diff --ru --new-file a/ld/ldfile.c b/ld/ldfile.c
--- a/ld/ldfile.c	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/ldfile.c	2019-08-17 11:38:31.062209027 -0400
@@ -122,6 +122,16 @@ bfd_boolean
 ldfile_try_open_bfd (const char *attempt,
 		     lang_input_statement_type *entry)
 {
+
+#ifdef PE_TARGET_MDSO
+  if (!entry->flags.dynamic) {
+    (void)0;
+  } else  if (!(attempt = pe_mdso_input_name(attempt))) {
+    fprintf(stderr,"%s: pe_mdso_input_name() returned an error.\n",program_name);
+    xexit(EXIT_FAILURE);
+  }
+#endif
+
   entry->the_bfd = bfd_openr (attempt, entry->target);
 
   if (verbose)
diff -ru --new-file a/ld/configure b/ld/configure
--- a/ld/configure	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/configure	2015-03-11 20:01:08.888756786 -0400
@@ -19773,3 +19773,31 @@
 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
+sed -i -e 's/@pe_executable_name@/'"$PE_EXECUTABLE_NAME"'/g' Makefile
+sed -i -e 's/@pe_framework_libs@/'"$PE_FRAMEWORK_LIBS"'/g' Makefile
+sed -i -e 's/@pe_crt_section@/'"$PE_CRT_SECTION"'/g' Makefile
+sed -i -e 's/@pe_cygwin_fork_support@/'"$PE_CYGWIN_FORK_SUPPORT"'/g' Makefile
+
+#PE custom import library support
+if [ -f peimplib.h ]; then
+	echo 'build directory is not clean (peimplib.h already exists)'
+	exit 2
+fi
+
+touch peimplib.h || exit 2
+
+case $target_os in
+	*midipix*)
+		cat >> peimplib.h << EOF
+/* PE target-specific bits, generated by ld/configure */
+#ifndef PE_TARGET_MIDIPIX
+#define PE_TARGET_MIDIPIX
+#endif
+
+#ifndef PE_TARGET_MDSO
+#define PE_TARGET_MDSO 1
+#endif
+
+#include "pe-mdso.h"
+EOF
+esac
diff --ru --new-file a/ld/sysdep.h b/ld/sysdep.h
--- a/ld/sysdep.h	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/sysdep.h	2019-08-16 03:08:47.771929753 -0400
@@ -26,6 +26,7 @@
 #endif
 
 #include "config.h"
+#include "peimplib.h"
 
 #include <stdio.h>
 #include <sys/types.h>
diff -ru --new-file a/ld/emultempl/pe.em b/ld/emultempl/pe.em
--- a/ld/emultempl/pe.em	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/emultempl/pe.em	2019-08-17 11:38:31.062209027 -0400
@@ -69,6 +69,14 @@ fragment <<EOF
 #include "ldbuildid.h"
 #include "coff/internal.h"
 
+#ifndef PE_IMPLIB_SUFFIX
+#define PE_IMPLIB_SUFFIX	".dll.a"
+#endif
+
+#ifndef PE_DSO_SUFFIX
+#define PE_DSO_SUFFIX		".dll"
+#endif
+
 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
    header in generic PE code.  */
 #include "coff/i386.h"
@@ -132,13 +140,15 @@ static int support_old_code = 0;
 static char * thumb_entry_symbol = NULL;
 static lang_assignment_statement_type *image_base_statement = 0;
 static unsigned short pe_dll_characteristics = 0;
-static bfd_boolean insert_timestamp = TRUE;
+static bfd_boolean insert_timestamp = 0;
 static const char *emit_build_id;
 
 #ifdef DLL_SUPPORT
 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable.  */
 static char *pe_out_def_filename = NULL;
 static char *pe_implib_filename = NULL;
+static char * pe_dsolib_filename = NULL;
+static char * pe_dsolib_loader_path = NULL;
 static int pe_enable_auto_image_base = 0;
 static unsigned long pe_auto_image_base = 0x61500000;
 static char *pe_dll_search_prefix = NULL;
@@ -229,7 +239,9 @@ fragment <<EOF
 #define OPTION_ENABLE_STDCALL_FIXUP	(OPTION_STDCALL_ALIASES + 1)
 #define OPTION_DISABLE_STDCALL_FIXUP	(OPTION_ENABLE_STDCALL_FIXUP + 1)
 #define OPTION_IMPLIB_FILENAME		(OPTION_DISABLE_STDCALL_FIXUP + 1)
-#define OPTION_THUMB_ENTRY		(OPTION_IMPLIB_FILENAME + 1)
+#define OPTION_DSOLIB_FILENAME		(OPTION_IMPLIB_FILENAME + 1)
+#define OPTION_DSOLIB_LOADER_PATH	(OPTION_DSOLIB_FILENAME + 1)
+#define OPTION_THUMB_ENTRY		(OPTION_DSOLIB_LOADER_PATH + 1)
 #define OPTION_WARN_DUPLICATE_EXPORTS	(OPTION_THUMB_ENTRY + 1)
 #define OPTION_IMP_COMPAT		(OPTION_WARN_DUPLICATE_EXPORTS + 1)
 #define OPTION_ENABLE_AUTO_IMAGE_BASE	(OPTION_IMP_COMPAT + 1)
@@ -324,6 +336,8 @@ gld${EMULATION_NAME}_add_options
     {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
     {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
     {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
+    {"out-dsolib", required_argument, NULL, OPTION_DSOLIB_FILENAME},
+    {"dsolib-loader-path", required_argument, NULL, OPTION_DSOLIB_LOADER_PATH},
     {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
     /* getopt() allows abbreviations, so we do this to stop it from
        treating -c as an abbreviation for these --compat-implib.  */
@@ -471,8 +485,8 @@ gld_${EMULATION_NAME}_list_options (FILE *file)
                                        specifically set with --image-base\n"));
   fprintf (file, _("  --disable-auto-image-base          Do not auto-choose image base. (default)\n"));
   fprintf (file, _("  --dll-search-prefix=<string>       When linking dynamically to a dll without\n\
-                                       an importlib, use <string><basename>.dll\n\
-                                       in preference to lib<basename>.dll \n"));
+                                       an importlib, use <string><basename>"PE_DSO_SUFFIX"\n\
+                                       in preference to lib<basename>"PE_DSO_SUFFIX" \n"));
   fprintf (file, _("  --enable-auto-import               Do sophisticated linking of _sym to\n\
                                        __imp_sym for DATA references\n"));
   fprintf (file, _("  --disable-auto-import              Do not auto-import DATA items from DLLs\n"));
@@ -808,6 +822,12 @@ gld${EMULATION_NAME}_handle_option (int optc)
     case OPTION_IMPLIB_FILENAME:
       pe_implib_filename = xstrdup (optarg);
       break;
+    case OPTION_DSOLIB_FILENAME:
+      pe_dsolib_filename = xstrdup (optarg);
+      break;
+    case OPTION_DSOLIB_LOADER_PATH:
+      pe_dsolib_loader_path = xstrdup (optarg);
+      break;
     case OPTION_WARN_DUPLICATE_EXPORTS:
       pe_dll_warn_dup_exports = 1;
       break;
@@ -1698,7 +1718,7 @@ gld_${EMULATION_NAME}_after_open (void)
 		       extension, and use that for the remainder of the
 		       comparisons.  */
 		    pnt = strrchr (is3->the_bfd->filename, '.');
-		    if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
+		    if (pnt != NULL && filename_cmp (pnt, PE_DSO_SUFFIX) == 0)
 		      break;
 		  }
 
@@ -1733,7 +1753,7 @@ gld_${EMULATION_NAME}_after_open (void)
 	       then leave the filename alone.  */
 	    pnt = strrchr (is->the_bfd->filename, '.');
 
-	    if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
+	    if (is_ms_arch && (filename_cmp (pnt, PE_DSO_SUFFIX) == 0))
 	      {
 		int idata2 = 0, reloc_count=0;
 		asection *sec;
@@ -2063,8 +2083,14 @@ gld_${EMULATION_NAME}_finish (void)
     )
     {
       pe_dll_fill_sections (link_info.output_bfd, &link_info);
+
+      /* generate legacy implib? */
       if (pe_implib_filename)
 	pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
+
+      /* generate mdso implib? */
+      if (pe_dsolib_filename)
+       pe_dll_generate_dsolib (pe_def_file, 0, pe_dsolib_filename, pe_dsolib_loader_path, 32);
     }
 #if defined(TARGET_IS_shpe)
   /* ARM doesn't need relocs.  */
@@ -2298,16 +2324,25 @@ gld_${EMULATION_NAME}_open_dynamic_archive
     }
   libname_fmt [] =
     {
+      /* optionally support ldso-specific import libraries */
+      #ifdef PE_TARGET_MDSO
+      { "lib%s"PE_DSOLIB_SUFFIX, FALSE },
+      #endif
       /* Preferred explicit import library for dll's.  */
-      { "lib%s.dll.a", FALSE },
+      { "lib%s"PE_IMPLIB_SUFFIX, FALSE },
       /* Alternate explicit import library for dll's.  */
-      { "%s.dll.a", FALSE },
+      { "%s"PE_IMPLIB_SUFFIX, FALSE },
+#ifdef PE_TARGET_MDSO
+      /* libfoo.so precedes libfoo.a, generate mdso implib as needed */
+      {	"lib%s"PE_DSO_SUFFIX, FALSE },
+#endif
       /* "libfoo.a" could be either an import lib or a static lib.
           For backwards compatibility, libfoo.a needs to precede
           libfoo.dll and foo.dll in the search.  */
       { "lib%s.a", FALSE },
       /* The 'native' spelling of an import lib name is "foo.lib".  */
       { "%s.lib", FALSE },
+#ifndef PE_TARGET_MDSO
 #ifdef DLL_SUPPORT
       /* Try "<prefix>foo.dll" (preferred dll name, if specified).  */
       {	"%s%s.dll", TRUE },
@@ -2316,6 +2351,7 @@ gld_${EMULATION_NAME}_open_dynamic_archive
       {	"lib%s.dll", FALSE },
       /* Finally try 'native' dll name "foo.dll".  */
       {  "%s.dll", FALSE },
+#endif
       /* Note: If adding more formats to this table, make sure to check to
 	 see if their length is longer than libname_fmt[0].format, and if
 	 so, update the call to xmalloc() below.  */
diff -ru --new-file a/ld/emultempl/pep.em b/ld/emultempl/pep.em
--- a/ld/emultempl/pep.em	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/emultempl/pep.em	2019-08-17 11:38:31.062209027 -0400
@@ -67,6 +67,14 @@ fragment <<EOF
 #include "ldbuildid.h"
 #include "coff/internal.h"
 
+#ifndef PE_IMPLIB_SUFFIX
+#define PE_IMPLIB_SUFFIX	".dll.a"
+#endif
+
+#ifndef PE_DSO_SUFFIX
+#define PE_DSO_SUFFIX		".dll"
+#endif
+
 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
    header in generic PE code.  */
 #include "coff/x86_64.h"
@@ -147,13 +155,15 @@ static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
 static int support_old_code = 0;
 static lang_assignment_statement_type *image_base_statement = 0;
 static unsigned short pe_dll_characteristics = 0;
-static bfd_boolean insert_timestamp = TRUE;
+static bfd_boolean insert_timestamp = 0;
 static const char *emit_build_id;
 
 #ifdef DLL_SUPPORT
 static int    pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default).  */
 static char * pep_out_def_filename = NULL;
 static char * pep_implib_filename = NULL;
+static char * pep_dsolib_filename = NULL;
+static char * pep_dsolib_loader_path = NULL;
 static int    pep_enable_auto_image_base = 0;
 static char * pep_dll_search_prefix = NULL;
 #endif
@@ -218,6 +228,8 @@ enum options
   OPTION_ENABLE_STDCALL_FIXUP,
   OPTION_DISABLE_STDCALL_FIXUP,
   OPTION_IMPLIB_FILENAME,
+  OPTION_DSOLIB_FILENAME,
+  OPTION_DSOLIB_LOADER_PATH,
   OPTION_WARN_DUPLICATE_EXPORTS,
   OPTION_IMP_COMPAT,
   OPTION_ENABLE_AUTO_IMAGE_BASE,
@@ -296,6 +308,8 @@ gld${EMULATION_NAME}_add_options
     {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
     {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
     {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
+    {"out-dsolib", required_argument, NULL, OPTION_DSOLIB_FILENAME},
+    {"dsolib-loader-path", required_argument, NULL, OPTION_DSOLIB_LOADER_PATH},
     {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
     /* getopt() allows abbreviations, so we do this to stop it from
        treating -c as an abbreviation for these --compat-implib.  */
@@ -434,8 +448,8 @@ gld_${EMULATION_NAME}_list_options (FILE *file)
                                        unless user specifies one\n"));
   fprintf (file, _("  --disable-auto-image-base          Do not auto-choose image base. (default)\n"));
   fprintf (file, _("  --dll-search-prefix=<string>       When linking dynamically to a dll without\n\
-                                       an importlib, use <string><basename>.dll\n\
-                                       in preference to lib<basename>.dll \n"));
+                                       an importlib, use <string><basename>"PE_DSO_SUFFIX"\n\
+                                       in preference to lib<basename>"PE_DSO_SUFFIX" \n"));
   fprintf (file, _("  --enable-auto-import               Do sophisticated linking of _sym to\n\
                                        __imp_sym for DATA references\n"));
   fprintf (file, _("  --disable-auto-import              Do not auto-import DATA items from DLLs\n"));
@@ -760,6 +774,12 @@ gld${EMULATION_NAME}_handle_option (int optc)
     case OPTION_IMPLIB_FILENAME:
       pep_implib_filename = xstrdup (optarg);
       break;
+    case OPTION_DSOLIB_FILENAME:
+      pep_dsolib_filename = xstrdup (optarg);
+      break;
+    case OPTION_DSOLIB_LOADER_PATH:
+      pep_dsolib_loader_path = xstrdup (optarg);
+      break;
     case OPTION_WARN_DUPLICATE_EXPORTS:
       pep_dll_warn_dup_exports = 1;
       break;
@@ -1635,7 +1655,7 @@ gld_${EMULATION_NAME}_after_open (void)
 		       extension, and use that for the remainder of the
 		       comparisons.  */
 		    pnt = strrchr (is3->the_bfd->filename, '.');
-		    if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
+		    if (pnt != NULL && filename_cmp (pnt, PE_DSO_SUFFIX) == 0)
 		      break;
 		  }
 
@@ -1670,7 +1690,7 @@ gld_${EMULATION_NAME}_after_open (void)
 	       then leave the filename alone.  */
 	    pnt = strrchr (is->the_bfd->filename, '.');
 
-	    if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
+	    if (is_ms_arch && (filename_cmp (pnt, PE_DSO_SUFFIX) == 0))
 	      {
 		int idata2 = 0, reloc_count=0;
 		asection *sec;
@@ -1834,8 +1854,14 @@ gld_${EMULATION_NAME}_finish (void)
       || (!link_info.relocatable && pep_def_file->num_exports != 0))
     {
       pep_dll_fill_sections (link_info.output_bfd, &link_info);
+
+      /* generate legacy implib? */
       if (pep_implib_filename)
 	pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
+
+      /* generate mdso implib? */
+      if (pep_dsolib_filename)
+	pep_dll_generate_dsolib (pep_def_file, 0, pep_dsolib_filename, pep_dsolib_loader_path, 64);
     }
 
   if (pep_out_def_filename)
@@ -2062,16 +2088,25 @@ gld_${EMULATION_NAME}_open_dynamic_archive
     }
   libname_fmt [] =
     {
+      /* optionally support ldso-specific import libraries */
+#ifdef PE_TARGET_MDSO
+      { "lib%s"PE_DSOLIB_SUFFIX, FALSE },
+#endif
       /* Preferred explicit import library for dll's.  */
-      { "lib%s.dll.a", FALSE },
+      { "lib%s"PE_IMPLIB_SUFFIX, FALSE },
       /* Alternate explicit import library for dll's.  */
-      { "%s.dll.a", FALSE },
+      { "%s"PE_IMPLIB_SUFFIX, FALSE },
+#ifdef PE_TARGET_MDSO
+      /* libfoo.so precedes libfoo.a, generate mdso implib as needed */
+      {	"lib%s"PE_DSO_SUFFIX, FALSE },
+#endif
       /* "libfoo.a" could be either an import lib or a static lib.
           For backwards compatibility, libfoo.a needs to precede
           libfoo.dll and foo.dll in the search.  */
       { "lib%s.a", FALSE },
       /* The 'native' spelling of an import lib name is "foo.lib".  */
       { "%s.lib", FALSE },
+#ifndef PE_TARGET_MDSO
 #ifdef DLL_SUPPORT
       /* Try "<prefix>foo.dll" (preferred dll name, if specified).  */
       {	"%s%s.dll", TRUE },
@@ -2080,6 +2115,7 @@ gld_${EMULATION_NAME}_open_dynamic_archive
       {	"lib%s.dll", FALSE },
       /* Finally try 'native' dll name "foo.dll".  */
       {  "%s.dll", FALSE },
+#endif
       /* Note: If adding more formats to this table, make sure to check to
 	 see if their length is longer than libname_fmt[0].format, and if
 	 so, update the call to xmalloc() below.  */
diff -ru --new-file a/ld/configure.tgt b/ld/configure.tgt
--- a/ld/configure.tgt	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/configure.tgt	2019-08-15 06:52:04.192983142 -0400
@@ -319,6 +319,12 @@
 			test "$targ" != "$host" && LIB_PATH='${tooldir}/lib/w32api' ;;
 i[3-7]86-*-mingw32*)	targ_emul=i386pe ;
 			targ_extra_ofiles="deffilep.o pe-dll.o" ;;
+i[3-7]86-*-midipix*)	targ_emul=i386pe ;
+			targ_extra_ofiles="deffilep.o pe-dll.o pe-mdso.o" ;
+			PE_FRAMEWORK_LIBS="-lperk -lmdso" ;
+			PE_EXECUTABLE_NAME=a.out ;
+			PE_CRT_SECTION=no ;
+			PE_CYGWIN_FORK_SUPPORT=no ;;
 x86_64-*-pe | x86_64-*-pep) targ_emul=i386pep ;
 			targ_extra_emuls=i386pe ;
 			targ_extra_ofiles="deffilep.o pep-dll.o pe-dll.o" ;;
@@ -329,7 +335,14 @@
 x86_64-*-mingw*)	targ_emul=i386pep ;
 			targ_extra_emuls=i386pe
 			targ_extra_ofiles="deffilep.o pep-dll.o pe-dll.o" ;;
-i[3-7]86-*-interix*)	targ_emul=i386pe_posix;
+x86_64-*-midipix*)	targ_emul=i386pep ;
+			targ_extra_emuls=i386pe ;
+			targ_extra_ofiles="deffilep.o pep-dll.o pe-dll.o pe-mdso.o" ;
+			PE_FRAMEWORK_LIBS="-lperk -lmdso" ;
+			PE_EXECUTABLE_NAME=a.out ;
+			PE_CRT_SECTION=no ;
+			PE_CYGWIN_FORK_SUPPORT=no ;;
+i[3-7]86-*-interix*)	targ_emul=i386pe_posix ;
  			targ_extra_ofiles="deffilep.o pe-dll.o" ;;
 i[3-7]86-*-beospe*)	targ_emul=i386beos ;;
 i[3-7]86-*-beos*)	targ_emul=elf_i386_be ;;
@@ -825,6 +838,10 @@
 *-*-linux*)
   ;;
 
+*-*-midipix*)
+  NATIVE_LIB_DIRS=
+  ;;
+
 *-*-netbsd*)
   ;;
 
diff -ru --new-file a/ld/Makefile.in b/ld/Makefile.in
--- a/ld/Makefile.in	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/Makefile.in	2019-08-15 05:53:23.807970635 -0400
@@ -54,6 +54,10 @@
 host_triplet = @host@
 target_triplet = @target@
 bin_PROGRAMS = ld-new$(EXEEXT)
+PE_EXECUTABLE_NAME = @pe_executable_name@
+PE_FRAMEWORK_LIBS = @pe_framework_libs@
+PE_CRT_SECTION = @pe_crt_section@
+PE_CYGWIN_FORK_SUPPORT = @pe_cygwin_fork_support@
 
 # Automake 1.9 will only build info files in the objdir if they are
 # mentioned in DISTCLEANFILES.  It doesn't have to be unconditional,
@@ -831,7 +835,7 @@
 POTFILES = $(CFILES) $(HFILES) $(EMULATION_FILES)
 
 # These all start with e so 'make clean' can find them.
-GENSCRIPTS = LIB_PATH='${LIB_PATH}' $(SHELL) $(srcdir)/genscripts.sh "${srcdir}" "${libdir}" "${prefix}" "${exec_prefix}" @host@ @target@ @target_alias@ "@EMULATION_LIBPATH@" "@NATIVE_LIB_DIRS@" @use_sysroot@ @enable_initfini_array@
+GENSCRIPTS = EXECUTABLE_NAME='${PE_EXECUTABLE_NAME}' PE_FRAMEWORK_LIBS='${PE_FRAMEWORK_LIBS}' PE_CRT_SECTION='${PE_CRT_SECTION}' PE_CYGWIN_FORK_SUPPORT='${PE_CYGWIN_FORK_SUPPORT}' LIB_PATH='${LIB_PATH}' $(SHELL) $(srcdir)/genscripts.sh "${srcdir}" "${libdir}" "${prefix}" "${exec_prefix}" @host@ @target@ @target_alias@ "@EMULATION_LIBPATH@" "@NATIVE_LIB_DIRS@" @use_sysroot@ @enable_initfini_array@
 GEN_DEPENDS = $(srcdir)/genscripts.sh stringify.sed
 ELF_DEPS = $(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/elf-generic.em $(srcdir)/scripttempl/DWARF.sc
 ELF_GEN_DEPS = $(srcdir)/emultempl/generic.em $(srcdir)/emultempl/elf-generic.em $(srcdir)/emultempl/genelf.em $(srcdir)/scripttempl/DWARF.sc
@@ -1032,7 +1036,7 @@
 	else :; fi
 ld-new$(EXEEXT): $(ld_new_OBJECTS) $(ld_new_DEPENDENCIES) 
 	@rm -f ld-new$(EXEEXT)
-	$(LINK) $(ld_new_OBJECTS) $(ld_new_LDADD) $(LIBS)
+	$(LINK) $(ld_new_OBJECTS) $(ld_new_LDADD) $(LIBS) $(PE_FRAMEWORK_LIBS)
 
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)
@@ -3411,16 +3415,16 @@
 ld-partial.@OBJEXT@: ld-new$(EXEEXT)
 	./ld-new$(EXEEXT) $(HOSTING_EMU) -o ld-partial.@OBJEXT@ -r $(OFILES)
 ld1$(EXEEXT): ld-partial.@OBJEXT@
-	./ld-new$(EXEEXT) $(HOSTING_EMU) -o ld1$(EXEEXT) $(HOSTING_CRT0) ld-partial.@OBJEXT@ $(TESTBFDLIB) $(LIBIBERTY) $(HOSTING_LIBS) $(LIBS)
+	./ld-new$(EXEEXT) $(HOSTING_EMU) -o ld1$(EXEEXT) $(HOSTING_CRT0) ld-partial.@OBJEXT@ $(TESTBFDLIB) $(LIBIBERTY) $(HOSTING_LIBS) $(LIBS) $(PE_FRAMEWORK_LIBS)
 
 ld1-full$(EXEEXT): ld-new
-	./ld-new$(EXEEXT) $(HOSTING_EMU) -o ld1-full$(EXEEXT) $(HOSTING_CRT0) $(OFILES) $(TESTBFDLIB) $(LIBIBERTY) $(HOSTING_LIBS) $(LIBS)
+	./ld-new$(EXEEXT) $(HOSTING_EMU) -o ld1-full$(EXEEXT) $(HOSTING_CRT0) $(OFILES) $(TESTBFDLIB) $(LIBIBERTY) $(HOSTING_LIBS) $(LIBS) $(PE_FRAMEWORK_LIBS)
 
 ld2$(EXEEXT): ld1$(EXEEXT)
-	./ld1$(EXEEXT) $(HOSTING_EMU) -o ld2$(EXEEXT) $(HOSTING_CRT0) $(OFILES) $(TESTBFDLIB) $(LIBIBERTY) $(HOSTING_LIBS) $(LIBS)
+	./ld1$(EXEEXT) $(HOSTING_EMU) -o ld2$(EXEEXT) $(HOSTING_CRT0) $(OFILES) $(TESTBFDLIB) $(LIBIBERTY) $(HOSTING_LIBS) $(LIBS) $(PE_FRAMEWORK_LIBS)
 
 ld3$(EXEEXT): ld2$(EXEEXT)
-	./ld2$(EXEEXT) $(HOSTING_EMU) -o ld3$(EXEEXT) $(HOSTING_CRT0) $(OFILES) $(TESTBFDLIB) $(LIBIBERTY) $(HOSTING_LIBS) $(LIBS)
+	./ld2$(EXEEXT) $(HOSTING_EMU) -o ld3$(EXEEXT) $(HOSTING_CRT0) $(OFILES) $(TESTBFDLIB) $(LIBIBERTY) $(HOSTING_LIBS) $(LIBS) $(PE_FRAMEWORK_LIBS)
 
 bootstrap: ld3$(EXEEXT)
 	cmp ld2$(EXEEXT) ld3$(EXEEXT)
diff -ru --new-file a/ld/scripttempl/pep.sc b/ld/scripttempl/pep.sc
--- a/ld/scripttempl/pep.sc	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/scripttempl/pep.sc	2015-03-11 20:10:05.324773952 -0400
@@ -92,12 +92,17 @@
     ${RELOCATING+ *(.gcc_except_table)}
   }
 
+EOF
+if [ x"$PE_CYGWIN_FORK_SUPPORT" != xno ]; then cat << EOF
   /* The Cygwin32 library uses a section to avoid copying certain data
      on fork.  This used to be named ".data$nocopy".  The linker used
      to include this between __data_start__ and __data_end__, but that
      breaks building the cygwin32 dll.  Instead, we name the section
      ".data_cygwin_nocopy" and explicitly include it after __data_end__. */
 
+EOF
+fi
+cat << EOF
   .data ${RELOCATING+BLOCK(__section_alignment__)} :
   {
     ${RELOCATING+__data_start__ = . ;}
@@ -106,7 +111,12 @@
     ${R_DATA}
     *(.jcr)
     ${RELOCATING+__data_end__ = . ;}
+EOF
+if [ x"$PE_CYGWIN_FORK_SUPPORT" != xno ]; then cat << EOF
     ${RELOCATING+*(.data_cygwin_nocopy)}
+EOF
+fi
+cat << EOF
   }
 
   .rdata ${RELOCATING+BLOCK(__section_alignment__)} :
@@ -170,6 +180,8 @@
     ${RELOCATING+__IAT_end__ = .;}
     ${R_IDATA67}
   }
+EOF
+if [ x"$PE_CRT_SECTION" != xno ]; then cat << EOF
   .CRT ${RELOCATING+BLOCK(__section_alignment__)} :
   { 					
     ${RELOCATING+___crt_xc_start__ = . ;}
@@ -188,6 +200,9 @@
     ${R_CRT_XT}
     ${RELOCATING+___crt_xt_end__ = . ;}
   }
+EOF
+fi
+cat << EOF
 
   /* Windows TLS expects .tls\$AAA to be at the start and .tls\$ZZZ to be
      at the end of the .tls section.  This is important because _tls_start MUST
diff -ru --new-file a/ld/scripttempl/pe.sc b/ld/scripttempl/pe.sc
--- a/ld/scripttempl/pe.sc	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/scripttempl/pe.sc	2015-03-11 20:10:10.036774102 -0400
@@ -92,12 +92,17 @@
     ${RELOCATING+ *(.gcc_except_table)}
   }
 
+EOF
+if [ x"$PE_CYGWIN_FORK_SUPPORT" != xno ]; then cat << EOF
   /* The Cygwin32 library uses a section to avoid copying certain data
      on fork.  This used to be named ".data$nocopy".  The linker used
      to include this between __data_start__ and __data_end__, but that
      breaks building the cygwin32 dll.  Instead, we name the section
      ".data_cygwin_nocopy" and explicitly include it after __data_end__. */
 
+EOF
+fi
+cat << EOF
   .data ${RELOCATING+BLOCK(__section_alignment__)} :
   {
     ${RELOCATING+__data_start__ = . ;}
@@ -106,7 +111,12 @@
     ${R_DATA}
     *(.jcr)
     ${RELOCATING+__data_end__ = . ;}
+EOF
+if [ x"$PE_CYGWIN_FORK_SUPPORT" != xno ]; then cat << EOF
     ${RELOCATING+*(.data_cygwin_nocopy)}
+EOF
+fi
+cat << EOF
   }
 
   .rdata ${RELOCATING+BLOCK(__section_alignment__)} :
@@ -165,6 +175,8 @@
     ${RELOCATING+__IAT_end__ = .;}
     ${R_IDATA67}
   }
+EOF
+if [ x"$PE_CRT_SECTION" != xno ]; then cat << EOF
   .CRT ${RELOCATING+BLOCK(__section_alignment__)} :
   { 					
     ${RELOCATING+___crt_xc_start__ = . ;}
@@ -183,6 +195,9 @@
     ${R_CRT_XT}
     ${RELOCATING+___crt_xt_end__ = . ;}
   }
+EOF
+fi
+cat << EOF
 
   /* Windows TLS expects .tls\$AAA to be at the start and .tls\$ZZZ to be
      at the end of section.  This is important because _tls_start MUST
diff -ru --new-file a/binutils/winduni.c b/binutils/winduni.c
--- a/binutils/winduni.c	2014-07-03 01:37:23.000000000 -0400
+++ b/binutils/winduni.c	2015-02-14 11:18:32.987163288 -0500
@@ -57,7 +57,7 @@
 /* Codepages mapped.  */
 static local_iconv_map codepages[] =
 {
-  { 0, "MS-ANSI" },
+  { 0, "cp1252" },
   { 1, "WINDOWS-1252" },
   { 437, "MS-ANSI" },
   { 737, "MS-GREEK" },
diff -ru a/ld/pe-dll.c b/ld/pe-dll.c
--- a/ld/pe-dll.c	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/pe-dll.c	2019-06-30 22:22:22.643202346 -0400
@@ -27,6 +27,7 @@
 #include "safe-ctype.h"
 
 #include <time.h>
+#include <sys/wait.h>
 
 #include "ld.h"
 #include "ldexp.h"
@@ -40,6 +41,7 @@
 #include "coff/internal.h"
 #include "../bfd/libcoff.h"
 #include "deffile.h"
+#include "peimplib.h"
 
 #ifdef pe_use_x86_64
 
@@ -234,7 +236,11 @@
   { STRING_COMMA_LEN ("impure_ptr") },
   { STRING_COMMA_LEN ("_impure_ptr") },
   { STRING_COMMA_LEN ("_fmode") },
+  #ifdef PE_TARGET_MIDIPIX
+  /* (default) excluded symbols are defined by the caller (specs, etc.) */
+  #else
   { STRING_COMMA_LEN ("environ") },
+  #endif
   { NULL, 0 }
 };
 
@@ -644,10 +650,13 @@
 {
   int i, j;
   struct bfd_link_hash_entry *blhe;
+  struct bfd_link_hash_entry *blhew;
   bfd *b;
   struct bfd_section *s;
   def_file_export *e = 0;
   bfd_boolean resort_needed;
+  char *weaksym;
+  char *objsym;
 
   if (!pe_def_file)
     pe_def_file = def_file_empty ();
@@ -737,6 +746,16 @@
 		    if (is_import (sn))
 			  continue;
 
+		    if (!strncmp (sn, ".weak.", 6) && strchr (sn + 6, '.'))
+		      {
+		        objsym = strdup (sn);
+		        weaksym = strdup (sn + 6);
+		        *(strchr (weaksym, '.')) = '\0';
+		        sn = weaksym;
+		      }
+		    else
+		      weaksym = 0;
+
 		    name = xmalloc (strlen ("__imp_") + strlen (sn) + 1);
 		    sprintf (name, "%s%s", "__imp_", sn);
 
@@ -745,7 +764,9 @@
 		    free (name);
 
 		    if (blhe && blhe->type == bfd_link_hash_defined)
-		      continue;
+		      if (strncmp (blhe->u.def.section->name, ".got$", 5))
+		        if (strncmp (blhe->u.def.section->name, ".dsosyms$", 9))
+			  continue;
 		  }
 
 		  if (pe_details->underscored && *sn == '_')
@@ -756,12 +777,30 @@
 		      int is_dup = 0;
 		      def_file_export *p;
 
-		      p = def_file_add_export (pe_def_file, sn, 0, -1,
-					       NULL, &is_dup);
-		      /* Fill data flag properly, from dlltool.c.  */
-		      if (!is_dup)
-		        p->flag_data = !(symbols[j]->flags & BSF_FUNCTION);
-		    }
+                      if (weaksym) {
+                        blhew = bfd_link_hash_lookup (info->hash, weaksym,
+                                                      FALSE, FALSE, FALSE);
+                      }
+
+                      if (!weaksym || blhew) {
+                        p = def_file_add_export (pe_def_file, sn, 0, -1,
+                                                 NULL, &is_dup);
+
+                        /* Fill data flag properly, from dlltool.c.  */
+                        if (!is_dup)
+                          p->flag_data = !(symbols[j]->flags & BSF_FUNCTION);
+
+                        if (weaksym) {
+                          if (blhew->type != bfd_link_hash_defined) {
+                            free (p->internal_name);
+                            p->internal_name = objsym;
+                          }
+                        }
+
+                        if (weaksym)
+                          free (weaksym);
+                      }
+                    }
 		}
 	    }
 	}
@@ -910,6 +949,7 @@
 
       if (blhe
 	  && (blhe->type == bfd_link_hash_defined
+	      || (blhe->type == bfd_link_hash_defweak)
 	      || (blhe->type == bfd_link_hash_common)))
 	{
 	  count_exported++;
@@ -919,7 +959,7 @@
 	  /* Only fill in the sections. The actual offsets are computed
 	     in fill_exported_offsets() after common symbols are laid
 	     out.  */
-	  if (blhe->type == bfd_link_hash_defined)
+	  if ((blhe->type == bfd_link_hash_defined) || (blhe->type == bfd_link_hash_defweak))
 	    exported_symbol_sections[i] = blhe->u.def.section;
 	  else
 	    exported_symbol_sections[i] = blhe->u.c.p->section;
@@ -2688,6 +2728,160 @@
 }
 
 
+
+
+void
+pe_dll_generate_dsolib(
+	def_file *    def,
+	const char ** expsyms,
+	const char *  dsolib_file_name,
+	const char *  loader_path,
+	unsigned char bits)
+{
+	char * mdso_exe_path;
+	char * slash;
+	char * mark;
+	FILE * fout;
+	char * argv[10];
+	int    fd[2];
+	int    pid;
+	int    rpid;
+	int    ecode;
+	int    i;
+
+	/* sigh; even though pe_dll_generate_implib() might fail,   */
+	/* ld's _finish() code path assumes no errors could occur   */
+	/* and accordingly does not perform any checks upon return. */
+	/* handle errors here and invoke xexit() as needed.         */
+
+	/* bits */
+	if ((bits != 32) && (bits != 64)) {
+		fprintf(stderr,"%s: internal error (bits == %d.\n",program_name,bits);
+		xexit(EXIT_FAILURE);
+	}
+
+	/* mdso_exe_path buffer alloc */
+	if (!(mdso_exe_path = calloc(1,strlen(program_name) + strlen("mdso") + 1))) {
+		fprintf(stderr,"%s: cannot allocate mdso_exe_path buffer.\n",program_name);
+		xexit(EXIT_FAILURE);
+	}
+
+	/* mdso_exe_path init */
+	strcpy(mdso_exe_path,program_name);
+
+	if ((slash = strrchr(mdso_exe_path,'/')))
+		slash++;
+	else
+		slash = mdso_exe_path;
+
+	if ((mark = strrchr(slash,'-')))
+		mark++;
+	else
+		mark = slash;
+
+	sprintf(mark,"%s","mdso");
+
+	/* pipe */
+	if (pipe(fd)) {
+		fprintf(stderr,"%s: cannot create a pipe.\n",program_name);
+		xexit(EXIT_FAILURE);
+	}
+
+	/* fout init */
+	if (!(fout = fdopen(fd[1],"a"))) {
+		fprintf(stderr,"%s: pipe fdopen failed.\n",program_name);
+		xexit(EXIT_FAILURE);
+	}
+
+	/* fork */
+	if ((pid = fork()) < 0) {
+		fprintf(stderr,"%s: fork failed.\n",program_name);
+		xexit(EXIT_FAILURE);
+	}
+
+	/* child: execvp */
+	if (pid == 0) {
+		argv[0] = mdso_exe_path;
+		argv[1] = (bits == 64) ? "-m64" : "-m32";
+		argv[2] = "--implib";
+		argv[3] = (char *)dsolib_file_name;
+		argv[4] = "--libname";
+		argv[5] = (def->name) ? def->name : (char *)dll_name;
+
+		if (loader_path) {
+			argv[6] = "--libpath";
+			argv[7] = (char *)loader_path;
+			argv[8] = "-";
+			argv[9] = 0;
+		} else {
+			argv[6] = "-";
+			argv[7] = 0;
+		}
+
+		fclose(fout);
+		close(fd[1]);
+		close(0);
+
+		if (dup(fd[0]) == 0)
+			execvp(mdso_exe_path,argv);
+
+		exit(EXIT_FAILURE);
+	}
+
+	/* be good */
+	free(mdso_exe_path);
+
+	/* parent: expsyms --> pipe */
+	if (expsyms) {
+		for (; *expsyms; ) {
+			if (fprintf(fout,"%s\n",*expsyms++) < 0) {
+				fprintf(stderr,"%s: pipe write operation failed.\n",program_name);
+				xexit(EXIT_FAILURE);
+			}
+		}
+	} else {
+		for (i=0; i < def->num_exports; i++) {
+			if (!(pe_def_file->exports[i].flag_private)) {
+				if (fprintf(fout,"%s\n",def->exports[i].name) < 0) {
+					fprintf(stderr,"%s: pipe write operation failed.\n",program_name);
+					xexit(EXIT_FAILURE);
+				}
+			}
+		}
+	}
+
+	if (fflush(fout) < 0) {
+		fprintf(stderr,"%s: pipe fflush operation failed.\n",program_name);
+		xexit(EXIT_FAILURE);
+	}
+
+	fclose(fout);
+	close(fd[0]);
+
+	/* obtain child exit status */
+	if ((rpid = waitpid(pid,&ecode,0)) < 0) {
+		fprintf(stderr,"%s: waitpid operation failed.\n",program_name);
+		xexit(EXIT_FAILURE);
+	}
+
+	if (rpid != pid) {
+		fprintf(stderr,"%s: waitpid returned an unexpected pid.\n",program_name);
+		xexit(EXIT_FAILURE);
+	}
+
+	if (!(WIFEXITED(ecode))) {
+		fprintf(stderr,"%s: waitpid reported abnormal child process termination.\n",program_name);
+		xexit(EXIT_FAILURE);
+	}
+
+	if (WEXITSTATUS(ecode)) {
+		fprintf(stderr,"%s: the child process returned an error.\n",program_name);
+		xexit(EXIT_FAILURE);
+	}
+}
+
+
+
 void
 pe_dll_generate_implib (def_file *def, const char *impfilename, struct bfd_link_info *info)
 {
diff -ru a/ld/pe-dll.h b/ld/pe-dll.h
--- a/ld/pe-dll.h	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/pe-dll.h	2017-10-14 20:01:45.817295022 -0400
@@ -49,6 +49,8 @@
   (const char *);
 extern void pe_dll_generate_implib
   (def_file *, const char *, struct bfd_link_info *);
+extern void pe_dll_generate_dsolib
+  (def_file *, const char **, const char *, const char *, unsigned char);
 extern void pe_process_import_defs
   (bfd *, struct bfd_link_info *);
 extern bfd_boolean pe_implied_import_dll
diff -ru a/ld/pep-dll.c b/ld/pep-dll.c
--- a/ld/pep-dll.c	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/pep-dll.c	2017-10-14 10:14:35.490521636 -0400
@@ -54,6 +54,7 @@
 #define pe_dll_fill_sections        pep_dll_fill_sections
 #define pe_exe_fill_sections        pep_exe_fill_sections
 #define pe_dll_generate_implib      pep_dll_generate_implib
+#define pe_dll_generate_dsolib      pep_dll_generate_dsolib
 #define pe_dll_add_excludes         pep_dll_add_excludes
 #define pe_walk_relocs_of_symbol    pep_walk_relocs_of_symbol
 #define pe_bfd_is_dll		    pep_bfd_is_dll
diff -ru a/ld/pep-dll.h b/ld/pep-dll.h
--- a/ld/pep-dll.h	2014-07-03 01:37:48.000000000 -0400
+++ b/ld/pep-dll.h	2017-10-14 19:17:26.885792850 -0400
@@ -46,6 +46,7 @@
 extern void pep_dll_add_excludes  (const char *, const exclude_type);
 extern void pep_dll_generate_def_file  (const char *);
 extern void pep_dll_generate_implib  (def_file *, const char *, struct bfd_link_info *);
+extern void pep_dll_generate_dsolib  (def_file *, const char **, const char *, const char *, unsigned char);
 extern void pep_process_import_defs  (bfd *, struct bfd_link_info *);
 extern bfd_boolean pep_implied_import_dll  (const char *);
 extern void pep_dll_build_sections  (bfd *, struct bfd_link_info *);
diff -ru --new-file a/bfd/config.bfd b/bfd/config.bfd
--- a/bfd/config.bfd	2014-07-03 01:37:20.000000000 -0400
+++ b/bfd/config.bfd	2015-02-14 11:27:08.199179775 -0500
@@ -679,7 +679,7 @@
     targ_archs="$targ_archs bfd_arm_arch"
     want64=true
     ;;
-  x86_64-*-mingw* | x86_64-*-pe | x86_64-*-pep | x86_64-*-cygwin)
+  x86_64-*-mingw* | x86_64-*-pe | x86_64-*-pep | x86_64-*-cygwin | x86_64-*-midipix*)
     targ_defvec=x86_64_pe_vec
     targ_selvecs="x86_64_pe_vec x86_64_pei_vec x86_64_pe_be_vec x86_64_elf64_vec l1om_elf64_vec k1om_elf64_vec i386_pe_vec i386_pei_vec i386_elf32_vec"
     want64=true
@@ -731,7 +731,7 @@
     targ_defvec=i386_elf32_vec
     targ_selvecs=i386_coff_vec
     ;;
-  i[3-7]86-*-mingw32* | i[3-7]86-*-cygwin* | i[3-7]86-*-winnt | i[3-7]86-*-pe)
+  i[3-7]86-*-mingw32* | i[3-7]86-*-cygwin* | i[3-7]86-*-winnt | i[3-7]86-*-pe | i[3-7]86-*-midipix*)
     targ_defvec=i386_pe_vec
     targ_selvecs="i386_pe_vec i386_pei_vec i386_elf32_vec"
     targ_underscore=yes
diff -ru --new-file a/binutils/configure b/binutils/configure
--- a/binutils/configure	2014-07-03 01:37:22.000000000 -0400
+++ b/binutils/configure	2015-09-13 21:35:09.738957435 -0400
@@ -14015,7 +14015,7 @@
 	  BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 	  BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 	  ;;
-	x86_64-*-mingw* | x86_64-*-cygwin*)
+	x86_64-*-mingw* | x86_64-*-midipix* | x86_64-*-cygwin*)
   	  BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 	  if test -z "$DLLTOOL_DEFAULT"; then
 	    DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_MX86_64"
@@ -14025,7 +14025,7 @@
 	  BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
 	  BUILD_DLLWRAP='$(DLLWRAP_PROG)$(EXEEXT)'
 	  ;;
-	i[3-7]86-*-pe* | i[3-7]86-*-cygwin* | i[3-7]86-*-mingw32** | i[3-7]86-*-netbsdpe*)
+	i[3-7]86-*-pe* | i[3-7]86-*-cygwin* | i[3-7]86-*-midipix* | i[3-7]86-*-mingw32** | i[3-7]86-*-netbsdpe*)
   	  BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 	  if test -z "$DLLTOOL_DEFAULT"; then
 	    DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_I386"
diff -ru --new-file a/configure b/configure
--- a/configure	2014-07-03 01:37:23.000000000 -0400
+++ b/configure	2015-03-11 17:07:15.820422926 -0400
@@ -3428,6 +3428,9 @@
   x86_64-*-mingw*)
     noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
+  *-midipix*)
+    noconfigdirs="$noconfigdirs ${libgcj}"
+    ;;
   mmix-*-*)
     noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
     ;;
@@ -3549,6 +3552,9 @@
   *-*-mingw*)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
+  *-*-midipix*)
+    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    ;;
   *-*-netbsd*)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
@@ -6257,7 +6263,7 @@
 
 target_elf=no
 case $target in
-  *-darwin* | *-aix* | *-cygwin* | *-mingw* | *-aout* | *-*coff* | \
+  *-darwin* | *-aix* | *-cygwin* | *-mingw* | *-midipix* | *-aout* | *-*coff* | \
   *-msdosdjgpp* | *-vms* | *-wince* | *-*-pe* | \
   alpha*-dec-osf* | *-interix* | hppa[12]*-*-hpux*)
     target_elf=no
diff -ru --new-file a/gas/configure.tgt b/gas/configure.tgt
--- a/gas/configure.tgt	2014-07-03 01:37:25.000000000 -0400
+++ b/gas/configure.tgt	2015-02-14 11:27:08.223179776 -0500
@@ -262,7 +262,7 @@
      i*)				fmt=coff em=pe ;;
    esac ;;
   i386-*-interix*)			fmt=coff em=interix ;;
-  i386-*-mingw*)
+  i386-*-mingw* | i386-*-midipix*)
     case ${cpu} in
       x86_64*)				fmt=coff em=pep ;;
       i*)				fmt=coff em=pe ;;
diff -ru a/bfd/cofflink.c b/bfd/cofflink.c
--- a/bfd/cofflink.c	2014-07-03 01:37:20.000000000 -0400
+++ b/bfd/cofflink.c	2015-06-13 20:22:46.000389638 -0400
@@ -202,6 +202,7 @@
   bfd_size_type symesz;
   bfd_byte *esym;
   bfd_byte *esym_end;
+  char *weaksym;
 
   *pneeded = FALSE;
 
@@ -236,6 +237,16 @@
 	      && CONST_STRNEQ (name, "__imp_"))
 	    h = bfd_link_hash_lookup (info->hash, name + 6, FALSE, FALSE, TRUE);
 
+	  if (!h && !strncmp (name, ".weak.", 6) && strchr (name + 6, '.'))
+	    {
+	      weaksym = strdup (name + 6);
+	      *(strchr (weaksym, '.')) = '\0';
+	      h = bfd_link_hash_lookup (info->hash, weaksym, FALSE, FALSE, TRUE);
+	      name = weaksym;
+	    }
+	  else
+	    weaksym = 0;
+
 	  /* We are only interested in symbols that are currently
 	     undefined.  If a symbol is currently known to be common,
 	     COFF linkers do not bring in an object file which defines
@@ -249,6 +260,9 @@
 	      *pneeded = TRUE;
 	      return TRUE;
 	    }
+
+	  if (weaksym)
+	    free (weaksym);
 	}
 
       esym += (sym.n_numaux + 1) * symesz;
@@ -320,6 +334,7 @@
   bfd_byte *esym;
   bfd_byte *esym_end;
   bfd_size_type amt;
+  char *weaksym;
 
   symcount = obj_raw_syment_count (abfd);
 
@@ -476,6 +491,20 @@
 		addit = FALSE;
 	    }
 
+	  if (!strncmp (name, ".weak.", 6) && strchr (name + 6, '.'))
+	    {
+	      if (! (bfd_coff_link_add_one_symbol
+		     (info, abfd, name, flags, section, value,
+		      (const char *) NULL, copy, FALSE,
+		      (struct bfd_link_hash_entry **) sym_hash)))
+		goto error_return;
+
+	      weaksym = strdup (name + 6);
+	      *(strchr(weaksym, '.')) = 0;
+	      name = weaksym;
+	      flags |= BSF_WEAK;
+	    }
+
 	  if (addit)
 	    {
 	      if (! (bfd_coff_link_add_one_symbol
diff -ru a/bfd/linker.c b/bfd/linker.c
--- a/bfd/linker.c	2014-07-03 01:37:21.000000000 -0400
+++ b/bfd/linker.c	2015-06-06 17:51:24.148275212 -0400
@@ -1050,6 +1050,7 @@
   struct archive_hash_table arsym_hash;
   unsigned int indx;
   struct bfd_link_hash_entry **pundef;
+  char *weaksym;
 
   if (! bfd_has_map (abfd))
     {
@@ -1073,6 +1074,13 @@
       struct archive_hash_entry *arh;
       struct archive_list *l, **pp;
 
+      if (!strncmp (arsym->name, ".weak.", 6) && strchr (arsym->name + 6, '.'))
+	{
+	  weaksym = strdup (arsym->name + 6);
+	  *(strchr (weaksym, '.')) = '\0';
+	  arsym->name = weaksym;
+	}
+
       arh = archive_hash_lookup (&arsym_hash, arsym->name, TRUE, FALSE);
       if (arh == NULL)
 	goto error_return;
diff -ru a/gas/config/tc-i386.c b/gas/config/tc-i386.c
--- a/gas/config/tc-i386.c	2014-07-03 01:37:25.000000000 -0400
+++ b/gas/config/tc-i386.c	2015-06-12 22:40:37.100250091 -0400
@@ -9148,25 +9148,6 @@
 	value += md_pcrel_from (fixP);
 #endif
     }
-#if defined (OBJ_COFF) && defined (TE_PE)
-  if (fixP->fx_addsy != NULL
-      && S_IS_WEAK (fixP->fx_addsy)
-      /* PR 16858: Do not modify weak function references.  */
-      && ! fixP->fx_pcrel)
-    {
-#if !defined (TE_PEP)
-      /* For x86 PE weak function symbols are neither PC-relative
-	 nor do they set S_IS_FUNCTION.  So the only reliable way
-	 to detect them is to check the flags of their containing
-	 section.  */
-      if (S_GET_SEGMENT (fixP->fx_addsy) != NULL
-	  && S_GET_SEGMENT (fixP->fx_addsy)->flags & SEC_CODE)
-	;
-      else
-#endif
-      value -= S_GET_VALUE (fixP->fx_addsy);
-    }
-#endif
 
   /* Fix a few things - the dynamic linker expects certain values here,
      and we must not disappoint it.  */
@@ -9237,8 +9218,11 @@
       fixP->fx_done = 0;
       /* Remember value for tc_gen_reloc.  */
       fixP->fx_addnumber = value;
-      /* Clear out the frag for now.  */
-      value = 0;
+      /* for data symbols, cancel the effect of the relocation */
+      if (!((S_GET_SEGMENT (fixP->fx_addsy)->flags) & SEC_CODE))
+        value = -S_GET_VALUE (fixP->fx_addsy);
+      else
+        value = 0;
     }
 #endif
   else if (use_rela_relocations)

--- a/binutils/rename.c	2014-07-03 01:37:22.000000000 -0400
+++ b/binutils/rename.c	2015-11-25 23:13:38.086948592 -0500
@@ -167,7 +167,10 @@
 	  && s.st_nlink == 1)
       )
     {
-      ret = rename (from, to);
+      if ((ret = rename (from, to)))
+	if (!(ret = simple_copy (from, to)))
+	  unlink (from);
+
       if (ret == 0)
 	{
 	  if (exists)