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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [services/] [loader/] [v2_0/] [include/] [arm_elf.h] - Rev 174
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#ifndef CYGONCE_LOADER_ARM_ELF_H #define CYGONCE_LOADER_ARM_ELF_H //========================================================================== // // arm_elf.h // // ARM specific ELF file format support // //========================================================================== //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos 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 2 or (at your option) any later version. // // eCos 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 eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): nickg // Contributors: nickg // Date: 2000-11-20 // Purpose: Define ARM ELF support // Description: This file contains definitions for configuring the dynamic // loader to deal with the ARM specific parts of the ELF // file format. // // Usage: // #include <cyg/loader/arm_elf.h> // ... // // //####DESCRIPTIONEND#### // //========================================================================== #include <pkgconf/system.h> #include <pkgconf/hal.h> #if defined(CYGPKG_HAL_ARM) #ifndef CYG_LOADER_DYNAMIC_LD #include <cyg/infra/cyg_type.h> //-------------------------------------------------------------------------- // Basic definitions #define CYG_ELF_MACHINE EM_ARM //-------------------------------------------------------------------------- // Relocation types // Taken from bfd/include/elf/arm.h - not currently sure which of these // are actually used in executables. #define R_ARM_NONE 0 #define R_ARM_PC24 1 #define R_ARM_ABS32 2 #define R_ARM_REL32 3 #define R_ARM_PC13 4 #define R_ARM_ABS16 5 #define R_ARM_ABS12 6 #define R_ARM_THM_ABS5 7 #define R_ARM_ABS8 8 #define R_ARM_SBREL32 9 #define R_ARM_THM_PC22 10 #define R_ARM_THM_PC8 11 #define R_ARM_AMP_VCALL9 12 #define R_ARM_SWI24 13 #define R_ARM_THM_SWI8 14 #define R_ARM_XPC25 15 #define R_ARM_THM_XPC22 16 #define R_ARM_COPY 20 /* copy symbol at runtime */ #define R_ARM_GLOB_DAT 21 /* create GOT entry */ #define R_ARM_JUMP_SLOT 22 /* create PLT entry */ #define R_ARM_RELATIVE 23 /* adjust by program base */ #define R_ARM_GOTOFF 24 /* 32 bit offset to GOT */ #define R_ARM_GOTPC 25 /* 32 bit PC relative offset to GOT */ #define R_ARM_GOT32 26 /* 32 bit GOT entry */ #define R_ARM_PLT32 27 /* 32 bit PLT address */ #define R_ARM_GNU_VTENTRY 100 #define R_ARM_GNU_VTINHERIT 101 #define R_ARM_THM_PC11 102 /* Cygnus extension to abi: Thumb unconditional branch */ #define R_ARM_THM_PC9 103 /* Cygnus extension to abi: Thumb conditional branch */ #define R_ARM_RXPC25 249 #define R_ARM_RSBREL32 250 #define R_ARM_THM_RPC22 251 #define R_ARM_RREL32 252 #define R_ARM_RABS32 253 #define R_ARM_RPC24 254 #define R_ARM_RBASE 255 //-------------------------------------------------------------------------- // Processor specific customization class for Cyg_LoadObject class. #ifdef __cplusplus class Cyg_LoadObject_Proc : public Cyg_LoadObject_Base { public: inline Cyg_LoadObject_Proc() : Cyg_LoadObject_Base() { }; inline Cyg_LoadObject_Proc( Cyg_LoaderStream& stream, cyg_uint32 mode, Cyg_LoaderMemAlloc *mem ) : Cyg_LoadObject_Base( stream, mode, mem ) { }; inline ~Cyg_LoadObject_Proc() {}; cyg_code apply_rel( unsigned char type, Elf32_Word sym, Elf32_Addr offset ); cyg_code apply_rela( unsigned char type, Elf32_Word sym, Elf32_Addr offset, Elf32_Sword addend ); }; //-------------------------------------------------------------------------- inline cyg_code Cyg_LoadObject_Proc::apply_rel( unsigned char type, Elf32_Word sym, Elf32_Addr offset ) { return 0; } inline cyg_code Cyg_LoadObject_Proc::apply_rela( unsigned char type, Elf32_Word sym, Elf32_Addr offset, Elf32_Sword addend ) { return 0; } //-------------------------------------------------------------------------- #endif // __cplusplus #else // CYG_LOADER_DYNAMIC_LD //-------------------------------------------------------------------------- #define CYG_LOADER_DYNAMIC_PREFIX \ OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") \ OUTPUT_ARCH("arm") //-------------------------------------------------------------------------- #endif // CYG_LOADER_DYNAMIC_LD #endif // defined(CYGPKG_HAL_ARM) //-------------------------------------------------------------------------- #endif // ifndef CYGONCE_LOADER_ARM_ELF_H // End of arm_elf.h