| /* 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. */ |
| |
| #define ENTRY(x) x: |
| #define END(x) |
| |
| /*#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) |
| |
| /* 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) |
| |
