123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263 |
- /* Copyright (C) 1997-2017 Free Software Foundation, Inc.
- Contributed by Richard Henderson (rth@tamu.edu).
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #include <sysdep.h>
- #include "ucontext_i.h"
- /* int getcontext(ucontext_t *); */
- ENTRY(__getcontext)
- ldx [%o0 + UC_LINK], %o1 /* Preserve uc_link field, the
- trap clears it. */
- ta 0x6e
- 1:
- ldx [%o0 + UC_M_PC], %o2
- ldx [%o0 + UC_M_NPC], %o3
- ldx [%o0 + __UC_SIGMASK], %o4
- stx %o1, [%o0 + UC_LINK]
- add %o2, 2f - 1b, %o2
- stx %o2, [%o0 + UC_M_PC]
- add %o3, 2f - 1b, %o3
- stx %o3, [%o0 + UC_M_NPC]
- #if SIGMASK_WORDS == 16
- stx %o4, [%o0 + UC_SIGMASK]
- stx %g0, [%o0 + UC_SIGMASK + 8]
- stx %g0, [%o0 + UC_SIGMASK + 16]
- stx %g0, [%o0 + UC_SIGMASK + 24]
- stx %g0, [%o0 + UC_SIGMASK + 32]
- stx %g0, [%o0 + UC_SIGMASK + 40]
- stx %g0, [%o0 + UC_SIGMASK + 48]
- stx %g0, [%o0 + UC_SIGMASK + 56]
- stx %g0, [%o0 + UC_SIGMASK + 64]
- stx %g0, [%o0 + UC_SIGMASK + 72]
- stx %g0, [%o0 + UC_SIGMASK + 80]
- stx %g0, [%o0 + UC_SIGMASK + 88]
- stx %g0, [%o0 + UC_SIGMASK + 96]
- stx %g0, [%o0 + UC_SIGMASK + 104]
- stx %g0, [%o0 + UC_SIGMASK + 112]
- stx %g0, [%o0 + UC_SIGMASK + 120]
- #else
- # error Adjust __getcontext
- #endif
- 2:
- retl
- clr %o0
- END(__getcontext)
- weak_alias (__getcontext, getcontext)
|