tools/perf/util/genelf.c

File Facts

System

Linux kernel

Corpus path

tools/perf/util/genelf.c

Extension

.c

Size

10204 bytes

Lines

472

Domain

Support Tooling And Documentation

Bucket

tools

Inferred role

Support Tooling And Documentation: implementation source

Status

source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

• Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• sys/types.h
• stddef.h
• libelf.h
• string.h
• stdlib.h
• inttypes.h
• err.h
• dwarf.h
• blake2s.h
• genelf.h
• ../util/jitdump.h
• linux/compiler.h

Detected Declarations

• function jit_add_eh_frame_info
• function blake2s_update_tagged
• function jit_write_elf

Annotated Snippet

if (elf_update(e, ELF_C_WRITE) < 0) {
			warnx("elf_update 4 failed");
			goto error;
		}
	}

	retval = 0;
error:
	(void)elf_end(e);

	free(strsym);

	return retval;
}

Annotation

• Immediate include surface: `sys/types.h`, `stddef.h`, `libelf.h`, `string.h`, `stdlib.h`, `inttypes.h`, `err.h`, `dwarf.h`.
• Detected declarations: `function jit_add_eh_frame_info`, `function blake2s_update_tagged`, `function jit_write_elf`.
• Atlas domain: Support Tooling And Documentation / tools.
• Implementation status: source implementation candidate.

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.