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41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
/* Assembler macros for Coldfire.
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Copyright (C) 1998-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdeps/m68k/sysdep.h>
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#ifdef __ASSEMBLER__
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/* Perform operation OP with PC-relative SRC as the first operand and
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DST as the second. TMP is available as a temporary if needed. */
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# define PCREL_OP(OP, SRC, DST, TMP) \
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move.l &SRC - ., TMP; OP (-8, %pc, TMP), DST
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/* Load the address of the GOT into register R. */
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# define LOAD_GOT(R) \
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move.l &_GLOBAL_OFFSET_TABLE_@GOTPC, R; \
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lea (-6, %pc, R), R
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#else
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/* As above, but PC is the spelling of the PC register. We need this
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so that the macro can be used in both normal and extended asms. */
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# define PCREL_OP(OP, SRC, DST, TMP, PC) \
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"move.l #" SRC " - ., " TMP "\n\t" OP " (-8, " PC ", " TMP "), " DST
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#endif /* __ASSEMBLER__ */
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