From dc4435d4be5c093f6eea5fcdd9195c717ab09c13 Mon Sep 17 00:00:00 2001
From: taynpg <taynpg@163.com>
Date: Tue, 15 Apr 2025 21:51:09 +0800
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diff --git a/cpp/崩溃堆栈打印.txt b/cpp/崩溃堆栈打印.txt
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+《Linux部分》
+【Debug模式】
+测试：https://github.com/bombela/backward-cpp
+尽头文件，配合#define BACKWARD_HAS_BFD 1和sudo apt install binutils-dev
+可以实现Debug下精准找点。
+也有apt-get install libdw-dev(#define BACKWARD_HAS_DW 1)和
+apt-get install libdwarf-dev(#define BACKWARD_HAS_DWARF 1)这两个没测试。
+
+使用方法为：
+#define BACKWARD_HAS_BFD 1
+#include "backward.hpp"
+#include <csignal>
+#include <iostream>
+#include <thread>
+#include <fstream>
+
+void sig_handler(int sig)
+{
+    backward::StackTrace st;
+    st.load_here(32);
+    backward::Printer p;
+    p.print(st);
+
+    std::ofstream fs("stacktrace.log");
+    p.print(st, fs); 
+    fs.close();
+
+    exit(1);
+}
+
+void th_sim()
+{
+    std::this_thread::sleep_for(std::chrono::seconds(5));
+    // throw "Erro Auto";
+    int* p = nullptr;
+    *p = 33;
+}
+
+int main()
+{
+    signal(SIGSEGV, sig_handler);
+    signal(SIGABRT, sig_handler);
+    signal(SIGFPE, sig_handler);
+
+    std::thread t(th_sim);
+    std::cout << "Done" << std::endl;
+    t.join();
+    return 0;
+}
+
+编译链接：target_link_libraries(dmeo PRIVATE bfd dl)
+
+《Windows部分》
+【Debug模式】
+#include "backward.hpp"
+#include <windows.h>
+使用方法：
+
+LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS* exception)
+{
+    backward::StackTrace st;
+    st.load_from(exception->ContextRecord);
+    backward::Printer p;
+
+    // 输出到控制台
+    p.print(st, std::cerr);
+
+    // 输出到文件
+    std::ofstream fs("stacktrace.log");
+    p.print(st, fs);
+    fs.close();
+
+    return EXCEPTION_EXECUTE_HANDLER;   // 终止程序
+}
+
+显示初始化：backward::SignalHandling sh;而且必须在SetUnhandledExceptionFilter(ExceptionHandler); 后面。
+
+如下：
+#include <iostream>
+#include <thread>
+#include "backward.hpp"
+#include <windows.h>
+
+using namespace std;
+
+LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS* exception)
+{
+    backward::StackTrace st;
+    st.load_from(exception->ContextRecord);
+    backward::Printer p;
+
+    // 输出到控制台
+    p.print(st, std::cerr);
+
+    // 输出到文件
+    std::ofstream fs("stacktrace.log");
+    p.print(st, fs);
+    fs.close();
+
+    return EXCEPTION_EXECUTE_HANDLER;   // 终止程序
+}
+
+void th_sim()
+{
+    std::this_thread::sleep_for(std::chrono::seconds(5));
+    // throw "Erro Auto";
+    int* p = nullptr;
+    *p = 33;
+}
+
+int main()
+{
+    SetUnhandledExceptionFilter(ExceptionHandler);   // 注册全局异常处理
+    backward::SignalHandling sh;
+    // std::set_terminate(terminate_handler);
+    std::thread t(th_sim);
+    std::cout << "Done" << std::endl;
+    t.join();
+    return 0;
+}
+编译链接：
+target_link_libraries(dumpdemo PRIVATE DbgHelp)
\ No newline at end of file