This patch adds the fstatat syscall to linux-user. To depends on the
previous stat64_put_user patch.
Index: qemu/linux-user/syscall.c
===================================================================
--- qemu.orig/linux-user/syscall.c 2007-09-19 06:28:34.000000000 -0600
+++ qemu/linux-user/syscall.c 2007-09-19 06:31:35.000000000 -0600
@@ -149,11 +149,26 @@
return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
}
+#if defined(__NR_fstatat64)
+#define HOST_NR_FSTATAT __NR_fstatat64
+typedef struct stat64 host_statbuf_t;
+#elif defined(__NR_newfstatat)
+#define HOST_NR_FSTATAT __NR_newfstatat
+typedef struct stat host_statbuf_t;
+#endif
+#if defined(TARGET_NR_fstatat64)
+#define TARGET_NR_FSTATAT (TARGET_NR_fstatat64)
+typedef struct target_stat64 target_statbuf_t;
+#elif defined(TARGET_NR_newfstatat)
+#define TARGET_NR_FSTATAT (TARGET_NR_newfstatat)
+typedef struct target_stat target_statbuf_t;
+#endif
#define __NR_sys_uname __NR_uname
#define __NR_sys_faccessat __NR_faccessat
#define __NR_sys_fchmodat __NR_fchmodat
#define __NR_sys_fchownat __NR_fchownat
+#define __NR_sys_fstatat HOST_NR_FSTATAT
#define __NR_sys_futimesat __NR_futimesat
#define __NR_sys_getcwd1 __NR_getcwd
#define __NR_sys_getdents __NR_getdents
@@ -170,6 +185,9 @@
#define __NR_sys_tgkill __NR_tgkill
#define __NR_sys_tkill __NR_tkill
#define __NR_sys_unlinkat __NR_unlinkat
+#if !defined(__NR_utimensat) && defined(__x86_64__)
+#define __NR_utimensat 280
+#endif
#define __NR_sys_utimensat __NR_utimensat
#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
@@ -199,6 +217,10 @@
_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
const struct timeval *,times)
#endif
+#if defined(TARGET_NR_FSTATAT) && (HOST_NR_FSTATAT)
+_syscall4(int,sys_fstatat,int,dirfd,const char *,pathname,
+ host_statbuf_t *,buf,int,flags)
+#endif
_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
@@ -533,7 +555,7 @@
: copy_to_user_statbuf64((tsb),(hsb)))
#else
#define copy_to_user_statbuf64_wrapper(tsb,hsb) \
- copy_to_user_eabi_statbuf64((tsb),(hsb))
+ copy_to_user_statbuf64((tsb),(hsb))
#endif
#ifdef TARGET_ARM
@@ -4731,6 +4753,28 @@
unlock_user(p, arg2, 0);
break;
#endif
+#if defined(TARGET_NR_FSTATAT) && defined(HOST_NR_FSTATAT)
+ case TARGET_NR_FSTATAT:
+ if (!arg2) {
+ ret = -EFAULT;
+ goto fail;
+ }
+ {
+ host_statbuf_t statbuf;
+ p = lock_user_string(arg2);
+ if (!access_ok(VERIFY_READ, p, 1))
+ ret = -EFAULT;
+ else {
+ ret = get_errno(sys_fstatat(arg1, path(p), &statbuf, arg4));
+ if (!is_error(ret)
+ && copy_to_user_statbuf64_wrapper((struct target_stat64 *)arg3, &statbuf))
+ ret = -EFAULT;
+ }
+ if (p)
+ unlock_user(p, arg2, 0);
+ }
+ break;
+#endif
#ifdef TARGET_NR_setresuid
case TARGET_NR_setresuid:
ret = get_errno(setresuid(low2highuid(arg1),
Index: qemu/linux-user/arm/syscall_nr.h
===================================================================
--- qemu.orig/linux-user/arm/syscall_nr.h 2007-09-19 06:28:08.000000000 -0600
+++ qemu/linux-user/arm/syscall_nr.h 2007-09-19 06:29:54.000000000 -0600
@@ -330,6 +330,7 @@
#define TARGET_NR_mknodat 324
#define TARGET_NR_fchownat 325
#define TARGET_NR_futimesat 326
+#define TARGET_NR_fstatat64 327
#define TARGET_NR_unlinkat 328
#define TARGET_NR_renameat 329
#define TARGET_NR_linkat 330
