1 /* Declarations for varasm.h. 2 Copyright (C) 2013-2015 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 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 #ifndef GCC_VARASM_H 21 #define GCC_VARASM_H 22 23 extern tree tree_output_constant_def (tree); 24 extern void make_decl_rtl (tree); 25 extern rtx make_decl_rtl_for_debug (tree); 26 extern void make_decl_one_only (tree, tree); 27 extern int supports_one_only (void); 28 extern void resolve_unique_section (tree, int, int); 29 extern void mark_referenced (tree); 30 extern void mark_decl_referenced (tree); 31 extern void notice_global_symbol (tree); 32 extern void set_user_assembler_name (tree, const char *); 33 extern void process_pending_assemble_externals (void); 34 extern bool decl_replaceable_p (tree); 35 extern bool decl_binds_to_current_def_p (const_tree); 36 extern enum tls_model decl_default_tls_model (const_tree); 37 38 /* Declare DECL to be a weak symbol. */ 39 extern void declare_weak (tree); 40 41 /* Merge weak status. */ 42 extern void merge_weak (tree, tree); 43 44 /* Make one symbol an alias for another. */ 45 extern void assemble_alias (tree, tree); 46 47 /* Return nonzero if VALUE is a valid constant-valued expression 48 for use in initializing a static variable; one that can be an 49 element of a "constant" initializer. 50 51 Return null_pointer_node if the value is absolute; 52 if it is relocatable, return the variable that determines the relocation. 53 We assume that VALUE has been folded as much as possible; 54 therefore, we do not need to check for such things as 55 arithmetic-combinations of integers. */ 56 extern tree initializer_constant_valid_p (tree, tree); 57 58 /* Return true if VALUE is a valid constant-valued expression 59 for use in initializing a static bit-field; one that can be 60 an element of a "constant" initializer. */ 61 extern bool initializer_constant_valid_for_bitfield_p (tree); 62 63 /* Whether a constructor CTOR is a valid static constant initializer if all 64 its elements are. This used to be internal to initializer_constant_valid_p 65 and has been exposed to let other functions like categorize_ctor_elements 66 evaluate the property while walking a constructor for other purposes. */ 67 extern bool constructor_static_from_elts_p (const_tree); 68 69 extern void init_varasm_status (void); 70 71 extern rtx assemble_static_space (unsigned HOST_WIDE_INT); 72 73 extern rtx assemble_trampoline_template (void); 74 75 #endif // GCC_VARASM_H 76