diff options
Diffstat (limited to 'arch/mips/include/asm/ptrace.h')
| -rw-r--r-- | arch/mips/include/asm/ptrace.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h index 4f5da948a777..a3186f2bb8a0 100644 --- a/arch/mips/include/asm/ptrace.h +++ b/arch/mips/include/asm/ptrace.h @@ -49,6 +49,7 @@ static inline long regs_return_value(struct pt_regs *regs) #define instruction_pointer(regs) ((regs)->cp0_epc) #define profile_pc(regs) instruction_pointer(regs) +#define user_stack_pointer(r) ((r)->regs[29]) extern asmlinkage void syscall_trace_enter(struct pt_regs *regs); extern asmlinkage void syscall_trace_leave(struct pt_regs *regs); @@ -61,4 +62,10 @@ static inline void die_if_kernel(const char *str, struct pt_regs *regs) die(str, regs); } +#define current_pt_regs() \ +({ \ + unsigned long sp = (unsigned long)__builtin_frame_address(0); \ + (struct pt_regs *)((sp | (THREAD_SIZE - 1)) + 1 - 32) - 1; \ +}) + #endif /* _ASM_PTRACE_H */ |