177 lines
5.5 KiB
Text
177 lines
5.5 KiB
Text
/*************************************************************************/
|
|
/* crash_handler_osx.mm */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#include "core/project_settings.h"
|
|
#include "main/main.h"
|
|
#include "os_osx.h"
|
|
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#if defined(DEBUG_ENABLED)
|
|
#define CRASH_HANDLER_ENABLED 1
|
|
#endif
|
|
|
|
#ifdef CRASH_HANDLER_ENABLED
|
|
#include <cxxabi.h>
|
|
#include <dlfcn.h>
|
|
#include <execinfo.h>
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <mach-o/dyld.h>
|
|
#include <mach-o/getsect.h>
|
|
|
|
static uint64_t load_address() {
|
|
const struct segment_command_64 *cmd = getsegbyname("__TEXT");
|
|
char full_path[1024];
|
|
uint32_t size = sizeof(full_path);
|
|
|
|
if (cmd && !_NSGetExecutablePath(full_path, &size)) {
|
|
uint32_t dyld_count = _dyld_image_count();
|
|
for (uint32_t i = 0; i < dyld_count; i++) {
|
|
const char *image_name = _dyld_get_image_name(i);
|
|
if (image_name && strncmp(image_name, full_path, 1024) == 0) {
|
|
return cmd->vmaddr + _dyld_get_image_vmaddr_slide(i);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void handle_crash(int sig) {
|
|
if (OS::get_singleton() == NULL) {
|
|
abort();
|
|
}
|
|
|
|
void *bt_buffer[256];
|
|
size_t size = backtrace(bt_buffer, 256);
|
|
String _execpath = OS::get_singleton()->get_executable_path();
|
|
String msg = GLOBAL_GET("debug/settings/crash_handler/message");
|
|
|
|
// Dump the backtrace to stderr with a message to the user
|
|
fprintf(stderr, "%s: Program crashed with signal %d\n", __FUNCTION__, sig);
|
|
|
|
if (OS::get_singleton()->get_main_loop())
|
|
OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_CRASH);
|
|
|
|
fprintf(stderr, "Dumping the backtrace. %ls\n", msg.c_str());
|
|
char **strings = backtrace_symbols(bt_buffer, size);
|
|
if (strings) {
|
|
void *load_addr = (void *)load_address();
|
|
|
|
for (int i = 1; i < size; i++) {
|
|
char fname[1024];
|
|
Dl_info info;
|
|
|
|
snprintf(fname, 1024, "%s", strings[i]);
|
|
|
|
// Try to demangle the function name to provide a more readable one
|
|
if (dladdr(bt_buffer[i], &info) && info.dli_sname) {
|
|
if (info.dli_sname[0] == '_') {
|
|
int status;
|
|
char *demangled = abi::__cxa_demangle(info.dli_sname, NULL, 0, &status);
|
|
|
|
if (status == 0 && demangled) {
|
|
snprintf(fname, 1024, "%s", demangled);
|
|
}
|
|
|
|
if (demangled)
|
|
free(demangled);
|
|
}
|
|
}
|
|
|
|
String output = fname;
|
|
|
|
// Try to get the file/line number using atos
|
|
if (bt_buffer[i] > (void *)0x0 && OS::get_singleton()) {
|
|
List<String> args;
|
|
char str[1024];
|
|
|
|
args.push_back("-o");
|
|
args.push_back(_execpath);
|
|
args.push_back("-arch");
|
|
args.push_back("x86_64");
|
|
args.push_back("-l");
|
|
snprintf(str, 1024, "%p", load_addr);
|
|
args.push_back(str);
|
|
snprintf(str, 1024, "%p", bt_buffer[i]);
|
|
args.push_back(str);
|
|
|
|
int ret;
|
|
String out = "";
|
|
Error err = OS::get_singleton()->execute(String("atos"), args, true, NULL, &out, &ret);
|
|
if (err == OK && out.substr(0, 2) != "0x") {
|
|
out.erase(out.length() - 1, 1);
|
|
output = out;
|
|
}
|
|
}
|
|
|
|
fprintf(stderr, "[%d] %ls\n", i, output.c_str());
|
|
}
|
|
|
|
free(strings);
|
|
}
|
|
fprintf(stderr, "-- END OF BACKTRACE --\n");
|
|
|
|
// Abort to pass the error to the OS
|
|
abort();
|
|
}
|
|
#endif
|
|
|
|
CrashHandler::CrashHandler() {
|
|
disabled = false;
|
|
}
|
|
|
|
CrashHandler::~CrashHandler() {
|
|
disable();
|
|
}
|
|
|
|
void CrashHandler::disable() {
|
|
if (disabled)
|
|
return;
|
|
|
|
#ifdef CRASH_HANDLER_ENABLED
|
|
signal(SIGSEGV, NULL);
|
|
signal(SIGFPE, NULL);
|
|
signal(SIGILL, NULL);
|
|
#endif
|
|
|
|
disabled = true;
|
|
}
|
|
|
|
void CrashHandler::initialize() {
|
|
#ifdef CRASH_HANDLER_ENABLED
|
|
signal(SIGSEGV, handle_crash);
|
|
signal(SIGFPE, handle_crash);
|
|
signal(SIGILL, handle_crash);
|
|
#endif
|
|
}
|