| //===-- ArchitecturePPC64.cpp -----------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "Plugins/Architecture/PPC64/ArchitecturePPC64.h" |
| #include "lldb/Core/PluginManager.h" |
| #include "lldb/Symbol/Function.h" |
| #include "lldb/Symbol/Symbol.h" |
| #include "lldb/Target/RegisterContext.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Target/Thread.h" |
| #include "lldb/Utility/ArchSpec.h" |
| |
| #include "llvm/BinaryFormat/ELF.h" |
| |
| using namespace lldb_private; |
| using namespace lldb; |
| |
| ConstString ArchitecturePPC64::GetPluginNameStatic() { |
| return ConstString("ppc64"); |
| } |
| |
| void ArchitecturePPC64::Initialize() { |
| PluginManager::RegisterPlugin(GetPluginNameStatic(), |
| "PPC64-specific algorithms", |
| &ArchitecturePPC64::Create); |
| } |
| |
| void ArchitecturePPC64::Terminate() { |
| PluginManager::UnregisterPlugin(&ArchitecturePPC64::Create); |
| } |
| |
| std::unique_ptr<Architecture> ArchitecturePPC64::Create(const ArchSpec &arch) { |
| if ((arch.GetMachine() != llvm::Triple::ppc64 && |
| arch.GetMachine() != llvm::Triple::ppc64le) || |
| arch.GetTriple().getObjectFormat() != llvm::Triple::ObjectFormatType::ELF) |
| return nullptr; |
| return std::unique_ptr<Architecture>(new ArchitecturePPC64()); |
| } |
| |
| ConstString ArchitecturePPC64::GetPluginName() { return GetPluginNameStatic(); } |
| uint32_t ArchitecturePPC64::GetPluginVersion() { return 1; } |
| |
| static int32_t GetLocalEntryOffset(const Symbol &sym) { |
| unsigned char other = sym.GetFlags() >> 8 & 0xFF; |
| return llvm::ELF::decodePPC64LocalEntryOffset(other); |
| } |
| |
| size_t ArchitecturePPC64::GetBytesToSkip(Symbol &func, |
| const Address &curr_addr) const { |
| if (curr_addr.GetFileAddress() == |
| func.GetFileAddress() + GetLocalEntryOffset(func)) |
| return func.GetPrologueByteSize(); |
| return 0; |
| } |
| |
| void ArchitecturePPC64::AdjustBreakpointAddress(const Symbol &func, |
| Address &addr) const { |
| int32_t loffs = GetLocalEntryOffset(func); |
| if (!loffs) |
| return; |
| |
| addr.SetOffset(addr.GetOffset() + loffs); |
| } |