46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2021, The Linux Foundation. All rights reserved.
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* Copyright (c) 2023 Rockchip Electronics Co., Ltd.
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*/
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#ifndef __ROCKCHIP_ELF_COMMON_H
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#define __ROCKCHIP_ELF_COMMON_H
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#include <linux/elf.h>
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/* Generic helpers for ELF use */
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/* Return first section header */
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static inline struct elf_shdr *elf_sheader(struct elfhdr *hdr)
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{
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return (struct elf_shdr *)((size_t)hdr + (size_t)hdr->e_shoff);
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}
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/* Return idx section header */
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static inline struct elf_shdr *elf_section(struct elfhdr *hdr, int idx)
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{
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return &elf_sheader(hdr)[idx];
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}
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/* Return first program header */
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static inline struct elf_phdr *elf_pheader(struct elfhdr *hdr)
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{
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return (struct elf_phdr *)((size_t)hdr + (size_t)hdr->e_phoff);
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}
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/* Return idx program header */
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static inline struct elf_phdr *elf_program(struct elfhdr *hdr, int idx)
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{
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return &elf_pheader(hdr)[idx];
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}
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/* Return section's string table header */
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static inline char *elf_str_table(struct elfhdr *hdr)
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{
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if (hdr->e_shstrndx == SHN_UNDEF)
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return NULL;
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return (char *)hdr + elf_section(hdr, hdr->e_shstrndx)->sh_offset;
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}
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#endif
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