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[/] [or1k/] [trunk/] [insight/] [gdb/] [mi/] [mi-cmd-break.c] - Rev 1767
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/* MI Command Set - breakpoint and watchpoint commands. Copyright 2000, 2001 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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" /* Convenience macro for allocting typesafe memory. */ #undef XMALLOC #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE)) enum { FROM_TTY = 0 }; /* Output a single breakpoint. */ static void breakpoint_notify (int b) { gdb_breakpoint_query (b); } 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 }; /* 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 = set_gdb_event_hooks (&breakpoint_hooks); switch (type) { case REG_BP: rc = gdb_breakpoint (address, condition, 0 /*hardwareflag */ , temp_p, thread, ignore_count); break; case HW_BP: rc = gdb_breakpoint (address, condition, 1 /*hardwareflag */ , temp_p, thread, ignore_count); 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."); } set_gdb_event_hooks (old_hooks); if (rc == GDB_RC_FAIL) return MI_CMD_CAUGHT_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 }; /* 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: #ifdef UI_OUT watch_command_wrapper (expr, FROM_TTY); #endif break; case READ_WP: #ifdef UI_OUT rwatch_command_wrapper (expr, FROM_TTY); #endif break; case ACCESS_WP: #ifdef UI_OUT awatch_command_wrapper (expr, FROM_TTY); #endif break; default: error ("mi_cmd_break_watch: Unknown watchpoint type."); } return MI_CMD_DONE; }
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