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93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
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american fuzzy lop++ - cmplog header
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------------------------------------
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Originally written by Michal Zalewski
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Forkserver design by Jann Horn <jannhorn@googlemail.com>
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Now maintained by Marc Heuse <mh@mh-sec.de>,
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Heiko Eissfeldt <heiko.eissfeldt@hexco.de>,
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Andrea Fioraldi <andreafioraldi@gmail.com>,
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Dominik Maier <mail@dmnk.co>
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Copyright 2016, 2017 Google Inc. All rights reserved.
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Copyright 2019-2024 AFLplusplus Project. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at:
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https://www.apache.org/licenses/LICENSE-2.0
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Shared code to handle the shared memory. This is used by the fuzzer
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as well the other components like afl-tmin, afl-showmap, etc...
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*/
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#ifndef _AFL_CMPLOG_H
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#define _AFL_CMPLOG_H
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#include "config.h"
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#define CMPLOG_LVL_MAX 3
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#define CMP_MAP_W 65536
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#define CMP_MAP_H 32
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#define CMP_MAP_RTN_H (CMP_MAP_H / 2)
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#define SHAPE_BYTES(x) (x + 1)
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#define CMP_TYPE_INS 0
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#define CMP_TYPE_RTN 1
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struct cmp_header { // 16 bit = 2 bytes
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unsigned hits : 6; // up to 63 entries, we have CMP_MAP_H = 32
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unsigned shape : 5; // 31+1 bytes max
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unsigned type : 1; // 2: cmp, rtn
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unsigned attribute : 4; // 16 for arithmetic comparison types
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} __attribute__((packed));
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struct cmp_operands {
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u64 v0;
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u64 v0_128;
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u64 v0_256_0; // u256 is unsupported by any compiler for now, so future use
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u64 v0_256_1;
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u64 v1;
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u64 v1_128;
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u64 v1_256_0;
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u64 v1_256_1;
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u8 unused[8]; // 2 bits could be used for "is constant operand"
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} __attribute__((packed));
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struct cmpfn_operands {
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u8 v0[32];
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u8 v1[32];
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u8 v0_len;
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u8 v1_len;
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u8 unused[6]; // 2 bits could be used for "is constant operand"
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} __attribute__((packed));
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typedef struct cmp_operands cmp_map_list[CMP_MAP_H];
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struct cmp_map {
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struct cmp_header headers[CMP_MAP_W];
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struct cmp_operands log[CMP_MAP_W][CMP_MAP_H];
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};
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/* Execs the child */
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struct afl_forkserver;
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void cmplog_exec_child(struct afl_forkserver *fsrv, char **argv);
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#endif
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