syscall.s
来自「一个C源代码分析器」· S 代码 · 共 32 行
S
32 行
/* `syscall' function for Sequent Symmetry running Dynix version 3.Copyright (C) 1994 Free Software Foundation, Inc.This file is part of the GNU C Library.The GNU C Library is free software; you can redistribute it and/ormodify it under the terms of the GNU Library General Public License aspublished by the Free Software Foundation; either version 2 of theLicense, or (at your option) any later version.The GNU C Library is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNULibrary General Public License for more details.You should have received a copy of the GNU Library General PublicLicense along with the GNU C Library; see the file COPYING.LIB. Ifnot, write to the Free Software Foundation, Inc., 675 Mass Ave,Cambridge, MA 02139, USA. */#include <sysdep.h>.text.globl syscall_error.align 4ENTRY (syscall) leal 8(%esp), %ecx /* Load address of second argument. */ movl $SYS_HANDLER, %eax /* Use BSD system calls. */ movw 4(%esp), %ax /* Load system call number into low word. */ int $T_SVC6 /* Pretend it takes six args. */ jb syscall_error ret
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