testing/test-cases/interpose-weak.dtest/main.c

   1 // BUILD:  $CC foo.c -dynamiclib -o $BUILD_DIR/libfoo.dylib -install_name $RUN_DIR/libfoo.dylib
   2 // BUILD:  $CC main.c $BUILD_DIR/libfoo.dylib -o $BUILD_DIR/interpose-weak-present.exe
   3 // BUILD:  $CC interposer.c -dynamiclib $BUILD_DIR/libfoo.dylib -o $BUILD_DIR/libinterposer.dylib -install_name libinterposer.dylib
   4
   5 // BUILD:  $CC foo.c            -dynamiclib -o $TEMP_DIR/libfoo2.dylib  -install_name $RUN_DIR/libfoo2.dylib
   6 // BUILD:  $CC foo.c -DNO_FOO34 -dynamiclib -o $BUILD_DIR/libfoo2.dylib -install_name $RUN_DIR/libfoo2.dylib
   7 // BUILD:  $CC main.c -DNO_FOO34  $TEMP_DIR/libfoo2.dylib -o $BUILD_DIR/interpose-weak-missing.exe
   8 // BUILD:  $CC interposer.c -dynamiclib $TEMP_DIR/libfoo2.dylib -o $BUILD_DIR/libinterposer2.dylib -install_name libinterposer.dylib
   9
  10
  11 // RUN:  DYLD_INSERT_LIBRARIES=libinterposer.dylib   ./interpose-weak-present.exe
  12 // RUN:  DYLD_INSERT_LIBRARIES=libinterposer2.dylib  ./interpose-weak-missing.exe
  13
  14
  15
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include <string.h>
  19
  20
  21 extern int foo1();
  22 extern int foo2();
  23 extern int foo3() __attribute__((weak_import));
  24 extern int foo4() __attribute__((weak_import));
  25
  26 #ifndef NO_FOO34
  27     #define MODE "present"
  28 #else
  29     #define MODE "missing"
  30 #endif
  31
  32 int main()
  33 {
  34     printf("[BEGIN] interpose-weak-" MODE "\n");
  35
  36         if ( foo1() != 1 ) {
  37         printf("[FAIL] interpose-weak-" MODE ", foo1() != 1\n");
  38         return 0;
  39     }
  40
  41         if ( foo2() != 12 ) {
  42         printf("[FAIL] interpose-weak-" MODE ", foo2() != 12\n");
  43         return 0;
  44     }
  45
  46 #ifndef NO_FOO34
  47         if ( foo3() != 3 ) {
  48         printf("[FAIL] interpose-weak-" MODE ", foo3() != 3\n");
  49         return 0;
  50     }
  51
  52         if ( foo4() != 14 ) {
  53         printf("[FAIL] interpose-weak-" MODE ", foo4() != 14\n");
  54         return 0;
  55     }
  56 #else
  57         if ( &foo3 != NULL ) {
  58         printf("[FAIL] interpose-weak-" MODE ", &foo3 != NULL\n");
  59         return 0;
  60     }
  61
  62         if ( &foo4 != NULL ) {
  63         printf("[FAIL] interpose-weak-" MODE ", &foo4 != NULL\n");
  64         return 0;
  65     }
  66 #endif
  67
  68     printf("[PASS] interpose-weak-" MODE "\n");
  69         return 0;
  70 }