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Line 33... | Line 33... | ||
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch/debugger.h> |
35 | #include <arch/debugger.h> |
36 | #include <console/kconsole.h> |
36 | #include <console/kconsole.h> |
37 | #include <console/cmd.h> |
37 | #include <console/cmd.h> |
38 | #include <symtab.h> |
- | |
39 | #include <print.h> |
38 | #include <print.h> |
40 | #include <panic.h> |
39 | #include <panic.h> |
41 | #include <interrupt.h> |
40 | #include <interrupt.h> |
42 | #include <arch/asm.h> |
41 | #include <arch/asm.h> |
43 | #include <arch/cpu.h> |
42 | #include <arch/cpu.h> |
44 | #include <debug.h> |
43 | #include <debug.h> |
45 | #include <func.h> |
44 | #include <func.h> |
46 | #include <smp/ipi.h> |
45 | #include <smp/ipi.h> |
- | 46 | #include <symtab.h> |
|
47 | 47 | ||
48 | typedef struct { |
48 | typedef struct { |
49 | uintptr_t address; /**< Breakpoint address */ |
49 | uintptr_t address; /**< Breakpoint address */ |
50 | int flags; /**< Flags regarding breakpoint */ |
50 | int flags; /**< Flags regarding breakpoint */ |
51 | int counter; /**< How many times the exception occured */ |
51 | int counter; /**< How many times the exception occured */ |
52 | } bpinfo_t; |
52 | } bpinfo_t; |
53 | 53 | ||
54 | static bpinfo_t breakpoints[BKPOINTS_MAX]; |
54 | static bpinfo_t breakpoints[BKPOINTS_MAX]; |
55 | SPINLOCK_INITIALIZE(bkpoint_lock); |
55 | SPINLOCK_INITIALIZE(bkpoint_lock); |
56 | 56 | ||
- | 57 | #ifdef CONFIG_KCONSOLE |
|
- | 58 | ||
57 | static int cmd_print_breakpoints(cmd_arg_t *argv); |
59 | static int cmd_print_breakpoints(cmd_arg_t *argv); |
58 | static cmd_info_t bkpts_info = { |
60 | static cmd_info_t bkpts_info = { |
59 | .name = "bkpts", |
61 | .name = "bkpts", |
60 | .description = "Print breakpoint table.", |
62 | .description = "Print breakpoint table.", |
61 | .func = cmd_print_breakpoints, |
63 | .func = cmd_print_breakpoints, |
62 | .argc = 0, |
64 | .argc = 0, |
63 | }; |
65 | }; |
64 | 66 | ||
65 | #ifndef CONFIG_DEBUG_AS_WATCHPOINT |
- | |
66 | - | ||
67 | static int cmd_del_breakpoint(cmd_arg_t *argv); |
67 | static int cmd_del_breakpoint(cmd_arg_t *argv); |
68 | static cmd_arg_t del_argv = { |
68 | static cmd_arg_t del_argv = { |
69 | .type = ARG_TYPE_INT |
69 | .type = ARG_TYPE_INT |
70 | }; |
70 | }; |
71 | static cmd_info_t delbkpt_info = { |
71 | static cmd_info_t delbkpt_info = { |
Line 97... | Line 97... | ||
97 | .func = cmd_add_breakpoint, |
97 | .func = cmd_add_breakpoint, |
98 | .argc = 1, |
98 | .argc = 1, |
99 | .argv = &addw_argv |
99 | .argv = &addw_argv |
100 | }; |
100 | }; |
101 | 101 | ||
102 | #endif |
- | |
103 | - | ||
104 | /** Print table of active breakpoints */ |
- | |
105 | int cmd_print_breakpoints(cmd_arg_t *argv __attribute__((unused))) |
- | |
106 | { |
- | |
107 | unsigned int i; |
- | |
108 | char *symbol; |
- | |
109 | - | ||
110 | #ifdef __32_BITS__ |
102 | #endif /* CONFIG_KCONSOLE */ |
111 | printf("# Count Address In symbol\n"); |
- | |
112 | printf("-- ----- ---------- ---------\n"); |
- | |
113 | #endif |
- | |
114 | - | ||
115 | #ifdef __64_BITS__ |
- | |
116 | printf("# Count Address In symbol\n"); |
- | |
117 | printf("-- ----- ------------------ ---------\n"); |
- | |
118 | #endif |
- | |
119 | - | ||
120 | for (i = 0; i < BKPOINTS_MAX; i++) |
- | |
121 | if (breakpoints[i].address) { |
- | |
122 | symbol = get_symtab_entry(breakpoints[i].address); |
- | |
123 | - | ||
124 | #ifdef __32_BITS__ |
- | |
125 | printf("%-2u %-5d %#10zx %s\n", i, |
- | |
126 | breakpoints[i].counter, breakpoints[i].address, |
- | |
127 | symbol); |
- | |
128 | #endif |
- | |
129 | - | ||
130 | #ifdef __64_BITS__ |
- | |
131 | printf("%-2u %-5d %#18zx %s\n", i, |
- | |
132 | breakpoints[i].counter, breakpoints[i].address, |
- | |
133 | symbol); |
- | |
134 | #endif |
- | |
135 | - | ||
136 | } |
- | |
137 | return 1; |
- | |
138 | } |
- | |
139 | 103 | ||
140 | /* Setup DR register according to table */ |
104 | /* Setup DR register according to table */ |
141 | static void setup_dr(int curidx) |
105 | static void setup_dr(int curidx) |
142 | { |
106 | { |
143 | unative_t dr7; |
107 | unative_t dr7; |
Line 235... | Line 199... | ||
235 | spinlock_unlock(&bkpoint_lock); |
199 | spinlock_unlock(&bkpoint_lock); |
236 | interrupts_restore(ipl); |
200 | interrupts_restore(ipl); |
237 | 201 | ||
238 | /* Send IPI */ |
202 | /* Send IPI */ |
239 | #ifdef CONFIG_SMP |
203 | #ifdef CONFIG_SMP |
240 | // ipi_broadcast(VECTOR_DEBUG_IPI); |
204 | // ipi_broadcast(VECTOR_DEBUG_IPI); |
241 | #endif |
205 | #endif |
242 | 206 | ||
243 | return curidx; |
207 | return curidx; |
244 | } |
208 | } |
245 | 209 | ||
246 | #ifdef amd64 |
210 | #ifdef __64_BITS__ |
247 | # define getip(x) ((x)->rip) |
211 | #define getip(x) ((x)->rip) |
248 | #else |
212 | #else |
249 | # define getip(x) ((x)->eip) |
213 | #define getip(x) ((x)->eip) |
250 | #endif |
214 | #endif |
251 | 215 | ||
252 | static void handle_exception(int slot, istate_t *istate) |
216 | static void handle_exception(int slot, istate_t *istate) |
253 | { |
217 | { |
254 | ASSERT(breakpoints[slot].address); |
218 | ASSERT(breakpoints[slot].address); |
Line 263... | Line 227... | ||
263 | } else { |
227 | } else { |
264 | printf("Data watchpoint - new data: %lx\n", |
228 | printf("Data watchpoint - new data: %lx\n", |
265 | *((unative_t *) breakpoints[slot].address)); |
229 | *((unative_t *) breakpoints[slot].address)); |
266 | } |
230 | } |
267 | } |
231 | } |
- | 232 | ||
268 | printf("Reached breakpoint %d:%lx(%s)\n", slot, getip(istate), |
233 | printf("Reached breakpoint %d:%lx (%s)\n", slot, getip(istate), |
269 | get_symtab_entry(getip(istate))); |
234 | symtab_fmt_name_lookup(getip(istate))); |
- | 235 | ||
270 | printf("***Type 'exit' to exit kconsole.\n"); |
236 | #ifdef CONFIG_KCONSOLE |
271 | atomic_set(&haltstate,1); |
237 | atomic_set(&haltstate, 1); |
272 | kconsole((void *) "debug"); |
238 | kconsole("debug", "Debug console ready.\n", false); |
273 | atomic_set(&haltstate,0); |
239 | atomic_set(&haltstate, 0); |
- | 240 | #endif |
|
274 | } |
241 | } |
275 | 242 | ||
276 | void breakpoint_del(int slot) |
243 | void breakpoint_del(int slot) |
277 | { |
244 | { |
278 | bpinfo_t *cur; |
245 | bpinfo_t *cur; |
Line 297... | Line 264... | ||
297 | #ifdef CONFIG_SMP |
264 | #ifdef CONFIG_SMP |
298 | // ipi_broadcast(VECTOR_DEBUG_IPI); |
265 | // ipi_broadcast(VECTOR_DEBUG_IPI); |
299 | #endif |
266 | #endif |
300 | } |
267 | } |
301 | 268 | ||
302 | #ifndef CONFIG_DEBUG_AS_WATCHPOINT |
- | |
303 | 269 | ||
304 | /** Remove breakpoint from table */ |
- | |
305 | int cmd_del_breakpoint(cmd_arg_t *argv) |
- | |
306 | { |
- | |
307 | unative_t bpno = argv->intval; |
- | |
308 | if (bpno > BKPOINTS_MAX) { |
- | |
309 | printf("Invalid breakpoint number.\n"); |
- | |
310 | return 0; |
- | |
311 | } |
- | |
312 | breakpoint_del(argv->intval); |
- | |
313 | return 1; |
- | |
314 | } |
- | |
315 | - | ||
316 | /** Add new breakpoint to table */ |
- | |
317 | static int cmd_add_breakpoint(cmd_arg_t *argv) |
- | |
318 | { |
- | |
319 | int flags; |
- | |
320 | int id; |
- | |
321 | - | ||
322 | if (argv == &add_argv) { |
- | |
323 | flags = BKPOINT_INSTR; |
- | |
324 | } else { /* addwatchp */ |
- | |
325 | flags = BKPOINT_WRITE; |
- | |
326 | } |
- | |
327 | printf("Adding breakpoint on address: %p\n", argv->intval); |
- | |
328 | id = breakpoint_add((void *)argv->intval, flags, -1); |
- | |
329 | if (id < 0) |
- | |
330 | printf("Add breakpoint failed.\n"); |
- | |
331 | else |
- | |
332 | printf("Added breakpoint %d.\n", id); |
- | |
333 | - | ||
334 | return 1; |
- | |
335 | } |
- | |
336 | #endif |
- | |
337 | 270 | ||
338 | static void debug_exception(int n __attribute__((unused)), istate_t *istate) |
271 | static void debug_exception(int n __attribute__((unused)), istate_t *istate) |
339 | { |
272 | { |
340 | unative_t dr6; |
273 | unative_t dr6; |
341 | int i; |
274 | int i; |
342 | 275 | ||
343 | /* Set RF to restart the instruction */ |
276 | /* Set RF to restart the instruction */ |
344 | #ifdef amd64 |
277 | #ifdef __64_BITS__ |
345 | istate->rflags |= RFLAGS_RF; |
278 | istate->rflags |= RFLAGS_RF; |
346 | #else |
279 | #else |
347 | istate->eflags |= EFLAGS_RF; |
280 | istate->eflags |= EFLAGS_RF; |
348 | #endif |
281 | #endif |
349 | 282 | ||
Line 377... | Line 310... | ||
377 | { |
310 | { |
378 | int i; |
311 | int i; |
379 | 312 | ||
380 | for (i = 0; i < BKPOINTS_MAX; i++) |
313 | for (i = 0; i < BKPOINTS_MAX; i++) |
381 | breakpoints[i].address = NULL; |
314 | breakpoints[i].address = NULL; |
382 | 315 | ||
- | 316 | #ifdef CONFIG_KCONSOLE |
|
383 | cmd_initialize(&bkpts_info); |
317 | cmd_initialize(&bkpts_info); |
384 | if (!cmd_register(&bkpts_info)) |
318 | if (!cmd_register(&bkpts_info)) |
385 | panic("could not register command %s\n", bkpts_info.name); |
319 | printf("Cannot register command %s\n", bkpts_info.name); |
386 | 320 | ||
387 | #ifndef CONFIG_DEBUG_AS_WATCHPOINT |
- | |
388 | cmd_initialize(&delbkpt_info); |
321 | cmd_initialize(&delbkpt_info); |
389 | if (!cmd_register(&delbkpt_info)) |
322 | if (!cmd_register(&delbkpt_info)) |
390 | panic("could not register command %s\n", delbkpt_info.name); |
323 | printf("Cannot register command %s\n", delbkpt_info.name); |
391 | 324 | ||
392 | cmd_initialize(&addbkpt_info); |
325 | cmd_initialize(&addbkpt_info); |
393 | if (!cmd_register(&addbkpt_info)) |
326 | if (!cmd_register(&addbkpt_info)) |
394 | panic("could not register command %s\n", addbkpt_info.name); |
327 | printf("Cannot register command %s\n", addbkpt_info.name); |
395 | 328 | ||
396 | cmd_initialize(&addwatchp_info); |
329 | cmd_initialize(&addwatchp_info); |
397 | if (!cmd_register(&addwatchp_info)) |
330 | if (!cmd_register(&addwatchp_info)) |
398 | panic("could not register command %s\n", addwatchp_info.name); |
331 | printf("Cannot register command %s\n", addwatchp_info.name); |
399 | #endif |
332 | #endif /* CONFIG_KCONSOLE */ |
400 | 333 | ||
401 | exc_register(VECTOR_DEBUG, "debugger", debug_exception); |
334 | exc_register(VECTOR_DEBUG, "debugger", debug_exception); |
402 | #ifdef CONFIG_SMP |
335 | #ifdef CONFIG_SMP |
403 | exc_register(VECTOR_DEBUG_IPI, "debugger_smp", debug_ipi); |
336 | exc_register(VECTOR_DEBUG_IPI, "debugger_smp", debug_ipi); |
404 | #endif |
337 | #endif |
405 | } |
338 | } |
406 | 339 | ||
- | 340 | #ifdef CONFIG_KCONSOLE |
|
- | 341 | /** Print table of active breakpoints */ |
|
- | 342 | int cmd_print_breakpoints(cmd_arg_t *argv __attribute__((unused))) |
|
- | 343 | { |
|
- | 344 | unsigned int i; |
|
- | 345 | char *symbol; |
|
- | 346 | ||
- | 347 | #ifdef __32_BITS__ |
|
- | 348 | printf("# Count Address In symbol\n"); |
|
- | 349 | printf("-- ----- ---------- ---------\n"); |
|
- | 350 | #endif |
|
- | 351 | ||
- | 352 | #ifdef __64_BITS__ |
|
- | 353 | printf("# Count Address In symbol\n"); |
|
- | 354 | printf("-- ----- ------------------ ---------\n"); |
|
- | 355 | #endif |
|
- | 356 | ||
- | 357 | for (i = 0; i < BKPOINTS_MAX; i++) |
|
- | 358 | if (breakpoints[i].address) { |
|
- | 359 | symbol = symtab_fmt_name_lookup( |
|
- | 360 | breakpoints[i].address); |
|
- | 361 | ||
- | 362 | #ifdef __32_BITS__ |
|
- | 363 | printf("%-2u %-5d %#10zx %s\n", i, |
|
- | 364 | breakpoints[i].counter, breakpoints[i].address, |
|
- | 365 | symbol); |
|
- | 366 | #endif |
|
- | 367 | ||
- | 368 | #ifdef __64_BITS__ |
|
- | 369 | printf("%-2u %-5d %#18zx %s\n", i, |
|
- | 370 | breakpoints[i].counter, breakpoints[i].address, |
|
- | 371 | symbol); |
|
- | 372 | #endif |
|
- | 373 | ||
- | 374 | } |
|
- | 375 | return 1; |
|
- | 376 | } |
|
- | 377 | ||
- | 378 | /** Remove breakpoint from table */ |
|
- | 379 | int cmd_del_breakpoint(cmd_arg_t *argv) |
|
- | 380 | { |
|
- | 381 | unative_t bpno = argv->intval; |
|
- | 382 | if (bpno > BKPOINTS_MAX) { |
|
- | 383 | printf("Invalid breakpoint number.\n"); |
|
- | 384 | return 0; |
|
- | 385 | } |
|
- | 386 | breakpoint_del(argv->intval); |
|
- | 387 | return 1; |
|
- | 388 | } |
|
- | 389 | ||
- | 390 | /** Add new breakpoint to table */ |
|
- | 391 | static int cmd_add_breakpoint(cmd_arg_t *argv) |
|
- | 392 | { |
|
- | 393 | int flags; |
|
- | 394 | int id; |
|
- | 395 | ||
- | 396 | if (argv == &add_argv) { |
|
- | 397 | flags = BKPOINT_INSTR; |
|
- | 398 | } else { /* addwatchp */ |
|
- | 399 | flags = BKPOINT_WRITE; |
|
- | 400 | } |
|
- | 401 | printf("Adding breakpoint on address: %p\n", argv->intval); |
|
- | 402 | id = breakpoint_add((void *)argv->intval, flags, -1); |
|
- | 403 | if (id < 0) |
|
- | 404 | printf("Add breakpoint failed.\n"); |
|
- | 405 | else |
|
- | 406 | printf("Added breakpoint %d.\n", id); |
|
- | 407 | ||
- | 408 | return 1; |
|
- | 409 | } |
|
- | 410 | #endif /* CONFIG_KCONSOLE */ |
|
- | 411 | ||
407 | /** @} |
412 | /** @} |
408 | */ |
413 | */ |