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:
101 tmp = rb_inspect(cfp->self);
108 if (cfp->iseq != 0) {
109#define RUBY_VM_IFUNC_P(ptr) IMEMO_TYPE_P(ptr, imemo_ifunc)
110 if (RUBY_VM_IFUNC_P(cfp->iseq)) {
111 iseq_name =
"<ifunc>";
113 else if (
SYMBOL_P((VALUE)cfp->iseq)) {
116 snprintf(posbuf, MAX_POSBUF,
":%s", iseq_name);
121 pc = cfp->pc - iseq->body->iseq_encoded;
122 iseq_name =
RSTRING_PTR(iseq->body->location.label);
123 line = rb_vm_get_sourceline(cfp);
125 snprintf(posbuf, MAX_POSBUF,
"%s:%d",
RSTRING_PTR(rb_iseq_path(iseq)), line);
129 else if (me != NULL) {
131 snprintf(posbuf, MAX_POSBUF,
":%s", iseq_name);
135 fprintf(stderr,
"c:%04"PRIdPTRDIFF
" ",
138 fprintf(stderr,
"p:---- ");
141 fprintf(stderr,
"p:%04"PRIdPTRDIFF
" ", pc);
143 fprintf(stderr,
"s:%04"PRIdPTRDIFF
" ", cfp->sp - ec->vm_stack);
144 fprintf(stderr, ep_in_heap ==
' ' ?
"e:%06"PRIdPTRDIFF
" " :
"E:%06"PRIxPTRDIFF
" ", ep % 10000);
145 fprintf(stderr,
"%-6s", magic);
147 fprintf(stderr,
" %s", posbuf);
149 if (VM_FRAME_FINISHED_P(cfp)) {
150 fprintf(stderr,
" [FINISH]");
153 fprintf(stderr,
" \t");
154 fprintf(stderr,
"iseq: %-24s ", iseq_name);
155 fprintf(stderr,
"self: %-24s ", selfstr);
156 fprintf(stderr,
"%-1s ", biseq_name);
158 fprintf(stderr,
"\n");
165 if (IMEMO_TYPE_P(me, imemo_ment)) {
166 fprintf(stderr,
" me:\n");
167 fprintf(stderr,
" called_id: %s, type: %s\n",
rb_id2name(me->called_id), rb_method_type_name(me->def->type));
168 fprintf(stderr,
" owner class: %s\n", rb_raw_obj_info(buff, 0x100, me->owner));
169 if (me->owner != me->defined_class) {
170 fprintf(stderr,
" defined_class: %s\n", rb_raw_obj_info(buff, 0x100, me->defined_class));
174 fprintf(stderr,
" me is corrupted (%s)\n", rb_raw_obj_info(buff, 0x100, (VALUE)me));
178 fprintf(stderr,
" self: %s\n", rb_raw_obj_info(buff, 0x100, cfp->self));
181 if (iseq->body->local_table_size > 0) {
182 fprintf(stderr,
" lvars:\n");
183 for (
unsigned int i=0; i<iseq->body->local_table_size; i++) {
184 const VALUE *argv = cfp->ep - cfp->iseq->body->local_table_size - VM_ENV_DATA_SIZE + 1;
185 fprintf(stderr,
" %s: %s\n",
187 rb_raw_obj_info(buff, 0x100, argv[i]));
199 const VALUE *ep = cfp->ep;
202 fprintf(stderr,
"-- stack frame ------------\n");
203 for (p = st = ec->vm_stack; p < sp; p++) {
204 fprintf(stderr,
"%04ld (%p): %08"PRIxVALUE, (
long)(p - st), p, *p);
207 if (ec->vm_stack <= t && t < sp) {
208 fprintf(stderr,
" (= %ld)", (
long)((VALUE *)GC_GUARDED_PTR_REF((VALUE)t) - ec->vm_stack));
212 fprintf(stderr,
" <- ep");
214 fprintf(stderr,
"\n");
218 fprintf(stderr,
"-- Control frame information "
219 "-----------------------------------------------\n");
220 while ((
void *)cfp < (
void *)(ec->vm_stack + ec->vm_stack_size)) {
221 control_frame_dump(ec, cfp);
224 fprintf(stderr,
"\n");
228rb_vmdebug_stack_dump_raw_current(
void)
231 rb_vmdebug_stack_dump_raw(ec, ec->cfp);
235rb_vmdebug_env_dump_raw(
const rb_env_t *env,
const VALUE *ep)
238 fprintf(stderr,
"-- env --------------------\n");
241 fprintf(stderr,
"--\n");
242 for (i = 0; i < env->env_size; i++) {
243 fprintf(stderr,
"%04d: %08"PRIxVALUE
" (%p)", i, env->env[i], (
void *)&env->env[i]);
244 if (&env->env[i] == ep) fprintf(stderr,
" <- ep");
245 fprintf(stderr,
"\n");
248 env = rb_vm_env_prev_env(env);
250 fprintf(stderr,
"---------------------------\n");
258 VALUE val = rb_inspect(vm_block_self(&proc->block));
261 fprintf(stderr,
"-- proc -------------------\n");
262 fprintf(stderr,
"self: %s\n", selfstr);
263 env = VM_ENV_ENVVAL_PTR(vm_block_ep(&proc->block));
264 rb_vmdebug_env_dump_raw(env, vm_block_ep(&proc->block));
268rb_vmdebug_stack_dump_th(VALUE thval)
271 rb_vmdebug_stack_dump_raw(target_th->ec, target_th->ec->cfp);
281 const VALUE *bp = prev_cfp->sp + cfp->iseq->body->local_table_size + VM_ENV_DATA_SIZE;
283 if (cfp->iseq->body->type == ISEQ_TYPE_METHOD) {
292 int i, argc = 0, local_table_size = 0;
295 const VALUE *ep = cfp->ep;
297 if (VM_FRAME_RUBYFRAME_P(cfp)) {
299 argc = iseq->body->param.lead_num;
300 local_table_size = iseq->body->local_table_size;
305 if (VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_METHOD||
306 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_TOP ||
307 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_BLOCK ||
308 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_CLASS ||
309 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_CFUNC ||
310 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_IFUNC ||
311 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_EVAL ||
312 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_RESCUE)
314 const VALUE *ptr = ep - local_table_size;
316 control_frame_dump(ec, cfp);
318 for (i = 0; i < argc; i++) {
319 rstr = rb_inspect(*ptr);
323 for (; i < local_table_size - 1; i++) {
324 rstr = rb_inspect(*ptr);
329 ptr = vm_base_ptr(cfp);
330 for (; ptr < sp; ptr++, i++) {
331 switch (
TYPE(*ptr)) {
339 rstr = rb_inspect(*ptr);
342 fprintf(stderr,
" stack %2d: %8s (%"PRIdPTRDIFF
")\n", i,
StringValueCStr(rstr),
343 (ptr - ec->vm_stack));
346 else if (VM_FRAME_FINISHED_P(cfp)) {
347 if (ec->vm_stack + ec->vm_stack_size > (VALUE *)(cfp + 1)) {
348 vm_stack_dump_each(ec, cfp + 1);
355 rb_bug(
"unsupported frame type: %08lx", VM_FRAME_TYPE(cfp));
365 ptrdiff_t ep = cfp->ep - ec->vm_stack;
368 if (VM_FRAME_RUBYFRAME_P(cfp)) {
369 pc = cfp->pc - cfp->iseq->body->iseq_encoded;
372 if (ep < 0 || (
size_t)ep > ec->vm_stack_size) {
377 fprintf(stderr,
" [PC] %04"PRIdPTRDIFF
", [SP] %04"PRIdPTRDIFF
", [EP] %04"PRIdPTRDIFF
", [CFP] %04"PRIdPTRDIFF
"\n",
378 pc, (cfp->sp - ec->vm_stack), ep, cfpi);
382rb_vmdebug_thread_dump_regs(VALUE thval)
384 rb_vmdebug_debug_print_register(rb_thread_ptr(thval)->ec);
393 ptrdiff_t pc = _pc - iseq->body->iseq_encoded;
396 for (i=0; i<(int)VM_CFP_CNT(ec, cfp); i++) {
400 if(0)printf(
"[%03ld] ", (
long)(cfp->sp - ec->vm_stack));
404 const VALUE *iseq_original = rb_iseq_original_iseq((
rb_iseq_t *)iseq);
406 rb_iseq_disasm_insn(0, iseq_original, (
size_t)pc, iseq, 0);
411 fprintf(stderr,
" (1)");
412 rb_vmdebug_debug_print_register(ec);
419 , VALUE reg_a, VALUE reg_b
428 fprintf(stderr,
" (2)");
429 rb_vmdebug_debug_print_register(ec);
435 vm_stack_dump_each(ec, ec->cfp);
440 rstr = rb_inspect(reg_a);
442 rstr = rb_inspect(reg_b);
447 (
"--------------------------------------------------------------\n");
452rb_vmdebug_thread_dump_state(VALUE
self)
457 fprintf(stderr,
"Thread state dump:\n");
458 fprintf(stderr,
"pc : %p, sp : %p\n", (
void *)cfp->pc, (
void *)cfp->sp);
459 fprintf(stderr,
"cfp: %p, ep : %p\n", (
void *)cfp, (
void *)cfp->ep);
466# define MCTX_SS_REG(reg) __ss.__##reg
468# define MCTX_SS_REG(reg) ss.reg
472#if defined(HAVE_BACKTRACE)
473# define USE_BACKTRACE 1
474# ifdef HAVE_LIBUNWIND
476# define backtrace unw_backtrace
477# elif defined(__APPLE__) && defined(__x86_64__) && defined(HAVE_LIBUNWIND_H)
478# define UNW_LOCAL_ONLY
479# include <libunwind.h>
480# include <sys/mman.h>
483backtrace(
void **trace,
int size)
485 unw_cursor_t cursor; unw_context_t uc;
490 unw_init_local(&cursor, &uc);
491 while (unw_step(&cursor) > 0) {
492 unw_get_reg(&cursor, UNW_REG_IP, &ip);
493 trace[n++] = (
void *)ip;
496 unw_get_proc_name(&cursor, buf, 256, &ip);
497 if (strncmp(
"_sigtramp", buf,
sizeof(
"_sigtramp")) == 0) {
498 goto darwin_sigtramp;
513 unw_get_reg(&cursor, UNW_X86_64_RBX, &ip);
514 uctx = (ucontext_t *)ip;
515 unw_set_reg(&cursor, UNW_X86_64_RAX, uctx->uc_mcontext->MCTX_SS_REG(rax));
516 unw_set_reg(&cursor, UNW_X86_64_RBX, uctx->uc_mcontext->MCTX_SS_REG(rbx));
517 unw_set_reg(&cursor, UNW_X86_64_RCX, uctx->uc_mcontext->MCTX_SS_REG(rcx));
518 unw_set_reg(&cursor, UNW_X86_64_RDX, uctx->uc_mcontext->MCTX_SS_REG(rdx));
519 unw_set_reg(&cursor, UNW_X86_64_RDI, uctx->uc_mcontext->MCTX_SS_REG(rdi));
520 unw_set_reg(&cursor, UNW_X86_64_RSI, uctx->uc_mcontext->MCTX_SS_REG(rsi));
521 unw_set_reg(&cursor, UNW_X86_64_RBP, uctx->uc_mcontext->MCTX_SS_REG(rbp));
522 unw_set_reg(&cursor, UNW_X86_64_RSP, 8+(uctx->uc_mcontext->MCTX_SS_REG(rsp)));
523 unw_set_reg(&cursor, UNW_X86_64_R8, uctx->uc_mcontext->MCTX_SS_REG(r8));
524 unw_set_reg(&cursor, UNW_X86_64_R9, uctx->uc_mcontext->MCTX_SS_REG(r9));
525 unw_set_reg(&cursor, UNW_X86_64_R10, uctx->uc_mcontext->MCTX_SS_REG(r10));
526 unw_set_reg(&cursor, UNW_X86_64_R11, uctx->uc_mcontext->MCTX_SS_REG(r11));
527 unw_set_reg(&cursor, UNW_X86_64_R12, uctx->uc_mcontext->MCTX_SS_REG(r12));
528 unw_set_reg(&cursor, UNW_X86_64_R13, uctx->uc_mcontext->MCTX_SS_REG(r13));
529 unw_set_reg(&cursor, UNW_X86_64_R14, uctx->uc_mcontext->MCTX_SS_REG(r14));
530 unw_set_reg(&cursor, UNW_X86_64_R15, uctx->uc_mcontext->MCTX_SS_REG(r15));
531 ip = uctx->uc_mcontext->MCTX_SS_REG(rip);
559 r = mincore((
const void *)ip, 1, vec);
560 if (r || vec[0] <= 0 || memcmp((
const char *)ip-2,
"\x0f\x05", 2) == 0) {
563 trace[n++] = (
void *)ip;
564 ip = *(unw_word_t*)uctx->uc_mcontext->MCTX_SS_REG(rsp);
566 trace[n++] = (
void *)ip;
567 unw_set_reg(&cursor, UNW_REG_IP, ip);
569 while (unw_step(&cursor) > 0) {
570 unw_get_reg(&cursor, UNW_REG_IP, &ip);
571 trace[n++] = (
void *)ip;
575# elif defined(BROKEN_BACKTRACE)
577# define USE_BACKTRACE 0
580# define USE_BACKTRACE 0
584# include <execinfo.h>
586# include <imagehlp.h>
588# define SYMOPT_DEBUG 0x80000000
591# define MAX_SYM_NAME 2000
599 DWORD ThCallbackStack;
600 DWORD ThCallbackBStore;
603 DWORD64 KiCallUserMode;
604 DWORD64 KeUserCallbackDispatcher;
605 DWORD64 SystemRangeStart;
606 DWORD64 KiUserExceptionDispatcher;
613 ADDRESS64 AddrReturn;
616 ADDRESS64 AddrBStore;
617 void *FuncTableEntry;
648typedef void *PREAD_PROCESS_MEMORY_ROUTINE64;
649typedef void *PFUNCTION_TABLE_ACCESS_ROUTINE64;
650typedef void *PGET_MODULE_BASE_ROUTINE64;
651typedef void *PTRANSLATE_ADDRESS_ROUTINE64;
655dump_thread(
void *arg)
658 BOOL (WINAPI *pSymInitialize)(HANDLE,
const char *, BOOL);
659 BOOL (WINAPI *pSymCleanup)(HANDLE);
660 BOOL (WINAPI *pStackWalk64)(DWORD, HANDLE, HANDLE, STACKFRAME64 *,
void *, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
661 DWORD64 (WINAPI *pSymGetModuleBase64)(HANDLE, DWORD64);
662 BOOL (WINAPI *pSymFromAddr)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *);
663 BOOL (WINAPI *pSymGetLineFromAddr64)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *);
664 HANDLE (WINAPI *pOpenThread)(DWORD, BOOL, DWORD);
665 DWORD tid = *(DWORD *)arg;
669 dbghelp = LoadLibrary(
"dbghelp.dll");
670 if (!dbghelp)
return;
671 pSymInitialize = (BOOL (WINAPI *)(HANDLE,
const char *, BOOL))GetProcAddress(dbghelp,
"SymInitialize");
672 pSymCleanup = (BOOL (WINAPI *)(HANDLE))GetProcAddress(dbghelp,
"SymCleanup");
673 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");
674 pSymGetModuleBase64 = (DWORD64 (WINAPI *)(HANDLE, DWORD64))GetProcAddress(dbghelp,
"SymGetModuleBase64");
675 pSymFromAddr = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *))GetProcAddress(dbghelp,
"SymFromAddr");
676 pSymGetLineFromAddr64 = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *))GetProcAddress(dbghelp,
"SymGetLineFromAddr64");
677 pOpenThread = (HANDLE (WINAPI *)(DWORD, BOOL, DWORD))GetProcAddress(GetModuleHandle(
"kernel32.dll"),
"OpenThread");
678 if (pSymInitialize && pSymCleanup && pStackWalk64 && pSymGetModuleBase64 &&
679 pSymFromAddr && pSymGetLineFromAddr64 && pOpenThread) {
680 SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS | SYMOPT_DEBUG | SYMOPT_LOAD_LINES);
681 ph = GetCurrentProcess();
682 pSymInitialize(ph, NULL, TRUE);
683 th = pOpenThread(THREAD_SUSPEND_RESUME|THREAD_GET_CONTEXT, FALSE, tid);
685 if (SuspendThread(th) != (DWORD)-1) {
687 memset(&context, 0,
sizeof(context));
688 context.ContextFlags = CONTEXT_FULL;
689 if (GetThreadContext(th, &context)) {
690 char libpath[MAX_PATH];
691 char buf[
sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
692 SYMBOL_INFO *info = (SYMBOL_INFO *)buf;
695 memset(&frame, 0,
sizeof(frame));
696#if defined(_M_AMD64) || defined(__x86_64__)
697 mac = IMAGE_FILE_MACHINE_AMD64;
698 frame.AddrPC.Mode = AddrModeFlat;
699 frame.AddrPC.Offset = context.Rip;
700 frame.AddrFrame.Mode = AddrModeFlat;
701 frame.AddrFrame.Offset = context.Rbp;
702 frame.AddrStack.Mode = AddrModeFlat;
703 frame.AddrStack.Offset = context.Rsp;
705 mac = IMAGE_FILE_MACHINE_I386;
706 frame.AddrPC.Mode = AddrModeFlat;
707 frame.AddrPC.Offset = context.Eip;
708 frame.AddrFrame.Mode = AddrModeFlat;
709 frame.AddrFrame.Offset = context.Ebp;
710 frame.AddrStack.Mode = AddrModeFlat;
711 frame.AddrStack.Offset = context.Esp;
714 while (pStackWalk64(mac, ph, th, &frame, &context, NULL,
716 DWORD64 addr = frame.AddrPC.Offset;
717 IMAGEHLP_LINE64 line;
718 DWORD64 displacement;
721 if (addr == frame.AddrReturn.Offset || addr == 0 ||
722 frame.AddrReturn.Offset == 0)
725 memset(buf, 0,
sizeof(buf));
726 info->SizeOfStruct =
sizeof(SYMBOL_INFO);
727 info->MaxNameLen = MAX_SYM_NAME;
728 if (pSymFromAddr(ph, addr, &displacement, info)) {
729 if (GetModuleFileName((HANDLE)(uintptr_t)pSymGetModuleBase64(ph, addr), libpath,
sizeof(libpath)))
730 fprintf(stderr,
"%s", libpath);
731 fprintf(stderr,
"(%s+0x%"PRI_64_PREFIX
"x)",
732 info->Name, displacement);
734 fprintf(stderr,
" [0x%p]", (
void *)(VALUE)addr);
735 memset(&line, 0,
sizeof(line));
736 line.SizeOfStruct =
sizeof(line);
737 if (pSymGetLineFromAddr64(ph, addr, &tmp, &line))
738 fprintf(stderr,
" %s:%lu", line.FileName, line.LineNumber);
739 fprintf(stderr,
"\n");
749 FreeLibrary(dbghelp);
754rb_print_backtrace(
void)
757#define MAX_NATIVE_TRACE 1024
758 static void *trace[MAX_NATIVE_TRACE];
759 int n = (int)backtrace(trace, MAX_NATIVE_TRACE);
760#if (defined(USE_ELF) || defined(HAVE_MACH_O_LOADER_H)) && defined(HAVE_DLADDR) && !defined(__sparc)
761 rb_dump_backtrace_with_lines(n, trace);
763 char **syms = backtrace_symbols(trace, n);
766 for (i=0; i<n; i++) {
767 fprintf(stderr,
"%s\n", syms[i]);
773 DWORD tid = GetCurrentThreadId();
774 HANDLE th = (HANDLE)_beginthread(dump_thread, 0, &tid);
775 if (th != (HANDLE)-1)
776 WaitForSingleObject(th, INFINITE);
780#ifdef HAVE_LIBPROCSTAT
781#include "missing/procstat_vm.c"
785# if defined __x86_64__ || defined __i386__ || defined __aarch64__ || defined __arm__ || defined __riscv
786# define HAVE_PRINT_MACHINE_REGISTERS 1
788#elif defined __APPLE__
789# if defined __x86_64__ || defined __i386__ || defined __aarch64__
790# define HAVE_PRINT_MACHINE_REGISTERS 1
794#ifdef HAVE_PRINT_MACHINE_REGISTERS
796print_machine_register(
size_t reg,
const char *reg_name,
int col_count,
int max_col)
800 static const int size_width =
sizeof(size_t) * CHAR_BIT / 4;
802 ret = snprintf(buf,
sizeof(buf),
" %3.3s: 0x%.*" PRIxSIZE, reg_name, size_width, reg);
803 if (col_count + ret > max_col) {
812# if defined(__x86_64__) || defined(__i386__)
813# define dump_machine_register(reg) (col_count = print_machine_register(mctx->gregs[REG_##reg], #reg, col_count, 80))
814# elif defined(__aarch64__) || defined(__arm__) || defined(__riscv)
815# define dump_machine_register(reg, regstr) (col_count = print_machine_register(reg, regstr, col_count, 80))
817# elif defined __APPLE__
818# if defined(__aarch64__)
819# define dump_machine_register(reg, regstr) (col_count = print_machine_register(mctx->MCTX_SS_REG(reg), regstr, col_count, 80))
821# define dump_machine_register(reg) (col_count = print_machine_register(mctx->MCTX_SS_REG(reg), #reg, col_count, 80))
826rb_dump_machine_register(
const ucontext_t *ctx)
831 fprintf(stderr,
"-- Machine register context "
832 "------------------------------------------------\n");
834# if defined __linux__
836 const mcontext_t *
const mctx = &ctx->uc_mcontext;
837# if defined __x86_64__
838 dump_machine_register(RIP);
839 dump_machine_register(RBP);
840 dump_machine_register(RSP);
841 dump_machine_register(RAX);
842 dump_machine_register(RBX);
843 dump_machine_register(RCX);
844 dump_machine_register(RDX);
845 dump_machine_register(RDI);
846 dump_machine_register(RSI);
847 dump_machine_register(R8);
848 dump_machine_register(R9);
849 dump_machine_register(R10);
850 dump_machine_register(R11);
851 dump_machine_register(R12);
852 dump_machine_register(R13);
853 dump_machine_register(R14);
854 dump_machine_register(R15);
855 dump_machine_register(EFL);
856# elif defined __i386__
857 dump_machine_register(GS);
858 dump_machine_register(FS);
859 dump_machine_register(ES);
860 dump_machine_register(DS);
861 dump_machine_register(EDI);
862 dump_machine_register(ESI);
863 dump_machine_register(EBP);
864 dump_machine_register(ESP);
865 dump_machine_register(EBX);
866 dump_machine_register(EDX);
867 dump_machine_register(ECX);
868 dump_machine_register(EAX);
869 dump_machine_register(TRAPNO);
870 dump_machine_register(ERR);
871 dump_machine_register(EIP);
872 dump_machine_register(CS);
873 dump_machine_register(EFL);
874 dump_machine_register(UESP);
875 dump_machine_register(SS);
876# elif defined __aarch64__
877 dump_machine_register(mctx->regs[0],
"x0");
878 dump_machine_register(mctx->regs[1],
"x1");
879 dump_machine_register(mctx->regs[2],
"x2");
880 dump_machine_register(mctx->regs[3],
"x3");
881 dump_machine_register(mctx->regs[4],
"x4");
882 dump_machine_register(mctx->regs[5],
"x5");
883 dump_machine_register(mctx->regs[6],
"x6");
884 dump_machine_register(mctx->regs[7],
"x7");
885 dump_machine_register(mctx->regs[18],
"x18");
886 dump_machine_register(mctx->regs[19],
"x19");
887 dump_machine_register(mctx->regs[20],
"x20");
888 dump_machine_register(mctx->regs[21],
"x21");
889 dump_machine_register(mctx->regs[22],
"x22");
890 dump_machine_register(mctx->regs[23],
"x23");
891 dump_machine_register(mctx->regs[24],
"x24");
892 dump_machine_register(mctx->regs[25],
"x25");
893 dump_machine_register(mctx->regs[26],
"x26");
894 dump_machine_register(mctx->regs[27],
"x27");
895 dump_machine_register(mctx->regs[28],
"x28");
896 dump_machine_register(mctx->regs[29],
"x29");
897 dump_machine_register(mctx->sp,
"sp");
898 dump_machine_register(mctx->fault_address,
"fault_address");
899# elif defined __arm__
900 dump_machine_register(mctx->arm_r0,
"r0");
901 dump_machine_register(mctx->arm_r1,
"r1");
902 dump_machine_register(mctx->arm_r2,
"r2");
903 dump_machine_register(mctx->arm_r3,
"r3");
904 dump_machine_register(mctx->arm_r4,
"r4");
905 dump_machine_register(mctx->arm_r5,
"r5");
906 dump_machine_register(mctx->arm_r6,
"r6");
907 dump_machine_register(mctx->arm_r7,
"r7");
908 dump_machine_register(mctx->arm_r8,
"r8");
909 dump_machine_register(mctx->arm_r9,
"r9");
910 dump_machine_register(mctx->arm_r10,
"r10");
911 dump_machine_register(mctx->arm_sp,
"sp");
912 dump_machine_register(mctx->fault_address,
"fault_address");
913# elif defined __riscv
914 dump_machine_register(mctx->__gregs[REG_SP],
"sp");
915 dump_machine_register(mctx->__gregs[REG_S0],
"s0");
916 dump_machine_register(mctx->__gregs[REG_S1],
"s1");
917 dump_machine_register(mctx->__gregs[REG_A0],
"a0");
918 dump_machine_register(mctx->__gregs[REG_A0+1],
"a1");
919 dump_machine_register(mctx->__gregs[REG_A0+2],
"a2");
920 dump_machine_register(mctx->__gregs[REG_A0+3],
"a3");
921 dump_machine_register(mctx->__gregs[REG_A0+4],
"a4");
922 dump_machine_register(mctx->__gregs[REG_A0+5],
"a5");
923 dump_machine_register(mctx->__gregs[REG_A0+6],
"a6");
924 dump_machine_register(mctx->__gregs[REG_A0+7],
"a7");
925 dump_machine_register(mctx->__gregs[REG_S2],
"s2");
926 dump_machine_register(mctx->__gregs[REG_S2+1],
"s3");
927 dump_machine_register(mctx->__gregs[REG_S2+2],
"s4");
928 dump_machine_register(mctx->__gregs[REG_S2+3],
"s5");
929 dump_machine_register(mctx->__gregs[REG_S2+4],
"s6");
930 dump_machine_register(mctx->__gregs[REG_S2+5],
"s7");
931 dump_machine_register(mctx->__gregs[REG_S2+6],
"s8");
932 dump_machine_register(mctx->__gregs[REG_S2+7],
"s9");
933 dump_machine_register(mctx->__gregs[REG_S2+8],
"s10");
934 dump_machine_register(mctx->__gregs[REG_S2+9],
"s11");
937# elif defined __APPLE__
939 const mcontext_t mctx = ctx->uc_mcontext;
940# if defined __x86_64__
941 dump_machine_register(rax);
942 dump_machine_register(rbx);
943 dump_machine_register(rcx);
944 dump_machine_register(rdx);
945 dump_machine_register(rdi);
946 dump_machine_register(rsi);
947 dump_machine_register(rbp);
948 dump_machine_register(rsp);
949 dump_machine_register(r8);
950 dump_machine_register(r9);
951 dump_machine_register(r10);
952 dump_machine_register(r11);
953 dump_machine_register(r12);
954 dump_machine_register(r13);
955 dump_machine_register(r14);
956 dump_machine_register(r15);
957 dump_machine_register(rip);
958 dump_machine_register(rflags);
959# elif defined __i386__
960 dump_machine_register(eax);
961 dump_machine_register(ebx);
962 dump_machine_register(ecx);
963 dump_machine_register(edx);
964 dump_machine_register(edi);
965 dump_machine_register(esi);
966 dump_machine_register(ebp);
967 dump_machine_register(esp);
968 dump_machine_register(ss);
969 dump_machine_register(eflags);
970 dump_machine_register(eip);
971 dump_machine_register(cs);
972 dump_machine_register(ds);
973 dump_machine_register(es);
974 dump_machine_register(fs);
975 dump_machine_register(gs);
976# elif defined __aarch64__
977 dump_machine_register(x[0],
"x0");
978 dump_machine_register(x[1],
"x1");
979 dump_machine_register(x[2],
"x2");
980 dump_machine_register(x[3],
"x3");
981 dump_machine_register(x[4],
"x4");
982 dump_machine_register(x[5],
"x5");
983 dump_machine_register(x[6],
"x6");
984 dump_machine_register(x[7],
"x7");
985 dump_machine_register(x[18],
"x18");
986 dump_machine_register(x[19],
"x19");
987 dump_machine_register(x[20],
"x20");
988 dump_machine_register(x[21],
"x21");
989 dump_machine_register(x[22],
"x22");
990 dump_machine_register(x[23],
"x23");
991 dump_machine_register(x[24],
"x24");
992 dump_machine_register(x[25],
"x25");
993 dump_machine_register(x[26],
"x26");
994 dump_machine_register(x[27],
"x27");
995 dump_machine_register(x[28],
"x28");
996 dump_machine_register(lr,
"lr");
997 dump_machine_register(fp,
"fp");
998 dump_machine_register(sp,
"sp");
1002 fprintf(stderr,
"\n\n");
1005# define rb_dump_machine_register(ctx) ((void)0)
1009rb_vm_bugreport(
const void *ctx)
1012 const char *cmd = getenv(
"RUBY_ON_BUG");
1016 int r = system(buf);
1018 snprintf(buf,
sizeof(buf),
"Launching RUBY_ON_BUG command failed.");
1024# define PROC_MAPS_NAME "/proc/self/maps"
1026#ifdef PROC_MAPS_NAME
1027 enum {other_runtime_info = 1};
1029 enum {other_runtime_info = 0};
1031 const rb_vm_t *
const vm = GET_VM();
1036 rb_backtrace_print_as_bugreport();
1037 fputs(
"\n", stderr);
1040 rb_dump_machine_register(ctx);
1042#if USE_BACKTRACE || defined(_WIN32)
1043 fprintf(stderr,
"-- C level backtrace information "
1044 "-------------------------------------------\n");
1045 rb_print_backtrace();
1048 fprintf(stderr,
"\n");
1051 if (other_runtime_info || vm) {
1052 fprintf(stderr,
"-- Other runtime information "
1053 "-----------------------------------------------\n\n");
1059 const int max_name_length = 1024;
1060# define LIMITED_NAME_LENGTH(s) \
1061 (((len = RSTRING_LEN(s)) > max_name_length) ? max_name_length : (int)len)
1063 name = vm->progname;
1065 fprintf(stderr,
"* Loaded script: %.*s\n",
1067 fprintf(stderr,
"\n");
1069 if (vm->loaded_features) {
1070 fprintf(stderr,
"* Loaded features:\n\n");
1071 for (i=0; i<
RARRAY_LEN(vm->loaded_features); i++) {
1074 fprintf(stderr,
" %4d %.*s\n", i,
1082 fprintf(stderr,
" %4d %s:<unnamed>\n", i,
type);
1085 fprintf(stderr,
" %4d %s:%.*s\n", i,
type,
1089 VALUE klass = rb_search_class_path(rb_obj_class(name));
1091 fprintf(stderr,
" %4d #<%p:%p>\n", i,
1092 (
void *)
CLASS_OF(name), (
void *)name);
1095 fprintf(stderr,
" %4d #<%.*s:%p>\n", i,
1101 fprintf(stderr,
"\n");
1105#ifdef PROC_MAPS_NAME
1107 FILE *fp = fopen(PROC_MAPS_NAME,
"r");
1109 fprintf(stderr,
"* Process memory map:\n\n");
1113 size_t rn = fread(buff, 1, 0x100, fp);
1114 if (fwrite(buff, 1, rn, stderr) != rn)
1119 fprintf(stderr,
"\n\n");
1123#ifdef HAVE_LIBPROCSTAT
1124# define MIB_KERN_PROC_PID_LEN 4
1125 int mib[MIB_KERN_PROC_PID_LEN];
1126 struct kinfo_proc kp;
1127 size_t len =
sizeof(
struct kinfo_proc);
1130 mib[2] = KERN_PROC_PID;
1132 if (sysctl(mib, MIB_KERN_PROC_PID_LEN, &kp, &len, NULL, 0) == -1) {
1136 struct procstat *prstat = procstat_open_sysctl();
1137 fprintf(stderr,
"* Process memory map:\n\n");
1138 procstat_vm(prstat, &kp);
1139 procstat_close(prstat);
1140 fprintf(stderr,
"\n");
1144 vm_address_t addr = 0;
1146 struct vm_region_submap_info map;
1147 mach_msg_type_number_t count = VM_REGION_SUBMAP_INFO_COUNT;
1148 natural_t depth = 0;
1150 fprintf(stderr,
"* Process memory map:\n\n");
1152 if (vm_region_recurse(mach_task_self(), &addr, &size, &depth,
1153 (vm_region_recurse_info_t)&map, &count) != KERN_SUCCESS) {
1157 if (map.is_submap) {
1162 fprintf(stderr,
"%lx-%lx %s%s%s", addr, (addr+size),
1163 ((map.protection & VM_PROT_READ) != 0 ?
"r" :
"-"),
1164 ((map.protection & VM_PROT_WRITE) != 0 ?
"w" :
"-"),
1165 ((map.protection & VM_PROT_EXECUTE) != 0 ?
"x" :
"-"));
1166#ifdef HAVE_LIBPROC_H
1167 char buff[PATH_MAX];
1168 if (proc_regionfilename(getpid(), addr, buff,
sizeof(buff)) > 0) {
1169 fprintf(stderr,
" %s", buff);
1172 fprintf(stderr,
"\n");
1182#ifdef NON_SCALAR_THREAD_ID
1187rb_vmdebug_stack_dump_all_threads(
void)
1193 list_for_each(&r->threads.set, th, lt_node) {
1194#ifdef NON_SCALAR_THREAD_ID
1195 rb_thread_id_string_t buf;
1196 ruby_fill_thread_id_string(th->thread_id, buf);
1197 fprintf(stderr,
"th: %p, native_id: %s\n", th, buf);
1199 fprintf(stderr,
"th: %p, native_id: %p\n", (
void *)th, (
void *)(uintptr_t)th->thread_id);
1201 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_class_real(VALUE klass)
Finds a "real" class.
int rb_during_gc(void)
Queries if the GC is busy.
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...
static bool RB_TYPE_P(VALUE obj, enum ruby_value_type t)
Queries if the given object is of given type.