Kouhei Sutou
null+****@clear*****
Mon Oct 16 16:58:08 JST 2017
Kouhei Sutou 2017-10-16 16:58:08 +0900 (Mon, 16 Oct 2017) New Revision: 28fda9fc72da37734c5747deceedcb320db69e2b https://github.com/groonga/groonga/commit/28fda9fc72da37734c5747deceedcb320db69e2b Message: windows: support backtrace on crash Modified files: lib/ctx.c Modified: lib/ctx.c (+123 -7) =================================================================== --- lib/ctx.c 2017-10-16 00:00:54 +0900 (1b9bcc3ac) +++ lib/ctx.c 2017-10-16 16:58:08 +0900 (0414d3ddb) @@ -49,6 +49,7 @@ #ifdef WIN32 # include <share.h> +# include <dbghelp.h> #else /* WIN32 */ # include <netinet/in.h> #endif /* WIN32 */ @@ -1570,7 +1571,120 @@ grn_get_package_label(void) return PACKAGE_LABEL; } -#if defined(HAVE_SIGNAL_H) && !defined(WIN32) +#ifdef WIN32 +static LONG +exception_filter(EXCEPTION_POINTERS *info) +{ + HANDLE process; + HANDLE thread; + CONTEXT *context; + STACKFRAME64 frame; + DWORD machine_type; + DWORD previous_address; + + process = GetCurrentProcess(); + thread = GetCurrentThread(); + context = info->ContextRecord; + + SymSetOptions(SYMOPT_ALLOW_ABSOLUTE_SYMBOLS | + SYMOPT_ALLOW_ZERO_ADDRESS | + SYMOPT_AUTO_PUBLICS | + SYMOPT_DEBUG | + SYMOPT_DEFERRED_LOADS | + SYMOPT_LOAD_LINES | + SYMOPT_NO_PROMPTS); + SymInitialize(process, NULL, TRUE); + + memset(&frame, 0, sizeof(STACKFRAME64)); + frame.AddrPC.Mode = AddrModeFlat; + frame.AddrReturn.Mode = AddrModeFlat; + frame.AddrFrame.Mode = AddrModeFlat; + frame.AddrStack.Mode = AddrModeFlat; + frame.AddrBStore.Mode = AddrModeFlat; +# ifdef _M_IX86 + machine_type = IMAGE_FILE_MACHINE_I386; + frame.AddrPC.Offset = context->Eip; + frame.AddrFrame.Offset = context->Ebp; + frame.AddrStack.Offset = context->Esp; +# elif defined(_M_IA64) /* _M_IX86 */ + machine_type = IMAGE_FILE_MACHINE_IA64; + frame.AddrPC.Offset = context->StIIP; + frame.AddrStack.Offset = context->IntSP; /* SP is IntSP? */ + frame.AddrBStore.Offset = context->RsBSP; +# elif defined(_M_AMD64) /* _M_IX86 */ + machine_type = IMAGE_FILE_MACHINE_AMD64; + frame.AddrPC.Offset = context->Rip; + frame.AddrFrame.Offset = context->Rbp; + frame.AddrStack.Offset = context->Rsp; +# else /* _M_IX86 */ +# error "Intel x86, Intel Itanium and x64 are only supported architectures" +# endif /* _M_IX86 */ + + previous_address = 0; + while (GRN_TRUE) { + DWORD address; + IMAGEHLP_MODULE64 module; + char *buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR)]; + SYMBOL_INFO *symbol = (SYMBOL_INFO *)buffer; + DWORD line_displacement = 0; + IMAGEHLP_LINE64 line; + grn_bool have_module_name = GRN_FALSE; + grn_bool have_symbol_name = GRN_FALSE; + grn_bool have_location = GRN_FALSE; + + if (!StackWalk64(machine_type, + process, + thread, + &frame, + context, + NULL, + NULL, + NULL, + NULL)) { + break; + } + + address = frame.AddrPC.Offset; + if (previous_address != 0 && address == previous_address) { + break; + } + + module.SizeOfStruct = sizeof(IMAGEHLP_MODULE64); + if (SymGetModuleInfo64(process, address, &module)) { + have_module_name = GRN_TRUE; + } + + symbol->SizeOfStruct = sizeof(SYMBOL_INFO); + symbol->MaxNameLen = MAX_SYM_NAME; + if (SymFromAddr(process, address, NULL, symbol)) { + have_symbol_name = GRN_TRUE; + } + + line.SizeOfStruct = sizeof(IMAGEHLP_LINE64); + if (SymGetLineFromAddr64(process, address, &line_displacement, &line)) { + have_location = GRN_TRUE; + } + + { + const char *unknown = "(unknown)"; + GRN_LOG(ctx, GRN_LOG_CRIT, + "%s:%d:%d: %p: %.*s(): <%s>: <%s>", + (have_location ? line.FileName : unknown), + (have_location ? line.LineNumber : -1), + (have_location ? line_displacement : -1), + address, + (have_symbol_name ? symbol->NameLen : strlen(unknown)), + (have_symbol_name ? symbol->Name : unknown), + (have_module_name ? module.ModuleName : unknown), + (have_module_name ? module.ImageName : unknown)); + } + + previous_address = address; + } + + return EXCEPTION_CONTINUE_SEARCH; +} +#elif defined(HAVE_SIGNAL_H) /* WIN32 */ static int segv_received = 0; static void segv_handler(int signal_number, siginfo_t *info, void *context) @@ -1584,7 +1698,7 @@ segv_handler(int signal_number, siginfo_t *info, void *context) segv_received = 1; GRN_LOG(ctx, GRN_LOG_CRIT, "-- CRASHED!!! --"); -#ifdef HAVE_BACKTRACE +# ifdef HAVE_BACKTRACE # define N_TRACE_LEVEL 1024 { static void *trace[N_TRACE_LEVEL]; @@ -1599,19 +1713,21 @@ segv_handler(int signal_number, siginfo_t *info, void *context) free(symbols); } } -#else /* HAVE_BACKTRACE */ +# else /* HAVE_BACKTRACE */ GRN_LOG(ctx, GRN_LOG_CRIT, "backtrace() isn't available."); -#endif /* HAVE_BACKTRACE */ +# endif /* HAVE_BACKTRACE */ GRN_LOG(ctx, GRN_LOG_CRIT, "----------------"); abort(); } -#endif /* defined(HAVE_SIGNAL_H) && !defined(WIN32) */ +#endif /* WIN32 */ grn_rc grn_set_segv_handler(void) { grn_rc rc = GRN_SUCCESS; -#if defined(HAVE_SIGNAL_H) && !defined(WIN32) +#ifdef WIN32 + SetUnhandledExceptionFilter(exception_filter); +#elif defined(HAVE_SIGNAL_H) /* WIN32 */ grn_ctx *ctx = &grn_gctx; struct sigaction action; @@ -1623,7 +1739,7 @@ grn_set_segv_handler(void) SERR("failed to set SIGSEGV action"); rc = ctx->rc; }; -#endif +#endif /* WIN32 */ return rc; } -------------- next part -------------- HTML����������������������������... 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