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688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
76 lines
2.1 KiB
ArmAsm
76 lines
2.1 KiB
ArmAsm
/* Copyright (C) 1997-2018 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 License as
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published by the Free Software Foundation; either version 2.1 of the
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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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/* This source produces 3 functions:
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__sigsetjmp (jmpbuf,savemask)
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setjmp (jmpbuf) - equivalent to __sigsetjump (jmpbuf, 1)
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_setjmp (jmpbuf) - equivalent to __sigsetjump (jmpbuf, 0)
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*/
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#ifndef setjmp_name
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# define setjmp_name __sigsetjmp
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# define SET_MASK_ARG
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#else
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# define SET_MASK_ARG addik r6,r0,SAVEMASK
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#endif
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ENTRY (setjmp_name)
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swi r1,r5,0
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swi r2,r5,4
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swi r13,r5,8
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swi r14,r5,12
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swi r15,r5,16
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swi r16,r5,20
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swi r17,r5,24
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swi r18,r5,28
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swi r19,r5,32
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swi r20,r5,36
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swi r21,r5,40
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swi r22,r5,44
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swi r23,r5,48
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swi r24,r5,52
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swi r25,r5,56
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swi r26,r5,60
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swi r27,r5,64
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swi r28,r5,68
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swi r29,r5,72
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swi r30,r5,76
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swi r31,r5,80
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SET_MASK_ARG
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/* Make a tail call to __sigjmp_save; it takes the same args. */
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#ifdef PIC
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/* We cannot use the PLT, because it requires that r20 be set, but
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we can't save and restore our caller's value. Instead, we do an
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indirect jump through the GOT, using the temporary register
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%ecx, which is call-clobbered. */
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mfs r12,rpc
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addik r12,r12,_GLOBAL_OFFSET_TABLE_+8
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lwi r12,r12,__sigjmp_save@GOT
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brad r12
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#else
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brid __sigjmp_save
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#endif
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nop
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END (setjmp_name)
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libc_hidden_def (setjmp_name)
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