1 // script-sections.h -- linker script SECTIONS for gold -*- C++ -*-
3 // Copyright 2008 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of gold.
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
23 // This is for the support of the SECTIONS clause in linker scripts.
25 #ifndef GOLD_SCRIPT_SECTIONS_H
26 #define GOLD_SCRIPT_SECTIONS_H
34 struct Parser_output_section_header
;
35 struct Parser_output_section_trailer
;
36 struct Input_section_spec
;
38 class Sections_element
;
39 class Output_section_definition
;
46 // Start a SECTIONS clause.
50 // Finish a SECTIONS clause.
54 // Return whether we ever saw a SECTIONS clause. If we did, then
55 // all section layout needs to go through this class.
57 saw_sections_clause() const
58 { return this->saw_sections_clause_
; }
60 // Return whether we are currently processing a SECTIONS clause.
62 in_sections_clause() const
63 { return this->in_sections_clause_
; }
65 // Start processing entries for an output section.
67 start_output_section(const char* name
, size_t namelen
,
68 const Parser_output_section_header
*);
70 // Finish processing entries for an output section.
72 finish_output_section(const Parser_output_section_trailer
*);
74 // Add a data item to the current output section.
76 add_data(int size
, bool is_signed
, Expression
* val
);
78 // Add a symbol to be defined.
80 add_symbol_assignment(const char* name
, size_t length
, Expression
* value
,
81 bool provide
, bool hidden
);
84 add_assertion(Expression
* check
, const char* message
, size_t messagelen
);
86 // Add a setting for the fill value.
88 add_fill(Expression
* val
);
90 // Add an input section specification.
92 add_input_section(const Input_section_spec
* spec
, bool keep
);
94 // Print the contents to the FILE. This is for debugging.
99 typedef std::vector
<Sections_element
*> Sections_elements
;
101 // True if we ever saw a SECTIONS clause.
102 bool saw_sections_clause_
;
103 // True if we are currently processing a SECTIONS clause.
104 bool in_sections_clause_
;
105 // The list of elements in the SECTIONS clause.
106 Sections_elements
* sections_elements_
;
107 // The current output section, if there is one.
108 Output_section_definition
* output_section_
;
111 } // End namespace gold.
113 #endif // !defined(GOLD_SCRIPT_SECTIONS_H