// 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 openbsd && !mips64

package runtime

import (
	"internal/abi"
	"unsafe"
)

// mstart_stub provides glue code to call mstart from pthread_create.
func mstart_stub()

// May run with m.p==nil, so write barriers are not allowed.
//
//go:nowritebarrierrec

// Copyright 2014 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 !arm && !arm64 && !mips64 && !mips64le && !mips && !mipsle && !wasm

package runtime

// careful: cputicks is not guaranteed to be monotonic! In particular, we have
// noticed drift between cpus on certain os/arch combinations. See issue 8976.

// Copyright 2018 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 aix || darwin || (openbsd && !mips64) || solaris

package poll

import (
	"syscall"
	_ "unsafe" // for go:linkname
)

//go:linkname writev syscall.writev

// Copyright 2009 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 && (386 || arm || loong64 || mips || mipsle || mips64 || mips64le || riscv64)

#include <pthread.h>
#include <string.h>
#include <signal.h>
#include "libcgo.h"
#include "libcgo_unix.h"

static void *threadentry(void*);

// Copyright 2023 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 armbe || arm64be || m68k || mips || mips64 || mips64p32 || ppc || ppc64 || s390 || s390x || shbe || sparc || sparc64

package cpu

// IsBigEndian records whether the GOARCH's byte order is big endian.

// 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

// HWCAP bits. These are exposed by the Linux kernel 5.4.
const (
	// CPU features
	hwcap_MIPS_MSA = 1 << 1
)

func doinit() {
	// HWCAP feature bits
	MIPS64X.HasMSA = isSet(hwCap, hwcap_MIPS_MSA)
}

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

//go:build 386 || (amd64 && !plan9) || s390x || arm || arm64 || loong64 || ppc64 || ppc64le || mips || mipsle || mips64 || mips64le || riscv64 || wasm

package bytealg

//go:noescape
func IndexByte(b []byte, c byte) int

//go:noescape

// 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 && (386 || amd64 || mips || mipsle || mips64 || mipsle || ppc64 || ppc64le || ppc || s390x || sparc64)

package unix

// SYS_ALARM is not defined on arm or riscv, but is available for other GOARCH
// values.

// Copyright 2019 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 mips64 || mips64le

package runtime

import "unsafe"

// Called from assembly only; declared for go vet.
func load_g()
func save_g()

//go:noescape
func asmcgocall_no_g(fn, arg unsafe.Pointer)

// Copyright 2011 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 openbsd && mips64

package runtime

import (
	"internal/abi"
	"internal/goarch"
	"unsafe"
)

//go:noescape
func tfork(param *tforkt, psize uintptr, mm *m, gg *g, fn uintptr) int32

// May run with m.p==nil, so write barriers are not allowed.
//