diff options
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/include/arch/memory/multiboot.hpp | 8 | ||||
| -rw-r--r-- | arch/x86_64/src/kernel/main.cpp | 23 |
2 files changed, 28 insertions, 3 deletions
diff --git a/arch/x86_64/include/arch/memory/multiboot.hpp b/arch/x86_64/include/arch/memory/multiboot.hpp index 3aee7fc..35b483e 100644 --- a/arch/x86_64/include/arch/memory/multiboot.hpp +++ b/arch/x86_64/include/arch/memory/multiboot.hpp @@ -147,7 +147,7 @@ namespace teachos::arch::memory /** * @brief (SHF_WRITE) Wether the current section is writable at runtime or not. If it isn't then the section is - * assumed to be READONLY and only that behaviour is shown in the objdump -h of the kernel file. Read from bit index + * assumed to be READONLY and only that flag is shown in the objdump -h of the kernel file. Read from bit index * 0. * * @return Current section is writable. @@ -155,14 +155,16 @@ namespace teachos::arch::memory auto writeable() const -> bool; /** - * @brief (SHF_ALLOC) Whether the current section occupies memory during execution or not. Read from bit index 1. + * @brief (SHF_ALLOC) Whether the current section occupies memory during execution or not. ALLOC flag is shown in + * the objdump -h of the kernel file. Read from bit index 1. * * @return Current section occupies memory during execution. */ auto occupies_memory() const -> bool; /** - * @brief (SHF_EXECINSTR) Whether the current section is executable or not. Read from bit index 2. + * @brief (SHF_EXECINSTR) Whether the current section is executable or not. CODE flag is shown in the object dump. + * Read from bit index 2. * * @return Current section is executable. */ diff --git a/arch/x86_64/src/kernel/main.cpp b/arch/x86_64/src/kernel/main.cpp index 106ca2a..bdf530c 100644 --- a/arch/x86_64/src/kernel/main.cpp +++ b/arch/x86_64/src/kernel/main.cpp @@ -63,6 +63,29 @@ namespace teachos::arch::kernel for (auto section = begin; section != end; ++section) { + bool const writeable = section->flags.writeable(); + bool const occupies_memory = section->flags.occupies_memory(); + bool const is_executable = section->flags.is_executable(); + bool const contains_duplicate_data = section->flags.contains_duplicate_data(); + bool const contains_strings = section->flags.contains_strings(); + bool const section_header_info_is_section_header_table_index = + section->flags.section_header_info_is_section_header_table_index(); + bool const preserve_ordering_after_combination = section->flags.preserve_ordering_after_combination(); + bool const requires_special_os_processing = section->flags.requires_special_os_processing(); + bool const is_section_group_member = section->flags.is_section_group_member(); + bool const holds_thread_local_data = section->flags.holds_thread_local_data(); + bool const is_compressed = section->flags.is_compressed(); + bool const has_special_ordering_requirements = section->flags.has_special_ordering_requirements(); + bool const is_excluded_unless_referenced_or_allocated = + section->flags.is_excluded_unless_referenced_or_allocated(); + + if (writeable && occupies_memory && is_executable && contains_duplicate_data && contains_strings && + section_header_info_is_section_header_table_index && preserve_ordering_after_combination && + requires_special_os_processing && is_section_group_member && holds_thread_local_data && is_compressed && + has_special_ordering_requirements && is_excluded_unless_referenced_or_allocated) + { + } + switch (section->type) { case arch::memory::elf_section_type::PROGRAMM: { |