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haiku: Add riscv arch support

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Change-Id: Ifa5b93cb959798d74ed045f53f5050651f409314
Reviewed-on: https://review.haiku-os.org/c/1062
Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
This commit is contained in:
Alexander von Gluck IV 2019-02-16 19:48:08 -06:00 committed by Alex von Gluck IV
parent 198e0fde5e
commit abcbee7bba
3 changed files with 61 additions and 0 deletions
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4
gcc/gcc/config.gcc
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@ -2068,6 +2068,10 @@ microblaze*-*-elf)
cxx_target_objs="${cxx_target_objs} microblaze-c.o"
tmake_file="${tmake_file} microblaze/t-microblaze"
;;
riscv*-*-haiku*)
tm_file="elfos.h haiku.h ${tm_file} riscv/haiku.h"
tmake_file="${tmake_file} t-haiku riscv/t-riscv riscv/t-haiku"
;;
riscv*-*-linux*)
tm_file="elfos.h gnu-user.h linux.h glibc-stdint.h ${tm_file} riscv/linux.h"
case "x${enable_multilib}" in

54
gcc/gcc/config/riscv/haiku.h Normal file
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@ -0,0 +1,54 @@
/* Definitions for RISC-V Haiku systems with ELF format.
Copyright (C) 1998-2017 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/>. */
#undef TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
builtin_define ("__HAIKU__"); \
if (POINTER_SIZE == 64) \
builtin_define ("__riscv64__"); \
else \
builtin_define ("__riscv32__"); \
builtin_define ("__RISCV__"); \
builtin_define ("__riscv__"); \
builtin_define ("__stdcall=__attribute__((__stdcall__))"); \
builtin_define ("__cdecl=__attribute__((__cdecl__))"); \
builtin_define ("__STDC_ISO_10646__=201103L"); \
builtin_assert ("system=haiku"); \
} \
while (0)
#define MUSL_ABI_SUFFIX \
"%{mabi=ilp32:-sf}" \
"%{mabi=ilp32f:-sp}" \
"%{mabi=ilp32d:}" \
"%{mabi=lp64:-sf}" \
"%{mabi=lp64f:-sp}" \
"%{mabi=lp64d:}" \
/* Because RISC-V only has word-sized atomics, it requries libatomic where
others do not. So link libatomic by default, as needed. */
#undef LIB_SPEC
#define LIB_SPEC " -lroot -latomic "
#define ICACHE_FLUSH_FUNC "__riscv_flush_icache"
#undef LINK_SPEC
#define LINK_SPEC "%{!o*:-o %b} -melf" XLEN_SPEC "lriscv %{!r:-shared} %{nostart:-e 0} %{shared:-e 0} %{!shared: %{!nostart: -no-undefined}} -X"

3
gcc/gcc/config/riscv/t-haiku Normal file
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@ -0,0 +1,3 @@
# Only XLEN and ABI affect Linux multilib dir names, e.g. /lib32/ilp32d/
MULTILIB_DIRNAMES := $(patsubst rv32%,lib32,$(patsubst rv64%,lib64,$(MULTILIB_DIRNAMES)))
MULTILIB_OSDIRNAMES := $(patsubst lib%,../lib%,$(MULTILIB_DIRNAMES))