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      1 /* libunwind - a platform-independent unwind library
      2    Copyright (C) 2004 Hewlett-Packard Co
      3 	Contributed by David Mosberger-Tang <davidm (at) hpl.hp.com>
      4 
      5 This file is part of libunwind.
      6 
      7 Permission is hereby granted, free of charge, to any person obtaining
      8 a copy of this software and associated documentation files (the
      9 "Software"), to deal in the Software without restriction, including
     10 without limitation the rights to use, copy, modify, merge, publish,
     11 distribute, sublicense, and/or sell copies of the Software, and to
     12 permit persons to whom the Software is furnished to do so, subject to
     13 the following conditions:
     14 
     15 The above copyright notice and this permission notice shall be
     16 included in all copies or substantial portions of the Software.
     17 
     18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     21 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
     22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
     25 
     26 #define SPILL(n) stw %r##n, (LINUX_UC_MCONTEXT_OFF+LINUX_SC_GR_OFF+4*(n))(%r26)
     27 
     28 #include "offsets.h"
     29 
     30 	.align 4
     31 	.protected _Uhppa_getcontext
     32 	.global _Uhppa_getcontext
     33 	.proc
     34 	.callinfo
     35 _Uhppa_getcontext:
     36 	SPILL (2)		/* return-pointer */
     37 	SPILL (3)		/* frame pointer */
     38 	SPILL (4)		/* 2nd-ary frame pointer */
     39 	SPILL (5)		/* preserved register */
     40 	SPILL (6)		/* preserved register */
     41 	SPILL (7)		/* preserved register */
     42 	SPILL (8)		/* preserved register */
     43 	SPILL (9)		/* preserved register */
     44 	SPILL (10)		/* preserved register */
     45 	SPILL (11)		/* preserved register */
     46 	SPILL (12)		/* preserved register */
     47 	SPILL (13)		/* preserved register */
     48 	SPILL (14)		/* preserved register */
     49 	SPILL (15)		/* preserved register */
     50 	SPILL (16)		/* preserved register */
     51 	SPILL (17)		/* preserved register */
     52 	SPILL (18)		/* preserved register */
     53 	SPILL (19)		/* linkage-table register */
     54 	SPILL (27)		/* global-data pointer */
     55 	SPILL (30)		/* stack pointer */
     56 
     57 	ldo (LINUX_UC_MCONTEXT_OFF+LINUX_SC_FR_OFF)(%r26), %r29
     58 	fstds,ma %fr12, 8(%r29)
     59 	fstds,ma %fr13, 8(%r29)
     60 	fstds,ma %fr14, 8(%r29)
     61 	fstds,ma %fr15, 8(%r29)
     62 	fstds,ma %fr16, 8(%r29)
     63 	fstds,ma %fr17, 8(%r29)
     64 	fstds,ma %fr18, 8(%r29)
     65 	fstds,ma %fr19, 8(%r29)
     66 	fstds,ma %fr20, 8(%r29)
     67 	fstds    %fr21, 8(%r29)
     68 
     69 	bv,n	%r0(%rp)
     70 	.procend
     71 #ifdef __linux__
     72 	/* We do not need executable stack.  */
     73 	.section	.note.GNU-stack,"",@progbits
     74 #endif
     75