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// Copyright 2009 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.
//
// System calls and other sys.stuff for AMD64, FreeBSD
// /usr/src/sys/kern/syscalls.master for syscall numbers.
//
#include "amd64/asm.h"
TEXT runtime·sys_umtx_op(SB),7,$0
MOVQ 8(SP), DI
MOVL 16(SP), SI
MOVL 20(SP), DX
MOVQ 24(SP), R10
MOVQ 32(SP), R8
MOVL $454, AX
SYSCALL
RET
TEXT runtime·thr_new(SB),7,$0
MOVQ 8(SP), DI
MOVQ 16(SP), SI
MOVL $455, AX
SYSCALL
RET
TEXT runtime·thr_start(SB),7,$0
MOVQ DI, R13 // m
// set up FS to point at m->tls
LEAQ m_tls(R13), DI
CALL runtime·settls(SB) // smashes DI
// set up m, g
get_tls(CX)
MOVQ R13, m(CX)
MOVQ m_g0(R13), DI
MOVQ DI, g(CX)
CALL runtime·stackcheck(SB)
CALL runtime·mstart(SB)
MOVQ 0, AX // crash (not reached)
// Exit the entire program (like C exit)
TEXT runtime·exit(SB),7,$-8
MOVL 8(SP), DI // arg 1 exit status
MOVL $1, AX
SYSCALL
CALL runtime·notok(SB)
RET
TEXT runtime·exit1(SB),7,$-8
MOVQ 8(SP), DI // arg 1 exit status
MOVL $431, AX
SYSCALL
CALL runtime·notok(SB)
RET
TEXT runtime·write(SB),7,$-8
MOVL 8(SP), DI // arg 1 fd
MOVQ 16(SP), SI // arg 2 buf
MOVL 24(SP), DX // arg 3 count
MOVL $4, AX
SYSCALL
RET
TEXT runtime·raisesigpipe(SB),7,$16
// thr_self(&8(SP))
LEAQ 8(SP), DI // arg 1 &8(SP)
MOVL $432, AX
SYSCALL
// thr_kill(self, SIGPIPE)
MOVQ 8(SP), DI // arg 1 id
MOVQ $13, SI // arg 2 SIGPIPE
MOVL $433, AX
SYSCALL
RET
TEXT runtime·setitimer(SB), 7, $-8
MOVL 8(SP), DI
MOVQ 16(SP), SI
MOVQ 24(SP), DX
MOVL $83, AX
SYSCALL
RET
TEXT runtime·gettime(SB), 7, $32
MOVL $116, AX
LEAQ 8(SP), DI
MOVQ $0, SI
SYSCALL
MOVQ 8(SP), BX // sec
MOVQ sec+0(FP), DI
MOVQ BX, (DI)
MOVL 16(SP), BX // usec
MOVQ usec+8(FP), DI
MOVL BX, (DI)
RET
TEXT runtime·sigaction(SB),7,$-8
MOVL 8(SP), DI // arg 1 sig
MOVQ 16(SP), SI // arg 2 act
MOVQ 24(SP), DX // arg 3 oact
MOVL $416, AX
SYSCALL
JCC 2(PC)
CALL runtime·notok(SB)
RET
TEXT runtime·sigtramp(SB),7,$64
get_tls(BX)
// save g
MOVQ g(BX), R10
MOVQ R10, 40(SP)
// g = m->signal
MOVQ m(BX), BP
MOVQ m_gsignal(BP), BP
MOVQ BP, g(BX)
MOVQ DI, 0(SP)
MOVQ SI, 8(SP)
MOVQ DX, 16(SP)
MOVQ R10, 24(SP)
CALL runtime·sighandler(SB)
// restore g
get_tls(BX)
MOVQ 40(SP), R10
MOVQ R10, g(BX)
RET
TEXT runtime·mmap(SB),7,$0
MOVQ 8(SP), DI // arg 1 addr
MOVQ 16(SP), SI // arg 2 len
MOVL 24(SP), DX // arg 3 prot
MOVL 28(SP), R10 // arg 4 flags
MOVL 32(SP), R8 // arg 5 fid
MOVL 36(SP), R9 // arg 6 offset
MOVL $477, AX
SYSCALL
RET
TEXT runtime·munmap(SB),7,$0
MOVQ 8(SP), DI // arg 1 addr
MOVQ 16(SP), SI // arg 2 len
MOVL $73, AX
SYSCALL
JCC 2(PC)
CALL runtime·notok(SB)
RET
TEXT runtime·notok(SB),7,$-8
MOVL $0xf1, BP
MOVQ BP, (BP)
RET
TEXT runtime·sigaltstack(SB),7,$-8
MOVQ new+8(SP), DI
MOVQ old+16(SP), SI
MOVQ $53, AX
SYSCALL
JCC 2(PC)
CALL runtime·notok(SB)
RET
// set tls base to DI
TEXT runtime·settls(SB),7,$8
ADDQ $16, DI // adjust for ELF: wants to use -16(FS) and -8(FS) for g and m
MOVQ DI, 0(SP)
MOVQ SP, SI
MOVQ $129, DI // AMD64_SET_FSBASE
MOVQ $165, AX // sysarch
SYSCALL
JCC 2(PC)
CALL runtime·notok(SB)
RET
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