gas/tc.h

   1 /* tc.h - target cpu dependent
   2
   3    Copyright (C) 1987, 1990, 1991, 1992 Free Software Foundation, Inc.
   4
   5    This file is part of GAS, the GNU Assembler.
   6
   7    GAS is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2, or (at your option)
  10    any later version.
  11
  12    GAS is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GAS; see the file COPYING.  If not, write to
  19    the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 /* In theory (mine, at least!) the machine dependent part of the assembler
  22    should only have to include one file.  This one.  -- JF */
  23
  24 extern const pseudo_typeS md_pseudo_table[];
  25
  26 /* JF moved this here from as.h under the theory that nobody except MACHINE.c
  27    and write.c care about it anyway. */
  28
  29 struct relax_type
  30 {
  31   /* Forward reach. Signed number. > 0. */
  32   long rlx_forward;
  33   /* Backward reach. Signed number. < 0. */
  34   long rlx_backward;
  35
  36   /* Bytes length of this address. */
  37   unsigned char rlx_length;
  38
  39   /* Next longer relax-state.  0 means there is no 'next' relax-state. */
  40   relax_substateT rlx_more;
  41 };
  42
  43 typedef struct relax_type relax_typeS;
  44
  45 extern const relax_typeS md_relax_table[];      /* Define it in MACHINE.c */
  46
  47 extern int md_reloc_size;       /* Size of a relocation record */
  48
  49 extern void (*md_emit_relocations) ();
  50
  51 char *md_atof PARAMS ((int what_statement_type, char *literalP, int *sizeP));
  52 int md_estimate_size_before_relax PARAMS ((fragS * fragP, segT segment));
  53 int md_parse_option PARAMS ((char **argP, int *cntP, char ***vecP));
  54 long md_pcrel_from PARAMS ((fixS * fixP));
  55 short tc_coff_fix2rtype PARAMS ((fixS * fixP));
  56 void md_assemble PARAMS ((char *str));
  57 void md_begin PARAMS ((void));
  58 void md_create_long_jump PARAMS ((char *ptr, long from_addr, long to_addr,
  59                                   fragS * frag, symbolS * to_symbol));
  60 void md_create_short_jump PARAMS ((char *ptr, long from_addr, long to_addr,
  61                                    fragS * frag, symbolS * to_symbol));
  62 void md_end PARAMS ((void));
  63 void md_number_to_chars PARAMS ((char *buf, long val, int n));
  64
  65 #ifndef md_operand
  66 void md_operand PARAMS ((expressionS * expressionP));
  67 #endif
  68
  69 #ifdef BFD_ASSEMBLER
  70 int md_apply_fix PARAMS ((fixS * fixP, long *val));
  71 #ifndef md_convert_frag
  72 void md_convert_frag PARAMS ((bfd * headers, segT sec, fragS * fragP));
  73 #endif
  74 #ifndef tc_headers_hook
  75 void tc_headers_hook PARAMS ((segT *, fixS *));
  76 #endif
  77 #else
  78 void md_apply_fix PARAMS ((fixS * fixP, long val));
  79 #ifndef md_convert_frag
  80 void md_convert_frag PARAMS ((object_headers * headers, fragS * fragP));
  81 #endif
  82
  83 #ifndef tc_crawl_symbol_chain
  84 void tc_crawl_symbol_chain PARAMS ((object_headers * headers));
  85 #endif /* tc_crawl_symbol_chain */
  86
  87 #ifndef tc_headers_hook
  88 void tc_headers_hook PARAMS ((object_headers * headers));
  89 #endif /* tc_headers_hook */
  90 #endif /* BFD_ASSEMBLER */
  91
  92 #ifndef md_section_align
  93 long md_section_align PARAMS ((segT seg, long align));
  94 #endif
  95
  96 #ifndef md_undefined_symbol
  97 symbolS *md_undefined_symbol PARAMS ((char *name));
  98 #endif
  99
 100 #define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
 101 /* end of tc.h */
 102
 103