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1 | /* Declarations for varasm.h. | |
2 | Copyright (C) 2013-2020 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 | /* The following global holds the "function name" for the code in the | |
24 | cold section of a function, if hot/cold function splitting is enabled | |
25 | and there was actually code that went into the cold section. A | |
26 | pseudo function name is needed for the cold section of code for some | |
27 | debugging tools that perform symbolization. */ | |
28 | extern tree cold_function_name; | |
29 | ||
30 | extern tree tree_output_constant_def (tree); | |
31 | extern void make_decl_rtl (tree); | |
32 | extern rtx make_decl_rtl_for_debug (tree); | |
33 | extern void make_decl_one_only (tree, tree); | |
34 | extern int supports_one_only (void); | |
35 | extern void resolve_unique_section (tree, int, int); | |
36 | extern void mark_referenced (tree); | |
37 | extern void mark_decl_referenced (tree); | |
38 | extern void notice_global_symbol (tree); | |
39 | extern void set_user_assembler_name (tree, const char *); | |
40 | extern void process_pending_assemble_externals (void); | |
41 | extern bool decl_replaceable_p (tree); | |
42 | extern bool decl_binds_to_current_def_p (const_tree); | |
43 | extern enum tls_model decl_default_tls_model (const_tree); | |
44 | ||
45 | /* Declare DECL to be a weak symbol. */ | |
46 | extern void declare_weak (tree); | |
47 | ||
48 | /* Merge weak status. */ | |
49 | extern void merge_weak (tree, tree); | |
50 | ||
51 | /* Make one symbol an alias for another. */ | |
52 | extern void assemble_alias (tree, tree); | |
53 | ||
54 | /* Return nonzero if VALUE is a valid constant-valued expression | |
55 | for use in initializing a static variable; one that can be an | |
56 | element of a "constant" initializer. | |
57 | ||
58 | Return null_pointer_node if the value is absolute; | |
59 | if it is relocatable, return the variable that determines the relocation. | |
60 | We assume that VALUE has been folded as much as possible; | |
61 | therefore, we do not need to check for such things as | |
62 | arithmetic-combinations of integers. */ | |
63 | extern tree initializer_constant_valid_p (tree, tree, bool = false); | |
64 | ||
65 | /* Return true if VALUE is a valid constant-valued expression | |
66 | for use in initializing a static bit-field; one that can be | |
67 | an element of a "constant" initializer. */ | |
68 | extern bool initializer_constant_valid_for_bitfield_p (tree); | |
69 | ||
70 | /* Whether a constructor CTOR is a valid static constant initializer if all | |
71 | its elements are. This used to be internal to initializer_constant_valid_p | |
72 | and has been exposed to let other functions like categorize_ctor_elements | |
73 | evaluate the property while walking a constructor for other purposes. */ | |
74 | extern bool constructor_static_from_elts_p (const_tree); | |
75 | ||
76 | extern void init_varasm_status (void); | |
77 | ||
78 | extern rtx assemble_static_space (unsigned HOST_WIDE_INT); | |
79 | ||
80 | extern rtx assemble_trampoline_template (void); | |
81 | ||
82 | #endif // GCC_VARASM_H |