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/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "test/core/util/test_config.h"
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#include <grpc/support/log.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "src/core/lib/support/string.h"
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double g_fixture_slowdown_factor = 1.0;
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#if GPR_GETPID_IN_UNISTD_H
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#include <unistd.h>
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static unsigned seed(void) { return (unsigned)getpid(); }
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#endif
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#if GPR_GETPID_IN_PROCESS_H
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#include <process.h>
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static unsigned seed(void) { return (unsigned)_getpid(); }
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#endif
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#if GPR_WINDOWS_CRASH_HANDLER
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#include <windows.h>
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#include <tchar.h>
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// disable warning 4091 - dbghelp.h is broken for msvc2015
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#pragma warning(disable : 4091)
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#define DBGHELP_TRANSLATE_TCHAR
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#include <dbghelp.h>
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#ifdef _MSC_VER
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#pragma comment(lib, "dbghelp.lib")
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#endif
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static void print_current_stack() {
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typedef USHORT(WINAPI * CaptureStackBackTraceType)(
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__in ULONG, __in ULONG, __out PVOID *, __out_opt PULONG);
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CaptureStackBackTraceType func = (CaptureStackBackTraceType)(GetProcAddress(
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LoadLibrary(_T("kernel32.dll")), "RtlCaptureStackBackTrace"));
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if (func == NULL) return; // WOE 29.SEP.2010
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// Quote from Microsoft Documentation:
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// ## Windows Server 2003 and Windows XP:
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// ## The sum of the FramesToSkip and FramesToCapture parameters must be less
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// than 63.
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#define MAX_CALLERS 62
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void *callers_stack[MAX_CALLERS];
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unsigned short frames;
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SYMBOL_INFOW *symbol;
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HANDLE process;
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process = GetCurrentProcess();
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SymInitialize(process, NULL, TRUE);
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frames = (func)(0, MAX_CALLERS, callers_stack, NULL);
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symbol =
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(SYMBOL_INFOW *)calloc(sizeof(SYMBOL_INFOW) + 256 * sizeof(wchar_t), 1);
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symbol->MaxNameLen = 255;
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symbol->SizeOfStruct = sizeof(SYMBOL_INFOW);
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const unsigned short MAX_CALLERS_SHOWN = 32;
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frames = frames < MAX_CALLERS_SHOWN ? frames : MAX_CALLERS_SHOWN;
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for (unsigned int i = 0; i < frames; i++) {
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SymFromAddrW(process, (DWORD64)(callers_stack[i]), 0, symbol);
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fwprintf(stderr, L"*** %d: %016I64X %ls - %016I64X\n", i,
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(DWORD64)callers_stack[i], symbol->Name, (DWORD64)symbol->Address);
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fflush(stderr);
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}
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free(symbol);
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}
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static void print_stack_from_context(CONTEXT c) {
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STACKFRAME s; // in/out stackframe
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memset(&s, 0, sizeof(s));
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DWORD imageType;
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#ifdef _M_IX86
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// normally, call ImageNtHeader() and use machine info from PE header
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imageType = IMAGE_FILE_MACHINE_I386;
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s.AddrPC.Offset = c.Eip;
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s.AddrPC.Mode = AddrModeFlat;
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s.AddrFrame.Offset = c.Ebp;
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s.AddrFrame.Mode = AddrModeFlat;
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s.AddrStack.Offset = c.Esp;
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s.AddrStack.Mode = AddrModeFlat;
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#elif _M_X64
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imageType = IMAGE_FILE_MACHINE_AMD64;
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s.AddrPC.Offset = c.Rip;
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s.AddrPC.Mode = AddrModeFlat;
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s.AddrFrame.Offset = c.Rsp;
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s.AddrFrame.Mode = AddrModeFlat;
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s.AddrStack.Offset = c.Rsp;
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s.AddrStack.Mode = AddrModeFlat;
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#elif _M_IA64
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imageType = IMAGE_FILE_MACHINE_IA64;
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s.AddrPC.Offset = c.StIIP;
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s.AddrPC.Mode = AddrModeFlat;
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s.AddrFrame.Offset = c.IntSp;
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s.AddrFrame.Mode = AddrModeFlat;
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s.AddrBStore.Offset = c.RsBSP;
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s.AddrBStore.Mode = AddrModeFlat;
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s.AddrStack.Offset = c.IntSp;
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s.AddrStack.Mode = AddrModeFlat;
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#else
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#error "Platform not supported!"
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#endif
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HANDLE process = GetCurrentProcess();
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HANDLE thread = GetCurrentThread();
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SYMBOL_INFOW *symbol =
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(SYMBOL_INFOW *)calloc(sizeof(SYMBOL_INFOW) + 256 * sizeof(wchar_t), 1);
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symbol->MaxNameLen = 255;
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symbol->SizeOfStruct = sizeof(SYMBOL_INFOW);
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while (StackWalk(imageType, process, thread, &s, &c, 0,
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SymFunctionTableAccess, SymGetModuleBase, 0)) {
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BOOL has_symbol =
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SymFromAddrW(process, (DWORD64)(s.AddrPC.Offset), 0, symbol);
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fwprintf(
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stderr, L"*** %016I64X %ls - %016I64X\n", (DWORD64)(s.AddrPC.Offset),
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has_symbol ? symbol->Name : L"<<no symbol>>", (DWORD64)symbol->Address);
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fflush(stderr);
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}
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free(symbol);
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}
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static LONG crash_handler(struct _EXCEPTION_POINTERS *ex_info) {
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fprintf(stderr, "Exception handler called, dumping information\n");
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bool try_to_print_stack = true;
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PEXCEPTION_RECORD exrec = ex_info->ExceptionRecord;
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while (exrec) {
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DWORD code = exrec->ExceptionCode;
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DWORD flgs = exrec->ExceptionFlags;
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PVOID addr = exrec->ExceptionAddress;
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if (code == EXCEPTION_STACK_OVERFLOW) try_to_print_stack = false;
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fprintf(stderr, "code: %x - flags: %d - address: %p\n", code, flgs, addr);
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exrec = exrec->ExceptionRecord;
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}
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if (try_to_print_stack) {
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print_stack_from_context(*ex_info->ContextRecord);
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}
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if (IsDebuggerPresent()) {
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__debugbreak();
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} else {
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_exit(1);
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}
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return EXCEPTION_EXECUTE_HANDLER;
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}
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static void abort_handler(int sig) {
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fprintf(stderr, "Abort handler called.\n");
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print_current_stack(NULL);
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if (IsDebuggerPresent()) {
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__debugbreak();
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} else {
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_exit(1);
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}
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}
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static void install_crash_handler() {
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if (!SymInitialize(GetCurrentProcess(), NULL, TRUE)) {
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fprintf(stderr, "SymInitialize failed: %d\n", GetLastError());
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}
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SetUnhandledExceptionFilter((LPTOP_LEVEL_EXCEPTION_FILTER)crash_handler);
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_set_abort_behavior(0, _WRITE_ABORT_MSG);
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_set_abort_behavior(0, _CALL_REPORTFAULT);
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signal(SIGABRT, abort_handler);
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}
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#elif GPR_POSIX_CRASH_HANDLER
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#include <errno.h>
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#include <execinfo.h>
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#include <grpc/support/useful.h>
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#include <stdio.h>
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#include <string.h>
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static char g_alt_stack[GPR_MAX(MINSIGSTKSZ, 65536)];
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#define MAX_FRAMES 32
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/* signal safe output */
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static void output_string(const char *string) {
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size_t len = strlen(string);
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ssize_t r;
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do {
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r = write(STDERR_FILENO, string, len);
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} while (r == -1 && errno == EINTR);
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}
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static void output_num(long num) {
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char buf[GPR_LTOA_MIN_BUFSIZE];
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gpr_ltoa(num, buf);
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output_string(buf);
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}
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static void crash_handler(int signum, siginfo_t *info, void *data) {
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void *addrlist[MAX_FRAMES + 1];
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int addrlen;
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output_string("\n\n\n*******************************\nCaught signal ");
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output_num(signum);
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output_string("\n");
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addrlen = backtrace(addrlist, GPR_ARRAY_SIZE(addrlist));
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if (addrlen == 0) {
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output_string(" no backtrace\n");
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} else {
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backtrace_symbols_fd(addrlist, addrlen, STDERR_FILENO);
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}
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/* try to get a core dump for SIGTERM */
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if (signum == SIGTERM) signum = SIGQUIT;
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raise(signum);
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}
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static void install_crash_handler() {
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stack_t ss;
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struct sigaction sa;
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memset(&ss, 0, sizeof(ss));
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memset(&sa, 0, sizeof(sa));
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ss.ss_size = sizeof(g_alt_stack);
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ss.ss_sp = g_alt_stack;
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GPR_ASSERT(sigaltstack(&ss, NULL) == 0);
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sa.sa_flags = (int)(SA_SIGINFO | SA_ONSTACK | SA_RESETHAND);
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sa.sa_sigaction = crash_handler;
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GPR_ASSERT(sigaction(SIGILL, &sa, NULL) == 0);
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GPR_ASSERT(sigaction(SIGABRT, &sa, NULL) == 0);
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GPR_ASSERT(sigaction(SIGBUS, &sa, NULL) == 0);
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GPR_ASSERT(sigaction(SIGSEGV, &sa, NULL) == 0);
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GPR_ASSERT(sigaction(SIGTERM, &sa, NULL) == 0);
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GPR_ASSERT(sigaction(SIGQUIT, &sa, NULL) == 0);
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}
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#else
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static void install_crash_handler() {}
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#endif
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void grpc_test_init(int argc, char **argv) {
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install_crash_handler();
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gpr_log(GPR_DEBUG, "test slowdown: machine=%f build=%f total=%f",
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(double)GRPC_TEST_SLOWDOWN_MACHINE_FACTOR,
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(double)GRPC_TEST_SLOWDOWN_BUILD_FACTOR,
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(double)GRPC_TEST_SLOWDOWN_FACTOR);
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/* seed rng with pid, so we don't end up with the same random numbers as a
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concurrently running test binary */
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srand(seed());
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}
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