fuchsia-elf.h: New file.

2017-01-10  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.

From-SVN: r244281

5 files changed, 127 insertions, 4 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5fdb85c..fb43141 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2017-01-10  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. 
+
 2016-01-10  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/79034
diff --git a/gcc/config.gcc b/gcc/config.gcc
index bb25d54..5413246 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -708,6 +708,9 @@ case ${target} in
   esac
   use_gcc_stdint=wrap
   ;;
+*-*-fuchsia*)
+  native_system_header_dir=/include
+  ;;
 *-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu)
   extra_options="$extra_options gnu-user.opt"
   gas=yes
@@ -910,7 +913,7 @@ case ${target} in
 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"
@@ -918,6 +921,9 @@ aarch64*-*-elf | aarch64*-*-rtems*)
 	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"
 		;;
@@ -1121,7 +1127,7 @@ arm*-*-phoenix*)
 	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"
@@ -1136,6 +1142,11 @@ arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtems*)
 	  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="${tmake_file} arm/t-bpabi"
+	  target_cpu_cname="genericv7a"
+	  ;;
 	arm*-*-rtems*)
 	  tm_file="${tm_file} rtems.h arm/rtems.h newlib-stdint.h"
 	  tmake_file="${tmake_file} arm/t-bpabi arm/t-rtems"
@@ -1779,6 +1790,10 @@ i[34567]86-*-mingw* | x86_64-*-mingw*)
 			;;
 	esac
 	;;
+x86_64-*-fuchsia*)
+	tmake_file="${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"
diff --git a/gcc/config.host b/gcc/config.host
index 60e7405..6b28f30 100644
--- a/gcc/config.host
+++ b/gcc/config.host
@@ -99,7 +99,7 @@ case ${host} in
 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 @@ case ${host} in
 	;;
     esac
     ;;
-  arm*-*-freebsd* | arm*-*-linux*)
+  arm*-*-freebsd* | arm*-*-linux* | arm*-*-fuchsia*)
     case ${target} in
       arm*-*-*)
 	host_extra_gcc_objs="driver-arm.o"
diff --git a/gcc/config/arm/fuchsia-elf.h b/gcc/config/arm/fuchsia-elf.h
new file mode 100644
index 0000000..d4e69ea
--- /dev/null
+++ b/gcc/config/arm/fuchsia-elf.h
@@ -0,0 +1,31 @@
+/* Configuration file for ARM Fuchsia ELF targets.
+   Copyright (C) 2017 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)
+
diff --git a/gcc/config/fuchsia.h b/gcc/config/fuchsia.h
new file mode 100644
index 0000000..5b3e186
--- /dev/null
+++ b/gcc/config/fuchsia.h
@@ -0,0 +1,68 @@
+/* Base configuration file for all Fuchsia targets.
+   Copyright (C) 2017 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/>.  */
+
+/* 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"
+
+/* When neither pic nor pie has been specified, use PIE.  */
+#undef  CC1_SPEC
+#define CC1_SPEC "%{!fno-pic:%{!fno-PIC:%{!fpic:%{!fPIC:" \
+                   "%{!fno-pie:%{!fno-PIE:%{!fpie:%{!fPIE: -fPIE}}}}}}}}"
+
+#undef  LIB_SPEC
+#define LIB_SPEC "--start-group" \
+		 " -lmxio -lmagenta -lc -llaunchpad" \
+		 "%{!static: -lgcc_s}" \
+		 " --end-group"
+
+#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)
+