arch/mips/boot/tools/relocs_64.c

Source file repositories/reference/linux-study-clean/arch/mips/boot/tools/relocs_64.c

File Facts

System
Linux kernel
Corpus path
arch/mips/boot/tools/relocs_64.c
Extension
.c
Size
947 bytes
Lines
32
Domain
Architecture Layer
Bucket
arch/mips
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
#include "relocs.h"

#define ELF_BITS 64

#define ELF_MACHINE             EM_MIPS
#define ELF_MACHINE_NAME        "MIPS64"
#define SHT_REL_TYPE            SHT_RELA
#define Elf_Rel                 Elf64_Rela

typedef uint8_t Elf64_Byte;

typedef union {
	struct {
		Elf64_Word r_sym;	/* Symbol index.  */
		Elf64_Byte r_ssym;	/* Special symbol.  */
		Elf64_Byte r_type3;	/* Third relocation.  */
		Elf64_Byte r_type2;	/* Second relocation.  */
		Elf64_Byte r_type;	/* First relocation.  */
	} fields;
	Elf64_Xword unused;
} Elf64_Mips_Rela;

#define ELF_CLASS               ELFCLASS64
#define ELF_R_SYM(val)          (((Elf64_Mips_Rela *)(&val))->fields.r_sym)
#define ELF_R_TYPE(val)         (((Elf64_Mips_Rela *)(&val))->fields.r_type)
#define ELF_ST_TYPE(o)          ELF64_ST_TYPE(o)
#define ELF_ST_BIND(o)          ELF64_ST_BIND(o)
#define ELF_ST_VISIBILITY(o)    ELF64_ST_VISIBILITY(o)

#include "relocs.c"

Annotation

Implementation Notes