1 /* MI Command Set - disassemble commands.
2 Copyright (C) 2000-2017 Free Software Foundation, Inc.
3 Contributed by Cygnus Solutions (a Red Hat company).
5 This file is part of GDB.
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
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #include "arch-utils.h"
25 #include "mi-getopt.h"
29 /* The arguments to be passed on the command line and parsed here are
32 START-ADDRESS: address to start the disassembly at.
33 END-ADDRESS: address to end the disassembly at.
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.
40 HOW_MANY: Number of disassembly lines to display. With source, it
41 is the number of disassembly lines only, not counting the source
46 MODE: 0 -- disassembly.
47 1 -- disassembly and source (with deprecated source-centric view).
48 2 -- disassembly and opcodes.
49 3 -- disassembly, source-centric and opcodes.
50 4 -- disassembly, and source (with pc-centric view).
51 5 -- disassembly, source (pc-centric) and opcodes. */
54 mi_cmd_disassemble (const char *command, char **argv, int argc)
56 struct gdbarch *gdbarch = get_current_arch ();
57 struct ui_out *uiout = current_uiout;
61 gdb_disassembly_flags disasm_flags;
64 /* Which options have we processed ... */
71 /* ... and their corresponding value. */
72 char *file_string = NULL;
77 struct cleanup *cleanups = make_cleanup (null_cleanup, NULL);
79 /* Options processing stuff. */
84 FILE_OPT, LINE_OPT, NUM_OPT, START_OPT, END_OPT
86 static const struct mi_opt opts[] =
96 /* Get the options with their arguments. Keep track of what we
100 int opt = mi_getopt ("-data-disassemble", argc, argv, opts,
104 switch ((enum opt) opt)
107 file_string = xstrdup (oarg);
109 make_cleanup (xfree, file_string);
112 line_num = atoi (oarg);
116 how_many = atoi (oarg);
120 low = parse_and_eval_address (oarg);
124 high = parse_and_eval_address (oarg);
132 /* Allow only filename + linenum (with how_many which is not
133 required) OR start_addr + end_addr. */
135 if (!((line_seen && file_seen && num_seen && !start_seen && !end_seen)
136 || (line_seen && file_seen && !num_seen && !start_seen && !end_seen)
137 || (!line_seen && !file_seen && !num_seen && start_seen && end_seen)))
138 error (_("-data-disassemble: Usage: ( [-f filename -l linenum [-n "
139 "howmany]] | [-s startaddr -e endaddr]) [--] mode."));
142 error (_("-data-disassemble: Usage: [-f filename -l linenum "
143 "[-n howmany]] [-s startaddr -e endaddr] [--] mode."));
145 mode = atoi (argv[0]);
146 if (mode < 0 || mode > 5)
147 error (_("-data-disassemble: Mode argument must be in the range 0-5."));
149 /* Convert the mode into a set of disassembly flags. */
151 disasm_flags = 0; /* Initialize here for -Wall. */
157 disasm_flags |= DISASSEMBLY_SOURCE_DEPRECATED;
160 disasm_flags |= DISASSEMBLY_RAW_INSN;
163 disasm_flags |= DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_RAW_INSN;
166 disasm_flags |= DISASSEMBLY_SOURCE;
169 disasm_flags |= DISASSEMBLY_SOURCE | DISASSEMBLY_RAW_INSN;
172 gdb_assert_not_reached ("bad disassembly mode");
175 /* We must get the function beginning and end where line_num is
178 if (line_seen && file_seen)
180 s = lookup_symtab (file_string);
182 error (_("-data-disassemble: Invalid filename."));
183 if (!find_line_pc (s, line_num, &start))
184 error (_("-data-disassemble: Invalid line number"));
185 if (find_pc_partial_function (start, NULL, &low, &high) == 0)
186 error (_("-data-disassemble: "
187 "No function contains specified address"));
190 gdb_disassembly (gdbarch, uiout,
192 how_many, low, high);
194 do_cleanups (cleanups);