1 /* Language-dependent trees for LTO. 2 Copyright 2009, 2010 Free Software Foundation, Inc. 3 Contributed by CodeSourcery, Inc. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 3, or (at your option) any later 10 version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 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 #ifndef GCC_LTO_TREE_H 22 #define GCC_LTO_TREE_H 23 24 #include "plugin-api.h" 25 26 struct GTY(()) lang_identifier 27 { 28 struct tree_identifier base; 29 }; 30 31 struct GTY(()) lang_decl 32 { 33 int dummy; /* Added because ggc does not like empty structs. */ 34 }; 35 36 struct GTY((variable_size)) lang_type 37 { 38 int dummy; /* Added because ggc does not like empty structs. */ 39 }; 40 41 struct GTY(()) language_function 42 { 43 int dummy; /* Added because ggc does not like empty structs. */ 44 }; 45 46 enum lto_tree_node_structure_enum { 47 TS_LTO_GENERIC 48 }; 49 50 union GTY((desc ("lto_tree_node_structure (&%h)"), 51 chain_next ("CODE_CONTAINS_STRUCT (TREE_CODE (&%h.generic), TS_COMMON) ? ((union lang_tree_node *) TREE_CHAIN (&%h.generic)) : NULL"))) 52 lang_tree_node 53 { 54 union tree_node GTY ((tag ("TS_LTO_GENERIC"), 55 desc ("tree_node_structure (&%h)"))) generic; 56 }; 57 58 #endif /* GCC_LTO_TREE_H */ 59