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authorSrikar Dronamraju <srikar@linux.vnet.ibm.com>2012-02-08 04:53:13 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-02-14 15:01:38 +1100
commite62894273c7572cb1bec39096df605f42a66e964 (patch)
tree8f63f7c32b136f8eb89c3b9abfe290687f9a842b /arch
parent454c0bfd0c6469276dec766e5b41efcf0ccf2619 (diff)
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.h20
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