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
33#include "internal/gc.h"
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);
49#define kprintf(...) if (fprintf(errout, __VA_ARGS__) < 0) goto error
50#define kputs(s) if (fputs(s, errout) < 0) goto error
56 ptrdiff_t ep = cfp->ep - ec->vm_stack;
57 char ep_in_heap =
' ';
58 char posbuf[MAX_POSBUF+1];
60 const char *magic, *iseq_name =
"-", *selfstr =
"-", *biseq_name =
"-";
65 if (ep < 0 || (
size_t)ep > ec->vm_stack_size) {
66 ep = (ptrdiff_t)cfp->ep;
70 switch (VM_FRAME_TYPE(cfp)) {
71 case VM_FRAME_MAGIC_TOP:
74 case VM_FRAME_MAGIC_METHOD:
77 case VM_FRAME_MAGIC_CLASS:
80 case VM_FRAME_MAGIC_BLOCK:
83 case VM_FRAME_MAGIC_CFUNC:
86 case VM_FRAME_MAGIC_IFUNC:
89 case VM_FRAME_MAGIC_EVAL:
92 case VM_FRAME_MAGIC_RESCUE:
95 case VM_FRAME_MAGIC_DUMMY:
114 if (cfp->iseq != 0) {
115#define RUBY_VM_IFUNC_P(ptr) IMEMO_TYPE_P(ptr, imemo_ifunc)
116 if (RUBY_VM_IFUNC_P(cfp->iseq)) {
117 iseq_name =
"<ifunc>";
121 iseq_name = RSTRING_PTR(tmp);
122 snprintf(posbuf, MAX_POSBUF,
":%s", iseq_name);
128 pc = cfp->pc - ISEQ_BODY(iseq)->iseq_encoded;
129 iseq_name = RSTRING_PTR(ISEQ_BODY(iseq)->location.label);
130 line = rb_vm_get_sourceline(cfp);
132 snprintf(posbuf, MAX_POSBUF,
"%s:%d", RSTRING_PTR(rb_iseq_path(iseq)), line);
136 iseq_name =
"<dummy_frame>";
140 else if (me != NULL) {
141 iseq_name = rb_id2name(me->def->original_id);
142 snprintf(posbuf, MAX_POSBUF,
":%s", iseq_name);
146 kprintf(
"c:%04"PRIdPTRDIFF
" ",
152 kprintf(
"p:%04"PRIdPTRDIFF
" ", pc);
154 kprintf(
"s:%04"PRIdPTRDIFF
" ", cfp->sp - ec->vm_stack);
155 kprintf(ep_in_heap ==
' ' ?
"e:%06"PRIdPTRDIFF
" " :
"E:%06"PRIxPTRDIFF
" ", ep % 10000);
156 kprintf(
"%-6s", magic);
158 kprintf(
" %s", posbuf);
160 if (VM_FRAME_FINISHED_P(cfp)) {
161 kprintf(
" [FINISH]");
165 kprintf(
"iseq: %-24s ", iseq_name);
166 kprintf(
"self: %-24s ", selfstr);
167 kprintf(
"%-1s ", biseq_name);
176 if (IMEMO_TYPE_P(me, imemo_ment)) {
178 kprintf(
" called_id: %s, type: %s\n", rb_id2name(me->called_id), rb_method_type_name(me->def->type));
179 kprintf(
" owner class: %s\n", rb_raw_obj_info(buff, 0x100, me->owner));
180 if (me->owner != me->defined_class) {
181 kprintf(
" defined_class: %s\n", rb_raw_obj_info(buff, 0x100, me->defined_class));
185 kprintf(
" me is corrupted (%s)\n", rb_raw_obj_info(buff, 0x100, (
VALUE)me));
189 kprintf(
" self: %s\n", rb_raw_obj_info(buff, 0x100, cfp->self));
192 if (ISEQ_BODY(iseq)->local_table_size > 0) {
193 kprintf(
" lvars:\n");
194 for (
unsigned int i=0; i<ISEQ_BODY(iseq)->local_table_size; i++) {
195 const VALUE *argv = cfp->ep - ISEQ_BODY(cfp->iseq)->local_table_size - VM_ENV_DATA_SIZE + 1;
197 rb_id2name(ISEQ_BODY(iseq)->local_table[i]),
198 rb_raw_obj_info(buff, 0x100, argv[i]));
213 const VALUE *ep = cfp->ep;
216 kprintf(
"-- stack frame ------------\n");
217 for (p = st = ec->vm_stack; p < sp; p++) {
218 kprintf(
"%04ld (%p): %08"PRIxVALUE, (
long)(p - st), p, *p);
221 if (ec->vm_stack <= t && t < sp) {
222 kprintf(
" (= %ld)", (
long)((
VALUE *)GC_GUARDED_PTR_REF((
VALUE)t) - ec->vm_stack));
232 kprintf(
"-- Control frame information "
233 "-----------------------------------------------\n");
234 while ((
void *)cfp < (
void *)(ec->vm_stack + ec->vm_stack_size)) {
235 control_frame_dump(ec, cfp, errout);
246rb_vmdebug_stack_dump_raw_current(
void)
249 return rb_vmdebug_stack_dump_raw(ec, ec->cfp, stderr);
256 kprintf(
"-- env --------------------\n");
260 for (i = 0; i < env->env_size; i++) {
261 kprintf(
"%04d: %08"PRIxVALUE
" (%p)", i, env->env[i], (
void *)&env->env[i]);
262 if (&env->env[i] == ep) kprintf(
" <- ep");
266 env = rb_vm_env_prev_env(env);
268 kprintf(
"---------------------------\n");
283 kprintf(
"-- proc -------------------\n");
284 kprintf(
"self: %s\n", selfstr);
285 env = VM_ENV_ENVVAL_PTR(vm_block_ep(&proc->block));
286 rb_vmdebug_env_dump_raw(env, vm_block_ep(&proc->block), errout);
294rb_vmdebug_stack_dump_th(
VALUE thval,
FILE *errout)
297 return rb_vmdebug_stack_dump_raw(target_th->ec, target_th->ec->cfp, errout);
307 const VALUE *bp = prev_cfp->sp + ISEQ_BODY(cfp->iseq)->local_table_size + VM_ENV_DATA_SIZE;
309 if (ISEQ_BODY(cfp->iseq)->type == ISEQ_TYPE_METHOD || VM_FRAME_BMETHOD_P(cfp)) {
318 int i, argc = 0, local_table_size = 0;
321 const VALUE *ep = cfp->ep;
323 if (VM_FRAME_RUBYFRAME_P(cfp)) {
325 argc = ISEQ_BODY(iseq)->param.lead_num;
326 local_table_size = ISEQ_BODY(iseq)->local_table_size;
331 if (VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_METHOD||
332 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_TOP ||
333 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_BLOCK ||
334 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_CLASS ||
335 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_CFUNC ||
336 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_IFUNC ||
337 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_EVAL ||
338 VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_RESCUE)
340 const VALUE *ptr = ep - local_table_size;
342 control_frame_dump(ec, cfp, errout);
344 for (i = 0; i < argc; i++) {
349 for (; i < local_table_size - 1; i++) {
355 ptr = vm_base_ptr(cfp);
356 for (; ptr < sp; ptr++, i++) {
357 switch (
TYPE(*ptr)) {
368 kprintf(
" stack %2d: %8s (%"PRIdPTRDIFF
")\n", i,
StringValueCStr(rstr),
369 (ptr - ec->vm_stack));
372 else if (VM_FRAME_FINISHED_P(cfp)) {
373 if (ec->vm_stack + ec->vm_stack_size > (
VALUE *)(cfp + 1)) {
374 vm_stack_dump_each(ec, cfp + 1, errout);
381 rb_bug(
"unsupported frame type: %08lx", VM_FRAME_TYPE(cfp));
391 ptrdiff_t ep = cfp->ep - ec->vm_stack;
394 if (VM_FRAME_RUBYFRAME_P(cfp)) {
395 pc = cfp->pc - ISEQ_BODY(cfp->iseq)->iseq_encoded;
398 if (ep < 0 || (
size_t)ep > ec->vm_stack_size) {
403 kprintf(
" [PC] %04"PRIdPTRDIFF
", [SP] %04"PRIdPTRDIFF
", [EP] %04"PRIdPTRDIFF
", [CFP] %04"PRIdPTRDIFF
"\n",
404 pc, (cfp->sp - ec->vm_stack), ep, cfpi);
412rb_vmdebug_thread_dump_regs(
VALUE thval,
FILE *errout)
414 return rb_vmdebug_debug_print_register(rb_thread_ptr(thval)->ec, errout);
423 ptrdiff_t pc = _pc - ISEQ_BODY(iseq)->iseq_encoded;
426 for (i=0; i<(int)VM_CFP_CNT(ec, cfp); i++) {
430 if(0) kprintf(
"[%03ld] ", (
long)(cfp->sp - ec->vm_stack));
434 const VALUE *iseq_original = rb_iseq_original_iseq((
rb_iseq_t *)iseq);
436 rb_iseq_disasm_insn(0, iseq_original, (
size_t)pc, iseq, 0);
442 rb_vmdebug_debug_print_register(errout, ec);
454 if (!rb_vmdebug_stack_dump_raw(ec, cfp, errout))
goto errout;
459 rb_vmdebug_debug_print_register(errout, ec);
465 vm_stack_dump_each(ec, ec->cfp, errout);
468 (
"--------------------------------------------------------------\n");
479rb_vmdebug_thread_dump_state(
FILE *errout,
VALUE self)
484 kprintf(
"Thread state dump:\n");
485 kprintf(
"pc : %p, sp : %p\n", (
void *)cfp->pc, (
void *)cfp->sp);
486 kprintf(
"cfp: %p, ep : %p\n", (
void *)cfp, (
void *)cfp->ep);
494# define MCTX_SS_REG(reg) __ss.__##reg
496# define MCTX_SS_REG(reg) ss.reg
500#if defined(HAVE_BACKTRACE)
501# define USE_BACKTRACE 1
502# ifdef HAVE_LIBUNWIND
504# define backtrace unw_backtrace
505# elif defined(__APPLE__) && defined(HAVE_LIBUNWIND_H)
506# define UNW_LOCAL_ONLY
507# include <libunwind.h>
508# include <sys/mman.h>
511backtrace(
void **trace,
int size)
513 unw_cursor_t cursor; unw_context_t uc;
518 unw_init_local(&cursor, &uc);
519# if defined(__x86_64__)
520 while (unw_step(&cursor) > 0) {
521 unw_get_reg(&cursor, UNW_REG_IP, &ip);
522 trace[n++] = (
void *)ip;
525 unw_get_proc_name(&cursor, buf, 256, &ip);
526 if (strncmp(
"_sigtramp", buf,
sizeof(
"_sigtramp")) == 0) {
527 goto darwin_sigtramp;
542 unw_get_reg(&cursor, UNW_X86_64_RBX, &ip);
543 uctx = (ucontext_t *)ip;
544 unw_set_reg(&cursor, UNW_X86_64_RAX, uctx->uc_mcontext->MCTX_SS_REG(rax));
545 unw_set_reg(&cursor, UNW_X86_64_RBX, uctx->uc_mcontext->MCTX_SS_REG(rbx));
546 unw_set_reg(&cursor, UNW_X86_64_RCX, uctx->uc_mcontext->MCTX_SS_REG(rcx));
547 unw_set_reg(&cursor, UNW_X86_64_RDX, uctx->uc_mcontext->MCTX_SS_REG(rdx));
548 unw_set_reg(&cursor, UNW_X86_64_RDI, uctx->uc_mcontext->MCTX_SS_REG(rdi));
549 unw_set_reg(&cursor, UNW_X86_64_RSI, uctx->uc_mcontext->MCTX_SS_REG(rsi));
550 unw_set_reg(&cursor, UNW_X86_64_RBP, uctx->uc_mcontext->MCTX_SS_REG(rbp));
551 unw_set_reg(&cursor, UNW_X86_64_RSP, 8+(uctx->uc_mcontext->MCTX_SS_REG(rsp)));
552 unw_set_reg(&cursor, UNW_X86_64_R8, uctx->uc_mcontext->MCTX_SS_REG(r8));
553 unw_set_reg(&cursor, UNW_X86_64_R9, uctx->uc_mcontext->MCTX_SS_REG(r9));
554 unw_set_reg(&cursor, UNW_X86_64_R10, uctx->uc_mcontext->MCTX_SS_REG(r10));
555 unw_set_reg(&cursor, UNW_X86_64_R11, uctx->uc_mcontext->MCTX_SS_REG(r11));
556 unw_set_reg(&cursor, UNW_X86_64_R12, uctx->uc_mcontext->MCTX_SS_REG(r12));
557 unw_set_reg(&cursor, UNW_X86_64_R13, uctx->uc_mcontext->MCTX_SS_REG(r13));
558 unw_set_reg(&cursor, UNW_X86_64_R14, uctx->uc_mcontext->MCTX_SS_REG(r14));
559 unw_set_reg(&cursor, UNW_X86_64_R15, uctx->uc_mcontext->MCTX_SS_REG(r15));
560 ip = uctx->uc_mcontext->MCTX_SS_REG(rip);
588 r = mincore((
const void *)ip, 1, vec);
589 if (r || vec[0] <= 0 || memcmp((
const char *)ip-2,
"\x0f\x05", 2) == 0) {
592 trace[n++] = (
void *)ip;
593 ip = *(unw_word_t*)uctx->uc_mcontext->MCTX_SS_REG(rsp);
596 trace[n++] = (
void *)ip;
597 unw_set_reg(&cursor, UNW_REG_IP, ip);
599 while (unw_step(&cursor) > 0) {
600 unw_get_reg(&cursor, UNW_REG_IP, &ip);
601 trace[n++] = (
void *)ip;
610 while (unw_step(&cursor) > 0) {
611 unw_get_reg(&cursor, UNW_REG_IP, &ip);
616 trace[n++] = (
void *)(ip & 0x7fffffffffffull);
621# elif defined(BROKEN_BACKTRACE)
623# define USE_BACKTRACE 0
626# define USE_BACKTRACE 0
630# include <execinfo.h>
632# include <imagehlp.h>
634# define SYMOPT_DEBUG 0x80000000
637# define MAX_SYM_NAME 2000
645 DWORD ThCallbackStack;
646 DWORD ThCallbackBStore;
649 DWORD64 KiCallUserMode;
650 DWORD64 KeUserCallbackDispatcher;
651 DWORD64 SystemRangeStart;
652 DWORD64 KiUserExceptionDispatcher;
659 ADDRESS64 AddrReturn;
662 ADDRESS64 AddrBStore;
663 void *FuncTableEntry;
694typedef void *PREAD_PROCESS_MEMORY_ROUTINE64;
695typedef void *PFUNCTION_TABLE_ACCESS_ROUTINE64;
696typedef void *PGET_MODULE_BASE_ROUTINE64;
697typedef void *PTRANSLATE_ADDRESS_ROUTINE64;
700struct dump_thead_arg {
706dump_thread(
void *arg)
709 BOOL (WINAPI *pSymInitialize)(HANDLE,
const char *, BOOL);
710 BOOL (WINAPI *pSymCleanup)(HANDLE);
711 BOOL (WINAPI *pStackWalk64)(DWORD, HANDLE, HANDLE, STACKFRAME64 *,
void *, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
712 DWORD64 (WINAPI *pSymGetModuleBase64)(HANDLE, DWORD64);
713 BOOL (WINAPI *pSymFromAddr)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *);
714 BOOL (WINAPI *pSymGetLineFromAddr64)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *);
715 HANDLE (WINAPI *pOpenThread)(DWORD, BOOL, DWORD);
716 DWORD tid = ((
struct dump_thead_arg *)arg)->tid;
717 FILE *errout = ((
struct dump_thead_arg *)arg)->errout;
721 dbghelp = LoadLibrary(
"dbghelp.dll");
722 if (!dbghelp)
return;
723 pSymInitialize = (BOOL (WINAPI *)(HANDLE,
const char *, BOOL))GetProcAddress(dbghelp,
"SymInitialize");
724 pSymCleanup = (BOOL (WINAPI *)(HANDLE))GetProcAddress(dbghelp,
"SymCleanup");
725 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");
726 pSymGetModuleBase64 = (DWORD64 (WINAPI *)(HANDLE, DWORD64))GetProcAddress(dbghelp,
"SymGetModuleBase64");
727 pSymFromAddr = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *))GetProcAddress(dbghelp,
"SymFromAddr");
728 pSymGetLineFromAddr64 = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD *, IMAGEHLP_LINE64 *))GetProcAddress(dbghelp,
"SymGetLineFromAddr64");
729 pOpenThread = (HANDLE (WINAPI *)(DWORD, BOOL, DWORD))GetProcAddress(GetModuleHandle(
"kernel32.dll"),
"OpenThread");
730 if (pSymInitialize && pSymCleanup && pStackWalk64 && pSymGetModuleBase64 &&
731 pSymFromAddr && pSymGetLineFromAddr64 && pOpenThread) {
732 SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS | SYMOPT_DEBUG | SYMOPT_LOAD_LINES);
733 ph = GetCurrentProcess();
734 pSymInitialize(ph, NULL, TRUE);
735 th = pOpenThread(THREAD_SUSPEND_RESUME|THREAD_GET_CONTEXT, FALSE, tid);
737 if (SuspendThread(th) != (DWORD)-1) {
739 memset(&context, 0,
sizeof(context));
740 context.ContextFlags = CONTEXT_FULL;
741 if (GetThreadContext(th, &context)) {
742 char libpath[MAX_PATH];
743 char buf[
sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
744 SYMBOL_INFO *info = (SYMBOL_INFO *)buf;
747 memset(&frame, 0,
sizeof(frame));
748#if defined(_M_AMD64) || defined(__x86_64__)
749 mac = IMAGE_FILE_MACHINE_AMD64;
750 frame.AddrPC.Mode = AddrModeFlat;
751 frame.AddrPC.Offset = context.Rip;
752 frame.AddrFrame.Mode = AddrModeFlat;
753 frame.AddrFrame.Offset = context.Rbp;
754 frame.AddrStack.Mode = AddrModeFlat;
755 frame.AddrStack.Offset = context.Rsp;
756#elif defined(__aarch64__)
757 mac = IMAGE_FILE_MACHINE_ARM64;
758 frame.AddrPC.Mode = AddrModeFlat;
759 frame.AddrPC.Offset = context.Pc;
760 frame.AddrFrame.Mode = AddrModeFlat;
761 frame.AddrFrame.Offset = context.Fp;
762 frame.AddrStack.Mode = AddrModeFlat;
763 frame.AddrStack.Offset = context.Sp;
765 mac = IMAGE_FILE_MACHINE_I386;
766 frame.AddrPC.Mode = AddrModeFlat;
767 frame.AddrPC.Offset = context.Eip;
768 frame.AddrFrame.Mode = AddrModeFlat;
769 frame.AddrFrame.Offset = context.Ebp;
770 frame.AddrStack.Mode = AddrModeFlat;
771 frame.AddrStack.Offset = context.Esp;
774 while (pStackWalk64(mac, ph, th, &frame, &context, NULL,
776 DWORD64 addr = frame.AddrPC.Offset;
777 IMAGEHLP_LINE64 line;
778 DWORD64 displacement;
781 if (addr == frame.AddrReturn.Offset || addr == 0 ||
782 frame.AddrReturn.Offset == 0)
785 memset(buf, 0,
sizeof(buf));
786 info->SizeOfStruct =
sizeof(SYMBOL_INFO);
787 info->MaxNameLen = MAX_SYM_NAME;
788 if (pSymFromAddr(ph, addr, &displacement, info)) {
789 if (GetModuleFileName((HANDLE)(uintptr_t)pSymGetModuleBase64(ph, addr), libpath,
sizeof(libpath)))
790 kprintf(
"%s", libpath);
791 kprintf(
"(%s+0x%"PRI_64_PREFIX
"x)",
792 info->Name, displacement);
794 kprintf(
" [0x%p]", (
void *)(
VALUE)addr);
795 memset(&line, 0,
sizeof(line));
796 line.SizeOfStruct =
sizeof(line);
797 if (pSymGetLineFromAddr64(ph, addr, &tmp, &line))
798 kprintf(
" %s:%lu", line.FileName, line.LineNumber);
810 FreeLibrary(dbghelp);
815rb_print_backtrace(
FILE *errout)
818#define MAX_NATIVE_TRACE 1024
819 static void *trace[MAX_NATIVE_TRACE];
820 int n = (int)backtrace(trace, MAX_NATIVE_TRACE);
821#if (defined(USE_ELF) || defined(HAVE_MACH_O_LOADER_H)) && defined(HAVE_DLADDR) && !defined(__sparc)
822 rb_dump_backtrace_with_lines(n, trace, errout);
824 char **syms = backtrace_symbols(trace, n);
827 for (i=0; i<n; i++) {
828 kprintf(
"%s\n", syms[i]);
836 struct dump_thead_arg arg = {
837 .tid = GetCurrentThreadId(),
840 HANDLE th = (HANDLE)_beginthread(dump_thread, 0, &arg);
841 if (th != (HANDLE)-1)
842 WaitForSingleObject(th, INFINITE);
846#ifdef HAVE_LIBPROCSTAT
849static void procstat_vm(
struct procstat *,
struct kinfo_proc *,
FILE *);
850#include "missing/procstat_vm.c"
854# if defined(__x86_64__) || defined(__i386__)
855# define dump_machine_register(reg) (col_count = print_machine_register(errout, mctx->gregs[REG_##reg], #reg, col_count, 80))
856# elif defined(__aarch64__) || defined(__arm__) || defined(__riscv) || defined(__loongarch64)
857# define dump_machine_register(reg, regstr) (col_count = print_machine_register(errout, reg, regstr, col_count, 80))
859#elif defined __APPLE__
860# if defined(__aarch64__)
861# define dump_machine_register(reg, regstr) (col_count = print_machine_register(errout, mctx->MCTX_SS_REG(reg), regstr, col_count, 80))
863# define dump_machine_register(reg) (col_count = print_machine_register(errout, mctx->MCTX_SS_REG(reg), #reg, col_count, 80))
867#ifdef dump_machine_register
869print_machine_register(
FILE *errout,
size_t reg,
const char *reg_name,
int col_count,
int max_col)
873 static const int size_width =
sizeof(size_t) * CHAR_BIT / 4;
875 ret = snprintf(buf,
sizeof(buf),
" %3.3s: 0x%.*" PRIxSIZE, reg_name, size_width, reg);
876 if (col_count + ret > max_col) {
889rb_dump_machine_register(
FILE *errout,
const ucontext_t *ctx)
892 if (!ctx)
return true;
894 kprintf(
"-- Machine register context "
895 "------------------------------------------------\n");
897# if defined __linux__
899 const mcontext_t *
const mctx = &ctx->uc_mcontext;
900# if defined __x86_64__
901 dump_machine_register(RIP);
902 dump_machine_register(RBP);
903 dump_machine_register(RSP);
904 dump_machine_register(RAX);
905 dump_machine_register(RBX);
906 dump_machine_register(RCX);
907 dump_machine_register(RDX);
908 dump_machine_register(RDI);
909 dump_machine_register(RSI);
910 dump_machine_register(R8);
911 dump_machine_register(R9);
912 dump_machine_register(R10);
913 dump_machine_register(R11);
914 dump_machine_register(R12);
915 dump_machine_register(R13);
916 dump_machine_register(R14);
917 dump_machine_register(R15);
918 dump_machine_register(EFL);
919# elif defined __i386__
920 dump_machine_register(GS);
921 dump_machine_register(FS);
922 dump_machine_register(ES);
923 dump_machine_register(DS);
924 dump_machine_register(EDI);
925 dump_machine_register(ESI);
926 dump_machine_register(EBP);
927 dump_machine_register(ESP);
928 dump_machine_register(EBX);
929 dump_machine_register(EDX);
930 dump_machine_register(ECX);
931 dump_machine_register(EAX);
932 dump_machine_register(TRAPNO);
933 dump_machine_register(ERR);
934 dump_machine_register(EIP);
935 dump_machine_register(CS);
936 dump_machine_register(EFL);
937 dump_machine_register(UESP);
938 dump_machine_register(SS);
939# elif defined __aarch64__
940 dump_machine_register(mctx->regs[0],
"x0");
941 dump_machine_register(mctx->regs[1],
"x1");
942 dump_machine_register(mctx->regs[2],
"x2");
943 dump_machine_register(mctx->regs[3],
"x3");
944 dump_machine_register(mctx->regs[4],
"x4");
945 dump_machine_register(mctx->regs[5],
"x5");
946 dump_machine_register(mctx->regs[6],
"x6");
947 dump_machine_register(mctx->regs[7],
"x7");
948 dump_machine_register(mctx->regs[18],
"x18");
949 dump_machine_register(mctx->regs[19],
"x19");
950 dump_machine_register(mctx->regs[20],
"x20");
951 dump_machine_register(mctx->regs[21],
"x21");
952 dump_machine_register(mctx->regs[22],
"x22");
953 dump_machine_register(mctx->regs[23],
"x23");
954 dump_machine_register(mctx->regs[24],
"x24");
955 dump_machine_register(mctx->regs[25],
"x25");
956 dump_machine_register(mctx->regs[26],
"x26");
957 dump_machine_register(mctx->regs[27],
"x27");
958 dump_machine_register(mctx->regs[28],
"x28");
959 dump_machine_register(mctx->regs[29],
"x29");
960 dump_machine_register(mctx->sp,
"sp");
961 dump_machine_register(mctx->fault_address,
"fault_address");
962# elif defined __arm__
963 dump_machine_register(mctx->arm_r0,
"r0");
964 dump_machine_register(mctx->arm_r1,
"r1");
965 dump_machine_register(mctx->arm_r2,
"r2");
966 dump_machine_register(mctx->arm_r3,
"r3");
967 dump_machine_register(mctx->arm_r4,
"r4");
968 dump_machine_register(mctx->arm_r5,
"r5");
969 dump_machine_register(mctx->arm_r6,
"r6");
970 dump_machine_register(mctx->arm_r7,
"r7");
971 dump_machine_register(mctx->arm_r8,
"r8");
972 dump_machine_register(mctx->arm_r9,
"r9");
973 dump_machine_register(mctx->arm_r10,
"r10");
974 dump_machine_register(mctx->arm_sp,
"sp");
975 dump_machine_register(mctx->fault_address,
"fault_address");
976# elif defined __riscv
977 dump_machine_register(mctx->__gregs[REG_SP],
"sp");
978 dump_machine_register(mctx->__gregs[REG_S0],
"s0");
979 dump_machine_register(mctx->__gregs[REG_S1],
"s1");
980 dump_machine_register(mctx->__gregs[REG_A0],
"a0");
981 dump_machine_register(mctx->__gregs[REG_A0+1],
"a1");
982 dump_machine_register(mctx->__gregs[REG_A0+2],
"a2");
983 dump_machine_register(mctx->__gregs[REG_A0+3],
"a3");
984 dump_machine_register(mctx->__gregs[REG_A0+4],
"a4");
985 dump_machine_register(mctx->__gregs[REG_A0+5],
"a5");
986 dump_machine_register(mctx->__gregs[REG_A0+6],
"a6");
987 dump_machine_register(mctx->__gregs[REG_A0+7],
"a7");
988 dump_machine_register(mctx->__gregs[REG_S2],
"s2");
989 dump_machine_register(mctx->__gregs[REG_S2+1],
"s3");
990 dump_machine_register(mctx->__gregs[REG_S2+2],
"s4");
991 dump_machine_register(mctx->__gregs[REG_S2+3],
"s5");
992 dump_machine_register(mctx->__gregs[REG_S2+4],
"s6");
993 dump_machine_register(mctx->__gregs[REG_S2+5],
"s7");
994 dump_machine_register(mctx->__gregs[REG_S2+6],
"s8");
995 dump_machine_register(mctx->__gregs[REG_S2+7],
"s9");
996 dump_machine_register(mctx->__gregs[REG_S2+8],
"s10");
997 dump_machine_register(mctx->__gregs[REG_S2+9],
"s11");
998# elif defined __loongarch64
999 dump_machine_register(mctx->__gregs[LARCH_REG_SP],
"sp");
1000 dump_machine_register(mctx->__gregs[LARCH_REG_S0],
"s0");
1001 dump_machine_register(mctx->__gregs[LARCH_REG_S1],
"s1");
1002 dump_machine_register(mctx->__gregs[LARCH_REG_A0],
"a0");
1003 dump_machine_register(mctx->__gregs[LARCH_REG_A0+1],
"a1");
1004 dump_machine_register(mctx->__gregs[LARCH_REG_A0+2],
"a2");
1005 dump_machine_register(mctx->__gregs[LARCH_REG_A0+3],
"a3");
1006 dump_machine_register(mctx->__gregs[LARCH_REG_A0+4],
"a4");
1007 dump_machine_register(mctx->__gregs[LARCH_REG_A0+5],
"a5");
1008 dump_machine_register(mctx->__gregs[LARCH_REG_A0+6],
"a6");
1009 dump_machine_register(mctx->__gregs[LARCH_REG_A0+7],
"a7");
1010 dump_machine_register(mctx->__gregs[LARCH_REG_A0+7],
"a7");
1011 dump_machine_register(mctx->__gregs[LARCH_REG_S0],
"s0");
1012 dump_machine_register(mctx->__gregs[LARCH_REG_S0+1],
"s1");
1013 dump_machine_register(mctx->__gregs[LARCH_REG_S0+2],
"s2");
1014 dump_machine_register(mctx->__gregs[LARCH_REG_S0+3],
"s3");
1015 dump_machine_register(mctx->__gregs[LARCH_REG_S0+4],
"s4");
1016 dump_machine_register(mctx->__gregs[LARCH_REG_S0+5],
"s5");
1017 dump_machine_register(mctx->__gregs[LARCH_REG_S0+6],
"s6");
1018 dump_machine_register(mctx->__gregs[LARCH_REG_S0+7],
"s7");
1019 dump_machine_register(mctx->__gregs[LARCH_REG_S0+8],
"s8");
1022# elif defined __APPLE__
1024 const mcontext_t mctx = ctx->uc_mcontext;
1025# if defined __x86_64__
1026 dump_machine_register(rax);
1027 dump_machine_register(rbx);
1028 dump_machine_register(rcx);
1029 dump_machine_register(rdx);
1030 dump_machine_register(rdi);
1031 dump_machine_register(rsi);
1032 dump_machine_register(rbp);
1033 dump_machine_register(rsp);
1034 dump_machine_register(r8);
1035 dump_machine_register(r9);
1036 dump_machine_register(r10);
1037 dump_machine_register(r11);
1038 dump_machine_register(r12);
1039 dump_machine_register(r13);
1040 dump_machine_register(r14);
1041 dump_machine_register(r15);
1042 dump_machine_register(rip);
1043 dump_machine_register(rflags);
1044# elif defined __i386__
1045 dump_machine_register(eax);
1046 dump_machine_register(ebx);
1047 dump_machine_register(ecx);
1048 dump_machine_register(edx);
1049 dump_machine_register(edi);
1050 dump_machine_register(esi);
1051 dump_machine_register(ebp);
1052 dump_machine_register(esp);
1053 dump_machine_register(ss);
1054 dump_machine_register(eflags);
1055 dump_machine_register(eip);
1056 dump_machine_register(cs);
1057 dump_machine_register(ds);
1058 dump_machine_register(es);
1059 dump_machine_register(fs);
1060 dump_machine_register(gs);
1061# elif defined __aarch64__
1062 dump_machine_register(x[0],
"x0");
1063 dump_machine_register(x[1],
"x1");
1064 dump_machine_register(x[2],
"x2");
1065 dump_machine_register(x[3],
"x3");
1066 dump_machine_register(x[4],
"x4");
1067 dump_machine_register(x[5],
"x5");
1068 dump_machine_register(x[6],
"x6");
1069 dump_machine_register(x[7],
"x7");
1070 dump_machine_register(x[18],
"x18");
1071 dump_machine_register(x[19],
"x19");
1072 dump_machine_register(x[20],
"x20");
1073 dump_machine_register(x[21],
"x21");
1074 dump_machine_register(x[22],
"x22");
1075 dump_machine_register(x[23],
"x23");
1076 dump_machine_register(x[24],
"x24");
1077 dump_machine_register(x[25],
"x25");
1078 dump_machine_register(x[26],
"x26");
1079 dump_machine_register(x[27],
"x27");
1080 dump_machine_register(x[28],
"x28");
1081 dump_machine_register(lr,
"lr");
1082 dump_machine_register(fp,
"fp");
1083 dump_machine_register(sp,
"sp");
1094# define rb_dump_machine_register(errout, ctx) ((void)0)
1098rb_vm_bugreport(
const void *ctx,
FILE *errout)
1100 const char *cmd = getenv(
"RUBY_ON_BUG");
1104 int r = system(buf);
1106 snprintf(buf,
sizeof(buf),
"Launching RUBY_ON_BUG command failed.");
1113 static bool crashing =
false;
1115 kprintf(
"Crashed while printing bug report\n");
1122# define PROC_MAPS_NAME "/proc/self/maps"
1124#ifdef PROC_MAPS_NAME
1125 enum {other_runtime_info = 1};
1127 enum {other_runtime_info = 0};
1129 const rb_vm_t *
const vm = GET_VM();
1133 rb_vmdebug_stack_dump_raw(ec, ec->cfp, errout);
1134 rb_backtrace_print_as_bugreport(errout);
1139 kprintf(
"-- Threading information "
1140 "---------------------------------------------------\n");
1141 kprintf(
"Total ractor count: %u\n", vm->ractor.cnt);
1142 kprintf(
"Ruby thread count for this ractor: %u\n", rb_ec_ractor_ptr(ec)->threads.cnt);
1146 rb_dump_machine_register(errout, ctx);
1148#if USE_BACKTRACE || defined(_WIN32)
1149 kprintf(
"-- C level backtrace information "
1150 "-------------------------------------------\n");
1151 rb_print_backtrace(errout);
1157 if (other_runtime_info || vm) {
1158 kprintf(
"-- Other runtime information "
1159 "-----------------------------------------------\n\n");
1161 if (vm && !rb_during_gc()) {
1165 const int max_name_length = 1024;
1166# define LIMITED_NAME_LENGTH(s) \
1167 (((len = RSTRING_LEN(s)) > max_name_length) ? max_name_length : (int)len)
1169 name = vm->progname;
1171 kprintf(
"* Loaded script: %.*s\n",
1172 LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
1175 if (vm->loaded_features) {
1176 kprintf(
"* Loaded features:\n\n");
1177 for (i=0; i<
RARRAY_LEN(vm->loaded_features); i++) {
1180 kprintf(
" %4d %.*s\n", i,
1181 LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
1184 const char *
const type = RB_TYPE_P(name,
T_CLASS) ?
1188 kprintf(
" %4d %s:<unnamed>\n", i,
type);
1191 kprintf(
" %4d %s:%.*s\n", i,
type,
1192 LIMITED_NAME_LENGTH(name), RSTRING_PTR(name));
1197 kprintf(
" %4d #<%p:%p>\n", i,
1198 (
void *)
CLASS_OF(name), (
void *)name);
1201 kprintf(
" %4d #<%.*s:%p>\n", i,
1202 LIMITED_NAME_LENGTH(klass), RSTRING_PTR(klass),
1211#ifdef PROC_MAPS_NAME
1213 FILE *fp = fopen(PROC_MAPS_NAME,
"r");
1215 kprintf(
"* Process memory map:\n\n");
1219 size_t rn = fread(buff, 1, 0x100, fp);
1220 if (fwrite(buff, 1, rn, errout) != rn)
1229#ifdef HAVE_LIBPROCSTAT
1230# define MIB_KERN_PROC_PID_LEN 4
1231 int mib[MIB_KERN_PROC_PID_LEN];
1232 struct kinfo_proc kp;
1233 size_t len =
sizeof(
struct kinfo_proc);
1236 mib[2] = KERN_PROC_PID;
1238 if (sysctl(mib, MIB_KERN_PROC_PID_LEN, &kp, &
len, NULL, 0) == -1) {
1239 kprintf(
"sysctl: %s\n", strerror(
errno));
1242 struct procstat *prstat = procstat_open_sysctl();
1243 kprintf(
"* Process memory map:\n\n");
1244 procstat_vm(prstat, &kp, errout);
1245 procstat_close(prstat);
1250 vm_address_t addr = 0;
1252 struct vm_region_submap_info map;
1253 mach_msg_type_number_t count = VM_REGION_SUBMAP_INFO_COUNT;
1254 natural_t depth = 0;
1256 kprintf(
"* Process memory map:\n\n");
1258 if (vm_region_recurse(mach_task_self(), &addr, &size, &depth,
1259 (vm_region_recurse_info_t)&map, &count) != KERN_SUCCESS) {
1263 if (map.is_submap) {
1268 kprintf(
"%lx-%lx %s%s%s", addr, (addr+size),
1269 ((map.protection & VM_PROT_READ) != 0 ?
"r" :
"-"),
1270 ((map.protection & VM_PROT_WRITE) != 0 ?
"w" :
"-"),
1271 ((map.protection & VM_PROT_EXECUTE) != 0 ?
"x" :
"-"));
1272#ifdef HAVE_LIBPROC_H
1273 char buff[PATH_MAX];
1274 if (proc_regionfilename(getpid(), addr, buff,
sizeof(buff)) > 0) {
1275 kprintf(
" %s", buff);
1293rb_vmdebug_stack_dump_all_threads(
void)
1297 FILE *errout = stderr;
1300 ccan_list_for_each(&r->threads.set, th, lt_node) {
1301#ifdef NON_SCALAR_THREAD_ID
1302 kprintf(
"th: %p, native_id: N/A\n", th);
1304 kprintf(
"th: %p, native_id: %p\n", (
void *)th, (
void *)(uintptr_t)th->nt->thread_id);
1306 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 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 id)
Identical to rb_id2str(), except it takes an instance of rb_cSymbol rather than an ID.
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.
uintptr_t VALUE
Type that represents a Ruby object.