X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gold%2Fdefstd.cc;h=fcf46f0876fa5938793525aa68dc5ce6f02afb29;hb=fe7d6a8db01f2a71520578267df7cd2d780ececb;hp=29fd2cd8cf96d0f0a7294d1f1da607b46fa82747;hpb=ead1e4244a55707685d105c662a9a1faf5d122fe;p=deliverable%2Fbinutils-gdb.git

diff --git a/gold/defstd.cc b/gold/defstd.cc
index 29fd2cd8cf..fcf46f0876 100644
--- a/gold/defstd.cc
+++ b/gold/defstd.cc
@@ -1,8 +1,29 @@
 // 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
@@ -86,13 +107,137 @@ const Define_symbol_in_section in_section[] =
     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
@@ -104,8 +249,22 @@ const Define_symbol_in_segment in_segment[] =
     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
   }
 };
 
@@ -117,11 +276,13 @@ namespace gold
 {
 
 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.