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, 1995 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 #ifndef TARGET_ENDIAN_DEFAULT
  29 #define MULTILIB_DEFAULTS { "EB", "mips3" }
  30 #else
  31 #define MULTILIB_DEFAULTS { "EL", "mips3" }
  32 #endif
  33
  34 /* Until we figure out what MIPS ELF targets normally use, just do
  35    stabs in ELF.  */
  36 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
  37
  38 #include "mips/mips.h"
  39
  40 #undef CPP_PREDEFINES
  41 #define CPP_PREDEFINES "-Dmips -DMIPSEB -DR4000 -D_mips -D_MIPSEB -D_R4000"
  42
  43 /* This is the same as the one in mips64.h except that it defines __mips=3
  44    at the end.  I would rather put this in CPP_PREDEFINES, but the gcc
  45    driver doesn't handle -U options in CPP_PREDEFINES.  */
  46 #undef CPP_SPEC
  47 #define CPP_SPEC "\
  48 %{.cc:  -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
  49 %{.cxx: -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
  50 %{.C:   -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
  51 %{.m:   -D__LANGUAGE_OBJECTIVE_C -D_LANGUAGE_OBJECTIVE_C} \
  52 %{.S:   -D__LANGUAGE_ASSEMBLY -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
  53 %{.s:   -D__LANGUAGE_ASSEMBLY -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
  54 %{!.S:%{!.s:    -D__LANGUAGE_C -D_LANGUAGE_C %{!ansi:-DLANGUAGE_C}}} \
  55 %{mlong64:-D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \
  56 %{!mlong64:-D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
  57 %{!mips1:%{!mips2:-U__mips -D__mips=3 -D__mips64}} \
  58 %{mgp32:-U__mips64} %{mgp64:-D__mips64} \
  59 %{EB:-UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__ -D_MIPSEB -D__MIPSEB -D__MIPSEB__ %{!ansi:-DMIPSEB}} \
  60 %{EL:-UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__ -D_MIPSEL -D__MIPSEL -D__MIPSEL__ %{!ansi:-DMIPSEL}} \
  61 %{msingle-float:%{!msoft-float:-D__mips_single_float}} \
  62 %{m4650:%{!msoft-float:-D__mips_single_float}} \
  63 "
  64
  65 /* Use memcpy, et. al., rather than bcopy.  */
  66 #define TARGET_MEM_FUNCTIONS
  67
  68 /* US Software GOFAST library support.  */
  69 #include "gofast.h"
  70 #define INIT_TARGET_OPTABS INIT_GOFAST_OPTABS
  71
  72 /* We need to use .esize and .etype instead of .size and .type to
  73    avoid conflicting with ELF directives.  */
  74 #undef PUT_SDB_SIZE
  75 #define PUT_SDB_SIZE(a)                                 \
  76 do {                                                    \
  77   extern FILE *asm_out_text_file;                       \
  78   fprintf (asm_out_text_file, "\t.esize\t%d;", (a));    \
  79 } while (0)
  80
  81 #undef PUT_SDB_TYPE
  82 #define PUT_SDB_TYPE(a)                                 \
  83 do {                                                    \
  84   extern FILE *asm_out_text_file;                       \
  85   fprintf (asm_out_text_file, "\t.etype\t0x%x;", (a));  \
  86 } while (0)
  87
  88 /* A C statement to output something to the assembler file to switch to section
  89    NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
  90    NULL_TREE.  Some target formats do not support arbitrary sections.  Do not
  91    define this macro in such cases.  */
  92
  93 #define ASM_OUTPUT_SECTION_NAME(F, DECL, NAME) \
  94 do {                                                            \
  95   extern FILE *asm_out_text_file;                               \
  96   if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL)              \
  97     fprintf (asm_out_text_file, "\t.section %s,\"ax\",@progbits\n", (NAME)); \
  98   else if ((DECL) && TREE_READONLY (DECL))                      \
  99     fprintf (F, "\t.section %s,\"a\",@progbits\n", (NAME));     \
 100   else                                                          \
 101     fprintf (F, "\t.section %s,\"aw\",@progbits\n", (NAME));    \
 102 } while (0)