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| author | Ulrich Drepper <drepper@redhat.com> | 2004-03-05 10:29:47 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-03-05 10:29:47 +0000 |
| commit | afdca0f2a3a18fb0dcfc334c205e0fb96e90e839 (patch) | |
| tree | 59ba9a29d6174ebbbbe09258ea52e9f956e33c2e /sysdeps/unix/sysv/linux/dl-execstack.c | |
| parent | 20c37dfde1a836a139f6269e8617260f2b90bf52 (diff) | |
| download | glibc-afdca0f2a3a18fb0dcfc334c205e0fb96e90e839.zip glibc-afdca0f2a3a18fb0dcfc334c205e0fb96e90e839.tar.gz glibc-afdca0f2a3a18fb0dcfc334c205e0fb96e90e839.tar.bz2 | |
Update.
* sysdeps/sparc/sparc64/dl-machine.h: Likewise.
* sysdeps/sparc/sparc32/dl-machine.h: Likewise.
* sysdeps/s390/s390-64/dl-machine.h: Likewise.
* sysdeps/s390/s390-32/dl-machine.h: Likewise.
* sysdeps/powerpc/powerpc64/dl-machine.h: Likewise.
* sysdeps/powerpc/powerpc32/dl-machine.c: Likewise.
* sysdeps/m68k/dl-machine.h: Likewise.
* sysdeps/ia64/dl-machine.h: Likewise.
* sysdeps/arm/dl-machine.h: Likewise.
* sysdeps/alpha/dl-machine.h: Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/dl-execstack.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/dl-execstack.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/sysdeps/unix/sysv/linux/dl-execstack.c b/sysdeps/unix/sysv/linux/dl-execstack.c index 48512ed..d3b0481 100644 --- a/sysdeps/unix/sysv/linux/dl-execstack.c +++ b/sysdeps/unix/sysv/linux/dl-execstack.c @@ -31,7 +31,8 @@ internal_function _dl_make_stack_executable (void **stack_endp) { /* This gives us the highest/lowest page that needs to be changed. */ - uintptr_t page = (uintptr_t) __libc_stack_end & -(intptr_t) GL(dl_pagesize); + uintptr_t page = ((uintptr_t) __libc_stack_end + & -(intptr_t) GLRO(dl_pagesize)); /* Challenge the caller. */ if (__builtin_expect (*stack_endp != __libc_stack_end, 0)) @@ -46,7 +47,7 @@ _dl_make_stack_executable (void **stack_endp) if (! no_growsdown) # endif { - if (__builtin_expect (__mprotect ((void *) page, GL(dl_pagesize), + if (__builtin_expect (__mprotect ((void *) page, GLRO(dl_pagesize), PROT_READ|PROT_WRITE|PROT_EXEC |PROT_GROWSDOWN) == 0, 1)) goto return_success; @@ -67,8 +68,8 @@ _dl_make_stack_executable (void **stack_endp) so as to have extended the GROWSDOWN mapping to lower pages. */ # if __ASSUME_PROT_GROWSUPDOWN == 0 - size_t size = GL(dl_pagesize) * 8; - page = page + GL(dl_pagesize) - size; + size_t size = GLRO(dl_pagesize) * 8; + page = page + GLRO(dl_pagesize) - size; while (1) { if (__mprotect ((void *) page, size, @@ -80,7 +81,7 @@ _dl_make_stack_executable (void **stack_endp) if (errno != ENOMEM) /* Unexpected failure mode. */ return errno; - if (size == GL(dl_pagesize)) + if (size == GLRO(dl_pagesize)) /* We just tried to mprotect the top hole page and failed. We are done. */ break; @@ -101,7 +102,7 @@ _dl_make_stack_executable (void **stack_endp) if (! no_growsup) # endif { - if (__mprotect ((void *) page, GL(dl_pagesize), + if (__mprotect ((void *) page, GLRO(dl_pagesize), PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP) == 0) goto return_success; # if __ASSUME_PROT_GROWSUPDOWN == 0 @@ -121,7 +122,7 @@ _dl_make_stack_executable (void **stack_endp) so as to have extended the GROWSUP mapping to higher pages. */ # if __ASSUME_PROT_GROWSUPDOWN == 0 - size_t size = GL(dl_pagesize) * 8; + size_t size = GLRO(dl_pagesize) * 8; while (1) { if (__mprotect ((void *) page, size, @@ -133,7 +134,7 @@ _dl_make_stack_executable (void **stack_endp) if (errno != ENOMEM) /* Unexpected failure mode. */ return errno; - if (size == GL(dl_pagesize)) + if (size == GLRO(dl_pagesize)) /* We just tried to mprotect the lowest hole page and failed. We are done. */ break; |