1/* system/debuggerd/debuggerd.c
2**
3** Copyright 2006, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18#include <stddef.h>
19#include <stdbool.h>
20#include <stdlib.h>
21#include <string.h>
22#include <stdio.h>
23#include <errno.h>
24#include <sys/types.h>
25#include <sys/ptrace.h>
26
27#include <corkscrew/ptrace.h>
28
29#include <linux/user.h>
30
31#include "../utility.h"
32#include "../machine.h"
33
34void dump_memory_and_code(const ptrace_context_t* context __attribute((unused)),
35        log_t* log, pid_t tid, bool at_fault) {
36}
37
38void dump_registers(const ptrace_context_t* context __attribute((unused)),
39        log_t* log, pid_t tid, bool at_fault) {
40    struct pt_regs_x86 r;
41    bool only_in_tombstone = !at_fault;
42
43    if(ptrace(PTRACE_GETREGS, tid, 0, &r)) {
44        _LOG(log, only_in_tombstone, "cannot get registers: %s\n", strerror(errno));
45        return;
46    }
47    //if there is no stack, no print just like arm
48    if(!r.ebp)
49        return;
50    _LOG(log, only_in_tombstone, "    eax %08x  ebx %08x  ecx %08x  edx %08x\n",
51         r.eax, r.ebx, r.ecx, r.edx);
52    _LOG(log, only_in_tombstone, "    esi %08x  edi %08x\n",
53         r.esi, r.edi);
54    _LOG(log, only_in_tombstone, "    xcs %08x  xds %08x  xes %08x  xfs %08x  xss %08x\n",
55         r.xcs, r.xds, r.xes, r.xfs, r.xss);
56    _LOG(log, only_in_tombstone, "    eip %08x  ebp %08x  esp %08x  flags %08x\n",
57         r.eip, r.ebp, r.esp, r.eflags);
58}
59