| /* Configuration file for ARM GNU/Linux EABI targets. |
| Copyright (C) 2004, 2005, 2006, 2007 |
| 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(); \ |
| LINUX_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. */ |
| #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_arm10tdmi |
| |
| /* 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 |
| |
| /* Use ld-linux.so.3 so that it will be possible to run "classic" |
| GNU/Linux binaries on an EABI system. */ |
| #undef GLIBC_DYNAMIC_LINKER |
| #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3" |
| |
| /* 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 \ |
| LINUX_OR_ANDROID_LD (LINUX_TARGET_LINK_SPEC, \ |
| LINUX_TARGET_LINK_SPEC " " ANDROID_LINK_SPEC) |
| |
| #undef CC1_SPEC |
| #define CC1_SPEC \ |
| LINUX_OR_ANDROID_CC (LINUX_TARGET_CC1_SPEC, \ |
| LINUX_TARGET_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 (LINUX_TARGET_LIB_SPEC, \ |
| LINUX_TARGET_LIB_SPEC " " ANDROID_LIB_SPEC) |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC \ |
| LINUX_OR_ANDROID_LD (LINUX_TARGET_STARTFILE_SPEC, ANDROID_STARTFILE_SPEC) |
| |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC \ |
| LINUX_OR_ANDROID_LD (LINUX_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 makes an |
| inline system call to SYS_cacheflush. */ |
| #undef CLEAR_INSN_CACHE |
| #define CLEAR_INSN_CACHE(BEG, END) \ |
| { \ |
| register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \ |
| register unsigned long _end __asm ("a2") = (unsigned long) (END); \ |
| register unsigned long _flg __asm ("a3") = 0; \ |
| register unsigned long _scno __asm ("r7") = 0xf0002; \ |
| __asm __volatile ("swi 0 @ sys_cacheflush" \ |
| : "=r" (_beg) \ |
| : "0" (_beg), "r" (_end), "r" (_flg), "r" (_scno)); \ |
| } |
