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-rw-r--r--gcc-4.9/libgcc/config/arm/bpabi-lib.h81
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diff --git a/gcc-4.9/libgcc/config/arm/bpabi-lib.h b/gcc-4.9/libgcc/config/arm/bpabi-lib.h
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+/* Configuration file for ARM BPABI targets, library renames.
+ Copyright (C) 2010-2014 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 and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Make __aeabi_AEABI_NAME an alias for __GCC_NAME. */
+#define RENAME_LIBRARY(GCC_NAME, AEABI_NAME) \
+ typeof (__##GCC_NAME) __aeabi_##AEABI_NAME \
+ __attribute__((alias ("__" #GCC_NAME)));
+
+/* 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) \
+ extern DWtype __fixdfdi (DFtype) __attribute__((pcs("aapcs"))); \
+ extern UDWtype __fixunsdfdi (DFtype) __asm__("__aeabi_d2ulz") __attribute__((pcs("aapcs")));
+#endif
+#ifdef L_fixunsdfdi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, d2ulz) \
+ extern UDWtype __fixunsdfdi (DFtype) __attribute__((pcs("aapcs")));
+#endif
+#ifdef L_fixsfdi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, f2lz) \
+ extern DWtype __fixsfdi (SFtype) __attribute__((pcs("aapcs"))); \
+ extern UDWtype __fixunssfdi (SFtype) __asm__("__aeabi_f2ulz") __attribute__((pcs("aapcs")));
+#endif
+#ifdef L_fixunssfdi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, f2ulz) \
+ extern UDWtype __fixunssfdi (SFtype) __attribute__((pcs("aapcs")));
+#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
+
+/* For ARM bpabi, we only want to use a "__gnu_" prefix for the fixed-point
+ helper functions - not everything in libgcc - in the interests of
+ maintaining backward compatibility. */
+#define LIBGCC2_FIXEDBIT_GNU_PREFIX
+
+#if (!defined(__ARM_ARCH_EXT_IDIV__))
+# define TARGET_HAS_NO_HW_DIVIDE
+#endif