/* Configuration file for ARM BPABI targets.
- Copyright (C) 2004
+ Copyright (C) 2004, 2005, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by CodeSourcery, LLC
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
+ 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
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, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ 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. */
+#undef ARM_UNWIND_INFO
+#define ARM_UNWIND_INFO 1
+
/* Section 4.1 of the AAPCS requires the use of VFP format. */
-#define FPUTYPE_DEFAULT FPUTYPE_VFP
+#undef FPUTYPE_DEFAULT
+#define FPUTYPE_DEFAULT "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 comparision routines return { -1, 0, 1 }. */
+/* 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 "-meabi=3"
+#define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*"\
+ "|march=armv4|mcpu=fa526|mcpu=fa626:--fix-v4bx}"
-/* 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"
+#define BE8_LINK_SPEC " %{mbig-endian:%{march=armv7-a|mcpu=cortex-a5"\
+ "|mcpu=cortex-a8|mcpu=cortex-a9|mcpu=cortex-a15:%{!r:--be8}}}"
-#if defined (__thumb__) && !defined (__THUMB_INTERWORK__)
-#define RENAME_LIBRARY_SET ".thumb_set"
-#else
-#define RENAME_LIBRARY_SET ".set"
+/* 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
-/* 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");
+/* 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 BE8_LINK_SPEC
-/* 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
+#undef LINK_SPEC
+#define LINK_SPEC BPABI_LINK_SPEC
/* The BPABI requires that we always use an out-of-line implementation
of RTTI comparison, even if the target supports weak symbols,
#define TARGET_BPABI_CPP_BUILTINS() \
do \
{ \
- builtin_define ("__GXX_MERGED_TYPEINFO_NAMES=0"); \
+ 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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