[PATCH] Add support for Fuchsia (OS)
Josh Conner
joshconner@google.com
Thu Dec 8 22:55:00 GMT 2016
This patch adds support to gcc for the Fuchsia OS
(https://fuchsia.googlesource.com/).
OK for mainline?
Thanks -
Josh
2016-12-08 Joshua Conner <joshconner@google.com>
* config/arm/fuchsia-elf.h: New file.
* config/fuchsia.h: New file.
* config.gcc (*-*-fuchsia*): Set native_system_header_dir.
(aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
targets.
* config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
-------------- next part --------------
Index: gcc/config/arm/fuchsia-elf.h
===================================================================
--- gcc/config/arm/fuchsia-elf.h (revision 0)
+++ gcc/config/arm/fuchsia-elf.h (working copy)
@@ -0,0 +1,31 @@
+/* Configuration file for ARM Fuchsia ELF targets.
+ Copyright (C) 2016 Free Software Foundation, Inc.
+ Contributed by Google.
+
+ 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/>. */
+
+/* Use the BPABI builtins and the generic OS builtins. */
+#undef TARGET_SUB_OS_CPP_BUILTINS
+#define TARGET_SUB_OS_CPP_BUILTINS() \
+ TARGET_BPABI_CPP_BUILTINS()
+
+/* Use the AAPCS ABI by default. */
+#undef ARM_DEFAULT_ABI
+#define ARM_DEFAULT_ABI ARM_ABI_AAPCS
+
+#define ARM_TARGET2_DWARF_FORMAT (DW_EH_PE_pcrel | DW_EH_PE_indirect)
+
Index: gcc/config/fuchsia.h
===================================================================
--- gcc/config/fuchsia.h (revision 0)
+++ gcc/config/fuchsia.h (working copy)
@@ -0,0 +1,64 @@
+/* Base configuration file for all Fuchsia targets.
+ Copyright (C) 2016 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/>. */
+
+/* Common Fuchsia configuration. */
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "%{!shared: crt1%O%s} crtbegin%O%s"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "crtend%O%s"
+
+/* Build with PIC by default. */
+#undef CC1_SPEC
+#define CC1_SPEC "%{!fno-pic:%{!fno-PIC:%{!fpic:%{!fPIC: -fPIC}}}}"
+
+#undef LIB_SPEC
+#define LIB_SPEC "-lmxio -lmagenta -lc -llaunchpad" \
+ "%{!static: -lgcc_s}"
+
+#undef LINK_SPEC
+#define LINK_SPEC "-z max-page-size=4096" \
+ " -z combreloc" \
+ " -z relro" \
+ " -z now" \
+ " -z text" \
+ "%{!hash-style: --hash-style=gnu}" \
+ "%{!no-eh-frame-hdr: --eh-frame-hdr}" \
+ "%{!no-build-id: --build-id}" \
+ "%{shared: -shared}" \
+ "%{!shared:%{!static:%{!dynamic-linker: -dynamic-linker=ld.so.1}}}"
+
+/* We are using MUSL as our libc. */
+#undef OPTION_MUSL
+#define OPTION_MUSL 1
+
+#ifndef TARGET_SUB_OS_CPP_BUILTINS
+#define TARGET_SUB_OS_CPP_BUILTINS()
+#endif
+
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__fuchsia__"); \
+ TARGET_SUB_OS_CPP_BUILTINS(); \
+ } \
+ while (false)
+
Index: gcc/config.gcc
===================================================================
--- gcc/config.gcc (revision 243452)
+++ gcc/config.gcc (working copy)
@@ -706,6 +706,9 @@
esac
use_gcc_stdint=wrap
;;
+*-*-fuchsia*)
+ native_system_header_dir=/include
+ ;;
*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu)
extra_options="$extra_options gnu-user.opt"
gas=yes
@@ -908,7 +911,7 @@
esac
case ${target} in
-aarch64*-*-elf | aarch64*-*-rtems*)
+aarch64*-*-elf | aarch64*-*-fuchsia* | aarch64*-*-rtems*)
tm_file="${tm_file} dbxelf.h elfos.h newlib-stdint.h"
tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-elf-raw.h"
tmake_file="${tmake_file} aarch64/t-aarch64"
@@ -916,6 +919,9 @@
aarch64-*-elf*)
use_gcc_stdint=wrap
;;
+ aarch64-*-fuchsia*)
+ tm_file="${tm_file} fuchsia.h"
+ ;;
aarch64-*-rtems*)
tm_file="${tm_file} rtems.h aarch64/rtems.h"
;;
@@ -1119,7 +1125,7 @@
tmake_file="${tmake_file} arm/t-arm arm/t-bpabi arm/t-phoenix"
target_cpu_cname="arm7tdmi"
;;
-arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtems*)
+arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtems* | arm*-*-fuchsia*)
case ${target} in
arm*eb-*-eabi*)
tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
@@ -1134,6 +1140,10 @@
tmake_file="${tmake_file} arm/t-bpabi"
use_gcc_stdint=wrap
;;
+ arm*-*-fuchsia*)
+ tm_file="${tm_file} fuchsia.h arm/fuchsia-elf.h glibc-stdint.h"
+ tmake_file="${tmake_file} arm/t-bpabi"
+ ;;
arm*-*-rtems*)
tm_file="${tm_file} rtems.h arm/rtems.h newlib-stdint.h"
tmake_file="${tmake_file} arm/t-bpabi arm/t-rtems"
@@ -1777,6 +1787,10 @@
;;
esac
;;
+x86_64-*-fuchsia*)
+ tmake_file="${tmake_file} i386/t-x86_64-elf"
+ tm_file="${tm_file} i386/unix.h i386/att.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h fuchsia.h"
+ ;;
ia64*-*-elf*)
tm_file="${tm_file} dbxelf.h elfos.h newlib-stdint.h ia64/sysv4.h ia64/elf.h"
tmake_file="ia64/t-ia64"
Index: gcc/config.host
===================================================================
--- gcc/config.host (revision 243452)
+++ gcc/config.host (working copy)
@@ -99,7 +99,7 @@
esac
case ${host} in
- aarch64*-*-freebsd* | aarch64*-*-linux*)
+ aarch64*-*-freebsd* | aarch64*-*-linux* | aarch64*-*-fuchsia*)
case ${target} in
aarch64*-*-*)
host_extra_gcc_objs="driver-aarch64.o"
@@ -107,7 +107,7 @@
;;
esac
;;
- arm*-*-freebsd* | arm*-*-linux*)
+ arm*-*-freebsd* | arm*-*-linux* | arm*-*-fuchsia*)
case ${target} in
arm*-*-*)
host_extra_gcc_objs="driver-arm.o"
More information about the Gcc-patches
mailing list