Add support for Score target.

3 files changed, 130 insertions, 0 deletions

diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index f1c15b52c..c9914d934 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,8 @@
+2006-09-17  Mei Ligang  <ligang@sunnorth.com.cn>
+
+	* score.h: New file.
+	* common.h: Add Score machine number.
+
 2006-07-10  Jakub Jelinek  <jakub@redhat.com>
 
 	* common.h (SHT_GNU_HASH, DT_GNU_HASH): Define.
diff --git a/include/elf/common.h b/include/elf/common.h
index 0380a8fd7..f041ecb87 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -185,6 +185,7 @@
 #define EM_BLACKFIN	106	/* ADI Blackfin */
 #define EM_ALTERA_NIOS2	113	/* Altera Nios II soft-core processor */
 #define EM_CRX		114	/* National Semiconductor CRX */
+#define EM_SCORE        135     /* Sunplus Score */ 
 
 /* If it is necessary to assign new unofficial EM_* values, please pick large
    random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
diff --git a/include/elf/score.h b/include/elf/score.h
new file mode 100644
index 000000000..8eb69a788
--- /dev/null
+++ b/include/elf/score.h
@@ -0,0 +1,124 @@
+/* Score ELF support for BFD.
+   Copyright 2006 Free Software Foundation, Inc.
+   Contributed by 
+   Mei Ligang (ligang@sunnorth.com.cn)
+   Pei-Lin Tsai (pltsai@sunplus.com)
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program 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 of the License, or
+   (at your option) any later version.
+
+   This program 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 program; if not, write to the Free Software Foundation,
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#ifndef _ELF_SCORE_H
+#define _ELF_SCORE_H
+
+#include "elf/reloc-macros.h"
+
+#define SCORE_SIMULATOR_ACTIVE  1
+#define OPC_PTMASK              0xc0000000      /* Parity-bit Mask */
+#define OPC16_PTMASK		0x00008000
+/* The parity-bit denotes.  */
+#define OPC_32                  0xc0000000      /* denotes 32b instruction, (default) */
+#define OPC_16                  0x00000000      /* denotes 16b instruction  */
+#define OPC_PE                  0x8000          /* denotes parallel-execution instructions  */
+#define EF_SCORE_HASENTRY       0x02
+#define GP_DISP_LABEL           "_gp_disp"
+
+/* Processor specific flags for the ELF header e_flags field.  */
+
+/* Fix data dependency.  */
+#define EF_SCORE_FIXDEP         0x00000001
+
+/* File contains position independent code.  */
+#define EF_SCORE_PIC		0x00000002
+
+/* Defined and allocated common symbol.  Value is virtual address.  If
+   relocated, alignment must be preserved.  */
+#define SHN_SCORE_TEXT		0xff01
+#define SHN_SCORE_DATA		0xff02
+/* Small common symbol.  */
+#define SHN_SCORE_SCOMMON	0xff03
+
+/* Processor specific section flags.  */
+
+/* This section must be in the global data area.  */
+#define SHF_SCORE_GPREL		0x10000000
+
+/* This section should be merged.  */
+#define SHF_SCORE_MERGE		0x20000000
+
+/* This section contains address data of size implied by section
+   element size.  */
+#define SHF_SCORE_ADDR		0x40000000
+
+/* This section contains string data.  */
+#define SHF_SCORE_STRING		0x80000000
+
+/* This section may not be stripped.  */
+#define SHF_SCORE_NOSTRIP	0x08000000
+
+/* This section is local to threads.  */
+#define SHF_SCORE_LOCAL		0x04000000
+
+/* Linker should generate implicit weak names for this section.  */
+#define SHF_SCORE_NAMES		0x02000000
+
+/* Section contais text/data which may be replicated in other sections.
+   Linker should retain only one copy.  */
+#define SHF_SCORE_NODUPES	0x01000000
+
+/* Processor specific dynamic array tags.  */
+
+/* Base address of the segment.  */
+#define DT_SCORE_BASE_ADDRESS	0x70000001
+/* Number of local global offset table entries.  */
+#define DT_SCORE_LOCAL_GOTNO	0x70000002
+/* Number of entries in the .dynsym section.  */
+#define DT_SCORE_SYMTABNO	0x70000003
+/* Index of first dynamic symbol in global offset table.  */
+#define DT_SCORE_GOTSYM		0x70000004
+/* Index of first external dynamic symbol not referenced locally.  */
+#define DT_SCORE_UNREFEXTNO	0x70000005
+/* Number of page table entries in global offset table.  */
+#define DT_SCORE_HIPAGENO	0x70000006
+
+
+/* Processor specific section types.  */
+
+
+/* Relocation types.  */
+START_RELOC_NUMBERS (elf_score_reloc_type)
+  RELOC_NUMBER (R_SCORE_NONE,           0)
+  RELOC_NUMBER (R_SCORE_HI16,           1)   
+  RELOC_NUMBER (R_SCORE_LO16,           2)   
+  RELOC_NUMBER (R_SCORE_DUMMY1,         3)
+  RELOC_NUMBER (R_SCORE_24,             4)   
+  RELOC_NUMBER (R_SCORE_PC19,           5)  
+  RELOC_NUMBER (R_SCORE16_11,           6)   
+  RELOC_NUMBER (R_SCORE16_PC8,          7)  
+  RELOC_NUMBER (R_SCORE_ABS32,          8)
+  RELOC_NUMBER (R_SCORE_ABS16,          9)
+  RELOC_NUMBER (R_SCORE_DUMMY2,         10)
+  RELOC_NUMBER (R_SCORE_GP15,           11)
+  RELOC_NUMBER (R_SCORE_GNU_VTINHERIT,  12)
+  RELOC_NUMBER (R_SCORE_GNU_VTENTRY,    13)
+  RELOC_NUMBER (R_SCORE_GOT15,          14)
+  RELOC_NUMBER (R_SCORE_GOT_LO16,       15)
+  RELOC_NUMBER (R_SCORE_CALL15,         16)
+  RELOC_NUMBER (R_SCORE_GPREL32,        17)
+  RELOC_NUMBER (R_SCORE_REL32,          18)
+  RELOC_NUMBER (R_SCORE_DUMMY_HI16,     19)
+END_RELOC_NUMBERS (R_SCORE_max)
+
+#endif /* _ELF_SCORE_H */