From f1d86a931b2c51a24540e7ea3cda60dc154e064a Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 5 May 2000 16:49:44 +0000 Subject: Update. 2000-05-05 Jes Sorensen * sysdeps/unix/sysv/linux/ia64/sysdep.h: New file. * sysdeps/unix/sysv/linux/ia64/syscall.S: New file. * sysdeps/unix/sysv/linux/ia64/bits/types.h: New file. * sysdeps/unix/sysv/linux/ia64/bits/endian.h: New file. * sysdeps/ia64/Implies: New file. * sysdeps/ia64/Versions: New file. Declare _dl_symbol_address. * sysdeps/ia64/Makefile: New file. * sysdeps/ia64/gmp-mparam.h: New file, * sysdeps/ia64/elf/start.S: New file. * sysdeps/ia64/bits/fenv.h: New file. 2000-05-05 David Mosberger-Tang * sysdeps/unix/sysv/linux/ia64/sysdep.S: New file. 2000-04-26 Jes Sorensen * sysdeps/unix/sysv/linux/ia64/bits/elfclass.h: New file. The ia64 has 64 bit .hash entries just as the Alpha. 2000-04-25 Jes Sorensen * sysdeps/ia64/memprof.h: New file. Provide GETSP() macro. 2000-04-17 Jes Sorensen * sysdeps/ia64/fpu/fclrexcpt.c: New file. * sysdeps/ia64/fpu/fedisblxcpt.c: New file. * sysdeps/ia64/fpu/feenablxcpt.c: New file. * sysdeps/ia64/fpu/fegetenv.c: New file. * sysdeps/ia64/fpu/fegetexcept.c: New file. * sysdeps/ia64/fpu/fegetround.c: New file. * sysdeps/ia64/fpu/feholdexcpt.c: New file. * sysdeps/ia64/fpu/fesetenv.c: New file. * sysdeps/ia64/fpu/fesetround.c: New file. * sysdeps/ia64/fpu/feupdateenv.c: New file. * sysdeps/ia64/fpu/fgetexcptflg.c: New file. * sysdeps/ia64/fpu/fraiseexcpt.c: New file. * sysdeps/ia64/fpu/fsetexcptflg.c: New file. * sysdeps/ia64/fpu/ftestexcept.c: New file. * sysdeps/unix/sysv/linux/i386/dl-procinfo.h (_DL_HWCAP_COUNT): New. * sysdeps/unix/sysv/linux/sparc/sparc32/dl-procinfo.h (_DL_HWCAP_COUNT): New. * sysdeps/unix/sysv/linux/sparc/sparc64/dl-procinfo.h (_DL_HWCAP_COUNT): New. --- sysdeps/unix/sysv/linux/ia64/sysdep.S | 84 +++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/ia64/sysdep.S (limited to 'sysdeps/unix/sysv/linux/ia64/sysdep.S') diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep.S b/sysdeps/unix/sysv/linux/ia64/sysdep.S new file mode 100644 index 0000000000..dcf9803044 --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/sysdep.S @@ -0,0 +1,84 @@ +/* Copyright (C) 1999, 2000 Hewlett-Packard Co. + Contributed by David Mosberger-Tang . + + 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 + + .psr abi64 + .psr lsb + .lsb + + .global errno + .common errno,4,4 + .type errno, @object + .size errno, 4 + + .global __errno +__errno = errno + + .global _errno +_errno = errno + + .text + + .align 8 + + .global __syscall_error + .proc __syscall_error +__syscall_error: +#ifdef _LIBC_REENTRANT + alloc r35=ar.pfs, 0, 4, 0, 0 + mov r32=b0 + mov r33=r8 + mov r34=r1 + ;; + br.call.sptk.many b0 = __errno_location# +.Lret0: /* force new bundle */ + st4 [r8]=r33 + mov r1=r34 + mov b0=r32 + mov r8=-1 + mov ar.pfs=r35 +#else /* _LIBC_REENTRANT */ + /* + * Note that the gp has to be set properly for this to work. + * As long as all syscalls are in the same load unit + * (executable or shared library) as this routine, we should + * be fine. Otherwise, we would have to first load the global + * pointer register from __gp. + */ + addl r2=@ltoff(errno),gp + ;; + ld8 r2=[r2] + mov r3=r8 + mov r8=-1 + ;; + st4 [r2]=r3 +#endif /* _LIBC_REENTRANT */ + ret // ret is #define'd in syscall.h! + .endp __syscall_error + + + .global __ia64_syscall + .proc __ia64_syscall +__ia64_syscall: + break __BREAK_SYSCALL + cmp.eq p6,p0=-1,r10 +(p6) br.cond.spnt.few __syscall_error + ret + .endp __ia64_syscall -- cgit 1.4.1