| /* Copyright (C) 1997-2016 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sysdep.h> |
| |
| /* This source produces 3 functions: |
| __sigsetjmp (jmpbuf,savemask) |
| setjmp (jmpbuf) - equivalent to __sigsetjump (jmpbuf, 1) |
| _setjmp (jmpbuf) - equivalent to __sigsetjump (jmpbuf, 0) |
| */ |
| |
| #ifndef setjmp_name |
| # define setjmp_name __sigsetjmp |
| # define SET_MASK_ARG |
| #else |
| # define SET_MASK_ARG addik r6,r0,SAVEMASK |
| #endif |
| |
| ENTRY (setjmp_name) |
| swi r1,r5,0 |
| swi r2,r5,4 |
| swi r13,r5,8 |
| swi r14,r5,12 |
| swi r15,r5,16 |
| swi r16,r5,20 |
| swi r17,r5,24 |
| swi r18,r5,28 |
| swi r19,r5,32 |
| swi r20,r5,36 |
| swi r21,r5,40 |
| swi r22,r5,44 |
| swi r23,r5,48 |
| swi r24,r5,52 |
| swi r25,r5,56 |
| swi r26,r5,60 |
| swi r27,r5,64 |
| swi r28,r5,68 |
| swi r29,r5,72 |
| swi r30,r5,76 |
| swi r31,r5,80 |
| |
| SET_MASK_ARG |
| |
| /* Make a tail call to __sigjmp_save; it takes the same args. */ |
| #ifdef PIC |
| /* We cannot use the PLT, because it requires that r20 be set, but |
| we can't save and restore our caller's value. Instead, we do an |
| indirect jump through the GOT, using the temporary register |
| %ecx, which is call-clobbered. */ |
| mfs r12,rpc |
| addik r12,r12,_GLOBAL_OFFSET_TABLE_+8 |
| lwi r12,r12,__sigjmp_save@GOT |
| brad r12 |
| #else |
| brid __sigjmp_save |
| #endif |
| nop |
| END (setjmp_name) |
| |
| libc_hidden_def (setjmp_name) |