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| Rev 851 | Rev 958 | ||
|---|---|---|---|
| Line 177... | Line 177... | ||
| 177 | cur->nextinstruction = ((__native *)cur->address)[1]; |
177 | cur->nextinstruction = ((__native *)cur->address)[1]; |
| 178 | if (argv == &add_argv) { |
178 | if (argv == &add_argv) { |
| 179 | cur->flags = 0; |
179 | cur->flags = 0; |
| 180 | } else { /* We are add extended */ |
180 | } else { /* We are add extended */ |
| 181 | cur->flags = BKPOINT_FUNCCALL; |
181 | cur->flags = BKPOINT_FUNCCALL; |
| 182 | cur->bkfunc = (void (*)(void *, struct exception_regdump *)) argv[1].intval; |
182 | cur->bkfunc = (void (*)(void *, istate_t *)) argv[1].intval; |
| 183 | } |
183 | } |
| 184 | if (is_jump(cur->instruction)) |
184 | if (is_jump(cur->instruction)) |
| 185 | cur->flags |= BKPOINT_ONESHOT; |
185 | cur->flags |= BKPOINT_ONESHOT; |
| 186 | cur->counter = 0; |
186 | cur->counter = 0; |
| 187 | 187 | ||
| Line 287... | Line 287... | ||
| 287 | * If found, call kconsole, set break on next instruction and reexecute. |
287 | * If found, call kconsole, set break on next instruction and reexecute. |
| 288 | * If we are on "next instruction", set it back on the first and reexecute. |
288 | * If we are on "next instruction", set it back on the first and reexecute. |
| 289 | * If breakpoint not found in breakpoint table, call kconsole and start |
289 | * If breakpoint not found in breakpoint table, call kconsole and start |
| 290 | * next instruction. |
290 | * next instruction. |
| 291 | */ |
291 | */ |
| 292 | void debugger_bpoint(struct exception_regdump *pstate) |
292 | void debugger_bpoint(istate_t *istate) |
| 293 | { |
293 | { |
| 294 | bpinfo_t *cur = NULL; |
294 | bpinfo_t *cur = NULL; |
| 295 | __address fireaddr = pstate->epc; |
295 | __address fireaddr = istate->epc; |
| 296 | int i; |
296 | int i; |
| 297 | 297 | ||
| 298 | /* test branch delay slot */ |
298 | /* test branch delay slot */ |
| 299 | if (cp0_cause_read() & 0x80000000) |
299 | if (cp0_cause_read() & 0x80000000) |
| 300 | panic("Breakpoint in branch delay slot not supported.\n"); |
300 | panic("Breakpoint in branch delay slot not supported.\n"); |
| Line 327... | Line 327... | ||
| 327 | if (cur->flags & BKPOINT_INPROG) |
327 | if (cur->flags & BKPOINT_INPROG) |
| 328 | printf("Warning: breakpoint recursion\n"); |
328 | printf("Warning: breakpoint recursion\n"); |
| 329 | 329 | ||
| 330 | if (!(cur->flags & BKPOINT_FUNCCALL)) |
330 | if (!(cur->flags & BKPOINT_FUNCCALL)) |
| 331 | printf("***Breakpoint %d: 0x%p in %s.\n", i, |
331 | printf("***Breakpoint %d: 0x%p in %s.\n", i, |
| 332 | fireaddr, get_symtab_entry(pstate->epc)); |
332 | fireaddr, get_symtab_entry(istate->epc)); |
| 333 | 333 | ||
| 334 | /* Return first instruction back */ |
334 | /* Return first instruction back */ |
| 335 | ((__u32 *)cur->address)[0] = cur->instruction; |
335 | ((__u32 *)cur->address)[0] = cur->instruction; |
| 336 | 336 | ||
| 337 | if (! (cur->flags & BKPOINT_ONESHOT)) { |
337 | if (! (cur->flags & BKPOINT_ONESHOT)) { |
| Line 342... | Line 342... | ||
| 342 | cur->flags |= BKPOINT_INPROG; |
342 | cur->flags |= BKPOINT_INPROG; |
| 343 | } else { |
343 | } else { |
| 344 | printf("***Breakpoint 0x%p in %s.\n", fireaddr, |
344 | printf("***Breakpoint 0x%p in %s.\n", fireaddr, |
| 345 | get_symtab_entry(fireaddr)); |
345 | get_symtab_entry(fireaddr)); |
| 346 | /* Move on to next instruction */ |
346 | /* Move on to next instruction */ |
| 347 | pstate->epc += 4; |
347 | istate->epc += 4; |
| 348 | } |
348 | } |
| 349 | if (cur) |
349 | if (cur) |
| 350 | cur->counter++; |
350 | cur->counter++; |
| 351 | if (cur && (cur->flags & BKPOINT_FUNCCALL)) { |
351 | if (cur && (cur->flags & BKPOINT_FUNCCALL)) { |
| 352 | /* Allow zero bkfunc, just for counting */ |
352 | /* Allow zero bkfunc, just for counting */ |
| 353 | if (cur->bkfunc) |
353 | if (cur->bkfunc) |
| 354 | cur->bkfunc(cur, pstate); |
354 | cur->bkfunc(cur, istate); |
| 355 | } else { |
355 | } else { |
| 356 | printf("***Type 'exit' to exit kconsole.\n"); |
356 | printf("***Type 'exit' to exit kconsole.\n"); |
| 357 | /* This disables all other processors - we are not SMP, |
357 | /* This disables all other processors - we are not SMP, |
| 358 | * actually this gets us to cpu_halt, if scheduler() is run |
358 | * actually this gets us to cpu_halt, if scheduler() is run |
| 359 | * - we generally do not want scheduler to be run from debug, |
359 | * - we generally do not want scheduler to be run from debug, |