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 ***************************************************************************/
24 #include "binarybuffer.h"
29 #include "breakpoints.h"
31 char *breakpoint_type_strings
[] =
37 char *watchpoint_rw_strings
[] =
44 int breakpoint_add(target_t
*target
, u32 address
, u32 length
, enum breakpoint_type type
)
46 breakpoint_t
*breakpoint
= target
->breakpoints
;
47 breakpoint_t
**breakpoint_p
= &target
->breakpoints
;
52 if (breakpoint
->address
== address
)
54 breakpoint_p
= &breakpoint
->next
;
55 breakpoint
= breakpoint
->next
;
58 if ((retval
= target
->type
->add_breakpoint(target
, address
, length
, type
)) != ERROR_OK
)
62 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE
:
63 INFO("can't add %s breakpoint, resource not available", breakpoint_type_strings
[type
]);
66 case ERROR_TARGET_NOT_HALTED
:
67 INFO("can't add breakpoint while target is running");
71 ERROR("unknown error");
77 (*breakpoint_p
) = malloc(sizeof(breakpoint_t
));
78 (*breakpoint_p
)->address
= address
;
79 (*breakpoint_p
)->length
= length
;
80 (*breakpoint_p
)->type
= type
;
81 (*breakpoint_p
)->set
= 0;
82 (*breakpoint_p
)->orig_instr
= malloc(CEIL(length
, 8));
83 (*breakpoint_p
)->next
= NULL
;
85 DEBUG("added %s breakpoint at 0x%8.8x of length 0x%8.8x", breakpoint_type_strings
[type
], address
, length
);
90 int breakpoint_remove(target_t
*target
, u32 address
)
92 breakpoint_t
*breakpoint
= target
->breakpoints
;
93 breakpoint_t
**breakpoint_p
= &target
->breakpoints
;
98 if (breakpoint
->address
== address
)
100 breakpoint_p
= &breakpoint
->next
;
101 breakpoint
= breakpoint
->next
;
106 if ((retval
= target
->type
->remove_breakpoint(target
, breakpoint
)) != ERROR_OK
)
110 case ERROR_TARGET_NOT_HALTED
:
111 INFO("can't remove breakpoint while target is running");
115 ERROR("unknown error");
120 (*breakpoint_p
) = breakpoint
->next
;
121 free(breakpoint
->orig_instr
);
126 ERROR("no breakpoint at address 0x%8.8x found", address
);
132 breakpoint_t
* breakpoint_find(target_t
*target
, u32 address
)
134 breakpoint_t
*breakpoint
= target
->breakpoints
;
138 if (breakpoint
->address
== address
)
140 breakpoint
= breakpoint
->next
;
146 int watchpoint_add(target_t
*target
, u32 address
, u32 length
, enum watchpoint_rw rw
, u32 value
, u32 mask
)
148 watchpoint_t
*watchpoint
= target
->watchpoints
;
149 watchpoint_t
**watchpoint_p
= &target
->watchpoints
;
154 if (watchpoint
->address
== address
)
156 watchpoint_p
= &watchpoint
->next
;
157 watchpoint
= watchpoint
->next
;
160 if ((retval
= target
->type
->add_watchpoint(target
, address
, length
, rw
)) != ERROR_OK
)
164 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE
:
165 INFO("can't add %s watchpoint, resource not available", watchpoint_rw_strings
[rw
]);
169 ERROR("unknown error");
175 (*watchpoint_p
) = malloc(sizeof(watchpoint_t
));
176 (*watchpoint_p
)->address
= address
;
177 (*watchpoint_p
)->length
= length
;
178 (*watchpoint_p
)->value
= value
;
179 (*watchpoint_p
)->mask
= mask
;
180 (*watchpoint_p
)->rw
= rw
;
181 (*watchpoint_p
)->set
= 0;
182 (*watchpoint_p
)->next
= NULL
;
184 DEBUG("added %s watchpoint at 0x%8.8x of length 0x%8.8x", watchpoint_rw_strings
[rw
], address
, length
);
189 int watchpoint_remove(target_t
*target
, u32 address
)
191 watchpoint_t
*watchpoint
= target
->watchpoints
;
192 watchpoint_t
**watchpoint_p
= &target
->watchpoints
;
197 if (watchpoint
->address
== address
)
199 watchpoint_p
= &watchpoint
->next
;
200 watchpoint
= watchpoint
->next
;
205 if ((retval
= target
->type
->remove_watchpoint(target
, watchpoint
)) != ERROR_OK
)
207 ERROR("BUG: can't remove watchpoint");
210 (*watchpoint_p
) = watchpoint
->next
;
215 ERROR("no watchpoint at address 0x%8.8x found", address
);
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