gcc/target-def.h

   1 /* Default initializers for a generic GCC target.
   2    Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
   3    Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify it
   6    under the terms of the GNU General Public License as published by the
   7    Free Software Foundation; either version 3, or (at your option) any
   8    later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; see the file COPYING3.  If not see
  17    <http://www.gnu.org/licenses/>.
  18
  19    In other words, you are welcome to use, share and improve this program.
  20    You are forbidden to forbid anyone else to use, share and improve
  21    what you give them.   Help stamp out software-hoarding!  */
  22
  23 /* See target.def for a description of what this file contains and how to
  24    use it.
  25
  26    We want to have non-NULL default definitions of all hook functions,
  27    even if they do nothing.  */
  28
  29 /* Note that if one of these macros must be defined in an OS .h file
  30    rather than the .c file, then we need to wrap the default
  31    definition in a #ifndef, since files include tm.h before this one.  */
  32
  33 #define TARGET_ASM_ALIGNED_HI_OP "\t.short\t"
  34 #define TARGET_ASM_ALIGNED_SI_OP "\t.long\t"
  35 #define TARGET_ASM_ALIGNED_DI_OP NULL
  36 #define TARGET_ASM_ALIGNED_TI_OP NULL
  37
  38 /* GAS and SYSV4 assemblers accept these.  */
  39 #if defined (OBJECT_FORMAT_ELF)
  40 #define TARGET_ASM_UNALIGNED_HI_OP "\t.2byte\t"
  41 #define TARGET_ASM_UNALIGNED_SI_OP "\t.4byte\t"
  42 #define TARGET_ASM_UNALIGNED_DI_OP "\t.8byte\t"
  43 #define TARGET_ASM_UNALIGNED_TI_OP NULL
  44 #else
  45 #define TARGET_ASM_UNALIGNED_HI_OP NULL
  46 #define TARGET_ASM_UNALIGNED_SI_OP NULL
  47 #define TARGET_ASM_UNALIGNED_DI_OP NULL
  48 #define TARGET_ASM_UNALIGNED_TI_OP NULL
  49 #endif /* OBJECT_FORMAT_ELF */
  50
  51 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
  52 # ifdef CTORS_SECTION_ASM_OP
  53 #  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
  54 # else
  55 #  ifdef TARGET_ASM_NAMED_SECTION
  56 #   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
  57 #  else
  58 #   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
  59 #  endif
  60 # endif
  61 #endif
  62
  63 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
  64 # ifdef DTORS_SECTION_ASM_OP
  65 #  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
  66 # else
  67 #  ifdef TARGET_ASM_NAMED_SECTION
  68 #   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
  69 #  else
  70 #   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
  71 #  endif
  72 # endif
  73 #endif
  74
  75 #if !defined(TARGET_HAVE_CTORS_DTORS)
  76 # if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
  77 # define TARGET_HAVE_CTORS_DTORS true
  78 # endif
  79 #endif
  80
  81 #ifdef TARGET_ASM_NAMED_SECTION
  82 #define TARGET_HAVE_NAMED_SECTIONS true
  83 #endif
  84
  85 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
  86 #ifdef EH_FRAME_SECTION_NAME
  87 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
  88 #endif
  89 #endif
  90
  91 #if !defined(TARGET_ASM_OUTPUT_ANCHOR) && !defined(ASM_OUTPUT_DEF)
  92 #define TARGET_ASM_OUTPUT_ANCHOR NULL
  93 #endif
  94
  95 #define TARGET_ASM_ALIGNED_INT_OP                               \
  96                        {TARGET_ASM_ALIGNED_HI_OP,               \
  97                         TARGET_ASM_ALIGNED_SI_OP,               \
  98                         TARGET_ASM_ALIGNED_DI_OP,               \
  99                         TARGET_ASM_ALIGNED_TI_OP}
 100
 101 #define TARGET_ASM_UNALIGNED_INT_OP                             \
 102                        {TARGET_ASM_UNALIGNED_HI_OP,             \
 103                         TARGET_ASM_UNALIGNED_SI_OP,             \
 104                         TARGET_ASM_UNALIGNED_DI_OP,             \
 105                         TARGET_ASM_UNALIGNED_TI_OP}
 106
 107 #ifndef IRA_COVER_CLASSES
 108 #define TARGET_IRA_COVER_CLASSES 0
 109 #endif
 110
 111 #if !defined (TARGET_FUNCTION_INCOMING_ARG) && !defined (FUNCTION_INCOMING_ARG)
 112 #define TARGET_FUNCTION_INCOMING_ARG TARGET_FUNCTION_ARG
 113 #endif
 114
 115 #include "target-hooks-def.h"
 116
 117 #include "hooks.h"
 118 #include "targhooks.h"