@ GNU AS assembler header file for Resolver
@ Written by DefMod (Dec  9 2012) on Sun Dec  9 15:47:15 2012
@ Tom Hughes, tom@compton.nu, 21 Sep 2002

@ OSLib---efficient, type-safe, transparent, extensible,
@ register-safe API coverage of RISC OS
@ 
@ Copyright (c) 1994-2012 Jonathan Coxhead and OSLib maintainers
@ 
@ Licence:
@ 
@    OSLib is free software; you can redistribute it and/or modify
@ it under the terms of the GNU General Public License as published by
@ the Free Software Foundation; either version 1, or (at your option)
@ any later version - and this with the following clarification and
@ special exception:
@ 
@    Linking this library statically or dynamically with other modules
@ is making a combined work based on this library. Thus, the terms
@ and conditions of the GNU General Public License cover the whole
@ combination.
@ 
@    As a special exception, the copyright holders of this library
@ give you permission to link this library with independent modules
@ to produce an executable, regardless of the license terms of these
@ independent modules, and to copy and distribute the resulting
@ executable under terms of your choice, provided that you also meet,
@ for each linked independent module, the terms and conditions of the
@ license of that module. An independent module is a module which is
@ not derived from or based on this library. If you modify this
@ library, you may extend this exception to your version of the library,
@ but you are not obliged to do so. If you do not wish to do so, delete
@ this exception statement from your version.
@ 
@    OSLib is distributed in the hope that it will be useful,
@ but WITHOUT ANY WARRANTY; without even the implied warranty of
@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@ GNU General Public License for more details.
@ 
@    You should have received a copy of the GNU General Public License
@ along with this programme; if not, write to the Free Software
@ Foundation, Inc, 675 Mass Ave, Cambridge, MA 02139, USA.

#ifndef Resolver_Hdr
#  define Resolver_Hdr

#  ifndef Get_Types
#    define Get_Types
#    include "oslib/Types.Hdr"
#  endif

#  ifndef Get_Socket
#    define Get_Socket
#    include "oslib/Socket.Hdr"
#  endif

@Symbols for constants
#  define ResolverCacheControlReason_FlushFailed 0x0
#  define ResolverCacheControlReason_FlushAll 0x1
#  define ResolverCacheControlReason_FlushHost 0x2
#  define ResolverCacheControlReason_RereadConfig 0x3
#  define ResolverCacheControlReason_NoCacheFailed 0x8
#  define ResolverCacheControlReason_DoCacheFailed 0x9

@Symbols for structure offsets and sizes
        .struct 0
Resolver_HostDetails_name      : .skip   Ptr
Resolver_HostDetails_aliases   : .skip   Ptr
Resolver_HostDetails_address_type: .skip   Socket_AF
Resolver_HostDetails_address_size: .skip   Int
Resolver_HostDetails_addresses : .skip   Ptr
Resolver_HostDetails           : 

        .struct 0
        .skip   Int
ResolverCacheControl_Reason    : 


@Symbols for SWI's and SWI reason codes
.set XResolver_GetHostByName,0x66000
.set Resolver_GetHostByName,0x46000
   @Entry
   @  R1 -> host_name (String)
   @Exit
   @  R0 = errno (Int)
   @  R1 = host_details (pointer to Resolver_HostDetails)

.set XResolver_GetHost,0x66001
.set Resolver_GetHost,0x46001
   @Entry
   @  R1 -> host_name (Char)
   @Exit
   @  R0 = errno (Int)
   @  R1 = host_details (pointer to Resolver_HostDetails)

.set XResolver_GetCache,0x66002
.set Resolver_GetCache,0x46002

.set XResolver_CacheControl,0x66003
.set Resolver_CacheControl,0x46003
   @Entry
   @  R0 = reason (ResolverCacheControl_Reason)

#  define EventInternet_DNSResolveComplete 0x102
   @Entry
   @  R0 = &13
   @  R1 = &102
   @  R2 -> host_name (Char)
   @  R3 = ip_address (Int)
   @  R4 = errno (Int)
   @  R5 -> host_details (Resolver_HostDetails)

#endif
