本文整理汇总了C++中pe_base::update_number_of_sections方法的典型用法代码示例。如果您正苦于以下问题：C++ pe_base::update_number_of_sections方法的具体用法？C++ pe_base::update_number_of_sections怎么用？C++ pe_base::update_number_of_sections使用的例子？那么恭喜您, 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pe_base的用法示例。
在下文中一共展示了pe_base::update_number_of_sections方法的1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: rebuild_pe
//Rebuilds PE image headers
//If strip_dos_header is true, DOS headers partially will be used for PE headers
//If change_size_of_headers == true, SizeOfHeaders will be recalculated automatically
//If save_bound_import == true, existing bound import directory will be saved correctly (because some compilers and bind.exe put it to PE headers)
void rebuild_pe(pe_base& pe, image_dos_header& dos_header, bool strip_dos_header, bool change_size_of_headers, bool save_bound_import)
{
dos_header = pe.get_dos_header();
if(strip_dos_header)
{
//Strip stub overlay
pe.strip_stub_overlay();
//BaseOfCode NT Headers field now overlaps
//e_lfanew field, so we're acrually setting
//e_lfanew with this call
pe.set_base_of_code(8 * sizeof(uint16_t));
}
else
{
//Set start of PE headers
dos_header.e_lfanew = sizeof(image_dos_header)
+ pe_utils::align_up(static_cast<uint32_t>(pe.get_stub_overlay().size()), sizeof(uint32_t));
}
section_list& sections = pe.get_image_sections();
//Calculate pointer to section data
size_t ptr_to_section_data = (strip_dos_header ? 8 * sizeof(uint16_t) : sizeof(image_dos_header)) + pe.get_sizeof_nt_header()
+ pe_utils::align_up(pe.get_stub_overlay().size(), sizeof(uint32_t))
- sizeof(image_data_directory) * (image_numberof_directory_entries - pe.get_number_of_rvas_and_sizes())
+ sections.size() * sizeof(image_section_header);
if(save_bound_import && pe.has_bound_import())
{
//It will be aligned to DWORD, because we're aligning to DWORD everything above it
pe.set_directory_rva(image_directory_entry_bound_import, static_cast<uint32_t>(ptr_to_section_data));
ptr_to_section_data += pe.get_directory_size(image_directory_entry_bound_import);
}
ptr_to_section_data = pe_utils::align_up(ptr_to_section_data, pe.get_file_alignment());
//Set size of headers and size of optional header
if(change_size_of_headers)
{
if(!pe.get_image_sections().empty())
{
if(static_cast<uint32_t>(ptr_to_section_data) > (*sections.begin()).get_virtual_address())
throw pe_exception("Headers of PE file are too long. Try to strip STUB or don't build bound import", pe_exception::cannot_rebuild_image);
}
pe.set_size_of_headers(static_cast<uint32_t>(ptr_to_section_data));
}
//Set number of sections in PE header
pe.update_number_of_sections();
pe.update_image_size();
pe.set_size_of_optional_header(static_cast<uint16_t>(pe.get_sizeof_opt_headers()
- sizeof(image_data_directory) * (image_numberof_directory_entries - pe.get_number_of_rvas_and_sizes())));
//Recalculate pointer to raw data according to section list
for(section_list::iterator it = sections.begin(); it != sections.end(); ++it)
{
//Save section headers PointerToRawData
if((*it).get_size_of_raw_data())
{
(*it).set_pointer_to_raw_data(static_cast<uint32_t>(ptr_to_section_data));
ptr_to_section_data += (*it).get_aligned_raw_size(pe.get_file_alignment());
}
}
}