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