2006-07-26 22:53:49 +02:00
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/* libunwind - a platform-independent unwind library
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Copyright (C) 2004 Hewlett-Packard Co
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Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
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This file is part of libunwind.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/* The setcontext() in glibc is a no-op (as of 4 Dec 2004), so we have
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to implement something useful on our own here. */
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#define FILL(n) ldw (LINUX_UC_MCONTEXT_OFF+LINUX_SC_GR_OFF+4*(n))(%r26),%r##n
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#include "offsets.h"
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.align 4
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.global _Uhppa_setcontext
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.protected _Uhppa_setcontext
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.proc
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.callinfo
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_Uhppa_setcontext:
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FILL (2) /* return-pointer */
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FILL (3) /* frame pointer */
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FILL (4) /* 2nd-ary frame pointer */
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FILL (5) /* preserved register */
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FILL (6) /* preserved register */
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FILL (7) /* preserved register */
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FILL (8) /* preserved register */
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FILL (9) /* preserved register */
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FILL (10) /* preserved register */
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FILL (11) /* preserved register */
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FILL (12) /* preserved register */
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FILL (13) /* preserved register */
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FILL (14) /* preserved register */
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FILL (15) /* preserved register */
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FILL (16) /* preserved register */
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FILL (17) /* preserved register */
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FILL (18) /* preserved register */
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FILL (19) /* linkage-table register */
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FILL (27) /* global-data pointer */
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FILL (30) /* stack pointer */
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ldo (LINUX_UC_MCONTEXT_OFF+LINUX_SC_FR_OFF)(%r26), %r29
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fldds,ma 8(%r29), %fr12
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fldds,ma 8(%r29), %fr13
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fldds,ma 8(%r29), %fr14
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fldds,ma 8(%r29), %fr15
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fldds,ma 8(%r29), %fr16
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fldds,ma 8(%r29), %fr17
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fldds,ma 8(%r29), %fr18
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fldds,ma 8(%r29), %fr19
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fldds,ma 8(%r29), %fr20
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fldds 8(%r29), %fr21
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bv,n %r0(%rp)
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.procend
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