:: limine / common / lib / elf.h 2.3 KB raw

#ifndef LIB__ELF_H__

#define LIB__ELF_H__

​

#include <stdint.h>

#include <stdbool.h>

#include <lib/elsewhere.h>

#include <lib/misc.h>

​

#define FIXED_HIGHER_HALF_OFFSET_64 ((uint64_t)0xffffffff80000000)

​

#define ELF_PF_X 1

#define ELF_PF_W 2

#define ELF_PF_R 4

​

struct elf_section_hdr_info {

    uint32_t section_entry_size;

    uint32_t str_section_idx;

    uint32_t num;

    uint64_t section_offset;

};

​

int elf_bits(uint8_t *elf, size_t file_size);

​

struct elf_section_hdr_info elf64_section_hdr_info(uint8_t *elf, size_t file_size);

struct elf_section_hdr_info elf32_section_hdr_info(uint8_t *elf, size_t file_size);

​

bool elf64_load_section(uint8_t *elf, size_t file_size, void *buffer, const char *name, size_t limit, uint64_t slide);

bool elf64_load(uint8_t *elf, size_t file_size, uint64_t *entry_point, uint64_t *_slide, uint32_t alloc_type, bool kaslr, struct mem_range **ranges, uint64_t *ranges_count, uint64_t *physical_base, uint64_t *virtual_base, uint64_t *image_size, uint64_t *image_size_before_bss, bool *is_reloc);

​

bool elf32_load_elsewhere(uint8_t *elf, size_t file_size, uint64_t *entry_point,

                          struct elsewhere_range **ranges);

bool elf64_load_elsewhere(uint8_t *elf, size_t file_size, uint64_t *entry_point,

                          struct elsewhere_range **ranges);

​

struct elf64_hdr {

    uint8_t  ident[16];

    uint16_t type;

    uint16_t machine;

    uint32_t version;

    uint64_t entry;

    uint64_t phoff;

    uint64_t shoff;

    uint32_t flags;

    uint16_t hdr_size;

    uint16_t phdr_size;

    uint16_t ph_num;

    uint16_t shdr_size;

    uint16_t sh_num;

    uint16_t shstrndx;

};

​

struct elf64_shdr {

    uint32_t sh_name;

    uint32_t sh_type;

    uint64_t sh_flags;

    uint64_t sh_addr;

    uint64_t sh_offset;

    uint64_t sh_size;

    uint32_t sh_link;

    uint32_t sh_info;

    uint64_t sh_addralign;

    uint64_t sh_entsize;

};

​

struct elf32_shdr {

    uint32_t sh_name;

    uint32_t sh_type;

    uint32_t sh_flags;

    uint32_t sh_addr;

    uint32_t sh_offset;

    uint32_t sh_size;

    uint32_t sh_link;

    uint32_t sh_info;

    uint32_t sh_addralign;

    uint32_t sh_entsize;

};

​

struct elf64_sym {

    uint32_t st_name;

    uint8_t  st_info;

    uint8_t  st_other;

    uint16_t st_shndx;

    uint64_t st_value;

    uint64_t st_size;

};

​

#endif