gwj / at91sam9263 · Commits

Commit 75ac37a09b585cf3e6e3dd45575b1d8e693dddc5

Authored by ths
1 parent 4472ad0d

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


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3219 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 20 additions and 0 deletions
linux-user/syscall.c
  View file @75ac37a
... ... @@ -143,6 +143,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
143 143 #define __NR_sys_getdents __NR_getdents
144 144 #define __NR_sys_getdents64 __NR_getdents64
145 145 #define __NR_sys_mkdirat __NR_mkdirat
  146 +#define __NR_sys_mknodat __NR_mknodat
146 147 #define __NR_sys_openat __NR_openat
147 148 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
148 149 #define __NR_sys_syslog __NR_syslog
... ... @@ -171,6 +172,10 @@ _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
171 172 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
172 173 _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
173 174 #endif
  175 +#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
  176 +_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
  177 + mode_t,mode,dev_t,dev)
  178 +#endif
174 179 #if defined(TARGET_NR_openat) && defined(__NR_openat)
175 180 _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
176 181 #endif
... ... @@ -2643,6 +2648,21 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
2643 2648 ret = get_errno(mknod(p, arg2, arg3));
2644 2649 unlock_user(p, arg1, 0);
2645 2650 break;
  2651 +#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
  2652 + case TARGET_NR_mknodat:
  2653 + if (!arg2) {
  2654 + ret = -EFAULT;
  2655 + goto fail;
  2656 + }
  2657 + p = lock_user_string(arg2);
  2658 + if (!access_ok(VERIFY_READ, p, 1))
  2659 + ret = -EFAULT;
  2660 + else
  2661 + ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
  2662 + if (p)
  2663 + unlock_user(p, arg2, 0);
  2664 + break;
  2665 +#endif
2646 2666 case TARGET_NR_chmod:
2647 2667 p = lock_user_string(arg1);
2648 2668 ret = get_errno(chmod(p, arg2));
... ...