gwj / at91sam9263 · Commits

Commit 92a34c10b595ae01ff55c385b9867363ac91e0eb

Authored by ths
1 parent 814d7977

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


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3227 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 19 additions and 0 deletions
linux-user/syscall.c
  View file @92a34c1
@@ -139,6 +139,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ @@ -139,6 +139,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
139 139
140 140
141 #define __NR_sys_uname __NR_uname 141 #define __NR_sys_uname __NR_uname
  142 +#define __NR_sys_faccessat __NR_faccessat
142 #define __NR_sys_fchmodat __NR_fchmodat 143 #define __NR_sys_fchmodat __NR_fchmodat
143 #define __NR_sys_fchownat __NR_fchownat 144 #define __NR_sys_fchownat __NR_fchownat
144 #define __NR_sys_getcwd1 __NR_getcwd 145 #define __NR_sys_getcwd1 __NR_getcwd
@@ -169,6 +170,9 @@ static int gettid(void) { @@ -169,6 +170,9 @@ static int gettid(void) {
169 } 170 }
170 #endif 171 #endif
171 _syscall1(int,sys_uname,struct new_utsname *,buf) 172 _syscall1(int,sys_uname,struct new_utsname *,buf)
  173 +#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
  174 +_syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags)
  175 +#endif
172 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) 176 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
173 _syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname, 177 _syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname,
174 mode_t,mode,int,flags) 178 mode_t,mode,int,flags)
@@ -2851,6 +2855,21 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, @@ -2851,6 +2855,21 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
2851 ret = get_errno(access(p, arg2)); 2855 ret = get_errno(access(p, arg2));
2852 unlock_user(p, arg1, 0); 2856 unlock_user(p, arg1, 0);
2853 break; 2857 break;
  2858 +#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
  2859 + case TARGET_NR_faccessat:
  2860 + if (!arg2) {
  2861 + ret = -EFAULT;
  2862 + goto fail;
  2863 + }
  2864 + p = lock_user_string(arg2);
  2865 + if (!access_ok(VERIFY_READ, p, 1))
  2866 + ret = -EFAULT;
  2867 + else
  2868 + ret = get_errno(sys_faccessat(arg1, p, arg3, arg4));
  2869 + if (p)
  2870 + unlock_user(p, arg2, 0);
  2871 + break;
  2872 +#endif
2854 #ifdef TARGET_NR_nice /* not on alpha */ 2873 #ifdef TARGET_NR_nice /* not on alpha */
2855 case TARGET_NR_nice: 2874 case TARGET_NR_nice:
2856 ret = get_errno(nice(arg1)); 2875 ret = get_errno(nice(arg1));