gcc/config/mips/elf64.h

   1 /* Definitions of target machine for GNU compiler.  MIPS R4000 version with
   2    GOFAST floating point library.
   3    Copyright (C) 1994 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 #define OBJECT_FORMAT_ELF
  23
  24 /* Default to -mips3.  */
  25 #define TARGET_DEFAULT MASK_FLOAT64|MASK_64BIT
  26 #define MIPS_ISA_DEFAULT 3
  27
  28 /* Until we figure out what MIPS ELF targets normally use, just do
  29    stabs in ELF.  */
  30 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
  31
  32 #include "mips/mips.h"
  33
  34 #undef CPP_PREDEFINES
  35 #define CPP_PREDEFINES "-Dmips -DMIPSEB -DR4000 -D_mips -D_MIPSEB -D_R4000"
  36
  37 /* This is the same as the one in mips64.h except that it defines __mips=3
  38    at the end.  I would rather put this in CPP_PREDEFINES, but the gcc
  39    driver doesn't handle -U options in CPP_PREDEFINES.  */
  40 #undef CPP_SPEC
  41 #define CPP_SPEC "\
  42 %{.cc:  -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
  43 %{.cxx: -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
  44 %{.C:   -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
  45 %{.m:   -D__LANGUAGE_OBJECTIVE_C -D_LANGUAGE_OBJECTIVE_C} \
  46 %{.S:   -D__LANGUAGE_ASSEMBLY -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
  47 %{.s:   -D__LANGUAGE_ASSEMBLY -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
  48 %{!.S:%{!.s:    -D__LANGUAGE_C -D_LANGUAGE_C %{!ansi:-DLANGUAGE_C}}} \
  49 %{mlong64:-D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \
  50 %{!mlong64:-D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
  51 %{!mips1:%{!mips2:-U__mips -D__mips=3}}"
  52
  53 /* Use memcpy, et. al., rather than bcopy.  */
  54 #define TARGET_MEM_FUNCTIONS
  55
  56 /* US Software GOFAST library support.  */
  57 #include "gofast.h"
  58 #define INIT_TARGET_OPTABS INIT_GOFAST_OPTABS
  59
  60 /* We need to use .esize and .etype instead of .size and .type to
  61    avoid conflicting with ELF directives.  */
  62 #undef PUT_SDB_SIZE
  63 #define PUT_SDB_SIZE(a)                                 \
  64 do {                                                    \
  65   extern FILE *asm_out_text_file;                       \
  66   fprintf (asm_out_text_file, "\t.esize\t%d;", (a));    \
  67 } while (0)
  68
  69 #undef PUT_SDB_TYPE
  70 #define PUT_SDB_TYPE(a)                                 \
  71 do {                                                    \
  72   extern FILE *asm_out_text_file;                       \
  73   fprintf (asm_out_text_file, "\t.etype\t0x%x;", (a));  \
  74 } while (0)
  75
  76 /* A C statement to output something to the assembler file to switch to section
  77    NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
  78    NULL_TREE.  Some target formats do not support arbitrary sections.  Do not
  79    define this macro in such cases.  */
  80
  81 #define ASM_OUTPUT_SECTION_NAME(F, DECL, NAME) \
  82 do {                                                            \
  83   extern FILE *asm_out_text_file;                               \
  84   if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL)              \
  85     fprintf (asm_out_text_file, "\t.section %s,\"ax\",@progbits\n", (NAME)); \
  86   else if ((DECL) && TREE_READONLY (DECL))                      \
  87     fprintf (F, "\t.section %s,\"a\",@progbits\n", (NAME));     \
  88   else                                                          \
  89     fprintf (F, "\t.section %s,\"aw\",@progbits\n", (NAME));    \
  90 } while (0)