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internal/runtime/syscall: rename to internal/runtime/syscall/linux

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All code in internal/runtime/syscall is Linux-specific, so better
move it to a new linux sub-directory. This way it will be easier
to factor out runtime syscall code from other platforms, e.g.
Windows.

Updates #51087.

Change-Id: Idd2a52444b33bf3ad576b47fd232e990cdc8ae75
Reviewed-on: https://go-review.googlesource.com/c/go/+/689155
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
qmuntal 2025-07-21 10:39:28 +02:00 • committed by Quim Muntal
parent 592c2db868
commit 5c45fe1385
33 changed files with 70 additions and 71 deletions
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30
src/internal/runtime/syscall/linux/asm_linux_mips64x.s Normal file
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// 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.
//go:build linux && (mips64 || mips64le)
#include "textflag.h"
// func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
MOVV num+0(FP), R2 // 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
MOVV R0, R3 // reset R3 to 0 as 1-ret SYSCALL keeps it
SYSCALL
BEQ R7, ok
MOVV $-1, R1
MOVV R1, r1+56(FP)
MOVV R0, r2+64(FP)
MOVV R2, errno+72(FP)
RET
ok:
MOVV R2, r1+56(FP)
MOVV R3, r2+64(FP)
MOVV R0, errno+72(FP)
RET