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

   1
   2 // BUILD_ONLY: MacOSX
   3 // BUILD:  $CC main.c            -o $BUILD_DIR/DYLD_FORCE_PLATFORM.exe -DENABLE_ALT_PLATFORMS=1 -ldarwintest
   4 // BUILD:  $CC main.c            -o $BUILD_DIR/DYLD_FORCE_PLATFORM_FAIL.exe -ldarwintest
   5 // BUILD:  $TASK_FOR_PID_ENABLE  $BUILD_DIR/DYLD_FORCE_PLATFORM.exe
   6 // BUILD:  $TASK_FOR_PID_ENABLE  $BUILD_DIR/DYLD_FORCE_PLATFORM_FAIL.exe
   7
   8 // RUN:  ./DYLD_FORCE_PLATFORM.exe
   9 // RUN:  ./DYLD_FORCE_PLATFORM_FAIL.exe
  10
  11 #include <mach-o/dyld_priv.h>
  12 #include "dyld_test.h"
  13
  14 #if ENABLE_ALT_PLATFORMS
  15 __attribute__((section("__DATA,__allow_alt_plat"))) uint64_t dummy;
  16 T_DECL_DYLD(DYLD_FORCE_PLATFORM, "Test that DYLD_FORCE_PLATFORM works correctly", T_META_ENVVAR("DYLD_FORCE_PLATFORM=6")) {
  17     dyld_build_version_t ios12 = { .platform = PLATFORM_IOSMAC, .version = 0x000c0000 };
  18     T_EXPECT_EQ_UINT(dyld_get_active_platform(), PLATFORM_IOSMAC, "dyld_get_active_platform() should return PLATFORM_IOSMAC");
  19
  20     // libswiftUIKit.dylib exists in /System/iOSSupport/usr/lib/swift
  21     // We should be able to dlopen it only if we are correctly prepending the /System/iOSSupport root path
  22     T_EXPECT_TRUE(dlopen_preflight("/usr/lib/swift/libswiftUIKit.dylib"), "Should be able to dlopen libswiftUIKit but %s", dlerror());
  23 #if 0
  24     //FIXME: This has to be disabled until we can fix rdar://47156760
  25     T_EXPECT_TRUE(dyld_program_minos_at_least(ios12), "DYLD_FORCE_PLATFORM should synthesize an iOS min version greater than 12.0");
  26     T_EXPECT_TRUE(dyld_program_sdk_at_least(ios12), "DYLD_FORCE_PLATFORM should synthesize an iOS sdk versio greater than 12.0");
  27 #endif
  28 }
  29 #else
  30 T_DECL_DYLD(DYLD_FORCE_PLATFORM_FAIL, "Test that DYLD_FORCE_PLATFORM fails correctly", T_META_ENVVAR("DYLD_FORCE_PLATFORM=6")) {
  31     T_EXPECT_EQ_UINT(dyld_get_active_platform(), PLATFORM_MACOS, "dyld_get_active_platform() should return PLATFORM_IOSMAC");
  32
  33     // libswiftUIKit.dylib exists in /System/iOSSupport/usr/lib/swift
  34     // We should not be able to dlopen this as we don't expect to find it in a macOS location.  If it starts
  35     // being in a macOS location then we should update this test
  36     T_EXPECT_FALSE(dlopen_preflight("/usr/lib/swift/libswiftUIKit.dylib"), "Should not be able to dlopen libswiftUIKit");
  37 }
  38 #endif