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-rw-r--r--src/runtime/internal/syscall/asm_linux_loong64.s29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/runtime/internal/syscall/asm_linux_loong64.s b/src/runtime/internal/syscall/asm_linux_loong64.s
new file mode 100644
index 0000000..d6a33f9
--- /dev/null
+++ b/src/runtime/internal/syscall/asm_linux_loong64.s
@@ -0,0 +1,29 @@
+// 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)
+TEXT ·Syscall6(SB),NOSPLIT,$0-80
+ 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
+ SYSCALL
+ 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)
+ RET
+ok:
+ MOVV R4, r1+56(FP)
+ MOVV R0, r2+64(FP) // r2 is not used. Always set to 0.
+ MOVV R0, errno+72(FP)
+ RET