1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* Assembler macros for Coldfire.
Copyright (C) 1998, 2003, 2010, 2012 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 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 <sysdeps/m68k/sysdep.h>
#ifdef __ASSEMBLER__
/* Perform operation OP with PC-relative SRC as the first operand and
DST as the second. TMP is available as a temporary if needed. */
# define PCREL_OP(OP, SRC, DST, TMP) \
move.l &SRC - ., TMP; OP (-8, %pc, TMP), DST
/* Load the address of the GOT into register R. */
# define LOAD_GOT(R) \
move.l &_GLOBAL_OFFSET_TABLE_@GOTPC, R; \
lea (-6, %pc, R), R
#else
/* As above, but PC is the spelling of the PC register. We need this
so that the macro can be used in both normal and extended asms. */
# define PCREL_OP(OP, SRC, DST, TMP, PC) \
"move.l #" SRC " - ., " TMP "\n\t" OP " (-8, " PC ", " TMP "), " DST
#endif /* __ASSEMBLER__ */
|
