gcc/config/netware.h

   1 /* netware.h -- operating system specific defines to be used when
   2    targeting GCC for some generic NetWare 4 system.
   3    Copyright (C) 1993, 1994 Free Software Foundation, Inc.
   4
   5    Written by David V. Henkel-Wallace (gumby@cygnus.com)
   6
   7 This file is part of GNU CC.
   8
   9 GNU CC is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 2, or (at your option)
  12 any later version.
  13
  14 GNU CC is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GNU CC; see the file COPYING.  If not, write to
  21 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  22
  23 /* We don't actually need any of these; the MD_ vars are ignored
  24    anyway for cross-compilers, and the other specs won't get picked up
  25    'coz the user is supposed to do ld -r (hmm, perhaps that should be
  26    the default).  In any case, setting them thus will catch some
  27    common user errors. */
  28
  29 #undef MD_EXEC_PREFIX
  30 #undef MD_STARTFILE_PREFIX
  31
  32 #undef  LIB_SPEC
  33 #define LIB_SPEC ""
  34
  35 /* Kinda useless, but what the hell */
  36 #undef  LINK_SPEC
  37 #define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \
  38                    %{b} %{Wl,*:%*} \
  39                    %{Qy:} %{!Qn:-Qy}"
  40
  41 #undef  STARTFILE_SPEC
  42 #define STARTFILE_SPEC ""
  43
  44 #undef  ENDFILE_SPEC
  45 #define ENDFILE_SPEC ""
  46
  47 #undef  RELATIVE_PREFIX_NOT_LINKDIR
  48 #undef  LIBGCC_SPEC
  49
  50 /* set debugging info */
  51 #define DBX_DEBUGGING_INFO
  52 #undef  SDB_DEBUGGING_INFO
  53 #undef  DWARF_DEBUGGING_INFO
  54 #undef  XCOFF_DEBUGGING_INFO
  55 #undef  PREFERRED_DEBUGGING_TYPE
  56 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
  57
  58 /* Support const sections and the ctors and dtors sections for g++.
  59    Note that there appears to be two different ways to support const
  60    sections at the moment.  You can either #define the symbol
  61    READONLY_DATA_SECTION (giving it some code which switches to the
  62    readonly data section) or else you can #define the symbols
  63    EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
  64    SELECT_RTX_SECTION.  We do both here just to be on the safe side.  */
  65
  66 #define HAVE_ATEXIT
  67
  68 #undef  HAS_INIT_SECTION
  69 #undef  INIT_SECTION_ASM_OP
  70
  71 #undef  READONLY_DATA_SECTION
  72 #define READONLY_DATA_SECTION   const_section
  73
  74 #undef  CONST_SECTION_ASM_OP
  75 #define CONST_SECTION_ASM_OP    ".section\t.rodata"
  76 #undef  CTORS_SECTION_ASM_OP
  77 #define CTORS_SECTION_ASM_OP    ".section\t.ctors,\"x\""
  78 #undef  DTORS_SECTION_ASM_OP
  79 #define DTORS_SECTION_ASM_OP    ".section\t.dtors,\"x\""
  80
  81 /* A list of other sections which the compiler might be "in" at any
  82    given time.  */
  83
  84 #undef EXTRA_SECTIONS
  85 #define EXTRA_SECTIONS in_const, in_ctors, in_dtors
  86
  87 /* A list of extra section function definitions.  */
  88
  89 #undef  EXTRA_SECTION_FUNCTIONS
  90 #define EXTRA_SECTION_FUNCTIONS                                         \
  91   CONST_SECTION_FUNCTION                                                \
  92   CTORS_SECTION_FUNCTION                                                \
  93   DTORS_SECTION_FUNCTION
  94
  95 #undef  CONST_SECTION_FUNCTION
  96 #define CONST_SECTION_FUNCTION                                          \
  97 void                                                                    \
  98 const_section ()                                                        \
  99 {                                                                       \
 100   if (in_section != in_const)                                           \
 101     {                                                                   \
 102       fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP);             \
 103       in_section = in_const;                                            \
 104     }                                                                   \
 105 }
 106
 107 #undef  CTORS_SECTION_FUNCTION
 108 #define CTORS_SECTION_FUNCTION                                          \
 109 void                                                                    \
 110 ctors_section ()                                                        \
 111 {                                                                       \
 112   if (in_section != in_ctors)                                           \
 113     {                                                                   \
 114       fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP);             \
 115       in_section = in_ctors;                                            \
 116     }                                                                   \
 117 }
 118
 119 #undef  DTORS_SECTION_FUNCTION
 120 #define DTORS_SECTION_FUNCTION                                          \
 121 void                                                                    \
 122 dtors_section ()                                                        \
 123 {                                                                       \
 124   if (in_section != in_dtors)                                           \
 125     {                                                                   \
 126       fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP);             \
 127       in_section = in_dtors;                                            \
 128     }                                                                   \
 129 }
 130
 131 #define INT_ASM_OP ".long"
 132
 133 /* A C statement (sans semicolon) to output an element in the table of
 134    global constructors.  */
 135 #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)                               \
 136   do {                                                                  \
 137     ctors_section ();                                                   \
 138     fprintf (FILE, "\t%s\t ", INT_ASM_OP);                              \
 139     assemble_name (FILE, NAME);                                         \
 140     fprintf (FILE, "\n");                                               \
 141   } while (0)
 142
 143 /* A C statement (sans semicolon) to output an element in the table of
 144    global destructors.  */
 145 #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)                                \
 146   do {                                                                  \
 147     dtors_section ();                                                   \
 148     fprintf (FILE, "\t%s\t ", INT_ASM_OP);                              \
 149     assemble_name (FILE, NAME);                                         \
 150     fprintf (FILE, "\n");                                               \
 151   } while (0)