diff options
Diffstat (limited to 'arch/powerpc/include/asm/ptrace.h')
| -rw-r--r-- | arch/powerpc/include/asm/ptrace.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 48223f9b8728..84cc7840cd18 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -83,17 +83,32 @@ struct pt_regs { #ifndef __ASSEMBLY__ -#define instruction_pointer(regs) ((regs)->nip) -#define user_stack_pointer(regs) ((regs)->gpr[1]) -#define kernel_stack_pointer(regs) ((regs)->gpr[1]) -#define regs_return_value(regs) ((regs)->gpr[3]) +#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); -#else -#define profile_pc(regs) instruction_pointer(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) +{ + return !(regs->ccr & 0x10000000); +} + +static inline long regs_return_value(struct pt_regs *regs) +{ + if (is_syscall_success(regs)) + return regs->gpr[3]; + else + return -regs->gpr[3]; +} + #ifdef __powerpc64__ #define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1) #else |