beos-elf.h revision 259563
1/* Definitions for Intel x86 running BeOS 2 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004 3 Free Software Foundation, Inc. 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 2, or (at your option) 10any later version. 11 12GCC is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING. If not, write to 19the Free Software Foundation, 51 Franklin Street, Fifth Floor, 20Boston, 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_DIRECTORY_STRUCTURE 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_DIRECTORY_STRUCTURE */ 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 1 236