| /* Configuration file for ARM GNU/Linux EABI targets. |
| Copyright (C) 2004-2014 Free Software Foundation, Inc. |
| Contributed 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/>. */ |
| |
| /* On EABI GNU/Linux, we want both the BPABI builtins and the |
| GNU/Linux builtins. */ |
| #undef TARGET_OS_CPP_BUILTINS |
| #define TARGET_OS_CPP_BUILTINS() \ |
| do \ |
| { \ |
| TARGET_BPABI_CPP_BUILTINS(); \ |
| GNU_USER_TARGET_OS_CPP_BUILTINS(); \ |
| ANDROID_TARGET_OS_CPP_BUILTINS(); \ |
| } \ |
| while (false) |
| |
| /* We default to a soft-float ABI so that binaries can run on all |
| target hardware. If you override this to use the hard-float ABI then |
| change the setting of GLIBC_DYNAMIC_LINKER_DEFAULT as well. */ |
| #undef TARGET_DEFAULT_FLOAT_ABI |
| #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT |
| |
| /* We default to the "aapcs-linux" ABI so that enums are int-sized by |
| default. */ |
| #undef ARM_DEFAULT_ABI |
| #define ARM_DEFAULT_ABI ARM_ABI_AAPCS_LINUX |
| |
| /* Default to armv5t so that thumb shared libraries work. |
| The ARM10TDMI core is the default for armv5t, so set |
| SUBTARGET_CPU_DEFAULT to achieve this. */ |
| #undef SUBTARGET_CPU_DEFAULT |
| #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi |
| |
| /* TARGET_BIG_ENDIAN_DEFAULT is set in |
| config.gcc for big endian configurations. */ |
| #undef TARGET_LINKER_EMULATION |
| #if TARGET_BIG_ENDIAN_DEFAULT |
| #define TARGET_LINKER_EMULATION "armelfb_linux_eabi" |
| #else |
| #define TARGET_LINKER_EMULATION "armelf_linux_eabi" |
| #endif |
| |
| #undef SUBTARGET_EXTRA_LINK_SPEC |
| #define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION |
| |
| /* GNU/Linux on ARM currently supports three dynamic linkers: |
| - ld-linux.so.2 - for the legacy ABI |
| - ld-linux.so.3 - for the EABI-derived soft-float ABI |
| - ld-linux-armhf.so.3 - for the EABI-derived hard-float ABI. |
| All the dynamic linkers live in /lib. |
| We default to soft-float, but this can be overridden by changing both |
| GLIBC_DYNAMIC_LINKER_DEFAULT and TARGET_DEFAULT_FLOAT_ABI. */ |
| |
| #undef GLIBC_DYNAMIC_LINKER |
| #define GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "/lib/ld-linux.so.3" |
| #define GLIBC_DYNAMIC_LINKER_HARD_FLOAT "/lib/ld-linux-armhf.so.3" |
| #define GLIBC_DYNAMIC_LINKER_DEFAULT GLIBC_DYNAMIC_LINKER_SOFT_FLOAT |
| |
| #define GLIBC_DYNAMIC_LINKER \ |
| "%{mfloat-abi=hard:" GLIBC_DYNAMIC_LINKER_HARD_FLOAT "} \ |
| %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \ |
| %{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}" |
| |
| /* For ARM musl currently supports four dynamic linkers: |
| - ld-musl-arm.so.1 - for the EABI-derived soft-float ABI |
| - ld-musl-armhf.so.1 - for the EABI-derived hard-float ABI |
| - ld-musl-armeb.so.1 - for the EABI-derived soft-float ABI, EB |
| - ld-musl-armebhf.so.1 - for the EABI-derived hard-float ABI, EB |
| musl does not support the legacy OABI mode. |
| All the dynamic linkers live in /lib. |
| We default to soft-float, EL. */ |
| #undef MUSL_DYNAMIC_LINKER |
| #if TARGET_BIG_ENDIAN_DEFAULT |
| #define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:;:eb}" |
| #else |
| #define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:eb}" |
| #endif |
| #define MUSL_DYNAMIC_LINKER \ |
| "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}.so.1" |
| |
| /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to |
| use the GNU/Linux version, not the generic BPABI version. */ |
| #undef LINK_SPEC |
| #define LINK_SPEC EABI_LINK_SPEC \ |
| LINUX_OR_ANDROID_LD (LINUX_TARGET_LINK_SPEC, \ |
| LINUX_TARGET_LINK_SPEC " " ANDROID_LINK_SPEC) |
| |
| #undef ASAN_CC1_SPEC |
| #define ASAN_CC1_SPEC "%{%:sanitize(address):-funwind-tables}" |
| |
| #undef CC1_SPEC |
| #define CC1_SPEC \ |
| LINUX_OR_ANDROID_CC (GNU_USER_TARGET_CC1_SPEC " " ASAN_CC1_SPEC, \ |
| GNU_USER_TARGET_CC1_SPEC " " ASAN_CC1_SPEC " " \ |
| ANDROID_CC1_SPEC) |
| |
| #define CC1PLUS_SPEC \ |
| LINUX_OR_ANDROID_CC ("", ANDROID_CC1PLUS_SPEC) |
| |
| #undef LIB_SPEC |
| #define LIB_SPEC \ |
| LINUX_OR_ANDROID_LD (GNU_USER_TARGET_LIB_SPEC, \ |
| GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC " " ANDROID_LIB_SPEC) |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC \ |
| LINUX_OR_ANDROID_LD (GNU_USER_TARGET_STARTFILE_SPEC, ANDROID_STARTFILE_SPEC) |
| |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC \ |
| LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC) |
| |
| /* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we |
| do not use -lfloat. */ |
| #undef LIBGCC_SPEC |
| |
| /* Clear the instruction cache from `beg' to `end'. This is |
| implemented in lib1funcs.S, so ensure an error if this definition |
| is used. */ |
| #undef CLEAR_INSN_CACHE |
| #define CLEAR_INSN_CACHE(BEG, END) not_used |
| |
| #define ARM_TARGET2_DWARF_FORMAT (DW_EH_PE_pcrel | DW_EH_PE_indirect) |