llvm-project/compiler-rt/test/profile/Inputs/instrprof-dlopen-main.c

48 lines
1.1 KiB
C

#include <stdio.h>
#include <stdlib.h>
#ifdef DLOPEN_FUNC_DIR
#include <dlfcn.h>
#else
void func(int K);
void func2(int K);
#endif
int main(int argc, char *argv[]) {
#ifdef DLOPEN_FUNC_DIR
dlerror();
void *f1_handle = dlopen(DLOPEN_FUNC_DIR"/func.shared", DLOPEN_FLAGS);
if (f1_handle == NULL) {
fprintf(stderr, "unable to open '" DLOPEN_FUNC_DIR "/func.shared': %s\n",
dlerror());
return EXIT_FAILURE;
}
void (*func)(int) = (void (*)(int))dlsym(f1_handle, "func");
if (func == NULL) {
fprintf(stderr, "unable to lookup symbol 'func': %s\n", dlerror());
return EXIT_FAILURE;
}
void *f2_handle = dlopen(DLOPEN_FUNC_DIR"/func2.shared", DLOPEN_FLAGS);
if (f2_handle == NULL) {
fprintf(stderr, "unable to open '" DLOPEN_FUNC_DIR "/func2.shared': %s\n",
dlerror());
return EXIT_FAILURE;
}
void (*func2)(int) = (void (*)(int))dlsym(f2_handle, "func2");
if (func2 == NULL) {
fprintf(stderr, "unable to lookup symbol 'func2': %s\n", dlerror());
return EXIT_FAILURE;
}
#endif
func(1);
func2(0);
return EXIT_SUCCESS;
}