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- /* MI Command Set - disassemble commands.
- Copyright (C) 2000-2022 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 3 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, see <http://www.gnu.org/licenses/>. */
- #include "defs.h"
- #include "arch-utils.h"
- #include "target.h"
- #include "value.h"
- #include "mi-cmds.h"
- #include "mi-getopt.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 contains that line.
- HOW_MANY: Number of disassembly lines to display. With source, it
- is the number of disassembly lines only, not counting the source
- lines.
- always required:
- MODE: 0 -- disassembly.
- 1 -- disassembly and source (with deprecated source-centric view).
- 2 -- disassembly and opcodes.
- 3 -- disassembly, source-centric and opcodes.
- 4 -- disassembly, and source (with pc-centric view).
- 5 -- disassembly, source (pc-centric) and opcodes. */
- void
- mi_cmd_disassemble (const char *command, char **argv, int argc)
- {
- struct gdbarch *gdbarch = get_current_arch ();
- struct ui_out *uiout = current_uiout;
- CORE_ADDR start;
- int mode;
- gdb_disassembly_flags disasm_flags;
- 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;
- int addr_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;
- CORE_ADDR addr = 0;
- /* Options processing stuff. */
- int oind = 0;
- char *oarg;
- enum opt
- {
- FILE_OPT, LINE_OPT, NUM_OPT, START_OPT, END_OPT, ADDR_OPT
- };
- static const struct mi_opt opts[] =
- {
- {"f", FILE_OPT, 1},
- {"l", LINE_OPT, 1},
- {"n", NUM_OPT, 1},
- {"s", START_OPT, 1},
- {"e", END_OPT, 1},
- {"a", ADDR_OPT, 1},
- { 0, 0, 0 }
- };
- /* Get the options with their arguments. Keep track of what we
- encountered. */
- while (1)
- {
- int opt = mi_getopt ("-data-disassemble", argc, argv, opts,
- &oind, &oarg);
- if (opt < 0)
- break;
- switch ((enum opt) opt)
- {
- case FILE_OPT:
- file_string = oarg;
- file_seen = 1;
- break;
- case LINE_OPT:
- line_num = atoi (oarg);
- line_seen = 1;
- break;
- case NUM_OPT:
- how_many = atoi (oarg);
- num_seen = 1;
- break;
- case START_OPT:
- low = parse_and_eval_address (oarg);
- start_seen = 1;
- break;
- case END_OPT:
- high = parse_and_eval_address (oarg);
- end_seen = 1;
- break;
- case ADDR_OPT:
- addr = parse_and_eval_address (oarg);
- addr_seen = 1;
- break;
- }
- }
- argv += oind;
- argc -= oind;
- /* Allow only filename + linenum (with how_many which is not
- required) OR start_addr + end_addr OR addr. */
- if (!(
- ( line_seen && file_seen && !start_seen && !end_seen
- && !addr_seen)
- || (!line_seen && !file_seen && !num_seen && start_seen && end_seen
- && !addr_seen)
- || (!line_seen && !file_seen && !num_seen && !start_seen && !end_seen
- && addr_seen))
- || argc != 1)
- error (_("-data-disassemble: Usage: ( [-f filename -l linenum "
- "[-n howmany]] | [-s startaddr -e endaddr] | [-a addr] ) [--] mode."));
- mode = atoi (argv[0]);
- if (mode < 0 || mode > 5)
- error (_("-data-disassemble: Mode argument must be in the range 0-5."));
- /* Convert the mode into a set of disassembly flags. */
- disasm_flags = 0; /* Initialize here for -Wall. */
- switch (mode)
- {
- case 0:
- break;
- case 1:
- disasm_flags |= DISASSEMBLY_SOURCE_DEPRECATED;
- break;
- case 2:
- disasm_flags |= DISASSEMBLY_RAW_INSN;
- break;
- case 3:
- disasm_flags |= DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_RAW_INSN;
- break;
- case 4:
- disasm_flags |= DISASSEMBLY_SOURCE;
- break;
- case 5:
- disasm_flags |= DISASSEMBLY_SOURCE | DISASSEMBLY_RAW_INSN;
- break;
- default:
- gdb_assert_not_reached ("bad disassembly mode");
- }
- /* 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 (_("-data-disassemble: Invalid filename."));
- if (!find_line_pc (s, line_num, &start))
- error (_("-data-disassemble: Invalid line number"));
- if (find_pc_partial_function (start, NULL, &low, &high) == 0)
- error (_("-data-disassemble: "
- "No function contains specified address"));
- }
- else if (addr_seen)
- {
- if (find_pc_partial_function (addr, NULL, &low, &high) == 0)
- error (_("-data-disassemble: "
- "No function contains specified address"));
- }
- gdb_disassembly (gdbarch, uiout,
- disasm_flags,
- how_many, low, high);
- }
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