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/* Configuration file for ARM BPABI targets.

   Copyright (C) 2004, 2005, 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/>.  */

/* Use the AAPCS ABI by default.  */

#define ARM_DEFAULT_ABI ARM_ABI_AAPCS

/* Assume that AAPCS ABIs should adhere to the full BPABI.  */

#define TARGET_BPABI (TARGET_AAPCS_BASED)

/* BPABI targets use EABI frame unwinding tables.  */

#define TARGET_UNWIND_INFO 1

/* Section 4.1 of the AAPCS requires the use of VFP format.  */

#undef FPUTYPE_DEFAULT

#define FPUTYPE_DEFAULT FPUTYPE_VFP

/* EABI targets should enable interworking by default.  */

#undef TARGET_DEFAULT

#define TARGET_DEFAULT MASK_INTERWORK

/* The ARM BPABI functions return a boolean; they use no special

   calling convention.  */

#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) TARGET_BPABI

/* The BPABI integer comparison routines return { -1, 0, 1 }.  */

#define TARGET_LIB_INT_CMP_BIASED !TARGET_BPABI

/* Tell the assembler to build BPABI binaries.  */

#undef SUBTARGET_EXTRA_ASM_SPEC

#define SUBTARGET_EXTRA_ASM_SPEC "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=4}"

/* The generic link spec in elf.h does not support shared libraries.  */

#undef LINK_SPEC

#define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} "           \

  "%{static:-Bstatic} %{shared:-shared} %{symbolic:-Bsymbolic} "        \

  "-X"

#if defined (__thumb__)

#define RENAME_LIBRARY_SET ".thumb_set"

#else

#define RENAME_LIBRARY_SET ".set"

#endif

/* Make __aeabi_AEABI_NAME an alias for __GCC_NAME.  */

#define RENAME_LIBRARY(GCC_NAME, AEABI_NAME)            \

  __asm__ (".globl\t__aeabi_" #AEABI_NAME "\n"          \

           RENAME_LIBRARY_SET "\t__aeabi_" #AEABI_NAME  \

             ", __" #GCC_NAME "\n");

/* Give some libgcc functions an additional __aeabi name.  */

#ifdef L_muldi3

#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)

#endif

#ifdef L_muldi3

#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)

#endif

#ifdef L_fixdfdi

#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixdfdi, d2lz)

#endif

#ifdef L_fixunsdfdi

#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, d2ulz)

#endif

#ifdef L_fixsfdi

#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, f2lz)

#endif

#ifdef L_fixunssfdi

#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, f2ulz)

#endif

#ifdef L_floatdidf

#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdidf, l2d)

#endif

#ifdef L_floatdisf

#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdisf, l2f)

#endif

/* The BPABI requires that we always use an out-of-line implementation

   of RTTI comparison, even if the target supports weak symbols,

   because the same object file might be used on a target that does

   not support merging symbols across DLL boundaries.  This macro is

   broken out separately so that it can be used within

   TARGET_OS_CPP_BUILTINS in configuration files for systems based on

   the BPABI.  */

#define TARGET_BPABI_CPP_BUILTINS()                     \

  do                                                    \

    {                                                   \

      builtin_define ("__GXX_MERGED_TYPEINFO_NAMES=0"); \

    }                                                   \

  while (false)

#undef TARGET_OS_CPP_BUILTINS

#define TARGET_OS_CPP_BUILTINS() \

  TARGET_BPABI_CPP_BUILTINS()

/* The BPABI specifies the use of .{init,fini}_array.  Therefore, we

   do not want GCC to put anything into the .{init,fini} sections.  */

#undef INIT_SECTION_ASM_OP

#undef FINI_SECTION_ASM_OP

#define INIT_ARRAY_SECTION_ASM_OP ARM_EABI_CTORS_SECTION_OP

#define FINI_ARRAY_SECTION_ASM_OP ARM_EABI_DTORS_SECTION_OP