91 lines
4.3 KiB
C
91 lines
4.3 KiB
C
/***************************************************************************************************
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Zyan Disassembler Library (Zydis)
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Original Author : Mappa
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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***************************************************************************************************/
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#ifndef ZYDIS_FUZZSHARED_H
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#define ZYDIS_FUZZSHARED_H
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#include <stdio.h>
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#include <stddef.h>
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#include <inttypes.h>
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#include <Zydis/Zydis.h>
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#include <Zycore/LibC.h>
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/* ============================================================================================== */
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/* Enums and types */
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/* ============================================================================================== */
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typedef ZyanUSize(*ZydisStreamRead)(void *ctx, ZyanU8 *buf, ZyanUSize max_len);
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/* ============================================================================================== */
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/* Macros */
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/* ============================================================================================== */
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#if defined(ZYDIS_FUZZ_AFL_FAST) || defined(ZYDIS_LIBFUZZER)
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# define ZYDIS_MAYBE_FPUTS(x, y)
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#else
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# define ZYDIS_MAYBE_FPUTS(x, y) fputs(x, y)
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#endif
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// Existing tools and seed corpora depend on this heavily
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enum ZyanEnumSizeCheck_ { ZYAN_ENUM_SIZE_CHECK = 1 };
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ZYAN_STATIC_ASSERT(sizeof(enum ZyanEnumSizeCheck_) == 4);
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#define ZYDIS_SANITIZE_MASK(var, type, type_size, mask) \
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var = (type)((ZyanU##type_size)(var) & (mask))
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#define ZYDIS_SANITIZE_MASK32(var, type, mask) ZYDIS_SANITIZE_MASK(var, type, 32, mask)
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#define ZYDIS_SANITIZE_MASK64(var, type, mask) ZYDIS_SANITIZE_MASK(var, type, 64, mask)
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#define ZYDIS_SANITIZE_ENUM(var, type, max_value) var = (type)((ZyanUSize)(ZyanU32)(var) % \
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(max_value + 1))
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/* ============================================================================================== */
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/* Function declarations */
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/* ============================================================================================== */
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#if defined(ZYDIS_FUZZ_AFL_FAST) || defined(ZYDIS_LIBFUZZER)
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#define ZydisPrintInstruction(...)
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#else
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void ZydisPrintInstruction(const ZydisDecodedInstruction *instruction,
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const ZydisDecodedOperand* operands, ZyanU8 operand_count, const ZyanU8 *instruction_bytes);
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#endif
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void ZydisValidateEnumRanges(const ZydisDecodedInstruction* insn,
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const ZydisDecodedOperand* operands, ZyanU8 operand_count);
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void ZydisValidateInstructionIdentity(const ZydisDecodedInstruction* insn1,
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const ZydisDecodedOperand* operands1, const ZydisDecodedInstruction* insn2,
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const ZydisDecodedOperand* operands2);
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void ZydisReEncodeInstruction(const ZydisDecoder* decoder, const ZydisDecodedInstruction* insn1,
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const ZydisDecodedOperand* operands1, ZyanU8 operand_count, const ZyanU8 *insn1_bytes);
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// One `ZydisFuzzTarget` must be defined for every fuzz target project
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extern int ZydisFuzzTarget(ZydisStreamRead read_fn, void *stream_ctx);
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/* ============================================================================================== */
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#endif /* ZYDIS_FUZZSHARED_H */
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