diff options
| -rw-r--r-- | tcc.c | 27 |
1 files changed, 19 insertions, 8 deletions
@@ -434,6 +434,7 @@ int parse_btype(int *type_ptr, AttributeDef *ad); int type_decl(int *v, int t, int td); void error(const char *fmt, ...); +void rt_error(unsigned long pc, const char *fmt, ...); void vpushi(int v); void vset(int t, int r, int v); void type_to_str(char *buf, int buf_size, @@ -5969,6 +5970,18 @@ static void rt_printline(unsigned long wanted_pc) } } +/* emit a run time error at position 'pc' */ +void rt_error(unsigned long pc, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + + rt_printline(pc); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); + exit(255); + va_end(ap); +} /* signal handler for fatal errors */ static void sig_error(int signum, siginfo_t *siginf, void *puc) @@ -5982,32 +5995,30 @@ static void sig_error(int signum, siginfo_t *siginf, void *puc) #error please put the right sigcontext field #endif - rt_printline(pc); - switch(signum) { case SIGFPE: switch(siginf->si_code) { case FPE_INTDIV: case FPE_FLTDIV: - fprintf(stderr, "division by zero\n"); + rt_error(pc, "division by zero"); break; default: - fprintf(stderr, "floating point exception\n"); + rt_error(pc, "floating point exception"); break; } break; case SIGBUS: case SIGSEGV: - fprintf(stderr, "dereferencing invalid pointer\n"); + rt_error(pc, "dereferencing invalid pointer"); break; case SIGILL: - fprintf(stderr, "illegal instruction\n"); + rt_error(pc, "illegal instruction"); break; case SIGABRT: - fprintf(stderr, "abort() called\n"); + rt_error(pc, "abort() called"); break; default: - fprintf(stderr, "caught signal %d\n", signum); + rt_error(pc, "caught signal %d", signum); break; } exit(255); |