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

1 files changed, 31 insertions, 0 deletions

diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index bba8757..82537c1 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -5071,6 +5071,37 @@ value in a word.  The relocation is relative offset from  */
 the dynamic object into the runtime process image.  */
   BFD_RELOC_MICROBLAZE_COPY,
 
+/* Unused Reloc  */
+  BFD_RELOC_MICROBLAZE_64_TLS,
+
+/* This is a 64 bit reloc that stores the 32 bit GOT relative value
+of the GOT TLS GD info entry in two words (with an imm instruction). The
+relocation is GOT offset.  */
+  BFD_RELOC_MICROBLAZE_64_TLSGD,
+
+/* This is a 64 bit reloc that stores the 32 bit GOT relative value
+of the GOT TLS LD info entry in two words (with an imm instruction). The
+relocation is GOT offset.  */
+  BFD_RELOC_MICROBLAZE_64_TLSLD,
+
+/* This is a 32 bit reloc that stores the Module ID to GOT(n).  */
+  BFD_RELOC_MICROBLAZE_32_TLSDTPMOD,
+
+/* This is a 32 bit reloc that stores TLS offset to GOT(n+1).  */
+  BFD_RELOC_MICROBLAZE_32_TLSDTPREL,
+
+/* This is a 32 bit reloc for storing TLS offset to two words (uses imm
+instruction)  */
+  BFD_RELOC_MICROBLAZE_64_TLSDTPREL,
+
+/* This is a 64 bit reloc that stores 32-bit thread pointer relative offset
+to two words (uses imm instruction).  */
+  BFD_RELOC_MICROBLAZE_64_TLSGOTTPREL,
+
+/* This is a 64 bit reloc that stores 32-bit thread pointer relative offset
+to two words (uses imm instruction).  */
+  BFD_RELOC_MICROBLAZE_64_TLSTPREL,
+
 /* AArch64 ADD immediate instruction, holding bits 0 to 11 of the address.
 Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL.  */
   BFD_RELOC_AARCH64_ADD_LO12,