Merge pull request #178 from vanhauser-thc/CmpLog

Cmp log

1 files changed, 76 insertions, 0 deletions

diff --git a/include/cmplog.h b/include/cmplog.h
new file mode 100644
index 00000000..c02650ee
--- /dev/null
+++ b/include/cmplog.h
@@ -0,0 +1,76 @@
+/*
+   american fuzzy lop++ - cmplog header
+   ------------------------------------
+
+   Originally written by Michal Zalewski
+
+   Forkserver design by Jann Horn <jannhorn@googlemail.com>
+
+   Now maintained by by Marc Heuse <mh@mh-sec.de>,
+                        Heiko Eißfeldt <heiko.eissfeldt@hexco.de> and
+                        Andrea Fioraldi <andreafioraldi@gmail.com>
+
+   Copyright 2016, 2017 Google Inc. All rights reserved.
+   Copyright 2019-2020 AFLplusplus Project. All rights reserved.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at:
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+   Shared code to handle the shared memory. This is used by the fuzzer
+   as well the other components like afl-tmin, afl-showmap, etc...
+
+ */
+
+#ifndef _AFL_CMPLOG_H
+#define _AFL_CMPLOG_H
+
+#include "config.h"
+
+#define CMP_MAP_W 65536
+#define CMP_MAP_H 256
+
+#define SHAPE_BYTES(x) (x + 1)
+
+#define CMP_TYPE_INS 0
+#define CMP_TYPE_RTN 1
+
+struct cmp_header {
+
+  unsigned hits : 20;
+
+  unsigned cnt : 20;
+  unsigned id : 16;
+
+  unsigned shape : 5;  // from 0 to 31
+  unsigned type : 1;
+
+} __attribute__((packed));
+
+struct cmp_operands {
+
+  u64 v0;
+  u64 v1;
+
+};
+
+struct cmpfn_operands {
+
+  u8 v0[32];
+  u8 v1[32];
+
+};
+
+typedef struct cmp_operands cmp_map_list[CMP_MAP_H];
+
+struct cmp_map {
+
+  struct cmp_header   headers[CMP_MAP_W];
+  struct cmp_operands log[CMP_MAP_W][CMP_MAP_H];
+
+};
+
+#endif
+