gas/config/tc-dvp.h

   1 /* tc-dvp.h -- Header file for tc-dvp.c.
   2    Copyright (C) 1997, 1998 Free Software Foundation, Inc.
   3
   4    This file is part of GAS, the GNU Assembler.
   5
   6    GAS is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2, or (at your option)
   9    any later version.
  10
  11    GAS is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GAS; see the file COPYING.  If not, write to
  18    the Free Software Foundation, 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA. */
  20
  21 #define TC_DVP
  22
  23 #ifndef BFD_ASSEMBLER
  24 /* leading space so will compile with cc */
  25  #error DVP support requires BFD_ASSEMBLER
  26 #endif
  27
  28 #define LISTING_HEADER "DVP GAS "
  29
  30 /* The target BFD architecture.  */
  31 #define TARGET_ARCH bfd_arch_mips
  32
  33 #define TARGET_FORMAT "elf32-littlemips"
  34
  35 #define TARGET_BYTES_BIG_ENDIAN 0
  36
  37 /* call md_pcrel_from_section, not md_pcrel_from */
  38 #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC)
  39
  40 /* Permit temporary numeric labels.  */
  41 #define LOCAL_LABELS_FB 1
  42
  43 #define DIFF_EXPR_OK            /* .-foo gets turned into PC relative relocs */
  44
  45 /* We don't need to handle .word strangely.  */
  46 #define WORKING_DOT_WORD
  47
  48 /* Handle mpg/direct alignment requirements with relaxation.  */
  49 extern long dvp_relax_frag PARAMS ((fragS *, long));
  50 #define md_relax_frag(fragP,stretch) dvp_relax_frag ((fragP), (stretch))
  51
  52 #define MD_APPLY_FIX3
  53
  54 /* Ensure insns at labels have their mach type properly recorded.  */
  55 int force_mach_label PARAMS ((void));
  56 #define TC_START_LABEL(ch, ptr) (ch == ':' && force_mach_label ())
  57
  58 #define TC_HANDLES_FX_DONE
  59
  60 /* Record user specified val, for cases where we can't compute the actual
  61    value until the end of assembly.  */
  62 #define TC_FIX_TYPE \
  63 struct { \
  64   int type; /* gif_type, or vif type */ \
  65   int nregs; /* for gif insns only */ \
  66   short wl; short cl; /* for unpack only */ \
  67   int user_value; \
  68 }
  69 /* Code to initialize it.  */
  70 #define TC_INIT_FIX_DATA(fixP) \
  71 do { memset (&fixP->tc_fix_data, 0, sizeof (fixP->tc_fix_data)); } while (0)
  72
  73 /* Called after parsing a file.  */
  74 extern void dvp_parse_done PARAMS ((void));
  75 #define md_after_pass_hook() dvp_after_pass_hook ()
  76
  77 /* Called for each label.  */
  78 extern void dvp_frob_label PARAMS ((struct symbol *));
  79 #define tc_frob_label(sym) dvp_frob_label (sym)
  80
  81 /* Called just before writing the file out.  */
  82 extern void dvp_frob_file PARAMS ((void));
  83 #define tc_frob_file() dvp_frob_file ()
  84
  85 /* Default section names. */
  86 #define TEXT_SECTION_NAME       ".vutext"
  87 #define DATA_SECTION_NAME       ".vudata"
  88 #define BSS_SECTION_NAME        ".vubss"
  89
  90 #define ELF_TC_SPECIAL_SECTIONS \
  91   { ".vubss",   SHT_NOBITS,     SHF_ALLOC + SHF_WRITE           }, \
  92   { ".vudata",  SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE           }, \
  93   { ".vutext",  SHT_PROGBITS,   SHF_ALLOC + SHF_EXECINSTR       },