diff options
Diffstat (limited to 'sysdeps/sparc/sparc32/setjmp.S')
-rw-r--r-- | sysdeps/sparc/sparc32/setjmp.S | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc32/setjmp.S b/sysdeps/sparc/sparc32/setjmp.S new file mode 100644 index 0000000000..772ec723a3 --- /dev/null +++ b/sysdeps/sparc/sparc32/setjmp.S @@ -0,0 +1,54 @@ +/* Copyright (C) 1991, 1993, 1994, 1996, 1997 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <sysdep.h> +#include <sys/trap.h> + +#define _ASM 1 +#include <bits/setjmp.h> + +ENTRY (__sigsetjmp) + /* Save our SP and FP; in the delay slot of the jump, save our + return PC. Save the signal mask if requested with a tail-call + for simplicity; it always returns zero. */ + ta ST_FLUSH_WINDOWS +#ifdef PIC + mov %o7,%g1 +2: + call 1f + nop +1: + sethi %hi(_GLOBAL_OFFSET_TABLE_-(2b-.)),%g2 + or %g2,%lo(_GLOBAL_OFFSET_TABLE_-(2b-.)),%g2 + add %g2,%o7,%g2 + sethi %hi(C_SYMBOL_NAME (__sigjmp_save)), %g3 + or %g3,%lo(C_SYMBOL_NAME (__sigjmp_save)), %g3 + st %sp, [%o0 + (JB_SP * 4)] + st %fp, [%o0 + (JB_FP * 4)] + mov %g1,%o7 + ld [%g2+%g3],%g1 + jmp %g1 + st %o7, [%o0+(JB_PC*4)] +#else + sethi %hi(C_SYMBOL_NAME (__sigjmp_save)), %g1 + st %sp, [%o0 + (JB_SP*4)] + or %lo(C_SYMBOL_NAME (__sigjmp_save)), %g1, %g1 + st %fp, [%o0 + (JB_FP*4)] + jmp %g1 + st %o7, [%o0 + (JB_PC*4)] +#endif /* PIC */ |