ircolib/arch/X86/X86InstPrinterCommon.c

//===--- X86InstPrinterCommon.cpp - X86 assembly instruction printing -----===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file includes common code for rendering MCInst instances as Intel-style
// and Intel-style assembly.
//
//===----------------------------------------------------------------------===//

/* Capstone Disassembly Engine */
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2019 */

#ifdef _MSC_VER
// disable MSVC's warning on strncpy()
#pragma warning(disable : 4996)
// disable MSVC's warning on strncpy()
#pragma warning(disable : 28719)
#endif

#if !defined(CAPSTONE_HAS_OSXKERNEL)
#include <ctype.h>
#endif
#include <capstone/platform.h>

#if defined(CAPSTONE_HAS_OSXKERNEL)
#include <Availability.h>
#include <libkern/libkern.h>
#else
#include <stdio.h>
#include <stdlib.h>
#endif

#include <string.h>

#include "../../utils.h"
#include "../../MCInst.h"
#include "../../SStream.h"

#include "X86InstPrinterCommon.h"
#include "X86Mapping.h"

#ifndef CAPSTONE_X86_REDUCE
void printSSEAVXCC(MCInst *MI, unsigned Op, SStream *O)
{
	uint8_t Imm =
		(uint8_t)(MCOperand_getImm(MCInst_getOperand(MI, Op)) & 0x1f);
	switch (Imm) {
	default:
		break; //printf("Invalid avxcc argument!\n"); break;
	case 0:
		SStream_concat0(O, "eq");
		op_addAvxCC(MI, X86_AVX_CC_EQ);
		break;
	case 1:
		SStream_concat0(O, "lt");
		op_addAvxCC(MI, X86_AVX_CC_LT);
		break;
	case 2:
		SStream_concat0(O, "le");
		op_addAvxCC(MI, X86_AVX_CC_LE);
		break;
	case 3:
		SStream_concat0(O, "unord");
		op_addAvxCC(MI, X86_AVX_CC_UNORD);
		break;
	case 4:
		SStream_concat0(O, "neq");
		op_addAvxCC(MI, X86_AVX_CC_NEQ);
		break;
	case 5:
		SStream_concat0(O, "nlt");
		op_addAvxCC(MI, X86_AVX_CC_NLT);
		break;
	case 6:
		SStream_concat0(O, "nle");
		op_addAvxCC(MI, X86_AVX_CC_NLE);
		break;
	case 7:
		SStream_concat0(O, "ord");
		op_addAvxCC(MI, X86_AVX_CC_ORD);
		break;
	case 8:
		SStream_concat0(O, "eq_uq");
		op_addAvxCC(MI, X86_AVX_CC_EQ_UQ);
		break;
	case 9:
		SStream_concat0(O, "nge");
		op_addAvxCC(MI, X86_AVX_CC_NGE);
		break;
	case 0xa:
		SStream_concat0(O, "ngt");
		op_addAvxCC(MI, X86_AVX_CC_NGT);
		break;
	case 0xb:
		SStream_concat0(O, "false");
		op_addAvxCC(MI, X86_AVX_CC_FALSE);
		break;
	case 0xc:
		SStream_concat0(O, "neq_oq");
		op_addAvxCC(MI, X86_AVX_CC_NEQ_OQ);
		break;
	case 0xd:
		SStream_concat0(O, "ge");
		op_addAvxCC(MI, X86_AVX_CC_GE);
		break;
	case 0xe:
		SStream_concat0(O, "gt");
		op_addAvxCC(MI, X86_AVX_CC_GT);
		break;
	case 0xf:
		SStream_concat0(O, "true");
		op_addAvxCC(MI, X86_AVX_CC_TRUE);
		break;
	case 0x10:
		SStream_concat0(O, "eq_os");
		op_addAvxCC(MI, X86_AVX_CC_EQ_OS);
		break;
	case 0x11:
		SStream_concat0(O, "lt_oq");
		op_addAvxCC(MI, X86_AVX_CC_LT_OQ);
		break;
	case 0x12:
		SStream_concat0(O, "le_oq");
		op_addAvxCC(MI, X86_AVX_CC_LE_OQ);
		break;
	case 0x13:
		SStream_concat0(O, "unord_s");
		op_addAvxCC(MI, X86_AVX_CC_UNORD_S);
		break;
	case 0x14:
		SStream_concat0(O, "neq_us");
		op_addAvxCC(MI, X86_AVX_CC_NEQ_US);
		break;
	case 0x15:
		SStream_concat0(O, "nlt_uq");
		op_addAvxCC(MI, X86_AVX_CC_NLT_UQ);
		break;
	case 0x16:
		SStream_concat0(O, "nle_uq");
		op_addAvxCC(MI, X86_AVX_CC_NLE_UQ);
		break;
	case 0x17:
		SStream_concat0(O, "ord_s");
		op_addAvxCC(MI, X86_AVX_CC_ORD_S);
		break;
	case 0x18:
		SStream_concat0(O, "eq_us");
		op_addAvxCC(MI, X86_AVX_CC_EQ_US);
		break;
	case 0x19:
		SStream_concat0(O, "nge_uq");
		op_addAvxCC(MI, X86_AVX_CC_NGE_UQ);
		break;
	case 0x1a:
		SStream_concat0(O, "ngt_uq");
		op_addAvxCC(MI, X86_AVX_CC_NGT_UQ);
		break;
	case 0x1b:
		SStream_concat0(O, "false_os");
		op_addAvxCC(MI, X86_AVX_CC_FALSE_OS);
		break;
	case 0x1c:
		SStream_concat0(O, "neq_os");
		op_addAvxCC(MI, X86_AVX_CC_NEQ_OS);
		break;
	case 0x1d:
		SStream_concat0(O, "ge_oq");
		op_addAvxCC(MI, X86_AVX_CC_GE_OQ);
		break;
	case 0x1e:
		SStream_concat0(O, "gt_oq");
		op_addAvxCC(MI, X86_AVX_CC_GT_OQ);
		break;
	case 0x1f:
		SStream_concat0(O, "true_us");
		op_addAvxCC(MI, X86_AVX_CC_TRUE_US);
		break;
	}

	MI->popcode_adjust = Imm + 1;
}

void printXOPCC(MCInst *MI, unsigned Op, SStream *O)
{
	int64_t Imm = MCOperand_getImm(MCInst_getOperand(MI, Op));

	switch (Imm) {
	default: // llvm_unreachable("Invalid xopcc argument!");
	case 0:
		SStream_concat0(O, "lt");
		op_addXopCC(MI, X86_XOP_CC_LT);
		break;
	case 1:
		SStream_concat0(O, "le");
		op_addXopCC(MI, X86_XOP_CC_LE);
		break;
	case 2:
		SStream_concat0(O, "gt");
		op_addXopCC(MI, X86_XOP_CC_GT);
		break;
	case 3:
		SStream_concat0(O, "ge");
		op_addXopCC(MI, X86_XOP_CC_GE);
		break;
	case 4:
		SStream_concat0(O, "eq");
		op_addXopCC(MI, X86_XOP_CC_EQ);
		break;
	case 5:
		SStream_concat0(O, "neq");
		op_addXopCC(MI, X86_XOP_CC_NEQ);
		break;
	case 6:
		SStream_concat0(O, "false");
		op_addXopCC(MI, X86_XOP_CC_FALSE);
		break;
	case 7:
		SStream_concat0(O, "true");
		op_addXopCC(MI, X86_XOP_CC_TRUE);
		break;
	}
}

void printRoundingControl(MCInst *MI, unsigned Op, SStream *O)
{
	int64_t Imm = MCOperand_getImm(MCInst_getOperand(MI, Op)) & 0x3;
	switch (Imm) {
	case 0:
		SStream_concat0(O, "{rn-sae}");
		op_addAvxSae(MI);
		op_addAvxRoundingMode(MI, X86_AVX_RM_RN);
		break;
	case 1:
		SStream_concat0(O, "{rd-sae}");
		op_addAvxSae(MI);
		op_addAvxRoundingMode(MI, X86_AVX_RM_RD);
		break;
	case 2:
		SStream_concat0(O, "{ru-sae}");
		op_addAvxSae(MI);
		op_addAvxRoundingMode(MI, X86_AVX_RM_RU);
		break;
	case 3:
		SStream_concat0(O, "{rz-sae}");
		op_addAvxSae(MI);
		op_addAvxRoundingMode(MI, X86_AVX_RM_RZ);
		break;
	default:
		break; // never reach
	}
}
#endif