Index: qemu/linux-user/syscall.c =================================================================== --- qemu.orig/linux-user/syscall.c 2007-09-19 06:26:51.000000000 -0600 +++ qemu/linux-user/syscall.c 2007-09-19 06:27:29.000000000 -0600 @@ -160,6 +160,7 @@ #define __NR_sys_mkdirat __NR_mkdirat #define __NR_sys_mknodat __NR_mknodat #define __NR_sys_openat __NR_openat +#define __NR_sys_readlinkat __NR_readlinkat #define __NR_sys_renameat __NR_renameat #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo #define __NR_sys_symlinkat __NR_symlinkat @@ -210,6 +211,10 @@ #if defined(TARGET_NR_openat) && defined(__NR_openat) _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) #endif +#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) +_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname, + char *,buf,size_t,bufsize) +#endif #if defined(TARGET_NR_renameat) && defined(__NR_renameat) _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, int,newdirfd,const char *,newpath) @@ -3584,6 +3589,28 @@ unlock_user(p, arg1, 0); } break; +#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) + case TARGET_NR_readlinkat: + if (!arg2 || !arg3) { + ret = -EFAULT; + goto fail; + } + { + void *p2 = NULL; + p = lock_user_string(arg2); + p2 = lock_user(arg3, arg4, 0); + if (!access_ok(VERIFY_READ, p, 1) + || !access_ok(VERIFY_READ, p2, 1)) + ret = -EFAULT; + else + ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); + if (p2) + unlock_user(p2, arg3, ret); + if (p) + unlock_user(p, arg2, 0); + } + break; +#endif #ifdef TARGET_NR_uselib case TARGET_NR_uselib: goto unimplemented; Index: qemu/linux-user/arm/syscall_nr.h =================================================================== --- qemu.orig/linux-user/arm/syscall_nr.h 2007-09-19 06:26:21.000000000 -0600 +++ qemu/linux-user/arm/syscall_nr.h 2007-09-19 06:26:57.000000000 -0600 @@ -334,4 +334,5 @@ #define TARGET_NR_renameat 329 #define TARGET_NR_linkat 330 #define TARGET_NR_symlinkat 331 +#define TARGET_NR_readlinkat 332 #define TARGET_NR_utimensat 348