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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-load.c | |
| parent | db753e2cfb2051ebf20dc089f87c5b1297cc2cff (diff) | |
| download | glibc-30950a5fd2346c43ba4fc59c16f122cfb59f9629.tar.gz glibc-30950a5fd2346c43ba4fc59c16f122cfb59f9629.tar.xz glibc-30950a5fd2346c43ba4fc59c16f122cfb59f9629.zip | |
Make PowerPC64 default to nonexecutable stack
Diffstat (limited to 'elf/dl-load.c')
| -rw-r--r-- | elf/dl-load.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c index 4c14f08e55..41b5ce7691 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -984,8 +984,10 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp, } } - /* Presumed absent PT_GNU_STACK. */ - uint_fast16_t stack_flags = PF_R|PF_W|PF_X; + /* On most platforms presume that PT_GNU_STACK is absent and the stack is + * executable. Other platforms default to a nonexecutable stack and don't + * need PT_GNU_STACK to do so. */ + uint_fast16_t stack_flags = DEFAULT_STACK_PERMS; { /* Scan the program header table, collecting its load commands. */ |