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// defstd.cc -- define standard symbols for gold.
 
// Copyright 2006, 2007 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
  },
  {
    "__rel_iplt_start",         // name
    ".rel.iplt",                // 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
  },
  {
    "__rel_iplt_end",           // name
    ".rel.iplt",                // 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
  },
  {
    "__rela_iplt_start",        // name
    ".rela.iplt",               // 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
  },
  {
    "__rela_iplt_end",          // name
    ".rela.iplt",               // 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.

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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.20.1/] [gold/] [defstd.cc] - Blame information for rev 474

Line No.	Rev	Author	Line
1	205	julius	`// defstd.cc -- define standard symbols for gold.`
2
3			`// Copyright 2006, 2007 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			`"__rel_iplt_start", // name`
113			`".rel.iplt", // output_section`
114			`0, // value`
115			`0, // size`
116			`elfcpp::STT_NOTYPE, // type`
117			`elfcpp::STB_GLOBAL, // binding`
118			`elfcpp::STV_HIDDEN, // visibility`
119			`0, // nonvis`
120			`false, // offset_is_from_end`
121			`true // only_if_ref`
122			`},`
123			`{`
124			`"__rel_iplt_end", // name`
125			`".rel.iplt", // output_section`
126			`0, // value`
127			`0, // size`
128			`elfcpp::STT_NOTYPE, // type`
129			`elfcpp::STB_GLOBAL, // binding`
130			`elfcpp::STV_HIDDEN, // visibility`
131			`0, // nonvis`
132			`true, // offset_is_from_end`
133			`true // only_if_ref`
134			`},`
135			`{`
136			`"__rela_iplt_start", // name`
137			`".rela.iplt", // output_section`
138			`0, // value`
139			`0, // size`
140			`elfcpp::STT_NOTYPE, // type`
141			`elfcpp::STB_GLOBAL, // binding`
142			`elfcpp::STV_HIDDEN, // visibility`
143			`0, // nonvis`
144			`false, // offset_is_from_end`
145			`true // only_if_ref`
146			`},`
147			`{`
148			`"__rela_iplt_end", // name`
149			`".rela.iplt", // output_section`
150			`0, // value`
151			`0, // size`
152			`elfcpp::STT_NOTYPE, // type`
153			`elfcpp::STB_GLOBAL, // binding`
154			`elfcpp::STV_HIDDEN, // visibility`
155			`0, // nonvis`
156			`true, // offset_is_from_end`
157			`true // only_if_ref`
158			`},`
159			`{`
160			`"__stack", // name`
161			`".stack", // output_section`
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			`false, // offset_is_from_end`
169			`true // only_if_ref`
170			`},`
171			`};`
172
173			`const int in_section_count = sizeof in_section / sizeof in_section[0];`
174
175			`const Define_symbol_in_segment in_segment[] =`
176			`{`
177			`{`
178			`"__executable_start", // name`
179			`elfcpp::PT_LOAD, // segment_type`
180			`elfcpp::PF(0), // segment_flags_set`
181			`elfcpp::PF(0), // segment_flags_clear`
182			`0, // value`
183			`0, // size`
184			`elfcpp::STT_NOTYPE, // type`
185			`elfcpp::STB_GLOBAL, // binding`
186			`elfcpp::STV_DEFAULT, // visibility`
187			`0, // nonvis`
188			`Symbol::SEGMENT_START, // offset_from_base`
189			`true // only_if_ref`
190			`},`
191			`{`
192			`"etext", // name`
193			`elfcpp::PT_LOAD, // segment_type`
194			`elfcpp::PF_X, // segment_flags_set`
195			`elfcpp::PF_W, // segment_flags_clear`
196			`0, // value`
197			`0, // size`
198			`elfcpp::STT_NOTYPE, // type`
199			`elfcpp::STB_GLOBAL, // binding`
200			`elfcpp::STV_DEFAULT, // visibility`
201			`0, // nonvis`
202			`Symbol::SEGMENT_END, // offset_from_base`
203			`true // only_if_ref`
204			`},`
205			`{`
206			`"_etext", // name`
207			`elfcpp::PT_LOAD, // segment_type`
208			`elfcpp::PF_X, // segment_flags_set`
209			`elfcpp::PF_W, // segment_flags_clear`
210			`0, // value`
211			`0, // size`
212			`elfcpp::STT_NOTYPE, // type`
213			`elfcpp::STB_GLOBAL, // binding`
214			`elfcpp::STV_DEFAULT, // visibility`
215			`0, // nonvis`
216			`Symbol::SEGMENT_END, // offset_from_base`
217			`true // only_if_ref`
218			`},`
219			`{`
220			`"__etext", // name`
221			`elfcpp::PT_LOAD, // segment_type`
222			`elfcpp::PF_X, // segment_flags_set`
223			`elfcpp::PF_W, // segment_flags_clear`
224			`0, // value`
225			`0, // size`
226			`elfcpp::STT_NOTYPE, // type`
227			`elfcpp::STB_GLOBAL, // binding`
228			`elfcpp::STV_DEFAULT, // visibility`
229			`0, // nonvis`
230			`Symbol::SEGMENT_END, // offset_from_base`
231			`true // only_if_ref`
232			`},`
233			`{`
234			`"_edata", // name`
235			`elfcpp::PT_LOAD, // segment_type`
236			`elfcpp::PF_W, // segment_flags_set`
237			`elfcpp::PF(0), // segment_flags_clear`
238			`0, // value`
239			`0, // size`
240			`elfcpp::STT_NOTYPE, // type`
241			`elfcpp::STB_GLOBAL, // binding`
242			`elfcpp::STV_DEFAULT, // visibility`
243			`0, // nonvis`
244			`Symbol::SEGMENT_BSS, // offset_from_base`
245			`false // only_if_ref`
246			`},`
247			`{`
248			`"edata", // name`
249			`elfcpp::PT_LOAD, // segment_type`
250			`elfcpp::PF_W, // segment_flags_set`
251			`elfcpp::PF(0), // segment_flags_clear`
252			`0, // value`
253			`0, // size`
254			`elfcpp::STT_NOTYPE, // type`
255			`elfcpp::STB_GLOBAL, // binding`
256			`elfcpp::STV_DEFAULT, // visibility`
257			`0, // nonvis`
258			`Symbol::SEGMENT_BSS, // offset_from_base`
259			`true // only_if_ref`
260			`},`
261			`{`
262			`"__bss_start", // name`
263			`elfcpp::PT_LOAD, // segment_type`
264			`elfcpp::PF_W, // segment_flags_set`
265			`elfcpp::PF(0), // segment_flags_clear`
266			`0, // value`
267			`0, // size`
268			`elfcpp::STT_NOTYPE, // type`
269			`elfcpp::STB_GLOBAL, // binding`
270			`elfcpp::STV_DEFAULT, // visibility`
271			`0, // nonvis`
272			`Symbol::SEGMENT_BSS, // offset_from_base`
273			`false // only_if_ref`
274			`},`
275			`{`
276			`"_end", // name`
277			`elfcpp::PT_LOAD, // segment_type`
278			`elfcpp::PF_W, // segment_flags_set`
279			`elfcpp::PF(0), // segment_flags_clear`
280			`0, // value`
281			`0, // size`
282			`elfcpp::STT_NOTYPE, // type`
283			`elfcpp::STB_GLOBAL, // binding`
284			`elfcpp::STV_DEFAULT, // visibility`
285			`0, // nonvis`
286			`Symbol::SEGMENT_END, // offset_from_base`
287			`false // only_if_ref`
288			`},`
289			`{`
290			`"end", // name`
291			`elfcpp::PT_LOAD, // segment_type`
292			`elfcpp::PF_W, // segment_flags_set`
293			`elfcpp::PF(0), // segment_flags_clear`
294			`0, // value`
295			`0, // size`
296			`elfcpp::STT_NOTYPE, // type`
297			`elfcpp::STB_GLOBAL, // binding`
298			`elfcpp::STV_DEFAULT, // visibility`
299			`0, // nonvis`
300			`Symbol::SEGMENT_END, // offset_from_base`
301			`true // only_if_ref`
302			`}`
303			`};`
304
305			`const int in_segment_count = sizeof in_segment / sizeof in_segment[0];`
306
307			`} // End anonymous namespace.`
308
309			`namespace gold`
310			`{`
311
312			`void`
313			`define_standard_symbols(Symbol_table* symtab, const Layout* layout)`
314			`{`
315			`bool saw_sections_clause = layout->script_options()->saw_sections_clause();`
316			`symtab->define_symbols(layout, in_section_count, in_section,`
317			`saw_sections_clause);`
318			`symtab->define_symbols(layout, in_segment_count, in_segment,`
319			`saw_sections_clause);`
320			`}`
321
322			`} // End namespace gold.`