[ARC] Fix PIE.

gcc/
2016-12-05  Cupertino Miranda  <cmiranda@synopsys.com>

	* config/arc/arc.h (STARTFILE_SPEC): Use default linux specs.
	(ENDFILE_SPEC): Likewise.

libgcc/
2016-12-05  Cupertino Miranda  <cmiranda@synopsys.com>

	* config.host (arc*-*-linux-uclibc*): Use default extra
	objects. Include linux-android header.
	* config/arc/crti.S (_init): Declare symbol as function.
	(_fini): Likewise.

From-SVN: r243245

gcc/ChangeLog

+2016-12-05  Cupertino Miranda  <cmiranda@synopsys.com>
+
+	* config/arc/arc.h (STARTFILE_SPEC): Use default linux specs.
+	(ENDFILE_SPEC): Likewise.
+
 2016-12-05  Claudiu Zissulescu  <claziss@synopsys.com>
 
 	* config/arc/arc-protos.h (insn_is_tls_gd_dispatch): Remove.

gcc/config.gcc

@@ -1023,7 +1023,7 @@ arc*-*-elf*)
 	;;
 arc*-*-linux-uclibc*)
 	extra_headers="arc-simd.h"
-	tm_file="arc/arc-arch.h dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h ${tm_file}"
+	tm_file="arc/arc-arch.h dbxelf.h elfos.h gnu-user.h linux.h linux-android.h glibc-stdint.h ${tm_file}"
 	tmake_file="${tmake_file} arc/t-uClibc arc/t-arc"
 	tm_defines="${tm_defines} TARGET_SDATA_DEFAULT=0"
 	tm_defines="${tm_defines} TARGET_MMEDIUM_CALLS_DEFAULT=1"

gcc/config/arc/arc.h

@@ -138,17 +138,15 @@ extern const char *arc_cpu_to_as (int argc, const char **argv);
 #define STARTFILE_SPEC "%{!shared:crt0.o%s} crti%O%s %{pg|p:crtg.o%s} " \
   "%(arc_tls_extra_start_spec) crtbegin.o%s"
 #else
-#define STARTFILE_SPEC   "%{!shared:%{!mkernel:crt1.o%s}} crti.o%s \
-  %{!shared:%{pg|p|profile:crtg.o%s} crtbegin.o%s} %{shared:crtbeginS.o%s}"
-
+#define STARTFILE_SPEC							\
+  LINUX_OR_ANDROID_LD (GNU_USER_TARGET_STARTFILE_SPEC, ANDROID_STARTFILE_SPEC)
 #endif
 
 #if DEFAULT_LIBC != LIBC_UCLIBC
 #define ENDFILE_SPEC "%{pg|p:crtgend.o%s} crtend.o%s crtn%O%s"
 #else
-#define ENDFILE_SPEC "%{!shared:%{pg|p|profile:crtgend.o%s} crtend.o%s} \
-  %{shared:crtendS.o%s} crtn.o%s"
-
+#define ENDFILE_SPEC							\
+  LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC)
 #endif
 
 #if DEFAULT_LIBC == LIBC_UCLIBC

libgcc/ChangeLog

+2016-12-05  Cupertino Miranda  <cmiranda@synopsys.com>
+
+	* config.host (arc*-*-linux-uclibc*): Use default extra
+	objects. Include linux-android header.
+	* config/arc/crti.S (_init): Declare symbol as function.
+	(_fini): Likewise.
+
 2016-12-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	PR fortran/78379

libgcc/config.host

@@ -374,8 +374,8 @@ arc*-*-elf*)
 	;;
 arc*-*-linux-uclibc*)
 	tmake_file="${tmake_file} t-slibgcc-libgcc t-slibgcc-nolc-override arc/t-arc700-uClibc arc/t-arc"
-	extra_parts="crti.o crtn.o crtend.o crtbegin.o crtendS.o crtbeginS.o libgmon.a crtg.o crtgend.o"
-	extra_parts="${extra_parts} crttls.o"
+	extra_parts="$extra_parts crti.o crtn.o libgmon.a crtg.o crtgend.o"
+	extra_parts="$extra_parts crttls.o"
 	;;
 arm-wrs-vxworks)
 	tmake_file="$tmake_file arm/t-arm arm/t-elf t-softfp-sfdf t-softfp-excl arm/t-softfp t-softfp"

libgcc/config/arc/crti.S

@@ -31,11 +31,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 	.section .init
 	.global _init
 	.word 0
+	.type	_init,@function
 _init:
 	push_s	blink
 
 	.section .fini
 	.global _fini
 	.word 0
+	.type	_fini,@function
 _fini:
 	push_s	blink