X-Git-Url: https://oss.titaniummirror.com/gitweb?p=msp430-binutils.git;a=blobdiff_plain;f=gold%2Fdefstd.cc;fp=gold%2Fdefstd.cc;h=984f3e1b042e44f5b41892ab9fec849d36e0c18d;hp=0000000000000000000000000000000000000000;hb=88750007d7869f178f0ba528f41efd3b74c424cf;hpb=6df9443a374e2b81278c61b8afc0a1eef7db280b

diff --git a/gold/defstd.cc b/gold/defstd.cc
new file mode 100644
index 0000000..984f3e1
--- /dev/null
+++ b/gold/defstd.cc
@@ -0,0 +1,262 @@
+// 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.