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Commit 59e4c3a2 authored by Andreas Schwab's avatar Andreas Schwab Committed by Paul Mackerras
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powerpc/32: Don't clobber personality flags on exec 



Now that ppc32 implements address randomization it also wants to inherit
personality flags like ADDR_NO_RANDOMIZE across exec, for things like
`setarch ppc -R' to work.  But the ppc32 version of SET_PERSONALITY
forcefully sets PER_LINUX, clearing all personality flags.  So be
careful about preserving the flags.

Signed-off-by: default avatarAndreas Schwab <schwab@linux-m68k.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 24f1ce80

arch/powerpc/include/asm/elf.h

+2 −1
Original line number Original line Diff line number Diff line
@@ -258,7 +258,8 @@ do { \ 
# define elf_read_implies_exec(ex, exec_stk) (test_thread_flag(TIF_32BIT) ? \

# define elf_read_implies_exec(ex, exec_stk) (test_thread_flag(TIF_32BIT) ? \

		(exec_stk != EXSTACK_DISABLE_X) : 0)

		(exec_stk != EXSTACK_DISABLE_X) : 0)

#else 

#else 

# define SET_PERSONALITY(ex) set_personality(PER_LINUX)

# define SET_PERSONALITY(ex) \

  set_personality(PER_LINUX | (current->personality & (~PER_MASK)))

#endif /* __powerpc64__ */

#endif /* __powerpc64__ */





extern int dcache_bsize;

extern int dcache_bsize;