Add dlwrap.c to binutils to simulate dlopen/dlsym for gold plugin

binutils-2.20/gold/Makefile.in

 # Makefile.in generated by automake 1.11.1 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
 # 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
 # Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
@@ skipping 63 matching lines @@
 am__objects_1 = archive.$(OBJEXT) attributes.$(OBJEXT) \
         binary.$(OBJEXT) common.$(OBJEXT) compressed_output.$(OBJEXT) \
         copy-relocs.$(OBJEXT) cref.$(OBJEXT) defstd.$(OBJEXT) \
         descriptors.$(OBJEXT) dirsearch.$(OBJEXT) dynobj.$(OBJEXT) \
         dwarf_reader.$(OBJEXT) ehframe.$(OBJEXT) errors.$(OBJEXT) \
         expression.$(OBJEXT) fileread.$(OBJEXT) gc.$(OBJEXT) \
         gold.$(OBJEXT) gold-threads.$(OBJEXT) icf.$(OBJEXT) \
         incremental.$(OBJEXT) int_encoding.$(OBJEXT) layout.$(OBJEXT) \
         mapfile.$(OBJEXT) merge.$(OBJEXT) object.$(OBJEXT) \
         options.$(OBJEXT) output.$(OBJEXT) parameters.$(OBJEXT) \
-        plugin.$(OBJEXT) readsyms.$(OBJEXT) \
+        plugin.$(OBJEXT) dlwrap.$(OBJEXT) readsyms.$(OBJEXT) \
         reduced_debug_output.$(OBJEXT) reloc.$(OBJEXT) \
         resolve.$(OBJEXT) script-sections.$(OBJEXT) script.$(OBJEXT) \
         stringpool.$(OBJEXT) symtab.$(OBJEXT) target.$(OBJEXT) \
         target-select.$(OBJEXT) timer.$(OBJEXT) version.$(OBJEXT) \
         workqueue.$(OBJEXT) workqueue-threads.$(OBJEXT)
 am__objects_2 =
 am__objects_3 = yyscript.$(OBJEXT)
 am_libgold_a_OBJECTS = $(am__objects_1) $(am__objects_2) \
         $(am__objects_3) $(am__objects_2)
 libgold_a_OBJECTS = $(am_libgold_a_OBJECTS)
@@ skipping 265 matching lines @@
 ACLOCAL_AMFLAGS = -I ../bfd -I ../config
 AM_CFLAGS = $(WARN_CFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS)
 AM_CXXFLAGS = $(WARN_CXXFLAGS) $(LFS_CFLAGS) $(RANDOM_SEED_CFLAGS)
 AM_CPPFLAGS = \
         -I$(srcdir) -I$(srcdir)/../include -I$(srcdir)/../elfcpp \
         -DLOCALEDIR="\"$(datadir)/locale\"" \
         -DBINDIR="\"$(bindir)\"" -DTOOLBINDIR="\"$(tooldir)/bin\"" \
         @INCINTL@
 
 LIBIBERTY = ../libiberty/libiberty.a
-@PLUGINS_TRUE@LIBDL = -ldl
+@PLUGINS_TRUE@LIBDL = -l:gold-plugin-static.o -lstdc++ -lpthread -ldl
 @THREADS_TRUE@THREADSLIB = -lpthread
 AM_YFLAGS = -d
 
 # Automake 1.10+ disables lex and yacc output file regeneration if
 # maintainer mode is disabled.  Avoid this.
 am__skiplex = 
 am__skipyacc = 
 noinst_LIBRARIES = libgold.a
 CCFILES = \
         archive.cc \
@@ skipping 19 matching lines @@
         incremental.cc \
         int_encoding.cc \
         layout.cc \
         mapfile.cc \
         merge.cc \
         object.cc \
         options.cc \
         output.cc \
         parameters.cc \
         plugin.cc \
+        dlwrap.c \
         readsyms.cc \
         reduced_debug_output.cc \
         reloc.cc \
         resolve.cc \
         script-sections.cc \
         script.cc \
         stringpool.cc \
         symtab.cc \
         target.cc \
         target-select.cc \
@@ skipping 26 matching lines @@
         icf.h \
         int_encoding.h \
         layout.h \
         mapfile.h \
         merge.h \
         object.h \
         options.h \
         output.h \
         parameters.h \
         plugin.h \
+        dlwrap.h \
         readsyms.h \
         reduced_debug_output.h \
         reloc.h \
         reloc-types.h \
         script-c.h \
         script-sections.h \
         script.h \
         stringpool.h \
         symtab.h \
         target.h \
@@ skipping 186 matching lines @@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/int_encoding.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/layout.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/main.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mapfile.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/merge.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/object.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/options.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/output.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/parameters.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dlwrap.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/powerpc.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/readsyms.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/reduced_debug_output.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/reloc.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/resolve.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script-sections.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sparc.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stringpool.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/symtab.Po@am__quote@
@@ skipping 536 matching lines @@
 
 @GCC_TRUE@@NATIVE_LINKER_TRUE@bootstrap-test-r: ld2-r
 @GCC_TRUE@@NATIVE_LINKER_TRUE@  rm -f $@
 @GCC_TRUE@@NATIVE_LINKER_TRUE@  echo "#!/bin/sh" > $@
 @GCC_TRUE@@NATIVE_LINKER_TRUE@  echo "cmp ld1-r ld2-r" > $@
 @GCC_TRUE@@NATIVE_LINKER_TRUE@  chmod +x $@
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT: