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/* $OpenBSD: link.h,v 1.1 2004/08/06 20:56:02 pefo Exp $ */
/*
* Copyright (c) 1996 Per Fogelstrom
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed under OpenBSD by
* Per Fogelstrom.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef _MIPS_LINK_H_
#define _MIPS_LINK_H_
#include <elf_abi.h>
#include <machine/elf_abi.h>
/*
* Debug rendezvous struct. Pointer to this is set up in the
* target code pointed by the DT_MIPS_RLD_MAP tag. If it is
* defined.
*/
struct r_debug {
int r_version; /* Protocol version. */
struct link_map *r_map; /* Head of list of loaded objects. */
Elf32_Addr r_brk;
enum {
RT_CONSISTENT, /* Mapping change is complete. */
RT_ADD, /* Adding a new object. */
RT_DELETE, /* Removing an object mapping. */
} r_state;
Elf32_Addr r_ldbase; /* Base address the linker is loaded at. */
};
/*
* Shared object map data used by the debugger.
*/
struct link_map {
Elf32_Addr l_addr; /* Base address shared object is loaded at. */
Elf32_Addr l_offs; /* Offset from link address */
char *l_name; /* Absolute file name object was found in. */
Elf32_Dyn *l_ld; /* Dynamic section of the shared object. */
struct link_map *l_next, *l_prev; /* Chain of loaded objects. */
};
#endif /* !_MIPS_LINK_H_ */
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