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| author | Ulrich Drepper <drepper@redhat.com> | 2005-06-26 18:14:26 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-06-26 18:14:26 +0000 |
| commit | 35f1e82763326f196fd068e92343643d8ed54ee3 (patch) | |
| tree | 74c6d155ca2e7c32503231b8ce186a0752bc924b /nptl/sysdeps/s390 | |
| parent | 2f37117b013f77df863b198c3408555c49596174 (diff) | |
| download | glibc-35f1e82763326f196fd068e92343643d8ed54ee3.tar.gz glibc-35f1e82763326f196fd068e92343643d8ed54ee3.tar.xz glibc-35f1e82763326f196fd068e92343643d8ed54ee3.zip | |
* Versions.def (ld): Add GLIBC_2.4.
* configure.in: Add --enable-stackguard-randomization option.
(ENABLE_STACKGUARD_RANDOMIZE): New define.
* config.h.in (ENABLE_STACKGUARD_RANDOMIZE): Add.
* sysdeps/unix/sysv/linux/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* sysdeps/generic/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* elf/rtld.c (__stack_chk_guard): New variable.
(dl_main): Remove all traces of TLS_INIT_TP_EXPENSIVE.
Set __stack_chk_guard to _dl_setup_stack_chk_guard (),
use THREAD_SET_STACK_GUARD if defined.
* elf/Versions (ld): Export __stack_chk_guard@@GLIBC_2.4.
* sysdeps/generic/libc-start.c (__stack_chk_guard): New variable.
(__libc_start_main): Set __stack_chk_guard to
_dl_setup_stack_chk_guard (), use THREAD_SET_STACK_GUARD if defined.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Remove all
traces of TLS_INIT_TP_EXPENSIVE.
* debug/Versions (libc): Export __stack_chk_fail@@GLIBC_2.4.
* debug/Makefile (routines): Add stack_chk_fail.
(static-only-routines): Add stack_chk_fail_local.
* debug/stack_chk_fail_local.c: New file.
* debug/stack_chk_fail.c: New file.
* elf/Makefile: Add rules to build and run tst-stackguard1{,-static}
tests.
* elf/tst-stackguard1.c: New file.
* elf/tst-stackguard1-static.c: New file.
* elf/stackguard-macros.h: New file.
Diffstat (limited to 'nptl/sysdeps/s390')
| -rw-r--r-- | nptl/sysdeps/s390/tls.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/nptl/sysdeps/s390/tls.h b/nptl/sysdeps/s390/tls.h index 060dde39df..f90b35b1e5 100644 --- a/nptl/sysdeps/s390/tls.h +++ b/nptl/sysdeps/s390/tls.h @@ -48,9 +48,8 @@ typedef struct dtv_t *dtv; void *self; /* Pointer to the thread descriptor. */ int multiple_threads; -# ifdef NEED_DL_SYSINFO uintptr_t sysinfo; -# endif + uintptr_t stack_guard; } tcbhead_t; # ifndef __s390x__ @@ -158,6 +157,13 @@ typedef struct #define THREAD_SETMEM_NC(descr, member, idx, value) \ descr->member[idx] = (value) +/* Set the stack guard field in TCB head. */ +#define THREAD_SET_STACK_GUARD(value) \ + THREAD_SETMEM (THREAD_SELF, header.stack_guard, value) +#define THREAD_COPY_STACK_GUARD(descr) \ + ((descr)->header.stack_guard \ + = THREAD_GETMEM (THREAD_SELF, header.stack_guard)) + #endif /* __ASSEMBLER__ */ #endif /* tls.h */ |