/* Configuration file for ARM GNU/Linux EABI targets.
|
/* Configuration file for ARM GNU/Linux EABI targets.
|
Copyright (C) 2004, 2005, 2006, 2007
|
Copyright (C) 2004, 2005, 2006, 2007
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
Contributed by CodeSourcery, LLC
|
Contributed by CodeSourcery, LLC
|
|
|
This file is part of GCC.
|
This file is part of GCC.
|
|
|
GCC is free software; you can redistribute it and/or modify it
|
GCC is free software; you can redistribute it and/or modify it
|
under the terms of the GNU General Public License as published
|
under the terms of the GNU General Public License as published
|
by the Free Software Foundation; either version 3, or (at your
|
by the Free Software Foundation; either version 3, or (at your
|
option) any later version.
|
option) any later version.
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT
|
GCC is distributed in the hope that it will be useful, but WITHOUT
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
License for more details.
|
License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with GCC; see the file COPYING3. If not see
|
along with GCC; see the file COPYING3. If not see
|
<http://www.gnu.org/licenses/>. */
|
<http://www.gnu.org/licenses/>. */
|
|
|
/* On EABI GNU/Linux, we want both the BPABI builtins and the
|
/* On EABI GNU/Linux, we want both the BPABI builtins and the
|
GNU/Linux builtins. */
|
GNU/Linux builtins. */
|
#undef TARGET_OS_CPP_BUILTINS
|
#undef TARGET_OS_CPP_BUILTINS
|
#define TARGET_OS_CPP_BUILTINS() \
|
#define TARGET_OS_CPP_BUILTINS() \
|
do \
|
do \
|
{ \
|
{ \
|
TARGET_BPABI_CPP_BUILTINS(); \
|
TARGET_BPABI_CPP_BUILTINS(); \
|
LINUX_TARGET_OS_CPP_BUILTINS(); \
|
LINUX_TARGET_OS_CPP_BUILTINS(); \
|
} \
|
} \
|
while (false)
|
while (false)
|
|
|
/* We default to a soft-float ABI so that binaries can run on all
|
/* We default to a soft-float ABI so that binaries can run on all
|
target hardware. */
|
target hardware. */
|
#undef TARGET_DEFAULT_FLOAT_ABI
|
#undef TARGET_DEFAULT_FLOAT_ABI
|
#define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT
|
#define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT
|
|
|
/* We default to the "aapcs-linux" ABI so that enums are int-sized by
|
/* We default to the "aapcs-linux" ABI so that enums are int-sized by
|
default. */
|
default. */
|
#undef ARM_DEFAULT_ABI
|
#undef ARM_DEFAULT_ABI
|
#define ARM_DEFAULT_ABI ARM_ABI_AAPCS_LINUX
|
#define ARM_DEFAULT_ABI ARM_ABI_AAPCS_LINUX
|
|
|
/* Default to armv5t so that thumb shared libraries work.
|
/* Default to armv5t so that thumb shared libraries work.
|
The ARM10TDMI core is the default for armv5t, so set
|
The ARM10TDMI core is the default for armv5t, so set
|
SUBTARGET_CPU_DEFAULT to achieve this. */
|
SUBTARGET_CPU_DEFAULT to achieve this. */
|
#undef SUBTARGET_CPU_DEFAULT
|
#undef SUBTARGET_CPU_DEFAULT
|
#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
|
#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
|
|
|
#undef SUBTARGET_EXTRA_LINK_SPEC
|
#undef SUBTARGET_EXTRA_LINK_SPEC
|
#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"
|
#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"
|
|
|
/* Use ld-linux.so.3 so that it will be possible to run "classic"
|
/* Use ld-linux.so.3 so that it will be possible to run "classic"
|
GNU/Linux binaries on an EABI system. */
|
GNU/Linux binaries on an EABI system. */
|
#undef GLIBC_DYNAMIC_LINKER
|
#undef GLIBC_DYNAMIC_LINKER
|
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3"
|
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3"
|
|
|
/* At this point, bpabi.h will have clobbered LINK_SPEC. We want to
|
/* At this point, bpabi.h will have clobbered LINK_SPEC. We want to
|
use the GNU/Linux version, not the generic BPABI version. */
|
use the GNU/Linux version, not the generic BPABI version. */
|
#undef LINK_SPEC
|
#undef LINK_SPEC
|
#define LINK_SPEC LINUX_TARGET_LINK_SPEC
|
#define LINK_SPEC LINUX_TARGET_LINK_SPEC
|
|
|
/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
|
/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
|
do not use -lfloat. */
|
do not use -lfloat. */
|
#undef LIBGCC_SPEC
|
#undef LIBGCC_SPEC
|
|
|
/* Use the AAPCS type for wchar_t, or the previous Linux default for
|
/* Use the AAPCS type for wchar_t, or the previous Linux default for
|
non-AAPCS. */
|
non-AAPCS. */
|
#undef WCHAR_TYPE
|
#undef WCHAR_TYPE
|
#define WCHAR_TYPE (TARGET_AAPCS_BASED ? "unsigned int" : "long int")
|
#define WCHAR_TYPE (TARGET_AAPCS_BASED ? "unsigned int" : "long int")
|
|
|
/* Clear the instruction cache from `beg' to `end'. This makes an
|
/* Clear the instruction cache from `beg' to `end'. This makes an
|
inline system call to SYS_cacheflush. It is modified to work with
|
inline system call to SYS_cacheflush. It is modified to work with
|
both the original and EABI-only syscall interfaces. */
|
both the original and EABI-only syscall interfaces. */
|
#undef CLEAR_INSN_CACHE
|
#undef CLEAR_INSN_CACHE
|
#define CLEAR_INSN_CACHE(BEG, END) \
|
#define CLEAR_INSN_CACHE(BEG, END) \
|
{ \
|
{ \
|
register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \
|
register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \
|
register unsigned long _end __asm ("a2") = (unsigned long) (END); \
|
register unsigned long _end __asm ("a2") = (unsigned long) (END); \
|
register unsigned long _flg __asm ("a3") = 0; \
|
register unsigned long _flg __asm ("a3") = 0; \
|
register unsigned long _scno __asm ("r7") = 0xf0002; \
|
register unsigned long _scno __asm ("r7") = 0xf0002; \
|
__asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \
|
__asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \
|
: "=r" (_beg) \
|
: "=r" (_beg) \
|
: "0" (_beg), "r" (_end), "r" (_flg), "r" (_scno)); \
|
: "0" (_beg), "r" (_end), "r" (_flg), "r" (_scno)); \
|
}
|
}
|
|
|
