/* MI Command Set - breakpoint and watchpoint commands. Copyright (C) 2000, 2001, 2002, 2007 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 2 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, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "defs.h" #include "mi-cmds.h" #include "ui-out.h" #include "mi-out.h" #include "breakpoint.h" #include "gdb_string.h" #include "mi-getopt.h" #include "gdb-events.h" #include "gdb.h" enum { FROM_TTY = 0 }; /* Output a single breakpoint. */ static void breakpoint_notify (int b) { gdb_breakpoint_query (uiout, b, NULL); } struct gdb_events breakpoint_hooks = { breakpoint_notify, breakpoint_notify, breakpoint_notify, }; enum bp_type { REG_BP, HW_BP, REGEXP_BP }; /* Insert a breakpoint. The type of breakpoint is specified by the first argument: -break-insert <location> --> insert a regular breakpoint. -break-insert -t <location> --> insert a temporary breakpoint. -break-insert -h <location> --> insert an hardware breakpoint. -break-insert -t -h <location> --> insert a temporary hw bp. -break-insert -r <regexp> --> insert a bp at functions matching <regexp> */ enum mi_cmd_result mi_cmd_break_insert (char *command, char **argv, int argc) { char *address = NULL; enum bp_type type = REG_BP; int temp_p = 0; int thread = -1; int ignore_count = 0; char *condition = NULL; enum gdb_rc rc; struct gdb_events *old_hooks; enum opt { HARDWARE_OPT, TEMP_OPT /*, REGEXP_OPT */ , CONDITION_OPT, IGNORE_COUNT_OPT, THREAD_OPT }; static struct mi_opt opts[] = { {"h", HARDWARE_OPT, 0}, {"t", TEMP_OPT, 0}, {"c", CONDITION_OPT, 1}, {"i", IGNORE_COUNT_OPT, 1}, {"p", THREAD_OPT, 1}, { 0, 0, 0 } }; /* Parse arguments. It could be -r or -h or -t, <location> or ``--'' to denote the end of the option list. */ int optind = 0; char *optarg; while (1) { int opt = mi_getopt ("mi_cmd_break_insert", argc, argv, opts, &optind, &optarg); if (opt < 0) break; switch ((enum opt) opt) { case TEMP_OPT: temp_p = 1; break; case HARDWARE_OPT: type = HW_BP; break; #if 0 case REGEXP_OPT: type = REGEXP_BP; break; #endif case CONDITION_OPT: condition = optarg; break; case IGNORE_COUNT_OPT: ignore_count = atol (optarg); break; case THREAD_OPT: thread = atol (optarg); break; } } if (optind >= argc) error (_("mi_cmd_break_insert: Missing <location>")); if (optind < argc - 1) error (_("mi_cmd_break_insert: Garbage following <location>")); address = argv[optind]; /* Now we have what we need, let's insert the breakpoint! */ old_hooks = deprecated_set_gdb_event_hooks (&breakpoint_hooks); switch (type) { case REG_BP: rc = gdb_breakpoint (address, condition, 0 /*hardwareflag */ , temp_p, thread, ignore_count, &mi_error_message); break; case HW_BP: rc = gdb_breakpoint (address, condition, 1 /*hardwareflag */ , temp_p, thread, ignore_count, &mi_error_message); break; #if 0 case REGEXP_BP: if (temp_p) error (_("mi_cmd_break_insert: Unsupported tempoary regexp breakpoint")); else rbreak_command_wrapper (address, FROM_TTY); return MI_CMD_DONE; break; #endif default: internal_error (__FILE__, __LINE__, _("mi_cmd_break_insert: Bad switch.")); } deprecated_set_gdb_event_hooks (old_hooks); if (rc == GDB_RC_FAIL) return MI_CMD_ERROR; else return MI_CMD_DONE; } enum wp_type { REG_WP, READ_WP, ACCESS_WP }; /* Insert a watchpoint. The type of watchpoint is specified by the first argument: -break-watch <expr> --> insert a regular wp. -break-watch -r <expr> --> insert a read watchpoint. -break-watch -a <expr> --> insert an access wp. */ enum mi_cmd_result mi_cmd_break_watch (char *command, char **argv, int argc) { char *expr = NULL; enum wp_type type = REG_WP; enum opt { READ_OPT, ACCESS_OPT }; static struct mi_opt opts[] = { {"r", READ_OPT, 0}, {"a", ACCESS_OPT, 0}, { 0, 0, 0 } }; /* Parse arguments. */ int optind = 0; char *optarg; while (1) { int opt = mi_getopt ("mi_cmd_break_watch", argc, argv, opts, &optind, &optarg); if (opt < 0) break; switch ((enum opt) opt) { case READ_OPT: type = READ_WP; break; case ACCESS_OPT: type = ACCESS_WP; break; } } if (optind >= argc) error (_("mi_cmd_break_watch: Missing <expression>")); if (optind < argc - 1) error (_("mi_cmd_break_watch: Garbage following <expression>")); expr = argv[optind]; /* Now we have what we need, let's insert the watchpoint! */ switch (type) { case REG_WP: watch_command_wrapper (expr, FROM_TTY); break; case READ_WP: rwatch_command_wrapper (expr, FROM_TTY); break; case ACCESS_WP: awatch_command_wrapper (expr, FROM_TTY); break; default: error (_("mi_cmd_break_watch: Unknown watchpoint type.")); } return MI_CMD_DONE; }