glibc/ports/sysdeps/tile/jmpbuf-offsets.h

63 lines
2.1 KiB
C

/* Copyright (C) 2011 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/>. */
/* We don't use most of these symbols; they are here for documentation. */
#define JB_R30 0
#define JB_R31 1
#define JB_R32 2
#define JB_R33 3
#define JB_R34 4
#define JB_R35 5
#define JB_R36 6
#define JB_R37 7
#define JB_R38 8
#define JB_R39 9
#define JB_R40 10
#define JB_R41 11
#define JB_R42 12
#define JB_R43 13
#define JB_R44 14
#define JB_R45 15
#define JB_R46 16
#define JB_R47 17
#define JB_R48 18
#define JB_R49 19
#define JB_R50 20
#define JB_R51 21
#define JB_FP 22 /* r52 */
#define JB_TP 23 /* r53 */
#define JB_SP 24 /* r54 */
#define JB_PC 25 /* normally LR, r55 */
#define JB_ICS 26 /* interrupt critical section bit */
/* We save space for some extra state to accomodate future changes. */
#define JB_LEN 32 /* number of words */
#define JB_SIZE (JB_LEN * REGSIZE)
/* Helper macro used by all the setjmp/longjmp assembly code. */
#define FOR_EACH_CALLEE_SAVED_REG(f) \
.no_require_canonical_reg_names; f(r30); f(r31); \
f(r32); f(r33); f(r34); f(r35); f(r36); f(r37); f(r38); f(r39); \
f(r40); f(r41); f(r42); f(r43); f(r44); f(r45); f(r46); f(r47); \
f(r48); f(r49); f(r50); f(r51); f(r52); f(r53); f(r54); f(r55)
/* Helper for generic ____longjmp_chk(). */
#define JB_FRAME_ADDRESS(buf) \
((void *) (unsigned long) (buf[JB_SP]))