diff options
Diffstat (limited to 'sysdeps/tile/setjmp.S')
| -rw-r--r-- | sysdeps/tile/setjmp.S | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/tile/setjmp.S b/sysdeps/tile/setjmp.S new file mode 100644 index 0000000000..a2f34251a0 --- /dev/null +++ b/sysdeps/tile/setjmp.S @@ -0,0 +1,46 @@ +/* Copyright (C) 2011-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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> +#include <jmpbuf-offsets.h> + + .text + + /* Keep traditional entry points in with sigsetjmp(). */ +ENTRY(setjmp) + { movei r1, 1; j 1f } +END(setjmp) + +ENTRY(_setjmp) + { movei r1, 0; j 1f } +END(_setjmp) +libc_hidden_def (_setjmp) + +ENTRY(__sigsetjmp) + FEEDBACK_ENTER(__sigsetjmp) +1: + move r2, r0 + +#define SAVE(r) { ST r2, r ; ADDI_PTR r2, r2, REGSIZE } + FOR_EACH_CALLEE_SAVED_REG(SAVE) + + mfspr r3, INTERRUPT_CRITICAL_SECTION + ST r2, r3 + j plt(__sigjmp_save) + jrp lr /* Keep the backtracer happy. */ +END(__sigsetjmp) |