// s390x code that will overwrite this register.
//
// If !iscgo, this is a no-op.
//
// NOTE: setg_gcc<> assume this clobbers only R10 and R11.
TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
	MOVB	runtime·iscgo(SB),  R10
	CMPBEQ	R10, $0, nocgo
	MOVW	AR0, R11
	SLD	$32, R11
	MOVW	AR1, R11
	MOVD	runtime·tls_g(SB), R10
	MOVD	g, 0(R10)(R11*1)
nocgo:
	RET

	RET

// func Load(ptr *uint32) uint32
TEXT ·Load(SB),NOSPLIT|NOFRAME,$0-12
	MOV	ptr+0(FP), A0
	LRW	(A0), A0
	MOVW	A0, ret+8(FP)
	RET

// func Load8(ptr *uint8) uint8
TEXT ·Load8(SB),NOSPLIT|NOFRAME,$0-9
	MOV	ptr+0(FP), A0
	FENCE
	MOVBU	(A0), A1
	FENCE
	MOVB	A1, ret+8(FP)
	RET

// func Load64(ptr *uint64) uint64
TEXT ·Load64(SB),NOSPLIT|NOFRAME,$0-16
	MOV	ptr+0(FP), A0
	LRD	(A0), A0
	MOV	A0, ret+8(FP)

#include "textflag.h"

TEXT _rt0_arm_linux(SB),NOSPLIT|NOFRAME,$0
	MOVW	(R13), R0	// argc
	MOVW	$4(R13), R1		// argv
	MOVW	$_rt0_arm_linux1(SB), R4
	B		(R4)

// When building with -buildmode=c-shared, this symbol is called when the shared
// library is loaded.
TEXT _rt0_arm_linux_lib(SB),NOSPLIT,$0
	B	_rt0_arm_lib(SB)

TEXT _rt0_arm_linux1(SB),NOSPLIT|NOFRAME,$0
	// We first need to detect the kernel ABI, and warn the user

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

TEXT ·Compare<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-56
	// X10 = a_base
	// X11 = a_len
	// X12 = a_cap (unused)
	// X13 = b_base (want in X12)
	// X14 = b_len (want in X13)
	// X15 = b_cap (unused)
	MOV	X13, X12
	MOV	X14, X13
	JMP	compare<>(SB)

TEXT runtime·cmpstring<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-40
	// X10 = a_base
	// X11 = a_len
	// X12 = b_base
	// X13 = b_len

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

TEXT ·IndexByte(SB),NOSPLIT|NOFRAME,$0-40
	MOVD	b_base+0(FP), R3// b_base => R3
	MOVD	b_len+8(FP), R4 // b_len => R4
	MOVBZ	c+24(FP), R5    // c => R5
	MOVD	$ret+32(FP), R2 // &ret => R9
	BR	indexbytebody<>(SB)

TEXT ·IndexByteString(SB),NOSPLIT|NOFRAME,$0-32
	MOVD	s_base+0(FP), R3// s_base => R3
	MOVD	s_len+8(FP), R4 // s_len => R4

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

#include "textflag.h"
#include "cgo/abi_arm64.h"

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

// in the context that starts executing at sigresume.
TEXT runtime·sigresume(SB),NOSPLIT|NOFRAME,$0
	MOVQ	R8, SP
	JMP	R9

TEXT runtime·exceptiontramp(SB),NOSPLIT|NOFRAME,$0
	// PExceptionPointers already on CX
	MOVQ	$const_callbackVEH, DX
	JMP	sigtramp<>(SB)

TEXT runtime·firstcontinuetramp(SB),NOSPLIT|NOFRAME,$0-0
	// PExceptionPointers already on CX
	MOVQ	$const_callbackFirstVCH, DX
	JMP	sigtramp<>(SB)

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

#include "textflag.h"
#include "cgo/abi_loong64.h"

TEXT _rt0_loong64_linux(SB),NOSPLIT|NOFRAME,$0
	// In a statically linked binary, the stack contains argc,
	// argv as argc string pointers followed by a NULL, envv as a
	// sequence of string pointers followed by a NULL, and auxv.
	// There is no TLS base pointer.

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

#include "textflag.h"
#include "cgo/abi_arm64.h"

// On FreeBSD argc/argv are passed in R0, not RSP
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

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

TEXT ·Count<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-40
	// R3 = byte array pointer
	// R4 = length
	// R6 = byte to count
	MTVRD	R6, V1		// move compare byte
	MOVD	R6, R5
	VSPLTB	$7, V1, V1	// replicate byte across V1
	BR	countbytebody<>(SB)

TEXT ·CountString<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-32
	// R3 = byte array pointer
	// R4 = length
	// R5 = byte to count