compiler-rt/test/orc/TestCases/Darwin/x86-64/trivial-jit-dlopen-nested.c

   1 // Test that __orc_rt_macho_jit_dlopen and __orc_rt_macho_jit_dlclose work as
   2 // expected for a dlopen; dlclose; dlopen; dlclose; sequence: the first dlclose
   3 // should run destructors, and the second dlopen should re-run initializers.
   4 //
   5 // RUN: %clang -c -o %t.inits.o %p/Inputs/standalone-ctor-and-cxa-atexit-dtor.S
   6 // RUN: %clang -c -o %t.test.o %s
   7 // RUN: %llvm_jitlink \
   8 // RUN:   -alias _dlopen=___orc_rt_macho_jit_dlopen \
   9 // RUN:   -alias _dlclose=___orc_rt_macho_jit_dlclose \
  10 // RUN:   %t.test.o -jd inits %t.inits.o -lmain | FileCheck %s
  11
  12 // CHECK: entering main
  13 // CHECK-NEXT: first dlopen
  14 // CHECK-NEXT: constructor
  15 // CHECK-NEXT: second dlopen
  16 // CHECK-NEXT: first dlclose
  17 // CHECK-NEXT: second dlclose
  18 // CHECK-NEXT: destructor
  19 // CHECK-NEXT: leaving main
  20
  21 int printf(const char * restrict format, ...);
  22 void *dlopen(const char* path, int mode);
  23 int dlclose(void *handle);
  24
  25 int main(int argc, char *argv[]) {
  26   printf("entering main\n");
  27   printf("first dlopen\n");
  28   void *H = dlopen("inits", 0);
  29   if (!H) {
  30     printf("failed\n");
  31     return -1;
  32   }
  33   printf("second dlopen\n");
  34   void *I = dlopen("inits", 0);
  35   if (!I) {
  36     printf("failed\n");
  37     return -1;
  38   }
  39   if (I != H) {
  40     printf("handles do not match\n");
  41     return -1;
  42   }
  43   printf("first dlclose\n");
  44   if (dlclose(I) == -1) {
  45     printf("failed\n");
  46     return -1;
  47   }
  48   printf("second dlclose\n");
  49   if (dlclose(H) == -1) {
  50     printf("failed\n");
  51     return -1;
  52   }
  53   printf("leaving main\n");
  54   return 0;
  55 }