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[netbsd][aarch64] add netbsd/aarch64 target 

Initial support for AArch64 running NetBSD.

Matthew Green <mrg@eterna.com.au>
Maya Rashish <coypu@sdf.org>

gcc:
	* config.gcc (aarch64*-*-netbsd*): New target.
	* config/aarch64/aarch64-netbsd.h: New file.
	* config/aarch64/t-aarch64-netbsd: Likewise.

libgcc:
	* config.host (aarch64*-*-netbsd*): New case.

Co-Authored-By: Maya Rashish <coypu@sdf.org>

From-SVN: r272387
This commit is contained in:
Matthew Green 2019-06-17 14:43:11 +00:00 committed by Richard Earnshaw
parent 360a758ec8
commit f32f75858a
6 changed files with 125 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2019-06-17 Matthew Green <mrg@eterna.com.au>
Maya Rashish <coypu@sdf.org>
* config.gcc (aarch64*-*-netbsd*): New target.
* config/aarch64/aarch64-netbsd.h: New file.
* config/aarch64/t-aarch64-netbsd: Likewise.
2019-06-17 Jan Hubicka <hubicka@ucw.cz>
* tree-ssa-alias.c (aliasing_component_refs_p): Consider only

6
gcc/config.gcc
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@ -1021,6 +1021,12 @@ aarch64*-*-freebsd*)
tmake_file="${tmake_file} aarch64/t-aarch64 aarch64/t-aarch64-freebsd"
tm_defines="${tm_defines} TARGET_DEFAULT_ASYNC_UNWIND_TABLES=1"
;;
aarch64*-*-netbsd*)
tm_file="${tm_file} dbxelf.h elfos.h ${nbsd_tm_file}"
tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-netbsd.h"
tmake_file="${tmake_file} aarch64/t-aarch64 aarch64/t-aarch64-netbsd"
extra_options="${extra_options} netbsd.opt netbsd-elf.opt"
;;
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"

80
gcc/config/aarch64/aarch64-netbsd.h Normal file
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@ -0,0 +1,80 @@
/* Definitions for AArch64 running NetBSD
Copyright (C) 2016-2019 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/>. */
#ifndef GCC_AARCH64_NETBSD_H
#define GCC_AARCH64_NETBSD_H
#define TARGET_LINKER_BIG_EMULATION "aarch64nbsdb"
#define TARGET_LINKER_LITTLE_EMULATION "aarch64nbsd"
#if TARGET_BIG_ENDIAN_DEFAULT
#define TARGET_LINKER_EMULATION TARGET_LINKER_BIG_EMULATION
#else
#define TARGET_LINKER_EMULATION TARGET_LINKER_LITTLE_EMULATION
#endif
#undef SUBTARGET_EXTRA_LINK_SPEC
#define SUBTARGET_EXTRA_LINK_SPEC " -m" TARGET_LINKER_EMULATION
#define NETBSD_ENTRY_POINT "__start"
#define NETBSD_TARGET_LINK_SPEC "%{h*} " \
"-X %{mbig-endian:-EB -m " TARGET_LINKER_BIG_EMULATION "} " \
"%{mlittle-endian:-EL -m " TARGET_LINKER_LITTLE_EMULATION "} " \
"%(netbsd_link_spec)"
#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 NETBSD_LINK_SPEC_ELF \
NETBSD_TARGET_LINK_SPEC \
CA53_ERR_835769_SPEC \
CA53_ERR_843419_SPEC
#undef TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
NETBSD_OS_CPP_BUILTINS_ELF(); \
} \
while (0)
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC NETBSD_CPP_SPEC
#undef EXTRA_SPECS
#define EXTRA_SPECS \
{ "asm_cpu_spec", ASM_CPU_SPEC }, \
NETBSD_SUBTARGET_EXTRA_SPECS
#endif /* GCC_AARCH64_NETBSD_H */

21
gcc/config/aarch64/t-aarch64-netbsd Normal file
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@ -0,0 +1,21 @@
# Machine description for AArch64 architecture.
# Copyright (C) 2016-2019 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/>.
LIB1ASMSRC = aarch64/lib1funcs.asm
LIB1ASMFUNCS = _aarch64_sync_cache_range

5
libgcc/ChangeLog
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@ -1,3 +1,8 @@
2019-06-17 Matthew Green <mrg@eterna.com.au>
Maya Rashish <coypu@sdf.org>
* config.host (aarch64*-*-netbsd*): New case.
2019-06-16 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* config/msp430/slli.S (__mspabi_sllll): New library function for

6
libgcc/config.host
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@ -359,6 +359,12 @@ aarch64*-*-freebsd*)
tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
md_unwind_header=aarch64/freebsd-unwind.h
;;
aarch64*-*-netbsd*)
extra_parts="$extra_parts crtfastmath.o"
tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
md_unwind_header=aarch64/aarch64-unwind.h
;;
aarch64*-*-fuchsia*)
tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp"