ctor_dtor.c
829 Bytes
// RUN: %clang -fno-use-init-array -g -c %s -o %t.o
// RUN: %clang -fno-use-init-array -g -o %t -nostdlib %crt1 %crti %crtbegin %t.o -lc %libgcc %crtend %crtn
// RUN: %run %t 2>&1 | FileCheck %s
#include <stdio.h>
// Ensure the various startup functions are called in the proper order.
// CHECK: __register_frame_info()
// CHECK-NEXT: ctor()
// CHECK-NEXT: main()
// CHECK-NEXT: dtor()
// CHECK-NEXT: __deregister_frame_info()
struct object;
void __register_frame_info(const void *fi, struct object *obj) {
printf("__register_frame_info()\n");
}
void __deregister_frame_info(const void *fi) {
printf("__deregister_frame_info()\n");
}
void __attribute__((constructor)) ctor() {
printf("ctor()\n");
}
void __attribute__((destructor)) dtor() {
printf("dtor()\n");
}
int main() {
printf("main()\n");
return 0;
}