From baa899667effc68f7e29c22d82f23ae2d42f8ee0 Mon Sep 17 00:00:00 2001 From: Kostya Serebryany Date: Sun, 18 Sep 2016 04:52:23 +0000 Subject: [PATCH] [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 --- docs/SanitizerCoverage.rst | 6 +++--- 1 file 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. -- 2.40.0