binutils-gdb/include/elf/microblaze.h
Michael Eager 69b06cc85f Microblaze: Add support for handling TLS symbol suffixes and generating
TLS relocs for General Dynamic and Local Dynamic models.

bfd/Changelog
          * reloc.c: Add new relocations
          * bfd-in2.h: Regenerated
          * libbfd.h: Regenerated
          * elf32-microblaze.c (microblaze_elf_howto_raw):
            Add TLS relocations
            (microblaze_elf_reloc_type_lookup): Likewise
            (elf32_mb_link_hash_entry): define TLS reference types
            (elf32_mb_link_hash_table): add TLS Local dynamic GOT entry
            #define has_tls_reloc if section has TLS relocs
            (dtprel_base), (check_unique_offset): New
            (microblaze_elf_output_dynamic_relocation): output simple
            dynamic relocation into SRELOC.
            (microblaze_elf_relocate_section): Accommodate TLS relocations.
            (microblaze_elf_check_relocs): Likewise
            (update_local_sym_info): New
            (microblaze_elf_copy_indirect_symbol): Add tls_mask.
            (allocate_dynrelocs): Handle TLS symbol
            (microblaze_elf_size_dynamic_sections): Set size and offset
            (microblaze_elf_finish_dynamic_symbol): Use
             microblaze_elf_output_dynamic_relocation

gas/Changelog
          * config/tc-microblaze.c: Define TLS offsets
            (md_relax_table): Add TLS offsets
            (imm_types), (match_imm), (get_imm_otype): New to support
            TLS offsets.
            (tc_microblaze_fix_adjustable): Add TLS relocs.
            (md_convert_frag): Support TLS offsets.
            (md_apply_fix), (md_estimate_size_before_relax), (tc_gen_reloc):
            Add TLS relocs

include/Changelog
          * elf/microblaze.h: Add TLS relocs to START_RELOC_NUMBERS
2012-12-11 16:56:53 +00:00

72 lines
3.1 KiB
C

/* Xilinx MicroBlaze support for BFD.
Copyright 2009, 2010 Free Software Foundation, Inc.
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. */
/* This file holds definitions specific to the MICROBLAZE ELF ABI. */
#ifndef _ELF_MICROBLAZE_H
#define _ELF_MICROBLAZE_H
#include "elf/reloc-macros.h"
/* Relocations. */
START_RELOC_NUMBERS (elf_microblaze_reloc_type)
RELOC_NUMBER (R_MICROBLAZE_NONE, 0)
RELOC_NUMBER (R_MICROBLAZE_32, 1)
RELOC_NUMBER (R_MICROBLAZE_32_PCREL, 2)
RELOC_NUMBER (R_MICROBLAZE_64_PCREL, 3)
RELOC_NUMBER (R_MICROBLAZE_32_PCREL_LO, 4)
RELOC_NUMBER (R_MICROBLAZE_64, 5)
RELOC_NUMBER (R_MICROBLAZE_32_LO, 6)
RELOC_NUMBER (R_MICROBLAZE_SRO32, 7)
RELOC_NUMBER (R_MICROBLAZE_SRW32, 8)
RELOC_NUMBER (R_MICROBLAZE_64_NONE, 9)
RELOC_NUMBER (R_MICROBLAZE_32_SYM_OP_SYM, 10)
RELOC_NUMBER (R_MICROBLAZE_GNU_VTINHERIT, 11)
RELOC_NUMBER (R_MICROBLAZE_GNU_VTENTRY, 12)
RELOC_NUMBER (R_MICROBLAZE_GOTPC_64, 13) /* PC-relative GOT offset. */
RELOC_NUMBER (R_MICROBLAZE_GOT_64, 14) /* GOT entry offset. */
RELOC_NUMBER (R_MICROBLAZE_PLT_64, 15) /* PLT offset (PC-relative). */
RELOC_NUMBER (R_MICROBLAZE_REL, 16) /* Adjust by program base. */
RELOC_NUMBER (R_MICROBLAZE_JUMP_SLOT, 17) /* Create PLT entry. */
RELOC_NUMBER (R_MICROBLAZE_GLOB_DAT, 18) /* Create GOT entry. */
RELOC_NUMBER (R_MICROBLAZE_GOTOFF_64, 19) /* Offset relative to GOT. */
RELOC_NUMBER (R_MICROBLAZE_GOTOFF_32, 20) /* Offset relative to GOT. */
RELOC_NUMBER (R_MICROBLAZE_COPY, 21) /* Runtime copy. */
RELOC_NUMBER (R_MICROBLAZE_TLS, 22) /* TLS Reloc */
RELOC_NUMBER (R_MICROBLAZE_TLSGD, 23) /* TLS General Dynamic */
RELOC_NUMBER (R_MICROBLAZE_TLSLD, 24) /* TLS Local Dynamic */
RELOC_NUMBER (R_MICROBLAZE_TLSDTPMOD32, 25) /* TLS Module ID */
RELOC_NUMBER (R_MICROBLAZE_TLSDTPREL32, 26) /* TLS Offset Within TLS Block */
RELOC_NUMBER (R_MICROBLAZE_TLSDTPREL64, 27) /* TLS Offset Within TLS Block */
RELOC_NUMBER (R_MICROBLAZE_TLSGOTTPREL32, 28) /* TLS Offset From Thread Pointer */
RELOC_NUMBER (R_MICROBLAZE_TLSTPREL32, 29) /* TLS Offset From Thread Pointer */
END_RELOC_NUMBERS (R_MICROBLAZE_max)
/* Global base address names. */
#define RO_SDA_ANCHOR_NAME "_SDA2_BASE_"
#define RW_SDA_ANCHOR_NAME "_SDA_BASE_"
/* Section Attributes. */
#define SHF_MICROBLAZE_NOREAD 0x80000000
#endif /* _ELF_MICROBLAZE_H */