14de6e29b1
Summary: This permits combining -fsanitize-coverage with -fsanitize=bounds or -fsanitize=thread. Note that, GCC already supports combining these. Tested: - Add Clang end-to-end test checking IR is generated for both combinations of sanitizers. - Several previously failing TSAN tests now pass. Bugzilla: https://bugs.llvm.org/show_bug.cgi?id=45831 Reviewers: vitalybuka Reviewed By: vitalybuka Subscribers: #sanitizers, dvyukov, nickdesaulniers, cfe-commits Tags: #clang, #sanitizers Differential Revision: https://reviews.llvm.org/D79628
43 lines
1.0 KiB
C++
43 lines
1.0 KiB
C++
// Tests -fsanitize-coverage=inline-8bit-counters,pc-table
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//
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// REQUIRES: has_sancovcc,stable-runtime
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// UNSUPPORTED: i386-darwin
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//
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// RUN: %clangxx -O0 %s -fsanitize-coverage=inline-8bit-counters,pc-table -o %t
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// RUN: %run %t 2>&1 | FileCheck %s
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#include <stdio.h>
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#include <stdint.h>
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#include <assert.h>
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const char *first_counter;
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extern "C"
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void __sanitizer_cov_8bit_counters_init(const char *start, const char *end) {
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printf("INIT: %p %p\n", start, end);
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assert(end - start > 1);
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first_counter = start;
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}
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uintptr_t FirstPC;
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uintptr_t FirstPCFlag;
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extern "C" void __sanitizer_cov_pcs_init(const uintptr_t *pcs_beg,
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const uintptr_t *pcs_end) {
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const uintptr_t *B = (const uintptr_t *)pcs_beg;
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const uintptr_t *E = (const uintptr_t *)pcs_end;
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assert(B + 1 < E);
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FirstPC = B[0];
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FirstPCFlag = B[1];
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}
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int main() {
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assert(first_counter);
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assert(*first_counter == 1);
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assert(FirstPC == (uintptr_t)&main);
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assert(FirstPCFlag == 1);
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fprintf(stderr, "PASS\n");
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// CHECK: PASS
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}
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