src/compiler-rt/test/asan/TestCases/Linux/activation-options.cc

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