gcc/config/a29k/udi.h

   1 /* Definitions of target machine for GNU compiler, for AMD Am29000 CPU
   2    running over UDI using COFF.
   3    Copyright (C) 1994, 1996, 2000 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 /* Support the ctors and dtors sections for g++.  */
  23
  24 #define CTORS_SECTION_ASM_OP    "\t.use .ctors"
  25 #define DTORS_SECTION_ASM_OP    "\t.use .dtors"
  26
  27 /* A list of other sections which the compiler might be "in" at any
  28    given time.  */
  29
  30 #undef EXTRA_SECTIONS
  31 #define EXTRA_SECTIONS readonly_data, in_ctors, in_dtors
  32
  33 /* A list of extra section function definitions.  */
  34
  35 #undef EXTRA_SECTION_FUNCTIONS
  36 #define EXTRA_SECTION_FUNCTIONS                                         \
  37   READONLY_DATA_FUNCTION                                                \
  38   CTORS_SECTION_FUNCTION                                                \
  39   DTORS_SECTION_FUNCTION
  40
  41 #define READONLY_DATA_FUNCTION                                  \
  42 void                                                            \
  43 literal_section ()                                              \
  44 {                                                               \
  45   if (in_section != readonly_data)                              \
  46     {                                                           \
  47       fprintf (asm_out_file, "%s\n", READONLY_DATA_SECTION_ASM_OP); \
  48       in_section = readonly_data;                               \
  49     }                                                           \
  50 }                                                               \
  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 "\t.word\t"
  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, "%s", 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, "%s", INT_ASM_OP);                                   \
  92     assemble_name (FILE, NAME);                                         \
  93     fprintf (FILE, "\n");                                               \
  94   } while (0)