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https://gitlab.com/bztsrc/posix-uefi.git
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47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
/*** ELF64 defines and structs ***/
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#define ELFMAG "\177ELF"
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#define SELFMAG 4
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#define EI_CLASS 4 /* File class byte index */
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#define ELFCLASS64 2 /* 64-bit objects */
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#define EI_DATA 5 /* Data encoding byte index */
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#define ELFDATA2LSB 1 /* 2's complement, little endian */
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#define ET_EXEC 2 /* Executable file */
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#define PT_LOAD 1 /* Loadable program segment */
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#ifdef __x86_64__
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#define EM_MACH 62 /* AMD x86-64 architecture */
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#endif
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#ifdef __aarch64__
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#define EM_MACH 183 /* ARM aarch64 architecture */
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#endif
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typedef struct
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{
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uint8_t e_ident[16]; /* Magic number and other info */
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uint16_t e_type; /* Object file type */
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uint16_t e_machine; /* Architecture */
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uint32_t e_version; /* Object file version */
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uint64_t e_entry; /* Entry point virtual address */
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uint64_t e_phoff; /* Program header table file offset */
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uint64_t e_shoff; /* Section header table file offset */
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uint32_t e_flags; /* Processor-specific flags */
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uint16_t e_ehsize; /* ELF header size in bytes */
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uint16_t e_phentsize; /* Program header table entry size */
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uint16_t e_phnum; /* Program header table entry count */
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uint16_t e_shentsize; /* Section header table entry size */
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uint16_t e_shnum; /* Section header table entry count */
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uint16_t e_shstrndx; /* Section header string table index */
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} Elf64_Ehdr;
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typedef struct
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{
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uint32_t p_type; /* Segment type */
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uint32_t p_flags; /* Segment flags */
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uint64_t p_offset; /* Segment file offset */
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uint64_t p_vaddr; /* Segment virtual address */
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uint64_t p_paddr; /* Segment physical address */
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uint64_t p_filesz; /* Segment size in file */
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uint64_t p_memsz; /* Segment size in memory */
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uint64_t p_align; /* Segment alignment */
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} Elf64_Phdr;
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