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* Versions.def (ld): Add GLIBC_2.4.

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* 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.
This commit is contained in:
Ulrich Drepper
2005-06-26 18:14:26 +00:00
parent 2f37117b01
commit 35f1e82763
28 changed files with 738 additions and 51 deletions
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5
nptl/pthread_create.c
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@ -399,6 +399,11 @@ __pthread_create_2_1 (newthread, attr, start_routine, arg)
pd->schedpolicy = self->schedpolicy;
pd->schedparam = self->schedparam;
/* Copy the stack guard canary. */
#ifdef THREAD_COPY_STACK_GUARD
THREAD_COPY_STACK_GUARD (pd);
#endif
/* Determine scheduling parameters for the thread. */
if (attr != NULL
&& __builtin_expect ((iattr->flags & ATTR_FLAG_NOTINHERITSCHED) != 0, 0)