// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build !386 && !amd64 && !amd64p32 && !arm64

package cpu

func archInit() {
	if err := readHWCAP(); err != nil {
		return
	}
	doinit()
	Initialized = true

		Dwarfreglr: dwarfRegLR,
		// 0xCC is INT $3 - breakpoint instruction
		CodePad: []byte{0xCC},

		Plan9Magic:  uint32(4*26*26 + 7),
		Plan9_64Bit: true,

		Adddynrel:        adddynrel,
		Archinit:         archinit,
		Archreloc:        archreloc,
		Archrelocvariant: archrelocvariant,
		Gentext:          gentext,
		Machoreloc1:      machoreloc1,
		MachorelocSize:   8,
		PEreloc1:         pereloc1,

		Minalign:   minAlign,
		Dwarfregsp: dwarfRegSP,
		Dwarfreglr: dwarfRegLR,
		TrampLimit: 0x7c00000, // 26-bit signed offset * 4, leave room for PLT etc.

		Adddynrel:        adddynrel,
		Archinit:         archinit,
		Archreloc:        archreloc,
		Archrelocvariant: archrelocvariant,
		Extreloc:         extreloc,
		Gentext:          gentext,
		GenSymsLate:      gensymlate,
		Machoreloc1:      machoreloc1,

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build !linux && riscv64

package cpu

func archInit() {
	Initialized = true

// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build !linux && arm

package cpu

// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build !linux && (mips64 || mips64le)

package cpu

func archInit() {
	Initialized = true

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build !aix && !linux && (ppc64 || ppc64le)

package cpu

func archInit() {
	PPC64.IsPOWER8 = true
	Initialized = true

// Make CacheLinePad an empty struct and hope that the usual struct alignment
// rules are good enough.

const cacheLineSize = 0

func initOptions() {}

// license that can be found in the LICENSE file.

//go:build aix

package cpu

const (
	// getsystemcfg constants
	_SC_IMPL     = 2
	_IMPL_POWER8 = 0x10000
	_IMPL_POWER9 = 0x20000
)

func archInit() {
	impl := getsystemcfg(_SC_IMPL)
	if impl&_IMPL_POWER8 != 0 {
		PPC64.IsPOWER8 = true
	}
	if impl&_IMPL_POWER9 != 0 {
		PPC64.IsPOWER8 = true
		PPC64.IsPOWER9 = true
	}

	Initialized = true
}

//
// Then control flow passes to ld.Main, which parses flags, makes
// some configuration decisions, and then gives the architecture
// packages a second chance to modify the linker's configuration
// via the ld.Arch.Archinit function.

func main() {
	var arch *sys.Arch
	var theArch ld.Arch

	buildcfg.Check()
	switch buildcfg.GOARCH {
	default:
		fmt.Fprintf(os.Stderr, "link: unknown architecture %q\n", buildcfg.GOARCH)