import (
	"cmd/internal/sys"
	"cmd/link/internal/ld"
)

func Init() (*sys.Arch, ld.Arch) {
	theArch := ld.Arch{
		Funcalign: 16,
		Maxalign:  32,
		Minalign:  1,

		Archinit:      archinit,
		AssignAddress: assignAddress,
		Asmb:          asmb,
		Asmb2:         asmb2,
		Gentext:       gentext,
	}

	return sys.ArchWasm, theArch
}

func archinit(ctxt *ld.Link) {
	if *ld.FlagRound == -1 {
		*ld.FlagRound = 4096

	}
}

// assigns address for a text symbol, returns (possibly new) section, its number, and the address.
func assignAddress(ctxt *Link, sect *sym.Section, n int, s loader.Sym, va uint64, isTramp, big bool) (*sym.Section, int, uint64) {
	ldr := ctxt.loader
	if thearch.AssignAddress != nil {
		return thearch.AssignAddress(ldr, sect, n, s, va, isTramp)
	}

	ldr.SetSymSect(s, sect)
	if ldr.AttrSubSymbol(s) {

	"memchr":                  {Params: []byte{I32, I32, I32}, Results: []byte{I32}},      // s, c, len -> index
}

func assignAddress(ldr *loader.Loader, sect *sym.Section, n int, s loader.Sym, va uint64, isTramp bool) (*sym.Section, int, uint64) {
	// WebAssembly functions do not live in the same address space as the linear memory.

	// symbol in an executable, which is typical when internally
	// linking PIE binaries.
	TLSIEtoLE func(P []byte, off, size int)

	// optional override for assignAddress
	AssignAddress func(ldr *loader.Loader, sect *sym.Section, n int, s loader.Sym, va uint64, isTramp bool) (*sym.Section, int, uint64)

	// ELF specific information.
	ELF ELFArch
}

var (
	thearch Arch