diff options
author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-04-08 23:07:05 +0000 |
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committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-04-08 23:07:05 +0000 |
commit | 9d33b76b205194857f17ca35a7581b1f500f0462 (patch) | |
tree | 6c71fc2378253ae99ff6a505fbb32caa6415800e | |
parent | f1afe02aefb1eed1d1b4aa3e2a493ca8272515fb (diff) |
linux-user: fix fstatat64()/newfstatat() syscall implementation
There are two different syscall names for the same goal.
On systems with sizeof(long) == 64 it calls newfstatat.
On systems with sizeof(long) == 32 it calls fstatat64.
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7050 c046a42c-6fe2-441c-8c8c-71466251a162
-rw-r--r-- | linux-user/syscall.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 8608171d54..052e8e6558 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -169,6 +169,7 @@ static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ #define __NR_sys_linkat __NR_linkat #define __NR_sys_mkdirat __NR_mkdirat #define __NR_sys_mknodat __NR_mknodat +#define __NR_sys_newfstatat __NR_newfstatat #define __NR_sys_openat __NR_openat #define __NR_sys_readlinkat __NR_readlinkat #define __NR_sys_renameat __NR_renameat @@ -209,7 +210,8 @@ _syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname, _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, uid_t,owner,gid_t,group,int,flags) #endif -#if defined(TARGET_NR_fstatat64) && defined(__NR_fstatat64) +#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \ + defined(__NR_fstatat64) _syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname, struct stat *,buf,int,flags) #endif @@ -240,6 +242,11 @@ _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, mode_t,mode,dev_t,dev) #endif +#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \ + defined(__NR_newfstatat) +_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname, + struct stat *,buf,int,flags) +#endif #if defined(TARGET_NR_openat) && defined(__NR_openat) _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) #endif @@ -3280,7 +3287,7 @@ static inline abi_long host_to_target_timespec(abi_ulong target_addr, return 0; } -#ifdef TARGET_NR_stat64 +#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat) static inline abi_long host_to_target_stat64(void *cpu_env, abi_ulong target_addr, struct stat *host_st) @@ -3312,11 +3319,15 @@ static inline abi_long host_to_target_stat64(void *cpu_env, } else #endif { +#if TARGET_LONG_BITS == 64 + struct target_stat *target_st; +#else struct target_stat64 *target_st; +#endif if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) return -TARGET_EFAULT; - memset(target_st, 0, sizeof(struct target_stat64)); + memset(target_st, 0, sizeof(*target_st)); __put_user(host_st->st_dev, &target_st->st_dev); __put_user(host_st->st_ino, &target_st->st_ino); #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO @@ -5459,11 +5470,21 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = host_to_target_stat64(cpu_env, arg2, &st); break; #endif -#if defined(TARGET_NR_fstatat64) && defined(__NR_fstatat64) +#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \ + (defined(__NR_fstatat64) || defined(__NR_newfstatat)) +#ifdef TARGET_NR_fstatat64 case TARGET_NR_fstatat64: +#endif +#ifdef TARGET_NR_newfstatat + case TARGET_NR_newfstatat: +#endif if (!(p = lock_user_string(arg2))) goto efault; +#ifdef __NR_fstatat64 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4)); +#else + ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4)); +#endif if (!is_error(ret)) ret = host_to_target_stat64(cpu_env, arg3, &st); break; |