oas/doc/object_format.md

Linker file format

struct object_file {
    uint64_t    magic;   // ".oo-bin"
    uint64_t    version; // 1
    uint64_t    architecture; // AMD64(0)
    uint64_t    offsets_offset;

    struct offsets {
        uint64_t strings;
        uint64_t sections;
        uint64_t symbols;
        uint64_t relocations;
    } offsets;

    struct string_table {
        uint64_t size;
        uint8_t data[static size];
    } strings;

    struct section_table {
        uint32_t count;
        struct section_entry {
            uint32_t name;
            uint64_t offset;
            uint64_t size_on_disk;
            uint64_t size_in_memory;
            uint64_t flags;
        } sections[static count];
    } sections;

    struct symbol_table {
        uint32_t count;
        struct symbol_entry {
            uint32_t name;
            uint8_t  kind;  // IMPORT(0) | EXPORT(1) | LOCAL(2)
            uint32_t section;
            uint64_t offset;
        } symbols[static count];
    } symbols;

    struct relocation_table {
        uint32_t count;
        struct relocation_entry {
            uint32_t section;
            uint64_t offset;
            uint8_t  size;
            uint32_t symbol;
            uint8_t  kind;  // ABSOLUTE(0) | RELATIVE(1)
        } relocations[static count];
    } relocations;
};