From f32f75858a14e7b304df7a71dae15d75081b0deb Mon Sep 17 00:00:00 2001 From: Matthew Green Date: Mon, 17 Jun 2019 14:43:11 +0000 Subject: [PATCH] [netbsd][aarch64] add netbsd/aarch64 target Initial support for AArch64 running NetBSD. Matthew Green Maya Rashish 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 From-SVN: r272387 --- gcc/ChangeLog | 7 +++ gcc/config.gcc | 6 +++ gcc/config/aarch64/aarch64-netbsd.h | 80 +++++++++++++++++++++++++++++ gcc/config/aarch64/t-aarch64-netbsd | 21 ++++++++ libgcc/ChangeLog | 5 ++ libgcc/config.host | 6 +++ 6 files changed, 125 insertions(+) create mode 100644 gcc/config/aarch64/aarch64-netbsd.h create mode 100644 gcc/config/aarch64/t-aarch64-netbsd diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f11854438aa..dfcf057efce 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2019-06-17 Matthew Green + Maya Rashish + + * config.gcc (aarch64*-*-netbsd*): New target. + * config/aarch64/aarch64-netbsd.h: New file. + * config/aarch64/t-aarch64-netbsd: Likewise. + 2019-06-17 Jan Hubicka * tree-ssa-alias.c (aliasing_component_refs_p): Consider only diff --git a/gcc/config.gcc b/gcc/config.gcc index 8f864c8e1f5..fda048dc12b 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -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" diff --git a/gcc/config/aarch64/aarch64-netbsd.h b/gcc/config/aarch64/aarch64-netbsd.h new file mode 100644 index 00000000000..2686a1b7ae7 --- /dev/null +++ b/gcc/config/aarch64/aarch64-netbsd.h @@ -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 + . */ + +#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 */ diff --git a/gcc/config/aarch64/t-aarch64-netbsd b/gcc/config/aarch64/t-aarch64-netbsd new file mode 100644 index 00000000000..aa447d0f6d4 --- /dev/null +++ b/gcc/config/aarch64/t-aarch64-netbsd @@ -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 +# . + +LIB1ASMSRC = aarch64/lib1funcs.asm +LIB1ASMFUNCS = _aarch64_sync_cache_range diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index fee8b3811a3..934733d66b8 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,8 @@ +2019-06-17 Matthew Green + Maya Rashish + + * config.host (aarch64*-*-netbsd*): New case. + 2019-06-16 Jozef Lawrynowicz * config/msp430/slli.S (__mspabi_sllll): New library function for diff --git a/libgcc/config.host b/libgcc/config.host index 0574b4d7741..e6a834b8fc8 100644 --- a/libgcc/config.host +++ b/libgcc/config.host @@ -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"