projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| d614a753 | 1 | /* Copyright (C) 1997-2020 Free Software Foundation, Inc. |
| 41bdb6e2 | 2 | This file is part of the GNU C Library. |
| 5ae3e846 | 3 | Contributed by Richard Henderson (rth@tamu.edu). |
| 28f540f4 | 4 | |
| c84142e8 | 5 | The GNU C Library is free software; you can redistribute it and/or |
| 41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 28f540f4 | 9 | |
| c84142e8 UD |
10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 13 | Lesser General Public License for more details. |
| 28f540f4 | 14 | |
| 41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 | 16 | License along with the GNU C Library; if not, see |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| 28f540f4 | 18 | |
| 5ae3e846 | 19 | #include <sysdep.h> |
| 9bab9806 | 20 | #include "ucontext_i.h" |
| 28f540f4 | 21 | |
| 9bab9806 | 22 | /* int getcontext(ucontext_t *); */ |
| 28f540f4 | 23 | |
| 5ae3e846 | 24 | ENTRY(__getcontext) |
| 28f540f4 | 25 | |
| 9bab9806 UD |
26 | ldx [%o0 + UC_LINK], %o1 /* Preserve uc_link field, the |
| 27 | trap clears it. */ | |
| 5ae3e846 | 28 | ta 0x6e |
| 9bab9806 UD |
29 | 1: |
| 30 | ldx [%o0 + UC_M_PC], %o2 | |
| 31 | ldx [%o0 + UC_M_NPC], %o3 | |
| 32 | ldx [%o0 + __UC_SIGMASK], %o4 | |
| 33 | stx %o1, [%o0 + UC_LINK] | |
| 34 | add %o2, 2f - 1b, %o2 | |
| 35 | stx %o2, [%o0 + UC_M_PC] | |
| 36 | add %o3, 2f - 1b, %o3 | |
| 37 | stx %o3, [%o0 + UC_M_NPC] | |
| 38 | #if SIGMASK_WORDS == 16 | |
| 39 | stx %o4, [%o0 + UC_SIGMASK] | |
| 40 | stx %g0, [%o0 + UC_SIGMASK + 8] | |
| 41 | stx %g0, [%o0 + UC_SIGMASK + 16] | |
| 42 | stx %g0, [%o0 + UC_SIGMASK + 24] | |
| 43 | stx %g0, [%o0 + UC_SIGMASK + 32] | |
| 44 | stx %g0, [%o0 + UC_SIGMASK + 40] | |
| 45 | stx %g0, [%o0 + UC_SIGMASK + 48] | |
| 46 | stx %g0, [%o0 + UC_SIGMASK + 56] | |
| 47 | stx %g0, [%o0 + UC_SIGMASK + 64] | |
| 48 | stx %g0, [%o0 + UC_SIGMASK + 72] | |
| 49 | stx %g0, [%o0 + UC_SIGMASK + 80] | |
| 50 | stx %g0, [%o0 + UC_SIGMASK + 88] | |
| 51 | stx %g0, [%o0 + UC_SIGMASK + 96] | |
| 52 | stx %g0, [%o0 + UC_SIGMASK + 104] | |
| 53 | stx %g0, [%o0 + UC_SIGMASK + 112] | |
| 54 | stx %g0, [%o0 + UC_SIGMASK + 120] | |
| 55 | #else | |
| 56 | # error Adjust __getcontext | |
| 57 | #endif | |
| 58 | 2: | |
| 59 | retl | |
| 60 | clr %o0 | |
| 5ae3e846 UD |
61 | |
| 62 | END(__getcontext) | |
| 63 | ||
| 1ab18a5b | 64 | weak_alias (__getcontext, getcontext) |