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