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// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
// Copyright Antony Polukhin, 2015-2025.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
// For more information, see http://www.boost.org
#include <boost/dll/detail/elf_info.hpp>
#include <boost/dll/detail/pe_info.hpp>
#include <boost/dll/detail/macho_info.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/predef/os.h>
#if BOOST_OS_WINDOWS
# include <windows.h>
#elif BOOST_OS_MACOS || BOOST_OS_IOS
# include <mach-o/loader.h>
# include <mach-o/nlist.h>
#elif BOOST_OS_QNX
// QNX's copy of <elf.h> and <link.h> reside in sys folder
# include <sys/elf.h>
#else
#include <elf.h>
#endif
namespace dd = boost::dll::detail;
template <class T1, class T2>
inline std::size_t get_offset(const T1& v1, const T2& v2) {
const unsigned char* p1 = reinterpret_cast<const unsigned char*>(&v1);
const unsigned char* p2 = reinterpret_cast<const unsigned char*>(&v2);
if (p1 < p2) {
return static_cast<std::size_t>(p2 - p1);
}
return static_cast<std::size_t>(p1 - p2);
}
#define CHECK_FIELD(Field) \
static_assert(sizeof(v1.Field) == sizeof(v2.Field), ""); \
BOOST_TEST(get_offset(v1, v1.Field) == get_offset(v2, v2.Field)) \
/**/
// ELF structures
template <class T1, class T2>
void elf_header_checks(const T1& v1, const T2& v2) {
static_assert(sizeof(T1) == sizeof(T2), "");
CHECK_FIELD(e_ident);
CHECK_FIELD(e_type);
CHECK_FIELD(e_machine);
CHECK_FIELD(e_version);
CHECK_FIELD(e_entry);
CHECK_FIELD(e_phoff);
CHECK_FIELD(e_shoff);
CHECK_FIELD(e_flags);
CHECK_FIELD(e_ehsize);
CHECK_FIELD(e_phentsize);
CHECK_FIELD(e_phnum);
CHECK_FIELD(e_shentsize);
CHECK_FIELD(e_shnum);
CHECK_FIELD(e_shstrndx);
}
template <class T1, class T2>
void elf_sheader_checks(const T1& v1, const T2& v2) {
static_assert(sizeof(T1) == sizeof(T2), "");
CHECK_FIELD(sh_name);
CHECK_FIELD(sh_type);
CHECK_FIELD(sh_flags);
CHECK_FIELD(sh_addr);
CHECK_FIELD(sh_offset);
CHECK_FIELD(sh_size);
CHECK_FIELD(sh_link);
CHECK_FIELD(sh_info);
CHECK_FIELD(sh_addralign);
CHECK_FIELD(sh_entsize);
}
template <class T1, class T2>
void elf_sym_header_checks(const T1& v1, const T2& v2) {
static_assert(sizeof(T1) == sizeof(T2), "");
CHECK_FIELD(st_name);
CHECK_FIELD(st_value);
CHECK_FIELD(st_size);
CHECK_FIELD(st_info);
CHECK_FIELD(st_other);
CHECK_FIELD(st_shndx);
}
// PE structures
template <class T>
void generic_header_check(const T& v1, const dd::IMAGE_DOS_HEADER_& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(e_magic);
CHECK_FIELD(e_cblp);
CHECK_FIELD(e_cp);
CHECK_FIELD(e_crlc);
CHECK_FIELD(e_cparhdr);
CHECK_FIELD(e_minalloc);
CHECK_FIELD(e_maxalloc);
CHECK_FIELD(e_ss);
CHECK_FIELD(e_sp);
CHECK_FIELD(e_csum);
CHECK_FIELD(e_ip);
CHECK_FIELD(e_cs);
CHECK_FIELD(e_lfarlc);
CHECK_FIELD(e_ovno);
CHECK_FIELD(e_res);
CHECK_FIELD(e_oemid);
CHECK_FIELD(e_oeminfo);
CHECK_FIELD(e_res2);
CHECK_FIELD(e_lfanew);
}
template <class T>
void generic_header_check(const T& v1, const dd::IMAGE_FILE_HEADER_& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(Machine);
CHECK_FIELD(NumberOfSections);
CHECK_FIELD(TimeDateStamp);
CHECK_FIELD(PointerToSymbolTable);
CHECK_FIELD(NumberOfSymbols);
CHECK_FIELD(SizeOfOptionalHeader);
CHECK_FIELD(Characteristics);
}
template <class T>
void generic_header_check(const T& v1, const dd::IMAGE_DATA_DIRECTORY_& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(VirtualAddress);
CHECK_FIELD(Size);
}
template <class T>
void generic_header_check(const T& v1, const dd::IMAGE_EXPORT_DIRECTORY_& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(Characteristics);
CHECK_FIELD(TimeDateStamp);
CHECK_FIELD(MajorVersion);
CHECK_FIELD(MinorVersion);
CHECK_FIELD(Name);
CHECK_FIELD(Base);
CHECK_FIELD(NumberOfFunctions);
CHECK_FIELD(NumberOfNames);
CHECK_FIELD(AddressOfFunctions);
CHECK_FIELD(AddressOfNames);
CHECK_FIELD(AddressOfNameOrdinals);
}
template <class T>
void generic_header_check(const T& v1, const dd::IMAGE_SECTION_HEADER_& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(Name);
CHECK_FIELD(VirtualAddress);
CHECK_FIELD(SizeOfRawData);
CHECK_FIELD(PointerToRawData);
CHECK_FIELD(PointerToRelocations);
CHECK_FIELD(PointerToLinenumbers);
CHECK_FIELD(NumberOfRelocations);
CHECK_FIELD(NumberOfLinenumbers);
CHECK_FIELD(Characteristics);
}
template <class T, class AddrT>
void generic_header_check(const T& v1, const dd::IMAGE_OPTIONAL_HEADER_template<AddrT>& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(Magic);
CHECK_FIELD(MajorLinkerVersion);
CHECK_FIELD(MinorLinkerVersion);
CHECK_FIELD(SizeOfCode);
CHECK_FIELD(SizeOfInitializedData);
CHECK_FIELD(SizeOfUninitializedData);
CHECK_FIELD(AddressOfEntryPoint);
CHECK_FIELD(ImageBase);
CHECK_FIELD(SectionAlignment);
CHECK_FIELD(FileAlignment);
CHECK_FIELD(MajorOperatingSystemVersion);
CHECK_FIELD(MinorOperatingSystemVersion);
CHECK_FIELD(MajorImageVersion);
CHECK_FIELD(MinorImageVersion);
CHECK_FIELD(MajorSubsystemVersion);
CHECK_FIELD(MinorSubsystemVersion);
CHECK_FIELD(Win32VersionValue);
CHECK_FIELD(SizeOfImage);
CHECK_FIELD(SizeOfHeaders);
CHECK_FIELD(CheckSum);
CHECK_FIELD(Subsystem);
CHECK_FIELD(DllCharacteristics);
CHECK_FIELD(SizeOfStackReserve);
CHECK_FIELD(SizeOfStackCommit);
CHECK_FIELD(SizeOfHeapReserve);
CHECK_FIELD(SizeOfHeapCommit);
CHECK_FIELD(LoaderFlags);
CHECK_FIELD(NumberOfRvaAndSizes);
CHECK_FIELD(DataDirectory);
}
template <class T, class AddrT>
void generic_header_check(const T& v1, const dd::IMAGE_NT_HEADERS_template<AddrT>& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(Signature);
CHECK_FIELD(FileHeader);
CHECK_FIELD(OptionalHeader);
}
template <class T, class AddrT>
void generic_header_check(const T& v1, const dd::mach_header_template<AddrT>& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(magic);
CHECK_FIELD(cputype);
CHECK_FIELD(cpusubtype);
CHECK_FIELD(filetype);
CHECK_FIELD(ncmds);
CHECK_FIELD(sizeofcmds);
//CHECK_FIELD(flags);
}
template <class T, class AddrT>
void generic_header_check(const T& v1, const dd::segment_command_template<AddrT>& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(cmd);
CHECK_FIELD(cmdsize);
CHECK_FIELD(segname);
CHECK_FIELD(vmaddr);
CHECK_FIELD(vmsize);
CHECK_FIELD(fileoff);
CHECK_FIELD(filesize);
CHECK_FIELD(maxprot);
CHECK_FIELD(initprot);
CHECK_FIELD(nsects);
CHECK_FIELD(flags);
}
template <class T, class AddrT>
void generic_header_check(const T& v1, const dd::section_template<AddrT>& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(sectname);
CHECK_FIELD(segname);
CHECK_FIELD(addr);
CHECK_FIELD(size);
CHECK_FIELD(offset);
CHECK_FIELD(align);
CHECK_FIELD(reloff);
CHECK_FIELD(nreloc);
CHECK_FIELD(flags);
//CHECK_FIELD(reserved vs reserveed1&reserved2);
}
template <class T>
void generic_header_check(const T& v1, const dd::symtab_command_& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(cmd);
CHECK_FIELD(cmdsize);
CHECK_FIELD(symoff);
CHECK_FIELD(nsyms);
CHECK_FIELD(stroff);
CHECK_FIELD(strsize);
}
template <class T, class AddrT>
void generic_header_check(const T& v1, const dd::nlist_template<AddrT>& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
//CHECK_FIELD(n_strx);
CHECK_FIELD(n_type);
CHECK_FIELD(n_sect);
CHECK_FIELD(n_desc);
CHECK_FIELD(n_value);
}
template <class T>
void generic_header_check(const T& v1, const dd::load_command_& v2) {
static_assert(sizeof(v1) == sizeof(v2), "");
CHECK_FIELD(cmd);
CHECK_FIELD(cmdsize);
}
// Unit Tests
int main(int /*argc*/, char* /*argv*/[]) {
#if BOOST_OS_WINDOWS
generic_header_check(::IMAGE_DOS_HEADER(), dd::IMAGE_DOS_HEADER_());
generic_header_check(::IMAGE_FILE_HEADER(), dd::IMAGE_FILE_HEADER_());
generic_header_check(::IMAGE_DATA_DIRECTORY(), dd::IMAGE_DATA_DIRECTORY_());
generic_header_check(::IMAGE_EXPORT_DIRECTORY(), dd::IMAGE_EXPORT_DIRECTORY_());
generic_header_check(::IMAGE_SECTION_HEADER(), dd::IMAGE_SECTION_HEADER_());
generic_header_check(::IMAGE_OPTIONAL_HEADER32(), dd::IMAGE_OPTIONAL_HEADER32_());
generic_header_check(::IMAGE_OPTIONAL_HEADER64(), dd::IMAGE_OPTIONAL_HEADER64_());
generic_header_check(::IMAGE_NT_HEADERS32(), dd::IMAGE_NT_HEADERS32_());
generic_header_check(::IMAGE_NT_HEADERS64(), dd::IMAGE_NT_HEADERS64_());
#elif BOOST_OS_MACOS || BOOST_OS_IOS
generic_header_check(::mach_header(), dd::mach_header_32_());
generic_header_check(::mach_header_64(), dd::mach_header_64_());
generic_header_check(::segment_command(), dd::segment_command_32_());
generic_header_check(::segment_command_64(), dd::segment_command_64_());
generic_header_check(::section(), dd::section_32_());
generic_header_check(::section_64(), dd::section_64_());
generic_header_check(::load_command(), dd::load_command_());
generic_header_check(::symtab_command(), dd::symtab_command_());
struct ::nlist nl32_var;
generic_header_check(nl32_var, dd::nlist_32_());
struct ::nlist_64 nl64_var;
generic_header_check(nl64_var, dd::nlist_64_());
#else
elf_header_checks(::Elf32_Ehdr(), dd::Elf32_Ehdr_());
elf_header_checks(::Elf64_Ehdr(), dd::Elf64_Ehdr_());
elf_sheader_checks(::Elf32_Shdr(), dd::Elf32_Shdr_());
elf_sheader_checks(::Elf64_Shdr(), dd::Elf64_Shdr_());
elf_sym_header_checks(::Elf32_Sym(), dd::Elf32_Sym_());
elf_sym_header_checks(::Elf64_Sym(), dd::Elf64_Sym_());
#endif
return boost::report_errors();
}
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