+/* Limit on the amount of data to be read. */
+#define MAX_NOTESZ 128
+
+/* Return non-zero if NOTE matches NAME, DESCSZ and TYPE. If
+ *SECTSIZE is non-zero, then this reads that many bytes from
+ the start of the section and clears *SECTSIZE. */
+
+static int
+check_note (bfd *abfd, asection *sect, char *note, unsigned int *sectsize,
+ const char *name, unsigned long descsz, unsigned long type)
+{
+ unsigned long notesz;
+
+ if (*sectsize)
+ {
+ if (!bfd_get_section_contents (abfd, sect, note, 0, *sectsize))
+ return 0;
+ *sectsize = 0;
+ }
+
+ /* Calculate the size of this note. */
+ notesz = strlen (name) + 1;
+ notesz = ((notesz + 3) & ~3);
+ notesz += descsz;
+ notesz = ((notesz + 3) & ~3);
+
+ /* If this assertion triggers, increase MAX_NOTESZ. */
+ gdb_assert (notesz <= MAX_NOTESZ);
+
+ /* Check whether SECT is big enough to comtain the complete note. */
+ if (notesz > bfd_section_size (abfd, sect))
+ return 0;
+
+ /* Check the note name. */
+ if (bfd_h_get_32 (abfd, note) != (strlen (name) + 1)
+ || strcmp (note + 12, name) != 0)
+ return 0;
+
+ /* Check the descriptor size. */
+ if (bfd_h_get_32 (abfd, note + 4) != descsz)
+ return 0;
+
+ /* Check the note type. */
+ if (bfd_h_get_32 (abfd, note + 8) != type)
+ return 0;
+
+ return 1;
+}