1 files changed, 130 insertions, 0 deletions
diff --git a/src/syscall/asm_freebsd_arm.s b/src/syscall/asm_freebsd_arm.s
new file mode 100644
index 0000000..64d9dee
--- /dev/null
+++ b/src/syscall/asm_freebsd_arm.s
@@ -0,0 +1,130 @@
+// Copyright 2012 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"
+#include "funcdata.h"
+
+//
+// System call support for ARM, FreeBSD
+//
+
+// func Syscall(trap, a1, a2, a3 uintptr) (r1, r2, errno uintptr);
+// func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr);
+// func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2, errno uintptr)
+
+TEXT	·Syscall(SB),NOSPLIT,$0-28
+	BL runtime·entersyscall(SB)
+	MOVW trap+0(FP), R7 // syscall number
+	MOVW a1+4(FP), R0 // a1
+	MOVW a2+8(FP), R1 // a2
+	MOVW a3+12(FP), R2 // a3
+	SWI $0 // syscall
+	MOVW $0, R2
+	BCS error
+	MOVW R0, r1+16(FP) // r1
+	MOVW R1, r2+20(FP) // r2
+	MOVW R2, err+24(FP) // errno
+	BL runtime·exitsyscall(SB)
+	RET
+error:
+	MOVW $-1, R3
+	MOVW R3, r1+16(FP) // r1
+	MOVW R2, r2+20(FP) // r2
+	MOVW R0, err+24(FP) // errno
+	BL runtime·exitsyscall(SB)
+	RET
+
+TEXT	·Syscall6(SB),NOSPLIT,$0-40
+	BL runtime·entersyscall(SB)
+	MOVW trap+0(FP), R7 // syscall number
+	MOVW a1+4(FP), R0 // a1
+	MOVW a2+8(FP), R1 // a2
+	MOVW a3+12(FP), R2 // a3
+	MOVW a4+16(FP), R3 // a4
+	MOVW R13, R4
+	MOVW $a5+20(FP), R13 // a5 to a6 are passed on stack
+	SWI $0 // syscall
+	MOVW R4, R13
+	MOVW $0, R2
+	BCS error6
+	MOVW R0, r1+28(FP) // r1
+	MOVW R1, r2+32(FP) // r2
+	MOVW R2, err+36(FP) // errno
+	BL runtime·exitsyscall(SB)
+	RET
+error6:
+	MOVW $-1, R3
+	MOVW R3, r1+28(FP) // r1
+	MOVW R2, r2+32(FP) // r2
+	MOVW R0, err+36(FP) // errno
+	BL runtime·exitsyscall(SB)
+	RET
+
+TEXT	·Syscall9(SB),NOSPLIT,$0-52
+	BL runtime·entersyscall(SB)
+	MOVW num+0(FP), R7 // syscall number
+	MOVW a1+4(FP), R0 // a1
+	MOVW a2+8(FP), R1 // a2
+	MOVW a3+12(FP), R2 // a3
+	MOVW a4+16(FP), R3 // a4
+	MOVW R13, R4
+	MOVW $a5+20(FP), R13 // a5 to a9 are passed on stack
+	SWI $0 // syscall
+	MOVW R4, R13
+	MOVW $0, R2
+	BCS error9
+	MOVW R0, r1+40(FP) // r1
+	MOVW R1, r2+44(FP) // r2
+	MOVW R2, err+48(FP) // errno
+	BL runtime·exitsyscall(SB)
+	RET
+error9:
+	MOVW $-1, R3
+	MOVW R3, r1+40(FP) // r1
+	MOVW R2, r2+44(FP) // r2
+	MOVW R0, err+48(FP) // errno
+	BL runtime·exitsyscall(SB)
+	RET
+
+TEXT	·RawSyscall(SB),NOSPLIT,$0-28
+	MOVW trap+0(FP), R7 // syscall number
+	MOVW a1+4(FP), R0 // a1
+	MOVW a2+8(FP), R1 // a2
+	MOVW a3+12(FP), R2 // a3
+	SWI $0 // syscall
+	MOVW $0, R2
+	BCS errorr
+	MOVW R0, r1+16(FP) // r1
+	MOVW R1, r2+20(FP) // r2
+	MOVW R2, err+24(FP) // errno
+	RET
+errorr:
+	MOVW $-1, R3
+	MOVW R3, r1+16(FP) // r1
+	MOVW R2, r2+20(FP) // r2
+	MOVW R0, err+24(FP) // errno
+	RET
+
+TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
+	MOVW trap+0(FP), R7 // syscall number
+	MOVW a1+4(FP), R0 // a1
+	MOVW a2+8(FP), R1 // a2
+	MOVW a3+12(FP), R2 // a3
+	MOVW a4+16(FP), R3 // a4
+	MOVW R13, R4
+	MOVW $a5+20(FP), R13 // a5 to a6 are passed on stack
+	SWI $0 // syscall
+	MOVW R4, R13
+	MOVW $0, R2
+	BCS errorr6
+	MOVW R0, r1+28(FP) // r1
+	MOVW R1, r2+32(FP) // r2
+	MOVW R2, err+36(FP) // errno
+	RET
+errorr6:
+	MOVW $-1, R3
+	MOVW R3, r1+28(FP) // r1
+	MOVW R2, r2+32(FP) // r2
+	MOVW R0, err+36(FP) // errno
+	RET