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linux-user mkdirat() syscall, by Thayne Harbaugh. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3218 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-09-24 09:22:32 +00:00
parent 8242483226
commit 4472ad0dbd
1 changed files with 19 additions and 0 deletions
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19
linux-user/syscall.c
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@ -142,6 +142,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
#define __NR_sys_getcwd1 __NR_getcwd
#define __NR_sys_getdents __NR_getdents
#define __NR_sys_getdents64 __NR_getdents64
#define __NR_sys_mkdirat __NR_mkdirat
#define __NR_sys_openat __NR_openat
#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
#define __NR_sys_syslog __NR_syslog
@ -167,6 +168,9 @@ _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
#endif
_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
loff_t *, res, uint, wh);
#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
#endif
#if defined(TARGET_NR_openat) && defined(__NR_openat)
_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
#endif
@ -2787,6 +2791,21 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
ret = get_errno(mkdir(p, arg2));
unlock_user(p, arg1, 0);
break;
#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
case TARGET_NR_mkdirat:
if (!arg2) {
ret = -EFAULT;
goto fail;
}
p = lock_user_string(arg2);
if (!access_ok(VERIFY_READ, p, 1))
ret = -EFAULT;
else
ret = get_errno(sys_mkdirat(arg1, p, arg3));
if (p)
unlock_user(p, arg2, 0);
break;
#endif
case TARGET_NR_rmdir:
p = lock_user_string(arg1);
ret = get_errno(rmdir(p));