Add support for Score target.
This commit is contained in:
Nick Clifton
@ -1,3 +1,8 @@
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2006-09-17 Mei Ligang <ligang@sunnorth.com.cn>
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* score.h: New file.
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* common.h: Add Score machine number.
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2006-07-10 Jakub Jelinek <jakub@redhat.com>
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* common.h (SHT_GNU_HASH, DT_GNU_HASH): Define.
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@ -185,6 +185,7 @@
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#define EM_BLACKFIN 106 /* ADI Blackfin */
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#define EM_ALTERA_NIOS2 113 /* Altera Nios II soft-core processor */
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#define EM_CRX 114 /* National Semiconductor CRX */
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#define EM_SCORE 135 /* Sunplus Score */
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/* If it is necessary to assign new unofficial EM_* values, please pick large
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random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
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124
include/elf/score.h
Normal file
124
include/elf/score.h
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@ -0,0 +1,124 @@
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/* Score ELF support for BFD.
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Copyright 2006 Free Software Foundation, Inc.
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Contributed by
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Mei Ligang (ligang@sunnorth.com.cn)
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Pei-Lin Tsai (pltsai@sunplus.com)
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef _ELF_SCORE_H
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#define _ELF_SCORE_H
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#include "elf/reloc-macros.h"
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#define SCORE_SIMULATOR_ACTIVE 1
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#define OPC_PTMASK 0xc0000000 /* Parity-bit Mask */
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#define OPC16_PTMASK 0x00008000
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/* The parity-bit denotes. */
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#define OPC_32 0xc0000000 /* denotes 32b instruction, (default) */
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#define OPC_16 0x00000000 /* denotes 16b instruction */
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#define OPC_PE 0x8000 /* denotes parallel-execution instructions */
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#define EF_SCORE_HASENTRY 0x02
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#define GP_DISP_LABEL "_gp_disp"
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/* Processor specific flags for the ELF header e_flags field. */
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/* Fix data dependency. */
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#define EF_SCORE_FIXDEP 0x00000001
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/* File contains position independent code. */
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#define EF_SCORE_PIC 0x00000002
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/* Defined and allocated common symbol. Value is virtual address. If
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relocated, alignment must be preserved. */
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#define SHN_SCORE_TEXT 0xff01
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#define SHN_SCORE_DATA 0xff02
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/* Small common symbol. */
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#define SHN_SCORE_SCOMMON 0xff03
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/* Processor specific section flags. */
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/* This section must be in the global data area. */
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#define SHF_SCORE_GPREL 0x10000000
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/* This section should be merged. */
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#define SHF_SCORE_MERGE 0x20000000
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/* This section contains address data of size implied by section
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element size. */
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#define SHF_SCORE_ADDR 0x40000000
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/* This section contains string data. */
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#define SHF_SCORE_STRING 0x80000000
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/* This section may not be stripped. */
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#define SHF_SCORE_NOSTRIP 0x08000000
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/* This section is local to threads. */
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#define SHF_SCORE_LOCAL 0x04000000
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/* Linker should generate implicit weak names for this section. */
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#define SHF_SCORE_NAMES 0x02000000
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/* Section contais text/data which may be replicated in other sections.
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Linker should retain only one copy. */
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#define SHF_SCORE_NODUPES 0x01000000
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/* Processor specific dynamic array tags. */
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/* Base address of the segment. */
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#define DT_SCORE_BASE_ADDRESS 0x70000001
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/* Number of local global offset table entries. */
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#define DT_SCORE_LOCAL_GOTNO 0x70000002
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/* Number of entries in the .dynsym section. */
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#define DT_SCORE_SYMTABNO 0x70000003
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/* Index of first dynamic symbol in global offset table. */
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#define DT_SCORE_GOTSYM 0x70000004
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/* Index of first external dynamic symbol not referenced locally. */
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#define DT_SCORE_UNREFEXTNO 0x70000005
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/* Number of page table entries in global offset table. */
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#define DT_SCORE_HIPAGENO 0x70000006
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/* Processor specific section types. */
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/* Relocation types. */
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START_RELOC_NUMBERS (elf_score_reloc_type)
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RELOC_NUMBER (R_SCORE_NONE, 0)
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RELOC_NUMBER (R_SCORE_HI16, 1)
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RELOC_NUMBER (R_SCORE_LO16, 2)
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RELOC_NUMBER (R_SCORE_DUMMY1, 3)
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RELOC_NUMBER (R_SCORE_24, 4)
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RELOC_NUMBER (R_SCORE_PC19, 5)
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RELOC_NUMBER (R_SCORE16_11, 6)
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RELOC_NUMBER (R_SCORE16_PC8, 7)
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RELOC_NUMBER (R_SCORE_ABS32, 8)
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RELOC_NUMBER (R_SCORE_ABS16, 9)
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RELOC_NUMBER (R_SCORE_DUMMY2, 10)
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RELOC_NUMBER (R_SCORE_GP15, 11)
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RELOC_NUMBER (R_SCORE_GNU_VTINHERIT, 12)
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RELOC_NUMBER (R_SCORE_GNU_VTENTRY, 13)
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RELOC_NUMBER (R_SCORE_GOT15, 14)
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RELOC_NUMBER (R_SCORE_GOT_LO16, 15)
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RELOC_NUMBER (R_SCORE_CALL15, 16)
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RELOC_NUMBER (R_SCORE_GPREL32, 17)
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RELOC_NUMBER (R_SCORE_REL32, 18)
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RELOC_NUMBER (R_SCORE_DUMMY_HI16, 19)
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END_RELOC_NUMBERS (R_SCORE_max)
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#endif /* _ELF_SCORE_H */
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