18 #ifdef HAVE_UCONTEXT_H
25 #include <mach/vm_map.h>
26 #include <mach/mach_init.h>
28 #define vm_region_recurse vm_region_recurse_64
37 #define MAX_POSBUF 128
39 #define VM_CFP_CNT(ec, cfp) \
40 ((rb_control_frame_t *)((ec)->vm_stack + (ec)->vm_stack_size) - \
41 (rb_control_frame_t *)(cfp))
51 char ep_in_heap =
' ';
54 const char *magic, *iseq_name =
"-", *selfstr =
"-", *biseq_name =
"-";
64 switch (VM_FRAME_TYPE(
cfp)) {
106 #define RUBY_VM_IFUNC_P(ptr) imemo_type_p((VALUE)ptr, imemo_ifunc)
108 iseq_name =
"<ifunc>";
146 if (VM_FRAME_FINISHED_P(
cfp)) {
216 "-----------------------------------------------\n");
218 control_frame_dump(
ec,
cfp);
239 for (
i = 0;
i <
env->env_size;
i++) {
260 env = VM_ENV_ENVVAL_PTR(vm_block_ep(&proc->
block));
289 int i,
argc = 0, local_table_size = 0;
294 if (VM_FRAME_RUBYFRAME_P(
cfp)) {
311 const VALUE *
ptr = ep - local_table_size;
313 control_frame_dump(
ec,
cfp);
320 for (;
i < local_table_size - 1;
i++) {
343 else if (VM_FRAME_FINISHED_P(
cfp)) {
345 vm_stack_dump_each(
ec,
cfp + 1);
352 rb_bug(
"unsupported frame type: %08lx", VM_FRAME_TYPE(
cfp));
365 if (VM_FRAME_RUBYFRAME_P(
cfp)) {
432 vm_stack_dump_each(
ec,
ec->
cfp);
434 #if OPT_STACK_CACHING
444 (
"--------------------------------------------------------------\n");
461 #if defined __APPLE__
463 # define MCTX_SS_REG(reg) __ss.__##reg
465 # define MCTX_SS_REG(reg) ss.reg
469 #if defined(HAVE_BACKTRACE)
470 # ifdef HAVE_LIBUNWIND
472 # define backtrace unw_backtrace
473 # elif defined(__APPLE__) && defined(__x86_64__) && defined(HAVE_LIBUNWIND_H)
474 # define UNW_LOCAL_ONLY
475 # include <libunwind.h>
476 # include <sys/mman.h>
479 backtrace(
void **trace,
int size)
481 unw_cursor_t cursor; unw_context_t uc;
486 unw_init_local(&cursor, &uc);
487 while (unw_step(&cursor) > 0) {
488 unw_get_reg(&cursor, UNW_REG_IP, &ip);
489 trace[
n++] = (
void *)ip;
492 unw_get_proc_name(&cursor,
buf, 256, &ip);
493 if (
strncmp(
"_sigtramp",
buf,
sizeof(
"_sigtramp")) == 0) {
494 goto darwin_sigtramp;
509 unw_get_reg(&cursor, UNW_X86_64_RBX, &ip);
511 unw_set_reg(&cursor, UNW_X86_64_RAX, uctx->uc_mcontext->MCTX_SS_REG(rax));
512 unw_set_reg(&cursor, UNW_X86_64_RBX, uctx->uc_mcontext->MCTX_SS_REG(rbx));
513 unw_set_reg(&cursor, UNW_X86_64_RCX, uctx->uc_mcontext->MCTX_SS_REG(rcx));
514 unw_set_reg(&cursor, UNW_X86_64_RDX, uctx->uc_mcontext->MCTX_SS_REG(rdx));
515 unw_set_reg(&cursor, UNW_X86_64_RDI, uctx->uc_mcontext->MCTX_SS_REG(rdi));
516 unw_set_reg(&cursor, UNW_X86_64_RSI, uctx->uc_mcontext->MCTX_SS_REG(rsi));
517 unw_set_reg(&cursor, UNW_X86_64_RBP, uctx->uc_mcontext->MCTX_SS_REG(rbp));
518 unw_set_reg(&cursor, UNW_X86_64_RSP, 8+(uctx->uc_mcontext->MCTX_SS_REG(rsp)));
519 unw_set_reg(&cursor, UNW_X86_64_R8, uctx->uc_mcontext->MCTX_SS_REG(r8));
520 unw_set_reg(&cursor, UNW_X86_64_R9, uctx->uc_mcontext->MCTX_SS_REG(r9));
521 unw_set_reg(&cursor, UNW_X86_64_R10, uctx->uc_mcontext->MCTX_SS_REG(r10));
522 unw_set_reg(&cursor, UNW_X86_64_R11, uctx->uc_mcontext->MCTX_SS_REG(r11));
523 unw_set_reg(&cursor, UNW_X86_64_R12, uctx->uc_mcontext->MCTX_SS_REG(r12));
524 unw_set_reg(&cursor, UNW_X86_64_R13, uctx->uc_mcontext->MCTX_SS_REG(r13));
525 unw_set_reg(&cursor, UNW_X86_64_R14, uctx->uc_mcontext->MCTX_SS_REG(r14));
526 unw_set_reg(&cursor, UNW_X86_64_R15, uctx->uc_mcontext->MCTX_SS_REG(r15));
527 ip = uctx->uc_mcontext->MCTX_SS_REG(rip);
555 r = mincore((
const void *)ip, 1, vec);
556 if (r || vec[0] <= 0 ||
memcmp((
const char *)ip-2,
"\x0f\x05", 2) == 0) {
559 trace[
n++] = (
void *)ip;
560 ip = *(unw_word_t*)uctx->uc_mcontext->MCTX_SS_REG(rsp);
562 trace[
n++] = (
void *)ip;
563 unw_set_reg(&cursor, UNW_REG_IP, ip);
565 while (unw_step(&cursor) > 0) {
566 unw_get_reg(&cursor, UNW_REG_IP, &ip);
567 trace[
n++] = (
void *)ip;
571 # elif defined(BROKEN_BACKTRACE)
572 # undef HAVE_BACKTRACE
573 # define HAVE_BACKTRACE 0
576 # define HAVE_BACKTRACE 0
580 # include <execinfo.h>
581 #elif defined(_WIN32)
582 # include <imagehlp.h>
583 # ifndef SYMOPT_DEBUG
584 # define SYMOPT_DEBUG 0x80000000
586 # ifndef MAX_SYM_NAME
587 # define MAX_SYM_NAME 2000
595 DWORD ThCallbackStack;
596 DWORD ThCallbackBStore;
599 DWORD64 KiCallUserMode;
600 DWORD64 KeUserCallbackDispatcher;
601 DWORD64 SystemRangeStart;
602 DWORD64 KiUserExceptionDispatcher;
609 ADDRESS64 AddrReturn;
612 ADDRESS64 AddrBStore;
613 void *FuncTableEntry;
644 typedef void *PREAD_PROCESS_MEMORY_ROUTINE64;
645 typedef void *PFUNCTION_TABLE_ACCESS_ROUTINE64;
646 typedef void *PGET_MODULE_BASE_ROUTINE64;
647 typedef void *PTRANSLATE_ADDRESS_ROUTINE64;
651 dump_thread(
void *
arg)
654 BOOL (WINAPI *pSymInitialize)(HANDLE,
const char *, BOOL);
655 BOOL (WINAPI *pSymCleanup)(HANDLE);
656 BOOL (WINAPI *pStackWalk64)(
DWORD, HANDLE, HANDLE, STACKFRAME64 *,
void *, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
657 DWORD64 (WINAPI *pSymGetModuleBase64)(HANDLE, DWORD64);
658 BOOL (WINAPI *pSymFromAddr)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *);
659 BOOL (WINAPI *pSymGetLineFromAddr64)(HANDLE, DWORD64,
DWORD *, IMAGEHLP_LINE64 *);
660 HANDLE (WINAPI *pOpenThread)(
DWORD, BOOL,
DWORD);
665 dbghelp = LoadLibrary(
"dbghelp.dll");
666 if (!dbghelp)
return;
667 pSymInitialize = (BOOL (WINAPI *)(HANDLE,
const char *, BOOL))GetProcAddress(dbghelp,
"SymInitialize");
668 pSymCleanup = (BOOL (WINAPI *)(HANDLE))GetProcAddress(dbghelp,
"SymCleanup");
669 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");
670 pSymGetModuleBase64 = (DWORD64 (WINAPI *)(HANDLE, DWORD64))GetProcAddress(dbghelp,
"SymGetModuleBase64");
671 pSymFromAddr = (BOOL (WINAPI *)(HANDLE, DWORD64, DWORD64 *, SYMBOL_INFO *))GetProcAddress(dbghelp,
"SymFromAddr");
672 pSymGetLineFromAddr64 = (BOOL (WINAPI *)(HANDLE, DWORD64,
DWORD *, IMAGEHLP_LINE64 *))GetProcAddress(dbghelp,
"SymGetLineFromAddr64");
673 pOpenThread = (HANDLE (WINAPI *)(
DWORD, BOOL,
DWORD))GetProcAddress(GetModuleHandle(
"kernel32.dll"),
"OpenThread");
674 if (pSymInitialize && pSymCleanup && pStackWalk64 && pSymGetModuleBase64 &&
675 pSymFromAddr && pSymGetLineFromAddr64 && pOpenThread) {
676 SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS | SYMOPT_DEBUG | SYMOPT_LOAD_LINES);
677 ph = GetCurrentProcess();
679 th = pOpenThread(THREAD_SUSPEND_RESUME|THREAD_GET_CONTEXT,
FALSE, tid);
681 if (SuspendThread(th) != (
DWORD)-1) {
683 memset(&context, 0,
sizeof(context));
684 context.ContextFlags = CONTEXT_FULL;
685 if (GetThreadContext(th, &context)) {
686 char libpath[MAX_PATH];
687 char buf[
sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
688 SYMBOL_INFO *info = (SYMBOL_INFO *)
buf;
691 memset(&frame, 0,
sizeof(frame));
692 #if defined(_M_AMD64) || defined(__x86_64__)
693 mac = IMAGE_FILE_MACHINE_AMD64;
694 frame.AddrPC.Mode = AddrModeFlat;
695 frame.AddrPC.Offset = context.Rip;
696 frame.AddrFrame.Mode = AddrModeFlat;
697 frame.AddrFrame.Offset = context.Rbp;
698 frame.AddrStack.Mode = AddrModeFlat;
699 frame.AddrStack.Offset = context.Rsp;
701 mac = IMAGE_FILE_MACHINE_I386;
702 frame.AddrPC.Mode = AddrModeFlat;
703 frame.AddrPC.Offset = context.Eip;
704 frame.AddrFrame.Mode = AddrModeFlat;
705 frame.AddrFrame.Offset = context.Ebp;
706 frame.AddrStack.Mode = AddrModeFlat;
707 frame.AddrStack.Offset = context.Esp;
710 while (pStackWalk64(mac, ph, th, &frame, &context,
NULL,
712 DWORD64 addr = frame.AddrPC.Offset;
713 IMAGEHLP_LINE64 line;
714 DWORD64 displacement;
717 if (addr == frame.AddrReturn.Offset || addr == 0 ||
718 frame.AddrReturn.Offset == 0)
722 info->SizeOfStruct =
sizeof(SYMBOL_INFO);
723 info->MaxNameLen = MAX_SYM_NAME;
724 if (pSymFromAddr(ph, addr, &displacement, info)) {
725 if (GetModuleFileName((HANDLE)(
uintptr_t)pSymGetModuleBase64(ph, addr), libpath,
sizeof(libpath)))
728 info->Name, displacement);
731 memset(&line, 0,
sizeof(line));
732 line.SizeOfStruct =
sizeof(line);
733 if (pSymGetLineFromAddr64(ph, addr, &tmp, &line))
745 FreeLibrary(dbghelp);
753 #define MAX_NATIVE_TRACE 1024
754 static void *trace[MAX_NATIVE_TRACE];
755 int n = (
int)backtrace(trace, MAX_NATIVE_TRACE);
756 #if (defined(USE_ELF) || defined(HAVE_MACH_O_LOADER_H)) && defined(HAVE_DLADDR) && !defined(__sparc)
757 rb_dump_backtrace_with_lines(
n, trace);
759 char **syms = backtrace_symbols(trace,
n);
762 for (
i=0;
i<
n;
i++) {
768 #elif defined(_WIN32)
769 DWORD tid = GetCurrentThreadId();
770 HANDLE th = (HANDLE)_beginthread(dump_thread, 0, &tid);
771 if (th != (HANDLE)-1)
772 WaitForSingleObject(th, INFINITE);
776 #ifdef HAVE_LIBPROCSTAT
780 #if defined __linux__
781 # if defined __x86_64__ || defined __i386__
782 # define HAVE_PRINT_MACHINE_REGISTERS 1
784 #elif defined __APPLE__
785 # if defined __x86_64__ || defined __i386__
786 # define HAVE_PRINT_MACHINE_REGISTERS 1
790 #ifdef HAVE_PRINT_MACHINE_REGISTERS
792 print_machine_register(
size_t reg,
const char *reg_name,
int col_count,
int max_col)
802 if (col_count + ret > max_col) {
811 # define dump_machine_register(reg) (col_count = print_machine_register(mctx->gregs[REG_##reg], #reg, col_count, 80))
812 # elif defined __APPLE__
813 # define dump_machine_register(reg) (col_count = print_machine_register(mctx->MCTX_SS_REG(reg), #reg, col_count, 80))
823 "------------------------------------------------\n");
825 # if defined __linux__
827 const mcontext_t *
const mctx = &ctx->uc_mcontext;
828 # if defined __x86_64__
829 dump_machine_register(RIP);
830 dump_machine_register(RBP);
831 dump_machine_register(RSP);
832 dump_machine_register(RAX);
833 dump_machine_register(RBX);
834 dump_machine_register(RCX);
835 dump_machine_register(RDX);
836 dump_machine_register(RDI);
837 dump_machine_register(RSI);
838 dump_machine_register(R8);
839 dump_machine_register(R9);
840 dump_machine_register(R10);
841 dump_machine_register(R11);
842 dump_machine_register(R12);
843 dump_machine_register(R13);
844 dump_machine_register(R14);
845 dump_machine_register(R15);
846 dump_machine_register(EFL);
847 # elif defined __i386__
848 dump_machine_register(GS);
849 dump_machine_register(FS);
850 dump_machine_register(ES);
851 dump_machine_register(DS);
852 dump_machine_register(EDI);
853 dump_machine_register(ESI);
854 dump_machine_register(EBP);
855 dump_machine_register(ESP);
856 dump_machine_register(EBX);
857 dump_machine_register(EDX);
858 dump_machine_register(ECX);
859 dump_machine_register(EAX);
860 dump_machine_register(TRAPNO);
861 dump_machine_register(
ERR);
862 dump_machine_register(EIP);
863 dump_machine_register(CS);
864 dump_machine_register(EFL);
865 dump_machine_register(UESP);
866 dump_machine_register(SS);
869 # elif defined __APPLE__
872 # if defined __x86_64__
873 dump_machine_register(rax);
874 dump_machine_register(rbx);
875 dump_machine_register(rcx);
876 dump_machine_register(rdx);
877 dump_machine_register(rdi);
878 dump_machine_register(rsi);
879 dump_machine_register(rbp);
880 dump_machine_register(rsp);
881 dump_machine_register(r8);
882 dump_machine_register(r9);
883 dump_machine_register(r10);
884 dump_machine_register(r11);
885 dump_machine_register(r12);
886 dump_machine_register(r13);
887 dump_machine_register(r14);
888 dump_machine_register(r15);
889 dump_machine_register(rip);
890 dump_machine_register(rflags);
891 # elif defined __i386__
892 dump_machine_register(eax);
893 dump_machine_register(ebx);
894 dump_machine_register(ecx);
895 dump_machine_register(edx);
896 dump_machine_register(edi);
897 dump_machine_register(esi);
898 dump_machine_register(ebp);
899 dump_machine_register(esp);
900 dump_machine_register(ss);
901 dump_machine_register(eflags);
902 dump_machine_register(eip);
903 dump_machine_register(cs);
904 dump_machine_register(ds);
905 dump_machine_register(es);
906 dump_machine_register(fs);
907 dump_machine_register(gs);
914 # define rb_dump_machine_register(ctx) ((void)0)
921 # define PROC_MAPS_NAME "/proc/self/maps"
923 #ifdef PROC_MAPS_NAME
924 enum {other_runtime_info = 1};
926 enum {other_runtime_info = 0};
938 #if HAVE_BACKTRACE || defined(_WIN32)
940 "-------------------------------------------\n");
947 if (other_runtime_info || vm) {
949 "-----------------------------------------------\n\n");
955 const int max_name_length = 1024;
956 # define LIMITED_NAME_LENGTH(s) \
957 (((len = RSTRING_LEN(s)) > max_name_length) ? max_name_length : (int)len)
997 #ifdef PROC_MAPS_NAME
1005 size_t rn =
fread(buff, 1, 0x100, fp);
1015 #ifdef HAVE_LIBPROCSTAT
1016 # define MIB_KERN_PROC_PID_LEN 4
1017 int mib[MIB_KERN_PROC_PID_LEN];
1018 struct kinfo_proc kp;
1019 size_t len =
sizeof(
struct kinfo_proc);
1022 mib[2] = KERN_PROC_PID;
1024 if (sysctl(mib, MIB_KERN_PROC_PID_LEN, &kp, &
len,
NULL, 0) == -1) {
1028 struct procstat *prstat = procstat_open_sysctl();
1031 procstat_close(prstat);
1036 vm_address_t addr = 0;
1038 struct vm_region_submap_info map;
1039 mach_msg_type_number_t
count = VM_REGION_SUBMAP_INFO_COUNT;
1040 natural_t depth = 0;
1044 if (vm_region_recurse(mach_task_self(), &addr, &
size, &depth,
1045 (vm_region_recurse_info_t)&map, &
count) != KERN_SUCCESS) {
1049 if (map.is_submap) {
1055 ((map.protection & VM_PROT_READ) != 0 ?
"r" :
"-"),
1056 ((map.protection & VM_PROT_WRITE) != 0 ?
"w" :
"-"),
1057 ((map.protection & VM_PROT_EXECUTE) != 0 ?
"x" :
"-"));
1058 #ifdef HAVE_LIBPROC_H
1060 if (proc_regionfilename(
getpid(), addr, buff,
sizeof(buff)) > 0) {
1074 #ifdef NON_SCALAR_THREAD_ID
1085 #ifdef NON_SCALAR_THREAD_ID