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-rw-r--r--sysdeps/m68k/m680x0/sysdep.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/m68k/m680x0/sysdep.h b/sysdeps/m68k/m680x0/sysdep.h
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+/* Assembler macros for m680x0.
+ Copyright (C) 2010-2014 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) \
+ OP SRC(%pc), DST
+
+/* Load the address of the GOT into register R. */
+# define LOAD_GOT(R) \
+ lea _GLOBAL_OFFSET_TABLE_@GOTPC (%pc), 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) \
+ OP " " SRC "(" PC "), " DST
+
+#endif /* __ASSEMBLER__ */