libgcc/config/arm/bpabi-lib.h

   1 /* Configuration file for ARM BPABI targets, library renames.
   2    Copyright (C) 2010
   3    Free Software Foundation, Inc.
   4    Contributed by CodeSourcery, LLC
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published
  10    by the Free Software Foundation; either version 3, or (at your
  11    option) any later version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    License for more details.
  17
  18    You should have received a copy of the GNU General Public License and
  19    a copy of the GCC Runtime Library Exception along with this program;
  20    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  21    <http://www.gnu.org/licenses/>.  */
  22
  23 /* Make __aeabi_AEABI_NAME an alias for __GCC_NAME.  */
  24 #define RENAME_LIBRARY(GCC_NAME, AEABI_NAME)            \
  25   typeof (__##GCC_NAME) __aeabi_##AEABI_NAME \
  26     __attribute__((alias ("__" #GCC_NAME)));
  27
  28 /* Give some libgcc functions an additional __aeabi name.  */
  29 #ifdef L_muldi3
  30 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
  31 #endif
  32 #ifdef L_muldi3
  33 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
  34 #endif
  35 #ifdef L_fixdfdi
  36 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixdfdi, d2lz) \
  37   extern DWtype __fixdfdi (DFtype) __attribute__((pcs("aapcs"))); \
  38   extern UDWtype __fixunsdfdi (DFtype) __asm__("__aeabi_d2ulz") __attribute__((pcs("aapcs")));
  39 #endif
  40 #ifdef L_fixunsdfdi
  41 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, d2ulz) \
  42   extern UDWtype __fixunsdfdi (DFtype) __attribute__((pcs("aapcs")));
  43 #endif
  44 #ifdef L_fixsfdi
  45 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, f2lz) \
  46   extern DWtype __fixsfdi (SFtype) __attribute__((pcs("aapcs"))); \
  47   extern UDWtype __fixunssfdi (SFtype) __asm__("__aeabi_f2ulz") __attribute__((pcs("aapcs")));
  48 #endif
  49 #ifdef L_fixunssfdi
  50 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, f2ulz) \
  51   extern UDWtype __fixunssfdi (SFtype) __attribute__((pcs("aapcs")));
  52 #endif
  53 #ifdef L_floatdidf
  54 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdidf, l2d)
  55 #endif
  56 #ifdef L_floatdisf
  57 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdisf, l2f)
  58 #endif
  59
  60 /* These renames are needed on ARMv6M.  Other targets get them from
  61    assembly routines.  */
  62 #ifdef L_fixunsdfsi
  63 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfsi, d2uiz)
  64 #endif
  65 #ifdef L_fixunssfsi
  66 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfsi, f2uiz)
  67 #endif
  68 #ifdef L_floatundidf
  69 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundidf, ul2d)
  70 #endif
  71 #ifdef L_floatundisf
  72 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundisf, ul2f)
  73 #endif
  74
  75 /* For ARM bpabi, we only want to use a "__gnu_" prefix for the fixed-point
  76    helper functions - not everything in libgcc - in the interests of
  77    maintaining backward compatibility.  */
  78 #define LIBGCC2_FIXEDBIT_GNU_PREFIX