testing/test-cases/env-DYLD_FORCE_PLATFORM.dtest/main.c

   1 // BUILD(macos):  $CC main.c            -o $BUILD_DIR/env-DYLD_FORCE_PLATFORM.exe -DENABLE_ALT_PLATFORMS=1
   2 // BUILD(macos):  $CC main.c            -o $BUILD_DIR/env-DYLD_FORCE_PLATFORM-fail.exe
   3 // BUILD(macos):  $TASK_FOR_PID_ENABLE  $BUILD_DIR/env-DYLD_FORCE_PLATFORM.exe
   4 // BUILD(macos):  $TASK_FOR_PID_ENABLE  $BUILD_DIR/env-DYLD_FORCE_PLATFORM-fail.exe
   5
   6 // BUILD(ios,tvos,watchos,bridgeos):
   7
   8 // RUN:  DYLD_FORCE_PLATFORM=6 ./env-DYLD_FORCE_PLATFORM.exe
   9 // RUN:  DYLD_FORCE_PLATFORM=6 ./env-DYLD_FORCE_PLATFORM-fail.exe
  10
  11 #include <mach-o/dyld_priv.h>
  12 #include <dlfcn.h>
  13
  14 #include "test_support.h"
  15
  16 #if ENABLE_ALT_PLATFORMS
  17 __attribute__((section("__DATA,__allow_alt_plat"))) uint64_t dummy;
  18
  19 int main(int argc, const char* argv[], const char* envp[], const char* apple[]) {
  20     dyld_build_version_t ios12 = { .platform = PLATFORM_IOS, .version = 0x000c0000 };
  21     if (dyld_get_active_platform() != PLATFORM_MACCATALYST) { FAIL("dyld_get_active_platform() should return PLATFORM_MACCATALYST"); }
  22     // libswiftUIKit.dylib exists in /System/iOSSupport/usr/lib/swift
  23     // We should be able to dlopen it only if we are correctly prepending the /System/iOSSupport root path
  24 #if 0
  25     // FIXME: We don't want to bring in such large dylib graphs. We can repurpose root testing support for this
  26     if (!dlopen_preflight("/usr/lib/swift/libswiftUIKit.dylib")) { FAIL("Should be able to dlopen libswiftUIKit but %s", dlerror()); }
  27 #endif
  28     if (!dyld_program_minos_at_least(ios12)) { FAIL("DYLD_FORCE_PLATFORM should synthesize an iOS min version greater than 12.0"); }
  29     if (!dyld_program_sdk_at_least(ios12)) { FAIL("DYLD_FORCE_PLATFORM should synthesize an iOS sdk versio greater than 12.0"); }
  30     PASS("Success");
  31 }
  32 #else
  33 int main(int argc, const char* argv[], const char* envp[], const char* apple[]) {
  34     if (dyld_get_active_platform() != PLATFORM_MACOS) { FAIL("dyld_get_active_platform() should return PLATFORM_MACOS"); }
  35
  36     // libswiftUIKit.dylib exists in /System/iOSSupport/usr/lib/swift
  37     // We should not be able to dlopen this as we don't expect to find it in a macOS location.  If it starts
  38     // being in a macOS location then we should update this test
  39     if(dlopen_preflight("/usr/lib/swift/libswiftUIKit.dylib")) { FAIL("Should not be able to dlopen libswiftUIKit"); }
  40     PASS("Success");
  41 }
  42 #endif