31 lines
1.3 KiB
ArmAsm
31 lines
1.3 KiB
ArmAsm
/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. Alpha version.
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Copyright (C) 1994 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 Library General Public License as
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published by the Free Software Foundation; either version 2 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
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We cannot do it in C because it must be a tail-call, so frame-unwinding
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in setjmp doesn't clobber the state restored by longjmp. */
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#include <sysdep.h>
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ENTRY (setjmp)
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lda $27, __sigsetjmp /* Load address to jump to. */
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bis $31, 1, $17 /* Pass a second argument of one. */
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jmp $31, ($27), __sigsetjmp /* Call __sigsetjmp. */
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.end setjmp
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