diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/tile/swapcontext.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/tile/swapcontext.S | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/sysdeps/unix/sysv/linux/tile/swapcontext.S b/sysdeps/unix/sysv/linux/tile/swapcontext.S deleted file mode 100644 index 1778dfaa22..0000000000 --- a/sysdeps/unix/sysv/linux/tile/swapcontext.S +++ /dev/null @@ -1,89 +0,0 @@ -/* Copyright (C) 2011-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. - - 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> - -#include "ucontext_i.h" - -/* int swapcontext (ucontext_t *oucp, const ucontext_t *ucp) */ - - .text -ENTRY (__swapcontext) - FEEDBACK_ENTER(__swapcontext) - /* Set up a frame and save r0 and r1. */ - { - ST sp, lr - ADDI_PTR r11, sp, -(3 * REGSIZE) - move r10, sp - } - ADDI_PTR sp, sp, -(4 * REGSIZE) - cfi_def_cfa_offset (4 * REGSIZE) - cfi_offset (lr, 0) - { - ST r11, r10 - ADDI_PTR r10, sp, (2 * REGSIZE) - } - { - ST r10, r0 - ADDI_PTR r10, sp, (3 * REGSIZE) - } - ST r10, r1 - - /* Save the current context. */ - jal __getcontext - - /* Tear down the frame and restore r0, r1, and lr. */ - { - BNEZ r0, .Lerror - ADDI_PTR r1, sp, 3 * REGSIZE - } - { - LD r1, r1 - ADDI_PTR r0, sp, 2 * REGSIZE - } - { - LD r0, r0 - ADDI_PTR sp, sp, 4 * REGSIZE - } - cfi_def_cfa_offset (0) - { - LD lr, sp - ADDLI_PTR r10, r0, UC_REG(54) - } - - /* Update the stored sp and lr. */ - { - ST r10, sp - ADDLI_PTR r10, r0, UC_REG(55) - } - ST r10, lr - - /* Tail-call setcontext to finish up. */ - { - move r0, r1 - j __setcontext - } - -.Lerror: - ADDI_PTR sp, sp, 4 * REGSIZE - cfi_def_cfa_offset (0) - LD lr, sp - jrp lr -END (__swapcontext) - -weak_alias (__swapcontext, swapcontext) |