testing/test-cases/_dyld_get_image_slide.dtest/main.c

   1
   2 // BUILD:  $CC main.c            -o $BUILD_DIR/_dyld_get_image_slide-test.exe
   3
   4 // RUN:  ./_dyld_get_image_slide-test.exe
   5
   6
   7 #include <stdio.h>
   8 #include <string.h>
   9 #include <dlfcn.h>
  10 #include <mach-o/dyld.h>
  11 #include <mach-o/dyld_priv.h>
  12
  13
  14 int main()
  15 {
  16     printf("[BEGIN] _dyld_get_image_slide-test\n");
  17
  18     int count = _dyld_image_count();
  19     for (int i=0; i < count; ++i) {
  20         const struct mach_header* mh    = _dyld_get_image_header(i);
  21         const char*               name  = _dyld_get_image_name(i);
  22         intptr_t                  slide = _dyld_get_image_slide(mh);
  23         intptr_t                  vmaddrSlide = _dyld_get_image_vmaddr_slide(i);
  24         if ( slide != vmaddrSlide ) {
  25             printf("[FAIL] _dyld_get_image_slide-test: %lld != %lld in %s\n",
  26                    (uint64_t)slide, (uint64_t)vmaddrSlide, name);
  27             return 0;
  28         }
  29     }
  30
  31     // Check that garbage values return 0
  32     uintptr_t notMagic = 0;
  33     intptr_t slide = _dyld_get_image_slide((const struct mach_header*)&notMagic);
  34     if (slide != 0) {
  35         printf("[FAIL] _dyld_get_image_slide-test: slide value %lld for bad magic\n",
  36                (uint64_t)slide);
  37     }
  38
  39     intptr_t vmaddrSlide = _dyld_get_image_vmaddr_slide(count + 1);
  40     if (vmaddrSlide != 0) {
  41         printf("[FAIL] _dyld_get_image_slide-test: vmaddr slide value %lld for index %d\n",
  42                (uint64_t)vmaddrSlide, count + 1);
  43     }
  44
  45     printf("[PASS] _dyld_get_image_slide-test\n");
  46         return 0;
  47 }
  48