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Diffstat (limited to 'gcc-4.9/gcc/config/arm/vxworks.h')
| -rw-r--r-- | gcc-4.9/gcc/config/arm/vxworks.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/arm/vxworks.h b/gcc-4.9/gcc/config/arm/vxworks.h new file mode 100644 index 000000000..8bef16bc4 --- /dev/null +++ b/gcc-4.9/gcc/config/arm/vxworks.h @@ -0,0 +1,109 @@ +/* Definitions of target machine for GCC, + for ARM with targeting the VXWorks run time environment. + Copyright (C) 1999-2014 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 modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, 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 of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + + +#define TARGET_OS_CPP_BUILTINS() \ + do { \ + if (TARGET_BIG_END) \ + builtin_define ("ARMEB"); \ + else \ + builtin_define ("ARMEL"); \ + \ + if (arm_arch_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"); \ + } \ + VXWORKS_OS_CPP_BUILTINS (); \ + } while (0) + +#undef SUBTARGET_OVERRIDE_OPTIONS +#define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS + +/* Subsume the arm/elf.h definition, and add RTP hooks. */ +#undef SUBTARGET_CPP_SPEC +#define SUBTARGET_CPP_SPEC "-D__ELF__" VXWORKS_ADDITIONAL_CPP_SPEC + +#undef CC1_SPEC +#define CC1_SPEC \ +"%{tstrongarm:-mlittle-endian -mcpu=strongarm ; \ + 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}" + +/* Pass -EB for big-endian targets. */ +#define VXWORKS_ENDIAN_SPEC \ + "%{mbig-endian|t4be|t4tbe|t5be|t5tbe|txscalebe:-EB}" + +#undef SUBTARGET_EXTRA_ASM_SPEC +#define SUBTARGET_EXTRA_ASM_SPEC VXWORKS_ENDIAN_SPEC + +#undef LINK_SPEC +#define LINK_SPEC VXWORKS_LINK_SPEC " " VXWORKS_ENDIAN_SPEC + +#undef LIB_SPEC +#define LIB_SPEC VXWORKS_LIB_SPEC + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC + +/* There is no default multilib. */ +#undef MULTILIB_DEFAULTS + +#define FPUTYPE_DEFAULT "vfp" + +#undef FUNCTION_PROFILER +#define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER + +/* We want to be compatible with a version of "2.96" at one point in + the past before this macro was changed. */ +#undef DEFAULT_STRUCTURE_SIZE_BOUNDARY +#define DEFAULT_STRUCTURE_SIZE_BOUNDARY 8 + +/* The kernel loader does not allow relocations to overflow, so we + cannot allow arbitrary relocation addends in kernel modules or RTP + executables. Also, the dynamic loader uses the resolved relocation + value to distinguish references to the text and data segments, so we + cannot allow arbitrary offsets for shared libraries either. */ +#undef ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P +#define ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P 1 + +#undef TARGET_DEFAULT_WORD_RELOCATIONS +#define TARGET_DEFAULT_WORD_RELOCATIONS 1 |