[compiler-rt] r309351 - [sanitizer-coverage] add a run-time test for -fsanitize-coverage=inline-8bit-counters, pc-table

[Kostya Serebryany via llvm-commits]

Author: kcc
Date: Thu Jul 27 18:38:43 2017
New Revision: 309351

URL: http://llvm.org/viewvc/llvm-project?rev=309351&view=rev
Log:
[sanitizer-coverage] add a run-time test for  -fsanitize-coverage=inline-8bit-counters,pc-table

Modified:
    compiler-rt/trunk/test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cc

Modified: compiler-rt/trunk/test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cc?rev=309351&r1=309350&r2=309351&view=diff
==============================================================================
--- compiler-rt/trunk/test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cc (original)
+++ compiler-rt/trunk/test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cc Thu Jul 27 18:38:43 2017
@@ -1,11 +1,12 @@
-// Tests -fsanitize-coverage=inline-8bit-counters
+// Tests -fsanitize-coverage=inline-8bit-counters,pc-table
 //
 // REQUIRES: has_sancovcc,stable-runtime
 // UNSUPPORTED: i386-darwin
 //
-// RUN: %clangxx -O0 %s -fsanitize-coverage=inline-8bit-counters 2>&1
+// RUN: %clangxx -O0 %s -fsanitize-coverage=inline-8bit-counters,pc-table 2>&1
 
 #include <stdio.h>
+#include <stdint.h>
 #include <assert.h>
 
 const char *first_counter;
@@ -17,7 +18,19 @@ void __sanitizer_cov_8bit_counters_init(
   first_counter = start;
 }
 
+uintptr_t FirstPC;
+
+extern "C" void __sanitizer_cov_pcs_init(const uint8_t *pcs_beg,
+                                         const uint8_t *pcs_end) {
+  const uintptr_t *B = (const uintptr_t *)pcs_beg;
+  const uintptr_t *E = (const uintptr_t *)pcs_end;
+  assert(B < E);
+  FirstPC = *B;
+}
+
+
 int main() {
   assert(first_counter);
   assert(*first_counter == 1);
+  assert(FirstPC == (uintptr_t)&main);
 }