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| author | Srikar Dronamraju <srikar@linux.vnet.ibm.com> | 2012-02-08 04:53:13 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-02-14 15:01:38 +1100 |
| commit | e62894273c7572cb1bec39096df605f42a66e964 (patch) | |
| tree | 8f63f7c32b136f8eb89c3b9abfe290687f9a842b /arch | |
| parent | 454c0bfd0c6469276dec766e5b41efcf0ccf2619 (diff) | |
| download | lwn-e62894273c7572cb1bec39096df605f42a66e964.tar.gz lwn-e62894273c7572cb1bec39096df605f42a66e964.zip | |
powerpc: Implement GET_IP/SET_IP
With this change, helpers such as instruction_pointer() et al, get defined
in the generic header in terms of GET_IP
Removed the unnecessary definition of profile_pc in !CONFIG_SMP case as
suggested by Mike Frysinger.
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/ptrace.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 78a205162fd7..84cc7840cd18 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -83,8 +83,18 @@ struct pt_regs { #ifndef __ASSEMBLY__ -#define instruction_pointer(regs) ((regs)->nip) -#define user_stack_pointer(regs) ((regs)->gpr[1]) +#define GET_IP(regs) ((regs)->nip) +#define GET_USP(regs) ((regs)->gpr[1]) +#define GET_FP(regs) (0) +#define SET_FP(regs, val) + +#ifdef CONFIG_SMP +extern unsigned long profile_pc(struct pt_regs *regs); +#define profile_pc profile_pc +#endif + +#include <asm-generic/ptrace.h> + #define kernel_stack_pointer(regs) ((regs)->gpr[1]) static inline int is_syscall_success(struct pt_regs *regs) { @@ -99,12 +109,6 @@ static inline long regs_return_value(struct pt_regs *regs) return -regs->gpr[3]; } -#ifdef CONFIG_SMP -extern unsigned long profile_pc(struct pt_regs *regs); -#else -#define profile_pc(regs) instruction_pointer(regs) -#endif - #ifdef __powerpc64__ #define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1) #else |