// defstd.cc -- define standard symbols for gold.
+// Copyright (C) 2006-2020 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
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
+ },
+ {
+ "__ehdr_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_HIDDEN, // 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::STB_GLOBAL, // binding
elfcpp::STV_DEFAULT, // visibility
0, // nonvis
- Symbol::SEGMENT_START, // offset_from_bas
+ 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
}
};
{
void
-define_standard_symbols(Symbol_table* symtab, const Layout* layout,
- Target* target)
+define_standard_symbols(Symbol_table* symtab, const Layout* layout)
{
- symtab->define_symbols(layout, target, in_section_count, in_section);
- symtab->define_symbols(layout, target, in_segment_count, in_segment);
+ 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.