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sparc64 attempt

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rsc 2006-02-10 05:32:42 +00:00
parent 3f8c36d6dc
commit 0c7c441e90
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133
src/libthread/Linux-sparc64-context.S Normal file
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/* Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* Constants shared between setcontext() and getcontext(). Don't
install this header file. */
#define UC_LINK 0
#define __UC_SIGMASK 16
#define UC_M_PC 40
#define UC_M_NPC 48
#define UC_SIGMASK 536
#define SIGMASK_WORDS 16
/* Copyright (C) 1997, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
/*#include "ucontext_i.h" (up above) */
/* 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)
/* Copyright (C) 1997, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/*
#include <sysdep.h>
#include "ucontext_i.h"
*/
/* int setcontext(ucontext_t *ctx); */
.weak setcontext
ENTRY(setcontext)
mov 1, %o1
/* int __setcontext(ucontext_t *ctx, int restoremask); */
ENTRY(__setcontext)
ldx [%o0 + UC_SIGMASK], %o2
stx %o2, [%o0 + __UC_SIGMASK]
ta 0x6f
END(__setcontext)