| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2011-2016 Free Software Foundation, Inc. | 
|  | 2 | This file is part of the GNU C Library. | 
|  | 3 | Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. | 
|  | 4 |  | 
|  | 5 | The GNU C Library is free software; you can redistribute it and/or | 
|  | 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. | 
|  | 9 |  | 
|  | 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 | 
|  | 13 | Lesser General Public License for more details. | 
|  | 14 |  | 
|  | 15 | You should have received a copy of the GNU Lesser General Public | 
|  | 16 | License along with the GNU C Library.  If not, see | 
|  | 17 | <http://www.gnu.org/licenses/>.  */ | 
|  | 18 |  | 
|  | 19 | #include <sysdep.h> | 
|  | 20 | #include <jmpbuf-offsets.h> | 
|  | 21 |  | 
|  | 22 | .text | 
|  | 23 |  | 
|  | 24 | /* Keep traditional entry points in with sigsetjmp(). */ | 
|  | 25 | ENTRY(setjmp) | 
|  | 26 | { movei r1, 1; j 1f } | 
|  | 27 | END(setjmp) | 
|  | 28 |  | 
|  | 29 | ENTRY(_setjmp) | 
|  | 30 | { movei r1, 0; j 1f } | 
|  | 31 | END(_setjmp) | 
|  | 32 | libc_hidden_def (_setjmp) | 
|  | 33 |  | 
|  | 34 | ENTRY(__sigsetjmp) | 
|  | 35 | FEEDBACK_ENTER(__sigsetjmp) | 
|  | 36 | 1: | 
|  | 37 | move r2, r0 | 
|  | 38 |  | 
|  | 39 | #define SAVE(r) { ST r2, r ; ADDI_PTR r2, r2, REGSIZE } | 
|  | 40 | FOR_EACH_CALLEE_SAVED_REG(SAVE) | 
|  | 41 |  | 
|  | 42 | mfspr r3, INTERRUPT_CRITICAL_SECTION | 
|  | 43 | ST r2, r3 | 
|  | 44 | j plt(__sigjmp_save) | 
|  | 45 | jrp lr   /* Keep the backtracer happy. */ | 
|  | 46 | END(__sigsetjmp) |