The attached patch adds fuchsia support to libgcc.
OK for trunk?
Thanks -
Josh
2017-01-17 Joshua Conner <joshcon...@google.com>
* config/arm/unwind-arm.h (_Unwind_decode_typeinfo_ptr): Use
pc-relative indirect handling for fuchsia.
* config/t-slibgcc-fuchsia: New file.
* config.host (*-*-fuchsia*, aarch64*-*-fuchsia*, arm*-*-fuchsia*,
x86_64-*-fuchsia*): Add definitions.
Index: config/arm/unwind-arm.h
===================================================================
--- config/arm/unwind-arm.h (revision 244542)
+++ config/arm/unwind-arm.h (working copy)
@@ -49,7 +49,7 @@
return 0;
#if (defined(linux) && !defined(__uClinux__)) || defined(__NetBSD__) \
- || defined(__FreeBSD__)
+ || defined(__FreeBSD__) || defined(__fuchsia__)
/* Pc-relative indirect. */
#define _GLIBCXX_OVERRIDE_TTYPE_ENCODING (DW_EH_PE_pcrel | DW_EH_PE_indirect)
tmp += ptr;
Index: config/t-slibgcc-fuchsia
===================================================================
--- config/t-slibgcc-fuchsia (revision 0)
+++ config/t-slibgcc-fuchsia (working copy)
@@ -0,0 +1,22 @@
+# Copyright (C) 2017 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
+# <http://www.gnu.org/licenses/>.
+
+# Fuchsia-specific shared library overrides.
+
+SHLIB_LDFLAGS = -Wl,--soname=$(SHLIB_SONAME) \
+ $(LDFLAGS)
Index: config.host
===================================================================
--- config.host (revision 244542)
+++ config.host (working copy)
@@ -228,6 +228,10 @@
;;
esac
;;
+*-*-fuchsia*)
+ tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-eh-dw2-dip t-slibgcc
t-slibgcc-fuchsia"
+ extra_parts="crtbegin.o crtend.o"
+ ;;
*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-gnu* |
*-*-kopensolaris*-gnu)
tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-eh-dw2-dip t-slibgcc
t-slibgcc-gld t-slibgcc-elf-ver t-linux"
extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
@@ -337,6 +341,10 @@
tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
;;
+aarch64*-*-fuchsia*)
+ tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
+ tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp"
+ ;;
aarch64*-*-linux*)
extra_parts="$extra_parts crtfastmath.o"
md_unwind_header=aarch64/linux-unwind.h
@@ -389,6 +397,12 @@
unwind_header=config/arm/unwind-arm.h
tmake_file="${tmake_file} t-softfp-sfdf t-softfp-excl arm/t-softfp
t-softfp"
;;
+arm*-*-fuchsia*)
+ tmake_file="${tmake_file} arm/t-arm arm/t-elf arm/t-bpabi"
+ tmake_file="${tmake_file} arm/tsoftfp t-softfp"
+ tm_file="${tm_file} arm/bpabi-lib.h"
+ unwind_header=config/arm/unwind-arm.h
+ ;;
arm*-*-netbsdelf*)
tmake_file="$tmake_file arm/t-arm arm/t-netbsd t-slibgcc-gld-nover"
;;
@@ -583,6 +597,9 @@
x86_64-*-elf* | x86_64-*-rtems*)
tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
;;
+x86_64-*-fuchsia*)
+ tmake_file="$tmake_file t-libgcc-pic"
+ ;;
i[34567]86-*-dragonfly*)
tmake_file="${tmake_file} i386/t-dragonfly i386/t-crtstuff"
md_unwind_header=i386/dragonfly-unwind.h
