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-rw-r--r--src/syscall/asm_freebsd_arm.s130
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