tiny.tldr.loadExecutable

1pub fn loadExecutable(2    allocator: std.mem.Allocator,3    inputs: []const model.Input,4    options: model.LinkOptions,5) LoadError!LoadedImage {6    if (builtin.cpu.arch != .x86_64) return error.UnsupportedArchitecture;78    var probe_options = loadOptions(options);9    probe_options.image_base = 0;10    var probe = try linker.link(allocator, inputs, probe_options);11    defer probe.deinit(allocator);1213    const probe_span = try imageSpan(probe.bytes);14    const memory_len = try probe_span.byteCount();15    const mapping = try memory.reserveAddressSpace(memory_len);16    errdefer memory.unmap(mapping);1718    var mapped_options = loadOptions(options);19    const mapping_address: u64 = @intCast(@intFromPtr(mapping.ptr));20    if (mapping_address < probe_span.start) return error.InvalidRange;21    mapped_options.image_base = mapping_address - probe_span.start;2223    var linked = try linker.link(allocator, inputs, mapped_options);24    defer linked.deinit(allocator);2526    const mapped_span = try imageSpan(linked.bytes);27    if (mapped_span.start != mapping_address) return error.InvalidRange;28    if (try mapped_span.byteCount() > mapping.len) return error.InvalidRange;2930    try memory.protect(mapping, .{ .read = true, .write = true });31    @memset(mapping, 0);32    try copyLoadSegments(mapping, linked.bytes, mapped_span);33    try protectLoadSegments(mapping, linked.bytes, mapped_span);3435    const entry_address = try entryAddress(linked.bytes, mapped_span);36    return .{37        .memory = mapping,38        .entry_address = entry_address,39    };40}

1pub const loadExecutable = loader.loadExecutable;