aarch64: Add ILP32 support

Add support for the ILP32 abi variant to aarch64.

2017-09-01  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
	    Yury Norov  <ynorov@caviumnetworks.com>
	    Steve Ellcey  <sellcey@caviumnetworks.com>

	* elf/cache.c (print_entry): Add FLAG_AARCH64_LIB32.
	* sysdeps/aarch64/configure.ac (HAVE_AARCH64_ILP32): New define.
	(default-abi): Allow for ilp32 ABI.
	* sysdeps/aarch64/configure: Regenerate.
	* sysdeps/aarch64/Implies: Deleted.
	* sysdeps/aarch64/ilp32/Implies: New file.
	* sysdeps/aarch64/ilp32/Implies-after: New file.
	* sysdeps/aarch64/lp64/Implies: New file.
	* sysdeps/aarch64/lp64/Implies-after: New file.
	* sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h
	(__PTHREAD_RWLOCK_INT_FLAGS_SHARED): Set to 1.
	* sysdeps/aarch64/preconfigure (machine): Check for ilp32/lp64.
	* sysdeps/aarch64/tls-macros.h (TLS_IE): Remove register specification
	for __result and ifdef for ILP32.
	* sysdeps/generic/ldconfig.h (FLAG_AARCH64_LIB32): New define.
	* sysdeps/unix/sysv/linux/aarch64/Implies: Remove generic and
	wordsize-64 entries.
	* sysdeps/unix/sysv/linux/aarch64/Makefile (abi-variants): Add
	new variants for ilp32 and ilp32_be.
	(abi-lp64-condition, abi-lp64_be-condition): Check for __WORDSIZE
	equal to 64.
	(abi-ilp32-condition, abi-ilp32_be-condition): New.
	* sysdeps/unix/sysv/linux/aarch64/configure.ac (arch_minimum_kernel):
	Use different value for ILP32.
	(LIBC_SLIBDIR_RTLDDIR): Modify for ILP32.
	* sysdeps/unix/sysv/linux/aarch64/configure: Regenerate.
	* sysdeps/unix/sysv/linux/aarch64/ilp32/Implies: New file.
	* sysdeps/unix/sysv/linux/aarch64/ilp32/c++-types.data: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/ilp32/kernel_stat.h: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/ilp32/shlib-versions: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/bits/statfs.h: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/bits/typesizes.h: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/bits/utmp.h: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/bits/utmpx.h: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/kernel-features.h: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/Implies: Add unix/sysv/linux/aarch64.
	* sysdeps/unix/sysv/linux/aarch64/ioctl.S: Move to lp64 directory.
	* sysdeps/unix/sysv/linux/aarch64/mmap.c: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/shlib-versions: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/c++-types.data: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/ldd-rewrite.sed: Likewise.
	* sysdeps/unix/sysv/linux/aarch64/ipc_priv.h (__IPC_64): Check __ILP32
	when setting.
	* sysdeps/unix/sysv/linux/arm/readelflib.c (process_elf_file):
	Check for EM_AARCH64 when processing ELFCLASS32 object.
	* sysdeps/unix/sysv/linux/bits/fcntl-linux.h (F_GETLK, F_SETLCK,
	F_SETLKW): Check for __OFF_T_MATCHES_OFF64_T when defining.

1 files changed, 88 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/linux/aarch64/bits/typesizes.h b/sysdeps/unix/sysv/linux/aarch64/bits/typesizes.h
new file mode 100644
index 0000000000..e3975c762c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/aarch64/bits/typesizes.h
@@ -0,0 +1,88 @@
+/* bits/typesizes.h -- underlying types for *_t.  Linux/AArch64 version.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_H
+# error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead."
+#endif
+
+#ifndef	_BITS_TYPESIZES_H
+#define _BITS_TYPESIZES_H	1
+
+/* See <bits/types.h> for the meaning of these macros.  This file exists so
+   that <bits/types.h> need not vary across different GNU platforms.  */
+
+#define __DEV_T_TYPE		__UQUAD_TYPE
+#define __UID_T_TYPE		__U32_TYPE
+#define __GID_T_TYPE		__U32_TYPE
+#define __INO_T_TYPE		__UQUAD_TYPE
+#define __INO64_T_TYPE		__UQUAD_TYPE
+#define __MODE_T_TYPE		__U32_TYPE
+#define __NLINK_T_TYPE		__U32_TYPE
+#define __OFF_T_TYPE		__SQUAD_TYPE
+#define __OFF64_T_TYPE		__SQUAD_TYPE
+#define __PID_T_TYPE		__S32_TYPE
+#define __RLIM_T_TYPE		__UQUAD_TYPE
+#define __RLIM64_T_TYPE		__UQUAD_TYPE
+#define __BLKCNT_T_TYPE		__SQUAD_TYPE
+#define __BLKCNT64_T_TYPE	__SQUAD_TYPE
+#define __FSBLKCNT_T_TYPE	__UQUAD_TYPE
+#define __FSBLKCNT64_T_TYPE	__UQUAD_TYPE
+#define __FSFILCNT_T_TYPE	__UQUAD_TYPE
+#define __FSFILCNT64_T_TYPE	__UQUAD_TYPE
+#define __FSWORD_T_TYPE		__SWORD_TYPE
+#define __ID_T_TYPE		__U32_TYPE
+#define __CLOCK_T_TYPE		__SLONGWORD_TYPE
+#define __TIME_T_TYPE		__SLONGWORD_TYPE
+#define __USECONDS_T_TYPE	__U32_TYPE
+#define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
+#define __DADDR_T_TYPE		__S32_TYPE
+#define __KEY_T_TYPE		__S32_TYPE
+#define __CLOCKID_T_TYPE	__S32_TYPE
+#define __TIMER_T_TYPE		void *
+#define __BLKSIZE_T_TYPE	__S32_TYPE
+#define __FSID_T_TYPE		struct { int __val[2]; }
+/* ssize_t is always singed long in both ABIs. */
+#define __SSIZE_T_TYPE		__SLONGWORD_TYPE
+#define __SYSCALL_SLONG_TYPE	__SLONGWORD_TYPE
+#define __SYSCALL_ULONG_TYPE	__ULONGWORD_TYPE
+#define __CPU_MASK_TYPE         __ULONGWORD_TYPE
+
+/* Tell the libc code that off_t and off64_t are actually the same type
+   for all ABI purposes, even if possibly expressed as different base types
+   for C type-checking purposes.  */
+#define __OFF_T_MATCHES_OFF64_T				1
+
+/* Same for ino_t and ino64_t.  */
+#define __INO_T_MATCHES_INO64_T				1
+
+/* And for rlim_t and rlim64_t.  */
+#define __RLIM_T_MATCHES_RLIM64_T			1
+
+/* And for __blkcnt_t and __blkcnt64_t.  */
+#define __BLKCNT_T_TYPE_MATCHES_BLKCNT64_T_TYPE	1
+
+/* And for __fsblkcnt_t and __fsblkcnt64_t.  */
+#define __FSBLKCNT_T_TYPE_MATCHES_FSBLKCNT64_T_TYPE	1
+
+/* And for __fsbilcnt_t and __fsbilcnt64_t.  */
+#define __FSFILCNT_T_TYPE_MATCHES_FSFILCNT64_T_TYPE	1
+
+/* Number of descriptors that can fit in an `fd_set'.  */
+#define __FD_SETSIZE		1024
+
+#endif /* bits/typesizes.h */