c_src: update for new ffi syntax

[nit.git] / c_src / nitg.main.1.c

diff --git a/c_src/nitg.main.1.c b/c_src/nitg.main.1.c
index 43c0272..ca43d58 100644 (file)
--- a/c_src/nitg.main.1.c
+++ b/c_src/nitg.main.1.c
@@ -1,9 +1,39 @@
 #include "nitg.main.0.h"
+#include <signal.h>
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
 int glob_argc;
 char **glob_argv;
 val *glob_sys;
+void show_backtrace (int signo) {
+char* opt = getenv("NIT_NO_STACK");
+unw_cursor_t cursor;
+if(opt==NULL){
+unw_context_t uc;
+unw_word_t ip;
+char* procname = malloc(sizeof(char) * 100);
+unw_getcontext(&uc);
+unw_init_local(&cursor, &uc);
+printf("-------------------------------------------------\n");
+printf("--   Stack Trace   ------------------------------\n");
+printf("-------------------------------------------------\n");
+while (unw_step(&cursor) > 0) {
+       unw_get_proc_name(&cursor, procname, 100, &ip);
+       printf("` %s \n",procname);
+}
+printf("-------------------------------------------------\n");
+free(procname);
+}
+exit(signo);
+}
 int main(int argc, char** argv) {
 val* var /* : Sys */;
+signal(SIGABRT, show_backtrace);
+signal(SIGFPE, show_backtrace);
+signal(SIGILL, show_backtrace);
+signal(SIGINT, show_backtrace);
+signal(SIGTERM, show_backtrace);
+signal(SIGSEGV, show_backtrace);
 glob_argc = argc; glob_argv = argv;
 initialize_gc_option();
 var = NEW_kernel__Sys(&type_kernel__Sys);