1 //===-- ArchitecturePPC64.cpp -----------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "Plugins/Architecture/PPC64/ArchitecturePPC64.h"
11 #include "lldb/Core/PluginManager.h"
12 #include "lldb/Symbol/Function.h"
13 #include "lldb/Symbol/Symbol.h"
14 #include "lldb/Target/RegisterContext.h"
15 #include "lldb/Target/Target.h"
16 #include "lldb/Target/Thread.h"
17 #include "lldb/Utility/ArchSpec.h"
19 #include "llvm/BinaryFormat/ELF.h"
21 using namespace lldb_private;
24 ConstString ArchitecturePPC64::GetPluginNameStatic() {
25 return ConstString("ppc64");
28 void ArchitecturePPC64::Initialize() {
29 PluginManager::RegisterPlugin(GetPluginNameStatic(),
30 "PPC64-specific algorithms",
31 &ArchitecturePPC64::Create);
34 void ArchitecturePPC64::Terminate() {
35 PluginManager::UnregisterPlugin(&ArchitecturePPC64::Create);
38 std::unique_ptr<Architecture> ArchitecturePPC64::Create(const ArchSpec &arch) {
39 if ((arch.GetMachine() != llvm::Triple::ppc64 &&
40 arch.GetMachine() != llvm::Triple::ppc64le) ||
41 arch.GetTriple().getObjectFormat() != llvm::Triple::ObjectFormatType::ELF)
43 return std::unique_ptr<Architecture>(new ArchitecturePPC64());
46 ConstString ArchitecturePPC64::GetPluginName() { return GetPluginNameStatic(); }
47 uint32_t ArchitecturePPC64::GetPluginVersion() { return 1; }
49 static int32_t GetLocalEntryOffset(const Symbol &sym) {
50 unsigned char other = sym.GetFlags() >> 8 & 0xFF;
51 return llvm::ELF::decodePPC64LocalEntryOffset(other);
54 size_t ArchitecturePPC64::GetBytesToSkip(Symbol &func,
55 const Address &curr_addr) const {
56 if (curr_addr.GetFileAddress() ==
57 func.GetFileAddress() + GetLocalEntryOffset(func))
58 return func.GetPrologueByteSize();
62 void ArchitecturePPC64::AdjustBreakpointAddress(const Symbol &func,
63 Address &addr) const {
64 int32_t loffs = GetLocalEntryOffset(func);
68 addr.SetOffset(addr.GetOffset() + loffs);