Added a crash reporter

CMakeLists.txt

@@ -100,6 +100,9 @@ target_compile_definitions(Hyprland PRIVATE "-DGIT_BRANCH=\"${GIT_BRANCH}\"")
 target_compile_definitions(Hyprland PRIVATE "-DGIT_COMMIT_MESSAGE=\"${GIT_COMMIT_MESSAGE}\"")
 target_compile_definitions(Hyprland PRIVATE "-DGIT_DIRTY=\"${GIT_DIRTY}\"")
 
+ADD_LINK_OPTIONS( -rdynamic )
+SET(CMAKE_ENABLE_EXPORTS TRUE)
+
 target_link_libraries(Hyprland rt)
 
 set(CPACK_PROJECT_NAME ${PROJECT_NAME})

src/Compositor.cpp

@@ -2,6 +2,7 @@
 #include "helpers/Splashes.hpp"
 #include <random>
 #include "debug/HyprCtl.hpp"
+#include "debug/CrashReporter.hpp"
 #ifdef USES_SYSTEMD
 #include <systemd/sd-daemon.h> // for sd_notify
 #endif
@@ -16,6 +17,11 @@ int handleCritSignal(int signo, void* data) {
     return 0; // everything went fine
 }
 
+void handleSegv(int sig) {
+    CrashReporter::createAndSaveCrash();
+    exit(SIGSEGV);
+}
+
 CCompositor::CCompositor() {
     wlr_log_init(WLR_INFO, NULL);
 
@@ -61,6 +67,7 @@ CCompositor::CCompositor() {
 
     // register crit signal handler
     wl_event_loop_add_signal(m_sWLEventLoop, SIGTERM, handleCritSignal, nullptr);
+    signal(SIGSEGV, handleSegv);
     //wl_event_loop_add_signal(m_sWLEventLoop, SIGINT, handleCritSignal, nullptr);
 
     m_sWLRBackend = wlr_backend_autocreate(m_sWLDisplay, &m_sWLRSession);

src/debug/CrashReporter.cpp

@@ -0,0 +1,93 @@
+#include "CrashReporter.hpp"
+#include <random>
+#include <sys/utsname.h>
+#include <execinfo.h>
+#include <fstream>
+
+std::string getRandomMessage() {
+
+    const std::vector<std::string>  MESSAGES = {"Sorry, didn't mean to...",
+                                               "This was an accident, I swear!",
+                                               "Calm down, it was a misinput! MISINPUT!",
+                                               "Oops",
+                                               "Vaxry is going to be upset.",
+                                               "Who tried dividing by zero?!",
+                                               "Maybe you should try dusting your PC in the meantime?",
+                                               "I tried so hard, and got so far...",
+                                               "I don't feel so good...",
+                                               "*thud*",
+                                               "Well this is awkward.",
+                                               "\"stable\"",
+                                               "I hope you didn't have any unsaved progress."};
+
+    std::random_device              dev;
+    std::mt19937                    engine(dev());
+    std::uniform_int_distribution<> distribution(0, MESSAGES.size() - 1);
+
+    return MESSAGES[distribution(engine)];
+}
+
+void CrashReporter::createAndSaveCrash() {
+
+    // get the backtrace
+    const int   PID = getpid();
+
+    std::string finalCrashReport = "";
+
+    finalCrashReport += "--------------------------------------------\n   Hyprland Crash Log\n--------------------------------------------\n";
+    finalCrashReport += getRandomMessage() + "\n\n";
+
+    finalCrashReport += "Hyprland received signal 11 (SIGSEGV): Segmentation Fault\n\n";
+
+    finalCrashReport += "System info:\n";
+
+    struct utsname unameInfo;
+    uname(&unameInfo);
+
+    finalCrashReport +=
+        getFormat("\tSystem name: %s\n\tNode name: %s\n\tRelease: %s\n\tVersion: %s\n\n", unameInfo.sysname, unameInfo.nodename, unameInfo.release, unameInfo.version);
+
+    const std::string GPUINFO = execAndGet("lspci -vnn | grep VGA");
+
+    finalCrashReport += "GPU:\n\t" + GPUINFO;
+
+    finalCrashReport += getFormat("\n\nos-release:\n\t%s\n\n\n", replaceInString(execAndGet("cat /etc/os-release"), "\n", "\n\t").c_str());
+
+    finalCrashReport += "Backtrace:\n";
+
+    void*  bt[1024];
+    size_t btSize;
+    char** btSymbols;
+
+    btSize    = backtrace(bt, 1024);
+    btSymbols = backtrace_symbols(bt, btSize);
+
+    for (size_t i = 0; i < btSize; ++i) {
+        finalCrashReport += getFormat("\t#%i | %s\n", i, btSymbols[i]);
+
+        std::string btSymbol = btSymbols[i];
+        size_t      hlPos    = 0;
+        while (btSymbol.find("Hyprland", hlPos + 1) != std::string::npos) {
+            hlPos = btSymbol.find("Hyprland", hlPos + 1);
+        }
+
+        if (hlPos != 0) {
+            const auto CMD       = getFormat("addr2line -e %s -f 0x%lx", btSymbol.substr(0, hlPos + 8).c_str(), (uint64_t)bt[i]);
+            const auto ADDR2LINE = replaceInString(execAndGet(CMD.c_str()), "\n", "\n\t\t");
+            finalCrashReport += "\t\t" + ADDR2LINE.substr(0, ADDR2LINE.length() - 2);
+        }
+    }
+
+    free(btSymbols);
+
+    const auto HOME = getenv("HOME");
+
+    if (!HOME)
+        return;
+
+    std::ofstream ofs(std::string(HOME) + "/.hyprlandDump" + std::to_string(PID), std::ios::trunc);
+
+    ofs << finalCrashReport;
+
+    ofs.close();
+}

src/debug/CrashReporter.hpp

@@ -0,0 +1,7 @@
+#pragma once
+
+#include "../defines.hpp"
+
+namespace CrashReporter {
+    void createAndSaveCrash();
+};

src/helpers/MiscFunctions.cpp

@@ -550,3 +550,12 @@ double normalizeAngleRad(double ang) {
 
     return ang;
 }
+
+std::string replaceInString(std::string subject, const std::string& search, const std::string& replace) {
+    size_t pos = 0;
+    while ((pos = subject.find(search, pos)) != std::string::npos) {
+        subject.replace(pos, search.length(), replace);
+        pos += replace.length();
+    }
+    return subject;
+}

src/helpers/MiscFunctions.hpp

@@ -16,9 +16,7 @@ void        logSystemInfo();
 std::string execAndGet(const char*);
 int64_t     getPPIDof(int64_t pid);
 int64_t     configStringToInt(const std::string&);
-
 float       getPlusMinusKeywordResult(std::string in, float relative);
-
 void        matrixProjection(float mat[9], int w, int h, wl_output_transform tr);
-
 double      normalizeAngleRad(double ang);
+std::string replaceInString(std::string subject, const std::string& search, const std::string& replace);