1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
26 #include "binarybuffer.h"
31 #include "breakpoints.h"
33 char *breakpoint_type_strings[] =
39 char *watchpoint_rw_strings[] =
46 int breakpoint_add(target_t *target, u32 address, u32 length, enum breakpoint_type type)
48 breakpoint_t *breakpoint = target->breakpoints;
49 breakpoint_t **breakpoint_p = &target->breakpoints;
54 if (breakpoint->address == address)
56 breakpoint_p = &breakpoint->next;
57 breakpoint = breakpoint->next;
60 if ((retval = target->type->add_breakpoint(target, address, length, type)) != ERROR_OK)
64 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
65 INFO("can't add %s breakpoint, resource not available", breakpoint_type_strings[type]);
68 case ERROR_TARGET_NOT_HALTED:
69 INFO("can't add breakpoint while target is running");
73 ERROR("unknown error");
79 (*breakpoint_p) = malloc(sizeof(breakpoint_t));
80 (*breakpoint_p)->address = address;
81 (*breakpoint_p)->length = length;
82 (*breakpoint_p)->type = type;
83 (*breakpoint_p)->set = 0;
84 (*breakpoint_p)->orig_instr = malloc(CEIL(length, 8));
85 (*breakpoint_p)->next = NULL;
87 DEBUG("added %s breakpoint at 0x%8.8x of length 0x%8.8x", breakpoint_type_strings[type], address, length);
92 int breakpoint_remove(target_t *target, u32 address)
94 breakpoint_t *breakpoint = target->breakpoints;
95 breakpoint_t **breakpoint_p = &target->breakpoints;
100 if (breakpoint->address == address)
102 breakpoint_p = &breakpoint->next;
103 breakpoint = breakpoint->next;
108 if ((retval = target->type->remove_breakpoint(target, breakpoint)) != ERROR_OK)
112 case ERROR_TARGET_NOT_HALTED:
113 INFO("can't remove breakpoint while target is running");
117 ERROR("unknown error");
122 (*breakpoint_p) = breakpoint->next;
123 free(breakpoint->orig_instr);
128 ERROR("no breakpoint at address 0x%8.8x found", address);
134 breakpoint_t* breakpoint_find(target_t *target, u32 address)
136 breakpoint_t *breakpoint = target->breakpoints;
140 if (breakpoint->address == address)
142 breakpoint = breakpoint->next;
148 int watchpoint_add(target_t *target, u32 address, u32 length, enum watchpoint_rw rw, u32 value, u32 mask)
150 watchpoint_t *watchpoint = target->watchpoints;
151 watchpoint_t **watchpoint_p = &target->watchpoints;
156 if (watchpoint->address == address)
158 watchpoint_p = &watchpoint->next;
159 watchpoint = watchpoint->next;
162 if ((retval = target->type->add_watchpoint(target, address, length, rw)) != ERROR_OK)
166 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
167 INFO("can't add %s watchpoint, resource not available", watchpoint_rw_strings[rw]);
170 case ERROR_TARGET_NOT_HALTED:
171 INFO("can't add watchpoint while target is running");
175 ERROR("unknown error");
181 (*watchpoint_p) = malloc(sizeof(watchpoint_t));
182 (*watchpoint_p)->address = address;
183 (*watchpoint_p)->length = length;
184 (*watchpoint_p)->value = value;
185 (*watchpoint_p)->mask = mask;
186 (*watchpoint_p)->rw = rw;
187 (*watchpoint_p)->set = 0;
188 (*watchpoint_p)->next = NULL;
190 DEBUG("added %s watchpoint at 0x%8.8x of length 0x%8.8x", watchpoint_rw_strings[rw], address, length);
195 int watchpoint_remove(target_t *target, u32 address)
197 watchpoint_t *watchpoint = target->watchpoints;
198 watchpoint_t **watchpoint_p = &target->watchpoints;
203 if (watchpoint->address == address)
205 watchpoint_p = &watchpoint->next;
206 watchpoint = watchpoint->next;
211 if ((retval = target->type->remove_watchpoint(target, watchpoint)) != ERROR_OK)
213 ERROR("BUG: can't remove watchpoint");
216 (*watchpoint_p) = watchpoint->next;
221 ERROR("no watchpoint at address 0x%8.8x found", address);