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palPipelineAbiProcessorImpl.h
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/*
***********************************************************************************************************************
*
* Copyright (c) 2017-2019 Advanced Micro Devices, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
**********************************************************************************************************************/
/**
***********************************************************************************************************************
* @file palPipelineAbiProcessorImpl.h
* @brief PAL Pipeline ABI utility class implementations. The PipelineAbiProcessor is a layer on top of ElfProcessor
* which creates and loads ELFs compatible with the pipeline ABI.
***********************************************************************************************************************
*/
#pragma once
#include "palPipelineAbiProcessor.h"
#include "palAutoBuffer.h"
#include "palMetroHash.h"
#include "palMsgPackImpl.h"
#include "palInlineFuncs.h"
#include "palHashLiteralString.h"
#include "g_palPipelineAbiMetadataImpl.h"
namespace Util
{
namespace Abi
{
constexpr size_t AbiAmdGpuVersionNoteSize = sizeof(AbiAmdGpuVersionNote);
constexpr size_t AbiMinorVersionNoteSize = sizeof(AbiMinorVersionNote);
constexpr size_t PalMetadataNoteEntrySize = sizeof(PalMetadataNoteEntry);
// =====================================================================================================================
template <typename Allocator>
PipelineAbiProcessor<Allocator>::PipelineAbiProcessor(
Allocator* const pAllocator)
:
m_pTextSection(nullptr),
m_pDataSection(nullptr),
m_pRoDataSection(nullptr),
m_pRelTextSection(nullptr),
m_pRelDataSection(nullptr),
m_pRelaTextSection(nullptr),
m_pRelaDataSection(nullptr),
m_pSymbolSection(nullptr),
m_pSymbolStrTabSection(nullptr),
m_pNoteSection(nullptr),
m_pCommentSection(nullptr),
m_pDisasmSection(nullptr),
m_pAmdIlSection(nullptr),
m_pLlvmIrSection(nullptr),
m_flags(),
m_metadataMajorVer(0),
m_metadataMinorVer(1),
m_compatRegisterSize(0),
m_pCompatRegisterBlob(nullptr),
m_pMetadata(nullptr),
m_metadataSize(0),
m_genericSymbolsMap(16u, pAllocator),
m_pipelineSymbolsVector(pAllocator),
m_pipelineSymbolIndices(),
m_elfProcessor(pAllocator),
m_pAllocator(pAllocator)
{
for (uint32 i = 0; i < static_cast<uint32>(PipelineSymbolType::Count); i++)
{
m_pipelineSymbolIndices[i] = -1;
}
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::Init()
{
Result result = m_elfProcessor.Init();
if (result == Result::Success)
{
result = m_genericSymbolsMap.Init();
}
if (result == Result::Success)
{
m_elfProcessor.SetOsAbi(ElfOsAbiVersion);
m_elfProcessor.SetAbiVersion(ElfAbiVersion);
m_elfProcessor.SetObjectFileType(Elf::ObjectFileType::Rel);
m_elfProcessor.SetTargetMachine(Elf::MachineType::AmdGpu);
m_metadataMajorVer = PipelineMetadataMajorVersion;
m_metadataMinorVer = PipelineMetadataMinorVersion;
}
return result;
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::SetGfxIpVersion(
uint32 gfxIpMajorVer,
uint32 gfxIpMinorVer,
uint32 gfxIpStepping)
{
switch (gfxIpMajorVer)
{
case 6:
m_flags.machineType = static_cast<AmdGpuMachineType>(static_cast<uint32>(AmdGpuMachineType::Gfx600) +
gfxIpStepping);
break;
case 7:
m_flags.machineType = static_cast<AmdGpuMachineType>(static_cast<uint32>(AmdGpuMachineType::Gfx700) +
gfxIpStepping);
break;
case 8:
m_flags.machineType = (gfxIpMinorVer > 0) ? AmdGpuMachineType::Gfx810 :
static_cast<AmdGpuMachineType>(static_cast<uint32>(AmdGpuMachineType::Gfx801) + gfxIpStepping - 1);
break;
case 9:
switch (gfxIpStepping)
{
case GfxIpSteppingVega10:
m_flags.machineType = AmdGpuMachineType::Gfx900;
break;
case GfxIpSteppingRaven:
m_flags.machineType = AmdGpuMachineType::Gfx902;
break;
case GfxIpSteppingVega12:
m_flags.machineType = AmdGpuMachineType::Gfx904;
break;
case GfxIpSteppingVega20:
m_flags.machineType = AmdGpuMachineType::Gfx906;
break;
case 9:
m_flags.machineType = AmdGpuMachineType::Gfx909;
break;
}
break;
case 10:
switch (gfxIpMinorVer)
{
case 1:
switch (gfxIpStepping)
{
case GfxIpSteppingNavi10:
m_flags.machineType = AmdGpuMachineType::Gfx1010;
break;
}
break;
}
break;
default:
PAL_ASSERT_ALWAYS();
break;
}
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::SetPipelineCode(
const void* pCode,
size_t codeSize)
{
Result result = Result::Success;
if (m_pTextSection == nullptr)
{
result = CreateTextSection();
}
if (result == Result::Success)
{
if (nullptr == m_pTextSection->SetData(pCode, codeSize))
{
result = Result::ErrorOutOfMemory;
}
}
return result;
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::SetData(
const void* pData,
size_t dataSize,
gpusize alignment)
{
PAL_ASSERT(Pow2Align(alignment, DataMinBaseAddrAlignment) == alignment);
Result result = Result::Success;
if (m_pDataSection == nullptr)
{
result = CreateDataSection();
}
if (result == Result::Success)
{
m_pDataSection->SetAlignment(alignment);
if (nullptr == m_pDataSection->SetData(pData, dataSize))
{
result = Result::ErrorOutOfMemory;
}
}
return result;
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::SetReadOnlyData(
const void* pData,
size_t dataSize,
gpusize alignment)
{
PAL_ASSERT(Pow2Align(alignment, RoDataMinBaseAddrAlignment) == alignment);
Result result = Result::Success;
if (m_pRoDataSection == nullptr)
{
result = CreateRoDataSection();
}
if (result == Result::Success)
{
m_pRoDataSection->SetAlignment(alignment);
if (nullptr == m_pRoDataSection->SetData(pData, dataSize))
{
result = Result::ErrorOutOfMemory;
}
}
return result;
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::SetComment(
const char* pComment)
{
if (m_pCommentSection == nullptr)
{
m_pCommentSection = m_elfProcessor.GetSections()->Add(Elf::SectionType::Comment);
}
const size_t commentSize = (strlen(pComment) + 1);
Result result = Result::Success;
if ((m_pCommentSection == nullptr) || (nullptr == m_pCommentSection->SetData(pComment, commentSize)))
{
result = Result::ErrorOutOfMemory;
}
return result;
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::SetDisassembly(
const void* pData,
size_t dataSize)
{
if (m_pDisasmSection == nullptr)
{
m_pDisasmSection = m_elfProcessor.GetSections()->Add(&AmdGpuDisassemblyName[0]);
if (m_pDisasmSection != nullptr)
{
m_pDisasmSection->SetType(Elf::SectionHeaderType::ProgBits);
}
}
Result result = Result::Success;
if ((m_pDisasmSection == nullptr) || (nullptr == m_pDisasmSection->SetData(pData, dataSize)))
{
result = Result::ErrorOutOfMemory;
}
return result;
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::SetAmdIl(
const void* pData,
size_t dataSize)
{
if (m_pAmdIlSection == nullptr)
{
m_pAmdIlSection = m_elfProcessor.GetSections()->Add(&AmdGpuCommentAmdIlName[0]);
if (m_pAmdIlSection != nullptr)
{
m_pAmdIlSection->SetType(Elf::SectionHeaderType::ProgBits);
}
}
Result result = Result::Success;
if ((m_pAmdIlSection == nullptr) || (nullptr == m_pAmdIlSection->SetData(pData, dataSize)))
{
result = Result::ErrorOutOfMemory;
}
return result;
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::SetLlvmIr(
const void* pData,
size_t dataSize)
{
if (m_pLlvmIrSection == nullptr)
{
m_pLlvmIrSection = m_elfProcessor.GetSections()->Add(&AmdGpuCommentLlvmIrName[0]);
if (m_pLlvmIrSection != nullptr)
{
m_pLlvmIrSection->SetType(Elf::SectionHeaderType::ProgBits);
}
}
Result result = Result::Success;
if ((m_pLlvmIrSection == nullptr) || (nullptr == m_pLlvmIrSection->SetData(pData, dataSize)))
{
result = Result::ErrorOutOfMemory;
}
return result;
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::GetMetadata(
MsgPackReader* pReader,
PalCodeObjectMetadata* pMetadata
) const
{
Result result = Result::ErrorInvalidPipelineElf;
if (m_pMetadata != nullptr)
{
memset(pMetadata, 0, sizeof(*pMetadata));
if (m_metadataMajorVer == 0)
{
result = TranslateLegacyMetadata(pReader, pMetadata);
}
else if (m_metadataMajorVer == PipelineMetadataMajorVersion)
{
result = pReader->InitFromBuffer(m_pMetadata, static_cast<uint32>(m_metadataSize));
uint32 registersOffset = UINT_MAX;
if (result == Result::Success)
{
result = Metadata::DeserializePalCodeObjectMetadata(pReader, pMetadata, ®istersOffset);
}
if (result == Result::Success)
{
result = pReader->Seek(registersOffset);
}
}
else
{
result = Result::ErrorUnsupportedPipelineElfAbiVersion;
}
}
return result;
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::GetMetadata(
const void** ppMetadata,
size_t* pMetadataSize
) const
{
*ppMetadata = m_pMetadata;
*pMetadataSize = m_metadataSize;
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::GetPipelineCode(
const void** ppCode,
size_t* pCodeSize
) const
{
if (m_pTextSection != nullptr)
{
*ppCode = m_pTextSection->GetData();
*pCodeSize = m_pTextSection->GetDataSize();
}
else
{
*ppCode = nullptr;
}
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::GetData(
const void** ppData,
size_t* pDataSize,
gpusize* pAlignment
) const
{
if (m_pDataSection != nullptr)
{
*ppData = m_pDataSection->GetData();
*pDataSize = m_pDataSection->GetDataSize();
*pAlignment = static_cast<gpusize>(m_pDataSection->GetSectionHeader()->sh_addralign);
}
else
{
*ppData = nullptr;
}
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::GetReadOnlyData(
const void** ppData,
size_t* pDataSize,
gpusize* pAlignment
) const
{
if (m_pRoDataSection != nullptr)
{
*ppData = m_pRoDataSection->GetData();
*pDataSize = m_pRoDataSection->GetDataSize();
*pAlignment = static_cast<gpusize>(m_pRoDataSection->GetSectionHeader()->sh_addralign);
}
else
{
*ppData = nullptr;
}
}
// =====================================================================================================================
template <typename Allocator>
const char* PipelineAbiProcessor<Allocator>::GetComment() const
{
const char* pComment = (m_pCommentSection == nullptr) ? ""
: static_cast<const char*>(m_pCommentSection->GetData());
return pComment;
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::GetDisassembly(
const void** ppData,
size_t* pDataSize
) const
{
if (m_pDisasmSection != nullptr)
{
*ppData = m_pDisasmSection->GetData();
*pDataSize = m_pDisasmSection->GetDataSize();
}
else
{
*ppData = nullptr;
*pDataSize = 0;
}
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::GetAmdIl(
const void** ppData,
size_t* pDataSize
) const
{
if (m_pAmdIlSection != nullptr)
{
*ppData = m_pAmdIlSection->GetData();
*pDataSize = m_pAmdIlSection->GetDataSize();
}
else
{
*ppData = nullptr;
*pDataSize = 0;
}
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::GetLlvmIr(
const void** ppData,
size_t* pDataSize
) const
{
if (m_pLlvmIrSection != nullptr)
{
*ppData = m_pLlvmIrSection->GetData();
*pDataSize = m_pLlvmIrSection->GetDataSize();
}
else
{
*ppData = nullptr;
*pDataSize = 0;
}
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::AddPipelineSymbolEntry(
PipelineSymbolEntry entry)
{
Result result = m_pipelineSymbolsVector.PushBack(entry);
if (result == Result::Success)
{
m_pipelineSymbolIndices[static_cast<uint32>(entry.type)] = m_pipelineSymbolsVector.NumElements() - 1;
}
return result;
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::AddGenericSymbolEntry(
GenericSymbolEntry entry)
{
PAL_ASSERT(entry.pName != nullptr);
return m_genericSymbolsMap.Insert(entry.pName, entry);
}
// =====================================================================================================================
template <typename Allocator>
bool PipelineAbiProcessor<Allocator>::HasPipelineSymbolEntry(
PipelineSymbolType pipelineSymbolType,
PipelineSymbolEntry* pPipelineSymbolEntry
) const
{
const int32 index = m_pipelineSymbolIndices[static_cast<uint32>(pipelineSymbolType)];
const bool pipelineSymbolEntryExists = (index >= 0);
if (pipelineSymbolEntryExists)
{
*pPipelineSymbolEntry = m_pipelineSymbolsVector.At(index);
}
return pipelineSymbolEntryExists;
}
// =====================================================================================================================
template <typename Allocator>
bool PipelineAbiProcessor<Allocator>::HasGenericSymbolEntry(
const char* pName,
GenericSymbolEntry* pGenericSymbolEntry
) const
{
PAL_ASSERT(pName != nullptr);
GenericSymbolEntry*const pEntry = m_genericSymbolsMap.FindKey(pName);
if (pEntry != nullptr)
{
(*pGenericSymbolEntry) = (*pEntry);
}
return (pEntry != nullptr);
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::GetGfxIpVersion(
uint32* pGfxIpMajorVer,
uint32* pGfxIpMinorVer,
uint32* pGfxIpStepping
) const
{
switch (m_flags.machineType)
{
case AmdGpuMachineType::Gfx600:
*pGfxIpMajorVer = 6;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 0;
break;
case AmdGpuMachineType::Gfx601:
*pGfxIpMajorVer = 6;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 1;
break;
case AmdGpuMachineType::Gfx700:
*pGfxIpMajorVer = 7;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 0;
break;
case AmdGpuMachineType::Gfx701:
*pGfxIpMajorVer = 7;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 1;
break;
case AmdGpuMachineType::Gfx702:
*pGfxIpMajorVer = 7;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 2;
break;
case AmdGpuMachineType::Gfx703:
*pGfxIpMajorVer = 7;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 3;
break;
case AmdGpuMachineType::Gfx704:
*pGfxIpMajorVer = 7;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 4;
break;
case AmdGpuMachineType::Gfx800:
*pGfxIpMajorVer = 8;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 0;
break;
case AmdGpuMachineType::Gfx801:
*pGfxIpMajorVer = 8;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 1;
break;
case AmdGpuMachineType::Gfx802:
*pGfxIpMajorVer = 8;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 2;
break;
case AmdGpuMachineType::Gfx803:
*pGfxIpMajorVer = 8;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 3;
break;
case AmdGpuMachineType::Gfx810:
*pGfxIpMajorVer = 8;
*pGfxIpMinorVer = 1;
*pGfxIpStepping = 0;
break;
case AmdGpuMachineType::Gfx900:
*pGfxIpMajorVer = 9;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 0;
break;
case AmdGpuMachineType::Gfx902:
*pGfxIpMajorVer = 9;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 2;
break;
case AmdGpuMachineType::Gfx904:
*pGfxIpMajorVer = 9;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 4;
break;
case AmdGpuMachineType::Gfx906:
*pGfxIpMajorVer = 9;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 6;
break;
case AmdGpuMachineType::Gfx909:
*pGfxIpMajorVer = 9;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 9;
break;
case AmdGpuMachineType::Gfx1010:
*pGfxIpMajorVer = 10;
*pGfxIpMinorVer = 1;
*pGfxIpStepping = 0;
break;
default:
// What is this?
PAL_ASSERT_ALWAYS();
*pGfxIpMajorVer = 0;
*pGfxIpMinorVer = 0;
*pGfxIpStepping = 0;
break;
}
return;
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::GetMetadataVersion(
uint32* pMajorVer,
uint32* pMinorVer
) const
{
*pMajorVer = m_metadataMajorVer;
*pMinorVer = m_metadataMinorVer;
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::RelocationHelper(
void* pBuffer,
uint64 baseAddress,
Elf::Section<Allocator>* pRelocationSection
) const
{
Elf::RelocationProcessor<Allocator> relocationProcessor(pRelocationSection);
const uint32 numRelocations = relocationProcessor.GetNumRelocations();
for (uint32 index = 0; index < numRelocations; index++)
{
uint64 offset = 0;
uint32 symbolIndex = 0;
uint32 type = 0;
uint64 addend = 0;
relocationProcessor.Get(index, &offset, &symbolIndex, &type, &addend);
uint64*const pReference = static_cast<uint64* const>(VoidPtrInc(pBuffer, static_cast<size_t>(offset)));
if (pRelocationSection->GetType() == Elf::SectionHeaderType::Rel)
{
addend = *pReference;
}
}
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::ApplyRelocations(
void* pBuffer,
size_t bufferSize,
AbiSectionType sectionType,
uint64 baseAddress
) const
{
Elf::Section<Allocator>* pRelSection = nullptr;
Elf::Section<Allocator>* pRelaSection = nullptr;
switch (sectionType)
{
case AbiSectionType::Undefined:
PAL_ASSERT_ALWAYS();
break;
case AbiSectionType::Code:
pRelSection = m_pRelTextSection;
pRelaSection = m_pRelaTextSection;
break;
case AbiSectionType::Data:
pRelSection = m_pRelDataSection;
pRelaSection = m_pRelaDataSection;
break;
case AbiSectionType::Disassembly:
PAL_ASSERT_ALWAYS();
break;
default:
PAL_NEVER_CALLED();
break;
}
if (pRelSection != nullptr)
{
RelocationHelper(pBuffer, baseAddress, pRelSection);
}
if (pRelaSection != nullptr)
{
RelocationHelper(pBuffer, baseAddress, pRelaSection);
}
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::Finalize(
const MsgPackWriter& pipelineMetadataWriter)
{
Result result = Result::Success;
m_elfProcessor.SetFlags(m_flags.u32All);
m_pSymbolStrTabSection = m_elfProcessor.GetSections()->Add(Elf::SectionType::StrTab);
m_pSymbolSection = m_elfProcessor.GetSections()->Add(Elf::SectionType::SymTab);
// Handle the ELF symbols.
if ((m_pSymbolSection == nullptr) || (m_pSymbolStrTabSection == nullptr))
{
result = Result::ErrorOutOfMemory;
}
else
{
m_pSymbolSection->SetLink(m_pSymbolStrTabSection);
Elf::StringProcessor<Allocator> symbolStringProcessor(m_pSymbolStrTabSection, m_pAllocator);
Elf::SymbolProcessor<Allocator> symbolProcessor(m_pSymbolSection, &symbolStringProcessor, m_pAllocator);
for (auto iter = PipelineSymbolsBegin(); iter.IsValid(); iter.Next())
{
Abi::PipelineSymbolEntry pipeSymb = iter.Get();
uint32 sectionIndex = 0;
switch (pipeSymb.sectionType)
{
case AbiSectionType::Undefined:
break;
case AbiSectionType::Code:
sectionIndex = m_pTextSection->GetIndex();
break;
case AbiSectionType::Data:
sectionIndex = m_pDataSection->GetIndex();
break;
case AbiSectionType::Disassembly:
sectionIndex = m_pDisasmSection->GetIndex();
break;
case AbiSectionType::AmdIl:
sectionIndex = m_pAmdIlSection->GetIndex();
break;
case AbiSectionType::LlvmIr:
sectionIndex = m_pLlvmIrSection->GetIndex();
break;
default:
PAL_NEVER_CALLED();
break;
}
if (symbolProcessor.Add(PipelineAbiSymbolNameStrings[static_cast<uint32>(pipeSymb.type)],
Elf::SymbolTableEntryBinding::Local,
pipeSymb.entryType,
static_cast<uint16>(sectionIndex),
pipeSymb.value,
pipeSymb.size) == UINT_MAX)
{
result = Result::ErrorOutOfMemory;
break;
}
} // for each pipeline symbol
for (auto iter = m_genericSymbolsMap.Begin(); iter.Get() != nullptr; iter.Next())
{
Abi::GenericSymbolEntry symbol = iter.Get()->value;
uint32 sectionIndex = 0;
switch (symbol.sectionType)
{
case AbiSectionType::Undefined:
break;
case AbiSectionType::Code:
sectionIndex = m_pTextSection->GetIndex();
break;
case AbiSectionType::Data:
sectionIndex = m_pDataSection->GetIndex();
break;
case AbiSectionType::Disassembly:
sectionIndex = m_pDisasmSection->GetIndex();
break;
case AbiSectionType::AmdIl:
sectionIndex = m_pAmdIlSection->GetIndex();
break;
case AbiSectionType::LlvmIr:
sectionIndex = m_pLlvmIrSection->GetIndex();
break;
default:
PAL_NEVER_CALLED();
break;
}
if (symbolProcessor.Add(symbol.pName,
Elf::SymbolTableEntryBinding::Local,
symbol.entryType,
static_cast<uint16>(sectionIndex),
symbol.value,
symbol.size) == UINT_MAX)
{
result = Result::ErrorOutOfMemory;
break;
}
} // for each generic symbol
}
// Handle the AMDGPU & PAL ABI note entries:
if (result == Result::Success)
{
m_pNoteSection = m_elfProcessor.GetSections()->Add(Elf::SectionType::Note);
if (m_pNoteSection == nullptr)
{
result = Result::ErrorOutOfMemory;
}
}
if (result == Result::Success)
{
Elf::NoteProcessor<Allocator> noteProcessor(m_pNoteSection, m_pAllocator);
result = noteProcessor.Init();
if (result == Result::Success)
{
MsgPackWriter codeObjectMetadataWriter(m_pAllocator);
codeObjectMetadataWriter.Reserve(pipelineMetadataWriter.GetSize());
codeObjectMetadataWriter.DeclareMap(2);
codeObjectMetadataWriter.Pack(PalCodeObjectMetadataKey::Version);
codeObjectMetadataWriter.DeclareArray(2);
codeObjectMetadataWriter.PackPair(m_metadataMajorVer, m_metadataMinorVer);
codeObjectMetadataWriter.Pack(PalCodeObjectMetadataKey::Pipelines);
codeObjectMetadataWriter.DeclareArray(1);
codeObjectMetadataWriter.DeclareMap(pipelineMetadataWriter.NumItems() / 2);
result = codeObjectMetadataWriter.Append(pipelineMetadataWriter);
if ((result == Result::Success) &&
(noteProcessor.Add(MetadataNoteType,
AmdGpuArchName,
codeObjectMetadataWriter.GetBuffer(),
codeObjectMetadataWriter.GetSize()) == UINT_MAX))
{
result = Result::ErrorOutOfMemory;
}
}
}
return result;
}
// =====================================================================================================================
template <typename Allocator>
void PipelineAbiProcessor<Allocator>::SaveToBuffer(
void* pBuffer)
{
PAL_ASSERT(m_pTextSection != nullptr);
PAL_ASSERT(m_pNoteSection != nullptr);
PAL_ASSERT(m_pSymbolSection != nullptr);
PAL_ASSERT(m_pSymbolStrTabSection != nullptr);
m_elfProcessor.SaveToBuffer(pBuffer);
}
// =====================================================================================================================
template <typename Allocator>
PipelineSymbolType PipelineAbiProcessor<Allocator>::GetSymbolTypeFromName(
const char* pName
) const
{
PipelineSymbolType type = PipelineSymbolType::Unknown;
for (uint32 i = 0; i < static_cast<uint32>(PipelineSymbolType::Count); i++)
{
if (strcmp(PipelineAbiSymbolNameStrings[i], pName) == 0)
{
type = static_cast<PipelineSymbolType>(i);
break;
}
}
return type;
}
// =====================================================================================================================
template <typename Allocator>
Result PipelineAbiProcessor<Allocator>::LoadFromBuffer(
const void* pBuffer,
size_t bufferSize)
{
Result result = m_elfProcessor.LoadFromBuffer(pBuffer, bufferSize);
if (result == Result::Success)
{
result = m_genericSymbolsMap.Init();
}
if (result == Result::Success)
{
if ((m_elfProcessor.GetFileHeader()->ei_osabi != ElfOsAbiVersion) ||
(m_elfProcessor.GetTargetMachine() != Elf::MachineType::AmdGpu))
{
result = Result::ErrorInvalidPipelineElf;
}
else if (m_elfProcessor.GetFileHeader()->ei_abiversion != ElfAbiVersion)
{
result = Result::ErrorUnsupportedPipelineElfAbiVersion;
}
}
if (result == Result::Success)
{
m_pTextSection = m_elfProcessor.GetSections()->Get(".text");
m_pDataSection = m_elfProcessor.GetSections()->Get(".data");
m_pRoDataSection = m_elfProcessor.GetSections()->Get(".rodata");
m_pRelTextSection = m_elfProcessor.GetSections()->Get(".rel.text");
m_pRelDataSection = m_elfProcessor.GetSections()->Get(".rel.data");
m_pRelaTextSection = m_elfProcessor.GetSections()->Get(".rela.text");
m_pRelaDataSection = m_elfProcessor.GetSections()->Get(".rela.data");