gcc/config/mips/elf.h

   1 /* Definitions of target machine for GNU compiler.  MIPS R3000 version with
   2    GOFAST floating point library.
   3    Copyright (C) 1994, 1997 Free Software Foundation, Inc.
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC 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 GNU CC 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 GNU CC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22 /* Use ELF.  */
  23 #define OBJECT_FORMAT_ELF
  24
  25 /* Until we figure out what MIPS ELF targets normally use, just do
  26    stabs in ELF.  */
  27 #ifndef PREFERRED_DEBUGGING_TYPE
  28 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
  29 #endif
  30
  31 /* Mostly like ECOFF.  */
  32 #include "mips/mips.h"
  33 #include "gofast.h"
  34 #include "mips/ecoff.h"
  35
  36 /* We need to use .esize and .etype instead of .size and .type to
  37    avoid conflicting with ELF directives.  */
  38 #undef PUT_SDB_SIZE
  39 #define PUT_SDB_SIZE(a)                                 \
  40 do {                                                    \
  41   extern FILE *asm_out_text_file;                       \
  42   fprintf (asm_out_text_file, "\t.esize\t%d;", (a));    \
  43 } while (0)
  44
  45 #undef PUT_SDB_TYPE
  46 #define PUT_SDB_TYPE(a)                                 \
  47 do {                                                    \
  48   extern FILE *asm_out_text_file;                       \
  49   fprintf (asm_out_text_file, "\t.etype\t0x%x;", (a));  \
  50 } while (0)
  51
  52 /* Biggest alignment supported by the object file format of this
  53    machine.  Use this macro to limit the alignment which can be
  54    specified using the `__attribute__ ((aligned (N)))' construct.  If
  55    not defined, the default value is `BIGGEST_ALIGNMENT'.  */
  56
  57 #define MAX_OFILE_ALIGNMENT (32768*8)
  58
  59 /* A C statement to output something to the assembler file to switch to section
  60    NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
  61    NULL_TREE.  Some target formats do not support arbitrary sections.  Do not
  62    define this macro in such cases.  */
  63
  64 #define ASM_OUTPUT_SECTION_NAME(F, DECL, NAME, RELOC) \
  65 do {                                                            \
  66   extern FILE *asm_out_text_file;                               \
  67   if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL)              \
  68     fprintf (asm_out_text_file, "\t.section %s,\"ax\",@progbits\n", (NAME)); \
  69   else if ((DECL) && DECL_READONLY_SECTION (DECL, RELOC))       \
  70     fprintf (F, "\t.section %s,\"a\",@progbits\n", (NAME));     \
  71   else                                                          \
  72     fprintf (F, "\t.section %s,\"aw\",@progbits\n", (NAME));    \
  73 } while (0)