RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 10:47:35 +00:00
Code Issues Activity Actions

Kernel+LibELF: Add support for validating and loading ELF64 executables

Browse source
This commit is contained in:
Gunnar Beutner 2021-06-28 17:24:08 +02:00 • committed by Andreas Kling
parent e35b060501
commit 158355e0d7
13 changed files with 109 additions and 78 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Userland/Libraries/LibELF/DynamicLoader.cpp
View file

@ -45,7 +45,7 @@ Result<NonnullRefPtr<DynamicLoader>, DlErrorMessage> DynamicLoader::try_create(i
VERIFY(stat.st_size >= 0);
auto size = static_cast<size_t>(stat.st_size);
if (size < sizeof(Elf32_Ehdr))
if (size < sizeof(ElfW(Ehdr)))
return DlErrorMessage { String::formatted("File {} has invalid ELF header", filename) };
String file_mmap_name = String::formatted("ELF_DYN: {}", filename);
@ -117,7 +117,7 @@ bool DynamicLoader::validate()
if (!m_elf_image.is_valid())
return false;
auto* elf_header = (Elf32_Ehdr*)m_file_data;
auto* elf_header = (ElfW(Ehdr)*)m_file_data;
if (!validate_elf_header(*elf_header, m_file_size))
return false;
if (!validate_program_headers(*elf_header, m_file_size, (u8*)m_file_data, m_file_size, &m_program_interpreter))