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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #include <arch/debugger.h> |
29 | #include <arch/debugger.h> |
30 | #include <console/kconsole.h> |
30 | #include <console/kconsole.h> |
31 | #include <console/cmd.h> |
31 | #include <console/cmd.h> |
32 | #include <symtab.h> |
32 | #include <symtab.h> |
33 | #include <print.h> |
33 | #include <print.h> |
34 | #include <panic.h> |
34 | #include <panic.h> |
35 | #include <interrupt.h> |
35 | #include <interrupt.h> |
36 | #include <arch/asm.h> |
36 | #include <arch/asm.h> |
37 | #include <arch/cpu.h> |
37 | #include <arch/cpu.h> |
38 | #include <debug.h> |
38 | #include <debug.h> |
39 | #include <func.h> |
39 | #include <func.h> |
40 | 40 | ||
41 | typedef struct { |
41 | typedef struct { |
42 | __address address; /**< Breakpoint address */ |
42 | __address address; /**< Breakpoint address */ |
43 | int flags; /**< Flags regarding breakpoint */ |
43 | int flags; /**< Flags regarding breakpoint */ |
44 | int counter; /**< How many times the exception occured */ |
44 | int counter; /**< How many times the exception occured */ |
45 | } bpinfo_t; |
45 | } bpinfo_t; |
46 | 46 | ||
47 | static bpinfo_t breakpoints[BKPOINTS_MAX]; |
47 | static bpinfo_t breakpoints[BKPOINTS_MAX]; |
48 | SPINLOCK_INITIALIZE(bkpoint_lock); |
48 | SPINLOCK_INITIALIZE(bkpoint_lock); |
49 | 49 | ||
50 | static int cmd_print_breakpoints(cmd_arg_t *argv); |
50 | static int cmd_print_breakpoints(cmd_arg_t *argv); |
51 | static cmd_info_t bkpts_info = { |
51 | static cmd_info_t bkpts_info = { |
52 | .name = "bkpts", |
52 | .name = "bkpts", |
53 | .description = "Print breakpoint table.", |
53 | .description = "Print breakpoint table.", |
54 | .func = cmd_print_breakpoints, |
54 | .func = cmd_print_breakpoints, |
55 | .argc = 0, |
55 | .argc = 0, |
56 | }; |
56 | }; |
57 | 57 | ||
58 | static int cmd_del_breakpoint(cmd_arg_t *argv); |
58 | static int cmd_del_breakpoint(cmd_arg_t *argv); |
59 | static cmd_arg_t del_argv = { |
59 | static cmd_arg_t del_argv = { |
60 | .type = ARG_TYPE_INT |
60 | .type = ARG_TYPE_INT |
61 | }; |
61 | }; |
62 | static cmd_info_t delbkpt_info = { |
62 | static cmd_info_t delbkpt_info = { |
63 | .name = "delbkpt", |
63 | .name = "delbkpt", |
64 | .description = "delbkpt <number> - Delete breakpoint.", |
64 | .description = "delbkpt <number> - Delete breakpoint.", |
65 | .func = cmd_del_breakpoint, |
65 | .func = cmd_del_breakpoint, |
66 | .argc = 1, |
66 | .argc = 1, |
67 | .argv = &del_argv |
67 | .argv = &del_argv |
68 | }; |
68 | }; |
69 | 69 | ||
70 | static int cmd_add_breakpoint(cmd_arg_t *argv); |
70 | static int cmd_add_breakpoint(cmd_arg_t *argv); |
71 | static cmd_arg_t add_argv = { |
71 | static cmd_arg_t add_argv = { |
72 | .type = ARG_TYPE_INT |
72 | .type = ARG_TYPE_INT |
73 | }; |
73 | }; |
74 | static cmd_info_t addbkpt_info = { |
74 | static cmd_info_t addbkpt_info = { |
75 | .name = "addbkpt", |
75 | .name = "addbkpt", |
76 | .description = "addbkpt <&symbol> - new breakpoint.", |
76 | .description = "addbkpt <&symbol> - new breakpoint.", |
77 | .func = cmd_add_breakpoint, |
77 | .func = cmd_add_breakpoint, |
78 | .argc = 1, |
78 | .argc = 1, |
79 | .argv = &add_argv |
79 | .argv = &add_argv |
80 | }; |
80 | }; |
81 | 81 | ||
82 | static cmd_arg_t addw_argv = { |
82 | static cmd_arg_t addw_argv = { |
83 | .type = ARG_TYPE_INT |
83 | .type = ARG_TYPE_INT |
84 | }; |
84 | }; |
85 | static cmd_info_t addwatchp_info = { |
85 | static cmd_info_t addwatchp_info = { |
86 | .name = "addwatchp", |
86 | .name = "addwatchp", |
87 | .description = "addbwatchp <&symbol> - new write watchpoint.", |
87 | .description = "addbwatchp <&symbol> - new write watchpoint.", |
88 | .func = cmd_add_breakpoint, |
88 | .func = cmd_add_breakpoint, |
89 | .argc = 1, |
89 | .argc = 1, |
90 | .argv = &addw_argv |
90 | .argv = &addw_argv |
91 | }; |
91 | }; |
92 | 92 | ||
93 | 93 | ||
94 | /** Print table of active breakpoints */ |
94 | /** Print table of active breakpoints */ |
95 | int cmd_print_breakpoints(cmd_arg_t *argv) |
95 | int cmd_print_breakpoints(cmd_arg_t *argv) |
96 | { |
96 | { |
97 | int i; |
97 | int i; |
98 | char *symbol; |
98 | char *symbol; |
99 | 99 | ||
100 | printf("Breakpoint table.\n"); |
100 | printf("Breakpoint table.\n"); |
101 | for (i=0; i < BKPOINTS_MAX; i++) |
101 | for (i=0; i < BKPOINTS_MAX; i++) |
102 | if (breakpoints[i].address) { |
102 | if (breakpoints[i].address) { |
103 | symbol = get_symtab_entry(breakpoints[i].address); |
103 | symbol = get_symtab_entry(breakpoints[i].address); |
104 | printf("%d. 0x%p in %s\n",i, |
104 | printf("%d. 0x%p in %s\n",i, |
105 | breakpoints[i].address, symbol); |
105 | breakpoints[i].address, symbol); |
106 | printf(" Count(%d) ", breakpoints[i].counter); |
106 | printf(" Count(%d) ", breakpoints[i].counter); |
107 | printf("\n"); |
107 | printf("\n"); |
108 | } |
108 | } |
109 | return 1; |
109 | return 1; |
110 | } |
110 | } |
111 | 111 | ||
112 | /** Enable hardware breakpoint |
112 | /** Enable hardware breakpoint |
113 | * |
113 | * |
114 | * |
114 | * |
115 | * @param where Address of HW breakpoint |
115 | * @param where Address of HW breakpoint |
116 | * @param flags Type of breakpoint (EXECUTE, WRITE) |
116 | * @param flags Type of breakpoint (EXECUTE, WRITE) |
117 | * @return Debug slot on success, -1 - no available HW breakpoint |
117 | * @return Debug slot on success, -1 - no available HW breakpoint |
118 | */ |
118 | */ |
119 | int breakpoint_add(void * where, int flags) |
119 | int breakpoint_add(void * where, int flags) |
120 | { |
120 | { |
121 | bpinfo_t *cur = NULL; |
121 | bpinfo_t *cur = NULL; |
122 | int curidx; |
122 | int curidx; |
123 | ipl_t ipl; |
123 | ipl_t ipl; |
124 | int i; |
124 | int i; |
125 | __native dr7; |
125 | __native dr7; |
126 | 126 | ||
127 | ASSERT( flags & (BKPOINT_INSTR | BKPOINT_WRITE | BKPOINT_READ_WRITE)); |
127 | ASSERT( flags & (BKPOINT_INSTR | BKPOINT_WRITE | BKPOINT_READ_WRITE)); |
128 | 128 | ||
129 | ipl = interrupts_disable(); |
129 | ipl = interrupts_disable(); |
130 | spinlock_lock(&bkpoint_lock); |
130 | spinlock_lock(&bkpoint_lock); |
131 | 131 | ||
132 | /* Find free space in slots */ |
132 | /* Find free space in slots */ |
133 | for (i=0; i<BKPOINTS_MAX; i++) |
133 | for (i=0; i<BKPOINTS_MAX; i++) |
134 | if (!breakpoints[i].address) { |
134 | if (!breakpoints[i].address) { |
135 | cur = &breakpoints[i]; |
135 | cur = &breakpoints[i]; |
136 | curidx = i; |
136 | curidx = i; |
137 | break; |
137 | break; |
138 | } |
138 | } |
139 | if (!cur) { |
139 | if (!cur) { |
140 | /* Too many breakpoints */ |
140 | /* Too many breakpoints */ |
141 | spinlock_unlock(&bkpoint_lock); |
141 | spinlock_unlock(&bkpoint_lock); |
142 | interrupts_restore(ipl); |
142 | interrupts_restore(ipl); |
143 | return -1; |
143 | return -1; |
144 | } |
144 | } |
145 | cur->address = (__address) where; |
145 | cur->address = (__address) where; |
146 | cur->flags = flags; |
146 | cur->flags = flags; |
147 | cur->counter = 0; |
147 | cur->counter = 0; |
148 | 148 | ||
149 | /* Set breakpoint to debug registers */ |
149 | /* Set breakpoint to debug registers */ |
150 | switch (curidx) { |
150 | switch (curidx) { |
151 | case 0: |
151 | case 0: |
152 | write_dr0(cur->address); |
152 | write_dr0(cur->address); |
153 | break; |
153 | break; |
154 | case 1: |
154 | case 1: |
155 | write_dr1(cur->address); |
155 | write_dr1(cur->address); |
156 | break; |
156 | break; |
157 | case 2: |
157 | case 2: |
158 | write_dr2(cur->address); |
158 | write_dr2(cur->address); |
159 | break; |
159 | break; |
160 | case 3: |
160 | case 3: |
161 | write_dr3(cur->address); |
161 | write_dr3(cur->address); |
162 | break; |
162 | break; |
163 | } |
163 | } |
164 | dr7 = read_dr7(); |
164 | dr7 = read_dr7(); |
165 | /* Set type to requested breakpoint & length*/ |
165 | /* Set type to requested breakpoint & length*/ |
166 | dr7 &= ~ (0x3 << (16 + 4*curidx)); |
166 | dr7 &= ~ (0x3 << (16 + 4*curidx)); |
167 | dr7 &= ~ (0x3 << (18 + 4*curidx)); |
167 | dr7 &= ~ (0x3 << (18 + 4*curidx)); |
168 | if ((flags & BKPOINT_INSTR)) { |
168 | if ((flags & BKPOINT_INSTR)) { |
169 | printf("Instr breakpoint\n"); |
169 | printf("Instr breakpoint\n"); |
170 | ; |
170 | ; |
171 | } else { |
171 | } else { |
172 | if (sizeof(int) == 4) |
172 | if (sizeof(int) == 4) |
173 | dr7 |= 0x3 << (18 + 4*curidx); |
173 | dr7 |= 0x3 << (18 + 4*curidx); |
174 | else /* 8 */ |
174 | else /* 8 */ |
175 | dr7 |= 0x2 << (18 + 4*curidx); |
175 | dr7 |= 0x2 << (18 + 4*curidx); |
176 | 176 | ||
177 | if ((flags & BKPOINT_WRITE)) |
177 | if ((flags & BKPOINT_WRITE)) |
178 | dr7 |= 0x1 << (16 + 4*curidx); |
178 | dr7 |= 0x1 << (16 + 4*curidx); |
179 | else if ((flags & BKPOINT_READ_WRITE)) |
179 | else if ((flags & BKPOINT_READ_WRITE)) |
180 | dr7 |= 0x3 << (16 + 4*curidx); |
180 | dr7 |= 0x3 << (16 + 4*curidx); |
181 | } |
181 | } |
182 | 182 | ||
183 | /* Enable global breakpoint */ |
183 | /* Enable global breakpoint */ |
184 | dr7 |= 0x2 << (curidx*2); |
184 | dr7 |= 0x2 << (curidx*2); |
185 | 185 | ||
186 | write_dr7(dr7); |
186 | write_dr7(dr7); |
187 | 187 | ||
188 | spinlock_unlock(&bkpoint_lock); |
188 | spinlock_unlock(&bkpoint_lock); |
189 | interrupts_restore(ipl); |
189 | interrupts_restore(ipl); |
190 | 190 | ||
191 | return curidx; |
191 | return curidx; |
192 | } |
192 | } |
193 | 193 | ||
- | 194 | #ifdef amd64 |
|
- | 195 | # define getip(x) ((x)->rip) |
|
- | 196 | #else |
|
- | 197 | # define getip(x) ((x)->eip) |
|
- | 198 | #endif |
|
- | 199 | ||
194 | static void handle_exception(int slot, istate_t *istate) |
200 | static void handle_exception(int slot, istate_t *istate) |
195 | { |
201 | { |
196 | ASSERT(breakpoints[slot].address); |
202 | ASSERT(breakpoints[slot].address); |
197 | 203 | ||
198 | /* Handle zero checker */ |
204 | /* Handle zero checker */ |
199 | if (! (breakpoints[slot].flags & BKPOINT_INSTR)) { |
205 | if (! (breakpoints[slot].flags & BKPOINT_INSTR)) { |
200 | if ((breakpoints[slot].flags & BKPOINT_CHECK_ZERO)) { |
206 | if ((breakpoints[slot].flags & BKPOINT_CHECK_ZERO)) { |
201 | if (*((__native *) breakpoints[slot].address) != 0) |
207 | if (*((__native *) breakpoints[slot].address) != 0) |
202 | return; |
208 | return; |
203 | printf("**** Found ZERO on address %P ****\n", |
209 | printf("**** Found ZERO on address %P ****\n", |
204 | slot, breakpoints[slot].address); |
210 | slot, breakpoints[slot].address); |
205 | } else { |
211 | } else { |
206 | printf("Data watchpoint - new data: %P\n", |
212 | printf("Data watchpoint - new data: %P\n", |
207 | *((__native *) breakpoints[slot].address)); |
213 | *((__native *) breakpoints[slot].address)); |
208 | } |
214 | } |
209 | } |
215 | } |
210 | printf("Reached breakpoint %d:%P(%s)\n", slot, istate->rip, |
216 | printf("Reached breakpoint %d:%P(%s)\n", slot, getip(istate), |
211 | get_symtab_entry(istate->rip)); |
217 | get_symtab_entry(getip(istate))); |
212 | printf("***Type 'exit' to exit kconsole.\n"); |
218 | printf("***Type 'exit' to exit kconsole.\n"); |
213 | atomic_set(&haltstate,1); |
219 | atomic_set(&haltstate,1); |
214 | kconsole("debug"); |
220 | kconsole("debug"); |
215 | atomic_set(&haltstate,0); |
221 | atomic_set(&haltstate,0); |
216 | } |
222 | } |
217 | 223 | ||
218 | static void debug_exception(int n, istate_t *istate) |
224 | static void debug_exception(int n, istate_t *istate) |
219 | { |
225 | { |
220 | __native dr6; |
226 | __native dr6; |
221 | int i; |
227 | int i; |
222 | 228 | ||
223 | /* Set RF to restart the instruction */ |
229 | /* Set RF to restart the instruction */ |
- | 230 | #ifdef amd64 |
|
224 | istate->rflags |= RFLAGS_RF; |
231 | istate->rflags |= RFLAGS_RF; |
- | 232 | #else |
|
- | 233 | istate->eflags |= EFLAGS_RF; |
|
- | 234 | #endif |
|
225 | 235 | ||
226 | dr6 = read_dr6(); |
236 | dr6 = read_dr6(); |
227 | for (i=0; i < BKPOINTS_MAX; i++) { |
237 | for (i=0; i < BKPOINTS_MAX; i++) { |
228 | if (dr6 & (1 << i)) { |
238 | if (dr6 & (1 << i)) { |
229 | dr6 &= ~ (1 << i); |
239 | dr6 &= ~ (1 << i); |
230 | write_dr6(dr6); |
240 | write_dr6(dr6); |
231 | 241 | ||
232 | handle_exception(i, istate); |
242 | handle_exception(i, istate); |
233 | } |
243 | } |
234 | } |
244 | } |
235 | } |
245 | } |
236 | 246 | ||
237 | void breakpoint_del(int slot) |
247 | void breakpoint_del(int slot) |
238 | { |
248 | { |
239 | bpinfo_t *cur; |
249 | bpinfo_t *cur; |
240 | ipl_t ipl; |
250 | ipl_t ipl; |
241 | __native dr7; |
251 | __native dr7; |
242 | 252 | ||
243 | ipl = interrupts_disable(); |
253 | ipl = interrupts_disable(); |
244 | spinlock_lock(&bkpoint_lock); |
254 | spinlock_lock(&bkpoint_lock); |
245 | 255 | ||
246 | cur = &breakpoints[slot]; |
256 | cur = &breakpoints[slot]; |
247 | if (!cur->address) { |
257 | if (!cur->address) { |
248 | spinlock_unlock(&bkpoint_lock); |
258 | spinlock_unlock(&bkpoint_lock); |
249 | interrupts_restore(ipl); |
259 | interrupts_restore(ipl); |
250 | return; |
260 | return; |
251 | } |
261 | } |
252 | 262 | ||
253 | cur->address = NULL; |
263 | cur->address = NULL; |
254 | 264 | ||
255 | /* Disable breakpoint in DR7 */ |
265 | /* Disable breakpoint in DR7 */ |
256 | dr7 = read_dr7(); |
266 | dr7 = read_dr7(); |
257 | dr7 &= ~(0x2 << (slot*2)); |
267 | dr7 &= ~(0x2 << (slot*2)); |
258 | write_dr7(dr7); |
268 | write_dr7(dr7); |
259 | 269 | ||
260 | spinlock_unlock(&bkpoint_lock); |
270 | spinlock_unlock(&bkpoint_lock); |
261 | interrupts_restore(ipl); |
271 | interrupts_restore(ipl); |
262 | } |
272 | } |
263 | 273 | ||
264 | /** Remove breakpoint from table */ |
274 | /** Remove breakpoint from table */ |
265 | int cmd_del_breakpoint(cmd_arg_t *argv) |
275 | int cmd_del_breakpoint(cmd_arg_t *argv) |
266 | { |
276 | { |
267 | if (argv->intval < 0 || argv->intval > BKPOINTS_MAX) { |
277 | if (argv->intval < 0 || argv->intval > BKPOINTS_MAX) { |
268 | printf("Invalid breakpoint number.\n"); |
278 | printf("Invalid breakpoint number.\n"); |
269 | return 0; |
279 | return 0; |
270 | } |
280 | } |
271 | breakpoint_del(argv->intval); |
281 | breakpoint_del(argv->intval); |
272 | return 1; |
282 | return 1; |
273 | } |
283 | } |
274 | 284 | ||
275 | /** Add new breakpoint to table */ |
285 | /** Add new breakpoint to table */ |
276 | static int cmd_add_breakpoint(cmd_arg_t *argv) |
286 | static int cmd_add_breakpoint(cmd_arg_t *argv) |
277 | { |
287 | { |
278 | int flags; |
288 | int flags; |
279 | 289 | ||
280 | if (argv == &add_argv) { |
290 | if (argv == &add_argv) { |
281 | flags = BKPOINT_INSTR; |
291 | flags = BKPOINT_INSTR; |
282 | } else { /* addwatchp */ |
292 | } else { /* addwatchp */ |
283 | flags = BKPOINT_WRITE; |
293 | flags = BKPOINT_WRITE; |
284 | } |
294 | } |
285 | printf("Adding breakpoint on address: %p\n", argv->intval); |
295 | printf("Adding breakpoint on address: %p\n", argv->intval); |
286 | if (breakpoint_add((void *)argv->intval, flags)) |
296 | if (breakpoint_add((void *)argv->intval, flags)) |
287 | printf("Add breakpoint failed.\n"); |
297 | printf("Add breakpoint failed.\n"); |
288 | 298 | ||
289 | return 1; |
299 | return 1; |
290 | } |
300 | } |
291 | 301 | ||
292 | /** Initialize debugger */ |
302 | /** Initialize debugger */ |
293 | void debugger_init() |
303 | void debugger_init() |
294 | { |
304 | { |
295 | int i; |
305 | int i; |
296 | 306 | ||
297 | for (i=0; i<BKPOINTS_MAX; i++) |
307 | for (i=0; i<BKPOINTS_MAX; i++) |
298 | breakpoints[i].address = NULL; |
308 | breakpoints[i].address = NULL; |
299 | 309 | ||
300 | cmd_initialize(&bkpts_info); |
310 | cmd_initialize(&bkpts_info); |
301 | if (!cmd_register(&bkpts_info)) |
311 | if (!cmd_register(&bkpts_info)) |
302 | panic("could not register command %s\n", bkpts_info.name); |
312 | panic("could not register command %s\n", bkpts_info.name); |
303 | 313 | ||
304 | cmd_initialize(&delbkpt_info); |
314 | cmd_initialize(&delbkpt_info); |
305 | if (!cmd_register(&delbkpt_info)) |
315 | if (!cmd_register(&delbkpt_info)) |
306 | panic("could not register command %s\n", delbkpt_info.name); |
316 | panic("could not register command %s\n", delbkpt_info.name); |
307 | 317 | ||
308 | cmd_initialize(&addbkpt_info); |
318 | cmd_initialize(&addbkpt_info); |
309 | if (!cmd_register(&addbkpt_info)) |
319 | if (!cmd_register(&addbkpt_info)) |
310 | panic("could not register command %s\n", addbkpt_info.name); |
320 | panic("could not register command %s\n", addbkpt_info.name); |
311 | 321 | ||
312 | cmd_initialize(&addwatchp_info); |
322 | cmd_initialize(&addwatchp_info); |
313 | if (!cmd_register(&addwatchp_info)) |
323 | if (!cmd_register(&addwatchp_info)) |
314 | panic("could not register command %s\n", addwatchp_info.name); |
324 | panic("could not register command %s\n", addwatchp_info.name); |
315 | 325 | ||
316 | exc_register(VECTOR_DEBUG, "debugger", |
326 | exc_register(VECTOR_DEBUG, "debugger", |
317 | debug_exception); |
327 | debug_exception); |
318 | } |
328 | } |
319 | 329 |