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elf headers and elf program headers in imgui elfviewer

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This commit is contained in:
georgemoralis 2023-05-10 22:21:34 +03:00
parent 6511b280cf
commit f2198ef27d
3 changed files with 105 additions and 82 deletions
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175
src/Loader/Elf.cpp
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@ -281,92 +281,14 @@ void Elf::DebugDump() {
}
spdlog::info("\n");
spdlog::info("Elf header:\n");
spdlog::info(" ident ............: 0x");
for (auto i : m_elf_header->e_ident.magic)
{
spdlog::info("{:02X}", i);
}
spdlog::info("\n");
auto ident_class = magic_enum::enum_cast<ident_class_es>(m_elf_header->e_ident.ei_class);
if (ident_class.has_value())
{
spdlog::info(" ident class.......: {}\n", magic_enum::enum_name(ident_class.value()));
}
auto ident_data = magic_enum::enum_cast<ident_endian_es>(m_elf_header->e_ident.ei_data);
if (ident_data.has_value())
{
spdlog::info(" ident data .......: {}\n", magic_enum::enum_name(ident_data.value()));
}
auto ident_version = magic_enum::enum_cast<ident_version_es>(m_elf_header->e_ident.ei_version);
if (ident_version.has_value())
{
spdlog::info(" ident version.....: {}\n", magic_enum::enum_name(ident_version.value()));
}
auto ident_osabi = magic_enum::enum_cast<ident_osabi_es>(m_elf_header->e_ident.ei_osabi);
if (ident_osabi.has_value())
{
spdlog::info(" ident osabi .....: {}\n", magic_enum::enum_name(ident_osabi.value()));
}
auto ident_abiversion = magic_enum::enum_cast<ident_abiversion_es>(m_elf_header->e_ident.ei_abiversion);
if (ident_abiversion.has_value())
{
spdlog::info(" ident abiversion..: {}\n", magic_enum::enum_name(ident_abiversion.value()));
}
spdlog::info(" ident UNK ........: 0x");
for (auto i : m_elf_header->e_ident.pad)
{
spdlog::info("{:02X}", i);
}
spdlog::info("\n");
auto type = magic_enum::enum_cast<e_type_s>(m_elf_header->e_type);
if (type.has_value())
{
spdlog::info(" type ............: {}\n", magic_enum::enum_name(type.value()));
}
auto machine = magic_enum::enum_cast<e_machine_es>(m_elf_header->e_machine);
if (machine.has_value())
{
spdlog::info(" machine ..........: {}\n", magic_enum::enum_name(machine.value()));
}
auto version = magic_enum::enum_cast<e_version_es>(m_elf_header->e_version);
if (version.has_value())
{
spdlog::info(" version ..........: {}\n", magic_enum::enum_name(version.value()));
}
spdlog::info(" entry ............: {:#018x}\n", m_elf_header->e_entry);
spdlog::info(" phoff ............: {:#018x}\n", m_elf_header->e_phoff);
spdlog::info(" shoff ............: {:#018x}\n", m_elf_header->e_shoff);
spdlog::info(" flags ............: {:#010x}\n", m_elf_header->e_flags);
spdlog::info(" ehsize ...........: {}\n", m_elf_header->e_ehsize);
spdlog::info(" phentsize ........: {}\n", m_elf_header->e_phentsize);
spdlog::info(" phnum ............: {}\n", m_elf_header->e_phnum);
spdlog::info(" shentsize ........: {}\n", m_elf_header->e_shentsize);
spdlog::info(" shnum ............: {}\n", m_elf_header->e_shnum);
spdlog::info(" shstrndx .........: {}\n", m_elf_header->e_shstrndx);
spdlog::info(ElfHeaderStr());
if (m_elf_header->e_phentsize > 0)
{
spdlog::info("Program headers:\n");
for (u16 i = 0; i < m_elf_header->e_phnum; i++)
{
spdlog::info("--- phdr [{}] ---\n", i);
spdlog::info("p_type ....: {:#010x}\n", (m_elf_phdr+i)->p_type);
spdlog::info("p_flags ...: {:#010x}\n", (m_elf_phdr + i)->p_flags);
spdlog::info("p_offset ..: {:#018x}\n", (m_elf_phdr + i)->p_offset);
spdlog::info("p_vaddr ...: {:#018x}\n", (m_elf_phdr + i)->p_vaddr);
spdlog::info("p_paddr ...: {:#018x}\n", (m_elf_phdr + i)->p_paddr);
spdlog::info("p_filesz ..: {:#018x}\n", (m_elf_phdr + i)->p_filesz);
spdlog::info("p_memsz ...: {:#018x}\n", (m_elf_phdr + i)->p_memsz);
spdlog::info("p_align ...: {:#018x}\n", (m_elf_phdr + i)->p_align);
spdlog::info(ElfPHeaderStr(i));
}
}
if (m_elf_header->e_shentsize > 0)
@ -431,10 +353,99 @@ std::string Elf::SElfHeaderStr() {
std::string Elf::SELFSegHeader(u16 no)
{
auto segment_header = m_self_segments[no];
std::string header = fmt::format("======SEGMENT HEADER {} ========\n", no);
std::string header = fmt::format("====== SEGMENT HEADER {} ========\n", no);
header += fmt::format("flags ............: {:#018x}\n", segment_header.flags);
header += fmt::format("file offset ......: {:#018x}\n", segment_header.file_offset);
header += fmt::format("file size ........: {}\n", segment_header.file_size);
header += fmt::format("memory size ......: {}\n", segment_header.memory_size);
return header;
}
}
std::string Elf::ElfHeaderStr()
{
std::string header = fmt::format("======= Elf header ===========\n");
header+= fmt::format("ident ............: 0x");
for (auto i : m_elf_header->e_ident.magic)
{
header += fmt::format("{:02X}", i);
}
header += fmt::format("\n");
auto ident_class = magic_enum::enum_cast<ident_class_es>(m_elf_header->e_ident.ei_class);
if (ident_class.has_value())
{
header += fmt::format("ident class.......: {}\n", magic_enum::enum_name(ident_class.value()));
}
auto ident_data = magic_enum::enum_cast<ident_endian_es>(m_elf_header->e_ident.ei_data);
if (ident_data.has_value())
{
header += fmt::format("ident data .......: {}\n", magic_enum::enum_name(ident_data.value()));
}
auto ident_version = magic_enum::enum_cast<ident_version_es>(m_elf_header->e_ident.ei_version);
if (ident_version.has_value())
{
header += fmt::format("ident version.....: {}\n", magic_enum::enum_name(ident_version.value()));
}
auto ident_osabi = magic_enum::enum_cast<ident_osabi_es>(m_elf_header->e_ident.ei_osabi);
if (ident_osabi.has_value())
{
header += fmt::format("ident osabi .....: {}\n", magic_enum::enum_name(ident_osabi.value()));
}
auto ident_abiversion = magic_enum::enum_cast<ident_abiversion_es>(m_elf_header->e_ident.ei_abiversion);
if (ident_abiversion.has_value())
{
header += fmt::format("ident abiversion..: {}\n", magic_enum::enum_name(ident_abiversion.value()));
}
header += fmt::format("ident UNK ........: 0x");
for (auto i : m_elf_header->e_ident.pad)
{
header += fmt::format("{:02X}", i);
}
header += fmt::format("\n");
auto type = magic_enum::enum_cast<e_type_s>(m_elf_header->e_type);
if (type.has_value())
{
header += fmt::format("type ............: {}\n", magic_enum::enum_name(type.value()));
}
auto machine = magic_enum::enum_cast<e_machine_es>(m_elf_header->e_machine);
if (machine.has_value())
{
header += fmt::format("machine ..........: {}\n", magic_enum::enum_name(machine.value()));
}
auto version = magic_enum::enum_cast<e_version_es>(m_elf_header->e_version);
if (version.has_value())
{
header += fmt::format("version ..........: {}\n", magic_enum::enum_name(version.value()));
}
header += fmt::format("entry ............: {:#018x}\n", m_elf_header->e_entry);
header += fmt::format("phoff ............: {:#018x}\n", m_elf_header->e_phoff);
header += fmt::format("shoff ............: {:#018x}\n", m_elf_header->e_shoff);
header += fmt::format("flags ............: {:#010x}\n", m_elf_header->e_flags);
header += fmt::format("ehsize ...........: {}\n", m_elf_header->e_ehsize);
header += fmt::format("phentsize ........: {}\n", m_elf_header->e_phentsize);
header += fmt::format("phnum ............: {}\n", m_elf_header->e_phnum);
header += fmt::format("shentsize ........: {}\n", m_elf_header->e_shentsize);
header += fmt::format("shnum ............: {}\n", m_elf_header->e_shnum);
header += fmt::format("shstrndx .........: {}\n", m_elf_header->e_shstrndx);
return header;
}
std::string Elf::ElfPHeaderStr(u16 no)
{
std::string header = fmt::format("====== PROGRAM HEADER {} ========\n", no);
header += fmt::format("p_type ....: {:#010x}\n", (m_elf_phdr + no)->p_type);
header += fmt::format("p_flags ...: {:#010x}\n", (m_elf_phdr + no)->p_flags);
header += fmt::format("p_offset ..: {:#018x}\n", (m_elf_phdr + no)->p_offset);
header += fmt::format("p_vaddr ...: {:#018x}\n", (m_elf_phdr + no)->p_vaddr);
header += fmt::format("p_paddr ...: {:#018x}\n", (m_elf_phdr + no)->p_paddr);
header += fmt::format("p_filesz ..: {:#018x}\n", (m_elf_phdr + no)->p_filesz);
header += fmt::format("p_memsz ...: {:#018x}\n", (m_elf_phdr + no)->p_memsz);
header += fmt::format("p_align ...: {:#018x}\n", (m_elf_phdr + no)->p_align);
return header;
}