11#include "ruby/internal/config.h"
22# include <mach/vm_map.h>
23# include <mach/mach_init.h>
25# define vm_region_recurse vm_region_recurse_64
34#include "internal/gc.h"
35#include "internal/variable.h"
36#include "internal/vm.h"
39#include "ractor_core.h"
43#define VM_CFP_CNT(ec, cfp) \
44 ((rb_control_frame_t *)((ec)->vm_stack + (ec)->vm_stack_size) - \
45 (rb_control_frame_t *)(cfp))
47const char *rb_method_type_name(rb_method_type_t
type);
50#define kprintf(...) if (fprintf(errout, __VA_ARGS__) < 0) goto error
51#define kputs(s) if (fputs(s, errout) < 0) goto error
57 ptrdiff_t ep = cfp->ep - ec->vm_stack;
58 char ep_in_heap =
' ';
59 char posbuf[MAX_POSBUF+1];
61 const char *magic, *iseq_name =
"-", *selfstr =
"-", *biseq_name =
"-";
67 if (ep < 0 || (
size_t)ep > ec->vm_stack_size) {
68 ep = (ptrdiff_t)cfp->ep;
72 switch (VM_FRAME_TYPE_UNCHECKED(cfp)) {
73 case VM_FRAME_MAGIC_TOP:
75 ns = VM_ENV_NAMESPACE_UNCHECKED(cfp->ep);
77 case VM_FRAME_MAGIC_METHOD:
83 case VM_FRAME_MAGIC_CLASS:
85 ns = VM_ENV_NAMESPACE_UNCHECKED(cfp->ep);
87 case VM_FRAME_MAGIC_BLOCK:
90 case VM_FRAME_MAGIC_CFUNC:
93 case VM_FRAME_MAGIC_IFUNC:
96 case VM_FRAME_MAGIC_EVAL:
99 case VM_FRAME_MAGIC_RESCUE:
102 case VM_FRAME_MAGIC_DUMMY:
121 if (cfp->iseq != 0) {
122#define RUBY_VM_IFUNC_P(ptr) IMEMO_TYPE_P(ptr, imemo_ifunc)
123 if (RUBY_VM_IFUNC_P(cfp->iseq)) {
124 iseq_name =
"<ifunc>";
128 iseq_name = RSTRING_PTR(tmp);
129 snprintf(posbuf, MAX_POSBUF,
":%s", iseq_name);
135 pc = cfp->pc - ISEQ_BODY(iseq)->iseq_encoded;
136 iseq_name = RSTRING_PTR(ISEQ_BODY(iseq)->location.label);
137 if (pc >= 0 && pc <= ISEQ_BODY(iseq)->iseq_size) {
138 line = rb_vm_get_sourceline(cfp);
141 snprintf(posbuf, MAX_POSBUF,
"%s:%d", RSTRING_PTR(rb_iseq_path(iseq)), line);
145 iseq_name =
"<dummy_frame>";
149 else if (me != NULL && IMEMO_TYPE_P(me, imemo_ment)) {
150 iseq_name = rb_id2name(me->def->original_id);
151 snprintf(posbuf, MAX_POSBUF,
":%s", iseq_name);
155 kprintf(
"c:%04"PRIdPTRDIFF
" ",
161 kprintf(
"p:%04"PRIdPTRDIFF
" ", pc);
163 kprintf(
"s:%04"PRIdPTRDIFF
" ", cfp->sp - ec->vm_stack);
164 kprintf(ep_in_heap ==
' ' ?
"e:%06"PRIdPTRDIFF
" " :
"E:%06"PRIxPTRDIFF
" ", ep % 10000);
165 kprintf(
"l:%s ", VM_ENV_LOCAL_P(cfp->ep) ?
"y" :
"n");
167 kprintf(
"n:%04ld ", ns->ns_id % 10000);
172 kprintf(
"%-6s", magic);
174 kprintf(
" %s", posbuf);
176 if (VM_FRAME_FINISHED_P_UNCHECKED(cfp)) {
177 kprintf(
" [FINISH]");
181 kprintf(
"iseq: %-24s ", iseq_name);
182 kprintf(
"self: %-24s ", selfstr);
183 kprintf(
"%-1s ", biseq_name);
192 if (IMEMO_TYPE_P(me, imemo_ment)) {
194 kprintf(
" called_id: %s, type: %s\n", rb_id2name(me->called_id), rb_method_type_name(me->def->type));
195 kprintf(
" owner class: %s\n", rb_raw_obj_info(buff, 0x100, me->owner));
196 if (me->owner != me->defined_class) {
197 kprintf(
" defined_class: %s\n", rb_raw_obj_info(buff, 0x100, me->defined_class));
201 kprintf(
" me is corrupted (%s)\n", rb_raw_obj_info(buff, 0x100, (
VALUE)me));
205 kprintf(
" self: %s\n", rb_raw_obj_info(buff, 0x100, cfp->self));
208 if (ISEQ_BODY(iseq)->local_table_size > 0) {
209 kprintf(
" lvars:\n");
210 for (
unsigned int i=0; i<ISEQ_BODY(iseq)->local_table_size; i++) {
211 const VALUE *argv = cfp->ep - ISEQ_BODY(cfp->iseq)->local_table_size - VM_ENV_DATA_SIZE + 1;
213 rb_id2name(ISEQ_BODY(iseq)->local_table[i]),
214 rb_raw_obj_info(buff, 0x100, argv[i]));
233 while (cfp < eocfp) {
237 cfp = RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp);
245vmdebug_env_method_entry_unchecked(
VALUE obj,
int can_be_svar)
247 if (obj ==
Qfalse)
return NULL;
249 switch (imemo_type(obj)) {
256 return vmdebug_env_method_entry_unchecked(((
struct vm_svar *)obj)->cref_or_me, FALSE);
264vmdebug_frame_method_entry_unchecked(
const VALUE *ep)
268 while (!VM_ENV_LOCAL_P_UNCHECKED(ep)) {
269 if ((me = vmdebug_env_method_entry_unchecked(ep[VM_ENV_DATA_INDEX_ME_CREF], FALSE)) != NULL)
return me;
270 ep = VM_ENV_PREV_EP_UNCHECKED(ep);
273 return vmdebug_env_method_entry_unchecked(ep[VM_ENV_DATA_INDEX_ME_CREF], TRUE);
280 ptrdiff_t ep = env - ec->vm_stack;
281 char ep_in_heap =
' ';
282 char posbuf[MAX_POSBUF+1];
284 const char *magic, *iseq_name =
"-";
291 if (ep < 0 || (
size_t)ep > ec->vm_stack_size) {
293 ep = (ptrdiff_t)cfp->ep;
298 switch (VM_ENV_FLAGS_UNCHECKED(env, VM_FRAME_MAGIC_MASK)) {
299 case VM_FRAME_MAGIC_TOP:
301 ns = VM_ENV_NAMESPACE_UNCHECKED(env);
303 case VM_FRAME_MAGIC_METHOD:
309 case VM_FRAME_MAGIC_CLASS:
311 ns = VM_ENV_NAMESPACE_UNCHECKED(env);
313 case VM_FRAME_MAGIC_BLOCK:
316 case VM_FRAME_MAGIC_CFUNC:
322 case VM_FRAME_MAGIC_IFUNC:
325 case VM_FRAME_MAGIC_EVAL:
328 case VM_FRAME_MAGIC_RESCUE:
331 case VM_FRAME_MAGIC_DUMMY:
342 if (cfp && cfp->iseq != 0) {
343#define RUBY_VM_IFUNC_P(ptr) IMEMO_TYPE_P(ptr, imemo_ifunc)
344 if (RUBY_VM_IFUNC_P(cfp->iseq)) {
345 iseq_name =
"<ifunc>";
349 iseq_name = RSTRING_PTR(tmp);
350 snprintf(posbuf, MAX_POSBUF,
":%s", iseq_name);
356 pc = cfp->pc - ISEQ_BODY(iseq)->iseq_encoded;
357 iseq_name = RSTRING_PTR(ISEQ_BODY(iseq)->location.label);
358 if (pc >= 0 && pc <= ISEQ_BODY(iseq)->iseq_size) {
359 line = rb_vm_get_sourceline(cfp);
362 snprintf(posbuf, MAX_POSBUF,
"%s:%d", RSTRING_PTR(rb_iseq_path(iseq)), line);
366 iseq_name =
"<dummy_frame>";
370 else if (me != NULL && IMEMO_TYPE_P(me, imemo_ment)) {
371 iseq_name = rb_id2name(me->def->original_id);
372 snprintf(posbuf, MAX_POSBUF,
":%s", iseq_name);
377 kprintf(
"c:%04"PRIdPTRDIFF
" ",
383 kprintf(ep_in_heap ==
' ' ?
"e:%06"PRIdPTRDIFF
" " :
"E:%06"PRIxPTRDIFF
" ", ep % 10000);
384 kprintf(
"l:%s ", VM_ENV_LOCAL_P(env) ?
"y" :
"n");
386 kprintf(
"n:%04ld ", ns->ns_id % 10000);
391 kprintf(
"%-6s", magic);
393 kprintf(
" %s", posbuf);
395 if (VM_ENV_FLAGS_UNCHECKED(env, VM_FRAME_FLAG_FINISH) != 0) {
396 kprintf(
" [FINISH]");
408 kprintf(
"c:---- e:000000 l:- n:---- (none)\n");
412 return namespace_env_dump(ec, env, checkpoint_cfp, errout);
422 const VALUE *ep = current_cfp->ep;
426 kprintf(
"-- Namespace detection information "
427 "-----------------------------------------\n");
429 namespace_env_dump_unchecked(ec, ep, checkpoint_cfp, errout);
431 while (!VM_ENV_LOCAL_P(ep) || VM_ENV_FRAME_TYPE_P(ep, VM_FRAME_MAGIC_CFUNC)) {
432 while (!VM_ENV_LOCAL_P(ep)) {
433 ep = VM_ENV_PREV_EP(ep);
434 namespace_env_dump_unchecked(ec, ep, checkpoint_cfp, errout);
436 while (VM_ENV_FLAGS(ep, VM_FRAME_FLAG_CFRAME) != 0) {
438 cfp = vmdebug_search_cf_from_ep(ec, checkpoint_cfp, ep);
443 cfp = RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp);
445 kprintf(
"[PREVIOUS CONTROL FRAME IS OUT OF BOUND]\n");
449 namespace_env_dump_unchecked(ec, ep, checkpoint_cfp, errout);
454 checkpoint_cfp = cfp;
470 const VALUE *ep = cfp->ep;
473 kprintf(
"-- stack frame ------------\n");
474 for (p = st = ec->vm_stack; p < sp; p++) {
475 kprintf(
"%04ld (%p): %08"PRIxVALUE, (
long)(p - st), p, *p);
478 if (ec->vm_stack <= t && t < sp) {
479 kprintf(
" (= %ld)", (
long)((
VALUE *)GC_GUARDED_PTR_REF((
VALUE)t) - ec->vm_stack));
489 kprintf(
"-- Control frame information "
490 "-----------------------------------------------\n");
491 while ((
void *)cfp < (
void *)(ec->vm_stack + ec->vm_stack_size)) {
492 control_frame_dump(ec, cfp, errout);
503rb_vmdebug_stack_dump_raw_current(
void)
506 return rb_vmdebug_stack_dump_raw(ec, ec->cfp, stderr);
513 kprintf(
"-- env --------------------\n");
517 for (i = 0; i < env->env_size; i++) {
518 kprintf(
"%04d: %08"PRIxVALUE
" (%p)", i, env->env[i], (
void *)&env->env[i]);
519 if (&env->env[i] == ep) kprintf(
" <- ep");
523 env = rb_vm_env_prev_env(env);
525 kprintf(
"---------------------------\n");
540 kprintf(
"-- proc -------------------\n");
541 kprintf(
"self: %s\n", selfstr);
542 env = VM_ENV_ENVVAL_PTR(vm_block_ep(&proc->block));
543 rb_vmdebug_env_dump_raw(env, vm_block_ep(&proc->block), errout);
551rb_vmdebug_stack_dump_th(
VALUE thval,
FILE *errout)
554 return rb_vmdebug_stack_dump_raw(target_th->ec, target_th->ec->cfp, errout);
564 const VALUE *bp = prev_cfp->sp + ISEQ_BODY(cfp->iseq)->local_table_size + VM_ENV_DATA_SIZE;
566 if (ISEQ_BODY(cfp->iseq)->type == ISEQ_TYPE_METHOD || VM_FRAME_BMETHOD_P(cfp)) {
575 int i, argc = 0, local_table_size = 0;
578 const VALUE *ep = cfp->ep;
580 if (VM_FRAME_RUBYFRAME_P(cfp)) {
582 argc = ISEQ_BODY(iseq)->param.lead_num;
583 local_table_size = ISEQ_BODY(iseq)->local_table_size;
588 if (VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_METHOD||
589 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_TOP ||
590 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_BLOCK ||
591 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_CLASS ||
592 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_CFUNC ||
593 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_IFUNC ||
594 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_EVAL ||
595 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_RESCUE)
597 const VALUE *ptr = ep - local_table_size;
599 control_frame_dump(ec, cfp, errout);
601 for (i = 0; i < argc; i++) {
606 for (; i < local_table_size - 1; i++) {
612 ptr = vm_base_ptr(cfp);
613 for (; ptr < sp; ptr++, i++) {
614 switch (
TYPE(*ptr)) {
625 kprintf(
" stack %2d: %8s (%"PRIdPTRDIFF
")\n", i,
StringValueCStr(rstr),
626 (ptr - ec->vm_stack));
629 else if (VM_FRAME_FINISHED_P(cfp)) {
630 if (ec->vm_stack + ec->vm_stack_size > (
VALUE *)(cfp + 1)) {
631 vm_stack_dump_each(ec, cfp + 1, errout);
638 rb_bug(
"unsupported frame type: %08lx", VM_FRAME_TYPE(cfp));
648 ptrdiff_t ep = cfp->ep - ec->vm_stack;
651 if (VM_FRAME_RUBYFRAME_P(cfp)) {
652 pc = cfp->pc - ISEQ_BODY(cfp->iseq)->iseq_encoded;
655 if (ep < 0 || (
size_t)ep > ec->vm_stack_size) {
660 kprintf(
" [PC] %04"PRIdPTRDIFF
", [SP] %04"PRIdPTRDIFF
", [EP] %04"PRIdPTRDIFF
", [CFP] %04"PRIdPTRDIFF
"\n",
661 pc, (cfp->sp - ec->vm_stack), ep, cfpi);
669rb_vmdebug_thread_dump_regs(
VALUE thval,
FILE *errout)
671 return rb_vmdebug_debug_print_register(rb_thread_ptr(thval)->ec, errout);
680 ptrdiff_t pc = _pc - ISEQ_BODY(iseq)->iseq_encoded;
683 for (i=0; i<(int)VM_CFP_CNT(ec, cfp); i++) {
687 if(0) kprintf(
"[%03ld] ", (
long)(cfp->sp - ec->vm_stack));
691 const VALUE *iseq_original = rb_iseq_original_iseq((
rb_iseq_t *)iseq);
693 rb_iseq_disasm_insn(0, iseq_original, (
size_t)pc, iseq, 0);
699 rb_vmdebug_debug_print_register(errout, ec);
711 if (!rb_vmdebug_stack_dump_raw(ec, cfp, errout))
goto errout;
716 rb_vmdebug_debug_print_register(errout, ec);
722 vm_stack_dump_each(ec, ec->cfp, errout);
725 (
"--------------------------------------------------------------\n");
736rb_vmdebug_thread_dump_state(
FILE *errout,
VALUE self)
741 kprintf(
"Thread state dump:\n");
742 kprintf(
"pc : %p, sp : %p\n", (
void *)cfp->pc, (
void *)cfp->sp);
743 kprintf(
"cfp: %p, ep : %p\n", (
void *)cfp, (
void *)cfp->ep);
750# include <AvailabilityMacros.h>
751# if defined(MAC_OS_X_VERSION_10_5) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
752# define MCTX_SS_REG(reg) __ss.__##reg
754# define MCTX_SS_REG(reg) ss.reg
758#if defined(HAVE_BACKTRACE)
759# define USE_BACKTRACE 1
760# ifdef HAVE_LIBUNWIND
762# define backtrace unw_backtrace
763# elif defined(__APPLE__) && defined(HAVE_LIBUNWIND_H) \
764 && defined(MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
765# define UNW_LOCAL_ONLY
766# include <libunwind.h>
767# include <sys/mman.h>
770# if defined(__arm64__)
772is_coroutine_start(unw_word_t ip)
774#if defined(USE_MN_THREADS) && USE_MN_THREADS
777 return ((
void *)(ip) == (
void *)ruby_coroutine_start);
785backtrace(
void **trace,
int size)
787 unw_cursor_t cursor; unw_context_t uc;
792 unw_init_local(&cursor, &uc);
793# if defined(__x86_64__)
794 while (unw_step(&cursor) > 0) {
795 unw_get_reg(&cursor, UNW_REG_IP, &ip);
796 trace[n++] = (
void *)ip;
799 unw_get_proc_name(&cursor, buf, 256, &ip);
800 if (strncmp(
"_sigtramp", buf,
sizeof(
"_sigtramp")) == 0) {
801 goto darwin_sigtramp;
816 unw_get_reg(&cursor, UNW_X86_64_RBX, &ip);
817 uctx = (ucontext_t *)ip;
818 unw_set_reg(&cursor, UNW_X86_64_RAX, uctx->uc_mcontext->MCTX_SS_REG(rax));
819 unw_set_reg(&cursor, UNW_X86_64_RBX, uctx->uc_mcontext->MCTX_SS_REG(rbx));
820 unw_set_reg(&cursor, UNW_X86_64_RCX, uctx->uc_mcontext->MCTX_SS_REG(rcx));
821 unw_set_reg(&cursor, UNW_X86_64_RDX, uctx->uc_mcontext->MCTX_SS_REG(rdx));
822 unw_set_reg(&cursor, UNW_X86_64_RDI, uctx->uc_mcontext->MCTX_SS_REG(rdi));
823 unw_set_reg(&cursor, UNW_X86_64_RSI, uctx->uc_mcontext->MCTX_SS_REG(rsi));
824 unw_set_reg(&cursor, UNW_X86_64_RBP, uctx->uc_mcontext->MCTX_SS_REG(rbp));
825 unw_set_reg(&cursor, UNW_X86_64_RSP, 8+(uctx->uc_mcontext->MCTX_SS_REG(rsp)));
826 unw_set_reg(&cursor, UNW_X86_64_R8, uctx->uc_mcontext->MCTX_SS_REG(r8));
827 unw_set_reg(&cursor, UNW_X86_64_R9, uctx->uc_mcontext->MCTX_SS_REG(r9));
828 unw_set_reg(&cursor, UNW_X86_64_R10, uctx->uc_mcontext->MCTX_SS_REG(r10));
829 unw_set_reg(&cursor, UNW_X86_64_R11, uctx->uc_mcontext->MCTX_SS_REG(r11));
830 unw_set_reg(&cursor, UNW_X86_64_R12, uctx->uc_mcontext->MCTX_SS_REG(r12));
831 unw_set_reg(&cursor, UNW_X86_64_R13, uctx->uc_mcontext->MCTX_SS_REG(r13));
832 unw_set_reg(&cursor, UNW_X86_64_R14, uctx->uc_mcontext->MCTX_SS_REG(r14));
833 unw_set_reg(&cursor, UNW_X86_64_R15, uctx->uc_mcontext->MCTX_SS_REG(r15));
834 ip = uctx->uc_mcontext->MCTX_SS_REG(rip);
862 r = mincore((
const void *)ip, 1, vec);
863 if (r || vec[0] <= 0 || memcmp((
const char *)ip-2,
"\x0f\x05", 2) == 0) {
866 trace[n++] = (
void *)ip;
867 ip = *(unw_word_t*)uctx->uc_mcontext->MCTX_SS_REG(rsp);
870 trace[n++] = (
void *)ip;
871 unw_set_reg(&cursor, UNW_REG_IP, ip);
873 while (unw_step(&cursor) > 0) {
874 unw_get_reg(&cursor, UNW_REG_IP, &ip);
875 trace[n++] = (
void *)ip;
879# elif defined(__arm64__)
884 while (unw_step(&cursor) > 0) {
885 unw_get_reg(&cursor, UNW_REG_IP, &ip);
890 trace[n++] = (
void *)(ip & 0x7fffffffffffull);
893 if (is_coroutine_start(ip))
break;
897# error unsupported architecture
900# elif defined(BROKEN_BACKTRACE)
902# define USE_BACKTRACE 0
905# define USE_BACKTRACE 0
909# include <execinfo.h>
911# include <imagehlp.h>
913# define SYMOPT_DEBUG 0x80000000
916# define MAX_SYM_NAME 2000
924 DWORD ThCallbackStack;
925 DWORD ThCallbackBStore;
928 DWORD64 KiCallUserMode;
929 DWORD64 KeUserCallbackDispatcher;
930 DWORD64 SystemRangeStart;
931 DWORD64 KiUserExceptionDispatcher;
938 ADDRESS64 AddrReturn;
941 ADDRESS64 AddrBStore;
942 void *FuncTableEntry;
973typedef void *PREAD_PROCESS_MEMORY_ROUTINE64;
974typedef void *PFUNCTION_TABLE_ACCESS_ROUTINE64;
975typedef void *PGET_MODULE_BASE_ROUTINE64;
976typedef void *PTRANSLATE_ADDRESS_ROUTINE64;
979struct dump_thead_arg {
985dump_thread(
void *arg)
988 BOOL (WINAPI *pSymInitialize)(HANDLE,
const char *, BOOL);
989 BOOL (WINAPI *pSymCleanup)(HANDLE);
990 BOOL (WINAPI *pStackWalk64)(DWORD, HANDLE, HANDLE, STACKFRAME64 *,
void *, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
991 DWORD64 (WINAPI *pSymGetModuleBase64)(HANDLE, DWORD64);
992 BOOL (WINAPI *pSymFromAddr)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *);
993 BOOL (WINAPI *pSymGetLineFromAddr64)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *);
994 HANDLE (WINAPI *pOpenThread)(DWORD, BOOL, DWORD);
995 DWORD tid = ((
struct dump_thead_arg *)arg)->tid;
996 FILE *errout = ((
struct dump_thead_arg *)arg)->errout;
1000 dbghelp = LoadLibrary(
"dbghelp.dll");
1001 if (!dbghelp)
return;
1002 pSymInitialize = (BOOL (WINAPI *)(HANDLE,
const char *, BOOL))GetProcAddress(dbghelp,
"SymInitialize");
1003 pSymCleanup = (BOOL (WINAPI *)(HANDLE))GetProcAddress(dbghelp,
"SymCleanup");
1004 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");
1005 pSymGetModuleBase64 = (DWORD64 (WINAPI *)(HANDLE, DWORD64))GetProcAddress(dbghelp,
"SymGetModuleBase64");
1006 pSymFromAddr = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *))GetProcAddress(dbghelp,
"SymFromAddr");
1007 pSymGetLineFromAddr64 = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *))GetProcAddress(dbghelp,
"SymGetLineFromAddr64");
1008 pOpenThread = (HANDLE (WINAPI *)(DWORD, BOOL, DWORD))GetProcAddress(GetModuleHandle(
"kernel32.dll"),
"OpenThread");
1009 if (pSymInitialize && pSymCleanup && pStackWalk64 && pSymGetModuleBase64 &&
1010 pSymFromAddr && pSymGetLineFromAddr64 && pOpenThread) {
1011 SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS | SYMOPT_DEBUG | SYMOPT_LOAD_LINES);
1012 ph = GetCurrentProcess();
1013 pSymInitialize(ph, NULL, TRUE);
1014 th = pOpenThread(THREAD_SUSPEND_RESUME|THREAD_GET_CONTEXT, FALSE, tid);
1016 if (SuspendThread(th) != (DWORD)-1) {
1018 memset(&context, 0,
sizeof(context));
1019 context.ContextFlags = CONTEXT_FULL;
1020 if (GetThreadContext(th, &context)) {
1021 char libpath[MAX_PATH];
1022 char buf[
sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
1023 SYMBOL_INFO *info = (SYMBOL_INFO *)buf;
1026 memset(&frame, 0,
sizeof(frame));
1027#if defined(_M_AMD64) || defined(__x86_64__)
1028 mac = IMAGE_FILE_MACHINE_AMD64;
1029 frame.AddrPC.Mode = AddrModeFlat;
1030 frame.AddrPC.Offset = context.Rip;
1031 frame.AddrFrame.Mode = AddrModeFlat;
1032 frame.AddrFrame.Offset = context.Rbp;
1033 frame.AddrStack.Mode = AddrModeFlat;
1034 frame.AddrStack.Offset = context.Rsp;
1035#elif defined(_M_ARM64) || defined(__aarch64__)
1036 mac = IMAGE_FILE_MACHINE_ARM64;
1037 frame.AddrPC.Mode = AddrModeFlat;
1038 frame.AddrPC.Offset = context.Pc;
1039 frame.AddrFrame.Mode = AddrModeFlat;
1040 frame.AddrFrame.Offset = context.Fp;
1041 frame.AddrStack.Mode = AddrModeFlat;
1042 frame.AddrStack.Offset = context.Sp;
1044 mac = IMAGE_FILE_MACHINE_I386;
1045 frame.AddrPC.Mode = AddrModeFlat;
1046 frame.AddrPC.Offset = context.Eip;
1047 frame.AddrFrame.Mode = AddrModeFlat;
1048 frame.AddrFrame.Offset = context.Ebp;
1049 frame.AddrStack.Mode = AddrModeFlat;
1050 frame.AddrStack.Offset = context.Esp;
1053 while (pStackWalk64(mac, ph, th, &frame, &context, NULL,
1054 NULL, NULL, NULL)) {
1055 DWORD64 addr = frame.AddrPC.Offset;
1056 IMAGEHLP_LINE64 line;
1057 DWORD64 displacement;
1060 if (addr == frame.AddrReturn.Offset || addr == 0 ||
1061 frame.AddrReturn.Offset == 0)
1064 memset(buf, 0,
sizeof(buf));
1065 info->SizeOfStruct =
sizeof(SYMBOL_INFO);
1066 info->MaxNameLen = MAX_SYM_NAME;
1067 if (pSymFromAddr(ph, addr, &displacement, info)) {
1068 if (GetModuleFileName((HANDLE)(uintptr_t)pSymGetModuleBase64(ph, addr), libpath,
sizeof(libpath)))
1069 kprintf(
"%s", libpath);
1070 kprintf(
"(%s+0x%"PRI_64_PREFIX
"x)",
1071 info->Name, displacement);
1073 kprintf(
" [0x%p]", (
void *)(
VALUE)addr);
1074 memset(&line, 0,
sizeof(line));
1075 line.SizeOfStruct =
sizeof(line);
1076 if (pSymGetLineFromAddr64(ph, addr, &tmp, &line))
1077 kprintf(
" %s:%lu", line.FileName, line.LineNumber);
1089 FreeLibrary(dbghelp);
1094rb_print_backtrace(
FILE *errout)
1097#define MAX_NATIVE_TRACE 1024
1098 static void *trace[MAX_NATIVE_TRACE];
1099 int n = (int)backtrace(trace, MAX_NATIVE_TRACE);
1100#if (defined(USE_ELF) || defined(HAVE_MACH_O_LOADER_H)) && defined(HAVE_DLADDR) && !defined(__sparc)
1101 rb_dump_backtrace_with_lines(n, trace, errout);
1103 char **syms = backtrace_symbols(trace, n);
1106 for (i=0; i<n; i++) {
1107 kprintf(
"%s\n", syms[i]);
1114#elif defined(_WIN32)
1115 struct dump_thead_arg arg = {
1116 .tid = GetCurrentThreadId(),
1119 HANDLE th = (HANDLE)_beginthread(dump_thread, 0, &arg);
1120 if (th != (HANDLE)-1)
1121 WaitForSingleObject(th, INFINITE);
1125#ifdef HAVE_LIBPROCSTAT
1128static void procstat_vm(
struct procstat *,
struct kinfo_proc *,
FILE *);
1129#include "missing/procstat_vm.c"
1132#if defined __linux__
1133# if defined(__x86_64__) || defined(__i386__)
1134# define dump_machine_register(reg) (col_count = print_machine_register(errout, mctx->gregs[REG_##reg], #reg, col_count, 80))
1135# elif defined(__aarch64__) || defined(__arm__) || defined(__riscv) || defined(__loongarch64)
1136# define dump_machine_register(reg, regstr) (col_count = print_machine_register(errout, reg, regstr, col_count, 80))
1138#elif defined __APPLE__
1139# if defined(__aarch64__)
1140# define dump_machine_register(reg, regstr) (col_count = print_machine_register(errout, mctx->MCTX_SS_REG(reg), regstr, col_count, 80))
1142# define dump_machine_register(reg) (col_count = print_machine_register(errout, mctx->MCTX_SS_REG(reg), #reg, col_count, 80))
1146#ifdef dump_machine_register
1148print_machine_register(
FILE *errout,
size_t reg,
const char *reg_name,
int col_count,
int max_col)
1152 static const int size_width =
sizeof(size_t) * CHAR_BIT / 4;
1154 ret = snprintf(buf,
sizeof(buf),
" %3.3s: 0x%.*" PRIxSIZE, reg_name, size_width, reg);
1155 if (col_count + ret > max_col) {
1168rb_dump_machine_register(
FILE *errout,
const ucontext_t *ctx)
1171 if (!ctx)
return true;
1173 kprintf(
"-- Machine register context "
1174 "------------------------------------------------\n");
1176# if defined __linux__
1178 const mcontext_t *
const mctx = &ctx->uc_mcontext;
1179# if defined __x86_64__
1180 dump_machine_register(RIP);
1181 dump_machine_register(RBP);
1182 dump_machine_register(RSP);
1183 dump_machine_register(RAX);
1184 dump_machine_register(RBX);
1185 dump_machine_register(RCX);
1186 dump_machine_register(RDX);
1187 dump_machine_register(RDI);
1188 dump_machine_register(RSI);
1189 dump_machine_register(R8);
1190 dump_machine_register(R9);
1191 dump_machine_register(R10);
1192 dump_machine_register(R11);
1193 dump_machine_register(R12);
1194 dump_machine_register(R13);
1195 dump_machine_register(R14);
1196 dump_machine_register(R15);
1197 dump_machine_register(EFL);
1198# elif defined __i386__
1199 dump_machine_register(GS);
1200 dump_machine_register(FS);
1201 dump_machine_register(ES);
1202 dump_machine_register(DS);
1203 dump_machine_register(EDI);
1204 dump_machine_register(ESI);
1205 dump_machine_register(EBP);
1206 dump_machine_register(ESP);
1207 dump_machine_register(EBX);
1208 dump_machine_register(EDX);
1209 dump_machine_register(ECX);
1210 dump_machine_register(EAX);
1211 dump_machine_register(TRAPNO);
1212 dump_machine_register(ERR);
1213 dump_machine_register(EIP);
1214 dump_machine_register(CS);
1215 dump_machine_register(EFL);
1216 dump_machine_register(UESP);
1217 dump_machine_register(SS);
1218# elif defined __aarch64__
1219 dump_machine_register(mctx->regs[0],
"x0");
1220 dump_machine_register(mctx->regs[1],
"x1");
1221 dump_machine_register(mctx->regs[2],
"x2");
1222 dump_machine_register(mctx->regs[3],
"x3");
1223 dump_machine_register(mctx->regs[4],
"x4");
1224 dump_machine_register(mctx->regs[5],
"x5");
1225 dump_machine_register(mctx->regs[6],
"x6");
1226 dump_machine_register(mctx->regs[7],
"x7");
1227 dump_machine_register(mctx->regs[18],
"x18");
1228 dump_machine_register(mctx->regs[19],
"x19");
1229 dump_machine_register(mctx->regs[20],
"x20");
1230 dump_machine_register(mctx->regs[21],
"x21");
1231 dump_machine_register(mctx->regs[22],
"x22");
1232 dump_machine_register(mctx->regs[23],
"x23");
1233 dump_machine_register(mctx->regs[24],
"x24");
1234 dump_machine_register(mctx->regs[25],
"x25");
1235 dump_machine_register(mctx->regs[26],
"x26");
1236 dump_machine_register(mctx->regs[27],
"x27");
1237 dump_machine_register(mctx->regs[28],
"x28");
1238 dump_machine_register(mctx->regs[29],
"x29");
1239 dump_machine_register(mctx->sp,
"sp");
1240 dump_machine_register(mctx->fault_address,
"fault_address");
1241# elif defined __arm__
1242 dump_machine_register(mctx->arm_r0,
"r0");
1243 dump_machine_register(mctx->arm_r1,
"r1");
1244 dump_machine_register(mctx->arm_r2,
"r2");
1245 dump_machine_register(mctx->arm_r3,
"r3");
1246 dump_machine_register(mctx->arm_r4,
"r4");
1247 dump_machine_register(mctx->arm_r5,
"r5");
1248 dump_machine_register(mctx->arm_r6,
"r6");
1249 dump_machine_register(mctx->arm_r7,
"r7");
1250 dump_machine_register(mctx->arm_r8,
"r8");
1251 dump_machine_register(mctx->arm_r9,
"r9");
1252 dump_machine_register(mctx->arm_r10,
"r10");
1253 dump_machine_register(mctx->arm_sp,
"sp");
1254 dump_machine_register(mctx->fault_address,
"fault_address");
1255# elif defined __riscv
1256 dump_machine_register(mctx->__gregs[REG_SP],
"sp");
1257 dump_machine_register(mctx->__gregs[REG_S0],
"s0");
1258 dump_machine_register(mctx->__gregs[REG_S1],
"s1");
1259 dump_machine_register(mctx->__gregs[REG_A0],
"a0");
1260 dump_machine_register(mctx->__gregs[REG_A0+1],
"a1");
1261 dump_machine_register(mctx->__gregs[REG_A0+2],
"a2");
1262 dump_machine_register(mctx->__gregs[REG_A0+3],
"a3");
1263 dump_machine_register(mctx->__gregs[REG_A0+4],
"a4");
1264 dump_machine_register(mctx->__gregs[REG_A0+5],
"a5");
1265 dump_machine_register(mctx->__gregs[REG_A0+6],
"a6");
1266 dump_machine_register(mctx->__gregs[REG_A0+7],
"a7");
1267 dump_machine_register(mctx->__gregs[REG_S2],
"s2");
1268 dump_machine_register(mctx->__gregs[REG_S2+1],
"s3");
1269 dump_machine_register(mctx->__gregs[REG_S2+2],
"s4");
1270 dump_machine_register(mctx->__gregs[REG_S2+3],
"s5");
1271 dump_machine_register(mctx->__gregs[REG_S2+4],
"s6");
1272 dump_machine_register(mctx->__gregs[REG_S2+5],
"s7");
1273 dump_machine_register(mctx->__gregs[REG_S2+6],
"s8");
1274 dump_machine_register(mctx->__gregs[REG_S2+7],
"s9");
1275 dump_machine_register(mctx->__gregs[REG_S2+8],
"s10");
1276 dump_machine_register(mctx->__gregs[REG_S2+9],
"s11");
1277# elif defined __loongarch64
1278 dump_machine_register(mctx->__gregs[LARCH_REG_SP],
"sp");
1279 dump_machine_register(mctx->__gregs[LARCH_REG_A0],
"a0");
1280 dump_machine_register(mctx->__gregs[LARCH_REG_A0+1],
"a1");
1281 dump_machine_register(mctx->__gregs[LARCH_REG_A0+2],
"a2");
1282 dump_machine_register(mctx->__gregs[LARCH_REG_A0+3],
"a3");
1283 dump_machine_register(mctx->__gregs[LARCH_REG_A0+4],
"a4");
1284 dump_machine_register(mctx->__gregs[LARCH_REG_A0+5],
"a5");
1285 dump_machine_register(mctx->__gregs[LARCH_REG_A0+6],
"a6");
1286 dump_machine_register(mctx->__gregs[LARCH_REG_A0+7],
"a7");
1287 dump_machine_register(mctx->__gregs[LARCH_REG_A0+8],
"fp");
1288 dump_machine_register(mctx->__gregs[LARCH_REG_S0],
"s0");
1289 dump_machine_register(mctx->__gregs[LARCH_REG_S1],
"s1");
1290 dump_machine_register(mctx->__gregs[LARCH_REG_S2],
"s2");
1291 dump_machine_register(mctx->__gregs[LARCH_REG_S0+3],
"s3");
1292 dump_machine_register(mctx->__gregs[LARCH_REG_S0+4],
"s4");
1293 dump_machine_register(mctx->__gregs[LARCH_REG_S0+5],
"s5");
1294 dump_machine_register(mctx->__gregs[LARCH_REG_S0+6],
"s6");
1295 dump_machine_register(mctx->__gregs[LARCH_REG_S0+7],
"s7");
1296 dump_machine_register(mctx->__gregs[LARCH_REG_S0+8],
"s8");
1299# elif defined __APPLE__
1301 const mcontext_t mctx = ctx->uc_mcontext;
1302# if defined __x86_64__
1303 dump_machine_register(rax);
1304 dump_machine_register(rbx);
1305 dump_machine_register(rcx);
1306 dump_machine_register(rdx);
1307 dump_machine_register(rdi);
1308 dump_machine_register(rsi);
1309 dump_machine_register(rbp);
1310 dump_machine_register(rsp);
1311 dump_machine_register(r8);
1312 dump_machine_register(r9);
1313 dump_machine_register(r10);
1314 dump_machine_register(r11);
1315 dump_machine_register(r12);
1316 dump_machine_register(r13);
1317 dump_machine_register(r14);
1318 dump_machine_register(r15);
1319 dump_machine_register(rip);
1320 dump_machine_register(rflags);
1321# elif defined __i386__
1322 dump_machine_register(eax);
1323 dump_machine_register(ebx);
1324 dump_machine_register(ecx);
1325 dump_machine_register(edx);
1326 dump_machine_register(edi);
1327 dump_machine_register(esi);
1328 dump_machine_register(ebp);
1329 dump_machine_register(esp);
1330 dump_machine_register(ss);
1331 dump_machine_register(eflags);
1332 dump_machine_register(eip);
1333 dump_machine_register(cs);
1334 dump_machine_register(ds);
1335 dump_machine_register(es);
1336 dump_machine_register(fs);
1337 dump_machine_register(gs);
1338# elif defined __aarch64__
1339 dump_machine_register(x[0],
"x0");
1340 dump_machine_register(x[1],
"x1");
1341 dump_machine_register(x[2],
"x2");
1342 dump_machine_register(x[3],
"x3");
1343 dump_machine_register(x[4],
"x4");
1344 dump_machine_register(x[5],
"x5");
1345 dump_machine_register(x[6],
"x6");
1346 dump_machine_register(x[7],
"x7");
1347 dump_machine_register(x[18],
"x18");
1348 dump_machine_register(x[19],
"x19");
1349 dump_machine_register(x[20],
"x20");
1350 dump_machine_register(x[21],
"x21");
1351 dump_machine_register(x[22],
"x22");
1352 dump_machine_register(x[23],
"x23");
1353 dump_machine_register(x[24],
"x24");
1354 dump_machine_register(x[25],
"x25");
1355 dump_machine_register(x[26],
"x26");
1356 dump_machine_register(x[27],
"x27");
1357 dump_machine_register(x[28],
"x28");
1358 dump_machine_register(lr,
"lr");
1359 dump_machine_register(fp,
"fp");
1360 dump_machine_register(sp,
"sp");
1371# define rb_dump_machine_register(errout, ctx) ((void)0)
1375rb_vm_bugreport(
const void *ctx,
FILE *errout)
1377 const char *ns_env = getenv(
"RUBY_BUGREPORT_NAMESPACE_ENV");
1378 const char *cmd = getenv(
"RUBY_ON_BUG");
1382 int r = system(buf);
1384 snprintf(buf,
sizeof(buf),
"Launching RUBY_ON_BUG command failed.");
1391 static bool crashing =
false;
1393 kprintf(
"Crashed while printing bug report\n");
1400# define PROC_MAPS_NAME "/proc/self/maps"
1402#ifdef PROC_MAPS_NAME
1403 enum {other_runtime_info = 1};
1405 enum {other_runtime_info = 0};
1407 const rb_vm_t *
const vm = GET_VM();
1408 const rb_namespace_t *current_ns = rb_current_namespace_in_crash_report();
1410 VALUE loaded_features;
1413 loaded_features = current_ns->loaded_features;
1416 loaded_features = rb_root_namespace()->loaded_features;
1420 rb_vmdebug_stack_dump_raw(ec, ec->cfp, errout);
1422 rb_vmdebug_namespace_env_dump_raw(ec, ec->cfp, errout);
1424 rb_backtrace_print_as_bugreport(errout);
1429 kprintf(
"-- Threading information "
1430 "---------------------------------------------------\n");
1431 kprintf(
"Total ractor count: %u\n", vm->ractor.cnt);
1432 kprintf(
"Ruby thread count for this ractor: %u\n", rb_ec_ractor_ptr(ec)->threads.cnt);
1434 kprintf(
"Note that the Fiber scheduler is enabled\n");
1439 rb_dump_machine_register(errout, ctx);
1441#if USE_BACKTRACE || defined(_WIN32)
1442 kprintf(
"-- C level backtrace information "
1443 "-------------------------------------------\n");
1444 rb_print_backtrace(errout);
1450 if (other_runtime_info || vm) {
1451 kprintf(
"-- Other runtime information "
1452 "-----------------------------------------------\n\n");
1454 if (vm && !rb_during_gc()) {
1458 const int max_name_length = 1024;
1459# define LIMITED_NAME_LENGTH(s) \
1460 (((len = RSTRING_LEN(s)) > max_name_length) ? max_name_length : (int)len)
1462 name = vm->progname;
1464 kprintf(
"* Loaded script: %.*s\n",
1465 LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
1468 if (rb_namespace_available()) {
1469 kprintf(
"* Namespace: enabled\n");
1471 kprintf(
"* Current namespace id: %ld, type: %s\n",
1473 NAMESPACE_USER_P(current_ns) ? (NAMESPACE_MAIN_P(current_ns) ?
"main" :
"user") :
"root");
1476 kprintf(
"* Current namespace: NULL (crashed)\n");
1480 kprintf(
"* Namespace: disabled\n");
1482 if (loaded_features) {
1483 kprintf(
"* Loaded features:\n\n");
1484 for (i=0; i<
RARRAY_LEN(loaded_features); i++) {
1487 kprintf(
" %4d %.*s\n", i,
1488 LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
1495 kprintf(
" %4d %s:<unnamed>\n", i,
type);
1498 kprintf(
" %4d %s:%.*s\n", i,
type,
1499 LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
1504 kprintf(
" %4d #<%p:%p>\n", i,
1505 (
void *)
CLASS_OF(name), (
void *)name);
1508 kprintf(
" %4d #<%.*s:%p>\n", i,
1509 LIMITED_NAME_LENGTH(klass), RSTRING_PTR(klass),
1518#ifndef RUBY_ASAN_ENABLED
1519# ifdef PROC_MAPS_NAME
1521 FILE *fp = fopen(PROC_MAPS_NAME,
"r");
1523 kprintf(
"* Process memory map:\n\n");
1527 size_t rn = fread(buff, 1, 0x100, fp);
1528 if (fwrite(buff, 1, rn, errout) != rn)
1537# ifdef HAVE_LIBPROCSTAT
1538# define MIB_KERN_PROC_PID_LEN 4
1539 int mib[MIB_KERN_PROC_PID_LEN];
1540 struct kinfo_proc kp;
1541 size_t len =
sizeof(
struct kinfo_proc);
1544 mib[2] = KERN_PROC_PID;
1546 if (sysctl(mib, MIB_KERN_PROC_PID_LEN, &kp, &
len, NULL, 0) == -1) {
1547 kprintf(
"sysctl: %s\n", strerror(
errno));
1550 struct procstat *prstat = procstat_open_sysctl();
1551 kprintf(
"* Process memory map:\n\n");
1552 procstat_vm(prstat, &kp, errout);
1553 procstat_close(prstat);
1558 vm_address_t addr = 0;
1560 struct vm_region_submap_info map;
1561 mach_msg_type_number_t count = VM_REGION_SUBMAP_INFO_COUNT;
1562 natural_t depth = 0;
1564 kprintf(
"* Process memory map:\n\n");
1566 if (vm_region_recurse(mach_task_self(), &addr, &size, &depth,
1567 (vm_region_recurse_info_t)&map, &count) != KERN_SUCCESS) {
1571 if (map.is_submap) {
1576 kprintf(
"%lx-%lx %s%s%s", addr, (addr+size),
1577 ((map.protection & VM_PROT_READ) != 0 ?
"r" :
"-"),
1578 ((map.protection & VM_PROT_WRITE) != 0 ?
"w" :
"-"),
1579 ((map.protection & VM_PROT_EXECUTE) != 0 ?
"x" :
"-"));
1580# ifdef HAVE_LIBPROC_H
1581 char buff[PATH_MAX];
1582 if (proc_regionfilename(getpid(), addr, buff,
sizeof(buff)) > 0) {
1583 kprintf(
" %s", buff);
1602rb_vmdebug_stack_dump_all_threads(
void)
1606 FILE *errout = stderr;
1609 ccan_list_for_each(&r->threads.set, th, lt_node) {
1610#ifdef NON_SCALAR_THREAD_ID
1611 kprintf(
"th: %p, native_id: N/A\n", th);
1613 kprintf(
"th: %p, native_id: %p\n", (
void *)th, (
void *)(uintptr_t)th->nt->thread_id);
1615 if (!rb_vmdebug_stack_dump_raw(th->ec, th->ec->cfp, errout))
goto error;
#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 Qfalse
Old name of RUBY_Qfalse.
#define T_CLASS
Old name of RUBY_T_CLASS.
#define SYMBOL_P
Old name of RB_SYMBOL_P.
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 symbol)
Obtain a frozen string representation of a symbol (not including the leading colon).
int len
Length of the buffer.
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)
#define StringValueCStr(v)
Identical to StringValuePtr, except it additionally checks for the contents for viability as a C stri...
#define errno
Ractor-aware version of errno.
VALUE rb_fiber_scheduler_get(void)
Queries the current scheduler of the current thread that is calling this function.
Internal header for Namespace.
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.