From: Patrick Marlier Date: Fri, 24 Feb 2012 15:21:12 +0000 (+0000) Subject: re PR boehm-gc/52179 (boehm-gc incompatible with aslr on darwin11) X-Git-Tag: releases/gcc-4.7.0~218 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e00db5114228d50fece5c764a1f077e065cf8605;p=thirdparty%2Fgcc.git re PR boehm-gc/52179 (boehm-gc incompatible with aslr on darwin11) 2012-02-23 Patrick Marlier Jack Howarth boehm-gc/ PR boehm-gc/52179 * include/gc_config.h.in: Undefine HAVE_PTHREAD_GET_STACKADDR_NP. * include/private/gcconfig.h (DARWIN): Define STACKBOTTOM with pthread_get_stackaddr_np when available. * configure.ac (THREADS): Check availability of pthread_get_stackaddr_np. * configure: Regenerate. libjava/ PR target/49461 * configure.ac (SYSTEMSPEC): No longer pass -no_pie for darwin11. * configure: Regenerate. Co-Authored-By: Jack Howarth From-SVN: r184555 --- diff --git a/boehm-gc/ChangeLog b/boehm-gc/ChangeLog index e9d1eb5a6e8d..173ad8033e46 100644 --- a/boehm-gc/ChangeLog +++ b/boehm-gc/ChangeLog @@ -1,3 +1,13 @@ +2012-02-23 Patrick Marlier + Jack Howarth + + PR boehm-gc/52179 + * include/gc_config.h.in: Undefine HAVE_PTHREAD_GET_STACKADDR_NP. + * include/private/gcconfig.h (DARWIN): Define STACKBOTTOM with + pthread_get_stackaddr_np when available. + * configure.ac (THREADS): Check availability of pthread_get_stackaddr_np. + * configure: Regenerate. + 2012-02-10 Kai Tietz PR boehm-gc/48514 diff --git a/boehm-gc/configure b/boehm-gc/configure index a901e505b735..c76ea447af50 100755 --- a/boehm-gc/configure +++ b/boehm-gc/configure @@ -15141,6 +15141,17 @@ _ACEOF fi done +for ac_func in pthread_get_stackaddr_np +do : + ac_fn_c_check_func "$LINENO" "pthread_get_stackaddr_np" "ac_cv_func_pthread_get_stackaddr_np" +if test "x$ac_cv_func_pthread_get_stackaddr_np" = x""yes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_PTHREAD_GET_STACKADDR_NP 1 +_ACEOF + +fi +done + LIBS="$oldLIBS" # Configuration of machine-dependent code diff --git a/boehm-gc/configure.ac b/boehm-gc/configure.ac index a741ca6d27aa..2eddc9fe7abd 100644 --- a/boehm-gc/configure.ac +++ b/boehm-gc/configure.ac @@ -380,6 +380,7 @@ esac oldLIBS="$LIBS" LIBS="$LIBS $THREADLIBS" AC_CHECK_FUNCS([pthread_getattr_np]) +AC_CHECK_FUNCS([pthread_get_stackaddr_np]) LIBS="$oldLIBS" # Configuration of machine-dependent code diff --git a/boehm-gc/include/gc_config.h.in b/boehm-gc/include/gc_config.h.in index ea6cb03d22a9..6bdd807bcfae 100644 --- a/boehm-gc/include/gc_config.h.in +++ b/boehm-gc/include/gc_config.h.in @@ -87,6 +87,9 @@ /* Define to 1 if you have the `pthread_getattr_np' function. */ #undef HAVE_PTHREAD_GETATTR_NP +/* Define to 1 if you have the `pthread_get_stackaddr_np_np' function. */ +#undef HAVE_PTHREAD_GET_STACKADDR_NP + /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H diff --git a/boehm-gc/include/private/gcconfig.h b/boehm-gc/include/private/gcconfig.h index 25fff6e7e6aa..fb09cf73cc0d 100644 --- a/boehm-gc/include/private/gcconfig.h +++ b/boehm-gc/include/private/gcconfig.h @@ -1331,7 +1331,11 @@ These aren't used when dyld support is enabled (it is by default) */ # define DATASTART ((ptr_t) get_etext()) # define DATAEND ((ptr_t) get_end()) -# define STACKBOTTOM ((ptr_t) 0xc0000000) +# ifdef HAVE_PTHREAD_GET_STACKADDR_NP +# define STACKBOTTOM (ptr_t)pthread_get_stackaddr_np(pthread_self()) +# else +# define STACKBOTTOM ((ptr_t) 0xc0000000) +# endif # define USE_MMAP # define USE_MMAP_ANON # define USE_ASM_PUSH_REGS @@ -2014,7 +2018,11 @@ These aren't used when dyld support is enabled (it is by default) */ # define DATASTART ((ptr_t) get_etext()) # define DATAEND ((ptr_t) get_end()) -# define STACKBOTTOM ((ptr_t) 0x7fff5fc00000) +# ifdef HAVE_PTHREAD_GET_STACKADDR_NP +# define STACKBOTTOM (ptr_t)pthread_get_stackaddr_np(pthread_self()) +# else +# define STACKBOTTOM ((ptr_t) 0x7fff5fc00000) +# endif # define USE_MMAP # define USE_MMAP_ANON # ifdef GC_DARWIN_THREADS diff --git a/libjava/ChangeLog b/libjava/ChangeLog index 326927ed6a82..aa456129c725 100644 --- a/libjava/ChangeLog +++ b/libjava/ChangeLog @@ -1,3 +1,10 @@ +2012-02-23 Patrick Marlier + Jack Howarth + + PR target/49461 + * configure.ac (SYSTEMSPEC): No longer pass -no_pie for darwin11. + * configure: Regenerate. + 2012-02-02 Kai Tietz PR libjava/48512 diff --git a/libjava/configure b/libjava/configure index b8f23d3f5930..8ea1aec5ee0e 100755 --- a/libjava/configure +++ b/libjava/configure @@ -19788,14 +19788,9 @@ case "${host}" in SYSTEMSPEC="-lunicows $SYSTEMSPEC" fi ;; - *-*-darwin9*) + *-*-darwin[912]*) SYSTEMSPEC="%{!Zdynamiclib:%{!Zbundle:-allow_stack_execute}}" ;; - *-*-darwin[12]*) - # Something is incompatible with pie, would be nice to fix it and - # remove -no_pie. PR49461 - SYSTEMSPEC="-no_pie %{!Zdynamiclib:%{!Zbundle:-allow_stack_execute}}" - ;; *) SYSTEMSPEC= ;; diff --git a/libjava/configure.ac b/libjava/configure.ac index 2b339c376df9..ce428cac2576 100644 --- a/libjava/configure.ac +++ b/libjava/configure.ac @@ -898,14 +898,9 @@ case "${host}" in SYSTEMSPEC="-lunicows $SYSTEMSPEC" fi ;; - *-*-darwin9*) + *-*-darwin[[912]]*) SYSTEMSPEC="%{!Zdynamiclib:%{!Zbundle:-allow_stack_execute}}" ;; - *-*-darwin[[12]]*) - # Something is incompatible with pie, would be nice to fix it and - # remove -no_pie. PR49461 - SYSTEMSPEC="-no_pie %{!Zdynamiclib:%{!Zbundle:-allow_stack_execute}}" - ;; *) SYSTEMSPEC= ;;