--- UTC
--- configure.ac.orig 2016-03-17 23:54:19.000000000 +0100
+++ configure.ac 2016-10-20 21:29:03.780044000 +0200
@@ -819,6 +819,9 @@
*-*-vxworks*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
+ aarch64*-*-freebsd*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
alpha*-*-*vms*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
--- configure.orig 2016-03-17 23:54:19.000000000 +0100
+++ configure 2016-10-20 21:29:03.779159000 +0200
@@ -3483,6 +3483,9 @@
*-*-vxworks*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
+ aarch64*-*-freebsd*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
alpha*-*-*vms*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
--- libgcc/config.host.orig 2016-05-17 08:15:52.000000000 +0200
+++ libgcc/config.host 2016-10-20 21:29:03.782426000 +0200
@@ -333,6 +333,11 @@
tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
;;
+aarch64*-*-freebsd*)
+ extra_parts="$extra_parts crtfastmath.o"
+ tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
+ tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
+ ;;
aarch64*-*-linux*)
extra_parts="$extra_parts crtfastmath.o"
md_unwind_header=aarch64/linux-unwind.h
--- gcc/config.host.orig 2016-01-04 15:30:50.000000000 +0100
+++ gcc/config.host 2016-10-20 21:29:03.781971000 +0200
@@ -99,7 +99,7 @@
esac
case ${host} in
- aarch64*-*-linux*)
+ aarch64*-*-freebsd* | aarch64*-*-linux*)
case ${target} in
aarch64*-*-*)
host_extra_gcc_objs="driver-aarch64.o"
--- gcc/config.gcc.orig 2016-06-08 15:34:25.000000000 +0200
+++ gcc/config.gcc 2016-10-20 21:29:03.781684000 +0200
@@ -941,6 +941,11 @@
done
TM_MULTILIB_CONFIG=`echo $TM_MULTILIB_CONFIG | sed 's/^,//'`
;;
+aarch64*-*-freebsd*)
+ tm_file="${tm_file} dbxelf.h elfos.h ${fbsd_tm_file}"
+ tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-freebsd.h"
+ tmake_file="${tmake_file} aarch64/t-aarch64 aarch64/t-aarch64-freebsd"
+ ;;
aarch64*-*-linux*)
tm_file="${tm_file} dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h"
tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-linux.h"
--- gcc/config/aarch64/t-aarch64-freebsd.orig 2016-10-20 21:29:03.780409000 +0200
+++ gcc/config/aarch64/t-aarch64-freebsd 2016-10-20 21:29:03.780540000 +0200
@@ -0,0 +1,21 @@
+# Machine description for AArch64 architecture.
+# Copyright (C) 2016 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GCC is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3. If not see
+# .
+
+LIB1ASMSRC = aarch64/lib1funcs.asm
+LIB1ASMFUNCS = _aarch64_sync_cache_range
--- gcc/config/aarch64/aarch64-freebsd.h.orig 2016-10-20 21:29:03.780130000 +0200
+++ gcc/config/aarch64/aarch64-freebsd.h 2016-10-20 21:29:03.780349000 +0200
@@ -0,0 +1,98 @@
+/* Definitions for AArch64 running FreeBSD
+ Copyright (C) 2016 Free Software Foundation, Inc.
+
+ This file is part of GCC.
+
+ GCC is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ GCC is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GCC; see the file COPYING3. If not see
+ . */
+
+#ifndef GCC_AARCH64_FREEBSD_H
+#define GCC_AARCH64_FREEBSD_H
+
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC FBSD_CPP_SPEC
+
+#if TARGET_BIG_ENDIAN_DEFAULT
+#define TARGET_LINKER_EMULATION "aarch64fbsdb"
+#else
+#define TARGET_LINKER_EMULATION "aarch64fbsd"
+#endif
+
+#undef SUBTARGET_EXTRA_LINK_SPEC
+#define SUBTARGET_EXTRA_LINK_SPEC " -m" TARGET_LINKER_EMULATION
+
+#undef FBSD_TARGET_LINK_SPEC
+#define FBSD_TARGET_LINK_SPEC " \
+ %{p:%nconsider using `-pg' instead of `-p' with gprof (1) } \
+ %{v:-V} \
+ %{assert*} %{R*} %{rpath*} %{defsym*} \
+ %{shared:-Bshareable %{h*} %{soname*}} \
+ %{symbolic:-Bsymbolic} \
+ %{static:-Bstatic} \
+ %{!static: \
+ %{rdynamic:-export-dynamic} \
+ %{!shared:-dynamic-linker " FBSD_DYNAMIC_LINKER " }} \
+ -X" SUBTARGET_EXTRA_LINK_SPEC " \
+ %{mbig-endian:-EB} %{mlittle-endian:-EL}"
+
+#if TARGET_FIX_ERR_A53_835769_DEFAULT
+#define CA53_ERR_835769_SPEC \
+ " %{!mno-fix-cortex-a53-835769:--fix-cortex-a53-835769}"
+#else
+#define CA53_ERR_835769_SPEC \
+ " %{mfix-cortex-a53-835769:--fix-cortex-a53-835769}"
+#endif
+
+#ifdef TARGET_FIX_ERR_A53_843419_DEFAULT
+#define CA53_ERR_843419_SPEC \
+ " %{!mno-fix-cortex-a53-843419:--fix-cortex-a53-843419}"
+#else
+#define CA53_ERR_843419_SPEC \
+ " %{mfix-cortex-a53-843419:--fix-cortex-a53-843419}"
+#endif
+
+#undef LINK_SPEC
+#define LINK_SPEC FBSD_TARGET_LINK_SPEC \
+ CA53_ERR_835769_SPEC \
+ CA53_ERR_843419_SPEC
+
+#define GNU_USER_TARGET_MATHFILE_SPEC \
+ "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+ GNU_USER_TARGET_MATHFILE_SPEC " " \
+ FBSD_ENDFILE_SPEC
+
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ FBSD_TARGET_OS_CPP_BUILTINS (); \
+ } \
+ while (false)
+
+#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
+
+/* Uninitialized common symbols in non-PIE executables, even with
+ strong definitions in dependent shared libraries, will resolve
+ to COPY relocated symbol in the executable. See PR65780. */
+#undef TARGET_BINDS_LOCAL_P
+#define TARGET_BINDS_LOCAL_P default_binds_local_p_2
+
+/* Use the AAPCS type for wchar_t, override the one from config/freebsd.h. */
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "unsigned int"
+
+#endif /* GCC_AARCH64_FREEBSD_H */
Index: gcc/dwarf2out.c
===================================================================
--- gcc/dwarf2out.c (revision 244100)
+++ gcc/dwarf2out.c (working copy)
@@ -23752,7 +23752,16 @@
{
dw_die_ref die = lookup_decl_die (decl);
if (die)
- add_location_or_const_value_attribute (die, decl, false);
+ {
+ /* We get called via the symtab code invoking late_global_decl
+ for symbols that are optimized out. Do not add locations
+ for those. */
+ varpool_node *node = varpool_node::get (decl);
+ if (! node || ! node->definition)
+ tree_add_const_value_attribute_for_decl (die, decl);
+ else
+ add_location_or_const_value_attribute (die, decl, false);
+ }
}
}
Index: gcc/cgraphunit.c
===================================================================
--- gcc/cgraphunit.c (revision 244100)
+++ gcc/cgraphunit.c (working copy)
@@ -1193,8 +1193,16 @@
at looking at optimized away DECLs, since
late_global_decl will subsequently be called from the
contents of the now pruned symbol table. */
- if (!decl_function_context (node->decl))
- (*debug_hooks->late_global_decl) (node->decl);
+ if (VAR_P (node->decl)
+ && !decl_function_context (node->decl))
+ {
+ /* We are reclaiming totally unreachable code and variables
+ so they effectively appear as readonly. Show that to
+ the debug machinery. */
+ TREE_READONLY (node->decl) = 1;
+ node->definition = false;
+ (*debug_hooks->late_global_decl) (node->decl);
+ }
node->remove ();
continue;