1 /* Definitions of target machine for GCC, 2 for ARM with targetting the VXWorks run time environment. 3 Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc. 4 5 Contributed by: Mike Stump <mrs@wrs.com> 6 Brought up to date by CodeSourcery, LLC. 7 8 This file is part of GCC. 9 10 GCC is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2, or (at your option) 13 any later version. 14 15 GCC is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with GCC; see the file COPYING. If not, write to 22 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 23 Boston, MA 02110-1301, USA. */ 24 25 26 #define TARGET_OS_CPP_BUILTINS() \ 27 do { \ 28 builtin_define ("__vxworks"); \ 29 if (TARGET_BIG_END) \ 30 builtin_define ("ARMEB"); \ 31 else \ 32 builtin_define ("ARMEL"); \ 33 \ 34 if (arm_is_xscale) \ 35 builtin_define ("CPU=XSCALE"); \ 36 else if (arm_arch5) \ 37 builtin_define ("CPU=ARMARCH5"); \ 38 else if (arm_arch4) \ 39 { \ 40 if (thumb_code) \ 41 builtin_define ("CPU=ARMARCH4_T"); \ 42 else \ 43 builtin_define ("CPU=ARMARCH4"); \ 44 } \ 45 } while (0) 46 47 #undef CC1_SPEC 48 #define CC1_SPEC \ 49 "%{t4: -mlittle-endian -march=armv4 ; \ 50 t4be: -mbig-endian -march=armv4 ; \ 51 t4t: -mthumb -mthumb-interwork -mlittle-endian -march=armv4t ; \ 52 t4tbe: -mthumb -mthumb-interwork -mbig-endian -march=armv4t ; \ 53 t5: -mlittle-endian -march=armv5 ; \ 54 t5be: -mbig-endian -march=armv5 ; \ 55 t5t: -mthumb -mthumb-interwork -mlittle-endian -march=armv5 ; \ 56 t5tbe: -mthumb -mthumb-interwork -mbig-endian -march=armv5 ; \ 57 txscale: -mlittle-endian -mcpu=xscale ; \ 58 txscalebe: -mbig-endian -mcpu=xscale ; \ 59 : -march=armv4}" 60 61 /* The -Q options from svr4.h aren't understood and must be removed. */ 62 #undef ASM_SPEC 63 #define ASM_SPEC \ 64 "%{v:-V} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}" 65 66 /* VxWorks does all the library stuff itself. */ 67 #undef LIB_SPEC 68 #define LIB_SPEC "" 69 70 /* VxWorks uses object files, not loadable images. make linker just 71 combine objects. */ 72 #undef LINK_SPEC 73 #define LINK_SPEC "-r" 74 75 /* VxWorks provides the functionality of crt0.o and friends itself. */ 76 #undef STARTFILE_SPEC 77 #define STARTFILE_SPEC "" 78 79 #undef ENDFILE_SPEC 80 #define ENDFILE_SPEC "" 81 82 #undef TARGET_VERSION 83 #define TARGET_VERSION fputs (" (ARM/VxWorks)", stderr); 84 85 /* There is no default multilib. */ 86 #undef MULTILIB_DEFAULTS 87 88 #undef ASM_FILE_START 89 #define ASM_FILE_START(STREAM) \ 90 do \ 91 { \ 92 fprintf (STREAM, "%s Generated by GCC %s for ARM/VxWorks\n", \ 93 ASM_COMMENT_START, version_string); \ 94 } \ 95 while (0) 96