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ELF

include/elf.h View source View on GitHub

Structs

Section titled “Structs”

elf64_ident

Section titled “elf64_ident”
struct elf64_ident (7 fields) source
§ uint32_t magic
§ uint8_t class
§ uint8_t data
§ uint8_t version
§ uint8_t os_abi
§ uint8_t abi_version
§ uint8_t pad[7]

elf64_ehdr

Section titled “elf64_ehdr”
struct elf64_ehdr (14 fields) source
§ struct elf64_ident ident
§ uint16_t type
§ uint16_t machine
§ uint32_t version
§ uint64_t entry
§ uint64_t phoff
§ uint64_t shoff
§ uint32_t flags
§ uint16_t ehsize
§ uint16_t phentsize
§ uint16_t phnum
§ uint16_t shentsize
§ uint16_t shnum
§ uint16_t shstrndx

elf64_phdr

Section titled “elf64_phdr”
struct elf64_phdr (8 fields) source
§ uint32_t type
§ uint32_t flags
§ uint64_t offset
§ uint64_t vaddr
§ uint64_t paddr
§ uint64_t filesz
§ uint64_t memsz
§ uint64_t align

Functions

Section titled “Functions”

elf_load

Section titled “elf_load”
uint64_t elf_load(const void *elf_data)
source

returns entry point

enter_userspace

Section titled “enter_userspace”
cc_noreturn void enter_userspace(
    uintptr_t entry_point,
    uintptr_t user_stack_top,
    uint16_t user_cs,
    uint16_t user_ss,
    uintptr_t user_pml4_phys
)
source

syscall_setup

Section titled “syscall_setup”
void syscall_setup(void *syscall_entry)
source

map_user_stack

Section titled “map_user_stack”
uintptr_t map_user_stack(uintptr_t user_pml4_phys)
source

elf_map

Section titled “elf_map”
void elf_map(uintptr_t user_pml4_phys, void *elf_data)
source

Macros

Section titled “Macros”

PT_LOAD

Section titled “PT_LOAD”
#define PT_LOAD 1
source

PF_X

Section titled “PF_X”
#define PF_X 0x1
source

PF_W

Section titled “PF_W”
#define PF_W 0x2
source

PF_R

Section titled “PF_R”
#define PF_R 0x4
source