diff options
| -rw-r--r-- | arch/s390/include/asm/stacktrace.h | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/s390/include/asm/stacktrace.h b/arch/s390/include/asm/stacktrace.h index b4d936580fbf..1dc9e814b756 100644 --- a/arch/s390/include/asm/stacktrace.h +++ b/arch/s390/include/asm/stacktrace.h @@ -74,23 +74,6 @@ struct stack_frame { ((unsigned long)__builtin_frame_address(0) - \ offsetof(struct stack_frame, back_chain)) -#define CALL_ARGS_0() \ - register unsigned long r2 asm("2") -#define CALL_ARGS_1(arg1) \ - register unsigned long r2 asm("2") = (unsigned long)(arg1) -#define CALL_ARGS_2(arg1, arg2) \ - CALL_ARGS_1(arg1); \ - register unsigned long r3 asm("3") = (unsigned long)(arg2) -#define CALL_ARGS_3(arg1, arg2, arg3) \ - CALL_ARGS_2(arg1, arg2); \ - register unsigned long r4 asm("4") = (unsigned long)(arg3) -#define CALL_ARGS_4(arg1, arg2, arg3, arg4) \ - CALL_ARGS_3(arg1, arg2, arg3); \ - register unsigned long r4 asm("5") = (unsigned long)(arg4) -#define CALL_ARGS_5(arg1, arg2, arg3, arg4, arg5) \ - CALL_ARGS_4(arg1, arg2, arg3, arg4); \ - register unsigned long r4 asm("6") = (unsigned long)(arg5) - /* * To keep this simple mark register 2-6 as being changed (volatile) * by the called function, even though register 6 is saved/nonvolatile. @@ -109,26 +92,6 @@ struct stack_frame { #define CALL_CLOBBER_1 CALL_CLOBBER_2, "3" #define CALL_CLOBBER_0 CALL_CLOBBER_1 -#define CALL_ON_STACK(fn, stack, nr, args...) \ -({ \ - unsigned long frame = current_frame_address(); \ - CALL_ARGS_##nr(args); \ - unsigned long prev; \ - \ - asm volatile( \ - " la %[_prev],0(15)\n" \ - " lg 15,%[_stack]\n" \ - " stg %[_frame],%[_bc](15)\n" \ - " brasl 14,%[_fn]\n" \ - " la 15,0(%[_prev])\n" \ - : [_prev] "=&a" (prev), CALL_FMT_##nr \ - : [_stack] "R" (stack), \ - [_bc] "i" (offsetof(struct stack_frame, back_chain)), \ - [_frame] "d" (frame), \ - [_fn] "X" (fn) : CALL_CLOBBER_##nr); \ - r2; \ -}) - #define CALL_LARGS_0(...) \ long dummy = 0 #define CALL_LARGS_1(t1, a1) \ |