| Commit message (Collapse) | Author | Age | Files | Lines |
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Use procctl(2) with PROC_ASLR_CTL to disable address space
randomization in the current gdb process before forking a child
process for a new inferior when address space randomization is
disabled.
gdb/ChangeLog:
* configure.ac: Check for <sys/procctl.h>.
* config.in, configure: Regenerate.
* fbsd-nat.c: Include <sys/procctl.h> if present.
[PROC_ASLR_CTL] (maybe_disable_address_space_randomization): New.
(fbsd_nat_target::create_inferior)
(fbsd_nat_target::supports_disable_randomization): New.
* fbsd-nat.h (fbsd_nat_target::create_inferior)
(fbsd_nat_target::supports_disable_randomization): New.
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gdb/ChangeLog:
* fbsd-nat.c (fbsd_lwp_debug_printf, fbsd_nat_debug_printf): New,
use throughout file.
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I noticed that all implementations return false, so
target_ops::follow_fork doesn't really need to return a value. Change
it to return void.
gdb/ChangeLog:
* target.h (struct target_ops) <follow_fork>: Return void.
(target_follow_fork): Likewise.
* target.c (default_follow_fork): Likewise.
(target_follow_fork): Likewise.
* infrun.c (follow_fork_inferior): Adjust.
* fbsd-nat.h (class fbsd_nat_target) <follow_fork>: Return void.
* fbsd-nat.c (fbsd_nat_target:::follow_fork): Likewise.
* linux-nat.h (class linux_nat_target) <follow_fork>: Likewise.
* linux-nat.c (linux_nat_target::follow_fork): Return void.
* obsd-nat.h (class obsd_nat_target) <follow_fork>: Return void.
* obsd-nat.c (obsd_nat_target::follow_fork): Likewise.
* remote.c (class remote_target) <follow_fork>: Likewise.
(remote_target::follow_fork): Likewise.
* target-delegates.c: Re-generate.
Change-Id: If908c2f68b29fa275be2b0b9deb41e4c6a1b7879
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This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
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Many spots incorrectly use only spaces for indentation (for example,
there are a lot of spots in ada-lang.c). I've always found it awkward
when I needed to edit one of these spots: do I keep the original wrong
indentation, or do I fix it? What if the lines around it are also
wrong, do I fix them too? I probably don't want to fix them in the same
patch, to avoid adding noise to my patch.
So I propose to fix as much as possible once and for all (hopefully).
One typical counter argument for this is that it makes code archeology
more difficult, because git-blame will show this commit as the last
change for these lines. My counter counter argument is: when
git-blaming, you often need to do "blame the file at the parent commit"
anyway, to go past some other refactor that touched the line you are
interested in, but is not the change you are looking for. So you
already need a somewhat efficient way to do this.
Using some interactive tool, rather than plain git-blame, makes this
trivial. For example, I use "tig blame <file>", where going back past
the commit that changed the currently selected line is one keystroke.
It looks like Magit in Emacs does it too (though I've never used it).
Web viewers of Github and Gitlab do it too. My point is that it won't
really make archeology more difficult.
The other typical counter argument is that it will cause conflicts with
existing patches. That's true... but it's a one time cost, and those
are not conflicts that are difficult to resolve. I have also tried "git
rebase --ignore-whitespace", it seems to work well. Although that will
re-introduce the faulty indentation, so one needs to take care of fixing
the indentation in the patch after that (which is easy).
gdb/ChangeLog:
* aarch64-linux-tdep.c: Fix indentation.
* aarch64-ravenscar-thread.c: Fix indentation.
* aarch64-tdep.c: Fix indentation.
* aarch64-tdep.h: Fix indentation.
* ada-lang.c: Fix indentation.
* ada-lang.h: Fix indentation.
* ada-tasks.c: Fix indentation.
* ada-typeprint.c: Fix indentation.
* ada-valprint.c: Fix indentation.
* ada-varobj.c: Fix indentation.
* addrmap.c: Fix indentation.
* addrmap.h: Fix indentation.
* agent.c: Fix indentation.
* aix-thread.c: Fix indentation.
* alpha-bsd-nat.c: Fix indentation.
* alpha-linux-tdep.c: Fix indentation.
* alpha-mdebug-tdep.c: Fix indentation.
* alpha-nbsd-tdep.c: Fix indentation.
* alpha-obsd-tdep.c: Fix indentation.
* alpha-tdep.c: Fix indentation.
* amd64-bsd-nat.c: Fix indentation.
* amd64-darwin-tdep.c: Fix indentation.
* amd64-linux-nat.c: Fix indentation.
* amd64-linux-tdep.c: Fix indentation.
* amd64-nat.c: Fix indentation.
* amd64-obsd-tdep.c: Fix indentation.
* amd64-tdep.c: Fix indentation.
* amd64-windows-tdep.c: Fix indentation.
* annotate.c: Fix indentation.
* arc-tdep.c: Fix indentation.
* arch-utils.c: Fix indentation.
* arch/arm-get-next-pcs.c: Fix indentation.
* arch/arm.c: Fix indentation.
* arm-linux-nat.c: Fix indentation.
* arm-linux-tdep.c: Fix indentation.
* arm-nbsd-tdep.c: Fix indentation.
* arm-pikeos-tdep.c: Fix indentation.
* arm-tdep.c: Fix indentation.
* arm-tdep.h: Fix indentation.
* arm-wince-tdep.c: Fix indentation.
* auto-load.c: Fix indentation.
* auxv.c: Fix indentation.
* avr-tdep.c: Fix indentation.
* ax-gdb.c: Fix indentation.
* ax-general.c: Fix indentation.
* bfin-linux-tdep.c: Fix indentation.
* block.c: Fix indentation.
* block.h: Fix indentation.
* blockframe.c: Fix indentation.
* bpf-tdep.c: Fix indentation.
* break-catch-sig.c: Fix indentation.
* break-catch-syscall.c: Fix indentation.
* break-catch-throw.c: Fix indentation.
* breakpoint.c: Fix indentation.
* breakpoint.h: Fix indentation.
* bsd-uthread.c: Fix indentation.
* btrace.c: Fix indentation.
* build-id.c: Fix indentation.
* buildsym-legacy.h: Fix indentation.
* buildsym.c: Fix indentation.
* c-typeprint.c: Fix indentation.
* c-valprint.c: Fix indentation.
* c-varobj.c: Fix indentation.
* charset.c: Fix indentation.
* cli/cli-cmds.c: Fix indentation.
* cli/cli-decode.c: Fix indentation.
* cli/cli-decode.h: Fix indentation.
* cli/cli-script.c: Fix indentation.
* cli/cli-setshow.c: Fix indentation.
* coff-pe-read.c: Fix indentation.
* coffread.c: Fix indentation.
* compile/compile-cplus-types.c: Fix indentation.
* compile/compile-object-load.c: Fix indentation.
* compile/compile-object-run.c: Fix indentation.
* completer.c: Fix indentation.
* corefile.c: Fix indentation.
* corelow.c: Fix indentation.
* cp-abi.h: Fix indentation.
* cp-namespace.c: Fix indentation.
* cp-support.c: Fix indentation.
* cp-valprint.c: Fix indentation.
* cris-linux-tdep.c: Fix indentation.
* cris-tdep.c: Fix indentation.
* darwin-nat-info.c: Fix indentation.
* darwin-nat.c: Fix indentation.
* darwin-nat.h: Fix indentation.
* dbxread.c: Fix indentation.
* dcache.c: Fix indentation.
* disasm.c: Fix indentation.
* dtrace-probe.c: Fix indentation.
* dwarf2/abbrev.c: Fix indentation.
* dwarf2/attribute.c: Fix indentation.
* dwarf2/expr.c: Fix indentation.
* dwarf2/frame.c: Fix indentation.
* dwarf2/index-cache.c: Fix indentation.
* dwarf2/index-write.c: Fix indentation.
* dwarf2/line-header.c: Fix indentation.
* dwarf2/loc.c: Fix indentation.
* dwarf2/macro.c: Fix indentation.
* dwarf2/read.c: Fix indentation.
* dwarf2/read.h: Fix indentation.
* elfread.c: Fix indentation.
* eval.c: Fix indentation.
* event-top.c: Fix indentation.
* exec.c: Fix indentation.
* exec.h: Fix indentation.
* expprint.c: Fix indentation.
* f-lang.c: Fix indentation.
* f-typeprint.c: Fix indentation.
* f-valprint.c: Fix indentation.
* fbsd-nat.c: Fix indentation.
* fbsd-tdep.c: Fix indentation.
* findvar.c: Fix indentation.
* fork-child.c: Fix indentation.
* frame-unwind.c: Fix indentation.
* frame-unwind.h: Fix indentation.
* frame.c: Fix indentation.
* frv-linux-tdep.c: Fix indentation.
* frv-tdep.c: Fix indentation.
* frv-tdep.h: Fix indentation.
* ft32-tdep.c: Fix indentation.
* gcore.c: Fix indentation.
* gdb_bfd.c: Fix indentation.
* gdbarch.sh: Fix indentation.
* gdbarch.c: Re-generate
* gdbarch.h: Re-generate.
* gdbcore.h: Fix indentation.
* gdbthread.h: Fix indentation.
* gdbtypes.c: Fix indentation.
* gdbtypes.h: Fix indentation.
* glibc-tdep.c: Fix indentation.
* gnu-nat.c: Fix indentation.
* gnu-nat.h: Fix indentation.
* gnu-v2-abi.c: Fix indentation.
* gnu-v3-abi.c: Fix indentation.
* go32-nat.c: Fix indentation.
* guile/guile-internal.h: Fix indentation.
* guile/scm-cmd.c: Fix indentation.
* guile/scm-frame.c: Fix indentation.
* guile/scm-iterator.c: Fix indentation.
* guile/scm-math.c: Fix indentation.
* guile/scm-ports.c: Fix indentation.
* guile/scm-pretty-print.c: Fix indentation.
* guile/scm-value.c: Fix indentation.
* h8300-tdep.c: Fix indentation.
* hppa-linux-nat.c: Fix indentation.
* hppa-linux-tdep.c: Fix indentation.
* hppa-nbsd-nat.c: Fix indentation.
* hppa-nbsd-tdep.c: Fix indentation.
* hppa-obsd-nat.c: Fix indentation.
* hppa-tdep.c: Fix indentation.
* hppa-tdep.h: Fix indentation.
* i386-bsd-nat.c: Fix indentation.
* i386-darwin-nat.c: Fix indentation.
* i386-darwin-tdep.c: Fix indentation.
* i386-dicos-tdep.c: Fix indentation.
* i386-gnu-nat.c: Fix indentation.
* i386-linux-nat.c: Fix indentation.
* i386-linux-tdep.c: Fix indentation.
* i386-nto-tdep.c: Fix indentation.
* i386-obsd-tdep.c: Fix indentation.
* i386-sol2-nat.c: Fix indentation.
* i386-tdep.c: Fix indentation.
* i386-tdep.h: Fix indentation.
* i386-windows-tdep.c: Fix indentation.
* i387-tdep.c: Fix indentation.
* i387-tdep.h: Fix indentation.
* ia64-libunwind-tdep.c: Fix indentation.
* ia64-libunwind-tdep.h: Fix indentation.
* ia64-linux-nat.c: Fix indentation.
* ia64-linux-tdep.c: Fix indentation.
* ia64-tdep.c: Fix indentation.
* ia64-tdep.h: Fix indentation.
* ia64-vms-tdep.c: Fix indentation.
* infcall.c: Fix indentation.
* infcmd.c: Fix indentation.
* inferior.c: Fix indentation.
* infrun.c: Fix indentation.
* iq2000-tdep.c: Fix indentation.
* language.c: Fix indentation.
* linespec.c: Fix indentation.
* linux-fork.c: Fix indentation.
* linux-nat.c: Fix indentation.
* linux-tdep.c: Fix indentation.
* linux-thread-db.c: Fix indentation.
* lm32-tdep.c: Fix indentation.
* m2-lang.c: Fix indentation.
* m2-typeprint.c: Fix indentation.
* m2-valprint.c: Fix indentation.
* m32c-tdep.c: Fix indentation.
* m32r-linux-tdep.c: Fix indentation.
* m32r-tdep.c: Fix indentation.
* m68hc11-tdep.c: Fix indentation.
* m68k-bsd-nat.c: Fix indentation.
* m68k-linux-nat.c: Fix indentation.
* m68k-linux-tdep.c: Fix indentation.
* m68k-tdep.c: Fix indentation.
* machoread.c: Fix indentation.
* macrocmd.c: Fix indentation.
* macroexp.c: Fix indentation.
* macroscope.c: Fix indentation.
* macrotab.c: Fix indentation.
* macrotab.h: Fix indentation.
* main.c: Fix indentation.
* mdebugread.c: Fix indentation.
* mep-tdep.c: Fix indentation.
* mi/mi-cmd-catch.c: Fix indentation.
* mi/mi-cmd-disas.c: Fix indentation.
* mi/mi-cmd-env.c: Fix indentation.
* mi/mi-cmd-stack.c: Fix indentation.
* mi/mi-cmd-var.c: Fix indentation.
* mi/mi-cmds.c: Fix indentation.
* mi/mi-main.c: Fix indentation.
* mi/mi-parse.c: Fix indentation.
* microblaze-tdep.c: Fix indentation.
* minidebug.c: Fix indentation.
* minsyms.c: Fix indentation.
* mips-linux-nat.c: Fix indentation.
* mips-linux-tdep.c: Fix indentation.
* mips-nbsd-tdep.c: Fix indentation.
* mips-tdep.c: Fix indentation.
* mn10300-linux-tdep.c: Fix indentation.
* mn10300-tdep.c: Fix indentation.
* moxie-tdep.c: Fix indentation.
* msp430-tdep.c: Fix indentation.
* namespace.h: Fix indentation.
* nat/fork-inferior.c: Fix indentation.
* nat/gdb_ptrace.h: Fix indentation.
* nat/linux-namespaces.c: Fix indentation.
* nat/linux-osdata.c: Fix indentation.
* nat/netbsd-nat.c: Fix indentation.
* nat/x86-dregs.c: Fix indentation.
* nbsd-nat.c: Fix indentation.
* nbsd-tdep.c: Fix indentation.
* nios2-linux-tdep.c: Fix indentation.
* nios2-tdep.c: Fix indentation.
* nto-procfs.c: Fix indentation.
* nto-tdep.c: Fix indentation.
* objfiles.c: Fix indentation.
* objfiles.h: Fix indentation.
* opencl-lang.c: Fix indentation.
* or1k-tdep.c: Fix indentation.
* osabi.c: Fix indentation.
* osabi.h: Fix indentation.
* osdata.c: Fix indentation.
* p-lang.c: Fix indentation.
* p-typeprint.c: Fix indentation.
* p-valprint.c: Fix indentation.
* parse.c: Fix indentation.
* ppc-linux-nat.c: Fix indentation.
* ppc-linux-tdep.c: Fix indentation.
* ppc-nbsd-nat.c: Fix indentation.
* ppc-nbsd-tdep.c: Fix indentation.
* ppc-obsd-nat.c: Fix indentation.
* ppc-ravenscar-thread.c: Fix indentation.
* ppc-sysv-tdep.c: Fix indentation.
* ppc64-tdep.c: Fix indentation.
* printcmd.c: Fix indentation.
* proc-api.c: Fix indentation.
* producer.c: Fix indentation.
* producer.h: Fix indentation.
* prologue-value.c: Fix indentation.
* prologue-value.h: Fix indentation.
* psymtab.c: Fix indentation.
* python/py-arch.c: Fix indentation.
* python/py-bpevent.c: Fix indentation.
* python/py-event.c: Fix indentation.
* python/py-event.h: Fix indentation.
* python/py-finishbreakpoint.c: Fix indentation.
* python/py-frame.c: Fix indentation.
* python/py-framefilter.c: Fix indentation.
* python/py-inferior.c: Fix indentation.
* python/py-infthread.c: Fix indentation.
* python/py-objfile.c: Fix indentation.
* python/py-prettyprint.c: Fix indentation.
* python/py-registers.c: Fix indentation.
* python/py-signalevent.c: Fix indentation.
* python/py-stopevent.c: Fix indentation.
* python/py-stopevent.h: Fix indentation.
* python/py-threadevent.c: Fix indentation.
* python/py-tui.c: Fix indentation.
* python/py-unwind.c: Fix indentation.
* python/py-value.c: Fix indentation.
* python/py-xmethods.c: Fix indentation.
* python/python-internal.h: Fix indentation.
* python/python.c: Fix indentation.
* ravenscar-thread.c: Fix indentation.
* record-btrace.c: Fix indentation.
* record-full.c: Fix indentation.
* record.c: Fix indentation.
* reggroups.c: Fix indentation.
* regset.h: Fix indentation.
* remote-fileio.c: Fix indentation.
* remote.c: Fix indentation.
* reverse.c: Fix indentation.
* riscv-linux-tdep.c: Fix indentation.
* riscv-ravenscar-thread.c: Fix indentation.
* riscv-tdep.c: Fix indentation.
* rl78-tdep.c: Fix indentation.
* rs6000-aix-tdep.c: Fix indentation.
* rs6000-lynx178-tdep.c: Fix indentation.
* rs6000-nat.c: Fix indentation.
* rs6000-tdep.c: Fix indentation.
* rust-lang.c: Fix indentation.
* rx-tdep.c: Fix indentation.
* s12z-tdep.c: Fix indentation.
* s390-linux-tdep.c: Fix indentation.
* score-tdep.c: Fix indentation.
* ser-base.c: Fix indentation.
* ser-mingw.c: Fix indentation.
* ser-uds.c: Fix indentation.
* ser-unix.c: Fix indentation.
* serial.c: Fix indentation.
* sh-linux-tdep.c: Fix indentation.
* sh-nbsd-tdep.c: Fix indentation.
* sh-tdep.c: Fix indentation.
* skip.c: Fix indentation.
* sol-thread.c: Fix indentation.
* solib-aix.c: Fix indentation.
* solib-darwin.c: Fix indentation.
* solib-frv.c: Fix indentation.
* solib-svr4.c: Fix indentation.
* solib.c: Fix indentation.
* source.c: Fix indentation.
* sparc-linux-tdep.c: Fix indentation.
* sparc-nbsd-tdep.c: Fix indentation.
* sparc-obsd-tdep.c: Fix indentation.
* sparc-ravenscar-thread.c: Fix indentation.
* sparc-tdep.c: Fix indentation.
* sparc64-linux-tdep.c: Fix indentation.
* sparc64-nbsd-tdep.c: Fix indentation.
* sparc64-obsd-tdep.c: Fix indentation.
* sparc64-tdep.c: Fix indentation.
* stabsread.c: Fix indentation.
* stack.c: Fix indentation.
* stap-probe.c: Fix indentation.
* stubs/ia64vms-stub.c: Fix indentation.
* stubs/m32r-stub.c: Fix indentation.
* stubs/m68k-stub.c: Fix indentation.
* stubs/sh-stub.c: Fix indentation.
* stubs/sparc-stub.c: Fix indentation.
* symfile-mem.c: Fix indentation.
* symfile.c: Fix indentation.
* symfile.h: Fix indentation.
* symmisc.c: Fix indentation.
* symtab.c: Fix indentation.
* symtab.h: Fix indentation.
* target-float.c: Fix indentation.
* target.c: Fix indentation.
* target.h: Fix indentation.
* tic6x-tdep.c: Fix indentation.
* tilegx-linux-tdep.c: Fix indentation.
* tilegx-tdep.c: Fix indentation.
* top.c: Fix indentation.
* tracefile-tfile.c: Fix indentation.
* tracepoint.c: Fix indentation.
* tui/tui-disasm.c: Fix indentation.
* tui/tui-io.c: Fix indentation.
* tui/tui-regs.c: Fix indentation.
* tui/tui-stack.c: Fix indentation.
* tui/tui-win.c: Fix indentation.
* tui/tui-winsource.c: Fix indentation.
* tui/tui.c: Fix indentation.
* typeprint.c: Fix indentation.
* ui-out.h: Fix indentation.
* unittests/copy_bitwise-selftests.c: Fix indentation.
* unittests/memory-map-selftests.c: Fix indentation.
* utils.c: Fix indentation.
* v850-tdep.c: Fix indentation.
* valarith.c: Fix indentation.
* valops.c: Fix indentation.
* valprint.c: Fix indentation.
* valprint.h: Fix indentation.
* value.c: Fix indentation.
* value.h: Fix indentation.
* varobj.c: Fix indentation.
* vax-tdep.c: Fix indentation.
* windows-nat.c: Fix indentation.
* windows-tdep.c: Fix indentation.
* xcoffread.c: Fix indentation.
* xml-syscall.c: Fix indentation.
* xml-tdesc.c: Fix indentation.
* xstormy16-tdep.c: Fix indentation.
* xtensa-config.c: Fix indentation.
* xtensa-linux-nat.c: Fix indentation.
* xtensa-linux-tdep.c: Fix indentation.
* xtensa-tdep.c: Fix indentation.
gdbserver/ChangeLog:
* ax.cc: Fix indentation.
* dll.cc: Fix indentation.
* inferiors.h: Fix indentation.
* linux-low.cc: Fix indentation.
* linux-nios2-low.cc: Fix indentation.
* linux-ppc-ipa.cc: Fix indentation.
* linux-ppc-low.cc: Fix indentation.
* linux-x86-low.cc: Fix indentation.
* linux-xtensa-low.cc: Fix indentation.
* regcache.cc: Fix indentation.
* server.cc: Fix indentation.
* tracepoint.cc: Fix indentation.
gdbsupport/ChangeLog:
* common-exceptions.h: Fix indentation.
* event-loop.cc: Fix indentation.
* fileio.cc: Fix indentation.
* filestuff.cc: Fix indentation.
* gdb-dlfcn.cc: Fix indentation.
* gdb_string_view.h: Fix indentation.
* job-control.cc: Fix indentation.
* signals.cc: Fix indentation.
Change-Id: I4bad7ae6be0fbe14168b8ebafb98ffe14964a695
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This changes TARGET_WNOHANG to be a member of an enum, rather than a
define, and also adds a DEF_ENUM_FLAGS_TYPE for this type. Then, it
changes target_wait and the various target wait methods to use this
type rather than "int".
This didn't catch any bugs, but it seems like a decent cleanup
nevertheless.
I did not change deprecated_target_wait_hook, since that's only used
out-of-tree (by Insight), and there didn't seem to be a need.
I can't build some of these targets, so I modified them on a
best-effort basis. I don't think this patch should go in before the
release branch is made.
gdb/ChangeLog
2020-09-18 Tom Tromey <tromey@adacore.com>
* windows-nat.c (struct windows_nat_target) <wait>: Update.
(windows_nat_target::wait): Update.
* target/wait.h (enum target_wait_flag): New. Use
DEF_ENUM_FLAGS_TYPE.
* target/target.h (target_wait): Change type of options.
* target.h (target_options_to_string, default_target_wait):
Update.
(struct target_ops) <wait>: Change type of options.
* target.c (target_wait, default_target_wait, do_option): Change
type of "options".
(target_options_to_string): Likewise.
* target-delegates.c: Rebuild.
* target-debug.h (target_debug_print_target_wait_flags): Rename
from target_debug_print_options.
* sol-thread.c (class sol_thread_target) <wait>: Update.
(sol_thread_target::wait): Update.
* rs6000-nat.c (class rs6000_nat_target) <wait>: Update.
(rs6000_nat_target::wait): Update.
* remote.c (class remote_target) <wait, wait_ns, wait_as>:
Update.
(remote_target::wait_ns, remote_target::wait_as): Change type of
"options".
(remote_target::wait): Update.
* remote-sim.c (struct gdbsim_target) <wait>: Update.
(gdbsim_target::wait): Update.
* record-full.c (class record_full_base_target) <wait>: Update.
(record_full_wait_1): Change type of "options".
(record_full_base_target::wait): Update.
* record-btrace.c (class record_btrace_target) <wait>: Update.
(record_btrace_target::wait): Update.
* ravenscar-thread.c (struct ravenscar_thread_target) <wait>:
Update.
(ravenscar_thread_target::wait): Update.
* procfs.c (class procfs_target) <wait>: Update.
(procfs_target::wait): Update.
* obsd-nat.h (class obsd_nat_target) <wait>: Update.
* obsd-nat.c (obsd_nat_target::wait): Update.
* nto-procfs.c (struct nto_procfs_target) <wait>: Update.
(nto_procfs_target::wait): Update.
* nbsd-nat.h (struct nbsd_nat_target) <wait>: Update.
* nbsd-nat.c (nbsd_wait): Change type of "options".
(nbsd_nat_target::wait): Update.
* linux-thread-db.c (class thread_db_target) <wait>: Update.
(thread_db_target::wait): Update.
* linux-nat.h (class linux_nat_target) <wait>: Update.
* linux-nat.c (linux_nat_target::wait): Update.
(linux_nat_wait_1): Update.
* infrun.c (do_target_wait_1, do_target_wait): Change type of
"options".
* inf-ptrace.h (struct inf_ptrace_target) <wait>: Update.
* inf-ptrace.c (inf_ptrace_target::wait): Update.
* go32-nat.c (struct go32_nat_target) <wait>: Update.
(go32_nat_target::wait): Update.
* gnu-nat.h (struct gnu_nat_target) <wait>: Update.
* gnu-nat.c (gnu_nat_target::wait): Update.
* fbsd-nat.h (class fbsd_nat_target) <wait>: Update.
* fbsd-nat.c (fbsd_nat_target::wait): Update.
* darwin-nat.h (class darwin_nat_target) <wait>: Update.
* darwin-nat.c (darwin_nat_target::wait): Update.
* bsd-uthread.c (struct bsd_uthread_target) <wait>: Update.
(bsd_uthread_target::wait): Update.
* aix-thread.c (class aix_thread_target) <wait>: Update.
(aix_thread_target::wait): Update.
gdbserver/ChangeLog
2020-09-18 Tom Tromey <tromey@adacore.com>
* netbsd-low.h (class netbsd_process_target) <wait>: Update.
* netbsd-low.cc (netbsd_waitpid, netbsd_wait)
(netbsd_process_target::wait): Change type of target_options.
* win32-low.h (class win32_process_target) <wait>: Update.
* win32-low.cc (win32_process_target::wait): Update.
* target.h (class process_stratum_target) <wait>: Update.
(mywait): Update.
* target.cc (mywait, target_wait): Change type of "options".
* linux-low.h (class linux_process_target) <wait, wait_1>:
Update.
* linux-low.cc (linux_process_target::wait)
(linux_process_target::wait_1): Update.
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FreeBSD kernels have reported exec events via the PL_FLAG_EXEC flag
since 8.2 release. The most recent release that did not support this
flag is 7.4 released in November of 2011.
Note that the FreeBSD native target already assumed that PL_FLAG_SCE
and PL_FLAG_SCX were always supported on systems supporting
PT_LWPINFO, but those flags were added at the same time as
PL_FLAG_EXEC. Building the native target on a system without
PL_FLAG_EXEC would have failed to build before this change already as
a result.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_nat_target::wait): Always check for
PL_FLAG_EXEC.
(fbsd_nat_target::insert_exec_catchpoint)
(fbsd_nat_target::remove_exec_catchpoint): Always define.
* fbsd-nat.h (fbsd_nat_target::insert_exec_catchpoint)
(fbsd_nat_target::remove_exec_catchpoint): Always declare.
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FreeBSD systems have provided these functions in libutil since 7.1
release. The most recent release without support is 6.4 released in
November of 2008.
This also requires libutil-freebsd on GNU/kFreeBSD systems. I assume
that those systems have supported kinfo_get_file and kinfo_get_vmmap
over a similar timeframe.
gdb/ChangeLog:
* configure.ac: Remove check for kinfo_getvmmap().
* configure, config.in: Regenerate.
* fbsd-nat.c (fbsd_read_mapping): Remove
(fbsd_nat_target::find_memory_regions): Remove the procfs version.
(fbsd_nat_target::info_proc): Assume kinfo_getfile() and
kinfo_get_vmmap() are always present.
gdbsupport/ChangeLog:
* common.m4 (GDB_AC_COMMON): Refactor checks for kinfo_getfile().
* configure, config.in: Regenerate.
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The current layout of siginfo_t and support for fetching it has been
included in FreeBSD kernels since 7.0 release. The most recent
release without support is 6.4 released in November of 2008.
gdb/ChangeLog:
* fbsd-nat.c: Always include support for
TARGET_OBJECT_SIGNAL_INFO.
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FreeBSD kernels have included this sysctl since 6.0 release. The most
recent release without support is 5.5 which was released in May of
2006.
Both the sysctl and the /proc/<pid>/exe file call the same function in
the kernel to obtain the path (vn_fullpath). If the sysctl fails, the
readlink call will also fail, so there is no need to keep the readlink
fallback.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_nat_target::pid_to_exec_file): Always use
sysctl and remove procfs fallback.
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FreeBSD kernels have included support for this since 5.0 release.
The most recent release without support is 4.11 which was released
in January of 2005.
gdb/ChangeLog:
* fbsd-nat.c: Assume PT_LWPINFO is always defined.
* fbsd-nat.h: Likewise.
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gdb/ChangeLog:
* fbsd-nat.h (fbsd_nat_target::supports_multi_process): New
declaration.
* fbsd-nat.c (fbsd_nat_target::supports_multi_process): New
function.
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The argument is passed as a generic cookie value to the supplied
callback and is not necessarily a pointer to a bfd.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_nat_target::find_memory_regions): Rename 'obfd'
argument to 'data'.
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Change parameters and return value of the various follow_fork
functions/methods from int to bool.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_nat_target::follow_fork): Change bool to int.
* fbsd-nat.h (class fbsd_nat_target) <follow_fork>: Likewise.
* inf-ptrace.c (inf_ptrace_target::follow_fork): Likewise.
* inf-ptrace.h (struct inf_ptrace_target) <follow_fork>: Likewise.
* infrun.c (follow_fork): Likewise.
(follow_fork_inferior): Likewise.
* linux-nat.c (linux_nat_target::follow_fork): Likewise.
* linux-nat.h (class linux_nat_target): Likewise.
* remote.c (class remote_target) <follow_fork>: Likewise.
(remote_target::follow_fork): Likewise.
* target-delegates.c: Re-generate.
* target.c (default_follow_fork): Likewise.
(target_follow_fork): Likewise.
* target.h (struct target_ops) <follow_fork>: Likewise.
(target_follow_fork): Likewise.
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I'd like to enable the -Wmissing-declarations warning. However, it
warns for every _initialize function, for example:
CXX dcache.o
/home/smarchi/src/binutils-gdb/gdb/dcache.c: In function ‘void _initialize_dcache()’:
/home/smarchi/src/binutils-gdb/gdb/dcache.c:688:1: error: no previous declaration for ‘void _initialize_dcache()’ [-Werror=missing-declarations]
_initialize_dcache (void)
^~~~~~~~~~~~~~~~~~
The only practical way forward I found is to add back the declarations,
which were removed by this commit:
commit 481695ed5f6e0a8a9c9c50bfac1cdd2b3151e6c9
Author: John Baldwin <jhb@FreeBSD.org>
Date: Sat Sep 9 11:02:37 2017 -0700
Remove unnecessary function prototypes.
I don't think it's a big problem to have the declarations for these
functions, but if anybody has a better solution for this, I'll be happy
to use it.
gdb/ChangeLog:
* aarch64-fbsd-nat.c (_initialize_aarch64_fbsd_nat): Add declaration.
* aarch64-fbsd-tdep.c (_initialize_aarch64_fbsd_tdep): Add declaration.
* aarch64-linux-nat.c (_initialize_aarch64_linux_nat): Add declaration.
* aarch64-linux-tdep.c (_initialize_aarch64_linux_tdep): Add declaration.
* aarch64-newlib-tdep.c (_initialize_aarch64_newlib_tdep): Add declaration.
* aarch64-tdep.c (_initialize_aarch64_tdep): Add declaration.
* ada-exp.y (_initialize_ada_exp): Add declaration.
* ada-lang.c (_initialize_ada_language): Add declaration.
* ada-tasks.c (_initialize_tasks): Add declaration.
* agent.c (_initialize_agent): Add declaration.
* aix-thread.c (_initialize_aix_thread): Add declaration.
* alpha-bsd-nat.c (_initialize_alphabsd_nat): Add declaration.
* alpha-linux-nat.c (_initialize_alpha_linux_nat): Add declaration.
* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Add declaration.
* alpha-nbsd-tdep.c (_initialize_alphanbsd_tdep): Add declaration.
* alpha-obsd-tdep.c (_initialize_alphaobsd_tdep): Add declaration.
* alpha-tdep.c (_initialize_alpha_tdep): Add declaration.
* amd64-darwin-tdep.c (_initialize_amd64_darwin_tdep): Add declaration.
* amd64-dicos-tdep.c (_initialize_amd64_dicos_tdep): Add declaration.
* amd64-fbsd-nat.c (_initialize_amd64fbsd_nat): Add declaration.
* amd64-fbsd-tdep.c (_initialize_amd64fbsd_tdep): Add declaration.
* amd64-linux-nat.c (_initialize_amd64_linux_nat): Add declaration.
* amd64-linux-tdep.c (_initialize_amd64_linux_tdep): Add declaration.
* amd64-nbsd-nat.c (_initialize_amd64nbsd_nat): Add declaration.
* amd64-nbsd-tdep.c (_initialize_amd64nbsd_tdep): Add declaration.
* amd64-obsd-nat.c (_initialize_amd64obsd_nat): Add declaration.
* amd64-obsd-tdep.c (_initialize_amd64obsd_tdep): Add declaration.
* amd64-sol2-tdep.c (_initialize_amd64_sol2_tdep): Add declaration.
* amd64-tdep.c (_initialize_amd64_tdep): Add declaration.
* amd64-windows-nat.c (_initialize_amd64_windows_nat): Add declaration.
* amd64-windows-tdep.c (_initialize_amd64_windows_tdep): Add declaration.
* annotate.c (_initialize_annotate): Add declaration.
* arc-newlib-tdep.c (_initialize_arc_newlib_tdep): Add declaration.
* arc-tdep.c (_initialize_arc_tdep): Add declaration.
* arch-utils.c (_initialize_gdbarch_utils): Add declaration.
* arm-fbsd-nat.c (_initialize_arm_fbsd_nat): Add declaration.
* arm-fbsd-tdep.c (_initialize_arm_fbsd_tdep): Add declaration.
* arm-linux-nat.c (_initialize_arm_linux_nat): Add declaration.
* arm-linux-tdep.c (_initialize_arm_linux_tdep): Add declaration.
* arm-nbsd-nat.c (_initialize_arm_netbsd_nat): Add declaration.
* arm-nbsd-tdep.c (_initialize_arm_netbsd_tdep): Add declaration.
* arm-obsd-tdep.c (_initialize_armobsd_tdep): Add declaration.
* arm-pikeos-tdep.c (_initialize_arm_pikeos_tdep): Add declaration.
* arm-symbian-tdep.c (_initialize_arm_symbian_tdep): Add declaration.
* arm-tdep.c (_initialize_arm_tdep): Add declaration.
* arm-wince-tdep.c (_initialize_arm_wince_tdep): Add declaration.
* auto-load.c (_initialize_auto_load): Add declaration.
* auxv.c (_initialize_auxv): Add declaration.
* avr-tdep.c (_initialize_avr_tdep): Add declaration.
* ax-gdb.c (_initialize_ax_gdb): Add declaration.
* bfin-linux-tdep.c (_initialize_bfin_linux_tdep): Add declaration.
* bfin-tdep.c (_initialize_bfin_tdep): Add declaration.
* break-catch-sig.c (_initialize_break_catch_sig): Add declaration.
* break-catch-syscall.c (_initialize_break_catch_syscall): Add declaration.
* break-catch-throw.c (_initialize_break_catch_throw): Add declaration.
* breakpoint.c (_initialize_breakpoint): Add declaration.
* bsd-uthread.c (_initialize_bsd_uthread): Add declaration.
* btrace.c (_initialize_btrace): Add declaration.
* charset.c (_initialize_charset): Add declaration.
* cli/cli-cmds.c (_initialize_cli_cmds): Add declaration.
* cli/cli-dump.c (_initialize_cli_dump): Add declaration.
* cli/cli-interp.c (_initialize_cli_interp): Add declaration.
* cli/cli-logging.c (_initialize_cli_logging): Add declaration.
* cli/cli-script.c (_initialize_cli_script): Add declaration.
* cli/cli-style.c (_initialize_cli_style): Add declaration.
* coff-pe-read.c (_initialize_coff_pe_read): Add declaration.
* coffread.c (_initialize_coffread): Add declaration.
* compile/compile-cplus-types.c (_initialize_compile_cplus_types): Add declaration.
* compile/compile.c (_initialize_compile): Add declaration.
* complaints.c (_initialize_complaints): Add declaration.
* completer.c (_initialize_completer): Add declaration.
* copying.c (_initialize_copying): Add declaration.
* corefile.c (_initialize_core): Add declaration.
* corelow.c (_initialize_corelow): Add declaration.
* cp-abi.c (_initialize_cp_abi): Add declaration.
* cp-namespace.c (_initialize_cp_namespace): Add declaration.
* cp-support.c (_initialize_cp_support): Add declaration.
* cp-valprint.c (_initialize_cp_valprint): Add declaration.
* cris-linux-tdep.c (_initialize_cris_linux_tdep): Add declaration.
* cris-tdep.c (_initialize_cris_tdep): Add declaration.
* csky-linux-tdep.c (_initialize_csky_linux_tdep): Add declaration.
* csky-tdep.c (_initialize_csky_tdep): Add declaration.
* ctfread.c (_initialize_ctfread): Add declaration.
* d-lang.c (_initialize_d_language): Add declaration.
* darwin-nat-info.c (_initialize_darwin_info_commands): Add declaration.
* darwin-nat.c (_initialize_darwin_nat): Add declaration.
* dbxread.c (_initialize_dbxread): Add declaration.
* dcache.c (_initialize_dcache): Add declaration.
* disasm-selftests.c (_initialize_disasm_selftests): Add declaration.
* disasm.c (_initialize_disasm): Add declaration.
* dtrace-probe.c (_initialize_dtrace_probe): Add declaration.
* dummy-frame.c (_initialize_dummy_frame): Add declaration.
* dwarf-index-cache.c (_initialize_index_cache): Add declaration.
* dwarf-index-write.c (_initialize_dwarf_index_write): Add declaration.
* dwarf2-frame-tailcall.c (_initialize_tailcall_frame): Add declaration.
* dwarf2-frame.c (_initialize_dwarf2_frame): Add declaration.
* dwarf2expr.c (_initialize_dwarf2expr): Add declaration.
* dwarf2loc.c (_initialize_dwarf2loc): Add declaration.
* dwarf2read.c (_initialize_dwarf2_read): Add declaration.
* elfread.c (_initialize_elfread): Add declaration.
* exec.c (_initialize_exec): Add declaration.
* extension.c (_initialize_extension): Add declaration.
* f-lang.c (_initialize_f_language): Add declaration.
* f-valprint.c (_initialize_f_valprint): Add declaration.
* fbsd-nat.c (_initialize_fbsd_nat): Add declaration.
* fbsd-tdep.c (_initialize_fbsd_tdep): Add declaration.
* filesystem.c (_initialize_filesystem): Add declaration.
* findcmd.c (_initialize_mem_search): Add declaration.
* findvar.c (_initialize_findvar): Add declaration.
* fork-child.c (_initialize_fork_child): Add declaration.
* frame-base.c (_initialize_frame_base): Add declaration.
* frame-unwind.c (_initialize_frame_unwind): Add declaration.
* frame.c (_initialize_frame): Add declaration.
* frv-linux-tdep.c (_initialize_frv_linux_tdep): Add declaration.
* frv-tdep.c (_initialize_frv_tdep): Add declaration.
* ft32-tdep.c (_initialize_ft32_tdep): Add declaration.
* gcore.c (_initialize_gcore): Add declaration.
* gdb-demangle.c (_initialize_gdb_demangle): Add declaration.
* gdb_bfd.c (_initialize_gdb_bfd): Add declaration.
* gdbarch-selftests.c (_initialize_gdbarch_selftests): Add declaration.
* gdbarch.c (_initialize_gdbarch): Add declaration.
* gdbtypes.c (_initialize_gdbtypes): Add declaration.
* gnu-nat.c (_initialize_gnu_nat): Add declaration.
* gnu-v2-abi.c (_initialize_gnu_v2_abi): Add declaration.
* gnu-v3-abi.c (_initialize_gnu_v3_abi): Add declaration.
* go-lang.c (_initialize_go_language): Add declaration.
* go32-nat.c (_initialize_go32_nat): Add declaration.
* guile/guile.c (_initialize_guile): Add declaration.
* h8300-tdep.c (_initialize_h8300_tdep): Add declaration.
* hppa-linux-nat.c (_initialize_hppa_linux_nat): Add declaration.
* hppa-linux-tdep.c (_initialize_hppa_linux_tdep): Add declaration.
* hppa-nbsd-nat.c (_initialize_hppanbsd_nat): Add declaration.
* hppa-nbsd-tdep.c (_initialize_hppanbsd_tdep): Add declaration.
* hppa-obsd-nat.c (_initialize_hppaobsd_nat): Add declaration.
* hppa-obsd-tdep.c (_initialize_hppabsd_tdep): Add declaration.
* hppa-tdep.c (_initialize_hppa_tdep): Add declaration.
* i386-bsd-nat.c (_initialize_i386bsd_nat): Add declaration.
* i386-cygwin-tdep.c (_initialize_i386_cygwin_tdep): Add declaration.
* i386-darwin-nat.c (_initialize_i386_darwin_nat): Add declaration.
* i386-darwin-tdep.c (_initialize_i386_darwin_tdep): Add declaration.
* i386-dicos-tdep.c (_initialize_i386_dicos_tdep): Add declaration.
* i386-fbsd-nat.c (_initialize_i386fbsd_nat): Add declaration.
* i386-fbsd-tdep.c (_initialize_i386fbsd_tdep): Add declaration.
* i386-gnu-nat.c (_initialize_i386gnu_nat): Add declaration.
* i386-gnu-tdep.c (_initialize_i386gnu_tdep): Add declaration.
* i386-go32-tdep.c (_initialize_i386_go32_tdep): Add declaration.
* i386-linux-nat.c (_initialize_i386_linux_nat): Add declaration.
* i386-linux-tdep.c (_initialize_i386_linux_tdep): Add declaration.
* i386-nbsd-nat.c (_initialize_i386nbsd_nat): Add declaration.
* i386-nbsd-tdep.c (_initialize_i386nbsd_tdep): Add declaration.
* i386-nto-tdep.c (_initialize_i386nto_tdep): Add declaration.
* i386-obsd-nat.c (_initialize_i386obsd_nat): Add declaration.
* i386-obsd-tdep.c (_initialize_i386obsd_tdep): Add declaration.
* i386-sol2-nat.c (_initialize_amd64_sol2_nat): Add declaration.
* i386-sol2-tdep.c (_initialize_i386_sol2_tdep): Add declaration.
* i386-tdep.c (_initialize_i386_tdep): Add declaration.
* i386-windows-nat.c (_initialize_i386_windows_nat): Add declaration.
* ia64-libunwind-tdep.c (_initialize_libunwind_frame): Add declaration.
* ia64-linux-nat.c (_initialize_ia64_linux_nat): Add declaration.
* ia64-linux-tdep.c (_initialize_ia64_linux_tdep): Add declaration.
* ia64-tdep.c (_initialize_ia64_tdep): Add declaration.
* ia64-vms-tdep.c (_initialize_ia64_vms_tdep): Add declaration.
* infcall.c (_initialize_infcall): Add declaration.
* infcmd.c (_initialize_infcmd): Add declaration.
* inflow.c (_initialize_inflow): Add declaration.
* infrun.c (_initialize_infrun): Add declaration.
* interps.c (_initialize_interpreter): Add declaration.
* iq2000-tdep.c (_initialize_iq2000_tdep): Add declaration.
* jit.c (_initialize_jit): Add declaration.
* language.c (_initialize_language): Add declaration.
* linux-fork.c (_initialize_linux_fork): Add declaration.
* linux-nat.c (_initialize_linux_nat): Add declaration.
* linux-tdep.c (_initialize_linux_tdep): Add declaration.
* linux-thread-db.c (_initialize_thread_db): Add declaration.
* lm32-tdep.c (_initialize_lm32_tdep): Add declaration.
* m2-lang.c (_initialize_m2_language): Add declaration.
* m32c-tdep.c (_initialize_m32c_tdep): Add declaration.
* m32r-linux-nat.c (_initialize_m32r_linux_nat): Add declaration.
* m32r-linux-tdep.c (_initialize_m32r_linux_tdep): Add declaration.
* m32r-tdep.c (_initialize_m32r_tdep): Add declaration.
* m68hc11-tdep.c (_initialize_m68hc11_tdep): Add declaration.
* m68k-bsd-nat.c (_initialize_m68kbsd_nat): Add declaration.
* m68k-bsd-tdep.c (_initialize_m68kbsd_tdep): Add declaration.
* m68k-linux-nat.c (_initialize_m68k_linux_nat): Add declaration.
* m68k-linux-tdep.c (_initialize_m68k_linux_tdep): Add declaration.
* m68k-tdep.c (_initialize_m68k_tdep): Add declaration.
* machoread.c (_initialize_machoread): Add declaration.
* macrocmd.c (_initialize_macrocmd): Add declaration.
* macroscope.c (_initialize_macroscope): Add declaration.
* maint-test-options.c (_initialize_maint_test_options): Add declaration.
* maint-test-settings.c (_initialize_maint_test_settings): Add declaration.
* maint.c (_initialize_maint_cmds): Add declaration.
* mdebugread.c (_initialize_mdebugread): Add declaration.
* memattr.c (_initialize_mem): Add declaration.
* mep-tdep.c (_initialize_mep_tdep): Add declaration.
* mi/mi-cmd-env.c (_initialize_mi_cmd_env): Add declaration.
* mi/mi-cmds.c (_initialize_mi_cmds): Add declaration.
* mi/mi-interp.c (_initialize_mi_interp): Add declaration.
* mi/mi-main.c (_initialize_mi_main): Add declaration.
* microblaze-linux-tdep.c (_initialize_microblaze_linux_tdep): Add declaration.
* microblaze-tdep.c (_initialize_microblaze_tdep): Add declaration.
* mips-fbsd-nat.c (_initialize_mips_fbsd_nat): Add declaration.
* mips-fbsd-tdep.c (_initialize_mips_fbsd_tdep): Add declaration.
* mips-linux-nat.c (_initialize_mips_linux_nat): Add declaration.
* mips-linux-tdep.c (_initialize_mips_linux_tdep): Add declaration.
* mips-nbsd-nat.c (_initialize_mipsnbsd_nat): Add declaration.
* mips-nbsd-tdep.c (_initialize_mipsnbsd_tdep): Add declaration.
* mips-sde-tdep.c (_initialize_mips_sde_tdep): Add declaration.
* mips-tdep.c (_initialize_mips_tdep): Add declaration.
* mips64-obsd-nat.c (_initialize_mips64obsd_nat): Add declaration.
* mips64-obsd-tdep.c (_initialize_mips64obsd_tdep): Add declaration.
* mipsread.c (_initialize_mipsread): Add declaration.
* mn10300-linux-tdep.c (_initialize_mn10300_linux_tdep): Add declaration.
* mn10300-tdep.c (_initialize_mn10300_tdep): Add declaration.
* moxie-tdep.c (_initialize_moxie_tdep): Add declaration.
* msp430-tdep.c (_initialize_msp430_tdep): Add declaration.
* nds32-tdep.c (_initialize_nds32_tdep): Add declaration.
* nios2-linux-tdep.c (_initialize_nios2_linux_tdep): Add declaration.
* nios2-tdep.c (_initialize_nios2_tdep): Add declaration.
* nto-procfs.c (_initialize_procfs): Add declaration.
* objc-lang.c (_initialize_objc_language): Add declaration.
* observable.c (_initialize_observer): Add declaration.
* opencl-lang.c (_initialize_opencl_language): Add declaration.
* or1k-linux-tdep.c (_initialize_or1k_linux_tdep): Add declaration.
* or1k-tdep.c (_initialize_or1k_tdep): Add declaration.
* osabi.c (_initialize_gdb_osabi): Add declaration.
* osdata.c (_initialize_osdata): Add declaration.
* p-valprint.c (_initialize_pascal_valprint): Add declaration.
* parse.c (_initialize_parse): Add declaration.
* ppc-fbsd-nat.c (_initialize_ppcfbsd_nat): Add declaration.
* ppc-fbsd-tdep.c (_initialize_ppcfbsd_tdep): Add declaration.
* ppc-linux-nat.c (_initialize_ppc_linux_nat): Add declaration.
* ppc-linux-tdep.c (_initialize_ppc_linux_tdep): Add declaration.
* ppc-nbsd-nat.c (_initialize_ppcnbsd_nat): Add declaration.
* ppc-nbsd-tdep.c (_initialize_ppcnbsd_tdep): Add declaration.
* ppc-obsd-nat.c (_initialize_ppcobsd_nat): Add declaration.
* ppc-obsd-tdep.c (_initialize_ppcobsd_tdep): Add declaration.
* printcmd.c (_initialize_printcmd): Add declaration.
* probe.c (_initialize_probe): Add declaration.
* proc-api.c (_initialize_proc_api): Add declaration.
* proc-events.c (_initialize_proc_events): Add declaration.
* proc-service.c (_initialize_proc_service): Add declaration.
* procfs.c (_initialize_procfs): Add declaration.
* producer.c (_initialize_producer): Add declaration.
* psymtab.c (_initialize_psymtab): Add declaration.
* python/python.c (_initialize_python): Add declaration.
* ravenscar-thread.c (_initialize_ravenscar): Add declaration.
* record-btrace.c (_initialize_record_btrace): Add declaration.
* record-full.c (_initialize_record_full): Add declaration.
* record.c (_initialize_record): Add declaration.
* regcache-dump.c (_initialize_regcache_dump): Add declaration.
* regcache.c (_initialize_regcache): Add declaration.
* reggroups.c (_initialize_reggroup): Add declaration.
* remote-notif.c (_initialize_notif): Add declaration.
* remote-sim.c (_initialize_remote_sim): Add declaration.
* remote.c (_initialize_remote): Add declaration.
* reverse.c (_initialize_reverse): Add declaration.
* riscv-fbsd-nat.c (_initialize_riscv_fbsd_nat): Add declaration.
* riscv-fbsd-tdep.c (_initialize_riscv_fbsd_tdep): Add declaration.
* riscv-linux-nat.c (_initialize_riscv_linux_nat): Add declaration.
* riscv-linux-tdep.c (_initialize_riscv_linux_tdep): Add declaration.
* riscv-tdep.c (_initialize_riscv_tdep): Add declaration.
* rl78-tdep.c (_initialize_rl78_tdep): Add declaration.
* rs6000-aix-tdep.c (_initialize_rs6000_aix_tdep): Add declaration.
* rs6000-lynx178-tdep.c (_initialize_rs6000_lynx178_tdep):
Add declaration.
* rs6000-nat.c (_initialize_rs6000_nat): Add declaration.
* rs6000-tdep.c (_initialize_rs6000_tdep): Add declaration.
* run-on-main-thread.c (_initialize_run_on_main_thread): Add declaration.
* rust-exp.y (_initialize_rust_exp): Add declaration.
* rx-tdep.c (_initialize_rx_tdep): Add declaration.
* s12z-tdep.c (_initialize_s12z_tdep): Add declaration.
* s390-linux-nat.c (_initialize_s390_nat): Add declaration.
* s390-linux-tdep.c (_initialize_s390_linux_tdep): Add declaration.
* s390-tdep.c (_initialize_s390_tdep): Add declaration.
* score-tdep.c (_initialize_score_tdep): Add declaration.
* ser-go32.c (_initialize_ser_dos): Add declaration.
* ser-mingw.c (_initialize_ser_windows): Add declaration.
* ser-pipe.c (_initialize_ser_pipe): Add declaration.
* ser-tcp.c (_initialize_ser_tcp): Add declaration.
* ser-uds.c (_initialize_ser_socket): Add declaration.
* ser-unix.c (_initialize_ser_hardwire): Add declaration.
* serial.c (_initialize_serial): Add declaration.
* sh-linux-tdep.c (_initialize_sh_linux_tdep): Add declaration.
* sh-nbsd-nat.c (_initialize_shnbsd_nat): Add declaration.
* sh-nbsd-tdep.c (_initialize_shnbsd_tdep): Add declaration.
* sh-tdep.c (_initialize_sh_tdep): Add declaration.
* skip.c (_initialize_step_skip): Add declaration.
* sol-thread.c (_initialize_sol_thread): Add declaration.
* solib-aix.c (_initialize_solib_aix): Add declaration.
* solib-darwin.c (_initialize_darwin_solib): Add declaration.
* solib-dsbt.c (_initialize_dsbt_solib): Add declaration.
* solib-frv.c (_initialize_frv_solib): Add declaration.
* solib-svr4.c (_initialize_svr4_solib): Add declaration.
* solib-target.c (_initialize_solib_target): Add declaration.
* solib.c (_initialize_solib): Add declaration.
* source-cache.c (_initialize_source_cache): Add declaration.
* source.c (_initialize_source): Add declaration.
* sparc-linux-nat.c (_initialize_sparc_linux_nat): Add declaration.
* sparc-linux-tdep.c (_initialize_sparc_linux_tdep): Add declaration.
* sparc-nat.c (_initialize_sparc_nat): Add declaration.
* sparc-nbsd-nat.c (_initialize_sparcnbsd_nat): Add declaration.
* sparc-nbsd-tdep.c (_initialize_sparcnbsd_tdep): Add declaration.
* sparc-obsd-tdep.c (_initialize_sparc32obsd_tdep): Add declaration.
* sparc-sol2-tdep.c (_initialize_sparc_sol2_tdep): Add declaration.
* sparc-tdep.c (_initialize_sparc_tdep): Add declaration.
* sparc64-fbsd-nat.c (_initialize_sparc64fbsd_nat): Add declaration.
* sparc64-fbsd-tdep.c (_initialize_sparc64fbsd_tdep): Add declaration.
* sparc64-linux-nat.c (_initialize_sparc64_linux_nat): Add declaration.
* sparc64-linux-tdep.c (_initialize_sparc64_linux_tdep): Add declaration.
* sparc64-nat.c (_initialize_sparc64_nat): Add declaration.
* sparc64-nbsd-nat.c (_initialize_sparc64nbsd_nat): Add declaration.
* sparc64-nbsd-tdep.c (_initialize_sparc64nbsd_tdep): Add declaration.
* sparc64-obsd-nat.c (_initialize_sparc64obsd_nat): Add declaration.
* sparc64-obsd-tdep.c (_initialize_sparc64obsd_tdep): Add declaration.
* sparc64-sol2-tdep.c (_initialize_sparc64_sol2_tdep): Add declaration.
* sparc64-tdep.c (_initialize_sparc64_adi_tdep): Add declaration.
* stabsread.c (_initialize_stabsread): Add declaration.
* stack.c (_initialize_stack): Add declaration.
* stap-probe.c (_initialize_stap_probe): Add declaration.
* std-regs.c (_initialize_frame_reg): Add declaration.
* symfile-debug.c (_initialize_symfile_debug): Add declaration.
* symfile-mem.c (_initialize_symfile_mem): Add declaration.
* symfile.c (_initialize_symfile): Add declaration.
* symmisc.c (_initialize_symmisc): Add declaration.
* symtab.c (_initialize_symtab): Add declaration.
* target.c (_initialize_target): Add declaration.
* target-connection.c (_initialize_target_connection): Add
declaration.
* target-dcache.c (_initialize_target_dcache): Add declaration.
* target-descriptions.c (_initialize_target_descriptions): Add declaration.
* thread.c (_initialize_thread): Add declaration.
* tic6x-linux-tdep.c (_initialize_tic6x_linux_tdep): Add declaration.
* tic6x-tdep.c (_initialize_tic6x_tdep): Add declaration.
* tilegx-linux-nat.c (_initialize_tile_linux_nat): Add declaration.
* tilegx-linux-tdep.c (_initialize_tilegx_linux_tdep): Add declaration.
* tilegx-tdep.c (_initialize_tilegx_tdep): Add declaration.
* tracectf.c (_initialize_ctf): Add declaration.
* tracefile-tfile.c (_initialize_tracefile_tfile): Add declaration.
* tracefile.c (_initialize_tracefile): Add declaration.
* tracepoint.c (_initialize_tracepoint): Add declaration.
* tui/tui-hooks.c (_initialize_tui_hooks): Add declaration.
* tui/tui-interp.c (_initialize_tui_interp): Add declaration.
* tui/tui-layout.c (_initialize_tui_layout): Add declaration.
* tui/tui-regs.c (_initialize_tui_regs): Add declaration.
* tui/tui-stack.c (_initialize_tui_stack): Add declaration.
* tui/tui-win.c (_initialize_tui_win): Add declaration.
* tui/tui.c (_initialize_tui): Add declaration.
* typeprint.c (_initialize_typeprint): Add declaration.
* ui-style.c (_initialize_ui_style): Add declaration.
* unittests/array-view-selftests.c (_initialize_array_view_selftests): Add declaration.
* unittests/child-path-selftests.c (_initialize_child_path_selftests): Add declaration.
* unittests/cli-utils-selftests.c (_initialize_cli_utils_selftests): Add declaration.
* unittests/common-utils-selftests.c (_initialize_common_utils_selftests): Add declaration.
* unittests/copy_bitwise-selftests.c (_initialize_copy_bitwise_utils_selftests): Add declaration.
* unittests/environ-selftests.c (_initialize_environ_selftests): Add declaration.
* unittests/filtered_iterator-selftests.c
(_initialize_filtered_iterator_selftests): Add declaration.
* unittests/format_pieces-selftests.c (_initialize_format_pieces_selftests): Add declaration.
* unittests/function-view-selftests.c (_initialize_function_view_selftests): Add declaration.
* unittests/help-doc-selftests.c (_initialize_help_doc_selftests): Add declaration.
* unittests/lookup_name_info-selftests.c (_initialize_lookup_name_info_selftests): Add declaration.
* unittests/main-thread-selftests.c
(_initialize_main_thread_selftests): Add declaration.
* unittests/memory-map-selftests.c (_initialize_memory_map_selftests): Add declaration.
* unittests/memrange-selftests.c (_initialize_memrange_selftests): Add declaration.
* unittests/mkdir-recursive-selftests.c (_initialize_mkdir_recursive_selftests): Add declaration.
* unittests/observable-selftests.c (_initialize_observer_selftest): Add declaration.
* unittests/offset-type-selftests.c (_initialize_offset_type_selftests): Add declaration.
* unittests/optional-selftests.c (_initialize_optional_selftests): Add declaration.
* unittests/parse-connection-spec-selftests.c (_initialize_parse_connection_spec_selftests): Add declaration.
* unittests/rsp-low-selftests.c (_initialize_rsp_low_selftests): Add declaration.
* unittests/scoped_fd-selftests.c (_initialize_scoped_fd_selftests): Add declaration.
* unittests/scoped_mmap-selftests.c (_initialize_scoped_mmap_selftests): Add declaration.
* unittests/scoped_restore-selftests.c (_initialize_scoped_restore_selftests): Add declaration.
* unittests/string_view-selftests.c (_initialize_string_view_selftests): Add declaration.
* unittests/style-selftests.c (_initialize_style_selftest): Add declaration.
* unittests/tracepoint-selftests.c (_initialize_tracepoint_selftests): Add declaration.
* unittests/tui-selftests.c (_initialize_tui_selftest): Add
declaration.
* unittests/unpack-selftests.c (_initialize_unpack_selftests): Add declaration.
* unittests/utils-selftests.c (_initialize_utils_selftests): Add declaration.
* unittests/vec-utils-selftests.c (_initialize_vec_utils_selftests): Add declaration.
* unittests/xml-utils-selftests.c (_initialize_xml_utils): Add declaration.
* user-regs.c (_initialize_user_regs): Add declaration.
* utils.c (_initialize_utils): Add declaration.
* v850-tdep.c (_initialize_v850_tdep): Add declaration.
* valops.c (_initialize_valops): Add declaration.
* valprint.c (_initialize_valprint): Add declaration.
* value.c (_initialize_values): Add declaration.
* varobj.c (_initialize_varobj): Add declaration.
* vax-bsd-nat.c (_initialize_vaxbsd_nat): Add declaration.
* vax-nbsd-tdep.c (_initialize_vaxnbsd_tdep): Add declaration.
* vax-tdep.c (_initialize_vax_tdep): Add declaration.
* windows-nat.c (_initialize_windows_nat): Add declaration.
(_initialize_check_for_gdb_ini): Add declaration.
(_initialize_loadable): Add declaration.
* windows-tdep.c (_initialize_windows_tdep): Add declaration.
* x86-bsd-nat.c (_initialize_x86_bsd_nat): Add declaration.
* x86-linux-nat.c (_initialize_x86_linux_nat): Add declaration.
* xcoffread.c (_initialize_xcoffread): Add declaration.
* xml-support.c (_initialize_xml_support): Add declaration.
* xstormy16-tdep.c (_initialize_xstormy16_tdep): Add declaration.
* xtensa-linux-nat.c (_initialize_xtensa_linux_nat): Add declaration.
* xtensa-linux-tdep.c (_initialize_xtensa_linux_tdep): Add declaration.
* xtensa-tdep.c (_initialize_xtensa_tdep): Add declaration.
Change-Id: I13eec7e0ed2b3c427377a7bdb055cf46da64def9
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This commit adds multi-target support to GDB. What this means is that
with this commit, GDB can now be connected to different targets at the
same time. E.g., you can debug a live native process and a core dump
at the same time, connect to multiple gdbservers, etc.
Actually, the word "target" is overloaded in gdb. We already have a
target stack, with pushes several target_ops instances on top of one
another. We also have "info target" already, which means something
completely different to what this patch does.
So from here on, I'll be using the "target connections" term, to mean
an open process_stratum target, pushed on a target stack. This patch
makes gdb have multiple target stacks, and multiple process_stratum
targets open simultaneously. The user-visible changes / commands will
also use this terminology, but of course it's all open to debate.
User-interface-wise, not that much changes. The main difference is
that each inferior may have its own target connection.
A target connection (e.g., a target extended-remote connection) may
support debugging multiple processes, just as before.
Say you're debugging against gdbserver in extended-remote mode, and
you do "add-inferior" to prepare to spawn a new process, like:
(gdb) target extended-remote :9999
...
(gdb) start
...
(gdb) add-inferior
Added inferior 2
(gdb) inferior 2
[Switching to inferior 2 [<null>] (<noexec>)]
(gdb) file a.out
...
(gdb) start
...
At this point, you have two inferiors connected to the same gdbserver.
With this commit, GDB will maintain a target stack per inferior,
instead of a global target stack.
To preserve the behavior above, by default, "add-inferior" makes the
new inferior inherit a copy of the target stack of the current
inferior. Same across a fork - the child inherits a copy of the
target stack of the parent. While the target stacks are copied, the
targets themselves are not. Instead, target_ops is made a
refcounted_object, which means that target_ops instances are
refcounted, which each inferior counting for a reference.
What if you want to create an inferior and connect it to some _other_
target? For that, this commit introduces a new "add-inferior
-no-connection" option that makes the new inferior not share the
current inferior's target. So you could do:
(gdb) target extended-remote :9999
Remote debugging using :9999
...
(gdb) add-inferior -no-connection
[New inferior 2]
Added inferior 2
(gdb) inferior 2
[Switching to inferior 2 [<null>] (<noexec>)]
(gdb) info inferiors
Num Description Executable
1 process 18401 target:/home/pedro/tmp/main
* 2 <null>
(gdb) tar extended-remote :10000
Remote debugging using :10000
...
(gdb) info inferiors
Num Description Executable
1 process 18401 target:/home/pedro/tmp/main
* 2 process 18450 target:/home/pedro/tmp/main
(gdb)
A following patch will extended "info inferiors" to include a column
indicating which connection an inferior is bound to, along with a
couple other UI tweaks.
Other than that, debugging is the same as before. Users interact with
inferiors and threads as before. The only difference is that
inferiors may be bound to processes running in different machines.
That's pretty much all there is to it in terms of noticeable UI
changes.
On to implementation.
Since we can be connected to different systems at the same time, a
ptid_t is no longer a unique identifier. Instead a thread can be
identified by a pair of ptid_t and 'process_stratum_target *', the
later being the instance of the process_stratum target that owns the
process/thread. Note that process_stratum_target inherits from
target_ops, and all process_stratum targets inherit from
process_stratum_target. In earlier patches, many places in gdb were
converted to refer to threads by thread_info pointer instead of
ptid_t, but there are still places in gdb where we start with a
pid/tid and need to find the corresponding inferior or thread_info
objects. So you'll see in the patch many places adding a
process_stratum_target parameter to functions that used to take only a
ptid_t.
Since each inferior has its own target stack now, we can always find
the process_stratum target for an inferior. That is done via a
inf->process_target() convenience method.
Since each inferior has its own target stack, we need to handle the
"beneath" calls when servicing target calls. The solution I settled
with is just to make sure to switch the current inferior to the
inferior you want before making a target call. Not relying on global
context is just not feasible in current GDB. Fortunately, there
aren't that many places that need to do that, because generally most
code that calls target methods already has the current context
pointing to the right inferior/thread. Note, to emphasize -- there's
no method to "switch to this target stack". Instead, you switch the
current inferior, and that implicitly switches the target stack.
In some spots, we need to iterate over all inferiors so that we reach
all target stacks.
Native targets are still singletons. There's always only a single
instance of such targets.
Remote targets however, we'll have one instance per remote connection.
The exec target is still a singleton. There's only one instance. I
did not see the point of instanciating more than one exec_target
object.
After vfork, we need to make sure to push the exec target on the new
inferior. See exec_on_vfork.
For type safety, functions that need a {target, ptid} pair to identify
a thread, take a process_stratum_target pointer for target parameter
instead of target_ops *. Some shared code in gdb/nat/ also need to
gain a target pointer parameter. This poses an issue, since gdbserver
doesn't have process_stratum_target, only target_ops. To fix this,
this commit renames gdbserver's target_ops to process_stratum_target.
I think this makes sense. There's no concept of target stack in
gdbserver, and gdbserver's target_ops really implements a
process_stratum-like target.
The thread and inferior iterator functions also gain
process_stratum_target parameters. These are used to be able to
iterate over threads and inferiors of a given target. Following usual
conventions, if the target pointer is null, then we iterate over
threads and inferiors of all targets.
I tried converting "add-inferior" to the gdb::option framework, as a
preparatory patch, but that stumbled on the fact that gdb::option does
not support file options yet, for "add-inferior -exec". I have a WIP
patchset that adds that, but it's not a trivial patch, mainly due to
need to integrate readline's filename completion, so I deferred that
to some other time.
In infrun.c/infcmd.c, the main change is that we need to poll events
out of all targets. See do_target_wait. Right after collecting an
event, we switch the current inferior to an inferior bound to the
target that reported the event, so that target methods can be used
while handling the event. This makes most of the code transparent to
multi-targets. See fetch_inferior_event.
infrun.c:stop_all_threads is interesting -- in this function we need
to stop all threads of all targets. What the function does is send an
asynchronous stop request to all threads, and then synchronously waits
for events, with target_wait, rinse repeat, until all it finds are
stopped threads. Now that we have multiple targets, it's not
efficient to synchronously block in target_wait waiting for events out
of one target. Instead, we implement a mini event loop, with
interruptible_select, select'ing on one file descriptor per target.
For this to work, we need to be able to ask the target for a waitable
file descriptor. Such file descriptors already exist, they are the
descriptors registered in the main event loop with add_file_handler,
inside the target_async implementations. This commit adds a new
target_async_wait_fd target method that just returns the file
descriptor in question. See wait_one / stop_all_threads in infrun.c.
The 'threads_executing' global is made a per-target variable. Since
it is only relevant to process_stratum_target targets, this is where
it is put, instead of in target_ops.
You'll notice that remote.c includes some FIXME notes. These refer to
the fact that the global arrays that hold data for the remote packets
supported are still globals. For example, if we connect to two
different servers/stubs, then each might support different remote
protocol features. They might even be different architectures, like
e.g., one ARM baremetal stub, and a x86 gdbserver, to debug a
host/controller scenario as a single program. That isn't going to
work correctly today, because of said globals. I'm leaving fixing
that for another pass, since it does not appear to be trivial, and I'd
rather land the base work first. It's already useful to be able to
debug multiple instances of the same server (e.g., a distributed
cluster, where you have full control over the servers installed), so I
think as is it's already reasonable incremental progress.
Current limitations:
- You can only resume more that one target at the same time if all
targets support asynchronous debugging, and support non-stop mode.
It should be possible to support mixed all-stop + non-stop
backends, but that is left for another time. This means that
currently in order to do multi-target with gdbserver you need to
issue "maint set target-non-stop on". I would like to make that
mode be the default, but we're not there yet. Note that I'm
talking about how the target backend works, only. User-visible
all-stop mode works just fine.
- As explained above, connecting to different remote servers at the
same time is likely to produce bad results if they don't support the
exact set of RSP features.
FreeBSD updates courtesy of John Baldwin.
gdb/ChangeLog:
2020-01-10 Pedro Alves <palves@redhat.com>
John Baldwin <jhb@FreeBSD.org>
* aarch64-linux-nat.c
(aarch64_linux_nat_target::thread_architecture): Adjust.
* ada-tasks.c (print_ada_task_info): Adjust find_thread_ptid call.
(task_command_1): Likewise.
* aix-thread.c (sync_threadlists, aix_thread_target::resume)
(aix_thread_target::wait, aix_thread_target::fetch_registers)
(aix_thread_target::store_registers)
(aix_thread_target::thread_alive): Adjust.
* amd64-fbsd-tdep.c: Include "inferior.h".
(amd64fbsd_get_thread_local_address): Pass down target.
* amd64-linux-nat.c (ps_get_thread_area): Use ps_prochandle
thread's gdbarch instead of target_gdbarch.
* break-catch-sig.c (signal_catchpoint_print_it): Adjust call to
get_last_target_status.
* break-catch-syscall.c (print_it_catch_syscall): Likewise.
* breakpoint.c (breakpoints_should_be_inserted_now): Consider all
inferiors.
(update_inserted_breakpoint_locations): Skip if inferiors with no
execution.
(update_global_location_list): When handling moribund locations,
find representative inferior for location's pspace, and use thread
count of its process_stratum target.
* bsd-kvm.c (bsd_kvm_target_open): Pass target down.
* bsd-uthread.c (bsd_uthread_target::wait): Use
as_process_stratum_target and adjust thread_change_ptid and
add_thread calls.
(bsd_uthread_target::update_thread_list): Use
as_process_stratum_target and adjust find_thread_ptid,
thread_change_ptid and add_thread calls.
* btrace.c (maint_btrace_packet_history_cmd): Adjust
find_thread_ptid call.
* corelow.c (add_to_thread_list): Adjust add_thread call.
(core_target_open): Adjust add_thread_silent and thread_count
calls.
(core_target::pid_to_str): Adjust find_inferior_ptid call.
* ctf.c (ctf_target_open): Adjust add_thread_silent call.
* event-top.c (async_disconnect): Pop targets from all inferiors.
* exec.c (add_target_sections): Push exec target on all inferiors
sharing the program space.
(remove_target_sections): Remove the exec target from all
inferiors sharing the program space.
(exec_on_vfork): New.
* exec.h (exec_on_vfork): Declare.
* fbsd-nat.c (fbsd_add_threads): Add fbsd_nat_target parameter.
Pass it down.
(fbsd_nat_target::update_thread_list): Adjust.
(fbsd_nat_target::resume): Adjust.
(fbsd_handle_debug_trap): Add fbsd_nat_target parameter. Pass it
down.
(fbsd_nat_target::wait, fbsd_nat_target::post_attach): Adjust.
* fbsd-tdep.c (fbsd_corefile_thread): Adjust
get_thread_arch_regcache call.
* fork-child.c (gdb_startup_inferior): Pass target down to
startup_inferior and set_executing.
* gdbthread.h (struct process_stratum_target): Forward declare.
(add_thread, add_thread_silent, add_thread_with_info)
(in_thread_list): Add process_stratum_target parameter.
(find_thread_ptid(inferior*, ptid_t)): New overload.
(find_thread_ptid, thread_change_ptid): Add process_stratum_target
parameter.
(all_threads()): Delete overload.
(all_threads, all_non_exited_threads): Add process_stratum_target
parameter.
(all_threads_safe): Use brace initialization.
(thread_count): Add process_stratum_target parameter.
(set_resumed, set_running, set_stop_requested, set_executing)
(threads_are_executing, finish_thread_state): Add
process_stratum_target parameter.
(switch_to_thread): Use is_current_thread.
* i386-fbsd-tdep.c: Include "inferior.h".
(i386fbsd_get_thread_local_address): Pass down target.
* i386-linux-nat.c (i386_linux_nat_target::low_resume): Adjust.
* inf-child.c (inf_child_target::maybe_unpush_target): Remove
have_inferiors check.
* inf-ptrace.c (inf_ptrace_target::create_inferior)
(inf_ptrace_target::attach): Adjust.
* infcall.c (run_inferior_call): Adjust.
* infcmd.c (run_command_1): Pass target to
scoped_finish_thread_state.
(proceed_thread_callback): Skip inferiors with no execution.
(continue_command): Rename 'all_threads' local to avoid hiding
'all_threads' function. Adjust get_last_target_status call.
(prepare_one_step): Adjust set_running call.
(signal_command): Use user_visible_resume_target. Compare thread
pointers instead of inferior_ptid.
(info_program_command): Adjust to pass down target.
(attach_command): Mark target's 'thread_executing' flag.
(stop_current_target_threads_ns): New, factored out from ...
(interrupt_target_1): ... this. Switch inferior before making
target calls.
* inferior-iter.h
(struct all_inferiors_iterator, struct all_inferiors_range)
(struct all_inferiors_safe_range)
(struct all_non_exited_inferiors_range): Filter on
process_stratum_target too. Remove explicit.
* inferior.c (inferior::inferior): Push dummy target on target
stack.
(find_inferior_pid, find_inferior_ptid, number_of_live_inferiors):
Add process_stratum_target parameter, and pass it down.
(have_live_inferiors): Adjust.
(switch_to_inferior_and_push_target): New.
(add_inferior_command, clone_inferior_command): Handle
"-no-connection" parameter. Use
switch_to_inferior_and_push_target.
(_initialize_inferior): Mention "-no-connection" option in
the help of "add-inferior" and "clone-inferior" commands.
* inferior.h: Include "process-stratum-target.h".
(interrupt_target_1): Use bool.
(struct inferior) <push_target, unpush_target, target_is_pushed,
find_target_beneath, top_target, process_target, target_at,
m_stack>: New.
(discard_all_inferiors): Delete.
(find_inferior_pid, find_inferior_ptid, number_of_live_inferiors)
(all_inferiors, all_non_exited_inferiors): Add
process_stratum_target parameter.
* infrun.c: Include "gdb_select.h" and <unordered_map>.
(target_last_proc_target): New global.
(follow_fork_inferior): Push target on new inferior. Pass target
to add_thread_silent. Call exec_on_vfork. Handle target's
reference count.
(follow_fork): Adjust get_last_target_status call. Also consider
target.
(follow_exec): Push target on new inferior.
(struct execution_control_state) <target>: New field.
(user_visible_resume_target): New.
(do_target_resume): Call target_async.
(resume_1): Set target's threads_executing flag. Consider resume
target.
(commit_resume_all_targets): New.
(proceed): Also consider resume target. Skip threads of inferiors
with no execution. Commit resumtion in all targets.
(start_remote): Pass current inferior to wait_for_inferior.
(infrun_thread_stop_requested): Consider target as well. Pass
thread_info pointer to clear_inline_frame_state instead of ptid.
(infrun_thread_thread_exit): Consider target as well.
(random_pending_event_thread): New inferior parameter. Use it.
(do_target_wait): Rename to ...
(do_target_wait_1): ... this. Add inferior parameter, and pass it
down.
(threads_are_resumed_pending_p, do_target_wait): New.
(prepare_for_detach): Adjust calls.
(wait_for_inferior): New inferior parameter. Handle it. Use
do_target_wait_1 instead of do_target_wait.
(fetch_inferior_event): Adjust. Switch to representative
inferior. Pass target down.
(set_last_target_status): Add process_stratum_target parameter.
Save target in global.
(get_last_target_status): Add process_stratum_target parameter and
handle it.
(nullify_last_target_wait_ptid): Clear 'target_last_proc_target'.
(context_switch): Check inferior_ptid == null_ptid before calling
inferior_thread().
(get_inferior_stop_soon): Pass down target.
(wait_one): Rename to ...
(poll_one_curr_target): ... this.
(struct wait_one_event): New.
(wait_one): New.
(stop_all_threads): Adjust.
(handle_no_resumed, handle_inferior_event): Adjust to consider the
event's target.
(switch_back_to_stepped_thread): Also consider target.
(print_stop_event): Update.
(normal_stop): Update. Also consider the resume target.
* infrun.h (wait_for_inferior): Remove declaration.
(user_visible_resume_target): New declaration.
(get_last_target_status, set_last_target_status): New
process_stratum_target parameter.
* inline-frame.c (clear_inline_frame_state(ptid_t)): Add
process_stratum_target parameter, and use it.
(clear_inline_frame_state (thread_info*)): New.
* inline-frame.c (clear_inline_frame_state(ptid_t)): Add
process_stratum_target parameter.
(clear_inline_frame_state (thread_info*)): Declare.
* linux-fork.c (delete_checkpoint_command): Pass target down to
find_thread_ptid.
(checkpoint_command): Adjust.
* linux-nat.c (linux_nat_target::follow_fork): Switch to thread
instead of just tweaking inferior_ptid.
(linux_nat_switch_fork): Pass target down to thread_change_ptid.
(exit_lwp): Pass target down to find_thread_ptid.
(attach_proc_task_lwp_callback): Pass target down to
add_thread/set_running/set_executing.
(linux_nat_target::attach): Pass target down to
thread_change_ptid.
(get_detach_signal): Pass target down to find_thread_ptid.
Consider last target status's target.
(linux_resume_one_lwp_throw, resume_lwp)
(linux_handle_syscall_trap, linux_handle_extended_wait, wait_lwp)
(stop_wait_callback, save_stop_reason, linux_nat_filter_event)
(linux_nat_wait_1, resume_stopped_resumed_lwps): Pass target down.
(linux_nat_target::async_wait_fd): New.
(linux_nat_stop_lwp, linux_nat_target::thread_address_space): Pass
target down.
* linux-nat.h (linux_nat_target::async_wait_fd): Declare.
* linux-tdep.c (get_thread_arch_regcache): Pass target down.
* linux-thread-db.c (struct thread_db_info::process_target): New
field.
(add_thread_db_info): Save target.
(get_thread_db_info): New process_stratum_target parameter. Also
match target.
(delete_thread_db_info): New process_stratum_target parameter.
Also match target.
(thread_from_lwp): Adjust to pass down target.
(thread_db_notice_clone): Pass down target.
(check_thread_db_callback): Pass down target.
(try_thread_db_load_1): Always push the thread_db target.
(try_thread_db_load, record_thread): Pass target down.
(thread_db_target::detach): Pass target down. Always unpush the
thread_db target.
(thread_db_target::wait, thread_db_target::mourn_inferior): Pass
target down. Always unpush the thread_db target.
(find_new_threads_callback, thread_db_find_new_threads_2)
(thread_db_target::update_thread_list): Pass target down.
(thread_db_target::pid_to_str): Pass current inferior down.
(thread_db_target::get_thread_local_address): Pass target down.
(thread_db_target::resume, maintenance_check_libthread_db): Pass
target down.
* nto-procfs.c (nto_procfs_target::update_thread_list): Adjust.
* procfs.c (procfs_target::procfs_init_inferior): Declare.
(proc_set_current_signal, do_attach, procfs_target::wait): Adjust.
(procfs_init_inferior): Rename to ...
(procfs_target::procfs_init_inferior): ... this and adjust.
(procfs_target::create_inferior, procfs_notice_thread)
(procfs_do_thread_registers): Adjust.
* ppc-fbsd-tdep.c: Include "inferior.h".
(ppcfbsd_get_thread_local_address): Pass down target.
* proc-service.c (ps_xfer_memory): Switch current inferior and
program space as well.
(get_ps_regcache): Pass target down.
* process-stratum-target.c
(process_stratum_target::thread_address_space)
(process_stratum_target::thread_architecture): Pass target down.
* process-stratum-target.h
(process_stratum_target::threads_executing): New field.
(as_process_stratum_target): New.
* ravenscar-thread.c
(ravenscar_thread_target::update_inferior_ptid): Pass target down.
(ravenscar_thread_target::wait, ravenscar_add_thread): Pass target
down.
* record-btrace.c (record_btrace_target::info_record): Adjust.
(record_btrace_target::record_method)
(record_btrace_target::record_is_replaying)
(record_btrace_target::fetch_registers)
(get_thread_current_frame_id, record_btrace_target::resume)
(record_btrace_target::wait, record_btrace_target::stop): Pass
target down.
* record-full.c (record_full_wait_1): Switch to event thread.
Pass target down.
* regcache.c (regcache::regcache)
(get_thread_arch_aspace_regcache, get_thread_arch_regcache): Add
process_stratum_target parameter and handle it.
(current_thread_target): New global.
(get_thread_regcache): Add process_stratum_target parameter and
handle it. Switch inferior before calling target method.
(get_thread_regcache): Pass target down.
(get_thread_regcache_for_ptid): Pass target down.
(registers_changed_ptid): Add process_stratum_target parameter and
handle it.
(registers_changed_thread, registers_changed): Pass target down.
(test_get_thread_arch_aspace_regcache): New.
(current_regcache_test): Define a couple local test_target_ops
instances and use them for testing.
(readwrite_regcache): Pass process_stratum_target parameter.
(cooked_read_test, cooked_write_test): Pass mock_target down.
* regcache.h (get_thread_regcache, get_thread_arch_regcache)
(get_thread_arch_aspace_regcache): Add process_stratum_target
parameter.
(regcache::target): New method.
(regcache::regcache, regcache::get_thread_arch_aspace_regcache)
(regcache::registers_changed_ptid): Add process_stratum_target
parameter.
(regcache::m_target): New field.
(registers_changed_ptid): Add process_stratum_target parameter.
* remote.c (remote_state::supports_vCont_probed): New field.
(remote_target::async_wait_fd): New method.
(remote_unpush_and_throw): Add remote_target parameter.
(get_current_remote_target): Adjust.
(remote_target::remote_add_inferior): Push target.
(remote_target::remote_add_thread)
(remote_target::remote_notice_new_inferior)
(get_remote_thread_info): Pass target down.
(remote_target::update_thread_list): Skip threads of inferiors
bound to other targets. (remote_target::close): Don't discard
inferiors. (remote_target::add_current_inferior_and_thread)
(remote_target::process_initial_stop_replies)
(remote_target::start_remote)
(remote_target::remote_serial_quit_handler): Pass down target.
(remote_target::remote_unpush_target): New remote_target
parameter. Unpush the target from all inferiors.
(remote_target::remote_unpush_and_throw): New remote_target
parameter. Pass it down.
(remote_target::open_1): Check whether the current inferior has
execution instead of checking whether any inferior is live. Pass
target down.
(remote_target::remote_detach_1): Pass down target. Use
remote_unpush_target.
(extended_remote_target::attach): Pass down target.
(remote_target::remote_vcont_probe): Set supports_vCont_probed.
(remote_target::append_resumption): Pass down target.
(remote_target::append_pending_thread_resumptions)
(remote_target::remote_resume_with_hc, remote_target::resume)
(remote_target::commit_resume): Pass down target.
(remote_target::remote_stop_ns): Check supports_vCont_probed.
(remote_target::interrupt_query)
(remote_target::remove_new_fork_children)
(remote_target::check_pending_events_prevent_wildcard_vcont)
(remote_target::remote_parse_stop_reply)
(remote_target::process_stop_reply): Pass down target.
(first_remote_resumed_thread): New remote_target parameter. Pass
it down.
(remote_target::wait_as): Pass down target.
(unpush_and_perror): New remote_target parameter. Pass it down.
(remote_target::readchar, remote_target::remote_serial_write)
(remote_target::getpkt_or_notif_sane_1)
(remote_target::kill_new_fork_children, remote_target::kill): Pass
down target.
(remote_target::mourn_inferior): Pass down target. Use
remote_unpush_target.
(remote_target::core_of_thread)
(remote_target::remote_btrace_maybe_reopen): Pass down target.
(remote_target::pid_to_exec_file)
(remote_target::thread_handle_to_thread_info): Pass down target.
(remote_target::async_wait_fd): New.
* riscv-fbsd-tdep.c: Include "inferior.h".
(riscv_fbsd_get_thread_local_address): Pass down target.
* sol2-tdep.c (sol2_core_pid_to_str): Pass down target.
* sol-thread.c (sol_thread_target::wait, ps_lgetregs, ps_lsetregs)
(ps_lgetfpregs, ps_lsetfpregs, sol_update_thread_list_callback):
Adjust.
* solib-spu.c (spu_skip_standalone_loader): Pass down target.
* solib-svr4.c (enable_break): Pass down target.
* spu-multiarch.c (parse_spufs_run): Pass down target.
* spu-tdep.c (spu2ppu_sniffer): Pass down target.
* target-delegates.c: Regenerate.
* target.c (g_target_stack): Delete.
(current_top_target): Return the current inferior's top target.
(target_has_execution_1): Refer to the passed-in inferior's top
target.
(target_supports_terminal_ours): Check whether the initial
inferior was already created.
(decref_target): New.
(target_stack::push): Incref/decref the target.
(push_target, push_target, unpush_target): Adjust.
(target_stack::unpush): Defref target.
(target_is_pushed): Return bool. Adjust to refer to the current
inferior's target stack.
(dispose_inferior): Delete, and inline parts ...
(target_preopen): ... here. Only dispose of the current inferior.
(target_detach): Hold strong target reference while detaching.
Pass target down.
(target_thread_name): Add assertion.
(target_resume): Pass down target.
(target_ops::beneath, find_target_at): Adjust to refer to the
current inferior's target stack.
(get_dummy_target): New.
(target_pass_ctrlc): Pass the Ctrl-C to the first inferior that
has a thread running.
(initialize_targets): Rename to ...
(_initialize_target): ... this.
* target.h: Include "gdbsupport/refcounted-object.h".
(struct target_ops): Inherit refcounted_object.
(target_ops::shortname, target_ops::longname): Make const.
(target_ops::async_wait_fd): New method.
(decref_target): Declare.
(struct target_ops_ref_policy): New.
(target_ops_ref): New typedef.
(get_dummy_target): Declare function.
(target_is_pushed): Return bool.
* thread-iter.c (all_matching_threads_iterator::m_inf_matches)
(all_matching_threads_iterator::all_matching_threads_iterator):
Handle filter target.
* thread-iter.h (struct all_matching_threads_iterator, struct
all_matching_threads_range, class all_non_exited_threads_range):
Filter by target too. Remove explicit.
* thread.c (threads_executing): Delete.
(inferior_thread): Pass down current inferior.
(clear_thread_inferior_resources): Pass down thread pointer
instead of ptid_t.
(add_thread_silent, add_thread_with_info, add_thread): Add
process_stratum_target parameter. Use it for thread and inferior
searches.
(is_current_thread): New.
(thread_info::deletable): Use it.
(find_thread_ptid, thread_count, in_thread_list)
(thread_change_ptid, set_resumed, set_running): New
process_stratum_target parameter. Pass it down.
(set_executing): New process_stratum_target parameter. Pass it
down. Adjust reference to 'threads_executing'.
(threads_are_executing): New process_stratum_target parameter.
Adjust reference to 'threads_executing'.
(set_stop_requested, finish_thread_state): New
process_stratum_target parameter. Pass it down.
(switch_to_thread): Also match inferior.
(switch_to_thread): New process_stratum_target parameter. Pass it
down.
(update_threads_executing): Reimplement.
* top.c (quit_force): Pop targets from all inferior.
(gdb_init): Don't call initialize_targets.
* windows-nat.c (windows_nat_target) <get_windows_debug_event>:
Declare.
(windows_add_thread, windows_delete_thread): Adjust.
(get_windows_debug_event): Rename to ...
(windows_nat_target::get_windows_debug_event): ... this. Adjust.
* tracefile-tfile.c (tfile_target_open): Pass down target.
* gdbsupport/common-gdbthread.h (struct process_stratum_target):
Forward declare.
(switch_to_thread): Add process_stratum_target parameter.
* mi/mi-interp.c (mi_on_resume_1): Add process_stratum_target
parameter. Use it.
(mi_on_resume): Pass target down.
* nat/fork-inferior.c (startup_inferior): Add
process_stratum_target parameter. Pass it down.
* nat/fork-inferior.h (startup_inferior): Add
process_stratum_target parameter.
* python/py-threadevent.c (py_get_event_thread): Pass target down.
gdb/gdbserver/ChangeLog:
2020-01-10 Pedro Alves <palves@redhat.com>
* fork-child.c (post_fork_inferior): Pass target down to
startup_inferior.
* inferiors.c (switch_to_thread): Add process_stratum_target
parameter.
* lynx-low.c (lynx_target_ops): Now a process_stratum_target.
* nto-low.c (nto_target_ops): Now a process_stratum_target.
* linux-low.c (linux_target_ops): Now a process_stratum_target.
* remote-utils.c (prepare_resume_reply): Pass the target to
switch_to_thread.
* target.c (the_target): Now a process_stratum_target.
(done_accessing_memory): Pass the target to switch_to_thread.
(set_target_ops): Ajust to use process_stratum_target.
* target.h (struct target_ops): Rename to ...
(struct process_stratum_target): ... this.
(the_target, set_target_ops): Adjust.
(prepare_to_access_memory): Adjust comment.
* win32-low.c (child_xfer_memory): Adjust to use
process_stratum_target.
(win32_target_ops): Now a process_stratum_target.
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gdb/ChangeLog:
Update copyright year range in all GDB files.
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This is for add_setshow_boolean_cmd as well as the gdb::option interface.
gdb/ChangeLog:
2019-09-17 Christian Biesinger <cbiesinger@google.com>
* ada-lang.c (ada_ignore_descriptive_types_p): Change to bool.
(print_signatures): Likewise.
(trust_pad_over_xvs): Likewise.
* arch/aarch64-insn.c (aarch64_debug): Likewise.
* arch/aarch64-insn.h (aarch64_debug): Likewise.
* arm-linux-nat.c (arm_apcs_32): Likewise.
* arm-linux-tdep.c (arm_apcs_32): Likewise.
* arm-nbsd-nat.c (arm_apcs_32): Likewise.
* arm-tdep.c (arm_debug): Likewise.
(arm_apcs_32): Likewise.
* auto-load.c (debug_auto_load): Likewise.
(auto_load_gdb_scripts): Likewise.
(global_auto_load): Likewise.
(auto_load_local_gdbinit): Likewise.
(auto_load_local_gdbinit_loaded): Likewise.
* auto-load.h (global_auto_load): Likewise.
(auto_load_local_gdbinit): Likewise.
(auto_load_local_gdbinit_loaded): Likewise.
* breakpoint.c (disconnected_dprintf): Likewise.
(breakpoint_proceeded): Likewise.
(automatic_hardware_breakpoints): Likewise.
(always_inserted_mode): Likewise.
(target_exact_watchpoints): Likewise.
(_initialize_breakpoint): Update.
* breakpoint.h (target_exact_watchpoints): Change to bool.
* btrace.c (maint_btrace_pt_skip_pad): Likewise.
* cli/cli-cmds.c (trace_commands): Likewise.
* cli/cli-cmds.h (trace_commands): Likewise.
* cli/cli-decode.c (add_setshow_boolean_cmd): Change int* argument
to bool*.
* cli/cli-logging.c (logging_overwrite): Change to bool.
(logging_redirect): Likewise.
(debug_redirect): Likewise.
* cli/cli-option.h (option_def) <boolean>: Change return type to bool*.
(struct boolean_option_def) <get_var_address_cb_>: Change return type
to bool.
<boolean_option_def>: Update.
(struct flag_option_def): Change default type of Context to bool
from int.
<flag_option_def>: Change return type of var_address_cb_ to bool*.
* cli/cli-setshow.c (do_set_command): Cast to bool* instead of int*.
(get_setshow_command_value_string): Likewise.
* cli/cli-style.c (cli_styling): Change to bool.
(source_styling): Likewise.
* cli/cli-style.h (source_styling): Likewise.
(cli_styling): Likewise.
* cli/cli-utils.h (struct qcs_flags) <quiet, cont, silent>: Change
to bool.
* command.h (var_types): Update comment.
(add_setshow_boolean_cmd): Change int* var argument to bool*.
* compile/compile-cplus-types.c (debug_compile_cplus_types): Change to
bool.
(debug_compile_cplus_scopes): Likewise.
* compile/compile-internal.h (compile_debug): Likewise.
* compile/compile.c (compile_debug): Likewise.
(struct compile_options) <raw>: Likewise.
* cp-support.c (catch_demangler_crashes): Likewise.
* cris-tdep.c (usr_cmd_cris_version_valid): Likewise.
(usr_cmd_cris_dwarf2_cfi): Likewise.
* csky-tdep.c (csky_debug): Likewise.
* darwin-nat.c (enable_mach_exceptions): Likewise.
* dcache.c (dcache_enabled_p): Likewise.
* defs.h (info_verbose): Likewise.
* demangle.c (demangle): Likewise.
(asm_demangle): Likewise.
* dwarf-index-cache.c (debug_index_cache): Likewise.
* dwarf2-frame.c (dwarf2_frame_unwinders_enabled_p): Likewise.
* dwarf2-frame.h (dwarf2_frame_unwinders_enabled_p): Likewise.
* dwarf2read.c (check_physname): Likewise.
(use_deprecated_index_sections): Likewise.
(dwarf_always_disassemble): Likewise.
* eval.c (overload_resolution): Likewise.
* event-top.c (set_editing_cmd_var): Likewise.
(exec_done_display_p): Likewise.
* event-top.h (set_editing_cmd_var): Likewise.
(exec_done_display_p): Likewise.
* exec.c (write_files): Likewise.
* fbsd-nat.c (debug_fbsd_lwp): Likewise
(debug_fbsd_nat): Likewise.
* frame.h (struct frame_print_options) <print_raw_frame_arguments>:
Likewise.
(struct set_backtrace_options) <backtrace_past_main>: Likewise.
<backtrace_past_entry> Likewise.
* gdb-demangle.h (demangle): Likewise.
(asm_demangle): Likewise.
* gdb_bfd.c (bfd_sharing): Likewise.
* gdbcore.h (write_files): Likewise.
* gdbsupport/common-debug.c (show_debug_regs): Likewise.
* gdbsupport/common-debug.h (show_debug_regs): Likewise.
* gdbthread.h (print_thread_events): Likewise.
* gdbtypes.c (opaque_type_resolution): Likewise.
(strict_type_checking): Likewise.
* gnu-nat.c (gnu_debug_flag): Likewise.
* guile/scm-auto-load.c (auto_load_guile_scripts): Likewise.
* guile/scm-param.c (pascm_variable): Add boolval.
(add_setshow_generic): Update.
(pascm_param_value): Update.
(pascm_set_param_value_x): Update.
* hppa-tdep.c (hppa_debug): Change to bool..
* infcall.c (may_call_functions_p): Likewise.
(coerce_float_to_double_p): Likewise.
(unwind_on_signal_p): Likewise.
(unwind_on_terminating_exception_p): Likewise.
* infcmd.c (startup_with_shell): Likewise.
* inferior.c (print_inferior_events): Likewise.
* inferior.h (startup_with_shell): Likewise.
(print_inferior_events): Likewise.
* infrun.c (step_stop_if_no_debug): Likewise.
(detach_fork): Likewise.
(debug_displaced): Likewise.
(disable_randomization): Likewise.
(non_stop): Likewise.
(non_stop_1): Likewise.
(observer_mode): Likewise.
(observer_mode_1): Likewise.
(set_observer_mode): Update.
(sched_multi): Change to bool.
* infrun.h (debug_displaced): Likewise.
(sched_multi): Likewise.
(step_stop_if_no_debug): Likewise.
(non_stop): Likewise.
(disable_randomization): Likewise.
* linux-tdep.c (use_coredump_filter): Likewise.
(dump_excluded_mappings): Likewise.
* linux-thread-db.c (auto_load_thread_db): Likewise.
(check_thread_db_on_load): Likewise.
* main.c (captured_main_1): Update.
* maint-test-options.c (struct test_options_opts) <flag_opt, xx1_opt,
xx2_opt, boolean_opt>: Change to bool.
* maint-test-settings.c (maintenance_test_settings_boolean): Likewise.
* maint.c (maintenance_profile_p): Likewise.
(per_command_time): Likewise.
(per_command_space): Likewise.
(per_command_symtab): Likewise.
* memattr.c (inaccessible_by_default): Likewise.
* mi/mi-main.c (mi_async): Likewise.
(mi_async_1): Likewise.
* mips-tdep.c (mips64_transfers_32bit_regs_p): Likewise.
* nat/fork-inferior.h (startup_with_shell): Likewise.
* nat/linux-namespaces.c (debug_linux_namespaces): Likewise.
* nat/linux-namespaces.h (debug_linux_namespaces): Likewise.
* nios2-tdep.c (nios2_debug): Likewise.
* or1k-tdep.c (or1k_debug): Likewise.
* parse.c (parser_debug): Likewise.
* parser-defs.h (parser_debug): Likewise.
* printcmd.c (print_symbol_filename): Likewise.
* proc-api.c (procfs_trace): Likewise.
* python/py-auto-load.c (auto_load_python_scripts): Likewise.
* python/py-param.c (union parmpy_variable): Add "bool boolval" field.
(set_parameter_value): Update.
(add_setshow_generic): Update.
* python/py-value.c (copy_py_bool_obj): Change argument from int*
to bool*.
* python/python.c (gdbpy_parameter_value): Cast to bool* instead of
int*.
* ravenscar-thread.c (ravenscar_task_support): Change to bool.
* record-btrace.c (record_btrace_target::store_registers): Update.
* record-full.c (record_full_memory_query): Change to bool.
(record_full_stop_at_limit): Likewise.
* record-full.h (record_full_memory_query): Likewise.
* remote-notif.c (notif_debug): Likewise.
* remote-notif.h (notif_debug): Likewise.
* remote.c (use_range_stepping): Likewise.
(interrupt_on_connect): Likewise.
(remote_break): Likewise.
* ser-tcp.c (tcp_auto_retry): Likewise.
* ser-unix.c (serial_hwflow): Likewise.
* skip.c (debug_skip): Likewise.
* solib-aix.c (solib_aix_debug): Likewise.
* spu-tdep.c (spu_stop_on_load_p): Likewise.
(spu_auto_flush_cache_p): Likewise.
* stack.c (struct backtrace_cmd_options) <full, no_filters, hide>:
Likewise.
(struct info_print_options) <quiet>: Likewise.
* symfile-debug.c (debug_symfile): Likewise.
* symfile.c (auto_solib_add): Likewise.
(separate_debug_file_debug): Likewise.
* symfile.h (auto_solib_add): Likewise.
(separate_debug_file_debug): Likewise.
* symtab.c (basenames_may_differ): Likewise.
(struct filename_partial_match_opts) <dirname, basename>: Likewise.
(struct info_print_options) <quiet, exclude_minsyms>: Likewise.
(struct info_types_options) <quiet>: Likewise.
* symtab.h (demangle): Likewise.
(basenames_may_differ): Likewise.
* target-dcache.c (stack_cache_enabled_1): Likewise.
(code_cache_enabled_1): Likewise.
* target.c (trust_readonly): Likewise.
(may_write_registers): Likewise.
(may_write_memory): Likewise.
(may_insert_breakpoints): Likewise.
(may_insert_tracepoints): Likewise.
(may_insert_fast_tracepoints): Likewise.
(may_stop): Likewise.
(auto_connect_native_target): Likewise.
(target_stop_and_wait): Update.
(target_async_permitted): Change to bool.
(target_async_permitted_1): Likewise.
(may_write_registers_1): Likewise.
(may_write_memory_1): Likewise.
(may_insert_breakpoints_1): Likewise.
(may_insert_tracepoints_1): Likewise.
(may_insert_fast_tracepoints_1): Likewise.
(may_stop_1): Likewise.
* target.h (target_async_permitted): Likewise.
(may_write_registers): Likewise.
(may_write_memory): Likewise.
(may_insert_breakpoints): Likewise.
(may_insert_tracepoints): Likewise.
(may_insert_fast_tracepoints): Likewise.
(may_stop): Likewise.
* thread.c (struct info_threads_opts) <show_global_ids>: Likewise.
(make_thread_apply_all_options_def_group): Change argument from int*
to bool*.
(thread_apply_all_command): Update.
(print_thread_events): Change to bool.
* top.c (confirm): Likewise.
(command_editing_p): Likewise.
(history_expansion_p): Likewise.
(write_history_p): Likewise.
(info_verbose): Likewise.
* top.h (confirm): Likewise.
(history_expansion_p): Likewise.
* tracepoint.c (disconnected_tracing): Likewise.
(circular_trace_buffer): Likewise.
* typeprint.c (print_methods): Likewise.
(print_typedefs): Likewise.
* utils.c (debug_timestamp): Likewise.
(sevenbit_strings): Likewise.
(pagination_enabled): Likewise.
* utils.h (sevenbit_strings): Likewise.
(pagination_enabled): Likewise.
* valops.c (overload_resolution): Likewise.
* valprint.h (struct value_print_options) <prettyformat_arrays,
prettyformat_structs, vtblprint, unionprint, addressprint, objectprint,
stop_print_at_null, print_array_indexes, deref_ref, static_field_print,
pascal_static_field_print, raw, summary, symbol_print, finish_print>:
Likewise.
* windows-nat.c (new_console): Likewise.
(cygwin_exceptions): Likewise.
(new_group): Likewise.
(debug_exec): Likewise.
(debug_events): Likewise.
(debug_memory): Likewise.
(debug_exceptions): Likewise.
(useshell): Likewise.
* windows-tdep.c (maint_display_all_tib): Likewise.
* xml-support.c (debug_xml): Likewise.
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gdb/ChangeLog:
* fbsd-nat.c: Include gdbarch.h.
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This is the next patch in the ongoing series to move gdbsever to the
top level.
This patch just renames the "common" directory. The idea is to do
this move in two parts: first rename the directory (this patch), then
move the directory to the top. This approach makes the patches a bit
more tractable.
I chose the name "gdbsupport" for the directory. However, as this
patch was largely written by sed, we could pick a new name without too
much difficulty.
Tested by the buildbot.
gdb/ChangeLog
2019-07-09 Tom Tromey <tom@tromey.com>
* contrib/ari/gdb_ari.sh: Change common to gdbsupport.
* configure: Rebuild.
* configure.ac: Change common to gdbsupport.
* gdbsupport: Rename from common.
* acinclude.m4: Change common to gdbsupport.
* Makefile.in (CONFIG_SRC_SUBDIR, COMMON_SFILES)
(HFILES_NO_SRCDIR, stamp-version, ALLDEPFILES): Change common to
gdbsupport.
* aarch64-tdep.c, ada-lang.c, ada-lang.h, agent.c, alloc.c,
amd64-darwin-tdep.c, amd64-dicos-tdep.c, amd64-fbsd-nat.c,
amd64-fbsd-tdep.c, amd64-linux-nat.c, amd64-linux-tdep.c,
amd64-nbsd-tdep.c, amd64-obsd-tdep.c, amd64-sol2-tdep.c,
amd64-tdep.c, amd64-windows-tdep.c, arch-utils.c,
arch/aarch64-insn.c, arch/aarch64.c, arch/aarch64.h, arch/amd64.c,
arch/amd64.h, arch/arm-get-next-pcs.c, arch/arm-linux.c,
arch/arm.c, arch/i386.c, arch/i386.h, arch/ppc-linux-common.c,
arch/riscv.c, arch/riscv.h, arch/tic6x.c, arm-tdep.c, auto-load.c,
auxv.c, ax-gdb.c, ax-general.c, ax.h, breakpoint.c, breakpoint.h,
btrace.c, btrace.h, build-id.c, build-id.h, c-lang.h, charset.c,
charset.h, cli/cli-cmds.c, cli/cli-cmds.h, cli/cli-decode.c,
cli/cli-dump.c, cli/cli-option.h, cli/cli-script.c,
coff-pe-read.c, command.h, compile/compile-c-support.c,
compile/compile-c.h, compile/compile-cplus-symbols.c,
compile/compile-cplus-types.c, compile/compile-cplus.h,
compile/compile-loc2c.c, compile/compile.c, completer.c,
completer.h, contrib/ari/gdb_ari.sh, corefile.c, corelow.c,
cp-support.c, cp-support.h, cp-valprint.c, csky-tdep.c, ctf.c,
darwin-nat.c, debug.c, defs.h, disasm-selftests.c, disasm.c,
disasm.h, dtrace-probe.c, dwarf-index-cache.c,
dwarf-index-cache.h, dwarf-index-write.c, dwarf2-frame.c,
dwarf2expr.c, dwarf2loc.c, dwarf2read.c, event-loop.c,
event-top.c, exceptions.c, exec.c, extension.h, fbsd-nat.c,
features/aarch64-core.c, features/aarch64-fpu.c,
features/aarch64-pauth.c, features/aarch64-sve.c,
features/i386/32bit-avx.c, features/i386/32bit-avx512.c,
features/i386/32bit-core.c, features/i386/32bit-linux.c,
features/i386/32bit-mpx.c, features/i386/32bit-pkeys.c,
features/i386/32bit-segments.c, features/i386/32bit-sse.c,
features/i386/64bit-avx.c, features/i386/64bit-avx512.c,
features/i386/64bit-core.c, features/i386/64bit-linux.c,
features/i386/64bit-mpx.c, features/i386/64bit-pkeys.c,
features/i386/64bit-segments.c, features/i386/64bit-sse.c,
features/i386/x32-core.c, features/riscv/32bit-cpu.c,
features/riscv/32bit-csr.c, features/riscv/32bit-fpu.c,
features/riscv/64bit-cpu.c, features/riscv/64bit-csr.c,
features/riscv/64bit-fpu.c, features/tic6x-c6xp.c,
features/tic6x-core.c, features/tic6x-gp.c, filename-seen-cache.h,
findcmd.c, findvar.c, fork-child.c, gcore.c, gdb_bfd.c, gdb_bfd.h,
gdb_proc_service.h, gdb_regex.c, gdb_select.h, gdb_usleep.c,
gdbarch-selftests.c, gdbthread.h, gdbtypes.h, gnu-nat.c,
go32-nat.c, guile/guile.c, guile/scm-ports.c,
guile/scm-safe-call.c, guile/scm-type.c, i386-fbsd-nat.c,
i386-fbsd-tdep.c, i386-go32-tdep.c, i386-linux-nat.c,
i386-linux-tdep.c, i386-tdep.c, i387-tdep.c,
ia64-libunwind-tdep.c, ia64-linux-nat.c, inf-child.c,
inf-ptrace.c, infcall.c, infcall.h, infcmd.c, inferior-iter.h,
inferior.c, inferior.h, inflow.c, inflow.h, infrun.c, infrun.h,
inline-frame.c, language.h, linespec.c, linux-fork.c, linux-nat.c,
linux-tdep.c, linux-thread-db.c, location.c, machoread.c,
macrotab.h, main.c, maint.c, maint.h, memattr.c, memrange.h,
mi/mi-cmd-break.h, mi/mi-cmd-env.c, mi/mi-cmd-stack.c,
mi/mi-cmd-var.c, mi/mi-interp.c, mi/mi-main.c, mi/mi-parse.h,
minsyms.c, mips-linux-tdep.c, namespace.h,
nat/aarch64-linux-hw-point.c, nat/aarch64-linux-hw-point.h,
nat/aarch64-linux.c, nat/aarch64-sve-linux-ptrace.c,
nat/amd64-linux-siginfo.c, nat/fork-inferior.c,
nat/linux-btrace.c, nat/linux-btrace.h, nat/linux-namespaces.c,
nat/linux-nat.h, nat/linux-osdata.c, nat/linux-personality.c,
nat/linux-procfs.c, nat/linux-ptrace.c, nat/linux-ptrace.h,
nat/linux-waitpid.c, nat/mips-linux-watch.c,
nat/mips-linux-watch.h, nat/ppc-linux.c, nat/x86-dregs.c,
nat/x86-dregs.h, nat/x86-linux-dregs.c, nat/x86-linux.c,
nto-procfs.c, nto-tdep.c, objfile-flags.h, objfiles.c, objfiles.h,
obsd-nat.c, observable.h, osdata.c, p-valprint.c, parse.c,
parser-defs.h, ppc-linux-nat.c, printcmd.c, probe.c, proc-api.c,
procfs.c, producer.c, progspace.h, psymtab.h,
python/py-framefilter.c, python/py-inferior.c, python/py-ref.h,
python/py-type.c, python/python.c, record-btrace.c, record-full.c,
record.c, record.h, regcache-dump.c, regcache.c, regcache.h,
remote-fileio.c, remote-fileio.h, remote-sim.c, remote.c,
riscv-tdep.c, rs6000-aix-tdep.c, rust-exp.y, s12z-tdep.c,
selftest-arch.c, ser-base.c, ser-event.c, ser-pipe.c, ser-tcp.c,
ser-unix.c, skip.c, solib-aix.c, solib-target.c, solib.c,
source-cache.c, source.c, source.h, sparc-nat.c, spu-linux-nat.c,
stack.c, stap-probe.c, symfile-add-flags.h, symfile.c, symfile.h,
symtab.c, symtab.h, target-descriptions.c, target-descriptions.h,
target-memory.c, target.c, target.h, target/waitstatus.c,
target/waitstatus.h, thread-iter.h, thread.c, tilegx-tdep.c,
top.c, top.h, tracefile-tfile.c, tracefile.c, tracepoint.c,
tracepoint.h, tui/tui-io.c, ui-file.c, ui-out.h,
unittests/array-view-selftests.c,
unittests/child-path-selftests.c, unittests/cli-utils-selftests.c,
unittests/common-utils-selftests.c,
unittests/copy_bitwise-selftests.c, unittests/environ-selftests.c,
unittests/format_pieces-selftests.c,
unittests/function-view-selftests.c,
unittests/lookup_name_info-selftests.c,
unittests/memory-map-selftests.c, unittests/memrange-selftests.c,
unittests/mkdir-recursive-selftests.c,
unittests/observable-selftests.c,
unittests/offset-type-selftests.c, unittests/optional-selftests.c,
unittests/parse-connection-spec-selftests.c,
unittests/ptid-selftests.c, unittests/rsp-low-selftests.c,
unittests/scoped_fd-selftests.c,
unittests/scoped_mmap-selftests.c,
unittests/scoped_restore-selftests.c,
unittests/string_view-selftests.c, unittests/style-selftests.c,
unittests/tracepoint-selftests.c, unittests/unpack-selftests.c,
unittests/utils-selftests.c, unittests/xml-utils-selftests.c,
utils.c, utils.h, valarith.c, valops.c, valprint.c, value.c,
value.h, varobj.c, varobj.h, windows-nat.c, x86-linux-nat.c,
xml-support.c, xml-support.h, xml-tdesc.h, xstormy16-tdep.c,
xtensa-linux-nat.c, dwarf2read.h: Change common to gdbsupport.
gdb/gdbserver/ChangeLog
2019-07-09 Tom Tromey <tom@tromey.com>
* configure: Rebuild.
* configure.ac: Change common to gdbsupport.
* acinclude.m4: Change common to gdbsupport.
* Makefile.in (SFILES, OBS, GDBREPLAY_OBS, IPA_OBJS)
(version-generated.c, gdbsupport/%-ipa.o, gdbsupport/%.o): Change
common to gdbsupport.
* ax.c, event-loop.c, fork-child.c, gdb_proc_service.h,
gdbreplay.c, gdbthread.h, hostio-errno.c, hostio.c, i387-fp.c,
inferiors.c, inferiors.h, linux-aarch64-tdesc-selftest.c,
linux-amd64-ipa.c, linux-i386-ipa.c, linux-low.c,
linux-tic6x-low.c, linux-x86-low.c, linux-x86-tdesc-selftest.c,
linux-x86-tdesc.c, lynx-i386-low.c, lynx-low.c, mem-break.h,
nto-x86-low.c, regcache.c, regcache.h, remote-utils.c, server.c,
server.h, spu-low.c, symbol.c, target.h, tdesc.c, tdesc.h,
thread-db.c, tracepoint.c, win32-i386-low.c, win32-low.c: Change
common to gdbsupport.
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Andreas Schwab and John Baldwin pointed out some bugs in the header
sorting patch; and I noticed that the output was not correct when
limited to a subset of files (a bug in my script).
So, I'm reverting the patch. I may try again after fixing the issues
pointed out.
gdb/ChangeLog
2019-04-05 Tom Tromey <tom@tromey.com>
Revert the header-sorting patch.
* ft32-tdep.c: Revert.
* frv-tdep.c: Revert.
* frv-linux-tdep.c: Revert.
* frame.c: Revert.
* frame-unwind.c: Revert.
* frame-base.c: Revert.
* fork-child.c: Revert.
* findvar.c: Revert.
* findcmd.c: Revert.
* filesystem.c: Revert.
* filename-seen-cache.h: Revert.
* filename-seen-cache.c: Revert.
* fbsd-tdep.c: Revert.
* fbsd-nat.h: Revert.
* fbsd-nat.c: Revert.
* f-valprint.c: Revert.
* f-typeprint.c: Revert.
* f-lang.c: Revert.
* extension.h: Revert.
* extension.c: Revert.
* extension-priv.h: Revert.
* expprint.c: Revert.
* exec.h: Revert.
* exec.c: Revert.
* exceptions.c: Revert.
* event-top.c: Revert.
* event-loop.c: Revert.
* eval.c: Revert.
* elfread.c: Revert.
* dwarf2read.h: Revert.
* dwarf2read.c: Revert.
* dwarf2loc.c: Revert.
* dwarf2expr.h: Revert.
* dwarf2expr.c: Revert.
* dwarf2-frame.c: Revert.
* dwarf2-frame-tailcall.c: Revert.
* dwarf-index-write.h: Revert.
* dwarf-index-write.c: Revert.
* dwarf-index-common.c: Revert.
* dwarf-index-cache.h: Revert.
* dwarf-index-cache.c: Revert.
* dummy-frame.c: Revert.
* dtrace-probe.c: Revert.
* disasm.h: Revert.
* disasm.c: Revert.
* disasm-selftests.c: Revert.
* dictionary.c: Revert.
* dicos-tdep.c: Revert.
* demangle.c: Revert.
* dcache.h: Revert.
* dcache.c: Revert.
* darwin-nat.h: Revert.
* darwin-nat.c: Revert.
* darwin-nat-info.c: Revert.
* d-valprint.c: Revert.
* d-namespace.c: Revert.
* d-lang.c: Revert.
* ctf.c: Revert.
* csky-tdep.c: Revert.
* csky-linux-tdep.c: Revert.
* cris-tdep.c: Revert.
* cris-linux-tdep.c: Revert.
* cp-valprint.c: Revert.
* cp-support.c: Revert.
* cp-namespace.c: Revert.
* cp-abi.c: Revert.
* corelow.c: Revert.
* corefile.c: Revert.
* continuations.c: Revert.
* completer.h: Revert.
* completer.c: Revert.
* complaints.c: Revert.
* coffread.c: Revert.
* coff-pe-read.c: Revert.
* cli-out.h: Revert.
* cli-out.c: Revert.
* charset.c: Revert.
* c-varobj.c: Revert.
* c-valprint.c: Revert.
* c-typeprint.c: Revert.
* c-lang.c: Revert.
* buildsym.c: Revert.
* buildsym-legacy.c: Revert.
* build-id.h: Revert.
* build-id.c: Revert.
* btrace.c: Revert.
* bsd-uthread.c: Revert.
* breakpoint.h: Revert.
* breakpoint.c: Revert.
* break-catch-throw.c: Revert.
* break-catch-syscall.c: Revert.
* break-catch-sig.c: Revert.
* blockframe.c: Revert.
* block.c: Revert.
* bfin-tdep.c: Revert.
* bfin-linux-tdep.c: Revert.
* bfd-target.c: Revert.
* bcache.c: Revert.
* ax-general.c: Revert.
* ax-gdb.h: Revert.
* ax-gdb.c: Revert.
* avr-tdep.c: Revert.
* auxv.c: Revert.
* auto-load.c: Revert.
* arm-wince-tdep.c: Revert.
* arm-tdep.c: Revert.
* arm-symbian-tdep.c: Revert.
* arm-pikeos-tdep.c: Revert.
* arm-obsd-tdep.c: Revert.
* arm-nbsd-tdep.c: Revert.
* arm-nbsd-nat.c: Revert.
* arm-linux-tdep.c: Revert.
* arm-linux-nat.c: Revert.
* arm-fbsd-tdep.c: Revert.
* arm-fbsd-nat.c: Revert.
* arm-bsd-tdep.c: Revert.
* arch-utils.c: Revert.
* arc-tdep.c: Revert.
* arc-newlib-tdep.c: Revert.
* annotate.h: Revert.
* annotate.c: Revert.
* amd64-windows-tdep.c: Revert.
* amd64-windows-nat.c: Revert.
* amd64-tdep.c: Revert.
* amd64-sol2-tdep.c: Revert.
* amd64-obsd-tdep.c: Revert.
* amd64-obsd-nat.c: Revert.
* amd64-nbsd-tdep.c: Revert.
* amd64-nbsd-nat.c: Revert.
* amd64-nat.c: Revert.
* amd64-linux-tdep.c: Revert.
* amd64-linux-nat.c: Revert.
* amd64-fbsd-tdep.c: Revert.
* amd64-fbsd-nat.c: Revert.
* amd64-dicos-tdep.c: Revert.
* amd64-darwin-tdep.c: Revert.
* amd64-bsd-nat.c: Revert.
* alpha-tdep.c: Revert.
* alpha-obsd-tdep.c: Revert.
* alpha-nbsd-tdep.c: Revert.
* alpha-mdebug-tdep.c: Revert.
* alpha-linux-tdep.c: Revert.
* alpha-linux-nat.c: Revert.
* alpha-bsd-tdep.c: Revert.
* alpha-bsd-nat.c: Revert.
* aix-thread.c: Revert.
* agent.c: Revert.
* addrmap.c: Revert.
* ada-varobj.c: Revert.
* ada-valprint.c: Revert.
* ada-typeprint.c: Revert.
* ada-tasks.c: Revert.
* ada-lang.c: Revert.
* aarch64-tdep.c: Revert.
* aarch64-ravenscar-thread.c: Revert.
* aarch64-newlib-tdep.c: Revert.
* aarch64-linux-tdep.c: Revert.
* aarch64-linux-nat.c: Revert.
* aarch64-fbsd-tdep.c: Revert.
* aarch64-fbsd-nat.c: Revert.
* aarch32-linux-nat.c: Revert.
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This patch sorts the include files for the files [a-f]*.[chyl].
The patch was written by a script.
Tested by the buildbot.
I will follow up with patches to sort the remaining files, by sorting
a subset, testing them, and then checking them in.
gdb/ChangeLog
2019-04-05 Tom Tromey <tom@tromey.com>
* ft32-tdep.c: Sort headers.
* frv-tdep.c: Sort headers.
* frv-linux-tdep.c: Sort headers.
* frame.c: Sort headers.
* frame-unwind.c: Sort headers.
* frame-base.c: Sort headers.
* fork-child.c: Sort headers.
* findvar.c: Sort headers.
* findcmd.c: Sort headers.
* filesystem.c: Sort headers.
* filename-seen-cache.h: Sort headers.
* filename-seen-cache.c: Sort headers.
* fbsd-tdep.c: Sort headers.
* fbsd-nat.h: Sort headers.
* fbsd-nat.c: Sort headers.
* f-valprint.c: Sort headers.
* f-typeprint.c: Sort headers.
* f-lang.c: Sort headers.
* extension.h: Sort headers.
* extension.c: Sort headers.
* extension-priv.h: Sort headers.
* expprint.c: Sort headers.
* exec.h: Sort headers.
* exec.c: Sort headers.
* exceptions.c: Sort headers.
* event-top.c: Sort headers.
* event-loop.c: Sort headers.
* eval.c: Sort headers.
* elfread.c: Sort headers.
* dwarf2read.h: Sort headers.
* dwarf2read.c: Sort headers.
* dwarf2loc.c: Sort headers.
* dwarf2expr.h: Sort headers.
* dwarf2expr.c: Sort headers.
* dwarf2-frame.c: Sort headers.
* dwarf2-frame-tailcall.c: Sort headers.
* dwarf-index-write.h: Sort headers.
* dwarf-index-write.c: Sort headers.
* dwarf-index-common.c: Sort headers.
* dwarf-index-cache.h: Sort headers.
* dwarf-index-cache.c: Sort headers.
* dummy-frame.c: Sort headers.
* dtrace-probe.c: Sort headers.
* disasm.h: Sort headers.
* disasm.c: Sort headers.
* disasm-selftests.c: Sort headers.
* dictionary.c: Sort headers.
* dicos-tdep.c: Sort headers.
* demangle.c: Sort headers.
* dcache.h: Sort headers.
* dcache.c: Sort headers.
* darwin-nat.h: Sort headers.
* darwin-nat.c: Sort headers.
* darwin-nat-info.c: Sort headers.
* d-valprint.c: Sort headers.
* d-namespace.c: Sort headers.
* d-lang.c: Sort headers.
* ctf.c: Sort headers.
* csky-tdep.c: Sort headers.
* csky-linux-tdep.c: Sort headers.
* cris-tdep.c: Sort headers.
* cris-linux-tdep.c: Sort headers.
* cp-valprint.c: Sort headers.
* cp-support.c: Sort headers.
* cp-namespace.c: Sort headers.
* cp-abi.c: Sort headers.
* corelow.c: Sort headers.
* corefile.c: Sort headers.
* continuations.c: Sort headers.
* completer.h: Sort headers.
* completer.c: Sort headers.
* complaints.c: Sort headers.
* coffread.c: Sort headers.
* coff-pe-read.c: Sort headers.
* cli-out.h: Sort headers.
* cli-out.c: Sort headers.
* charset.c: Sort headers.
* c-varobj.c: Sort headers.
* c-valprint.c: Sort headers.
* c-typeprint.c: Sort headers.
* c-lang.c: Sort headers.
* buildsym.c: Sort headers.
* buildsym-legacy.c: Sort headers.
* build-id.h: Sort headers.
* build-id.c: Sort headers.
* btrace.c: Sort headers.
* bsd-uthread.c: Sort headers.
* breakpoint.h: Sort headers.
* breakpoint.c: Sort headers.
* break-catch-throw.c: Sort headers.
* break-catch-syscall.c: Sort headers.
* break-catch-sig.c: Sort headers.
* blockframe.c: Sort headers.
* block.c: Sort headers.
* bfin-tdep.c: Sort headers.
* bfin-linux-tdep.c: Sort headers.
* bfd-target.c: Sort headers.
* bcache.c: Sort headers.
* ax-general.c: Sort headers.
* ax-gdb.h: Sort headers.
* ax-gdb.c: Sort headers.
* avr-tdep.c: Sort headers.
* auxv.c: Sort headers.
* auto-load.c: Sort headers.
* arm-wince-tdep.c: Sort headers.
* arm-tdep.c: Sort headers.
* arm-symbian-tdep.c: Sort headers.
* arm-pikeos-tdep.c: Sort headers.
* arm-obsd-tdep.c: Sort headers.
* arm-nbsd-tdep.c: Sort headers.
* arm-nbsd-nat.c: Sort headers.
* arm-linux-tdep.c: Sort headers.
* arm-linux-nat.c: Sort headers.
* arm-fbsd-tdep.c: Sort headers.
* arm-fbsd-nat.c: Sort headers.
* arm-bsd-tdep.c: Sort headers.
* arch-utils.c: Sort headers.
* arc-tdep.c: Sort headers.
* arc-newlib-tdep.c: Sort headers.
* annotate.h: Sort headers.
* annotate.c: Sort headers.
* amd64-windows-tdep.c: Sort headers.
* amd64-windows-nat.c: Sort headers.
* amd64-tdep.c: Sort headers.
* amd64-sol2-tdep.c: Sort headers.
* amd64-obsd-tdep.c: Sort headers.
* amd64-obsd-nat.c: Sort headers.
* amd64-nbsd-tdep.c: Sort headers.
* amd64-nbsd-nat.c: Sort headers.
* amd64-nat.c: Sort headers.
* amd64-linux-tdep.c: Sort headers.
* amd64-linux-nat.c: Sort headers.
* amd64-fbsd-tdep.c: Sort headers.
* amd64-fbsd-nat.c: Sort headers.
* amd64-dicos-tdep.c: Sort headers.
* amd64-darwin-tdep.c: Sort headers.
* amd64-bsd-nat.c: Sort headers.
* alpha-tdep.c: Sort headers.
* alpha-obsd-tdep.c: Sort headers.
* alpha-nbsd-tdep.c: Sort headers.
* alpha-mdebug-tdep.c: Sort headers.
* alpha-linux-tdep.c: Sort headers.
* alpha-linux-nat.c: Sort headers.
* alpha-bsd-tdep.c: Sort headers.
* alpha-bsd-nat.c: Sort headers.
* aix-thread.c: Sort headers.
* agent.c: Sort headers.
* addrmap.c: Sort headers.
* ada-varobj.c: Sort headers.
* ada-valprint.c: Sort headers.
* ada-typeprint.c: Sort headers.
* ada-tasks.c: Sort headers.
* ada-lang.c: Sort headers.
* aarch64-tdep.c: Sort headers.
* aarch64-ravenscar-thread.c: Sort headers.
* aarch64-newlib-tdep.c: Sort headers.
* aarch64-linux-tdep.c: Sort headers.
* aarch64-linux-nat.c: Sort headers.
* aarch64-fbsd-tdep.c: Sort headers.
* aarch64-fbsd-nat.c: Sort headers.
* aarch32-linux-nat.c: Sort headers.
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Currently the target pid_to_str method returns a const char *, so many
implementations have a static buffer that they update. This patch
changes these methods to return a std::string instead. I think this
is cleaner and avoids possible gotchas when calling pid_to_str on
different ptids in a single statement. (Though no such calls exist
currently.)
This also updates various helper functions, and the gdbarch pid_to_str
methods.
I also made a best effort to fix all the callers, but I can't build
some of the *-nat.c files.
Tested by the buildbot.
gdb/ChangeLog
2019-03-13 Tom Tromey <tromey@adacore.com>
* i386-gnu-nat.c (i386_gnu_nat_target::fetch_registers)
(i386_gnu_nat_target::store_registers): Update.
* target-debug.h (target_debug_print_std_string): New macro.
* x86-linux-nat.c (x86_linux_nat_target::enable_btrace): Update.
* windows-tdep.c (display_one_tib): Update.
* tui/tui-stack.c (tui_make_status_line): Update.
* top.c (print_inferior_quit_action): Update.
* thread.c (thr_try_catch_cmd): Update.
(add_thread_with_info): Update.
(thread_target_id_str): Update.
(thr_try_catch_cmd): Update.
(thread_command): Update.
(thread_find_command): Update.
* record-btrace.c (record_btrace_target::info_record)
(record_btrace_resume_thread, record_btrace_target::resume)
(record_btrace_cancel_resume, record_btrace_step_thread)
(record_btrace_target::wait, record_btrace_target::wait)
(record_btrace_target::wait, record_btrace_target::stop): Update.
* progspace.c (print_program_space): Update.
* process-stratum-target.c
(process_stratum_target::thread_address_space): Update.
* linux-fork.c (linux_fork_mourn_inferior)
(detach_checkpoint_command, info_checkpoints_command)
(linux_fork_context): Update.
(linux_fork_detach): Update.
(class scoped_switch_fork_info): Update.
(delete_checkpoint_command): Update.
* infrun.c (follow_fork_inferior): Update.
(follow_fork_inferior): Update.
(proceed_after_vfork_done): Update.
(handle_vfork_child_exec_or_exit): Update.
(follow_exec): Update.
(displaced_step_prepare_throw): Update.
(displaced_step_restore): Update.
(start_step_over): Update.
(resume_1): Update.
(clear_proceed_status_thread): Update.
(proceed): Update.
(print_target_wait_results): Update.
(do_target_wait): Update.
(context_switch): Update.
(stop_all_threads): Update.
(restart_threads): Update.
(finish_step_over): Update.
(handle_signal_stop): Update.
(switch_back_to_stepped_thread): Update.
(keep_going_pass_signal): Update.
(print_exited_reason): Update.
(normal_stop): Update.
* inferior.c (inferior_pid_to_str): Change return type.
(print_selected_inferior): Update.
(add_inferior): Update.
(detach_inferior): Update.
* dummy-frame.c (fprint_dummy_frames): Update.
* dcache.c (dcache_info_1): Update.
* btrace.c (btrace_enable, btrace_disable, btrace_teardown)
(btrace_fetch, btrace_clear): Update.
* linux-tdep.c (linux_core_pid_to_str): Change return type.
* i386-cygwin-tdep.c (i386_windows_core_pid_to_str): Change return
type.
* fbsd-tdep.c (fbsd_core_pid_to_str): Change return type.
* sol2-tdep.h (sol2_core_pid_to_str): Change return type.
* sol2-tdep.c (sol2_core_pid_to_str): Change return type.
* gdbarch.c, gdbarch.h: Rebuild.
* gdbarch.sh (core_pid_to_str): Change return type.
* windows-nat.c (struct windows_nat_target) <pid_to_str>: Change
return type.
(windows_nat_target::pid_to_str): Change return type.
(windows_delete_thread): Update.
(windows_nat_target::attach): Update.
(windows_nat_target::files_info): Update.
* target-delegates.c: Rebuild.
* sol-thread.c (class sol_thread_target) <pid_to_str>: Change
return type.
(sol_thread_target::pid_to_str): Change return type.
* remote.c (class remote_target) <pid_to_str>: Change return
type.
(remote_target::pid_to_str): Change return type.
(extended_remote_target::attach, remote_target::remote_stop_ns)
(remote_target::remote_notif_remove_queued_reply)
(remote_target::push_stop_reply, remote_target::disable_btrace):
Update.
(extended_remote_target::attach): Update.
* remote-sim.c (struct gdbsim_target) <pid_to_str>: Change return
type.
(gdbsim_target::pid_to_str): Change return type.
* ravenscar-thread.c (struct ravenscar_thread_target)
<pid_to_str>: Change return type.
(ravenscar_thread_target::pid_to_str): Change return type.
* procfs.c (class procfs_target) <pid_to_str>: Change return
type.
(procfs_target::pid_to_str): Change return type.
(procfs_target::attach): Update.
(procfs_target::detach): Update.
(procfs_target::fetch_registers): Update.
(procfs_target::store_registers): Update.
(procfs_target::wait): Update.
(procfs_target::files_info): Update.
* obsd-nat.c (obsd_nat_target::pid_to_str): Change return type.
* nto-procfs.c (struct nto_procfs_target) <pid_to_str>: Change
return type.
(nto_procfs_target::pid_to_str): Change return type.
(nto_procfs_target::files_info, nto_procfs_target::attach): Update.
* linux-thread-db.c (class thread_db_target) <pid_to_str>: Change
return type.
* linux-nat.c (linux_nat_target::pid_to_str): Change return type.
(exit_lwp): Update.
(attach_proc_task_lwp_callback, get_detach_signal)
(detach_one_lwp, resume_lwp, linux_nat_target::resume)
(linux_nat_target::resume, wait_lwp, stop_callback)
(maybe_clear_ignore_sigint, stop_wait_callback, status_callback)
(save_stop_reason, select_event_lwp, linux_nat_filter_event)
(linux_nat_wait_1, resume_stopped_resumed_lwps)
(linux_nat_target::wait, linux_nat_stop_lwp): Update.
* inf-ptrace.c (inf_ptrace_target::pid_to_str): Change return
type.
(inf_ptrace_target::attach): Update.
(inf_ptrace_target::files_info): Update.
* go32-nat.c (struct go32_nat_target) <pid_to_str>: Change return
type.
(go32_nat_target::pid_to_str): Change return type.
* gnu-nat.c (gnu_nat_target::pid_to_str): Change return type.
(gnu_nat_target::wait): Update.
(gnu_nat_target::wait): Update.
(gnu_nat_target::resume): Update.
* fbsd-nat.c (fbsd_nat_target::pid_to_str): Change return type.
(fbsd_nat_target::wait): Update.
* darwin-nat.c (darwin_nat_target::pid_to_str): Change return
type.
(darwin_nat_target::attach): Update.
* corelow.c (class core_target) <pid_to_str>: Change return type.
(core_target::pid_to_str): Change return type.
* target.c (normal_pid_to_str): Change return type.
(default_pid_to_str): Likewise.
(target_pid_to_str): Change return type.
(target_translate_tls_address): Update.
(target_announce_detach): Update.
* bsd-uthread.c (struct bsd_uthread_target) <pid_to_str>: Change
return type.
(bsd_uthread_target::pid_to_str): Change return type.
* bsd-kvm.c (class bsd_kvm_target) <pid_to_str>: Change return
type.
(bsd_kvm_target::pid_to_str): Change return type.
* aix-thread.c (class aix_thread_target) <pid_to_str>: Change
return type.
(aix_thread_target::pid_to_str): Change return type.
* target.h (struct target_ops) <pid_to_str>: Change return type.
(target_pid_to_str, normal_pid_to_str): Likewise.
* obsd-nat.h (class obsd_nat_target) <pid_to_str>: Change return
type.
* linux-nat.h (class linux_nat_target) <pid_to_str>: Change return
type.
* inf-ptrace.h (struct inf_ptrace_target) <pid_to_str>: Change
return type.
* gnu-nat.h (struct gnu_nat_target) <pid_to_str>: Change return
type.
* fbsd-nat.h (class fbsd_nat_target) <pid_to_str>: Change return
type.
* darwin-nat.h (class darwin_nat_target) <pid_to_str>: Change
return type.
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The kern.proc.args.<pid> sysctl returns the argv array as a packed
array of arguments, each null terminated. To construct a complete
command line, the arguments must be joined with spaces by converting
the intermediate nul characters to spaces. Previously only the first
argument was shown in cmdline output. Now, all arguments are shown.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_fetch_cmdline): Join arguments with spaces.
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This changes all includes to use the form "common/filename.h" rather
than just "filename.h". This was written by a script.
gdb/ChangeLog
2019-01-25 Tom Tromey <tom@tromey.com>
* xtensa-linux-nat.c: Fix common/ includes.
* xml-support.h: Fix common/ includes.
* xml-support.c: Fix common/ includes.
* x86-linux-nat.c: Fix common/ includes.
* windows-nat.c: Fix common/ includes.
* varobj.h: Fix common/ includes.
* varobj.c: Fix common/ includes.
* value.c: Fix common/ includes.
* valops.c: Fix common/ includes.
* utils.c: Fix common/ includes.
* unittests/xml-utils-selftests.c: Fix common/ includes.
* unittests/utils-selftests.c: Fix common/ includes.
* unittests/unpack-selftests.c: Fix common/ includes.
* unittests/tracepoint-selftests.c: Fix common/ includes.
* unittests/style-selftests.c: Fix common/ includes.
* unittests/string_view-selftests.c: Fix common/ includes.
* unittests/scoped_restore-selftests.c: Fix common/ includes.
* unittests/scoped_mmap-selftests.c: Fix common/ includes.
* unittests/scoped_fd-selftests.c: Fix common/ includes.
* unittests/rsp-low-selftests.c: Fix common/ includes.
* unittests/parse-connection-spec-selftests.c: Fix common/
includes.
* unittests/optional-selftests.c: Fix common/ includes.
* unittests/offset-type-selftests.c: Fix common/ includes.
* unittests/observable-selftests.c: Fix common/ includes.
* unittests/mkdir-recursive-selftests.c: Fix common/ includes.
* unittests/memrange-selftests.c: Fix common/ includes.
* unittests/memory-map-selftests.c: Fix common/ includes.
* unittests/lookup_name_info-selftests.c: Fix common/ includes.
* unittests/function-view-selftests.c: Fix common/ includes.
* unittests/environ-selftests.c: Fix common/ includes.
* unittests/copy_bitwise-selftests.c: Fix common/ includes.
* unittests/common-utils-selftests.c: Fix common/ includes.
* unittests/cli-utils-selftests.c: Fix common/ includes.
* unittests/array-view-selftests.c: Fix common/ includes.
* ui-file.c: Fix common/ includes.
* tui/tui-io.c: Fix common/ includes.
* tracepoint.h: Fix common/ includes.
* tracepoint.c: Fix common/ includes.
* tracefile-tfile.c: Fix common/ includes.
* top.h: Fix common/ includes.
* top.c: Fix common/ includes.
* thread.c: Fix common/ includes.
* target/waitstatus.h: Fix common/ includes.
* target/waitstatus.c: Fix common/ includes.
* target.h: Fix common/ includes.
* target.c: Fix common/ includes.
* target-memory.c: Fix common/ includes.
* target-descriptions.c: Fix common/ includes.
* symtab.h: Fix common/ includes.
* symfile.c: Fix common/ includes.
* stap-probe.c: Fix common/ includes.
* spu-linux-nat.c: Fix common/ includes.
* sparc-nat.c: Fix common/ includes.
* source.c: Fix common/ includes.
* solib.c: Fix common/ includes.
* solib-target.c: Fix common/ includes.
* ser-unix.c: Fix common/ includes.
* ser-tcp.c: Fix common/ includes.
* ser-pipe.c: Fix common/ includes.
* ser-base.c: Fix common/ includes.
* selftest-arch.c: Fix common/ includes.
* s12z-tdep.c: Fix common/ includes.
* rust-exp.y: Fix common/ includes.
* rs6000-aix-tdep.c: Fix common/ includes.
* riscv-tdep.c: Fix common/ includes.
* remote.c: Fix common/ includes.
* remote-notif.h: Fix common/ includes.
* remote-fileio.h: Fix common/ includes.
* remote-fileio.c: Fix common/ includes.
* regcache.h: Fix common/ includes.
* regcache.c: Fix common/ includes.
* record-btrace.c: Fix common/ includes.
* python/python.c: Fix common/ includes.
* python/py-type.c: Fix common/ includes.
* python/py-inferior.c: Fix common/ includes.
* progspace.h: Fix common/ includes.
* producer.c: Fix common/ includes.
* procfs.c: Fix common/ includes.
* proc-api.c: Fix common/ includes.
* printcmd.c: Fix common/ includes.
* ppc-linux-nat.c: Fix common/ includes.
* parser-defs.h: Fix common/ includes.
* osdata.c: Fix common/ includes.
* obsd-nat.c: Fix common/ includes.
* nat/x86-linux.c: Fix common/ includes.
* nat/x86-linux-dregs.c: Fix common/ includes.
* nat/x86-dregs.h: Fix common/ includes.
* nat/x86-dregs.c: Fix common/ includes.
* nat/ppc-linux.c: Fix common/ includes.
* nat/mips-linux-watch.h: Fix common/ includes.
* nat/mips-linux-watch.c: Fix common/ includes.
* nat/linux-waitpid.c: Fix common/ includes.
* nat/linux-ptrace.h: Fix common/ includes.
* nat/linux-ptrace.c: Fix common/ includes.
* nat/linux-procfs.c: Fix common/ includes.
* nat/linux-personality.c: Fix common/ includes.
* nat/linux-osdata.c: Fix common/ includes.
* nat/linux-namespaces.c: Fix common/ includes.
* nat/linux-btrace.h: Fix common/ includes.
* nat/linux-btrace.c: Fix common/ includes.
* nat/fork-inferior.c: Fix common/ includes.
* nat/amd64-linux-siginfo.c: Fix common/ includes.
* nat/aarch64-sve-linux-ptrace.c: Fix common/ includes.
* nat/aarch64-linux.c: Fix common/ includes.
* nat/aarch64-linux-hw-point.h: Fix common/ includes.
* nat/aarch64-linux-hw-point.c: Fix common/ includes.
* namespace.h: Fix common/ includes.
* mips-linux-tdep.c: Fix common/ includes.
* minsyms.c: Fix common/ includes.
* mi/mi-parse.h: Fix common/ includes.
* mi/mi-main.c: Fix common/ includes.
* mi/mi-cmd-env.c: Fix common/ includes.
* memrange.h: Fix common/ includes.
* memattr.c: Fix common/ includes.
* maint.h: Fix common/ includes.
* maint.c: Fix common/ includes.
* main.c: Fix common/ includes.
* machoread.c: Fix common/ includes.
* location.c: Fix common/ includes.
* linux-thread-db.c: Fix common/ includes.
* linux-nat.c: Fix common/ includes.
* linux-fork.c: Fix common/ includes.
* inline-frame.c: Fix common/ includes.
* infrun.c: Fix common/ includes.
* inflow.c: Fix common/ includes.
* inferior.h: Fix common/ includes.
* inferior.c: Fix common/ includes.
* infcmd.c: Fix common/ includes.
* inf-ptrace.c: Fix common/ includes.
* inf-child.c: Fix common/ includes.
* ia64-linux-nat.c: Fix common/ includes.
* i387-tdep.c: Fix common/ includes.
* i386-tdep.c: Fix common/ includes.
* i386-linux-tdep.c: Fix common/ includes.
* i386-linux-nat.c: Fix common/ includes.
* i386-go32-tdep.c: Fix common/ includes.
* i386-fbsd-tdep.c: Fix common/ includes.
* i386-fbsd-nat.c: Fix common/ includes.
* guile/scm-type.c: Fix common/ includes.
* guile/guile.c: Fix common/ includes.
* go32-nat.c: Fix common/ includes.
* gnu-nat.c: Fix common/ includes.
* gdbthread.h: Fix common/ includes.
* gdbarch-selftests.c: Fix common/ includes.
* gdb_usleep.c: Fix common/ includes.
* gdb_select.h: Fix common/ includes.
* gdb_bfd.c: Fix common/ includes.
* gcore.c: Fix common/ includes.
* fork-child.c: Fix common/ includes.
* findvar.c: Fix common/ includes.
* fbsd-nat.c: Fix common/ includes.
* event-top.c: Fix common/ includes.
* event-loop.c: Fix common/ includes.
* dwarf2read.c: Fix common/ includes.
* dwarf2loc.c: Fix common/ includes.
* dwarf2-frame.c: Fix common/ includes.
* dwarf-index-cache.c: Fix common/ includes.
* dtrace-probe.c: Fix common/ includes.
* disasm-selftests.c: Fix common/ includes.
* defs.h: Fix common/ includes.
* csky-tdep.c: Fix common/ includes.
* cp-valprint.c: Fix common/ includes.
* cp-support.h: Fix common/ includes.
* cp-support.c: Fix common/ includes.
* corelow.c: Fix common/ includes.
* completer.h: Fix common/ includes.
* completer.c: Fix common/ includes.
* compile/compile.c: Fix common/ includes.
* compile/compile-loc2c.c: Fix common/ includes.
* compile/compile-cplus-types.c: Fix common/ includes.
* compile/compile-cplus-symbols.c: Fix common/ includes.
* command.h: Fix common/ includes.
* cli/cli-dump.c: Fix common/ includes.
* cli/cli-cmds.c: Fix common/ includes.
* charset.c: Fix common/ includes.
* build-id.c: Fix common/ includes.
* btrace.h: Fix common/ includes.
* btrace.c: Fix common/ includes.
* breakpoint.h: Fix common/ includes.
* breakpoint.c: Fix common/ includes.
* ax.h:
(enum agent_op): Fix common/ includes.
* ax-general.c (struct aop_map): Fix common/ includes.
* ax-gdb.c: Fix common/ includes.
* auxv.c: Fix common/ includes.
* auto-load.c: Fix common/ includes.
* arm-tdep.c: Fix common/ includes.
* arch/riscv.c: Fix common/ includes.
* arch/ppc-linux-common.c: Fix common/ includes.
* arch/i386.c: Fix common/ includes.
* arch/arm.c: Fix common/ includes.
* arch/arm-linux.c: Fix common/ includes.
* arch/arm-get-next-pcs.c: Fix common/ includes.
* arch/amd64.c: Fix common/ includes.
* arch/aarch64.c: Fix common/ includes.
* arch/aarch64-insn.c: Fix common/ includes.
* arch-utils.c: Fix common/ includes.
* amd64-windows-tdep.c: Fix common/ includes.
* amd64-tdep.c: Fix common/ includes.
* amd64-sol2-tdep.c: Fix common/ includes.
* amd64-obsd-tdep.c: Fix common/ includes.
* amd64-nbsd-tdep.c: Fix common/ includes.
* amd64-linux-tdep.c: Fix common/ includes.
* amd64-linux-nat.c: Fix common/ includes.
* amd64-fbsd-tdep.c: Fix common/ includes.
* amd64-fbsd-nat.c: Fix common/ includes.
* amd64-dicos-tdep.c: Fix common/ includes.
* amd64-darwin-tdep.c: Fix common/ includes.
* agent.c: Fix common/ includes.
* ada-lang.h: Fix common/ includes.
* ada-lang.c: Fix common/ includes.
* aarch64-tdep.c: Fix common/ includes.
gdb/gdbserver/ChangeLog
2019-01-25 Tom Tromey <tom@tromey.com>
* win32-low.c: Fix common/ includes.
* win32-i386-low.c: Fix common/ includes.
* tracepoint.c: Fix common/ includes.
* thread-db.c: Fix common/ includes.
* target.h: Fix common/ includes.
* symbol.c: Fix common/ includes.
* spu-low.c: Fix common/ includes.
* server.h: Fix common/ includes.
* server.c: Fix common/ includes.
* remote-utils.c: Fix common/ includes.
* regcache.h: Fix common/ includes.
* regcache.c: Fix common/ includes.
* nto-x86-low.c: Fix common/ includes.
* notif.h: Fix common/ includes.
* mem-break.h: Fix common/ includes.
* lynx-low.c: Fix common/ includes.
* lynx-i386-low.c: Fix common/ includes.
* linux-x86-tdesc-selftest.c: Fix common/ includes.
* linux-x86-low.c: Fix common/ includes.
* linux-low.c: Fix common/ includes.
* inferiors.h: Fix common/ includes.
* i387-fp.c: Fix common/ includes.
* hostio.c: Fix common/ includes.
* hostio-errno.c: Fix common/ includes.
* gdbthread.h: Fix common/ includes.
* gdbreplay.c: Fix common/ includes.
* fork-child.c: Fix common/ includes.
* event-loop.c: Fix common/ includes.
* ax.c:
(enum gdb_agent_op): Fix common/ includes.
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This commit applies all changes made after running the gdb/copyright.py
script.
Note that one file was flagged by the script, due to an invalid
copyright header
(gdb/unittests/basic_string_view/element_access/char/empty.cc).
As the file was copied from GCC's libstdc++-v3 testsuite, this commit
leaves this file untouched for the time being; a patch to fix the header
was sent to gcc-patches first.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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The ptrace command PT_LWPINFO to request detailed information about a
stopped thread can return stale signal information from an earlier
stop. Events which are reporting an intercepted signal will always
report the correct information, but signal stops for some other events
such as system call enter/exit events might include stale siginfo from
an earlier signal. In particular, if a thread reports a system call
entry or exit event after previously reporting a single-step or
breakpoint event via SIGTRAP, fbsd_handle_debug_trap believed the
system call event was the previous event and claimed it resulting in a
spurious SIGTRAP event.
True breakpoint and single-step events will never report another event
in the pl_flags member of struct ptrace_lwpinfo. Use this to detect
stale siginfo by requiring pl_flags to have only the PL_FLAG_SI flag
and no other flags before treating a SIGTRAP as a single-step or
breakpoint trap.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_handle_debug_trap): Require pl.pl_flags to
equal PL_FLAG_SI.
(fbsd_nat_target::stopped_by_sw_breakpoint): Likewise.
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Not all of the architecture-specific FreeBSD target files were
including the right headers to enable conditionals in fbsd-nat.h after
the C++ target conversion. As a result, certain operations like 'info
auxv' and 'p $_siginfo' were not working for some native targets
(noticed on RISC-V). Fix this in a couple of ways:
1) Declare fbsd_nat_target::xfer_partial unconditionally and only use
conditionals in the function body for individual target objects.
Originally this function was only used to read the ELF auxiliary
vector, so the entire function was conditional on a macro required
for that object (KERN_AUXV_PROC). However, xfer_partial has since
grown support for additional objects. Making the function
unconditional avoids needing to add the right header to fbsd-nat.h
and allows each target object to use independent requirements.
This did require using a more explicit conditional test for the
$_siginfo support. Removing the "outer" KERN_PROC_AUXV test
enabled $_siginfo for all kernels with PT_LWPINFO, but some older
kernels (FreeBSD 6.0) exposed PT_LWPINFO with a different siginfo
format. Instead use an explicit test for when the current siginfo
format was adopted (shipped in FreeBSD 7.0). This actually enables
$_siginfo on a wider range of kernels as KERN_PROC_AUXV wasn't
introduced until FreeBSD 9.1/10.0.
2) Include <sys/proc.h> in fbsd-nat.h for the definition of
TDP_RFPPWAIT that governs support for fork following.
gdb/ChangeLog:
* fbsd-nat.c [__FreeBSD_version >= 700009] (USE_SIGINFO): Macro
defined.
(union sigval32, struct siginfo32, fbsd_siginfo_size)
(fbsd_convert_siginfo): Make conditional on USE_SIGINFO instead
of KERN_PROC_AUXV and PT_LWPINFO.
(fbsd_nat_target::xfer_partial): Define method unconditionally.
Make TARGET_OBJECT_SIGNAL_INFO conditional on USE_SIGINFO.
Make TARGET_OBJECT_AUXV conditional on KERN_PROC_AUXV.
Make TARGET_OBJECT_FREEBSD_VMMAP and
TARGET_OBJECT_FREEBSD_PS_STRINGS conditional on KERN_PROC_VMMAP
and KERN_PROC_PS_STRINGS.
* fbsd-nat.h: Include <sys/proc.h>.
(fbsd_nat_target::xfer_partial): Declare method unconditionally.
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As preparation for multi-target, this patch makes each inferior have
its own thread list.
This isn't absolutely necessary for multi-target, but simplifies
things. It originally stemmed from the desire to eliminate the
init_thread_list calls sprinkled around, plus it makes it more
efficient to iterate over threads of a given inferior (no need to
always iterate over threads of all inferiors).
We still need to iterate over threads of all inferiors in a number of
places, which means we'd need adjust the ALL_THREADS /
ALL_NON_EXITED_THREADS macros. However, naively tweaking those macros
to have an extra for loop, like:
#define ALL_THREADS (thr, inf) \
for (inf = inferior_list; inf; inf = inf->next) \
for (thr = inf->thread_list; thr; thr = thr->next)
causes problems with code that does "break" or "continue" within the
ALL_THREADS loop body. Plus, we need to declare the extra "inf" local
variable in order to pass it as temporary variable to ALL_THREADS
(etc.)
It gets even trickier when we consider extending the macros to filter
out threads matching a ptid_t and a target. The macros become tricker
to read/write. Been there.
An alternative (which was my next attempt), is to replace the
ALL_THREADS etc. iteration style with for_each_all_threads,
for_each_non_exited_threads, etc. functions which would take a
callback as parameter, which would usually be passed a lambda.
However, I did not find that satisfactory at all, because the
resulting code ends up a little less natural / more noisy to read,
write and debug/step-through (due to use of lambdas), and in many
places where we use "continue;" to skip to the next thread now need to
use "return;". (I ran into hard to debug bugs caused by a
continue/return confusion.)
I.e., before:
ALL_NON_EXITED_THREADS (tp)
{
if (tp->not_what_I_want)
continue;
// do something
}
would turn into:
for_each_non_exited_thread ([&] (thread_info *tp)
{
if (tp->not_what_I_want)
return;
// do something
});
Lastly, the solution I settled with was to replace the ALL_THREADS /
ALL_NON_EXITED_THREADS / ALL_INFERIORS macros with (C++20-like) ranges
and iterators, such that you can instead naturaly iterate over
threads/inferiors using range-for, like e.g,.:
// all threads, including THREAD_EXITED threads.
for (thread_info *tp : all_threads ())
{ .... }
// all non-exited threads.
for (thread_info *tp : all_non_exited_threads ())
{ .... }
// all non-exited threads of INF inferior.
for (thread_info *tp : inf->non_exited_threads ())
{ .... }
The all_non_exited_threads() function takes an optional filter ptid_t as
parameter, which is quite convenient when we need to iterate over
threads matching that filter. See e.g., how the
set_executing/set_stop_requested/finish_thread_state etc. functions in
thread.c end up being simplified.
Most of the patch thus is about adding the infrustructure for allowing
the above. Later on when we get to actual multi-target, these
functions/ranges/iterators will gain a "target_ops *" parameter so
that e.g., we can iterate over all threads of a given target that
match a given filter ptid_t.
The only entry points users needs to be aware of are the
all_threads/all_non_exited_threads etc. functions seen above. Thus,
those functions are declared in gdbthread.h/inferior.h. The actual
iterators/ranges are mainly "internals" and thus are put out of view
in the new thread-iter.h/thread-iter.c/inferior-iter.h files. That
keeps the gdbthread.h/inferior.h headers quite a bit more readable.
A common/safe-iterator.h header is added which adds a template that
can be used to build "safe" iterators, which are forward iterators
that can be used to replace the ALL_THREADS_SAFE macro and other
instances of the same idiom in future.
There's a little bit of shuffling of code between
gdbthread.h/thread.c/inferior.h in the patch. That is necessary in
order to avoid circular dependencies between the
gdbthread.h/inferior.h headers.
As for the init_thread_list calls sprinkled around, they're all
eliminated by this patch, and a new, central call is added to
inferior_appeared. Note how also related to that, there's a call to
init_wait_for_inferior in remote.c that is eliminated.
init_wait_for_inferior is currently responsible for discarding skipped
inline frames, which had to be moved elsewhere. Given that nowadays
we always have a thread even for single-threaded processes, the
natural place is to delete a frame's inline frame info when we delete
the thread. I.e., from clear_thread_inferior_resources.
gdb/ChangeLog:
2018-11-22 Pedro Alves <palves@redhat.com>
* Makefile.in (COMMON_SFILES): Add thread-iter.c.
* breakpoint.c (breakpoints_should_be_inserted_now): Replace
ALL_NON_EXITED_THREADS with all_non_exited_threads.
(print_one_breakpoint_location): Replace ALL_INFERIORS with
all_inferiors.
* bsd-kvm.c: Include inferior.h.
* btrace.c (btrace_free_objfile): Replace ALL_NON_EXITED_THREADS
with all_non_exited_threads.
* common/filtered-iterator.h: New.
* common/safe-iterator.h: New.
* corelow.c (core_target_open): Don't call init_thread_list here.
* darwin-nat.c (thread_info_from_private_thread_info): Replace
ALL_THREADS with all_threads.
* fbsd-nat.c (fbsd_nat_target::resume): Replace
ALL_NON_EXITED_THREADS with inf->non_exited_threads.
* fbsd-tdep.c (fbsd_make_corefile_notes): Replace
ALL_NON_EXITED_THREADS with inf->non_exited_threads.
* fork-child.c (postfork_hook): Don't call init_thread_list here.
* gdbarch-selftests.c (register_to_value_test): Adjust.
* gdbthread.h: Don't include "inferior.h" here.
(struct inferior): Forward declare.
(enum step_over_calls_kind): Moved here from inferior.h.
(thread_info::deletable): Definition moved to thread.c.
(find_thread_ptid (inferior *, ptid_t)): Declare.
(ALL_THREADS, ALL_THREADS_BY_INFERIOR, ALL_THREADS_SAFE): Delete.
Include "thread-iter.h".
(all_threads, all_non_exited_threads, all_threads_safe): New.
(any_thread_p): Declare.
(thread_list): Delete.
* infcmd.c (signal_command): Replace ALL_NON_EXITED_THREADS with
all_non_exited_threads.
(proceed_after_attach_callback): Delete.
(proceed_after_attach): Take an inferior pointer instead of an
integer PID. Adjust to use range-for.
(attach_post_wait): Pass down inferior pointer instead of pid.
Use range-for instead of ALL_NON_EXITED_THREADS.
(detach_command): Remove init_thread_list call.
* inferior-iter.h: New.
* inferior.c (struct delete_thread_of_inferior_arg): Delete.
(delete_thread_of_inferior): Delete.
(delete_inferior, exit_inferior_1): Use range-for with
inf->threads_safe() instead of iterate_over_threads.
(inferior_appeared): Call init_thread_list here.
(discard_all_inferiors): Use all_non_exited_inferiors.
(find_inferior_id, find_inferior_pid): Use all_inferiors.
(iterate_over_inferiors): Use all_inferiors_safe.
(have_inferiors, number_of_live_inferiors): Use
all_non_exited_inferiors.
(number_of_inferiors): Use all_inferiors and std::distance.
(print_inferior): Use all_inferiors.
* inferior.h: Include gdbthread.h.
(enum step_over_calls_kind): Moved to gdbthread.h.
(struct inferior) <thread_list>: New field.
<threads, non_exited_threads, threads_safe>: New methods.
(ALL_INFERIORS): Delete.
Include "inferior-iter.h".
(ALL_NON_EXITED_INFERIORS): Delete.
(all_inferiors_safe, all_inferiors, all_non_exited_inferiors): New
functions.
* inflow.c (child_interrupt, child_pass_ctrlc): Replace
ALL_NON_EXITED_THREADS with all_non_exited_threads.
* infrun.c (follow_exec): Use all_threads_safe.
(clear_proceed_status, proceed): Use all_non_exited_threads.
(init_wait_for_inferior): Don't clear inline frame state here.
(infrun_thread_stop_requested, for_each_just_stopped_thread): Use
all_threads instead of ALL_NON_EXITED_THREADS.
(random_pending_event_thread): Use all_non_exited_threads instead
of ALL_NON_EXITED_THREADS. Use a lambda for repeated code.
(clean_up_just_stopped_threads_fsms): Use all_non_exited_threads
instead of ALL_NON_EXITED_THREADS.
(handle_no_resumed): Use all_non_exited_threads instead of
ALL_NON_EXITED_THREADS. Use all_inferiors instead of
ALL_INFERIORS.
(restart_threads, switch_back_to_stepped_thread): Use
all_non_exited_threads instead of ALL_NON_EXITED_THREADS.
* linux-nat.c (check_zombie_leaders): Replace ALL_INFERIORS with
all_inferiors.
(kill_unfollowed_fork_children): Use inf->non_exited_threads
instead of ALL_NON_EXITED_THREADS.
* linux-tdep.c (linux_make_corefile_notes): Use
inf->non_exited_threads instead of ALL_NON_EXITED_THREADS.
* linux-thread-db.c (thread_db_target::update_thread_list):
Replace ALL_INFERIORS with all_inferiors.
(thread_db_target::thread_handle_to_thread_info): Use
inf->non_exited_threads instead of ALL_NON_EXITED_THREADS.
* mi/mi-interp.c (multiple_inferiors_p): New.
(mi_on_resume_1): Simplify using all_non_exited_threads and
multiple_inferiors_p.
* mi/mi-main.c (mi_cmd_thread_list_ids): Use all_non_exited_threads
instead of ALL_NON_EXITED_THREADS.
* nto-procfs.c (nto_procfs_target::open): Don't call
init_thread_list here.
* record-btrace.c (record_btrace_target_open)
(record_btrace_target::stop_recording)
(record_btrace_target::close)
(record_btrace_target::record_is_replaying)
(record_btrace_target::resume, record_btrace_target::wait)
(record_btrace_target::record_stop_replaying): Use
all_non_exited_threads instead of ALL_NON_EXITED_THREADS.
* record-full.c (record_full_wait_1): Use all_non_exited_threads
instead of ALL_NON_EXITED_THREADS.
* regcache.c (cooked_read_test): Remove reference to global
thread_list.
* remote-sim.c (gdbsim_target::create_inferior): Don't call
init_thread_list here.
* remote.c (remote_target::update_thread_list): Use
all_threads_safe instead of ALL_NON_EXITED_THREADS.
(remote_target::process_initial_stop_replies): Replace
ALL_INFERIORS with all_non_exited_inferiors and use
all_non_exited_threads instead of ALL_NON_EXITED_THREADS.
(remote_target::open_1): Don't call init_thread_list here.
(remote_target::append_pending_thread_resumptions)
(remote_target::remote_resume_with_hc): Use all_non_exited_threads
instead of ALL_NON_EXITED_THREADS.
(remote_target::commit_resume)
(remote_target::remove_new_fork_children): Replace ALL_INFERIORS
with all_non_exited_inferiors and use all_non_exited_threads
instead of ALL_NON_EXITED_THREADS.
(remote_target::kill_new_fork_children): Use
all_non_exited_threads instead of ALL_NON_EXITED_THREADS. Remove
init_thread_list and init_wait_for_inferior calls.
(remote_target::remote_btrace_maybe_reopen)
(remote_target::thread_handle_to_thread_info): Use
all_non_exited_threads instead of ALL_NON_EXITED_THREADS.
* target.c (target_terminal::restore_inferior)
(target_terminal_is_ours_kind): Replace ALL_INFERIORS with
all_non_exited_inferiors.
* thread-iter.c: New file.
* thread-iter.h: New file.
* thread.c: Include "inline-frame.h".
(thread_list): Delete.
(clear_thread_inferior_resources): Call clear_inline_frame_state.
(init_thread_list): Use all_threads_safe instead of
ALL_THREADS_SAFE. Adjust to per-inferior thread lists.
(new_thread): Adjust to per-inferior thread lists.
(add_thread_silent): Pass inferior to find_thread_ptid.
(thread_info::deletable): New, moved from the header.
(delete_thread_1): Adjust to per-inferior thread lists.
(find_thread_global_id): Use inf->threads().
(find_thread_ptid): Use find_inferior_ptid and pass inferior to
find_thread_ptid.
(find_thread_ptid(inferior*, ptid_t)): New overload.
(iterate_over_threads): Use all_threads_safe.
(any_thread_p): New.
(thread_count): Use all_threads and std::distance.
(live_threads_count): Use all_non_exited_threads and
std::distance.
(valid_global_thread_id): Use all_threads.
(in_thread_list): Use find_thread_ptid.
(first_thread_of_inferior): Adjust to per-inferior thread lists.
(any_thread_of_inferior, any_live_thread_of_inferior): Use
inf->non_exited_threads().
(prune_threads, delete_exited_threads): Use all_threads_safe.
(thread_change_ptid): Pass inferior pointer to find_thread_ptid.
(set_resumed, set_running): Use all_non_exited_threads.
(is_thread_state, is_stopped, is_exited, is_running)
(is_executing): Delete.
(set_executing, set_stop_requested, finish_thread_state): Use
all_non_exited_threads.
(print_thread_info_1): Use all_inferiors and all_threads.
(thread_apply_all_command): Use all_non_exited_threads.
(thread_find_command): Use all_threads.
(update_threads_executing): Use all_non_exited_threads.
* tid-parse.c (parse_thread_id): Use inf->threads.
* x86-bsd-nat.c (x86bsd_dr_set): Use inf->non_exited_threads ().
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gdb/ChangeLog:
* fbsd-nat.c (fbsd_nat_target::info_proc) Use
fbsd_info_proc_mappings_header and fbsd_info_proc_mappings_entry.
* fbsd-tdep.c (fbsd_vm_map_entry_flags): Mark static.
(fbsd_info_proc_mappings_header, fbsd_info_proc_mappings_entry):
New functions.
(fbsd_core_info_proc_mappings): Use fbsd_info_proc_mappings_header
and fbsd_info_proc_mappings_header.
* fbsd-tdep.h (fbsd_vm_map_entry_flags): Remove.
(fbsd_info_proc_mappings_header, fbsd_info_proc_mappings_entry):
New.
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This walks the list of struct kinfo_file objects returned by a call to
kinfo_getfile outputting a description of each open file descriptor.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_nat_target::info_proc): List open file
descriptors for IP_FILES and IP_ALL.
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gdb/ChangeLog:
* fbsd-nat.c (fbsd_nat_target::info_proc): Remove unused variable.
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gcore generates NT_AUXV and NT_FILE notes for Linux targets. On
FreeBSD auxv is stored in a NT_PROCSTAT_AUXV section, virtual memory
mappings are stored in a NT_PROCSTAT_VMMAP, and both are prefixed with
the struct size. In addition, store a NT_PROCSTAT_PS_STRINGS note
saving the initial location of the argv[] and environment[] arrays.
gdb/ChangeLog:
PR gdb/23105
* fbsd-nat.c (fbsd_nat_target::xfer_partial): Add support for
TARGET_OBJECT_FREEBSD_VMMAP and TARGET_OBJECT_FREEBSD_PS_STRINGS.
* fbsd-tdep.c (fbsd_make_note_desc): New.
(fbsd_make_corefile_notes): Write NT_PROCSTAT_AUXV,
NT_PROCSTAT_VMMAP and NT_PROCSTAT_PS_STRINGS notes.
* target.h (enum target_object) Add FreeBSD-specific
TARGET_OBJECT_FREEBSD_VMMAP and TARGET_OBJECT_FREEBSD_PS_STRINGS.
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Remove ptid_equal in favor of using "==".
gdb/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* common/ptid.c (ptid_equal): Remove.
* common/ptid.h (ptid_equal): Don't declare.
* ada-tasks.c: Update.
* breakpoint.c: Update.
* common/agent.c: Update.
* corelow.c: Update.
* darwin-nat-info.c: Update.
* darwin-nat.c: Update.
* dcache.c: Update.
* dtrace-probe.c: Update.
* dummy-frame.c: Update.
* fbsd-nat.c: Update.
* frame.c: Update.
* gdbthread.h: Update.
* gnu-nat.c: Update.
* go32-nat.c: Update.
* inf-loop.c: Update.
* inf-ptrace.c: Update.
* infcall.c: Update.
* infcmd.c: Update.
* inflow.c: Update.
* infrun.c: Update.
* linux-fork.c: Update.
* linux-nat.c: Update.
* linux-thread-db.c: Update.
* mi/mi-cmd-var.c: Update.
* mi/mi-interp.c: Update.
* mi/mi-main.c: Update.
* nto-procfs.c: Update.
* ppc-linux-tdep.c: Update.
* procfs.c: Update.
* python/py-inferior.c: Update.
* python/py-record-btrace.c: Update.
* python/py-record.c: Update.
* ravenscar-thread.c: Update.
* regcache.c: Update.
* remote-sim.c: Update.
* remote.c: Update.
* sol-thread.c: Update.
* solib.c: Update.
* target.c: Update.
* tui/tui-stack.c: Update.
* varobj.c: Update.
* windows-nat.c: Update.
* windows-tdep.c: Update.
gdb/gdbserver/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* linux-low.c: Update.
* lynx-low.c: Update.
* mem-break.c: Update.
* nto-low.c: Update.
* remote-utils.c: Update.
* server.c: Update.
* spu-low.c: Update.
* target.c: Update.
* win32-low.c: Update.
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This removes ptid_match in favor of the ptid_t::matches method.
gdb/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* common/ptid.c (ptid_match): Remove.
* common/ptid.h (ptid_match): Don't declare.
* fbsd-nat.c: Update.
* infcmd.c: Update.
* infrun.c: Update.
* linux-nat.c: Update.
* record-btrace.c: Update.
* regcache.c: Update.
* remote.c: Update.
gdb/gdbserver/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* server.c: Update.
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This removes ptid_lwp_p in favor of the ptid_t::lwp_p method.
gdb/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* common/ptid.c (ptid_lwp_p): Remove.
* common/ptid.h (ptid_lwp_p): Don't declare.
* fbsd-nat.c: Update.
* linux-nat.c: Update.
* nat/linux-procfs.c: Update.
* nat/x86-linux-dregs.c: Update.
* sol-thread.c: Update.
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This removes ptid_get_tid in favor of calling the ptid_t::tid method.
gdb/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* common/ptid.c (ptid_get_tid): Remove.
* common/ptid.h (ptid_get_tid): Don't declare.
* ada-tasks.c: Update.
* aix-thread.c: Update.
* bsd-uthread.c: Update.
* darwin-nat.c: Update.
* fbsd-nat.c: Update.
* i386-darwin-nat.c: Update.
* infrun.c: Update.
* linux-tdep.c: Update.
* nto-procfs.c: Update.
* ppc-ravenscar-thread.c: Update.
* python/py-infthread.c: Update.
* ravenscar-thread.c: Update.
* sol-thread.c: Update.
* sparc-ravenscar-thread.c: Update.
* windows-nat.c: Update.
gdb/gdbserver/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* target.c: Update.
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This removes ptid_get_lwp in favor of calling the ptid_t::lwp method.
gdb/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* common/ptid.c (ptid_get_lwp): Remove.
* common/ptid.h (ptid_get_lwp): Don't declare.
* aarch64-linux-nat.c: Update.
* ada-tasks.c: Update.
* aix-thread.c: Update.
* amd64-linux-nat.c: Update.
* arm-linux-nat.c: Update.
* corelow.c: Update.
* fbsd-nat.c: Update.
* fbsd-tdep.c: Update.
* gnu-nat.c: Update.
* i386-cygwin-tdep.c: Update.
* i386-gnu-nat.c: Update.
* i386-linux-nat.c: Update.
* ia64-linux-nat.c: Update.
* inf-ptrace.c: Update.
* infrun.c: Update.
* linux-fork.c: Update.
* linux-nat.c: Update.
* linux-tdep.c: Update.
* linux-thread-db.c: Update.
* mips-linux-nat.c: Update.
* nat/aarch64-linux-hw-point.c: Update.
* nat/aarch64-linux.c: Update.
* nat/linux-btrace.c: Update.
* nat/linux-osdata.c: Update.
* nat/linux-procfs.c: Update.
* nat/x86-linux-dregs.c: Update.
* obsd-nat.c: Update.
* ppc-fbsd-nat.c: Update.
* ppc-linux-nat.c: Update.
* procfs.c: Update.
* python/py-infthread.c: Update.
* ravenscar-thread.c: Update.
* remote.c: Update.
* s390-linux-nat.c: Update.
* sol-thread.c: Update.
* sol2-tdep.c: Update.
* spu-linux-nat.c: Update.
* x86-linux-nat.c: Update.
* xtensa-linux-nat.c: Update.
gdb/gdbserver/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* linux-low.c: Update.
* linux-mips-low.c: Update.
* lynx-low.c: Update.
* nto-low.c: Update.
* remote-utils.c: Update.
* server.c: Update.
* spu-low.c: Update.
* target.c: Update.
* thread-db.c: Update.
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This removes ptid_get_pid in favor of calling the ptid_t::pid method.
gdb/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* common/ptid.c (ptid_get_pid): Remove.
* common/ptid.h (ptid_get_pid): Don't declare.
* aarch64-linux-nat.c: Update.
* ada-lang.c: Update.
* aix-thread.c: Update.
* alpha-bsd-nat.c: Update.
* amd64-fbsd-nat.c: Update.
* amd64-linux-nat.c: Update.
* arm-linux-nat.c: Update.
* arm-nbsd-nat.c: Update.
* auxv.c: Update.
* break-catch-syscall.c: Update.
* breakpoint.c: Update.
* bsd-uthread.c: Update.
* corelow.c: Update.
* ctf.c: Update.
* darwin-nat.c: Update.
* fbsd-nat.c: Update.
* fbsd-tdep.c: Update.
* gcore.c: Update.
* gnu-nat.c: Update.
* hppa-nbsd-nat.c: Update.
* hppa-obsd-nat.c: Update.
* i386-fbsd-nat.c: Update.
* ia64-linux-nat.c: Update.
* inf-ptrace.c: Update.
* infcmd.c: Update.
* inferior.c: Update.
* inferior.h: Update.
* inflow.c: Update.
* infrun.c: Update.
* linux-fork.c: Update.
* linux-nat.c: Update.
* linux-tdep.c: Update.
* linux-thread-db.c: Update.
* m68k-bsd-nat.c: Update.
* mi/mi-interp.c: Update.
* mi/mi-main.c: Update.
* mips-linux-nat.c: Update.
* mips-nbsd-nat.c: Update.
* mips64-obsd-nat.c: Update.
* nat/aarch64-linux-hw-point.c: Update.
* nat/aarch64-linux.c: Update.
* nat/linux-btrace.c: Update.
* nat/linux-osdata.c: Update.
* nat/linux-procfs.c: Update.
* nat/x86-linux-dregs.c: Update.
* nto-procfs.c: Update.
* obsd-nat.c: Update.
* ppc-linux-nat.c: Update.
* ppc-nbsd-nat.c: Update.
* ppc-obsd-nat.c: Update.
* proc-service.c: Update.
* procfs.c: Update.
* python/py-inferior.c: Update.
* python/py-infthread.c: Update.
* ravenscar-thread.c: Update.
* record.c: Update.
* remote-sim.c: Update.
* remote.c: Update.
* rs6000-nat.c: Update.
* s390-linux-nat.c: Update.
* sh-nbsd-nat.c: Update.
* sol-thread.c: Update.
* sparc-nat.c: Update.
* sparc64-tdep.c: Update.
* spu-linux-nat.c: Update.
* spu-tdep.c: Update.
* target-debug.h: Update.
* target.c: Update.
* thread.c: Update.
* tid-parse.c: Update.
* tracefile-tfile.c: Update.
* vax-bsd-nat.c: Update.
* windows-nat.c: Update.
* x86-linux-nat.c: Update.
* x86-nat.c: Update.
gdb/gdbserver/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* linux-low.c: Update.
* linux-mips-low.c: Update.
* lynx-low.c: Update.
* mem-break.c: Update.
* nto-low.c: Update.
* remote-utils.c: Update.
* server.c: Update.
* spu-low.c: Update.
* target.c: Update.
* tracepoint.c: Update.
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This removes pid_to_ptid in favor of calling the ptid_t constructor
directly.
gdb/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* common/ptid.c (pid_to_ptid): Remove.
* common/ptid.h (pid_to_ptid): Don't declare.
* aix-thread.c: Update.
* arm-linux-nat.c: Update.
* common/ptid.c: Update.
* common/ptid.h: Update.
* corelow.c: Update.
* ctf.c: Update.
* darwin-nat.c: Update.
* fbsd-nat.c: Update.
* fork-child.c: Update.
* gnu-nat.c: Update.
* go32-nat.c: Update.
* inf-ptrace.c: Update.
* infcmd.c: Update.
* inferior.c: Update.
* infrun.c: Update.
* linux-fork.c: Update.
* linux-nat.c: Update.
* nat/aarch64-linux-hw-point.c: Update.
* nat/fork-inferior.c: Update.
* nat/x86-linux-dregs.c: Update.
* nto-procfs.c: Update.
* obsd-nat.c: Update.
* procfs.c: Update.
* progspace.c: Update.
* remote.c: Update.
* rs6000-nat.c: Update.
* s390-linux-nat.c: Update.
* sol-thread.c: Update.
* spu-linux-nat.c: Update.
* target.c: Update.
* top.c: Update.
* tracefile-tfile.c: Update.
* windows-nat.c: Update.
gdb/gdbserver/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* linux-low.c: Update.
* linux-ppc-low.c: Update.
* linux-x86-low.c: Update.
* proc-service.c: Update.
* server.c: Update.
* spu-low.c: Update.
* thread-db.c: Update.
* win32-low.c: Update.
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This removes ptid_build in favor of simply calling the ptid_t
constructor directly.
gdb/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* common/ptid.h (ptid_build): Don't declare.
* common/ptid.c (ptid_build): Remove.
* aix-thread.c: Update.
* bsd-kvm.c: Update.
* bsd-uthread.c: Update.
* common/agent.c: Update.
* common/ptid.c: Update.
* common/ptid.h: Update.
* corelow.c: Update.
* darwin-nat.c: Update.
* fbsd-nat.c: Update.
* gnu-nat.c: Update.
* linux-fork.c: Update.
* linux-nat.c: Update.
* linux-thread-db.c: Update.
* nat/linux-osdata.c: Update.
* nat/linux-procfs.c: Update.
* nto-procfs.c: Update.
* obsd-nat.c: Update.
* proc-service.c: Update.
* procfs.c: Update.
* ravenscar-thread.c: Update.
* remote-sim.c: Update.
* remote.c: Update.
* sol-thread.c: Update.
* target.c: Update.
* windows-nat.c: Update.
gdb/gdbserver/ChangeLog
2018-07-03 Tom Tromey <tom@tromey.com>
* linux-low.c: Update.
* lynx-low.c: Update.
* nto-low.c: Update.
* remote-utils.c: Update.
* spu-low.c: Update.
* thread-db.c: Update.
* win32-low.c: Update.
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Commit 00431a78b28f ("Use thread_info and inferior pointers more
throughout") missed updating some callers, like e.g.,:
gdb/remote-sim.c: In member function 'virtual void gdbsim_target::mourn_inferior()':
gdb/remote-sim.c:1198:50: error: cannot convert 'ptid_t' to 'thread_info*' for argument '1' to 'void delete_thread_silent(thread_info*)'
delete_thread_silent (sim_data->remote_sim_ptid);
gdb/mygit/src/gdb/procfs.c: In member function ‘virtual void procfs_target::detach(inferior*, int)’:
gdb/mygit/src/gdb/procfs.c:1931:23: error: invalid conversion from ‘int’ to ‘inferior*’ [-fpermissive]
detach_inferior (pid);
^
In file included from gdb/mygit/src/gdb/procfs.c:24:0:
gdb/mygit/src/gdb/inferior.h:476:13: note: initializing argument 1 of ‘void detach_inferior(inferior*)’
etc.
This fixes it.
The delete_thread_silent calls in both go32-nat.c and remote-sim.c are
unnecessary because generic_mourn_inferior calls exit_inferior, which
deletes the inferior's threads.
gdb/ChangeLog:
2018-06-25 Pedro Alves <palves@redhat.com>
* windows-nat.c (windows_delete_thread): Use find_thread_ptid and
pass thread_info pointer to delete_thread.
(windows_nat_target::detach): Pass inferior pointer to
detach_inferior.
* aix-thread.c (sync_threadlists): Pass thread_info pointer to
delete_thread.
* bsd-kvm.c (bsd_kvm_target::close): Use discard_all_inferiors.
* darwin-nat.c (darwin_check_new_threads): Use find_thread_ptid
and pass a thread_info pointer to delete_thread.
* fbsd-nat.c (fbsd_nat_target::wait): Use find_thread_ptid and
pass thread_info pointer to delete_thread.
* go32-nat.c (go32_nat_target::mourn_inferior): Remove
delete_thread_silent call.
* procfs.c (procfs_target::detach): Pass inferior pointer to
detach_inferior.
(procfs_target::wait): Pass thread_info pointer to delete_thread.
* remote-sim.c (gdbsim_target::mourn_inferior): Remove
delete_thread_silent call.
* windows-nat.c (windows_delete_thread): Use find_thread_ptid and
pass thread_info pointer to delete_thread.
(windows_nat_target::detach): Pass inferior pointer to
delete_inferior.
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After the previous target_ops/C++ patches are all squashed and merged,
this one can go in separately.
This patch adjusts all the target methods to return bool instead of int
when they're returning a boolean.
gdb/ChangeLog:
2018-05-02 Pedro Alves <palves@redhat.com>
* target.h (target_ops)
<stopped_by_sw_breakpoint, supports_stopped_by_sw_breakpoint,
stopped_by_hw_breakpoint, supports_stopped_by_hw_breakpoint,
stopped_by_watchpoint, have_continuable_watchpoint,
stopped_data_address, watchpoint_addr_within_range,
can_accel_watchpoint_condition, can_run, thread_alive,
has_all_memory, has_memory, has_stack, has_registers,
has_execution, can_async_p, is_async_p, supports_non_stop,
always_non_stop_p, can_execute_reverse, supports_multi_process,
supports_enable_disable_tracepoint,
supports_disable_randomization, supports_string_tracing,
supports_evaluation_of_breakpoint_conditions,
can_run_breakpoint_commands, filesystem_is_local,
can_download_tracepoint, get_trace_state_variable_value,
set_trace_notes, get_tib_address, use_agent, can_use_agent,
record_is_replaying, record_will_replay,
augmented_libraries_svr4_read>: Adjust to return bool.
* aarch64-linux-nat.c: All implementations adjusted.
* aix-thread.c: All implementations adjusted.
* arm-linux-nat.c: All implementations adjusted.
* breakpoint.c: All implementations adjusted.
* bsd-kvm.c: All implementations adjusted.
* bsd-uthread.c: All implementations adjusted.
* corelow.c: All implementations adjusted.
* ctf.c: All implementations adjusted.
* darwin-nat.c: All implementations adjusted.
* darwin-nat.h: All implementations adjusted.
* exec.c: All implementations adjusted.
* fbsd-nat.c: All implementations adjusted.
* fbsd-nat.h: All implementations adjusted.
* gnu-nat.c: All implementations adjusted.
* gnu-nat.h: All implementations adjusted.
* go32-nat.c: All implementations adjusted.
* ia64-linux-nat.c: All implementations adjusted.
* inf-child.c: All implementations adjusted.
* inf-child.h: All implementations adjusted.
* inf-ptrace.c: All implementations adjusted.
* inf-ptrace.h: All implementations adjusted.
* linux-nat.c: All implementations adjusted.
* linux-nat.h: All implementations adjusted.
* mips-linux-nat.c: All implementations adjusted.
* nto-procfs.c: All implementations adjusted.
* ppc-linux-nat.c: All implementations adjusted.
* procfs.c: All implementations adjusted.
* ravenscar-thread.c: All implementations adjusted.
* record-btrace.c: All implementations adjusted.
* record-full.c: All implementations adjusted.
* remote-sim.c: All implementations adjusted.
* remote.c: All implementations adjusted.
* s390-linux-nat.c: All implementations adjusted.
* sol-thread.c: All implementations adjusted.
* spu-multiarch.c: All implementations adjusted.
* target-delegates.c: All implementations adjusted.
* target.c: All implementations adjusted.
* target.h: All implementations adjusted.
* tracefile-tfile.c: All implementations adjusted.
* tracefile.c: All implementations adjusted.
* tracefile.h: All implementations adjusted.
* windows-nat.c: All implementations adjusted.
* x86-linux-nat.h: All implementations adjusted.
* x86-nat.h: All implementations adjusted.
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| |
I.e., use C++ virtual methods and inheritance instead of tables of
function pointers.
Unfortunately, there's no way to do a smooth transition. ALL native
targets in the tree must be converted at the same time. I've tested
all I could with cross compilers and with help from GCC compile farm,
but naturally I haven't been able to test many of the ports. Still, I
made a best effort to port everything over, and while I expect some
build problems due to typos and such, which should be trivial to fix,
I don't expect any design problems.
* Implementation notes:
- The flattened current_target is gone. References to current_target
or current_target.beneath are replaced with references to
target_stack (the top of the stack) directly.
- To keep "set debug target" working, this adds a new debug_stratum
layer that sits on top of the stack, prints the debug, and delegates
to the target beneath.
In addition, this makes the shortname and longname properties of
target_ops be virtual methods instead of data fields, and makes the
debug target defer those to the target beneath. This is so that
debug code sprinkled around that does "if (debugtarget) ..." can
transparently print the name of the target beneath.
A patch later in the series actually splits out the
shortname/longname methods to a separate structure, but I preferred
to keep that chance separate as it is associated with changing a bit
the design of how targets are registered and open.
- Since you can't check whether a C++ virtual method is overridden,
the old method of checking whether a target_ops implements a method
by comparing the function pointer must be replaced with something
else.
Some cases are fixed by adding a parallel "can_do_foo" target_ops
methods. E.g.,:
+ for (t = target_stack; t != NULL; t = t->beneath)
{
- if (t->to_create_inferior != NULL)
+ if (t->can_create_inferior ())
break;
}
Others are fixed by changing void return type to bool or int return
type, and have the default implementation return false or -1, to
indicate lack of support.
- make-target-delegates was adjusted to generate C++ classes and
methods.
It needed tweaks to grok "virtual" in front of the target method
name, and for the fact that methods are no longer function pointers.
(In particular, the current code parsing the return type was simple
because it could simply parse up until the '(' in '(*to_foo)'.
It now generates a couple C++ classes that inherit target_ops:
dummy_target and debug_target.
Since we need to generate the class declarations as well, i.e., we
need to emit methods twice, we now generate the code in two passes.
- The core_target global is renamed to avoid conflict with the
"core_target" class.
- ctf/tfile targets
init_tracefile_ops is replaced by a base class that is inherited by
both ctf and tfile.
- bsd-uthread
The bsd_uthread_ops_hack hack is gone. It's not needed because
nothing was extending a target created by bsd_uthread_target.
- remote/extended-remote targets
This is a first pass, just enough to C++ify target_ops.
A later pass will convert more free functions to methods, and make
remote_state be truly per remote instance, allowing multiple
simultaneous instances of remote targets.
- inf-child/"native" is converted to an actual base class
(inf_child_target), that is inherited by all native targets.
- GNU/Linux
The old weird double-target linux_ops mechanism in linux-nat.c, is
gone, replaced by adding a few virtual methods to linux-nat.h's
target_ops, called low_XXX, that the concrete linux-nat
implementations override. Sort of like gdbserver's
linux_target_ops, but simpler, for requiring only one
target_ops-like hierarchy, which spares implementing the same method
twice when we need to forward the method to a low implementation.
The low target simply reimplements the target_ops method directly in
that case.
There are a few remaining linux-nat.c hooks that would be better
converted to low_ methods like above too. E.g.:
linux_nat_set_new_thread (t, x86_linux_new_thread);
linux_nat_set_new_fork (t, x86_linux_new_fork);
linux_nat_set_forget_process
That'll be done in a follow up patch.
- We can no longer use functions like x86_use_watchpoints to install
custom methods on an arbitrary base target.
The patch replaces instances of such a pattern with template mixins.
For example memory_breakpoint_target defined in target.h, or
x86_nat_target in x86-nat.h.
- linux_trad_target, MIPS and Alpha GNU/Linux
The code in the new linux-nat-trad.h/c files which was split off of
inf-ptrace.h/c recently, is converted to a C++ base class, and used
by the MIPS and Alpha GNU/Linux ports.
- BSD targets
The
$architecture x NetBSD/OpenBSD/FreeBSD
support matrix complicates things a bit. There's common BSD target
code, and there's common architecture-specific code shared between
the different BSDs. Currently, all that is stiched together to form
a final target, via the i386bsd_target, x86bsd_target,
fbsd_nat_add_target functions etc.
This introduces new fbsd_nat_target, obsd_nat_target and
nbsd_nat_target classes that serve as base/prototype target for the
corresponding BSD variant.
And introduces generic i386/AMD64 BSD targets, to be used as
template mixin to build a final target. Similarly, a generic SPARC
target is added, used by both BSD and Linux ports.
- bsd_kvm_add_target, BSD libkvm target
I considered making bsd_kvm_supply_pcb a virtual method, and then
have each port inherit bsd_kvm_target and override that method, but
that was resulting in lots of unjustified churn, so I left the
function pointer mechanism alone.
gdb/ChangeLog:
2018-05-02 Pedro Alves <palves@redhat.com>
John Baldwin <jhb@freebsd.org>
* target.h (enum strata) <debug_stratum>: New.
(struct target_ops) <all delegation methods>: Replace by C++
virtual methods, and drop "to_" prefix. All references updated
throughout.
<to_shortname, to_longname, to_doc, to_data,
to_have_steppable_watchpoint, to_have_continuable_watchpoint,
to_has_thread_control, to_attach_no_wait>: Delete, replaced by
virtual methods. All references updated throughout.
<can_attach, supports_terminal_ours, can_create_inferior,
get_thread_control_capabilities, attach_no_wait>: New
virtual methods.
<insert_breakpoint, remove_breakpoint>: Now
TARGET_DEFAULT_NORETURN methods.
<info_proc>: Now returns bool.
<to_magic>: Delete.
(OPS_MAGIC): Delete.
(current_target): Delete. All references replaced by references
to ...
(target_stack): ... this. New.
(target_shortname, target_longname): Adjust.
(target_can_run): Now a function declaration.
(default_child_has_all_memory, default_child_has_memory)
(default_child_has_stack, default_child_has_registers)
(default_child_has_execution): Remove target_ops parameter.
(complete_target_initialization): Delete.
(memory_breakpoint_target): New template class.
(test_target_ops): Refactor as a C++ class with virtual methods.
* make-target-delegates (NAME_PART): Tighten.
(POINTER_PART, CP_SYMBOL): New.
(SIMPLE_RETURN_PART): Reimplement.
(VEC_RETURN_PART): Expect less.
(RETURN_PART, VIRTUAL_PART): New.
(METHOD): Adjust to C++ virtual methods.
(scan_target_h): Remove reference to C99.
(dname): Output "target_ops::" prefix.
(write_function_header): Adjust to output a C++ class method.
(write_declaration): New.
(write_delegator): Adjust to output a C++ class method.
(tdname): Output "dummy_target::" prefix.
(write_tdefault, write_debugmethod): Adjust to output a C++ class
method.
(tdefault_names, debug_names): Delete.
(return_types, tdefaults, styles, argtypes_array): New.
(top level): All methods are delegators.
(print_class): New.
(top level): Print dummy_target and debug_target classes.
* target-delegates.c: Regenerate.
* target-debug.h (target_debug_print_enum_info_proc_what)
(target_debug_print_thread_control_capabilities)
(target_debug_print_thread_info_p): New.
* target.c (dummy_target): Delete.
(the_dummy_target, the_debug_target): New.
(target_stack): Now extern.
(set_targetdebug): Push/unpush debug target.
(default_child_has_all_memory, default_child_has_memory)
(default_child_has_stack, default_child_has_registers)
(default_child_has_execution): Remove target_ops parameter.
(complete_target_initialization): Delete.
(add_target_with_completer): No longer call
complete_target_initialization.
(target_supports_terminal_ours): Use regular delegation.
(update_current_target): Delete.
(push_target): No longer check magic number. Don't call
update_current_target.
(unpush_target): Don't call update_current_target.
(target_is_pushed): No longer check magic number.
(target_require_runnable): Skip for all stratums over
process_stratum.
(target_ops::info_proc): New.
(target_info_proc): Use find_target_at and
find_default_run_target.
(target_supports_disable_randomization): Use regular delegation.
(target_get_osdata): Use find_target_at.
(target_ops::open, target_ops::close, target_ops::can_attach)
(target_ops::attach, target_ops::can_create_inferior)
(target_ops::create_inferior, target_ops::can_run)
(target_can_run): New.
(default_fileio_target): Use regular delegation.
(target_ops::fileio_open, target_ops::fileio_pwrite)
(target_ops::fileio_pread, target_ops::fileio_fstat)
(target_ops::fileio_close, target_ops::fileio_unlink)
(target_ops::fileio_readlink): New.
(target_fileio_open_1, target_fileio_unlink)
(target_fileio_readlink): Always call the target method. Handle
FILEIO_ENOSYS.
(return_zero, return_zero_has_execution): Delete.
(init_dummy_target): Delete.
(dummy_target::dummy_target, dummy_target::shortname)
(dummy_target::longname, dummy_target::doc)
(debug_target::debug_target, debug_target::shortname)
(debug_target::longname, debug_target::doc): New.
(target_supports_delete_record): Use regular delegation.
(setup_target_debug): Delete.
(maintenance_print_target_stack): Skip debug_stratum.
(initialize_targets): Instantiate the_dummy_target and
the_debug_target.
* auxv.c (target_auxv_parse): Remove 'ops' parameter. Adjust to
use target_stack.
(target_auxv_search, fprint_target_auxv): Adjust.
(info_auxv_command): Adjust to use target_stack.
* auxv.h (target_auxv_parse): Remove 'ops' parameter.
* exceptions.c (print_flush): Handle a NULL target_stack.
* regcache.c (target_ops_no_register): Refactor as class with
virtual methods.
* exec.c (exec_target): New class.
(exec_ops): Now an exec_target.
(exec_open, exec_close_1, exec_get_section_table)
(exec_xfer_partial, exec_files_info, exec_has_memory)
(exec_make_note_section): Refactor as exec_target methods.
(exec_file_clear, ignore, exec_remove_breakpoint, init_exec_ops):
Delete.
(exec_target::find_memory_regions): New.
(_initialize_exec): Don't call init_exec_ops.
* gdbcore.h (exec_file_clear): Delete.
* corefile.c (core_target): Delete.
(core_file_command): Adjust.
* corelow.c (core_target): New class.
(the_core_target): New.
(core_close): Remove target_ops parameter.
(core_close_cleanup): Adjust.
(core_target::close): New.
(core_open, core_detach, get_core_registers, core_files_info)
(core_xfer_partial, core_thread_alive, core_read_description)
(core_pid_to_str, core_thread_name, core_has_memory)
(core_has_stack, core_has_registers, core_info_proc): Rework as
core_target methods.
(ignore, core_remove_breakpoint, init_core_ops): Delete.
(_initialize_corelow): Initialize the_core_target.
* gdbcore.h (core_target): Delete.
(the_core_target): New.
* ctf.c: (ctf_target): New class.
(ctf_ops): Now a ctf_target.
(ctf_open, ctf_close, ctf_files_info, ctf_fetch_registers)
(ctf_xfer_partial, ctf_get_trace_state_variable_value)
(ctf_trace_find, ctf_traceframe_info): Refactor as ctf_target
methods.
(init_ctf_ops): Delete.
(_initialize_ctf): Don't call it.
* tracefile-tfile.c (tfile_target): New class.
(tfile_ops): Now a tfile_target.
(tfile_open, tfile_close, tfile_files_info)
(tfile_get_tracepoint_status, tfile_trace_find)
(tfile_fetch_registers, tfile_xfer_partial)
(tfile_get_trace_state_variable_value, tfile_traceframe_info):
Refactor as tfile_target methods.
(tfile_xfer_partial_features): Remove target_ops parameter.
(init_tfile_ops): Delete.
(_initialize_tracefile_tfile): Don't call it.
* tracefile.c (tracefile_has_all_memory, tracefile_has_memory)
(tracefile_has_stack, tracefile_has_registers)
(tracefile_thread_alive, tracefile_get_trace_status): Refactor as
tracefile_target methods.
(init_tracefile_ops): Delete.
(tracefile_target::tracefile_target): New.
* tracefile.h: Include "target.h".
(tracefile_target): New class.
(init_tracefile_ops): Delete.
* spu-multiarch.c (spu_multiarch_target): New class.
(spu_ops): Now a spu_multiarch_target.
(spu_thread_architecture, spu_region_ok_for_hw_watchpoint)
(spu_fetch_registers, spu_store_registers, spu_xfer_partial)
(spu_search_memory, spu_mourn_inferior): Refactor as
spu_multiarch_target methods.
(init_spu_ops): Delete.
(_initialize_spu_multiarch): Remove references to init_spu_ops,
complete_target_initialization.
* ravenscar-thread.c (ravenscar_thread_target): New class.
(ravenscar_ops): Now a ravenscar_thread_target.
(ravenscar_resume, ravenscar_wait, ravenscar_update_thread_list)
(ravenscar_thread_alive, ravenscar_pid_to_str)
(ravenscar_fetch_registers, ravenscar_store_registers)
(ravenscar_prepare_to_store, ravenscar_stopped_by_sw_breakpoint)
(ravenscar_stopped_by_hw_breakpoint)
(ravenscar_stopped_by_watchpoint, ravenscar_stopped_data_address)
(ravenscar_mourn_inferior, ravenscar_core_of_thread)
(ravenscar_get_ada_task_ptid): Refactor as ravenscar_thread_target
methods.
(init_ravenscar_thread_ops): Delete.
(_initialize_ravenscar): Remove references to
init_ravenscar_thread_ops and complete_target_initialization.
* bsd-uthread.c (bsd_uthread_ops_hack): Delete.
(bsd_uthread_target): New class.
(bsd_uthread_ops): Now a bsd_uthread_target.
(bsd_uthread_activate): Adjust to refer to bsd_uthread_ops.
(bsd_uthread_close, bsd_uthread_mourn_inferior)
(bsd_uthread_fetch_registers, bsd_uthread_store_registers)
(bsd_uthread_wait, bsd_uthread_resume, bsd_uthread_thread_alive)
(bsd_uthread_update_thread_list, bsd_uthread_extra_thread_info)
(bsd_uthread_pid_to_str): Refactor as bsd_uthread_target methods.
(bsd_uthread_target): Delete function.
(_initialize_bsd_uthread): Remove reference to
complete_target_initialization.
* bfd-target.c (target_bfd_data): Delete. Fields folded into ...
(target_bfd): ... this new class.
(target_bfd_xfer_partial, target_bfd_get_section_table)
(target_bfd_close): Refactor as target_bfd methods.
(target_bfd::~target_bfd): New.
(target_bfd_reopen): Adjust.
(target_bfd::close): New.
* record-btrace.c (record_btrace_target): New class.
(record_btrace_ops): Now a record_btrace_target.
(record_btrace_open, record_btrace_stop_recording)
(record_btrace_disconnect, record_btrace_close)
(record_btrace_async, record_btrace_info)
(record_btrace_insn_history, record_btrace_insn_history_range)
(record_btrace_insn_history_from, record_btrace_call_history)
(record_btrace_call_history_range)
(record_btrace_call_history_from, record_btrace_record_method)
(record_btrace_is_replaying, record_btrace_will_replay)
(record_btrace_xfer_partial, record_btrace_insert_breakpoint)
(record_btrace_remove_breakpoint, record_btrace_fetch_registers)
(record_btrace_store_registers, record_btrace_prepare_to_store)
(record_btrace_to_get_unwinder)
(record_btrace_to_get_tailcall_unwinder, record_btrace_resume)
(record_btrace_commit_resume, record_btrace_wait)
(record_btrace_stop, record_btrace_can_execute_reverse)
(record_btrace_stopped_by_sw_breakpoint)
(record_btrace_supports_stopped_by_sw_breakpoint)
(record_btrace_stopped_by_hw_breakpoint)
(record_btrace_supports_stopped_by_hw_breakpoint)
(record_btrace_update_thread_list, record_btrace_thread_alive)
(record_btrace_goto_begin, record_btrace_goto_end)
(record_btrace_goto, record_btrace_stop_replaying_all)
(record_btrace_execution_direction)
(record_btrace_prepare_to_generate_core)
(record_btrace_done_generating_core): Refactor as
record_btrace_target methods.
(init_record_btrace_ops): Delete.
(_initialize_record_btrace): Remove reference to
init_record_btrace_ops.
* record-full.c (RECORD_FULL_IS_REPLAY): Adjust to always refer to
the execution_direction global.
(record_full_base_target, record_full_target)
(record_full_core_target): New classes.
(record_full_ops): Now a record_full_target.
(record_full_core_ops): Now a record_full_core_target.
(record_full_target::detach, record_full_target::disconnect)
(record_full_core_target::disconnect)
(record_full_target::mourn_inferior, record_full_target::kill):
New.
(record_full_open, record_full_close, record_full_async): Refactor
as methods of the record_full_base_target class.
(record_full_resume, record_full_commit_resume): Refactor
as methods of the record_full_target class.
(record_full_wait, record_full_stopped_by_watchpoint)
(record_full_stopped_data_address)
(record_full_stopped_by_sw_breakpoint)
(record_full_supports_stopped_by_sw_breakpoint)
(record_full_stopped_by_hw_breakpoint)
(record_full_supports_stopped_by_hw_breakpoint): Refactor as
methods of the record_full_base_target class.
(record_full_store_registers, record_full_xfer_partial)
(record_full_insert_breakpoint, record_full_remove_breakpoint):
Refactor as methods of the record_full_target class.
(record_full_can_execute_reverse, record_full_get_bookmark)
(record_full_goto_bookmark, record_full_execution_direction)
(record_full_record_method, record_full_info, record_full_delete)
(record_full_is_replaying, record_full_will_replay)
(record_full_goto_begin, record_full_goto_end, record_full_goto)
(record_full_stop_replaying): Refactor as methods of the
record_full_base_target class.
(record_full_core_resume, record_full_core_kill)
(record_full_core_fetch_registers)
(record_full_core_prepare_to_store)
(record_full_core_store_registers, record_full_core_xfer_partial)
(record_full_core_insert_breakpoint)
(record_full_core_remove_breakpoint)
(record_full_core_has_execution): Refactor
as methods of the record_full_core_target class.
(record_full_base_target::supports_delete_record): New.
(init_record_full_ops): Delete.
(init_record_full_core_ops): Delete.
(record_full_save): Refactor as method of the
record_full_base_target class.
(_initialize_record_full): Remove references to
init_record_full_ops and init_record_full_core_ops.
* remote.c (remote_target, extended_remote_target): New classes.
(remote_ops): Now a remote_target.
(extended_remote_ops): Now an extended_remote_target.
(remote_insert_fork_catchpoint, remote_remove_fork_catchpoint)
(remote_insert_vfork_catchpoint, remote_remove_vfork_catchpoint)
(remote_insert_exec_catchpoint, remote_remove_exec_catchpoint)
(remote_pass_signals, remote_set_syscall_catchpoint)
(remote_program_signals, )
(remote_thread_always_alive): Remove target_ops parameter.
(remote_thread_alive, remote_thread_name)
(remote_update_thread_list, remote_threads_extra_info)
(remote_static_tracepoint_marker_at)
(remote_static_tracepoint_markers_by_strid)
(remote_get_ada_task_ptid, remote_close, remote_start_remote)
(remote_open): Refactor as methods of remote_target.
(extended_remote_open, extended_remote_detach)
(extended_remote_attach, extended_remote_post_attach):
(extended_remote_supports_disable_randomization)
(extended_remote_create_inferior): : Refactor as method of
extended_remote_target.
(remote_set_permissions, remote_open_1, remote_detach)
(remote_follow_fork, remote_follow_exec, remote_disconnect)
(remote_resume, remote_commit_resume, remote_stop)
(remote_interrupt, remote_pass_ctrlc, remote_terminal_inferior)
(remote_terminal_ours, remote_wait, remote_fetch_registers)
(remote_prepare_to_store, remote_store_registers)
(remote_flash_erase, remote_flash_done, remote_files_info)
(remote_kill, remote_mourn, remote_insert_breakpoint)
(remote_remove_breakpoint, remote_insert_watchpoint)
(remote_watchpoint_addr_within_range)
(remote_remove_watchpoint, remote_region_ok_for_hw_watchpoint)
(remote_check_watch_resources, remote_stopped_by_sw_breakpoint)
(remote_supports_stopped_by_sw_breakpoint)
(remote_stopped_by_hw_breakpoint)
(remote_supports_stopped_by_hw_breakpoint)
(remote_stopped_by_watchpoint, remote_stopped_data_address)
(remote_insert_hw_breakpoint, remote_remove_hw_breakpoint)
(remote_verify_memory): Refactor as methods of remote_target.
(remote_write_qxfer, remote_read_qxfer): Remove target_ops
parameter.
(remote_xfer_partial, remote_get_memory_xfer_limit)
(remote_search_memory, remote_rcmd, remote_memory_map)
(remote_pid_to_str, remote_get_thread_local_address)
(remote_get_tib_address, remote_read_description): Refactor as
methods of remote_target.
(remote_target::fileio_open, remote_target::fileio_pwrite)
(remote_target::fileio_pread, remote_target::fileio_close): New.
(remote_hostio_readlink, remote_hostio_fstat)
(remote_filesystem_is_local, remote_can_execute_reverse)
(remote_supports_non_stop, remote_supports_disable_randomization)
(remote_supports_multi_process, remote_supports_cond_breakpoints)
(remote_supports_enable_disable_tracepoint)
(remote_supports_string_tracing)
(remote_can_run_breakpoint_commands, remote_trace_init)
(remote_download_tracepoint, remote_can_download_tracepoint)
(remote_download_trace_state_variable, remote_enable_tracepoint)
(remote_disable_tracepoint, remote_trace_set_readonly_regions)
(remote_trace_start, remote_get_trace_status)
(remote_get_tracepoint_status, remote_trace_stop)
(remote_trace_find, remote_get_trace_state_variable_value)
(remote_save_trace_data, remote_get_raw_trace_data)
(remote_set_disconnected_tracing, remote_core_of_thread)
(remote_set_circular_trace_buffer, remote_traceframe_info)
(remote_get_min_fast_tracepoint_insn_len)
(remote_set_trace_buffer_size, remote_set_trace_notes)
(remote_use_agent, remote_can_use_agent, remote_enable_btrace)
(remote_disable_btrace, remote_teardown_btrace)
(remote_read_btrace, remote_btrace_conf)
(remote_augmented_libraries_svr4_read, remote_load)
(remote_pid_to_exec_file, remote_can_do_single_step)
(remote_execution_direction, remote_thread_handle_to_thread_info):
Refactor as methods of remote_target.
(init_remote_ops, init_extended_remote_ops): Delete.
(remote_can_async_p, remote_is_async_p, remote_async)
(remote_thread_events, remote_upload_tracepoints)
(remote_upload_trace_state_variables): Refactor as methods of
remote_target.
(_initialize_remote): Remove references to init_remote_ops and
init_extended_remote_ops.
* remote-sim.c (gdbsim_target): New class.
(gdbsim_fetch_register, gdbsim_store_register, gdbsim_kill)
(gdbsim_load, gdbsim_create_inferior, gdbsim_open, gdbsim_close)
(gdbsim_detach, gdbsim_resume, gdbsim_interrupt)
(gdbsim_wait, gdbsim_prepare_to_store, gdbsim_xfer_partial)
(gdbsim_files_info, gdbsim_mourn_inferior, gdbsim_thread_alive)
(gdbsim_pid_to_str, gdbsim_has_all_memory, gdbsim_has_memory):
Refactor as methods of gdbsim_target.
(gdbsim_ops): Now a gdbsim_target.
(init_gdbsim_ops): Delete.
(gdbsim_cntrl_c): Adjust.
(_initialize_remote_sim): Remove reference to init_gdbsim_ops.
* amd64-linux-nat.c (amd64_linux_nat_target): New class.
(the_amd64_linux_nat_target): New.
(amd64_linux_fetch_inferior_registers)
(amd64_linux_store_inferior_registers): Refactor as methods of
amd64_linux_nat_target.
(_initialize_amd64_linux_nat): Adjust. Set linux_target.
* i386-linux-nat.c: Don't include "linux-nat.h".
(i386_linux_nat_target): New class.
(the_i386_linux_nat_target): New.
(i386_linux_fetch_inferior_registers)
(i386_linux_store_inferior_registers, i386_linux_resume): Refactor
as methods of i386_linux_nat_target.
(_initialize_i386_linux_nat): Adjust. Set linux_target.
* inf-child.c (inf_child_ops): Delete.
(inf_child_fetch_inferior_registers)
(inf_child_store_inferior_registers): Delete.
(inf_child_post_attach, inf_child_prepare_to_store): Refactor as
methods of inf_child_target.
(inf_child_target::supports_terminal_ours)
(inf_child_target::terminal_init)
(inf_child_target::terminal_inferior)
(inf_child_target::terminal_ours_for_output)
(inf_child_target::terminal_ours, inf_child_target::interrupt)
(inf_child_target::pass_ctrlc, inf_child_target::terminal_info):
New.
(inf_child_open, inf_child_disconnect, inf_child_close)
(inf_child_mourn_inferior, inf_child_maybe_unpush_target)
(inf_child_post_startup_inferior, inf_child_can_run)
(inf_child_pid_to_exec_file): Refactor as methods of
inf_child_target.
(inf_child_follow_fork): Delete.
(inf_child_target::can_create_inferior)
(inf_child_target::can_attach): New.
(inf_child_target::has_all_memory, inf_child_target::has_memory)
(inf_child_target::has_stack, inf_child_target::has_registers)
(inf_child_target::has_execution): New.
(inf_child_fileio_open, inf_child_fileio_pwrite)
(inf_child_fileio_pread, inf_child_fileio_fstat)
(inf_child_fileio_close, inf_child_fileio_unlink)
(inf_child_fileio_readlink, inf_child_use_agent)
(inf_child_can_use_agent): Refactor as methods of
inf_child_target.
(return_zero, inf_child_target): Delete.
(inf_child_target::inf_child_target): New.
* inf-child.h: Include "target.h".
(inf_child_target): Delete function prototype.
(inf_child_target): New class.
(inf_child_open_target, inf_child_mourn_inferior)
(inf_child_maybe_unpush_target): Delete.
* inf-ptrace.c (inf_ptrace_target::~inf_ptrace_target): New.
(inf_ptrace_follow_fork, inf_ptrace_insert_fork_catchpoint)
(inf_ptrace_remove_fork_catchpoint, inf_ptrace_create_inferior)
(inf_ptrace_post_startup_inferior, inf_ptrace_mourn_inferior)
(inf_ptrace_attach, inf_ptrace_post_attach, inf_ptrace_detach)
(inf_ptrace_detach_success, inf_ptrace_kill, inf_ptrace_resume)
(inf_ptrace_wait, inf_ptrace_xfer_partial)
(inf_ptrace_thread_alive, inf_ptrace_files_info)
(inf_ptrace_pid_to_str, inf_ptrace_auxv_parse): Refactor as
methods of inf_ptrace_target.
(inf_ptrace_target): Delete function.
* inf-ptrace.h: Include "inf-child.h".
(inf_ptrace_target): Delete function declaration.
(inf_ptrace_target): New class.
(inf_ptrace_trad_target, inf_ptrace_detach_success): Delete.
* linux-nat.c (linux_target): New.
(linux_ops, linux_ops_saved, super_xfer_partial): Delete.
(linux_nat_target::~linux_nat_target): New.
(linux_child_post_attach, linux_child_post_startup_inferior)
(linux_child_follow_fork, linux_child_insert_fork_catchpoint)
(linux_child_remove_fork_catchpoint)
(linux_child_insert_vfork_catchpoint)
(linux_child_remove_vfork_catchpoint)
(linux_child_insert_exec_catchpoint)
(linux_child_remove_exec_catchpoint)
(linux_child_set_syscall_catchpoint, linux_nat_pass_signals)
(linux_nat_create_inferior, linux_nat_attach, linux_nat_detach)
(linux_nat_resume, linux_nat_stopped_by_watchpoint)
(linux_nat_stopped_data_address)
(linux_nat_stopped_by_sw_breakpoint)
(linux_nat_supports_stopped_by_sw_breakpoint)
(linux_nat_stopped_by_hw_breakpoint)
(linux_nat_supports_stopped_by_hw_breakpoint, linux_nat_wait)
(linux_nat_kill, linux_nat_mourn_inferior)
(linux_nat_xfer_partial, linux_nat_thread_alive)
(linux_nat_update_thread_list, linux_nat_pid_to_str)
(linux_nat_thread_name, linux_child_pid_to_exec_file)
(linux_child_static_tracepoint_markers_by_strid)
(linux_nat_is_async_p, linux_nat_can_async_p)
(linux_nat_supports_non_stop, linux_nat_always_non_stop_p)
(linux_nat_supports_multi_process)
(linux_nat_supports_disable_randomization, linux_nat_async)
(linux_nat_stop, linux_nat_close, linux_nat_thread_address_space)
(linux_nat_core_of_thread, linux_nat_filesystem_is_local)
(linux_nat_fileio_open, linux_nat_fileio_readlink)
(linux_nat_fileio_unlink, linux_nat_thread_events): Refactor as
methods of linux_nat_target.
(linux_nat_wait_1, linux_xfer_siginfo, linux_proc_xfer_partial)
(linux_proc_xfer_spu, linux_nat_xfer_osdata): Remove target_ops
parameter.
(check_stopped_by_watchpoint): Adjust.
(linux_xfer_partial): Delete.
(linux_target_install_ops, linux_target, linux_nat_add_target):
Delete.
(linux_nat_target::linux_nat_target): New.
* linux-nat.h: Include "inf-ptrace.h".
(linux_nat_target): New.
(linux_target, linux_target_install_ops, linux_nat_add_target):
Delete function declarations.
(linux_target): Declare global.
* linux-thread-db.c (thread_db_target): New.
(thread_db_target::thread_db_target): New.
(thread_db_ops): Delete.
(the_thread_db_target): New.
(thread_db_detach, thread_db_wait, thread_db_mourn_inferior)
(thread_db_update_thread_list, thread_db_pid_to_str)
(thread_db_extra_thread_info)
(thread_db_thread_handle_to_thread_info)
(thread_db_get_thread_local_address, thread_db_get_ada_task_ptid)
(thread_db_resume): Refactor as methods of thread_db_target.
(init_thread_db_ops): Delete.
(_initialize_thread_db): Remove reference to init_thread_db_ops.
* x86-linux-nat.c: Don't include "linux-nat.h".
(super_post_startup_inferior): Delete.
(x86_linux_nat_target::~x86_linux_nat_target): New.
(x86_linux_child_post_startup_inferior)
(x86_linux_read_description, x86_linux_enable_btrace)
(x86_linux_disable_btrace, x86_linux_teardown_btrace)
(x86_linux_read_btrace, x86_linux_btrace_conf): Refactor as
methods of x86_linux_nat_target.
(x86_linux_create_target): Delete. Bits folded ...
(x86_linux_add_target): ... here. Now takes a linux_nat_target
pointer.
* x86-linux-nat.h: Include "linux-nat.h" and "x86-nat.h".
(x86_linux_nat_target): New class.
(x86_linux_create_target): Delete.
(x86_linux_add_target): Now takes a linux_nat_target pointer.
* x86-nat.c (x86_insert_watchpoint, x86_remove_watchpoint)
(x86_region_ok_for_watchpoint, x86_stopped_data_address)
(x86_stopped_by_watchpoint, x86_insert_hw_breakpoint)
(x86_remove_hw_breakpoint, x86_can_use_hw_breakpoint)
(x86_stopped_by_hw_breakpoint): Remove target_ops parameter and
make extern.
(x86_use_watchpoints): Delete.
* x86-nat.h: Include "breakpoint.h" and "target.h".
(x86_use_watchpoints): Delete.
(x86_can_use_hw_breakpoint, x86_region_ok_for_hw_watchpoint)
(x86_stopped_by_watchpoint, x86_stopped_data_address)
(x86_insert_watchpoint, x86_remove_watchpoint)
(x86_insert_hw_breakpoint, x86_remove_hw_breakpoint)
(x86_stopped_by_hw_breakpoint): New declarations.
(x86_nat_target): New template class.
* ppc-linux-nat.c (ppc_linux_nat_target): New class.
(the_ppc_linux_nat_target): New.
(ppc_linux_fetch_inferior_registers)
(ppc_linux_can_use_hw_breakpoint)
(ppc_linux_region_ok_for_hw_watchpoint)
(ppc_linux_ranged_break_num_registers)
(ppc_linux_insert_hw_breakpoint, ppc_linux_remove_hw_breakpoint)
(ppc_linux_insert_mask_watchpoint)
(ppc_linux_remove_mask_watchpoint)
(ppc_linux_can_accel_watchpoint_condition)
(ppc_linux_insert_watchpoint, ppc_linux_remove_watchpoint)
(ppc_linux_stopped_data_address, ppc_linux_stopped_by_watchpoint)
(ppc_linux_watchpoint_addr_within_range)
(ppc_linux_masked_watch_num_registers)
(ppc_linux_store_inferior_registers, ppc_linux_auxv_parse)
(ppc_linux_read_description): Refactor as methods of
ppc_linux_nat_target.
(_initialize_ppc_linux_nat): Adjust. Set linux_target.
* procfs.c (procfs_xfer_partial): Delete forward declaration.
(procfs_target): New class.
(the_procfs_target): New.
(procfs_target): Delete function.
(procfs_auxv_parse, procfs_attach, procfs_detach)
(procfs_fetch_registers, procfs_store_registers, procfs_wait)
(procfs_xfer_partial, procfs_resume, procfs_pass_signals)
(procfs_files_info, procfs_kill_inferior, procfs_mourn_inferior)
(procfs_create_inferior, procfs_update_thread_list)
(procfs_thread_alive, procfs_pid_to_str)
(procfs_can_use_hw_breakpoint, procfs_stopped_by_watchpoint)
(procfs_stopped_data_address, procfs_insert_watchpoint)
(procfs_remove_watchpoint, procfs_region_ok_for_hw_watchpoint)
(proc_find_memory_regions, procfs_info_proc)
(procfs_make_note_section): Refactor as methods of procfs_target.
(_initialize_procfs): Adjust.
* sol-thread.c (sol_thread_target): New class.
(sol_thread_ops): Now a sol_thread_target.
(sol_thread_detach, sol_thread_resume, sol_thread_wait)
(sol_thread_fetch_registers, sol_thread_store_registers)
(sol_thread_xfer_partial, sol_thread_mourn_inferior)
(sol_thread_alive, solaris_pid_to_str, sol_update_thread_list)
(sol_get_ada_task_ptid): Refactor as methods of sol_thread_target.
(init_sol_thread_ops): Delete.
(_initialize_sol_thread): Adjust. Remove references to
init_sol_thread_ops and complete_target_initialization.
* windows-nat.c (windows_nat_target): New class.
(windows_fetch_inferior_registers)
(windows_store_inferior_registers, windows_resume, windows_wait)
(windows_attach, windows_detach, windows_pid_to_exec_file)
(windows_files_info, windows_create_inferior)
(windows_mourn_inferior, windows_interrupt, windows_kill_inferior)
(windows_close, windows_pid_to_str, windows_xfer_partial)
(windows_get_tib_address, windows_get_ada_task_ptid)
(windows_thread_name, windows_thread_alive): Refactor as
windows_nat_target methods.
(do_initial_windows_stuff): Adjust.
(windows_target): Delete function.
(_initialize_windows_nat): Adjust.
* darwin-nat.c (darwin_resume, darwin_wait_to, darwin_interrupt)
(darwin_mourn_inferior, darwin_kill_inferior)
(darwin_create_inferior, darwin_attach, darwin_detach)
(darwin_pid_to_str, darwin_thread_alive, darwin_xfer_partial)
(darwin_pid_to_exec_file, darwin_get_ada_task_ptid)
(darwin_supports_multi_process): Refactor as darwin_nat_target
methods.
(darwin_resume_to, darwin_files_info): Delete.
(_initialize_darwin_inferior): Rename to ...
(_initialize_darwin_nat): ... this. Adjust to C++ification.
* darwin-nat.h: Include "inf-child.h".
(darwin_nat_target): New class.
(darwin_complete_target): Delete.
* i386-darwin-nat.c (i386_darwin_nat_target): New class.
(darwin_target): New.
(i386_darwin_fetch_inferior_registers)
(i386_darwin_store_inferior_registers): Refactor as methods of
darwin_nat_target.
(darwin_complete_target): Delete, with ...
(_initialize_i386_darwin_nat): ... bits factored out here.
* alpha-linux-nat.c (alpha_linux_nat_target): New class.
(the_alpha_linux_nat_target): New.
(alpha_linux_register_u_offset): Refactor as
alpha_linux_nat_target method.
(_initialize_alpha_linux_nat): Adjust.
* linux-nat-trad.c (inf_ptrace_register_u_offset): Delete.
(inf_ptrace_fetch_register, inf_ptrace_fetch_registers)
(inf_ptrace_store_register, inf_ptrace_store_registers): Refact as
methods of linux_nat_trad_target.
(linux_trad_target): Delete.
* linux-nat-trad.h (linux_trad_target): Delete function.
(linux_nat_trad_target): New class.
* mips-linux-nat.c (mips_linux_nat_target): New class.
(super_fetch_registers, super_store_registers, super_close):
Delete.
(the_mips_linux_nat_target): New.
(mips64_linux_regsets_fetch_registers)
(mips64_linux_regsets_store_registers)
(mips64_linux_fetch_registers, mips64_linux_store_registers)
(mips_linux_register_u_offset, mips_linux_read_description)
(mips_linux_can_use_hw_breakpoint)
(mips_linux_stopped_by_watchpoint)
(mips_linux_stopped_data_address)
(mips_linux_region_ok_for_hw_watchpoint)
(mips_linux_insert_watchpoint, mips_linux_remove_watchpoint)
(mips_linux_close): Refactor as methods of mips_linux_nat.
(_initialize_mips_linux_nat): Adjust to C++ification.
* aix-thread.c (aix_thread_target): New class.
(aix_thread_ops): Now an aix_thread_target.
(aix_thread_detach, aix_thread_resume, aix_thread_wait)
(aix_thread_fetch_registers, aix_thread_store_registers)
(aix_thread_xfer_partial, aix_thread_mourn_inferior)
(aix_thread_thread_alive, aix_thread_pid_to_str)
(aix_thread_extra_thread_info, aix_thread_get_ada_task_ptid):
Refactor as methods of aix_thread_target.
(init_aix_thread_ops): Delete.
(_initialize_aix_thread): Remove references to init_aix_thread_ops
and complete_target_initialization.
* rs6000-nat.c (rs6000_xfer_shared_libraries): Delete.
(rs6000_nat_target): New class.
(the_rs6000_nat_target): New.
(rs6000_fetch_inferior_registers, rs6000_store_inferior_registers)
(rs6000_xfer_partial, rs6000_wait, rs6000_create_inferior)
(rs6000_xfer_shared_libraries): Refactor as rs6000_nat_target methods.
(super_create_inferior): Delete.
(_initialize_rs6000_nat): Adjust to C++ification.
* arm-linux-nat.c (arm_linux_nat_target): New class.
(the_arm_linux_nat_target): New.
(arm_linux_fetch_inferior_registers)
(arm_linux_store_inferior_registers, arm_linux_read_description)
(arm_linux_can_use_hw_breakpoint, arm_linux_insert_hw_breakpoint)
(arm_linux_remove_hw_breakpoint)
(arm_linux_region_ok_for_hw_watchpoint)
(arm_linux_insert_watchpoint, arm_linux_remove_watchpoint)
(arm_linux_stopped_data_address, arm_linux_stopped_by_watchpoint)
(arm_linux_watchpoint_addr_within_range): Refactor as methods of
arm_linux_nat_target.
(_initialize_arm_linux_nat): Adjust to C++ification.
* aarch64-linux-nat.c (aarch64_linux_nat_target): New class.
(the_aarch64_linux_nat_target): New.
(aarch64_linux_fetch_inferior_registers)
(aarch64_linux_store_inferior_registers)
(aarch64_linux_child_post_startup_inferior)
(aarch64_linux_read_description)
(aarch64_linux_can_use_hw_breakpoint)
(aarch64_linux_insert_hw_breakpoint)
(aarch64_linux_remove_hw_breakpoint)
(aarch64_linux_insert_watchpoint, aarch64_linux_remove_watchpoint)
(aarch64_linux_region_ok_for_hw_watchpoint)
(aarch64_linux_stopped_data_address)
(aarch64_linux_stopped_by_watchpoint)
(aarch64_linux_watchpoint_addr_within_range)
(aarch64_linux_can_do_single_step): Refactor as methods of
aarch64_linux_nat_target.
(super_post_startup_inferior): Delete.
(_initialize_aarch64_linux_nat): Adjust to C++ification.
* hppa-linux-nat.c (hppa_linux_nat_target): New class.
(the_hppa_linux_nat_target): New.
(hppa_linux_fetch_inferior_registers)
(hppa_linux_store_inferior_registers): Refactor as methods of
hppa_linux_nat_target.
(_initialize_hppa_linux_nat): Adjust to C++ification.
* ia64-linux-nat.c (ia64_linux_nat_target): New class.
(the_ia64_linux_nat_target): New.
(ia64_linux_insert_watchpoint, ia64_linux_remove_watchpoint)
(ia64_linux_stopped_data_address)
(ia64_linux_stopped_by_watchpoint, ia64_linux_fetch_registers)
(ia64_linux_store_registers, ia64_linux_xfer_partial): Refactor as
ia64_linux_nat_target methods.
(super_xfer_partial): Delete.
(_initialize_ia64_linux_nat): Adjust to C++ification.
* m32r-linux-nat.c (m32r_linux_nat_target): New class.
(the_m32r_linux_nat_target): New.
(m32r_linux_fetch_inferior_registers)
(m32r_linux_store_inferior_registers): Refactor as
m32r_linux_nat_target methods.
(_initialize_m32r_linux_nat): Adjust to C++ification.
* m68k-linux-nat.c (m68k_linux_nat_target): New class.
(the_m68k_linux_nat_target): New.
(m68k_linux_fetch_inferior_registers)
(m68k_linux_store_inferior_registers): Refactor as
m68k_linux_nat_target methods.
(_initialize_m68k_linux_nat): Adjust to C++ification.
* s390-linux-nat.c (s390_linux_nat_target): New class.
(the_s390_linux_nat_target): New.
(s390_linux_fetch_inferior_registers)
(s390_linux_store_inferior_registers, s390_stopped_by_watchpoint)
(s390_insert_watchpoint, s390_remove_watchpoint)
(s390_can_use_hw_breakpoint, s390_insert_hw_breakpoint)
(s390_remove_hw_breakpoint, s390_region_ok_for_hw_watchpoint)
(s390_auxv_parse, s390_read_description): Refactor as methods of
s390_linux_nat_target.
(_initialize_s390_nat): Adjust to C++ification.
* sparc-linux-nat.c (sparc_linux_nat_target): New class.
(the_sparc_linux_nat_target): New.
(_initialize_sparc_linux_nat): Adjust to C++ification.
* sparc-nat.c (sparc_fetch_inferior_registers)
(sparc_store_inferior_registers): Remove target_ops parameter.
* sparc-nat.h (sparc_fetch_inferior_registers)
(sparc_store_inferior_registers): Remove target_ops parameter.
* sparc64-linux-nat.c (sparc64_linux_nat_target): New class.
(the_sparc64_linux_nat_target): New.
(_initialize_sparc64_linux_nat): Adjust to C++ification.
* spu-linux-nat.c (spu_linux_nat_target): New class.
(the_spu_linux_nat_target): New.
(spu_child_post_startup_inferior, spu_child_post_attach)
(spu_child_wait, spu_fetch_inferior_registers)
(spu_store_inferior_registers, spu_xfer_partial)
(spu_can_use_hw_breakpoint): Refactor as spu_linux_nat_target
methods.
(_initialize_spu_nat): Adjust to C++ification.
* tilegx-linux-nat.c (tilegx_linux_nat_target): New class.
(the_tilegx_linux_nat_target): New.
(fetch_inferior_registers, store_inferior_registers):
Refactor as methods.
(_initialize_tile_linux_nat): Adjust to C++ification.
* xtensa-linux-nat.c (xtensa_linux_nat_target): New class.
(the_xtensa_linux_nat_target): New.
(xtensa_linux_fetch_inferior_registers)
(xtensa_linux_store_inferior_registers): Refactor as
xtensa_linux_nat_target methods.
(_initialize_xtensa_linux_nat): Adjust to C++ification.
* fbsd-nat.c (USE_SIGTRAP_SIGINFO): Delete.
(fbsd_pid_to_exec_file, fbsd_find_memory_regions)
(fbsd_find_memory_regions, fbsd_info_proc, fbsd_xfer_partial)
(fbsd_thread_alive, fbsd_pid_to_str, fbsd_thread_name)
(fbsd_update_thread_list, fbsd_resume, fbsd_wait)
(fbsd_stopped_by_sw_breakpoint)
(fbsd_supports_stopped_by_sw_breakpoint, fbsd_follow_fork)
(fbsd_insert_fork_catchpoint, fbsd_remove_fork_catchpoint)
(fbsd_insert_vfork_catchpoint, fbsd_remove_vfork_catchpoint)
(fbsd_post_startup_inferior, fbsd_post_attach)
(fbsd_insert_exec_catchpoint, fbsd_remove_exec_catchpoint)
(fbsd_set_syscall_catchpoint)
(super_xfer_partial, super_resume, super_wait)
(fbsd_supports_stopped_by_hw_breakpoint): Delete.
(fbsd_handle_debug_trap): Remove target_ops parameter.
(fbsd_nat_add_target): Delete.
* fbsd-nat.h: Include "inf-ptrace.h".
(fbsd_nat_add_target): Delete.
(USE_SIGTRAP_SIGINFO): Define.
(fbsd_nat_target): New class.
* amd64-bsd-nat.c (amd64bsd_fetch_inferior_registers)
(amd64bsd_store_inferior_registers): Remove target_ops parameter.
(amd64bsd_target): Delete.
* amd64-bsd-nat.h: New file.
* amd64-fbsd-nat.c: Include "amd64-bsd-nat.h" instead of
"x86-bsd-nat.h".
(amd64_fbsd_nat_target): New class.
(the_amd64_fbsd_nat_target): New.
(amd64fbsd_read_description): Refactor as method of
amd64_fbsd_nat_target.
(amd64_fbsd_nat_target::supports_stopped_by_hw_breakpoint): New.
(_initialize_amd64fbsd_nat): Adjust to C++ification.
* amd64-nat.h (amd64bsd_target): Delete function declaration.
* i386-bsd-nat.c (i386bsd_fetch_inferior_registers)
(i386bsd_store_inferior_registers): Remove target_ops parameter.
(i386bsd_target): Delete.
* i386-bsd-nat.h (i386bsd_target): Delete function declaration.
(i386bsd_fetch_inferior_registers)
(i386bsd_store_inferior_registers): Declare.
(i386_bsd_nat_target): New class.
* i386-fbsd-nat.c (i386_fbsd_nat_target): New class.
(the_i386_fbsd_nat_target): New.
(i386fbsd_resume, i386fbsd_read_description): Refactor as
i386_fbsd_nat_target methods.
(i386_fbsd_nat_target::supports_stopped_by_hw_breakpoint): New.
(_initialize_i386fbsd_nat): Adjust to C++ification.
* x86-bsd-nat.c (super_mourn_inferior): Delete.
(x86bsd_mourn_inferior, x86bsd_target): Delete.
(_initialize_x86_bsd_nat): Adjust to C++ification.
* x86-bsd-nat.h: Include "x86-nat.h".
(x86bsd_target): Delete declaration.
(x86bsd_nat_target): New class.
* aarch64-fbsd-nat.c (aarch64_fbsd_nat_target): New class.
(the_aarch64_fbsd_nat_target): New.
(aarch64_fbsd_fetch_inferior_registers)
(aarch64_fbsd_store_inferior_registers): Refactor as methods of
aarch64_fbsd_nat_target.
(_initialize_aarch64_fbsd_nat): Adjust to C++ification.
* alpha-bsd-nat.c (alpha_bsd_nat_target): New class.
(the_alpha_bsd_nat_target): New.
(alphabsd_fetch_inferior_registers)
(alphabsd_store_inferior_registers): Refactor as
alpha_bsd_nat_target methods.
(_initialize_alphabsd_nat): Refactor as methods of
alpha_bsd_nat_target.
* amd64-nbsd-nat.c: Include "amd64-bsd-nat.h".
(the_amd64_nbsd_nat_target): New.
(_initialize_amd64nbsd_nat): Adjust to C++ification.
* amd64-obsd-nat.c: Include "amd64-bsd-nat.h".
(the_amd64_obsd_nat_target): New.
(_initialize_amd64obsd_nat): Adjust to C++ification.
* arm-fbsd-nat.c (arm_fbsd_nat_target): New.
(the_arm_fbsd_nat_target): New.
(arm_fbsd_fetch_inferior_registers)
(arm_fbsd_store_inferior_registers, arm_fbsd_read_description):
(_initialize_arm_fbsd_nat): Refactor as methods of
arm_fbsd_nat_target.
(_initialize_arm_fbsd_nat): Adjust to C++ification.
* arm-nbsd-nat.c (arm_netbsd_nat_target): New class.
(the_arm_netbsd_nat_target): New.
(armnbsd_fetch_registers, armnbsd_store_registers): Refactor as
arm_netbsd_nat_target.
(_initialize_arm_netbsd_nat): Adjust to C++ification.
* hppa-nbsd-nat.c (hppa_nbsd_nat_target): New class.
(the_hppa_nbsd_nat_target): New.
(hppanbsd_fetch_registers, hppanbsd_store_registers): Refactor as
hppa_nbsd_nat_target methods.
(_initialize_hppanbsd_nat): Adjust to C++ification.
* hppa-obsd-nat.c (hppa_obsd_nat_target): New class.
(the_hppa_obsd_nat_target): New.
(hppaobsd_fetch_registers, hppaobsd_store_registers): Refactor as
methods of hppa_obsd_nat_target.
(_initialize_hppaobsd_nat): Adjust to C++ification. Use
add_target.
* i386-nbsd-nat.c (the_i386_nbsd_nat_target): New.
(_initialize_i386nbsd_nat): Adjust to C++ification. Use
add_target.
* i386-obsd-nat.c (the_i386_obsd_nat_target): New.
(_initialize_i386obsd_nat): Use add_target.
* m68k-bsd-nat.c (m68k_bsd_nat_target): New class.
(the_m68k_bsd_nat_target): New.
(m68kbsd_fetch_inferior_registers)
(m68kbsd_store_inferior_registers): Refactor as methods of
m68k_bsd_nat_target.
(_initialize_m68kbsd_nat): Adjust to C++ification.
* mips-fbsd-nat.c (mips_fbsd_nat_target): New class.
(the_mips_fbsd_nat_target): New.
(mips_fbsd_fetch_inferior_registers)
(mips_fbsd_store_inferior_registers): Refactor as methods of
mips_fbsd_nat_target.
(_initialize_mips_fbsd_nat): Adjust to C++ification. Use
add_target.
* mips-nbsd-nat.c (mips_nbsd_nat_target): New class.
(the_mips_nbsd_nat_target): New.
(mipsnbsd_fetch_inferior_registers)
(mipsnbsd_store_inferior_registers): Refactor as methods of
mips_nbsd_nat_target.
(_initialize_mipsnbsd_nat): Adjust to C++ification.
* mips64-obsd-nat.c (mips64_obsd_nat_target): New class.
(the_mips64_obsd_nat_target): New.
(mips64obsd_fetch_inferior_registers)
(mips64obsd_store_inferior_registers): Refactor as methods of
mips64_obsd_nat_target.
(_initialize_mips64obsd_nat): Adjust to C++ification. Use
add_target.
* nbsd-nat.c (nbsd_pid_to_exec_file): Refactor as method of
nbsd_nat_target.
* nbsd-nat.h: Include "inf-ptrace.h".
(nbsd_nat_target): New class.
* obsd-nat.c (obsd_pid_to_str, obsd_update_thread_list)
(obsd_wait): Refactor as methods of obsd_nat_target.
(obsd_add_target): Delete.
* obsd-nat.h: Include "inf-ptrace.h".
(obsd_nat_target): New class.
* ppc-fbsd-nat.c (ppc_fbsd_nat_target): New class.
(the_ppc_fbsd_nat_target): New.
(ppcfbsd_fetch_inferior_registers)
(ppcfbsd_store_inferior_registers): Refactor as methods of
ppc_fbsd_nat_target.
(_initialize_ppcfbsd_nat): Adjust to C++ification. Use
add_target.
* ppc-nbsd-nat.c (ppc_nbsd_nat_target): New class.
(the_ppc_nbsd_nat_target): New.
(ppcnbsd_fetch_inferior_registers)
(ppcnbsd_store_inferior_registers): Refactor as methods of
ppc_nbsd_nat_target.
(_initialize_ppcnbsd_nat): Adjust to C++ification.
* ppc-obsd-nat.c (ppc_obsd_nat_target): New class.
(the_ppc_obsd_nat_target): New.
(ppcobsd_fetch_registers, ppcobsd_store_registers): Refactor as
methods of ppc_obsd_nat_target.
(_initialize_ppcobsd_nat): Adjust to C++ification. Use
add_target.
* sh-nbsd-nat.c (sh_nbsd_nat_target): New class.
(the_sh_nbsd_nat_target): New.
(shnbsd_fetch_inferior_registers)
(shnbsd_store_inferior_registers): Refactor as methods of
sh_nbsd_nat_target.
(_initialize_shnbsd_nat): Adjust to C++ification.
* sparc-nat.c (sparc_xfer_wcookie): Make extern.
(inf_ptrace_xfer_partial): Delete.
(sparc_xfer_partial, sparc_target): Delete.
* sparc-nat.h (sparc_fetch_inferior_registers)
(sparc_store_inferior_registers, sparc_xfer_wcookie): Declare.
(sparc_target): Delete function declaration.
(sparc_target): New template class.
* sparc-nbsd-nat.c (the_sparc_nbsd_nat_target): New.
(_initialize_sparcnbsd_nat): Adjust to C++ification.
* sparc64-fbsd-nat.c (the_sparc64_fbsd_nat_target): New.
(_initialize_sparc64fbsd_nat): Adjust to C++ification. Use
add_target.
* sparc64-nbsd-nat.c (the_sparc64_nbsd_nat_target): New.
(_initialize_sparc64nbsd_nat): Adjust to C++ification.
* sparc64-obsd-nat.c (the_sparc64_obsd_nat_target): New.
(_initialize_sparc64obsd_nat): Adjust to C++ification. Use
add_target.
* vax-bsd-nat.c (vax_bsd_nat_target): New class.
(the_vax_bsd_nat_target): New.
(vaxbsd_fetch_inferior_registers)
(vaxbsd_store_inferior_registers): Refactor as vax_bsd_nat_target
methods.
(_initialize_vaxbsd_nat): Adjust to C++ification.
* bsd-kvm.c (bsd_kvm_target): New class.
(bsd_kvm_ops): Now a bsd_kvm_target.
(bsd_kvm_open, bsd_kvm_close, bsd_kvm_xfer_partial)
(bsd_kvm_files_info, bsd_kvm_fetch_registers)
(bsd_kvm_thread_alive, bsd_kvm_pid_to_str): Refactor as methods of
bsd_kvm_target.
(bsd_kvm_return_one): Delete.
(bsd_kvm_add_target): Adjust to C++ification.
* nto-procfs.c (nto_procfs_target, nto_procfs_target_native)
(nto_procfs_target_procfs): New classes.
(procfs_open_1, procfs_thread_alive, procfs_update_thread_list)
(procfs_files_info, procfs_pid_to_exec_file, procfs_attach)
(procfs_post_attach, procfs_wait, procfs_fetch_registers)
(procfs_xfer_partial, procfs_detach, procfs_insert_breakpoint)
(procfs_remove_breakpoint, procfs_insert_hw_breakpoint)
(procfs_remove_hw_breakpoint, procfs_resume)
(procfs_mourn_inferior, procfs_create_inferior, procfs_interrupt)
(procfs_kill_inferior, procfs_store_registers)
(procfs_pass_signals, procfs_pid_to_str, procfs_can_run): Refactor
as methods of nto_procfs_target.
(nto_procfs_ops): Now an nto_procfs_target_procfs.
(nto_native_ops): Delete.
(procfs_open, procfs_native_open): Delete.
(nto_native_ops): Now an nto_procfs_target_native.
(init_procfs_targets): Adjust to C++ification.
(procfs_can_use_hw_breakpoint, procfs_remove_hw_watchpoint)
(procfs_insert_hw_watchpoint, procfs_stopped_by_watchpoint):
Refactor as methods of nto_procfs_target.
* go32-nat.c (go32_nat_target): New class.
(the_go32_nat_target): New.
(go32_attach, go32_resume, go32_wait, go32_fetch_registers)
(go32_store_registers, go32_xfer_partial, go32_files_info)
(go32_kill_inferior, go32_create_inferior, go32_mourn_inferior)
(go32_terminal_init, go32_terminal_info, go32_terminal_inferior)
(go32_terminal_ours, go32_pass_ctrlc, go32_thread_alive)
(go32_pid_to_str): Refactor as methods of go32_nat_target.
(go32_target): Delete.
(_initialize_go32_nat): Adjust to C++ification.
* gnu-nat.c (gnu_wait, gnu_resume, gnu_kill_inferior)
(gnu_mourn_inferior, gnu_create_inferior, gnu_attach, gnu_detach)
(gnu_stop, gnu_thread_alive, gnu_xfer_partial)
(gnu_find_memory_regions, gnu_pid_to_str): Refactor as methods of
gnu_nat_target.
(gnu_target): Delete.
* gnu-nat.h (gnu_target): Delete.
(gnu_nat_target): New class.
* i386-gnu-nat.c (gnu_base_target): New.
(i386_gnu_nat_target): New class.
(the_i386_gnu_nat_target): New.
(_initialize_i386gnu_nat): Adjust to C++ification.
gdb/testsuite/ChangeLog:
2018-05-02 Pedro Alves <palves@redhat.com>
* gdb.base/breakpoint-in-ro-region.exp: Adjust to to_resume and
to_log_command renames.
* gdb.base/sss-bp-on-user-bp-2.exp: Likewise.
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Use the signal code from siginfo_t to distinguish SIGTRAP events due
to trace traps (TRAP_TRACE) and software breakpoints (TRAP_BRKPT).
For software breakpoints, adjust the PC when the event is reported as
part of the API when supplying "stopped_by_sw_breakpoint". Currently
FreeBSD only supports hardware watchpoints and breakpoints on x86
which are reported as trace traps. Signal information is not used on
MIPS and sparc64 kernels which do not reliably report TRAP_BRKPT for
software breakpoints.
gdb/ChangeLog:
* fbsd-nat.c: Include "inf-ptrace.h".
(USE_SIGTRAP_SIGINFO): Conditionally define.
[USE_SIGTRAP_SIGINFO] (fbsd_handle_debug_trap): New function.
(fbsd_wait) [USE_SIGTRAP_SIGINFO]: Call "fbsd_handle_debug_trap".
[USE_SIGTRAP_SIGINFO] (fbsd_stopped_by_sw_breakpoint): New
function.
[USE_SIGTRAP_SIGINFO] (fbsd_supports_stopped_by_sw_breakpoint):
Likewise.
[USE_SIGTRAP_SIGINFO] (fbsd_supports_stopped_by_hw_breakpoint):
Likewise.
(fbsd_nat_add_target) [USE_SIGTRAP_SIGINFO]: Set
"stopped_by_sw_breakpoint", "supports_stopped_by_sw_breakpoint",
"supports_stopped_by_hw_breakpoint" target methods.
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For now this just logs information about the state of the current LWP
for each STOPPED event in fbsd_wait().
gdb/ChangeLog:
* NEWS (Changes since GDB 8.1): Add "set/show debug fbsd-nat".
* fbsd-nat.c (debug_fbsd_nat): New variable.
(show_fbsd_nat_debug): New function.
(fbsd_wait): Log LWP info if "debug_fbsd_nat" is enabled.
(_initialize_fbsd_nat): Add "fbsd-nat" debug boolean command.
gdb/doc/ChangeLog:
* gdb.texinfo (Debugging Output): Document "set/show debug
fbsd-nat".
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When multiple threads within a process wish to report STOPPED events
from wait(), the kernel picks one thread event as the thread event to
report. The chosen thread event is retrieved via PT_LWPINFO by
passing the process ID as the request pid. If multiple events are
pending, then the subsequent wait() after resuming a process will
report another STOPPED event after resuming the process to handle the
next thread event and so on.
A single thread event is cleared as a side effect of resuming the
process with PT_CONTINUE, PT_STEP, etc. In older kernels, however,
the request pid was used to select which thread's event was cleared
rather than always clearing the event that was just reported. To
avoid clearing the event of the wrong LWP, always pass the process ID
instead of an LWP ID to PT_CONTINUE or PT_SYSCALL.
In the case of stepping, the process ID cannot be used with PT_STEP
since it would step the thread that reported an event which may not be
the thread indicated by PTID. For stepping, use PT_SETSTEP to enable
stepping on the desired thread before resuming the process via
PT_CONTINUE instead of using PT_STEP.
This manifested as a failure in the
gdb.threads/continue-pending-status.exp test. Specifically, if thread
2 reported a breakpoint and the test thus switched to thread 3 before
continuing, thread 3's event (if any) was discarded and thread 2's
breakpoint remained pending and was reported a second time as a
duplicate event. As a result, the PC was decremented twice for the
same breakpoint resulting in an illegal instruction fault on x86.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_resume): Use PT_SETSTEP for stepping and a
wildcard process pid for super_resume for kernels with a
specific bug.
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- Command line arguments are fetched via the kern.proc.args.<pid>
sysctl.
- The 'cwd' and 'exe' values are obtained from the per-process
file descriptor table returned by kinfo_getfile() from libutil.
- 'mappings' is implemented by walking the array of VM map entries
returned by kinfo_getvmmap() from libutil.
- 'status' output is generated by outputting fields from the structure
returned by the kern.proc.pid.<pid> sysctl.
- 'stat' is aliased to 'status'.
gdb/ChangeLog:
* configure.ac: Check for kinfo_getfile in libutil.
* configure: Regenerate.
* config.in: Regenerate.
* fbsd-nat.c: Include "fbsd-tdep.h".
(fbsd_fetch_cmdline): New.
(fbsd_fetch_kinfo_proc): Move earlier and change to return a bool
rather than calling error.
(fbsd_info_proc): New.
(fbsd_thread_name): Report error if fbsd_fetch_kinfo_proc fails.
(fbsd_wait): Report warning if fbsd_fetch_kinfo_proc fails.
(fbsd_nat_add_target): Set "to_info_proc" to "fbsd_info_proc".
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Since xfree() always wraps free(), it is safe to use the xfree deleter
for buffers allocated by library routines such as kinfo_getvmmap() that
must be released via free().
gdb/ChangeLog:
* fbsd-nat.c (struct free_deleter): Remove.
(fbsd_find_memory_regions): Use gdb::unique_xmalloc_ptr<>.
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For processes without an associated executable (such as kernel processes),
the kern.proc.pathname.<pid> system control node returns a length of zero
without modifying the user's buffer. Detect this case and return NULL
rather than the previous contents of the static buffer 'buf'.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_pid_to_exec_file) [KERN_PROC_PATHNAME]: Return
NULL for an empty pathname.
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