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authoramodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4>2005-06-01 00:30:26 +0000
committeramodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4>2005-06-01 00:30:26 +0000
commit197f58fac938c5c4478231d8003942e89c1a439e (patch)
treea43884596f7b3725ff1193f949aede640e008d89 /gcc/config.gcc
parent0663398065295b8b03266c3f4a1df130d6bdf712 (diff)
downloadgcc-197f58fac938c5c4478231d8003942e89c1a439e.tar.gz
* configure.ac: Add --enable-secureplt.
(HAVE_AS_REL16): Test for R_PPC_REL16 relocs. * config.in: Regenerate. * configure: Regenerate. * config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add rs6000/secureplt.h to tm_file when enable_secureplt. * doc/invoke.texi (msecure-plt, mbss-plt): Document. * doc/install.texi: Document --enable-targets and --enable-secureplt. Correct xrefs to "Using the GNU Compiler Collection (GCC)". * config/rs6000/secureplt.h: New file. * config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define. (SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without assembler support. (CC1_SECURE_PLT_DEFAULT_SPEC): Define. (CC1_SPEC): Delete duplicate mno-sdata. Invoke cc1_secure_plt_default. (SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default. * config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options. * config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define. * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle TARGET_SECURE_PLT got register load sequence. (rs6000_emit_prologue): Call rs6000_emit_load_toc_table when TARGET_SECURE_PLT. (rs6000_elf_declare_function_name): Don't emit toc address offset word when TARGET_SECURE_PLT. * config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*. (load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT. (load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns. (call, call_value): Mark pic_offset_table_rtx used for sysv pic and TARGET_SECURE_PLT. (call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT and -fPIC. * config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31". (__trampoline_setup): Likewise. Init r30 before plt call. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100415 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config.gcc')
-rw-r--r--gcc/config.gcc6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/config.gcc b/gcc/config.gcc
index ea3a49c871c..a379fca6042 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1581,6 +1581,9 @@ powerpc64-*-linux*)
test x$with_cpu != x || cpu_is_64bit=yes
test x$cpu_is_64bit != xyes || tm_file="${tm_file} rs6000/default64.h"
tm_file="rs6000/biarch64.h ${tm_file} rs6000/linux64.h"
+ if test x${enable_secureplt} = xyes; then
+ tm_file="rs6000/secureplt.h ${tm_file}"
+ fi
extra_options="${extra_options} rs6000/sysv4.opt rs6000/linux64.opt"
tmake_file="rs6000/t-fprules ${tmake_file} rs6000/t-ppccomm rs6000/t-linux64"
;;
@@ -1690,6 +1693,9 @@ powerpc-*-linux*)
tm_file="${tm_file} rs6000/linux.h"
;;
esac
+ if test x${enable_secureplt} = xyes; then
+ tm_file="rs6000/secureplt.h ${tm_file}"
+ fi
;;
powerpc-*-gnu-gnualtivec*)
tm_file="${cpu_type}/${cpu_type}.h elfos.h svr4.h freebsd-spec.h gnu.h rs6000/sysv4.h rs6000/linux.h rs6000/linuxaltivec.h rs6000/gnu.h"