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Diffstat (limited to 'sysdeps/unix/alpha/sysdep.S')
| -rw-r--r-- | sysdeps/unix/alpha/sysdep.S | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/sysdeps/unix/alpha/sysdep.S b/sysdeps/unix/alpha/sysdep.S deleted file mode 100644 index c67a6542f6..0000000000 --- a/sysdeps/unix/alpha/sysdep.S +++ /dev/null @@ -1,135 +0,0 @@ -/* Copyright (C) 1993, 1996, 1998, 2002, 2003, 2004 - Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Brendan Kehoe (brendan@zen.org). - - 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.h> -#include <features.h> - -#if defined(__ELF__) && defined(PIC) - /* Put this at the end of libc's text segment so that all of - the direct branches from the syscalls are forward, and - thus predicted not taken. */ - .section .text.last, "ax", @progbits -#else - .text -#endif - -#ifdef PIC - /* When building a shared library, we branch here without - having loaded the GP. Nor, since it was a direct branch, - have we loaded PV with our address. Do both. */ -# define LOADGP br pv, 1f; 1: ldgp gp, 0(pv) -# define PROLOGUE .prologue 0 -# define EPILOGUE -#else - /* When building the static library, we tail call here from - elsewhere, which might use a different GP. The entertaining - part is that we have to return with the GP of our caller - in place, so that linker relaxation works properly. */ - /* ??? This is so ugly. Consider always putting the errno - setting code with the syscall in the static case. */ -# define GPSAVEREG t10 -# define LOADGP ldah t11, 0(pv) !gpdisp!1; \ - br 1f; \ - .subsection 2; \ - 1: mov gp, GPSAVEREG; \ - lda gp, 0(t11) !gpdisp!1; \ - br 2f; \ - .previous; \ - mov gp, GPSAVEREG; \ - 2: -# define PROLOGUE .prologue 1 -# define EPILOGUE mov GPSAVEREG, gp -#endif - - .align 4 - .globl __syscall_error - .ent __syscall_error -__syscall_error: - -#if defined(_LIBC_REENTRANT) && USE___THREAD - -#ifndef NOT_IN_libc -# define SYSCALL_ERROR_ERRNO __libc_errno -#else -# define SYSCALL_ERROR_ERRNO errno -#endif - - LOADGP - PROLOGUE - mov v0, t0 - call_pal PAL_rduniq - ldq t1, SYSCALL_ERROR_ERRNO(gp) !gottprel - addq v0, t1, v0 - stl t0, 0(v0) - lda v0, -1 - EPILOGUE - ret - -#elif defined(_LIBC_REENTRANT) - - LOADGP - lda sp, -32(sp) - .frame sp, 32, ra, 0 - stq ra, 0(sp) - stq v0, 8(sp) -#ifdef GPSAVEREG - stq GPSAVEREG, 16(sp) -#endif - .mask 0x4000001, -32 - PROLOGUE - - /* Find our per-thread errno address */ -#if defined PIC && !defined IS_IN_librt - bsr ra, __errno_location !samegp -#else - jsr ra, __errno_location -#ifndef GPSAVEREG - ldgp gp, 0(ra) -#endif -#endif - - /* Store the error value. */ - ldq t0, 8(sp) - stl t0, 0(v0) - - /* And kick back a -1. */ - ldi v0, -1 - -#ifdef GPSAVEREG - ldq GPSAVEREG, 16(sp) -#endif - ldq ra, 0(sp) - lda sp, 32(sp) - EPILOGUE - ret - -#else - - LOADGP - PROLOGUE - stl v0, errno - lda v0, -1 - EPILOGUE - ret - -#endif - - .subsection 3 - .end __syscall_error |