C++ Section::GetFileOffset方法代码示例

本文整理汇总了C++中Section::GetFileOffset方法的典型用法代码示例。如果您正苦于以下问题：C++ Section::GetFileOffset方法的具体用法？C++ Section::GetFileOffset怎么用？C++ Section::GetFileOffset使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Section的用法示例。

在下文中一共展示了Section::GetFileOffset方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: data

//----------------------------------------------------------------------
// Process Control
//----------------------------------------------------------------------
Error
ProcessMachCore::DoLoadCore ()
{
    Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_DYNAMIC_LOADER | LIBLLDB_LOG_PROCESS));
    Error error;
    if (!m_core_module_sp)
    {
        error.SetErrorString ("invalid core module");   
        return error;
    }

    ObjectFile *core_objfile = m_core_module_sp->GetObjectFile();
    if (core_objfile == NULL)
    {
        error.SetErrorString ("invalid core object file");   
        return error;
    }
    
    if (core_objfile->GetNumThreadContexts() == 0)
    {
        error.SetErrorString ("core file doesn't contain any LC_THREAD load commands, or the LC_THREAD architecture is not supported in this lldb");
        return error;
    }

    SectionList *section_list = core_objfile->GetSectionList();
    if (section_list == NULL)
    {
        error.SetErrorString ("core file has no sections");   
        return error;
    }
        
    const uint32_t num_sections = section_list->GetNumSections(0);
    if (num_sections == 0)
    {
        error.SetErrorString ("core file has no sections");   
        return error;
    }
    
    SetCanJIT(false);

    llvm::MachO::mach_header header;
    DataExtractor data (&header, 
                        sizeof(header), 
                        m_core_module_sp->GetArchitecture().GetByteOrder(),
                        m_core_module_sp->GetArchitecture().GetAddressByteSize());

    bool ranges_are_sorted = true;
    addr_t vm_addr = 0;
    for (uint32_t i=0; i<num_sections; ++i)
    {
        Section *section = section_list->GetSectionAtIndex (i).get();
        if (section)
        {
            lldb::addr_t section_vm_addr = section->GetFileAddress();
            FileRange file_range (section->GetFileOffset(), section->GetFileSize());
            VMRangeToFileOffset::Entry range_entry (section_vm_addr,
                                                    section->GetByteSize(),
                                                    file_range);
            
            if (vm_addr > section_vm_addr)
                ranges_are_sorted = false;
            vm_addr = section->GetFileAddress();
            VMRangeToFileOffset::Entry *last_entry = m_core_aranges.Back();
//            printf ("LC_SEGMENT[%u] arange=[0x%16.16" PRIx64 " - 0x%16.16" PRIx64 "), frange=[0x%8.8x - 0x%8.8x)\n",
//                    i, 
//                    range_entry.GetRangeBase(),
//                    range_entry.GetRangeEnd(),
//                    range_entry.data.GetRangeBase(),
//                    range_entry.data.GetRangeEnd());

            if (last_entry &&
                last_entry->GetRangeEnd() == range_entry.GetRangeBase() &&
                last_entry->data.GetRangeEnd() == range_entry.data.GetRangeBase())
            {
                last_entry->SetRangeEnd (range_entry.GetRangeEnd());
                last_entry->data.SetRangeEnd (range_entry.data.GetRangeEnd());
                //puts("combine");
            }
            else
            {
                m_core_aranges.Append(range_entry);
            }
            // Some core files don't fill in the permissions correctly. If that is the case
            // assume read + execute so clients don't think the memory is not readable,
            // or executable. The memory isn't writable since this plug-in doesn't implement
            // DoWriteMemory.
            uint32_t permissions = section->GetPermissions();
            if (permissions == 0)
                permissions = lldb::ePermissionsReadable | lldb::ePermissionsExecutable;
            m_core_range_infos.Append(
                VMRangeToPermissions::Entry(section_vm_addr, section->GetByteSize(), permissions));
        }
    }
    if (!ranges_are_sorted)
    {
        m_core_aranges.Sort();
        m_core_range_infos.Sort();
//.........这里部分代码省略.........

开发者ID:bob-wilson，项目名称:swift-lldb，代码行数:101，代码来源:ProcessMachCore.cpp

示例2: data

//----------------------------------------------------------------------
// Process Control
//----------------------------------------------------------------------
Error
ProcessMachCore::DoLoadCore ()
{
    Error error;
    if (!m_core_module_sp)
    {
        error.SetErrorString ("invalid core module");   
        return error;
    }

    ObjectFile *core_objfile = m_core_module_sp->GetObjectFile();
    if (core_objfile == NULL)
    {
        error.SetErrorString ("invalid core object file");   
        return error;
    }
    
    if (core_objfile->GetNumThreadContexts() == 0)
    {
        error.SetErrorString ("core file doesn't contain any LC_THREAD load commands, or the LC_THREAD architecture is not supported in this lldb");
        return error;
    }

    SectionList *section_list = core_objfile->GetSectionList();
    if (section_list == NULL)
    {
        error.SetErrorString ("core file has no sections");   
        return error;
    }
        
    const uint32_t num_sections = section_list->GetNumSections(0);
    if (num_sections == 0)
    {
        error.SetErrorString ("core file has no sections");   
        return error;
    }
    
    SetCanJIT(false);

    llvm::MachO::mach_header header;
    DataExtractor data (&header, 
                        sizeof(header), 
                        m_core_module_sp->GetArchitecture().GetByteOrder(),
                        m_core_module_sp->GetArchitecture().GetAddressByteSize());

    bool ranges_are_sorted = true;
    addr_t vm_addr = 0;
    for (uint32_t i=0; i<num_sections; ++i)
    {
        Section *section = section_list->GetSectionAtIndex (i).get();
        if (section)
        {
            lldb::addr_t section_vm_addr = section->GetFileAddress();
            FileRange file_range (section->GetFileOffset(), section->GetFileSize());
            VMRangeToFileOffset::Entry range_entry (section_vm_addr,
                                                    section->GetByteSize(),
                                                    file_range);
            
            if (vm_addr > section_vm_addr)
                ranges_are_sorted = false;
            vm_addr = section->GetFileAddress();
            VMRangeToFileOffset::Entry *last_entry = m_core_aranges.Back();
//            printf ("LC_SEGMENT[%u] arange=[0x%16.16" PRIx64 " - 0x%16.16" PRIx64 "), frange=[0x%8.8x - 0x%8.8x)\n",
//                    i, 
//                    range_entry.GetRangeBase(),
//                    range_entry.GetRangeEnd(),
//                    range_entry.data.GetRangeBase(),
//                    range_entry.data.GetRangeEnd());

            if (last_entry &&
                last_entry->GetRangeEnd() == range_entry.GetRangeBase() &&
                last_entry->data.GetRangeEnd() == range_entry.data.GetRangeBase())
            {
                last_entry->SetRangeEnd (range_entry.GetRangeEnd());
                last_entry->data.SetRangeEnd (range_entry.data.GetRangeEnd());
                //puts("combine");
            }
            else
            {
                m_core_aranges.Append(range_entry);
            }
        }
    }
    if (!ranges_are_sorted)
    {
        m_core_aranges.Sort();
    }

    if (m_dyld_addr == LLDB_INVALID_ADDRESS || m_mach_kernel_addr == LLDB_INVALID_ADDRESS)
    {
        // We need to locate the main executable in the memory ranges
        // we have in the core file.  We need to search for both a user-process dyld binary
        // and a kernel binary in memory; we must look at all the pages in the binary so
        // we don't miss one or the other.  If we find a user-process dyld binary, stop
        // searching -- that's the one we'll prefer over the mach kernel.
        const size_t num_core_aranges = m_core_aranges.GetSize();
        for (size_t i=0; i<num_core_aranges && m_dyld_addr == LLDB_INVALID_ADDRESS; ++i)
//.........这里部分代码省略.........

开发者ID:crystax，项目名称:android-toolchain-lldb-3-6，代码行数:101，代码来源:ProcessMachCore.cpp

示例3: data

//----------------------------------------------------------------------
// Process Control
//----------------------------------------------------------------------
Error
ProcessMachCore::DoLoadCore ()
{
    Error error;
    if (!m_core_module_sp)
    {
        error.SetErrorString ("invalid core module");   
        return error;
    }

    ObjectFile *core_objfile = m_core_module_sp->GetObjectFile();
    if (core_objfile == NULL)
    {
        error.SetErrorString ("invalid core object file");   
        return error;
    }
    
    if (core_objfile->GetNumThreadContexts() == 0)
    {
        error.SetErrorString ("core file doesn't contain any LC_THREAD load commands, or the LC_THREAD architecture is not supported in this lldb");
        return error;
    }

    SectionList *section_list = core_objfile->GetSectionList();
    if (section_list == NULL)
    {
        error.SetErrorString ("core file has no sections");   
        return error;
    }
        
    const uint32_t num_sections = section_list->GetNumSections(0);
    if (num_sections == 0)
    {
        error.SetErrorString ("core file has no sections");   
        return error;
    }
    
    SetCanJIT(false);

    llvm::MachO::mach_header header;
    DataExtractor data (&header, 
                        sizeof(header), 
                        m_core_module_sp->GetArchitecture().GetByteOrder(),
                        m_core_module_sp->GetArchitecture().GetAddressByteSize());

    bool ranges_are_sorted = true;
    addr_t vm_addr = 0;
    for (uint32_t i=0; i<num_sections; ++i)
    {
        Section *section = section_list->GetSectionAtIndex (i).get();
        if (section)
        {
            lldb::addr_t section_vm_addr = section->GetFileAddress();
            FileRange file_range (section->GetFileOffset(), section->GetFileSize());
            VMRangeToFileOffset::Entry range_entry (section_vm_addr,
                                                    section->GetByteSize(),
                                                    file_range);
            
            if (vm_addr > section_vm_addr)
                ranges_are_sorted = false;
            vm_addr = section->GetFileAddress();
            VMRangeToFileOffset::Entry *last_entry = m_core_aranges.Back();
//            printf ("LC_SEGMENT[%u] arange=[0x%16.16" PRIx64 " - 0x%16.16" PRIx64 "), frange=[0x%8.8x - 0x%8.8x)\n",
//                    i, 
//                    range_entry.GetRangeBase(),
//                    range_entry.GetRangeEnd(),
//                    range_entry.data.GetRangeBase(),
//                    range_entry.data.GetRangeEnd());

            if (last_entry &&
                last_entry->GetRangeEnd() == range_entry.GetRangeBase() &&
                last_entry->data.GetRangeEnd() == range_entry.data.GetRangeBase())
            {
                last_entry->SetRangeEnd (range_entry.GetRangeEnd());
                last_entry->data.SetRangeEnd (range_entry.data.GetRangeEnd());
                //puts("combine");
            }
            else
            {
                m_core_aranges.Append(range_entry);
            }
            
            // After we have added this section to our m_core_aranges map,
            // we can check the start of the section to see if it might
            // contain dyld for user space apps, or the mach kernel file 
            // for kernel cores.
            if (m_dyld_addr == LLDB_INVALID_ADDRESS)
                GetDynamicLoaderAddress (section_vm_addr);
        }
    }
    if (!ranges_are_sorted)
    {
        m_core_aranges.Sort();
    }

    // Even if the architecture is set in the target, we need to override
    // it to match the core file which is always single arch.
//.........这里部分代码省略.........

开发者ID:PDi-Communication-Systems-Inc，项目名称:lollipop_external_lldb，代码行数:101，代码来源:ProcessMachCore.cpp

注：本文中的Section::GetFileOffset方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。