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.
5 Contributed by: Mike Stump <mrs@wrs.com>
6 Brought up to date by CodeSourcery, LLC.
8 This file is part of GCC.
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)
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.
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. */
26 #define TARGET_OS_CPP_BUILTINS() \
29 builtin_define ("ARMEB"); \
31 builtin_define ("ARMEL"); \
33 if (arm_arch_xscale) \
34 builtin_define ("CPU=XSCALE"); \
36 builtin_define ("CPU=ARMARCH5"); \
40 builtin_define ("CPU=ARMARCH4_T"); \
42 builtin_define ("CPU=ARMARCH4"); \
44 VXWORKS_OS_CPP_BUILTINS (); \
47 #undef OVERRIDE_OPTIONS
48 #define OVERRIDE_OPTIONS \
51 VXWORKS_OVERRIDE_OPTIONS; \
52 arm_override_options (); \
56 /* Subsume the arm/elf.h definition, and add RTP hooks. */
57 #undef SUBTARGET_CPP_SPEC
58 #define SUBTARGET_CPP_SPEC "-D__ELF__" VXWORKS_ADDITIONAL_CPP_SPEC
62 "%{tstrongarm:-mlittle-endian -mcpu=strongarm ; \
63 t4: -mlittle-endian -march=armv4 ; \
64 t4be: -mbig-endian -march=armv4 ; \
65 t4t: -mthumb -mthumb-interwork -mlittle-endian -march=armv4t ; \
66 t4tbe: -mthumb -mthumb-interwork -mbig-endian -march=armv4t ; \
67 t5: -mlittle-endian -march=armv5 ; \
68 t5be: -mbig-endian -march=armv5 ; \
69 t5t: -mthumb -mthumb-interwork -mlittle-endian -march=armv5 ; \
70 t5tbe: -mthumb -mthumb-interwork -mbig-endian -march=armv5 ; \
71 txscale: -mlittle-endian -mcpu=xscale ; \
72 txscalebe: -mbig-endian -mcpu=xscale ; \
75 /* Pass -EB for big-endian targets. */
76 #define VXWORKS_ENDIAN_SPEC \
77 "%{mbig-endian|t4be|t4tbe|t5be|t5tbe|txscalebe:-EB}"
79 #undef SUBTARGET_EXTRA_ASM_SPEC
80 #define SUBTARGET_EXTRA_ASM_SPEC VXWORKS_ENDIAN_SPEC
83 #define LINK_SPEC VXWORKS_LINK_SPEC " " VXWORKS_ENDIAN_SPEC
86 #define LIB_SPEC VXWORKS_LIB_SPEC
89 #define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC
92 #define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC
95 #define TARGET_VERSION fputs (" (ARM/VxWorks)", stderr);
97 /* There is no default multilib. */
98 #undef MULTILIB_DEFAULTS
100 #define FPUTYPE_DEFAULT FPUTYPE_VFP
102 #undef FUNCTION_PROFILER
103 #define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER
105 /* We want to be compatible with a version of "2.96" at one point in
106 the past before this macro was changed. */
107 #undef DEFAULT_STRUCTURE_SIZE_BOUNDARY
108 #define DEFAULT_STRUCTURE_SIZE_BOUNDARY 8