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| author | Ryan S. Arnold <rsa@us.ibm.com> | 2010-12-19 22:49:01 -0500 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2010-12-19 22:49:01 -0500 |
| commit | 30950a5fd2346c43ba4fc59c16f122cfb59f9629 (patch) | |
| tree | 400aceac60bdb17ec66caf2850d173ad8554e135 /elf/dl-support.c | |
| parent | db753e2cfb2051ebf20dc089f87c5b1297cc2cff (diff) | |
| download | glibc-30950a5fd2346c43ba4fc59c16f122cfb59f9629.tar glibc-30950a5fd2346c43ba4fc59c16f122cfb59f9629.tar.gz glibc-30950a5fd2346c43ba4fc59c16f122cfb59f9629.tar.bz2 glibc-30950a5fd2346c43ba4fc59c16f122cfb59f9629.zip | |
Make PowerPC64 default to nonexecutable stack
Diffstat (limited to 'elf/dl-support.c')
| -rw-r--r-- | elf/dl-support.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/elf/dl-support.c b/elf/dl-support.c index 5897b32e8c..1b128c37ff 100644 --- a/elf/dl-support.c +++ b/elf/dl-support.c @@ -32,6 +32,7 @@ #include <dl-procinfo.h> #include <unsecvars.h> #include <hp-timing.h> +#include <stackinfo.h> extern char *__progname; char **_dl_argv = &__progname; /* This is checked for some error messages. */ @@ -134,8 +135,9 @@ uint64_t _dl_hwcap __attribute__ ((nocommon)); setting _dl_hwcap nonzero below, but we do anyway. */ uint64_t _dl_hwcap_mask __attribute__ ((nocommon)); -/* Prevailing state of the stack, PF_X indicating it's executable. */ -ElfW(Word) _dl_stack_flags = PF_R|PF_W|PF_X; +/* Prevailing state of the stack. Generally this includes PF_X, indicating it's + * executable but this isn't true for all platforms. */ +ElfW(Word) _dl_stack_flags = DEFAULT_STACK_PERMS; /* If loading a shared object requires that we make the stack executable when it was not, we do it by calling this function. |