URL https://opencores.org/ocsvn/open8_urisc/open8_urisc/trunk

Subversion Repositories open8_urisc

[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gold/] [defstd.cc] - Blame information for rev 65

Go to most recent revision | Details | Compare with Previous | View Log


// defstd.cc -- define standard symbols for gold.
 
// Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
 
// This file is part of gold.
 
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
// MA 02110-1301, USA.
 
#include "gold.h"
 
#include "symtab.h"
#include "layout.h"
#include "defstd.h"
 
// This is a simple file which defines the standard symbols like
// "_end".
 
namespace
{
 
using namespace gold;
 
const Define_symbol_in_section in_section[] =
{
  {
    "__preinit_array_start",    // name
    ".preinit_array",           // output_section
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_HIDDEN,         // visibility
    0,                           // nonvis
    false,                      // offset_is_from_end
    true                        // only_if_ref
  },
  {
    "__preinit_array_end",      // name
    ".preinit_array",           // output_section
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_HIDDEN,         // visibility
    0,                           // nonvis
    true,                       // offset_is_from_end
    true                        // only_if_ref
  },
  {
    "__init_array_start",       // name
    ".init_array",              // output_section
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_HIDDEN,         // visibility
    0,                           // nonvis
    false,                      // offset_is_from_end
    true                        // only_if_ref
  },
  {
    "__init_array_end",         // name
    ".init_array",              // output_section
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_HIDDEN,         // visibility
    0,                           // nonvis
    true,                       // offset_is_from_end
    true                        // only_if_ref
  },
  {
    "__fini_array_start",       // name
    ".fini_array",              // output_section
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_HIDDEN,         // visibility
    0,                           // nonvis
    false,                      // offset_is_from_end
    true                        // only_if_ref
  },
  {
    "__fini_array_end",         // name
    ".fini_array",              // output_section
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_HIDDEN,         // visibility
    0,                           // nonvis
    true,                       // offset_is_from_end
    true                        // only_if_ref
  },
  {
    "__stack",                  // name
    ".stack",                   // output_section
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_DEFAULT,        // visibility
    0,                           // nonvis
    false,                      // offset_is_from_end
    true                        // only_if_ref
  },
};
 
const int in_section_count = sizeof in_section / sizeof in_section[0];
 
const Define_symbol_in_segment in_segment[] =
{
  {
    "__executable_start",       // name
    elfcpp::PT_LOAD,            // segment_type
    elfcpp::PF(0),               // segment_flags_set
    elfcpp::PF(0),               // segment_flags_clear
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_DEFAULT,        // visibility
    0,                           // nonvis
    Symbol::SEGMENT_START,      // offset_from_base
    true                        // only_if_ref
  },
  {
    "etext",                    // name
    elfcpp::PT_LOAD,            // segment_type
    elfcpp::PF_X,               // segment_flags_set
    elfcpp::PF_W,               // segment_flags_clear
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_DEFAULT,        // visibility
    0,                           // nonvis
    Symbol::SEGMENT_END,        // offset_from_base
    true                        // only_if_ref
  },
  {
    "_etext",                   // name
    elfcpp::PT_LOAD,            // segment_type
    elfcpp::PF_X,               // segment_flags_set
    elfcpp::PF_W,               // segment_flags_clear
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_DEFAULT,        // visibility
    0,                           // nonvis
    Symbol::SEGMENT_END,        // offset_from_base
    true                        // only_if_ref
  },
  {
    "__etext",                  // name
    elfcpp::PT_LOAD,            // segment_type
    elfcpp::PF_X,               // segment_flags_set
    elfcpp::PF_W,               // segment_flags_clear
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_DEFAULT,        // visibility
    0,                           // nonvis
    Symbol::SEGMENT_END,        // offset_from_base
    true                        // only_if_ref
  },
  {
    "_edata",                   // name
    elfcpp::PT_LOAD,            // segment_type
    elfcpp::PF_W,               // segment_flags_set
    elfcpp::PF(0),               // segment_flags_clear
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_DEFAULT,        // visibility
    0,                           // nonvis
    Symbol::SEGMENT_BSS,        // offset_from_base
    false                       // only_if_ref
  },
  {
    "edata",                    // name
    elfcpp::PT_LOAD,            // segment_type
    elfcpp::PF_W,               // segment_flags_set
    elfcpp::PF(0),               // segment_flags_clear
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_DEFAULT,        // visibility
    0,                           // nonvis
    Symbol::SEGMENT_BSS,        // offset_from_base
    true                        // only_if_ref
  },
  {
    "__bss_start",              // name
    elfcpp::PT_LOAD,            // segment_type
    elfcpp::PF_W,               // segment_flags_set
    elfcpp::PF(0),               // segment_flags_clear
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_DEFAULT,        // visibility
    0,                           // nonvis
    Symbol::SEGMENT_BSS,        // offset_from_base
    false                       // only_if_ref
  },
  {
    "_end",                     // name
    elfcpp::PT_LOAD,            // segment_type
    elfcpp::PF_W,               // segment_flags_set
    elfcpp::PF(0),               // segment_flags_clear
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_DEFAULT,        // visibility
    0,                           // nonvis
    Symbol::SEGMENT_END,        // offset_from_base
    false                       // only_if_ref
  },
  {
    "end",                      // name
    elfcpp::PT_LOAD,            // segment_type
    elfcpp::PF_W,               // segment_flags_set
    elfcpp::PF(0),               // segment_flags_clear
    0,                           // value
    0,                           // size
    elfcpp::STT_NOTYPE,         // type
    elfcpp::STB_GLOBAL,         // binding
    elfcpp::STV_DEFAULT,        // visibility
    0,                           // nonvis
    Symbol::SEGMENT_END,        // offset_from_base
    true                        // only_if_ref
  }
};
 
const int in_segment_count = sizeof in_segment / sizeof in_segment[0];
 
} // End anonymous namespace.
 
namespace gold
{
 
void
define_standard_symbols(Symbol_table* symtab, const Layout* layout)
{
  bool saw_sections_clause = layout->script_options()->saw_sections_clause();
  symtab->define_symbols(layout, in_section_count, in_section,
                         saw_sections_clause);
  symtab->define_symbols(layout, in_segment_count, in_segment,
                         saw_sections_clause);
}
 
} // End namespace gold.

Browse

Tools

Subversion Repositories open8_urisc

[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gold/] [defstd.cc] - Blame information for rev 65

Line No.	Rev	Author	Line
1	27	khays	`// defstd.cc -- define standard symbols for gold.`
2
3			`// Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.`
4			`// Written by Ian Lance Taylor <iant@google.com>.`
5
6			`// This file is part of gold.`
7
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.`
12
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.`
17
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.`
22
23			`#include "gold.h"`
24
25			`#include "symtab.h"`
26			`#include "layout.h"`
27			`#include "defstd.h"`
28
29			`// This is a simple file which defines the standard symbols like`
30			`// "_end".`
31
32			`namespace`
33			`{`
34
35			`using namespace gold;`
36
37			`const Define_symbol_in_section in_section[] =`
38			`{`
39			`{`
40			`"__preinit_array_start", // name`
41			`".preinit_array", // output_section`
42			`0, // value`
43			`0, // size`
44			`elfcpp::STT_NOTYPE, // type`
45			`elfcpp::STB_GLOBAL, // binding`
46			`elfcpp::STV_HIDDEN, // visibility`
47			`0, // nonvis`
48			`false, // offset_is_from_end`
49			`true // only_if_ref`
50			`},`
51			`{`
52			`"__preinit_array_end", // name`
53			`".preinit_array", // output_section`
54			`0, // value`
55			`0, // size`
56			`elfcpp::STT_NOTYPE, // type`
57			`elfcpp::STB_GLOBAL, // binding`
58			`elfcpp::STV_HIDDEN, // visibility`
59			`0, // nonvis`
60			`true, // offset_is_from_end`
61			`true // only_if_ref`
62			`},`
63			`{`
64			`"__init_array_start", // name`
65			`".init_array", // output_section`
66			`0, // value`
67			`0, // size`
68			`elfcpp::STT_NOTYPE, // type`
69			`elfcpp::STB_GLOBAL, // binding`
70			`elfcpp::STV_HIDDEN, // visibility`
71			`0, // nonvis`
72			`false, // offset_is_from_end`
73			`true // only_if_ref`
74			`},`
75			`{`
76			`"__init_array_end", // name`
77			`".init_array", // output_section`
78			`0, // value`
79			`0, // size`
80			`elfcpp::STT_NOTYPE, // type`
81			`elfcpp::STB_GLOBAL, // binding`
82			`elfcpp::STV_HIDDEN, // visibility`
83			`0, // nonvis`
84			`true, // offset_is_from_end`
85			`true // only_if_ref`
86			`},`
87			`{`
88			`"__fini_array_start", // name`
89			`".fini_array", // output_section`
90			`0, // value`
91			`0, // size`
92			`elfcpp::STT_NOTYPE, // type`
93			`elfcpp::STB_GLOBAL, // binding`
94			`elfcpp::STV_HIDDEN, // visibility`
95			`0, // nonvis`
96			`false, // offset_is_from_end`
97			`true // only_if_ref`
98			`},`
99			`{`
100			`"__fini_array_end", // name`
101			`".fini_array", // output_section`
102			`0, // value`
103			`0, // size`
104			`elfcpp::STT_NOTYPE, // type`
105			`elfcpp::STB_GLOBAL, // binding`
106			`elfcpp::STV_HIDDEN, // visibility`
107			`0, // nonvis`
108			`true, // offset_is_from_end`
109			`true // only_if_ref`
110			`},`
111			`{`
112			`"__stack", // name`
113			`".stack", // output_section`
114			`0, // value`
115			`0, // size`
116			`elfcpp::STT_NOTYPE, // type`
117			`elfcpp::STB_GLOBAL, // binding`
118			`elfcpp::STV_DEFAULT, // visibility`
119			`0, // nonvis`
120			`false, // offset_is_from_end`
121			`true // only_if_ref`
122			`},`
123			`};`
124
125			`const int in_section_count = sizeof in_section / sizeof in_section[0];`
126
127			`const Define_symbol_in_segment in_segment[] =`
128			`{`
129			`{`
130			`"__executable_start", // name`
131			`elfcpp::PT_LOAD, // segment_type`
132			`elfcpp::PF(0), // segment_flags_set`
133			`elfcpp::PF(0), // segment_flags_clear`
134			`0, // value`
135			`0, // size`
136			`elfcpp::STT_NOTYPE, // type`
137			`elfcpp::STB_GLOBAL, // binding`
138			`elfcpp::STV_DEFAULT, // visibility`
139			`0, // nonvis`
140			`Symbol::SEGMENT_START, // offset_from_base`
141			`true // only_if_ref`
142			`},`
143			`{`
144			`"etext", // name`
145			`elfcpp::PT_LOAD, // segment_type`
146			`elfcpp::PF_X, // segment_flags_set`
147			`elfcpp::PF_W, // segment_flags_clear`
148			`0, // value`
149			`0, // size`
150			`elfcpp::STT_NOTYPE, // type`
151			`elfcpp::STB_GLOBAL, // binding`
152			`elfcpp::STV_DEFAULT, // visibility`
153			`0, // nonvis`
154			`Symbol::SEGMENT_END, // offset_from_base`
155			`true // only_if_ref`
156			`},`
157			`{`
158			`"_etext", // name`
159			`elfcpp::PT_LOAD, // segment_type`
160			`elfcpp::PF_X, // segment_flags_set`
161			`elfcpp::PF_W, // segment_flags_clear`
162			`0, // value`
163			`0, // size`
164			`elfcpp::STT_NOTYPE, // type`
165			`elfcpp::STB_GLOBAL, // binding`
166			`elfcpp::STV_DEFAULT, // visibility`
167			`0, // nonvis`
168			`Symbol::SEGMENT_END, // offset_from_base`
169			`true // only_if_ref`
170			`},`
171			`{`
172			`"__etext", // name`
173			`elfcpp::PT_LOAD, // segment_type`
174			`elfcpp::PF_X, // segment_flags_set`
175			`elfcpp::PF_W, // segment_flags_clear`
176			`0, // value`
177			`0, // size`
178			`elfcpp::STT_NOTYPE, // type`
179			`elfcpp::STB_GLOBAL, // binding`
180			`elfcpp::STV_DEFAULT, // visibility`
181			`0, // nonvis`
182			`Symbol::SEGMENT_END, // offset_from_base`
183			`true // only_if_ref`
184			`},`
185			`{`
186			`"_edata", // name`
187			`elfcpp::PT_LOAD, // segment_type`
188			`elfcpp::PF_W, // segment_flags_set`
189			`elfcpp::PF(0), // segment_flags_clear`
190			`0, // value`
191			`0, // size`
192			`elfcpp::STT_NOTYPE, // type`
193			`elfcpp::STB_GLOBAL, // binding`
194			`elfcpp::STV_DEFAULT, // visibility`
195			`0, // nonvis`
196			`Symbol::SEGMENT_BSS, // offset_from_base`
197			`false // only_if_ref`
198			`},`
199			`{`
200			`"edata", // name`
201			`elfcpp::PT_LOAD, // segment_type`
202			`elfcpp::PF_W, // segment_flags_set`
203			`elfcpp::PF(0), // segment_flags_clear`
204			`0, // value`
205			`0, // size`
206			`elfcpp::STT_NOTYPE, // type`
207			`elfcpp::STB_GLOBAL, // binding`
208			`elfcpp::STV_DEFAULT, // visibility`
209			`0, // nonvis`
210			`Symbol::SEGMENT_BSS, // offset_from_base`
211			`true // only_if_ref`
212			`},`
213			`{`
214			`"__bss_start", // name`
215			`elfcpp::PT_LOAD, // segment_type`
216			`elfcpp::PF_W, // segment_flags_set`
217			`elfcpp::PF(0), // segment_flags_clear`
218			`0, // value`
219			`0, // size`
220			`elfcpp::STT_NOTYPE, // type`
221			`elfcpp::STB_GLOBAL, // binding`
222			`elfcpp::STV_DEFAULT, // visibility`
223			`0, // nonvis`
224			`Symbol::SEGMENT_BSS, // offset_from_base`
225			`false // only_if_ref`
226			`},`
227			`{`
228			`"_end", // name`
229			`elfcpp::PT_LOAD, // segment_type`
230			`elfcpp::PF_W, // segment_flags_set`
231			`elfcpp::PF(0), // segment_flags_clear`
232			`0, // value`
233			`0, // size`
234			`elfcpp::STT_NOTYPE, // type`
235			`elfcpp::STB_GLOBAL, // binding`
236			`elfcpp::STV_DEFAULT, // visibility`
237			`0, // nonvis`
238			`Symbol::SEGMENT_END, // offset_from_base`
239			`false // only_if_ref`
240			`},`
241			`{`
242			`"end", // name`
243			`elfcpp::PT_LOAD, // segment_type`
244			`elfcpp::PF_W, // segment_flags_set`
245			`elfcpp::PF(0), // segment_flags_clear`
246			`0, // value`
247			`0, // size`
248			`elfcpp::STT_NOTYPE, // type`
249			`elfcpp::STB_GLOBAL, // binding`
250			`elfcpp::STV_DEFAULT, // visibility`
251			`0, // nonvis`
252			`Symbol::SEGMENT_END, // offset_from_base`
253			`true // only_if_ref`
254			`}`
255			`};`
256
257			`const int in_segment_count = sizeof in_segment / sizeof in_segment[0];`
258
259			`} // End anonymous namespace.`
260
261			`namespace gold`
262			`{`
263
264			`void`
265			`define_standard_symbols(Symbol_table* symtab, const Layout* layout)`
266			`{`
267			`bool saw_sections_clause = layout->script_options()->saw_sections_clause();`
268			`symtab->define_symbols(layout, in_section_count, in_section,`
269			`saw_sections_clause);`
270			`symtab->define_symbols(layout, in_segment_count, in_segment,`
271			`saw_sections_clause);`
272			`}`
273
274			`} // End namespace gold.`