[PATCH] powerpc: Wire up *at syscalls

Wire up *at syscalls.

This patch has been tested on ppc64 (using glibc's testsuite, both 32bit
and 64bit), and compile-tested for ppc32 (I have currently no ppc32 system
available, but I expect no problems).

Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>

4 files changed, 46 insertions, 2 deletions

diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S
index 0b98eea73c5e..cf56a1d499ff 100644
--- a/arch/powerpc/kernel/systbl.S
+++ b/arch/powerpc/kernel/systbl.S
@@ -325,6 +325,19 @@ SYSCALL(unshare)
 SYSCALL(splice)
 SYSCALL(tee)
 SYSCALL(vmsplice)
+COMPAT_SYS(openat)
+SYSCALL(mkdirat)
+SYSCALL(mknodat)
+SYSCALL(fchownat)
+COMPAT_SYS(futimesat)
+SYSX(sys_newfstatat, sys_fstatat64, sys_fstatat64)
+SYSCALL(unlinkat)
+SYSCALL(renameat)
+SYSCALL(linkat)
+SYSCALL(symlinkat)
+SYSCALL(readlinkat)
+SYSCALL(fchmodat)
+SYSCALL(faccessat)
 
 /*
  * please add new calls to arch/powerpc/platforms/cell/spu_callbacks.c
diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c
index b283380a2a18..95b36430aa0f 100644
--- a/arch/powerpc/platforms/cell/spu_callbacks.c
+++ b/arch/powerpc/platforms/cell/spu_callbacks.c
@@ -319,6 +319,19 @@ void *spu_syscall_table[] = {
         [__NR_splice]                   sys_splice,
         [__NR_tee]                      sys_tee,
         [__NR_vmsplice]                 sys_vmsplice,
+        [__NR_openat]                   sys_openat,
+        [__NR_mkdirat]                  sys_mkdirat,
+        [__NR_mknodat]                  sys_mknodat,
+        [__NR_fchownat]                 sys_fchownat,
+        [__NR_futimesat]                sys_futimesat,
+        [__NR_newfstatat]               sys_newfstatat,
+        [__NR_unlinkat]                 sys_unlinkat,
+        [__NR_renameat]                 sys_renameat,
+        [__NR_linkat]                   sys_linkat,
+        [__NR_symlinkat]                sys_symlinkat,
+        [__NR_readlinkat]               sys_readlinkat,
+        [__NR_fchmodat]                 sys_fchmodat,
+        [__NR_faccessat]                sys_faccessat,
 };
 
 long spu_sys_callback(struct spu_syscall_block *s)
diff --git a/fs/stat.c b/fs/stat.c
index 9948cc1685a4..0f282face322 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -261,7 +261,7 @@ asmlinkage long sys_newlstat(char __user *filename, struct stat __user *statbuf)
         return error;
 }
 
-#ifndef __ARCH_WANT_STAT64
+#if !defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_SYS_NEWFSTATAT)
 asmlinkage long sys_newfstatat(int dfd, char __user *filename,
                                 struct stat __user *statbuf, int flag)
 {
diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h
index 34325e292596..908acb44cb8a 100644
--- a/include/asm-powerpc/unistd.h
+++ b/include/asm-powerpc/unistd.h
@@ -304,8 +304,25 @@
 #define __NR_splice             283
 #define __NR_tee                284
 #define __NR_vmsplice           285
+#define __NR_openat             286
+#define __NR_mkdirat            287
+#define __NR_mknodat            288
+#define __NR_fchownat           289
+#define __NR_futimesat          290
+#ifdef __powerpc64__
+#define __NR_newfstatat         291
+#else
+#define __NR_fstatat64          291
+#endif
+#define __NR_unlinkat           292
+#define __NR_renameat           293
+#define __NR_linkat             294
+#define __NR_symlinkat          295
+#define __NR_readlinkat         296
+#define __NR_fchmodat           297
+#define __NR_faccessat          298
 
-#define __NR_syscalls           286
+#define __NR_syscalls           299
 
 #ifdef __KERNEL__
 #define __NR__exit __NR_exit
@@ -458,6 +475,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
 #ifdef CONFIG_PPC64
 #define __ARCH_WANT_COMPAT_SYS_TIME
 #define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_NEWFSTATAT
 #endif
 
 /*