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#ifndef CYGONCE_LOADER_MIPS_ELF_H
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#define CYGONCE_LOADER_MIPS_ELF_H
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//==========================================================================
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//
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// mips_elf.h
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//
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// MIPS specific ELF file format support
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//
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//==========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): nickg
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// Contributors: nickg
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// Date: 2000-11-20
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// Purpose: Define MIPS ELF support
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// Description: This file contains definitions for configuring the dynamic
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// loader to deal with the MIPS specific parts of the ELF
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// file format.
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//
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// Usage:
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// #include <cyg/loader/mips_elf.h>
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// ...
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//
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#include <pkgconf/system.h>
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#include <pkgconf/hal.h>
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#if defined(CYGPKG_HAL_MIPS)
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#ifndef CYG_LOADER_DYNAMIC_LD
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#include <cyg/infra/cyg_type.h>
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//--------------------------------------------------------------------------
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// Basic definitions
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#define CYG_ELF_MACHINE EM_MIPS
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//--------------------------------------------------------------------------
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// Relocation types
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// Taken from bfd/include/elf/mips.h - not currently sure which of these
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// are actually used in executables.
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#define R_MIPS_NONE 0
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#define R_MIPS_16 1
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#define R_MIPS_32 2
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#define R_MIPS_REL32 3
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#define R_MIPS_26 4
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#define R_MIPS_HI16 5
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#define R_MIPS_LO16 6
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#define R_MIPS_GPREL16 7
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#define R_MIPS_LITERAL 8
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#define R_MIPS_GOT16 9
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#define R_MIPS_PC16 10
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#define R_MIPS_CALL16 11
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#define R_MIPS_GPREL32 12
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/* Irix and MIPS16 relocs currently omitted. */
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/* These are GNU extensions to handle embedded-pic. */
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#define R_MIPS_PC32 248
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#define R_MIPS_PC64 249
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#define R_MIPS_GNU_REL16_S2 250
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#define R_MIPS_GNU_REL_LO16 251
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#define R_MIPS_GNU_REL_HI16 252
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/* These are GNU extensions to enable C++ vtable garbage collection. */
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#define R_MIPS_GNU_VTINHERIT 253
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#define R_MIPS_GNU_VTENTRY 254
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//--------------------------------------------------------------------------
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// Processor specific customization class for Cyg_LoadObject class.
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#ifdef __cplusplus
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class Cyg_LoadObject_Proc :
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public Cyg_LoadObject_Base
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{
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public:
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inline Cyg_LoadObject_Proc()
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: Cyg_LoadObject_Base()
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{
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};
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inline Cyg_LoadObject_Proc( Cyg_LoaderStream& stream,
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cyg_uint32 mode,
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Cyg_LoaderMemAlloc *mem )
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: Cyg_LoadObject_Base( stream, mode, mem )
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{
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};
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inline ~Cyg_LoadObject_Proc() {};
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cyg_code apply_rel( unsigned char type, Elf32_Word sym, Elf32_Addr offset );
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cyg_code apply_rela( unsigned char type, Elf32_Word sym,
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Elf32_Addr offset, Elf32_Sword addend );
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};
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//--------------------------------------------------------------------------
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inline cyg_code Cyg_LoadObject_Proc::apply_rel( unsigned char type,
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Elf32_Word sym,
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Elf32_Addr offset )
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{
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return 0;
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}
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inline cyg_code Cyg_LoadObject_Proc::apply_rela( unsigned char type,
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Elf32_Word sym,
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Elf32_Addr offset,
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Elf32_Sword addend )
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{
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return 0;
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}
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//--------------------------------------------------------------------------
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#endif // __cplusplus
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#else // CYG_LOADER_DYNAMIC_LD
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//--------------------------------------------------------------------------
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#define CYG_LOADER_DYNAMIC_PREFIX \
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OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") \
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OUTPUT_ARCH("mips")
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//--------------------------------------------------------------------------
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#endif // CYG_LOADER_DYNAMIC_LD
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#endif // defined(CYGPKG_HAL_MIPS)
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//--------------------------------------------------------------------------
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#endif // ifndef CYGONCE_LOADER_MIPS_ELF_H
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// End of mips_elf.h
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