gcc/config/i386/i386-coff.h

   1 /* Definitions for "naked" Intel 386 using coff object format files
   2    and coff debugging info.
   3
   4    Copyright (C) 1994 Free Software Foundation, Inc.
   5
   6 This file is part of GNU CC.
   7
   8 GNU CC 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 GNU CC 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 GNU CC; 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
  24 #include "i386/gas.h"
  25
  26 /* Specify predefined symbols in preprocessor.  */
  27
  28 #undef CPP_PREDEFINES
  29 #define CPP_PREDEFINES "-Di386"
  30
  31 #undef DBX_DEBUGGING_INFO
  32 #define SDB_DEBUGGING_INFO
  33
  34 /* Support the ctors and dtors sections for g++.  */
  35
  36 #define CTORS_SECTION_ASM_OP    ".section\t.ctors,\"x\""
  37 #define DTORS_SECTION_ASM_OP    ".section\t.dtors,\"x\""
  38
  39 /* A list of other sections which the compiler might be "in" at any
  40    given time.  */
  41
  42 #undef EXTRA_SECTIONS
  43 #define EXTRA_SECTIONS in_ctors, in_dtors
  44
  45 /* A list of extra section function definitions.  */
  46
  47 #undef EXTRA_SECTION_FUNCTIONS
  48 #define EXTRA_SECTION_FUNCTIONS                                         \
  49   CTORS_SECTION_FUNCTION                                                \
  50   DTORS_SECTION_FUNCTION
  51
  52 #define CTORS_SECTION_FUNCTION                                          \
  53 void                                                                    \
  54 ctors_section ()                                                        \
  55 {                                                                       \
  56   if (in_section != in_ctors)                                           \
  57     {                                                                   \
  58       fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP);             \
  59       in_section = in_ctors;                                            \
  60     }                                                                   \
  61 }
  62
  63 #define DTORS_SECTION_FUNCTION                                          \
  64 void                                                                    \
  65 dtors_section ()                                                        \
  66 {                                                                       \
  67   if (in_section != in_dtors)                                           \
  68     {                                                                   \
  69       fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP);             \
  70       in_section = in_dtors;                                            \
  71     }                                                                   \
  72 }
  73
  74 #define INT_ASM_OP ".long"
  75
  76 /* A C statement (sans semicolon) to output an element in the table of
  77    global constructors.  */
  78 #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)                               \
  79   do {                                                                  \
  80     ctors_section ();                                                   \
  81     fprintf (FILE, "\t%s\t ", INT_ASM_OP);                              \
  82     assemble_name (FILE, NAME);                                         \
  83     fprintf (FILE, "\n");                                               \
  84   } while (0)
  85
  86 /* A C statement (sans semicolon) to output an element in the table of
  87    global destructors.  */
  88 #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)                                \
  89   do {                                                                  \
  90     dtors_section ();                                                   \
  91     fprintf (FILE, "\t%s\t ", INT_ASM_OP);                              \
  92     assemble_name (FILE, NAME);                                         \
  93     fprintf (FILE, "\n");                                               \
  94   } while (0)
  95
  96
  97 /* end of i386-coff.h */