// Copyright 2013 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 !purego

// SHA256 block routine. See sha256block.go for Go equivalent.
//
// The algorithm is detailed in FIPS 180-4:
//
//  https://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf
//
// Wt = Mt; for 0 <= t <= 15

// Copyright 2013 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.
//
// ARM version of md5block.go

//go:build !purego

#include "textflag.h"

// Register definitions
#define Rtable	R0	// Pointer to MD5 constants table
#define Rdata	R1	// Pointer to data to hash
#define Ra	R2	// MD5 accumulator
#define Rb	R3	// MD5 accumulator

// Copyright 2012 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.
//
// System calls and other sys.stuff for ARM, FreeBSD
// /usr/src/sys/kern/syscalls.master for syscall numbers.
//

#include "go_asm.h"
#include "go_tls.h"
#include "textflag.h"

// for EABI, as we don't support OABI
#define SYS_BASE 0x0

#define SYS_exit (SYS_BASE + 1)

// Copyright 2013 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 race

#include "go_asm.h"
#include "go_tls.h"
#include "funcdata.h"
#include "textflag.h"
#include "cgo/abi_amd64.h"

// The following thunks allow calling the gcc-compiled race runtime directly
// from Go code without going all the way through cgo.

// Copyright 2015 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)

//
// System calls and other sys.stuff for mips64, Linux
//

#include "go_asm.h"
#include "go_tls.h"
#include "textflag.h"

#define AT_FDCWD -100

#define SYS_exit		5058
#define SYS_read		5000
#define SYS_write		5001

// Copyright 2015 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

#include "go_asm.h"
#include "go_tls.h"
#include "funcdata.h"
#include "textflag.h"

#define	REGCTXT	R22

TEXT runtime·rt0_go(SB),NOSPLIT|TOPFRAME,$0
	// R29 = stack; R4 = argc; R5 = argv

	ADDV	$-24, R29
	MOVW	R4, 8(R29) // argc

// Copyright 2010 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.

#include "textflag.h"

// The method is based on a paper by Naoki Shibata: "Efficient evaluation
// methods of elementary functions suitable for SIMD computation", Proc.
// of International Supercomputing Conference 2010 (ISC'10), pp. 25 -- 32
// (May 2010). The paper is available at

// Copyright 2010 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.

#include "textflag.h"

TEXT _rt0_386_plan9(SB),NOSPLIT,$12
	MOVL	AX, _tos(SB)
	LEAL	8(SP), AX
	MOVL	AX, _privates(SB)
	MOVL	$1, _nprivates(SB)
	CALL	runtime·asminit(SB)
	MOVL	inargc-4(FP), AX
	MOVL	AX, 0(SP)
	LEAL	inargv+0(FP), AX
	MOVL	AX, 4(SP)
	JMP	runtime·rt0_go(SB)

// Copyright 2013 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.

#include "textflag.h"

//
// System call support for ARM, OpenBSD
//

// Provide these function names via assembly so they are provided as ABI0,
// rather than ABIInternal.

// func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall(SB),NOSPLIT,$0-28

// Copyright 2010 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.

#include "textflag.h"

#define PosInf 0x7FF0000000000000
#define NaN 0x7FF8000000000001

// func archHypot(p, q float64) float64
TEXT ·archHypot(SB),NOSPLIT,$0
	// test bits for special cases
	MOVQ    p+0(FP), BX
	MOVQ    $~(1<<63), AX
	ANDQ    AX, BX // p = |p|
	MOVQ    q+8(FP), CX