Open64: osprey-gcc/gcc/config/i386/beos-elf.h Source File

00001 /* Definitions for Intel x86 running BeOS
00002    Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004
00003    Free Software Foundation, Inc.
00004 
00005 This file is part of GCC.
00006 
00007 GCC is free software; you can redistribute it and/or modify
00008 it under the terms of the GNU General Public License as published by
00009 the Free Software Foundation; either version 2, or (at your option)
00010 any later version.
00011 
00012 GCC is distributed in the hope that it will be useful,
00013 but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 GNU General Public License for more details.
00016 
00017 You should have received a copy of the GNU General Public License
00018 along with GCC; see the file COPYING.  If not, write to
00019 the Free Software Foundation, 59 Temple Place - Suite 330,
00020 Boston, MA 02111-1307, USA.  */
00021 
00022 
00023 #define TARGET_VERSION fprintf (stderr, " (i386 BeOS/ELF)");
00024 
00025 /* Change debugging to Dwarf2.  */
00026 #undef PREFERRED_DEBUGGING_TYPE
00027 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
00028 
00029 /* The SVR4 ABI for the i386 says that records and unions are returned
00030    in memory.  */
00031 #undef DEFAULT_PCC_STRUCT_RETURN
00032 #define DEFAULT_PCC_STRUCT_RETURN 1
00033 
00034 #undef ASM_COMMENT_START
00035 #define ASM_COMMENT_START " #"
00036 
00037 #undef DBX_REGISTER_NUMBER
00038 #define DBX_REGISTER_NUMBER(n) \
00039   (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
00040 
00041 /* Output assembler code to FILE to increment profiler label # LABELNO
00042    for profiling a function entry.  */
00043 
00044 #undef MCOUNT_NAME
00045 #define MCOUNT_NAME "mcount"
00046 
00047 #undef SIZE_TYPE
00048 #define SIZE_TYPE "long unsigned int"
00049  
00050 #undef PTRDIFF_TYPE
00051 #define PTRDIFF_TYPE "long int"
00052   
00053 #undef WCHAR_TYPE
00054 #define WCHAR_TYPE "short unsigned int"
00055    
00056 #undef WCHAR_TYPE_SIZE
00057 #define WCHAR_TYPE_SIZE 16
00058 
00059 #define TARGET_DECLSPEC 1
00060 
00061 #define TARGET_OS_CPP_BUILTINS()          \
00062   do                  \
00063     {                 \
00064   builtin_define ("__BEOS__");          \
00065   builtin_define ("__INTEL__");         \
00066   builtin_define ("_X86_");         \
00067   builtin_define ("__stdcall=__attribute__((__stdcall__))");  \
00068   builtin_define ("__cdecl=__attribute__((__cdecl__))");    \
00069   builtin_assert ("system=beos");         \
00070   if (flag_pic)             \
00071     {               \
00072       builtin_define ("__PIC__");         \
00073       builtin_define ("__pic__");         \
00074     }               \
00075     }                 \
00076   while (0)
00077     
00078 /* BeOS uses lots of multichars, so don't warn about them unless the
00079    user explicitly asks for the warnings with -Wmultichar.  Note that
00080    CC1_SPEC is used for both cc1 and cc1plus.  */
00081 
00082 #undef CC1_SPEC
00083 #define CC1_SPEC "%{!no-fpic:%{!fno-pic:%{!fno-pie:%{!fpie:%{!fPIC:%{!fPIE:-fpic}}}}}} %{!Wmultichar: -Wno-multichar} %(cc1_cpu) %{profile:-p}"
00084 
00085 #undef CC1PLUS_SPEC
00086 #define CC1PLUS_SPEC "%{!Wctor-dtor-privacy:-Wno-ctor-dtor-privacy}"
00087 
00088 /* Provide a LINK_SPEC appropriate for BeOS.  Here we provide support
00089    for the special GCC options -static and -shared, which allow us to
00090    link things in one of these three modes by applying the appropriate
00091    combinations of options at link-time.  */
00092 
00093 /* If ELF is the default format, we should not use /lib/elf.  */
00094 
00095 #undef  LINK_SPEC
00096 #define LINK_SPEC "%{!o*:-o %b} -m elf_i386_be -shared -Bsymbolic %{nostart:-e 0}"
00097 
00098 /* Provide start and end file specs appropriate to glibc.  */
00099 
00100 /* LIB_SPEC for BeOS */
00101 #undef LIB_SPEC
00102 #define LIB_SPEC "-lnet -lroot"
00103 
00104 /* gcc runtime lib is built into libroot.so on BeOS */
00105 /* ??? This is gonna be lovely when the next release of gcc has 
00106    some new symbol in, so that links start failing.  */
00107 #undef LIBGCC_SPEC
00108 #define LIBGCC_SPEC ""
00109 
00110 #undef  STARTFILE_SPEC
00111 #define STARTFILE_SPEC "crti.o%s crtbegin.o%s %{!nostart:start_dyn.o%s} init_term_dyn.o%s %{p:i386-mcount.o%s}"
00112 
00113 #undef  ENDFILE_SPEC
00114 #define ENDFILE_SPEC "crtend.o%s crtn.o%s"
00115 
00116 /* A C statement (sans semicolon) to output to the stdio stream
00117    FILE the assembler definition of uninitialized global DECL named
00118    NAME whose size is SIZE bytes and alignment is ALIGN bytes.
00119    Try to use asm_output_aligned_bss to implement this macro.  */
00120 
00121 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
00122   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
00123 
00124 /* A C statement to output to the stdio stream FILE an assembler
00125    command to advance the location counter to a multiple of 1<<LOG
00126    bytes if it is within MAX_SKIP bytes.
00127 
00128    This is used to align code labels according to Intel recommendations.  */
00129 
00130 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
00131 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
00132   if ((LOG)!=0) \
00133     if ((MAX_SKIP)==0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
00134     else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP))
00135 #endif
00136 
00137 /* For native compiler, use standard BeOS include file search paths
00138    rooted in /boot/develop/headers.  For a cross compiler, don't
00139    expect the host to use the BeOS directory scheme, and instead look
00140    for the BeOS include files relative to TOOL_INCLUDE_DIR.  Yes, we
00141    use ANSI string concatenation here (FIXME) */
00142 
00143 #ifndef CROSS_COMPILE
00144 #undef INCLUDE_DEFAULTS
00145 #define INCLUDE_DEFAULTS \
00146     { \
00147     { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },\
00148     { GCC_INCLUDE_DIR, "GCC", 0, 0 },\
00149     { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1}, \
00150     { "/boot/develop/headers/be/add-ons/graphics", 0, 0, 0 },\
00151     { "/boot/develop/headers/be/devel", 0, 0, 0 },\
00152     { "/boot/develop/headers/be/translation", 0, 0, 0 },\
00153     { "/boot/develop/headers/be/mail", 0, 0, 0 },\
00154     { "/boot/develop/headers/gnu", 0, 0, 0 },\
00155     { "/boot/develop/headers/be/drivers", 0, 0, 0 },\
00156     { "/boot/develop/headers/be/opengl", 0, 0, 0 },\
00157     { "/boot/develop/headers/be/game", 0, 0, 0 },\
00158     { "/boot/develop/headers/be/support", 0, 0, 0 },\
00159     { "/boot/develop/headers/be/storage", 0, 0, 0 },\
00160     { "/boot/develop/headers/be/kernel", 0, 0, 0 },\
00161     { "/boot/develop/headers/be/net", 0, 0, 0 },\
00162     { "/boot/develop/headers/be/midi", 0, 0, 0 },\
00163     { "/boot/develop/headers/be/midi2", 0, 0, 0 },\
00164     { "/boot/develop/headers/be/media", 0, 0, 0 },\
00165     { "/boot/develop/headers/be/interface", 0, 0, 0 },\
00166     { "/boot/develop/headers/be/device", 0, 0, 0 },\
00167     { "/boot/develop/headers/be/app", 0, 0, 0 },\
00168     { "/boot/develop/headers/be/precompiled", 0, 0, 0 },\
00169     { "/boot/develop/headers/be/add-ons/input_server", 0, 0, 0 },\
00170     { "/boot/develop/headers/be/add-ons/net_server", 0, 0, 0 },\
00171     { "/boot/develop/headers/be/add-ons/screen_saver", 0, 0, 0 },\
00172     { "/boot/develop/headers/be/add-ons/tracker", 0, 0, 0 },\
00173     { "/boot/develop/headers/be/be_apps/Deskbar", 0, 0, 0 },\
00174     { "/boot/develop/headers/be/be_apps/NetPositive", 0, 0, 0 },\
00175     { "/boot/develop/headers/be/be_apps/Tracker", 0, 0, 0 },\
00176     { "/boot/develop/headers/be/drivers/tty", 0, 0, 0 },\
00177     { "/boot/develop/headers/be/net/netinet", 0, 0, 0 },\
00178     { "/boot/develop/headers/be/storage", 0, 0, 0 },\
00179     { "/boot/develop/headers/be", 0, 0, 0 },\
00180     { "/boot/develop/headers/cpp", 0, 0, 0 },\
00181     { "/boot/develop/headers/posix", 0, 0, 0 },\
00182     { "/boot/develop/headers", 0, 0, 0 }, \
00183     { 0, 0, 0, 0 } \
00184     }
00185 #else /* CROSS_COMPILE */
00186 #undef  INCLUDE_DEFAULTS
00187 #define INCLUDE_DEFAULTS        \
00188     { \
00189     { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },\
00190     { GCC_INCLUDE_DIR, "GCC", 0, 0 },\
00191     { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1}, \
00192     { CROSS_INCLUDE_DIR "/be/add-ons/graphics", 0, 0, 0 },\
00193     { CROSS_INCLUDE_DIR "/be/devel", 0, 0, 0 },\
00194     { CROSS_INCLUDE_DIR "/be/translation", 0, 0, 0 },\
00195     { CROSS_INCLUDE_DIR "/be/mail", 0, 0, 0 },\
00196     { CROSS_INCLUDE_DIR "/gnu", 0, 0, 0 },\
00197     { CROSS_INCLUDE_DIR "/be/drivers", 0, 0, 0 },\
00198     { CROSS_INCLUDE_DIR "/be/opengl", 0, 0, 0 },\
00199     { CROSS_INCLUDE_DIR "/be/game", 0, 0, 0 },\
00200     { CROSS_INCLUDE_DIR "/be/support", 0, 0, 0 },\
00201     { CROSS_INCLUDE_DIR "/be/storage", 0, 0, 0 },\
00202     { CROSS_INCLUDE_DIR "/be/kernel", 0, 0, 0 },\
00203     { CROSS_INCLUDE_DIR "/be/net", 0, 0, 0 },\
00204     { CROSS_INCLUDE_DIR "/be/midi", 0, 0, 0 },\
00205     { CROSS_INCLUDE_DIR "/be/midi2", 0, 0, 0 },\
00206     { CROSS_INCLUDE_DIR "/be/media", 0, 0, 0 },\
00207     { CROSS_INCLUDE_DIR "/be/interface", 0, 0, 0 },\
00208     { CROSS_INCLUDE_DIR "/be/device", 0, 0, 0 },\
00209     { CROSS_INCLUDE_DIR "/be/app", 0, 0, 0 },\
00210     { CROSS_INCLUDE_DIR "/be/precompiled", 0, 0, 0 },\
00211     { CROSS_INCLUDE_DIR "/be/add-ons/input_server", 0, 0, 0 },\
00212     { CROSS_INCLUDE_DIR "/be/add-ons/net_server", 0, 0, 0 },\
00213     { CROSS_INCLUDE_DIR "/be/add-ons/screen_saver", 0, 0, 0 },\
00214     { CROSS_INCLUDE_DIR "/be/add-ons/tracker", 0, 0, 0 },\
00215     { CROSS_INCLUDE_DIR "/be/be_apps/Deskbar", 0, 0, 0 },\
00216     { CROSS_INCLUDE_DIR "/be/be_apps/NetPositive", 0, 0, 0 },\
00217     { CROSS_INCLUDE_DIR "/be/be_apps/Tracker", 0, 0, 0 },\
00218     { CROSS_INCLUDE_DIR "/be/drivers/tty", 0, 0, 0 },\
00219     { CROSS_INCLUDE_DIR "/be/net/netinet", 0, 0, 0 },\
00220     { CROSS_INCLUDE_DIR "/be/storage", 0, 0, 0 },\
00221     { CROSS_INCLUDE_DIR "/be", 0, 0, 0 },\
00222     { CROSS_INCLUDE_DIR "/cpp", 0, 0, 0 },\
00223     { CROSS_INCLUDE_DIR "/posix", 0, 0, 0 },\
00224     { CROSS_INCLUDE_DIR , 0, 0, 0 }, \
00225     { 0, 0, 0, 0 } \
00226     }
00227 #endif
00228 
00229 /* Whee.  LIBRARY_PATH is Be's LD_LIBRARY_PATH, which of course will
00230    cause nasty problems if we override it.  */
00231 #define LIBRARY_PATH_ENV        "BELIBRARIES"
00232 
00233 /* BeOS doesn't have a separate math library.  */
00234 #define MATH_LIBRARY ""
00235 
00236 /* BeOS headers are C++-aware (and often use C++).  */
00237 #define NO_IMPLICIT_EXTERN_C
00238 
00239 /* BeOS uses explicit import from shared libraries.  */
00240 #define MULTIPLE_SYMBOL_SPACES 1