Add backtrace symbolizer/line number getter

CMakeLists.txt

@@ -85,11 +85,9 @@ endif()
 configure_file(include/config.h.in ${CMAKE_SOURCE_DIR}/include/config.h @ONLY)
 configure_file(include/version.h.in ${CMAKE_SOURCE_DIR}/include/version.h @ONLY)
 
-#set_target_properties(cathook PROPERTIES COMPILE_FLAGS "-m32 -msse -msse2 -msse3 -fexceptions" LINK_FLAGS "-m32 -fno-gnu-unique -fexceptions -DNDEBUG")
-set(CMAKE_CXX_FLAGS "-m32 -msse -msse2 -msse3 -fexceptions -fno-gnu-unique -DNDEBUG")
-set(CMAKE_CXX_FLAGS_DEBUG "-Og -rdynamic -ggdb")
-set(CMAKE_CXX_FLAGS_RELEASE "-O3")
-
+set(CMAKE_CXX_FLAGS "-m32 -msse -msse2 -msse3 -fexceptions -fno-gnu-unique -DNDEBUG -Og -rdynamic -ggdb")
+set(CMAKE_CXX_FLAGS_DEBUG "")
+set(CMAKE_CXX_FLAGS_RELEASE "")
 
 target_compile_definitions(cathook PRIVATE
         _GLIBCXX_USE_CXX11_ABI=0
@@ -136,3 +134,10 @@ add_subdirectory(external)
 
 add_custom_command(TARGET cathook POST_BUILD
         COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:cathook> "${CMAKE_SOURCE_DIR}/bin/$<TARGET_FILE_NAME:cathook>")
+
+# Strip
+if(CMAKE_BUILD_TYPE STREQUAL "Release")
+    message("Stripping info from library")
+    add_custom_command(TARGET cathook POST_BUILD
+    COMMAND strip --strip-all "${CMAKE_SOURCE_DIR}/bin/$<TARGET_FILE_NAME:cathook>")
+endif()

src/hack.cpp

@@ -98,7 +98,7 @@ void hack::ExecuteCommand(const std::string command)
     hack::command_stack().push(command);
 }
 
-void my_signal_handler(int signum)
+void critical_error_handler(int signum)
 {
     namespace st = boost::stacktrace;
     ::signal(signum, SIG_DFL);
@@ -110,7 +110,7 @@ void my_signal_handler(int signum)
     Dl_info info;
     if (!dladdr(reinterpret_cast<void *>(SetCanshootStatus), &info))
         return;
-    unsigned int baseaddr = (unsigned int) info.dli_fbase;
+    unsigned int baseaddr = (unsigned int) info.dli_fbase - 1;
 
     for (auto i : st::stacktrace())
     {
@@ -127,7 +127,7 @@ void my_signal_handler(int signum)
         {
             int status = -4;
             char *realname =
-                abi::__cxa_demangle(info2.dli_sname, 0, 0, &status);
+                abi::__cxa_demangle(info2.dli_sname, nullptr, nullptr, &status);
             if (status == 0)
             {
                 out << realname << std::endl;
@@ -137,7 +137,7 @@ void my_signal_handler(int signum)
                 out << info2.dli_sname << std::endl;
         }
         else
-            out << "Not found!" << std ::endl;
+            out << "No Symbol" << std ::endl;
     }
 
     out.close();
@@ -146,7 +146,7 @@ void my_signal_handler(int signum)
 
 void hack::Initialize()
 {
-    ::signal(SIGSEGV, &my_signal_handler);
+    ::signal(SIGSEGV, &critical_error_handler);
     //::signal(SIGABRT, &my_signal_handler);
     time_injected = time(nullptr);
 /*passwd *pwd   = getpwuid(getuid());

symbolize-crash-log

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+BACKTRACEFILE=$(ls -t1 /tmp | grep "cathook-$USER-.*-segfault.log" |  head -n 1)
+echo "$BACKTRACEFILE"
+
+unknown=0
+
+while read p; do
+    out=$(addr2line $(echo $p | cut -f 1 -d " ") -pCe ./build/bin/libcathook.so)
+    if [ $out != "??:0" ] && [ $out != "??:?" ]; then
+        if [ $unknown -gt 0 ]; then
+            echo "${unknown}x Unknown"
+            unknown=0
+        fi
+        echo "$out"
+    else
+        unknown=$(($unknown + 1))
+    fi
+done <"/tmp/$BACKTRACEFILE"
+
+if [ $unknown -gt 0 ]; then
+    echo "${unknown}x Unknown"
+fi