gcc/config/sparc/linux-aout.h

   1 /* Definitions for SPARC running Linux with a.out
   2    Copyright (C) 1996 Free Software Foundation, Inc.
   3    Contributed by Eddie C. Dost (ecd@skynet.be)
   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 #include <aoutos.h>
  23 #include <sparc/sparc.h>
  24
  25 /* Don't assume anything about the header files. */
  26 #define NO_IMPLICIT_EXTERN_C
  27
  28 #undef HAVE_ATEXIT
  29 #define HAVE_ATEXIT
  30
  31 /* Linux uses ctype from glibc.a. I am not sure how complete it is.
  32    For now, we play safe. It may change later. */
  33
  34 #if 0
  35 #undef MULTIBYTE_CHARS
  36 #define MULTIBYTE_CHARS 1
  37 #endif
  38
  39 /* There are conflicting reports about whether this system uses
  40    a different assembler syntax.  wilson@cygnus.com says # is right.  */
  41 #undef COMMENT_BEGIN
  42 #define COMMENT_BEGIN "#"
  43
  44 /* We need that too. */
  45 #define HANDLE_SYSV_PRAGMA
  46
  47 #undef MD_EXEC_PREFIX
  48 #undef MD_STARTFILE_PREFIX
  49
  50 /* Output at beginning of assembler file.  */
  51 /* The .file command should always begin the output.  */
  52 #undef ASM_FILE_START
  53 #define ASM_FILE_START(FILE)                                            \
  54   do {                                                                  \
  55         output_file_directive (FILE, main_input_filename);              \
  56         fprintf (FILE, "\t.version\t\"01.01\"\n");                      \
  57   } while (0)
  58
  59 #undef STARTFILE_SPEC
  60 #define STARTFILE_SPEC  "%{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}} %{static:-static}"
  61
  62 #undef TARGET_VERSION
  63 #define TARGET_VERSION fprintf (stderr, " (sparc Linux/a.out)");
  64
  65 #undef SIZE_TYPE
  66 #define SIZE_TYPE "unsigned int"
  67
  68 #undef PTRDIFF_TYPE
  69 #define PTRDIFF_TYPE "int"
  70
  71 #undef WCHAR_TYPE
  72 #define WCHAR_TYPE "long int"
  73
  74 #undef WCHAR_TYPE_SIZE
  75 #define WCHAR_TYPE_SIZE BITS_PER_WORD
  76
  77 #undef CPP_PREDEFINES
  78 #define CPP_PREDEFINES "-Dunix -Dsparc -Dlinux -Asystem(unix) -Asystem(posix) -Acpu(sparc) -Amachine(sparc)"
  79
  80 #undef CPP_SPEC
  81 #define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{msparclite:-D__sparclite__} %{mv8:-D__sparc_v8__} %{msupersparc:-D__supersparc__ -D__sparc_v8__} %{posix:-D_POSIX_SOURCE}"
  82
  83 /* Don't default to pcc-struct-return, because gcc is the only compiler,
  84    and we want to retain compatibility with older gcc versions.  */
  85 #define DEFAULT_PCC_STRUCT_RETURN 0
  86
  87 #undef LIB_SPEC
  88
  89 #if 1
  90 /* We no longer link with libc_p.a or libg.a by default. If you
  91  * want to profile or debug the Linux C library, please add
  92  * -lc_p or -ggdb to LDFLAGS at the link time, respectively.
  93  */
  94 #define LIB_SPEC \
  95 "%{mieee-fp:-lieee} %{p:-lgmon} %{pg:-lgmon} %{!ggdb:-lc} %{ggdb:-lg}"
  96 #else
  97 #define LIB_SPEC \
  98 "%{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \
  99  %{!p:%{!pg:%{!g*:-lc} %{g*:-lg -static}}}"
 100 #endif
 101
 102 #undef LINK_SPEC
 103 #define LINK_SPEC       "-m sparclinux"
 104
 105 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
 106    It's safe to pass -s always, even if -g is not used. */
 107 #undef ASM_SPEC
 108 #define ASM_SPEC \
 109   "%{V} %{v:%{!V:-V}} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s %{fpic:-K PIC} %{fPIC:-K PIC}"
 110
 111 #if 0
 112 /* Define for support of TFmode long double and REAL_ARITHMETIC.
 113    Sparc ABI says that long double is 4 words. Linux does not support
 114    long double yet.  */
 115 #define LONG_DOUBLE_TYPE_SIZE 128
 116 #endif