compiler-rt/test/asan/TestCases/Linux/activation-options.cpp

   1 // Test for ASAN_OPTIONS=start_deactivated=1 mode.
   2 // Main executable is uninstrumented, but linked to ASan runtime. The shared
   3 // library is instrumented.
   4 // Fails with debug checks: https://bugs.llvm.org/show_bug.cgi?id=46862
   5 // XFAIL: !compiler-rt-optimized
   6
   7 // RUN: %clangxx_asan -O0 -DSHARED_LIB %s -fPIC -shared -o %t-so.so
   8 // RUN: %clangxx -O0 %s -c -o %t.o
   9 // RUN: %clangxx_asan -O0 %t.o %libdl -o %t
  10
  11 // RUN: rm -f %t.asan.options.activation-options.cpp.tmp
  12 // RUN: rm -f %t.asan.options.ABCDE
  13 // RUN: echo "help=1" >%t.asan.options.activation-options.cpp.tmp
  14
  15 // RUN: %env_asan_opts=start_deactivated=1 \
  16 // RUN:   ASAN_ACTIVATION_OPTIONS=include=%t.asan.options.%b %run %t 2>&1 | \
  17 // RUN:   FileCheck %s --check-prefix=CHECK-HELP --check-prefix=CHECK-FOUND
  18
  19 // RUN: %env_asan_opts=start_deactivated=1 \
  20 // RUN:   ASAN_ACTIVATION_OPTIONS=include=%t.asan.options not %run %t 2>&1 | \
  21 // RUN:   FileCheck %s --check-prefix=CHECK-NO-HELP --check-prefix=CHECK-MISSING
  22
  23 // RUN: %env_asan_opts=start_deactivated=1 \
  24 // RUN:   ASAN_ACTIVATION_OPTIONS=include=%t.asan.options.%b not %run %t --fix-name 2>&1 | \
  25 // RUN:   FileCheck %s --check-prefix=CHECK-NO-HELP --check-prefix=CHECK-MISSING
  26
  27 // RUN: echo "help=1" >%t.asan.options.ABCDE
  28
  29 // RUN: %env_asan_opts=start_deactivated=1 \
  30 // RUN:   ASAN_ACTIVATION_OPTIONS=include=%t.asan.options.%b %run %t --fix-name 2>&1 | \
  31 // RUN:   FileCheck %s --check-prefix=CHECK-HELP --check-prefix=CHECK-FOUND
  32
  33 // XFAIL: android
  34
  35 #if !defined(SHARED_LIB)
  36 #include <assert.h>
  37 #include <dlfcn.h>
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <unistd.h>
  42
  43 #include <string>
  44
  45 #include "sanitizer/asan_interface.h"
  46
  47 typedef void (*Fn)();
  48
  49 int main(int argc, char *argv[]) {
  50   std::string path = std::string(argv[0]) + "-so.so";
  51
  52   if (argc > 1 && strcmp(argv[1], "--fix-name") == 0) {
  53     assert(strlen(argv[0]) > 5);
  54     strcpy(argv[0], "ABCDE");
  55   }
  56
  57   void *dso = dlopen(path.c_str(), RTLD_NOW);
  58   if (!dso) {
  59     fprintf(stderr, "dlopen failed: %s\n", dlerror());
  60     return 1;
  61   }
  62
  63   return 0;
  64 }
  65 #else  // SHARED_LIB
  66 // Empty: all we need is an ASan shared library constructor.
  67 #endif  // SHARED_LIB
  68
  69 // CHECK-HELP: Available flags for {{.*}}Sanitizer:
  70 // CHECK-NO-HELP-NOT: Available flags for {{.*}}Sanitizer:
  71 // CHECK-FOUND-NOT: Failed to read options
  72 // CHECK-MISSING: Failed to read options