22 #define MAX_POSBUF 128
24 #define VM_CFP_CNT(th, cfp) \
25 ((rb_control_frame_t *)((th)->stack + (th)->stack_size) - (rb_control_frame_t *)(cfp))
31 ptrdiff_t ep = cfp->
ep - th->
stack;
32 char ep_in_heap =
' ';
36 const char *magic, *iseq_name =
"-", *selfstr =
"-", *biseq_name =
"-";
44 ep = (ptrdiff_t)cfp->
ep;
94 iseq_name =
"<ifunc>";
114 fprintf(stderr,
"p:---- ");
121 fprintf(stderr,
"%-6s", magic);
123 fprintf(stderr,
" %s", posbuf);
126 fprintf(stderr,
" [FINISH]");
129 fprintf(stderr,
" \t");
130 fprintf(stderr,
"iseq: %-24s ", iseq_name);
131 fprintf(stderr,
"self: %-24s ", selfstr);
132 fprintf(stderr,
"%-1s ", biseq_name);
134 fprintf(stderr,
"\n");
144 fprintf(stderr,
"-- stack frame ------------\n");
145 for (p = st = th->
stack; p < sp; p++) {
146 fprintf(stderr,
"%04ld (%p): %08"PRIxVALUE, (
long)(p - st), p, *p);
149 if (th->
stack <= t && t < sp) {
154 fprintf(stderr,
" <- ep");
156 fprintf(stderr,
"\n");
160 fprintf(stderr,
"-- Control frame information "
161 "-----------------------------------------------\n");
166 fprintf(stderr,
"\n");
180 fprintf(stderr,
"-- env --------------------\n");
183 fprintf(stderr,
"--\n");
184 for (i = 0; i < env->
env_size; i++) {
186 (
void *)&env->
env[i]);
187 if (&env->
env[i] == ep)
188 fprintf(stderr,
" <- ep");
189 fprintf(stderr,
"\n");
199 fprintf(stderr,
"---------------------------\n");
210 fprintf(stderr,
"-- proc -------------------\n");
211 fprintf(stderr,
"self: %s\n", selfstr);
233 if (cfp->
iseq->
type == ISEQ_TYPE_METHOD) {
248 int argc = 0, local_size = 0;
281 VALUE *ptr = ep - local_size;
285 for (i = 0; i <
argc; i++) {
290 for (; i < local_size - 1; i++) {
297 for (; ptr < sp; ptr++, i++) {
309 if ((th)->stack + (th)->stack_size > (
VALUE *)(cfp + 1)) {
310 vm_stack_dump_each(th, cfp + 1);
327 ptrdiff_t ep = cfp->
ep - th->
stack;
340 pc, (cfp->
sp - th->
stack), ep, cfpi);
372 fprintf(stderr,
" (1)");
389 fprintf(stderr,
" (2)");
396 vm_stack_dump_each(th, th->
cfp);
398 #if OPT_STACK_CACHING
408 (
"--------------------------------------------------------------\n");
420 fprintf(stderr,
"Thread state dump:\n");
421 fprintf(stderr,
"pc : %p, sp : %p\n", (
void *)cfp->
pc, (
void *)cfp->
sp);
422 fprintf(stderr,
"cfp: %p, ep : %p\n", (
void *)cfp, (
void *)cfp->
ep);
427 #ifndef HAVE_BACKTRACE
428 #define HAVE_BACKTRACE 0
431 # include <execinfo.h>
432 #elif defined(_WIN32)
433 # include <imagehlp.h>
434 # ifndef SYMOPT_DEBUG
435 # define SYMOPT_DEBUG 0x80000000
437 # ifndef MAX_SYM_NAME
438 # define MAX_SYM_NAME 2000
446 DWORD ThCallbackStack;
447 DWORD ThCallbackBStore;
450 DWORD64 KiCallUserMode;
451 DWORD64 KeUserCallbackDispatcher;
452 DWORD64 SystemRangeStart;
453 DWORD64 KiUserExceptionDispatcher;
460 ADDRESS64 AddrReturn;
463 ADDRESS64 AddrBStore;
464 void *FuncTableEntry;
495 typedef void *PREAD_PROCESS_MEMORY_ROUTINE64;
496 typedef void *PFUNCTION_TABLE_ACCESS_ROUTINE64;
497 typedef void *PGET_MODULE_BASE_ROUTINE64;
498 typedef void *PTRANSLATE_ADDRESS_ROUTINE64;
502 dump_thread(
void *
arg)
505 BOOL (WINAPI *pSymInitialize)(HANDLE,
const char *, BOOL);
506 BOOL (WINAPI *pSymCleanup)(HANDLE);
507 BOOL (WINAPI *pStackWalk64)(
DWORD, HANDLE, HANDLE, STACKFRAME64 *,
void *, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
508 DWORD64 (WINAPI *pSymGetModuleBase64)(HANDLE, DWORD64);
509 BOOL (WINAPI *pSymFromAddr)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *);
510 BOOL (WINAPI *pSymGetLineFromAddr64)(HANDLE, DWORD64,
DWORD *, IMAGEHLP_LINE64 *);
511 HANDLE (WINAPI *pOpenThread)(
DWORD, BOOL,
DWORD);
512 DWORD tid = *(DWORD *)arg;
516 dbghelp = LoadLibrary(
"dbghelp.dll");
517 if (!dbghelp)
return;
518 pSymInitialize = (BOOL (WINAPI *)(HANDLE,
const char *, BOOL))GetProcAddress(dbghelp,
"SymInitialize");
519 pSymCleanup = (BOOL (WINAPI *)(HANDLE))GetProcAddress(dbghelp,
"SymCleanup");
520 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");
521 pSymGetModuleBase64 = (DWORD64 (WINAPI *)(HANDLE, DWORD64))GetProcAddress(dbghelp,
"SymGetModuleBase64");
522 pSymFromAddr = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *))GetProcAddress(dbghelp,
"SymFromAddr");
523 pSymGetLineFromAddr64 = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *))GetProcAddress(dbghelp,
"SymGetLineFromAddr64");
524 pOpenThread = (HANDLE (WINAPI *)(
DWORD, BOOL,
DWORD))GetProcAddress(GetModuleHandle(
"kernel32.dll"),
"OpenThread");
525 if (pSymInitialize && pSymCleanup && pStackWalk64 && pSymGetModuleBase64 &&
526 pSymFromAddr && pSymGetLineFromAddr64 && pOpenThread) {
527 SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS | SYMOPT_DEBUG | SYMOPT_LOAD_LINES);
528 ph = GetCurrentProcess();
530 th = pOpenThread(THREAD_SUSPEND_RESUME|THREAD_GET_CONTEXT,
FALSE, tid);
532 if (SuspendThread(th) != (DWORD)-1) {
534 memset(&context, 0,
sizeof(context));
535 context.ContextFlags = CONTEXT_FULL;
536 if (GetThreadContext(th, &context)) {
537 char libpath[MAX_PATH];
538 char buf[
sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
539 SYMBOL_INFO *info = (SYMBOL_INFO *)
buf;
542 memset(&frame, 0,
sizeof(frame));
543 #if defined(_M_AMD64) || defined(__x86_64__)
544 mac = IMAGE_FILE_MACHINE_AMD64;
545 frame.AddrPC.Mode = AddrModeFlat;
546 frame.AddrPC.Offset = context.Rip;
547 frame.AddrFrame.Mode = AddrModeFlat;
548 frame.AddrFrame.Offset = context.Rbp;
549 frame.AddrStack.Mode = AddrModeFlat;
550 frame.AddrStack.Offset = context.Rsp;
551 #elif defined(_M_IA64) || defined(__ia64__)
552 mac = IMAGE_FILE_MACHINE_IA64;
553 frame.AddrPC.Mode = AddrModeFlat;
554 frame.AddrPC.Offset = context.StIIP;
555 frame.AddrBStore.Mode = AddrModeFlat;
556 frame.AddrBStore.Offset = context.RsBSP;
557 frame.AddrStack.Mode = AddrModeFlat;
558 frame.AddrStack.Offset = context.IntSp;
560 mac = IMAGE_FILE_MACHINE_I386;
561 frame.AddrPC.Mode = AddrModeFlat;
562 frame.AddrPC.Offset = context.Eip;
563 frame.AddrFrame.Mode = AddrModeFlat;
564 frame.AddrFrame.Offset = context.Ebp;
565 frame.AddrStack.Mode = AddrModeFlat;
566 frame.AddrStack.Offset = context.Esp;
569 while (pStackWalk64(mac, ph, th, &frame, &context,
NULL,
571 DWORD64 addr = frame.AddrPC.Offset;
572 IMAGEHLP_LINE64 line;
573 DWORD64 displacement;
576 if (addr == frame.AddrReturn.Offset || addr == 0 ||
577 frame.AddrReturn.Offset == 0)
580 memset(
buf, 0,
sizeof(
buf));
581 info->SizeOfStruct =
sizeof(SYMBOL_INFO);
582 info->MaxNameLen = MAX_SYM_NAME;
583 if (pSymFromAddr(ph, addr, &displacement, info)) {
584 if (GetModuleFileName((HANDLE)(
uintptr_t)pSymGetModuleBase64(ph, addr), libpath,
sizeof(libpath)))
585 fprintf(stderr,
"%s", libpath);
586 fprintf(stderr,
"(%s+0x%I64x)",
587 info->Name, displacement);
589 fprintf(stderr,
" [0x%p]", (
void *)(
VALUE)addr);
590 memset(&line, 0,
sizeof(line));
591 line.SizeOfStruct =
sizeof(line);
592 if (pSymGetLineFromAddr64(ph, addr, &tmp, &line))
593 fprintf(stderr,
" %s:%lu", line.FileName, line.LineNumber);
594 fprintf(stderr,
"\n");
604 FreeLibrary(dbghelp);
612 # define PROC_MAPS_NAME "/proc/self/maps"
614 #ifdef PROC_MAPS_NAME
615 enum {other_runtime_info = 1};
617 enum {other_runtime_info = 0};
621 #if defined __APPLE__
622 fputs(
"-- Crash Report log information "
623 "--------------------------------------------\n"
624 " See Crash Report log file under the one of following:\n"
625 " * ~/Library/Logs/CrashReporter\n"
626 " * /Library/Logs/CrashReporter\n"
627 " * ~/Library/Logs/DiagnosticReports\n"
628 " * /Library/Logs/DiagnosticReports\n"
629 " the more detail of.\n"
639 #if HAVE_BACKTRACE || defined(_WIN32)
640 fprintf(stderr,
"-- C level backtrace information "
641 "-------------------------------------------\n");
645 #define MAX_NATIVE_TRACE 1024
646 static void *trace[MAX_NATIVE_TRACE];
647 int n = backtrace(trace, MAX_NATIVE_TRACE);
648 char **syms = backtrace_symbols(trace, n);
652 rb_dump_backtrace_with_lines(n, trace, syms);
655 for (i=0; i<n; i++) {
656 fprintf(stderr,
"%s\n", syms[i]);
661 #elif defined(_WIN32)
662 DWORD tid = GetCurrentThreadId();
663 HANDLE th = (HANDLE)_beginthread(dump_thread, 0, &tid);
664 if (th != (HANDLE)-1)
665 WaitForSingleObject(th, INFINITE);
669 fprintf(stderr,
"\n");
672 if (other_runtime_info || vm) {
673 fprintf(stderr,
"-- Other runtime information "
674 "-----------------------------------------------\n\n");
680 const int max_name_length = 1024;
681 # define LIMITED_NAME_LENGTH(s) \
682 (((len = RSTRING_LEN(s)) > max_name_length) ? max_name_length : (int)len)
685 fprintf(stderr,
"* Loaded script: %.*s\n",
687 fprintf(stderr,
"\n");
688 fprintf(stderr,
"* Loaded features:\n\n");
692 fprintf(stderr,
" %4d %.*s\n", i,
696 fprintf(stderr,
" %4d #<%s:%p>\n", i,
700 fprintf(stderr,
"\n");
704 #ifdef PROC_MAPS_NAME
706 FILE *fp = fopen(PROC_MAPS_NAME,
"r");
708 fprintf(stderr,
"* Process memory map:\n\n");
712 size_t rn = fread(buff, 1, 0x100, fp);
713 if (fwrite(buff, 1, rn, stderr) != rn)
718 fprintf(stderr,
"\n\n");
#define RB_TYPE_P(obj, type)
#define VM_FRAME_MAGIC_BLOCK
int rb_iseq_disasm_insn(VALUE ret, VALUE *iseq, size_t pos, rb_iseq_t *iseqdat, VALUE child)
Disassemble a instruction Iseq -> Iseq inspect object.
void rb_bug(const char *fmt,...)
void rb_backtrace_print_as_bugreport(void)
#define RUBY_VM_IFUNC_P(ptr)
int rb_vm_get_sourceline(const rb_control_frame_t *cfp)
#define VM_CFP_CNT(th, cfp)
static void control_frame_dump(rb_thread_t *th, rb_control_frame_t *cfp)
#define VM_FRAME_TYPE_FINISH_P(cfp)
#define VM_FRAME_MAGIC_CFUNC
VALUE rb_vmdebug_thread_dump_state(VALUE self)
#define RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp)
#define RUBY_VM_NORMAL_ISEQ_P(ptr)
void rb_vmdebug_stack_dump_th(VALUE thval)
#define VM_FRAME_MAGIC_METHOD
#define VM_FRAME_TYPE(cfp)
#define VM_FRAME_MAGIC_IFUNC
#define GetEnvPtr(obj, ptr)
#define OPT_STACK_CACHING
enum rb_iseq_struct::iseq_type type
#define StringValueCStr(v)
int argc
argument information
#define VM_FRAME_MAGIC_CLASS
void rb_vm_bugreport(void)
void rb_vmdebug_debug_print_register(rb_thread_t *th)
void rb_vmdebug_stack_dump_raw(rb_thread_t *th, rb_control_frame_t *cfp)
unsigned char buf[MIME_BUF_SIZE]
#define RUBYVM_CFUNC_FRAME_P(cfp)
#define VM_FRAME_MAGIC_EVAL
static VALUE * vm_base_ptr(rb_control_frame_t *cfp)
rb_iseq_location_t location
void rb_vmdebug_env_dump_raw(rb_env_t *env, VALUE *ep)
#define VM_FRAME_MAGIC_TOP
#define VM_FRAME_MAGIC_PROC
const char * rb_class2name(VALUE)
#define VM_FRAME_MAGIC_LAMBDA
rb_method_definition_t * def
const rb_method_entry_t * me
void rb_vmdebug_thread_dump_regs(VALUE thval)
#define GetThreadPtr(obj, ptr)
void rb_vmdebug_proc_dump_raw(rb_proc_t *proc)
void rb_vmdebug_stack_dump_raw_current(void)
const char * rb_id2name(ID id)
#define GC_GUARDED_PTR_REF(p)
static rb_thread_t * GET_THREAD(void)
static ULONG(STDMETHODCALLTYPE AddRef)(IDispatch __RPC_FAR *This)
void rb_vmdebug_debug_print_pre(rb_thread_t *th, rb_control_frame_t *cfp)
void rb_vmdebug_debug_print_post(rb_thread_t *th, rb_control_frame_t *cfp)
#define LIMITED_NAME_LENGTH(s)