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:  $DYLD_ENV_VARS_ENABLE $BUILD_DIR/interpose-weak-present.exe
   4 // BUILD:  $CC interposer.c -dynamiclib $BUILD_DIR/libfoo.dylib -o $BUILD_DIR/libinterposer.dylib -install_name libinterposer.dylib
   5
   6 // BUILD:  $CC foo.c            -dynamiclib -o $TEMP_DIR/libfoo2.dylib  -install_name $RUN_DIR/libfoo2.dylib
   7 // BUILD:  $CC foo.c -DNO_FOO34 -dynamiclib -o $BUILD_DIR/libfoo2.dylib -install_name $RUN_DIR/libfoo2.dylib
   8 // BUILD:  $CC main.c -DNO_FOO34  $TEMP_DIR/libfoo2.dylib -o $BUILD_DIR/interpose-weak-missing.exe
   9 // BUILD:  $DYLD_ENV_VARS_ENABLE $BUILD_DIR/interpose-weak-missing.exe
  10 // BUILD:  $CC interposer.c -dynamiclib $TEMP_DIR/libfoo2.dylib -o $BUILD_DIR/libinterposer2.dylib -install_name libinterposer.dylib
  11
  12
  13 // RUN:  DYLD_INSERT_LIBRARIES=libinterposer.dylib   ./interpose-weak-present.exe
  14 // RUN:  DYLD_INSERT_LIBRARIES=libinterposer2.dylib  ./interpose-weak-missing.exe
  15
  16
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20 #include <string.h>
  21
  22
  23 extern int foo1();
  24 extern int foo2();
  25 extern int foo3() __attribute__((weak_import));
  26 extern int foo4() __attribute__((weak_import));
  27
  28 #ifndef NO_FOO34
  29     #define MODE "present"
  30 #else
  31     #define MODE "missing"
  32 #endif
  33
  34 int main()
  35 {
  36     printf("[BEGIN] interpose-weak-" MODE "\n");
  37
  38         if ( foo1() != 1 ) {
  39         printf("[FAIL] interpose-weak-" MODE ", foo1() != 1\n");
  40         return 0;
  41     }
  42
  43         if ( foo2() != 12 ) {
  44         printf("[FAIL] interpose-weak-" MODE ", foo2() != 12\n");
  45         return 0;
  46     }
  47
  48 #ifndef NO_FOO34
  49         if ( foo3() != 3 ) {
  50         printf("[FAIL] interpose-weak-" MODE ", foo3() != 3\n");
  51         return 0;
  52     }
  53
  54         if ( foo4() != 14 ) {
  55         printf("[FAIL] interpose-weak-" MODE ", foo4() != 14\n");
  56         return 0;
  57     }
  58 #else
  59         if ( &foo3 != NULL ) {
  60         printf("[FAIL] interpose-weak-" MODE ", &foo3 != NULL\n");
  61         return 0;
  62     }
  63
  64         if ( &foo4 != NULL ) {
  65         printf("[FAIL] interpose-weak-" MODE ", &foo4 != NULL\n");
  66         return 0;
  67     }
  68 #endif
  69
  70     printf("[PASS] interpose-weak-" MODE "\n");
  71         return 0;
  72 }