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Update.

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* 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.
This commit is contained in:
Ulrich Drepper
2004-03-05 10:29:47 +00:00
parent 20c37dfde1
commit afdca0f2a3
58 changed files with 605 additions and 572 deletions
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17
sysdeps/unix/sysv/linux/dl-execstack.c
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@ -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;