?? vxworks.h
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/* Definitions of target machine for GCC, for ARM with targetting the VXWorks run time environment. Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc. Contributed by: Mike Stump <mrs@wrs.com> Brought up to date by CodeSourcery, LLC. This file is part of GCC.GCC is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe Free Software Foundation; either version 2, or (at your option)any later version.GCC is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with GCC; see the file COPYING. If not, write tothe Free Software Foundation, 51 Franklin Street, Fifth Floor,Boston, MA 02110-1301, USA. */#define TARGET_OS_CPP_BUILTINS() \ do { \ builtin_define ("__vxworks"); \ if (TARGET_BIG_END) \ builtin_define ("ARMEB"); \ else \ builtin_define ("ARMEL"); \ \ if (arm_is_xscale) \ builtin_define ("CPU=XSCALE"); \ else if (arm_arch5) \ builtin_define ("CPU=ARMARCH5"); \ else if (arm_arch4) \ { \ if (thumb_code) \ builtin_define ("CPU=ARMARCH4_T"); \ else \ builtin_define ("CPU=ARMARCH4"); \ } \ } while (0)#undef CC1_SPEC#define CC1_SPEC \"%{t4: -mlittle-endian -march=armv4 ; \ t4be: -mbig-endian -march=armv4 ; \ t4t: -mthumb -mthumb-interwork -mlittle-endian -march=armv4t ; \ t4tbe: -mthumb -mthumb-interwork -mbig-endian -march=armv4t ; \ t5: -mlittle-endian -march=armv5 ; \ t5be: -mbig-endian -march=armv5 ; \ t5t: -mthumb -mthumb-interwork -mlittle-endian -march=armv5 ; \ t5tbe: -mthumb -mthumb-interwork -mbig-endian -march=armv5 ; \ txscale: -mlittle-endian -mcpu=xscale ; \ txscalebe: -mbig-endian -mcpu=xscale ; \ : -march=armv4}"/* The -Q options from svr4.h aren't understood and must be removed. */#undef ASM_SPEC#define ASM_SPEC \ "%{v:-V} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"/* VxWorks does all the library stuff itself. */#undef LIB_SPEC#define LIB_SPEC ""/* VxWorks uses object files, not loadable images. make linker just combine objects. */#undef LINK_SPEC#define LINK_SPEC "-r"/* VxWorks provides the functionality of crt0.o and friends itself. */#undef STARTFILE_SPEC#define STARTFILE_SPEC ""#undef ENDFILE_SPEC#define ENDFILE_SPEC ""#undef TARGET_VERSION#define TARGET_VERSION fputs (" (ARM/VxWorks)", stderr);/* There is no default multilib. */#undef MULTILIB_DEFAULTS#undef ASM_FILE_START#define ASM_FILE_START(STREAM) \ do \ { \ fprintf (STREAM, "%s Generated by GCC %s for ARM/VxWorks\n", \ ASM_COMMENT_START, version_string); \ } \ while (0)
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