11#include "ruby/internal/config.h"
21# include <mach/vm_map.h>
22# include <mach/mach_init.h>
24# define vm_region_recurse vm_region_recurse_64
34#include "internal/variable.h"
35#include "internal/vm.h"
38#include "ractor_core.h"
42#define VM_CFP_CNT(ec, cfp) \
43 ((rb_control_frame_t *)((ec)->vm_stack + (ec)->vm_stack_size) - \
44 (rb_control_frame_t *)(cfp))
46const char *rb_method_type_name(rb_method_type_t
type);
53 ptrdiff_t ep = cfp->ep - ec->vm_stack;
54 char ep_in_heap =
' ';
55 char posbuf[MAX_POSBUF+1];
57 const char *magic, *iseq_name =
"-", *selfstr =
"-", *biseq_name =
"-";
62 if (ep < 0 || (
size_t)ep > ec->vm_stack_size) {
63 ep = (ptrdiff_t)cfp->ep;
67 switch (VM_FRAME_TYPE(cfp)) {
68 case VM_FRAME_MAGIC_TOP:
71 case VM_FRAME_MAGIC_METHOD:
74 case VM_FRAME_MAGIC_CLASS:
77 case VM_FRAME_MAGIC_BLOCK:
80 case VM_FRAME_MAGIC_CFUNC:
83 case VM_FRAME_MAGIC_IFUNC:
86 case VM_FRAME_MAGIC_EVAL:
89 case VM_FRAME_MAGIC_RESCUE:
92 case VM_FRAME_MAGIC_DUMMY:
111 if (cfp->iseq != 0) {
112#define RUBY_VM_IFUNC_P(ptr) IMEMO_TYPE_P(ptr, imemo_ifunc)
113 if (RUBY_VM_IFUNC_P(cfp->iseq)) {
114 iseq_name =
"<ifunc>";
119 snprintf(posbuf, MAX_POSBUF,
":%s", iseq_name);
125 pc = cfp->pc - ISEQ_BODY(iseq)->iseq_encoded;
126 iseq_name =
RSTRING_PTR(ISEQ_BODY(iseq)->location.label);
127 line = rb_vm_get_sourceline(cfp);
129 snprintf(posbuf, MAX_POSBUF,
"%s:%d",
RSTRING_PTR(rb_iseq_path(iseq)), line);
133 iseq_name =
"<dummy_frame>";
137 else if (me != NULL) {
139 snprintf(posbuf, MAX_POSBUF,
":%s", iseq_name);
143 fprintf(stderr,
"c:%04"PRIdPTRDIFF
" ",
146 fprintf(stderr,
"p:---- ");
149 fprintf(stderr,
"p:%04"PRIdPTRDIFF
" ", pc);
151 fprintf(stderr,
"s:%04"PRIdPTRDIFF
" ", cfp->sp - ec->vm_stack);
152 fprintf(stderr, ep_in_heap ==
' ' ?
"e:%06"PRIdPTRDIFF
" " :
"E:%06"PRIxPTRDIFF
" ", ep % 10000);
153 fprintf(stderr,
"%-6s", magic);
155 fprintf(stderr,
" %s", posbuf);
157 if (VM_FRAME_FINISHED_P(cfp)) {
158 fprintf(stderr,
" [FINISH]");
161 fprintf(stderr,
" \t");
162 fprintf(stderr,
"iseq: %-24s ", iseq_name);
163 fprintf(stderr,
"self: %-24s ", selfstr);
164 fprintf(stderr,
"%-1s ", biseq_name);
166 fprintf(stderr,
"\n");
173 if (IMEMO_TYPE_P(me, imemo_ment)) {
174 fprintf(stderr,
" me:\n");
175 fprintf(stderr,
" called_id: %s, type: %s\n",
rb_id2name(me->called_id), rb_method_type_name(me->def->type));
176 fprintf(stderr,
" owner class: %s\n", rb_raw_obj_info(buff, 0x100, me->owner));
177 if (me->owner != me->defined_class) {
178 fprintf(stderr,
" defined_class: %s\n", rb_raw_obj_info(buff, 0x100, me->defined_class));
182 fprintf(stderr,
" me is corrupted (%s)\n", rb_raw_obj_info(buff, 0x100, (
VALUE)me));
186 fprintf(stderr,
" self: %s\n", rb_raw_obj_info(buff, 0x100, cfp->self));
189 if (ISEQ_BODY(iseq)->local_table_size > 0) {
190 fprintf(stderr,
" lvars:\n");
191 for (
unsigned int i=0; i<ISEQ_BODY(iseq)->local_table_size; i++) {
192 const VALUE *argv = cfp->ep - ISEQ_BODY(cfp->iseq)->local_table_size - VM_ENV_DATA_SIZE + 1;
193 fprintf(stderr,
" %s: %s\n",
195 rb_raw_obj_info(buff, 0x100, argv[i]));
207 const VALUE *ep = cfp->ep;
210 fprintf(stderr,
"-- stack frame ------------\n");
211 for (p = st = ec->vm_stack; p < sp; p++) {
212 fprintf(stderr,
"%04ld (%p): %08"PRIxVALUE, (
long)(p - st), p, *p);
215 if (ec->vm_stack <= t && t < sp) {
216 fprintf(stderr,
" (= %ld)", (
long)((
VALUE *)GC_GUARDED_PTR_REF((
VALUE)t) - ec->vm_stack));
220 fprintf(stderr,
" <- ep");
222 fprintf(stderr,
"\n");
226 fprintf(stderr,
"-- Control frame information "
227 "-----------------------------------------------\n");
228 while ((
void *)cfp < (
void *)(ec->vm_stack + ec->vm_stack_size)) {
229 control_frame_dump(ec, cfp);
232 fprintf(stderr,
"\n");
236rb_vmdebug_stack_dump_raw_current(
void)
239 rb_vmdebug_stack_dump_raw(ec, ec->cfp);
246 fprintf(stderr,
"-- env --------------------\n");
249 fprintf(stderr,
"--\n");
250 for (i = 0; i < env->env_size; i++) {
251 fprintf(stderr,
"%04d: %08"PRIxVALUE
" (%p)", i, env->env[i], (
void *)&env->env[i]);
252 if (&env->env[i] == ep) fprintf(stderr,
" <- ep");
253 fprintf(stderr,
"\n");
256 env = rb_vm_env_prev_env(env);
258 fprintf(stderr,
"---------------------------\n");
269 fprintf(stderr,
"-- proc -------------------\n");
270 fprintf(stderr,
"self: %s\n", selfstr);
271 env = VM_ENV_ENVVAL_PTR(vm_block_ep(&proc->block));
272 rb_vmdebug_env_dump_raw(env, vm_block_ep(&proc->block));
276rb_vmdebug_stack_dump_th(
VALUE thval)
279 rb_vmdebug_stack_dump_raw(target_th->ec, target_th->ec->cfp);
289 const VALUE *bp = prev_cfp->sp + ISEQ_BODY(cfp->iseq)->local_table_size + VM_ENV_DATA_SIZE;
291 if (ISEQ_BODY(cfp->iseq)->type == ISEQ_TYPE_METHOD) {
300 int i, argc = 0, local_table_size = 0;
303 const VALUE *ep = cfp->ep;
305 if (VM_FRAME_RUBYFRAME_P(cfp)) {
307 argc = ISEQ_BODY(iseq)->param.lead_num;
308 local_table_size = ISEQ_BODY(iseq)->local_table_size;
313 if (VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_METHOD||
314 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_TOP ||
315 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_BLOCK ||
316 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_CLASS ||
317 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_CFUNC ||
318 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_IFUNC ||
319 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_EVAL ||
320 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_RESCUE)
322 const VALUE *ptr = ep - local_table_size;
324 control_frame_dump(ec, cfp);
326 for (i = 0; i < argc; i++) {
331 for (; i < local_table_size - 1; i++) {
337 ptr = vm_base_ptr(cfp);
338 for (; ptr < sp; ptr++, i++) {
339 switch (
TYPE(*ptr)) {
350 fprintf(stderr,
" stack %2d: %8s (%"PRIdPTRDIFF
")\n", i,
StringValueCStr(rstr),
351 (ptr - ec->vm_stack));
354 else if (VM_FRAME_FINISHED_P(cfp)) {
355 if (ec->vm_stack + ec->vm_stack_size > (
VALUE *)(cfp + 1)) {
356 vm_stack_dump_each(ec, cfp + 1);
363 rb_bug(
"unsupported frame type: %08lx", VM_FRAME_TYPE(cfp));
373 ptrdiff_t ep = cfp->ep - ec->vm_stack;
376 if (VM_FRAME_RUBYFRAME_P(cfp)) {
377 pc = cfp->pc - ISEQ_BODY(cfp->iseq)->iseq_encoded;
380 if (ep < 0 || (
size_t)ep > ec->vm_stack_size) {
385 fprintf(stderr,
" [PC] %04"PRIdPTRDIFF
", [SP] %04"PRIdPTRDIFF
", [EP] %04"PRIdPTRDIFF
", [CFP] %04"PRIdPTRDIFF
"\n",
386 pc, (cfp->sp - ec->vm_stack), ep, cfpi);
390rb_vmdebug_thread_dump_regs(
VALUE thval)
392 rb_vmdebug_debug_print_register(rb_thread_ptr(thval)->ec);
401 ptrdiff_t pc = _pc - ISEQ_BODY(iseq)->iseq_encoded;
404 for (i=0; i<(int)VM_CFP_CNT(ec, cfp); i++) {
408 if(0)printf(
"[%03ld] ", (
long)(cfp->sp - ec->vm_stack));
412 const VALUE *iseq_original = rb_iseq_original_iseq((
rb_iseq_t *)iseq);
414 rb_iseq_disasm_insn(0, iseq_original, (
size_t)pc, iseq, 0);
419 fprintf(stderr,
" (1)");
420 rb_vmdebug_debug_print_register(ec);
436 fprintf(stderr,
" (2)");
437 rb_vmdebug_debug_print_register(ec);
443 vm_stack_dump_each(ec, ec->cfp);
455 (
"--------------------------------------------------------------\n");
460rb_vmdebug_thread_dump_state(
VALUE self)
465 fprintf(stderr,
"Thread state dump:\n");
466 fprintf(stderr,
"pc : %p, sp : %p\n", (
void *)cfp->pc, (
void *)cfp->sp);
467 fprintf(stderr,
"cfp: %p, ep : %p\n", (
void *)cfp, (
void *)cfp->ep);
474# define MCTX_SS_REG(reg) __ss.__##reg
476# define MCTX_SS_REG(reg) ss.reg
480#if defined(HAVE_BACKTRACE)
481# define USE_BACKTRACE 1
482# ifdef HAVE_LIBUNWIND
484# define backtrace unw_backtrace
485# elif defined(__APPLE__) && defined(HAVE_LIBUNWIND_H)
486# define UNW_LOCAL_ONLY
487# include <libunwind.h>
488# include <sys/mman.h>
491backtrace(
void **trace,
int size)
493 unw_cursor_t cursor; unw_context_t uc;
498 unw_init_local(&cursor, &uc);
499# if defined(__x86_64__)
500 while (unw_step(&cursor) > 0) {
501 unw_get_reg(&cursor, UNW_REG_IP, &ip);
502 trace[n++] = (
void *)ip;
505 unw_get_proc_name(&cursor, buf, 256, &ip);
506 if (strncmp(
"_sigtramp", buf,
sizeof(
"_sigtramp")) == 0) {
507 goto darwin_sigtramp;
522 unw_get_reg(&cursor, UNW_X86_64_RBX, &ip);
523 uctx = (ucontext_t *)ip;
524 unw_set_reg(&cursor, UNW_X86_64_RAX, uctx->uc_mcontext->MCTX_SS_REG(rax));
525 unw_set_reg(&cursor, UNW_X86_64_RBX, uctx->uc_mcontext->MCTX_SS_REG(rbx));
526 unw_set_reg(&cursor, UNW_X86_64_RCX, uctx->uc_mcontext->MCTX_SS_REG(rcx));
527 unw_set_reg(&cursor, UNW_X86_64_RDX, uctx->uc_mcontext->MCTX_SS_REG(rdx));
528 unw_set_reg(&cursor, UNW_X86_64_RDI, uctx->uc_mcontext->MCTX_SS_REG(rdi));
529 unw_set_reg(&cursor, UNW_X86_64_RSI, uctx->uc_mcontext->MCTX_SS_REG(rsi));
530 unw_set_reg(&cursor, UNW_X86_64_RBP, uctx->uc_mcontext->MCTX_SS_REG(rbp));
531 unw_set_reg(&cursor, UNW_X86_64_RSP, 8+(uctx->uc_mcontext->MCTX_SS_REG(rsp)));
532 unw_set_reg(&cursor, UNW_X86_64_R8, uctx->uc_mcontext->MCTX_SS_REG(r8));
533 unw_set_reg(&cursor, UNW_X86_64_R9, uctx->uc_mcontext->MCTX_SS_REG(r9));
534 unw_set_reg(&cursor, UNW_X86_64_R10, uctx->uc_mcontext->MCTX_SS_REG(r10));
535 unw_set_reg(&cursor, UNW_X86_64_R11, uctx->uc_mcontext->MCTX_SS_REG(r11));
536 unw_set_reg(&cursor, UNW_X86_64_R12, uctx->uc_mcontext->MCTX_SS_REG(r12));
537 unw_set_reg(&cursor, UNW_X86_64_R13, uctx->uc_mcontext->MCTX_SS_REG(r13));
538 unw_set_reg(&cursor, UNW_X86_64_R14, uctx->uc_mcontext->MCTX_SS_REG(r14));
539 unw_set_reg(&cursor, UNW_X86_64_R15, uctx->uc_mcontext->MCTX_SS_REG(r15));
540 ip = uctx->uc_mcontext->MCTX_SS_REG(rip);
568 r = mincore((
const void *)ip, 1, vec);
569 if (r || vec[0] <= 0 || memcmp((
const char *)ip-2,
"\x0f\x05", 2) == 0) {
572 trace[n++] = (
void *)ip;
573 ip = *(unw_word_t*)uctx->uc_mcontext->MCTX_SS_REG(rsp);
576 trace[n++] = (
void *)ip;
577 unw_set_reg(&cursor, UNW_REG_IP, ip);
579 while (unw_step(&cursor) > 0) {
580 unw_get_reg(&cursor, UNW_REG_IP, &ip);
581 trace[n++] = (
void *)ip;
590 while (unw_step(&cursor) > 0) {
591 unw_get_reg(&cursor, UNW_REG_IP, &ip);
596 trace[n++] = (
void *)(ip & 0x7fffffffffffull);
601# elif defined(BROKEN_BACKTRACE)
603# define USE_BACKTRACE 0
606# define USE_BACKTRACE 0
610# include <execinfo.h>
612# include <imagehlp.h>
614# define SYMOPT_DEBUG 0x80000000
617# define MAX_SYM_NAME 2000
625 DWORD ThCallbackStack;
626 DWORD ThCallbackBStore;
629 DWORD64 KiCallUserMode;
630 DWORD64 KeUserCallbackDispatcher;
631 DWORD64 SystemRangeStart;
632 DWORD64 KiUserExceptionDispatcher;
639 ADDRESS64 AddrReturn;
642 ADDRESS64 AddrBStore;
643 void *FuncTableEntry;
674typedef void *PREAD_PROCESS_MEMORY_ROUTINE64;
675typedef void *PFUNCTION_TABLE_ACCESS_ROUTINE64;
676typedef void *PGET_MODULE_BASE_ROUTINE64;
677typedef void *PTRANSLATE_ADDRESS_ROUTINE64;
681dump_thread(
void *arg)
684 BOOL (WINAPI *pSymInitialize)(HANDLE,
const char *, BOOL);
685 BOOL (WINAPI *pSymCleanup)(HANDLE);
686 BOOL (WINAPI *pStackWalk64)(DWORD, HANDLE, HANDLE, STACKFRAME64 *,
void *, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
687 DWORD64 (WINAPI *pSymGetModuleBase64)(HANDLE, DWORD64);
688 BOOL (WINAPI *pSymFromAddr)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *);
689 BOOL (WINAPI *pSymGetLineFromAddr64)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *);
690 HANDLE (WINAPI *pOpenThread)(DWORD, BOOL, DWORD);
691 DWORD tid = *(DWORD *)arg;
695 dbghelp = LoadLibrary(
"dbghelp.dll");
696 if (!dbghelp)
return;
697 pSymInitialize = (BOOL (WINAPI *)(HANDLE,
const char *, BOOL))GetProcAddress(dbghelp,
"SymInitialize");
698 pSymCleanup = (BOOL (WINAPI *)(HANDLE))GetProcAddress(dbghelp,
"SymCleanup");
699 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");
700 pSymGetModuleBase64 = (DWORD64 (WINAPI *)(HANDLE, DWORD64))GetProcAddress(dbghelp,
"SymGetModuleBase64");
701 pSymFromAddr = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *))GetProcAddress(dbghelp,
"SymFromAddr");
702 pSymGetLineFromAddr64 = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *))GetProcAddress(dbghelp,
"SymGetLineFromAddr64");
703 pOpenThread = (HANDLE (WINAPI *)(DWORD, BOOL, DWORD))GetProcAddress(GetModuleHandle(
"kernel32.dll"),
"OpenThread");
704 if (pSymInitialize && pSymCleanup && pStackWalk64 && pSymGetModuleBase64 &&
705 pSymFromAddr && pSymGetLineFromAddr64 && pOpenThread) {
706 SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS | SYMOPT_DEBUG | SYMOPT_LOAD_LINES);
707 ph = GetCurrentProcess();
708 pSymInitialize(ph, NULL, TRUE);
709 th = pOpenThread(THREAD_SUSPEND_RESUME|THREAD_GET_CONTEXT, FALSE, tid);
711 if (SuspendThread(th) != (DWORD)-1) {
713 memset(&context, 0,
sizeof(context));
714 context.ContextFlags = CONTEXT_FULL;
715 if (GetThreadContext(th, &context)) {
716 char libpath[MAX_PATH];
717 char buf[
sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
718 SYMBOL_INFO *info = (SYMBOL_INFO *)buf;
721 memset(&frame, 0,
sizeof(frame));
722#if defined(_M_AMD64) || defined(__x86_64__)
723 mac = IMAGE_FILE_MACHINE_AMD64;
724 frame.AddrPC.Mode = AddrModeFlat;
725 frame.AddrPC.Offset = context.Rip;
726 frame.AddrFrame.Mode = AddrModeFlat;
727 frame.AddrFrame.Offset = context.Rbp;
728 frame.AddrStack.Mode = AddrModeFlat;
729 frame.AddrStack.Offset = context.Rsp;
731 mac = IMAGE_FILE_MACHINE_I386;
732 frame.AddrPC.Mode = AddrModeFlat;
733 frame.AddrPC.Offset = context.Eip;
734 frame.AddrFrame.Mode = AddrModeFlat;
735 frame.AddrFrame.Offset = context.Ebp;
736 frame.AddrStack.Mode = AddrModeFlat;
737 frame.AddrStack.Offset = context.Esp;
740 while (pStackWalk64(mac, ph, th, &frame, &context, NULL,
742 DWORD64 addr = frame.AddrPC.Offset;
743 IMAGEHLP_LINE64 line;
744 DWORD64 displacement;
747 if (addr == frame.AddrReturn.Offset || addr == 0 ||
748 frame.AddrReturn.Offset == 0)
751 memset(buf, 0,
sizeof(buf));
752 info->SizeOfStruct =
sizeof(SYMBOL_INFO);
753 info->MaxNameLen = MAX_SYM_NAME;
754 if (pSymFromAddr(ph, addr, &displacement, info)) {
755 if (GetModuleFileName((HANDLE)(uintptr_t)pSymGetModuleBase64(ph, addr), libpath,
sizeof(libpath)))
756 fprintf(stderr,
"%s", libpath);
757 fprintf(stderr,
"(%s+0x%"PRI_64_PREFIX
"x)",
758 info->Name, displacement);
760 fprintf(stderr,
" [0x%p]", (
void *)(
VALUE)addr);
761 memset(&line, 0,
sizeof(line));
762 line.SizeOfStruct =
sizeof(line);
763 if (pSymGetLineFromAddr64(ph, addr, &tmp, &line))
764 fprintf(stderr,
" %s:%lu", line.FileName, line.LineNumber);
765 fprintf(stderr,
"\n");
775 FreeLibrary(dbghelp);
780rb_print_backtrace(
void)
783#define MAX_NATIVE_TRACE 1024
784 static void *trace[MAX_NATIVE_TRACE];
785 int n = (int)backtrace(trace, MAX_NATIVE_TRACE);
786#if (defined(USE_ELF) || defined(HAVE_MACH_O_LOADER_H)) && defined(HAVE_DLADDR) && !defined(__sparc)
787 rb_dump_backtrace_with_lines(n, trace);
789 char **syms = backtrace_symbols(trace, n);
792 for (i=0; i<n; i++) {
793 fprintf(stderr,
"%s\n", syms[i]);
799 DWORD tid = GetCurrentThreadId();
800 HANDLE th = (HANDLE)_beginthread(dump_thread, 0, &tid);
801 if (th != (HANDLE)-1)
802 WaitForSingleObject(th, INFINITE);
806#ifdef HAVE_LIBPROCSTAT
807#include "missing/procstat_vm.c"
811# if defined __x86_64__ || defined __i386__ || defined __aarch64__ || defined __arm__ || defined __riscv
812# define HAVE_PRINT_MACHINE_REGISTERS 1
814#elif defined __APPLE__
815# if defined __x86_64__ || defined __i386__ || defined __aarch64__
816# define HAVE_PRINT_MACHINE_REGISTERS 1
820#ifdef HAVE_PRINT_MACHINE_REGISTERS
822print_machine_register(
size_t reg,
const char *reg_name,
int col_count,
int max_col)
826 static const int size_width =
sizeof(size_t) * CHAR_BIT / 4;
828 ret = snprintf(buf,
sizeof(buf),
" %3.3s: 0x%.*" PRIxSIZE, reg_name, size_width, reg);
829 if (col_count + ret > max_col) {
838# if defined(__x86_64__) || defined(__i386__)
839# define dump_machine_register(reg) (col_count = print_machine_register(mctx->gregs[REG_##reg], #reg, col_count, 80))
840# elif defined(__aarch64__) || defined(__arm__) || defined(__riscv)
841# define dump_machine_register(reg, regstr) (col_count = print_machine_register(reg, regstr, col_count, 80))
843# elif defined __APPLE__
844# if defined(__aarch64__)
845# define dump_machine_register(reg, regstr) (col_count = print_machine_register(mctx->MCTX_SS_REG(reg), regstr, col_count, 80))
847# define dump_machine_register(reg) (col_count = print_machine_register(mctx->MCTX_SS_REG(reg), #reg, col_count, 80))
852rb_dump_machine_register(
const ucontext_t *ctx)
857 fprintf(stderr,
"-- Machine register context "
858 "------------------------------------------------\n");
860# if defined __linux__
862 const mcontext_t *
const mctx = &ctx->uc_mcontext;
863# if defined __x86_64__
864 dump_machine_register(RIP);
865 dump_machine_register(RBP);
866 dump_machine_register(RSP);
867 dump_machine_register(RAX);
868 dump_machine_register(RBX);
869 dump_machine_register(RCX);
870 dump_machine_register(RDX);
871 dump_machine_register(RDI);
872 dump_machine_register(RSI);
873 dump_machine_register(R8);
874 dump_machine_register(R9);
875 dump_machine_register(R10);
876 dump_machine_register(R11);
877 dump_machine_register(R12);
878 dump_machine_register(R13);
879 dump_machine_register(R14);
880 dump_machine_register(R15);
881 dump_machine_register(EFL);
882# elif defined __i386__
883 dump_machine_register(GS);
884 dump_machine_register(FS);
885 dump_machine_register(ES);
886 dump_machine_register(DS);
887 dump_machine_register(EDI);
888 dump_machine_register(ESI);
889 dump_machine_register(EBP);
890 dump_machine_register(ESP);
891 dump_machine_register(EBX);
892 dump_machine_register(EDX);
893 dump_machine_register(ECX);
894 dump_machine_register(EAX);
895 dump_machine_register(TRAPNO);
896 dump_machine_register(ERR);
897 dump_machine_register(EIP);
898 dump_machine_register(CS);
899 dump_machine_register(EFL);
900 dump_machine_register(UESP);
901 dump_machine_register(SS);
902# elif defined __aarch64__
903 dump_machine_register(mctx->regs[0],
"x0");
904 dump_machine_register(mctx->regs[1],
"x1");
905 dump_machine_register(mctx->regs[2],
"x2");
906 dump_machine_register(mctx->regs[3],
"x3");
907 dump_machine_register(mctx->regs[4],
"x4");
908 dump_machine_register(mctx->regs[5],
"x5");
909 dump_machine_register(mctx->regs[6],
"x6");
910 dump_machine_register(mctx->regs[7],
"x7");
911 dump_machine_register(mctx->regs[18],
"x18");
912 dump_machine_register(mctx->regs[19],
"x19");
913 dump_machine_register(mctx->regs[20],
"x20");
914 dump_machine_register(mctx->regs[21],
"x21");
915 dump_machine_register(mctx->regs[22],
"x22");
916 dump_machine_register(mctx->regs[23],
"x23");
917 dump_machine_register(mctx->regs[24],
"x24");
918 dump_machine_register(mctx->regs[25],
"x25");
919 dump_machine_register(mctx->regs[26],
"x26");
920 dump_machine_register(mctx->regs[27],
"x27");
921 dump_machine_register(mctx->regs[28],
"x28");
922 dump_machine_register(mctx->regs[29],
"x29");
923 dump_machine_register(mctx->sp,
"sp");
924 dump_machine_register(mctx->fault_address,
"fault_address");
925# elif defined __arm__
926 dump_machine_register(mctx->arm_r0,
"r0");
927 dump_machine_register(mctx->arm_r1,
"r1");
928 dump_machine_register(mctx->arm_r2,
"r2");
929 dump_machine_register(mctx->arm_r3,
"r3");
930 dump_machine_register(mctx->arm_r4,
"r4");
931 dump_machine_register(mctx->arm_r5,
"r5");
932 dump_machine_register(mctx->arm_r6,
"r6");
933 dump_machine_register(mctx->arm_r7,
"r7");
934 dump_machine_register(mctx->arm_r8,
"r8");
935 dump_machine_register(mctx->arm_r9,
"r9");
936 dump_machine_register(mctx->arm_r10,
"r10");
937 dump_machine_register(mctx->arm_sp,
"sp");
938 dump_machine_register(mctx->fault_address,
"fault_address");
939# elif defined __riscv
940 dump_machine_register(mctx->__gregs[REG_SP],
"sp");
941 dump_machine_register(mctx->__gregs[REG_S0],
"s0");
942 dump_machine_register(mctx->__gregs[REG_S1],
"s1");
943 dump_machine_register(mctx->__gregs[REG_A0],
"a0");
944 dump_machine_register(mctx->__gregs[REG_A0+1],
"a1");
945 dump_machine_register(mctx->__gregs[REG_A0+2],
"a2");
946 dump_machine_register(mctx->__gregs[REG_A0+3],
"a3");
947 dump_machine_register(mctx->__gregs[REG_A0+4],
"a4");
948 dump_machine_register(mctx->__gregs[REG_A0+5],
"a5");
949 dump_machine_register(mctx->__gregs[REG_A0+6],
"a6");
950 dump_machine_register(mctx->__gregs[REG_A0+7],
"a7");
951 dump_machine_register(mctx->__gregs[REG_S2],
"s2");
952 dump_machine_register(mctx->__gregs[REG_S2+1],
"s3");
953 dump_machine_register(mctx->__gregs[REG_S2+2],
"s4");
954 dump_machine_register(mctx->__gregs[REG_S2+3],
"s5");
955 dump_machine_register(mctx->__gregs[REG_S2+4],
"s6");
956 dump_machine_register(mctx->__gregs[REG_S2+5],
"s7");
957 dump_machine_register(mctx->__gregs[REG_S2+6],
"s8");
958 dump_machine_register(mctx->__gregs[REG_S2+7],
"s9");
959 dump_machine_register(mctx->__gregs[REG_S2+8],
"s10");
960 dump_machine_register(mctx->__gregs[REG_S2+9],
"s11");
963# elif defined __APPLE__
965 const mcontext_t mctx = ctx->uc_mcontext;
966# if defined __x86_64__
967 dump_machine_register(rax);
968 dump_machine_register(rbx);
969 dump_machine_register(rcx);
970 dump_machine_register(rdx);
971 dump_machine_register(rdi);
972 dump_machine_register(rsi);
973 dump_machine_register(rbp);
974 dump_machine_register(rsp);
975 dump_machine_register(r8);
976 dump_machine_register(r9);
977 dump_machine_register(r10);
978 dump_machine_register(r11);
979 dump_machine_register(r12);
980 dump_machine_register(r13);
981 dump_machine_register(r14);
982 dump_machine_register(r15);
983 dump_machine_register(rip);
984 dump_machine_register(rflags);
985# elif defined __i386__
986 dump_machine_register(eax);
987 dump_machine_register(ebx);
988 dump_machine_register(ecx);
989 dump_machine_register(edx);
990 dump_machine_register(edi);
991 dump_machine_register(esi);
992 dump_machine_register(ebp);
993 dump_machine_register(esp);
994 dump_machine_register(ss);
995 dump_machine_register(eflags);
996 dump_machine_register(eip);
997 dump_machine_register(cs);
998 dump_machine_register(ds);
999 dump_machine_register(es);
1000 dump_machine_register(fs);
1001 dump_machine_register(gs);
1002# elif defined __aarch64__
1003 dump_machine_register(x[0],
"x0");
1004 dump_machine_register(x[1],
"x1");
1005 dump_machine_register(x[2],
"x2");
1006 dump_machine_register(x[3],
"x3");
1007 dump_machine_register(x[4],
"x4");
1008 dump_machine_register(x[5],
"x5");
1009 dump_machine_register(x[6],
"x6");
1010 dump_machine_register(x[7],
"x7");
1011 dump_machine_register(x[18],
"x18");
1012 dump_machine_register(x[19],
"x19");
1013 dump_machine_register(x[20],
"x20");
1014 dump_machine_register(x[21],
"x21");
1015 dump_machine_register(x[22],
"x22");
1016 dump_machine_register(x[23],
"x23");
1017 dump_machine_register(x[24],
"x24");
1018 dump_machine_register(x[25],
"x25");
1019 dump_machine_register(x[26],
"x26");
1020 dump_machine_register(x[27],
"x27");
1021 dump_machine_register(x[28],
"x28");
1022 dump_machine_register(lr,
"lr");
1023 dump_machine_register(fp,
"fp");
1024 dump_machine_register(sp,
"sp");
1028 fprintf(stderr,
"\n\n");
1031# define rb_dump_machine_register(ctx) ((void)0)
1035rb_vm_bugreport(
const void *ctx)
1037 const char *cmd = getenv(
"RUBY_ON_BUG");
1041 int r = system(buf);
1043 snprintf(buf,
sizeof(buf),
"Launching RUBY_ON_BUG command failed.");
1050 static bool crashing =
false;
1052 fprintf(stderr,
"Crashed while printing bug report\n");
1059# define PROC_MAPS_NAME "/proc/self/maps"
1061#ifdef PROC_MAPS_NAME
1062 enum {other_runtime_info = 1};
1064 enum {other_runtime_info = 0};
1066 const rb_vm_t *
const vm = GET_VM();
1071 rb_backtrace_print_as_bugreport();
1072 fputs(
"\n", stderr);
1075 rb_dump_machine_register(ctx);
1077#if USE_BACKTRACE || defined(_WIN32)
1078 fprintf(stderr,
"-- C level backtrace information "
1079 "-------------------------------------------\n");
1080 rb_print_backtrace();
1083 fprintf(stderr,
"\n");
1086 if (other_runtime_info || vm) {
1087 fprintf(stderr,
"-- Other runtime information "
1088 "-----------------------------------------------\n\n");
1090 if (vm && !rb_during_gc()) {
1094 const int max_name_length = 1024;
1095# define LIMITED_NAME_LENGTH(s) \
1096 (((len = RSTRING_LEN(s)) > max_name_length) ? max_name_length : (int)len)
1098 name = vm->progname;
1100 fprintf(stderr,
"* Loaded script: %.*s\n",
1102 fprintf(stderr,
"\n");
1104 if (vm->loaded_features) {
1105 fprintf(stderr,
"* Loaded features:\n\n");
1106 for (i=0; i<
RARRAY_LEN(vm->loaded_features); i++) {
1109 fprintf(stderr,
" %4d %.*s\n", i,
1117 fprintf(stderr,
" %4d %s:<unnamed>\n", i,
type);
1120 fprintf(stderr,
" %4d %s:%.*s\n", i,
type,
1126 fprintf(stderr,
" %4d #<%p:%p>\n", i,
1127 (
void *)
CLASS_OF(name), (
void *)name);
1130 fprintf(stderr,
" %4d #<%.*s:%p>\n", i,
1136 fprintf(stderr,
"\n");
1140#ifdef PROC_MAPS_NAME
1142 FILE *fp = fopen(PROC_MAPS_NAME,
"r");
1144 fprintf(stderr,
"* Process memory map:\n\n");
1148 size_t rn = fread(buff, 1, 0x100, fp);
1149 if (fwrite(buff, 1, rn, stderr) != rn)
1154 fprintf(stderr,
"\n\n");
1158#ifdef HAVE_LIBPROCSTAT
1159# define MIB_KERN_PROC_PID_LEN 4
1160 int mib[MIB_KERN_PROC_PID_LEN];
1161 struct kinfo_proc kp;
1162 size_t len =
sizeof(
struct kinfo_proc);
1165 mib[2] = KERN_PROC_PID;
1167 if (sysctl(mib, MIB_KERN_PROC_PID_LEN, &kp, &len, NULL, 0) == -1) {
1171 struct procstat *prstat = procstat_open_sysctl();
1172 fprintf(stderr,
"* Process memory map:\n\n");
1173 procstat_vm(prstat, &kp);
1174 procstat_close(prstat);
1175 fprintf(stderr,
"\n");
1179 vm_address_t addr = 0;
1181 struct vm_region_submap_info map;
1182 mach_msg_type_number_t count = VM_REGION_SUBMAP_INFO_COUNT;
1183 natural_t depth = 0;
1185 fprintf(stderr,
"* Process memory map:\n\n");
1187 if (vm_region_recurse(mach_task_self(), &addr, &size, &depth,
1188 (vm_region_recurse_info_t)&map, &count) != KERN_SUCCESS) {
1192 if (map.is_submap) {
1197 fprintf(stderr,
"%lx-%lx %s%s%s", addr, (addr+size),
1198 ((map.protection & VM_PROT_READ) != 0 ?
"r" :
"-"),
1199 ((map.protection & VM_PROT_WRITE) != 0 ?
"w" :
"-"),
1200 ((map.protection & VM_PROT_EXECUTE) != 0 ?
"x" :
"-"));
1201#ifdef HAVE_LIBPROC_H
1202 char buff[PATH_MAX];
1203 if (proc_regionfilename(getpid(), addr, buff,
sizeof(buff)) > 0) {
1204 fprintf(stderr,
" %s", buff);
1207 fprintf(stderr,
"\n");
1218rb_vmdebug_stack_dump_all_threads(
void)
1224 ccan_list_for_each(&r->threads.set, th, lt_node) {
1225#ifdef NON_SCALAR_THREAD_ID
1226 fprintf(stderr,
"th: %p, native_id: N/A\n", th);
1228 fprintf(stderr,
"th: %p, native_id: %p\n", (
void *)th, (
void *)(uintptr_t)th->nt->thread_id);
1230 rb_vmdebug_stack_dump_raw(th->ec, th->ec->cfp);
#define rb_str_new2
Old name of rb_str_new_cstr.
#define TYPE(_)
Old name of rb_type.
#define T_STRING
Old name of RUBY_T_STRING.
#define T_IMEMO
Old name of RUBY_T_IMEMO.
#define CLASS_OF
Old name of rb_class_of.
#define T_MODULE
Old name of RUBY_T_MODULE.
#define T_UNDEF
Old name of RUBY_T_UNDEF.
#define Qnil
Old name of RUBY_Qnil.
#define T_CLASS
Old name of RUBY_T_CLASS.
#define SYMBOL_P
Old name of RB_SYMBOL_P.
void rb_bug(const char *fmt,...)
Interpreter panic switch.
VALUE rb_obj_class(VALUE obj)
Queries the class of an object.
VALUE rb_inspect(VALUE obj)
Generates a human-readable textual representation of the given object.
VALUE rb_class_real(VALUE klass)
Finds a "real" class.
VALUE rb_sym2str(VALUE id)
Identical to rb_id2str(), except it takes an instance of rb_cSymbol rather than an ID.
const char * rb_id2name(ID id)
Retrieves the name mapped to the given id.
VALUE type(ANYARGS)
ANYARGS-ed function type.
#define PRI_PIDT_PREFIX
A rb_sprintf() format prefix to be used for a pid_t parameter.
#define RARRAY_LEN
Just another name of rb_array_len.
#define RARRAY_AREF(a, i)
static char * RSTRING_PTR(VALUE str)
Queries the contents pointer of the string.
#define StringValueCStr(v)
Identical to StringValuePtr, except it additionally checks for the contents for viability as a C stri...
uintptr_t VALUE
Type that represents a Ruby object.
static bool RB_TYPE_P(VALUE obj, enum ruby_value_type t)
Queries if the given object is of given type.