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| author | Ulrich Drepper <drepper@redhat.com> | 2005-12-18 06:58:22 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-12-18 06:58:22 +0000 |
| commit | 827b70873b41363c864fb65e99829204595d0f85 (patch) | |
| tree | 5d2e3811b6b0da44f18a7c8920dffdc524e3cd66 /sysdeps/i386/bsd-setjmp.S | |
| parent | 8292f6fc71a60e92a23be053c500f504c6802c54 (diff) | |
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* elf/Versions [GLIBC_PRIVATE]: Export __pointer_chk_guard if defined.
* elf/rtld.c: Define __pointer_chk_guard_local and if necessary
__pointer_chk_guard.
(_rtld_global_ro): Initialize _dl_pointer_guard.
(dl_main): Initialize __pointer_chk_guard_local and either
__pointer_chk_guard or TLS value if necessary.
(process_envvars): Recognize and handle LD_POINTER_GUARD.
* sysdeps/generic/ldsodefs.h (rtld_global_ro): Add _dl_pointer_guard.
* sysdeps/i386/__longjmp.S: Use PTR_DEMANGLE for PC if defined.
* sysdeps/x86_64/__longjmp.S: Likewise.
* sysdeps/i386/bsd-_setjmp.S: Use PTR_MANGLE for PC if defined.
* sysdeps/i386/bsd-_setjmp.S: Likewise.
* sysdeps/i386/setjmp.S: Likewise.
[IS_IN_rtld]: Avoid call to __sigjmp_save.
* sysdeps/i386/setjmp.S: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Define PTR_MANGLE and
PTR_DEMANGLE.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
* sysdeps/i386/elf/setjmp.S: Removed.
* sysdeps/i386/elf/bsd-setjmp.S: Removed.
Diffstat (limited to 'sysdeps/i386/bsd-setjmp.S')
| -rw-r--r-- | sysdeps/i386/bsd-setjmp.S | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sysdeps/i386/bsd-setjmp.S b/sysdeps/i386/bsd-setjmp.S index b6934dc548..f4257a0dc5 100644 --- a/sysdeps/i386/bsd-setjmp.S +++ b/sysdeps/i386/bsd-setjmp.S @@ -28,6 +28,10 @@ #include "bp-sym.h" #include "bp-asm.h" +#define PARMS LINKAGE /* no space for saved regs */ +#define JMPBUF PARMS +#define SIGMSK JMPBUF+PTR_SIZE + ENTRY (BP_SYM (setjmp)) /* Note that we have to use a non-exported symbol in the next jump since otherwise gas will emit it as a jump through the @@ -44,6 +48,9 @@ ENTRY (BP_SYM (setjmp)) leal JMPBUF(%esp), %ecx /* Save SP as it will be after we return. */ movl %ecx, (JB_SP*4)(%eax) movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */ +#ifdef PTR_MANGLE + PTR_MANGLE (%ecx) +#endif movl %ecx, (JB_PC*4)(%eax) LEAVE /* pop frame pointer to prepare for tail-call. */ movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer. */ |