diff options
Diffstat (limited to 'ports/sysdeps/tile/jmpbuf-offsets.h')
| -rw-r--r-- | ports/sysdeps/tile/jmpbuf-offsets.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/ports/sysdeps/tile/jmpbuf-offsets.h b/ports/sysdeps/tile/jmpbuf-offsets.h new file mode 100644 index 0000000000..26c3e67db2 --- /dev/null +++ b/ports/sysdeps/tile/jmpbuf-offsets.h @@ -0,0 +1,62 @@ +/* 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])) |