diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/select.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/select.S | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/select.S b/sysdeps/unix/sysv/linux/alpha/select.S deleted file mode 100644 index 35a81e949f..0000000000 --- a/sysdeps/unix/sysv/linux/alpha/select.S +++ /dev/null @@ -1,241 +0,0 @@ -/* Copyright (C) 1998,2002,2003,2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep-cancel.h> -#define _ERRNO_H 1 -#include <bits/errno.h> -#include <kernel-features.h> - -.text - -#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING -#define SELECT __select_tv64 -#else -#define SELECT __select -#endif - -#if defined __ASSUME_TIMEVAL64 -PSEUDO(SELECT, select, 5) - ret -PSEUDO_END(SELECT) -#else -/* The problem here is that initially we made struct timeval compatible with - OSF/1, using int32. But we defined time_t with uint64, and later found - that POSIX requires tv_sec to be time_t. - - So now we have to do compatibility stuff. */ - -/* The variable is shared between all wrappers around signal handling - functions which have RT equivalents. */ -.comm __libc_missing_axp_tv64, 4 - -LEAF(SELECT, 64) - ldgp gp, 0(pv) - subq sp, 64, sp -#ifdef PROF - .set noat - lda AT, _mcount - jsr AT, (AT), _mcount - .set at -#endif - stq ra, 40(sp) - .mask 0x4000000, 40-64 - .prologue 1 - -#ifdef CENABLE - SINGLE_THREAD_P (t1) -#else - ldl t0, __libc_missing_axp_tv64 -#endif - - /* Save timeout early, since we'll need to recover this after - the system call. */ - stq a4, 48(sp) - -#ifdef CENABLE - bne t1, $do_cancel -#endif - - bne t0, $do32 - - /* Save arguments in case we do need to fall back. */ - stq a0, 8(sp) - stq a1, 16(sp) - stq a2, 24(sp) - stq a3, 32(sp) - - ldi v0, SYS_ify(select) - callsys - bne a3, $err64 - - /* Everything ok. */ - addq sp, 64, sp - ret - - /* If we didn't get ENOSYS, it is a real error. */ - .align 3 -$err64: cmpeq v0, ENOSYS, t0 - beq t0, $error - stl t0, __libc_missing_axp_tv64 - - /* Recover the saved arguments. */ - ldq a4, 48(sp) - ldq a3, 32(sp) - ldq a2, 24(sp) - ldq a1, 16(sp) - ldq a0, 8(sp) - - .align 3 -$do32: - /* If the timeout argument is present bounce to the smaller fmt. */ - beq a4, 1f - ldq t0, 0(a4) - ldq t1, 8(a4) - stl t0, 0(sp) - stl t1, 4(sp) - mov sp, a4 - -1: ldi v0, SYS_ify(osf_select) - callsys - bne a3, $error - - /* ... and bounce the remaining timeout back. */ - ldq a4, 48(sp) - beq a4, 2f - ldl t0, 0(sp) - ldl t1, 4(sp) - stq t0, 0(a4) - stq t1, 8(a4) - -2: addq sp, 64, sp - ret - -#ifdef CENABLE - .align 3 -$do_cancel: - /* Save arguments. */ - stq a0, 8(sp) - stq a1, 16(sp) - stq a2, 24(sp) - stq a3, 32(sp) - - CENABLE - mov v0, ra - - ldl t0, __libc_missing_axp_tv64 - bne t0, $do_cancel32 - - /* Recover the saved arguments. */ - ldq a4, 48(sp) - ldq a3, 32(sp) - ldq a2, 24(sp) - ldq a1, 16(sp) - ldq a0, 8(sp) - - ldi v0, SYS_ify(select) - callsys - - mov ra, a0 - bne a3, $cancel_err64 - - stq v0, 8(sp) - CDISABLE - ldq v0, 8(sp) - ldq ra, 40(sp) - - /* Everything ok. */ - addq sp, 64, sp - ret - - /* If we didn't get ENOSYS, it is a real error. */ - .align 3 -$cancel_err64: - cmpeq v0, ENOSYS, t0 - beq t0, $cancel_error - stl t0, __libc_missing_axp_tv64 - - /* Recover the saved arguments. */ - .align 3 -$do_cancel32: - ldq a4, 48(sp) - ldq a3, 32(sp) - ldq a2, 24(sp) - ldq a1, 16(sp) - ldq a0, 8(sp) - - /* If the timeout argument is present bounce to the smaller fmt. */ - beq a4, 1f - ldq t0, 0(a4) - ldq t1, 8(a4) - stl t0, 0(sp) - stl t1, 4(sp) - mov sp, a4 - -1: ldi v0, SYS_ify(osf_select) - callsys - - mov ra, a0 - bne a3, $cancel_error - - /* ... and bounce the remaining timeout back. */ - ldq a4, 48(sp) - beq a4, 2f - ldl t0, 0(sp) - ldl t1, 4(sp) - stq t0, 0(a4) - stq t1, 8(a4) - -2: stq v0, 8(sp) - CDISABLE - ldq v0, 8(sp) - ldq ra, 40(sp) - - addq sp, 64, sp - ret - - .align 3 -$cancel_error: - stq v0, 8(sp) - CDISABLE - ldq v0, 8(sp) - ldq ra, 40(sp) -#endif - - .align 3 -$error: - addq sp, 64, sp - SYSCALL_ERROR_HANDLER - -END(SELECT) -#endif /* __ASSUME_TIMEVAL64 */ - -#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING -default_symbol_version (__select_tv64, __select, GLIBC_2.1) - -/* It seems to me to be a misfeature of the assembler that we can only - have one version-alias per symbol. So create an alias ourselves. - The 'p' is for 'public'. *Shrug* */ -strong_alias (__select_tv64, __select_tv64p) -default_symbol_version (__select_tv64p, select, GLIBC_2.1) -libc_hidden_ver (__select_tv64, __select) -strong_alias (__select_tv64, __libc_select) -#else -strong_alias (__select, __libc_select) -weak_alias (__select, select) -libc_hidden_def (__select) -#endif |