diff options
Diffstat (limited to 'ports/sysdeps/m68k/coldfire/sysdep.h')
| -rw-r--r-- | ports/sysdeps/m68k/coldfire/sysdep.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/ports/sysdeps/m68k/coldfire/sysdep.h b/ports/sysdeps/m68k/coldfire/sysdep.h new file mode 100644 index 0000000000..fc94adea37 --- /dev/null +++ b/ports/sysdeps/m68k/coldfire/sysdep.h @@ -0,0 +1,40 @@ +/* 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__ */ |