1 /* MI Command Set - disassemble commands.
2 Copyright (C) 2000, 2001, 2002, 2007, 2008, 2009, 2010, 2011
3 Free Software Foundation, Inc.
4 Contributed by Cygnus Solutions (a Red Hat company).
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #include "arch-utils.h"
26 #include "mi-getopt.h"
27 #include "gdb_string.h"
31 /* The arguments to be passed on the command line and parsed here are:
35 START-ADDRESS: address to start the disassembly at.
36 END-ADDRESS: address to end the disassembly at.
40 FILENAME: The name of the file where we want disassemble from.
41 LINE: The line around which we want to disassemble. It will
42 disassemble the function that contins that line.
43 HOW_MANY: Number of disassembly lines to display. With source, it
44 is the number of disassembly lines only, not counting the source
49 MODE: 0 -- disassembly.
50 1 -- disassembly and source.
51 2 -- disassembly and opcodes.
52 3 -- disassembly, source and opcodes.
55 mi_cmd_disassemble (char *command
, char **argv
, int argc
)
57 struct gdbarch
*gdbarch
= get_current_arch ();
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 struct mi_opt opts
[] = {
94 /* Get the options with their arguments. Keep track of what we
98 int opt
= mi_getopt ("-data-disassemble", argc
, argv
, opts
,
102 switch ((enum opt
) opt
)
105 file_string
= xstrdup (optarg
);
107 make_cleanup (xfree
, file_string
);
110 line_num
= atoi (optarg
);
114 how_many
= atoi (optarg
);
118 low
= parse_and_eval_address (optarg
);
122 high
= parse_and_eval_address (optarg
);
130 /* Allow only filename + linenum (with how_many which is not
131 required) OR start_addr + and_addr */
133 if (!((line_seen
&& file_seen
&& num_seen
&& !start_seen
&& !end_seen
)
134 || (line_seen
&& file_seen
&& !num_seen
&& !start_seen
&& !end_seen
)
135 || (!line_seen
&& !file_seen
&& !num_seen
&& start_seen
&& end_seen
)))
136 error (_("-data-disassemble: Usage: ( [-f filename -l linenum [-n "
137 "howmany]] | [-s startaddr -e endaddr]) [--] mode."));
140 error (_("-data-disassemble: Usage: [-f filename -l linenum "
141 "[-n howmany]] [-s startaddr -e endaddr] [--] mode."));
143 mode
= atoi (argv
[0]);
144 if (mode
< 0 || mode
> 3)
145 error (_("-data-disassemble: Mode argument must be 0, 1, 2, or 3."));
147 /* Convert the mode into a set of disassembly flags */
151 disasm_flags
|= DISASSEMBLY_SOURCE
;
153 disasm_flags
|= DISASSEMBLY_RAW_INSN
;
155 /* We must get the function beginning and end where line_num is
158 if (line_seen
&& file_seen
)
160 s
= lookup_symtab (file_string
);
162 error (_("-data-disassemble: Invalid filename."));
163 if (!find_line_pc (s
, line_num
, &start
))
164 error (_("-data-disassemble: Invalid line number"));
165 if (find_pc_partial_function (start
, NULL
, &low
, &high
) == 0)
166 error (_("-data-disassemble: "
167 "No function contains specified address"));
170 gdb_disassembly (gdbarch
, uiout
,
173 how_many
, low
, high
);
175 do_cleanups (cleanups
);
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