Ruby  2.0.0p598(2014-11-13revision48408)
vm_dump.c
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1 /**********************************************************************
2 
3  vm_dump.c -
4 
5  $Author: usa $
6 
7  Copyright (C) 2004-2007 Koichi Sasada
8 
9 **********************************************************************/
10 
11 
12 #include "ruby/ruby.h"
13 #include "addr2line.h"
14 #include "vm_core.h"
15 #include "internal.h"
16 
17 /* see vm_insnhelper.h for the values */
18 #ifndef VMDEBUG
19 #define VMDEBUG 0
20 #endif
21 
22 #define MAX_POSBUF 128
23 
24 #define VM_CFP_CNT(th, cfp) \
25  ((rb_control_frame_t *)((th)->stack + (th)->stack_size) - (rb_control_frame_t *)(cfp))
26 
27 static void
29 {
30  ptrdiff_t pc = -1;
31  ptrdiff_t ep = cfp->ep - th->stack;
32  char ep_in_heap = ' ';
33  char posbuf[MAX_POSBUF+1];
34  int line = 0;
35 
36  const char *magic, *iseq_name = "-", *selfstr = "-", *biseq_name = "-";
37  VALUE tmp;
38 
39  if (cfp->block_iseq != 0 && BUILTIN_TYPE(cfp->block_iseq) != T_NODE) {
40  biseq_name = ""; /* RSTRING(cfp->block_iseq->location.label)->ptr; */
41  }
42 
43  if (ep < 0 || (size_t)ep > th->stack_size) {
44  ep = (ptrdiff_t)cfp->ep;
45  ep_in_heap = 'p';
46  }
47 
48  switch (VM_FRAME_TYPE(cfp)) {
49  case VM_FRAME_MAGIC_TOP:
50  magic = "TOP";
51  break;
53  magic = "METHOD";
54  break;
56  magic = "CLASS";
57  break;
59  magic = "BLOCK";
60  break;
62  magic = "CFUNC";
63  break;
65  magic = "PROC";
66  break;
68  magic = "LAMBDA";
69  break;
71  magic = "IFUNC";
72  break;
74  magic = "EVAL";
75  break;
77  magic = "RESCUE";
78  break;
79  case 0:
80  magic = "------";
81  break;
82  default:
83  magic = "(none)";
84  break;
85  }
86 
87  if (0) {
88  tmp = rb_inspect(cfp->self);
89  selfstr = StringValueCStr(tmp);
90  }
91  else {
92  selfstr = "";
93  }
94 
95  if (cfp->iseq != 0) {
96  if (RUBY_VM_IFUNC_P(cfp->iseq)) {
97  iseq_name = "<ifunc>";
98  }
99  else {
100  pc = cfp->pc - cfp->iseq->iseq_encoded;
101  iseq_name = RSTRING_PTR(cfp->iseq->location.label);
102  line = rb_vm_get_sourceline(cfp);
103  if (line) {
104  snprintf(posbuf, MAX_POSBUF, "%s:%d", RSTRING_PTR(cfp->iseq->location.path), line);
105  }
106  }
107  }
108  else if (cfp->me) {
109  iseq_name = rb_id2name(cfp->me->def->original_id);
110  snprintf(posbuf, MAX_POSBUF, ":%s", iseq_name);
111  line = -1;
112  }
113 
114  fprintf(stderr, "c:%04"PRIdPTRDIFF" ",
115  ((rb_control_frame_t *)(th->stack + th->stack_size) - cfp));
116  if (pc == -1) {
117  fprintf(stderr, "p:---- ");
118  }
119  else {
120  fprintf(stderr, "p:%04"PRIdPTRDIFF" ", pc);
121  }
122  fprintf(stderr, "s:%04"PRIdPTRDIFF" ", cfp->sp - th->stack);
123  fprintf(stderr, ep_in_heap == ' ' ? "e:%06"PRIdPTRDIFF" " : "E:%06"PRIxPTRDIFF" ", ep % 10000);
124  fprintf(stderr, "%-6s", magic);
125  if (line) {
126  fprintf(stderr, " %s", posbuf);
127  }
128  if (VM_FRAME_TYPE_FINISH_P(cfp)) {
129  fprintf(stderr, " [FINISH]");
130  }
131  if (0) {
132  fprintf(stderr, " \t");
133  fprintf(stderr, "iseq: %-24s ", iseq_name);
134  fprintf(stderr, "self: %-24s ", selfstr);
135  fprintf(stderr, "%-1s ", biseq_name);
136  }
137  fprintf(stderr, "\n");
138 }
139 
140 void
142 {
143 #if 0
144  VALUE *sp = cfp->sp, *ep = cfp->ep;
145  VALUE *p, *st, *t;
146 
147  fprintf(stderr, "-- stack frame ------------\n");
148  for (p = st = th->stack; p < sp; p++) {
149  fprintf(stderr, "%04ld (%p): %08"PRIxVALUE, (long)(p - st), p, *p);
150 
151  t = (VALUE *)*p;
152  if (th->stack <= t && t < sp) {
153  fprintf(stderr, " (= %ld)", (long)((VALUE *)GC_GUARDED_PTR_REF(t) - th->stack));
154  }
155 
156  if (p == ep)
157  fprintf(stderr, " <- ep");
158 
159  fprintf(stderr, "\n");
160  }
161 #endif
162 
163  fprintf(stderr, "-- Control frame information "
164  "-----------------------------------------------\n");
165  while ((void *)cfp < (void *)(th->stack + th->stack_size)) {
166  control_frame_dump(th, cfp);
167  cfp++;
168  }
169  fprintf(stderr, "\n");
170 }
171 
172 void
174 {
177 }
178 
179 void
181 {
182  int i;
183  fprintf(stderr, "-- env --------------------\n");
184 
185  while (env) {
186  fprintf(stderr, "--\n");
187  for (i = 0; i < env->env_size; i++) {
188  fprintf(stderr, "%04d: %08"PRIxVALUE" (%p)", -env->local_size + i, env->env[i],
189  (void *)&env->env[i]);
190  if (&env->env[i] == ep)
191  fprintf(stderr, " <- ep");
192  fprintf(stderr, "\n");
193  }
194 
195  if (env->prev_envval != 0) {
196  GetEnvPtr(env->prev_envval, env);
197  }
198  else {
199  env = 0;
200  }
201  }
202  fprintf(stderr, "---------------------------\n");
203 }
204 
205 void
207 {
208  rb_env_t *env;
209  char *selfstr;
210  VALUE val = rb_inspect(proc->block.self);
211  selfstr = StringValueCStr(val);
212 
213  fprintf(stderr, "-- proc -------------------\n");
214  fprintf(stderr, "self: %s\n", selfstr);
215  GetEnvPtr(proc->envval, env);
216  rb_vmdebug_env_dump_raw(env, proc->block.ep);
217 }
218 
219 void
221 {
222  rb_thread_t *th;
223  GetThreadPtr(thval, th);
225 }
226 
227 #if VMDEBUG > 2
228 
229 /* copy from vm.c */
230 static VALUE *
232 {
234  VALUE *bp = prev_cfp->sp + cfp->iseq->local_size + 1;
235 
236  if (cfp->iseq->type == ISEQ_TYPE_METHOD) {
237  bp += 1;
238  }
239  return bp;
240 }
241 
242 static void
243 vm_stack_dump_each(rb_thread_t *th, rb_control_frame_t *cfp)
244 {
245  int i;
246 
247  VALUE rstr;
248  VALUE *sp = cfp->sp;
249  VALUE *ep = cfp->ep;
250 
251  int argc = 0, local_size = 0;
252  const char *name;
253  rb_iseq_t *iseq = cfp->iseq;
254 
255  if (iseq == 0) {
256  if (RUBYVM_CFUNC_FRAME_P(cfp)) {
257  name = rb_id2name(cfp->me->called_id);
258  }
259  else {
260  name = "?";
261  }
262  }
263  else if (RUBY_VM_IFUNC_P(iseq)) {
264  name = "<ifunc>";
265  }
266  else {
267  argc = iseq->argc;
268  local_size = iseq->local_size;
269  name = RSTRING_PTR(iseq->location.label);
270  }
271 
272  /* stack trace header */
273 
284  {
285 
286  VALUE *ptr = ep - local_size;
287 
288  control_frame_dump(th, cfp);
289 
290  for (i = 0; i < argc; i++) {
291  rstr = rb_inspect(*ptr);
292  fprintf(stderr, " arg %2d: %8s (%p)\n", i, StringValueCStr(rstr),
293  (void *)ptr++);
294  }
295  for (; i < local_size - 1; i++) {
296  rstr = rb_inspect(*ptr);
297  fprintf(stderr, " local %2d: %8s (%p)\n", i, StringValueCStr(rstr),
298  (void *)ptr++);
299  }
300 
301  ptr = vm_base_ptr(cfp);
302  for (; ptr < sp; ptr++, i++) {
303  if (*ptr == Qundef) {
304  rstr = rb_str_new2("undef");
305  }
306  else {
307  rstr = rb_inspect(*ptr);
308  }
309  fprintf(stderr, " stack %2d: %8s (%"PRIdPTRDIFF")\n", i, StringValueCStr(rstr),
310  (ptr - th->stack));
311  }
312  }
313  else if (VM_FRAME_TYPE_FINISH_P(cfp)) {
314  if ((th)->stack + (th)->stack_size > (VALUE *)(cfp + 1)) {
315  vm_stack_dump_each(th, cfp + 1);
316  }
317  else {
318  /* SDR(); */
319  }
320  }
321  else {
322  rb_bug("unsupport frame type: %08lx", VM_FRAME_TYPE(cfp));
323  }
324 }
325 #endif
326 
327 void
329 {
330  rb_control_frame_t *cfp = th->cfp;
331  ptrdiff_t pc = -1;
332  ptrdiff_t ep = cfp->ep - th->stack;
333  ptrdiff_t cfpi;
334 
335  if (RUBY_VM_NORMAL_ISEQ_P(cfp->iseq)) {
336  pc = cfp->pc - cfp->iseq->iseq_encoded;
337  }
338 
339  if (ep < 0 || (size_t)ep > th->stack_size) {
340  ep = -1;
341  }
342 
343  cfpi = ((rb_control_frame_t *)(th->stack + th->stack_size)) - cfp;
344  fprintf(stderr, " [PC] %04"PRIdPTRDIFF", [SP] %04"PRIdPTRDIFF", [EP] %04"PRIdPTRDIFF", [CFP] %04"PRIdPTRDIFF"\n",
345  pc, (cfp->sp - th->stack), ep, cfpi);
346 }
347 
348 void
350 {
351  rb_thread_t *th;
352  GetThreadPtr(thval, th);
354 }
355 
356 void
358 {
359  rb_iseq_t *iseq = cfp->iseq;
360 
361  if (iseq != 0) {
362  VALUE *seq = iseq->iseq;
363  ptrdiff_t pc = cfp->pc - iseq->iseq_encoded;
364  int i;
365 
366  for (i=0; i<(int)VM_CFP_CNT(th, cfp); i++) {
367  printf(" ");
368  }
369  printf("| ");
370  /* printf("%3"PRIdPTRDIFF" ", VM_CFP_CNT(th, cfp)); */
371  if (pc >= 0) {
372  rb_iseq_disasm_insn(0, seq, (size_t)pc, iseq, 0);
373  }
374  }
375 
376 #if VMDEBUG > 3
377  fprintf(stderr, " (1)");
379 #endif
380 }
381 
382 void
385  , VALUE reg_a, VALUE reg_b
386 #endif
387  )
388 {
389 #if VMDEBUG > 9
390  SDR2(cfp);
391 #endif
392 
393 #if VMDEBUG > 3
394  fprintf(stderr, " (2)");
396 #endif
397  /* stack_dump_raw(th, cfp); */
398 
399 #if VMDEBUG > 2
400  /* stack_dump_thobj(th); */
401  vm_stack_dump_each(th, th->cfp);
402 
403 #if OPT_STACK_CACHING
404  {
405  VALUE rstr;
406  rstr = rb_inspect(reg_a);
407  fprintf(stderr, " sc reg A: %s\n", StringValueCStr(rstr));
408  rstr = rb_inspect(reg_b);
409  fprintf(stderr, " sc reg B: %s\n", StringValueCStr(rstr));
410  }
411 #endif
412  printf
413  ("--------------------------------------------------------------\n");
414 #endif
415 }
416 
417 VALUE
419 {
420  rb_thread_t *th;
421  rb_control_frame_t *cfp;
422  GetThreadPtr(self, th);
423  cfp = th->cfp;
424 
425  fprintf(stderr, "Thread state dump:\n");
426  fprintf(stderr, "pc : %p, sp : %p\n", (void *)cfp->pc, (void *)cfp->sp);
427  fprintf(stderr, "cfp: %p, ep : %p\n", (void *)cfp, (void *)cfp->ep);
428 
429  return Qnil;
430 }
431 
432 #ifndef HAVE_BACKTRACE
433 #define HAVE_BACKTRACE 0
434 #endif
435 #if HAVE_BACKTRACE
436 # include <execinfo.h>
437 #elif defined(_WIN32)
438 # include <imagehlp.h>
439 # ifndef SYMOPT_DEBUG
440 # define SYMOPT_DEBUG 0x80000000
441 # endif
442 # ifndef MAX_SYM_NAME
443 # define MAX_SYM_NAME 2000
444 typedef struct {
445  DWORD64 Offset;
446  WORD Segment;
447  ADDRESS_MODE Mode;
448 } ADDRESS64;
449 typedef struct {
450  DWORD64 Thread;
451  DWORD ThCallbackStack;
452  DWORD ThCallbackBStore;
453  DWORD NextCallback;
454  DWORD FramePointer;
455  DWORD64 KiCallUserMode;
456  DWORD64 KeUserCallbackDispatcher;
457  DWORD64 SystemRangeStart;
458  DWORD64 KiUserExceptionDispatcher;
459  DWORD64 StackBase;
460  DWORD64 StackLimit;
461  DWORD64 Reserved[5];
462 } KDHELP64;
463 typedef struct {
464  ADDRESS64 AddrPC;
465  ADDRESS64 AddrReturn;
466  ADDRESS64 AddrFrame;
467  ADDRESS64 AddrStack;
468  ADDRESS64 AddrBStore;
469  void *FuncTableEntry;
470  DWORD64 Params[4];
471  BOOL Far;
472  BOOL Virtual;
473  DWORD64 Reserved[3];
474  KDHELP64 KdHelp;
475 } STACKFRAME64;
476 typedef struct {
477  ULONG SizeOfStruct;
478  ULONG TypeIndex;
479  ULONG64 Reserved[2];
480  ULONG Index;
481  ULONG Size;
482  ULONG64 ModBase;
483  ULONG Flags;
484  ULONG64 Value;
485  ULONG64 Address;
486  ULONG Register;
487  ULONG Scope;
488  ULONG Tag;
489  ULONG NameLen;
490  ULONG MaxNameLen;
491  char Name[1];
492 } SYMBOL_INFO;
493 typedef struct {
494  DWORD SizeOfStruct;
495  void *Key;
496  DWORD LineNumber;
497  char *FileName;
498  DWORD64 Address;
499 } IMAGEHLP_LINE64;
500 typedef void *PREAD_PROCESS_MEMORY_ROUTINE64;
501 typedef void *PFUNCTION_TABLE_ACCESS_ROUTINE64;
502 typedef void *PGET_MODULE_BASE_ROUTINE64;
503 typedef void *PTRANSLATE_ADDRESS_ROUTINE64;
504 # endif
505 
506 static void
507 dump_thread(void *arg)
508 {
509  HANDLE dbghelp;
510  BOOL (WINAPI *pSymInitialize)(HANDLE, const char *, BOOL);
511  BOOL (WINAPI *pSymCleanup)(HANDLE);
512  BOOL (WINAPI *pStackWalk64)(DWORD, HANDLE, HANDLE, STACKFRAME64 *, void *, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
513  DWORD64 (WINAPI *pSymGetModuleBase64)(HANDLE, DWORD64);
514  BOOL (WINAPI *pSymFromAddr)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *);
515  BOOL (WINAPI *pSymGetLineFromAddr64)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *);
516  HANDLE (WINAPI *pOpenThread)(DWORD, BOOL, DWORD);
517  DWORD tid = *(DWORD *)arg;
518  HANDLE ph;
519  HANDLE th;
520 
521  dbghelp = LoadLibrary("dbghelp.dll");
522  if (!dbghelp) return;
523  pSymInitialize = (BOOL (WINAPI *)(HANDLE, const char *, BOOL))GetProcAddress(dbghelp, "SymInitialize");
524  pSymCleanup = (BOOL (WINAPI *)(HANDLE))GetProcAddress(dbghelp, "SymCleanup");
525  pStackWalk64 = (BOOL (WINAPI *)(DWORD, HANDLE, HANDLE, STACKFRAME64 *, void *, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64))GetProcAddress(dbghelp, "StackWalk64");
526  pSymGetModuleBase64 = (DWORD64 (WINAPI *)(HANDLE, DWORD64))GetProcAddress(dbghelp, "SymGetModuleBase64");
527  pSymFromAddr = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *))GetProcAddress(dbghelp, "SymFromAddr");
528  pSymGetLineFromAddr64 = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *))GetProcAddress(dbghelp, "SymGetLineFromAddr64");
529  pOpenThread = (HANDLE (WINAPI *)(DWORD, BOOL, DWORD))GetProcAddress(GetModuleHandle("kernel32.dll"), "OpenThread");
530  if (pSymInitialize && pSymCleanup && pStackWalk64 && pSymGetModuleBase64 &&
531  pSymFromAddr && pSymGetLineFromAddr64 && pOpenThread) {
532  SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS | SYMOPT_DEBUG | SYMOPT_LOAD_LINES);
533  ph = GetCurrentProcess();
534  pSymInitialize(ph, NULL, TRUE);
535  th = pOpenThread(THREAD_SUSPEND_RESUME|THREAD_GET_CONTEXT, FALSE, tid);
536  if (th) {
537  if (SuspendThread(th) != (DWORD)-1) {
538  CONTEXT context;
539  memset(&context, 0, sizeof(context));
540  context.ContextFlags = CONTEXT_FULL;
541  if (GetThreadContext(th, &context)) {
542  char libpath[MAX_PATH];
543  char buf[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
544  SYMBOL_INFO *info = (SYMBOL_INFO *)buf;
545  DWORD mac;
546  STACKFRAME64 frame;
547  memset(&frame, 0, sizeof(frame));
548 #if defined(_M_AMD64) || defined(__x86_64__)
549  mac = IMAGE_FILE_MACHINE_AMD64;
550  frame.AddrPC.Mode = AddrModeFlat;
551  frame.AddrPC.Offset = context.Rip;
552  frame.AddrFrame.Mode = AddrModeFlat;
553  frame.AddrFrame.Offset = context.Rbp;
554  frame.AddrStack.Mode = AddrModeFlat;
555  frame.AddrStack.Offset = context.Rsp;
556 #elif defined(_M_IA64) || defined(__ia64__)
557  mac = IMAGE_FILE_MACHINE_IA64;
558  frame.AddrPC.Mode = AddrModeFlat;
559  frame.AddrPC.Offset = context.StIIP;
560  frame.AddrBStore.Mode = AddrModeFlat;
561  frame.AddrBStore.Offset = context.RsBSP;
562  frame.AddrStack.Mode = AddrModeFlat;
563  frame.AddrStack.Offset = context.IntSp;
564 #else /* i386 */
565  mac = IMAGE_FILE_MACHINE_I386;
566  frame.AddrPC.Mode = AddrModeFlat;
567  frame.AddrPC.Offset = context.Eip;
568  frame.AddrFrame.Mode = AddrModeFlat;
569  frame.AddrFrame.Offset = context.Ebp;
570  frame.AddrStack.Mode = AddrModeFlat;
571  frame.AddrStack.Offset = context.Esp;
572 #endif
573 
574  while (pStackWalk64(mac, ph, th, &frame, &context, NULL,
575  NULL, NULL, NULL)) {
576  DWORD64 addr = frame.AddrPC.Offset;
577  IMAGEHLP_LINE64 line;
578  DWORD64 displacement;
579  DWORD tmp;
580 
581  if (addr == frame.AddrReturn.Offset || addr == 0 ||
582  frame.AddrReturn.Offset == 0)
583  break;
584 
585  memset(buf, 0, sizeof(buf));
586  info->SizeOfStruct = sizeof(SYMBOL_INFO);
587  info->MaxNameLen = MAX_SYM_NAME;
588  if (pSymFromAddr(ph, addr, &displacement, info)) {
589  if (GetModuleFileName((HANDLE)(uintptr_t)pSymGetModuleBase64(ph, addr), libpath, sizeof(libpath)))
590  fprintf(stderr, "%s", libpath);
591  fprintf(stderr, "(%s+0x%I64x)",
592  info->Name, displacement);
593  }
594  fprintf(stderr, " [0x%p]", (void *)(VALUE)addr);
595  memset(&line, 0, sizeof(line));
596  line.SizeOfStruct = sizeof(line);
597  if (pSymGetLineFromAddr64(ph, addr, &tmp, &line))
598  fprintf(stderr, " %s:%lu", line.FileName, line.LineNumber);
599  fprintf(stderr, "\n");
600  }
601  }
602 
603  ResumeThread(th);
604  }
605  CloseHandle(th);
606  }
607  pSymCleanup(ph);
608  }
609  FreeLibrary(dbghelp);
610 }
611 #endif
612 
613 void
615 {
616 #ifdef __linux__
617 # define PROC_MAPS_NAME "/proc/self/maps"
618 #endif
619 #ifdef PROC_MAPS_NAME
620  enum {other_runtime_info = 1};
621 #else
622  enum {other_runtime_info = 0};
623 #endif
624  const rb_vm_t *const vm = GET_VM();
625 
626 #if defined __APPLE__
627  fputs("-- Crash Report log information "
628  "--------------------------------------------\n"
629  " See Crash Report log file under the one of following:\n"
630  " * ~/Library/Logs/CrashReporter\n"
631  " * /Library/Logs/CrashReporter\n"
632  " * ~/Library/Logs/DiagnosticReports\n"
633  " * /Library/Logs/DiagnosticReports\n"
634  " the more detail of.\n"
635  "\n",
636  stderr);
637 #endif
638  if (vm) {
639  SDR();
641  fputs("\n", stderr);
642  }
643 
644 #if HAVE_BACKTRACE || defined(_WIN32)
645  fprintf(stderr, "-- C level backtrace information "
646  "-------------------------------------------\n");
647 
648  {
649 #if HAVE_BACKTRACE
650 #define MAX_NATIVE_TRACE 1024
651  static void *trace[MAX_NATIVE_TRACE];
652  int n = backtrace(trace, MAX_NATIVE_TRACE);
653  char **syms = backtrace_symbols(trace, n);
654 
655  if (syms) {
656 #ifdef USE_ELF
657  rb_dump_backtrace_with_lines(n, trace, syms);
658 #else
659  int i;
660  for (i=0; i<n; i++) {
661  fprintf(stderr, "%s\n", syms[i]);
662  }
663 #endif
664  free(syms);
665  }
666 #elif defined(_WIN32)
667  DWORD tid = GetCurrentThreadId();
668  HANDLE th = (HANDLE)_beginthread(dump_thread, 0, &tid);
669  if (th != (HANDLE)-1)
670  WaitForSingleObject(th, INFINITE);
671 #endif
672  }
673 
674  fprintf(stderr, "\n");
675 #endif /* HAVE_BACKTRACE */
676 
677  if (other_runtime_info || vm) {
678  fprintf(stderr, "-- Other runtime information "
679  "-----------------------------------------------\n\n");
680  }
681  if (vm) {
682  int i;
683  VALUE name;
684  long len;
685  const int max_name_length = 1024;
686 # define LIMITED_NAME_LENGTH(s) \
687  (((len = RSTRING_LEN(s)) > max_name_length) ? max_name_length : (int)len)
688 
689  name = vm->progname;
690  fprintf(stderr, "* Loaded script: %.*s\n",
691  LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
692  fprintf(stderr, "\n");
693  fprintf(stderr, "* Loaded features:\n\n");
694  for (i=0; i<RARRAY_LEN(vm->loaded_features); i++) {
695  name = RARRAY_PTR(vm->loaded_features)[i];
696  if (RB_TYPE_P(name, T_STRING)) {
697  fprintf(stderr, " %4d %.*s\n", i,
698  LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
699  }
700  else {
701  fprintf(stderr, " %4d #<%s:%p>\n", i,
702  rb_class2name(CLASS_OF(name)), (void *)name);
703  }
704  }
705  fprintf(stderr, "\n");
706  }
707 
708  {
709 #ifdef PROC_MAPS_NAME
710  {
711  FILE *fp = fopen(PROC_MAPS_NAME, "r");
712  if (fp) {
713  fprintf(stderr, "* Process memory map:\n\n");
714 
715  while (!feof(fp)) {
716  char buff[0x100];
717  size_t rn = fread(buff, 1, 0x100, fp);
718  if (fwrite(buff, 1, rn, stderr) != rn)
719  break;
720  }
721 
722  fclose(fp);
723  fprintf(stderr, "\n\n");
724  }
725  }
726 #endif /* __linux__ */
727  }
728 }
#define RB_TYPE_P(obj, type)
RARRAY_PTR(q->result)[0]
rb_control_frame_t * cfp
Definition: vm_core.h:500
#define VM_FRAME_MAGIC_BLOCK
Definition: vm_core.h:726
volatile VALUE tmp
Definition: tcltklib.c:10208
int rb_iseq_disasm_insn(VALUE ret, VALUE *iseq, size_t pos, rb_iseq_t *iseqdat, VALUE child)
Disassemble a instruction Iseq -&gt; Iseq inspect object.
Definition: iseq.c:1266
VALUE * env
Definition: vm_core.h:682
ssize_t n
Definition: bigdecimal.c:5676
VALUE prev_envval
Definition: vm_core.h:685
VP_EXPORT int
Definition: bigdecimal.c:5071
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Definition: error.c:295
#define FALSE
Definition: nkf.h:174
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Definition: vm_backtrace.c:750
static VALUE VALUE th
Definition: tcltklib.c:2947
#define RUBY_VM_IFUNC_P(ptr)
Definition: vm_core.h:798
int rb_vm_get_sourceline(const rb_control_frame_t *cfp)
Definition: vm_backtrace.c:33
#define VM_CFP_CNT(th, cfp)
Definition: vm_dump.c:24
static void control_frame_dump(rb_thread_t *th, rb_control_frame_t *cfp)
Definition: vm_dump.c:28
Win32OLEIDispatch * p
Definition: win32ole.c:786
#define VM_FRAME_TYPE_FINISH_P(cfp)
Definition: vm_core.h:743
#define VM_FRAME_MAGIC_CFUNC
Definition: vm_core.h:729
VALUE rb_vmdebug_thread_dump_state(VALUE self)
Definition: vm_dump.c:418
#define RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp)
Definition: vm_core.h:789
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Definition: vm_core.h:799
VALUE progname
Definition: vm_core.h:381
VALUE proc
Definition: tcltklib.c:2958
ssize_t i
Definition: bigdecimal.c:5676
#define T_NODE
Tcl_CmdInfo * info
Definition: tcltklib.c:1462
int env_size
Definition: vm_core.h:683
void rb_vmdebug_stack_dump_th(VALUE thval)
Definition: vm_dump.c:220
#define RSTRING_PTR(str)
#define CLASS_OF(v)
#define MAX_POSBUF
Definition: vm_dump.c:22
#define SDR2(cfp)
Definition: vm_core.h:818
#define VM_FRAME_MAGIC_METHOD
Definition: vm_core.h:725
#define VM_FRAME_TYPE(cfp)
Definition: vm_core.h:738
ID called_id
Definition: method.h:99
#define VM_FRAME_MAGIC_IFUNC
Definition: vm_core.h:731
#define SDR()
Definition: vm_core.h:817
#define VM_FRAME_MAGIC_RESCUE
Definition: vm_core.h:734
#define GetEnvPtr(obj, ptr)
Definition: vm_core.h:678
#define rb_str_new2
void rb_vmdebug_stack_dump_raw(rb_thread_t *, rb_control_frame_t *)
Definition: vm_dump.c:141
VALUE envval
Definition: vm_core.h:671
#define OPT_STACK_CACHING
VALUE * iseq
Definition: vm_core.h:215
VALUE * stack
Definition: vm_core.h:498
enum rb_iseq_struct::iseq_type type
memset(y->frac+ix+1, 0,(y->Prec-(ix+1))*sizeof(BDIGIT))
#define RARRAY_LEN(a)
#define Qnil
Definition: tcltklib.c:1895
#define val
Definition: tcltklib.c:1948
rb_iseq_t * block_iseq
Definition: vm_core.h:433
IUnknown DWORD
Definition: win32ole.c:149
#define StringValueCStr(v)
int argc
argument information
Definition: vm_core.h:264
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Definition: vm_core.h:428
#define PRIxVALUE
#define T_STRING
#define PRIxPTRDIFF
void rb_vm_bugreport(void)
Definition: vm_dump.c:614
#define VM_FRAME_MAGIC_CLASS
Definition: vm_core.h:727
void rb_vmdebug_debug_print_pre(rb_thread_t *th, rb_control_frame_t *cfp)
Definition: vm_dump.c:357
unsigned char buf[MIME_BUF_SIZE]
Definition: nkf.c:4308
void rb_vmdebug_debug_print_register(rb_thread_t *th)
Definition: vm_dump.c:328
#define TRUE
Definition: nkf.h:175
VALUE loaded_features
Definition: vm_core.h:365
#define RUBYVM_CFUNC_FRAME_P(cfp)
Definition: vm_core.h:745
int local_size
Definition: vm_core.h:684
unsigned int uintptr_t
Definition: win32.h:94
#define VM_FRAME_MAGIC_EVAL
Definition: vm_core.h:732
VALUE * iseq_encoded
Definition: vm_core.h:216
int argc
Definition: tcltklib.c:1969
static VALUE * vm_base_ptr(rb_control_frame_t *cfp)
rb_iseq_location_t location
Definition: vm_core.h:213
void rb_vmdebug_env_dump_raw(rb_env_t *env, VALUE *ep)
Definition: vm_dump.c:180
#define free(x)
Definition: dln.c:50
return ptr
Definition: tcltklib.c:784
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Definition: vm_core.h:728
#define VM_FRAME_MAGIC_PROC
Definition: vm_core.h:730
const char * rb_class2name(VALUE)
Definition: variable.c:389
arg
Definition: ripper.y:1317
#define VM_FRAME_MAGIC_LAMBDA
Definition: vm_core.h:733
rb_block_t block
Definition: vm_core.h:669
#define Qundef
rb_method_definition_t * def
Definition: method.h:98
int t
Definition: ripper.c:14654
const rb_method_entry_t * me
Definition: vm_core.h:435
#define PRIdPTRDIFF
void rb_vmdebug_thread_dump_regs(VALUE thval)
Definition: vm_dump.c:349
int local_size
Definition: vm_core.h:229
#define GetThreadPtr(obj, ptr)
Definition: vm_core.h:452
void rb_vmdebug_proc_dump_raw(rb_proc_t *proc)
Definition: vm_dump.c:206
void rb_vmdebug_stack_dump_raw_current(void)
Definition: vm_dump.c:173
void rb_vmdebug_debug_print_post(rb_thread_t *th, rb_control_frame_t *cfp)
Definition: vm_dump.c:383
const char * rb_id2name(ID id)
Definition: ripper.c:17006
size_t stack_size
Definition: vm_core.h:499
#define BUILTIN_TYPE(x)
unsigned long VALUE
Definition: ripper.y:104
#define GC_GUARDED_PTR_REF(p)
Definition: vm_core.h:764
#define snprintf
#define feof(p)
Definition: vsnprintf.c:218
#define env
#define NULL
Definition: _sdbm.c:103
const char * name
Definition: nkf.c:208
static rb_thread_t * GET_THREAD(void)
Definition: vm_core.h:888
static ULONG(STDMETHODCALLTYPE AddRef)(IDispatch __RPC_FAR *This)
Definition: win32ole.c:614
#define bp()
Definition: vm_debug.h:27
Tcl_Interp *int * st
Definition: stubs.c:508
#define LIMITED_NAME_LENGTH(s)
VALUE * ep
Definition: vm_core.h:445
VALUE rb_inspect(VALUE)
Definition: object.c:411
#define GET_VM()
Definition: vm_core.h:881
size_t len
Definition: tcltklib.c:3567