Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/arm/linux-eabi.h @ 145:1830386684a0
gcc-9.2.0
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 11:34:05 +0900 |
| parents | 84e7813d76e9 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Configuration file for ARM GNU/Linux EABI targets. |
| 145 | 2 Copyright (C) 2004-2020 Free Software Foundation, Inc. |
| 0 | 3 Contributed by CodeSourcery, LLC |
| 4 | |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published | |
| 9 by the Free Software Foundation; either version 3, or (at your | |
| 10 option) any later version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 15 License for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with GCC; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. */ | |
| 20 | |
| 21 /* On EABI GNU/Linux, we want both the BPABI builtins and the | |
| 22 GNU/Linux builtins. */ | |
| 23 #undef TARGET_OS_CPP_BUILTINS | |
| 24 #define TARGET_OS_CPP_BUILTINS() \ | |
| 25 do \ | |
| 26 { \ | |
| 27 TARGET_BPABI_CPP_BUILTINS(); \ | |
| 111 | 28 GNU_USER_TARGET_OS_CPP_BUILTINS(); \ |
|
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29 ANDROID_TARGET_OS_CPP_BUILTINS(); \ |
| 0 | 30 } \ |
| 31 while (false) | |
| 32 | |
| 145 | 33 #define EXTRA_TARGET_D_OS_VERSIONS() \ |
| 34 ANDROID_TARGET_D_OS_VERSIONS(); | |
| 35 | |
| 0 | 36 /* We default to a soft-float ABI so that binaries can run on all |
| 111 | 37 target hardware. If you override this to use the hard-float ABI then |
| 38 change the setting of GLIBC_DYNAMIC_LINKER_DEFAULT as well. */ | |
| 0 | 39 #undef TARGET_DEFAULT_FLOAT_ABI |
| 40 #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT | |
| 41 | |
| 42 /* We default to the "aapcs-linux" ABI so that enums are int-sized by | |
| 43 default. */ | |
| 44 #undef ARM_DEFAULT_ABI | |
| 45 #define ARM_DEFAULT_ABI ARM_ABI_AAPCS_LINUX | |
| 46 | |
| 47 /* TARGET_BIG_ENDIAN_DEFAULT is set in | |
| 48 config.gcc for big endian configurations. */ | |
| 49 #undef TARGET_LINKER_EMULATION | |
| 50 #if TARGET_BIG_ENDIAN_DEFAULT | |
| 51 #define TARGET_LINKER_EMULATION "armelfb_linux_eabi" | |
| 52 #else | |
| 53 #define TARGET_LINKER_EMULATION "armelf_linux_eabi" | |
| 54 #endif | |
| 55 | |
| 56 #undef SUBTARGET_EXTRA_LINK_SPEC | |
| 57 #define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION | |
| 58 | |
| 111 | 59 /* GNU/Linux on ARM currently supports three dynamic linkers: |
| 60 - ld-linux.so.2 - for the legacy ABI | |
| 61 - ld-linux.so.3 - for the EABI-derived soft-float ABI | |
| 62 - ld-linux-armhf.so.3 - for the EABI-derived hard-float ABI. | |
| 63 All the dynamic linkers live in /lib. | |
| 64 We default to soft-float, but this can be overridden by changing both | |
| 65 GLIBC_DYNAMIC_LINKER_DEFAULT and TARGET_DEFAULT_FLOAT_ABI. */ | |
| 66 | |
| 0 | 67 #undef GLIBC_DYNAMIC_LINKER |
| 111 | 68 #define GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "/lib/ld-linux.so.3" |
| 69 #define GLIBC_DYNAMIC_LINKER_HARD_FLOAT "/lib/ld-linux-armhf.so.3" | |
| 70 #define GLIBC_DYNAMIC_LINKER_DEFAULT GLIBC_DYNAMIC_LINKER_SOFT_FLOAT | |
| 71 | |
| 72 #define GLIBC_DYNAMIC_LINKER \ | |
| 73 "%{mfloat-abi=hard:" GLIBC_DYNAMIC_LINKER_HARD_FLOAT "} \ | |
| 74 %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \ | |
| 75 %{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}" | |
| 76 | |
| 77 /* For ARM musl currently supports four dynamic linkers: | |
| 78 - ld-musl-arm.so.1 - for the EABI-derived soft-float ABI | |
| 79 - ld-musl-armhf.so.1 - for the EABI-derived hard-float ABI | |
| 80 - ld-musl-armeb.so.1 - for the EABI-derived soft-float ABI, EB | |
| 81 - ld-musl-armebhf.so.1 - for the EABI-derived hard-float ABI, EB | |
| 82 musl does not support the legacy OABI mode. | |
| 83 All the dynamic linkers live in /lib. | |
| 84 We default to soft-float, EL. */ | |
| 85 #undef MUSL_DYNAMIC_LINKER | |
| 86 #if TARGET_BIG_ENDIAN_DEFAULT | |
| 87 #define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:;:eb}" | |
| 88 #else | |
| 89 #define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:eb}" | |
| 90 #endif | |
| 91 #define MUSL_DYNAMIC_LINKER \ | |
| 145 | 92 "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}%{mfdpic:-fdpic}.so.1" |
| 0 | 93 |
| 94 /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to | |
| 95 use the GNU/Linux version, not the generic BPABI version. */ | |
| 96 #undef LINK_SPEC | |
| 111 | 97 #define LINK_SPEC EABI_LINK_SPEC \ |
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98 LINUX_OR_ANDROID_LD (LINUX_TARGET_LINK_SPEC, \ |
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99 LINUX_TARGET_LINK_SPEC " " ANDROID_LINK_SPEC) |
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100 |
| 111 | 101 #undef ASAN_CC1_SPEC |
| 102 #define ASAN_CC1_SPEC "%{%:sanitize(address):-funwind-tables}" | |
| 103 | |
| 145 | 104 #define FDPIC_CC1_SPEC "" |
| 105 | |
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106 #undef CC1_SPEC |
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107 #define CC1_SPEC \ |
| 145 | 108 LINUX_OR_ANDROID_CC (GNU_USER_TARGET_CC1_SPEC " " ASAN_CC1_SPEC " " \ |
| 109 FDPIC_CC1_SPEC, \ | |
| 111 | 110 GNU_USER_TARGET_CC1_SPEC " " ASAN_CC1_SPEC " " \ |
| 111 ANDROID_CC1_SPEC) | |
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112 |
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113 #define CC1PLUS_SPEC \ |
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114 LINUX_OR_ANDROID_CC ("", ANDROID_CC1PLUS_SPEC) |
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115 |
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116 #undef LIB_SPEC |
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117 #define LIB_SPEC \ |
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118 LINUX_OR_ANDROID_LD (GNU_USER_TARGET_LIB_SPEC, \ |
| 111 | 119 GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC " " ANDROID_LIB_SPEC) |
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120 |
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121 #undef STARTFILE_SPEC |
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122 #define STARTFILE_SPEC \ |
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123 LINUX_OR_ANDROID_LD (GNU_USER_TARGET_STARTFILE_SPEC, ANDROID_STARTFILE_SPEC) |
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124 |
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125 #undef ENDFILE_SPEC |
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126 #define ENDFILE_SPEC \ |
| 111 | 127 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \ |
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128 LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC) |
| 0 | 129 |
| 130 /* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we | |
| 131 do not use -lfloat. */ | |
| 132 #undef LIBGCC_SPEC | |
| 133 | |
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134 /* Clear the instruction cache from `beg' to `end'. This is |
| 111 | 135 implemented in lib1funcs.S, so ensure an error if this definition |
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136 is used. */ |
| 0 | 137 #undef CLEAR_INSN_CACHE |
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138 #define CLEAR_INSN_CACHE(BEG, END) not_used |
| 111 | 139 |
| 140 #define ARM_TARGET2_DWARF_FORMAT (DW_EH_PE_pcrel | DW_EH_PE_indirect) |