From 816fc1ed2eb2ddc50ac28fc4aeeaa07c93d54f06 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 4 Apr 2001 17:39:59 +0000 Subject: Update. 2001-04-04 Ulrich Drepper * sysdeps/unix/sysv/linux/s390/s390-64/Dist: Add ucontext_i.h. * sysdeps/unix/sysv/linux/s390/s390-32/Dist: Likewise. 2001-04-04 Martin Schwidefsky * sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S: New file. * sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c: New file. * sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S: New file. * sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.h: New file. * sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S: New file. * sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c: New file. * sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S: New file. * sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.h: New file. * sysdeps/unix/sysv/linux/s390/swapcontext.c: New file. * sunrpc/rpc_scan.c (symbols): Add entry for HYPER. * sunrpc/rpc_scan.h (enum tok_kind): Add TOK_HYPER. * sunrpc/rpc_parse.c (get_type): Handle TOK_HYPER. (unsigned_dec): Likewise. Patch by atai@jezebel.dreamhost.com. --- sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S | 72 +++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S (limited to 'sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S') diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S new file mode 100644 index 0000000..2fc21e2 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S @@ -0,0 +1,72 @@ +/* Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, 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 of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If + not, write to the Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include +#include + +#include "ucontext_i.h" + +/* __getcontext (const ucontext_t *ucp) + + Saves the machine context in UCP such that when it is activated, + it appears as if __getcontext() returned again. The only difference + is that on a first return, %r2 contains 1 and on a subsequent + return, it contains 0. + + This implementation is intended to be used for *synchronous* context + switches only. Therefore, it does not have to save anything + other than the PRESERVED state. */ + +ENTRY(__getcontext) + lgr %r5,%r2 + + /* sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask). */ + la %r2,SIG_BLOCK + slr %r3,%r3 + la %r4,SC_MASK(%r5) + svc SYS_ify(rt_sigprocmask) + + /* Store fpu context. */ + stfpc SC_FPC(%r5) + std %f0,SC_FPRS(%r5) + std %f1,SC_FPRS+8(%r5) + std %f2,SC_FPRS+16(%r5) + std %f3,SC_FPRS+24(%r5) + std %f4,SC_FPRS+32(%r5) + std %f5,SC_FPRS+40(%r5) + std %f6,SC_FPRS+48(%r5) + std %f7,SC_FPRS+56(%r5) + std %f8,SC_FPRS+64(%r5) + std %f9,SC_FPRS+72(%r5) + std %f10,SC_FPRS+80(%r5) + std %f11,SC_FPRS+88(%r5) + std %f12,SC_FPRS+96(%r5) + std %f13,SC_FPRS+104(%r5) + std %f14,SC_FPRS+112(%r5) + std %f15,SC_FPRS+120(%r5) + + /* Store general purpose registers. */ + stmg %r0,%r15,SC_GPRS(%r5) + + /* Return 0. */ + slgr %r2,%r2 + br %r14 +END(__getcontext) + +weak_alias(__getcontext, getcontext) -- cgit v1.1