restore (null) printing

.gitignore

@@ -1,7 +1,7 @@
 config.sh
 .devkitARM*
 .devkitPPC*
-.devkitPSP*
+.devkitA64*
 *.gz
 *.bz2
 *~

README.TXT

@@ -1,7 +1,7 @@
 devkitPro build scripts
 --------------------------
 
-This readme will guide you through building devkitARM, devkitPPC or devkitPSP
+This readme will guide you through building devkitARM, devkitPPC or devkitA64
 from source using a set of scripts.
 
 The windows versions of the toolchains are now cross compiled on linux using
@@ -41,6 +41,13 @@ Building gxtexconv for cube/wii needs GL/gl.h which can be obtained with
 
 sudo apt-get install mesa-common-dev
 
+Tools for devkitA64 require liblz4.
+
+http://lz4.github.io/lz4/
+
+sudo apt-get install liblz4-dev 
+
+
 For building the OSX versions we install the Xcode commandline tools and build
 pkg-config from source as well as static versions of the libraries listed above.
 This helps keep the dependencies to a minimum so end users can use the tools

build-devkit.sh

@@ -2,9 +2,10 @@
 #---------------------------------------------------------------------------------
 #	devkitARM release 47
 #	devkitPPC release 29-1
+#	devkitA64 alpha 7
 #---------------------------------------------------------------------------------
 
-if [ 1 -eq 1 ] ; then
+if [ 0 -eq 1 ] ; then
 	echo "Currently in release cycle, proceed with caution, do not report problems, do not ask for support."
 	echo "Please use the latest release buildscripts unless advised otherwise by devkitPro staff."
 	echo "http://sourceforge.net/projects/devkitpro/files/buildscripts/"
@@ -23,7 +24,7 @@ echo "https://sourceforge.net/tracker/?group_id=114505&atid=668553"
 echo
 
 
-GENERAL_TOOLS_VER=1.0.0
+GENERAL_TOOLS_VER=1.0.1
 
 LIBGBA_VER=0.5.0
 GBATOOLS_VER=1.0.0
@@ -56,6 +57,9 @@ PICASSO_VER=2.6.2
 GP32_TOOLS_VER=1.0.3
 LIBMIRKO_VER=0.9.7
 
+SWITCH_TOOLS_VER=1.1.1
+LIBNX_VER=1.0.0
+
 OSXMIN=${OSXMIN:-10.9}
 
 #---------------------------------------------------------------------------------
@@ -196,7 +200,7 @@ fi
 patchdir=$(pwd)/$basedir/patches
 scriptdir=$(pwd)/$basedir/scripts
 
-archives="binutils-${BINUTILS_VER}.tar.bz2 gcc-${GCC_VER}.tar.bz2 newlib-${NEWLIB_VER}.tar.gz gdb-${GDB_VER}.tar.bz2"
+archives="binutils-${BINUTILS_VER}.tar.bz2 gcc-${GCC_VER}.tar.bz2 newlib-${NEWLIB_VER}.tar.gz gdb-${GDB_VER}.tar.xz"
 
 if [ $VERSION -eq 1 ]; then
 
@@ -221,6 +225,12 @@ if [ $VERSION -eq 2 ]; then
 	archives="binutils-${MN_BINUTILS_VER}.tar.bz2 $archives"
 fi
 
+if [ $VERSION -eq 3 ]; then
+
+	hostarchives="general-tools-$GENERAL_TOOLS_VER.tar.bz2 switch-tools-$SWITCH_TOOLS_VER.tar.bz2"
+
+fi
+
 
 if [ ! -z "$BUILD_DKPRO_SRCDIR" ] ; then
 	SRCDIR="$BUILD_DKPRO_SRCDIR"
@@ -244,7 +254,7 @@ cd $BUILDDIR
 extract_and_patch binutils $BINUTILS_VER bz2
 extract_and_patch gcc $GCC_VER bz2
 extract_and_patch newlib $NEWLIB_VER gz
-extract_and_patch gdb $GDB_VER bz2
+extract_and_patch gdb $GDB_VER xz
 
 if [ $VERSION -eq 2 ]; then
 	extract_and_patch binutils $MN_BINUTILS_VER bz2

config.sh.sample

@@ -9,7 +9,7 @@
 #   0: User selects manually
 #   1: devkitARM
 #   2: devkitPPC
-#   3: devkitPSP
+#   3: devkitA64
 #---------------------------------------------------------------------------------
 BUILD_DKPRO_PACKAGE=0
 

dka64/patches/binutils-2.29.1.patch

@@ -0,0 +1,342 @@
+diff -Nbaur binutils-2.29.1-orig/bfd/elfnn-aarch64.c binutils-2.29.1-dka64/bfd/elfnn-aarch64.c
+--- binutils-2.29.1-orig/bfd/elfnn-aarch64.c	2017-09-05 14:12:46.000000000 +0100
++++ binutils-2.29.1-dka64/bfd/elfnn-aarch64.c	2017-10-22 06:58:57.711591457 +0100
+@@ -2097,6 +2097,12 @@
+   aarch64_stub_erratum_843419_veneer,
+ };
+ 
++/* Is an undefined weak symbol resolved to 0 ? */
++#define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH)               \
++  ((EH)->root.root.type == bfd_link_hash_undefweak              \
++   && bfd_link_executable (INFO)                                \
++   && !(INFO)->dynamic_undefined_weak)
++
+ struct elf_aarch64_stub_hash_entry
+ {
+   /* Base hash table entry structure.  */
+@@ -6081,11 +6087,13 @@
+       Elf_Internal_Sym *sym;
+       asection *sec;
+       struct elf_link_hash_entry *h;
++      struct elf_aarch64_link_hash_entry *eh;
+       bfd_vma relocation;
+       bfd_reloc_status_type r;
+       arelent bfd_reloc;
+       char sym_type;
+       bfd_boolean unresolved_reloc = FALSE;
++      bfd_boolean resolved_to_zero = FALSE;
+       char *error_message = NULL;
+ 
+       r_symndx = ELFNN_R_SYM (rel->r_info);
+@@ -6225,6 +6233,10 @@
+ 					       h, &unresolved_reloc,
+ 					       save_addend, &addend, sym);
+ 
++      eh = (struct elf_aarch64_link_hash_entry *) h;
++      resolved_to_zero = (eh != NULL
++                          && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
++      
+       switch (elfNN_aarch64_bfd_reloc_from_type (r_type))
+ 	{
+ 	case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
+@@ -6248,7 +6260,7 @@
+ 	      need_relocs =
+ 		(bfd_link_pic (info) || indx != 0) &&
+ 		(h == NULL
+-		 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
++		 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
+ 		 || h->root.type != bfd_link_hash_undefweak);
+ 
+ 	      BFD_ASSERT (globals->root.srelgot != NULL);
+@@ -6343,7 +6355,7 @@
+ 	      need_relocs =
+ 		(bfd_link_pic (info) || indx != 0) &&
+ 		(h == NULL
+-		 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
++		 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
+ 		 || h->root.type != bfd_link_hash_undefweak);
+ 
+ 	      BFD_ASSERT (globals->root.srelgot != NULL);
+@@ -6392,7 +6404,7 @@
+ 	      bfd_vma off = symbol_tlsdesc_got_offset (input_bfd, h, r_symndx);
+ 
+ 	      need_relocs = (h == NULL
+-			     || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
++			     || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
+ 			     || h->root.type != bfd_link_hash_undefweak);
+ 
+ 	      BFD_ASSERT (globals->root.srelgot != NULL);
+@@ -6891,6 +6903,26 @@
+   return FALSE;
+ }
+ 
++/* Remove undefined weak symbol from the dynamic symbol table if it
++   is resolved to 0.   */
++
++extern bfd_boolean
++elfNN_aarch64_elf_fixup_symbol (struct bfd_link_info *, struct elf_link_hash_entry *);
++
++bfd_boolean
++elfNN_aarch64_elf_fixup_symbol (struct bfd_link_info *info,
++                             struct elf_link_hash_entry *h)
++{
++  if (h->dynindx != -1
++      && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, elf_aarch64_hash_entry (h)))
++    {
++      h->dynindx = -1;
++      _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
++                              h->dynstr_index);
++    }
++  return TRUE;
++}
++
+ /* Adjust a symbol defined by a dynamic object and referenced by a
+    regular object.  The current definition is in some section of the
+    dynamic object, but we're not including those sections.  We have to
+@@ -8068,6 +8100,7 @@
+   struct elf_aarch64_link_hash_table *htab;
+   struct elf_aarch64_link_hash_entry *eh;
+   struct elf_dyn_relocs *p;
++  bfd_boolean resolved_to_zero;
+ 
+   /* An example of a bfd_link_hash_indirect symbol is versioned
+      symbol. For example: __gxx_personality_v0(bfd_link_hash_indirect)
+@@ -8087,6 +8120,10 @@
+   info = (struct bfd_link_info *) inf;
+   htab = elf_aarch64_hash_table (info);
+ 
++  eh = (struct elf_aarch64_link_hash_entry *) h;
++  eh->tlsdesc_got_jump_table_offset = (bfd_vma) - 1;
++  resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
++
+   /* Since STT_GNU_IFUNC symbol must go through PLT, we handle it
+      here if it is defined and referenced in a non-shared object.  */
+   if (h->type == STT_GNU_IFUNC
+@@ -8096,7 +8133,7 @@
+     {
+       /* Make sure this symbol is output as a dynamic symbol.
+          Undefined weak syms won't yet be marked as dynamic.  */
+-      if (h->dynindx == -1 && !h->forced_local
++      if (h->dynindx == -1 && !h->forced_local && !resolved_to_zero
+ 	  && h->root.type == bfd_link_hash_undefweak)
+ 	{
+ 	  if (!bfd_elf_link_record_dynamic_symbol (info, h))
+@@ -8130,6 +8167,11 @@
+ 	     of relaxing into these from the large model PLT entries.  */
+ 	  s->size += PLT_SMALL_ENTRY_SIZE;
+ 
++          /* There should be no PLT relocations against resolved undefined
++             weak symbols in the executable.  */
++          if (!resolved_to_zero)
++            {
++
+ 	  /* We also need to make an entry in the .got.plt section, which
+ 	     will be placed in the .got section by the linker script.  */
+ 	  htab->root.sgotplt->size += GOT_ENTRY_SIZE;
+@@ -8152,6 +8194,7 @@
+ 
+ 	  htab->root.srelplt->reloc_count++;
+ 	}
++	}
+       else
+ 	{
+ 	  h->plt.offset = (bfd_vma) - 1;
+@@ -8164,9 +8207,6 @@
+       h->needs_plt = 0;
+     }
+ 
+-  eh = (struct elf_aarch64_link_hash_entry *) h;
+-  eh->tlsdesc_got_jump_table_offset = (bfd_vma) - 1;
+-
+   if (h->got.refcount > 0)
+     {
+       bfd_boolean dyn;
+@@ -8178,7 +8218,7 @@
+ 
+       /* Make sure this symbol is output as a dynamic symbol.
+          Undefined weak syms won't yet be marked as dynamic.  */
+-      if (dyn && h->dynindx == -1 && !h->forced_local
++      if (dyn && h->dynindx == -1 && !h->forced_local && !resolved_to_zero
+ 	  && h->root.type == bfd_link_hash_undefweak)
+ 	{
+ 	  if (!bfd_elf_link_record_dynamic_symbol (info, h))
+@@ -8192,7 +8232,7 @@
+ 	{
+ 	  h->got.offset = htab->root.sgot->size;
+ 	  htab->root.sgot->size += GOT_ENTRY_SIZE;
+-	  if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
++	  if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
+ 	       || h->root.type != bfd_link_hash_undefweak)
+ 	      && (bfd_link_pic (info)
+ 		  || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
+@@ -8225,7 +8265,7 @@
+ 	    }
+ 
+ 	  indx = h && h->dynindx != -1 ? h->dynindx : 0;
+-	  if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
++	  if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
+ 	       || h->root.type != bfd_link_hash_undefweak)
+ 	      && (bfd_link_pic (info)
+ 		  || indx != 0
+@@ -8291,7 +8331,7 @@
+          visibility.  */
+       if (eh->dyn_relocs != NULL && h->root.type == bfd_link_hash_undefweak)
+ 	{
+-	  if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
++	  if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT || resolved_to_zero)
+ 	    eh->dyn_relocs = NULL;
+ 
+ 	  /* Make sure undefined weak symbols are output as a dynamic
+@@ -8310,7 +8350,9 @@
+          symbols which turn out to need copy relocs or are not
+          dynamic.  */
+ 
+-      if (!h->non_got_ref
++      if (!(h->non_got_ref
++           || (h->root.type == bfd_link_hash_undefweak
++               && !resolved_to_zero))
+ 	  && ((h->def_dynamic
+ 	       && !h->def_regular)
+ 	      || (htab->root.dynamic_sections_created
+@@ -8321,6 +8363,7 @@
+ 	     Undefined weak syms won't yet be marked as dynamic.  */
+ 	  if (h->dynindx == -1
+ 	      && !h->forced_local
++	      && !resolved_to_zero
+ 	      && h->root.type == bfd_link_hash_undefweak
+ 	      && !bfd_elf_link_record_dynamic_symbol (info, h))
+ 	    return FALSE;
+@@ -8940,8 +8983,17 @@
+ 				     Elf_Internal_Sym *sym)
+ {
+   struct elf_aarch64_link_hash_table *htab;
++  struct elf_aarch64_link_hash_entry *eh;
++  bfd_boolean local_undefweak;
+   htab = elf_aarch64_hash_table (info);
+ 
++  eh = (struct elf_aarch64_link_hash_entry *) h;
++
++  /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
++     resolved undefined weak symbols in executable so that their
++     references have value 0 at run-time.  */
++  local_undefweak = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
++
+   if (h->plt.offset != (bfd_vma) - 1)
+     {
+       asection *plt, *gotplt, *relplt;
+@@ -8976,7 +9028,7 @@
+ 	return FALSE;
+ 
+       elfNN_aarch64_create_small_pltn_entry (h, htab, output_bfd, info);
+-      if (!h->def_regular)
++      if (!local_undefweak && !h->def_regular)
+ 	{
+ 	  /* Mark the symbol as undefined, rather than as defined in
+ 	     the .plt section.  */
+@@ -8995,7 +9047,8 @@
+     }
+ 
+   if (h->got.offset != (bfd_vma) - 1
+-      && elf_aarch64_hash_entry (h)->got_type == GOT_NORMAL)
++      && elf_aarch64_hash_entry (h)->got_type == GOT_NORMAL
++      && !local_undefweak)
+     {
+       Elf_Internal_Rela rela;
+       bfd_byte *loc;
+@@ -9489,6 +9542,9 @@
+ #define elf_backend_init_index_section		\
+   _bfd_elf_init_2_index_sections
+ 
++#define elf_backend_fixup_symbol		\
++  elfNN_aarch64_elf_fixup_symbol
++
+ #define elf_backend_finish_dynamic_sections	\
+   elfNN_aarch64_finish_dynamic_sections
+ 
+diff -Nbaur binutils-2.29.1-orig/ld/emulparams/aarch64elf32.sh binutils-2.29.1-dka64/ld/emulparams/aarch64elf32.sh
+--- binutils-2.29.1-orig/ld/emulparams/aarch64elf32.sh	2017-07-10 10:54:42.000000000 +0100
++++ binutils-2.29.1-dka64/ld/emulparams/aarch64elf32.sh	2017-10-22 06:58:57.719591510 +0100
+@@ -1,3 +1,5 @@
++. ${srcdir}/emulparams/dynamic_undefined_weak.sh
++
+ ARCH="aarch64:ilp32"
+ MACHINE=
+ NOP=0
+diff -Nbaur binutils-2.29.1-orig/ld/emulparams/aarch64elf.sh binutils-2.29.1-dka64/ld/emulparams/aarch64elf.sh
+--- binutils-2.29.1-orig/ld/emulparams/aarch64elf.sh	2017-07-10 10:54:42.000000000 +0100
++++ binutils-2.29.1-dka64/ld/emulparams/aarch64elf.sh	2017-10-22 06:58:57.719591510 +0100
+@@ -1,3 +1,5 @@
++. ${srcdir}/emulparams/dynamic_undefined_weak.sh
++
+ ARCH=aarch64
+ MACHINE=
+ NOP=0
+diff -Nbaur binutils-2.29.1-orig/ld/emultempl/aarch64elf.em binutils-2.29.1-dka64/ld/emultempl/aarch64elf.em
+--- binutils-2.29.1-orig/ld/emultempl/aarch64elf.em	2017-07-10 10:54:42.000000000 +0100
++++ binutils-2.29.1-dka64/ld/emultempl/aarch64elf.em	2017-10-22 06:58:57.719591510 +0100
+@@ -375,7 +375,7 @@
+   { "no-apply-dynamic-relocs", no_argument, NULL, OPTION_NO_APPLY_DYNAMIC_RELOCS},
+ '
+ 
+-PARSE_AND_LIST_OPTIONS='
++PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'
+   fprintf (file, _("  --no-enum-size-warning      Don'\''t warn about objects with incompatible\n"
+ 		   "                                enum sizes\n"));
+   fprintf (file, _("  --no-wchar-size-warning     Don'\''t warn about objects with incompatible"
+diff -Nbaur binutils-2.29.1-orig/ld/Makefile.am binutils-2.29.1-dka64/ld/Makefile.am
+--- binutils-2.29.1-orig/ld/Makefile.am	2017-07-10 10:54:42.000000000 +0100
++++ binutils-2.29.1-dka64/ld/Makefile.am	2017-10-22 06:58:57.719591510 +0100
+@@ -1654,19 +1654,23 @@
+   $(srcdir)/scripttempl/aout.sc ${GEN_DEPENDS}
+ 
+ eaarch64elf.c: $(srcdir)/emulparams/aarch64elf.sh \
+-  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
++  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em ldemul-list.h \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elf32.c: $(srcdir)/emulparams/aarch64elf32.sh \
+-  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
++  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em ldemul-list.h \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elfb.c: $(srcdir)/emulparams/aarch64elfb.sh $(srcdir)/emulparams/aarch64elf.sh \
+-  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
++  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em ldemul-list.h \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elf32b.c: $(srcdir)/emulparams/aarch64elf32b.sh $(srcdir)/emulparams/aarch64elf32.sh \
+-  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
++  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em ldemul-list.h \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64cloudabi.c: $(srcdir)/emulparams/aarch64cloudabi.sh \
+diff -Nbaur binutils-2.29.1-orig/ld/Makefile.in binutils-2.29.1-dka64/ld/Makefile.in
+--- binutils-2.29.1-orig/ld/Makefile.in	2017-09-15 12:38:08.000000000 +0100
++++ binutils-2.29.1-dka64/ld/Makefile.in	2017-10-22 06:58:57.719591510 +0100
+@@ -3219,18 +3219,22 @@
+ 
+ eaarch64elf.c: $(srcdir)/emulparams/aarch64elf.sh \
+   $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elf32.c: $(srcdir)/emulparams/aarch64elf32.sh \
+   $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elfb.c: $(srcdir)/emulparams/aarch64elfb.sh $(srcdir)/emulparams/aarch64elf.sh \
+   $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elf32b.c: $(srcdir)/emulparams/aarch64elf32b.sh $(srcdir)/emulparams/aarch64elf32.sh \
+   $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64cloudabi.c: $(srcdir)/emulparams/aarch64cloudabi.sh \

dka64/patches/binutils-2.30.patch

@@ -0,0 +1,346 @@
+diff -NBaur binutils-2.30/bfd/elfnn-aarch64.c binutils-2.30-dka64/bfd/elfnn-aarch64.c
+--- binutils-2.30/bfd/elfnn-aarch64.c	2018-01-17 11:29:21.000000000 +0000
++++ binutils-2.30-dka64/bfd/elfnn-aarch64.c	2018-02-11 19:54:08.141257544 +0000
+@@ -2097,6 +2097,12 @@
+   aarch64_stub_erratum_843419_veneer,
+ };
+ 
++/* Is an undefined weak symbol resolved to 0 ? */
++#define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH)               \
++  ((EH)->root.root.type == bfd_link_hash_undefweak              \
++   && bfd_link_executable (INFO)                                \
++   && !(INFO)->dynamic_undefined_weak)
++
+ struct elf_aarch64_stub_hash_entry
+ {
+   /* Base hash table entry structure.  */
+@@ -6088,11 +6094,13 @@
+       Elf_Internal_Sym *sym;
+       asection *sec;
+       struct elf_link_hash_entry *h;
++      struct elf_aarch64_link_hash_entry *eh;
+       bfd_vma relocation;
+       bfd_reloc_status_type r;
+       arelent bfd_reloc;
+       char sym_type;
+       bfd_boolean unresolved_reloc = FALSE;
++      bfd_boolean resolved_to_zero = FALSE;
+       char *error_message = NULL;
+ 
+       r_symndx = ELFNN_R_SYM (rel->r_info);
+@@ -6226,6 +6234,10 @@
+ 					       h, &unresolved_reloc,
+ 					       save_addend, &addend, sym);
+ 
++      eh = (struct elf_aarch64_link_hash_entry *) h;
++      resolved_to_zero = (eh != NULL
++                          && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
++      
+       switch (elfNN_aarch64_bfd_reloc_from_type (r_type))
+ 	{
+ 	case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
+@@ -6249,7 +6261,7 @@
+ 	      need_relocs =
+ 		(!bfd_link_executable (info) || indx != 0) &&
+ 		(h == NULL
+-		 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
++		 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
+ 		 || h->root.type != bfd_link_hash_undefweak);
+ 
+ 	      BFD_ASSERT (globals->root.srelgot != NULL);
+@@ -6344,7 +6356,7 @@
+ 	      need_relocs =
+ 		(!bfd_link_executable (info) || indx != 0) &&
+ 		(h == NULL
+-		 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
++		 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
+ 		 || h->root.type != bfd_link_hash_undefweak);
+ 
+ 	      BFD_ASSERT (globals->root.srelgot != NULL);
+@@ -6393,7 +6405,7 @@
+ 	      bfd_vma off = symbol_tlsdesc_got_offset (input_bfd, h, r_symndx);
+ 
+ 	      need_relocs = (h == NULL
+-			     || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
++			     || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
+ 			     || h->root.type != bfd_link_hash_undefweak);
+ 
+ 	      BFD_ASSERT (globals->root.srelgot != NULL);
+@@ -6735,6 +6747,26 @@
+   return FALSE;
+ }
+ 
++/* Remove undefined weak symbol from the dynamic symbol table if it
++   is resolved to 0.   */
++
++extern bfd_boolean
++elfNN_aarch64_elf_fixup_symbol (struct bfd_link_info *, struct elf_link_hash_entry *);
++
++bfd_boolean
++elfNN_aarch64_elf_fixup_symbol (struct bfd_link_info *info,
++                             struct elf_link_hash_entry *h)
++{
++  if (h->dynindx != -1
++      && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, elf_aarch64_hash_entry (h)))
++    {
++      h->dynindx = -1;
++      _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
++                              h->dynstr_index);
++    }
++  return TRUE;
++}
++
+ /* Adjust a symbol defined by a dynamic object and referenced by a
+    regular object.  The current definition is in some section of the
+    dynamic object, but we're not including those sections.  We have to
+@@ -7928,6 +7960,7 @@
+   struct elf_aarch64_link_hash_table *htab;
+   struct elf_aarch64_link_hash_entry *eh;
+   struct elf_dyn_relocs *p;
++  bfd_boolean resolved_to_zero;
+ 
+   /* An example of a bfd_link_hash_indirect symbol is versioned
+      symbol. For example: __gxx_personality_v0(bfd_link_hash_indirect)
+@@ -7947,6 +7980,10 @@
+   info = (struct bfd_link_info *) inf;
+   htab = elf_aarch64_hash_table (info);
+ 
++  eh = (struct elf_aarch64_link_hash_entry *) h;
++  eh->tlsdesc_got_jump_table_offset = (bfd_vma) - 1;
++  resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
++
+   /* Since STT_GNU_IFUNC symbol must go through PLT, we handle it
+      here if it is defined and referenced in a non-shared object.  */
+   if (h->type == STT_GNU_IFUNC
+@@ -7956,7 +7993,7 @@
+     {
+       /* Make sure this symbol is output as a dynamic symbol.
+ 	 Undefined weak syms won't yet be marked as dynamic.  */
+-      if (h->dynindx == -1 && !h->forced_local
++      if (h->dynindx == -1 && !h->forced_local && !resolved_to_zero
+ 	  && h->root.type == bfd_link_hash_undefweak)
+ 	{
+ 	  if (!bfd_elf_link_record_dynamic_symbol (info, h))
+@@ -7990,6 +8027,11 @@
+ 	     of relaxing into these from the large model PLT entries.  */
+ 	  s->size += PLT_SMALL_ENTRY_SIZE;
+ 
++          /* There should be no PLT relocations against resolved undefined
++             weak symbols in the executable.  */
++          if (!resolved_to_zero)
++            {
++
+ 	  /* We also need to make an entry in the .got.plt section, which
+ 	     will be placed in the .got section by the linker script.  */
+ 	  htab->root.sgotplt->size += GOT_ENTRY_SIZE;
+@@ -8012,6 +8054,7 @@
+ 
+ 	  htab->root.srelplt->reloc_count++;
+ 	}
++	}
+       else
+ 	{
+ 	  h->plt.offset = (bfd_vma) - 1;
+@@ -8024,9 +8067,6 @@
+       h->needs_plt = 0;
+     }
+ 
+-  eh = (struct elf_aarch64_link_hash_entry *) h;
+-  eh->tlsdesc_got_jump_table_offset = (bfd_vma) - 1;
+-
+   if (h->got.refcount > 0)
+     {
+       bfd_boolean dyn;
+@@ -8038,7 +8078,7 @@
+ 
+       /* Make sure this symbol is output as a dynamic symbol.
+ 	 Undefined weak syms won't yet be marked as dynamic.  */
+-      if (dyn && h->dynindx == -1 && !h->forced_local
++      if (dyn && h->dynindx == -1 && !h->forced_local && !resolved_to_zero
+ 	  && h->root.type == bfd_link_hash_undefweak)
+ 	{
+ 	  if (!bfd_elf_link_record_dynamic_symbol (info, h))
+@@ -8052,7 +8092,7 @@
+ 	{
+ 	  h->got.offset = htab->root.sgot->size;
+ 	  htab->root.sgot->size += GOT_ENTRY_SIZE;
+-	  if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
++	  if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
+ 	       || h->root.type != bfd_link_hash_undefweak)
+ 	      && (bfd_link_pic (info)
+ 		  || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))
+@@ -8088,7 +8128,7 @@
+ 	    }
+ 
+ 	  indx = h && h->dynindx != -1 ? h->dynindx : 0;
+-	  if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
++	  if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
+ 	       || h->root.type != bfd_link_hash_undefweak)
+ 	      && (!bfd_link_executable (info)
+ 		  || indx != 0
+@@ -8154,7 +8194,7 @@
+ 	 visibility.  */
+       if (eh->dyn_relocs != NULL && h->root.type == bfd_link_hash_undefweak)
+ 	{
+-	  if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
++	  if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT || resolved_to_zero
+ 	      || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
+ 	    eh->dyn_relocs = NULL;
+ 
+@@ -8174,7 +8214,9 @@
+ 	 symbols which turn out to need copy relocs or are not
+ 	 dynamic.  */
+ 
+-      if (!h->non_got_ref
++      if (!(h->non_got_ref
++           || (h->root.type == bfd_link_hash_undefweak
++               && !resolved_to_zero))
+ 	  && ((h->def_dynamic
+ 	       && !h->def_regular)
+ 	      || (htab->root.dynamic_sections_created
+@@ -8185,6 +8227,7 @@
+ 	     Undefined weak syms won't yet be marked as dynamic.  */
+ 	  if (h->dynindx == -1
+ 	      && !h->forced_local
++	      && !resolved_to_zero
+ 	      && h->root.type == bfd_link_hash_undefweak
+ 	      && !bfd_elf_link_record_dynamic_symbol (info, h))
+ 	    return FALSE;
+@@ -8805,8 +8848,17 @@
+ 				     Elf_Internal_Sym *sym)
+ {
+   struct elf_aarch64_link_hash_table *htab;
++  struct elf_aarch64_link_hash_entry *eh;
++  bfd_boolean local_undefweak;
+   htab = elf_aarch64_hash_table (info);
+ 
++  eh = (struct elf_aarch64_link_hash_entry *) h;
++
++  /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
++     resolved undefined weak symbols in executable so that their
++     references have value 0 at run-time.  */
++  local_undefweak = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
++
+   if (h->plt.offset != (bfd_vma) - 1)
+     {
+       asection *plt, *gotplt, *relplt;
+@@ -8841,7 +8893,7 @@
+ 	return FALSE;
+ 
+       elfNN_aarch64_create_small_pltn_entry (h, htab, output_bfd, info);
+-      if (!h->def_regular)
++      if (!local_undefweak && !h->def_regular)
+ 	{
+ 	  /* Mark the symbol as undefined, rather than as defined in
+ 	     the .plt section.  */
+@@ -8860,10 +8912,11 @@
+     }
+ 
+   if (h->got.offset != (bfd_vma) - 1
+-      && elf_aarch64_hash_entry (h)->got_type == GOT_NORMAL
++      && elf_aarch64_hash_entry (h)->got_type == GOT_NORMAL 
+       /* Undefined weak symbol in static PIE resolves to 0 without
+ 	 any dynamic relocations.  */
+-      && !UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
++      && !UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)
++      && !local_undefweak)
+     {
+       Elf_Internal_Rela rela;
+       bfd_byte *loc;
+@@ -9357,6 +9410,9 @@
+ #define elf_backend_init_index_section		\
+   _bfd_elf_init_2_index_sections
+ 
++#define elf_backend_fixup_symbol		\
++  elfNN_aarch64_elf_fixup_symbol
++
+ #define elf_backend_finish_dynamic_sections	\
+   elfNN_aarch64_finish_dynamic_sections
+ 
+diff -NBaur binutils-2.30/ld/emulparams/aarch64elf32.sh binutils-2.30-dka64/ld/emulparams/aarch64elf32.sh
+--- binutils-2.30/ld/emulparams/aarch64elf32.sh	2018-01-13 13:31:16.000000000 +0000
++++ binutils-2.30-dka64/ld/emulparams/aarch64elf32.sh	2018-02-11 19:48:08.997273556 +0000
+@@ -1,3 +1,5 @@
++. ${srcdir}/emulparams/dynamic_undefined_weak.sh
++
+ ARCH="aarch64:ilp32"
+ MACHINE=
+ NOP=0
+diff -NBaur binutils-2.30/ld/emulparams/aarch64elf.sh binutils-2.30-dka64/ld/emulparams/aarch64elf.sh
+--- binutils-2.30/ld/emulparams/aarch64elf.sh	2018-01-13 13:31:16.000000000 +0000
++++ binutils-2.30-dka64/ld/emulparams/aarch64elf.sh	2018-02-11 19:48:09.009273555 +0000
+@@ -1,3 +1,5 @@
++. ${srcdir}/emulparams/dynamic_undefined_weak.sh
++
+ ARCH=aarch64
+ MACHINE=
+ NOP=0
+diff -NBaur binutils-2.30/ld/emultempl/aarch64elf.em binutils-2.30-dka64/ld/emultempl/aarch64elf.em
+--- binutils-2.30/ld/emultempl/aarch64elf.em	2018-01-13 13:31:16.000000000 +0000
++++ binutils-2.30-dka64/ld/emultempl/aarch64elf.em	2018-02-11 19:48:09.009273555 +0000
+@@ -378,7 +378,7 @@
+   { "no-apply-dynamic-relocs", no_argument, NULL, OPTION_NO_APPLY_DYNAMIC_RELOCS},
+ '
+ 
+-PARSE_AND_LIST_OPTIONS='
++PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'
+   fprintf (file, _("  --no-enum-size-warning      Don'\''t warn about objects with incompatible\n"
+ 		   "                                enum sizes\n"));
+   fprintf (file, _("  --no-wchar-size-warning     Don'\''t warn about objects with incompatible"
+diff -NBaur binutils-2.30/ld/Makefile.am binutils-2.30-dka64/ld/Makefile.am
+--- binutils-2.30/ld/Makefile.am	2018-01-13 13:31:16.000000000 +0000
++++ binutils-2.30-dka64/ld/Makefile.am	2018-02-11 19:48:09.021273555 +0000
+@@ -1654,19 +1654,23 @@
+   $(srcdir)/scripttempl/aout.sc ${GEN_DEPENDS}
+ 
+ eaarch64elf.c: $(srcdir)/emulparams/aarch64elf.sh \
+-  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
++  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em ldemul-list.h \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elf32.c: $(srcdir)/emulparams/aarch64elf32.sh \
+-  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
++  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em ldemul-list.h \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elfb.c: $(srcdir)/emulparams/aarch64elfb.sh $(srcdir)/emulparams/aarch64elf.sh \
+-  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
++  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em ldemul-list.h \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elf32b.c: $(srcdir)/emulparams/aarch64elf32b.sh $(srcdir)/emulparams/aarch64elf32.sh \
+-  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
++  $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em ldemul-list.h \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64cloudabi.c: $(srcdir)/emulparams/aarch64cloudabi.sh \
+diff -NBaur binutils-2.30/ld/Makefile.in binutils-2.30-dka64/ld/Makefile.in
+--- binutils-2.30/ld/Makefile.in	2018-01-27 15:03:10.000000000 +0000
++++ binutils-2.30-dka64/ld/Makefile.in	2018-02-11 19:48:09.037273554 +0000
+@@ -3219,18 +3219,22 @@
+ 
+ eaarch64elf.c: $(srcdir)/emulparams/aarch64elf.sh \
+   $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elf32.c: $(srcdir)/emulparams/aarch64elf32.sh \
+   $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elfb.c: $(srcdir)/emulparams/aarch64elfb.sh $(srcdir)/emulparams/aarch64elf.sh \
+   $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64elf32b.c: $(srcdir)/emulparams/aarch64elf32b.sh $(srcdir)/emulparams/aarch64elf32.sh \
+   $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
++  $(srcdir)/emulparams/dynamic_undefined_weak.sh \
+   $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ 
+ eaarch64cloudabi.c: $(srcdir)/emulparams/aarch64cloudabi.sh \

dka64/patches/gcc-7.3.0.patch

@@ -0,0 +1,190 @@
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.c gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.c
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.c	2017-11-03 15:01:10.970890000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.c	2018-01-22 20:15:07.232099998 +0000
+@@ -10009,8 +10009,24 @@
+       || !register_operand (target, Pmode))
+     target = gen_reg_rtx (Pmode);
+ 
+-  /* Can return in any reg.  */
+-  emit_insn (gen_aarch64_load_tp_hard (target));
++  if (TARGET_HARD_TP)
++    {
++      /* Can return in any reg.  */
++      emit_insn (gen_aarch64_load_tp_hard (target));
++    }
++  else
++    {
++      /* Always returned in r0.  Immediately copy the result into a pseudo,
++	 otherwise other uses of r0 (e.g. setting up function arguments) may
++	 clobber the value.  */
++
++      rtx tmp;
++
++      emit_insn (gen_aarch64_load_tp_soft ());
++
++      tmp = gen_rtx_REG (DImode, R0_REGNUM);
++      emit_move_insn (target, tmp);
++    }
+   return target;
+ }
+ 
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64-elf-raw.h gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64-elf-raw.h
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64-elf-raw.h	2017-01-01 12:07:43.905435000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64-elf-raw.h	2018-01-22 20:15:07.232099998 +0000
+@@ -22,6 +22,7 @@
+ #ifndef GCC_AARCH64_ELF_RAW_H
+ #define GCC_AARCH64_ELF_RAW_H
+ 
++#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L %(libgloss) --end-group"
+ #define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
+ #define ENDFILE_SPEC \
+   " crtend%O%s crtn%O%s " \
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.h gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.h
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.h	2017-09-21 13:16:31.171118000 +0100
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.h	2018-01-22 20:15:07.232099998 +0000
+@@ -887,6 +887,10 @@
+ /* Check TLS Descriptors mechanism is selected.  */
+ #define TARGET_TLS_DESC (aarch64_tls_dialect == TLS_DESCRIPTORS)
+ 
++/* Check selected thread pointer access sequence to use.  */
++#define TARGET_HARD_TP (target_thread_pointer == TP_HARD)
++#define TARGET_SOFT_TP (target_thread_pointer == TP_SOFT)
++
+ extern enum aarch64_code_model aarch64_cmodel;
+ 
+ /* When using the tiny addressing model conditional and unconditional branches
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.md gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.md
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.md	2017-04-05 12:48:02.927619000 +0100
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.md	2018-01-22 20:15:07.236099934 +0000
+@@ -5230,11 +5230,22 @@
+ (define_insn "aarch64_load_tp_hard"
+   [(set (match_operand:DI 0 "register_operand" "=r")
+ 	(unspec:DI [(const_int 0)] UNSPEC_TLS))]
+-  ""
+-  "mrs\\t%0, tpidr_el0"
++  "TARGET_HARD_TP"
++  "mrs\\t%0, tpidr_el0\\t// aarch64_load_tp_hard"
+   [(set_attr "type" "mrs")]
+ )
+ 
++(define_insn "aarch64_load_tp_soft"
++  [(set (reg:DI 0) (unspec:DI [(const_int 0)] UNSPEC_TLS))
++   (clobber (reg:DI IP0_REGNUM))
++   (clobber (reg:DI IP1_REGNUM))
++   (clobber (reg:DI LR_REGNUM))
++   (clobber (reg:CC CC_REGNUM))]
++  "TARGET_SOFT_TP"
++  "bl\\t__aarch64_read_tp\\t// aarch64_load_tp_soft"
++  [(set_attr "type" "branch")]
++)
++
+ ;; The TLS ABI specifically requires that the compiler does not schedule
+ ;; instructions in the TLS stubs, in order to enable linker relaxation.
+ ;; Therefore we treat the stubs as an atomic sequence.
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.opt gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.opt
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.opt	2017-03-17 17:05:23.131899000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.opt	2018-01-22 20:15:07.236099934 +0000
+@@ -115,6 +115,20 @@
+ EnumValue
+ Enum(aarch64_tls_size) String(48) Value(48)
+ 
++mtp=
++Target RejectNegative Joined Enum(aarch64_tp_type) Var(target_thread_pointer) Init(TP_HARD)
++Specify how to access the thread pointer.
++
++Enum
++Name(aarch64_tp_type) Type(enum aarch64_tp_type)
++Valid arguments to -mtp=:
++
++EnumValue
++Enum(aarch64_tp_type) String(hard) Value(TP_HARD)
++
++EnumValue
++Enum(aarch64_tp_type) String(soft) Value(TP_SOFT)
++
+ march=
+ Target RejectNegative ToLower Joined Var(aarch64_arch_string)
+ -march=ARCH	Use features of architecture ARCH.
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64-opts.h gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64-opts.h
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64-opts.h	2017-01-20 00:03:20.347898000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64-opts.h	2018-01-22 20:15:07.232099998 +0000
+@@ -48,6 +48,12 @@
+   TLS_DESCRIPTORS
+ };
+ 
++/* Which thread pointer access sequence to use.  */
++enum aarch64_tp_type {
++  TP_HARD,
++  TP_SOFT
++};
++
+ /* The code model defines the address generation strategy.
+    Most have a PIC and non-PIC variant.  */
+ enum aarch64_code_model {
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/t-aarch64 gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/t-aarch64
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/t-aarch64	2017-01-01 12:07:43.905435000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/t-aarch64	2018-01-22 20:15:07.236099934 +0000
+@@ -68,5 +68,7 @@
+ 		$(srcdir)/config/aarch64/cortex-a57-fma-steering.c
+ 
+ comma=,
+-MULTILIB_OPTIONS    = $(subst $(comma),/, $(patsubst %, mabi=%, $(subst $(comma),$(comma)mabi=,$(TM_MULTILIB_CONFIG))))
+-MULTILIB_DIRNAMES   = $(subst $(comma), ,$(TM_MULTILIB_CONFIG))
++MULTILIB_OPTIONS    = mcmodel=large fPIC
++MULTILIB_DIRNAMES   = large pic
++MULTILIB_REQUIRED   = mcmodel=large fPIC
++MULTILIB_MATCHES    = fPIC=fpic fPIC=fpie fPIC=fPIE
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/gcc.c gcc-7.3.0-RC-20180122-aarch64/gcc/gcc.c
+--- gcc-7.3.0-RC-20180122/gcc/gcc.c	2017-09-15 09:18:34.015147000 +0100
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/gcc.c	2018-01-22 20:15:07.236099934 +0000
+@@ -779,6 +779,11 @@
+ #endif
+ #endif
+ 
++#ifndef LIBGLOSS_SPEC
++# define LIBGLOSS_SPEC "-lsysbase"
++#endif
++
++
+ /* config.h can define STARTFILE_SPEC to override the default crt0 files.  */
+ #ifndef STARTFILE_SPEC
+ #define STARTFILE_SPEC  \
+@@ -1074,6 +1079,7 @@
+ static const char *lib_spec = LIB_SPEC;
+ static const char *link_gomp_spec = "";
+ static const char *libgcc_spec = LIBGCC_SPEC;
++static const char *libgloss_spec = LIBGLOSS_SPEC;
+ static const char *endfile_spec = ENDFILE_SPEC;
+ static const char *startfile_spec = STARTFILE_SPEC;
+ static const char *linker_name_spec = LINKER_NAME;
+@@ -1579,6 +1585,7 @@
+   INIT_STATIC_SPEC ("lib",			&lib_spec),
+   INIT_STATIC_SPEC ("link_gomp",		&link_gomp_spec),
+   INIT_STATIC_SPEC ("libgcc",			&libgcc_spec),
++  INIT_STATIC_SPEC ("libgloss",			&libgloss_spec),
+   INIT_STATIC_SPEC ("startfile",		&startfile_spec),
+   INIT_STATIC_SPEC ("cross_compile",		&cross_compile),
+   INIT_STATIC_SPEC ("version",			&compiler_version),
+diff -NBaur gcc-7.3.0-RC-20180122/libgcc/crtstuff.c gcc-7.3.0-RC-20180122-aarch64/libgcc/crtstuff.c
+--- gcc-7.3.0-RC-20180122/libgcc/crtstuff.c	2017-01-01 12:07:43.905435000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/libgcc/crtstuff.c	2018-01-22 20:15:07.236099934 +0000
+@@ -47,6 +47,7 @@
+ 
+ /* Target machine header files require this define. */
+ #define IN_LIBGCC2
++#define USED_FOR_TARGET
+ 
+ /* FIXME: Including auto-host is incorrect, but until we have
+    identified the set of defines that need to go into auto-target.h,
+diff -NBaur gcc-7.3.0-RC-20180122/libgcc/Makefile.in gcc-7.3.0-RC-20180122-aarch64/libgcc/Makefile.in
+--- gcc-7.3.0-RC-20180122/libgcc/Makefile.in	2017-04-19 09:08:44.446150000 +0100
++++ gcc-7.3.0-RC-20180122-aarch64/libgcc/Makefile.in	2018-01-22 20:15:07.236099934 +0000
+@@ -844,7 +844,7 @@
+ # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
+ # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
+ 
+-c_flags := -fexceptions
++c_flags := -fno-exceptions
+ 
+ ifeq ($(enable_shared),yes)
+ 

dka64/rules/base_rules

@@ -0,0 +1,40 @@
+include $(DEVKITPRO)/devkitA64/base_tools
+
+#---------------------------------------------------------------------------------
+%.a:
+#---------------------------------------------------------------------------------
+	@echo $(notdir $@)
+	@rm -f $@
+	$(AR) -rc $@ $^
+
+
+#---------------------------------------------------------------------------------
+%.o: %.cpp
+	@echo $(notdir $<)
+	$(CXX) -MMD -MP -MF $(DEPSDIR)/$*.d $(CXXFLAGS) -c $< -o $@ $(ERROR_FILTER)
+
+#---------------------------------------------------------------------------------
+%.o: %.c
+	@echo $(notdir $<)
+	$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d $(CFLAGS) -c $< -o $@ $(ERROR_FILTER)
+
+#---------------------------------------------------------------------------------
+%.o: %.s
+	@echo $(notdir $<)
+	$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@ $(ERROR_FILTER)
+
+#---------------------------------------------------------------------------------
+%.o: %.S
+	@echo $(notdir $<)
+	$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@ $(ERROR_FILTER)
+
+#---------------------------------------------------------------------------------
+# canned command sequence for binary data
+#---------------------------------------------------------------------------------
+define bin2o
+	bin2s $< | $(AS) -o $(@)
+	echo "extern const u8" `(echo $(<F) | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`"_end[];" > `(echo $(<F) | tr . _)`.h
+	echo "extern const u8" `(echo $(<F) | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`"[];" >> `(echo $(<F) | tr . _)`.h
+	echo "extern const u32" `(echo $(<F) | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`_size";" >> `(echo $(<F) | tr . _)`.h
+endef
+

dka64/rules/base_tools

@@ -0,0 +1,38 @@
+#---------------------------------------------------------------------------------
+# make sure we have bash on OSX
+#---------------------------------------------------------------------------------
+UNAME_S	:=	$(shell uname -s)
+UNAME_R	:=	$(shell uname -r)
+
+ifneq (,$(findstring Darwin,$(UNAME_S)))
+	export SHELL=/bin/bash
+endif
+#---------------------------------------------------------------------------------
+# path to tools
+#---------------------------------------------------------------------------------
+export PATH	:=	$(DEVKITPRO)/devkitA64/bin:$(PATH)
+
+#---------------------------------------------------------------------------------
+# add portlibs path
+#---------------------------------------------------------------------------------
+export PORTLIBS_PATH	:=	$(DEVKITPRO)/portlibs
+
+#---------------------------------------------------------------------------------
+# the prefix on the compiler executables
+#---------------------------------------------------------------------------------
+PREFIX		:=	aarch64-none-elf-
+
+export CC	:=	$(PREFIX)gcc
+export CXX	:=	$(PREFIX)g++
+export AS	:=	$(PREFIX)as
+export AR	:=	$(PREFIX)gcc-ar
+export OBJCOPY	:=	$(PREFIX)objcopy
+export STRIP	:=	$(PREFIX)strip
+export NM	:=	$(PREFIX)gcc-nm
+export RANLIB	:=	$(PREFIX)gcc-ranlib
+
+ISVC=$(or $(VCBUILDHELPER_COMMAND),$(MSBUILDEXTENSIONSPATH32),$(MSBUILDEXTENSIONSPATH))
+
+ifneq (,$(ISVC))
+	ERROR_FILTER	:=	2>&1 | sed -e 's/\(.[a-zA-Z]\+\):\([0-9]\+\):/\1(\2):/g'
+endif

dka64/scripts/build-gcc.sh

@@ -0,0 +1,178 @@
+#!/bin/sh
+#---------------------------------------------------------------------------------
+
+#---------------------------------------------------------------------------------
+# build and install binutils
+#---------------------------------------------------------------------------------
+
+mkdir -p $target/binutils
+cd $target/binutils
+
+if [ ! -f configured-binutils ]
+then
+	CFLAGS=$cflags LDFLAGS=$ldflags ../../binutils-$BINUTILS_VER/configure \
+        --prefix=$prefix --target=$target --disable-nls --disable-werror \
+	--enable-lto --enable-plugins --enable-poison-system-directories \
+	$CROSS_PARAMS \
+        || { echo "Error configuring binutils"; exit 1; }
+	touch configured-binutils
+fi
+
+if [ ! -f built-binutils ]
+then
+  $MAKE || { echo "Error building binutils"; exit 1; }
+  touch built-binutils
+fi
+
+if [ ! -f installed-binutils ]
+then
+  $MAKE install || { echo "Error installing binutils"; exit 1; }
+  touch installed-binutils
+fi
+cd $BUILDDIR
+
+#---------------------------------------------------------------------------------
+# build and install just the c compiler
+#---------------------------------------------------------------------------------
+mkdir -p $target/gcc
+cd $target/gcc
+
+if [ ! -f configured-gcc ]
+then
+	CFLAGS="$cflags" \
+	CXXFLAGS="$cflags" \
+	LDFLAGS="$ldflags" \
+	CFLAGS_FOR_TARGET="-O2 -ffunction-sections -fdata-sections" \
+	CXXFLAGS_FOR_TARGET="-O2 -ffunction-sections -fdata-sections" \
+	LDFLAGS_FOR_TARGET="" \
+	../../gcc-$GCC_VER/configure \
+		--enable-languages=c,c++ \
+		--with-gnu-as --with-gnu-ld --with-gcc \
+		--with-march=armv8\
+		--enable-cxx-flags='-ffunction-sections' \
+		--disable-libstdcxx-verbose \
+		--enable-poison-system-directories \
+		--enable-interwork --enable-multilib \
+		--enable-threads --disable-win32-registry --disable-nls --disable-debug\
+		--disable-libmudflap --disable-libssp --disable-libgomp \
+		--disable-libstdcxx-pch \
+		--target=$target \
+		--with-newlib \
+		--with-headers=../../newlib-$NEWLIB_VER/newlib/libc/include \
+		--prefix=$prefix \
+		--enable-lto $plugin_ld\
+		--with-system-zlib \
+		--with-bugurl="https://github.com/devkitPro/buildscripts/issues" --with-pkgversion="devkitA64 alpha 7" \
+		$CROSS_PARAMS \
+		|| { echo "Error configuring gcc"; exit 1; }
+	touch configured-gcc
+fi
+
+if [ ! -f built-gcc ]
+then
+	$MAKE all-gcc || { echo "Error building gcc stage1"; exit 1; }
+	touch built-gcc
+fi
+
+if [ ! -f installed-gcc ]
+then
+	$MAKE install-gcc || { echo "Error installing gcc"; exit 1; }
+	touch installed-gcc
+fi
+
+
+unset CFLAGS
+cd $BUILDDIR
+
+#---------------------------------------------------------------------------------
+# build and install newlib
+#---------------------------------------------------------------------------------
+mkdir -p $target/newlib
+cd $target/newlib
+
+if [ ! -f configured-newlib ]
+then
+	CFLAGS_FOR_TARGET="-O2 -ffunction-sections -fdata-sections" \
+	../../newlib-$NEWLIB_VER/configure \
+	--disable-newlib-supplied-syscalls \
+	--enable-newlib-mb \
+	--disable-newlib-wide-orient \
+	--target=$target \
+	--prefix=$prefix \
+	|| { echo "Error configuring newlib"; exit 1; }
+	touch configured-newlib
+fi
+
+if [ ! -f built-newlib ]
+then
+	$MAKE || { echo "Error building newlib"; exit 1; }
+	touch built-newlib
+fi
+
+
+if [ ! -f installed-newlib ]
+then
+	$MAKE install -j1 || { echo "Error installing newlib"; exit 1; }
+	touch installed-newlib
+fi
+
+#---------------------------------------------------------------------------------
+# build and install the final compiler
+#---------------------------------------------------------------------------------
+
+cd $BUILDDIR
+
+cd $target/gcc
+
+if [ ! -f built-stage2 ]
+then
+	$MAKE all || { echo "Error building gcc stage2"; exit 1; }
+	touch built-stage2
+fi
+
+if [ ! -f installed-stage2 ]
+then
+	$MAKE install || { echo "Error installing gcc stage2"; exit 1; }
+	touch installed-stage2
+fi
+
+rm -fr $prefix/$target/sys-include
+
+cd $BUILDDIR
+
+#---------------------------------------------------------------------------------
+# build and install the debugger
+#---------------------------------------------------------------------------------
+mkdir -p $target/gdb
+cd $target/gdb
+
+PLATFORM=`uname -s`
+
+if [ ! -f configured-gdb ]
+then
+	CFLAGS="$cflags" \
+	CXXFLAGS="$cflags" \
+	LDFLAGS="$ldflags" \
+	../../gdb-$GDB_VER/configure \
+	--disable-nls --prefix=$prefix --target=$target --disable-werror \
+	$CROSS_PARAMS \
+	|| { echo "Error configuring gdb"; exit 1; }
+	touch configured-gdb
+fi
+
+if [ ! -f built-gdb ]
+then
+	$MAKE || { echo "Error building gdb"; exit 1; }
+	touch built-gdb
+fi
+
+if [ ! -f installed-gdb ]
+then
+	$MAKE install || { echo "Error installing gdb"; exit 1; }
+	touch installed-gdb
+fi
+
+#---------------------------------------------------------------------------------
+# copy base rulesets
+#---------------------------------------------------------------------------------
+cp -v $BUILDSCRIPTDIR/dka64/rules/* $prefix

dka64/scripts/build-tools.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+cd $BUILDDIR
+
+for archive in $hostarchives
+do
+	dir=$(echo $archive | sed -e 's/\(.*\)\.tar\.bz2/\1/' )
+	cd $BUILDDIR/$dir
+	if [ ! -f configured ]; then
+		CXXFLAGS=$cflags CFLAGS=$cflags LDFLAGS=$ldflags ./configure --prefix=$prefix $CROSS_PARAMS || { echo "error configuring $archive"; exit 1; }
+		touch configured
+	fi
+	if [ ! -f built ]; then
+		$MAKE || { echo "error building $dir"; exit 1; }
+		touch built
+	fi
+	if [ ! -f installed ]; then
+		$MAKE install || { echo "error installing $dir"; exit 1; }
+		touch installed
+	fi
+done

makedist.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 DATESTRING=$(date +%Y)$(date +%m)$(date +%d)
 cd .. && tar	--exclude=*CVS* --exclude=.svn --exclude=.git --exclude=*.log --exclude=*.bz2 \
-				--exclude=*.gz --exclude=config.sh --exclude=.devkitARM --exclude=.devkitPPC \
-				--exclude=.devkitPSP --exclude=.gitignore \
+				--exclude=*.gz --exclude=config.sh --exclude=.devkitARM* --exclude=.devkitPPC* \
+				--exclude=.devkitA64* --exclude=.gitignore \
 				-cvjf buildscripts-$DATESTRING.tar.bz2 buildscripts

select_toolchain.sh

@@ -19,6 +19,7 @@ do
   echo
   echo "1: devkitARM (gba gp32 ds)"
   echo "2: devkitPPC (gamecube wii)"
+  echo "3: devkitA64 (switch)"
   read VERSION
 
   if [ "$VERSION" -ne 1 -a "$VERSION" -ne 2 -a "$VERSION" -ne 3 ]
@@ -49,4 +50,14 @@ case "$VERSION" in
     target=powerpc-eabi
     toolchain=DEVKITPPC
   ;;
+  "3" )
+    GCC_VER=7.3.0
+    BINUTILS_VER=2.30
+    NEWLIB_VER=3.0.0
+    GDB_VER=8.0
+    basedir='dka64'
+    package=devkitA64
+    target=aarch64-none-elf
+    toolchain=DEVKITA64
+  ;;
 esac