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powerpc: Fix up elf_read_implies_exec() usage

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We believe if a toolchain supports PT_GNU_STACK that it sets the proper
PHDR permissions.  Therefor elf_read_implies_exec() should only be true
if we don't see PT_GNU_STACK set.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2009-04-28 03:32:36 +00:00 committed by Benjamin Herrenschmidt
parent 8e27f4dab3
commit d89ebca224
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/include/asm/elf.h
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@ -256,11 +256,11 @@ do { \
* even if we have an executable stack.
*/
# define elf_read_implies_exec(ex, exec_stk) (test_thread_flag(TIF_32BIT) ? \
(exec_stk != EXSTACK_DISABLE_X) : 0)
(exec_stk == EXSTACK_DEFAULT) : 0)
#else
# define SET_PERSONALITY(ex) \
set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
# define elf_read_implies_exec(ex, exec_stk) (exec_stk != EXSTACK_DISABLE_X)
# define elf_read_implies_exec(ex, exec_stk) (exec_stk == EXSTACK_DEFAULT)
#endif /* __powerpc64__ */
extern int dcache_bsize;