diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-30 10:23:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-30 10:23:53 -0700 |
| commit | ebc8eca169be0283d5a7ab54c4411dd59cfb0f27 (patch) | |
| tree | 831f6d577da3469e3154bf29409281c640bb67df /arch/powerpc/include/asm/elf.h | |
| parent | 25c1a411e8a0a709abe3449866125dc290711ea8 (diff) | |
| parent | 9ff9a26b786c35ee8d2a66222924a807ec851a9f (diff) | |
| download | linux-ebc8eca169be0283d5a7ab54c4411dd59cfb0f27.tar.bz2 | |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (180 commits)
powerpc: clean up ssi.txt, add definition for fsl,ssi-asynchronous
powerpc/85xx: Add support for the "socrates" board (MPC8544).
powerpc: Fix bugs introduced by sysfs changes
powerpc: Sanitize stack pointer in signal handling code
powerpc: Add write barrier before enabling DTL flags
powerpc/83xx: Update ranges in gianfar node to match other dts
powerpc/86xx: Move gianfar mdio nodes under the ethernet nodes
powerpc/85xx: Move gianfar mdio nodes under the ethernet nodes
powerpc/83xx: Move gianfar mdio nodes under the ethernet nodes
powerpc/83xx: Add power management support for MPC837x boards
powerpc/mm: Introduce early_init_mmu() on 64-bit
powerpc/mm: Add option for non-atomic PTE updates to ppc64
powerpc/mm: Fix printk type warning in mmu_context_nohash
powerpc/mm: Rename arch/powerpc/kernel/mmap.c to mmap_64.c
powerpc/mm: Merge various PTE bits and accessors definitions
powerpc/mm: Tweak PTE bit combination definitions
powerpc/cell: Fix iommu exception reporting
powerpc/mm: e300c2/c3/c4 TLB errata workaround
powerpc/mm: Used free register to save a few cycles in SW TLB miss handling
powerpc/mm: Remove unused register usage in SW TLB miss handling
...
Diffstat (limited to 'arch/powerpc/include/asm/elf.h')
| -rw-r--r-- | arch/powerpc/include/asm/elf.h | 12 |
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__ */ /* |