gcc/config/mcore/mcore-pe.h

   1 /* Definitions of target machine for GNU compiler, for MCore using COFF/PE.
   2    Copyright (C) 1994, 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
   3    Contributed by Michael Tiemann (tiemann@cygnus.com).
   4
   5 This file is part of GCC.
   6
   7 GCC 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 GCC 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 GCC; 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 /* Run-time Target Specification.  */
  23 #define TARGET_VERSION fputs (" (MCORE/pe)", stderr)
  24
  25 #define TARGET_OS_CPP_BUILTINS()                                \
  26   do                                                            \
  27     {                                                           \
  28       builtin_define ("__pe__");                                \
  29     }                                                           \
  30   while (0)
  31
  32 /* The MCore ABI says that bitfields are unsigned by default.  */
  33 /* The EPOC C++ environment does not support exceptions.  */
  34 #undef CC1_SPEC
  35 #define CC1_SPEC "-funsigned-bitfields %{!DIN_GCC:-fno-rtti} %{!DIN_GCC:-fno-exceptions}"
  36
  37 #undef  SDB_DEBUGGING_INFO
  38 #define DBX_DEBUGGING_INFO 1
  39
  40 /* Computed in toplev.c.  */
  41 #undef  PREFERRED_DEBUGGING_TYPE
  42
  43 /* Lay out additional 'sections' where we place things like code
  44    and readonly data. This gets them out of default places.  */
  45
  46 #define SUBTARGET_SWITCH_SECTIONS               \
  47   case in_drectve: drectve_section (); break;
  48
  49 #define DRECTVE_SECTION_ASM_OP  "\t.section .drectve"
  50 #define READONLY_DATA_SECTION_ASM_OP    "\t.section .rdata"
  51
  52 #define SUBTARGET_EXTRA_SECTIONS in_drectve
  53
  54 #define SUBTARGET_EXTRA_SECTION_FUNCTIONS \
  55   DRECTVE_SECTION_FUNCTION
  56
  57 #define DRECTVE_SECTION_FUNCTION                                \
  58 void                                                            \
  59 drectve_section ()                                              \
  60 {                                                               \
  61   if (in_section != in_drectve)                                 \
  62     {                                                           \
  63       fprintf (asm_out_file, "%s\n", DRECTVE_SECTION_ASM_OP);   \
  64       in_section = in_drectve;                                  \
  65     }                                                           \
  66 }
  67
  68 #define MCORE_EXPORT_NAME(STREAM, NAME)                 \
  69   do                                                    \
  70     {                                                   \
  71       drectve_section ();                               \
  72       fprintf (STREAM, "\t.ascii \" -export:%s\"\n",    \
  73                (* targetm.strip_name_encoding) (NAME)); \
  74     }                                                   \
  75   while (0);
  76
  77 /* Output the label for an initialized variable.  */
  78 #undef  ASM_DECLARE_OBJECT_NAME
  79 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL)             \
  80   do                                                            \
  81     {                                                           \
  82       if (mcore_dllexport_name_p (NAME))                        \
  83         {                                                       \
  84           enum in_section save_section = in_section;            \
  85           MCORE_EXPORT_NAME (STREAM, NAME);                     \
  86           switch_to_section (save_section, (DECL));             \
  87         }                                                       \
  88       ASM_OUTPUT_LABEL ((STREAM), (NAME));                      \
  89     }                                                           \
  90   while (0)
  91
  92 /* Output a function label definition.  */
  93 #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL)           \
  94   do                                                            \
  95     {                                                           \
  96       if (mcore_dllexport_name_p (NAME))                        \
  97         {                                                       \
  98           MCORE_EXPORT_NAME (STREAM, NAME);                     \
  99           function_section (DECL);                              \
 100         }                                                       \
 101       ASM_OUTPUT_LABEL ((STREAM), (NAME));                      \
 102     }                                                           \
 103   while (0);
 104
 105 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
 106
 107 #undef  ASM_OUTPUT_SOURCE_LINE
 108 #define ASM_OUTPUT_SOURCE_LINE(FILE, LINE, COUNTER)                       \
 109   {                                                                       \
 110     if (write_symbols == DBX_DEBUG)                                       \
 111       {                                                                   \
 112         char buffer[256];                                                 \
 113                                                                           \
 114         ASM_GENERATE_INTERNAL_LABEL (buffer, "LM", COUNTER);              \
 115         fprintf (FILE, ".stabn 68,0,%d,", LINE);                          \
 116         assemble_name (FILE, buffer);                                     \
 117         putc ('-', FILE);                                                 \
 118         assemble_name (FILE,                                              \
 119                    XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
 120         putc ('\n', FILE);                                                \
 121         (*targetm.asm_out.internal_label) (FILE, "LM", COUNTER);          \
 122       }                                                                   \
 123   }
 124
 125 #define STARTFILE_SPEC "crt0.o%s"
 126 #define ENDFILE_SPEC  "%{!mno-lsim:-lsim}"
 127
 128 /* __CTOR_LIST__ and __DTOR_LIST__ must be defined by the linker script.  */
 129 #define CTOR_LISTS_DEFINED_EXTERNALLY
 130
 131 #undef DO_GLOBAL_CTORS_BODY
 132 #undef DO_GLOBAL_DTORS_BODY
 133 #undef INIT_SECTION_ASM_OP
 134 #undef DTORS_SECTION_ASM_OP
 135
 136 #define SUPPORTS_ONE_ONLY 1
 137
 138 /* Switch into a generic section.  */
 139 #undef TARGET_ASM_NAMED_SECTION
 140 #define TARGET_ASM_NAMED_SECTION  default_pe_asm_named_section