Mercurial > hg > CbC > CbC_gcc
diff gcc/config/arm/uclinux-eabi.h @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
parents | |
children | 04ced10e8804 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/config/arm/uclinux-eabi.h Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,66 @@ +/* Definitions for ARM EABI ucLinux + Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc. + Contributed by Paul Brook <paul@codesourcery.com> + + 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/>. */ + +/* Override settings that are different to the uclinux-elf or + bpabi defaults. */ + +#undef TARGET_DEFAULT +#define TARGET_DEFAULT (MASK_SINGLE_PIC_BASE | MASK_INTERWORK) + +/* 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(); \ + builtin_define ("__uClinux__"); \ + builtin_define ("__gnu_linux__"); \ + builtin_define_std ("linux"); \ + builtin_define_std ("unix"); \ + builtin_assert ("system=linux"); \ + builtin_assert ("system=unix"); \ + builtin_assert ("system=posix"); \ + } \ + while (false) + +#undef SUBTARGET_EXTRA_LINK_SPEC +#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi -elf2flt" \ + " --pic-veneer --target2=abs" + +/* 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 + +/* 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 0x0 @ sys_cacheflush" \ + : "=r" (_beg) \ + : "0" (_beg), "r" (_end), "r" (_flg), "r" (_scno)); \ +} +