71 lines · cpp
1// Tests trace pc guard coverage collection.2//3// REQUIRES: has_sancovcc,stable-runtime,x86_64-linux4//5// RUN: rm -rf %t_workdir6// RUN: mkdir -p %t_workdir7// RUN: cd %t_workdir8// RUN: %clangxx -DSHARED1 -O0 -fsanitize-coverage=trace-pc-guard -shared %s -o %t_1.so -fPIC9// RUN: %clangxx -DSTATIC1 -O0 -fsanitize-coverage=trace-pc-guard %s -c -o %t_2.o10// RUN: %clangxx -DMAIN -O0 -fsanitize-coverage=trace-pc-guard %s -o %t %t_1.so %t_2.o11// RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s12// RUN: rm -rf %t_workdir13 14#include <stdio.h>15#include <stdint.h>16#include <stdlib.h>17 18extern "C" {19 int bar();20 int baz();21}22 23#ifdef MAIN24 25extern "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 29extern "C" void __sanitizer_cov_trace_pc_guard(uint32_t *guard) { }30 31 32int foo() {33 fprintf(stderr, "foo\n");34 return 1;35}36 37int main() {38 fprintf(stderr, "main\n");39 foo();40 bar();41 baz();42}43 44#endif // MAIN45 46extern "C" {47 48#ifdef SHARED149int bar() {50 fprintf(stderr, "bar\n");51 return 1;52}53#endif54 55#ifdef STATIC156int baz() {57 fprintf(stderr, "baz\n");58 return 1;59}60#endif61 62} // extern "C"63 64// Init is called once per DSO.65// CHECK: __sanitizer_cov_trace_pc_guard_init66// CHECK-NEXT: __sanitizer_cov_trace_pc_guard_init67// CHECK-NEXT: main68// CHECK-NEXT: foo69// CHECK-NEXT: bar70// CHECK-NEXT: baz71