Re: iw packaging

On Tue, 2008-09-16 at 17:48 -0400, Pavel Roskin wrote:

$ nm iw | grep __cmd |sort
0000000000403d20 A __start___cmd
0000000000403d20 r __cmd_handle_infoNL80211_CMD_GET_WIPHYCIB_NONE
0000000000403d60 r __cmd_handle_infoNL80211_CMD_GET_WIPHYCIB_PHY
0000000000403da0 r __cmd_handle_nameNL80211_CMD_SET_WIPHYCIB_PHY
...

The next command is at 0x403d60, but the code expects it at 0x403d50.

I suspected as much, but right now I don't know how to fix that. I'd
have thought the rules here would be just like in an array but clearly I
was wrong.

This would probably "fix" it, but it's ugly:

--- a/iw.h
+++ b/iw.h

@@ -35,6 +35,7 @@ struct cmd {
        int (*handler)(struct nl_cb *cb,
                       struct nl_msg *msg,
                       int argc, char **argv);
+       void *dummy[0] __attribute__((__aligned__(0x40)));
 };
 
 #define __COMMAND(sect, name, args, nlcmd, flags, idby, handler)       \

johannes