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, 2004
   3    Free Software Foundation, Inc.
   4    Contributed by Michael Tiemann (tiemann@cygnus.com).
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, USA.  */
  22
  23 /* Run-time Target Specification.  */
  24 #define TARGET_VERSION fputs (" (MCORE/pe)", stderr)
  25
  26 #define TARGET_OS_CPP_BUILTINS()                                \
  27   do                                                            \
  28     {                                                           \
  29       builtin_define ("__pe__");                                \
  30     }                                                           \
  31   while (0)
  32
  33 /* The MCore ABI says that bitfields are unsigned by default.  */
  34 /* The EPOC C++ environment does not support exceptions.  */
  35 #undef CC1_SPEC
  36 #define CC1_SPEC "-funsigned-bitfields %{!DIN_GCC:-fno-rtti} %{!DIN_GCC:-fno-exceptions}"
  37
  38 #undef  SDB_DEBUGGING_INFO
  39 #define DBX_DEBUGGING_INFO 1
  40
  41 /* Computed in toplev.c.  */
  42 #undef  PREFERRED_DEBUGGING_TYPE
  43
  44 /* Lay out additional 'sections' where we place things like code
  45    and readonly data. This gets them out of default places.  */
  46
  47 #define SUBTARGET_SWITCH_SECTIONS               \
  48   case in_drectve: drectve_section (); break;
  49
  50 #define DRECTVE_SECTION_ASM_OP  "\t.section .drectve"
  51 #define READONLY_DATA_SECTION_ASM_OP    "\t.section .rdata"
  52
  53 #define SUBTARGET_EXTRA_SECTIONS in_drectve
  54
  55 #define SUBTARGET_EXTRA_SECTION_FUNCTIONS \
  56   DRECTVE_SECTION_FUNCTION
  57
  58 #define DRECTVE_SECTION_FUNCTION                                \
  59 void                                                            \
  60 drectve_section ()                                              \
  61 {                                                               \
  62   if (in_section != in_drectve)                                 \
  63     {                                                           \
  64       fprintf (asm_out_file, "%s\n", DRECTVE_SECTION_ASM_OP);   \
  65       in_section = in_drectve;                                  \
  66     }                                                           \
  67 }
  68
  69 #define MCORE_EXPORT_NAME(STREAM, NAME)                 \
  70   do                                                    \
  71     {                                                   \
  72       drectve_section ();                               \
  73       fprintf (STREAM, "\t.ascii \" -export:%s\"\n",    \
  74                (* targetm.strip_name_encoding) (NAME)); \
  75     }                                                   \
  76   while (0);
  77
  78 /* Output the label for an initialized variable.  */
  79 #undef  ASM_DECLARE_OBJECT_NAME
  80 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL)             \
  81   do                                                            \
  82     {                                                           \
  83       if (mcore_dllexport_name_p (NAME))                        \
  84         {                                                       \
  85           enum in_section save_section = in_section;            \
  86           MCORE_EXPORT_NAME (STREAM, NAME);                     \
  87           switch_to_section (save_section, (DECL));             \
  88         }                                                       \
  89       ASM_OUTPUT_LABEL ((STREAM), (NAME));                      \
  90     }                                                           \
  91   while (0)
  92
  93 /* Output a function label definition.  */
  94 #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL)           \
  95   do                                                            \
  96     {                                                           \
  97       if (mcore_dllexport_name_p (NAME))                        \
  98         {                                                       \
  99           MCORE_EXPORT_NAME (STREAM, NAME);                     \
 100           function_section (DECL);                              \
 101         }                                                       \
 102       ASM_OUTPUT_LABEL ((STREAM), (NAME));                      \
 103     }                                                           \
 104   while (0);
 105
 106 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
 107
 108 #define DBX_LINES_FUNCTION_RELATIVE 1
 109
 110 #define STARTFILE_SPEC "crt0.o%s"
 111 #define ENDFILE_SPEC  "%{!mno-lsim:-lsim}"
 112
 113 /* __CTOR_LIST__ and __DTOR_LIST__ must be defined by the linker script.  */
 114 #define CTOR_LISTS_DEFINED_EXTERNALLY
 115
 116 #undef DO_GLOBAL_CTORS_BODY
 117 #undef DO_GLOBAL_DTORS_BODY
 118 #undef INIT_SECTION_ASM_OP
 119 #undef DTORS_SECTION_ASM_OP
 120
 121 #define SUPPORTS_ONE_ONLY 1
 122
 123 /* Switch into a generic section.  */
 124 #undef TARGET_ASM_NAMED_SECTION
 125 #define TARGET_ASM_NAMED_SECTION  default_pe_asm_named_section