6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
177 lines
4.1 KiB
C++
177 lines
4.1 KiB
C++
//===-- llvm/BinaryFormat/GOFF.h - GOFF definitions --------------*- C++-*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This header contains common, non-processor-specific data structures and
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// constants for the GOFF file format.
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//
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// GOFF specifics can be found in MVS Program Management: Advanced Facilities.
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// See
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// https://www.ibm.com/docs/en/zos/3.1.0?topic=facilities-generalized-object-file-format-goff
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_BINARYFORMAT_GOFF_H
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#define LLVM_BINARYFORMAT_GOFF_H
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#include "llvm/Support/DataTypes.h"
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namespace llvm {
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namespace GOFF {
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/// \brief Length of the parts of a physical GOFF record.
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constexpr uint8_t RecordLength = 80;
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constexpr uint8_t RecordPrefixLength = 3;
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constexpr uint8_t PayloadLength = 77;
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constexpr uint8_t RecordContentLength = RecordLength - RecordPrefixLength;
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/// \brief Maximum data length before starting a new card for RLD and TXT data.
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///
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/// The maximum number of bytes that can be included in an RLD or TXT record and
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/// their continuations is a SIGNED 16 bit int despite what the spec says. The
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/// number of bytes we allow ourselves to attach to a card is thus arbitrarily
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/// limited to 32K-1 bytes.
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constexpr uint16_t MaxDataLength = 32 * 1024 - 1;
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/// \brief Prefix byte on every record. This indicates GOFF format.
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constexpr uint8_t PTVPrefix = 0x03;
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enum RecordType : uint8_t {
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RT_ESD = 0,
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RT_TXT = 1,
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RT_RLD = 2,
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RT_LEN = 3,
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RT_END = 4,
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RT_HDR = 15,
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};
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enum ESDSymbolType : uint8_t {
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ESD_ST_SectionDefinition = 0,
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ESD_ST_ElementDefinition = 1,
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ESD_ST_LabelDefinition = 2,
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ESD_ST_PartReference = 3,
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ESD_ST_ExternalReference = 4,
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};
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enum ESDNameSpaceId : uint8_t {
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ESD_NS_ProgramManagementBinder = 0,
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ESD_NS_NormalName = 1,
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ESD_NS_PseudoRegister = 2,
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ESD_NS_Parts = 3
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};
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enum ESDReserveQwords : uint8_t {
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ESD_RQ_0 = 0,
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ESD_RQ_1 = 1,
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ESD_RQ_2 = 2,
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ESD_RQ_3 = 3
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};
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enum ESDAmode : uint8_t {
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ESD_AMODE_None = 0,
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ESD_AMODE_24 = 1,
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ESD_AMODE_31 = 2,
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ESD_AMODE_ANY = 3,
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ESD_AMODE_64 = 4,
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ESD_AMODE_MIN = 16,
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};
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enum ESDRmode : uint8_t {
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ESD_RMODE_None = 0,
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ESD_RMODE_24 = 1,
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ESD_RMODE_31 = 3,
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ESD_RMODE_64 = 4,
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};
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enum ESDTextStyle : uint8_t {
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ESD_TS_ByteOriented = 0,
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ESD_TS_Structured = 1,
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ESD_TS_Unstructured = 2,
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};
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enum ESDBindingAlgorithm : uint8_t {
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ESD_BA_Concatenate = 0,
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ESD_BA_Merge = 1,
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};
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enum ESDTaskingBehavior : uint8_t {
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ESD_TA_Unspecified = 0,
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ESD_TA_NonReus = 1,
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ESD_TA_Reus = 2,
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ESD_TA_Rent = 3,
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};
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enum ESDExecutable : uint8_t {
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ESD_EXE_Unspecified = 0,
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ESD_EXE_DATA = 1,
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ESD_EXE_CODE = 2,
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};
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enum ESDDuplicateSymbolSeverity : uint8_t {
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ESD_DSS_NoWarning = 0,
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ESD_DSS_Warning = 1,
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ESD_DSS_Error = 2,
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ESD_DSS_Reserved = 3,
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};
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enum ESDBindingStrength : uint8_t {
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ESD_BST_Strong = 0,
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ESD_BST_Weak = 1,
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};
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enum ESDLoadingBehavior : uint8_t {
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ESD_LB_Initial = 0,
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ESD_LB_Deferred = 1,
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ESD_LB_NoLoad = 2,
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ESD_LB_Reserved = 3,
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};
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enum ESDBindingScope : uint8_t {
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ESD_BSC_Unspecified = 0,
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ESD_BSC_Section = 1,
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ESD_BSC_Module = 2,
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ESD_BSC_Library = 3,
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ESD_BSC_ImportExport = 4,
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};
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enum ESDLinkageType : uint8_t { ESD_LT_OS = 0, ESD_LT_XPLink = 1 };
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enum ESDAlignment : uint8_t {
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ESD_ALIGN_Byte = 0,
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ESD_ALIGN_Halfword = 1,
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ESD_ALIGN_Fullword = 2,
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ESD_ALIGN_Doubleword = 3,
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ESD_ALIGN_Quadword = 4,
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ESD_ALIGN_32byte = 5,
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ESD_ALIGN_64byte = 6,
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ESD_ALIGN_128byte = 7,
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ESD_ALIGN_256byte = 8,
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ESD_ALIGN_512byte = 9,
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ESD_ALIGN_1024byte = 10,
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ESD_ALIGN_2Kpage = 11,
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ESD_ALIGN_4Kpage = 12,
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};
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enum ENDEntryPointRequest : uint8_t {
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END_EPR_None = 0,
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END_EPR_EsdidOffset = 1,
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END_EPR_ExternalName = 2,
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END_EPR_Reserved = 3,
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};
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// \brief Subsections of the primary C_CODE section in the object file.
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enum SubsectionKind : uint8_t {
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SK_PPA1 = 2,
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SK_PPA2 = 4,
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};
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} // end namespace GOFF
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} // end namespace llvm
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#endif // LLVM_BINARYFORMAT_GOFF_H
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