compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard-init.cpp

   1 // Tests trace pc guard coverage collection.
   2 //
   3 // REQUIRES: has_sancovcc,stable-runtime,x86_64-linux
   4 //
   5 // RUN: rm -rf %t_workdir
   6 // RUN: mkdir -p %t_workdir
   7 // RUN: cd %t_workdir
   8 // RUN: %clangxx -DSHARED1 -O0 -fsanitize-coverage=trace-pc-guard -shared %s -o %t_1.so -fPIC
   9 // RUN: %clangxx -DSTATIC1 -O0 -fsanitize-coverage=trace-pc-guard %s -c -o %t_2.o
  10 // RUN: %clangxx -DMAIN -O0 -fsanitize-coverage=trace-pc-guard %s -o %t %t_1.so %t_2.o
  11 // RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s
  12 // RUN: rm -rf %t_workdir
  13
  14 #include <stdio.h>
  15 #include <stdint.h>
  16 #include <stdlib.h>
  17
  18 extern "C" {
  19   int bar();
  20   int baz();
  21 }
  22
  23 #ifdef MAIN
  24
  25 extern "C" void __sanitizer_cov_trace_pc_guard_init(uint32_t *start, uint32_t *stop) {
  26   fprintf(stderr, "__sanitizer_cov_trace_pc_guard_init\n");
  27 }
  28
  29 extern "C" void __sanitizer_cov_trace_pc_guard(uint32_t *guard) { }
  30
  31
  32 int foo() {
  33   fprintf(stderr, "foo\n");
  34   return 1;
  35 }
  36
  37 int main() {
  38   fprintf(stderr, "main\n");
  39   foo();
  40   bar();
  41   baz();
  42 }
  43
  44 #endif // MAIN
  45
  46 extern "C" {
  47
  48 #ifdef SHARED1
  49 int bar() {
  50   fprintf(stderr, "bar\n");
  51   return 1;
  52 }
  53 #endif
  54
  55 #ifdef STATIC1
  56 int baz() {
  57   fprintf(stderr, "baz\n");
  58   return 1;
  59 }
  60 #endif
  61
  62 } // extern "C"
  63
  64 // Init is called once per DSO.
  65 // CHECK: __sanitizer_cov_trace_pc_guard_init
  66 // CHECK-NEXT: __sanitizer_cov_trace_pc_guard_init
  67 // CHECK-NEXT: main
  68 // CHECK-NEXT: foo
  69 // CHECK-NEXT: bar
  70 // CHECK-NEXT: baz