gcc/target-def.h

   1 /* Default initializers for a generic GCC target.
   2    Copyright (C) 2001 Free Software Foundation, Inc.
   3
   4 This program is free software; you can redistribute it and/or modify it
   5 under the terms of the GNU General Public License as published by the
   6 Free Software Foundation; either version 2, or (at your option) any
   7 later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18  In other words, you are welcome to use, share and improve this program.
  19  You are forbidden to forbid anyone else to use, share and improve
  20  what you give them.   Help stamp out software-hoarding!  */
  21
  22 /* See target.h for a desciption of what this file contains and how to
  23    use it.
  24
  25    We want to have non-NULL default definitions of all hook functions,
  26    even if they do nothing.  */
  27
  28 /* Assembler output.  */
  29 #define TARGET_ASM_OPEN_PAREN "("
  30 #define TARGET_ASM_CLOSE_PAREN ")"
  31 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
  32 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
  33 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
  34 #define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream
  35
  36 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
  37 # ifdef CTORS_SECTION_ASM_OP
  38 #  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
  39 # else
  40 #  ifdef TARGET_ASM_NAMED_SECTION
  41 #   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
  42 #  else
  43 #   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
  44 #  endif
  45 # endif
  46 #endif
  47
  48 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
  49 # ifdef DTORS_SECTION_ASM_OP
  50 #  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
  51 # else
  52 #  ifdef TARGET_ASM_NAMED_SECTION
  53 #   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
  54 #  else
  55 #   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
  56 #  endif
  57 # endif
  58 #endif
  59
  60 #if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
  61 #define TARGET_HAVE_CTORS_DTORS true
  62 #else
  63 #define TARGET_HAVE_CTORS_DTORS false
  64 #define TARGET_ASM_CONSTRUCTOR NULL
  65 #define TARGET_ASM_DESTRUCTOR NULL
  66 #endif
  67
  68 #ifdef TARGET_ASM_NAMED_SECTION
  69 #define TARGET_HAVE_NAMED_SECTIONS true
  70 #else
  71 #define TARGET_ASM_NAMED_SECTION default_no_named_section
  72 #define TARGET_HAVE_NAMED_SECTIONS false
  73 #endif
  74
  75 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
  76                         TARGET_ASM_CLOSE_PAREN,                 \
  77                         TARGET_ASM_FUNCTION_PROLOGUE,           \
  78                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
  79                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
  80                         TARGET_ASM_FUNCTION_EPILOGUE,           \
  81                         TARGET_ASM_NAMED_SECTION,               \
  82                         TARGET_ASM_CONSTRUCTOR,                 \
  83                         TARGET_ASM_DESTRUCTOR}
  84
  85 /* Scheduler hooks.  All of these default to null pointers, which
  86    haifa-sched.c looks for and handles.  */
  87 #define TARGET_SCHED_ADJUST_COST 0
  88 #define TARGET_SCHED_ADJUST_PRIORITY 0
  89 #define TARGET_SCHED_ISSUE_RATE 0
  90 #define TARGET_SCHED_VARIABLE_ISSUE 0
  91 #define TARGET_SCHED_INIT 0
  92 #define TARGET_SCHED_FINISH 0
  93 #define TARGET_SCHED_REORDER 0
  94 #define TARGET_SCHED_REORDER2 0
  95 #define TARGET_SCHED_CYCLE_DISPLAY 0
  96
  97 #define TARGET_SCHED    {TARGET_SCHED_ADJUST_COST,      \
  98                          TARGET_SCHED_ADJUST_PRIORITY,  \
  99                          TARGET_SCHED_ISSUE_RATE,       \
 100                          TARGET_SCHED_VARIABLE_ISSUE,   \
 101                          TARGET_SCHED_INIT,             \
 102                          TARGET_SCHED_FINISH,           \
 103                          TARGET_SCHED_REORDER,          \
 104                          TARGET_SCHED_REORDER2,         \
 105                          TARGET_SCHED_CYCLE_DISPLAY}
 106
 107 /* All in tree.c.  */
 108 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
 109 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
 110 #define TARGET_VALID_DECL_ATTRIBUTE default_valid_attribute_p
 111 #define TARGET_VALID_TYPE_ATTRIBUTE default_valid_attribute_p
 112 #define TARGET_COMP_TYPE_ATTRIBUTES default_comp_type_attributes
 113 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES default_set_default_type_attributes
 114 #define TARGET_INSERT_ATTRIBUTES default_insert_attributes
 115
 116 /* In builtins.c.  */
 117 #define TARGET_INIT_BUILTINS default_init_builtins
 118 #define TARGET_EXPAND_BUILTIN default_expand_builtin
 119
 120 /* In varasm.c.  */
 121 #ifndef TARGET_SECTION_TYPE_FLAGS
 122 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
 123 #endif
 124
 125 /* The whole shebang.  */
 126 #define TARGET_INITIALIZER                      \
 127 {                                               \
 128   TARGET_ASM_OUT,                               \
 129   TARGET_SCHED,                                 \
 130   TARGET_MERGE_DECL_ATTRIBUTES,                 \
 131   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
 132   TARGET_VALID_DECL_ATTRIBUTE,                  \
 133   TARGET_VALID_TYPE_ATTRIBUTE,                  \
 134   TARGET_COMP_TYPE_ATTRIBUTES,                  \
 135   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
 136   TARGET_INSERT_ATTRIBUTES,                     \
 137   TARGET_INIT_BUILTINS,                         \
 138   TARGET_EXPAND_BUILTIN,                        \
 139   TARGET_SECTION_TYPE_FLAGS,                    \
 140   TARGET_HAVE_NAMED_SECTIONS,                   \
 141   TARGET_HAVE_CTORS_DTORS                       \
 142 }