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 (*breakpoint_p) = malloc(sizeof(breakpoint_t));
61 (*breakpoint_p)->address = address;
62 (*breakpoint_p)->length = length;
63 (*breakpoint_p)->type = type;
64 (*breakpoint_p)->set = 0;
65 (*breakpoint_p)->orig_instr = malloc(CEIL(length, 8));
66 (*breakpoint_p)->next = NULL;
68 if ((retval = target->type->add_breakpoint(target, *breakpoint_p)) != ERROR_OK)
72 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
73 INFO("can't add %s breakpoint, resource not available", breakpoint_type_strings[(*breakpoint_p)->type]);
78 case ERROR_TARGET_NOT_HALTED:
79 INFO("can't add breakpoint while target is running");
85 ERROR("unknown error");
91 DEBUG("added %s breakpoint at 0x%8.8x of length 0x%8.8x",
92 breakpoint_type_strings[(*breakpoint_p)->type],
93 (*breakpoint_p)->address, (*breakpoint_p)->length);
98 int breakpoint_remove(target_t *target, u32 address)
100 breakpoint_t *breakpoint = target->breakpoints;
101 breakpoint_t **breakpoint_p = &target->breakpoints;
106 if (breakpoint->address == address)
108 breakpoint_p = &breakpoint->next;
109 breakpoint = breakpoint->next;
114 if ((retval = target->type->remove_breakpoint(target, breakpoint)) != ERROR_OK)
118 case ERROR_TARGET_NOT_HALTED:
119 INFO("can't remove breakpoint while target is running");
123 ERROR("unknown error");
128 (*breakpoint_p) = breakpoint->next;
129 free(breakpoint->orig_instr);
134 ERROR("no breakpoint at address 0x%8.8x found", address);
140 breakpoint_t* breakpoint_find(target_t *target, u32 address)
142 breakpoint_t *breakpoint = target->breakpoints;
146 if (breakpoint->address == address)
148 breakpoint = breakpoint->next;
154 int watchpoint_add(target_t *target, u32 address, u32 length, enum watchpoint_rw rw, u32 value, u32 mask)
156 watchpoint_t *watchpoint = target->watchpoints;
157 watchpoint_t **watchpoint_p = &target->watchpoints;
162 if (watchpoint->address == address)
164 watchpoint_p = &watchpoint->next;
165 watchpoint = watchpoint->next;
168 (*watchpoint_p) = malloc(sizeof(watchpoint_t));
169 (*watchpoint_p)->address = address;
170 (*watchpoint_p)->length = length;
171 (*watchpoint_p)->value = value;
172 (*watchpoint_p)->mask = mask;
173 (*watchpoint_p)->rw = rw;
174 (*watchpoint_p)->set = 0;
175 (*watchpoint_p)->next = NULL;
177 if ((retval = target->type->add_watchpoint(target, *watchpoint_p)) != ERROR_OK)
181 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
182 INFO("can't add %s watchpoint, resource not available", watchpoint_rw_strings[(*watchpoint_p)->rw]);
183 free (*watchpoint_p);
184 *watchpoint_p = NULL;
187 case ERROR_TARGET_NOT_HALTED:
188 INFO("can't add watchpoint while target is running");
189 free (*watchpoint_p);
190 *watchpoint_p = NULL;
194 ERROR("unknown error");
200 DEBUG("added %s watchpoint at 0x%8.8x of length 0x%8.8x",
201 watchpoint_rw_strings[(*watchpoint_p)->rw],
202 (*watchpoint_p)->address, (*watchpoint_p)->length);
207 int watchpoint_remove(target_t *target, u32 address)
209 watchpoint_t *watchpoint = target->watchpoints;
210 watchpoint_t **watchpoint_p = &target->watchpoints;
215 if (watchpoint->address == address)
217 watchpoint_p = &watchpoint->next;
218 watchpoint = watchpoint->next;
223 if ((retval = target->type->remove_watchpoint(target, watchpoint)) != ERROR_OK)
225 ERROR("BUG: can't remove watchpoint");
228 (*watchpoint_p) = watchpoint->next;
233 ERROR("no watchpoint at address 0x%8.8x found", address);