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powerpc: Implement GET_IP/SET_IP

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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>
This commit is contained in:
Srikar Dronamraju 2012-02-08 04:53:13 +00:00 committed by Benjamin Herrenschmidt
parent 454c0bfd0c
commit e62894273c
1 changed files with 12 additions and 8 deletions
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20
arch/powerpc/include/asm/ptrace.h
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@ -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