gcc/config/arm/bpabi.h

   1 /* Configuration file for ARM BPABI targets.
   2    Copyright (C) 2004
   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 2, 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
  19    along with GCC; see the file COPYING.  If not, write to
  20    the Free Software Foundation, 59 Temple Place - Suite 330,
  21    Boston, MA 02111-1307, USA.  */
  22
  23 /* Use the AAPCS ABI by default.  */
  24 #define ARM_DEFAULT_ABI ARM_ABI_AAPCS
  25
  26 /* Assume that AAPCS ABIs should adhere to the full BPABI.  */
  27 #define TARGET_BPABI (TARGET_AAPCS_BASED)
  28
  29 /* Section 4.1 of the AAPCS requires the use of VFP format.  */
  30 #define FPUTYPE_DEFAULT FPUTYPE_VFP
  31
  32 /* The ARM BPABI functions return a boolean; they use no special
  33    calling convention.  */
  34 #define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) TARGET_BPABI
  35
  36 /* The BPABI integer comparision routines return { -1, 0, 1 }.  */
  37 #define TARGET_LIB_INT_CMP_BIASED !TARGET_BPABI
  38
  39 /* The generic link spec in elf.h does not support shared libraries.  */
  40 #undef LINK_SPEC
  41 #define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} "           \
  42   "%{static:-Bstatic} %{shared:-shared} %{symbolic:-Bsymbolic} "        \
  43   "-X"
  44
  45 #if defined (__thumb__) && !defined (__THUMB_INTERWORD)
  46 #define RENAME_LIBRARY_SET ".thumb_set"
  47 #else
  48 #define RENAME_LIBRARY_SET ".set"
  49 #endif
  50
  51 /* Make __aeabi_AEABI_NAME an alias for __GCC_NAME.  */
  52 #define RENAME_LIBRARY(GCC_NAME, AEABI_NAME)            \
  53   __asm__ (".globl\t__aeabi_" #AEABI_NAME "\n"          \
  54            RENAME_LIBRARY_SET "\t__aeabi_" #AEABI_NAME  \
  55              ", __" #GCC_NAME "\n");
  56
  57 /* Give some libgcc functions an additional __aeabi name.  */
  58 #ifdef L_muldi3
  59 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
  60 #endif
  61 #ifdef L_muldi3
  62 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
  63 #endif
  64 #ifdef L_fixdfdi
  65 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixdfdi, d2lz)
  66 #endif
  67 #ifdef L_fixunsdfdi
  68 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, d2ulz)
  69 #endif
  70 #ifdef L_fixsfdi
  71 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, f2lz)
  72 #endif
  73 #ifdef L_fixunssfdi
  74 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, f2ulz)
  75 #endif
  76 #ifdef L_floatdidf
  77 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdidf, l2d)
  78 #endif
  79 #ifdef L_floatdisf
  80 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdisf, l2f)
  81 #endif
  82