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| Rev 3431 | Rev 4377 | ||
|---|---|---|---|
| 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; |
| Line 354... | Line 287... | ||
| 354 | } |
287 | } |
| 355 | } |
288 | } |
| 356 | #endif |
289 | #endif |
| 357 | 290 | ||
| 358 | /* Set RF to restart the instruction */ |
291 | /* Set RF to restart the instruction */ |
| 359 | #ifdef amd64 |
292 | #ifdef __64_BITS__ |
| 360 | istate->rflags |= RFLAGS_RF; |
293 | istate->rflags |= RFLAGS_RF; |
| 361 | #else |
294 | #else |
| 362 | istate->eflags |= EFLAGS_RF; |
295 | istate->eflags |= EFLAGS_RF; |
| 363 | #endif |
296 | #endif |
| 364 | 297 | ||
| Line 391... | Line 324... | ||
| 391 | { |
324 | { |
| 392 | int i; |
325 | int i; |
| 393 | 326 | ||
| 394 | for (i = 0; i < BKPOINTS_MAX; i++) |
327 | for (i = 0; i < BKPOINTS_MAX; i++) |
| 395 | breakpoints[i].address = NULL; |
328 | breakpoints[i].address = NULL; |
| 396 | 329 | ||
| - | 330 | #ifdef CONFIG_KCONSOLE |
|
| 397 | cmd_initialize(&bkpts_info); |
331 | cmd_initialize(&bkpts_info); |
| 398 | if (!cmd_register(&bkpts_info)) |
332 | if (!cmd_register(&bkpts_info)) |
| 399 | panic("could not register command %s\n", bkpts_info.name); |
333 | printf("Cannot register command %s\n", bkpts_info.name); |
| 400 | 334 | ||
| 401 | #ifndef CONFIG_DEBUG_AS_WATCHPOINT |
- | |
| 402 | cmd_initialize(&delbkpt_info); |
335 | cmd_initialize(&delbkpt_info); |
| 403 | if (!cmd_register(&delbkpt_info)) |
336 | if (!cmd_register(&delbkpt_info)) |
| 404 | panic("could not register command %s\n", delbkpt_info.name); |
337 | printf("Cannot register command %s\n", delbkpt_info.name); |
| 405 | 338 | ||
| 406 | cmd_initialize(&addbkpt_info); |
339 | cmd_initialize(&addbkpt_info); |
| 407 | if (!cmd_register(&addbkpt_info)) |
340 | if (!cmd_register(&addbkpt_info)) |
| 408 | panic("could not register command %s\n", addbkpt_info.name); |
341 | printf("Cannot register command %s\n", addbkpt_info.name); |
| 409 | 342 | ||
| 410 | cmd_initialize(&addwatchp_info); |
343 | cmd_initialize(&addwatchp_info); |
| 411 | if (!cmd_register(&addwatchp_info)) |
344 | if (!cmd_register(&addwatchp_info)) |
| 412 | panic("could not register command %s\n", addwatchp_info.name); |
345 | printf("Cannot register command %s\n", addwatchp_info.name); |
| 413 | #endif |
346 | #endif /* CONFIG_KCONSOLE */ |
| 414 | 347 | ||
| 415 | exc_register(VECTOR_DEBUG, "debugger", debug_exception); |
348 | exc_register(VECTOR_DEBUG, "debugger", debug_exception); |
| 416 | #ifdef CONFIG_SMP |
349 | #ifdef CONFIG_SMP |
| 417 | exc_register(VECTOR_DEBUG_IPI, "debugger_smp", debug_ipi); |
350 | exc_register(VECTOR_DEBUG_IPI, "debugger_smp", debug_ipi); |
| 418 | #endif |
351 | #endif |
| 419 | } |
352 | } |
| 420 | 353 | ||
| - | 354 | #ifdef CONFIG_KCONSOLE |
|
| - | 355 | /** Print table of active breakpoints */ |
|
| - | 356 | int cmd_print_breakpoints(cmd_arg_t *argv __attribute__((unused))) |
|
| - | 357 | { |
|
| - | 358 | unsigned int i; |
|
| - | 359 | char *symbol; |
|
| - | 360 | ||
| - | 361 | #ifdef __32_BITS__ |
|
| - | 362 | printf("# Count Address In symbol\n"); |
|
| - | 363 | printf("-- ----- ---------- ---------\n"); |
|
| - | 364 | #endif |
|
| - | 365 | ||
| - | 366 | #ifdef __64_BITS__ |
|
| - | 367 | printf("# Count Address In symbol\n"); |
|
| - | 368 | printf("-- ----- ------------------ ---------\n"); |
|
| - | 369 | #endif |
|
| - | 370 | ||
| - | 371 | for (i = 0; i < BKPOINTS_MAX; i++) |
|
| - | 372 | if (breakpoints[i].address) { |
|
| - | 373 | symbol = symtab_fmt_name_lookup( |
|
| - | 374 | breakpoints[i].address); |
|
| - | 375 | ||
| - | 376 | #ifdef __32_BITS__ |
|
| - | 377 | printf("%-2u %-5d %#10zx %s\n", i, |
|
| - | 378 | breakpoints[i].counter, breakpoints[i].address, |
|
| - | 379 | symbol); |
|
| - | 380 | #endif |
|
| - | 381 | ||
| - | 382 | #ifdef __64_BITS__ |
|
| - | 383 | printf("%-2u %-5d %#18zx %s\n", i, |
|
| - | 384 | breakpoints[i].counter, breakpoints[i].address, |
|
| - | 385 | symbol); |
|
| - | 386 | #endif |
|
| - | 387 | ||
| - | 388 | } |
|
| - | 389 | return 1; |
|
| - | 390 | } |
|
| - | 391 | ||
| - | 392 | /** Remove breakpoint from table */ |
|
| - | 393 | int cmd_del_breakpoint(cmd_arg_t *argv) |
|
| - | 394 | { |
|
| - | 395 | unative_t bpno = argv->intval; |
|
| - | 396 | if (bpno > BKPOINTS_MAX) { |
|
| - | 397 | printf("Invalid breakpoint number.\n"); |
|
| - | 398 | return 0; |
|
| - | 399 | } |
|
| - | 400 | breakpoint_del(argv->intval); |
|
| - | 401 | return 1; |
|
| - | 402 | } |
|
| - | 403 | ||
| - | 404 | /** Add new breakpoint to table */ |
|
| - | 405 | static int cmd_add_breakpoint(cmd_arg_t *argv) |
|
| - | 406 | { |
|
| - | 407 | int flags; |
|
| - | 408 | int id; |
|
| - | 409 | ||
| - | 410 | if (argv == &add_argv) { |
|
| - | 411 | flags = BKPOINT_INSTR; |
|
| - | 412 | } else { /* addwatchp */ |
|
| - | 413 | flags = BKPOINT_WRITE; |
|
| - | 414 | } |
|
| - | 415 | printf("Adding breakpoint on address: %p\n", argv->intval); |
|
| - | 416 | id = breakpoint_add((void *)argv->intval, flags, -1); |
|
| - | 417 | if (id < 0) |
|
| - | 418 | printf("Add breakpoint failed.\n"); |
|
| - | 419 | else |
|
| - | 420 | printf("Added breakpoint %d.\n", id); |
|
| - | 421 | ||
| - | 422 | return 1; |
|
| - | 423 | } |
|
| - | 424 | #endif /* CONFIG_KCONSOLE */ |
|
| - | 425 | ||
| 421 | /** @} |
426 | /** @} |
| 422 | */ |
427 | */ |