Initial commit: Go 1.23 release state

src/syscall/asm_freebsd_arm64.s

@@ -0,0 +1,128 @@
+// 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.
+
+#include "textflag.h"
+
+//
+// System call support for ARM64, FreeBSD
+//
+
+#define SYS_syscall	0
+
+// func Syscall(trap uintptr, a1, a2, a3 uintptr) (r1, r2, err uintptr)
+TEXT ·Syscall(SB),NOSPLIT,$0-56
+	BL	runtime·entersyscall<ABIInternal>(SB)
+	MOVD	trap+0(FP), R8	// syscall entry
+	MOVD	a1+8(FP), R0
+	MOVD	a2+16(FP), R1
+	MOVD	a3+24(FP), R2
+	SVC	$SYS_syscall
+	BCC	ok
+	MOVD	$-1, R1
+	MOVD	R1, r1+32(FP)
+	MOVD	ZR, r2+40(FP)
+	MOVD	R0, err+48(FP)
+	BL	runtime·exitsyscall<ABIInternal>(SB)
+	RET
+ok:
+	MOVD	R0, r1+32(FP)
+	MOVD	R1, r2+40(FP)
+	MOVD	ZR, err+48(FP)
+	BL	runtime·exitsyscall<ABIInternal>(SB)
+	RET
+
+// func RawSyscall(trap uintptr, a1, a2, a3 uintptr) (r1, r2, err uintptr)
+TEXT ·RawSyscall(SB),NOSPLIT,$0-56
+	MOVD	trap+0(FP), R8	// syscall entry
+	MOVD	a1+8(FP), R0
+	MOVD	a2+16(FP), R1
+	MOVD	a3+24(FP), R2
+	SVC	$SYS_syscall
+	BCC	ok
+	MOVD	$-1, R1
+	MOVD	R1, r1+32(FP)
+	MOVD	ZR, r2+40(FP)
+	MOVD	R0, err+48(FP)
+	RET
+ok:
+	MOVD	R0, r1+32(FP)
+	MOVD	R1, r2+40(FP)
+	MOVD	ZR, err+48(FP)
+	RET
+
+// func Syscall6(trap uintptr, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr)
+TEXT ·Syscall6(SB),NOSPLIT,$0-80
+	BL	runtime·entersyscall<ABIInternal>(SB)
+	MOVD	trap+0(FP), R8	// syscall entry
+	MOVD	a1+8(FP), R0
+	MOVD	a2+16(FP), R1
+	MOVD	a3+24(FP), R2
+	MOVD	a4+32(FP), R3
+	MOVD	a5+40(FP), R4
+	MOVD	a6+48(FP), R5
+	SVC	$SYS_syscall
+	BCC	ok
+	MOVD	$-1, R1
+	MOVD	R1, r1+56(FP)
+	MOVD	ZR, r2+64(FP)
+	MOVD	R0, err+72(FP)
+	BL	runtime·exitsyscall<ABIInternal>(SB)
+	RET
+ok:
+	MOVD	R0, r1+56(FP)
+	MOVD	R1, r2+64(FP)
+	MOVD	ZR, err+72(FP)
+	BL	runtime·exitsyscall<ABIInternal>(SB)
+	RET
+
+// func RawSyscall6(trap uintptr, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr)
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
+	MOVD	trap+0(FP), R8	// syscall entry
+	MOVD	a1+8(FP), R0
+	MOVD	a2+16(FP), R1
+	MOVD	a3+24(FP), R2
+	MOVD	a4+32(FP), R3
+	MOVD	a5+40(FP), R4
+	MOVD	a6+48(FP), R5
+	SVC	$SYS_syscall
+	BCC	ok
+	MOVD	$-1, R1
+	MOVD	R1, r1+56(FP)
+	MOVD	ZR, r2+64(FP)
+	MOVD	R0, err+72(FP)
+	RET
+ok:
+	MOVD	R0, r1+56(FP)
+	MOVD	R1, r2+64(FP)
+	MOVD	ZR, err+72(FP)
+	RET
+
+// Actually Syscall7
+// func Syscall9(num uintptr, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2, err uintptr)
+TEXT ·Syscall9(SB),NOSPLIT,$0-104
+	BL	runtime·entersyscall<ABIInternal>(SB)
+	MOVD	num+0(FP), R8	// syscall entry
+	MOVD	a1+8(FP), R0
+	MOVD	a2+16(FP), R1
+	MOVD	a3+24(FP), R2
+	MOVD	a4+32(FP), R3
+	MOVD	a5+40(FP), R4
+	MOVD	a6+48(FP), R5
+	MOVD	a7+56(FP), R6
+	// MOVD	a8+64(FP), R7
+	// MOVD	a9+72(FP), R8
+	SVC	$SYS_syscall
+	BCC	ok
+	MOVD	$-1, R1
+	MOVD	R1, r1+80(FP)
+	MOVD	ZR, r2+88(FP)
+	MOVD	R0, err+96(FP)
+	BL	runtime·exitsyscall<ABIInternal>(SB)
+	RET
+ok:
+	MOVD	R0, r1+80(FP)
+	MOVD	R1, r2+88(FP)
+	MOVD	ZR, err+96(FP)
+	BL	runtime·exitsyscall<ABIInternal>(SB)
+	RET