Loading...
--- dyld/dyld-1245.1/mach_o/Instructions.cpp
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * Copyright (c) 2024 Apple Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "Instructions.h"
-
-namespace mach_o {
-
-
-bool Instructions::arm64::isADRP(uint32_t instruction, AdrpInfo& info)
-{
- if ( (instruction & 0x9F000000) == 0x90000000 ) {
- info.dstReg = (instruction & 0x1F);
- uint32_t lo2 = (instruction & 0x60000000) >> 29;
- uint32_t hi19 = (instruction & 0x01FFFFE0) >> 3;
- info.pageOffset = (int32_t)(hi19 + lo2);
- if ( info.pageOffset & 0x00100000 )
- info.pageOffset |= 0xFFE00000; // sign extend 21-bits
- return true;
- }
- return false;
-}
-
-bool Instructions::arm64::isB26(uint32_t instruction, int32_t& delta)
-{
- if ( (instruction & 0x7C000000) == 0x14000000 ) {
- delta = (int32_t)((instruction & 0x03FFFFFF) << 2);
- if ( delta & 0x08000000 )
- delta |= 0xF0000000;
- return true;
- }
- return false;
-}
-
-bool Instructions::arm64::isImm12(uint32_t instruction, Imm12Info& info)
-{
- if ( (instruction & 0x3B000000) != 0x39000000 ) {
- // not a load or store
- if ( (instruction & 0x7FC00000) == 0x11000000 ) {
- // is ADD instruction
- info.dstReg = (instruction & 0x1F);
- info.srcReg = ((instruction>>5) & 0x1F);
- info.scale = 1;
- info.offset = ((instruction >> 10) & 0x0FFF);
- info.kind = Imm12Info::Kind::add;
- info.signEx = false;
- info.isFloat = false;
- return true;
- }
- return false;
- }
- info.dstReg = (instruction & 0x1F);
- info.srcReg = ((instruction>>5) & 0x1F);
- info.signEx = false;
- info.isFloat = ((instruction & 0x04000000) != 0 );
- switch (instruction & 0xC0C00000) {
- case 0x00000000:
- info.scale = 1;
- info.kind = Imm12Info::Kind::store;
- break;
- case 0x00400000:
- info.scale = 1;
- info.kind = Imm12Info::Kind::load;
- break;
- case 0x00800000:
- if ( info.isFloat ) {
- info.scale = 16;
- info.kind = Imm12Info::Kind::store;
- }
- else {
- info.scale = 1;
- info.kind = Imm12Info::Kind::load;
- info.signEx = true;
- }
- break;
- case 0x00C00000:
- if ( info.isFloat ) {
- info.scale = 16;
- info.kind = Imm12Info::Kind::load;
- }
- else {
- info.scale = 1;
- info.kind = Imm12Info::Kind::load;
- info.signEx = true;
- }
- break;
- case 0x40000000:
- info.scale = 2;
- info.kind = Imm12Info::Kind::store;
- break;
- case 0x40400000:
- info.scale = 2;
- info.kind = Imm12Info::Kind::load;
- break;
- case 0x40800000:
- info.scale = 2;
- info.kind = Imm12Info::Kind::load;
- info.signEx = true;
- break;
- case 0x40C00000:
- info.scale = 2;
- info.kind = Imm12Info::Kind::load;
- info.signEx = true;
- break;
- case 0x80000000:
- info.scale = 4;
- info.kind = Imm12Info::Kind::store;
- break;
- case 0x80400000:
- info.scale = 4;
- info.kind = Imm12Info::Kind::load;
- break;
- case 0x80800000:
- info.scale = 4;
- info.kind = Imm12Info::Kind::load;
- info.signEx = true;
- break;
- case 0xC0000000:
- info.scale = 8;
- info.kind = Imm12Info::Kind::store;
- break;
- case 0xC0400000:
- info.scale = 8;
- info.kind = Imm12Info::Kind::load;
- break;
- default:
- return false;
- }
- info.offset = ((instruction >> 10) & 0x0FFF) * info.scale;
- return true;
-}
-
-
-
-} // namespace mach_o