diff options
Diffstat (limited to 'kernel/trace/trace_kprobe.c')
-rw-r--r-- | kernel/trace/trace_kprobe.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index f63ead0cc5cf..ba6d3bd48889 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -85,11 +85,6 @@ static __kprobes unsigned long fetch_retvalue(struct pt_regs *regs, return regs_return_value(regs); } -static __kprobes unsigned long fetch_ip(struct pt_regs *regs, void *dummy) -{ - return instruction_pointer(regs); -} - static __kprobes unsigned long fetch_stack_address(struct pt_regs *regs, void *dummy) { @@ -234,8 +229,6 @@ static int probe_arg_string(char *buf, size_t n, struct fetch_func *ff) ret = snprintf(buf, n, "@%s%+ld", sc->symbol, sc->offset); } else if (ff->func == fetch_retvalue) ret = snprintf(buf, n, "$rv"); - else if (ff->func == fetch_ip) - ret = snprintf(buf, n, "$ra"); else if (ff->func == fetch_stack_address) ret = snprintf(buf, n, "$sa"); else if (ff->func == fetch_indirect) { @@ -448,9 +441,6 @@ static int parse_probe_vars(char *arg, struct fetch_func *ff, int is_return) if (is_return && arg[1] == 'v') { ff->func = fetch_retvalue; ff->data = NULL; - } else if (is_return && arg[1] == 'a') { - ff->func = fetch_ip; - ff->data = NULL; } else ret = -EINVAL; break; @@ -560,7 +550,6 @@ static int create_trace_probe(int argc, char **argv) * Fetch args: * $aN : fetch Nth of function argument. (N:0-) * $rv : fetch return value - * $ra : fetch return address * $sa : fetch stack address * $sN : fetch Nth of stack (N:0-) * @ADDR : fetch memory at ADDR (ADDR should be in kernel) |