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* * sysdeps/generic/dl-osinfo.h (_dl_setup_stack_chk_guard): UseUlrich Drepper2009-01-301-2/+21
| | | | | memcpy instead of memcmp. (_dl_setup_pointer_guard): Likewise.
* * sysdeps/generic/dl-osinfo.h (_dl_setup_stack_chk_guard): TakeUlrich Drepper2009-01-111-6/+23
| | | | | | | | | | | | | | | | | | | one parameter. If non-NULL use it to initialize return value. (_dl_setup_pointer_guard): New function. * sysdeps/unix/sysv/linux/dl-osinfo.h: Likewise. * sysdeps/generic/ldsodefs.h: Declare _dl_random. * elf/rtld.c (security_init): Pass _dl_random to _dl_setup_stack_chk_guard. Call _dl_setup_pointer_guard to initialize pointer_chk_guard. * elf/dl-sysdep.c (_dl_random): New variable. (_dl_sysdep_start): Handle AT_RANDOM. (_dl_show_auxv): Likewise. * elf/dl-support.c (_dl_random): New variable. (_dl_aux_init): Handle AT_RANDOM. * csu/libc-start.c [!SHARED] (libc_start_main): Pass _dl_random to _dl_setup_stack_chk_guard. * elf/elf.h (AT_RANDOM): Define AT_BASE_PLATFORM and AT_RANDOM.
* * Versions.def (ld): Add GLIBC_2.4.Ulrich Drepper2005-06-261-1/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.Ulrich Drepper2004-12-221-12/+1
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* 2.5-18.1Jakub Jelinek2007-07-121-1/+12
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* Update.Ulrich Drepper2000-08-221-0/+1
* elf/Makefile (distribute): Add dl-osinfo.h. * sysdeps/generic/dl-osinfo.h: New file. * sysdeps/unix/sysv/linux/dl-osinfo.h: New file. * sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Use DL_SYSDEP_OSCHECK if defined. * sysdeps/unix/sysv/linux/init-first.c: Perform kernel version test only for !SHARED case. Get the code from dl-osinfo.h.