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

//go:build ppc64le || ppc64

package runtime

import "unsafe"

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

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

TEXT _rt0_arm64_linux(SB),NOSPLIT|NOFRAME,$0
	MOVD	0(RSP), R0	// argc
	ADD	$8, RSP, R1	// argv
	BL	main(SB)

// When building with -buildmode=c-shared, this symbol is called when the shared
// library is loaded.
TEXT _rt0_arm64_linux_lib(SB),NOSPLIT,$184
	// Preserve callee-save registers.
	SAVE_R19_TO_R28(24)
	SAVE_F8_TO_F15(104)

	// Initialize g as null in case of using g later e.g. sigaction in cgo_sigaction.go
	MOVD	ZR, g

// mcache and mspan objects.
//
// Memory returned by fixalloc.alloc is zeroed by default, but the
// caller may take responsibility for zeroing allocations by setting
// the zero flag to false. This is only safe if the memory never
// contains heap pointers.
//
// The caller is responsible for locking around FixAlloc calls.
// Callers can keep state in the object but the first word is

	note := &q.data[q.ri]
	item := string(note.s[:note.n])
	q.ri++
	if q.ri == qsize {
		q.ri = 0
	}
	unlock(&q.lock)
	return item
}

// Called from sighandler to send a signal back out of the signal handling thread.
// Reports whether the signal was sent. If not, the caller typically crashes the program.
func sendNote(s *byte) bool {
	if !sig.inuse {
		return false
	}

	// Add signal to outgoing queue.

TEXT _rt0_arm64_freebsd(SB),NOSPLIT|NOFRAME,$0
	ADD	$8, R0, R1	// argv
	MOVD	0(R0), R0	// argc
	BL	main(SB)

// When building with -buildmode=c-shared, this symbol is called when the shared
// library is loaded.
TEXT _rt0_arm64_freebsd_lib(SB),NOSPLIT,$184
	// Preserve callee-save registers.
	SAVE_R19_TO_R28(24)
	SAVE_F8_TO_F15(104)

	// Initialize g as null in case of using g later e.g. sigaction in cgo_sigaction.go
	MOVD	ZR, g

// stackcheck checks that SP is in range [g->stack.lo, g->stack.hi).
func stackcheck()

// Called from assembly only; declared for go vet.
func setldt(slot uintptr, base unsafe.Pointer, size uintptr)
func emptyfunc()

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

// getfp returns the frame pointer register of its caller or 0 if not implemented.
// TODO: Make this a compiler intrinsic

// 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.

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)

func emptyfunc()

// Used by reflectcall and the reflect package.
//

// 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.

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)

// Used by reflectcall and the reflect package.
//

TEXT _rt0_arm64_netbsd(SB),NOSPLIT|NOFRAME,$0
	MOVD	0(RSP), R0	// argc
	ADD	$8, RSP, R1	// argv
	BL	main(SB)

// When building with -buildmode=c-shared, this symbol is called when the shared
// library is loaded.
TEXT _rt0_arm64_netbsd_lib(SB),NOSPLIT,$184
	// Preserve callee-save registers.
	SAVE_R19_TO_R28(24)
	SAVE_F8_TO_F15(104)

	// Initialize g as null in case of using g later e.g. sigaction in cgo_sigaction.go
	MOVD	ZR, g

// There is only one additional file: calling SetCrashOutput again overrides
// any earlier call.
// SetCrashOutput duplicates f's file descriptor, so the caller may safely
// close f as soon as SetCrashOutput returns.
// To disable this additional crash output, call SetCrashOutput(nil).
// If called concurrently with a crash, some in-progress output may be written
// to the old file even after an overriding SetCrashOutput returns.