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-rw-r--r--capstone/arch/X86/X86ATTInstPrinter.c997
1 files changed, 997 insertions, 0 deletions
diff --git a/capstone/arch/X86/X86ATTInstPrinter.c b/capstone/arch/X86/X86ATTInstPrinter.c
new file mode 100644
index 000000000..216efb256
--- /dev/null
+++ b/capstone/arch/X86/X86ATTInstPrinter.c
@@ -0,0 +1,997 @@
+//===-- X86ATTInstPrinter.cpp - AT&T 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 code for rendering MCInst instances as AT&T-style
+// assembly.
+//
+//===----------------------------------------------------------------------===//
+
+/* Capstone Disassembly Engine */
+/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2019 */
+
+// this code is only relevant when DIET mode is disable
+#if defined(CAPSTONE_HAS_X86) && !defined(CAPSTONE_DIET) && !defined(CAPSTONE_X86_ATT_DISABLE)
+
+#if defined (WIN32) || defined (WIN64) || defined (_WIN32) || defined (_WIN64)
+#pragma warning(disable:4996) // disable MSVC's warning on strncpy()
+#pragma warning(disable:28719) // disable MSVC's warning on strncpy()
+#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 "../../MCRegisterInfo.h"
+#include "X86Mapping.h"
+#include "X86BaseInfo.h"
+#include "X86InstPrinterCommon.h"
+
+#define GET_INSTRINFO_ENUM
+#ifdef CAPSTONE_X86_REDUCE
+#include "X86GenInstrInfo_reduce.inc"
+#else
+#include "X86GenInstrInfo.inc"
+#endif
+
+#define GET_REGINFO_ENUM
+#include "X86GenRegisterInfo.inc"
+
+static void printMemReference(MCInst *MI, unsigned Op, SStream *O);
+static void printOperand(MCInst *MI, unsigned OpNo, SStream *O);
+
+
+static void set_mem_access(MCInst *MI, bool status)
+{
+ if (MI->csh->detail != CS_OPT_ON)
+ return;
+
+ MI->csh->doing_mem = status;
+ if (!status)
+ // done, create the next operand slot
+ MI->flat_insn->detail->x86.op_count++;
+}
+
+static void printopaquemem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ switch(MI->csh->mode) {
+ case CS_MODE_16:
+ switch(MI->flat_insn->id) {
+ default:
+ MI->x86opsize = 2;
+ break;
+ case X86_INS_LJMP:
+ case X86_INS_LCALL:
+ MI->x86opsize = 4;
+ break;
+ case X86_INS_SGDT:
+ case X86_INS_SIDT:
+ case X86_INS_LGDT:
+ case X86_INS_LIDT:
+ MI->x86opsize = 6;
+ break;
+ }
+ break;
+ case CS_MODE_32:
+ switch(MI->flat_insn->id) {
+ default:
+ MI->x86opsize = 4;
+ break;
+ case X86_INS_LJMP:
+ case X86_INS_JMP:
+ case X86_INS_LCALL:
+ case X86_INS_SGDT:
+ case X86_INS_SIDT:
+ case X86_INS_LGDT:
+ case X86_INS_LIDT:
+ MI->x86opsize = 6;
+ break;
+ }
+ break;
+ case CS_MODE_64:
+ switch(MI->flat_insn->id) {
+ default:
+ MI->x86opsize = 8;
+ break;
+ case X86_INS_LJMP:
+ case X86_INS_LCALL:
+ case X86_INS_SGDT:
+ case X86_INS_SIDT:
+ case X86_INS_LGDT:
+ case X86_INS_LIDT:
+ MI->x86opsize = 10;
+ break;
+ }
+ break;
+ default: // never reach
+ break;
+ }
+
+ printMemReference(MI, OpNo, O);
+}
+
+static void printi8mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 1;
+ printMemReference(MI, OpNo, O);
+}
+
+static void printi16mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 2;
+
+ printMemReference(MI, OpNo, O);
+}
+
+static void printi32mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 4;
+
+ printMemReference(MI, OpNo, O);
+}
+
+static void printi64mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 8;
+ printMemReference(MI, OpNo, O);
+}
+
+static void printi128mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 16;
+ printMemReference(MI, OpNo, O);
+}
+
+static void printi512mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 64;
+ printMemReference(MI, OpNo, O);
+}
+
+#ifndef CAPSTONE_X86_REDUCE
+static void printi256mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 32;
+ printMemReference(MI, OpNo, O);
+}
+
+static void printf32mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ switch(MCInst_getOpcode(MI)) {
+ default:
+ MI->x86opsize = 4;
+ break;
+ case X86_FSTENVm:
+ case X86_FLDENVm:
+ // TODO: fix this in tablegen instead
+ switch(MI->csh->mode) {
+ default: // never reach
+ break;
+ case CS_MODE_16:
+ MI->x86opsize = 14;
+ break;
+ case CS_MODE_32:
+ case CS_MODE_64:
+ MI->x86opsize = 28;
+ break;
+ }
+ break;
+ }
+
+ printMemReference(MI, OpNo, O);
+}
+
+static void printf64mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 8;
+ printMemReference(MI, OpNo, O);
+}
+
+static void printf80mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 10;
+ printMemReference(MI, OpNo, O);
+}
+
+static void printf128mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 16;
+ printMemReference(MI, OpNo, O);
+}
+
+static void printf256mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 32;
+ printMemReference(MI, OpNo, O);
+}
+
+static void printf512mem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 64;
+ printMemReference(MI, OpNo, O);
+}
+
+#endif
+
+static void printRegName(SStream *OS, unsigned RegNo);
+
+// local printOperand, without updating public operands
+static void _printOperand(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MCOperand *Op = MCInst_getOperand(MI, OpNo);
+ if (MCOperand_isReg(Op)) {
+ printRegName(O, MCOperand_getReg(Op));
+ } else if (MCOperand_isImm(Op)) {
+ uint8_t encsize;
+ uint8_t opsize = X86_immediate_size(MCInst_getOpcode(MI), &encsize);
+
+ // Print X86 immediates as signed values.
+ int64_t imm = MCOperand_getImm(Op);
+ if (imm < 0) {
+ if (MI->csh->imm_unsigned) {
+ if (opsize) {
+ switch(opsize) {
+ default:
+ break;
+ case 1:
+ imm &= 0xff;
+ break;
+ case 2:
+ imm &= 0xffff;
+ break;
+ case 4:
+ imm &= 0xffffffff;
+ break;
+ }
+ }
+
+ SStream_concat(O, "$0x%"PRIx64, imm);
+ } else {
+ if (imm < -HEX_THRESHOLD)
+ SStream_concat(O, "$-0x%"PRIx64, -imm);
+ else
+ SStream_concat(O, "$-%"PRIu64, -imm);
+ }
+ } else {
+ if (imm > HEX_THRESHOLD)
+ SStream_concat(O, "$0x%"PRIx64, imm);
+ else
+ SStream_concat(O, "$%"PRIu64, imm);
+ }
+ }
+}
+
+// convert Intel access info to AT&T access info
+static void get_op_access(cs_struct *h, unsigned int id, uint8_t *access, uint64_t *eflags)
+{
+ uint8_t count, i;
+ const uint8_t *arr = X86_get_op_access(h, id, eflags);
+
+ if (!arr) {
+ access[0] = 0;
+ return;
+ }
+
+ // find the non-zero last entry
+ for(count = 0; arr[count]; count++);
+
+ if (count == 0)
+ return;
+
+ // copy in reverse order this access array from Intel syntax -> AT&T syntax
+ count--;
+ for(i = 0; i <= count; i++) {
+ if (arr[count - i] != CS_AC_IGNORE)
+ access[i] = arr[count - i];
+ else
+ access[i] = 0;
+ }
+}
+
+static void printSrcIdx(MCInst *MI, unsigned Op, SStream *O)
+{
+ MCOperand *SegReg;
+ int reg;
+
+ if (MI->csh->detail) {
+ uint8_t access[6];
+
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].type = X86_OP_MEM;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = MI->x86opsize;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.segment = X86_REG_INVALID;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.base = X86_REG_INVALID;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.index = X86_REG_INVALID;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.scale = 1;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.disp = 0;
+
+ get_op_access(MI->csh, MCInst_getOpcode(MI), access, &MI->flat_insn->detail->x86.eflags);
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].access = access[MI->flat_insn->detail->x86.op_count];
+ }
+
+ SegReg = MCInst_getOperand(MI, Op+1);
+ reg = MCOperand_getReg(SegReg);
+ // If this has a segment register, print it.
+ if (reg) {
+ _printOperand(MI, Op + 1, O);
+ SStream_concat0(O, ":");
+
+ if (MI->csh->detail) {
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.segment = X86_register_map(reg);
+ }
+ }
+
+ SStream_concat0(O, "(");
+ set_mem_access(MI, true);
+
+ printOperand(MI, Op, O);
+
+ SStream_concat0(O, ")");
+ set_mem_access(MI, false);
+}
+
+static void printDstIdx(MCInst *MI, unsigned Op, SStream *O)
+{
+ if (MI->csh->detail) {
+ uint8_t access[6];
+
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].type = X86_OP_MEM;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = MI->x86opsize;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.segment = X86_REG_INVALID;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.base = X86_REG_INVALID;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.index = X86_REG_INVALID;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.scale = 1;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.disp = 0;
+
+ get_op_access(MI->csh, MCInst_getOpcode(MI), access, &MI->flat_insn->detail->x86.eflags);
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].access = access[MI->flat_insn->detail->x86.op_count];
+ }
+
+ // DI accesses are always ES-based on non-64bit mode
+ if (MI->csh->mode != CS_MODE_64) {
+ SStream_concat0(O, "%es:(");
+ if (MI->csh->detail) {
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.segment = X86_REG_ES;
+ }
+ } else
+ SStream_concat0(O, "(");
+
+ set_mem_access(MI, true);
+
+ printOperand(MI, Op, O);
+
+ SStream_concat0(O, ")");
+ set_mem_access(MI, false);
+}
+
+static void printSrcIdx8(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 1;
+ printSrcIdx(MI, OpNo, O);
+}
+
+static void printSrcIdx16(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 2;
+ printSrcIdx(MI, OpNo, O);
+}
+
+static void printSrcIdx32(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 4;
+ printSrcIdx(MI, OpNo, O);
+}
+
+static void printSrcIdx64(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 8;
+ printSrcIdx(MI, OpNo, O);
+}
+
+static void printDstIdx8(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 1;
+ printDstIdx(MI, OpNo, O);
+}
+
+static void printDstIdx16(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 2;
+ printDstIdx(MI, OpNo, O);
+}
+
+static void printDstIdx32(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 4;
+ printDstIdx(MI, OpNo, O);
+}
+
+static void printDstIdx64(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 8;
+ printDstIdx(MI, OpNo, O);
+}
+
+static void printMemOffset(MCInst *MI, unsigned Op, SStream *O)
+{
+ MCOperand *DispSpec = MCInst_getOperand(MI, Op);
+ MCOperand *SegReg = MCInst_getOperand(MI, Op+1);
+ int reg;
+
+ if (MI->csh->detail) {
+ uint8_t access[6];
+
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].type = X86_OP_MEM;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = MI->x86opsize;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.segment = X86_REG_INVALID;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.base = X86_REG_INVALID;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.index = X86_REG_INVALID;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.scale = 1;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.disp = 0;
+
+ get_op_access(MI->csh, MCInst_getOpcode(MI), access, &MI->flat_insn->detail->x86.eflags);
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].access = access[MI->flat_insn->detail->x86.op_count];
+ }
+
+ // If this has a segment register, print it.
+ reg = MCOperand_getReg(SegReg);
+ if (reg) {
+ _printOperand(MI, Op + 1, O);
+ SStream_concat0(O, ":");
+
+ if (MI->csh->detail) {
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.segment = X86_register_map(reg);
+ }
+ }
+
+ if (MCOperand_isImm(DispSpec)) {
+ int64_t imm = MCOperand_getImm(DispSpec);
+ if (MI->csh->detail)
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.disp = imm;
+ if (imm < 0) {
+ SStream_concat(O, "0x%"PRIx64, arch_masks[MI->csh->mode] & imm);
+ } else {
+ if (imm > HEX_THRESHOLD)
+ SStream_concat(O, "0x%"PRIx64, imm);
+ else
+ SStream_concat(O, "%"PRIu64, imm);
+ }
+ }
+
+ if (MI->csh->detail)
+ MI->flat_insn->detail->x86.op_count++;
+}
+
+static void printU8Imm(MCInst *MI, unsigned Op, SStream *O)
+{
+ uint8_t val = MCOperand_getImm(MCInst_getOperand(MI, Op)) & 0xff;
+
+ if (val > HEX_THRESHOLD)
+ SStream_concat(O, "$0x%x", val);
+ else
+ SStream_concat(O, "$%u", val);
+
+ if (MI->csh->detail) {
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].type = X86_OP_IMM;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].imm = val;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = 1;
+ MI->flat_insn->detail->x86.op_count++;
+ }
+}
+
+static void printMemOffs8(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 1;
+ printMemOffset(MI, OpNo, O);
+}
+
+static void printMemOffs16(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 2;
+ printMemOffset(MI, OpNo, O);
+}
+
+static void printMemOffs32(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 4;
+ printMemOffset(MI, OpNo, O);
+}
+
+static void printMemOffs64(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MI->x86opsize = 8;
+ printMemOffset(MI, OpNo, O);
+}
+
+/// printPCRelImm - This is used to print an immediate value that ends up
+/// being encoded as a pc-relative value (e.g. for jumps and calls). These
+/// print slightly differently than normal immediates. For example, a $ is not
+/// emitted.
+static void printPCRelImm(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MCOperand *Op = MCInst_getOperand(MI, OpNo);
+ if (MCOperand_isImm(Op)) {
+ int64_t imm = MCOperand_getImm(Op) + MI->flat_insn->size + MI->address;
+
+ // truncat imm for non-64bit
+ if (MI->csh->mode != CS_MODE_64) {
+ imm = imm & 0xffffffff;
+ }
+
+ if (imm < 0) {
+ SStream_concat(O, "0x%"PRIx64, imm);
+ } else {
+ if (imm > HEX_THRESHOLD)
+ SStream_concat(O, "0x%"PRIx64, imm);
+ else
+ SStream_concat(O, "%"PRIu64, imm);
+ }
+ if (MI->csh->detail) {
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].type = X86_OP_IMM;
+ MI->has_imm = true;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].imm = imm;
+ MI->flat_insn->detail->x86.op_count++;
+ }
+ }
+}
+
+static void printOperand(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ MCOperand *Op = MCInst_getOperand(MI, OpNo);
+ if (MCOperand_isReg(Op)) {
+ unsigned int reg = MCOperand_getReg(Op);
+ printRegName(O, reg);
+ if (MI->csh->detail) {
+ if (MI->csh->doing_mem) {
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.base = X86_register_map(reg);
+ } else {
+ uint8_t access[6];
+
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].type = X86_OP_REG;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].reg = X86_register_map(reg);
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = MI->csh->regsize_map[X86_register_map(reg)];
+
+ get_op_access(MI->csh, MCInst_getOpcode(MI), access, &MI->flat_insn->detail->x86.eflags);
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].access = access[MI->flat_insn->detail->x86.op_count];
+
+ MI->flat_insn->detail->x86.op_count++;
+ }
+ }
+ } else if (MCOperand_isImm(Op)) {
+ // Print X86 immediates as signed values.
+ uint8_t encsize;
+ int64_t imm = MCOperand_getImm(Op);
+ uint8_t opsize = X86_immediate_size(MCInst_getOpcode(MI), &encsize);
+
+ if (opsize == 1) // print 1 byte immediate in positive form
+ imm = imm & 0xff;
+
+ switch(MI->flat_insn->id) {
+ default:
+ if (imm >= 0) {
+ if (imm > HEX_THRESHOLD)
+ SStream_concat(O, "$0x%"PRIx64, imm);
+ else
+ SStream_concat(O, "$%"PRIu64, imm);
+ } else {
+ if (MI->csh->imm_unsigned) {
+ if (opsize) {
+ switch(opsize) {
+ default:
+ break;
+ case 1:
+ imm &= 0xff;
+ break;
+ case 2:
+ imm &= 0xffff;
+ break;
+ case 4:
+ imm &= 0xffffffff;
+ break;
+ }
+ }
+
+ SStream_concat(O, "$0x%"PRIx64, imm);
+ } else {
+ if (imm == 0x8000000000000000LL) // imm == -imm
+ SStream_concat0(O, "$0x8000000000000000");
+ else if (imm < -HEX_THRESHOLD)
+ SStream_concat(O, "$-0x%"PRIx64, -imm);
+ else
+ SStream_concat(O, "$-%"PRIu64, -imm);
+ }
+ }
+ break;
+
+ case X86_INS_MOVABS:
+ case X86_INS_MOV:
+ // do not print number in negative form
+ if (imm > HEX_THRESHOLD)
+ SStream_concat(O, "$0x%"PRIx64, imm);
+ else
+ SStream_concat(O, "$%"PRIu64, imm);
+ break;
+
+ case X86_INS_IN:
+ case X86_INS_OUT:
+ case X86_INS_INT:
+ // do not print number in negative form
+ imm = imm & 0xff;
+ if (imm >= 0 && imm <= HEX_THRESHOLD)
+ SStream_concat(O, "$%u", imm);
+ else {
+ SStream_concat(O, "$0x%x", imm);
+ }
+ break;
+
+ case X86_INS_LCALL:
+ case X86_INS_LJMP:
+ case X86_INS_JMP:
+ // always print address in positive form
+ if (OpNo == 1) { // selector is ptr16
+ imm = imm & 0xffff;
+ opsize = 2;
+ } else
+ opsize = 4;
+ SStream_concat(O, "$0x%"PRIx64, imm);
+ break;
+
+ case X86_INS_AND:
+ case X86_INS_OR:
+ case X86_INS_XOR:
+ // do not print number in negative form
+ if (imm >= 0 && imm <= HEX_THRESHOLD)
+ SStream_concat(O, "$%u", imm);
+ else {
+ imm = arch_masks[opsize? opsize : MI->imm_size] & imm;
+ SStream_concat(O, "$0x%"PRIx64, imm);
+ }
+ break;
+
+ case X86_INS_RET:
+ case X86_INS_RETF:
+ // RET imm16
+ if (imm >= 0 && imm <= HEX_THRESHOLD)
+ SStream_concat(O, "$%u", imm);
+ else {
+ imm = 0xffff & imm;
+ SStream_concat(O, "$0x%x", imm);
+ }
+ break;
+ }
+
+ if (MI->csh->detail) {
+ if (MI->csh->doing_mem) {
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].type = X86_OP_MEM;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.disp = imm;
+ } else {
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].type = X86_OP_IMM;
+ MI->has_imm = true;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].imm = imm;
+
+ if (opsize > 0) {
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = opsize;
+ MI->flat_insn->detail->x86.encoding.imm_size = encsize;
+ } else if (MI->op1_size > 0)
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = MI->op1_size;
+ else
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = MI->imm_size;
+
+ MI->flat_insn->detail->x86.op_count++;
+ }
+ }
+ }
+}
+
+static void printMemReference(MCInst *MI, unsigned Op, SStream *O)
+{
+ MCOperand *BaseReg = MCInst_getOperand(MI, Op + X86_AddrBaseReg);
+ MCOperand *IndexReg = MCInst_getOperand(MI, Op + X86_AddrIndexReg);
+ MCOperand *DispSpec = MCInst_getOperand(MI, Op + X86_AddrDisp);
+ MCOperand *SegReg = MCInst_getOperand(MI, Op + X86_AddrSegmentReg);
+ uint64_t ScaleVal;
+ int segreg;
+ int64_t DispVal = 1;
+
+ if (MI->csh->detail) {
+ uint8_t access[6];
+
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].type = X86_OP_MEM;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].size = MI->x86opsize;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.segment = X86_REG_INVALID;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.base = X86_register_map(MCOperand_getReg(BaseReg));
+ if (MCOperand_getReg(IndexReg) != X86_EIZ) {
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.index = X86_register_map(MCOperand_getReg(IndexReg));
+ }
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.scale = 1;
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.disp = 0;
+
+ get_op_access(MI->csh, MCInst_getOpcode(MI), access, &MI->flat_insn->detail->x86.eflags);
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].access = access[MI->flat_insn->detail->x86.op_count];
+ }
+
+ // If this has a segment register, print it.
+ segreg = MCOperand_getReg(SegReg);
+ if (segreg) {
+ _printOperand(MI, Op + X86_AddrSegmentReg, O);
+ SStream_concat0(O, ":");
+
+ if (MI->csh->detail) {
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.segment = X86_register_map(segreg);
+ }
+ }
+
+ if (MCOperand_isImm(DispSpec)) {
+ DispVal = MCOperand_getImm(DispSpec);
+ if (MI->csh->detail)
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.disp = DispVal;
+ if (DispVal) {
+ if (MCOperand_getReg(IndexReg) || MCOperand_getReg(BaseReg)) {
+ printInt64(O, DispVal);
+ } else {
+ // only immediate as address of memory
+ if (DispVal < 0) {
+ SStream_concat(O, "0x%"PRIx64, arch_masks[MI->csh->mode] & DispVal);
+ } else {
+ if (DispVal > HEX_THRESHOLD)
+ SStream_concat(O, "0x%"PRIx64, DispVal);
+ else
+ SStream_concat(O, "%"PRIu64, DispVal);
+ }
+ }
+ }
+ }
+
+ if (MCOperand_getReg(IndexReg) || MCOperand_getReg(BaseReg)) {
+ SStream_concat0(O, "(");
+
+ if (MCOperand_getReg(BaseReg))
+ _printOperand(MI, Op + X86_AddrBaseReg, O);
+
+ if (MCOperand_getReg(IndexReg) && MCOperand_getReg(IndexReg) != X86_EIZ) {
+ SStream_concat0(O, ", ");
+ _printOperand(MI, Op + X86_AddrIndexReg, O);
+ ScaleVal = MCOperand_getImm(MCInst_getOperand(MI, Op + X86_AddrScaleAmt));
+ if (MI->csh->detail)
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count].mem.scale = (int)ScaleVal;
+ if (ScaleVal != 1) {
+ SStream_concat(O, ", %u", ScaleVal);
+ }
+ }
+
+ SStream_concat0(O, ")");
+ } else {
+ if (!DispVal)
+ SStream_concat0(O, "0");
+ }
+
+ if (MI->csh->detail)
+ MI->flat_insn->detail->x86.op_count++;
+}
+
+static void printanymem(MCInst *MI, unsigned OpNo, SStream *O)
+{
+ switch(MI->Opcode) {
+ default: break;
+ case X86_LEA16r:
+ MI->x86opsize = 2;
+ break;
+ case X86_LEA32r:
+ case X86_LEA64_32r:
+ MI->x86opsize = 4;
+ break;
+ case X86_LEA64r:
+ MI->x86opsize = 8;
+ break;
+ case X86_BNDCL32rm:
+ case X86_BNDCN32rm:
+ case X86_BNDCU32rm:
+ case X86_BNDSTXmr:
+ case X86_BNDLDXrm:
+ case X86_BNDCL64rm:
+ case X86_BNDCN64rm:
+ case X86_BNDCU64rm:
+ MI->x86opsize = 16;
+ break;
+ }
+
+ printMemReference(MI, OpNo, O);
+}
+
+#include "X86InstPrinter.h"
+
+// Include the auto-generated portion of the assembly writer.
+#ifdef CAPSTONE_X86_REDUCE
+#include "X86GenAsmWriter_reduce.inc"
+#else
+#include "X86GenAsmWriter.inc"
+#endif
+
+#include "X86GenRegisterName.inc"
+
+static void printRegName(SStream *OS, unsigned RegNo)
+{
+ SStream_concat(OS, "%%%s", getRegisterName(RegNo));
+}
+
+void X86_ATT_printInst(MCInst *MI, SStream *OS, void *info)
+{
+ x86_reg reg, reg2;
+ enum cs_ac_type access1, access2;
+ int i;
+
+ // perhaps this instruction does not need printer
+ if (MI->assembly[0]) {
+ strncpy(OS->buffer, MI->assembly, sizeof(OS->buffer));
+ return;
+ }
+
+ // Output CALLpcrel32 as "callq" in 64-bit mode.
+ // In Intel annotation it's always emitted as "call".
+ //
+ // TODO: Probably this hack should be redesigned via InstAlias in
+ // InstrInfo.td as soon as Requires clause is supported properly
+ // for InstAlias.
+ if (MI->csh->mode == CS_MODE_64 && MCInst_getOpcode(MI) == X86_CALLpcrel32) {
+ SStream_concat0(OS, "callq\t");
+ MCInst_setOpcodePub(MI, X86_INS_CALL);
+ printPCRelImm(MI, 0, OS);
+ return;
+ }
+
+ X86_lockrep(MI, OS);
+ printInstruction(MI, OS);
+
+ if (MI->has_imm) {
+ // if op_count > 1, then this operand's size is taken from the destination op
+ if (MI->flat_insn->detail->x86.op_count > 1) {
+ if (MI->flat_insn->id != X86_INS_LCALL && MI->flat_insn->id != X86_INS_LJMP && MI->flat_insn->id != X86_INS_JMP) {
+ for (i = 0; i < MI->flat_insn->detail->x86.op_count; i++) {
+ if (MI->flat_insn->detail->x86.operands[i].type == X86_OP_IMM)
+ MI->flat_insn->detail->x86.operands[i].size =
+ MI->flat_insn->detail->x86.operands[MI->flat_insn->detail->x86.op_count - 1].size;
+ }
+ }
+ } else
+ MI->flat_insn->detail->x86.operands[0].size = MI->imm_size;
+ }
+
+ if (MI->csh->detail) {
+ uint8_t access[6] = {0};
+
+ // some instructions need to supply immediate 1 in the first op
+ switch(MCInst_getOpcode(MI)) {
+ default:
+ break;
+ case X86_SHL8r1:
+ case X86_SHL16r1:
+ case X86_SHL32r1:
+ case X86_SHL64r1:
+ case X86_SAL8r1:
+ case X86_SAL16r1:
+ case X86_SAL32r1:
+ case X86_SAL64r1:
+ case X86_SHR8r1:
+ case X86_SHR16r1:
+ case X86_SHR32r1:
+ case X86_SHR64r1:
+ case X86_SAR8r1:
+ case X86_SAR16r1:
+ case X86_SAR32r1:
+ case X86_SAR64r1:
+ case X86_RCL8r1:
+ case X86_RCL16r1:
+ case X86_RCL32r1:
+ case X86_RCL64r1:
+ case X86_RCR8r1:
+ case X86_RCR16r1:
+ case X86_RCR32r1:
+ case X86_RCR64r1:
+ case X86_ROL8r1:
+ case X86_ROL16r1:
+ case X86_ROL32r1:
+ case X86_ROL64r1:
+ case X86_ROR8r1:
+ case X86_ROR16r1:
+ case X86_ROR32r1:
+ case X86_ROR64r1:
+ case X86_SHL8m1:
+ case X86_SHL16m1:
+ case X86_SHL32m1:
+ case X86_SHL64m1:
+ case X86_SAL8m1:
+ case X86_SAL16m1:
+ case X86_SAL32m1:
+ case X86_SAL64m1:
+ case X86_SHR8m1:
+ case X86_SHR16m1:
+ case X86_SHR32m1:
+ case X86_SHR64m1:
+ case X86_SAR8m1:
+ case X86_SAR16m1:
+ case X86_SAR32m1:
+ case X86_SAR64m1:
+ case X86_RCL8m1:
+ case X86_RCL16m1:
+ case X86_RCL32m1:
+ case X86_RCL64m1:
+ case X86_RCR8m1:
+ case X86_RCR16m1:
+ case X86_RCR32m1:
+ case X86_RCR64m1:
+ case X86_ROL8m1:
+ case X86_ROL16m1:
+ case X86_ROL32m1:
+ case X86_ROL64m1:
+ case X86_ROR8m1:
+ case X86_ROR16m1:
+ case X86_ROR32m1:
+ case X86_ROR64m1:
+ // shift all the ops right to leave 1st slot for this new register op
+ memmove(&(MI->flat_insn->detail->x86.operands[1]), &(MI->flat_insn->detail->x86.operands[0]),
+ sizeof(MI->flat_insn->detail->x86.operands[0]) * (ARR_SIZE(MI->flat_insn->detail->x86.operands) - 1));
+ MI->flat_insn->detail->x86.operands[0].type = X86_OP_IMM;
+ MI->flat_insn->detail->x86.operands[0].imm = 1;
+ MI->flat_insn->detail->x86.operands[0].size = 1;
+ MI->flat_insn->detail->x86.op_count++;
+ }
+
+ // special instruction needs to supply register op
+ // first op can be embedded in the asm by llvm.
+ // so we have to add the missing register as the first operand
+
+ //printf(">>> opcode = %u\n", MCInst_getOpcode(MI));
+
+ reg = X86_insn_reg_att(MCInst_getOpcode(MI), &access1);
+ if (reg) {
+ // shift all the ops right to leave 1st slot for this new register op
+ memmove(&(MI->flat_insn->detail->x86.operands[1]), &(MI->flat_insn->detail->x86.operands[0]),
+ sizeof(MI->flat_insn->detail->x86.operands[0]) * (ARR_SIZE(MI->flat_insn->detail->x86.operands) - 1));
+ MI->flat_insn->detail->x86.operands[0].type = X86_OP_REG;
+ MI->flat_insn->detail->x86.operands[0].reg = reg;
+ MI->flat_insn->detail->x86.operands[0].size = MI->csh->regsize_map[reg];
+ MI->flat_insn->detail->x86.operands[0].access = access1;
+
+ MI->flat_insn->detail->x86.op_count++;
+ } else {
+ if (X86_insn_reg_att2(MCInst_getOpcode(MI), &reg, &access1, &reg2, &access2)) {
+
+ MI->flat_insn->detail->x86.operands[0].type = X86_OP_REG;
+ MI->flat_insn->detail->x86.operands[0].reg = reg;
+ MI->flat_insn->detail->x86.operands[0].size = MI->csh->regsize_map[reg];
+ MI->flat_insn->detail->x86.operands[0].access = access1;
+ MI->flat_insn->detail->x86.operands[1].type = X86_OP_REG;
+ MI->flat_insn->detail->x86.operands[1].reg = reg2;
+ MI->flat_insn->detail->x86.operands[1].size = MI->csh->regsize_map[reg2];
+ MI->flat_insn->detail->x86.operands[0].access = access2;
+ MI->flat_insn->detail->x86.op_count = 2;
+ }
+ }
+
+#ifndef CAPSTONE_DIET
+ get_op_access(MI->csh, MCInst_getOpcode(MI), access, &MI->flat_insn->detail->x86.eflags);
+ MI->flat_insn->detail->x86.operands[0].access = access[0];
+ MI->flat_insn->detail->x86.operands[1].access = access[1];
+#endif
+ }
+}
+
+#endif