UAPI headers for arm64 together with some clean-up to make it possible:

- Do not export the COMPAT_* definitions to user
 - Simplify the compat unistd32.h definitions and remove the
   __SYSCALL_COMPAT guard
 - Disintegrate the arch/arm64/include/asm/* headers
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Merge tag 'arm64-uapi' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64

Pull arm64 uapi disintegration from Catalin Marinas:
 "UAPI headers for arm64 together with some clean-up to make it
  possible:
   - Do not export the COMPAT_* definitions to user
   - Simplify the compat unistd32.h definitions and remove the
     __SYSCALL_COMPAT guard
   - Disintegrate the arch/arm64/include/asm/* headers"

* tag 'arm64-uapi' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
  UAPI: (Scripted) Disintegrate arch/arm64/include/asm
  arm64: Do not export the compat-specific definitions to the user
  arm64: Do not include asm/unistd32.h in asm/unistd.h
  arm64: Remove unused definitions from asm/unistd32.h

arch/arm64/include/asm/Kbuild

@@ -1,6 +1,4 @@
-include include/asm-generic/Kbuild.asm
 
-header-y += hwcap.h
 
 generic-y += bug.h
 generic-y += bugs.h

arch/arm64/include/asm/hwcap.h

@@ -16,11 +16,7 @@
 #ifndef __ASM_HWCAP_H
 #define __ASM_HWCAP_H
 
-/*
+#include <uapi/asm/hwcap.h>
- * HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP
- */
-#define HWCAP_FP		(1 << 0)
-#define HWCAP_ASIMD		(1 << 1)
 
 #define COMPAT_HWCAP_HALF	(1 << 1)
 #define COMPAT_HWCAP_THUMB	(1 << 2)
@@ -35,7 +31,6 @@
 #define COMPAT_HWCAP_IDIVT	(1 << 18)
 #define COMPAT_HWCAP_IDIV	(COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT)
 
-#ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 /*
  * This yields a mask that user programs can use to figure out what
@@ -51,5 +46,3 @@
 extern unsigned int elf_hwcap;
 #endif
 #endif
-
-#endif

arch/arm64/include/asm/ptrace.h

@@ -19,9 +19,7 @@
 #ifndef __ASM_PTRACE_H
 #define __ASM_PTRACE_H
 
-#include <linux/types.h>
+#include <uapi/asm/ptrace.h>
-
-#include <asm/hwcap.h>
 
 /* AArch32-specific ptrace requests */
 #define COMPAT_PTRACE_GETREGS		12
@@ -32,80 +30,18 @@
 #define COMPAT_PTRACE_SETVFPREGS	28
 #define COMPAT_PTRACE_GETHBPREGS	29
 #define COMPAT_PTRACE_SETHBPREGS	30
-
-/*
- * PSR bits
- */
-#define PSR_MODE_EL0t	0x00000000
-#define PSR_MODE_EL1t	0x00000004
-#define PSR_MODE_EL1h	0x00000005
-#define PSR_MODE_EL2t	0x00000008
-#define PSR_MODE_EL2h	0x00000009
-#define PSR_MODE_EL3t	0x0000000c
-#define PSR_MODE_EL3h	0x0000000d
-#define PSR_MODE_MASK	0x0000000f
-
-/* AArch32 CPSR bits */
-#define PSR_MODE32_BIT		0x00000010
 #define COMPAT_PSR_MODE_USR	0x00000010
 #define COMPAT_PSR_T_BIT	0x00000020
 #define COMPAT_PSR_IT_MASK	0x0600fc00	/* If-Then execution state mask */
-
-/* AArch64 SPSR bits */
-#define PSR_F_BIT	0x00000040
-#define PSR_I_BIT	0x00000080
-#define PSR_A_BIT	0x00000100
-#define PSR_D_BIT	0x00000200
-#define PSR_Q_BIT	0x08000000
-#define PSR_V_BIT	0x10000000
-#define PSR_C_BIT	0x20000000
-#define PSR_Z_BIT	0x40000000
-#define PSR_N_BIT	0x80000000
-
-/*
- * Groups of PSR bits
- */
-#define PSR_f		0xff000000	/* Flags		*/
-#define PSR_s		0x00ff0000	/* Status		*/
-#define PSR_x		0x0000ff00	/* Extension		*/
-#define PSR_c		0x000000ff	/* Control		*/
-
 /*
  * These are 'magic' values for PTRACE_PEEKUSR that return info about where a
  * process is located in memory.
  */
-#define PT_TEXT_ADDR		0x10000
+#define COMPAT_PT_TEXT_ADDR		0x10000
-#define PT_DATA_ADDR		0x10004
+#define COMPAT_PT_DATA_ADDR		0x10004
-#define PT_TEXT_END_ADDR	0x10008
+#define COMPAT_PT_TEXT_END_ADDR		0x10008
-
 #ifndef __ASSEMBLY__
 
-/*
- * User structures for general purpose, floating point and debug registers.
- */
-struct user_pt_regs {
-	__u64		regs[31];
-	__u64		sp;
-	__u64		pc;
-	__u64		pstate;
-};
-
-struct user_fpsimd_state {
-	__uint128_t	vregs[32];
-	__u32		fpsr;
-	__u32		fpcr;
-};
-
-struct user_hwdebug_state {
-	__u32		dbg_info;
-	struct {
-		__u64	addr;
-		__u32	ctrl;
-	}		dbg_regs[16];
-};
-
-#ifdef __KERNEL__
-
 /* sizeof(struct user) for AArch32 */
 #define COMPAT_USER_SZ	296
 /* AArch32 uses x13 as the stack pointer... */
@@ -200,8 +136,5 @@ extern unsigned long profile_pc(struct pt_regs *regs);
 
 extern int aarch32_break_trap(struct pt_regs *regs);
 
-#endif /* __KERNEL__ */
-
 #endif /* __ASSEMBLY__ */
-
 #endif

arch/arm64/include/asm/sigcontext.h

@@ -16,44 +16,8 @@
 #ifndef __ASM_SIGCONTEXT_H
 #define __ASM_SIGCONTEXT_H
 
-#include <linux/types.h>
+#include <uapi/asm/sigcontext.h>
 
-/*
- * Signal context structure - contains all info to do with the state
- * before the signal handler was invoked.
- */
-struct sigcontext {
-	__u64 fault_address;
-	/* AArch64 registers */
-	__u64 regs[31];
-	__u64 sp;
-	__u64 pc;
-	__u64 pstate;
-	/* 4K reserved for FP/SIMD state and future expansion */
-	__u8 __reserved[4096] __attribute__((__aligned__(16)));
-};
-
-/*
- * Header to be used at the beginning of structures extending the user
- * context. Such structures must be placed after the rt_sigframe on the stack
- * and be 16-byte aligned. The last structure must be a dummy one with the
- * magic and size set to 0.
- */
-struct _aarch64_ctx {
-	__u32 magic;
-	__u32 size;
-};
-
-#define FPSIMD_MAGIC	0x46508001
-
-struct fpsimd_context {
-	struct _aarch64_ctx head;
-	__u32 fpsr;
-	__u32 fpcr;
-	__uint128_t vregs[32];
-};
-
-#ifdef __KERNEL__
 /*
  * Auxiliary context saved in the sigcontext.__reserved array. Not exported to
  * user space as it will change with the addition of new context. User space
@@ -65,5 +29,3 @@ struct aux_context {
 	struct _aarch64_ctx end;
 };
 #endif
-
-#endif

arch/arm64/include/asm/stat.h

@@ -16,9 +16,8 @@
 #ifndef __ASM_STAT_H
 #define __ASM_STAT_H
 
-#include <asm-generic/stat.h>
+#include <uapi/asm/stat.h>
 
-#ifdef __KERNEL__
 #ifdef CONFIG_COMPAT
 
 #include <asm/compat.h>
@@ -60,5 +59,3 @@ struct stat64 {
 
 #endif
 #endif
-
-#endif

arch/arm64/include/asm/unistd.h

@@ -13,13 +13,17 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-
-#ifndef __SYSCALL_COMPAT
-#include <asm-generic/unistd.h>
-#endif
-
-#ifdef __KERNEL__
 #ifdef CONFIG_COMPAT
-#include <asm/unistd32.h>
+#define __ARCH_WANT_COMPAT_IPC_PARSE_VERSION
-#endif
+#define __ARCH_WANT_COMPAT_STAT64
+#define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_PAUSE
+#define __ARCH_WANT_SYS_GETPGRP
+#define __ARCH_WANT_SYS_LLSEEK
+#define __ARCH_WANT_SYS_NICE
+#define __ARCH_WANT_SYS_SIGPENDING
+#define __ARCH_WANT_SYS_SIGPROCMASK
+#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_COMPAT_SYS_SENDFILE
 #endif
+#include <uapi/asm/unistd.h>

arch/arm64/include/uapi/asm/Kbuild

@@ -1,3 +1,17 @@
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
+header-y += auxvec.h
+header-y += bitsperlong.h
+header-y += byteorder.h
+header-y += fcntl.h
+header-y += hwcap.h
+header-y += param.h
+header-y += ptrace.h
+header-y += setup.h
+header-y += sigcontext.h
+header-y += siginfo.h
+header-y += signal.h
+header-y += stat.h
+header-y += statfs.h
+header-y += unistd.h

arch/arm64/include/uapi/asm/hwcap.h

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2012 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _UAPI__ASM_HWCAP_H
+#define _UAPI__ASM_HWCAP_H
+
+/*
+ * HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP
+ */
+#define HWCAP_FP		(1 << 0)
+#define HWCAP_ASIMD		(1 << 1)
+
+
+#endif /* _UAPI__ASM_HWCAP_H */

arch/arm64/include/uapi/asm/ptrace.h

@@ -0,0 +1,91 @@
+/*
+ * Based on arch/arm/include/asm/ptrace.h
+ *
+ * Copyright (C) 1996-2003 Russell King
+ * Copyright (C) 2012 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _UAPI__ASM_PTRACE_H
+#define _UAPI__ASM_PTRACE_H
+
+#include <linux/types.h>
+
+#include <asm/hwcap.h>
+
+
+/*
+ * PSR bits
+ */
+#define PSR_MODE_EL0t	0x00000000
+#define PSR_MODE_EL1t	0x00000004
+#define PSR_MODE_EL1h	0x00000005
+#define PSR_MODE_EL2t	0x00000008
+#define PSR_MODE_EL2h	0x00000009
+#define PSR_MODE_EL3t	0x0000000c
+#define PSR_MODE_EL3h	0x0000000d
+#define PSR_MODE_MASK	0x0000000f
+
+/* AArch32 CPSR bits */
+#define PSR_MODE32_BIT		0x00000010
+
+/* AArch64 SPSR bits */
+#define PSR_F_BIT	0x00000040
+#define PSR_I_BIT	0x00000080
+#define PSR_A_BIT	0x00000100
+#define PSR_D_BIT	0x00000200
+#define PSR_Q_BIT	0x08000000
+#define PSR_V_BIT	0x10000000
+#define PSR_C_BIT	0x20000000
+#define PSR_Z_BIT	0x40000000
+#define PSR_N_BIT	0x80000000
+
+/*
+ * Groups of PSR bits
+ */
+#define PSR_f		0xff000000	/* Flags		*/
+#define PSR_s		0x00ff0000	/* Status		*/
+#define PSR_x		0x0000ff00	/* Extension		*/
+#define PSR_c		0x000000ff	/* Control		*/
+
+
+#ifndef __ASSEMBLY__
+
+/*
+ * User structures for general purpose, floating point and debug registers.
+ */
+struct user_pt_regs {
+	__u64		regs[31];
+	__u64		sp;
+	__u64		pc;
+	__u64		pstate;
+};
+
+struct user_fpsimd_state {
+	__uint128_t	vregs[32];
+	__u32		fpsr;
+	__u32		fpcr;
+};
+
+struct user_hwdebug_state {
+	__u32		dbg_info;
+	struct {
+		__u64	addr;
+		__u32	ctrl;
+	}		dbg_regs[16];
+};
+
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _UAPI__ASM_PTRACE_H */

arch/arm64/include/uapi/asm/sigcontext.h

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2012 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _UAPI__ASM_SIGCONTEXT_H
+#define _UAPI__ASM_SIGCONTEXT_H
+
+#include <linux/types.h>
+
+/*
+ * Signal context structure - contains all info to do with the state
+ * before the signal handler was invoked.
+ */
+struct sigcontext {
+	__u64 fault_address;
+	/* AArch64 registers */
+	__u64 regs[31];
+	__u64 sp;
+	__u64 pc;
+	__u64 pstate;
+	/* 4K reserved for FP/SIMD state and future expansion */
+	__u8 __reserved[4096] __attribute__((__aligned__(16)));
+};
+
+/*
+ * Header to be used at the beginning of structures extending the user
+ * context. Such structures must be placed after the rt_sigframe on the stack
+ * and be 16-byte aligned. The last structure must be a dummy one with the
+ * magic and size set to 0.
+ */
+struct _aarch64_ctx {
+	__u32 magic;
+	__u32 size;
+};
+
+#define FPSIMD_MAGIC	0x46508001
+
+struct fpsimd_context {
+	struct _aarch64_ctx head;
+	__u32 fpsr;
+	__u32 fpcr;
+	__uint128_t vregs[32];
+};
+
+
+#endif /* _UAPI__ASM_SIGCONTEXT_H */

arch/arm64/include/uapi/asm/stat.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2012 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <asm-generic/stat.h>

arch/arm64/include/uapi/asm/unistd.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2012 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <asm-generic/unistd.h>

arch/arm64/kernel/entry.S

@@ -26,6 +26,7 @@
 #include <asm/errno.h>
 #include <asm/thread_info.h>
 #include <asm/unistd.h>
+#include <asm/unistd32.h>
 
 /*
  * Bad Abort numbers

arch/arm64/kernel/ptrace.c

@@ -823,11 +823,11 @@ static int compat_ptrace_read_user(struct task_struct *tsk, compat_ulong_t off,
 	if (off & 3)
 		return -EIO;
 
-	if (off == PT_TEXT_ADDR)
+	if (off == COMPAT_PT_TEXT_ADDR)
 		tmp = tsk->mm->start_code;
-	else if (off == PT_DATA_ADDR)
+	else if (off == COMPAT_PT_DATA_ADDR)
 		tmp = tsk->mm->start_data;
-	else if (off == PT_TEXT_END_ADDR)
+	else if (off == COMPAT_PT_TEXT_END_ADDR)
 		tmp = tsk->mm->end_code;
 	else if (off < sizeof(compat_elf_gregset_t))
 		return copy_regset_to_user(tsk, &user_aarch32_view,

arch/arm64/kernel/signal32.c

@@ -18,8 +18,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#define __SYSCALL_COMPAT
-
 #include <linux/compat.h>
 #include <linux/signal.h>
 #include <linux/syscalls.h>
@@ -28,7 +26,7 @@
 #include <asm/fpsimd.h>
 #include <asm/signal32.h>
 #include <asm/uaccess.h>
-#include <asm/unistd.h>
+#include <asm/unistd32.h>
 
 struct compat_sigaction {
 	compat_uptr_t			sa_handler;
@@ -126,19 +124,19 @@ struct compat_rt_sigframe {
  * For ARM syscalls, the syscall number has to be loaded into r7.
  * We do not support an OABI userspace.
  */
-#define MOV_R7_NR_SIGRETURN	(0xe3a07000 | __NR_sigreturn)
+#define MOV_R7_NR_SIGRETURN	(0xe3a07000 | __NR_compat_sigreturn)
-#define SVC_SYS_SIGRETURN	(0xef000000 | __NR_sigreturn)
+#define SVC_SYS_SIGRETURN	(0xef000000 | __NR_compat_sigreturn)
-#define MOV_R7_NR_RT_SIGRETURN	(0xe3a07000 | __NR_rt_sigreturn)
+#define MOV_R7_NR_RT_SIGRETURN	(0xe3a07000 | __NR_compat_rt_sigreturn)
-#define SVC_SYS_RT_SIGRETURN	(0xef000000 | __NR_rt_sigreturn)
+#define SVC_SYS_RT_SIGRETURN	(0xef000000 | __NR_compat_rt_sigreturn)
 
 /*
  * For Thumb syscalls, we also pass the syscall number via r7. We therefore
  * need two 16-bit instructions.
  */
-#define SVC_THUMB_SIGRETURN	(((0xdf00 | __NR_sigreturn) << 16) | \
+#define SVC_THUMB_SIGRETURN	(((0xdf00 | __NR_compat_sigreturn) << 16) | \
-				   0x2700 | __NR_sigreturn)
+				   0x2700 | __NR_compat_sigreturn)
-#define SVC_THUMB_RT_SIGRETURN	(((0xdf00 | __NR_rt_sigreturn) << 16) | \
+#define SVC_THUMB_RT_SIGRETURN	(((0xdf00 | __NR_compat_rt_sigreturn) << 16) | \
-				   0x2700 | __NR_rt_sigreturn)
+				   0x2700 | __NR_compat_rt_sigreturn)
 
 const compat_ulong_t aarch32_sigret_code[6] = {
 	/*
@@ -819,5 +817,5 @@ asmlinkage int compat_sys_rt_sigqueueinfo(int pid, int sig,
 
 void compat_setup_restart_syscall(struct pt_regs *regs)
 {
-       regs->regs[7] = __NR_restart_syscall;
+       regs->regs[7] = __NR_compat_restart_syscall;
 }

arch/arm64/kernel/sys32.S

@@ -147,136 +147,12 @@ compat_sys_fanotify_mark_wrapper:
 	b	sys_fanotify_mark
 ENDPROC(compat_sys_fanotify_mark_wrapper)
 
-/*
- * Use the compat system call wrappers.
- */
-#define sys_fork		compat_sys_fork_wrapper
-#define sys_open		compat_sys_open
-#define sys_execve		compat_sys_execve_wrapper
-#define sys_lseek		compat_sys_lseek_wrapper
-#define sys_mount		compat_sys_mount
-#define sys_ptrace		compat_sys_ptrace
-#define sys_times		compat_sys_times
-#define sys_ioctl		compat_sys_ioctl
-#define sys_fcntl		compat_sys_fcntl
-#define sys_ustat		compat_sys_ustat
-#define sys_sigaction		compat_sys_sigaction
-#define sys_sigsuspend		compat_sys_sigsuspend
-#define sys_sigpending		compat_sys_sigpending
-#define sys_setrlimit		compat_sys_setrlimit
-#define sys_getrusage		compat_sys_getrusage
-#define sys_gettimeofday	compat_sys_gettimeofday
-#define sys_settimeofday	compat_sys_settimeofday
-#define sys_statfs		compat_sys_statfs
-#define sys_fstatfs		compat_sys_fstatfs
-#define sys_setitimer		compat_sys_setitimer
-#define sys_getitimer		compat_sys_getitimer
-#define sys_newstat		compat_sys_newstat
-#define sys_newlstat		compat_sys_newlstat
-#define sys_newfstat		compat_sys_newfstat
-#define sys_wait4		compat_sys_wait4
-#define sys_sysinfo		compat_sys_sysinfo
-#define sys_sigreturn		compat_sys_sigreturn_wrapper
-#define sys_clone		compat_sys_clone_wrapper
-#define sys_adjtimex		compat_sys_adjtimex
-#define sys_sigprocmask		compat_sys_sigprocmask
-#define sys_getdents		compat_sys_getdents
-#define sys_select		compat_sys_select
-#define sys_readv		compat_sys_readv
-#define sys_writev		compat_sys_writev
-#define sys_sysctl		compat_sys_sysctl
-#define sys_sched_rr_get_interval compat_sys_sched_rr_get_interval
-#define sys_nanosleep		compat_sys_nanosleep
-#define sys_rt_sigreturn	compat_sys_rt_sigreturn_wrapper
-#define sys_rt_sigaction	compat_sys_rt_sigaction
-#define sys_rt_sigprocmask	compat_sys_rt_sigprocmask
-#define sys_rt_sigpending	compat_sys_rt_sigpending
-#define sys_rt_sigtimedwait	compat_sys_rt_sigtimedwait
-#define sys_rt_sigqueueinfo	compat_sys_rt_sigqueueinfo
-#define sys_rt_sigsuspend	compat_sys_rt_sigsuspend
-#define sys_pread64		compat_sys_pread64_wrapper
-#define sys_pwrite64		compat_sys_pwrite64_wrapper
-#define sys_sigaltstack		compat_sys_sigaltstack_wrapper
-#define sys_sendfile		compat_sys_sendfile
-#define sys_vfork		compat_sys_vfork_wrapper
-#define sys_getrlimit		compat_sys_getrlimit
-#define sys_mmap2		sys_mmap_pgoff
-#define sys_truncate64		compat_sys_truncate64_wrapper
-#define sys_ftruncate64		compat_sys_ftruncate64_wrapper
-#define sys_getdents64		compat_sys_getdents64
-#define sys_fcntl64		compat_sys_fcntl64
-#define sys_readahead		compat_sys_readahead_wrapper
-#define sys_futex		compat_sys_futex
-#define sys_sched_setaffinity	compat_sys_sched_setaffinity
-#define sys_sched_getaffinity	compat_sys_sched_getaffinity
-#define sys_io_setup		compat_sys_io_setup
-#define sys_io_getevents	compat_sys_io_getevents
-#define sys_io_submit		compat_sys_io_submit
-#define sys_lookup_dcookie	compat_sys_lookup_dcookie
-#define sys_timer_create	compat_sys_timer_create
-#define sys_timer_settime	compat_sys_timer_settime
-#define sys_timer_gettime	compat_sys_timer_gettime
-#define sys_clock_settime	compat_sys_clock_settime
-#define sys_clock_gettime	compat_sys_clock_gettime
-#define sys_clock_getres	compat_sys_clock_getres
-#define sys_clock_nanosleep	compat_sys_clock_nanosleep
-#define sys_statfs64		compat_sys_statfs64_wrapper
-#define sys_fstatfs64		compat_sys_fstatfs64_wrapper
-#define sys_utimes		compat_sys_utimes
-#define sys_fadvise64_64	compat_sys_fadvise64_64_wrapper
-#define sys_mq_open		compat_sys_mq_open
-#define sys_mq_timedsend	compat_sys_mq_timedsend
-#define sys_mq_timedreceive	compat_sys_mq_timedreceive
-#define sys_mq_notify		compat_sys_mq_notify
-#define sys_mq_getsetattr	compat_sys_mq_getsetattr
-#define sys_waitid		compat_sys_waitid
-#define sys_recv		compat_sys_recv
-#define sys_recvfrom		compat_sys_recvfrom
-#define sys_setsockopt		compat_sys_setsockopt
-#define sys_getsockopt		compat_sys_getsockopt
-#define sys_sendmsg		compat_sys_sendmsg
-#define sys_recvmsg		compat_sys_recvmsg
-#define sys_semctl		compat_sys_semctl
-#define sys_msgsnd		compat_sys_msgsnd
-#define sys_msgrcv		compat_sys_msgrcv
-#define sys_msgctl		compat_sys_msgctl
-#define sys_shmat		compat_sys_shmat
-#define sys_shmctl		compat_sys_shmctl
-#define sys_keyctl		compat_sys_keyctl
-#define sys_semtimedop		compat_sys_semtimedop
-#define sys_mbind		compat_sys_mbind
-#define sys_get_mempolicy	compat_sys_get_mempolicy
-#define sys_set_mempolicy	compat_sys_set_mempolicy
-#define sys_openat		compat_sys_openat
-#define sys_futimesat		compat_sys_futimesat
-#define sys_pselect6		compat_sys_pselect6
-#define sys_ppoll		compat_sys_ppoll
-#define sys_set_robust_list	compat_sys_set_robust_list
-#define sys_get_robust_list	compat_sys_get_robust_list
-#define sys_sync_file_range2	compat_sys_sync_file_range2_wrapper
-#define sys_vmsplice		compat_sys_vmsplice
-#define sys_move_pages		compat_sys_move_pages
-#define sys_epoll_pwait		compat_sys_epoll_pwait
-#define sys_kexec_load		compat_sys_kexec_load
-#define sys_utimensat		compat_sys_utimensat
-#define sys_signalfd		compat_sys_signalfd
-#define sys_fallocate		compat_sys_fallocate_wrapper
-#define sys_timerfd_settime	compat_sys_timerfd_settime
-#define sys_timerfd_gettime	compat_sys_timerfd_gettime
-#define sys_signalfd4		compat_sys_signalfd4
-#define sys_preadv		compat_sys_preadv
-#define sys_pwritev		compat_sys_pwritev
-#define sys_rt_tgsigqueueinfo	compat_sys_rt_tgsigqueueinfo
-#define sys_recvmmsg		compat_sys_recvmmsg
-#define sys_fanotify_mark	compat_sys_fanotify_mark_wrapper
-
 #undef __SYSCALL
 #define __SYSCALL(x, y)		.quad	y	// x
-#define __SYSCALL_COMPAT
 
 /*
  * The system calls table must be 4KB aligned.
  */
 	.align	12
 ENTRY(compat_sys_call_table)
-#include <asm/unistd.h>
+#include <asm/unistd32.h>

arch/arm64/kernel/sys_compat.c

@@ -18,8 +18,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#define __SYSCALL_COMPAT
-
 #include <linux/compat.h>
 #include <linux/personality.h>
 #include <linux/sched.h>
@@ -28,7 +26,7 @@
 #include <linux/uaccess.h>
 
 #include <asm/cacheflush.h>
-#include <asm/unistd.h>
+#include <asm/unistd32.h>
 
 asmlinkage int compat_sys_fork(struct pt_regs *regs)
 {