| // Copyright 2010 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 "defs_GOOS_GOARCH.h" |
| #include "zasm_GOOS_GOARCH.h" |
| |
| // setldt(int entry, int address, int limit) |
| TEXT runtime·setldt(SB),7,$0 |
| RET |
| |
| TEXT runtime·open(SB),7,$0 |
| MOVL $14, AX |
| INT $64 |
| RET |
| |
| TEXT runtime·pread(SB),7,$0 |
| MOVL $50, AX |
| INT $64 |
| RET |
| |
| TEXT runtime·pwrite(SB),7,$0 |
| MOVL $51, AX |
| INT $64 |
| RET |
| |
| TEXT runtime·close(SB),7,$0 |
| MOVL $4, AX |
| INT $64 |
| RET |
| |
| TEXT runtime·exits(SB),7,$0 |
| MOVL $8, AX |
| INT $64 |
| RET |
| |
| TEXT runtime·brk_(SB),7,$0 |
| MOVL $24, AX |
| INT $64 |
| RET |
| |
| TEXT runtime·sleep(SB),7,$0 |
| MOVL $17, AX |
| INT $64 |
| RET |
| |
| TEXT runtime·plan9_semacquire(SB),7,$0 |
| MOVL $37, AX |
| INT $64 |
| RET |
| |
| TEXT runtime·plan9_semrelease(SB),7,$0 |
| MOVL $38, AX |
| INT $64 |
| RET |
| |
| TEXT runtime·rfork(SB),7,$0 |
| MOVL $19, AX // rfork |
| INT $64 |
| |
| // In parent, return. |
| CMPL AX, $0 |
| JEQ 2(PC) |
| RET |
| |
| // In child on old stack. |
| MOVL mm+12(SP), BX // m |
| MOVL gg+16(SP), DX // g |
| MOVL fn+20(SP), SI // fn |
| |
| // set SP to be on the new child stack |
| MOVL stack+8(SP), CX |
| MOVL CX, SP |
| |
| // Initialize m, g. |
| get_tls(AX) |
| MOVL DX, g(AX) |
| MOVL BX, m(AX) |
| |
| // Initialize AX from _tos->pid |
| MOVL _tos(SB), AX |
| MOVL tos_pid(AX), AX |
| MOVL AX, m_procid(BX) // save pid as m->procid |
| |
| CALL runtime·stackcheck(SB) // smashes AX, CX |
| |
| MOVL 0(DX), DX // paranoia; check they are not nil |
| MOVL 0(BX), BX |
| |
| // more paranoia; check that stack splitting code works |
| PUSHL SI |
| CALL runtime·emptyfunc(SB) |
| POPL SI |
| |
| CALL SI // fn() |
| CALL runtime·exit(SB) |
| RET |
