1 /* Score ELF support for BFD.
2    Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
3    Contributed by
4    Brain.lin (brain.lin@sunplusct.com)
5    Mei Ligang (ligang@sunnorth.com.cn)
6    Pei-Lin Tsai (pltsai@sunplus.com)
7 
8    This file is part of BFD, the Binary File Descriptor library.
9 
10    This program is free software; you can redistribute it and/or modify
11    it under the terms of the GNU General Public License as published by
12    the Free Software Foundation; either version 3 of the License, or
13    (at your option) any later version.
14 
15    This program is distributed in the hope that it will be useful,
16    but WITHOUT ANY WARRANTY; without even the implied warranty of
17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18    GNU General Public License for more details.
19 
20    You should have received a copy of the GNU General Public License
21    along with this program; if not, write to the Free Software Foundation,
22    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
23 
24 #ifndef _ELF_SCORE_H
25 #define _ELF_SCORE_H
26 
27 #include "elf/reloc-macros.h"
28 
29 #define SCORE_SIMULATOR_ACTIVE  1
30 #define OPC_PTMASK              0xc0000000      /* Parity-bit Mask.  */
31 #define OPC16_PTMASK		0x00008000
32 /* The parity-bit denotes.  */
33 #define OPC_32                  0xc0000000      /* Denotes 32b instruction, (default).  */
34 #define OPC_16                  0x00000000      /* Denotes 16b instruction.  */
35 #define OPC_PE                  0x8000          /* Denotes parallel-execution instructions.  */
36 #define GP_DISP_LABEL           "_gp_disp"
37 
38 /* Processor specific flags for the ELF header e_flags field:  */
39 #define EF_SCORE_MACH           0xffff0000
40 #define EF_OMIT_PIC_FIXDD       0x0fff0000
41 #define E_SCORE_MACH_SCORE3     0x00030000
42 #define E_SCORE_MACH_SCORE7     0x00070000
43 
44 /* File contains position independent code.  */
45 #define EF_SCORE_PIC            0x80000000
46 
47 /* Fix data dependency.  */
48 #define EF_SCORE_FIXDEP         0x40000000
49 
50 /* Defined and allocated common symbol.  Value is virtual address.  If
51    relocated, alignment must be preserved.  */
52 #define SHN_SCORE_TEXT		(SHN_LORESERVE + 1)
53 #define SHN_SCORE_DATA		(SHN_LORESERVE + 2)
54 /* Small common symbol.  */
55 #define SHN_SCORE_SCOMMON	(SHN_LORESERVE + 3)
56 
57 /* Processor specific section flags.  */
58 
59 /* This section must be in the global data area.  */
60 #define SHF_SCORE_GPREL		0x10000000
61 
62 /* This section should be merged.  */
63 #define SHF_SCORE_MERGE		0x20000000
64 
65 /* This section contains address data of size implied by section
66    element size.  */
67 #define SHF_SCORE_ADDR		0x40000000
68 
69 /* This section contains string data.  */
70 #define SHF_SCORE_STRING		0x80000000
71 
72 /* This section may not be stripped.  */
73 #define SHF_SCORE_NOSTRIP	0x08000000
74 
75 /* This section is local to threads.  */
76 #define SHF_SCORE_LOCAL		0x04000000
77 
78 /* Linker should generate implicit weak names for this section.  */
79 #define SHF_SCORE_NAMES		0x02000000
80 
81 /* Section contais text/data which may be replicated in other sections.
82    Linker should retain only one copy.  */
83 #define SHF_SCORE_NODUPES	0x01000000
84 
85 /* Processor specific dynamic array tags.  */
86 
87 /* Base address of the segment.  */
88 #define DT_SCORE_BASE_ADDRESS	0x70000001
89 /* Number of local global offset table entries.  */
90 #define DT_SCORE_LOCAL_GOTNO	0x70000002
91 /* Number of entries in the .dynsym section.  */
92 #define DT_SCORE_SYMTABNO	0x70000003
93 /* Index of first dynamic symbol in global offset table.  */
94 #define DT_SCORE_GOTSYM		0x70000004
95 /* Index of first external dynamic symbol not referenced locally.  */
96 #define DT_SCORE_UNREFEXTNO	0x70000005
97 /* Number of page table entries in global offset table.  */
98 #define DT_SCORE_HIPAGENO	0x70000006
99 
100 
101 /* Processor specific section types.  */
102 
103 
104 /* Relocation types.  */
105 START_RELOC_NUMBERS (elf_score_reloc_type)
106   RELOC_NUMBER (R_SCORE_NONE,           0)
107   RELOC_NUMBER (R_SCORE_HI16,           1)
108   RELOC_NUMBER (R_SCORE_LO16,           2)
109   RELOC_NUMBER (R_SCORE_BCMP,           3)
110   RELOC_NUMBER (R_SCORE_24,             4)
111   RELOC_NUMBER (R_SCORE_PC19,           5)
112   RELOC_NUMBER (R_SCORE16_11,           6)
113   RELOC_NUMBER (R_SCORE16_PC8,          7)
114   RELOC_NUMBER (R_SCORE_ABS32,          8)
115   RELOC_NUMBER (R_SCORE_ABS16,          9)
116   RELOC_NUMBER (R_SCORE_DUMMY2,         10)
117   RELOC_NUMBER (R_SCORE_GP15,           11)
118   RELOC_NUMBER (R_SCORE_GNU_VTINHERIT,  12)
119   RELOC_NUMBER (R_SCORE_GNU_VTENTRY,    13)
120   RELOC_NUMBER (R_SCORE_GOT15,          14)
121   RELOC_NUMBER (R_SCORE_GOT_LO16,       15)
122   RELOC_NUMBER (R_SCORE_CALL15,         16)
123   RELOC_NUMBER (R_SCORE_GPREL32,        17)
124   RELOC_NUMBER (R_SCORE_REL32,          18)
125   RELOC_NUMBER (R_SCORE_DUMMY_HI16,     19)
126   RELOC_NUMBER (R_SCORE_IMM30,          20)
127   RELOC_NUMBER (R_SCORE_IMM32,          21)
128 END_RELOC_NUMBERS (R_SCORE_max)
129 
130 #endif /* _ELF_SCORE_H */
131