compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_symbolize.cpp

   1 // Tests trace pc guard coverage collection.
   2 //
   3 // REQUIRES: x86_64-linux
   4 // XFAIL: tsan
   5 //
   6 // RUN: rm -rf %t_workdir
   7 // RUN: mkdir -p %t_workdir
   8 // RUN: cd %t_workdir
   9 /// In glibc 2.39+, fprintf has a nonnull attribute. Disable nonnull-attribute,
  10 /// which would increase counters for ubsan.
  11 // RUN: %clangxx -O0 -fsanitize-coverage=trace-pc-guard -fno-sanitize=nonnull-attribute %s -o %t
  12 // RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s
  13 // RUN: rm -rf %t_workdir
  14
  15 #include <stdio.h>
  16
  17 int foo() {
  18   fprintf(stderr, "foo\n");
  19   return 1;
  20 }
  21
  22 int main() {
  23   fprintf(stderr, "main\n");
  24   foo();
  25   foo();
  26 }
  27
  28 // CHECK: main
  29 // CHECK: SanitizerCoverage: ./sanitizer_coverage_symbolize.{{.*}}.sancov: 2 PCs written