compiler-rt/test/asan/TestCases/Posix/coverage-reset.cpp

   1 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard -DSHARED %s -shared -o %dynamiclib -fPIC %ld_flags_rpath_so
   2 // RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s %ld_flags_rpath_exe -o %t
   3 // RUN: rm -rf %t-dir && mkdir -p %t-dir && cd %t-dir
   4 // RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t 2>&1 | FileCheck %s
   5 //
   6 // UNSUPPORTED: ios
   7
   8 #include <stdio.h>
   9
  10 #include <sanitizer/coverage_interface.h>
  11
  12 #ifdef SHARED
  13 void bar1() { printf("bar1\n"); }
  14 void bar2() { printf("bar2\n"); }
  15 #else
  16 __attribute__((noinline)) void foo1() { printf("foo1\n"); }
  17 __attribute__((noinline)) void foo2() { printf("foo2\n"); }
  18 void bar1();
  19 void bar2();
  20
  21 int main(int argc, char **argv) {
  22   fprintf(stderr, "RESET\n");
  23   __sanitizer_cov_reset();
  24   foo1();
  25   foo2();
  26   bar1();
  27   bar2();
  28   __sanitizer_cov_dump();
  29 // CHECK: RESET
  30 // CHECK-DAG: SanitizerCoverage: ./coverage-reset.cpp{{.*}}.sancov: 2 PCs written
  31 // CHECK-DAG: SanitizerCoverage: ./libcoverage-reset.cpp{{.*}}.sancov: 2 PCs written
  32
  33   fprintf(stderr, "RESET\n");
  34   __sanitizer_cov_reset();
  35   foo1();
  36   bar1();
  37   __sanitizer_cov_dump();
  38 // CHECK: RESET
  39 // CHECK-DAG: SanitizerCoverage: ./coverage-reset.cpp{{.*}}.sancov: 1 PCs written
  40 // CHECK-DAG: SanitizerCoverage: ./libcoverage-reset.cpp{{.*}}.sancov: 1 PCs written
  41
  42   fprintf(stderr, "RESET\n");
  43   __sanitizer_cov_reset();
  44   foo1();
  45   foo2();
  46   __sanitizer_cov_dump();
  47 // CHECK: RESET
  48 // CHECK: SanitizerCoverage: ./coverage-reset.cpp{{.*}}.sancov: 2 PCs written
  49
  50   fprintf(stderr, "RESET\n");
  51   __sanitizer_cov_reset();
  52   bar1();
  53   bar2();
  54   __sanitizer_cov_dump();
  55 // CHECK: RESET
  56 // CHECK: SanitizerCoverage: ./libcoverage-reset.cpp{{.*}}.sancov: 2 PCs written
  57
  58   fprintf(stderr, "RESET\n");
  59   __sanitizer_cov_reset();
  60 // CHECK: RESET
  61
  62   bar2();
  63 // CHECK: SanitizerCoverage: ./libcoverage-reset.cpp{{.*}}.sancov: 1 PCs written
  64 }
  65 #endif