forked from OSchip/llvm-project
718 lines
26 KiB
C++
718 lines
26 KiB
C++
//===-- ObjectFile.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/Symbol/ObjectFile.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/ModuleSpec.h"
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#include "lldb/Core/PluginManager.h"
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#include "lldb/Core/Section.h"
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#include "lldb/Symbol/CallFrameInfo.h"
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#include "lldb/Symbol/ObjectContainer.h"
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#include "lldb/Symbol/SymbolFile.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/SectionLoadList.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/DataBuffer.h"
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#include "lldb/Utility/DataBufferHeap.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/Timer.h"
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#include "lldb/lldb-private.h"
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using namespace lldb;
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using namespace lldb_private;
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char ObjectFile::ID;
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static ObjectFileSP
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CreateObjectFromContainer(const lldb::ModuleSP &module_sp, const FileSpec *file,
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lldb::offset_t file_offset, lldb::offset_t file_size,
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DataBufferSP &data_sp, lldb::offset_t &data_offset) {
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ObjectContainerCreateInstance callback;
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for (uint32_t idx = 0;
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(callback = PluginManager::GetObjectContainerCreateCallbackAtIndex(
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idx)) != nullptr;
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++idx) {
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std::unique_ptr<ObjectContainer> object_container_up(callback(
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module_sp, data_sp, data_offset, file, file_offset, file_size));
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if (object_container_up)
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return object_container_up->GetObjectFile(file);
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}
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return {};
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}
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ObjectFileSP
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ObjectFile::FindPlugin(const lldb::ModuleSP &module_sp, const FileSpec *file,
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lldb::offset_t file_offset, lldb::offset_t file_size,
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DataBufferSP &data_sp, lldb::offset_t &data_offset) {
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LLDB_SCOPED_TIMERF(
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"ObjectFile::FindPlugin (module = %s, file = %p, file_offset = "
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"0x%8.8" PRIx64 ", file_size = 0x%8.8" PRIx64 ")",
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module_sp->GetFileSpec().GetPath().c_str(),
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static_cast<const void *>(file), static_cast<uint64_t>(file_offset),
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static_cast<uint64_t>(file_size));
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if (!module_sp)
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return {};
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if (!file)
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return {};
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if (!data_sp) {
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const bool file_exists = FileSystem::Instance().Exists(*file);
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// We have an object name which most likely means we have a .o file in
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// a static archive (.a file). Try and see if we have a cached archive
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// first without reading any data first
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if (file_exists && module_sp->GetObjectName()) {
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ObjectFileSP object_file_sp = CreateObjectFromContainer(
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module_sp, file, file_offset, file_size, data_sp, data_offset);
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if (object_file_sp)
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return object_file_sp;
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}
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// Ok, we didn't find any containers that have a named object, now lets
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// read the first 512 bytes from the file so the object file and object
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// container plug-ins can use these bytes to see if they can parse this
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// file.
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if (file_size > 0) {
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data_sp = FileSystem::Instance().CreateDataBuffer(file->GetPath(), 512,
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file_offset);
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data_offset = 0;
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}
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}
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if (!data_sp || data_sp->GetByteSize() == 0) {
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// Check for archive file with format "/path/to/archive.a(object.o)"
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llvm::SmallString<256> path_with_object;
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module_sp->GetFileSpec().GetPath(path_with_object);
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FileSpec archive_file;
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ConstString archive_object;
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const bool must_exist = true;
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if (ObjectFile::SplitArchivePathWithObject(path_with_object, archive_file,
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archive_object, must_exist)) {
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file_size = FileSystem::Instance().GetByteSize(archive_file);
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if (file_size > 0) {
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file = &archive_file;
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module_sp->SetFileSpecAndObjectName(archive_file, archive_object);
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// Check if this is a object container by iterating through all
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// object container plugin instances and then trying to get an
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// object file from the container plugins since we had a name.
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// Also, don't read
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// ANY data in case there is data cached in the container plug-ins
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// (like BSD archives caching the contained objects within an
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// file).
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ObjectFileSP object_file_sp = CreateObjectFromContainer(
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module_sp, file, file_offset, file_size, data_sp, data_offset);
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if (object_file_sp)
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return object_file_sp;
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// We failed to find any cached object files in the container plug-
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// ins, so lets read the first 512 bytes and try again below...
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data_sp = FileSystem::Instance().CreateDataBuffer(
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archive_file.GetPath(), 512, file_offset);
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}
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}
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}
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if (data_sp && data_sp->GetByteSize() > 0) {
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// Check if this is a normal object file by iterating through all
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// object file plugin instances.
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ObjectFileCreateInstance callback;
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for (uint32_t idx = 0;
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(callback = PluginManager::GetObjectFileCreateCallbackAtIndex(idx)) !=
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nullptr;
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++idx) {
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ObjectFileSP object_file_sp(callback(module_sp, data_sp, data_offset,
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file, file_offset, file_size));
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if (object_file_sp.get())
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return object_file_sp;
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}
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// Check if this is a object container by iterating through all object
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// container plugin instances and then trying to get an object file
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// from the container.
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ObjectFileSP object_file_sp = CreateObjectFromContainer(
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module_sp, file, file_offset, file_size, data_sp, data_offset);
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if (object_file_sp)
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return object_file_sp;
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}
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// We didn't find it, so clear our shared pointer in case it contains
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// anything and return an empty shared pointer
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return {};
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}
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ObjectFileSP ObjectFile::FindPlugin(const lldb::ModuleSP &module_sp,
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const ProcessSP &process_sp,
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lldb::addr_t header_addr,
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DataBufferSP &data_sp) {
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ObjectFileSP object_file_sp;
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if (module_sp) {
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LLDB_SCOPED_TIMERF("ObjectFile::FindPlugin (module = "
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"%s, process = %p, header_addr = "
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"0x%" PRIx64 ")",
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module_sp->GetFileSpec().GetPath().c_str(),
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static_cast<void *>(process_sp.get()), header_addr);
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uint32_t idx;
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// Check if this is a normal object file by iterating through all object
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// file plugin instances.
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ObjectFileCreateMemoryInstance create_callback;
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for (idx = 0;
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(create_callback =
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PluginManager::GetObjectFileCreateMemoryCallbackAtIndex(idx)) !=
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nullptr;
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++idx) {
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object_file_sp.reset(
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create_callback(module_sp, data_sp, process_sp, header_addr));
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if (object_file_sp.get())
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return object_file_sp;
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}
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}
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// We didn't find it, so clear our shared pointer in case it contains
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// anything and return an empty shared pointer
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object_file_sp.reset();
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return object_file_sp;
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}
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size_t ObjectFile::GetModuleSpecifications(const FileSpec &file,
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lldb::offset_t file_offset,
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lldb::offset_t file_size,
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ModuleSpecList &specs,
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DataBufferSP data_sp) {
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if (!data_sp)
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data_sp = FileSystem::Instance().CreateDataBuffer(file.GetPath(), 512,
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file_offset);
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if (data_sp) {
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if (file_size == 0) {
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const lldb::offset_t actual_file_size =
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FileSystem::Instance().GetByteSize(file);
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if (actual_file_size > file_offset)
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file_size = actual_file_size - file_offset;
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}
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return ObjectFile::GetModuleSpecifications(file, // file spec
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data_sp, // data bytes
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0, // data offset
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file_offset, // file offset
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file_size, // file length
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specs);
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}
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return 0;
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}
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size_t ObjectFile::GetModuleSpecifications(
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const lldb_private::FileSpec &file, lldb::DataBufferSP &data_sp,
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lldb::offset_t data_offset, lldb::offset_t file_offset,
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lldb::offset_t file_size, lldb_private::ModuleSpecList &specs) {
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const size_t initial_count = specs.GetSize();
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ObjectFileGetModuleSpecifications callback;
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uint32_t i;
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// Try the ObjectFile plug-ins
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for (i = 0;
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(callback =
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PluginManager::GetObjectFileGetModuleSpecificationsCallbackAtIndex(
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i)) != nullptr;
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++i) {
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if (callback(file, data_sp, data_offset, file_offset, file_size, specs) > 0)
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return specs.GetSize() - initial_count;
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}
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// Try the ObjectContainer plug-ins
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for (i = 0;
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(callback = PluginManager::
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GetObjectContainerGetModuleSpecificationsCallbackAtIndex(i)) !=
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nullptr;
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++i) {
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if (callback(file, data_sp, data_offset, file_offset, file_size, specs) > 0)
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return specs.GetSize() - initial_count;
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}
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return 0;
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}
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ObjectFile::ObjectFile(const lldb::ModuleSP &module_sp,
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const FileSpec *file_spec_ptr,
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lldb::offset_t file_offset, lldb::offset_t length,
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const lldb::DataBufferSP &data_sp,
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lldb::offset_t data_offset)
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: ModuleChild(module_sp),
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m_file(), // This file could be different from the original module's file
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m_type(eTypeInvalid), m_strata(eStrataInvalid),
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m_file_offset(file_offset), m_length(length), m_data(), m_process_wp(),
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m_memory_addr(LLDB_INVALID_ADDRESS), m_sections_up(), m_symtab_up(),
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m_synthetic_symbol_idx(0) {
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if (file_spec_ptr)
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m_file = *file_spec_ptr;
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if (data_sp)
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m_data.SetData(data_sp, data_offset, length);
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT));
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LLDB_LOGF(log,
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"%p ObjectFile::ObjectFile() module = %p (%s), file = %s, "
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"file_offset = 0x%8.8" PRIx64 ", size = %" PRIu64,
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static_cast<void *>(this), static_cast<void *>(module_sp.get()),
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module_sp->GetSpecificationDescription().c_str(),
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m_file ? m_file.GetPath().c_str() : "<NULL>", m_file_offset,
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m_length);
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}
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ObjectFile::ObjectFile(const lldb::ModuleSP &module_sp,
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const ProcessSP &process_sp, lldb::addr_t header_addr,
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DataBufferSP &header_data_sp)
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: ModuleChild(module_sp), m_file(), m_type(eTypeInvalid),
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m_strata(eStrataInvalid), m_file_offset(0), m_length(0), m_data(),
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m_process_wp(process_sp), m_memory_addr(header_addr), m_sections_up(),
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m_symtab_up(), m_synthetic_symbol_idx(0) {
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if (header_data_sp)
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m_data.SetData(header_data_sp, 0, header_data_sp->GetByteSize());
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT));
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LLDB_LOGF(log,
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"%p ObjectFile::ObjectFile() module = %p (%s), process = %p, "
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"header_addr = 0x%" PRIx64,
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static_cast<void *>(this), static_cast<void *>(module_sp.get()),
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module_sp->GetSpecificationDescription().c_str(),
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static_cast<void *>(process_sp.get()), m_memory_addr);
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}
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ObjectFile::~ObjectFile() {
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT));
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LLDB_LOGF(log, "%p ObjectFile::~ObjectFile ()\n", static_cast<void *>(this));
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}
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bool ObjectFile::SetModulesArchitecture(const ArchSpec &new_arch) {
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ModuleSP module_sp(GetModule());
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if (module_sp)
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return module_sp->SetArchitecture(new_arch);
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return false;
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}
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AddressClass ObjectFile::GetAddressClass(addr_t file_addr) {
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Symtab *symtab = GetSymtab();
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if (symtab) {
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Symbol *symbol = symtab->FindSymbolContainingFileAddress(file_addr);
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if (symbol) {
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if (symbol->ValueIsAddress()) {
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const SectionSP section_sp(symbol->GetAddressRef().GetSection());
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if (section_sp) {
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const SectionType section_type = section_sp->GetType();
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switch (section_type) {
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case eSectionTypeInvalid:
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return AddressClass::eUnknown;
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case eSectionTypeCode:
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return AddressClass::eCode;
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case eSectionTypeContainer:
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return AddressClass::eUnknown;
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case eSectionTypeData:
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case eSectionTypeDataCString:
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case eSectionTypeDataCStringPointers:
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case eSectionTypeDataSymbolAddress:
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case eSectionTypeData4:
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case eSectionTypeData8:
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case eSectionTypeData16:
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case eSectionTypeDataPointers:
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case eSectionTypeZeroFill:
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case eSectionTypeDataObjCMessageRefs:
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case eSectionTypeDataObjCCFStrings:
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case eSectionTypeGoSymtab:
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return AddressClass::eData;
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case eSectionTypeDebug:
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case eSectionTypeDWARFDebugAbbrev:
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case eSectionTypeDWARFDebugAbbrevDwo:
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case eSectionTypeDWARFDebugAddr:
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case eSectionTypeDWARFDebugAranges:
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case eSectionTypeDWARFDebugCuIndex:
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case eSectionTypeDWARFDebugFrame:
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case eSectionTypeDWARFDebugInfo:
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case eSectionTypeDWARFDebugInfoDwo:
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case eSectionTypeDWARFDebugLine:
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case eSectionTypeDWARFDebugLineStr:
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case eSectionTypeDWARFDebugLoc:
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case eSectionTypeDWARFDebugLocDwo:
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case eSectionTypeDWARFDebugLocLists:
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case eSectionTypeDWARFDebugLocListsDwo:
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case eSectionTypeDWARFDebugMacInfo:
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case eSectionTypeDWARFDebugMacro:
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case eSectionTypeDWARFDebugNames:
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case eSectionTypeDWARFDebugPubNames:
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case eSectionTypeDWARFDebugPubTypes:
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case eSectionTypeDWARFDebugRanges:
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case eSectionTypeDWARFDebugRngLists:
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case eSectionTypeDWARFDebugRngListsDwo:
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case eSectionTypeDWARFDebugStr:
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case eSectionTypeDWARFDebugStrDwo:
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case eSectionTypeDWARFDebugStrOffsets:
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case eSectionTypeDWARFDebugStrOffsetsDwo:
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case eSectionTypeDWARFDebugTuIndex:
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case eSectionTypeDWARFDebugTypes:
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case eSectionTypeDWARFDebugTypesDwo:
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case eSectionTypeDWARFAppleNames:
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case eSectionTypeDWARFAppleTypes:
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case eSectionTypeDWARFAppleNamespaces:
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case eSectionTypeDWARFAppleObjC:
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case eSectionTypeDWARFGNUDebugAltLink:
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return AddressClass::eDebug;
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case eSectionTypeEHFrame:
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case eSectionTypeARMexidx:
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case eSectionTypeARMextab:
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case eSectionTypeCompactUnwind:
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return AddressClass::eRuntime;
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case eSectionTypeELFSymbolTable:
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case eSectionTypeELFDynamicSymbols:
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case eSectionTypeELFRelocationEntries:
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case eSectionTypeELFDynamicLinkInfo:
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case eSectionTypeOther:
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return AddressClass::eUnknown;
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case eSectionTypeAbsoluteAddress:
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// In case of absolute sections decide the address class based on
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// the symbol type because the section type isn't specify if it is
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// a code or a data section.
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break;
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}
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}
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}
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const SymbolType symbol_type = symbol->GetType();
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switch (symbol_type) {
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case eSymbolTypeAny:
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return AddressClass::eUnknown;
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case eSymbolTypeAbsolute:
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return AddressClass::eUnknown;
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case eSymbolTypeCode:
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return AddressClass::eCode;
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case eSymbolTypeTrampoline:
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return AddressClass::eCode;
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case eSymbolTypeResolver:
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return AddressClass::eCode;
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case eSymbolTypeData:
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return AddressClass::eData;
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case eSymbolTypeRuntime:
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return AddressClass::eRuntime;
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case eSymbolTypeException:
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return AddressClass::eRuntime;
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case eSymbolTypeSourceFile:
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return AddressClass::eDebug;
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case eSymbolTypeHeaderFile:
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return AddressClass::eDebug;
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case eSymbolTypeObjectFile:
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return AddressClass::eDebug;
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case eSymbolTypeCommonBlock:
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return AddressClass::eDebug;
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case eSymbolTypeBlock:
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return AddressClass::eDebug;
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case eSymbolTypeLocal:
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return AddressClass::eData;
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case eSymbolTypeParam:
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return AddressClass::eData;
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case eSymbolTypeVariable:
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return AddressClass::eData;
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case eSymbolTypeVariableType:
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return AddressClass::eDebug;
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case eSymbolTypeLineEntry:
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return AddressClass::eDebug;
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case eSymbolTypeLineHeader:
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return AddressClass::eDebug;
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case eSymbolTypeScopeBegin:
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return AddressClass::eDebug;
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case eSymbolTypeScopeEnd:
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return AddressClass::eDebug;
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case eSymbolTypeAdditional:
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return AddressClass::eUnknown;
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case eSymbolTypeCompiler:
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return AddressClass::eDebug;
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case eSymbolTypeInstrumentation:
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return AddressClass::eDebug;
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case eSymbolTypeUndefined:
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return AddressClass::eUnknown;
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case eSymbolTypeObjCClass:
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return AddressClass::eRuntime;
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case eSymbolTypeObjCMetaClass:
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return AddressClass::eRuntime;
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case eSymbolTypeObjCIVar:
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return AddressClass::eRuntime;
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case eSymbolTypeReExported:
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return AddressClass::eRuntime;
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}
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}
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}
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return AddressClass::eUnknown;
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}
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DataBufferSP ObjectFile::ReadMemory(const ProcessSP &process_sp,
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lldb::addr_t addr, size_t byte_size) {
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DataBufferSP data_sp;
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if (process_sp) {
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std::unique_ptr<DataBufferHeap> data_up(new DataBufferHeap(byte_size, 0));
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Status error;
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const size_t bytes_read = process_sp->ReadMemory(
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addr, data_up->GetBytes(), data_up->GetByteSize(), error);
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if (bytes_read == byte_size)
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data_sp.reset(data_up.release());
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}
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return data_sp;
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}
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size_t ObjectFile::GetData(lldb::offset_t offset, size_t length,
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DataExtractor &data) const {
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// The entire file has already been mmap'ed into m_data, so just copy from
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// there as the back mmap buffer will be shared with shared pointers.
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return data.SetData(m_data, offset, length);
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}
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|
size_t ObjectFile::CopyData(lldb::offset_t offset, size_t length,
|
|
void *dst) const {
|
|
// The entire file has already been mmap'ed into m_data, so just copy from
|
|
// there Note that the data remains in target byte order.
|
|
return m_data.CopyData(offset, length, dst);
|
|
}
|
|
|
|
size_t ObjectFile::ReadSectionData(Section *section,
|
|
lldb::offset_t section_offset, void *dst,
|
|
size_t dst_len) {
|
|
assert(section);
|
|
section_offset *= section->GetTargetByteSize();
|
|
|
|
// If some other objectfile owns this data, pass this to them.
|
|
if (section->GetObjectFile() != this)
|
|
return section->GetObjectFile()->ReadSectionData(section, section_offset,
|
|
dst, dst_len);
|
|
|
|
if (!section->IsRelocated())
|
|
RelocateSection(section);
|
|
|
|
if (IsInMemory()) {
|
|
ProcessSP process_sp(m_process_wp.lock());
|
|
if (process_sp) {
|
|
Status error;
|
|
const addr_t base_load_addr =
|
|
section->GetLoadBaseAddress(&process_sp->GetTarget());
|
|
if (base_load_addr != LLDB_INVALID_ADDRESS)
|
|
return process_sp->ReadMemory(base_load_addr + section_offset, dst,
|
|
dst_len, error);
|
|
}
|
|
} else {
|
|
const lldb::offset_t section_file_size = section->GetFileSize();
|
|
if (section_offset < section_file_size) {
|
|
const size_t section_bytes_left = section_file_size - section_offset;
|
|
size_t section_dst_len = dst_len;
|
|
if (section_dst_len > section_bytes_left)
|
|
section_dst_len = section_bytes_left;
|
|
return CopyData(section->GetFileOffset() + section_offset,
|
|
section_dst_len, dst);
|
|
} else {
|
|
if (section->GetType() == eSectionTypeZeroFill) {
|
|
const uint64_t section_size = section->GetByteSize();
|
|
const uint64_t section_bytes_left = section_size - section_offset;
|
|
uint64_t section_dst_len = dst_len;
|
|
if (section_dst_len > section_bytes_left)
|
|
section_dst_len = section_bytes_left;
|
|
memset(dst, 0, section_dst_len);
|
|
return section_dst_len;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Get the section data the file on disk
|
|
size_t ObjectFile::ReadSectionData(Section *section,
|
|
DataExtractor §ion_data) {
|
|
// If some other objectfile owns this data, pass this to them.
|
|
if (section->GetObjectFile() != this)
|
|
return section->GetObjectFile()->ReadSectionData(section, section_data);
|
|
|
|
if (!section->IsRelocated())
|
|
RelocateSection(section);
|
|
|
|
if (IsInMemory()) {
|
|
ProcessSP process_sp(m_process_wp.lock());
|
|
if (process_sp) {
|
|
const addr_t base_load_addr =
|
|
section->GetLoadBaseAddress(&process_sp->GetTarget());
|
|
if (base_load_addr != LLDB_INVALID_ADDRESS) {
|
|
DataBufferSP data_sp(
|
|
ReadMemory(process_sp, base_load_addr, section->GetByteSize()));
|
|
if (data_sp) {
|
|
section_data.SetData(data_sp, 0, data_sp->GetByteSize());
|
|
section_data.SetByteOrder(process_sp->GetByteOrder());
|
|
section_data.SetAddressByteSize(process_sp->GetAddressByteSize());
|
|
return section_data.GetByteSize();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// The object file now contains a full mmap'ed copy of the object file
|
|
// data, so just use this
|
|
return GetData(section->GetFileOffset(), section->GetFileSize(),
|
|
section_data);
|
|
}
|
|
|
|
bool ObjectFile::SplitArchivePathWithObject(llvm::StringRef path_with_object,
|
|
FileSpec &archive_file,
|
|
ConstString &archive_object,
|
|
bool must_exist) {
|
|
size_t len = path_with_object.size();
|
|
if (len < 2 || path_with_object.back() != ')')
|
|
return false;
|
|
llvm::StringRef archive = path_with_object.substr(0, path_with_object.rfind('('));
|
|
if (archive.empty())
|
|
return false;
|
|
llvm::StringRef object = path_with_object.substr(archive.size() + 1).drop_back();
|
|
archive_file.SetFile(archive, FileSpec::Style::native);
|
|
if (must_exist && !FileSystem::Instance().Exists(archive_file))
|
|
return false;
|
|
archive_object.SetString(object);
|
|
return true;
|
|
}
|
|
|
|
void ObjectFile::ClearSymtab() {
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp) {
|
|
std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex());
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT));
|
|
LLDB_LOGF(log, "%p ObjectFile::ClearSymtab () symtab = %p",
|
|
static_cast<void *>(this),
|
|
static_cast<void *>(m_symtab_up.get()));
|
|
m_symtab_up.reset();
|
|
}
|
|
}
|
|
|
|
SectionList *ObjectFile::GetSectionList(bool update_module_section_list) {
|
|
if (m_sections_up == nullptr) {
|
|
if (update_module_section_list) {
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp) {
|
|
std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex());
|
|
CreateSections(*module_sp->GetUnifiedSectionList());
|
|
}
|
|
} else {
|
|
SectionList unified_section_list;
|
|
CreateSections(unified_section_list);
|
|
}
|
|
}
|
|
return m_sections_up.get();
|
|
}
|
|
|
|
lldb::SymbolType
|
|
ObjectFile::GetSymbolTypeFromName(llvm::StringRef name,
|
|
lldb::SymbolType symbol_type_hint) {
|
|
if (!name.empty()) {
|
|
if (name.startswith("_OBJC_")) {
|
|
// ObjC
|
|
if (name.startswith("_OBJC_CLASS_$_"))
|
|
return lldb::eSymbolTypeObjCClass;
|
|
if (name.startswith("_OBJC_METACLASS_$_"))
|
|
return lldb::eSymbolTypeObjCMetaClass;
|
|
if (name.startswith("_OBJC_IVAR_$_"))
|
|
return lldb::eSymbolTypeObjCIVar;
|
|
} else if (name.startswith(".objc_class_name_")) {
|
|
// ObjC v1
|
|
return lldb::eSymbolTypeObjCClass;
|
|
}
|
|
}
|
|
return symbol_type_hint;
|
|
}
|
|
|
|
std::vector<ObjectFile::LoadableData>
|
|
ObjectFile::GetLoadableData(Target &target) {
|
|
std::vector<LoadableData> loadables;
|
|
SectionList *section_list = GetSectionList();
|
|
if (!section_list)
|
|
return loadables;
|
|
// Create a list of loadable data from loadable sections
|
|
size_t section_count = section_list->GetNumSections(0);
|
|
for (size_t i = 0; i < section_count; ++i) {
|
|
LoadableData loadable;
|
|
SectionSP section_sp = section_list->GetSectionAtIndex(i);
|
|
loadable.Dest =
|
|
target.GetSectionLoadList().GetSectionLoadAddress(section_sp);
|
|
if (loadable.Dest == LLDB_INVALID_ADDRESS)
|
|
continue;
|
|
// We can skip sections like bss
|
|
if (section_sp->GetFileSize() == 0)
|
|
continue;
|
|
DataExtractor section_data;
|
|
section_sp->GetSectionData(section_data);
|
|
loadable.Contents = llvm::ArrayRef<uint8_t>(section_data.GetDataStart(),
|
|
section_data.GetByteSize());
|
|
loadables.push_back(loadable);
|
|
}
|
|
return loadables;
|
|
}
|
|
|
|
std::unique_ptr<CallFrameInfo> ObjectFile::CreateCallFrameInfo() {
|
|
return {};
|
|
}
|
|
|
|
void ObjectFile::RelocateSection(lldb_private::Section *section)
|
|
{
|
|
}
|
|
|
|
DataBufferSP ObjectFile::MapFileData(const FileSpec &file, uint64_t Size,
|
|
uint64_t Offset) {
|
|
return FileSystem::Instance().CreateDataBuffer(file.GetPath(), Size, Offset);
|
|
}
|
|
|
|
void llvm::format_provider<ObjectFile::Type>::format(
|
|
const ObjectFile::Type &type, raw_ostream &OS, StringRef Style) {
|
|
switch (type) {
|
|
case ObjectFile::eTypeInvalid:
|
|
OS << "invalid";
|
|
break;
|
|
case ObjectFile::eTypeCoreFile:
|
|
OS << "core file";
|
|
break;
|
|
case ObjectFile::eTypeExecutable:
|
|
OS << "executable";
|
|
break;
|
|
case ObjectFile::eTypeDebugInfo:
|
|
OS << "debug info";
|
|
break;
|
|
case ObjectFile::eTypeDynamicLinker:
|
|
OS << "dynamic linker";
|
|
break;
|
|
case ObjectFile::eTypeObjectFile:
|
|
OS << "object file";
|
|
break;
|
|
case ObjectFile::eTypeSharedLibrary:
|
|
OS << "shared library";
|
|
break;
|
|
case ObjectFile::eTypeStubLibrary:
|
|
OS << "stub library";
|
|
break;
|
|
case ObjectFile::eTypeJIT:
|
|
OS << "jit";
|
|
break;
|
|
case ObjectFile::eTypeUnknown:
|
|
OS << "unknown";
|
|
break;
|
|
}
|
|
}
|
|
|
|
void llvm::format_provider<ObjectFile::Strata>::format(
|
|
const ObjectFile::Strata &strata, raw_ostream &OS, StringRef Style) {
|
|
switch (strata) {
|
|
case ObjectFile::eStrataInvalid:
|
|
OS << "invalid";
|
|
break;
|
|
case ObjectFile::eStrataUnknown:
|
|
OS << "unknown";
|
|
break;
|
|
case ObjectFile::eStrataUser:
|
|
OS << "user";
|
|
break;
|
|
case ObjectFile::eStrataKernel:
|
|
OS << "kernel";
|
|
break;
|
|
case ObjectFile::eStrataRawImage:
|
|
OS << "raw image";
|
|
break;
|
|
case ObjectFile::eStrataJIT:
|
|
OS << "jit";
|
|
break;
|
|
}
|
|
}
|