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

   1
   2 // BUILD:  $CC main.c  -o $BUILD_DIR/dyld_launch_mode.exe
   3
   4 // RUN:  ./dyld_launch_mode.exe
   5
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include <mach-o/dyld_priv.h>
  10 #include <dlfcn.h>
  11
  12 #include "test_support.h"
  13
  14 int main(int argc, const char* argv[], const char* envp[], const char* apple[])
  15 {
  16     const char* modeStr = getenv("DYLD_USE_CLOSURES");
  17     if ( modeStr == NULL ) {
  18         FAIL("dyld_launch_mode: DYLD_USE_CLOSURES env var not set");
  19     }
  20
  21     uint32_t expectedFlags;
  22     uint32_t launchFlags = _dyld_launch_mode();
  23     fprintf(stderr, "launchFlags=0x%08x\n", launchFlags);
  24
  25     if ( strcmp(modeStr, "0") == 0 ) {
  26         expectedFlags = 0;
  27     }
  28     else if ( strcmp(modeStr, "1") == 0 ) {
  29         expectedFlags = DYLD_LAUNCH_MODE_USING_CLOSURE | DYLD_LAUNCH_MODE_BUILT_CLOSURE_AT_LAUNCH;
  30     }
  31     else if ( strcmp(modeStr, "2") == 0 ) {
  32         expectedFlags = DYLD_LAUNCH_MODE_USING_CLOSURE | DYLD_LAUNCH_MODE_BUILT_CLOSURE_AT_LAUNCH | DYLD_LAUNCH_MODE_MINIMAL_CLOSURE;
  33     }
  34     else {
  35         FAIL("dyld_launch_mode: DYLD_USE_CLOSURES value unknown");
  36     }
  37
  38
  39     if ( launchFlags == expectedFlags )
  40         PASS("dyld_launch_mode");
  41     else
  42         FAIL("dyld_launch_mode: expected flags to be 0x%08X but were 0x%08X", expectedFlags, launchFlags);
  43
  44     return 0;
  45 }
  46