compiler-rt/test/asan/TestCases/Darwin/unset-insert-libraries-on-exec.cpp

   1 // Make sure ASan removes the runtime library from DYLD_INSERT_LIBRARIES before
   2 // executing other programs.
   3
   4 // RUN: %clangxx_asan %s -o %t
   5 // RUN: %clangxx %p/../Helpers/echo-env.cpp -o %t-echo-env
   6 // RUN: %clangxx -DSHARED_LIB %s \
   7 // RUN:     -dynamiclib -o %t-darwin-dummy-shared-lib-so.dylib
   8
   9 // Make sure DYLD_INSERT_LIBRARIES doesn't contain the runtime library before
  10 // execl().
  11
  12 // RUN: %run %t %t-echo-env >/dev/null 2>&1
  13 // RUN: %env DYLD_INSERT_LIBRARIES=%t-darwin-dummy-shared-lib-so.dylib \
  14 // RUN:     %run %t %t-echo-env 2>&1 | FileCheck %s || exit 1
  15
  16 // UNSUPPORTED: ios
  17
  18 #if !defined(SHARED_LIB)
  19 #include <unistd.h>
  20 int main(int argc, char *argv[]) {
  21   execl(argv[1], argv[1], "DYLD_INSERT_LIBRARIES", NULL);
  22   // CHECK:  {{DYLD_INSERT_LIBRARIES = .*darwin-dummy-shared-lib-so.dylib.*}}
  23   return 0;
  24 }
  25 #else  // SHARED_LIB
  26 void foo() {}
  27 #endif  // SHARED_LIB