| // 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 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 thr_new(SB),7,$0 |
| MOVQ 8(SP), DI |
| MOVQ 16(SP), SI |
| MOVL $455, AX |
| SYSCALL |
| RET |
| |
| TEXT thr_start(SB),7,$0 |
| MOVQ DI, m |
| MOVQ m_g0(m), g |
| CALL stackcheck(SB) |
| CALL mstart(SB) |
| MOVQ 0, AX // crash (not reached) |
| |
| |
| // Exit the entire program (like C exit) |
| TEXT exit(SB),7,$-8 |
| MOVL 8(SP), DI // arg 1 exit status |
| MOVL $1, AX |
| SYSCALL |
| CALL notok(SB) |
| RET |
| |
| TEXT exit1(SB),7,$-8 |
| MOVQ 8(SP), DI // arg 1 exit status |
| MOVL $431, AX |
| SYSCALL |
| CALL notok(SB) |
| RET |
| |
| TEXT write(SB),7,$-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 |
| JCC 2(PC) |
| CALL notok(SB) |
| RET |
| |
| TEXT gettime(SB), 7, $32 |
| MOVL $116, AX |
| LEAQ 8(SP), DI |
| MOVQ $0, SI |
| SYSCALL |
| |
| MOVQ 8(SP), BX // sec |
| MOVQ sec+0(FP), DI |
| MOVQ BX, (DI) |
| |
| MOVL 16(SP), BX // usec |
| MOVQ usec+8(FP), DI |
| MOVL BX, (DI) |
| RET |
| |
| |
| TEXT sigaction(SB),7,$-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 notok(SB) |
| RET |
| |
| TEXT sigtramp(SB),7,$24-16 |
| MOVQ m_gsignal(m), g |
| MOVQ DI, 0(SP) |
| MOVQ SI, 8(SP) |
| MOVQ DX, 16(SP) |
| CALL sighandler(SB) |
| RET |
| |
| TEXT ·mmap(SB),7,$-8 |
| MOVQ 8(SP), DI // arg 1 addr |
| MOVL 16(SP), SI // arg 2 len |
| MOVL 20(SP), DX // arg 3 prot |
| MOVL 24(SP), R10 // arg 4 flags |
| MOVL 28(SP), R8 // arg 5 fid |
| MOVL 32(SP), R9 // arg 6 offset |
| MOVL $477, AX |
| SYSCALL |
| JCC 2(PC) |
| CALL notok(SB) |
| RET |
| |
| TEXT notok(SB),7,$-8 |
| MOVL $0xf1, BP |
| MOVQ BP, (BP) |
| RET |
| |
| TEXT ·memclr(SB),7,$-8 |
| MOVQ 8(SP), DI // arg 1 addr |
| MOVL 16(SP), CX // arg 2 count |
| ADDL $7, CX |
| SHRL $3, CX |
| MOVQ $0, AX |
| CLD |
| REP |
| STOSQ |
| RET |
| |
| TEXT ·getcallerpc+0(SB),7,$0 |
| MOVQ x+0(FP),AX // addr of first arg |
| MOVQ -8(AX),AX // get calling pc |
| RET |
| |
| TEXT ·setcallerpc+0(SB),7,$0 |
| MOVQ x+0(FP),AX // addr of first arg |
| MOVQ x+8(FP), BX |
| MOVQ BX, -8(AX) // set calling pc |
| RET |
| |
| TEXT sigaltstack(SB),7,$-8 |
| MOVQ new+8(SP), DI |
| MOVQ old+16(SP), SI |
| MOVQ $53, AX |
| SYSCALL |
| JCC 2(PC) |
| CALL notok(SB) |
| RET |