diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/brk.S | 58 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/pipe.S | 38 |
3 files changed, 101 insertions, 0 deletions
@@ -1,4 +1,9 @@ 2000-06-09 Jes Sorensen <jes@linuxcare.com> + + * sysdeps/unix/sysv/linux/ia64/brk.S: New file. + * sysdeps/unix/sysv/linux/ia64/pipe.S: New file. + +2000-06-09 Jes Sorensen <jes@linuxcare.com> Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/ia64/sigaction.c: New file. diff --git a/sysdeps/unix/sysv/linux/ia64/brk.S b/sysdeps/unix/sysv/linux/ia64/brk.S new file mode 100644 index 0000000000..c483aa6ad6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/brk.S @@ -0,0 +1,58 @@ +/* brk system call for Linux/ia64 + Copyright (C) 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Written by Stephane Eranian <eranian@hpl.hp.com> and + Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999. + + 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 <asm/unistd.h> +#include <asm/errno.h> + .text + .psr abi64 + .psr lsb + .lsb + + .global __curbrk + .data + .align 8 +__curbrk: + data8 0 + .weak ___brk_addr +___brk_addr = __curbrk + .text + .align 16 + .global __brk + .proc __brk +__brk: + mov r15=__NR_brk + break.i __BREAK_SYSCALL + ;; + cmp.ltu p6,p0=ret0,r32 /* r32 is the input register, even though we + haven't allocated a frame */ + addl r9=@ltoff(__curbrk#),gp + ;; + ld8 r9=[r9] +(p6) mov ret0=ENOMEM +(p6) br.cond.spnt.few __syscall_error + ;; + st8 [r9]=ret0 + mov ret0=0 + br.ret.sptk.few rp + .endp __brk + + .weak brk +brk = __brk diff --git a/sysdeps/unix/sysv/linux/ia64/pipe.S b/sysdeps/unix/sysv/linux/ia64/pipe.S new file mode 100644 index 0000000000..a0bc8e6722 --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/pipe.S @@ -0,0 +1,38 @@ +/* Copyright (C) 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Mosberger <davidm@hpl.hp.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. */ + +/* __pipe is a special syscall since it returns two values. */ + +#include <sysdep.h> + +ENTRY(__pipe) + st8 [sp]=r32 // save ptr across system call + DO_CALL (SYS_ify (pipe)) + ld8 r2=[sp] + cmp.ne p6,p0=-1,r10 + ;; +(p6) st4 [r2]=r8,4 + mov ret0=0 + ;; +(p6) st4 [r2]=r9 +(p6) ret + br.cond.spnt.few __syscall_error +PSEUDO_END(__pipe) + +weak_alias (__pipe, pipe) |