1/* Copyright (C) 1991-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18#include <sysdep.h> 19#include <sys/trap.h> 20 21#include <jmpbuf-offsets.h> 22 23ENTRY(_setjmp) 24 b 1f 25 set 0, %o1 26END(_setjmp) 27libc_hidden_def (_setjmp) 28 29ENTRY(setjmp) 30 set 1, %o1 31END(setjmp) 32 33ENTRY (__sigsetjmp) 341: 35 /* Save our PC, SP and FP. Save the signal mask if requested with 36 a tail-call for simplicity; it always returns zero. */ 37 ta ST_FLUSH_WINDOWS 38 39#ifdef PTR_MANGLE 40 PTR_MANGLE (%g1, %o7, %g4) 41 PTR_MANGLE2 (%g2, %sp, %g4) 42 PTR_MANGLE2 (%g3, %fp, %g4) 43 st %g1, [%o0 + (JB_PC * 4)] 44 st %g2, [%o0 + (JB_SP * 4)] 45 st %g3, [%o0 + (JB_FP * 4)] 46#else 47 st %o7, [%o0 + (JB_PC * 4)] 48 st %sp, [%o0 + (JB_SP * 4)] 49 st %fp, [%o0 + (JB_FP * 4)] 50#endif 51 52 mov %o7, %g1 53 call __sigjmp_save 54 mov %g1, %o7 55END(__sigsetjmp) 56hidden_def (__sigsetjmp) 57 58weak_extern(_setjmp) 59weak_extern(setjmp) 60