diff options
Diffstat (limited to 'contrib/llvm-project/lldb/source/API/SBSection.cpp')
-rw-r--r-- | contrib/llvm-project/lldb/source/API/SBSection.cpp | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/API/SBSection.cpp b/contrib/llvm-project/lldb/source/API/SBSection.cpp new file mode 100644 index 000000000000..b7b94f3ece1a --- /dev/null +++ b/contrib/llvm-project/lldb/source/API/SBSection.cpp @@ -0,0 +1,263 @@ +//===-- SBSection.cpp -----------------------------------------------------===// +// +// 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/SBSection.h" +#include "lldb/API/SBStream.h" +#include "lldb/API/SBTarget.h" +#include "lldb/Core/Module.h" +#include "lldb/Core/Section.h" +#include "lldb/Symbol/ObjectFile.h" +#include "lldb/Utility/DataBuffer.h" +#include "lldb/Utility/DataExtractor.h" +#include "lldb/Utility/Instrumentation.h" +#include "lldb/Utility/StreamString.h" + +using namespace lldb; +using namespace lldb_private; + +SBSection::SBSection() { LLDB_INSTRUMENT_VA(this); } + +SBSection::SBSection(const SBSection &rhs) : m_opaque_wp(rhs.m_opaque_wp) { + LLDB_INSTRUMENT_VA(this, rhs); +} + +SBSection::SBSection(const lldb::SectionSP §ion_sp) { + // Don't init with section_sp otherwise this will throw if + // section_sp doesn't contain a valid Section * + if (section_sp) + m_opaque_wp = section_sp; +} + +const SBSection &SBSection::operator=(const SBSection &rhs) { + LLDB_INSTRUMENT_VA(this, rhs); + + m_opaque_wp = rhs.m_opaque_wp; + return *this; +} + +SBSection::~SBSection() = default; + +bool SBSection::IsValid() const { + LLDB_INSTRUMENT_VA(this); + return this->operator bool(); +} +SBSection::operator bool() const { + LLDB_INSTRUMENT_VA(this); + + SectionSP section_sp(GetSP()); + return section_sp && section_sp->GetModule().get() != nullptr; +} + +const char *SBSection::GetName() { + LLDB_INSTRUMENT_VA(this); + + SectionSP section_sp(GetSP()); + if (section_sp) + return section_sp->GetName().GetCString(); + return nullptr; +} + +lldb::SBSection SBSection::GetParent() { + LLDB_INSTRUMENT_VA(this); + + lldb::SBSection sb_section; + SectionSP section_sp(GetSP()); + if (section_sp) { + SectionSP parent_section_sp(section_sp->GetParent()); + if (parent_section_sp) + sb_section.SetSP(parent_section_sp); + } + return sb_section; +} + +lldb::SBSection SBSection::FindSubSection(const char *sect_name) { + LLDB_INSTRUMENT_VA(this, sect_name); + + lldb::SBSection sb_section; + if (sect_name) { + SectionSP section_sp(GetSP()); + if (section_sp) { + ConstString const_sect_name(sect_name); + sb_section.SetSP( + section_sp->GetChildren().FindSectionByName(const_sect_name)); + } + } + return sb_section; +} + +size_t SBSection::GetNumSubSections() { + LLDB_INSTRUMENT_VA(this); + + SectionSP section_sp(GetSP()); + if (section_sp) + return section_sp->GetChildren().GetSize(); + return 0; +} + +lldb::SBSection SBSection::GetSubSectionAtIndex(size_t idx) { + LLDB_INSTRUMENT_VA(this, idx); + + lldb::SBSection sb_section; + SectionSP section_sp(GetSP()); + if (section_sp) + sb_section.SetSP(section_sp->GetChildren().GetSectionAtIndex(idx)); + return sb_section; +} + +lldb::SectionSP SBSection::GetSP() const { return m_opaque_wp.lock(); } + +void SBSection::SetSP(const lldb::SectionSP §ion_sp) { + m_opaque_wp = section_sp; +} + +lldb::addr_t SBSection::GetFileAddress() { + LLDB_INSTRUMENT_VA(this); + + lldb::addr_t file_addr = LLDB_INVALID_ADDRESS; + SectionSP section_sp(GetSP()); + if (section_sp) + return section_sp->GetFileAddress(); + return file_addr; +} + +lldb::addr_t SBSection::GetLoadAddress(lldb::SBTarget &sb_target) { + LLDB_INSTRUMENT_VA(this, sb_target); + + TargetSP target_sp(sb_target.GetSP()); + if (target_sp) { + SectionSP section_sp(GetSP()); + if (section_sp) + return section_sp->GetLoadBaseAddress(target_sp.get()); + } + return LLDB_INVALID_ADDRESS; +} + +lldb::addr_t SBSection::GetByteSize() { + LLDB_INSTRUMENT_VA(this); + + SectionSP section_sp(GetSP()); + if (section_sp) + return section_sp->GetByteSize(); + return 0; +} + +uint64_t SBSection::GetFileOffset() { + LLDB_INSTRUMENT_VA(this); + + SectionSP section_sp(GetSP()); + if (section_sp) { + ModuleSP module_sp(section_sp->GetModule()); + if (module_sp) { + ObjectFile *objfile = module_sp->GetObjectFile(); + if (objfile) + return objfile->GetFileOffset() + section_sp->GetFileOffset(); + } + } + return UINT64_MAX; +} + +uint64_t SBSection::GetFileByteSize() { + LLDB_INSTRUMENT_VA(this); + + SectionSP section_sp(GetSP()); + if (section_sp) + return section_sp->GetFileSize(); + return 0; +} + +SBData SBSection::GetSectionData() { + LLDB_INSTRUMENT_VA(this); + + return GetSectionData(0, UINT64_MAX); +} + +SBData SBSection::GetSectionData(uint64_t offset, uint64_t size) { + LLDB_INSTRUMENT_VA(this, offset, size); + + SBData sb_data; + SectionSP section_sp(GetSP()); + if (section_sp) { + DataExtractor section_data; + section_sp->GetSectionData(section_data); + sb_data.SetOpaque( + std::make_shared<DataExtractor>(section_data, offset, size)); + } + return sb_data; +} + +SectionType SBSection::GetSectionType() { + LLDB_INSTRUMENT_VA(this); + + SectionSP section_sp(GetSP()); + if (section_sp.get()) + return section_sp->GetType(); + return eSectionTypeInvalid; +} + +uint32_t SBSection::GetPermissions() const { + LLDB_INSTRUMENT_VA(this); + + SectionSP section_sp(GetSP()); + if (section_sp) + return section_sp->GetPermissions(); + return 0; +} + +uint32_t SBSection::GetTargetByteSize() { + LLDB_INSTRUMENT_VA(this); + + SectionSP section_sp(GetSP()); + if (section_sp.get()) + return section_sp->GetTargetByteSize(); + return 0; +} + +uint32_t SBSection::GetAlignment() { + LLDB_INSTRUMENT_VA(this); + + SectionSP section_sp(GetSP()); + if (section_sp.get()) + return (1 << section_sp->GetLog2Align()); + return 0; +} + +bool SBSection::operator==(const SBSection &rhs) { + LLDB_INSTRUMENT_VA(this, rhs); + + SectionSP lhs_section_sp(GetSP()); + SectionSP rhs_section_sp(rhs.GetSP()); + if (lhs_section_sp && rhs_section_sp) + return lhs_section_sp == rhs_section_sp; + return false; +} + +bool SBSection::operator!=(const SBSection &rhs) { + LLDB_INSTRUMENT_VA(this, rhs); + + SectionSP lhs_section_sp(GetSP()); + SectionSP rhs_section_sp(rhs.GetSP()); + return lhs_section_sp != rhs_section_sp; +} + +bool SBSection::GetDescription(SBStream &description) { + LLDB_INSTRUMENT_VA(this, description); + + Stream &strm = description.ref(); + + SectionSP section_sp(GetSP()); + if (section_sp) { + const addr_t file_addr = section_sp->GetFileAddress(); + strm.Printf("[0x%16.16" PRIx64 "-0x%16.16" PRIx64 ") ", file_addr, + file_addr + section_sp->GetByteSize()); + section_sp->DumpName(strm.AsRawOstream()); + } else { + strm.PutCString("No value"); + } + + return true; +} |