1/* libunwind - a platform-independent unwind library 2 Copyright (C) 2003-2004 Hewlett-Packard Co 3 Contributed by David Mosberger-Tang <davidm@hpl.hp.com> 4 5This file is part of libunwind. 6 7Permission is hereby granted, free of charge, to any person obtaining 8a copy of this software and associated documentation files (the 9"Software"), to deal in the Software without restriction, including 10without limitation the rights to use, copy, modify, merge, publish, 11distribute, sublicense, and/or sell copies of the Software, and to 12permit persons to whom the Software is furnished to do so, subject to 13the following conditions: 14 15The above copyright notice and this permission notice shall be 16included in all copies or substantial portions of the Software. 17 18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 22LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 25 26#include "jmpbuf.h" 27 28 .align 32 29 30 .global _setjmp 31 32 .proc _setjmp 33 34_setjmp: 35 mov r2 = ar.bsp 36 st8 [r32] = r12 // jmp_buf[JB_SP] = sp 37 mov r3 = rp 38 39 adds r16 = JB_RP*8, r32 40 adds r17 = JB_BSP*8, r32 41 mov r8 = 0 42 ;; 43 st8 [r16] = r3 // jmp_buf[JB_RP] = rp 44 st8 [r17] = r2 // jmp_buf[JB_BSP] = bsp 45 br.ret.sptk.many rp 46 47 .endp _setjmp 48#ifdef __linux__ 49 /* We do not need executable stack. */ 50 .section .note.GNU-stack,"",@progbits 51#endif 52