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 Free Software Foundation, Inc.
   3    Contributed by Michael Tiemann (tiemann@cygnus.com).
   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 /* 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 #define CC1_SPEC "-funsigned-bitfields %{!DIN_GCC:-fno-rtti} %{!DIN_GCC:-fno-exceptions}"
  35
  36 #include "svr3.h"
  37 #include "mcore/mcore.h"
  38 #include "dbxcoff.h"
  39
  40 #undef  SDB_DEBUGGING_INFO
  41 #define DBX_DEBUGGING_INFO 1
  42
  43 /* Computed in toplev.c.  */
  44 #undef  PREFERRED_DEBUGGING_TYPE
  45
  46 /* Lay out additional 'sections' where we place things like code
  47    and readonly data. This gets them out of default places.  */
  48
  49 #define SUBTARGET_SWITCH_SECTIONS               \
  50   case in_drectve: drectve_section (); break;
  51
  52 #define DRECTVE_SECTION_ASM_OP  "\t.section .drectve"
  53 #define READONLY_DATA_SECTION_ASM_OP    "\t.section .rdata"
  54
  55 #define SUBTARGET_EXTRA_SECTIONS in_drectve
  56
  57 #define SUBTARGET_EXTRA_SECTION_FUNCTIONS \
  58   DRECTVE_SECTION_FUNCTION
  59
  60 #define DRECTVE_SECTION_FUNCTION                                \
  61 void                                                            \
  62 drectve_section ()                                              \
  63 {                                                               \
  64   if (in_section != in_drectve)                                 \
  65     {                                                           \
  66       fprintf (asm_out_file, "%s\n", DRECTVE_SECTION_ASM_OP);   \
  67       in_section = in_drectve;                                  \
  68     }                                                           \
  69 }
  70
  71 #define MCORE_EXPORT_NAME(STREAM, NAME)                 \
  72   do                                                    \
  73     {                                                   \
  74       drectve_section ();                               \
  75       fprintf (STREAM, "\t.ascii \" -export:%s\"\n",    \
  76                (* targetm.strip_name_encoding) (NAME)); \
  77     }                                                   \
  78   while (0);
  79
  80 /* Output the label for an initialized variable.  */
  81 #undef  ASM_DECLARE_OBJECT_NAME
  82 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL)             \
  83   do                                                            \
  84     {                                                           \
  85       if (mcore_dllexport_name_p (NAME))                        \
  86         {                                                       \
  87           enum in_section save_section = in_section;            \
  88           MCORE_EXPORT_NAME (STREAM, NAME);                     \
  89           switch_to_section (save_section, (DECL));             \
  90         }                                                       \
  91       ASM_OUTPUT_LABEL ((STREAM), (NAME));                      \
  92     }                                                           \
  93   while (0)
  94
  95 /* Output a function label definition.  */
  96 #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL)           \
  97   do                                                            \
  98     {                                                           \
  99       if (mcore_dllexport_name_p (NAME))                        \
 100         {                                                       \
 101           MCORE_EXPORT_NAME (STREAM, NAME);                     \
 102           function_section (DECL);                              \
 103         }                                                       \
 104       ASM_OUTPUT_LABEL ((STREAM), (NAME));                      \
 105     }                                                           \
 106   while (0);
 107
 108 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
 109
 110 #undef  ASM_OUTPUT_SOURCE_LINE
 111 #define ASM_OUTPUT_SOURCE_LINE(FILE, LINE, COUNTER)                       \
 112   {                                                                       \
 113     if (write_symbols == DBX_DEBUG)                                       \
 114       {                                                                   \
 115         char buffer[256];                                                 \
 116                                                                           \
 117         ASM_GENERATE_INTERNAL_LABEL (buffer, "LM", COUNTER);              \
 118         fprintf (FILE, ".stabn 68,0,%d,", LINE);                          \
 119         assemble_name (FILE, buffer);                                     \
 120         putc ('-', FILE);                                                 \
 121         assemble_name (FILE,                                              \
 122                    XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
 123         putc ('\n', FILE);                                                \
 124         (*targetm.asm_out.internal_label) (FILE, "LM", COUNTER);          \
 125       }                                                                   \
 126   }
 127
 128 #define STARTFILE_SPEC "crt0.o%s"
 129 #define ENDFILE_SPEC  "%{!mno-lsim:-lsim}"
 130
 131 /* __CTOR_LIST__ and __DTOR_LIST__ must be defined by the linker script.  */
 132 #define CTOR_LISTS_DEFINED_EXTERNALLY
 133
 134 #undef DO_GLOBAL_CTORS_BODY
 135 #undef DO_GLOBAL_DTORS_BODY
 136 #undef INIT_SECTION_ASM_OP
 137 #undef DTORS_SECTION_ASM_OP
 138
 139 #define SUPPORTS_ONE_ONLY 1
 140
 141 /* Switch into a generic section.  */
 142 #undef TARGET_ASM_NAMED_SECTION
 143 #define TARGET_ASM_NAMED_SECTION  default_pe_asm_named_section