compiler-rt/test/asan/TestCases/Darwin/dyld_insert_libraries_reexec.cpp

   1 // When DYLD-inserting the ASan dylib from a different location than the
   2 // original, make sure we don't try to reexec.
   3
   4 // UNSUPPORTED: ios
   5
   6 // RUN: rm -rf %t && mkdir -p %t
   7 // RUN: cp `%clang_asan -print-file-name=lib`/darwin/libclang_rt.asan_osx_dynamic.dylib \
   8 // RUN:   %t/libclang_rt.asan_osx_dynamic.dylib
   9 // RUN: %clangxx_asan %s -o %t/a.out
  10
  11 // RUN:   %env_asan_opts=verbosity=1 \
  12 // RUN:       DYLD_INSERT_LIBRARIES=@executable_path/libclang_rt.asan_osx_dynamic.dylib \
  13 // RUN:       %run %t/a.out 2>&1 \
  14 // RUN:   | FileCheck %s
  15
  16 // RUN: MACOS_MAJOR=$(sw_vers -productVersion | cut -d'.' -f1)
  17 // RUN: MACOS_MINOR=$(sw_vers -productVersion | cut -d'.' -f2)
  18
  19 // RUN: IS_MACOS_10_11_OR_HIGHER=$([ $MACOS_MAJOR -eq 10 ] && [ $MACOS_MINOR -lt 11 ]; echo $?)
  20
  21 // On OS X 10.10 and lower, if the dylib is not DYLD-inserted, ASan will re-exec.
  22 // RUN: if [ $IS_MACOS_10_11_OR_HIGHER == 0 ]; then \
  23 // RUN:   %env_asan_opts=verbosity=1 %run %t/a.out 2>&1 \
  24 // RUN:   | FileCheck --check-prefix=CHECK-NOINSERT %s; \
  25 // RUN:   fi
  26
  27 // On OS X 10.11 and higher, we don't need to DYLD-insert anymore, and the interceptors
  28 // still installed correctly. Let's just check that things work and we don't try to re-exec.
  29 // RUN: if [ $IS_MACOS_10_11_OR_HIGHER == 1 ]; then \
  30 // RUN:   %env_asan_opts=verbosity=1 %run %t/a.out 2>&1 \
  31 // RUN:   | FileCheck %s; \
  32 // RUN:   fi
  33
  34 #include <stdio.h>
  35
  36 int main() {
  37   printf("Passed\n");
  38   return 0;
  39 }
  40
  41 // CHECK-NOINSERT: exec()-ing the program with
  42 // CHECK-NOINSERT: DYLD_INSERT_LIBRARIES
  43 // CHECK-NOINSERT: to enable wrappers.
  44 // CHECK-NOINSERT: Passed
  45
  46 // CHECK-NOT: exec()-ing the program with
  47 // CHECK-NOT: DYLD_INSERT_LIBRARIES
  48 // CHECK-NOT: to enable wrappers.
  49 // CHECK: Passed