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author | Kostya Serebryany <kcc@google.com> | 2016-09-18 04:52:23 +0000 |
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committer | Kostya Serebryany <kcc@google.com> | 2016-09-18 04:52:23 +0000 |
commit | baa899667effc68f7e29c22d82f23ae2d42f8ee0 (patch) | |
tree | 18d2bf1c729e16dd7efc172ab998a20865e7b40f /docs | |
parent | 18e5245c5a5ae0867d04257b4b56540ac38aad24 (diff) |
[libFuzzer] use 'if guard' instead of 'if guard >= 0' with trace-pc; change the guard type to intptr_t; use separate array for 8-bit counters
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@281845 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
-rw-r--r-- | docs/SanitizerCoverage.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/docs/SanitizerCoverage.rst b/docs/SanitizerCoverage.rst index a4693fe2c3..decad72a14 100644 --- a/docs/SanitizerCoverage.rst +++ b/docs/SanitizerCoverage.rst @@ -331,10 +331,10 @@ on every edge: .. code-block:: none - if (guard_variable >= 0) + if (guard_variable) __sanitizer_cov_trace_pc_guard(&guard_variable) -Every edge will have its own 8-byte `guard_variable`. +Every edge will have its own `guard_variable` (uintptr_t). The compler will also insert a module constructor that will call @@ -342,7 +342,7 @@ The compler will also insert a module constructor that will call // The guards are [start, stop). // This function may be called multiple times with the same values of start/stop. - __sanitizer_cov_trace_pc_guard_init(uint64_t *start, uint64_t *stop); + __sanitizer_cov_trace_pc_guard_init(uintptr_t *start, uintptr_t *stop); Similarly to `trace-pc,indirect-calls`, with `trace-pc-guards,indirect-calls` ``__sanitizer_cov_trace_pc_indirect(void *callee)`` will be inserted on every indirect call. |