0,0 → 1,193 |
/* CRIS ELF support for BFD. |
Copyright 2000, 2001, 2004, 2010 Free Software Foundation, Inc. |
Contributed by Axis Communications AB, Lund, Sweden. |
Written by Hans-Peter Nilsson. |
|
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 3 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, |
Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
|
#ifndef _ELF_CRIS_H |
#define _ELF_CRIS_H |
|
#include "elf/reloc-macros.h" |
|
/* Relocations. */ |
START_RELOC_NUMBERS (elf_cris_reloc_type) |
RELOC_NUMBER (R_CRIS_NONE, 0) |
RELOC_NUMBER (R_CRIS_8, 1) |
RELOC_NUMBER (R_CRIS_16, 2) |
RELOC_NUMBER (R_CRIS_32, 3) |
|
/* The "PC" position is the location right after the relocation. */ |
RELOC_NUMBER (R_CRIS_8_PCREL, 4) |
RELOC_NUMBER (R_CRIS_16_PCREL, 5) |
RELOC_NUMBER (R_CRIS_32_PCREL, 6) |
|
RELOC_NUMBER (R_CRIS_GNU_VTINHERIT, 7) |
RELOC_NUMBER (R_CRIS_GNU_VTENTRY, 8) |
|
/* Copy contents at dynlinking. Generated by the linker. |
The BFD equivalent is BFD_RELOC_CRIS_COPY. */ |
RELOC_NUMBER (R_CRIS_COPY, 9) |
|
/* Create GOT entry. Generated by the linker. |
The BFD equivalent is BFD_RELOC_CRIS_GLOB_DAT. */ |
RELOC_NUMBER (R_CRIS_GLOB_DAT, 10) |
|
/* Create PLT entry. Generated by the linker. |
The BFD equivalent is BFD_RELOC_CRIS_JUMP_SLOT. */ |
RELOC_NUMBER (R_CRIS_JUMP_SLOT, 11) |
|
/* Adjust by program base. Generated by the linker. |
The BFD equivalent is BFD_RELOC_CRIS_RELATIVE. */ |
RELOC_NUMBER (R_CRIS_RELATIVE, 12) |
|
/* A 16-bit offset to entry in GOT and request to create GOT entry for |
that symbol. |
The BFD equivalent is BFD_RELOC_CRIS_16_GOT. */ |
RELOC_NUMBER (R_CRIS_16_GOT, 13) |
|
/* A 32-bit offset to entry in GOT and request to create GOT entry for |
that symbol. |
The BFD equivalent is BFD_RELOC_CRIS_32_GOT. */ |
RELOC_NUMBER (R_CRIS_32_GOT, 14) |
|
/* A 16-bit offset to entry in PLT part of GOT and request to create PLT |
entry for that symbol. |
The BFD equivalent is BFD_RELOC_CRIS_16_GOTPLT. */ |
RELOC_NUMBER (R_CRIS_16_GOTPLT, 15) |
|
/* A 32-bit offset to entry in PLT part of GOT and request to create PLT |
entry for that symbol. |
The BFD equivalent is BFD_RELOC_CRIS_32_GOTPLT. */ |
RELOC_NUMBER (R_CRIS_32_GOTPLT, 16) |
|
/* A 32-bit offset from GOT to (local) symbol: no GOT entry should be |
necessary. |
The BFD equivalent is BFD_RELOC_CRIS_32_GOTREL. */ |
RELOC_NUMBER (R_CRIS_32_GOTREL, 17) |
|
/* A 32-bit offset from GOT to entry for this symbol in PLT and request |
to create PLT entry for symbol. |
The BFD equivalent is BFD_RELOC_CRIS_32_GOTREL. */ |
RELOC_NUMBER (R_CRIS_32_PLT_GOTREL, 18) |
|
/* A 32-bit offset from location after this relocation (addend specifies |
offset) to entry for this symbol in PLT and request to create PLT |
entry for symbol. |
The BFD equivalent is BFD_RELOC_CRIS_32_PLT_PCREL. */ |
RELOC_NUMBER (R_CRIS_32_PLT_PCREL, 19) |
|
/* An assembler-generated-only relocation, instructing the linker to |
reserve two GOT slots, carrying the R_CRIS_DTP relocation for the |
symbol (pointing to the first slot, the relocation fills in |
both). The value is a 32-bit-value, relative to the start of the |
GOT. Assembly syntax: "sym:GDGOTREL". */ |
RELOC_NUMBER (R_CRIS_32_GOT_GD, 20) |
|
/* Similar to R_CRIS_32_GOT_GD, but the value is a 16-bit unsigned |
number, limiting access to 65536/4 global symbols per module (or |
65536/8 thread variables; loosely speaking G*4+T*8 < 65536, where |
T is the number of thread variables and G is the number of other |
external global variables and functions). Assembly syntax: |
"sym:GDGOTREL16". */ |
RELOC_NUMBER (R_CRIS_16_GOT_GD, 21) |
|
/* Similar to R_CRIS_32_GOT_GD, but the value is the absolute |
address of the GOT entry. Disallowed in DSOs created with |
-shared. Assembly syntax: "sym:GD". */ |
RELOC_NUMBER (R_CRIS_32_GD, 22) |
|
/* A linker-generated-only relocation, instructing the dynamic |
linker to fill in the module ID and module-relative-TLS-block |
offset of the symbol in question, used for GOT entries. Note |
that this relocation instructs to fill in two 32-bit values. */ |
RELOC_NUMBER (R_CRIS_DTP, 23) |
|
/* An assembler-generated-only relocation, instructing the linker to |
reserve the first two GOT slots, and attach the R_CRIS_DTPMOD |
relocation(*) for the module to the first slot, the second |
containing zero. The value is 32 bits, the offset from the start |
of the TLS block of the module to the thread-local symbol |
mentioned in the relocation. This relocation must only be applied |
to module-local symbols. Assembly syntax: "expr:DTPREL". */ |
RELOC_NUMBER (R_CRIS_32_DTPREL, 24) |
|
/* Similar to R_CRIS_32_DTPREL, but the value is a 16-bit signed |
number, limiting the size of thread-variables of the DSO to 32768 |
bytes. (Note: matches both model 1 and 2 and allows use of addo.w |
as the instruction where this relocation is used.) Assembly |
syntax: "expr:DTPREL16". */ |
RELOC_NUMBER (R_CRIS_16_DTPREL, 25) |
|
/* An assembler-generated-only relocation, instructing the linker to |
reserve a GOT slot and attach the R_CRIS_32_TPREL relocation for |
the symbol in question. The value is 32 bits, which is the |
GOT-relative offset of the slot. Assembly syntax: |
"sym:TPOFFGOT". */ |
RELOC_NUMBER (R_CRIS_32_GOT_TPREL, 26) |
|
/* Similar to R_CRIS_32_TPREL, but the value is a 16-bit positive |
number, limiting the number of thread- and global variables of |
the DSO to 32768/4. Assembly syntax: "sym:TPOFFGOT16". */ |
RELOC_NUMBER (R_CRIS_16_GOT_TPREL, 27) |
|
/* An assembler- and linker-generated relocation, instructing to |
resolve the symbol in question yielding the TLS offset of the |
thread variable, relative to the global TLS block. Not allowed |
as input when generating a DSO. Assembly syntax: |
"expr:TPOFF". */ |
RELOC_NUMBER (R_CRIS_32_TPREL, 28) |
|
/* Similar to R_CRIS_32_TPREL, but only applicable to executables |
compiled with -msmall-tls. Not allowed in a DSO. The value is a |
16-bit signed number, limiting the size of thread-variables of |
the executable to 32768 bytes. (Note: being signed makes it match |
both model 1 and 2 and allows use of addo.w as the instruction |
where this relocation is applied.) Assembly syntax: |
"expr:TPOFF16". */ |
RELOC_NUMBER (R_CRIS_16_TPREL, 29) |
|
/* A linker-generated-only relocation, instructing the dynamic |
linker to fill in the current module ID, used for GOT entries |
(usually the fourth one). */ |
RELOC_NUMBER (R_CRIS_DTPMOD, 30) |
|
/* Similar to R_CRIS_32_GOT_TPREL, but the value is the absolute |
address of the GOT entry. Disallowed in DSOs created with |
-shared. Assembly syntax: "sym:IE". */ |
RELOC_NUMBER (R_CRIS_32_IE, 31) |
|
/* No other relocs must be visible outside the assembler. */ |
|
END_RELOC_NUMBERS (R_CRIS_max) |
|
/* User symbols in this file have a leading underscore. */ |
#define EF_CRIS_UNDERSCORE 0x00000001 |
|
/* This is a mask for different incompatible machine variants. */ |
#define EF_CRIS_VARIANT_MASK 0x0000000e |
|
/* Variant 0; may contain v0..10 object. */ |
#define EF_CRIS_VARIANT_ANY_V0_V10 0x00000000 |
|
/* Variant 1; contains v32 object. */ |
#define EF_CRIS_VARIANT_V32 0x00000002 |
|
/* Variant 2; contains object compatible with v32 and v10. */ |
#define EF_CRIS_VARIANT_COMMON_V10_V32 0x00000004 |
|
#endif /* _ELF_CRIS_H */ |