| 5191 |
serge |
1 |
/* ALPHA ELF support for BFD. |
| 6324 |
serge |
2 |
Copyright (C) 1996-2015 Free Software Foundation, Inc. |
| 5191 |
serge |
3 |
|
|
|
4 |
By Eric Youngdale, . No processor supplement available |
|
|
5 |
for this platform. |
|
|
6 |
|
|
|
7 |
This file is part of BFD, the Binary File Descriptor library. |
|
|
8 |
|
|
|
9 |
This program is free software; you can redistribute it and/or modify |
|
|
10 |
it under the terms of the GNU General Public License as published by |
|
|
11 |
the Free Software Foundation; either version 3 of the License, or |
|
|
12 |
(at your option) any later version. |
|
|
13 |
|
|
|
14 |
This program is distributed in the hope that it will be useful, |
|
|
15 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
|
16 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
|
17 |
GNU General Public License for more details. |
|
|
18 |
|
|
|
19 |
You should have received a copy of the GNU General Public License |
|
|
20 |
along with this program; if not, write to the Free Software |
|
|
21 |
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
|
|
22 |
MA 02110-1301, USA. */ |
|
|
23 |
|
|
|
24 |
/* This file holds definitions specific to the ALPHA ELF ABI. Note |
|
|
25 |
that most of this is not actually implemented by BFD. */ |
|
|
26 |
|
|
|
27 |
#ifndef _ELF_ALPHA_H |
|
|
28 |
#define _ELF_ALPHA_H |
|
|
29 |
|
|
|
30 |
/* Processor specific flags for the ELF header e_flags field. */ |
|
|
31 |
|
|
|
32 |
/* All addresses must be below 2GB. */ |
|
|
33 |
#define EF_ALPHA_32BIT 0x00000001 |
|
|
34 |
|
|
|
35 |
/* All relocations needed for relaxation with code movement are present. */ |
|
|
36 |
#define EF_ALPHA_CANRELAX 0x00000002 |
|
|
37 |
|
|
|
38 |
/* Processor specific section flags. */ |
|
|
39 |
|
|
|
40 |
/* This section must be in the global data area. */ |
|
|
41 |
#define SHF_ALPHA_GPREL 0x10000000 |
|
|
42 |
|
|
|
43 |
/* Section contains some sort of debugging information. The exact |
|
|
44 |
format is unspecified. It's probably ECOFF symbols. */ |
|
|
45 |
#define SHT_ALPHA_DEBUG 0x70000001 |
|
|
46 |
|
|
|
47 |
/* Section contains register usage information. */ |
|
|
48 |
#define SHT_ALPHA_REGINFO 0x70000002 |
|
|
49 |
|
|
|
50 |
/* A section of type SHT_MIPS_REGINFO contains the following |
|
|
51 |
structure. */ |
|
|
52 |
typedef struct |
|
|
53 |
{ |
|
|
54 |
/* Mask of general purpose registers used. */ |
|
|
55 |
unsigned long ri_gprmask; |
|
|
56 |
/* Mask of co-processor registers used. */ |
|
|
57 |
unsigned long ri_cprmask[4]; |
|
|
58 |
/* GP register value for this object file. */ |
|
|
59 |
long ri_gp_value; |
|
|
60 |
} Elf64_RegInfo; |
|
|
61 |
|
|
|
62 |
/* Special values for the st_other field in the symbol table. */ |
|
|
63 |
|
|
|
64 |
#define STO_ALPHA_NOPV 0x80 |
|
|
65 |
#define STO_ALPHA_STD_GPLOAD 0x88 |
|
|
66 |
|
|
|
67 |
/* Special values for Elf64_Dyn tag. */ |
|
|
68 |
#define DT_ALPHA_PLTRO DT_LOPROC |
|
|
69 |
|
|
|
70 |
#include "elf/reloc-macros.h" |
|
|
71 |
|
|
|
72 |
/* Alpha relocs. */ |
|
|
73 |
START_RELOC_NUMBERS (elf_alpha_reloc_type) |
|
|
74 |
RELOC_NUMBER (R_ALPHA_NONE, 0) /* No reloc */ |
|
|
75 |
RELOC_NUMBER (R_ALPHA_REFLONG, 1) /* Direct 32 bit */ |
|
|
76 |
RELOC_NUMBER (R_ALPHA_REFQUAD, 2) /* Direct 64 bit */ |
|
|
77 |
RELOC_NUMBER (R_ALPHA_GPREL32, 3) /* GP relative 32 bit */ |
|
|
78 |
RELOC_NUMBER (R_ALPHA_LITERAL, 4) /* GP relative 16 bit w/optimization */ |
|
|
79 |
RELOC_NUMBER (R_ALPHA_LITUSE, 5) /* Optimization hint for LITERAL */ |
|
|
80 |
RELOC_NUMBER (R_ALPHA_GPDISP, 6) /* Add displacement to GP */ |
|
|
81 |
RELOC_NUMBER (R_ALPHA_BRADDR, 7) /* PC+4 relative 23 bit shifted */ |
|
|
82 |
RELOC_NUMBER (R_ALPHA_HINT, 8) /* PC+4 relative 16 bit shifted */ |
|
|
83 |
RELOC_NUMBER (R_ALPHA_SREL16, 9) /* PC relative 16 bit */ |
|
|
84 |
RELOC_NUMBER (R_ALPHA_SREL32, 10) /* PC relative 32 bit */ |
|
|
85 |
RELOC_NUMBER (R_ALPHA_SREL64, 11) /* PC relative 64 bit */ |
|
|
86 |
|
|
|
87 |
/* Skip 12 - 16; deprecated ECOFF relocs. */ |
|
|
88 |
|
|
|
89 |
RELOC_NUMBER (R_ALPHA_GPRELHIGH, 17) /* GP relative 32 bit, high 16 bits */ |
|
|
90 |
RELOC_NUMBER (R_ALPHA_GPRELLOW, 18) /* GP relative 32 bit, low 16 bits */ |
|
|
91 |
RELOC_NUMBER (R_ALPHA_GPREL16, 19) /* GP relative 16 bit */ |
|
|
92 |
|
|
|
93 |
/* Skip 20 - 23; deprecated ECOFF relocs. */ |
|
|
94 |
|
|
|
95 |
/* These relocations are specific to shared libraries. */ |
|
|
96 |
RELOC_NUMBER (R_ALPHA_COPY, 24) /* Copy symbol at runtime */ |
|
|
97 |
RELOC_NUMBER (R_ALPHA_GLOB_DAT, 25) /* Create GOT entry */ |
|
|
98 |
RELOC_NUMBER (R_ALPHA_JMP_SLOT, 26) /* Create PLT entry */ |
|
|
99 |
RELOC_NUMBER (R_ALPHA_RELATIVE, 27) /* Adjust by program base */ |
|
|
100 |
|
|
|
101 |
/* Like BRADDR, but assert that the source and target object file |
|
|
102 |
share the same GP value, and adjust the target address for |
|
|
103 |
STO_ALPHA_STD_GPLOAD. */ |
|
|
104 |
RELOC_NUMBER (R_ALPHA_BRSGP, 28) |
|
|
105 |
|
|
|
106 |
/* Thread-Local Storage. */ |
|
|
107 |
RELOC_NUMBER (R_ALPHA_TLSGD, 29) |
|
|
108 |
RELOC_NUMBER (R_ALPHA_TLSLDM, 30) |
|
|
109 |
RELOC_NUMBER (R_ALPHA_DTPMOD64, 31) |
|
|
110 |
RELOC_NUMBER (R_ALPHA_GOTDTPREL, 32) |
|
|
111 |
RELOC_NUMBER (R_ALPHA_DTPREL64, 33) |
|
|
112 |
RELOC_NUMBER (R_ALPHA_DTPRELHI, 34) |
|
|
113 |
RELOC_NUMBER (R_ALPHA_DTPRELLO, 35) |
|
|
114 |
RELOC_NUMBER (R_ALPHA_DTPREL16, 36) |
|
|
115 |
RELOC_NUMBER (R_ALPHA_GOTTPREL, 37) |
|
|
116 |
RELOC_NUMBER (R_ALPHA_TPREL64, 38) |
|
|
117 |
RELOC_NUMBER (R_ALPHA_TPRELHI, 39) |
|
|
118 |
RELOC_NUMBER (R_ALPHA_TPRELLO, 40) |
|
|
119 |
RELOC_NUMBER (R_ALPHA_TPREL16, 41) |
|
|
120 |
|
|
|
121 |
END_RELOC_NUMBERS (R_ALPHA_max) |
|
|
122 |
|
|
|
123 |
#define LITUSE_ALPHA_ADDR 0 |
|
|
124 |
#define LITUSE_ALPHA_BASE 1 |
|
|
125 |
#define LITUSE_ALPHA_BYTOFF 2 |
|
|
126 |
#define LITUSE_ALPHA_JSR 3 |
|
|
127 |
#define LITUSE_ALPHA_TLSGD 4 |
|
|
128 |
#define LITUSE_ALPHA_TLSLDM 5 |
|
|
129 |
#define LITUSE_ALPHA_JSRDIRECT 6 |
|
|
130 |
|
|
|
131 |
#endif /* _ELF_ALPHA_H */ |