1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
|
/* Copyright (C) 1997-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://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)
|