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(length
);
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 LOG_INFO("can't add %s breakpoint, resource not available", breakpoint_type_strings
[(*breakpoint_p
)->type
]);
74 free((*breakpoint_p
)->orig_instr
);
79 case ERROR_TARGET_NOT_HALTED
:
80 LOG_INFO("can't add breakpoint while target is running");
81 free((*breakpoint_p
)->orig_instr
);
87 LOG_ERROR("unknown error");
93 LOG_DEBUG("added %s breakpoint at 0x%8.8x of length 0x%8.8x",
94 breakpoint_type_strings
[(*breakpoint_p
)->type
],
95 (*breakpoint_p
)->address
, (*breakpoint_p
)->length
);
100 int breakpoint_remove(target_t
*target
, u32 address
)
102 breakpoint_t
*breakpoint
= target
->breakpoints
;
103 breakpoint_t
**breakpoint_p
= &target
->breakpoints
;
108 if (breakpoint
->address
== address
)
110 breakpoint_p
= &breakpoint
->next
;
111 breakpoint
= breakpoint
->next
;
116 if ((retval
= target
->type
->remove_breakpoint(target
, breakpoint
)) != ERROR_OK
)
120 case ERROR_TARGET_NOT_HALTED
:
121 LOG_INFO("can't remove breakpoint while target is running");
125 LOG_ERROR("unknown error");
130 (*breakpoint_p
) = breakpoint
->next
;
131 free(breakpoint
->orig_instr
);
136 LOG_ERROR("no breakpoint at address 0x%8.8x found", address
);
142 breakpoint_t
* breakpoint_find(target_t
*target
, u32 address
)
144 breakpoint_t
*breakpoint
= target
->breakpoints
;
148 if (breakpoint
->address
== address
)
150 breakpoint
= breakpoint
->next
;
156 int watchpoint_add(target_t
*target
, u32 address
, u32 length
, enum watchpoint_rw rw
, u32 value
, u32 mask
)
158 watchpoint_t
*watchpoint
= target
->watchpoints
;
159 watchpoint_t
**watchpoint_p
= &target
->watchpoints
;
164 if (watchpoint
->address
== address
)
166 watchpoint_p
= &watchpoint
->next
;
167 watchpoint
= watchpoint
->next
;
170 (*watchpoint_p
) = malloc(sizeof(watchpoint_t
));
171 (*watchpoint_p
)->address
= address
;
172 (*watchpoint_p
)->length
= length
;
173 (*watchpoint_p
)->value
= value
;
174 (*watchpoint_p
)->mask
= mask
;
175 (*watchpoint_p
)->rw
= rw
;
176 (*watchpoint_p
)->set
= 0;
177 (*watchpoint_p
)->next
= NULL
;
179 if ((retval
= target
->type
->add_watchpoint(target
, *watchpoint_p
)) != ERROR_OK
)
183 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE
:
184 LOG_INFO("can't add %s watchpoint, resource not available", watchpoint_rw_strings
[(*watchpoint_p
)->rw
]);
185 free (*watchpoint_p
);
186 *watchpoint_p
= NULL
;
189 case ERROR_TARGET_NOT_HALTED
:
190 LOG_INFO("can't add watchpoint while target is running");
191 free (*watchpoint_p
);
192 *watchpoint_p
= NULL
;
196 LOG_ERROR("unknown error");
202 LOG_DEBUG("added %s watchpoint at 0x%8.8x of length 0x%8.8x",
203 watchpoint_rw_strings
[(*watchpoint_p
)->rw
],
204 (*watchpoint_p
)->address
, (*watchpoint_p
)->length
);
209 int watchpoint_remove(target_t
*target
, u32 address
)
211 watchpoint_t
*watchpoint
= target
->watchpoints
;
212 watchpoint_t
**watchpoint_p
= &target
->watchpoints
;
217 if (watchpoint
->address
== address
)
219 watchpoint_p
= &watchpoint
->next
;
220 watchpoint
= watchpoint
->next
;
225 if ((retval
= target
->type
->remove_watchpoint(target
, watchpoint
)) != ERROR_OK
)
229 case ERROR_TARGET_NOT_HALTED
:
230 LOG_INFO("can't remove watchpoint while target is running");
234 LOG_ERROR("unknown error");
239 (*watchpoint_p
) = watchpoint
->next
;
244 LOG_ERROR("no watchpoint at address 0x%8.8x found", address
);