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authorUlrich Drepper <drepper@redhat.com>2005-06-26 18:14:26 +0000
committerUlrich Drepper <drepper@redhat.com>2005-06-26 18:14:26 +0000
commit35f1e82763326f196fd068e92343643d8ed54ee3 (patch)
tree74c6d155ca2e7c32503231b8ce186a0752bc924b /configure
parent2f37117b013f77df863b198c3408555c49596174 (diff)
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* 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 'configure')
-rwxr-xr-xconfigure17
1 files changed, 17 insertions, 0 deletions
diff --git a/configure b/configure
index 8c978e7..402da46 100755
--- a/configure
+++ b/configure
@@ -873,6 +873,9 @@ Optional Features:
objects [default=yes if supported]
--enable-oldest-abi=ABI configure the oldest ABI supported [e.g. 2.2]
[default=glibc default]
+ --enable-stackguard-randomization
+ initialize __stack_chk_guard canary with a random
+ number at program start
--enable-add-ons[=DIRS...]
configure and build add-ons in DIR1,DIR2,... search
for add-ons if no parameter given
@@ -1597,6 +1600,20 @@ _ACEOF
fi
+# Check whether --enable-stackguard-randomization or --disable-stackguard-randomization was given.
+if test "${enable_stackguard_randomization+set}" = set; then
+ enableval="$enable_stackguard_randomization"
+ enable_stackguard_randomize=$enableval
+else
+ enable_stackguard_randomize=no
+fi;
+if test "$enable_stackguard_randomize" = yes; then
+ cat >>confdefs.h <<\_ACEOF
+#define ENABLE_STACKGUARD_RANDOMIZE 1
+_ACEOF
+
+fi
+
# Check whether --enable-add-ons or --disable-add-ons was given.
if test "${enable_add_ons+set}" = set; then
enableval="$enable_add_ons"