old-autovect-branch/gcc/config/i386/beos-elf.h

   1 /* Definitions for Intel x86 running BeOS
   2    Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC 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 GCC 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 GCC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22
  23 #define TARGET_VERSION fprintf (stderr, " (i386 BeOS/ELF)");
  24
  25 /* Change debugging to Dwarf2.  */
  26 #undef PREFERRED_DEBUGGING_TYPE
  27 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
  28
  29 /* The SVR4 ABI for the i386 says that records and unions are returned
  30    in memory.  */
  31 #undef DEFAULT_PCC_STRUCT_RETURN
  32 #define DEFAULT_PCC_STRUCT_RETURN 1
  33
  34 #undef ASM_COMMENT_START
  35 #define ASM_COMMENT_START " #"
  36
  37 #undef DBX_REGISTER_NUMBER
  38 #define DBX_REGISTER_NUMBER(n) \
  39   (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
  40
  41 /* Output assembler code to FILE to increment profiler label # LABELNO
  42    for profiling a function entry.  */
  43
  44 #undef MCOUNT_NAME
  45 #define MCOUNT_NAME "mcount"
  46
  47 #undef SIZE_TYPE
  48 #define SIZE_TYPE "long unsigned int"
  49
  50 #undef PTRDIFF_TYPE
  51 #define PTRDIFF_TYPE "long int"
  52
  53 #undef WCHAR_TYPE
  54 #define WCHAR_TYPE "short unsigned int"
  55
  56 #undef WCHAR_TYPE_SIZE
  57 #define WCHAR_TYPE_SIZE 16
  58
  59 #define TARGET_DECLSPEC 1
  60
  61 #define TARGET_OS_CPP_BUILTINS()                                        \
  62   do                                                                    \
  63     {                                                                   \
  64         builtin_define ("__BEOS__");                                    \
  65         builtin_define ("__INTEL__");                                   \
  66         builtin_define ("_X86_");                                       \
  67         builtin_define ("__stdcall=__attribute__((__stdcall__))");      \
  68         builtin_define ("__cdecl=__attribute__((__cdecl__))");          \
  69         builtin_assert ("system=beos");                                 \
  70     }                                                                   \
  71   while (0)
  72
  73 /* BeOS uses lots of multichars, so don't warn about them unless the
  74    user explicitly asks for the warnings with -Wmultichar.  Note that
  75    CC1_SPEC is used for both cc1 and cc1plus.  */
  76
  77 #undef CC1_SPEC
  78 #define CC1_SPEC "%{!no-fpic:%{!fno-pic:%{!fno-pie:%{!fpie:%{!fPIC:%{!fPIE:-fpic}}}}}} %{!Wmultichar: -Wno-multichar} %(cc1_cpu) %{profile:-p}"
  79
  80 #undef CC1PLUS_SPEC
  81 #define CC1PLUS_SPEC "%{!Wctor-dtor-privacy:-Wno-ctor-dtor-privacy}"
  82
  83 /* Provide a LINK_SPEC appropriate for BeOS.  Here we provide support
  84    for the special GCC options -static and -shared, which allow us to
  85    link things in one of these three modes by applying the appropriate
  86    combinations of options at link-time.  */
  87
  88 /* If ELF is the default format, we should not use /lib/elf.  */
  89
  90 #undef  LINK_SPEC
  91 #define LINK_SPEC "%{!o*:-o %b} -m elf_i386_be -shared -Bsymbolic %{nostart:-e 0}"
  92
  93 /* Provide start and end file specs appropriate to glibc.  */
  94
  95 /* LIB_SPEC for BeOS */
  96 #undef LIB_SPEC
  97 #define LIB_SPEC "-lnet -lroot"
  98
  99 /* gcc runtime lib is built into libroot.so on BeOS */
 100 /* ??? This is gonna be lovely when the next release of gcc has
 101    some new symbol in, so that links start failing.  */
 102 #undef LIBGCC_SPEC
 103 #define LIBGCC_SPEC ""
 104
 105 #undef  STARTFILE_SPEC
 106 #define STARTFILE_SPEC "crti.o%s crtbegin.o%s %{!nostart:start_dyn.o%s} init_term_dyn.o%s %{p:i386-mcount.o%s}"
 107
 108 #undef  ENDFILE_SPEC
 109 #define ENDFILE_SPEC "crtend.o%s crtn.o%s"
 110
 111 /* A C statement (sans semicolon) to output to the stdio stream
 112    FILE the assembler definition of uninitialized global DECL named
 113    NAME whose size is SIZE bytes and alignment is ALIGN bytes.
 114    Try to use asm_output_aligned_bss to implement this macro.  */
 115
 116 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
 117   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
 118
 119 /* A C statement to output to the stdio stream FILE an assembler
 120    command to advance the location counter to a multiple of 1<<LOG
 121    bytes if it is within MAX_SKIP bytes.
 122
 123    This is used to align code labels according to Intel recommendations.  */
 124
 125 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
 126 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
 127   if ((LOG)!=0) \
 128     if ((MAX_SKIP)==0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
 129     else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP))
 130 #endif
 131
 132 /* For native compiler, use standard BeOS include file search paths
 133    rooted in /boot/develop/headers.  For a cross compiler, don't
 134    expect the host to use the BeOS directory scheme, and instead look
 135    for the BeOS include files relative to TOOL_INCLUDE_DIR.  Yes, we
 136    use ANSI string concatenation here (FIXME) */
 137
 138 #ifndef CROSS_COMPILE
 139 #undef INCLUDE_DEFAULTS
 140 #define INCLUDE_DEFAULTS \
 141     { \
 142     { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },\
 143     { GCC_INCLUDE_DIR, "GCC", 0, 0 },\
 144     { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1}, \
 145     { "/boot/develop/headers/be/add-ons/graphics", 0, 0, 0 },\
 146     { "/boot/develop/headers/be/devel", 0, 0, 0 },\
 147     { "/boot/develop/headers/be/translation", 0, 0, 0 },\
 148     { "/boot/develop/headers/be/mail", 0, 0, 0 },\
 149     { "/boot/develop/headers/gnu", 0, 0, 0 },\
 150     { "/boot/develop/headers/be/drivers", 0, 0, 0 },\
 151     { "/boot/develop/headers/be/opengl", 0, 0, 0 },\
 152     { "/boot/develop/headers/be/game", 0, 0, 0 },\
 153     { "/boot/develop/headers/be/support", 0, 0, 0 },\
 154     { "/boot/develop/headers/be/storage", 0, 0, 0 },\
 155     { "/boot/develop/headers/be/kernel", 0, 0, 0 },\
 156     { "/boot/develop/headers/be/net", 0, 0, 0 },\
 157     { "/boot/develop/headers/be/midi", 0, 0, 0 },\
 158     { "/boot/develop/headers/be/midi2", 0, 0, 0 },\
 159     { "/boot/develop/headers/be/media", 0, 0, 0 },\
 160     { "/boot/develop/headers/be/interface", 0, 0, 0 },\
 161     { "/boot/develop/headers/be/device", 0, 0, 0 },\
 162     { "/boot/develop/headers/be/app", 0, 0, 0 },\
 163     { "/boot/develop/headers/be/precompiled", 0, 0, 0 },\
 164     { "/boot/develop/headers/be/add-ons/input_server", 0, 0, 0 },\
 165     { "/boot/develop/headers/be/add-ons/net_server", 0, 0, 0 },\
 166     { "/boot/develop/headers/be/add-ons/screen_saver", 0, 0, 0 },\
 167     { "/boot/develop/headers/be/add-ons/tracker", 0, 0, 0 },\
 168     { "/boot/develop/headers/be/be_apps/Deskbar", 0, 0, 0 },\
 169     { "/boot/develop/headers/be/be_apps/NetPositive", 0, 0, 0 },\
 170     { "/boot/develop/headers/be/be_apps/Tracker", 0, 0, 0 },\
 171     { "/boot/develop/headers/be/drivers/tty", 0, 0, 0 },\
 172     { "/boot/develop/headers/be/net/netinet", 0, 0, 0 },\
 173     { "/boot/develop/headers/be/storage", 0, 0, 0 },\
 174     { "/boot/develop/headers/be", 0, 0, 0 },\
 175     { "/boot/develop/headers/cpp", 0, 0, 0 },\
 176     { "/boot/develop/headers/posix", 0, 0, 0 },\
 177     { "/boot/develop/headers", 0, 0, 0 }, \
 178     { 0, 0, 0, 0 } \
 179     }
 180 #else /* CROSS_COMPILE */
 181 #undef  INCLUDE_DEFAULTS
 182 #define INCLUDE_DEFAULTS                                \
 183     { \
 184     { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },\
 185     { GCC_INCLUDE_DIR, "GCC", 0, 0 },\
 186     { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1}, \
 187     { CROSS_INCLUDE_DIR "/be/add-ons/graphics", 0, 0, 0 },\
 188     { CROSS_INCLUDE_DIR "/be/devel", 0, 0, 0 },\
 189     { CROSS_INCLUDE_DIR "/be/translation", 0, 0, 0 },\
 190     { CROSS_INCLUDE_DIR "/be/mail", 0, 0, 0 },\
 191     { CROSS_INCLUDE_DIR "/gnu", 0, 0, 0 },\
 192     { CROSS_INCLUDE_DIR "/be/drivers", 0, 0, 0 },\
 193     { CROSS_INCLUDE_DIR "/be/opengl", 0, 0, 0 },\
 194     { CROSS_INCLUDE_DIR "/be/game", 0, 0, 0 },\
 195     { CROSS_INCLUDE_DIR "/be/support", 0, 0, 0 },\
 196     { CROSS_INCLUDE_DIR "/be/storage", 0, 0, 0 },\
 197     { CROSS_INCLUDE_DIR "/be/kernel", 0, 0, 0 },\
 198     { CROSS_INCLUDE_DIR "/be/net", 0, 0, 0 },\
 199     { CROSS_INCLUDE_DIR "/be/midi", 0, 0, 0 },\
 200     { CROSS_INCLUDE_DIR "/be/midi2", 0, 0, 0 },\
 201     { CROSS_INCLUDE_DIR "/be/media", 0, 0, 0 },\
 202     { CROSS_INCLUDE_DIR "/be/interface", 0, 0, 0 },\
 203     { CROSS_INCLUDE_DIR "/be/device", 0, 0, 0 },\
 204     { CROSS_INCLUDE_DIR "/be/app", 0, 0, 0 },\
 205     { CROSS_INCLUDE_DIR "/be/precompiled", 0, 0, 0 },\
 206     { CROSS_INCLUDE_DIR "/be/add-ons/input_server", 0, 0, 0 },\
 207     { CROSS_INCLUDE_DIR "/be/add-ons/net_server", 0, 0, 0 },\
 208     { CROSS_INCLUDE_DIR "/be/add-ons/screen_saver", 0, 0, 0 },\
 209     { CROSS_INCLUDE_DIR "/be/add-ons/tracker", 0, 0, 0 },\
 210     { CROSS_INCLUDE_DIR "/be/be_apps/Deskbar", 0, 0, 0 },\
 211     { CROSS_INCLUDE_DIR "/be/be_apps/NetPositive", 0, 0, 0 },\
 212     { CROSS_INCLUDE_DIR "/be/be_apps/Tracker", 0, 0, 0 },\
 213     { CROSS_INCLUDE_DIR "/be/drivers/tty", 0, 0, 0 },\
 214     { CROSS_INCLUDE_DIR "/be/net/netinet", 0, 0, 0 },\
 215     { CROSS_INCLUDE_DIR "/be/storage", 0, 0, 0 },\
 216     { CROSS_INCLUDE_DIR "/be", 0, 0, 0 },\
 217     { CROSS_INCLUDE_DIR "/cpp", 0, 0, 0 },\
 218     { CROSS_INCLUDE_DIR "/posix", 0, 0, 0 },\
 219     { CROSS_INCLUDE_DIR , 0, 0, 0 }, \
 220     { 0, 0, 0, 0 } \
 221     }
 222 #endif
 223
 224 /* Whee.  LIBRARY_PATH is Be's LD_LIBRARY_PATH, which of course will
 225    cause nasty problems if we override it.  */
 226 #define LIBRARY_PATH_ENV        "BELIBRARIES"
 227
 228 /* BeOS doesn't have a separate math library.  */
 229 #define MATH_LIBRARY ""
 230
 231 /* BeOS headers are C++-aware (and often use C++).  */
 232 #define NO_IMPLICIT_EXTERN_C
 233
 234 /* BeOS uses explicit import from shared libraries.  */
 235 #define MULTIPLE_SYMBOL_SPACES 1