utility.h revision 4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53 
1/* system/debuggerd/utility.h
2**
3** Copyright 2008, 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#ifndef __utility_h
19#define __utility_h
20
21#include <stddef.h>
22#include <stdbool.h>
23
24#ifndef PT_ARM_EXIDX
25#define PT_ARM_EXIDX    0x70000001      /* .ARM.exidx segment */
26#endif
27
28#define STACK_CONTENT_DEPTH 32
29
30typedef struct mapinfo {
31    struct mapinfo *next;
32    unsigned start;
33    unsigned end;
34    unsigned exidx_start;
35    unsigned exidx_end;
36    char name[];
37} mapinfo;
38
39/* Get a word from pid using ptrace. The result is the return value. */
40extern int get_remote_word(int pid, void *src);
41
42/* Handy routine to read aggregated data from pid using ptrace. The read
43 * values are written to the dest locations directly.
44 */
45extern void get_remote_struct(int pid, void *src, void *dst, size_t size);
46
47/* Find the containing map for the pc */
48const mapinfo *pc_to_mapinfo (mapinfo *mi, unsigned pc);
49
50/* Map a pc address to the name of the containing ELF file */
51const char *map_to_name(mapinfo *mi, unsigned pc, const char* def);
52
53/* Log information onto the tombstone */
54extern void _LOG(int tfd, bool in_tombstone_only, const char *fmt, ...);
55
56#endif
57