+ case TARGET_OBJECT_FREEBSD_VMMAP:
+ case TARGET_OBJECT_FREEBSD_PS_STRINGS:
+ {
+ gdb::byte_vector buf_storage;
+ gdb_byte *buf;
+ size_t buflen;
+ int mib[4];
+
+ int proc_target;
+ uint32_t struct_size;
+ switch (object)
+ {
+ case TARGET_OBJECT_FREEBSD_VMMAP:
+ proc_target = KERN_PROC_VMMAP;
+ struct_size = sizeof (struct kinfo_vmentry);
+ break;
+ case TARGET_OBJECT_FREEBSD_PS_STRINGS:
+ proc_target = KERN_PROC_PS_STRINGS;
+ struct_size = sizeof (void *);
+ break;
+ }
+
+ if (writebuf != NULL)
+ return TARGET_XFER_E_IO;
+
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_PROC;
+ mib[2] = proc_target;
+ mib[3] = pid;
+
+ if (sysctl (mib, 4, NULL, &buflen, NULL, 0) != 0)
+ return TARGET_XFER_E_IO;
+ buflen += sizeof (struct_size);
+
+ if (offset >= buflen)
+ {
+ *xfered_len = 0;
+ return TARGET_XFER_EOF;
+ }
+
+ buf_storage.resize (buflen);
+ buf = buf_storage.data ();
+
+ memcpy (buf, &struct_size, sizeof (struct_size));
+ buflen -= sizeof (struct_size);
+ if (sysctl (mib, 4, buf + sizeof (struct_size), &buflen, NULL, 0) != 0)
+ return TARGET_XFER_E_IO;
+ buflen += sizeof (struct_size);
+
+ if (buflen - offset < len)
+ len = buflen - offset;
+ memcpy (readbuf, buf + offset, len);
+ *xfered_len = len;
+ return TARGET_XFER_OK;
+ }