/* Configuration file for ARM GNU/Linux EABI targets. Copyright (C) 2004, 2005, 2006 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 2, 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 COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* 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(); \ } \ 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 #undef SUBTARGET_EXTRA_LINK_SPEC #define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi" /* 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_TARGET_LINK_SPEC /* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we do not use -lfloat. */ #undef LIBGCC_SPEC /* Use the AAPCS type for wchar_t, or the previous Linux default for non-AAPCS. */ #undef WCHAR_TYPE #define WCHAR_TYPE (TARGET_AAPCS_BASED ? "unsigned int" : "long int") /* Clear the instruction cache from `beg' to `end'. This makes an inline system call to SYS_cacheflush. It is modified to work with both the original and EABI-only syscall interfaces. */ #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 0x9f0002 @ sys_cacheflush" \ : "=r" (_beg) \ : "0" (_beg), "r" (_end), "r" (_flg), "r" (_scno)); \ }