libhfuzz: implement __sanitizer_cov_trace_const* variants

google · Dec 9, 2017 · 9aff5e6 · 9aff5e6
1 parent 55621fd
commit 9aff5e6
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/libhfuzz/instrument.c b/libhfuzz/instrument.c
@@ -131,6 +131,19 @@ ATTRIBUTE_X86_REQUIRE_SSE42 void __sanitizer_cov_trace_cmp8(uint64_t Arg1, uint6
     }
 }
 
+/*
+ * Const versions of trace_cmp, we don't use any special handling for these (for
+ * now)
+ */
+void __sanitizer_cov_trace_const_cmp1(uint8_t Arg1, uint8_t Arg2)
+    __attribute__((weak, alias("__sanitizer_cov_trace_cmp1")));
+void __sanitizer_cov_trace_const_cmp2(uint16_t Arg1, uint16_t Arg2)
+    __attribute__((weak, alias("__sanitizer_cov_trace_cmp2")));
+void __sanitizer_cov_trace_const_cmp4(uint32_t Arg1, uint32_t Arg2)
+    __attribute__((weak, alias("__sanitizer_cov_trace_cmp4")));
+void __sanitizer_cov_trace_const_cmp8(uint64_t Arg1, uint64_t Arg2)
+    __attribute__((weak, alias("__sanitizer_cov_trace_cmp8")));
+
 /*
  * Cases[0] is number of comparison entries
  * Cases[1] is length of Val in bits