From 75dd862f41569df1f9f512ea3d9414fe3ea423f1 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Thu, 1 Jan 1970 00:00:00 +0000
Subject: [PATCH] Finish static approach in favour of a simpler, more dynamic
 version.

---
 extract/codegen/code_generation.ml  |  8 +++-----
 extract/codegen/compile_kerneldb.ml | 29 +++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 5 deletions(-)

diff --git a/extract/codegen/code_generation.ml b/extract/codegen/code_generation.ml
index c5e735f..d76aa4a 100644
--- a/extract/codegen/code_generation.ml
+++ b/extract/codegen/code_generation.ml
@@ -587,7 +587,7 @@ let generate_followers xs =
       >> in
     strs @ [ str ] in
 
-  (* Finally a publicly exposed follower function. *)
+  (* Finally a publicly exposed follower function for each structure. *)
   let strs =
     let fs =
       List.map (
@@ -597,9 +597,7 @@ let generate_followers xs =
 	  let body =
 	    tuple_generate_extract follower_tuple struct_name
 	      <:patt< f >> <:expr< followers >>
-	      <:expr<
-	        f load followers AddrMap.empty addr
-	      >> in
+	      <:expr< f load followers AddrMap.empty addr >> in
 
 	  <:str_item<
 	    let $lid:fname$ kernel_version load addr =
@@ -622,7 +620,7 @@ let generate_followers xs =
 	    (string -> Virt_mem_mmap.addr -> int -> Bitstring.bitstring) ->
 	    Virt_mem_mmap.addr ->
 	    (string * int) AddrMap.t
-	  >>
+	>>
     ) xs in
 
   concat_str_items strs, concat_sig_items sigs
diff --git a/extract/codegen/compile_kerneldb.ml b/extract/codegen/compile_kerneldb.ml
index 4ad221f..b9d3306 100644
--- a/extract/codegen/compile_kerneldb.ml
+++ b/extract/codegen/compile_kerneldb.ml
@@ -92,6 +92,35 @@ let good_structs = [
   };
 ]
 
+(*----------------------------------------------------------------------
+ * These are the code fragments which run over kernel structures.
+ *----------------------------------------------------------------------*)
+
+let fragments = [
+  <:str_item<
+    let get_net_devices net_device =
+      let rec loop dev acc =
+	let ipv4 = net_device.ip_ptr.ifa_list in
+	let ipv4_addresses =
+	  let rec loop2 ipv4 acc =
+	    let addr = ipv4.ifa_address :: acc in
+	    let ipv4 = ipv4.ifa_next in
+	    loop2 ipv4
+	  in
+	  loop ipv4 [] in
+	let acc = ipv4_addresses :: acc in
+	let next = get_net_devices net_device.dev_list'next in
+	if next <> net_device then loop next
+	else acc
+  >>;
+
+  <:str_item<
+    let get_net_devices_from_init_net net =
+      get_net_devices net.dev_base_head'next
+  >>;
+
+]
+
 let debug = false
 
 open Camlp4.PreCast
-- 
1.8.3.1