* object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack

[external/binutils.git] / gold / object.cc

diff --git a/gold/object.cc b/gold/object.cc
index 127e3a6..7d50514 100644 (file)
--- a/gold/object.cc
+++ b/gold/object.cc
@@ -1,6 +1,6 @@
 // object.cc -- support for an object file for linking in gold
 
-// Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+// Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 // Written by Ian Lance Taylor <iant@google.com>.
 
 // This file is part of gold.
@@ -1180,6 +1180,14 @@ Sized_relobj<size, big_endian>::do_layout(Symbol_table* symtab,
             {
               symtab->gc()->worklist().push(Section_id(this, i)); 
             }
+          // If the section name XXX can be represented as a C identifier
+          // it cannot be discarded if there are references to
+          // __start_XXX and __stop_XXX symbols.  These need to be
+          // specially handled.
+          if (is_cident(name))
+            {
+              symtab->gc()->add_cident_section(name, Section_id(this, i));
+            }
         }
 
       // When doing a relocatable link we are going to copy input
@@ -1313,7 +1321,7 @@ Sized_relobj<size, big_endian>::do_layout(Symbol_table* symtab,
         }
     }
 
-  if (!is_gc_pass_one)
+  if (!is_gc_pass_two)
     layout->layout_gnu_stack(seen_gnu_stack, gnu_stack_flags);
 
   // When doing a relocatable link handle the reloc sections at the
@@ -1382,7 +1390,7 @@ Sized_relobj<size, big_endian>::do_layout(Symbol_table* symtab,
                                                   reloc_type[i],
                                                   &offset);
       out_sections[i] = os;
-      if (offset == -1)
+      if (os == NULL || offset == -1)
        {
          // An object can contain at most one section holding exception
          // frame information.
@@ -1396,7 +1404,7 @@ Sized_relobj<size, big_endian>::do_layout(Symbol_table* symtab,
       // If this section requires special handling, and if there are
       // relocs that apply to it, then we must do the special handling
       // before we apply the relocs.
-      if (offset == -1 && reloc_shndx[i] != 0)
+      if (os != NULL && offset == -1 && reloc_shndx[i] != 0)
        this->set_relocs_must_follow_section_writes();
     }
 
@@ -2146,7 +2154,8 @@ Input_objects::add_object(Object* obj)
     }
 
   // Add this object to the cross-referencer if requested.
-  if (parameters->options().user_set_print_symbol_counts())
+  if (parameters->options().user_set_print_symbol_counts()
+      || parameters->options().cref())
     {
       if (this->cref_ == NULL)
        this->cref_ = new Cref();
@@ -2206,7 +2215,8 @@ Input_objects::check_dynamic_dependencies() const
 void
 Input_objects::archive_start(Archive* archive)
 {
-  if (parameters->options().user_set_print_symbol_counts())
+  if (parameters->options().user_set_print_symbol_counts()
+      || parameters->options().cref())
     {
       if (this->cref_ == NULL)
        this->cref_ = new Cref();
@@ -2219,7 +2229,8 @@ Input_objects::archive_start(Archive* archive)
 void
 Input_objects::archive_stop(Archive* archive)
 {
-  if (parameters->options().user_set_print_symbol_counts())
+  if (parameters->options().user_set_print_symbol_counts()
+      || parameters->options().cref())
     this->cref_->add_archive_stop(archive);
 }
 
@@ -2233,6 +2244,15 @@ Input_objects::print_symbol_counts(const Symbol_table* symtab) const
     this->cref_->print_symbol_counts(symtab);
 }
 
+// Print a cross reference table.
+
+void
+Input_objects::print_cref(const Symbol_table* symtab, FILE* f) const
+{
+  if (parameters->options().cref() && this->cref_ != NULL)
+    this->cref_->print_cref(symtab, f);
+}
+
 // Relocate_info methods.
 
 // Return a string describing the location of a relocation.  This is
@@ -2504,4 +2524,48 @@ template
 struct Relocate_info<64, true>;
 #endif
 
+#ifdef HAVE_TARGET_32_LITTLE
+template
+void
+Xindex::initialize_symtab_xindex<32, false>(Object*, unsigned int);
+
+template
+void
+Xindex::read_symtab_xindex<32, false>(Object*, unsigned int,
+                                     const unsigned char*);
+#endif
+
+#ifdef HAVE_TARGET_32_BIG
+template
+void
+Xindex::initialize_symtab_xindex<32, true>(Object*, unsigned int);
+
+template
+void
+Xindex::read_symtab_xindex<32, true>(Object*, unsigned int,
+                                    const unsigned char*);
+#endif
+
+#ifdef HAVE_TARGET_64_LITTLE
+template
+void
+Xindex::initialize_symtab_xindex<64, false>(Object*, unsigned int);
+
+template
+void
+Xindex::read_symtab_xindex<64, false>(Object*, unsigned int,
+                                     const unsigned char*);
+#endif
+
+#ifdef HAVE_TARGET_64_BIG
+template
+void
+Xindex::initialize_symtab_xindex<64, true>(Object*, unsigned int);
+
+template
+void
+Xindex::read_symtab_xindex<64, true>(Object*, unsigned int,
+                                    const unsigned char*);
+#endif
+
 } // End namespace gold.