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77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
//===-- AArch64BaseInfo.cpp - AArch64 Base encoding information------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file provides basic encoding and assembly information for AArch64.
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//
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//===----------------------------------------------------------------------===//
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/* Capstone Disassembly Engine */
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/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2019 */
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#ifdef CAPSTONE_HAS_ARM64
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#if defined (WIN32) || defined (WIN64) || defined (_WIN32) || defined (_WIN64)
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#pragma warning(disable:4996) // disable MSVC's warning on strcpy()
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#pragma warning(disable:28719) // disable MSVC's warning on strcpy()
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#endif
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#include "../../utils.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "AArch64BaseInfo.h"
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#include "AArch64GenSystemOperands.inc"
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// return a string representing the number X
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// NOTE: result must be big enough to contain the data
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static void utostr(uint64_t X, bool isNeg, char *result)
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{
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char Buffer[22];
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char *BufPtr = Buffer + 21;
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Buffer[21] = '\0';
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if (X == 0) *--BufPtr = '0'; // Handle special case...
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while (X) {
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*--BufPtr = X % 10 + '0';
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X /= 10;
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}
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if (isNeg) *--BufPtr = '-'; // Add negative sign...
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// suppose that result is big enough
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strncpy(result, BufPtr, sizeof(Buffer));
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}
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// NOTE: result must be big enough to contain the result
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void AArch64SysReg_genericRegisterString(uint32_t Bits, char *result)
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{
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// assert(Bits < 0x10000);
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char Op0Str[32], Op1Str[32], CRnStr[32], CRmStr[32], Op2Str[32];
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int dummy;
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uint32_t Op0 = (Bits >> 14) & 0x3;
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uint32_t Op1 = (Bits >> 11) & 0x7;
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uint32_t CRn = (Bits >> 7) & 0xf;
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uint32_t CRm = (Bits >> 3) & 0xf;
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uint32_t Op2 = Bits & 0x7;
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utostr(Op0, false, Op0Str);
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utostr(Op1, false, Op1Str);
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utostr(Op2, false, Op2Str);
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utostr(CRn, false, CRnStr);
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utostr(CRm, false, CRmStr);
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dummy = cs_snprintf(result, 128, "s%s_%s_c%s_c%s_%s",
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Op0Str, Op1Str, CRnStr, CRmStr, Op2Str);
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(void)dummy;
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}
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#endif
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