/* Capstone Disassembly Engine */
/* By Spike <spikeinhouse@gmail.com>, xwings 2019 */

#ifndef CAPSTONE_WASM_H
#define CAPSTONE_WASM_H

#ifdef __cplusplus
extern "C" {
#endif

#include "platform.h"
#include "cs_operand.h"

#ifdef _MSC_VER
#pragma warning(disable:4201)
#endif

typedef enum wasm_op_type {
	WASM_OP_INVALID = CS_OP_INVALID,
	WASM_OP_IMM = CS_OP_IMM,
	WASM_OP_NONE = CS_OP_SPECIAL + 0,
	WASM_OP_INT7 = CS_OP_SPECIAL + 1,
	WASM_OP_VARUINT32 = CS_OP_SPECIAL + 2,
	WASM_OP_VARUINT64 = CS_OP_SPECIAL + 3,
	WASM_OP_UINT32 = CS_OP_SPECIAL + 4,
	WASM_OP_UINT64 = CS_OP_SPECIAL + 5,
	WASM_OP_BRTABLE = CS_OP_SPECIAL + 6,
} wasm_op_type;

typedef struct cs_wasm_brtable {
	uint32_t length;
	uint64_t address;
	uint32_t default_target;
} cs_wasm_brtable;

typedef struct cs_wasm_op {
	wasm_op_type type;
	uint32_t size;
	union {
		int8_t int7;
		uint32_t varuint32;
		uint64_t varuint64;
		uint32_t uint32;
		uint64_t uint64;
		uint32_t immediate[2];
		cs_wasm_brtable brtable;
	};
} cs_wasm_op;

/// Instruction structure
typedef struct cs_wasm {
	uint8_t op_count;
	cs_wasm_op operands[2];
} cs_wasm;

/// WASM instruction
typedef enum wasm_insn {
	WASM_INS_UNREACHABLE = 0x0,
	WASM_INS_NOP = 0x1,
	WASM_INS_BLOCK = 0x2,
	WASM_INS_LOOP = 0x3,
	WASM_INS_IF = 0x4,
	WASM_INS_ELSE = 0x5,
	WASM_INS_END = 0xb,
	WASM_INS_BR = 0xc,
	WASM_INS_BR_IF = 0xd,
	WASM_INS_BR_TABLE = 0xe,
	WASM_INS_RETURN = 0xf,
	WASM_INS_CALL = 0x10,
	WASM_INS_CALL_INDIRECT = 0x11,
	WASM_INS_DROP = 0x1a,
	WASM_INS_SELECT = 0x1b,
	WASM_INS_GET_LOCAL = 0x20,
	WASM_INS_SET_LOCAL = 0x21,
	WASM_INS_TEE_LOCAL = 0x22,
	WASM_INS_GET_GLOBAL = 0x23,
	WASM_INS_SET_GLOBAL = 0x24,
	WASM_INS_I32_LOAD = 0x28,
	WASM_INS_I64_LOAD = 0x29,
	WASM_INS_F32_LOAD = 0x2a,
	WASM_INS_F64_LOAD = 0x2b,
	WASM_INS_I32_LOAD8_S = 0x2c,
	WASM_INS_I32_LOAD8_U = 0x2d,
	WASM_INS_I32_LOAD16_S = 0x2e,
	WASM_INS_I32_LOAD16_U = 0x2f,
	WASM_INS_I64_LOAD8_S = 0x30,
	WASM_INS_I64_LOAD8_U = 0x31,
	WASM_INS_I64_LOAD16_S = 0x32,
	WASM_INS_I64_LOAD16_U = 0x33,
	WASM_INS_I64_LOAD32_S = 0x34,
	WASM_INS_I64_LOAD32_U = 0x35,
	WASM_INS_I32_STORE = 0x36,
	WASM_INS_I64_STORE = 0x37,
	WASM_INS_F32_STORE = 0x38,
	WASM_INS_F64_STORE = 0x39,
	WASM_INS_I32_STORE8 = 0x3a,
	WASM_INS_I32_STORE16 = 0x3b,
	WASM_INS_I64_STORE8 = 0x3c,
	WASM_INS_I64_STORE16 = 0x3d,
	WASM_INS_I64_STORE32 = 0x3e,
	WASM_INS_CURRENT_MEMORY = 0x3f,
	WASM_INS_GROW_MEMORY = 0x40,
	WASM_INS_I32_CONST = 0x41,
	WASM_INS_I64_CONST = 0x42,
	WASM_INS_F32_CONST = 0x43,
	WASM_INS_F64_CONST = 0x44,
	WASM_INS_I32_EQZ = 0x45,
	WASM_INS_I32_EQ = 0x46,
	WASM_INS_I32_NE = 0x47,
	WASM_INS_I32_LT_S = 0x48,
	WASM_INS_I32_LT_U = 0x49,
	WASM_INS_I32_GT_S = 0x4a,
	WASM_INS_I32_GT_U = 0x4b,
	WASM_INS_I32_LE_S = 0x4c,
	WASM_INS_I32_LE_U = 0x4d,
	WASM_INS_I32_GE_S = 0x4e,
	WASM_INS_I32_GE_U = 0x4f,
	WASM_INS_I64_EQZ = 0x50,
	WASM_INS_I64_EQ = 0x51,
	WASM_INS_I64_NE = 0x52,
	WASM_INS_I64_LT_S = 0x53,
	WASM_INS_I64_LT_U = 0x54,
	WASN_INS_I64_GT_S = 0x55,
	WASM_INS_I64_GT_U = 0x56,
	WASM_INS_I64_LE_S = 0x57,
	WASM_INS_I64_LE_U = 0x58,
	WASM_INS_I64_GE_S = 0x59,
	WASM_INS_I64_GE_U = 0x5a,
	WASM_INS_F32_EQ = 0x5b,
	WASM_INS_F32_NE = 0x5c,
	WASM_INS_F32_LT = 0x5d,
	WASM_INS_F32_GT = 0x5e,
	WASM_INS_F32_LE = 0x5f,
	WASM_INS_F32_GE = 0x60,
	WASM_INS_F64_EQ = 0x61,
	WASM_INS_F64_NE = 0x62,
	WASM_INS_F64_LT = 0x63,
	WASM_INS_F64_GT = 0x64,
	WASM_INS_F64_LE = 0x65,
	WASM_INS_F64_GE = 0x66,
	WASM_INS_I32_CLZ = 0x67,
	WASM_INS_I32_CTZ = 0x68,
	WASM_INS_I32_POPCNT = 0x69,
	WASM_INS_I32_ADD = 0x6a,
	WASM_INS_I32_SUB = 0x6b,
	WASM_INS_I32_MUL = 0x6c,
	WASM_INS_I32_DIV_S = 0x6d,
	WASM_INS_I32_DIV_U = 0x6e,
	WASM_INS_I32_REM_S = 0x6f,
	WASM_INS_I32_REM_U = 0x70,
	WASM_INS_I32_AND = 0x71,
	WASM_INS_I32_OR = 0x72,
	WASM_INS_I32_XOR = 0x73,
	WASM_INS_I32_SHL = 0x74,
	WASM_INS_I32_SHR_S = 0x75,
	WASM_INS_I32_SHR_U = 0x76,
	WASM_INS_I32_ROTL = 0x77,
	WASM_INS_I32_ROTR = 0x78,
	WASM_INS_I64_CLZ = 0x79,
	WASM_INS_I64_CTZ = 0x7a,
	WASM_INS_I64_POPCNT = 0x7b,
	WASM_INS_I64_ADD = 0x7c,
	WASM_INS_I64_SUB = 0x7d,
	WASM_INS_I64_MUL = 0x7e,
	WASM_INS_I64_DIV_S = 0x7f,
	WASM_INS_I64_DIV_U = 0x80,
	WASM_INS_I64_REM_S = 0x81,
	WASM_INS_I64_REM_U = 0x82,
	WASM_INS_I64_AND = 0x83,
	WASM_INS_I64_OR = 0x84,
	WASM_INS_I64_XOR = 0x85,
	WASM_INS_I64_SHL = 0x86,
	WASM_INS_I64_SHR_S = 0x87,
	WASM_INS_I64_SHR_U = 0x88,
	WASM_INS_I64_ROTL = 0x89,
	WASM_INS_I64_ROTR = 0x8a,
	WASM_INS_F32_ABS = 0x8b,
	WASM_INS_F32_NEG = 0x8c,
	WASM_INS_F32_CEIL = 0x8d,
	WASM_INS_F32_FLOOR = 0x8e,
	WASM_INS_F32_TRUNC = 0x8f,
	WASM_INS_F32_NEAREST = 0x90,
	WASM_INS_F32_SQRT = 0x91,
	WASM_INS_F32_ADD = 0x92,
	WASM_INS_F32_SUB = 0x93,
	WASM_INS_F32_MUL = 0x94,
	WASM_INS_F32_DIV = 0x95,
	WASM_INS_F32_MIN = 0x96,
	WASM_INS_F32_MAX = 0x97,
	WASM_INS_F32_COPYSIGN = 0x98,
	WASM_INS_F64_ABS = 0x99,
	WASM_INS_F64_NEG = 0x9a,
	WASM_INS_F64_CEIL = 0x9b,
	WASM_INS_F64_FLOOR = 0x9c,
	WASM_INS_F64_TRUNC = 0x9d,
	WASM_INS_F64_NEAREST = 0x9e,
	WASM_INS_F64_SQRT = 0x9f,
	WASM_INS_F64_ADD = 0xa0,
	WASM_INS_F64_SUB = 0xa1,
	WASM_INS_F64_MUL = 0xa2,
	WASM_INS_F64_DIV = 0xa3,
	WASM_INS_F64_MIN = 0xa4,
	WASM_INS_F64_MAX = 0xa5,
	WASM_INS_F64_COPYSIGN = 0xa6,
	WASM_INS_I32_WARP_I64 = 0xa7,
	WASP_INS_I32_TRUNC_S_F32 = 0xa8,
	WASM_INS_I32_TRUNC_U_F32 = 0xa9,
	WASM_INS_I32_TRUNC_S_F64 = 0xaa,
	WASM_INS_I32_TRUNC_U_F64 = 0xab,
	WASM_INS_I64_EXTEND_S_I32 = 0xac,
	WASM_INS_I64_EXTEND_U_I32 = 0xad,
	WASM_INS_I64_TRUNC_S_F32 = 0xae,
	WASM_INS_I64_TRUNC_U_F32 = 0xaf,
	WASM_INS_I64_TRUNC_S_F64 = 0xb0,
	WASM_INS_I64_TRUNC_U_F64 = 0xb1,
	WASM_INS_F32_CONVERT_S_I32 = 0xb2,
	WASM_INS_F32_CONVERT_U_I32 = 0xb3,
	WASM_INS_F32_CONVERT_S_I64 = 0xb4,
	WASM_INS_F32_CONVERT_U_I64 = 0xb5,
	WASM_INS_F32_DEMOTE_F64 = 0xb6,
	WASM_INS_F64_CONVERT_S_I32 = 0xb7,
	WASM_INS_F64_CONVERT_U_I32 = 0xb8,
	WASM_INS_F64_CONVERT_S_I64 = 0xb9,
	WASM_INS_F64_CONVERT_U_I64 = 0xba,
	WASM_INS_F64_PROMOTE_F32 = 0xbb,
	WASM_INS_I32_REINTERPRET_F32 = 0xbc,
	WASM_INS_I64_REINTERPRET_F64 = 0xbd,
	WASM_INS_F32_REINTERPRET_I32 = 0xbe,
	WASM_INS_F64_REINTERPRET_I64 = 0xbf,
	WASM_INS_INVALID = 512,
	WASM_INS_ENDING,
} wasm_insn;

/// Group of WASM instructions
typedef enum wasm_insn_group {
	WASM_GRP_INVALID = 0, ///< = CS_GRP_INVALID

	WASM_GRP_NUMBERIC = 8,
	WASM_GRP_PARAMETRIC,
	WASM_GRP_VARIABLE,
	WASM_GRP_MEMORY,
	WASM_GRP_CONTROL,

	WASM_GRP_ENDING,   ///< <-- mark the end of the list of groups
} wasm_insn_group;

#ifdef __cplusplus
}
#endif

#endif
