blob: 4a36bf109b7f35fa304f12181ea2d53f957c32dd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/* sframe-state.h - The SFrame state for stacktracing.
Copyright (C) 2023 Free Software Foundation, Inc.
This file is part of libsframest.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef SFRAME_STATE_H
#define SFRAME_STATE_H
#include "config.h"
#include <link.h>
#include <stdlib.h>
#include <stdio.h>
#include <inttypes.h>
#include <stdbool.h>
#include <assert.h>
#include <execinfo.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <ucontext.h>
#include <stdarg.h>
#include "ansidecl.h"
#include "sframe-api.h"
#include "sframe-stacktrace-api.h"
#include "sframe-stacktrace-regs.h"
/* glibc's elf.h will bring this in future. */
#ifndef PT_SFRAME
#define PT_SFRAME 0x6474e554
#endif
/* SFrame stacktrace data. */
struct sframest_info
{
/* Reference to the SFrame section in process memory. */
const char *buf;
/* Length in bytes of the SFrame section in memory. */
uint64_t buflen;
/* Text segment's virtual address. */
uint64_t text_vma;
/* Text segment's length in bytes. */
uint64_t text_size;
/* SFrame segment's virtual address. */
uint64_t sframe_vma;
/* SFrame decoder context. For access to decoded SFrame information. */
sframe_decoder_ctx *dctx;
};
/* List of SFrame stacktrace info objects.
Typically used to represent SFrame stacktrace info for set of shared
libraries of a program. */
struct sframest_info_list
{
/* Number of entries allocated. */
int alloced;
/* Number of entries used. */
int used;
/* (Array) List of SFrame stacktrace info objects. */
struct sframest_info *entry;
};
/* SFrame stacktracing context. */
struct sframest_ctx
{
/* File descriptor for the process memory. */
int fd;
/* SFrame stacktrace info for program. */
struct sframest_info prog_sfinfo;
/* SFrame stacktrace info for its DSOs. */
struct sframest_info_list dsos_sfinfo;
};
void sframe_unwind_init_debug (void);
int sframe_callback (struct dl_phdr_info *info,
size_t size ATTRIBUTE_UNUSED,
void *data);
bool sframest_sfinfo_addr_range_p (struct sframest_info *sfinfo,
uint64_t addr);
struct sframest_info *sframest_get_sfinfo (struct sframest_ctx *sf,
uint64_t raddr);
struct sframest_info *sframe_find_context (struct sframest_ctx *sf,
uint64_t addr);
void sframe_free_cfi (struct sframest_ctx *sf);
#endif /* SFRAME_STATE_H. */
|
