42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
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/* frags.h - Header file for the frag concept.
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Copyright (C) 1987 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GAS 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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extern struct obstack frags;
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/* Frags ONLY live in this obstack. */
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/* We use obstack_next_free() macro */
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/* so please don't put any other objects */
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/* on this stack! */
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/*
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* A macro to speed up appending exactly 1 char
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* to current frag.
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*/
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/* JF changed < 1 to <= 1 to avoid a race conditon */
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#define FRAG_APPEND_1_CHAR(datum) \
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{ \
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if (obstack_room( &frags ) <= 1) {\
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frag_wane (frag_now); \
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frag_new (0); \
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} \
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obstack_1grow( &frags, datum ); \
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}
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/* end: frags.h */
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