2026-06-30_18_19 缓存

main.cpp

@@ -1,3 +1,8 @@
+#define _GNU_SOURCE         // 必须放在所有头文件之前
+#include <link.h>           // dl_iterate_phdr 的声明
+#include <dlfcn.h>          // dladdr 等
+#include <execinfo.h>       // backtrace
+
 #include <QApplication>
 #include <QVBoxLayout>
 #include <InputMethod.h>
@@ -20,6 +25,103 @@
 #include "mainwidget.h"
 #include "InkJetPrinter.h"
 #include "Log/filelogger.h"
+
+#include <iostream>
+#include <fstream>
+#include <signal.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <cxxabi.h>
+#include <cstdlib>
+#include <cstdio>
+#include <execinfo.h>
+
+QString gAppNameStr = "";//这是个全局变量，用于后续获取当前运行程序的绝对路径
+
+// 全局变量保存基址
+static uintptr_t g_base_address = 0;
+
+// 回调函数：找到当前可执行文件的基址
+static int find_base_address(struct dl_phdr_info *info, size_t size, void *data) {
+    // 检查是否是主程序（第一个加载的通常是主程序）
+    if (info->dlpi_name == nullptr || info->dlpi_name[0] == '\0') {
+        // 获取第一个段的加载地址（通常是基址）
+        g_base_address = info->dlpi_addr;
+        return 1; // 停止遍历
+    }
+    return 0; // 继续遍历
+}
+
+// 获取程序基址的函数
+uintptr_t get_base_address() {
+    if (g_base_address == 0) {
+        dl_iterate_phdr(find_base_address, nullptr);
+    }
+    return g_base_address;
+}
+
+void createStackTraceFile(const char *fileName, const char *appName) 
+{
+    std::ofstream file(fileName);
+    if (!file.is_open()) {
+        std::cerr << "Error opening file: " << fileName << std::endl;
+        return;
+    }
+    
+    void *array[100];
+    size_t size;
+    char **strings;
+    
+    size = backtrace(array, 100);
+    if (size == 0) {
+        std::cerr << "No stack frames obtained" << std::endl;
+        return;
+    }
+    
+    // 获取程序基址（PIE需要）
+    uintptr_t base_addr = get_base_address();
+    
+    strings = backtrace_symbols(array, size);
+    file << "Stack trace info:\n";
+    file << "Base address: 0x" << std::hex << base_addr << std::dec << "\n\n";
+    
+    for (size_t i = 0; i < size; ++i) {
+        file << strings[i] << std::endl;
+        
+        // 计算偏移地址：实际地址 - 基址
+        uintptr_t addr = reinterpret_cast<uintptr_t>(array[i]);
+        uintptr_t offset = addr - base_addr;
+        
+        char cmd[512];
+        // 使用偏移地址而不是实际地址
+        snprintf(cmd, sizeof(cmd), "addr2line -e %s 0x%lx", appName, offset);
+        
+        FILE *fp = popen(cmd, "r");
+        if (fp) {
+            char line[256];
+            while (fgets(line, sizeof(line), fp)) {
+                file << "  " << line;  // 缩进显示更清晰
+            }
+            pclose(fp);
+        } else {
+            std::cerr << "Failed to run addr2line command" << std::endl;
+        }
+        file << std::endl;
+    }
+    
+    free(strings);
+    file.close();
+}
+
+void signalHandler(int signum) 
+{
+    // 直接指定固定的路径
+    QString dumpFileName = "/home/plg/doc/dumpfile.txt";
+    QString appName = gAppNameStr;
+    createStackTraceFile(dumpFileName.toUtf8().data(), appName.toUtf8().data());
+    exit(signum);
+}
+
 //#define SYS_CN
 
 /*
@@ -72,6 +174,12 @@ int main(int argc, char *argv[])
 
     QApplication a(argc, argv);
 
+    gAppNameStr = QString::fromUtf8(argv[0]);
+    signal(SIGSEGV, signalHandler);
+    signal(SIGABRT, signalHandler);
+    signal(SIGILL, signalHandler);
+    signal(SIGFPE, signalHandler);
+
     // 配置日志
     QString configFileName = ":/conf/config.ini";
     QSettings* logSettings = new QSettings(configFileName, QSettings::IniFormat, &a);