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- /* libunwind - a platform-independent unwind library
- Copyright (C) 2003-2004 Hewlett-Packard Co
- Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
- This file is part of libunwind.
- Permission is hereby granted, free of charge, to any person obtaining
- a copy of this software and associated documentation files (the
- "Software"), to deal in the Software without restriction, including
- without limitation the rights to use, copy, modify, merge, publish,
- distribute, sublicense, and/or sell copies of the Software, and to
- permit persons to whom the Software is furnished to do so, subject to
- the following conditions:
- The above copyright notice and this permission notice shall be
- included in all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
- #define SIG_SETMASK 2
- .global _UI_siglongjmp_cont
- .global sigprocmask
- .align 32
- .proc siglongjmp_continuation
- siglongjmp_continuation:
- _UI_siglongjmp_cont: // non-function label for siglongjmp.c
- .prologue
- .save rp, r15
- .body
- nop 0
- nop 0
- br.call.sptk.many b6 = .next
- ;;
- .prologue
- .save ar.pfs, r33
- .next: alloc loc1 = ar.pfs, 0, 3, 3, 0
- /*
- * Note: we can use the scratch stack are because the caller
- * of sigsetjmp() by definition is not a leaf-procedure.
- */
- st8 [sp] = r17 // store signal mask
- .save rp, loc0
- mov loc0 = r15 // final continuation point
- ;;
- .body
- mov loc2 = r16 // value to return in r8
- mov out0 = SIG_SETMASK
- mov out1 = sp
- mov out2 = r0
- br.call.sptk.many rp = sigprocmask
- ;;
- mov rp = loc0
- mov ar.pfs = loc1
- mov r8 = loc2
- br.ret.sptk.many rp
- .endp siglongjmp_continuation
- #ifdef __linux__
- /* We do not need executable stack. */
- .section .note.GNU-stack,"",@progbits
- #endif
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