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;
97 iseq_name =
"<ifunc>";
117 fprintf(stderr,
"p:---- ");
124 fprintf(stderr,
"%-6s", magic);
126 fprintf(stderr,
" %s", posbuf);
129 fprintf(stderr,
" [FINISH]");
132 fprintf(stderr,
" \t");
133 fprintf(stderr,
"iseq: %-24s ", iseq_name);
134 fprintf(stderr,
"self: %-24s ", selfstr);
135 fprintf(stderr,
"%-1s ", biseq_name);
137 fprintf(stderr,
"\n");
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);
152 if (th->
stack <= t && t < sp) {
157 fprintf(stderr,
" <- ep");
159 fprintf(stderr,
"\n");
163 fprintf(stderr,
"-- Control frame information "
164 "-----------------------------------------------\n");
169 fprintf(stderr,
"\n");
183 fprintf(stderr,
"-- env --------------------\n");
186 fprintf(stderr,
"--\n");
187 for (i = 0; i < env->
env_size; i++) {
189 (
void *)&env->
env[i]);
190 if (&env->
env[i] == ep)
191 fprintf(stderr,
" <- ep");
192 fprintf(stderr,
"\n");
202 fprintf(stderr,
"---------------------------\n");
213 fprintf(stderr,
"-- proc -------------------\n");
214 fprintf(stderr,
"self: %s\n", selfstr);
236 if (cfp->
iseq->
type == ISEQ_TYPE_METHOD) {
251 int argc = 0, local_size = 0;
290 for (i = 0; i <
argc; i++) {
295 for (; i < local_size - 1; i++) {
302 for (; ptr < sp; ptr++, i++) {
314 if ((th)->stack + (th)->stack_size > (
VALUE *)(cfp + 1)) {
315 vm_stack_dump_each(th, cfp + 1);
332 ptrdiff_t ep = cfp->
ep - th->
stack;
345 pc, (cfp->
sp - th->
stack), ep, cfpi);
370 if(0)printf(
"[%03ld] ", (
long)(cfp->
sp - th->
stack));
379 fprintf(stderr,
" (1)");
396 fprintf(stderr,
" (2)");
403 vm_stack_dump_each(th, th->
cfp);
405 #if OPT_STACK_CACHING
415 (
"--------------------------------------------------------------\n");
427 fprintf(stderr,
"Thread state dump:\n");
428 fprintf(stderr,
"pc : %p, sp : %p\n", (
void *)cfp->
pc, (
void *)cfp->
sp);
429 fprintf(stderr,
"cfp: %p, ep : %p\n", (
void *)cfp, (
void *)cfp->
ep);
434 #if defined(HAVE_BACKTRACE)
437 # define backtrace unw_backtrace
438 # elif defined(__APPLE__) && defined(__x86_64__) && defined(HAVE_LIBUNWIND_H)
439 # define UNW_LOCAL_ONLY
440 # include <libunwind.h>
442 int backtrace (
void **trace,
int size) {
443 unw_cursor_t cursor; unw_context_t uc;
448 unw_init_local(&cursor, &uc);
449 while (unw_step(&cursor) > 0) {
450 unw_get_reg(&cursor, UNW_REG_IP, &ip);
451 trace[n++] = (
void *)ip;
454 unw_get_proc_name(&cursor, buf, 256, &ip);
455 if (strncmp(
"_sigtramp", buf,
sizeof(
"_sigtramp")) == 0) {
456 goto darwin_sigtramp;
469 unw_get_reg(&cursor, UNW_X86_64_RBX, &ip);
470 uctx = (ucontext_t *)ip;
471 unw_set_reg(&cursor, UNW_X86_64_RAX, uctx->uc_mcontext->__ss.__rax);
472 unw_set_reg(&cursor, UNW_X86_64_RBX, uctx->uc_mcontext->__ss.__rbx);
473 unw_set_reg(&cursor, UNW_X86_64_RCX, uctx->uc_mcontext->__ss.__rcx);
474 unw_set_reg(&cursor, UNW_X86_64_RDX, uctx->uc_mcontext->__ss.__rdx);
475 unw_set_reg(&cursor, UNW_X86_64_RDI, uctx->uc_mcontext->__ss.__rdi);
476 unw_set_reg(&cursor, UNW_X86_64_RSI, uctx->uc_mcontext->__ss.__rsi);
477 unw_set_reg(&cursor, UNW_X86_64_RBP, uctx->uc_mcontext->__ss.__rbp);
478 unw_set_reg(&cursor, UNW_X86_64_RSP, 8+(uctx->uc_mcontext->__ss.__rsp));
479 unw_set_reg(&cursor, UNW_X86_64_R8, uctx->uc_mcontext->__ss.__r8);
480 unw_set_reg(&cursor, UNW_X86_64_R9, uctx->uc_mcontext->__ss.__r9);
481 unw_set_reg(&cursor, UNW_X86_64_R10, uctx->uc_mcontext->__ss.__r10);
482 unw_set_reg(&cursor, UNW_X86_64_R11, uctx->uc_mcontext->__ss.__r11);
483 unw_set_reg(&cursor, UNW_X86_64_R12, uctx->uc_mcontext->__ss.__r12);
484 unw_set_reg(&cursor, UNW_X86_64_R13, uctx->uc_mcontext->__ss.__r13);
485 unw_set_reg(&cursor, UNW_X86_64_R14, uctx->uc_mcontext->__ss.__r14);
486 unw_set_reg(&cursor, UNW_X86_64_R15, uctx->uc_mcontext->__ss.__r15);
487 ip = *(unw_word_t*)uctx->uc_mcontext->__ss.__rsp;
488 unw_set_reg(&cursor, UNW_REG_IP, ip);
489 trace[n++] = (
void *)uctx->uc_mcontext->__ss.__rip;
490 trace[n++] = (
void *)
ip;
492 while (unw_step(&cursor) > 0) {
493 unw_get_reg(&cursor, UNW_REG_IP, &ip);
494 trace[n++] = (
void *)ip;
498 # elif defined(BROKEN_BACKTRACE)
499 # undef HAVE_BACKTRACE
500 # define HAVE_BACKTRACE 0
503 # define HAVE_BACKTRACE 0
507 # include <execinfo.h>
508 #elif defined(_WIN32)
509 # include <imagehlp.h>
510 # ifndef SYMOPT_DEBUG
511 # define SYMOPT_DEBUG 0x80000000
513 # ifndef MAX_SYM_NAME
514 # define MAX_SYM_NAME 2000
522 DWORD ThCallbackStack;
523 DWORD ThCallbackBStore;
526 DWORD64 KiCallUserMode;
527 DWORD64 KeUserCallbackDispatcher;
528 DWORD64 SystemRangeStart;
529 DWORD64 KiUserExceptionDispatcher;
536 ADDRESS64 AddrReturn;
539 ADDRESS64 AddrBStore;
540 void *FuncTableEntry;
571 typedef void *PREAD_PROCESS_MEMORY_ROUTINE64;
572 typedef void *PFUNCTION_TABLE_ACCESS_ROUTINE64;
573 typedef void *PGET_MODULE_BASE_ROUTINE64;
574 typedef void *PTRANSLATE_ADDRESS_ROUTINE64;
578 dump_thread(
void *
arg)
581 BOOL (WINAPI *pSymInitialize)(HANDLE,
const char *, BOOL);
582 BOOL (WINAPI *pSymCleanup)(HANDLE);
583 BOOL (WINAPI *pStackWalk64)(
DWORD, HANDLE, HANDLE, STACKFRAME64 *,
void *, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
584 DWORD64 (WINAPI *pSymGetModuleBase64)(HANDLE, DWORD64);
585 BOOL (WINAPI *pSymFromAddr)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *);
586 BOOL (WINAPI *pSymGetLineFromAddr64)(HANDLE, DWORD64,
DWORD *, IMAGEHLP_LINE64 *);
587 HANDLE (WINAPI *pOpenThread)(
DWORD, BOOL,
DWORD);
588 DWORD tid = *(DWORD *)arg;
592 dbghelp = LoadLibrary(
"dbghelp.dll");
593 if (!dbghelp)
return;
594 pSymInitialize = (BOOL (WINAPI *)(HANDLE,
const char *, BOOL))GetProcAddress(dbghelp,
"SymInitialize");
595 pSymCleanup = (BOOL (WINAPI *)(HANDLE))GetProcAddress(dbghelp,
"SymCleanup");
596 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");
597 pSymGetModuleBase64 = (DWORD64 (WINAPI *)(HANDLE, DWORD64))GetProcAddress(dbghelp,
"SymGetModuleBase64");
598 pSymFromAddr = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *))GetProcAddress(dbghelp,
"SymFromAddr");
599 pSymGetLineFromAddr64 = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *))GetProcAddress(dbghelp,
"SymGetLineFromAddr64");
600 pOpenThread = (HANDLE (WINAPI *)(
DWORD, BOOL,
DWORD))GetProcAddress(GetModuleHandle(
"kernel32.dll"),
"OpenThread");
601 if (pSymInitialize && pSymCleanup && pStackWalk64 && pSymGetModuleBase64 &&
602 pSymFromAddr && pSymGetLineFromAddr64 && pOpenThread) {
603 SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS | SYMOPT_DEBUG | SYMOPT_LOAD_LINES);
604 ph = GetCurrentProcess();
606 th = pOpenThread(THREAD_SUSPEND_RESUME|THREAD_GET_CONTEXT,
FALSE, tid);
608 if (SuspendThread(th) != (DWORD)-1) {
610 memset(&context, 0,
sizeof(context));
611 context.ContextFlags = CONTEXT_FULL;
612 if (GetThreadContext(th, &context)) {
613 char libpath[MAX_PATH];
614 char buf[
sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
615 SYMBOL_INFO *
info = (SYMBOL_INFO *)buf;
618 memset(&frame, 0,
sizeof(frame));
619 #if defined(_M_AMD64) || defined(__x86_64__)
620 mac = IMAGE_FILE_MACHINE_AMD64;
621 frame.AddrPC.Mode = AddrModeFlat;
622 frame.AddrPC.Offset = context.Rip;
623 frame.AddrFrame.Mode = AddrModeFlat;
624 frame.AddrFrame.Offset = context.Rbp;
625 frame.AddrStack.Mode = AddrModeFlat;
626 frame.AddrStack.Offset = context.Rsp;
627 #elif defined(_M_IA64) || defined(__ia64__)
628 mac = IMAGE_FILE_MACHINE_IA64;
629 frame.AddrPC.Mode = AddrModeFlat;
630 frame.AddrPC.Offset = context.StIIP;
631 frame.AddrBStore.Mode = AddrModeFlat;
632 frame.AddrBStore.Offset = context.RsBSP;
633 frame.AddrStack.Mode = AddrModeFlat;
634 frame.AddrStack.Offset = context.IntSp;
636 mac = IMAGE_FILE_MACHINE_I386;
637 frame.AddrPC.Mode = AddrModeFlat;
638 frame.AddrPC.Offset = context.Eip;
639 frame.AddrFrame.Mode = AddrModeFlat;
640 frame.AddrFrame.Offset = context.Ebp;
641 frame.AddrStack.Mode = AddrModeFlat;
642 frame.AddrStack.Offset = context.Esp;
645 while (pStackWalk64(mac, ph, th, &frame, &context,
NULL,
647 DWORD64 addr = frame.AddrPC.Offset;
648 IMAGEHLP_LINE64 line;
649 DWORD64 displacement;
652 if (addr == frame.AddrReturn.Offset || addr == 0 ||
653 frame.AddrReturn.Offset == 0)
656 memset(buf, 0,
sizeof(buf));
657 info->SizeOfStruct =
sizeof(SYMBOL_INFO);
658 info->MaxNameLen = MAX_SYM_NAME;
659 if (pSymFromAddr(ph, addr, &displacement, info)) {
660 if (GetModuleFileName((HANDLE)(
uintptr_t)pSymGetModuleBase64(ph, addr), libpath,
sizeof(libpath)))
661 fprintf(stderr,
"%s", libpath);
662 fprintf(stderr,
"(%s+0x%I64x)",
663 info->Name, displacement);
665 fprintf(stderr,
" [0x%p]", (
void *)(
VALUE)addr);
666 memset(&line, 0,
sizeof(line));
667 line.SizeOfStruct =
sizeof(line);
668 if (pSymGetLineFromAddr64(ph, addr, &tmp, &line))
669 fprintf(stderr,
" %s:%lu", line.FileName, line.LineNumber);
670 fprintf(stderr,
"\n");
680 FreeLibrary(dbghelp);
688 #define MAX_NATIVE_TRACE 1024
689 static void *trace[MAX_NATIVE_TRACE];
690 int n = backtrace(trace, MAX_NATIVE_TRACE);
691 char **syms = backtrace_symbols(trace, n);
695 rb_dump_backtrace_with_lines(n, trace, syms);
698 for (i=0; i<
n; i++) {
699 fprintf(stderr,
"%s\n", syms[i]);
704 #elif defined(_WIN32)
705 DWORD tid = GetCurrentThreadId();
706 HANDLE th = (HANDLE)_beginthread(dump_thread, 0, &tid);
707 if (th != (HANDLE)-1)
708 WaitForSingleObject(th, INFINITE);
716 # define PROC_MAPS_NAME "/proc/self/maps"
718 #ifdef PROC_MAPS_NAME
719 enum {other_runtime_info = 1};
721 enum {other_runtime_info = 0};
725 #if defined __APPLE__
726 fputs(
"-- Crash Report log information "
727 "--------------------------------------------\n"
728 " See Crash Report log file under the one of following:\n"
729 " * ~/Library/Logs/CrashReporter\n"
730 " * /Library/Logs/CrashReporter\n"
731 " * ~/Library/Logs/DiagnosticReports\n"
732 " * /Library/Logs/DiagnosticReports\n"
733 " for more details.\n"
743 #if HAVE_BACKTRACE || defined(_WIN32)
744 fprintf(stderr,
"-- C level backtrace information "
745 "-------------------------------------------\n");
749 fprintf(stderr,
"\n");
752 if (other_runtime_info || vm) {
753 fprintf(stderr,
"-- Other runtime information "
754 "-----------------------------------------------\n\n");
760 const int max_name_length = 1024;
761 # define LIMITED_NAME_LENGTH(s) \
762 (((len = RSTRING_LEN(s)) > max_name_length) ? max_name_length : (int)len)
765 fprintf(stderr,
"* Loaded script: %.*s\n",
767 fprintf(stderr,
"\n");
768 fprintf(stderr,
"* Loaded features:\n\n");
772 fprintf(stderr,
" %4d %.*s\n", i,
779 fprintf(stderr,
" %4d %s:%.*s\n", i, type,
784 fprintf(stderr,
" %4d #<%.*s:%p>\n", i,
789 fprintf(stderr,
"\n");
793 #ifdef PROC_MAPS_NAME
795 FILE *fp = fopen(PROC_MAPS_NAME,
"r");
797 fprintf(stderr,
"* Process memory map:\n\n");
801 size_t rn = fread(buff, 1, 0x100, fp);
802 if (fwrite(buff, 1, rn, stderr) != rn)
807 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)
void rb_vmdebug_debug_print_pre(rb_thread_t *th, rb_control_frame_t *cfp, VALUE *_pc)
#define VM_FRAME_MAGIC_METHOD
#define VM_FRAME_TYPE(cfp)
VALUE rb_class_name(VALUE)
#define VM_FRAME_MAGIC_IFUNC
#define VM_FRAME_MAGIC_RESCUE
#define GetEnvPtr(obj, ptr)
void rb_vmdebug_stack_dump_raw(rb_thread_t *, rb_control_frame_t *)
#define OPT_STACK_CACHING
void rb_print_backtrace(void)
enum rb_iseq_struct::iseq_type type
memset(y->frac+ix+1, 0,(y->Prec-(ix+1))*sizeof(BDIGIT))
static void Tcl_Interp * ip
#define RARRAY_AREF(a, i)
#define StringValueCStr(v)
int argc
argument information
void rb_vm_bugreport(void)
#define VM_FRAME_MAGIC_CLASS
unsigned char buf[MIME_BUF_SIZE]
void rb_vmdebug_debug_print_register(rb_thread_t *th)
#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
#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)
void rb_vmdebug_debug_print_post(rb_thread_t *th, rb_control_frame_t *cfp)
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)
#define LIMITED_NAME_LENGTH(s)