gwj / at91sam9263 · Commits

Commit f2c7ba159b2066ea5c2a1c00816f7a5debb8b024

Authored by aurel32
1 parent ce3f0e2f

add pread64 and pwrite64 system calls 

(Gary Thomas)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4126 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 1 changed file with 14 additions and 0 deletions
linux-user/syscall.c
  View file @f2c7ba1
@@ -4875,6 +4875,20 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, @@ -4875,6 +4875,20 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4875 unlock_user(p, arg2, 0); 4875 unlock_user(p, arg2, 0);
4876 break; 4876 break;
4877 #endif 4877 #endif
  4878 +#ifdef TARGET_NR_pread64
  4879 + case TARGET_NR_pread64:
  4880 + if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
  4881 + goto efault;
  4882 + ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
  4883 + unlock_user(p, arg2, ret);
  4884 + break;
  4885 + case TARGET_NR_pwrite64:
  4886 + if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
  4887 + goto efault;
  4888 + ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
  4889 + unlock_user(p, arg2, 0);
  4890 + break;
  4891 +#endif
4878 case TARGET_NR_getcwd: 4892 case TARGET_NR_getcwd:
4879 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) 4893 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
4880 goto efault; 4894 goto efault;