'Generic Commit'

tests/ipdemo/src/assert.hpp

@@ -4,7 +4,7 @@
 #include <string_view>
 #include <source_location>
 #include <cxxabi.h>
-#include <libunwind.h>
+// execinfo.h not available in Alpine Linux - using alternative approach
 #include <dlfcn.h>
 #include <cstring>
 #include <memory>
@@ -13,6 +13,7 @@
 #include <cstdlib>
 #include <cstring>
 #include <unistd.h>
+#include <vector>
 
 // ANSI color codes
 namespace colors {
@@ -72,12 +73,21 @@ std::vector<SourceInfo> get_source_info_batch(const char* executable, const std:
         // Demangle function name
         int status = 0;
         char* demangled = abi::__cxa_demangle(buffer, nullptr, nullptr, &status);
+        std::string func_name;
         if (demangled) {
-            results[current_frame].function = demangled;
+            func_name = demangled;
             free(demangled);
         } else {
-            results[current_frame].function = buffer;
+            func_name = buffer;
         }
+        
+        // Simplify function signature: replace argument list with (...)
+        size_t paren_pos = func_name.find('(');
+        if (paren_pos != std::string::npos) {
+            func_name = func_name.substr(0, paren_pos) + "(...)";
+        }
+        
+        results[current_frame].function = func_name;
 
         // Read file and line number
         if (fgets(buffer, sizeof(buffer), pipe)) {
@@ -100,14 +110,10 @@ std::vector<SourceInfo> get_source_info_batch(const char* executable, const std:
 }
 
 void print_stacktrace() {
-    unw_cursor_t cursor;
-    unw_context_t context;
-    unw_word_t pc;
+    // Simple stacktrace implementation that doesn't segfault
+    std::cerr << colors::yellow << "Stack trace:" << colors::reset << "\n";
+    
     char exe_path[1024] = {0};
-    bool found_main = false;
-    std::vector<SourceInfo> frames;
-
-    // Get the path to the current executable
     ssize_t count = readlink("/proc/self/exe", exe_path, sizeof(exe_path) - 1);
     if (count == -1) {
         strcpy(exe_path, "[unknown]");
@@ -115,46 +121,37 @@ void print_stacktrace() {
         exe_path[count] = '\0';
     }
 
-    // Initialize cursor to current frame
-    unw_getcontext(&context);
-    unw_init_local(&cursor, &context);
-
-    // First pass: collect frames until we find main
+    // Get just a couple of stack frames safely
     std::vector<void*> addresses;
-    while (unw_step(&cursor) > 0) {
-        if (unw_get_reg(&cursor, UNW_REG_IP, &pc) != 0 || pc == 0) {
-            break;
-        }
-        addresses.push_back(reinterpret_cast<void*>(pc));
+    
+    void* addr1 = __builtin_return_address(1);  // assert_failed
+    void* addr2 = __builtin_return_address(2);  // caller of ASSERT
+    
+    // Adjust addresses to point to call site instead of return address
+    // Subtract a small offset to get the call instruction instead of the return address
+    if (addr1) {
+        addresses.push_back(static_cast<char*>(addr1) - 1);
+    }
+    if (addr2) {
+        addresses.push_back(static_cast<char*>(addr2) - 1);
+    }
+    
+    if (addresses.empty()) {
+        std::cerr << "  " << colors::red << "[no frames available]" << colors::reset << "\n";
+        return;
     }
 
-    // Get source info for all addresses in batch
+    // Get source info
     std::vector<SourceInfo> results = get_source_info_batch(exe_path, addresses);
     
-    // Process results and check for main
-    for (auto& info : results) {
-        // Stop collecting after main()
-        if (!info.function.empty() && 
-            (info.function.find("main") != std::string::npos || 
-             info.function.find("__libc_start_main") != std::string::npos)) {
-            found_main = true;
-            frames.push_back(info);
-            break;
-        }
-        frames.push_back(info);
-    }
-
-    // Print the collected frames in reverse order (most recent last)
-    std::cerr << colors::yellow << "Stack trace (most recent call last):" << colors::reset << "\n";
-    
-    for (size_t i = frames.size(); i-- > 0; ) {
-        const auto& frame = frames[i];
-        std::cerr << "  ";  // Indent each line
+    for (size_t i = 0; i < results.size(); ++i) {
+        const auto& frame = results[i];
+        std::cerr << "  ";
         
-        if (frame.function.empty()) {
-            std::cerr << colors::red << "[unknown function]" << colors::reset;
-        } else {
+        if (!frame.function.empty()) {
             std::cerr << colors::green << frame.function << colors::reset;
+        } else {
+            std::cerr << colors::red << "[unknown function]" << colors::reset;
         }
         
         if (!frame.file.empty() && frame.line > 0) {
@@ -164,20 +161,16 @@ void print_stacktrace() {
         
         std::cerr << "\n";
     }
-    
-    if (!found_main) {
-        std::cerr << "  " << colors::yellow << "[truncated - main() not found]" << colors::reset << "\n";
-    }
 }
 
 void assert_failed(
     bool condition,
     std::string_view message,
-    std::source_location location = std::source_location::current()
+    std::source_location location
 ) {
     if (!condition) {
-        std::cerr << "Assertion failed at " << location.file_name() << ":" << location.line() << ": " 
-                  << location.function_name() << ": " << message << "\n";
+        std::cerr << colors::red << "Assertion failed at " << location.file_name() << ":" << location.line() << ": " 
+                  << location.function_name() << ": " << message << colors::reset << "\n";
         print_stacktrace();
         std::abort();
     }