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fb40c209 | 1 | /* MI Command Set - disassemble commands. |
61baf725 | 2 | Copyright (C) 2000-2017 Free Software Foundation, Inc. |
ab91fdd5 | 3 | Contributed by Cygnus Solutions (a Red Hat company). |
fb40c209 AC |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
fb40c209 AC |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
fb40c209 AC |
19 | |
20 | #include "defs.h" | |
13274fc3 | 21 | #include "arch-utils.h" |
fb40c209 AC |
22 | #include "target.h" |
23 | #include "value.h" | |
24 | #include "mi-cmds.h" | |
25 | #include "mi-getopt.h" | |
92df71f0 FN |
26 | #include "ui-out.h" |
27 | #include "disasm.h" | |
8f0eea0e | 28 | |
2b03b41d | 29 | /* The arguments to be passed on the command line and parsed here are |
fb40c209 AC |
30 | either: |
31 | ||
32 | START-ADDRESS: address to start the disassembly at. | |
33 | END-ADDRESS: address to end the disassembly at. | |
34 | ||
35 | or: | |
36 | ||
37 | FILENAME: The name of the file where we want disassemble from. | |
38 | LINE: The line around which we want to disassemble. It will | |
39 | disassemble the function that contins that line. | |
b716877b | 40 | HOW_MANY: Number of disassembly lines to display. With source, it |
fb40c209 AC |
41 | is the number of disassembly lines only, not counting the source |
42 | lines. | |
43 | ||
44 | always required: | |
45 | ||
b716877b | 46 | MODE: 0 -- disassembly. |
6ff0ba5f | 47 | 1 -- disassembly and source (with deprecated source-centric view). |
b716877b | 48 | 2 -- disassembly and opcodes. |
6ff0ba5f DE |
49 | 3 -- disassembly, source-centric and opcodes. |
50 | 4 -- disassembly, and source (with pc-centric view). | |
51 | 5 -- disassembly, source (pc-centric) and opcodes. */ | |
2b03b41d | 52 | |
ce8f13f8 | 53 | void |
9f33b8b7 | 54 | mi_cmd_disassemble (const char *command, char **argv, int argc) |
fb40c209 | 55 | { |
13274fc3 | 56 | struct gdbarch *gdbarch = get_current_arch (); |
79a45e25 | 57 | struct ui_out *uiout = current_uiout; |
fb40c209 | 58 | CORE_ADDR start; |
fb40c209 | 59 | |
9a24775b PA |
60 | int mode; |
61 | gdb_disassembly_flags disasm_flags; | |
fb40c209 AC |
62 | struct symtab *s; |
63 | ||
8e2eec62 | 64 | /* Which options have we processed ... */ |
fb40c209 AC |
65 | int file_seen = 0; |
66 | int line_seen = 0; | |
67 | int num_seen = 0; | |
68 | int start_seen = 0; | |
69 | int end_seen = 0; | |
70 | ||
8e2eec62 AC |
71 | /* ... and their corresponding value. */ |
72 | char *file_string = NULL; | |
73 | int line_num = -1; | |
74 | int how_many = -1; | |
75 | CORE_ADDR low = 0; | |
76 | CORE_ADDR high = 0; | |
85c9d6a6 | 77 | struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); |
8e2eec62 | 78 | |
2b03b41d | 79 | /* Options processing stuff. */ |
81493c62 AS |
80 | int oind = 0; |
81 | char *oarg; | |
fb40c209 | 82 | enum opt |
fb40c209 | 83 | { |
27cdacdb EZ |
84 | FILE_OPT, LINE_OPT, NUM_OPT, START_OPT, END_OPT |
85 | }; | |
2b03b41d SS |
86 | static const struct mi_opt opts[] = |
87 | { | |
88 | {"f", FILE_OPT, 1}, | |
89 | {"l", LINE_OPT, 1}, | |
90 | {"n", NUM_OPT, 1}, | |
91 | {"s", START_OPT, 1}, | |
92 | {"e", END_OPT, 1}, | |
93 | { 0, 0, 0 } | |
94 | }; | |
fb40c209 AC |
95 | |
96 | /* Get the options with their arguments. Keep track of what we | |
2b03b41d | 97 | encountered. */ |
fb40c209 AC |
98 | while (1) |
99 | { | |
1b05df00 | 100 | int opt = mi_getopt ("-data-disassemble", argc, argv, opts, |
81493c62 | 101 | &oind, &oarg); |
fb40c209 AC |
102 | if (opt < 0) |
103 | break; | |
104 | switch ((enum opt) opt) | |
105 | { | |
106 | case FILE_OPT: | |
81493c62 | 107 | file_string = xstrdup (oarg); |
fb40c209 | 108 | file_seen = 1; |
85c9d6a6 | 109 | make_cleanup (xfree, file_string); |
fb40c209 AC |
110 | break; |
111 | case LINE_OPT: | |
81493c62 | 112 | line_num = atoi (oarg); |
fb40c209 AC |
113 | line_seen = 1; |
114 | break; | |
115 | case NUM_OPT: | |
81493c62 | 116 | how_many = atoi (oarg); |
fb40c209 AC |
117 | num_seen = 1; |
118 | break; | |
119 | case START_OPT: | |
81493c62 | 120 | low = parse_and_eval_address (oarg); |
fb40c209 AC |
121 | start_seen = 1; |
122 | break; | |
123 | case END_OPT: | |
81493c62 | 124 | high = parse_and_eval_address (oarg); |
fb40c209 AC |
125 | end_seen = 1; |
126 | break; | |
127 | } | |
128 | } | |
81493c62 AS |
129 | argv += oind; |
130 | argc -= oind; | |
fb40c209 AC |
131 | |
132 | /* Allow only filename + linenum (with how_many which is not | |
2b03b41d | 133 | required) OR start_addr + end_addr. */ |
fb40c209 AC |
134 | |
135 | if (!((line_seen && file_seen && num_seen && !start_seen && !end_seen) | |
136 | || (line_seen && file_seen && !num_seen && !start_seen && !end_seen) | |
27cdacdb | 137 | || (!line_seen && !file_seen && !num_seen && start_seen && end_seen))) |
1b05df00 | 138 | error (_("-data-disassemble: Usage: ( [-f filename -l linenum [-n " |
b716877b | 139 | "howmany]] | [-s startaddr -e endaddr]) [--] mode.")); |
fb40c209 AC |
140 | |
141 | if (argc != 1) | |
1b05df00 | 142 | error (_("-data-disassemble: Usage: [-f filename -l linenum " |
b716877b | 143 | "[-n howmany]] [-s startaddr -e endaddr] [--] mode.")); |
fb40c209 | 144 | |
b716877b | 145 | mode = atoi (argv[0]); |
6ff0ba5f DE |
146 | if (mode < 0 || mode > 5) |
147 | error (_("-data-disassemble: Mode argument must be in the range 0-5.")); | |
fb40c209 | 148 | |
2b03b41d | 149 | /* Convert the mode into a set of disassembly flags. */ |
b716877b | 150 | |
6ff0ba5f DE |
151 | disasm_flags = 0; /* Initialize here for -Wall. */ |
152 | switch (mode) | |
153 | { | |
154 | case 0: | |
155 | break; | |
156 | case 1: | |
157 | disasm_flags |= DISASSEMBLY_SOURCE_DEPRECATED; | |
158 | break; | |
159 | case 2: | |
160 | disasm_flags |= DISASSEMBLY_RAW_INSN; | |
161 | break; | |
162 | case 3: | |
163 | disasm_flags |= DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_RAW_INSN; | |
164 | break; | |
165 | case 4: | |
166 | disasm_flags |= DISASSEMBLY_SOURCE; | |
167 | break; | |
168 | case 5: | |
169 | disasm_flags |= DISASSEMBLY_SOURCE | DISASSEMBLY_RAW_INSN; | |
170 | break; | |
171 | default: | |
172 | gdb_assert_not_reached ("bad disassembly mode"); | |
173 | } | |
8f0eea0e | 174 | |
fb40c209 | 175 | /* We must get the function beginning and end where line_num is |
2b03b41d | 176 | contained. */ |
fb40c209 AC |
177 | |
178 | if (line_seen && file_seen) | |
179 | { | |
180 | s = lookup_symtab (file_string); | |
181 | if (s == NULL) | |
1b05df00 | 182 | error (_("-data-disassemble: Invalid filename.")); |
fb40c209 | 183 | if (!find_line_pc (s, line_num, &start)) |
1b05df00 | 184 | error (_("-data-disassemble: Invalid line number")); |
fb40c209 | 185 | if (find_pc_partial_function (start, NULL, &low, &high) == 0) |
1b05df00 | 186 | error (_("-data-disassemble: " |
9a2b4c1b | 187 | "No function contains specified address")); |
fb40c209 AC |
188 | } |
189 | ||
13274fc3 | 190 | gdb_disassembly (gdbarch, uiout, |
b716877b | 191 | disasm_flags, |
328d0145 | 192 | how_many, low, high); |
85c9d6a6 MS |
193 | |
194 | do_cleanups (cleanups); | |
fb40c209 | 195 | } |