ChangeLog:

[deliverable/binutils-gdb.git] / gdb / target.c

diff --git a/gdb/target.c b/gdb/target.c
index 595c2ced6c3a9fbf2bf9599803a956680db93e0f..32260e10df235eef210b196ab4a9f985d99cb15d 100644 (file)
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -3318,6 +3318,33 @@ target_fileio_unlink (const char *filename, int *target_errno)
   return -1;
 }
 
+/* Read value of symbolic link FILENAME on the target.  Return a
+   null-terminated string allocated via xmalloc, or NULL if an error
+   occurs (and set *TARGET_ERRNO).  */
+char *
+target_fileio_readlink (const char *filename, int *target_errno)
+{
+  struct target_ops *t;
+
+  for (t = default_fileio_target (); t != NULL; t = t->beneath)
+    {
+      if (t->to_fileio_readlink != NULL)
+       {
+         char *ret = t->to_fileio_readlink (filename, target_errno);
+
+         if (targetdebug)
+           fprintf_unfiltered (gdb_stdlog,
+                               "target_fileio_readlink (%s) = %s (%d)\n",
+                               filename, ret? ret : "(nil)",
+                               ret? 0 : *target_errno);
+         return ret;
+       }
+    }
+
+  *target_errno = FILEIO_ENOSYS;
+  return NULL;
+}
+
 static void
 target_fileio_close_cleanup (void *opaque)
 {