v2.gen.x64

fn CoffObject.new() &CoffObject

fn ElfObject.new() &ElfObject

fn Gen.new(mod &mir.Module) &Gen

fn Gen.new_with_format(mod &mir.Module, obj_format ObjectFormat) &Gen

fn Gen.new_with_format_and_abi(mod &mir.Module, obj_format ObjectFormat, abi X64Abi) &Gen

fn MachOObject.new() &MachOObject

fn ObjectFormat.from[W](input W) !ObjectFormat

fn ObjectSection.from[W](input W) !ObjectSection

fn PeLinker.new(coff &CoffObject) &PeLinker

fn X64Abi.from[W](input W) !X64Abi

enum ObjectFormat {
	elf
	macho
	coff
}

enum X64Abi {
	sysv
	windows
}

struct CoffObject {
pub mut:
	text_data []u8
	data_data []u8
	rodata    []u8

	symbols     []CoffSymbol
	str_table   []u8
	sym_by_name map[string]int

	text_relocs []CoffRelocation
}

fn (mut c CoffObject) add_symbol(name string, value u64, is_func bool, section u8) int

fn (mut c CoffObject) add_undefined(name string) int

fn (mut c CoffObject) add_text_reloc(offset int, sym_idx int, type_ u16)

fn (mut c CoffObject) write(path string)

struct ElfObject {
pub mut:
	text_data []u8
	data_data []u8
	rodata    []u8

	// Symbol Table
	symbols   []ElfSymbol
	str_table []u8

	// Relocations
	text_relocs []ElfRela

	// Section Names
	shstr_table []u8
}

fn (mut e ElfObject) add_symbol(name string, value u64, is_func bool, shndx u16) int

fn (mut e ElfObject) add_undefined(name string) int

fn (mut e ElfObject) add_text_reloc(offset u64, sym_idx int, type_ int, addend i64)

fn (mut e ElfObject) write(path string)

struct Gen {
	mod &mir.Module
mut:
	elf        &ElfObject
	macho      &MachOObject
	coff       &CoffObject
	obj_format ObjectFormat
	abi        X64Abi

	stack_map      map[int]int
	alloca_offsets map[int]int
	stack_size     int
	curr_offset    int

	block_offsets  map[int]int
	pending_labels map[int][]int

	// Register allocation
	reg_map   map[int]int
	used_regs []int

	cur_func_ret_type         int
	cur_func_abi_ret_indirect bool
	sret_save_offset          int
}

fn (mut g Gen) gen()

fn (mut g Gen) link_executable(path string) !

fn (mut g Gen) write_file(path string)

struct MachOObject {
pub mut:
	text_data []u8
	data_data []u8
	rodata    []u8

	relocs      []MachORelocationInfo
	symbols     []MachOSymbol
	str_table   []u8
	sym_by_name map[string]int
}

fn (mut m MachOObject) add_symbol(name string, value u64, is_ext bool, sect u8) int

fn (mut m MachOObject) add_undefined(name string) int

fn (mut m MachOObject) add_reloc(addr int, sym_idx int, typ int, pcrel bool, length int)

fn (mut m MachOObject) write(path string)

struct PeLinker {
	coff &CoffObject
mut:
	imports []PeImport
}

fn (mut l PeLinker) write(path string) !

fn (mut l PeLinker) image() ![]u8