aarch64-linux.h (GLIBC_DYNAMIC_LINKER): /lib/ld-linux32-aarch64.so.1 is used for ILP32.

2014-06-02  Andrew Pinski  <apinski@cavium.com>
    
	* config/aarch64/aarch64-linux.h (GLIBC_DYNAMIC_LINKER):
	/lib/ld-linux32-aarch64.so.1 is used for ILP32.
	(LINUX_TARGET_LINK_SPEC): Update linker script for ILP32.
	file whose name depends on -mabi= and -mbig-endian.
	* config/aarch64/t-aarch64-linux (MULTILIB_OSDIRNAMES):
	Handle LP64 better and handle ilp32 too.
	(MULTILIB_OPTIONS): Delete.
	(MULTILIB_DIRNAMES): Delete.

From-SVN: r211148

gcc/ChangeLog

+2014-06-02  Andrew Pinski  <apinski@cavium.com>
+    
+	* config/aarch64/aarch64-linux.h (GLIBC_DYNAMIC_LINKER): /lib/ld-linux32-aarch64.so.1
+	is used for ILP32.
+	(LINUX_TARGET_LINK_SPEC): Update linker script for ILP32.
+	file whose name depends on -mabi= and -mbig-endian.
+	* config/aarch64/t-aarch64-linux (MULTILIB_OSDIRNAMES): Handle LP64 better
+	and handle ilp32 too.
+	(MULTILIB_OPTIONS): Delete.
+	(MULTILIB_DIRNAMES): Delete.
+
 2014-06-02  Andrew MacLeod  <amacleod@redhat.com>
 
 	* expr.h: Remove prototypes of functions defined in builtins.c.

gcc/config/aarch64/aarch64-linux.h

@@ -21,7 +21,7 @@
 #ifndef GCC_AARCH64_LINUX_H
 #define GCC_AARCH64_LINUX_H
 
-#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}.so.1"
+#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}%{mabi=ilp32:_ilp32}.so.1"
 
 #define CPP_SPEC "%{pthread:-D_REENTRANT}"
 
@@ -33,7 +33,7 @@
    -dynamic-linker " GNU_USER_DYNAMIC_LINKER "	\
    -X						\
    %{mbig-endian:-EB} %{mlittle-endian:-EL}     \
-   -maarch64linux%{mbig-endian:b}"
+   -maarch64linux%{mabi=ilp32:32}%{mbig-endian:b}"
 
 #define LINK_SPEC LINUX_TARGET_LINK_SPEC
 

gcc/config/aarch64/t-aarch64-linux

@@ -22,10 +22,7 @@ LIB1ASMSRC   = aarch64/lib1funcs.asm
 LIB1ASMFUNCS = _aarch64_sync_cache_range
 
 AARCH_BE = $(if $(findstring TARGET_BIG_ENDIAN_DEFAULT=1, $(tm_defines)),_be)
-MULTILIB_OSDIRNAMES = .=../lib64$(call if_multiarch,:aarch64$(AARCH_BE)-linux-gnu)
+MULTILIB_OSDIRNAMES = mabi.lp64=../lib64$(call if_multiarch,:aarch64$(AARCH_BE)-linux-gnu)
 MULTIARCH_DIRNAME = $(call if_multiarch,aarch64$(AARCH_BE)-linux-gnu)
 
-# Disable the multilib for linux-gnu targets for the time being; focus
-# on the baremetal targets.
-MULTILIB_OPTIONS    =
-MULTILIB_DIRNAMES   =
+MULTILIB_OSDIRNAMES += mabi.ilp32=../libilp32