--- /dev/null
+// 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
+ }
+};
+
+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
+ false // 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.
projects / msp430-binutils.git / blobdiff