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RISC-V: Support for FreeBSD.

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gcc/
	* config.gcc (riscv*-*-freebsd*): Add RISC-V FreeBSD support.
	* config/riscv/freebsd.h: New.
	libgcc/
	* config.host (riscv*-*-freebsd*): Add RISC-V FreeBSD support.

From-SVN: r259190
This commit is contained in:
Ruslan Bukin 2018-04-06 13:04:17 -07:00 committed by Jim Wilson
parent e889aa0a96
commit 4d47fe5a8f
5 changed files with 80 additions and 1 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-04-06 Ruslan Bukin <br@bsdpad.com>
Kito Cheng <kito.cheng@gmail.com>
* config.gcc (riscv*-*-freebsd*): Add RISC-V FreeBSD support.
* config/riscv/freebsd.h: New.
2018-04-06 Chung-Ju Wu <jasonwucj@gmail.com>
* config/nds32/nds32.c (nds32_adjust_insn_length): Refine.
@ -10043,4 +10049,6 @@
Copyright (C) 2018 Free Software Foundation, Inc.
Copying and distribu
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.

9
gcc/config.gcc
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@ -2089,6 +2089,15 @@ riscv*-*-elf* | riscv*-*-rtems*)
;;
esac
;;
riscv*-*-freebsd*)
tm_file="${tm_file} elfos.h ${fbsd_tm_file} riscv/freebsd.h"
tmake_file="${tmake_file} riscv/t-riscv"
gnu_ld=yes
gas=yes
# Force .init_array support. The configure script cannot always
# automatically detect that GAS supports it, yet we require it.
gcc_cv_initfini_array=yes
;;
mips*-*-netbsd*) # NetBSD/mips, either endian.
target_cpu_default="MASK_ABICALLS"
tm_file="elfos.h ${tm_file} mips/elf.h ${nbsd_tm_file} mips/netbsd.h"

54
gcc/config/riscv/freebsd.h Normal file
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@ -0,0 +1,54 @@
/* Definitions for RISC-V FreeBSD systems with ELF format.
Copyright (C) 2018 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/>. */
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }
#undef CC1_SPEC
#define CC1_SPEC "%(cc1_cpu) %{profile:-p}"
/* Provide a LINK_SPEC appropriate for FreeBSD. Here we provide support
for the special GCC options -static and -shared, which allow us to
link things in one of these three modes by applying the appropriate
combinations of options at link-time.
When the -shared link option is used a final link is not being
done. */
#undef LINK_SPEC
#define LINK_SPEC " \
-melf" XLEN_SPEC "lriscv \
%{p:%nconsider using `-pg' instead of `-p' with gprof (1) } \
%{v:-V} \
%{assert*} %{R*} %{rpath*} %{defsym*} \
%{shared:-Bshareable %{h*} %{soname*}} \
%{symbolic:-Bsymbolic} \
%{static:-Bstatic} \
%{!shared: \
%{!static: \
%{rdynamic:-export-dynamic} \
-dynamic-linker " FBSD_DYNAMIC_LINKER "} \
%{static:-static}}"

4
libgcc/ChangeLog
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@ -1,3 +1,7 @@
2018-04-06 Ruslan Bukin <br@bsdpad.com>
* config.host (riscv*-*-freebsd*): Add RISC-V FreeBSD support.
2018-03-29 H.J. Lu <hongjiu.lu@intel.com>
PR target/85100

4
libgcc/config.host
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@ -1128,6 +1128,10 @@ riscv*-*-linux*)
extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o crtendS.o crtbeginT.o"
md_unwind_header=riscv/linux-unwind.h
;;
riscv*-*-freebsd*)
tmake_file="${tmake_file} riscv/t-softfp${host_address} t-softfp riscv/t-elf riscv/t-elf${host_address}"
extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o crtendS.o crtbeginT.o"
;;
riscv*-*-*)
tmake_file="${tmake_file} riscv/t-softfp${host_address} t-softfp riscv/t-elf riscv/t-elf${host_address}"
extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o"