2021-01-02 19:32:25 +00:00
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/* Copyright (C) 1996-2021 Free Software Foundation, Inc.
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1996-11-20 03:45:46 +00:00
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This file is part of the GNU C Library.
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Wed Feb 14 00:21:17 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/Makefile,
sysdeps/unix/sysv/linux/alpha/brk.S,
sysdeps/unix/sysv/linux/alpha/fpu_control.c,
sysdeps/unix/sysv/linux/alpha/fpu_control.h,
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S,
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S,
sysdeps/unix/sysv/linux/alpha/pipe.S,
sysdeps/unix/sysv/linux/alpha/setfpucw.c,
sysdeps/unix/sysv/linux/alpha/sigprocmask.c,
sysdeps/unix/sysv/linux/alpha/speed.c,
sysdeps/unix/sysv/linux/alpha/start.S,
sysdeps/unix/sysv/linux/alpha/syscall.S,
sysdeps/unix/sysv/linux/alpha/syscalls.list,
sysdeps/unix/sysv/linux/alpha/sysdep.S,
sysdeps/unix/sysv/linux/alpha/sysdep.h: New files.
1996-03-19 19:51:23 +00:00
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1996-11-20 03:45:46 +00:00
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 04:56:23 +00:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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Wed Feb 14 00:21:17 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/Makefile,
sysdeps/unix/sysv/linux/alpha/brk.S,
sysdeps/unix/sysv/linux/alpha/fpu_control.c,
sysdeps/unix/sysv/linux/alpha/fpu_control.h,
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S,
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S,
sysdeps/unix/sysv/linux/alpha/pipe.S,
sysdeps/unix/sysv/linux/alpha/setfpucw.c,
sysdeps/unix/sysv/linux/alpha/sigprocmask.c,
sysdeps/unix/sysv/linux/alpha/speed.c,
sysdeps/unix/sysv/linux/alpha/start.S,
sysdeps/unix/sysv/linux/alpha/syscall.S,
sysdeps/unix/sysv/linux/alpha/syscalls.list,
sysdeps/unix/sysv/linux/alpha/sysdep.S,
sysdeps/unix/sysv/linux/alpha/sysdep.h: New files.
1996-03-19 19:51:23 +00:00
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1996-11-20 03:45:46 +00:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 04:56:23 +00:00
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Lesser General Public License for more details.
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Wed Feb 14 00:21:17 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/Makefile,
sysdeps/unix/sysv/linux/alpha/brk.S,
sysdeps/unix/sysv/linux/alpha/fpu_control.c,
sysdeps/unix/sysv/linux/alpha/fpu_control.h,
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S,
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S,
sysdeps/unix/sysv/linux/alpha/pipe.S,
sysdeps/unix/sysv/linux/alpha/setfpucw.c,
sysdeps/unix/sysv/linux/alpha/sigprocmask.c,
sysdeps/unix/sysv/linux/alpha/speed.c,
sysdeps/unix/sysv/linux/alpha/start.S,
sysdeps/unix/sysv/linux/alpha/syscall.S,
sysdeps/unix/sysv/linux/alpha/syscalls.list,
sysdeps/unix/sysv/linux/alpha/sysdep.S,
sysdeps/unix/sysv/linux/alpha/sysdep.h: New files.
1996-03-19 19:51:23 +00:00
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2001-07-06 04:56:23 +00:00
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You should have received a copy of the GNU Lesser General Public
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2012-03-09 23:56:38 +00:00
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License along with the GNU C Library. If not, see
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Prefer https to http for gnu.org and fsf.org URLs
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 05:40:42 +00:00
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<https://www.gnu.org/licenses/>. */
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Wed Feb 14 00:21:17 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/Makefile,
sysdeps/unix/sysv/linux/alpha/brk.S,
sysdeps/unix/sysv/linux/alpha/fpu_control.c,
sysdeps/unix/sysv/linux/alpha/fpu_control.h,
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S,
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S,
sysdeps/unix/sysv/linux/alpha/pipe.S,
sysdeps/unix/sysv/linux/alpha/setfpucw.c,
sysdeps/unix/sysv/linux/alpha/sigprocmask.c,
sysdeps/unix/sysv/linux/alpha/speed.c,
sysdeps/unix/sysv/linux/alpha/start.S,
sysdeps/unix/sysv/linux/alpha/syscall.S,
sysdeps/unix/sysv/linux/alpha/syscalls.list,
sysdeps/unix/sysv/linux/alpha/sysdep.S,
sysdeps/unix/sysv/linux/alpha/sysdep.h: New files.
1996-03-19 19:51:23 +00:00
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#include <sysdep.h>
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/*
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* This is for COMPATIBILITY with Linux/x86 only. Linux/Alpha system
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2013-06-05 20:26:40 +00:00
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* calls return an error indication in a3. This allows arbitrary 64bit
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2000-03-10 08:40:34 +00:00
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* values to be returned in v0 (because negative values are not
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* mistaken as error numbers). However, C allows only one value to
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* be returned, so the interface below folds the error indication passed in
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Wed Feb 14 00:21:17 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/Makefile,
sysdeps/unix/sysv/linux/alpha/brk.S,
sysdeps/unix/sysv/linux/alpha/fpu_control.c,
sysdeps/unix/sysv/linux/alpha/fpu_control.h,
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S,
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S,
sysdeps/unix/sysv/linux/alpha/pipe.S,
sysdeps/unix/sysv/linux/alpha/setfpucw.c,
sysdeps/unix/sysv/linux/alpha/sigprocmask.c,
sysdeps/unix/sysv/linux/alpha/speed.c,
sysdeps/unix/sysv/linux/alpha/start.S,
sysdeps/unix/sysv/linux/alpha/syscall.S,
sysdeps/unix/sysv/linux/alpha/syscalls.list,
sysdeps/unix/sysv/linux/alpha/sysdep.S,
sysdeps/unix/sysv/linux/alpha/sysdep.h: New files.
1996-03-19 19:51:23 +00:00
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* a3 back into v0: it sets v0 to -errno if an error occurs. Thus,
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* no negative 64bit numbers can be returned. To avoid this problem,
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* use assembly stubs wherever possible/convenient.
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*
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* Usage:
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*
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2012-02-16 00:27:55 +00:00
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* long syscall(syscall_number, arg1, arg2, arg3, arg4, arg5, arg6)
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Wed Feb 14 00:21:17 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/Makefile,
sysdeps/unix/sysv/linux/alpha/brk.S,
sysdeps/unix/sysv/linux/alpha/fpu_control.c,
sysdeps/unix/sysv/linux/alpha/fpu_control.h,
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S,
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S,
sysdeps/unix/sysv/linux/alpha/pipe.S,
sysdeps/unix/sysv/linux/alpha/setfpucw.c,
sysdeps/unix/sysv/linux/alpha/sigprocmask.c,
sysdeps/unix/sysv/linux/alpha/speed.c,
sysdeps/unix/sysv/linux/alpha/start.S,
sysdeps/unix/sysv/linux/alpha/syscall.S,
sysdeps/unix/sysv/linux/alpha/syscalls.list,
sysdeps/unix/sysv/linux/alpha/sysdep.S,
sysdeps/unix/sysv/linux/alpha/sysdep.h: New files.
1996-03-19 19:51:23 +00:00
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*
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* syscall_number = the index of the system call we're invoking
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2012-02-16 00:27:55 +00:00
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* arg1-arg6 = up to 6 integer arguments to the system call
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Wed Feb 14 00:21:17 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/Makefile,
sysdeps/unix/sysv/linux/alpha/brk.S,
sysdeps/unix/sysv/linux/alpha/fpu_control.c,
sysdeps/unix/sysv/linux/alpha/fpu_control.h,
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S,
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S,
sysdeps/unix/sysv/linux/alpha/pipe.S,
sysdeps/unix/sysv/linux/alpha/setfpucw.c,
sysdeps/unix/sysv/linux/alpha/sigprocmask.c,
sysdeps/unix/sysv/linux/alpha/speed.c,
sysdeps/unix/sysv/linux/alpha/start.S,
sysdeps/unix/sysv/linux/alpha/syscall.S,
sysdeps/unix/sysv/linux/alpha/syscalls.list,
sysdeps/unix/sysv/linux/alpha/sysdep.S,
sysdeps/unix/sysv/linux/alpha/sysdep.h: New files.
1996-03-19 19:51:23 +00:00
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*
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* We need to do some arg shifting: the kernel expects the
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2012-02-16 00:27:55 +00:00
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* syscall number in v0 and the first six args in a0-a5.
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Wed Feb 14 00:21:17 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/Makefile,
sysdeps/unix/sysv/linux/alpha/brk.S,
sysdeps/unix/sysv/linux/alpha/fpu_control.c,
sysdeps/unix/sysv/linux/alpha/fpu_control.h,
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S,
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S,
sysdeps/unix/sysv/linux/alpha/pipe.S,
sysdeps/unix/sysv/linux/alpha/setfpucw.c,
sysdeps/unix/sysv/linux/alpha/sigprocmask.c,
sysdeps/unix/sysv/linux/alpha/speed.c,
sysdeps/unix/sysv/linux/alpha/start.S,
sysdeps/unix/sysv/linux/alpha/syscall.S,
sysdeps/unix/sysv/linux/alpha/syscalls.list,
sysdeps/unix/sysv/linux/alpha/sysdep.S,
sysdeps/unix/sysv/linux/alpha/sysdep.h: New files.
1996-03-19 19:51:23 +00:00
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*
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*/
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Wed May 22 00:40:50 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/alpha/_mcount.S, sysdeps/alpha/bb_init_func.S,
sysdeps/alpha/bsd-setjmp.S, sysdeps/alpha/ffs.S,
sysdeps/alpha/htonl.S, sysdeps/alpha/htons.S, sysdeps/alpha/memchr.S,
sysdeps/alpha/setjmp.S, sysdeps/alpha/strlen.S,
sysdeps/alpha/udiv_qrnnd.S, sysdeps/unix/sysv/linux/alpha/brk.S,
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S,
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S,
sysdeps/unix/sysv/linux/alpha/pipe.S,
sysdeps/unix/sysv/linux/sigsuspend.S,
sysdeps/unix/sysv/linux/alpha/syscall.S,
sysdeps/unix/sysv/linux/alpha/sysdep.S: Remove include of regdef.h.
sysdep.h includes it now. Replace ENTRY by LEAF with appropriate
framesize declaration. Replace "lda pv,sym/jsr pv" by "jsr sym".
1996-05-23 05:32:12 +00:00
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LEAF(__syscall, 0)
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1996-11-07 01:34:35 +00:00
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#ifdef PROF
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ldgp gp, 0(pv)
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1996-11-20 03:45:46 +00:00
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.set noat
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1996-11-07 01:34:35 +00:00
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lda AT, _mcount
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jsr AT, (AT), _mcount
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1996-11-20 03:45:46 +00:00
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.set at
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1996-11-07 01:34:35 +00:00
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.prologue 1
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#else
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.prologue 0
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#endif
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1996-06-19 06:38:13 +00:00
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mov a0, v0 /* Syscall number -> v0 */
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mov a1, a0 /* arg1-arg5 -> a0-a4 */
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mov a2, a1
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mov a3, a2
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mov a4, a3
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mov a5, a4
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2012-02-16 00:27:55 +00:00
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ldq a5,0(sp) /* arg6 -> a5 */
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1996-06-19 06:38:13 +00:00
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call_pal PAL_callsys /* Invoke system call */
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2012-09-28 17:51:01 +00:00
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bne a3, SYSCALL_ERROR_LABEL
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Wed Feb 14 00:21:17 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/Makefile,
sysdeps/unix/sysv/linux/alpha/brk.S,
sysdeps/unix/sysv/linux/alpha/fpu_control.c,
sysdeps/unix/sysv/linux/alpha/fpu_control.h,
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S,
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S,
sysdeps/unix/sysv/linux/alpha/pipe.S,
sysdeps/unix/sysv/linux/alpha/setfpucw.c,
sysdeps/unix/sysv/linux/alpha/sigprocmask.c,
sysdeps/unix/sysv/linux/alpha/speed.c,
sysdeps/unix/sysv/linux/alpha/start.S,
sysdeps/unix/sysv/linux/alpha/syscall.S,
sysdeps/unix/sysv/linux/alpha/syscalls.list,
sysdeps/unix/sysv/linux/alpha/sysdep.S,
sysdeps/unix/sysv/linux/alpha/sysdep.h: New files.
1996-03-19 19:51:23 +00:00
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ret
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2012-09-28 17:51:01 +00:00
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PSEUDO_END(__syscall)
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1996-11-20 03:45:46 +00:00
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2005-05-26 14:30:48 +00:00
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weak_alias (__syscall, syscall)
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