llvm-project/lldb/source/API/SBAddress.cpp

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//===-- SBAddress.cpp -------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/API/SBAddress.h"
#include "SBReproducerPrivate.h"
#include "Utils.h"
#include "lldb/API/SBProcess.h"
#include "lldb/API/SBSection.h"
#include "lldb/API/SBStream.h"
#include "lldb/Core/Address.h"
#include "lldb/Core/Module.h"
#include "lldb/Symbol/LineEntry.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb;
using namespace lldb_private;
SBAddress::SBAddress() : m_opaque_up(new Address()) {
LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBAddress);
}
SBAddress::SBAddress(const Address *lldb_object_ptr)
: m_opaque_up(new Address()) {
if (lldb_object_ptr)
m_opaque_up = llvm::make_unique<Address>(*lldb_object_ptr);
}
SBAddress::SBAddress(const SBAddress &rhs) : m_opaque_up(new Address()) {
LLDB_RECORD_CONSTRUCTOR(SBAddress, (const lldb::SBAddress &), rhs);
m_opaque_up = clone(rhs.m_opaque_up);
}
SBAddress::SBAddress(lldb::SBSection section, lldb::addr_t offset)
: m_opaque_up(new Address(section.GetSP(), offset)) {
LLDB_RECORD_CONSTRUCTOR(SBAddress, (lldb::SBSection, lldb::addr_t), section,
offset);
}
// Create an address by resolving a load address using the supplied target
SBAddress::SBAddress(lldb::addr_t load_addr, lldb::SBTarget &target)
: m_opaque_up(new Address()) {
LLDB_RECORD_CONSTRUCTOR(SBAddress, (lldb::addr_t, lldb::SBTarget &),
load_addr, target);
SetLoadAddress(load_addr, target);
}
SBAddress::~SBAddress() {}
const SBAddress &SBAddress::operator=(const SBAddress &rhs) {
LLDB_RECORD_METHOD(const lldb::SBAddress &,
SBAddress, operator=,(const lldb::SBAddress &), rhs);
if (this != &rhs)
m_opaque_up = clone(rhs.m_opaque_up);
return *this;
}
bool lldb::operator==(const SBAddress &lhs, const SBAddress &rhs) {
if (lhs.IsValid() && rhs.IsValid())
return lhs.ref() == rhs.ref();
return false;
}
bool SBAddress::IsValid() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBAddress, IsValid);
return m_opaque_up != NULL && m_opaque_up->IsValid();
}
void SBAddress::Clear() {
LLDB_RECORD_METHOD_NO_ARGS(void, SBAddress, Clear);
m_opaque_up.reset(new Address());
}
void SBAddress::SetAddress(lldb::SBSection section, lldb::addr_t offset) {
LLDB_RECORD_METHOD(void, SBAddress, SetAddress,
(lldb::SBSection, lldb::addr_t), section, offset);
Address &addr = ref();
addr.SetSection(section.GetSP());
addr.SetOffset(offset);
}
void SBAddress::SetAddress(const Address *lldb_object_ptr) {
if (lldb_object_ptr)
ref() = *lldb_object_ptr;
else
m_opaque_up.reset(new Address());
}
lldb::addr_t SBAddress::GetFileAddress() const {
LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::addr_t, SBAddress, GetFileAddress);
if (m_opaque_up->IsValid())
return m_opaque_up->GetFileAddress();
else
return LLDB_INVALID_ADDRESS;
}
lldb::addr_t SBAddress::GetLoadAddress(const SBTarget &target) const {
LLDB_RECORD_METHOD_CONST(lldb::addr_t, SBAddress, GetLoadAddress,
(const lldb::SBTarget &), target);
lldb::addr_t addr = LLDB_INVALID_ADDRESS;
TargetSP target_sp(target.GetSP());
if (target_sp) {
if (m_opaque_up->IsValid()) {
std::lock_guard<std::recursive_mutex> guard(target_sp->GetAPIMutex());
addr = m_opaque_up->GetLoadAddress(target_sp.get());
}
}
return addr;
}
void SBAddress::SetLoadAddress(lldb::addr_t load_addr, lldb::SBTarget &target) {
LLDB_RECORD_METHOD(void, SBAddress, SetLoadAddress,
(lldb::addr_t, lldb::SBTarget &), load_addr, target);
// Create the address object if we don't already have one
ref();
if (target.IsValid())
*this = target.ResolveLoadAddress(load_addr);
else
m_opaque_up->Clear();
// Check if we weren't were able to resolve a section offset address. If we
// weren't it is ok, the load address might be a location on the stack or
// heap, so we should just have an address with no section and a valid offset
if (!m_opaque_up->IsValid())
m_opaque_up->SetOffset(load_addr);
}
bool SBAddress::OffsetAddress(addr_t offset) {
LLDB_RECORD_METHOD(bool, SBAddress, OffsetAddress, (lldb::addr_t), offset);
if (m_opaque_up->IsValid()) {
addr_t addr_offset = m_opaque_up->GetOffset();
if (addr_offset != LLDB_INVALID_ADDRESS) {
m_opaque_up->SetOffset(addr_offset + offset);
return true;
}
}
return false;
}
lldb::SBSection SBAddress::GetSection() {
LLDB_RECORD_METHOD_NO_ARGS(lldb::SBSection, SBAddress, GetSection);
lldb::SBSection sb_section;
if (m_opaque_up->IsValid())
sb_section.SetSP(m_opaque_up->GetSection());
return LLDB_RECORD_RESULT(sb_section);
}
lldb::addr_t SBAddress::GetOffset() {
LLDB_RECORD_METHOD_NO_ARGS(lldb::addr_t, SBAddress, GetOffset);
if (m_opaque_up->IsValid())
return m_opaque_up->GetOffset();
return 0;
}
Address *SBAddress::operator->() { return m_opaque_up.get(); }
const Address *SBAddress::operator->() const { return m_opaque_up.get(); }
Address &SBAddress::ref() {
if (m_opaque_up == NULL)
m_opaque_up.reset(new Address());
return *m_opaque_up;
}
const Address &SBAddress::ref() const {
// This object should already have checked with "IsValid()" prior to calling
// this function. In case you didn't we will assert and die to let you know.
assert(m_opaque_up.get());
return *m_opaque_up;
}
Address *SBAddress::get() { return m_opaque_up.get(); }
bool SBAddress::GetDescription(SBStream &description) {
LLDB_RECORD_METHOD(bool, SBAddress, GetDescription, (lldb::SBStream &),
description);
// Call "ref()" on the stream to make sure it creates a backing stream in
// case there isn't one already...
Stream &strm = description.ref();
if (m_opaque_up->IsValid()) {
m_opaque_up->Dump(&strm, NULL, Address::DumpStyleResolvedDescription,
Address::DumpStyleModuleWithFileAddress, 4);
StreamString sstrm;
// m_opaque_up->Dump (&sstrm, NULL,
// Address::DumpStyleResolvedDescription, Address::DumpStyleInvalid,
// 4);
// if (sstrm.GetData())
// strm.Printf (" (%s)", sstrm.GetData());
} else
strm.PutCString("No value");
return true;
}
SBModule SBAddress::GetModule() {
LLDB_RECORD_METHOD_NO_ARGS(lldb::SBModule, SBAddress, GetModule);
SBModule sb_module;
if (m_opaque_up->IsValid())
sb_module.SetSP(m_opaque_up->GetModule());
return LLDB_RECORD_RESULT(sb_module);
}
SBSymbolContext SBAddress::GetSymbolContext(uint32_t resolve_scope) {
LLDB_RECORD_METHOD(lldb::SBSymbolContext, SBAddress, GetSymbolContext,
(uint32_t), resolve_scope);
SBSymbolContext sb_sc;
SymbolContextItem scope = static_cast<SymbolContextItem>(resolve_scope);
if (m_opaque_up->IsValid())
m_opaque_up->CalculateSymbolContext(&sb_sc.ref(), scope);
return LLDB_RECORD_RESULT(sb_sc);
}
SBCompileUnit SBAddress::GetCompileUnit() {
LLDB_RECORD_METHOD_NO_ARGS(lldb::SBCompileUnit, SBAddress, GetCompileUnit);
SBCompileUnit sb_comp_unit;
if (m_opaque_up->IsValid())
sb_comp_unit.reset(m_opaque_up->CalculateSymbolContextCompileUnit());
return LLDB_RECORD_RESULT(sb_comp_unit);
}
SBFunction SBAddress::GetFunction() {
LLDB_RECORD_METHOD_NO_ARGS(lldb::SBFunction, SBAddress, GetFunction);
SBFunction sb_function;
if (m_opaque_up->IsValid())
sb_function.reset(m_opaque_up->CalculateSymbolContextFunction());
return LLDB_RECORD_RESULT(sb_function);
}
SBBlock SBAddress::GetBlock() {
LLDB_RECORD_METHOD_NO_ARGS(lldb::SBBlock, SBAddress, GetBlock);
SBBlock sb_block;
if (m_opaque_up->IsValid())
sb_block.SetPtr(m_opaque_up->CalculateSymbolContextBlock());
return LLDB_RECORD_RESULT(sb_block);
}
SBSymbol SBAddress::GetSymbol() {
LLDB_RECORD_METHOD_NO_ARGS(lldb::SBSymbol, SBAddress, GetSymbol);
SBSymbol sb_symbol;
if (m_opaque_up->IsValid())
sb_symbol.reset(m_opaque_up->CalculateSymbolContextSymbol());
return LLDB_RECORD_RESULT(sb_symbol);
}
SBLineEntry SBAddress::GetLineEntry() {
LLDB_RECORD_METHOD_NO_ARGS(lldb::SBLineEntry, SBAddress, GetLineEntry);
SBLineEntry sb_line_entry;
if (m_opaque_up->IsValid()) {
LineEntry line_entry;
if (m_opaque_up->CalculateSymbolContextLineEntry(line_entry))
sb_line_entry.SetLineEntry(line_entry);
}
return LLDB_RECORD_RESULT(sb_line_entry);
}