initial commit

libraries/FastLED/tests/crash_handler_execinfo.h

@@ -0,0 +1,61 @@
+#ifndef CRASH_HANDLER_EXECINFO_H
+#define CRASH_HANDLER_EXECINFO_H
+
+#ifdef USE_EXECINFO
+
+#include <execinfo.h>
+#include <csignal>
+#include <cstdio>
+#include <cstdlib>
+
+namespace crash_handler_execinfo {
+
+inline void print_stacktrace_execinfo() {
+    // Fallback to execinfo.h backtrace
+    void *buffer[100];
+    int nptrs;
+    char **strings;
+
+    printf("Stack trace (backtrace):\n");
+    nptrs = backtrace(buffer, 100);
+    strings = backtrace_symbols(buffer, nptrs);
+    
+    if (strings == nullptr) {
+        printf("backtrace_symbols failed\n");
+        return;
+    }
+
+    for (int j = 0; j < nptrs; j++) {
+        printf("#%-2d %s\n", j, strings[j]);
+    }
+
+    free(strings);
+}
+
+inline void crash_handler(int sig) {
+    fprintf(stderr, "Error: signal %d:\n", sig);
+    print_stacktrace_execinfo();
+    exit(1);
+}
+
+inline void setup_crash_handler() {
+    // Set up POSIX signal handlers
+    signal(SIGABRT, crash_handler);
+    signal(SIGFPE, crash_handler);
+    signal(SIGILL, crash_handler);
+    signal(SIGINT, crash_handler);
+    signal(SIGSEGV, crash_handler);
+    signal(SIGTERM, crash_handler);
+    
+    // execinfo.h backtrace is ready to use
+}
+
+inline void print_stacktrace() {
+    print_stacktrace_execinfo();
+}
+
+} // namespace crash_handler_execinfo
+
+#endif // USE_EXECINFO
+
+#endif // CRASH_HANDLER_EXECINFO_H