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📄 asm_linux_386.s(861 B)
📄 asm_linux_amd64.s(1.11 KB)
📄 asm_linux_arm.s(696 B)
📄 asm_linux_arm64.s(645 B)
📄 asm_linux_loong64.s(1.5 KB)
📄 asm_linux_mips64x.s(724 B)
📄 asm_linux_mipsx.s(876 B)
📄 asm_linux_ppc64x.s(702 B)
📄 asm_linux_riscv64.s(969 B)
📄 asm_linux_s390x.s(663 B)
📄 defs_linux_386.go(614 B)
📄 defs_linux_amd64.go(617 B)
📄 defs_linux_arm.go(629 B)
📄 defs_linux_arm64.go(626 B)
📄 defs_linux_loong64.go(639 B)
📄 defs_linux_mips64x.go(690 B)
📄 defs_linux_mipsx.go(664 B)
📄 defs_linux_ppc64x.go(682 B)
📄 defs_linux_riscv64.go(639 B)
📄 defs_linux_s390x.go(642 B)
📄 syscall_linux.go(2.21 KB)
📄 syscall_linux_test.go(423 B)

Editing: asm_linux_loong64.s

// 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.

#include "textflag.h"

// func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
//
// We need to convert to the syscall ABI.
//
// arg | ABIInternal | Syscall
// ---------------------------
// num | R4          | R11
// a1  | R5          | R4
// a2  | R6          | R5
// a3  | R7          | R6
// a4  | R8          | R7
// a5  | R9          | R8
// a6  | R10         | R9
//
// r1  | R4          | R4
// r2  | R5          | R5
// err | R6          | part of R4
TEXT ·Syscall6<ABIInternal>(SB),NOSPLIT,$0-80
#ifdef GOEXPERIMENT_regabiargs
	MOVV	R4, R11  // syscall entry
	MOVV	R5, R4
	MOVV	R6, R5
	MOVV	R7, R6
	MOVV	R8, R7
	MOVV	R9, R8
	MOVV	R10, R9
#else
	MOVV	num+0(FP), R11  // syscall entry
	MOVV	a1+8(FP), R4
	MOVV	a2+16(FP), R5
	MOVV	a3+24(FP), R6
	MOVV	a4+32(FP), R7
	MOVV	a5+40(FP), R8
	MOVV	a6+48(FP), R9
#endif
	SYSCALL
#ifdef GOEXPERIMENT_regabiargs
	MOVV	R0, R5      // r2 is not used. Always set to 0.
	MOVW	$-4096, R12
	BGEU	R12, R4, ok
	SUBVU	R4, R0, R6  // errno
	MOVV	$-1, R4     // r1
#else
	MOVW	$-4096, R12
	BGEU	R12, R4, ok
	MOVV	$-1, R12
	MOVV	R12, r1+56(FP)
	MOVV	R0, r2+64(FP)
	SUBVU	R4, R0, R4
	MOVV	R4, errno+72(FP)
#endif
	RET
ok:
#ifdef GOEXPERIMENT_regabiargs
	// r1 already in R4
	MOVV	R0, R6     // errno
#else
	MOVV	R4, r1+56(FP)
	MOVV	R0, r2+64(FP)	// r2 is not used. Always set to 0.
	MOVV	R0, errno+72(FP)
#endif
	RET

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Editing: asm_linux_loong64.s

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