--- /dev/null
+/* Configuration file for ARM BPABI targets.
+ Copyright (C) 2004, 2005, 2007, 2008, 2009
+ 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
+
+/* TARGET_BIG_ENDIAN_DEFAULT is set in
+ config.gcc for big endian configurations. */
+#if TARGET_BIG_ENDIAN_DEFAULT
+#define TARGET_ENDIAN_DEFAULT MASK_BIG_END
+#else
+#define TARGET_ENDIAN_DEFAULT 0
+#endif
+
+/* EABI targets should enable interworking by default. */
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT (MASK_INTERWORK | TARGET_ENDIAN_DEFAULT)
+
+/* 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
+
+#define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*|march=armv4:--fix-v4bx}"
+
+/* 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=5}" TARGET_FIX_V4BX_SPEC
+
+#ifndef SUBTARGET_EXTRA_LINK_SPEC
+#define SUBTARGET_EXTRA_LINK_SPEC ""
+#endif
+
+/* The generic link spec in elf.h does not support shared libraries. */
+#define BPABI_LINK_SPEC \
+ "%{mbig-endian:-EB} %{mlittle-endian:-EL} " \
+ "%{static:-Bstatic} %{shared:-shared} %{symbolic:-Bsymbolic} " \
+ "-X" SUBTARGET_EXTRA_LINK_SPEC TARGET_FIX_V4BX_SPEC
+
+#undef LINK_SPEC
+#define LINK_SPEC BPABI_LINK_SPEC
+
+#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
+
+/* These renames are needed on ARMv6M. Other targets get them from
+ assembly routines. */
+#ifdef L_fixunsdfsi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfsi, d2uiz)
+#endif
+#ifdef L_fixunssfsi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfsi, f2uiz)
+#endif
+#ifdef L_floatundidf
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundidf, ul2d)
+#endif
+#ifdef L_floatundisf
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundisf, ul2f)
+#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_TYPEINFO_EQUALITY_INLINE=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
+
+/* The legacy _mcount implementation assumes r11 points to a
+ 4-word APCS frame. This is generally not true for EABI targets,
+ particularly not in Thumb mode. We assume the mcount
+ implementation does not require a counter variable (No Counter).
+ Note that __gnu_mcount_nc will be entered with a misaligned stack.
+ This is OK because it uses a special calling convention anyway. */
+
+#undef NO_PROFILE_COUNTERS
+#define NO_PROFILE_COUNTERS 1
+#undef ARM_FUNCTION_PROFILER
+#define ARM_FUNCTION_PROFILER(STREAM, LABELNO) \
+{ \
+ fprintf (STREAM, "\tpush\t{lr}\n"); \
+ fprintf (STREAM, "\tbl\t__gnu_mcount_nc\n"); \
+}
+
+#undef SUBTARGET_FRAME_POINTER_REQUIRED
+#define SUBTARGET_FRAME_POINTER_REQUIRED 0
+
+/* __gnu_mcount_nc restores the original LR value before returning. Ensure
+ that there is no unnecessary hook set up. */
+#undef PROFILE_HOOK
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