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Add fuchsia support to libgcc

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* 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.

From-SVN: r247710
This commit is contained in:
Joshua Conner 2017-05-06 00:22:38 +00:00 committed by Josh Conner
parent 08dd548e8d
commit 7ab8766a8e
4 changed files with 70 additions and 1 deletions
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8
libgcc/ChangeLog
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@ -1,3 +1,11 @@
2017-05-05 Joshua Conner <joshconner@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.
2017-04-19 Martin Liska <mliska@suse.cz>
PR gcov-profile/80435

17
libgcc/config.host
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@ -231,6 +231,10 @@ case ${host} in
;;
esac
;;
*-*-fuchsia*)
tmake_file="$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="$tmake_file t-crtstuff-pic t-libgcc-pic t-eh-dw2-dip t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-linux"
extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
@ -342,6 +346,10 @@ aarch64*-*-freebsd*)
tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
md_unwind_header=aarch64/freebsd-unwind.h
;;
aarch64*-*-fuchsia*)
tmake_file="${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
@ -394,6 +402,12 @@ arm*-*-freebsd*) # ARM FreeBSD EABI
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="$tmake_file arm/t-arm arm/t-netbsd t-slibgcc-gld-nover"
;;
@ -588,6 +602,9 @@ i[34567]86-*-elf*)
x86_64-*-elf* | x86_64-*-rtems*)
tmake_file="$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

2
libgcc/config/arm/unwind-arm.h
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@ -49,7 +49,7 @@ extern "C" {
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;

44
libgcc/config/t-slibgcc-fuchsia Normal file
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@ -0,0 +1,44 @@
# 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) \
$(LDFLAGS)
# Copyright (C) 2017 Free Software Foundation, Inc.
#
# This file is part of GCC.
#
# GCC is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GCC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
# Fuchsia-specific shared library overrides.
SHLIB_LDFLAGS = -Wl,--soname=$(SHLIB_SONAME) \
$(LDFLAGS)