Formatter.h

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/***************************************************************************************************
 
 Zyan Disassembler Library (Zydis)
 
 Original Author : Florian Bernd
 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 
***************************************************************************************************/
 
#ifndef ZYDIS_FORMATTER_H
#define ZYDIS_FORMATTER_H
 
#include <Zycore/Defines.h>
#include <Zycore/String.h>
#include <Zycore/Types.h>
#include <Zydis/DecoderTypes.h>
#include <Zydis/FormatterBuffer.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* ============================================================================================== */
/* Constants */
/* ============================================================================================== */
 
#define ZYDIS_RUNTIME_ADDRESS_NONE (ZyanU64)(-1)
 
/* ============================================================================================== */
/* Enums and types */
/* ============================================================================================== */
 
/* ---------------------------------------------------------------------------------------------- */
/* Formatter style */
/* ---------------------------------------------------------------------------------------------- */
 
typedef enum ZydisFormatterStyle_
{
 ZYDIS_FORMATTER_STYLE_ATT,
 ZYDIS_FORMATTER_STYLE_INTEL,
 ZYDIS_FORMATTER_STYLE_INTEL_MASM,
 
 ZYDIS_FORMATTER_STYLE_MAX_VALUE = ZYDIS_FORMATTER_STYLE_INTEL_MASM,
 ZYDIS_FORMATTER_STYLE_REQUIRED_BITS = ZYAN_BITS_TO_REPRESENT(ZYDIS_FORMATTER_STYLE_MAX_VALUE)
} ZydisFormatterStyle;
 
/* ---------------------------------------------------------------------------------------------- */
/* Properties */
/* ---------------------------------------------------------------------------------------------- */
 
typedef enum ZydisFormatterProperty_
{
 /* ---------------------------------------------------------------------------------------- */
 /* General */
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_PROP_FORCE_SIZE,
 ZYDIS_FORMATTER_PROP_FORCE_SEGMENT,
 ZYDIS_FORMATTER_PROP_FORCE_SCALE_ONE,
 ZYDIS_FORMATTER_PROP_FORCE_RELATIVE_BRANCHES,
 ZYDIS_FORMATTER_PROP_FORCE_RELATIVE_RIPREL,
 ZYDIS_FORMATTER_PROP_PRINT_BRANCH_SIZE,
 
 ZYDIS_FORMATTER_PROP_DETAILED_PREFIXES,
 
 /* ---------------------------------------------------------------------------------------- */
 /* Numeric values */
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_PROP_ADDR_BASE,
 ZYDIS_FORMATTER_PROP_ADDR_SIGNEDNESS,
 ZYDIS_FORMATTER_PROP_ADDR_PADDING_ABSOLUTE,
 ZYDIS_FORMATTER_PROP_ADDR_PADDING_RELATIVE,
 
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_PROP_DISP_BASE,
 ZYDIS_FORMATTER_PROP_DISP_SIGNEDNESS,
 ZYDIS_FORMATTER_PROP_DISP_PADDING,
 
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_PROP_IMM_BASE,
 ZYDIS_FORMATTER_PROP_IMM_SIGNEDNESS,
 ZYDIS_FORMATTER_PROP_IMM_PADDING,
 
 /* ---------------------------------------------------------------------------------------- */
 /* Text formatting */
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_PROP_UPPERCASE_PREFIXES,
 ZYDIS_FORMATTER_PROP_UPPERCASE_MNEMONIC,
 ZYDIS_FORMATTER_PROP_UPPERCASE_REGISTERS,
 ZYDIS_FORMATTER_PROP_UPPERCASE_TYPECASTS,
 ZYDIS_FORMATTER_PROP_UPPERCASE_DECORATORS,
 
 /* ---------------------------------------------------------------------------------------- */
 /* Number formatting */
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_PROP_DEC_PREFIX,
 ZYDIS_FORMATTER_PROP_DEC_SUFFIX,
 
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_PROP_HEX_UPPERCASE,
 ZYDIS_FORMATTER_PROP_HEX_FORCE_LEADING_NUMBER,
 ZYDIS_FORMATTER_PROP_HEX_PREFIX,
 ZYDIS_FORMATTER_PROP_HEX_SUFFIX,
 
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_PROP_MAX_VALUE = ZYDIS_FORMATTER_PROP_HEX_SUFFIX,
 ZYDIS_FORMATTER_PROP_REQUIRED_BITS = ZYAN_BITS_TO_REPRESENT(ZYDIS_FORMATTER_PROP_MAX_VALUE)
} ZydisFormatterProperty;
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef enum ZydisNumericBase_
{
 ZYDIS_NUMERIC_BASE_DEC,
 ZYDIS_NUMERIC_BASE_HEX,
 
 ZYDIS_NUMERIC_BASE_MAX_VALUE = ZYDIS_NUMERIC_BASE_HEX,
 ZYDIS_NUMERIC_BASE_REQUIRED_BITS = ZYAN_BITS_TO_REPRESENT(ZYDIS_NUMERIC_BASE_MAX_VALUE)
} ZydisNumericBase;
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef enum ZydisSignedness_
{
 ZYDIS_SIGNEDNESS_AUTO,
 ZYDIS_SIGNEDNESS_SIGNED,
 ZYDIS_SIGNEDNESS_UNSIGNED,
 
 ZYDIS_SIGNEDNESS_MAX_VALUE = ZYDIS_SIGNEDNESS_UNSIGNED,
 ZYDIS_SIGNEDNESS_REQUIRED_BITS = ZYAN_BITS_TO_REPRESENT(ZYDIS_SIGNEDNESS_MAX_VALUE)
} ZydisSignedness;
 
/* ---------------------------------------------------------------------------------------------- */
 
typedef enum ZydisPadding_
{
 ZYDIS_PADDING_DISABLED = 0,
 ZYDIS_PADDING_AUTO = (-1),
 
 ZYDIS_PADDING_MAX_VALUE = ZYDIS_PADDING_AUTO,
 ZYDIS_PADDING_REQUIRED_BITS = ZYAN_BITS_TO_REPRESENT(ZYDIS_PADDING_MAX_VALUE)
} ZydisPadding;
 
/* ---------------------------------------------------------------------------------------------- */
/* Function types */
/* ---------------------------------------------------------------------------------------------- */
 
typedef enum ZydisFormatterFunction_
{
 /* ---------------------------------------------------------------------------------------- */
 /* Instruction */
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_FUNC_PRE_INSTRUCTION,
 ZYDIS_FORMATTER_FUNC_POST_INSTRUCTION,
 
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_FUNC_FORMAT_INSTRUCTION,
 
 /* ---------------------------------------------------------------------------------------- */
 /* Operands */
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_FUNC_PRE_OPERAND,
 ZYDIS_FORMATTER_FUNC_POST_OPERAND,
 
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_FUNC_FORMAT_OPERAND_REG,
 ZYDIS_FORMATTER_FUNC_FORMAT_OPERAND_MEM,
 ZYDIS_FORMATTER_FUNC_FORMAT_OPERAND_PTR,
 ZYDIS_FORMATTER_FUNC_FORMAT_OPERAND_IMM,
 
 /* ---------------------------------------------------------------------------------------- */
 /* Elemental tokens */
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_FUNC_PRINT_MNEMONIC,
 
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_FUNC_PRINT_REGISTER,
 ZYDIS_FORMATTER_FUNC_PRINT_ADDRESS_ABS,
 ZYDIS_FORMATTER_FUNC_PRINT_ADDRESS_REL,
 ZYDIS_FORMATTER_FUNC_PRINT_DISP,
 ZYDIS_FORMATTER_FUNC_PRINT_IMM,
 
 /* ---------------------------------------------------------------------------------------- */
 /* Optional tokens */
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_FUNC_PRINT_TYPECAST,
 ZYDIS_FORMATTER_FUNC_PRINT_SEGMENT,
 ZYDIS_FORMATTER_FUNC_PRINT_PREFIXES,
 ZYDIS_FORMATTER_FUNC_PRINT_DECORATOR,
 
 /* ---------------------------------------------------------------------------------------- */
 
 ZYDIS_FORMATTER_FUNC_MAX_VALUE = ZYDIS_FORMATTER_FUNC_PRINT_DECORATOR,
 ZYDIS_FORMATTER_FUNC_REQUIRED_BITS = ZYAN_BITS_TO_REPRESENT(ZYDIS_FORMATTER_FUNC_MAX_VALUE)
} ZydisFormatterFunction;
 
/* ---------------------------------------------------------------------------------------------- */
/* Decorator types */
/* ---------------------------------------------------------------------------------------------- */
 
typedef enum ZydisDecorator_
{
 ZYDIS_DECORATOR_INVALID,
 ZYDIS_DECORATOR_MASK,
 ZYDIS_DECORATOR_BC,
 ZYDIS_DECORATOR_RC,
 ZYDIS_DECORATOR_SAE,
 ZYDIS_DECORATOR_SWIZZLE,
 ZYDIS_DECORATOR_CONVERSION,
 ZYDIS_DECORATOR_EH,
 
 ZYDIS_DECORATOR_MAX_VALUE = ZYDIS_DECORATOR_EH,
 ZYDIS_DECORATOR_REQUIRED_BITS = ZYAN_BITS_TO_REPRESENT(ZYDIS_DECORATOR_MAX_VALUE)
} ZydisDecorator;
 
/* ---------------------------------------------------------------------------------------------- */
/* Formatter context */
/* ---------------------------------------------------------------------------------------------- */
 
typedef struct ZydisFormatter_ ZydisFormatter;
 
typedef struct ZydisFormatterContext_
{
 const ZydisDecodedInstruction* instruction;
 const ZydisDecodedOperand* operands;
 const ZydisDecodedOperand* operand;
 ZyanU64 runtime_address;
 void* user_data;
} ZydisFormatterContext;
 
/* ---------------------------------------------------------------------------------------------- */
/* Function prototypes */
/* ---------------------------------------------------------------------------------------------- */
 
typedef ZyanStatus (*ZydisFormatterFunc)(const ZydisFormatter* formatter,
 ZydisFormatterBuffer* buffer, ZydisFormatterContext* context);
 
typedef ZyanStatus (*ZydisFormatterRegisterFunc)(const ZydisFormatter* formatter,
 ZydisFormatterBuffer* buffer, ZydisFormatterContext* context, ZydisRegister reg);
 
typedef ZyanStatus (*ZydisFormatterDecoratorFunc)(const ZydisFormatter* formatter,
 ZydisFormatterBuffer* buffer, ZydisFormatterContext* context, ZydisDecorator decorator);
 
/* ---------------------------------------------------------------------------------------------- */
/* Formatter struct */
/* ---------------------------------------------------------------------------------------------- */
 
struct ZydisFormatter_
{
 ZydisFormatterStyle style;
 ZyanBool force_memory_size;
 ZyanBool force_memory_segment;
 ZyanBool force_memory_scale;
 ZyanBool force_relative_branches;
 ZyanBool force_relative_riprel;
 ZyanBool print_branch_size;
 ZyanBool detailed_prefixes;
 ZydisNumericBase addr_base;
 ZydisSignedness addr_signedness;
 ZydisPadding addr_padding_absolute;
 ZydisPadding addr_padding_relative;
 ZydisNumericBase disp_base;
 ZydisSignedness disp_signedness;
 ZydisPadding disp_padding;
 ZydisNumericBase imm_base;
 ZydisSignedness imm_signedness;
 ZydisPadding imm_padding;
 ZyanI32 case_prefixes;
 ZyanI32 case_mnemonic;
 ZyanI32 case_registers;
 ZyanI32 case_typecasts;
 ZyanI32 case_decorators;
 ZyanBool hex_uppercase;
 ZyanBool hex_force_leading_number;
 struct
 {
 const ZyanStringView* string;
 ZyanStringView string_data;
 char buffer[11];
 } number_format[ZYDIS_NUMERIC_BASE_MAX_VALUE + 1][2];
 ZydisFormatterFunc func_pre_instruction;
 ZydisFormatterFunc func_post_instruction;
 ZydisFormatterFunc func_format_instruction;
 ZydisFormatterFunc func_pre_operand;
 ZydisFormatterFunc func_post_operand;
 ZydisFormatterFunc func_format_operand_reg;
 ZydisFormatterFunc func_format_operand_mem;
 ZydisFormatterFunc func_format_operand_ptr;
 ZydisFormatterFunc func_format_operand_imm;
 ZydisFormatterFunc func_print_mnemonic;
 ZydisFormatterRegisterFunc func_print_register;
 ZydisFormatterFunc func_print_address_abs;
 ZydisFormatterFunc func_print_address_rel;
 ZydisFormatterFunc func_print_disp;
 ZydisFormatterFunc func_print_imm;
 ZydisFormatterFunc func_print_typecast;
 ZydisFormatterFunc func_print_segment;
 ZydisFormatterFunc func_print_prefixes;
 ZydisFormatterDecoratorFunc func_print_decorator;
};
 
/* ---------------------------------------------------------------------------------------------- */
 
/* ============================================================================================== */
/* Exported functions */
/* ============================================================================================== */
 
/* ---------------------------------------------------------------------------------------------- */
/* Initialization */
/* ---------------------------------------------------------------------------------------------- */
 
ZYDIS_EXPORT ZyanStatus ZydisFormatterInit(ZydisFormatter* formatter, ZydisFormatterStyle style);
 
/* ---------------------------------------------------------------------------------------------- */
/* Setter */
/* ---------------------------------------------------------------------------------------------- */
 
ZYDIS_EXPORT ZyanStatus ZydisFormatterSetProperty(ZydisFormatter* formatter,
 ZydisFormatterProperty property, ZyanUPointer value);
 
ZYDIS_EXPORT ZyanStatus ZydisFormatterSetHook(ZydisFormatter* formatter,
 ZydisFormatterFunction type, const void** callback);
 
/* ---------------------------------------------------------------------------------------------- */
/* Formatting */
/* ---------------------------------------------------------------------------------------------- */
 
ZYDIS_EXPORT ZyanStatus ZydisFormatterFormatInstruction(const ZydisFormatter* formatter,
 const ZydisDecodedInstruction* instruction, const ZydisDecodedOperand* operands,
 ZyanU8 operand_count, char* buffer, ZyanUSize length, ZyanU64 runtime_address,
 void* user_data);
 
ZYDIS_EXPORT ZyanStatus ZydisFormatterFormatOperand(const ZydisFormatter* formatter,
 const ZydisDecodedInstruction* instruction, const ZydisDecodedOperand* operand,
 char* buffer, ZyanUSize length, ZyanU64 runtime_address, void* user_data);
 
/* ---------------------------------------------------------------------------------------------- */
/* Tokenizing */
/* ---------------------------------------------------------------------------------------------- */
 
ZYDIS_EXPORT ZyanStatus ZydisFormatterTokenizeInstruction(const ZydisFormatter* formatter,
 const ZydisDecodedInstruction* instruction, const ZydisDecodedOperand* operands,
 ZyanU8 operand_count, void* buffer, ZyanUSize length, ZyanU64 runtime_address,
 ZydisFormatterTokenConst** token, void* user_data);
 
ZYDIS_EXPORT ZyanStatus ZydisFormatterTokenizeOperand(const ZydisFormatter* formatter,
 const ZydisDecodedInstruction* instruction, const ZydisDecodedOperand* operand,
 void* buffer, ZyanUSize length, ZyanU64 runtime_address, ZydisFormatterTokenConst** token,
 void* user_data);
 
/* ---------------------------------------------------------------------------------------------- */
 
/* ============================================================================================== */
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZYDIS_FORMATTER_H */