?? setjmp.s
字號:
| .data| .asciz "@(#)setjmp.s 1.1 92/07/30 Copyr 1984 Sun Micro" .even .text| Copyright (c) 1984 by Sun Microsystems, Inc.#include <machine/asm_linkage.h>| Longjmp and setjmp implement non-local gotos| using state vectors of type label_t (13 longs).| Registers saved are the PC, d2-d7, and a2-a7.SAVREGS = 0xFCFC ENTRY(setjmp) movl sp@(4),a1 | get label_t address moveml #SAVREGS,a1@(4) | save data/address regs movl sp@,a1@ | save PC of caller clrl d0 | return zero rts ENTRY(longjmp) movl sp@(4),a1 | get label_t address moveml a1@(4),#SAVREGS | restore data/address regs| Note: we just changed stacks movl a1@,sp@ | restore PC movl #1,d0 | return one rts
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -