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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/* MI Command Set - disassemble commands.
Copyright (C) 2000, 2001, 2002, 2007 Free Software Foundation, Inc.
Contributed by Cygnus Solutions (a Red Hat company).
This file is part of GDB.
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 2 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "target.h"
#include "value.h"
#include "mi-cmds.h"
#include "mi-getopt.h"
#include "gdb_string.h"
#include "ui-out.h"
#include "disasm.h"
/* The arguments to be passed on the command line and parsed here are:
either:
START-ADDRESS: address to start the disassembly at.
END-ADDRESS: address to end the disassembly at.
or:
FILENAME: The name of the file where we want disassemble from.
LINE: The line around which we want to disassemble. It will
disassemble the function that contins that line.
HOW_MANY: Number of disassembly lines to display. In mixed mode, it
is the number of disassembly lines only, not counting the source
lines.
always required:
MODE: 0 or 1 for disassembly only, or mixed source and disassembly,
respectively. */
enum mi_cmd_result
mi_cmd_disassemble (char *command, char **argv, int argc)
{
enum mi_cmd_result retval;
CORE_ADDR start;
int mixed_source_and_assembly;
struct symtab *s;
/* Which options have we processed ... */
int file_seen = 0;
int line_seen = 0;
int num_seen = 0;
int start_seen = 0;
int end_seen = 0;
/* ... and their corresponding value. */
char *file_string = NULL;
int line_num = -1;
int how_many = -1;
CORE_ADDR low = 0;
CORE_ADDR high = 0;
/* Options processing stuff. */
int optind = 0;
char *optarg;
enum opt
{
FILE_OPT, LINE_OPT, NUM_OPT, START_OPT, END_OPT
};
static struct mi_opt opts[] = {
{"f", FILE_OPT, 1},
{"l", LINE_OPT, 1},
{"n", NUM_OPT, 1},
{"s", START_OPT, 1},
{"e", END_OPT, 1},
{ 0, 0, 0 }
};
/* Get the options with their arguments. Keep track of what we
encountered. */
while (1)
{
int opt = mi_getopt ("mi_cmd_disassemble", argc, argv, opts,
&optind, &optarg);
if (opt < 0)
break;
switch ((enum opt) opt)
{
case FILE_OPT:
file_string = xstrdup (optarg);
file_seen = 1;
break;
case LINE_OPT:
line_num = atoi (optarg);
line_seen = 1;
break;
case NUM_OPT:
how_many = atoi (optarg);
num_seen = 1;
break;
case START_OPT:
low = parse_and_eval_address (optarg);
start_seen = 1;
break;
case END_OPT:
high = parse_and_eval_address (optarg);
end_seen = 1;
break;
}
}
argv += optind;
argc -= optind;
/* Allow only filename + linenum (with how_many which is not
required) OR start_addr + and_addr */
if (!((line_seen && file_seen && num_seen && !start_seen && !end_seen)
|| (line_seen && file_seen && !num_seen && !start_seen && !end_seen)
|| (!line_seen && !file_seen && !num_seen && start_seen && end_seen)))
error
("mi_cmd_disassemble: Usage: ( [-f filename -l linenum [-n howmany]] | [-s startaddr -e endaddr]) [--] mixed_mode.");
if (argc != 1)
error
("mi_cmd_disassemble: Usage: [-f filename -l linenum [-n howmany]] [-s startaddr -e endaddr] [--] mixed_mode.");
mixed_source_and_assembly = atoi (argv[0]);
if ((mixed_source_and_assembly != 0) && (mixed_source_and_assembly != 1))
error (_("mi_cmd_disassemble: Mixed_mode argument must be 0 or 1."));
/* We must get the function beginning and end where line_num is
contained. */
if (line_seen && file_seen)
{
s = lookup_symtab (file_string);
if (s == NULL)
error (_("mi_cmd_disassemble: Invalid filename."));
if (!find_line_pc (s, line_num, &start))
error (_("mi_cmd_disassemble: Invalid line number"));
if (find_pc_partial_function (start, NULL, &low, &high) == 0)
error (_("mi_cmd_disassemble: No function contains specified address"));
}
gdb_disassembly (uiout,
file_string,
line_num,
mixed_source_and_assembly, how_many, low, high);
return MI_CMD_DONE;
}
|
