| // 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 |