1 /* MI Command Set - disassemble commands.
2 Copyright (C) 2000-2013 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"
26 #include "gdb_string.h"
30 /* The arguments to be passed on the command line and parsed here are
33 START-ADDRESS: address to start the disassembly at.
34 END-ADDRESS: address to end the disassembly at.
38 FILENAME: The name of the file where we want disassemble from.
39 LINE: The line around which we want to disassemble. It will
40 disassemble the function that contins that line.
41 HOW_MANY: Number of disassembly lines to display. With source, it
42 is the number of disassembly lines only, not counting the source
47 MODE: 0 -- disassembly.
48 1 -- disassembly and source.
49 2 -- disassembly and opcodes.
50 3 -- disassembly, source and opcodes.
54 mi_cmd_disassemble (char *command, char **argv, int argc)
56 struct gdbarch *gdbarch = get_current_arch ();
57 struct ui_out *uiout = current_uiout;
60 int mode, disasm_flags;
63 /* Which options have we processed ... */
70 /* ... and their corresponding value. */
71 char *file_string = NULL;
76 struct cleanup *cleanups = make_cleanup (null_cleanup, NULL);
78 /* Options processing stuff. */
83 FILE_OPT, LINE_OPT, NUM_OPT, START_OPT, END_OPT
85 static const struct mi_opt opts[] =
95 /* Get the options with their arguments. Keep track of what we
99 int opt = mi_getopt ("-data-disassemble", argc, argv, opts,
103 switch ((enum opt) opt)
106 file_string = xstrdup (oarg);
108 make_cleanup (xfree, file_string);
111 line_num = atoi (oarg);
115 how_many = atoi (oarg);
119 low = parse_and_eval_address (oarg);
123 high = parse_and_eval_address (oarg);
131 /* Allow only filename + linenum (with how_many which is not
132 required) OR start_addr + end_addr. */
134 if (!((line_seen && file_seen && num_seen && !start_seen && !end_seen)
135 || (line_seen && file_seen && !num_seen && !start_seen && !end_seen)
136 || (!line_seen && !file_seen && !num_seen && start_seen && end_seen)))
137 error (_("-data-disassemble: Usage: ( [-f filename -l linenum [-n "
138 "howmany]] | [-s startaddr -e endaddr]) [--] mode."));
141 error (_("-data-disassemble: Usage: [-f filename -l linenum "
142 "[-n howmany]] [-s startaddr -e endaddr] [--] mode."));
144 mode = atoi (argv[0]);
145 if (mode < 0 || mode > 3)
146 error (_("-data-disassemble: Mode argument must be 0, 1, 2, or 3."));
148 /* Convert the mode into a set of disassembly flags. */
152 disasm_flags |= DISASSEMBLY_SOURCE;
154 disasm_flags |= DISASSEMBLY_RAW_INSN;
156 /* We must get the function beginning and end where line_num is
159 if (line_seen && file_seen)
161 s = lookup_symtab (file_string);
163 error (_("-data-disassemble: Invalid filename."));
164 if (!find_line_pc (s, line_num, &start))
165 error (_("-data-disassemble: Invalid line number"));
166 if (find_pc_partial_function (start, NULL, &low, &high) == 0)
167 error (_("-data-disassemble: "
168 "No function contains specified address"));
171 gdb_disassembly (gdbarch, uiout,
174 how_many, low, high);
176 do_cleanups (cleanups);