summaryrefslogtreecommitdiff
path: root/gdb/i386bsd-tdep.c
diff options
context:
space:
mode:
authorDavid Carlton <carlton@bactrian.org>2003-11-11 23:51:22 +0000
committerDavid Carlton <carlton@bactrian.org>2003-11-11 23:51:22 +0000
commit7c27792d1bb9f44a9d2af04d57796d08cdc683ee (patch)
tree3c24bd0c46542b052307c376aacd1f853ba124ac /gdb/i386bsd-tdep.c
parent268f0da1a4cafdff391f1c140a62ad7e750b6863 (diff)
downloadgdb-7c27792d1bb9f44a9d2af04d57796d08cdc683ee.tar.gz
2003-11-11 David Carlton <carlton@kealia.com>
* Merge with mainline; tag is carlton-dictionary-20031111-merge.
Diffstat (limited to 'gdb/i386bsd-tdep.c')
-rw-r--r--gdb/i386bsd-tdep.c107
1 files changed, 3 insertions, 104 deletions
diff --git a/gdb/i386bsd-tdep.c b/gdb/i386bsd-tdep.c
index 94d68600fee..80739cf572d 100644
--- a/gdb/i386bsd-tdep.c
+++ b/gdb/i386bsd-tdep.c
@@ -1,4 +1,5 @@
/* Target-dependent code for i386 BSD's.
+
Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GDB.
@@ -86,7 +87,7 @@ i386bsd_aout_in_solib_call_trampoline (CORE_ADDR pc, char *name)
/* Traditional BSD (4.3 BSD, still used for BSDI and 386BSD). */
/* From <machine/signal.h>. */
-int i386bsd_sc_reg_offset[I386_NUM_GREGS] =
+int i386bsd_sc_reg_offset[] =
{
-1, /* %eax */
-1, /* %ecx */
@@ -127,104 +128,7 @@ i386bsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
tdep->sigtramp_end = 0xfdbfe000;
tdep->sigcontext_addr = i386bsd_sigcontext_addr;
tdep->sc_reg_offset = i386bsd_sc_reg_offset;
- tdep->sc_num_regs = I386_NUM_GREGS;
-}
-
-/* FreeBSD 3.0-RELEASE or later. */
-
-CORE_ADDR i386fbsd_sigtramp_start = 0xbfbfdf20;
-CORE_ADDR i386fbsd_sigtramp_end = 0xbfbfdff0;
-
-/* From <machine/signal.h>. */
-int i386fbsd_sc_reg_offset[I386_NUM_GREGS] =
-{
- 8 + 14 * 4, /* %eax */
- 8 + 13 * 4, /* %ecx */
- 8 + 12 * 4, /* %edx */
- 8 + 11 * 4, /* %ebx */
- 8 + 0 * 4, /* %esp */
- 8 + 1 * 4, /* %ebp */
- 8 + 10 * 4, /* %esi */
- 8 + 9 * 4, /* %edi */
- 8 + 3 * 4, /* %eip */
- 8 + 4 * 4, /* %eflags */
- 8 + 7 * 4, /* %cs */
- 8 + 8 * 4, /* %ss */
- 8 + 6 * 4, /* %ds */
- 8 + 5 * 4, /* %es */
- 8 + 15 * 4, /* %fs */
- 8 + 16 * 4 /* %gs */
-};
-
-static void
-i386fbsdaout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
- /* Obviously FreeBSD is BSD-based. */
- i386bsd_init_abi (info, gdbarch);
-
- /* FreeBSD uses -freg-struct-return by default. */
- tdep->struct_return = reg_struct_return;
-
- /* FreeBSD uses a different memory layout. */
- tdep->sigtramp_start = i386fbsd_sigtramp_start;
- tdep->sigtramp_end = i386fbsd_sigtramp_end;
-
- /* FreeBSD has a more complete `struct sigcontext'. */
- tdep->sc_reg_offset = i386fbsd_sc_reg_offset;
- tdep->sc_num_regs = I386_NUM_GREGS;
-}
-
-static void
-i386fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
-{
- /* It's almost identical to FreeBSD a.out. */
- i386fbsdaout_init_abi (info, gdbarch);
-
- /* Except that it uses ELF. */
- i386_elf_init_abi (info, gdbarch);
-
- /* FreeBSD ELF uses SVR4-style shared libraries. */
- set_gdbarch_in_solib_call_trampoline (gdbarch,
- generic_in_solib_call_trampoline);
-}
-
-/* FreeBSD 4.0-RELEASE or later. */
-
-/* From <machine/signal.h>. */
-int i386fbsd4_sc_reg_offset[I386_NUM_GREGS] =
-{
- 20 + 11 * 4, /* %eax */
- 20 + 10 * 4, /* %ecx */
- 20 + 9 * 4, /* %edx */
- 20 + 8 * 4, /* %ebx */
- 20 + 17 * 4, /* %esp */
- 20 + 6 * 4, /* %ebp */
- 20 + 5 * 4, /* %esi */
- 20 + 4 * 4, /* %edi */
- 20 + 14 * 4, /* %eip */
- 20 + 16 * 4, /* %eflags */
- 20 + 15 * 4, /* %cs */
- 20 + 18 * 4, /* %ss */
- 20 + 3 * 4, /* %ds */
- 20 + 2 * 4, /* %es */
- 20 + 1 * 4, /* %fs */
- 20 + 0 * 4 /* %gs */
-};
-
-static void
-i386fbsd4_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
- /* Inherit stuff from older releases. We assume that FreeBSD
- 4.0-RELEASE always uses ELF. */
- i386fbsd_init_abi (info, gdbarch);
-
- /* FreeBSD 4.0 introduced a new `struct sigcontext'. */
- tdep->sc_reg_offset = i386fbsd4_sc_reg_offset;
- tdep->sc_num_regs = I386_NUM_GREGS;
+ tdep->sc_num_regs = ARRAY_SIZE (i386bsd_sc_reg_offset);
}
@@ -249,9 +153,4 @@ _initialize_i386bsd_tdep (void)
{
gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_aout_flavour,
i386bsd_aout_osabi_sniffer);
-
- gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_FREEBSD_AOUT,
- i386fbsdaout_init_abi);
- gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_FREEBSD_ELF,
- i386fbsd4_init_abi);
}