testing/test-cases/dlsym-re-export.dtest/main.c

   1
   2 // BUILD:  $CC sub1.c -dynamiclib -install_name @rpath/libsub1.dylib   -o $BUILD_DIR/sub1/libsub1.dylib
   3 // BUILD:  $CC sub2.c -dynamiclib -install_name @rpath/libsub2.dylib   -o $BUILD_DIR/sub2/libsub2.dylib
   4 // BUILD:  $CC foo.c  -dynamiclib -install_name $RUN_DIR/libfoo.dylib  -o $BUILD_DIR/libfoo.dylib -rpath @loader_path/sub1 -Wl,-reexport_library,$BUILD_DIR/sub1/libsub1.dylib -Wl,-reexport_library,$BUILD_DIR/sub2/libsub2.dylib
   5 // BUILD:  $CC main.c  -o $BUILD_DIR/dlsym-reexport.exe -DRUN_DIR="$RUN_DIR" -rpath @loader_path/sub2
   6
   7 // RUN:  ./dlsym-reexport.exe
   8
   9 // rpath for sub1 is found in libfoo.dylib.  rpath for sub2 is found in dlsym-reexport.exe
  10
  11 #include <stdio.h>
  12 #include <dlfcn.h>
  13
  14 #include "test_support.h"
  15
  16 int main(int argc, const char* argv[], const char* envp[], const char* apple[]) {
  17     // RTLD_FIRST means dlsym() should only search libfoo.dylib (and any re-exports)
  18     void* handle = dlopen(RUN_DIR "/libfoo.dylib", RTLD_FIRST);
  19     if ( handle == NULL ) {
  20         FAIL("dlerror(): %s", dlerror());
  21     }
  22
  23     void* sym1 = dlsym(handle, "sub1");
  24     if ( sym1 == NULL ) {
  25         FAIL("dlerror(): %s", dlerror());
  26     }
  27
  28     void* sym2 = dlsym(handle, "sub2");
  29     if ( sym2 == NULL ) {
  30         FAIL("dlerror(): %s", dlerror());
  31     }
  32
  33     PASS("Success");
  34 }
  35