fs/binfmt_elf.c

File Facts

System

Linux kernel

Corpus path

fs/binfmt_elf.c

Extension

.c

Size

58543 bytes

Lines

2148

Domain

Core OS

Bucket

VFS And Filesystem Core

Inferred role

Core OS: exported/initcall integration point

Status

integration implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

• Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.
• Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
• Touches user memory; correctness depends on fault-safe copying and privilege boundary handling.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Allocates kernel memory; connect allocation flags and lifetime to context constraints.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/module.h
• linux/kernel.h
• linux/fs.h
• linux/log2.h
• linux/mm.h
• linux/mman.h
• linux/errno.h
• linux/signal.h
• linux/binfmts.h
• linux/string.h
• linux/file.h
• linux/slab.h
• linux/personality.h
• linux/elfcore.h
• linux/init.h
• linux/highuid.h
• linux/compiler.h
• linux/highmem.h
• linux/hugetlb.h
• linux/pagemap.h
• linux/vmalloc.h
• linux/security.h
• linux/random.h
• linux/elf.h
• linux/elf-randomize.h
• linux/utsname.h
• linux/coredump.h
• linux/sched.h
• linux/sched/coredump.h
• linux/sched/task_stack.h
• linux/sched/cputime.h
• linux/sizes.h

Detected Declarations

• struct arch_elf_state
• struct memelfnote
• struct elf_thread_core_info
• struct elf_note_info
• function elf_coredump_set_mm_eflags
• function elf_coredump_get_mm_eflags
• function ends
• function ELF_BASE_PLATFORM
• function elf_map
• function ELF
• function elf_load
• function total_mapping_size
• function elf_read
• function maximum_alignment
• function load_elf_phdrs
• function arch_elf_pt_proc
• function arch_check_elf
• function make_prot
• function load_elf_interp
• function parse_elf_property
• function parse_elf_properties
• function load_elf_binary
• function loader
• function address
• function directly
• function notesize
• function writenote
• function fill_elf_header
• function fill_elf_note_phdr
• function __fill_note
• function fill_prstatus
• function fill_psinfo
• function fill_auxv_note
• function fill_siginfo_note
• function fill_files_note
• function do_thread_regset_writeback
• function fill_thread_core_info
• function fill_thread_core_info
• function fill_note_info
• function unlikely
• function write_note_info
• function free_note_info
• function fill_extnum_info
• function elf_core_dump
• function init_elf_binfmt
• function exit_elf_binfmt
• module init init_elf_binfmt

Annotated Snippet

core_initcall(init_elf_binfmt);
module_exit(exit_elf_binfmt);

#ifdef CONFIG_BINFMT_ELF_KUNIT_TEST
#include "tests/binfmt_elf_kunit.c"
#endif

Annotation

• Immediate include surface: `linux/module.h`, `linux/kernel.h`, `linux/fs.h`, `linux/log2.h`, `linux/mm.h`, `linux/mman.h`, `linux/errno.h`, `linux/signal.h`.
• Detected declarations: `struct arch_elf_state`, `struct memelfnote`, `struct elf_thread_core_info`, `struct elf_note_info`, `function elf_coredump_set_mm_eflags`, `function elf_coredump_get_mm_eflags`, `function ends`, `function ELF_BASE_PLATFORM`, `function elf_map`, `function ELF`.
• Atlas domain: Core OS / VFS And Filesystem Core.
• Implementation status: integration implementation candidate.
• This snippet crosses the user/kernel memory boundary; validate fault handling and access checks before translating the pattern.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.