| 1 |
227 |
jeremybenn |
/* CRIS ELF support for BFD.
|
| 2 |
|
|
Copyright 2000, 2001, 2004 Free Software Foundation, Inc.
|
| 3 |
|
|
Contributed by Axis Communications AB, Lund, Sweden.
|
| 4 |
|
|
Written by Hans-Peter Nilsson.
|
| 5 |
|
|
|
| 6 |
|
|
This file is part of BFD, the Binary File Descriptor library.
|
| 7 |
|
|
|
| 8 |
|
|
This program is free software; you can redistribute it and/or modify
|
| 9 |
|
|
it under the terms of the GNU General Public License as published by
|
| 10 |
|
|
the Free Software Foundation; either version 2 of the License, or
|
| 11 |
|
|
(at your option) any later version.
|
| 12 |
|
|
|
| 13 |
|
|
This program is distributed in the hope that it will be useful,
|
| 14 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 15 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 16 |
|
|
GNU General Public License for more details.
|
| 17 |
|
|
|
| 18 |
|
|
You should have received a copy of the GNU General Public License
|
| 19 |
|
|
along with this program; if not, write to the Free Software Foundation, Inc.,
|
| 20 |
|
|
51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
|
| 21 |
|
|
|
| 22 |
|
|
#ifndef _ELF_CRIS_H
|
| 23 |
|
|
#define _ELF_CRIS_H
|
| 24 |
|
|
|
| 25 |
|
|
#include "elf/reloc-macros.h"
|
| 26 |
|
|
|
| 27 |
|
|
/* Relocations. */
|
| 28 |
|
|
START_RELOC_NUMBERS (elf_cris_reloc_type)
|
| 29 |
|
|
RELOC_NUMBER (R_CRIS_NONE, 0)
|
| 30 |
|
|
RELOC_NUMBER (R_CRIS_8, 1)
|
| 31 |
|
|
RELOC_NUMBER (R_CRIS_16, 2)
|
| 32 |
|
|
RELOC_NUMBER (R_CRIS_32, 3)
|
| 33 |
|
|
|
| 34 |
|
|
/* The "PC" position is the location right after the relocation. */
|
| 35 |
|
|
RELOC_NUMBER (R_CRIS_8_PCREL, 4)
|
| 36 |
|
|
RELOC_NUMBER (R_CRIS_16_PCREL, 5)
|
| 37 |
|
|
RELOC_NUMBER (R_CRIS_32_PCREL, 6)
|
| 38 |
|
|
|
| 39 |
|
|
RELOC_NUMBER (R_CRIS_GNU_VTINHERIT, 7)
|
| 40 |
|
|
RELOC_NUMBER (R_CRIS_GNU_VTENTRY, 8)
|
| 41 |
|
|
|
| 42 |
|
|
/* Copy contents at dynlinking. Generated by the linker.
|
| 43 |
|
|
The BFD equivalent is BFD_RELOC_CRIS_COPY. */
|
| 44 |
|
|
RELOC_NUMBER (R_CRIS_COPY, 9)
|
| 45 |
|
|
|
| 46 |
|
|
/* Create GOT entry. Generated by the linker.
|
| 47 |
|
|
The BFD equivalent is BFD_RELOC_CRIS_GLOB_DAT. */
|
| 48 |
|
|
RELOC_NUMBER (R_CRIS_GLOB_DAT, 10)
|
| 49 |
|
|
|
| 50 |
|
|
/* Create PLT entry. Generated by the linker.
|
| 51 |
|
|
The BFD equivalent is BFD_RELOC_CRIS_JUMP_SLOT. */
|
| 52 |
|
|
RELOC_NUMBER (R_CRIS_JUMP_SLOT, 11)
|
| 53 |
|
|
|
| 54 |
|
|
/* Adjust by program base. Generated by the linker.
|
| 55 |
|
|
The BFD equivalent is BFD_RELOC_CRIS_RELATIVE. */
|
| 56 |
|
|
RELOC_NUMBER (R_CRIS_RELATIVE, 12)
|
| 57 |
|
|
|
| 58 |
|
|
/* A 16-bit offset to entry in GOT and request to create GOT entry for
|
| 59 |
|
|
that symbol.
|
| 60 |
|
|
The BFD equivalent is BFD_RELOC_CRIS_16_GOT. */
|
| 61 |
|
|
RELOC_NUMBER (R_CRIS_16_GOT, 13)
|
| 62 |
|
|
|
| 63 |
|
|
/* A 32-bit offset to entry in GOT and request to create GOT entry for
|
| 64 |
|
|
that symbol.
|
| 65 |
|
|
The BFD equivalent is BFD_RELOC_CRIS_32_GOT. */
|
| 66 |
|
|
RELOC_NUMBER (R_CRIS_32_GOT, 14)
|
| 67 |
|
|
|
| 68 |
|
|
/* A 16-bit offset to entry in PLT part of GOT and request to create PLT
|
| 69 |
|
|
entry for that symbol.
|
| 70 |
|
|
The BFD equivalent is BFD_RELOC_CRIS_16_GOTPLT. */
|
| 71 |
|
|
RELOC_NUMBER (R_CRIS_16_GOTPLT, 15)
|
| 72 |
|
|
|
| 73 |
|
|
/* A 32-bit offset to entry in PLT part of GOT and request to create PLT
|
| 74 |
|
|
entry for that symbol.
|
| 75 |
|
|
The BFD equivalent is BFD_RELOC_CRIS_32_GOTPLT. */
|
| 76 |
|
|
RELOC_NUMBER (R_CRIS_32_GOTPLT, 16)
|
| 77 |
|
|
|
| 78 |
|
|
/* A 32-bit offset from GOT to (local) symbol: no GOT entry should be
|
| 79 |
|
|
necessary.
|
| 80 |
|
|
The BFD equivalent is BFD_RELOC_CRIS_32_GOTREL. */
|
| 81 |
|
|
RELOC_NUMBER (R_CRIS_32_GOTREL, 17)
|
| 82 |
|
|
|
| 83 |
|
|
/* A 32-bit offset from GOT to entry for this symbol in PLT and request
|
| 84 |
|
|
to create PLT entry for symbol.
|
| 85 |
|
|
The BFD equivalent is BFD_RELOC_CRIS_32_GOTREL. */
|
| 86 |
|
|
RELOC_NUMBER (R_CRIS_32_PLT_GOTREL, 18)
|
| 87 |
|
|
|
| 88 |
|
|
/* A 32-bit offset from location after this relocation (addend specifies
|
| 89 |
|
|
offset) to entry for this symbol in PLT and request to create PLT
|
| 90 |
|
|
entry for symbol.
|
| 91 |
|
|
The BFD equivalent is BFD_RELOC_CRIS_32_PLT_PCREL. */
|
| 92 |
|
|
RELOC_NUMBER (R_CRIS_32_PLT_PCREL, 19)
|
| 93 |
|
|
|
| 94 |
|
|
/* An assembler-generated-only relocation, instructing the linker to
|
| 95 |
|
|
reserve two GOT slots, carrying the R_CRIS_DTP relocation for the
|
| 96 |
|
|
symbol (pointing to the first slot, the relocation fills in
|
| 97 |
|
|
both). The value is a 32-bit-value, relative to the start of the
|
| 98 |
|
|
GOT. Assembly syntax: "sym:GDGOTREL". */
|
| 99 |
|
|
RELOC_NUMBER (R_CRIS_32_GOT_GD, 20)
|
| 100 |
|
|
|
| 101 |
|
|
/* Similar to R_CRIS_32_GOT_GD, but the value is a 16-bit unsigned
|
| 102 |
|
|
number, limiting access to 65536/4 global symbols per module (or
|
| 103 |
|
|
65536/8 thread variables; loosely speaking G*4+T*8 < 65536, where
|
| 104 |
|
|
T is the number of thread variables and G is the number of other
|
| 105 |
|
|
external global variables and functions). Assembly syntax:
|
| 106 |
|
|
"sym:GDGOTREL16". */
|
| 107 |
|
|
RELOC_NUMBER (R_CRIS_16_GOT_GD, 21)
|
| 108 |
|
|
|
| 109 |
|
|
/* Similar to R_CRIS_32_GOT_GD, but the value is the absolute
|
| 110 |
|
|
address of the GOT entry. Disallowed in DSOs created with
|
| 111 |
|
|
-shared. Assembly syntax: "sym:GD". */
|
| 112 |
|
|
RELOC_NUMBER (R_CRIS_32_GD, 22)
|
| 113 |
|
|
|
| 114 |
|
|
/* A linker-generated-only relocation, instructing the dynamic
|
| 115 |
|
|
linker to fill in the module ID and module-relative-TLS-block
|
| 116 |
|
|
offset of the symbol in question, used for GOT entries. Note
|
| 117 |
|
|
that this relocation instructs to fill in two 32-bit values. */
|
| 118 |
|
|
RELOC_NUMBER (R_CRIS_DTP, 23)
|
| 119 |
|
|
|
| 120 |
|
|
/* An assembler-generated-only relocation, instructing the linker to
|
| 121 |
|
|
reserve the first two GOT slots, and attach the R_CRIS_DTPMOD
|
| 122 |
|
|
relocation(*) for the module to the first slot, the second
|
| 123 |
|
|
containing zero. The value is 32 bits, the offset from the start
|
| 124 |
|
|
of the TLS block of the module to the thread-local symbol
|
| 125 |
|
|
mentioned in the relocation. This relocation must only be applied
|
| 126 |
|
|
to module-local symbols. Assembly syntax: "expr:DTPREL". */
|
| 127 |
|
|
RELOC_NUMBER (R_CRIS_32_DTPREL, 24)
|
| 128 |
|
|
|
| 129 |
|
|
/* Similar to R_CRIS_32_DTPREL, but the value is a 16-bit signed
|
| 130 |
|
|
number, limiting the size of thread-variables of the DSO to 32768
|
| 131 |
|
|
bytes. (Note: matches both model 1 and 2 and allows use of addo.w
|
| 132 |
|
|
as the instruction where this relocation is used.) Assembly
|
| 133 |
|
|
syntax: "expr:DTPREL16". */
|
| 134 |
|
|
RELOC_NUMBER (R_CRIS_16_DTPREL, 25)
|
| 135 |
|
|
|
| 136 |
|
|
/* An assembler-generated-only relocation, instructing the linker to
|
| 137 |
|
|
reserve a GOT slot and attach the R_CRIS_32_TPREL relocation for
|
| 138 |
|
|
the symbol in question. The value is 32 bits, which is the
|
| 139 |
|
|
GOT-relative offset of the slot. Assembly syntax:
|
| 140 |
|
|
"sym:TPOFFGOT". */
|
| 141 |
|
|
RELOC_NUMBER (R_CRIS_32_GOT_TPREL, 26)
|
| 142 |
|
|
|
| 143 |
|
|
/* Similar to R_CRIS_32_TPREL, but the value is a 16-bit positive
|
| 144 |
|
|
number, limiting the number of thread- and global variables of
|
| 145 |
|
|
the DSO to 32768/4. Assembly syntax: "sym:TPOFFGOT16". */
|
| 146 |
|
|
RELOC_NUMBER (R_CRIS_16_GOT_TPREL, 27)
|
| 147 |
|
|
|
| 148 |
|
|
/* An assembler- and linker-generated relocation, instructing to
|
| 149 |
|
|
resolve the symbol in question yielding the TLS offset of the
|
| 150 |
|
|
thread variable, relative to the global TLS block. Not allowed
|
| 151 |
|
|
as input when generating a DSO. Assembly syntax:
|
| 152 |
|
|
"expr:TPOFF". */
|
| 153 |
|
|
RELOC_NUMBER (R_CRIS_32_TPREL, 28)
|
| 154 |
|
|
|
| 155 |
|
|
/* Similar to R_CRIS_32_TPREL, but only applicable to executables
|
| 156 |
|
|
compiled with -msmall-tls. Not allowed in a DSO. The value is a
|
| 157 |
|
|
16-bit signed number, limiting the size of thread-variables of
|
| 158 |
|
|
the executable to 32768 bytes. (Note: being signed makes it match
|
| 159 |
|
|
both model 1 and 2 and allows use of addo.w as the instruction
|
| 160 |
|
|
where this relocation is applied.) Assembly syntax:
|
| 161 |
|
|
"expr:TPOFF16". */
|
| 162 |
|
|
RELOC_NUMBER (R_CRIS_16_TPREL, 29)
|
| 163 |
|
|
|
| 164 |
|
|
/* A linker-generated-only relocation, instructing the dynamic
|
| 165 |
|
|
linker to fill in the current module ID, used for GOT entries
|
| 166 |
|
|
(usually the fourth one). */
|
| 167 |
|
|
RELOC_NUMBER (R_CRIS_DTPMOD, 30)
|
| 168 |
|
|
|
| 169 |
|
|
/* Similar to R_CRIS_32_GOT_TPREL, but the value is the absolute
|
| 170 |
|
|
address of the GOT entry. Disallowed in DSOs created with
|
| 171 |
|
|
-shared. Assembly syntax: "sym:IE". */
|
| 172 |
|
|
RELOC_NUMBER (R_CRIS_32_IE, 31)
|
| 173 |
|
|
|
| 174 |
|
|
/* No other relocs must be visible outside the assembler. */
|
| 175 |
|
|
|
| 176 |
|
|
END_RELOC_NUMBERS (R_CRIS_max)
|
| 177 |
|
|
|
| 178 |
|
|
/* User symbols in this file have a leading underscore. */
|
| 179 |
|
|
#define EF_CRIS_UNDERSCORE 0x00000001
|
| 180 |
|
|
|
| 181 |
|
|
/* This is a mask for different incompatible machine variants. */
|
| 182 |
|
|
#define EF_CRIS_VARIANT_MASK 0x0000000e
|
| 183 |
|
|
|
| 184 |
|
|
/* Variant 0; may contain v0..10 object. */
|
| 185 |
|
|
#define EF_CRIS_VARIANT_ANY_V0_V10 0x00000000
|
| 186 |
|
|
|
| 187 |
|
|
/* Variant 1; contains v32 object. */
|
| 188 |
|
|
#define EF_CRIS_VARIANT_V32 0x00000002
|
| 189 |
|
|
|
| 190 |
|
|
/* Variant 2; contains object compatible with v32 and v10. */
|
| 191 |
|
|
#define EF_CRIS_VARIANT_COMMON_V10_V32 0x00000004
|
| 192 |
|
|
|
| 193 |
|
|
#endif /* _ELF_CRIS_H */
|
