85e38cfa01
* ld.texinfo: new doc. * ldgram.y, ldlex.l: understand -y<symbol> * ldmain.c (Q_enter_file_symbols): if had -y, lookup symbol and print info. (add_ysym): new function. * ldsym.h: (ldsym_type): new define SYM_Y.
78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/* ldsym.h -
|
|
Copyright (C) 1991 Free Software Foundation, Inc.
|
|
|
|
This file is part of GLD, the Gnu Linker.
|
|
|
|
This program 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 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
typedef struct user_symbol_struct
|
|
{
|
|
/* Point to next symbol in this hash chain */
|
|
struct user_symbol_struct *link;
|
|
|
|
/* Name of this symbol. */
|
|
CONST char *name;
|
|
|
|
/* Pointer to next symbol in order of symbol creation */
|
|
struct user_symbol_struct *next;
|
|
|
|
/* Chain of asymbols we see from input files
|
|
note that we point to the entry in the canonical table of
|
|
the pointer to the asymbol, *not* the asymbol. This means
|
|
that we can run back and fix all refs to point to the
|
|
defs nearly for free.
|
|
*/
|
|
asymbol **srefs_chain;
|
|
asymbol **sdefs_chain;
|
|
|
|
/* only ever point to the largest ever common definition -
|
|
* all the rest are turned into refs
|
|
* scoms and sdefs are never != NULL at same time
|
|
*/
|
|
asymbol **scoms_chain;
|
|
|
|
|
|
|
|
|
|
|
|
/* If this symbol is a constructor */
|
|
#define SYM_CONSTRUCTOR 1
|
|
/* If this symbol is a warning symbol */
|
|
#define SYM_WARNING 2
|
|
/* IF this is an alias for another symbol */
|
|
#define SYM_INDIRECT 4
|
|
/* If this symbol explicitly should be kept, despite discarding
|
|
most others. */
|
|
#define SYM_KEEP 8
|
|
/* If its got -y set */
|
|
#define SYM_Y 16
|
|
int flags;
|
|
} ldsym_type;
|
|
|
|
extern CONST char *keepsyms_file;
|
|
extern int kept_syms;
|
|
|
|
ldsym_type *ldsym_get PARAMS ((CONST char *));
|
|
ldsym_type *ldsym_get_soft PARAMS ((CONST char *));
|
|
void ldsym_print_symbol_table PARAMS ((void));
|
|
void ldsym_write PARAMS ((void));
|
|
boolean ldsym_undefined PARAMS ((CONST char *));
|
|
|
|
#define FOR_EACH_LDSYM(x) \
|
|
extern ldsym_type *symbol_head; \
|
|
ldsym_type *x; \
|
|
for (x = symbol_head; x != (ldsym_type *)NULL; x = x->next)
|
|
|
|
void ldsym_init PARAMS ((void));
|