Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/arm/vxworks.h @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | 04ced10e8804 |
| children | 1830386684a0 |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions of target machine for GCC, |
| 111 | 2 for ARM with targeting the VXWorks run time environment. |
| 131 | 3 Copyright (C) 1999-2018 Free Software Foundation, Inc. |
| 0 | 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 3, 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 | |
| 111 | 20 Under Section 7 of GPL version 3, you are granted additional |
| 21 permissions described in the GCC Runtime Library Exception, version | |
| 22 3.1, as published by the Free Software Foundation. | |
| 23 | |
| 24 You should have received a copy of the GNU General Public License and | |
| 25 a copy of the GCC Runtime Library Exception along with this program; | |
| 26 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 0 | 27 <http://www.gnu.org/licenses/>. */ |
| 28 | |
| 111 | 29 /* TARGET_OS_CPP_BUILTINS, down to BPABI if defined. */ |
| 0 | 30 |
| 111 | 31 #if defined (TARGET_BPABI_CPP_BUILTINS) |
| 32 #define MAYBE_TARGET_BPABI_CPP_BUILTINS TARGET_BPABI_CPP_BUILTINS | |
| 33 #else | |
| 34 #define MAYBE_TARGET_BPABI_CPP_BUILTINS() | |
| 35 #endif | |
| 36 | |
| 37 #undef TARGET_OS_CPP_BUILTINS | |
| 0 | 38 #define TARGET_OS_CPP_BUILTINS() \ |
| 39 do { \ | |
| 40 if (TARGET_BIG_END) \ | |
| 41 builtin_define ("ARMEB"); \ | |
| 42 else \ | |
| 43 builtin_define ("ARMEL"); \ | |
| 44 \ | |
| 45 if (arm_arch_xscale) \ | |
| 46 builtin_define ("CPU=XSCALE"); \ | |
| 111 | 47 else if (arm_arch7) \ |
| 48 { \ | |
| 49 if (!arm_arch_notm) \ | |
| 50 builtin_define ("CPU=ARMARCH7M"); \ | |
| 51 else if (TARGET_THUMB) \ | |
| 52 builtin_define ("CPU=ARMARCH7_T2"); \ | |
| 53 else \ | |
| 54 builtin_define ("CPU=ARMARCH7"); \ | |
| 55 } \ | |
| 56 else if (arm_arch6) \ | |
| 57 { \ | |
| 58 if (TARGET_THUMB) \ | |
| 59 builtin_define ("CPU=ARMARCH6_T"); \ | |
| 60 else \ | |
| 61 builtin_define ("CPU=ARMARCH6"); \ | |
| 62 } \ | |
| 131 | 63 else if (arm_arch5t) \ |
| 64 builtin_define ("CPU=ARMARCH5_T"); \ | |
| 0 | 65 else if (arm_arch4) \ |
| 66 { \ | |
| 111 | 67 if (TARGET_THUMB) \ |
| 0 | 68 builtin_define ("CPU=ARMARCH4_T"); \ |
| 69 else \ | |
| 70 builtin_define ("CPU=ARMARCH4"); \ | |
| 71 } \ | |
| 72 VXWORKS_OS_CPP_BUILTINS (); \ | |
| 111 | 73 MAYBE_TARGET_BPABI_CPP_BUILTINS (); \ |
| 0 | 74 } while (0) |
| 75 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
76 #undef SUBTARGET_OVERRIDE_OPTIONS |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
77 #define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS |
| 0 | 78 |
| 79 /* Subsume the arm/elf.h definition, and add RTP hooks. */ | |
| 80 #undef SUBTARGET_CPP_SPEC | |
| 81 #define SUBTARGET_CPP_SPEC "-D__ELF__" VXWORKS_ADDITIONAL_CPP_SPEC | |
| 82 | |
| 111 | 83 /* .text.hot and .text.unlikely sections are badly handled by the |
| 84 VxWorks kernel mode loader for ARM style exceptions. */ | |
| 85 | |
| 86 #if ARM_UNWIND_INFO | |
| 87 #define EXTRA_CC1_SPEC "%{!mrtp:-fno-reorder-functions}" | |
| 88 #else | |
| 89 #define EXTRA_CC1_SPEC | |
| 90 #endif | |
| 91 | |
| 0 | 92 #undef CC1_SPEC |
| 111 | 93 #define CC1_SPEC "" EXTRA_CC1_SPEC |
| 94 | |
| 95 /* Translate an explicit -mbig-endian as an explicit -EB to assembler | |
| 96 and linker, and pass abi options matching the target expectations | |
| 97 or command-line requests. */ | |
| 98 #define VXWORKS_ENDIAN_SPEC "%{mbig-endian:-EB}" | |
| 0 | 99 |
| 111 | 100 #if defined (TARGET_BPABI_CPP_BUILTINS) |
| 101 #define MAYBE_ASM_ABI_SPEC \ | |
| 102 "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=5}" TARGET_FIX_V4BX_SPEC | |
| 103 #else | |
| 104 #define MAYBE_ASM_ABI_SPEC | |
| 105 #endif | |
| 0 | 106 |
| 107 #undef SUBTARGET_EXTRA_ASM_SPEC | |
| 111 | 108 #define SUBTARGET_EXTRA_ASM_SPEC MAYBE_ASM_ABI_SPEC " " VXWORKS_ENDIAN_SPEC |
| 0 | 109 |
| 110 #undef LINK_SPEC | |
| 111 #define LINK_SPEC VXWORKS_LINK_SPEC " " VXWORKS_ENDIAN_SPEC | |
| 112 | |
| 113 #undef LIB_SPEC | |
| 114 #define LIB_SPEC VXWORKS_LIB_SPEC | |
| 115 | |
| 116 #undef STARTFILE_SPEC | |
| 117 #define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC | |
| 118 | |
| 119 #undef ENDFILE_SPEC | |
| 120 #define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC | |
| 121 | |
| 111 | 122 /* For exceptions, pre VX7 uses DWARF2 info, VX7 uses ARM unwinding. */ |
| 123 #undef DWARF2_UNWIND_INFO | |
| 124 #define DWARF2_UNWIND_INFO (!TARGET_VXWORKS7) | |
| 125 | |
| 126 #undef ARM_TARGET2_DWARF_FORMAT | |
| 127 #define ARM_TARGET2_DWARF_FORMAT \ | |
| 131 | 128 (TARGET_VXWORKS_RTP ? (DW_EH_PE_pcrel | DW_EH_PE_indirect) : DW_EH_PE_absptr) |
| 0 | 129 |
| 130 /* There is no default multilib. */ | |
| 131 #undef MULTILIB_DEFAULTS | |
| 132 | |
| 133 #undef FUNCTION_PROFILER | |
| 134 #define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER | |
| 135 | |
| 136 /* We want to be compatible with a version of "2.96" at one point in | |
| 137 the past before this macro was changed. */ | |
| 138 #undef DEFAULT_STRUCTURE_SIZE_BOUNDARY | |
| 139 #define DEFAULT_STRUCTURE_SIZE_BOUNDARY 8 | |
| 140 | |
| 141 /* The kernel loader does not allow relocations to overflow, so we | |
| 142 cannot allow arbitrary relocation addends in kernel modules or RTP | |
| 143 executables. Also, the dynamic loader uses the resolved relocation | |
| 144 value to distinguish references to the text and data segments, so we | |
| 145 cannot allow arbitrary offsets for shared libraries either. */ | |
| 146 #undef ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P | |
| 147 #define ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P 1 | |
| 148 | |
| 149 #undef TARGET_DEFAULT_WORD_RELOCATIONS | |
| 150 #define TARGET_DEFAULT_WORD_RELOCATIONS 1 | |
| 111 | 151 |
| 152 /* Define this to be nonzero if static stack checking is supported. */ | |
| 153 #define STACK_CHECK_STATIC_BUILTIN 1 | |
| 154 | |
| 155 /* This platform supports the probing method of stack checking (RTP mode). | |
| 156 8K is reserved in the stack to propagate exceptions in case of overflow. */ | |
| 157 #define STACK_CHECK_PROTECT 8192 | |
| 158 | |
| 159 /* Unless overridded by the target options, the default is little-endian. */ | |
| 160 #define TARGET_ENDIAN_DEFAULT 0 |