freebsd-dev/gnu/usr.bin/as/frags.h
1997-02-22 15:48:31 +00:00

90 lines
2.2 KiB
C

/* frags.h - Header file for the frag concept.
Copyright (C) 1987, 1992 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GAS 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
* $Id$
*/
extern struct obstack frags;
/* Frags ONLY live in this obstack. */
/* We use obstack_next_free() macro */
/* so please don't put any other objects */
/* on this stack! */
/*
* A macro to speed up appending exactly 1 char
* to current frag.
*/
/* JF changed < 1 to <= 1 to avoid a race conditon */
#define FRAG_APPEND_1_CHAR(datum) \
{ \
if (obstack_room( &frags ) <= 1) {\
frag_wane (frag_now); \
frag_new (0); \
} \
obstack_1grow( &frags, datum ); \
}
#if __STDC__ == 1
char *frag_more(int nchars);
void frag_align(int alignment, int fill_character);
void frag_new(int old_frags_var_max_size);
void frag_wane(fragS *fragP);
char *frag_variant(relax_stateT type,
int max_chars,
int var,
relax_substateT subtype,
symbolS *symbol,
long offset,
char *opcode,
int pcrel_adjust,
int bsr);
char *frag_var(relax_stateT type,
int max_chars,
int var,
relax_substateT subtype,
symbolS *symbol,
long offset,
char *opcode);
#else /* not __STDC__ */
char *frag_more();
char *frag_var();
char *frag_variant();
void frag_align();
void frag_new();
void frag_wane();
#endif /* not __STDC__ */
/*
* Local Variables:
* comment-column: 0
* fill-column: 131
* End:
*/
/* end of frags.h */