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

llvm-svn: 309351
This commit is contained in:
Kostya Serebryany 2017-07-28 01:38:43 +00:00
parent c618a466f1
commit ce5e65ee93
1 changed files with 15 additions and 2 deletions
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17
compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cc
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@ -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(const char *start, const char *end) {
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);
}