source: trunk/libs/newlib/src/include/elf/alpha.h @ 500

Last change on this file since 500 was 444, checked in by satin@…, 7 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
File size: 4.7 KB
Line 
1/* ALPHA ELF support for BFD.
2   Copyright 1996, 1998, 2000, 2001, 2002, 2010 Free Software Foundation, Inc.
3
4   By Eric Youngdale, <eric@aib.com>.  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.  */
52typedef 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.  */
73START_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
121END_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 */
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