1999-05-03 15:29:06 +08:00
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/* MN10300 ELF support for BFD.
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2007-10-30 23:18:29 +08:00
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Copyright 1998, 1999, 2000, 2003, 2007 Free Software Foundation, Inc.
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1999-05-03 15:29:06 +08:00
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2007-10-30 23:18:29 +08:00
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This file is part of BFD, the Binary File Descriptor library.
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1999-05-03 15:29:06 +08:00
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2007-10-30 23:18:29 +08:00
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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 3 of the License, or
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(at your option) any later version.
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1999-05-03 15:29:06 +08:00
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2007-10-30 23:18:29 +08:00
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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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1999-05-03 15:29:06 +08:00
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2007-10-30 23:18:29 +08:00
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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
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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1999-05-03 15:29:06 +08:00
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2007-10-30 23:18:29 +08:00
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/* This file holds definitions specific to the MN10300 ELF ABI. */
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1999-05-03 15:29:06 +08:00
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#ifndef _ELF_MN10300_H
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#define _ELF_MN10300_H
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#include "elf/reloc-macros.h"
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/* Relocations. */
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START_RELOC_NUMBERS (elf_mn10300_reloc_type)
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RELOC_NUMBER (R_MN10300_NONE, 0)
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RELOC_NUMBER (R_MN10300_32, 1)
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RELOC_NUMBER (R_MN10300_16, 2)
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RELOC_NUMBER (R_MN10300_8, 3)
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RELOC_NUMBER (R_MN10300_PCREL32, 4)
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RELOC_NUMBER (R_MN10300_PCREL16, 5)
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RELOC_NUMBER (R_MN10300_PCREL8, 6)
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RELOC_NUMBER (R_MN10300_GNU_VTINHERIT, 7)
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RELOC_NUMBER (R_MN10300_GNU_VTENTRY, 8)
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RELOC_NUMBER (R_MN10300_24, 9)
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2001-05-16 Alexandre Oliva <aoliva@redhat.com>
* mn10300.h: Introduce GOTPC16, GOTOFF24, GOTOFF16 and
PLT16, and rename GOTPC to GOTPC32 and GOTOFF to GOTOFF32.
Renumbered all relocs.
2001-04-12 Alexandre Oliva <aoliva@redhat.com>
* mn10300.h (R_MN10300_GOTPC, R_MN10300_GOTOFF,
R_MN10300_PLT32, R_MN10300_GOT32, R_MN10300_GOT24,
R_MN10300_GOT16, R_MN10300_COPY, R_MN10300_GLOB_DAT,
R_MN10300_JMP_SLOT, R_MN10300_RELATIVE): New relocs.
2003-07-10 11:19:40 +08:00
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RELOC_NUMBER (R_MN10300_GOTPC32, 10)
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RELOC_NUMBER (R_MN10300_GOTPC16, 11)
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RELOC_NUMBER (R_MN10300_GOTOFF32, 12)
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RELOC_NUMBER (R_MN10300_GOTOFF24, 13)
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RELOC_NUMBER (R_MN10300_GOTOFF16, 14)
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RELOC_NUMBER (R_MN10300_PLT32, 15)
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RELOC_NUMBER (R_MN10300_PLT16, 16)
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RELOC_NUMBER (R_MN10300_GOT32, 17)
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RELOC_NUMBER (R_MN10300_GOT24, 18)
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RELOC_NUMBER (R_MN10300_GOT16, 19)
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RELOC_NUMBER (R_MN10300_COPY, 20)
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RELOC_NUMBER (R_MN10300_GLOB_DAT, 21)
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RELOC_NUMBER (R_MN10300_JMP_SLOT, 22)
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RELOC_NUMBER (R_MN10300_RELATIVE, 23)
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* mn10300.h (elf_mn10300_reloc_type): Add R_MN10300_TLS_GD,
R_MN10300_TLS_LD, R_MN10300_TLS_LDO, R_MN10300_TLS_GOTIE,
R_MN10300_TLS_IE, R_MN10300_TLS_LE, R_MN10300_TLS_DPTMOD,
R_MN10300_TLS_DTPOFF and R_MN10300_TLS_TPOFF.
* elf-m10300.c (elf32_mn10300_link_hash_entry): Add tls_type
field.
(elf32_mn10300_link_hash_table): Add tls_ldm_got entry;
(elf_mn10300_tdata): Define.
(elf_mn10300_local_got_tls_type): Define.
(elf_mn10300_howto_table): Add entries for R_MN10300_TLS_GD,
R_MN10300_TLS_LD, R_MN10300_TLS_LDO, R_MN10300_TLS_GOTIE,
R_MN10300_TLS_IE, R_MN10300_TLS_LE, R_MN10300_TLS_DPTMOD,
R_MN10300_TLS_DTPOFF, R_MN10300_TLS_TPOFF relocs.
(mn10300_reloc_map): Likewise.
(elf_mn10300_tls_transition): New function.
(dtpoff, tpoff, mn10300_do_tls_transition): New functions.
(mn10300_elf_check_relocs): Add TLS support.
(mn10300_elf_final_link_relocate): Likewise.
(mn10300_elf_relocate_section): Likewise.
(mn10300_elf_relax_section): Likewise.
(elf32_mn10300_link_hash_newfunc): Initialise new field.
(_bfd_mn10300_copy_indirect_symbol): New function.
(elf32_mn10300_link_hash_table_create): Initialise new fields.
(_bfd_mn10300_elf_size_dynamic_sections): Add TLS support.
(_bfd_mn10300_elf_finish_dynamic_symbol): Likewise.
(_bfd_mn10300_elf_reloc_type_class): Allocate an
elf_mn10300_obj_tdata structure.
(elf_backend_copy_indirect_symbol): Define.
* reloc.c (BFD_MN10300_TLS_GD, BFD_MN10300_TLS_LD,
BFD_MN10300_TLS_LDO, BFD_MN10300_TLS_GOTIE, BFD_MN10300_TLS_IE,
BFD_MN10300_TLS_LE, BFD_MN10300_TLS_DPTMOD,
BFD_MN10300_TLS_DTPOFF, BFD_MN10300_TLS_TPOFF): New relocations.
(BFD_RELOC_MN10300_32_PCREL, BFD_RELOC_MN10300_16_PCREL): Move to
alongside other MN10300 relocations.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
* config/tc-mn10300.c (other_registers): Add SSP and USP.
(md_assemble): Add support for TLS relocs.
(mn10300_parse_name): Likewise.
* readelf.c (is_16bit_abs_reloc): Add detection of R_MN10300_16.
2012-03-08 01:51:56 +08:00
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RELOC_NUMBER (R_MN10300_TLS_GD, 24)
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RELOC_NUMBER (R_MN10300_TLS_LD, 25)
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RELOC_NUMBER (R_MN10300_TLS_LDO, 26)
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RELOC_NUMBER (R_MN10300_TLS_GOTIE, 27)
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RELOC_NUMBER (R_MN10300_TLS_IE, 28)
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RELOC_NUMBER (R_MN10300_TLS_LE, 29)
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RELOC_NUMBER (R_MN10300_TLS_DTPMOD, 30)
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RELOC_NUMBER (R_MN10300_TLS_DTPOFF, 31)
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RELOC_NUMBER (R_MN10300_TLS_TPOFF, 32)
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2007-10-20 01:31:31 +08:00
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RELOC_NUMBER (R_MN10300_SYM_DIFF, 33)
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2007-10-30 23:18:29 +08:00
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RELOC_NUMBER (R_MN10300_ALIGN, 34)
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2000-06-07 11:43:33 +08:00
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END_RELOC_NUMBERS (R_MN10300_MAX)
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1999-05-03 15:29:06 +08:00
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/* Machine variant if we know it. This field was invented at Cygnus,
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but it is hoped that other vendors will adopt it. If some standard
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2007-10-30 23:18:29 +08:00
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is developed, this code should be changed to follow it. */
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1999-05-03 15:29:06 +08:00
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#define EF_MN10300_MACH 0x00FF0000
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/* Cygnus is choosing values between 80 and 9F;
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00 - 7F should be left for a future standard;
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2007-10-30 23:18:29 +08:00
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the rest are open. */
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1999-05-03 15:29:06 +08:00
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#define E_MN10300_MACH_MN10300 0x00810000
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1999-12-01 18:06:15 +08:00
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#define E_MN10300_MACH_AM33 0x00820000
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2003-07-10 10:49:00 +08:00
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#define E_MN10300_MACH_AM33_2 0x00830000
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1999-05-03 15:29:06 +08:00
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#endif /* _ELF_MN10300_H */
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