diff options
Diffstat (limited to 'mit-pthreads/machdep/syscall-i386-sco-3.2v5.S')
| -rw-r--r-- | mit-pthreads/machdep/syscall-i386-sco-3.2v5.S | 442 |
1 files changed, 442 insertions, 0 deletions
diff --git a/mit-pthreads/machdep/syscall-i386-sco-3.2v5.S b/mit-pthreads/machdep/syscall-i386-sco-3.2v5.S new file mode 100644 index 00000000000..0a60dcdd866 --- /dev/null +++ b/mit-pthreads/machdep/syscall-i386-sco-3.2v5.S @@ -0,0 +1,442 @@ +/* ==== syscall.S ============================================================ + * Copyright (c) 1990 The Regents of the University of California. + * Copyright (c) 1995 Chris Provenzano, proven@mit.edu + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Description : Machine dependent syscalls for i386/i486/i586 + * + */ + +#ifndef lint + .text + .asciz "syscall-i386-sco-3.2v5.S,v 1.2 1995/05/26 07:44:29 proven Exp"; +#endif + +#if defined(SYSLIBC_SCCS) && !defined(lint) + .asciz "@(#)syscall.s 5.1 (Berkeley) 4/23/90" +#endif /* SYSLIBC_SCCS and not lint */ + +#include <sys/errno.h> +#include <sys/syscall.h> + +#ifdef _SCO_ELF + +#define NAME(X) machdep_sys_##X +#define GETADDR(X) \ + call 1f; \ +1: \ + popl %ebx; \ + addl $NAME(X)+[.-1b], %ebx + +#define END(X) 1: ; .type NAME(X),@function ; .size NAME(X),1b - NAME(X) + +#else + +#define NAME(X) _machdep_sys_##X +#define END(X) + +#endif + +#ifdef __STDC__ + +#define SYSCALL(x) \ + .globl NAME(x); \ + \ +NAME(x): \ + movl $(SYS_##x##), %eax; \ + lcall $7, $0; \ + jae 1f; \ + cmp $(ERESTART), %eax; \ + je NAME(x); \ + neg %eax; \ +1: \ + ret; \ +\ + END(x) + + +#else + +#define SYSCALL(x) \ + .globl NAME(x); \ + \ +NAME(x): \ + \ + movl $(SYS_/**/x), %eax; \ + lcall $7, $0; \ + jb 1b; \ + ret; \ + END(x) + +#endif + + +/* + * Initial asm stuff for all functions. + */ + .text + .align 2 + +/* ========================================================================== + * machdep_sys_fork() + */ + .globl NAME(fork); + +NAME(fork):; + movl $(SYS_fork), %eax + lcall $7, $0 + jae 1f + neg %eax + ret +1: + test %edx, %edx + je 2f + xor %eax, %eax +2: + ret; + END(fork) + +/* ========================================================================== + * NAME(getdents) + */ + .globl NAME(getdents); + +NAME(getdents): + movl $(SYS_getdents), %eax; + lcall $7, $0 + jae 1f + neg %eax +1: + ret; + END(getdents) + +/* ========================================================================== + * NAME(fxstat) + */ + .globl NAME(fxstat); + +NAME(fxstat):; + movl $(SYS_fxstat), %eax; + lcall $7, $0 + jae 1f + neg %eax; + ret; +1: + xor %eax, %eax; + ret; + END(fxstat) + +/* ========================================================================== + * NAME(signal) + */ + .globl NAME(signal); + +NAME(signal):; + movl 4(%esp), %ecx + movl $(SYS_signal),%eax +#if 0 + call .L1 +.L1: + popl %edx + addl $(NAME(sigreturn)+[.-.L1]), %edx +#else + movl $NAME(sigreturn), %edx +#endif + lcall $7,$0 + jae 1f +# movl %eax, 12(%esp) + neg %eax + ret +1: +# xor %eax, %eax +# movl %eax, 12(%esp) + ret + END(signal) + +/* ========================================================================== + * NAME(sigaction) + */ + .globl NAME(sigaction); + +NAME(sigaction): + movl $(SYS_sigaction),%eax +#if 0 + call .L2 +.L2: + popl %edx + addl $(NAME(sigreturn)+[.-.L2]), %edx +#else + movl $NAME(sigreturn), %edx +#endif + lcall $7, $0 + jb 1f + xor %eax, %eax + ret +1: + neg %eax + ret + END(sigaction) + + .globl NAME(sigreturn) +NAME(sigreturn): + addl $4,%esp + lcall $0xf, $0 + nop + nop + END(sigreturn) + +/* ========================================================================== + * NAME(waitpid) + */ + .globl NAME(waitpid); + +NAME(waitpid): + .byte 0x9c + popl %eax + orl $0x8c4, %eax + pushl %eax + .byte 0x9d + movl $(SYS_wait), %eax + lcall $7, $0 + jae 2f + cmpl $(ERESTART), %al + je NAME(waitpid) + neg %eax +3: + ret +2: + movl 8(%esp), %ecx + test %ecx,%ecx + je 3b + mov %edx, (%ecx) + ret + END(waitpid) + +/* ========================================================================== + * NAME(uname) + */ + .globl NAME(uname); + +NAME(uname): + pushl $0 + pushl $0 + pushl 12(%esp) + subl $4, %esp + movl $(SYS_utssys), %eax + .byte 0x9a; .long 0; .word 7; + jb 1f + addl $16, %esp + ret +1: + addl $16, %esp + neg %eax + ret + END(uname) + + +/* ========================================================================== + * machdep_sys_ftruncate + */ + +SYSCALL(ftruncate) + +/* ========================================================================== + * machdep_sys_ftime + */ + +SYSCALL(ftime) + +/* ========================================================================== + * machdep_sys_gettimeofday() + */ + +SYSCALL(gettimeofday) + +/* ========================================================================== + * machdep_sys_kill() + */ + +SYSCALL(kill) + +/* ========================================================================== + * pthread_sys_setitimer + */ + .globl NAME(setitimer); + +NAME(setitimer):; + movl $(SYS_setitimer), %eax; + lcall $7, $0 + jae 1f + neg %eax + ret +1: + xor %eax, %eax + ret; + END(setitimer) + +/* ========================================================================== + * pthread_sys_sysconf + */ + .globl NAME(sysconf); + +NAME(sysconf):; + movl $(SYS_sysconf), %eax; + lcall $7, $0 + jae 1f + neg %eax +1: + ret; + END(sysconf) + +/* ========================================================================== + * pthread_sys_sysi86() + */ + .globl NAME(sysi86); + +NAME(sysi86):; + movl $(SYS_sysi86), %eax + lcall $7, $0 + jae 1f + neg %eax +1: + ret; + END(sysi86) + + +/* ========================================================================== + * machdep_sys_brk() + */ + .globl NAME(brk); + +NAME(brk):; + movl $(SYS_break), %eax + lcall $7, $0 + jae 1f + neg %eax + ret +1: + xor %eax, %eax + ret; + END(brk) + +/* ========================================================================== + * machdep_sys_pipe() + */ + .globl NAME(pipe); + +NAME(pipe):; + movl $(SYS_pipe), %eax; + lcall $7, $0 + jae 1f + neg %eax + ret +1: + movl 4(%esp), %ecx + movl %eax, (%ecx) + movl %edx, 4(%ecx) + xor %eax, %eax + ret; + END(brk) + +/* ========================================================================== + * machdep_sys_fcntl() + */ + .globl NAME(fcntl); + +NAME(fcntl):; + movl $(SYS_fcntl), %eax + lcall $7, $0 + jae 1f + neg %eax +1: + ret + END(fcntl) + + +/* ========================================================================== + * machdep_sys_select() + */ + .globl NAME(select); + +NAME(select):; + movl $(SYS_select), %eax + lcall $7, $0 + jae 1f + cmp $(ERESTART), %eax + jne 2f + movl $(EINTR), %eax +2: + neg %eax +1: + ret + END(select) + + +/* ========================================================================== + * setjmp() + */ + .globl setjmp; + +setjmp: + movl 4(%esp),%eax + movl %ebx,(%eax) + movl %esi,4(%eax) + movl %edi,8(%eax) + movl %ebp,12(%eax) + popl %edx + movl %esp,16(%eax) + movl %edx,20(%eax) + subl %eax,%eax + jmp *%edx +1: ; .type setjmp,@function ; .size setjmp,1b - setjmp + +/* ========================================================================== + * longjmp() + */ + .globl longjmp; + +longjmp: + movl 4(%esp),%edx + movl 8(%esp),%eax + movl 0(%edx),%ebx + movl 4(%edx),%esi + movl 8(%edx),%edi + movl 12(%edx),%ebp + movl 16(%edx),%esp + test %eax,%eax + jne 1f + inc %eax +1: + jmp *20(%edx) +1: ; .type longjmp,@function ; .size longjmp,1b - longjmp |