gcc/objc/objc-next-metadata-tags.h

   1 /* Declarations for meta-data attribute tags.
   2    Copyright (C) 2011-2018 Free Software Foundation, Inc.
   3    Contributed by Iain Sandoe
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 /* These are identifiers used to flag meta-data attributes such that they
  22    survive LTO and might be placed in correct sections for the target.  */
  23
  24 enum objc_runtime_tree_index
  25 {
  26   OCTI_RT_OBJC_META,
  27   OCTI_RT_META_BASE,
  28
  29   OCTI_RT_META_CLASS,
  30   OCTI_RT_META_METACLASS,
  31   OCTI_RT_META_CATEGORY,
  32   OCTI_RT_META_PROTOCOL,
  33
  34   OCTI_RT_META_CLASS_CLS_VARS,
  35   OCTI_RT_META_CLASS_NST_VARS,
  36
  37   OCTI_RT_META_CLASS_CLS_METH,
  38   OCTI_RT_META_CLASS_NST_METH,
  39   OCTI_RT_META_CATEG_CLS_METH,
  40   OCTI_RT_META_CATEG_NST_METH,
  41   OCTI_RT_META_PROTO_CLS_METH,
  42   OCTI_RT_META_PROTO_NST_METH,
  43
  44   OCTI_RT_META_CLASS_PROT,
  45   OCTI_RT_META_CATEG_PROT,
  46   OCTI_RT_META_PROT_REFS,
  47
  48   OCTI_RT_META_MSG_REFS,
  49   OCTI_RT_META_SEL_REFS,
  50
  51   OCTI_RT_META_CLSLST_REFS,
  52   OCTI_RT_META_CLASS_REF,
  53   OCTI_RT_META_SUPER_REF,
  54   OCTI_RT_META_CLSLST_NLZY_LAB,
  55   OCTI_RT_META_CLSLST_LAB,
  56   OCTI_RT_META_LAB_PROTOLIST,
  57   OCTI_RT_META_LAB_NLZY_CAT,
  58   OCTI_RT_META_LAB_CAT,
  59
  60   OCTI_RT_META_PROPERTY_LIST,
  61   OCTI_RT_META_PROTOCOL_EXT,
  62   OCTI_RT_META_CLASS_EXT,
  63
  64   OCTI_RT_META_CLASS_NAME,
  65   OCTI_RT_META_METHD_NAME,
  66   OCTI_RT_META_METHD_TYPE,
  67   OCTI_RT_META_PROPN_ATTR,
  68
  69   OCTI_RT_META_MODULES,
  70   OCTI_RT_META_SYMTAB,
  71   OCTI_RT_META_INFO,
  72
  73   OCTI_RT_META_EHTYPE,
  74
  75   OCTI_RT_META_CONST_STR,
  76
  77   OCTI_RT_META_MAX
  78 };
  79
  80 /* Tags for the META data so that the backend can put them in the correct
  81    sections for targets/runtimes (Darwin/NeXT) that require this.
  82    This information also survives LTO - which might produce mixed language
  83    output.  */
  84
  85 /* Objective-C meta data attribute tag */
  86 #define objc_meta       objc_rt_trees[OCTI_RT_OBJC_META]
  87 /* Attribute values, base = default section. */
  88 #define meta_base       objc_rt_trees[OCTI_RT_META_BASE]
  89
  90   /* CLASS.  */
  91 #define meta_class      objc_rt_trees[OCTI_RT_META_CLASS]
  92  /* METACLASS.  */
  93 #define meta_metaclass  objc_rt_trees[OCTI_RT_META_METACLASS]
  94   /* CLASS.  */
  95 #define meta_category   objc_rt_trees[OCTI_RT_META_CATEGORY]
  96   /* PROTOCOL.  */
  97 #define meta_protocol   objc_rt_trees[OCTI_RT_META_PROTOCOL]
  98
  99  /* Class class vars section.  */
 100 #define meta_clac_vars  objc_rt_trees[OCTI_RT_META_CLASS_CLS_VARS]
 101  /* Class instance vars section.  */
 102 #define meta_clai_vars  objc_rt_trees[OCTI_RT_META_CLASS_NST_VARS]
 103  /* Class class methods section.  */
 104 #define meta_clac_meth  objc_rt_trees[OCTI_RT_META_CLASS_CLS_METH]
 105  /* Class instance methods section.  */
 106 #define meta_clai_meth  objc_rt_trees[OCTI_RT_META_CLASS_NST_METH]
 107  /* Category class methods section.  */
 108 #define meta_catc_meth  objc_rt_trees[OCTI_RT_META_CATEG_CLS_METH]
 109  /* Category instance methods section.  */
 110 #define meta_cati_meth  objc_rt_trees[OCTI_RT_META_CATEG_NST_METH]
 111 #define meta_proto_cls_meth \
 112                         objc_rt_trees[OCTI_RT_META_PROTO_CLS_METH]
 113 #define meta_proto_nst_meth \
 114                         objc_rt_trees[OCTI_RT_META_PROTO_NST_METH]
 115
 116  /* Class protocols.  */
 117 #define meta_clas_prot  objc_rt_trees[OCTI_RT_META_CLASS_PROT]
 118  /* Category protocols.  */
 119 #define meta_catg_prot  objc_rt_trees[OCTI_RT_META_CATEG_PROT]
 120  /* Protocol references.  */
 121 #define meta_proto_ref  objc_rt_trees[OCTI_RT_META_PROT_REFS]
 122
 123  /* Message refs.  */
 124 #define meta_mref       objc_rt_trees[OCTI_RT_META_MSG_REFS]
 125  /* Selector refs.  */
 126 #define meta_sel_refs   objc_rt_trees[OCTI_RT_META_SEL_REFS]
 127
 128  /* Class list refs.  */
 129 #define meta_class_ref  objc_rt_trees[OCTI_RT_META_CLSLST_REFS]
 130 #define meta_class_reference \
 131                         objc_rt_trees[OCTI_RT_META_CLASS_REF]
 132 #define meta_superclass_ref \
 133                         objc_rt_trees[OCTI_RT_META_SUPER_REF]
 134  /* Class list Label.  */
 135 #define meta_label_classlist \
 136                         objc_rt_trees[OCTI_RT_META_CLSLST_LAB]
 137  /* Class list Label (non lazy).  */
 138 #define meta_label_nonlazy_classlist \
 139                         objc_rt_trees[OCTI_RT_META_CLSLST_NLZY_LAB]
 140 #define meta_label_categorylist \
 141                         objc_rt_trees[OCTI_RT_META_LAB_CAT]
 142 #define meta_label_nonlazy_categorylist \
 143                         objc_rt_trees[OCTI_RT_META_LAB_NLZY_CAT]
 144
 145 #define meta_label_protocollist \
 146                         objc_rt_trees[OCTI_RT_META_LAB_PROTOLIST]
 147
 148
 149 /* V1 - property list.  */
 150 #define meta_proplist   objc_rt_trees[OCTI_RT_META_PROPERTY_LIST]
 151 #define meta_protocol_extension \
 152                         objc_rt_trees[OCTI_RT_META_PROTOCOL_EXT]
 153 #define meta_class_extension \
 154                         objc_rt_trees[OCTI_RT_META_CLASS_EXT]
 155  /* String sections.  */
 156 #define meta_class_name objc_rt_trees[OCTI_RT_META_CLASS_NAME]
 157 #define meta_meth_name  objc_rt_trees[OCTI_RT_META_METHD_NAME]
 158 #define meta_meth_type  objc_rt_trees[OCTI_RT_META_METHD_TYPE]
 159 #define meta_prop_name_attr \
 160                         objc_rt_trees[OCTI_RT_META_PROPN_ATTR]
 161
 162 #define meta_modules    objc_rt_trees[OCTI_RT_META_MODULES]
 163 #define meta_symtab     objc_rt_trees[OCTI_RT_META_SYMTAB]
 164 #define meta_info       objc_rt_trees[OCTI_RT_META_INFO]
 165
 166 #define meta_ehtype     objc_rt_trees[OCTI_RT_META_EHTYPE]
 167
 168 #define meta_const_str  objc_rt_trees[OCTI_RT_META_CONST_STR]
 169
 170 #define OBJCMETA(DECL,VERS,KIND)                                        \
 171   if (VERS)                                                             \
 172     DECL_ATTRIBUTES (DECL) = build_tree_list ((VERS), (KIND));