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authorDimitry Andric <dim@FreeBSD.org>2015-09-06 18:41:23 +0000
committerDimitry Andric <dim@FreeBSD.org>2015-09-06 18:41:23 +0000
commitf31bcc68c72371a2bf63aead9f3373a1ff2053b6 (patch)
treeb259e5d585da0f8cde9579939a74d5ef44c72abd /include/sanitizer/dfsan_interface.h
parentcd2dd3df15523e2be8d2bbace27641d6ac9fa40d (diff)
downloadsrc-f31bcc68c72371a2bf63aead9f3373a1ff2053b6.tar.gz
src-f31bcc68c72371a2bf63aead9f3373a1ff2053b6.zip
Import compiler-rt 3.7.0 release (r246257).vendor/compiler-rt/compiler-rt-release_370-r246257
Notes
Notes: svn path=/vendor/compiler-rt/dist/; revision=287516 svn path=/vendor/compiler-rt/compiler-rt-release_370-r246257/; revision=287517; tag=vendor/compiler-rt/compiler-rt-release_370-r246257
Diffstat (limited to 'include/sanitizer/dfsan_interface.h')
-rw-r--r--include/sanitizer/dfsan_interface.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/sanitizer/dfsan_interface.h b/include/sanitizer/dfsan_interface.h
index 79dbf2f364c2..84ffd49f8afe 100644
--- a/include/sanitizer/dfsan_interface.h
+++ b/include/sanitizer/dfsan_interface.h
@@ -91,6 +91,16 @@ void dfsan_set_write_callback(dfsan_write_callback_t labeled_write_callback);
/// <label> <parent label 1> <parent label 2> <label description if any>
void dfsan_dump_labels(int fd);
+/// Whenever a dfsan's custom function is called the corresponding
+/// hook is called it non-zero. The hooks should be defined by the user.
+/// The primary use case is taint-guided fuzzing, where the fuzzer
+/// needs to see the parameters of the function and the labels.
+/// FIXME: implement more hooks.
+
+/// memcmp hook.
+void dfsan_weak_hook_memcmp(void *caller_pc, const void *s1, const void *s2,
+ size_t n, dfsan_label s1_label,
+ dfsan_label s2_label, dfsan_label n_label);
#ifdef __cplusplus
} // extern "C"