forked from OSchip/llvm-project
318 lines
10 KiB
C++
318 lines
10 KiB
C++
//===-- SBAddress.cpp -----------------------------------------------------===//
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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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#include "lldb/API/SBAddress.h"
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#include "SBReproducerPrivate.h"
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#include "Utils.h"
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#include "lldb/API/SBProcess.h"
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#include "lldb/API/SBSection.h"
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#include "lldb/API/SBStream.h"
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#include "lldb/Core/Address.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Symbol/LineEntry.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/StreamString.h"
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using namespace lldb;
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using namespace lldb_private;
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SBAddress::SBAddress() : m_opaque_up(new Address()) {
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LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBAddress);
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}
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SBAddress::SBAddress(const Address &address)
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: m_opaque_up(std::make_unique<Address>(address)) {}
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SBAddress::SBAddress(const SBAddress &rhs) : m_opaque_up(new Address()) {
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LLDB_RECORD_CONSTRUCTOR(SBAddress, (const lldb::SBAddress &), rhs);
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m_opaque_up = clone(rhs.m_opaque_up);
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}
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SBAddress::SBAddress(lldb::SBSection section, lldb::addr_t offset)
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: m_opaque_up(new Address(section.GetSP(), offset)) {
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LLDB_RECORD_CONSTRUCTOR(SBAddress, (lldb::SBSection, lldb::addr_t), section,
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offset);
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}
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// Create an address by resolving a load address using the supplied target
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SBAddress::SBAddress(lldb::addr_t load_addr, lldb::SBTarget &target)
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: m_opaque_up(new Address()) {
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LLDB_RECORD_CONSTRUCTOR(SBAddress, (lldb::addr_t, lldb::SBTarget &),
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load_addr, target);
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SetLoadAddress(load_addr, target);
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}
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SBAddress::~SBAddress() = default;
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const SBAddress &SBAddress::operator=(const SBAddress &rhs) {
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LLDB_RECORD_METHOD(const lldb::SBAddress &,
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SBAddress, operator=,(const lldb::SBAddress &), rhs);
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if (this != &rhs)
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m_opaque_up = clone(rhs.m_opaque_up);
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return LLDB_RECORD_RESULT(*this);
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}
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bool lldb::operator==(const SBAddress &lhs, const SBAddress &rhs) {
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if (lhs.IsValid() && rhs.IsValid())
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return lhs.ref() == rhs.ref();
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return false;
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}
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bool SBAddress::operator!=(const SBAddress &rhs) const {
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LLDB_RECORD_METHOD_CONST(bool, SBAddress, operator!=,(const SBAddress &),
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&rhs);
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return !(*this == rhs);
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}
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bool SBAddress::IsValid() const {
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LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBAddress, IsValid);
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return this->operator bool();
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}
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SBAddress::operator bool() const {
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LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBAddress, operator bool);
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return m_opaque_up != nullptr && m_opaque_up->IsValid();
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}
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void SBAddress::Clear() {
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LLDB_RECORD_METHOD_NO_ARGS(void, SBAddress, Clear);
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m_opaque_up = std::make_unique<Address>();
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}
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void SBAddress::SetAddress(lldb::SBSection section, lldb::addr_t offset) {
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LLDB_RECORD_METHOD(void, SBAddress, SetAddress,
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(lldb::SBSection, lldb::addr_t), section, offset);
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Address &addr = ref();
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addr.SetSection(section.GetSP());
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addr.SetOffset(offset);
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}
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void SBAddress::SetAddress(const Address &address) { ref() = address; }
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lldb::addr_t SBAddress::GetFileAddress() const {
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LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::addr_t, SBAddress, GetFileAddress);
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if (m_opaque_up->IsValid())
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return m_opaque_up->GetFileAddress();
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else
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return LLDB_INVALID_ADDRESS;
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}
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lldb::addr_t SBAddress::GetLoadAddress(const SBTarget &target) const {
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LLDB_RECORD_METHOD_CONST(lldb::addr_t, SBAddress, GetLoadAddress,
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(const lldb::SBTarget &), target);
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lldb::addr_t addr = LLDB_INVALID_ADDRESS;
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TargetSP target_sp(target.GetSP());
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if (target_sp) {
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if (m_opaque_up->IsValid()) {
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std::lock_guard<std::recursive_mutex> guard(target_sp->GetAPIMutex());
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addr = m_opaque_up->GetLoadAddress(target_sp.get());
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}
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}
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return addr;
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}
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void SBAddress::SetLoadAddress(lldb::addr_t load_addr, lldb::SBTarget &target) {
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LLDB_RECORD_METHOD(void, SBAddress, SetLoadAddress,
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(lldb::addr_t, lldb::SBTarget &), load_addr, target);
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// Create the address object if we don't already have one
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ref();
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if (target.IsValid())
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*this = target.ResolveLoadAddress(load_addr);
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else
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m_opaque_up->Clear();
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// Check if we weren't were able to resolve a section offset address. If we
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// weren't it is ok, the load address might be a location on the stack or
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// heap, so we should just have an address with no section and a valid offset
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if (!m_opaque_up->IsValid())
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m_opaque_up->SetOffset(load_addr);
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}
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bool SBAddress::OffsetAddress(addr_t offset) {
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LLDB_RECORD_METHOD(bool, SBAddress, OffsetAddress, (lldb::addr_t), offset);
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if (m_opaque_up->IsValid()) {
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addr_t addr_offset = m_opaque_up->GetOffset();
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if (addr_offset != LLDB_INVALID_ADDRESS) {
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m_opaque_up->SetOffset(addr_offset + offset);
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return true;
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}
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}
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return false;
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}
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lldb::SBSection SBAddress::GetSection() {
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LLDB_RECORD_METHOD_NO_ARGS(lldb::SBSection, SBAddress, GetSection);
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lldb::SBSection sb_section;
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if (m_opaque_up->IsValid())
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sb_section.SetSP(m_opaque_up->GetSection());
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return LLDB_RECORD_RESULT(sb_section);
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}
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lldb::addr_t SBAddress::GetOffset() {
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LLDB_RECORD_METHOD_NO_ARGS(lldb::addr_t, SBAddress, GetOffset);
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if (m_opaque_up->IsValid())
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return m_opaque_up->GetOffset();
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return 0;
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}
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Address *SBAddress::operator->() { return m_opaque_up.get(); }
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const Address *SBAddress::operator->() const { return m_opaque_up.get(); }
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Address &SBAddress::ref() {
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if (m_opaque_up == nullptr)
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m_opaque_up = std::make_unique<Address>();
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return *m_opaque_up;
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}
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const Address &SBAddress::ref() const {
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// This object should already have checked with "IsValid()" prior to calling
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// this function. In case you didn't we will assert and die to let you know.
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assert(m_opaque_up.get());
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return *m_opaque_up;
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}
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Address *SBAddress::get() { return m_opaque_up.get(); }
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bool SBAddress::GetDescription(SBStream &description) {
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LLDB_RECORD_METHOD(bool, SBAddress, GetDescription, (lldb::SBStream &),
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description);
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// Call "ref()" on the stream to make sure it creates a backing stream in
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// case there isn't one already...
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Stream &strm = description.ref();
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if (m_opaque_up->IsValid()) {
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m_opaque_up->Dump(&strm, nullptr, Address::DumpStyleResolvedDescription,
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Address::DumpStyleModuleWithFileAddress, 4);
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} else
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strm.PutCString("No value");
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return true;
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}
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SBModule SBAddress::GetModule() {
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LLDB_RECORD_METHOD_NO_ARGS(lldb::SBModule, SBAddress, GetModule);
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SBModule sb_module;
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if (m_opaque_up->IsValid())
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sb_module.SetSP(m_opaque_up->GetModule());
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return LLDB_RECORD_RESULT(sb_module);
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}
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SBSymbolContext SBAddress::GetSymbolContext(uint32_t resolve_scope) {
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LLDB_RECORD_METHOD(lldb::SBSymbolContext, SBAddress, GetSymbolContext,
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(uint32_t), resolve_scope);
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SBSymbolContext sb_sc;
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SymbolContextItem scope = static_cast<SymbolContextItem>(resolve_scope);
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if (m_opaque_up->IsValid())
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m_opaque_up->CalculateSymbolContext(&sb_sc.ref(), scope);
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return LLDB_RECORD_RESULT(sb_sc);
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}
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SBCompileUnit SBAddress::GetCompileUnit() {
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LLDB_RECORD_METHOD_NO_ARGS(lldb::SBCompileUnit, SBAddress, GetCompileUnit);
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SBCompileUnit sb_comp_unit;
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if (m_opaque_up->IsValid())
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sb_comp_unit.reset(m_opaque_up->CalculateSymbolContextCompileUnit());
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return LLDB_RECORD_RESULT(sb_comp_unit);
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}
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SBFunction SBAddress::GetFunction() {
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LLDB_RECORD_METHOD_NO_ARGS(lldb::SBFunction, SBAddress, GetFunction);
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SBFunction sb_function;
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if (m_opaque_up->IsValid())
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sb_function.reset(m_opaque_up->CalculateSymbolContextFunction());
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return LLDB_RECORD_RESULT(sb_function);
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}
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SBBlock SBAddress::GetBlock() {
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LLDB_RECORD_METHOD_NO_ARGS(lldb::SBBlock, SBAddress, GetBlock);
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SBBlock sb_block;
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if (m_opaque_up->IsValid())
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sb_block.SetPtr(m_opaque_up->CalculateSymbolContextBlock());
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return LLDB_RECORD_RESULT(sb_block);
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}
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SBSymbol SBAddress::GetSymbol() {
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LLDB_RECORD_METHOD_NO_ARGS(lldb::SBSymbol, SBAddress, GetSymbol);
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SBSymbol sb_symbol;
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if (m_opaque_up->IsValid())
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sb_symbol.reset(m_opaque_up->CalculateSymbolContextSymbol());
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return LLDB_RECORD_RESULT(sb_symbol);
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}
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SBLineEntry SBAddress::GetLineEntry() {
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LLDB_RECORD_METHOD_NO_ARGS(lldb::SBLineEntry, SBAddress, GetLineEntry);
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SBLineEntry sb_line_entry;
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if (m_opaque_up->IsValid()) {
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LineEntry line_entry;
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if (m_opaque_up->CalculateSymbolContextLineEntry(line_entry))
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sb_line_entry.SetLineEntry(line_entry);
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}
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return LLDB_RECORD_RESULT(sb_line_entry);
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}
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namespace lldb_private {
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namespace repro {
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template <>
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void RegisterMethods<SBAddress>(Registry &R) {
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LLDB_REGISTER_CONSTRUCTOR(SBAddress, ());
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LLDB_REGISTER_CONSTRUCTOR(SBAddress, (const lldb::SBAddress &));
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LLDB_REGISTER_CONSTRUCTOR(SBAddress, (lldb::SBSection, lldb::addr_t));
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LLDB_REGISTER_CONSTRUCTOR(SBAddress, (lldb::addr_t, lldb::SBTarget &));
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LLDB_REGISTER_METHOD(const lldb::SBAddress &,
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SBAddress, operator=,(const lldb::SBAddress &));
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LLDB_REGISTER_METHOD_CONST(bool,
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SBAddress, operator!=,(const lldb::SBAddress &));
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LLDB_REGISTER_METHOD_CONST(bool, SBAddress, IsValid, ());
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LLDB_REGISTER_METHOD_CONST(bool, SBAddress, operator bool, ());
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LLDB_REGISTER_METHOD(void, SBAddress, Clear, ());
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LLDB_REGISTER_METHOD(void, SBAddress, SetAddress,
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(lldb::SBSection, lldb::addr_t));
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LLDB_REGISTER_METHOD_CONST(lldb::addr_t, SBAddress, GetFileAddress, ());
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LLDB_REGISTER_METHOD_CONST(lldb::addr_t, SBAddress, GetLoadAddress,
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(const lldb::SBTarget &));
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LLDB_REGISTER_METHOD(void, SBAddress, SetLoadAddress,
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(lldb::addr_t, lldb::SBTarget &));
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LLDB_REGISTER_METHOD(bool, SBAddress, OffsetAddress, (lldb::addr_t));
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LLDB_REGISTER_METHOD(lldb::SBSection, SBAddress, GetSection, ());
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LLDB_REGISTER_METHOD(lldb::addr_t, SBAddress, GetOffset, ());
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LLDB_REGISTER_METHOD(bool, SBAddress, GetDescription, (lldb::SBStream &));
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LLDB_REGISTER_METHOD(lldb::SBModule, SBAddress, GetModule, ());
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LLDB_REGISTER_METHOD(lldb::SBSymbolContext, SBAddress, GetSymbolContext,
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(uint32_t));
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LLDB_REGISTER_METHOD(lldb::SBCompileUnit, SBAddress, GetCompileUnit, ());
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LLDB_REGISTER_METHOD(lldb::SBFunction, SBAddress, GetFunction, ());
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LLDB_REGISTER_METHOD(lldb::SBBlock, SBAddress, GetBlock, ());
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LLDB_REGISTER_METHOD(lldb::SBSymbol, SBAddress, GetSymbol, ());
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LLDB_REGISTER_METHOD(lldb::SBLineEntry, SBAddress, GetLineEntry, ());
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}
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}
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}
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