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fixes.h
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1993-09-09
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/* fixes.h (was write.h in the original GAS)
Copyright (C) 1987 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 1, 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. */
/*
* For machines with machine dependent relocation types (encoded in the r_type
* field of a relocation_info struct) they use NO_RELOC in assembling
* instructions which they want to indicate have no relocation.
*/
#define NO_RELOC 0x10 /* above the range of r_type:4 */
/*
* FixSs may be built up in any order.
*/
struct fix {
fragS *fx_frag; /* which frag? */
long int fx_where; /* where is the 1st byte to fix up? */
symbolS *fx_addsy; /* NULL or Symbol whose value we add in */
symbolS *fx_subsy; /* NULL or Symbol whose value we subtract */
long int fx_offset; /* absolute number we add in */
struct fix *fx_next; /* NULL or -> next fixS */
char fx_size; /* how many bytes are involved? */
char fx_pcrel; /* TRUE: pc-relative. */
char fx_pcrel_reloc;/* force a pc-relative relocatation entry */
char fx_r_type; /* relocation type */
long fx_value; /* the relocated value placed in the frag */
};
typedef struct fix fixS;
extern void fix_new(
fragS *frag, /* which frag? */
int where, /* where in that frag? */
int size, /* 1, 2 or 4 bytes */
symbolS *add_symbol, /* X_add_symbol */
symbolS *sub_symbol, /* X_subtract_symbol */
long offset, /* X_add_number */
int pcrel, /* TRUE if PC-relative */
int pcrel_reloc, /* TRUE if must have relocation entry */
int r_type); /* relocation type */