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68b7efaadb
Also fixed the following whitespace nits to satisfy the push: sysdeps/alpha/alphaev6/memset.S:142: space before tab in indent. sysdeps/alpha/configure:1: new blank line at EOF. sysdeps/alpha/fpu/e_sqrt.c:126: space before tab in indent. sysdeps/alpha/preconfigure:1: new blank line at EOF. sysdeps/unix/sysv/linux/alpha/syscalls.list:1: new blank line at EOF.
51 lines
1.3 KiB
ArmAsm
51 lines
1.3 KiB
ArmAsm
/* Save current context and install the given one.
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Copyright (C) 2004-2014 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <ucontext-offsets.h>
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ENTRY(__swapcontext)
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#ifdef PROF
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ldgp $29, 0($27)
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.set noat
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lda AT, _mcount
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jsr AT, (AT), _mcount
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.set at
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.prologue 1
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#elif defined PIC
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.prologue 0
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#else
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ldgp $29, 0($27)
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.prologue 1
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#endif
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#ifdef PIC
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unop
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bsr $0, __getcontext_x !samegp
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mov $17, $16
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br $31, __setcontext !samegp
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#else
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jsr $0, __getcontext_x
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mov $17, $16
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jmp $31, __setcontext
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#endif
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END(__swapcontext)
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weak_alias (__swapcontext, swapcontext)
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