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authorIngo Molnar <mingo@elte.hu>2009-04-02 16:33:42 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-02 16:33:51 +0200
commit83f2f0ed715eb15a8e13c07df479d65bbc10d8d5 (patch)
treee47d7edefa210b328f8cfba43d170fc67d6e0671 /arch/powerpc/include/asm/elf.h
parent3de46fda4c104deef17ec70f85361f5c6b84ce0e (diff)
parent4fe70410d9a219dabb47328effccae7e7f2a6e26 (diff)
downloadlinux-83f2f0ed715eb15a8e13c07df479d65bbc10d8d5.tar.bz2
Merge branch 'linus' into x86/urgent
Merge needed to go past commit 7ca43e756 (mm: use debug_kmap_atomic) and fix it. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/include/asm/elf.h')
-rw-r--r--arch/powerpc/include/asm/elf.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
index b5600ce6055e..1a856b15226e 100644
--- a/arch/powerpc/include/asm/elf.h
+++ b/arch/powerpc/include/asm/elf.h
@@ -8,6 +8,7 @@
#endif
#include <linux/types.h>
+
#include <asm/ptrace.h>
#include <asm/cputable.h>
#include <asm/auxvec.h>
@@ -178,7 +179,8 @@ typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG];
the loader. We need to make sure that it is out of the way of the program
that it will "exec", and that there is sufficient room for the brk. */
-#define ELF_ET_DYN_BASE (0x20000000)
+extern unsigned long randomize_et_dyn(unsigned long base);
+#define ELF_ET_DYN_BASE (randomize_et_dyn(0x20000000))
/*
* Our registers are always unsigned longs, whether we're a 32 bit
@@ -270,6 +272,14 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm,
int uses_interp);
#define VDSO_AUX_ENT(a,b) NEW_AUX_ENT(a,b);
+/* 1GB for 64bit, 8MB for 32bit */
+#define STACK_RND_MASK (is_32bit_task() ? \
+ (0x7ff >> (PAGE_SHIFT - 12)) : \
+ (0x3ffff >> (PAGE_SHIFT - 12)))
+
+extern unsigned long arch_randomize_brk(struct mm_struct *mm);
+#define arch_randomize_brk arch_randomize_brk
+
#endif /* __KERNEL__ */
/*