diff options
Diffstat (limited to 'sys-libs/glibc/files/2.10/glibc-2.10-hardened-ssp-compat.patch')
| -rw-r--r-- | sys-libs/glibc/files/2.10/glibc-2.10-hardened-ssp-compat.patch | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/sys-libs/glibc/files/2.10/glibc-2.10-hardened-ssp-compat.patch b/sys-libs/glibc/files/2.10/glibc-2.10-hardened-ssp-compat.patch deleted file mode 100644 index a1c9eef..0000000 --- a/sys-libs/glibc/files/2.10/glibc-2.10-hardened-ssp-compat.patch +++ /dev/null @@ -1,168 +0,0 @@ -Add backwards compat support for gcc-3.x ssp ... older ssp versions -used __guard and __stack_smash_handler symbols while gcc-4.1 and newer -uses __stack_chk_guard and __stack_chk_fail. - ---- config.h.in -+++ config.h.in -@@ -42,6 +42,9 @@ - assembler instructions per line. Default is `;' */ - #undef ASM_LINE_SEP - -+/* Define if we want to enable support for old ssp symbols */ -+#undef ENABLE_OLD_SSP_COMPAT -+ - /* Define if not using ELF, but `.init' and `.fini' sections are available. */ - #undef HAVE_INITFINI - ---- configure -+++ configure -@@ -1378,6 +1378,9 @@ Optional Features: - --enable-kernel=VERSION compile for compatibility with kernel not older than - VERSION - --enable-all-warnings enable all useful warnings gcc can issue -+ --disable-old-ssp-compat -+ enable support for older ssp symbols -+ [default=no] - --enable-multi-arch enable single DSO with optimizations for multiple - architectures - --enable-experimental-malloc -@@ -6462,6 +6465,20 @@ fi - $as_echo "$libc_cv_ssp" >&6; } - - -+# Check whether --enable-old-ssp-compat or --disable-old-ssp-compat was given. -+if test "${enable_old_ssp_compat+set}" = set; then -+ enableval="$enable_old_ssp_compat" -+ enable_old_ssp_compat=$enableval -+else -+ enable_old_ssp_compat=no -+fi; -+if test "x$enable_old_ssp_compat" = "xyes"; then -+ cat >>confdefs.h <<\_ACEOF -+#define ENABLE_OLD_SSP_COMPAT 1 -+_ACEOF -+ -+fi -+ - { $as_echo "$as_me:$LINENO: checking for -fgnu89-inline" >&5 - $as_echo_n "checking for -fgnu89-inline... " >&6; } - if test "${libc_cv_gnu89_inline+set}" = set; then ---- configure.in -+++ configure.in -@@ -1641,6 +1641,15 @@ fi - rm -f conftest*]) - AC_SUBST(libc_cv_ssp) - -+AC_ARG_ENABLE([old-ssp-compat], -+ AC_HELP_STRING([--enable-old-ssp-compat], -+ [enable support for older ssp symbols @<:@default=no@:>@]), -+ [enable_old_ssp_compat=$enableval], -+ [enable_old_ssp_compat=no]) -+if test "x$enable_old_ssp_compat" = "xyes"; then -+ AC_DEFINE(ENABLE_OLD_SSP_COMPAT) -+fi -+ - AC_CACHE_CHECK(for -fgnu89-inline, libc_cv_gnu89_inline, [dnl - cat > conftest.c <<EOF - int foo; ---- csu/libc-start.c -+++ csu/libc-start.c -@@ -37,6 +37,9 @@ extern void __pthread_initialize_minimal - uintptr_t __stack_chk_guard attribute_relro; - # endif - #endif -+#ifdef ENABLE_OLD_SSP_COMPAT -+uintptr_t __guard attribute_relro; -+#endif - - #ifdef HAVE_PTR_NTHREADS - /* We need atomic operations. */ -@@ -141,6 +145,9 @@ LIBC_START_MAIN (int (*main) (int, char - - /* Set up the stack checker's canary. */ - uintptr_t stack_chk_guard = _dl_setup_stack_chk_guard (_dl_random); -+#ifdef ENABLE_OLD_SSP_COMPAT -+ __guard = stack_chk_guard; -+#endif - # ifdef THREAD_SET_STACK_GUARD - THREAD_SET_STACK_GUARD (stack_chk_guard); - # else ---- csu/Versions -+++ csu/Versions -@@ -17,6 +17,12 @@ libc { - # New special glibc functions. - gnu_get_libc_release; gnu_get_libc_version; - } -+ GLIBC_2.3.2 { -+%ifdef ENABLE_OLD_SSP_COMPAT -+ # global objects and functions for the old propolice patch in gcc -+ __guard; -+%endif -+ } - GLIBC_PRIVATE { - %if HAVE___THREAD - # This version is for the TLS symbol, GLIBC_2.0 is the old object symbol. ---- debug/Versions -+++ debug/Versions -@@ -10,6 +10,12 @@ libc { - # These are to support some gcc features. - __cyg_profile_func_enter; __cyg_profile_func_exit; - } -+%ifdef ENABLE_OLD_SSP_COMPAT -+ GLIBC_2.3.2 { -+ # backwards ssp compat support; alias to __stack_chk_fail -+ __stack_smash_handler; -+ } -+%endif - GLIBC_2.3.4 { - __chk_fail; - __memcpy_chk; __memmove_chk; __mempcpy_chk; __memset_chk; __stpcpy_chk; ---- elf/rtld.c -+++ elf/rtld.c -@@ -89,6 +89,9 @@ INTDEF(_dl_argv) - in thread local area. */ - uintptr_t __stack_chk_guard attribute_relro; - #endif -+#ifdef ENABLE_OLD_SSP_COMPAT -+uintptr_t __guard attribute_relro; -+#endif - - /* Only exported for architectures that don't store the pointer guard - value in thread local area. */ -@@ -1817,6 +1821,9 @@ ERROR: ld.so: object '%s' cannot be load - - /* Set up the stack checker's canary. */ - uintptr_t stack_chk_guard = _dl_setup_stack_chk_guard (_dl_random); -+#ifdef ENABLE_OLD_SSP_COMPAT -+ __guard = stack_chk_guard; -+#endif - #ifdef THREAD_SET_STACK_GUARD - THREAD_SET_STACK_GUARD (stack_chk_guard); - #else ---- elf/Versions -+++ elf/Versions -@@ -43,6 +43,12 @@ ld { - # runtime interface to TLS - __tls_get_addr; - } -+%ifdef ENABLE_OLD_SSP_COMPAT -+ GLIBC_2.3.2 { -+ # backwards ssp compat support -+ __guard; -+ } -+%endif - GLIBC_2.4 { - # stack canary - __stack_chk_guard; ---- Versions.def -+++ Versions.def -@@ -109,6 +109,9 @@ ld { - GLIBC_2.0 - GLIBC_2.1 - GLIBC_2.3 -+%ifdef ENABLE_OLD_SSP_COMPAT -+ GLIBC_2.3.2 -+%endif - GLIBC_2.4 - GLIBC_PRIVATE - } |