1 | /* Declarations for varasm.h. |
2 | Copyright (C) 2013-2023 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 bool 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, bool); |
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 (const_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 | extern void switch_to_comdat_section (section *, tree); |
83 | |
84 | #endif // GCC_VARASM_H |
85 | |