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  1. /* GCC core type declarations.
  2.    Copyright (C) 2002, 2004, 2007, 2008, 2009 Free Software Foundation, Inc.
  3.  
  4. This file is part of GCC.
  5.  
  6. GCC is free software; you can redistribute it and/or modify it under
  7. the terms of the GNU General Public License as published by the Free
  8. Software Foundation; either version 3, or (at your option) any later
  9. version.
  10.  
  11. GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12. WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13. FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14. for more details.
  15.  
  16. Under Section 7 of GPL version 3, you are granted additional
  17. permissions described in the GCC Runtime Library Exception, version
  18. 3.1, as published by the Free Software Foundation.
  19.  
  20. You should have received a copy of the GNU General Public License and
  21. a copy of the GCC Runtime Library Exception along with this program;
  22. see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23. <http://www.gnu.org/licenses/>.  */
  24.  
  25. /* Provide forward declarations of core types which are referred to by
  26.    most of the compiler.  This allows header files to use these types
  27.    (e.g. in function prototypes) without concern for whether the full
  28.    definitions are visible.  Some other declarations that need to be
  29.    universally visible are here, too.
  30.  
  31.    In the context of tconfig.h, most of these have special definitions
  32.    which prevent them from being used except in further type
  33.    declarations.  This is a kludge; the right thing is to avoid
  34.    including the "tm.h" header set in the context of tconfig.h, but
  35.    we're not there yet.  */
  36.  
  37. #ifndef GCC_CORETYPES_H
  38. #define GCC_CORETYPES_H
  39.  
  40. #ifndef GTY
  41. #define GTY(x)  /* nothing - marker for gengtype */
  42. #endif
  43.  
  44. #ifndef USED_FOR_TARGET
  45.  
  46. struct bitmap_head_def;
  47. typedef struct bitmap_head_def *bitmap;
  48. typedef const struct bitmap_head_def *const_bitmap;
  49. struct rtx_def;
  50. typedef struct rtx_def *rtx;
  51. typedef const struct rtx_def *const_rtx;
  52. struct rtvec_def;
  53. typedef struct rtvec_def *rtvec;
  54. typedef const struct rtvec_def *const_rtvec;
  55. union tree_node;
  56. typedef union tree_node *tree;
  57. union gimple_statement_d;
  58. typedef union gimple_statement_d *gimple;
  59. typedef const union tree_node *const_tree;
  60. typedef const union gimple_statement_d *const_gimple;
  61. union section;
  62. typedef union section section;
  63. struct cl_target_option;
  64. struct cl_optimization;
  65. struct gimple_seq_d;
  66. typedef struct gimple_seq_d *gimple_seq;
  67. typedef const struct gimple_seq_d *const_gimple_seq;
  68. struct gimple_seq_node_d;
  69. typedef struct gimple_seq_node_d *gimple_seq_node;
  70. typedef const struct gimple_seq_node_d *const_gimple_seq_node;
  71.  
  72. /* Address space number for named address space support.  */
  73. typedef unsigned char addr_space_t;
  74.  
  75. /* The value of addr_space_t that represents the generic address space.  */
  76. #define ADDR_SPACE_GENERIC 0
  77. #define ADDR_SPACE_GENERIC_P(AS) ((AS) == ADDR_SPACE_GENERIC)
  78.  
  79. /* The major intermediate representations of GCC.  */
  80. enum ir_type {
  81.   IR_GIMPLE,
  82.   IR_RTL_CFGRTL,
  83.   IR_RTL_CFGLAYOUT
  84. };
  85.  
  86. /* Provide forward struct declaration so that we don't have to include
  87.    all of cpplib.h whenever a random prototype includes a pointer.
  88.    Note that the cpp_reader and cpp_token typedefs remain part of
  89.    cpplib.h.  */
  90.  
  91. struct cpp_reader;
  92. struct cpp_token;
  93.  
  94. /* The thread-local storage model associated with a given VAR_DECL
  95.    or SYMBOL_REF.  This isn't used much, but both trees and RTL refer
  96.    to it, so it's here.  */
  97. enum tls_model {
  98.   TLS_MODEL_NONE,
  99.   TLS_MODEL_EMULATED,
  100.   TLS_MODEL_REAL,
  101.   TLS_MODEL_GLOBAL_DYNAMIC = TLS_MODEL_REAL,
  102.   TLS_MODEL_LOCAL_DYNAMIC,
  103.   TLS_MODEL_INITIAL_EXEC,
  104.   TLS_MODEL_LOCAL_EXEC
  105. };
  106.  
  107. struct edge_def;
  108. typedef struct edge_def *edge;
  109. typedef const struct edge_def *const_edge;
  110. struct basic_block_def;
  111. typedef struct basic_block_def *basic_block;
  112. typedef const struct basic_block_def *const_basic_block;
  113. #else
  114.  
  115. struct _dont_use_rtx_here_;
  116. struct _dont_use_rtvec_here_;
  117. union _dont_use_tree_here_;
  118. #define rtx struct _dont_use_rtx_here_ *
  119. #define const_rtx struct _dont_use_rtx_here_ *
  120. #define rtvec struct _dont_use_rtvec_here *
  121. #define const_rtvec struct _dont_use_rtvec_here *
  122. #define tree union _dont_use_tree_here_ *
  123. #define const_tree union _dont_use_tree_here_ *
  124.  
  125. #endif
  126.  
  127. #endif /* coretypes.h */
  128.  
  129.