diff options
| author | Daniel Jacobowitz <drow@false.org> | 2005-03-02 21:23:21 +0000 |
|---|---|---|
| committer | Daniel Jacobowitz <drow@false.org> | 2005-03-02 21:23:21 +0000 |
| commit | 0f20cc3522e7ec042e7c4dde886c1b99725316a9 (patch) | |
| tree | ff7050fe7ebe2d344335c0dd300afca8a1774249 /bfd | |
| parent | f4e584bd00f115a370c1975cf512285337022624 (diff) | |
| download | gdb-0f20cc3522e7ec042e7c4dde886c1b99725316a9.zip gdb-0f20cc3522e7ec042e7c4dde886c1b99725316a9.tar.gz gdb-0f20cc3522e7ec042e7c4dde886c1b99725316a9.tar.bz2 | |
* elfxx-mips.c (struct mips_got_entry): Add tls_type.
(struct mips_got_info): Add tls_gotno, tls_assigned_gotno,
and tls_ldm_offset.
(struct mips_elf_got_per_bfd_arg): Add global_count.
(struct mips_elf_count_tls_arg): New.
(struct mips_elf_hash_sort_data): Update comment for min_got_dynindx.
(struct mips_elf_link_hash_entry): Add tls_type and tls_got_offset.
(GOT_NORMAL, GOT_TLS_GD, GOT_TLS_LDM, GOT_TLS_IE)
(GOT_TLS_OFFSET_DONE, GOT_TLS_DONE): Define.
(TLS_RELOC_P): Define.
(TP_OFFSET, DTP_OFFSET): Define.
(dtprel_base, tprel_base): New functions.
(mips_elf_link_hash_newfunc): Initialize tls_type.
(mips_elf_got_entry_hash, mips_elf_got_entry_eq)
(mips_elf_multi_got_entry_hash, mips_elf_multi_got_entry_eq): Handle
TLS entries.
(mips_tls_got_relocs, mips_elf_count_local_tls_relocs)
(mips_elf_count_global_tls_entries, mips_elf_count_global_tls_relocs)
(mips_elf_output_dynamic_relocation, mips_elf_initialize_tls_slots)
(mips_tls_got_index): New functions.
(mips_elf_local_got_index): Add new R_SYMNDX, H, and R_TYPE
arguments. Pass them to mips_elf_create_local_got_entry. Use
mips_tls_got_index.
(mips_elf_global_got_index): Add new R_TYPE and INFO arguments.
Handle TLS entries.
(mips_elf_got_page, mips_elf_got16_entry): Update calls to
mips_elf_create_local_got_entry.
(mips_elf_create_local_got_entry): Add new R_SYMNDX, H, and R_TYPE
arguments. Handle TLS entries.
(mips_elf_sort_hash_table_f): Add non-TLS assertions.
(mips_elf_record_local_got_symbol): Add new TLS_FLAG argument. Handle
TLS entries.
(mips_elf_record_global_got_symbol): Likewise.
(mips_elf_make_got_per_bfd): Initialize new mips_got_info members.
Count TLS entries.
(mips_elf_merge_gots): Handle TLS entries when merging.
(mips_elf_initialize_tls_index): New function.
(mips_elf_set_global_got_offset): Handle TLS entries.
(mips_elf_adjust_gp): Handle TLS.
(mips_elf_multi_got): Remove redundant call to
mips_elf_resolve_final_got_entries. Initialize global_count.
Correct a comment. Initialize new TLS members of mips_got_info.
Assign TLS GOT indexes for new GOTs.
(mips_elf_create_got_section): Initialize new TLS members of
mips_got_info.
(mips_elf_calculate_relocation): Handle TLS relocs.
(_bfd_mips_elf_check_relocs): Likewise. Update calls to changed
functions.
(_bfd_mips_elf_always_size_sections): Handle TLS.
(_bfd_mips_elf_size_dynamic_sections): Likewise.
(_bfd_mips_elf_finish_dynamic_symbol): Likewise. Update calls to
changed functions.
(_bfd_mips_elf_copy_indirect_symbol): Copy tls_type.
(_bfd_mips_elf_hide_symbol): Handle TLS.
* elfn32-mips.c (elf_mips_howto_table_rel, elf_mips_howto_table_rela)
(mips_reloc_map): Add TLS relocs.
* elf32-mips.c (elf_mips_howto_table_rel, mips_reloc_map): Likewise.
* elf64-mips.c (mips_elf64_howto_table_rel)
(mips_elf64_howto_table_rela, mips_reloc_map): Likewise.
* reloc.c: Define new MIPS TLS relocations.
* libbfd.h, bfd-in2.h: Regenerated.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 65 | ||||
| -rw-r--r-- | bfd/bfd-in2.h | 13 | ||||
| -rw-r--r-- | bfd/elf32-mips.c | 171 | ||||
| -rw-r--r-- | bfd/elf64-mips.c | 285 | ||||
| -rw-r--r-- | bfd/elfn32-mips.c | 325 | ||||
| -rw-r--r-- | bfd/elfxx-mips.c | 872 | ||||
| -rw-r--r-- | bfd/libbfd.h | 13 | ||||
| -rw-r--r-- | bfd/reloc.c | 28 |
8 files changed, 1698 insertions, 74 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index b84bcf0..57cea9a 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,68 @@ +2005-03-02 Daniel Jacobowitz <dan@codesourcery.com> + Joseph Myers <joseph@codesourcery.com> + + * elfxx-mips.c (struct mips_got_entry): Add tls_type. + (struct mips_got_info): Add tls_gotno, tls_assigned_gotno, + and tls_ldm_offset. + (struct mips_elf_got_per_bfd_arg): Add global_count. + (struct mips_elf_count_tls_arg): New. + (struct mips_elf_hash_sort_data): Update comment for min_got_dynindx. + (struct mips_elf_link_hash_entry): Add tls_type and tls_got_offset. + (GOT_NORMAL, GOT_TLS_GD, GOT_TLS_LDM, GOT_TLS_IE) + (GOT_TLS_OFFSET_DONE, GOT_TLS_DONE): Define. + (TLS_RELOC_P): Define. + (TP_OFFSET, DTP_OFFSET): Define. + (dtprel_base, tprel_base): New functions. + (mips_elf_link_hash_newfunc): Initialize tls_type. + (mips_elf_got_entry_hash, mips_elf_got_entry_eq) + (mips_elf_multi_got_entry_hash, mips_elf_multi_got_entry_eq): Handle + TLS entries. + (mips_tls_got_relocs, mips_elf_count_local_tls_relocs) + (mips_elf_count_global_tls_entries, mips_elf_count_global_tls_relocs) + (mips_elf_output_dynamic_relocation, mips_elf_initialize_tls_slots) + (mips_tls_got_index): New functions. + (mips_elf_local_got_index): Add new R_SYMNDX, H, and R_TYPE + arguments. Pass them to mips_elf_create_local_got_entry. Use + mips_tls_got_index. + (mips_elf_global_got_index): Add new R_TYPE and INFO arguments. + Handle TLS entries. + (mips_elf_got_page, mips_elf_got16_entry): Update calls to + mips_elf_create_local_got_entry. + (mips_elf_create_local_got_entry): Add new R_SYMNDX, H, and R_TYPE + arguments. Handle TLS entries. + (mips_elf_sort_hash_table_f): Add non-TLS assertions. + (mips_elf_record_local_got_symbol): Add new TLS_FLAG argument. Handle + TLS entries. + (mips_elf_record_global_got_symbol): Likewise. + (mips_elf_make_got_per_bfd): Initialize new mips_got_info members. + Count TLS entries. + (mips_elf_merge_gots): Handle TLS entries when merging. + (mips_elf_initialize_tls_index): New function. + (mips_elf_set_global_got_offset): Handle TLS entries. + (mips_elf_adjust_gp): Handle TLS. + (mips_elf_multi_got): Remove redundant call to + mips_elf_resolve_final_got_entries. Initialize global_count. + Correct a comment. Initialize new TLS members of mips_got_info. + Assign TLS GOT indexes for new GOTs. + (mips_elf_create_got_section): Initialize new TLS members of + mips_got_info. + (mips_elf_calculate_relocation): Handle TLS relocs. + (_bfd_mips_elf_check_relocs): Likewise. Update calls to changed + functions. + (_bfd_mips_elf_always_size_sections): Handle TLS. + (_bfd_mips_elf_size_dynamic_sections): Likewise. + (_bfd_mips_elf_finish_dynamic_symbol): Likewise. Update calls to + changed functions. + (_bfd_mips_elf_copy_indirect_symbol): Copy tls_type. + (_bfd_mips_elf_hide_symbol): Handle TLS. + * elfn32-mips.c (elf_mips_howto_table_rel, elf_mips_howto_table_rela) + (mips_reloc_map): Add TLS relocs. + * elf32-mips.c (elf_mips_howto_table_rel, mips_reloc_map): Likewise. + * elf64-mips.c (mips_elf64_howto_table_rel) + (mips_elf64_howto_table_rela, mips_reloc_map): Likewise. + * reloc.c: Define new MIPS TLS relocations. + * libbfd.h, bfd-in2.h: Regenerated. + 2005-03-02 Jan Beulich <jbeulich@novell.com> * Makefile.am: Add dependency of cache.o on libiberty.h. diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index 1da3e69..626e066 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -2388,6 +2388,19 @@ to compensate for the borrow when the low bits are added. */ BFD_RELOC_MIPS_REL16, BFD_RELOC_MIPS_RELGOT, BFD_RELOC_MIPS_JALR, + BFD_RELOC_MIPS_TLS_DTPMOD32, + BFD_RELOC_MIPS_TLS_DTPREL32, + BFD_RELOC_MIPS_TLS_DTPMOD64, + BFD_RELOC_MIPS_TLS_DTPREL64, + BFD_RELOC_MIPS_TLS_GD, + BFD_RELOC_MIPS_TLS_LDM, + BFD_RELOC_MIPS_TLS_DTPREL_HI16, + BFD_RELOC_MIPS_TLS_DTPREL_LO16, + BFD_RELOC_MIPS_TLS_GOTTPREL, + BFD_RELOC_MIPS_TLS_TPREL32, + BFD_RELOC_MIPS_TLS_TPREL64, + BFD_RELOC_MIPS_TLS_TPREL_HI16, + BFD_RELOC_MIPS_TLS_TPREL_LO16, /* Fujitsu Frv Relocations. */ diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c index 7fc125c..e83b216 100644 --- a/bfd/elf32-mips.c +++ b/bfd/elf32-mips.c @@ -1,6 +1,6 @@ /* MIPS-specific support for 32-bit ELF Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, - 2003, 2004 Free Software Foundation, Inc. + 2003, 2004, 2005 Free Software Foundation, Inc. Most of the information added by Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>. @@ -545,6 +545,160 @@ static reloc_howto_type elf_mips_howto_table_rel[] = 0x00000000, /* src_mask */ 0x00000000, /* dst_mask */ FALSE), /* pcrel_offset */ + + /* TLS GD/LD dynamic relocations. */ + HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPMOD32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + HOWTO (R_MIPS_TLS_DTPREL32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), + EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), + + /* TLS general dynamic variable reference. */ + HOWTO (R_MIPS_TLS_GD, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GD", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic variable reference. */ + HOWTO (R_MIPS_TLS_LDM, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_LDM", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GOTTPREL", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS IE dynamic relocations. */ + HOWTO (R_MIPS_TLS_TPREL32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (R_MIPS_TLS_TPREL64), + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ }; /* The reloc used for BFD_RELOC_CTOR when doing a 64 bit link. This @@ -1062,7 +1216,20 @@ static const struct elf_reloc_map mips_reloc_map[] = { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, - { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP } + { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, + { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, + { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, + { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, + { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, + { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, + { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, + { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, + { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, + { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, + { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, + { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, + { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, + { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 } }; static const struct elf_reloc_map mips16_reloc_map[] = diff --git a/bfd/elf64-mips.c b/bfd/elf64-mips.c index ce74166..02acc57 100644 --- a/bfd/elf64-mips.c +++ b/bfd/elf64-mips.c @@ -1,5 +1,5 @@ /* MIPS-specific support for 64-bit ELF - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 + Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. Ian Lance Taylor, Cygnus Support Linker support added by Mark Mitchell, CodeSourcery, LLC. @@ -635,6 +635,160 @@ static reloc_howto_type mips_elf64_howto_table_rel[] = 0, /* src_mask */ 0x00000000, /* dst_mask */ FALSE), /* pcrel_offset */ + + /* TLS relocations. */ + EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32), + EMPTY_HOWTO (R_MIPS_TLS_DTPREL32), + + HOWTO (R_MIPS_TLS_DTPMOD64, /* type */ + 0, /* rightshift */ + 4, /* size (0 = byte, 1 = short, 2 = long) */ + 64, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPMOD64", /* name */ + TRUE, /* partial_inplace */ + MINUS_ONE, /* src_mask */ + MINUS_ONE, /* dst_mask */ + FALSE), /* pcrel_offset */ + + HOWTO (R_MIPS_TLS_DTPREL64, /* type */ + 0, /* rightshift */ + 4, /* size (0 = byte, 1 = short, 2 = long) */ + 64, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL64", /* name */ + TRUE, /* partial_inplace */ + MINUS_ONE, /* src_mask */ + MINUS_ONE, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS general dynamic variable reference. */ + HOWTO (R_MIPS_TLS_GD, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GD", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic variable reference. */ + HOWTO (R_MIPS_TLS_LDM, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_LDM", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GOTTPREL", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS IE dynamic relocations. */ + EMPTY_HOWTO (R_MIPS_TLS_TPREL32), + + HOWTO (R_MIPS_TLS_TPREL64, /* type */ + 0, /* rightshift */ + 4, /* size (0 = byte, 1 = short, 2 = long) */ + 64, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL64", /* name */ + TRUE, /* partial_inplace */ + MINUS_ONE, /* src_mask */ + MINUS_ONE, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ }; /* The relocation table used for SHT_RELA sections. */ @@ -1151,6 +1305,120 @@ static reloc_howto_type mips_elf64_howto_table_rela[] = 0, /* src_mask */ 0x00000000, /* dst_mask */ FALSE), /* pcrel_offset */ + + /* TLS relocations. */ + EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32), + EMPTY_HOWTO (R_MIPS_TLS_DTPREL32), + EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), + EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), + + /* TLS general dynamic variable reference. */ + HOWTO (R_MIPS_TLS_GD, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GD", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic variable reference. */ + HOWTO (R_MIPS_TLS_LDM, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_LDM", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GOTTPREL", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (R_MIPS_TLS_TPREL32), + EMPTY_HOWTO (R_MIPS_TLS_TPREL64), + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ }; static reloc_howto_type mips16_elf64_howto_table_rel[] = @@ -1893,7 +2161,20 @@ static const struct elf_reloc_map mips_reloc_map[] = { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 }, /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */ { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT }, - { BFD_RELOC_MIPS_JALR, R_MIPS_JALR } + { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, + { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, + { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, + { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, + { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, + { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, + { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, + { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, + { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, + { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, + { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, + { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, + { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, + { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 } }; static const struct elf_reloc_map mips16_reloc_map[] = diff --git a/bfd/elfn32-mips.c b/bfd/elfn32-mips.c index 92cc02c..62ce08b 100644 --- a/bfd/elfn32-mips.c +++ b/bfd/elfn32-mips.c @@ -1,6 +1,6 @@ /* MIPS-specific support for 32-bit ELF Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, - 2003, 2004 Free Software Foundation, Inc. + 2003, 2004, 2005 Free Software Foundation, Inc. Most of the information added by Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>. @@ -600,6 +600,160 @@ static reloc_howto_type elf_mips_howto_table_rel[] = 0x00000000, /* src_mask */ 0x00000000, /* dst_mask */ FALSE), /* pcrel_offset */ + + /* TLS GD/LD dynamic relocations. */ + HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPMOD32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + HOWTO (R_MIPS_TLS_DTPREL32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), + EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), + + /* TLS general dynamic variable reference. */ + HOWTO (R_MIPS_TLS_GD, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GD", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic variable reference. */ + HOWTO (R_MIPS_TLS_LDM, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_LDM", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GOTTPREL", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS IE dynamic relocations. */ + HOWTO (R_MIPS_TLS_TPREL32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (R_MIPS_TLS_TPREL64), + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ }; /* The relocation table used for SHT_RELA sections. */ @@ -1117,6 +1271,160 @@ static reloc_howto_type elf_mips_howto_table_rela[] = 0, /* src_mask */ 0, /* dst_mask */ FALSE), /* pcrel_offset */ + + /* TLS GD/LD dynamic relocations. */ + HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPMOD32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + HOWTO (R_MIPS_TLS_DTPREL32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), + EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), + + /* TLS general dynamic variable reference. */ + HOWTO (R_MIPS_TLS_GD, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GD", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic variable reference. */ + HOWTO (R_MIPS_TLS_LDM, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_LDM", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GOTTPREL", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS IE dynamic relocations. */ + HOWTO (R_MIPS_TLS_TPREL32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (R_MIPS_TLS_TPREL64), + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ }; static reloc_howto_type elf_mips16_howto_table_rel[] = @@ -1701,7 +2009,20 @@ static const struct elf_reloc_map mips_reloc_map[] = { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 }, /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */ { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT }, - { BFD_RELOC_MIPS_JALR, R_MIPS_JALR } + { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, + { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, + { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, + { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, + { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, + { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, + { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, + { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, + { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, + { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, + { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, + { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, + { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, + { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 } }; static const struct elf_reloc_map mips16_reloc_map[] = diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c index ccd1c23..5c2e5b4 100644 --- a/bfd/elfxx-mips.c +++ b/bfd/elfxx-mips.c @@ -64,6 +64,14 @@ struct mips_got_entry h->forced_local). */ struct mips_elf_link_hash_entry *h; } d; + + /* The TLS types included in this GOT entry (specifically, GD and + IE). The GD and IE flags can be added as we encounter new + relocations. LDM can also be set; it will always be alone, not + combined with any GD or IE flags. An LDM GOT entry will be + a local symbol entry with r_symndx == 0. */ + unsigned char tls_type; + /* The offset from the beginning of the .got section to the entry corresponding to this symbol+addend. If it's a global symbol whose offset is yet to be decided, it's going to be -1. */ @@ -79,6 +87,11 @@ struct mips_got_info struct elf_link_hash_entry *global_gotsym; /* The number of global .got entries. */ unsigned int global_gotno; + /* The number of .got slots used for TLS. */ + unsigned int tls_gotno; + /* The first unused TLS .got entry. Used only during + mips_elf_initialize_tls_index. */ + unsigned int tls_assigned_gotno; /* The number of local .got entries. */ unsigned int local_gotno; /* The number of local .got entries we have used. */ @@ -91,6 +104,11 @@ struct mips_got_info /* In multi-got links, a pointer to the next got (err, rather, most of the time, it points to the previous got). */ struct mips_got_info *next; + /* This is the GOT index of the TLS LDM entry for the GOT, MINUS_ONE + for none, or MINUS_TWO for not yet assigned. This is needed + because a single-GOT link may have multiple hash table entries + for the LDM. It does not get initialized in multi-GOT mode. */ + bfd_vma tls_ldm_offset; }; /* Map an input bfd to a got in a multi-got link. */ @@ -125,6 +143,11 @@ struct mips_elf_got_per_bfd_arg unsigned int primary_count; /* The number of local and global entries in the current got. */ unsigned int current_count; + /* The total number of global entries which will live in the + primary got and be automatically relocated. This includes + those not referenced by the primary GOT but included in + the "master" GOT. */ + unsigned int global_count; }; /* Another structure used to pass arguments for got entries traversal. */ @@ -137,6 +160,15 @@ struct mips_elf_set_global_got_offset_arg struct bfd_link_info *info; }; +/* A structure used to count TLS relocations or GOT entries, for GOT + entry or ELF symbol table traversal. */ + +struct mips_elf_count_tls_arg +{ + struct bfd_link_info *info; + unsigned int needed; +}; + struct _mips_elf_section_data { struct bfd_elf_section_data elf; @@ -158,8 +190,8 @@ struct mips_elf_hash_sort_data /* The symbol in the global GOT with the lowest dynamic symbol table index. */ struct elf_link_hash_entry *low; - /* The least dynamic symbol table index corresponding to a symbol - with a GOT entry. */ + /* The least dynamic symbol table index corresponding to a non-TLS + symbol with a GOT entry. */ long min_got_dynindx; /* The greatest dynamic symbol table index corresponding to a symbol with a GOT entry that is not referenced (e.g., a dynamic symbol @@ -212,6 +244,21 @@ struct mips_elf_link_hash_entry /* Are we forced local? .*/ bfd_boolean forced_local; + +#define GOT_NORMAL 0 +#define GOT_TLS_GD 1 +#define GOT_TLS_LDM 2 +#define GOT_TLS_IE 4 +#define GOT_TLS_OFFSET_DONE 0x40 +#define GOT_TLS_DONE 0x80 + unsigned char tls_type; + /* This is only used in single-GOT mode; in multi-GOT mode there + is one mips_got_entry per GOT entry, so the offset is stored + there. In single-GOT mode there may be many mips_got_entry + structures all referring to the same GOT slot. It might be + possible to use root.got.offset instead, but that field is + overloaded already. */ + bfd_vma tls_got_offset; }; /* MIPS ELF linker hash table. */ @@ -237,6 +284,21 @@ struct mips_elf_link_hash_table bfd_boolean mips16_stubs_seen; }; +#define TLS_RELOC_P(r_type) \ + (r_type == R_MIPS_TLS_DTPMOD32 \ + || r_type == R_MIPS_TLS_DTPMOD64 \ + || r_type == R_MIPS_TLS_DTPREL32 \ + || r_type == R_MIPS_TLS_DTPREL64 \ + || r_type == R_MIPS_TLS_GD \ + || r_type == R_MIPS_TLS_LDM \ + || r_type == R_MIPS_TLS_DTPREL_HI16 \ + || r_type == R_MIPS_TLS_DTPREL_LO16 \ + || r_type == R_MIPS_TLS_GOTTPREL \ + || r_type == R_MIPS_TLS_TPREL32 \ + || r_type == R_MIPS_TLS_TPREL64 \ + || r_type == R_MIPS_TLS_TPREL_HI16 \ + || r_type == R_MIPS_TLS_TPREL_LO16) + /* Structure used to pass information to mips_elf_output_extsym. */ struct extsym_info @@ -370,7 +432,8 @@ typedef struct runtime_pdr { #define rpdNil ((pRPDR) 0) static struct mips_got_entry *mips_elf_create_local_got_entry - (bfd *, bfd *, struct mips_got_info *, asection *, bfd_vma); + (bfd *, bfd *, struct mips_got_info *, asection *, bfd_vma, unsigned long, + struct mips_elf_link_hash_entry *, int); static bfd_boolean mips_elf_sort_hash_table_f (struct mips_elf_link_hash_entry *, void *); static bfd_vma mips_elf_high @@ -588,6 +651,30 @@ static bfd *reldyn_sorting_bfd; #define mips_elf_hash_table(p) \ ((struct mips_elf_link_hash_table *) ((p)->hash)) +/* Find the base offsets for thread-local storage in this object, + for GD/LD and IE/LE respectively. */ + +#define TP_OFFSET 0x7000 +#define DTP_OFFSET 0x8000 + +static bfd_vma +dtprel_base (struct bfd_link_info *info) +{ + /* If tls_sec is NULL, we should have signalled an error already. */ + if (elf_hash_table (info)->tls_sec == NULL) + return 0; + return elf_hash_table (info)->tls_sec->vma + DTP_OFFSET; +} + +static bfd_vma +tprel_base (struct bfd_link_info *info) +{ + /* If tls_sec is NULL, we should have signalled an error already. */ + if (elf_hash_table (info)->tls_sec == NULL) + return 0; + return elf_hash_table (info)->tls_sec->vma + TP_OFFSET; +} + /* Create an entry in a MIPS ELF linker hash table. */ static struct bfd_hash_entry * @@ -623,6 +710,7 @@ mips_elf_link_hash_newfunc (struct bfd_hash_entry *entry, ret->call_stub = NULL; ret->call_fp_stub = NULL; ret->forced_local = FALSE; + ret->tls_type = GOT_NORMAL; } return (struct bfd_hash_entry *) ret; @@ -1738,6 +1826,7 @@ mips_elf_got_entry_hash (const void *entry_) const struct mips_got_entry *entry = (struct mips_got_entry *)entry_; return entry->symndx + + ((entry->tls_type & GOT_TLS_LDM) << 17) + (! entry->abfd ? mips_elf_hash_bfd_vma (entry->d.address) : entry->abfd->id + (entry->symndx >= 0 ? mips_elf_hash_bfd_vma (entry->d.addend) @@ -1750,6 +1839,10 @@ mips_elf_got_entry_eq (const void *entry1, const void *entry2) const struct mips_got_entry *e1 = (struct mips_got_entry *)entry1; const struct mips_got_entry *e2 = (struct mips_got_entry *)entry2; + /* An LDM entry can only match another LDM entry. */ + if ((e1->tls_type ^ e2->tls_type) & GOT_TLS_LDM) + return 0; + return e1->abfd == e2->abfd && e1->symndx == e2->symndx && (! e1->abfd ? e1->d.address == e2->d.address : e1->symndx >= 0 ? e1->d.addend == e2->d.addend @@ -1770,8 +1863,10 @@ mips_elf_multi_got_entry_hash (const void *entry_) + (! entry->abfd ? mips_elf_hash_bfd_vma (entry->d.address) : entry->symndx >= 0 - ? (entry->abfd->id - + mips_elf_hash_bfd_vma (entry->d.addend)) + ? ((entry->tls_type & GOT_TLS_LDM) + ? (GOT_TLS_LDM << 17) + : (entry->abfd->id + + mips_elf_hash_bfd_vma (entry->d.addend))) : entry->d.h->root.root.root.hash); } @@ -1781,6 +1876,14 @@ mips_elf_multi_got_entry_eq (const void *entry1, const void *entry2) const struct mips_got_entry *e1 = (struct mips_got_entry *)entry1; const struct mips_got_entry *e2 = (struct mips_got_entry *)entry2; + /* Any two LDM entries match. */ + if (e1->tls_type & e2->tls_type & GOT_TLS_LDM) + return 1; + + /* Nothing else matches an LDM entry. */ + if ((e1->tls_type ^ e2->tls_type) & GOT_TLS_LDM) + return 0; + return e1->symndx == e2->symndx && (e1->symndx >= 0 ? e1->abfd == e2->abfd && e1->d.addend == e2->d.addend : e1->abfd == NULL || e2->abfd == NULL @@ -1849,13 +1952,299 @@ mips_elf_got_info (bfd *abfd, asection **sgotp) return g; } +/* Count the number of relocations needed for a TLS GOT entry, with + access types from TLS_TYPE, and symbol H (or a local symbol if H + is NULL). */ + +static int +mips_tls_got_relocs (struct bfd_link_info *info, unsigned char tls_type, + struct elf_link_hash_entry *h) +{ + int indx = 0; + int ret = 0; + bfd_boolean need_relocs = FALSE; + bfd_boolean dyn = elf_hash_table (info)->dynamic_sections_created; + + if (h && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) + && (!info->shared || !SYMBOL_REFERENCES_LOCAL (info, h))) + indx = h->dynindx; + + if ((info->shared || indx != 0) + && (h == NULL + || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT + || h->root.type != bfd_link_hash_undefweak)) + need_relocs = TRUE; + + if (!need_relocs) + return FALSE; + + if (tls_type & GOT_TLS_GD) + { + ret++; + if (indx != 0) + ret++; + } + + if (tls_type & GOT_TLS_IE) + ret++; + + if ((tls_type & GOT_TLS_LDM) && info->shared) + ret++; + + return ret; +} + +/* Count the number of TLS relocations required for the GOT entry in + ARG1, if it describes a local symbol. */ + +static int +mips_elf_count_local_tls_relocs (void **arg1, void *arg2) +{ + struct mips_got_entry *entry = * (struct mips_got_entry **) arg1; + struct mips_elf_count_tls_arg *arg = arg2; + + if (entry->abfd != NULL && entry->symndx != -1) + arg->needed += mips_tls_got_relocs (arg->info, entry->tls_type, NULL); + + return 1; +} + +/* Count the number of TLS GOT entries required for the global (or + forced-local) symbol in ARG1. */ + +static int +mips_elf_count_global_tls_entries (void *arg1, void *arg2) +{ + struct mips_elf_link_hash_entry *hm + = (struct mips_elf_link_hash_entry *) arg1; + struct mips_elf_count_tls_arg *arg = arg2; + + if (hm->tls_type & GOT_TLS_GD) + arg->needed += 2; + if (hm->tls_type & GOT_TLS_IE) + arg->needed += 1; + + return 1; +} + +/* Count the number of TLS relocations required for the global (or + forced-local) symbol in ARG1. */ + +static int +mips_elf_count_global_tls_relocs (void *arg1, void *arg2) +{ + struct mips_elf_link_hash_entry *hm + = (struct mips_elf_link_hash_entry *) arg1; + struct mips_elf_count_tls_arg *arg = arg2; + + arg->needed += mips_tls_got_relocs (arg->info, hm->tls_type, &hm->root); + + return 1; +} + +/* Output a simple dynamic relocation into SRELOC. */ + +static void +mips_elf_output_dynamic_relocation (bfd *output_bfd, + asection *sreloc, + unsigned long indx, + int r_type, + bfd_vma offset) +{ + Elf_Internal_Rela rel[3]; + + memset (rel, 0, sizeof (rel)); + + rel[0].r_info = ELF_R_INFO (output_bfd, indx, r_type); + rel[0].r_offset = rel[1].r_offset = rel[2].r_offset = offset; + + if (ABI_64_P (output_bfd)) + { + (*get_elf_backend_data (output_bfd)->s->swap_reloc_out) + (output_bfd, &rel[0], + (sreloc->contents + + sreloc->reloc_count * sizeof (Elf64_Mips_External_Rel))); + } + else + bfd_elf32_swap_reloc_out + (output_bfd, &rel[0], + (sreloc->contents + + sreloc->reloc_count * sizeof (Elf32_External_Rel))); + ++sreloc->reloc_count; +} + +/* Initialize a set of TLS GOT entries for one symbol. */ + +static void +mips_elf_initialize_tls_slots (bfd *abfd, bfd_vma got_offset, + unsigned char *tls_type_p, + struct bfd_link_info *info, + struct mips_elf_link_hash_entry *h, + bfd_vma value) +{ + int indx; + asection *sreloc, *sgot; + bfd_vma offset, offset2; + bfd *dynobj; + bfd_boolean need_relocs = FALSE; + + dynobj = elf_hash_table (info)->dynobj; + sgot = mips_elf_got_section (dynobj, FALSE); + + indx = 0; + if (h != NULL) + { + bfd_boolean dyn = elf_hash_table (info)->dynamic_sections_created; + + if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, &h->root) + && (!info->shared || !SYMBOL_REFERENCES_LOCAL (info, &h->root))) + indx = h->root.dynindx; + } + + if (*tls_type_p & GOT_TLS_DONE) + return; + + if ((info->shared || indx != 0) + && (h == NULL + || ELF_ST_VISIBILITY (h->root.other) == STV_DEFAULT + || h->root.type != bfd_link_hash_undefweak)) + need_relocs = TRUE; + + /* MINUS_ONE means the symbol is not defined in this object. It may not + be defined at all; assume that the value doesn't matter in that + case. Otherwise complain if we would use the value. */ + BFD_ASSERT (value != MINUS_ONE || (indx != 0 && need_relocs) + || h->root.root.type == bfd_link_hash_undefweak); + + /* Emit necessary relocations. */ + sreloc = mips_elf_rel_dyn_section (dynobj, FALSE); + + /* General Dynamic. */ + if (*tls_type_p & GOT_TLS_GD) + { + offset = got_offset; + offset2 = offset + MIPS_ELF_GOT_SIZE (abfd); + + if (need_relocs) + { + mips_elf_output_dynamic_relocation + (abfd, sreloc, indx, + ABI_64_P (abfd) ? R_MIPS_TLS_DTPMOD64 : R_MIPS_TLS_DTPMOD32, + sgot->output_offset + sgot->output_section->vma + offset); + + if (indx) + mips_elf_output_dynamic_relocation + (abfd, sreloc, indx, + ABI_64_P (abfd) ? R_MIPS_TLS_DTPREL64 : R_MIPS_TLS_DTPREL32, + sgot->output_offset + sgot->output_section->vma + offset2); + else + MIPS_ELF_PUT_WORD (abfd, value - dtprel_base (info), + sgot->contents + offset2); + } + else + { + MIPS_ELF_PUT_WORD (abfd, 1, + sgot->contents + offset); + MIPS_ELF_PUT_WORD (abfd, value - dtprel_base (info), + sgot->contents + offset2); + } + + got_offset += 2 * MIPS_ELF_GOT_SIZE (abfd); + } + + /* Initial Exec model. */ + if (*tls_type_p & GOT_TLS_IE) + { + offset = got_offset; + + if (need_relocs) + { + if (indx == 0) + MIPS_ELF_PUT_WORD (abfd, value - elf_hash_table (info)->tls_sec->vma, + sgot->contents + offset); + else + MIPS_ELF_PUT_WORD (abfd, 0, + sgot->contents + offset); + + mips_elf_output_dynamic_relocation + (abfd, sreloc, indx, + ABI_64_P (abfd) ? R_MIPS_TLS_TPREL64 : R_MIPS_TLS_TPREL32, + sgot->output_offset + sgot->output_section->vma + offset); + } + else + MIPS_ELF_PUT_WORD (abfd, value - tprel_base (info), + sgot->contents + offset); + } + + if (*tls_type_p & GOT_TLS_LDM) + { + /* The initial offset is zero, and the LD offsets will include the + bias by DTP_OFFSET. */ + MIPS_ELF_PUT_WORD (abfd, 0, + sgot->contents + got_offset + + MIPS_ELF_GOT_SIZE (abfd)); + + if (!info->shared) + MIPS_ELF_PUT_WORD (abfd, 1, + sgot->contents + got_offset); + else + mips_elf_output_dynamic_relocation + (abfd, sreloc, indx, + ABI_64_P (abfd) ? R_MIPS_TLS_DTPMOD64 : R_MIPS_TLS_DTPMOD32, + sgot->output_offset + sgot->output_section->vma + got_offset); + } + + *tls_type_p |= GOT_TLS_DONE; +} + +/* Return the GOT index to use for a relocation of type R_TYPE against + a symbol accessed using TLS_TYPE models. The GOT entries for this + symbol in this GOT start at GOT_INDEX. This function initializes the + GOT entries and corresponding relocations. */ + +static bfd_vma +mips_tls_got_index (bfd *abfd, bfd_vma got_index, unsigned char *tls_type, + int r_type, struct bfd_link_info *info, + struct mips_elf_link_hash_entry *h, bfd_vma symbol) +{ + BFD_ASSERT (r_type == R_MIPS_TLS_GOTTPREL || r_type == R_MIPS_TLS_GD + || r_type == R_MIPS_TLS_LDM); + + mips_elf_initialize_tls_slots (abfd, got_index, tls_type, info, h, symbol); + + if (r_type == R_MIPS_TLS_GOTTPREL) + { + BFD_ASSERT (*tls_type & GOT_TLS_IE); + if (*tls_type & GOT_TLS_GD) + return got_index + 2 * MIPS_ELF_GOT_SIZE (abfd); + else + return got_index; + } + + if (r_type == R_MIPS_TLS_GD) + { + BFD_ASSERT (*tls_type & GOT_TLS_GD); + return got_index; + } + + if (r_type == R_MIPS_TLS_LDM) + { + BFD_ASSERT (*tls_type & GOT_TLS_LDM); + return got_index; + } + + return got_index; +} + /* Returns the GOT offset at which the indicated address can be found. - If there is not yet a GOT entry for this value, create one. Returns - -1 if no satisfactory GOT offset can be found. */ + If there is not yet a GOT entry for this value, create one. If + R_SYMNDX refers to a TLS symbol, create a TLS GOT entry instead. + Returns -1 if no satisfactory GOT offset can be found. */ static bfd_vma mips_elf_local_got_index (bfd *abfd, bfd *ibfd, struct bfd_link_info *info, - bfd_vma value) + bfd_vma value, unsigned long r_symndx, + struct mips_elf_link_hash_entry *h, int r_type) { asection *sgot; struct mips_got_info *g; @@ -1863,17 +2252,23 @@ mips_elf_local_got_index (bfd *abfd, bfd *ibfd, struct bfd_link_info *info, g = mips_elf_got_info (elf_hash_table (info)->dynobj, &sgot); - entry = mips_elf_create_local_got_entry (abfd, ibfd, g, sgot, value); - if (entry) - return entry->gotidx; - else + entry = mips_elf_create_local_got_entry (abfd, ibfd, g, sgot, value, + r_symndx, h, r_type); + if (!entry) return MINUS_ONE; + + if (TLS_RELOC_P (r_type)) + return mips_tls_got_index (abfd, entry->gotidx, &entry->tls_type, r_type, + info, h, value); + else + return entry->gotidx; } /* Returns the GOT index for the global symbol indicated by H. */ static bfd_vma -mips_elf_global_got_index (bfd *abfd, bfd *ibfd, struct elf_link_hash_entry *h) +mips_elf_global_got_index (bfd *abfd, bfd *ibfd, struct elf_link_hash_entry *h, + int r_type, struct bfd_link_info *info) { bfd_vma index; asection *sgot; @@ -1888,29 +2283,64 @@ mips_elf_global_got_index (bfd *abfd, bfd *ibfd, struct elf_link_hash_entry *h) BFD_ASSERT (h->dynindx >= 0); g = mips_elf_got_for_ibfd (g, ibfd); - if (g->next != gg) + if (g->next != gg || TLS_RELOC_P (r_type)) { e.abfd = ibfd; e.symndx = -1; e.d.h = (struct mips_elf_link_hash_entry *)h; + e.tls_type = 0; p = htab_find (g->got_entries, &e); BFD_ASSERT (p->gotidx > 0); - return p->gotidx; + + if (TLS_RELOC_P (r_type)) + { + bfd_vma value = MINUS_ONE; + if ((h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + && h->root.u.def.section->output_section) + value = (h->root.u.def.value + + h->root.u.def.section->output_offset + + h->root.u.def.section->output_section->vma); + + return mips_tls_got_index (abfd, p->gotidx, &p->tls_type, r_type, + info, e.d.h, value); + } + else + return p->gotidx; } } if (gg->global_gotsym != NULL) global_got_dynindx = gg->global_gotsym->dynindx; - /* Once we determine the global GOT entry with the lowest dynamic - symbol table index, we must put all dynamic symbols with greater - indices into the GOT. That makes it easy to calculate the GOT - offset. */ - BFD_ASSERT (h->dynindx >= global_got_dynindx); - index = ((h->dynindx - global_got_dynindx + g->local_gotno) - * MIPS_ELF_GOT_SIZE (abfd)); + if (TLS_RELOC_P (r_type)) + { + struct mips_elf_link_hash_entry *hm + = (struct mips_elf_link_hash_entry *) h; + bfd_vma value = MINUS_ONE; + + if ((h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + && h->root.u.def.section->output_section) + value = (h->root.u.def.value + + h->root.u.def.section->output_offset + + h->root.u.def.section->output_section->vma); + + index = mips_tls_got_index (abfd, hm->tls_got_offset, &hm->tls_type, + r_type, info, hm, value); + } + else + { + /* Once we determine the global GOT entry with the lowest dynamic + symbol table index, we must put all dynamic symbols with greater + indices into the GOT. That makes it easy to calculate the GOT + offset. */ + BFD_ASSERT (h->dynindx >= global_got_dynindx); + index = ((h->dynindx - global_got_dynindx + g->local_gotno) + * MIPS_ELF_GOT_SIZE (abfd)); + } BFD_ASSERT (index < sgot->size); return index; @@ -1935,7 +2365,8 @@ mips_elf_got_page (bfd *abfd, bfd *ibfd, struct bfd_link_info *info, entry = mips_elf_create_local_got_entry (abfd, ibfd, g, sgot, (value + 0x8000) - & (~(bfd_vma)0xffff)); + & (~(bfd_vma)0xffff), 0, + NULL, R_MIPS_GOT_PAGE); if (!entry) return MINUS_ONE; @@ -1970,7 +2401,8 @@ mips_elf_got16_entry (bfd *abfd, bfd *ibfd, struct bfd_link_info *info, g = mips_elf_got_info (elf_hash_table (info)->dynobj, &sgot); - entry = mips_elf_create_local_got_entry (abfd, ibfd, g, sgot, value); + entry = mips_elf_create_local_got_entry (abfd, ibfd, g, sgot, value, 0, NULL, + R_MIPS_GOT16); if (entry) return entry->gotidx; else @@ -1996,12 +2428,16 @@ mips_elf_got_offset_from_index (bfd *dynobj, bfd *output_bfd, } /* Create a local GOT entry for VALUE. Return the index of the entry, - or -1 if it could not be created. */ + or -1 if it could not be created. If R_SYMNDX refers to a TLS symbol, + create a TLS entry instead. */ static struct mips_got_entry * mips_elf_create_local_got_entry (bfd *abfd, bfd *ibfd, struct mips_got_info *gg, - asection *sgot, bfd_vma value) + asection *sgot, bfd_vma value, + unsigned long r_symndx, + struct mips_elf_link_hash_entry *h, + int r_type) { struct mips_got_entry entry, **loc; struct mips_got_info *g; @@ -2009,6 +2445,7 @@ mips_elf_create_local_got_entry (bfd *abfd, bfd *ibfd, entry.abfd = NULL; entry.symndx = -1; entry.d.address = value; + entry.tls_type = 0; g = mips_elf_got_for_ibfd (gg, ibfd); if (g == NULL) @@ -2017,12 +2454,44 @@ mips_elf_create_local_got_entry (bfd *abfd, bfd *ibfd, BFD_ASSERT (g != NULL); } + /* We might have a symbol, H, if it has been forced local. Use the + global entry then. It doesn't matter whether an entry is local + or global for TLS, since the dynamic linker does not + automatically relocate TLS GOT entries. */ + BFD_ASSERT (h == NULL || h->forced_local); + if (TLS_RELOC_P (r_type)) + { + struct mips_got_entry *p; + + entry.abfd = ibfd; + if (r_type == R_MIPS_TLS_LDM) + { + entry.tls_type = GOT_TLS_LDM; + entry.symndx = 0; + entry.d.addend = 0; + } + else if (h == NULL) + { + entry.symndx = r_symndx; + entry.d.addend = 0; + } + else + entry.d.h = h; + + p = (struct mips_got_entry *) + htab_find (g->got_entries, &entry); + + BFD_ASSERT (p); + return p; + } + loc = (struct mips_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT); if (*loc) return *loc; entry.gotidx = MIPS_ELF_GOT_SIZE (abfd) * g->assigned_gotno++; + entry.tls_type = 0; *loc = (struct mips_got_entry *)bfd_alloc (abfd, sizeof entry); @@ -2118,6 +2587,8 @@ mips_elf_sort_hash_table_f (struct mips_elf_link_hash_entry *h, void *data) -1. */ if (h->root.got.offset == 2) { + BFD_ASSERT (h->tls_type == GOT_NORMAL); + if (hsd->max_unref_got_dynindx == hsd->min_got_dynindx) hsd->low = (struct elf_link_hash_entry *) h; h->root.dynindx = hsd->max_unref_got_dynindx++; @@ -2126,6 +2597,8 @@ mips_elf_sort_hash_table_f (struct mips_elf_link_hash_entry *h, void *data) h->root.dynindx = hsd->max_non_got_dynindx++; else { + BFD_ASSERT (h->tls_type == GOT_NORMAL); + h->root.dynindx = --hsd->min_got_dynindx; hsd->low = (struct elf_link_hash_entry *) h; } @@ -2140,7 +2613,8 @@ mips_elf_sort_hash_table_f (struct mips_elf_link_hash_entry *h, void *data) static bfd_boolean mips_elf_record_global_got_symbol (struct elf_link_hash_entry *h, bfd *abfd, struct bfd_link_info *info, - struct mips_got_info *g) + struct mips_got_info *g, + unsigned char tls_flag) { struct mips_got_entry entry, **loc; @@ -2162,6 +2636,7 @@ mips_elf_record_global_got_symbol (struct elf_link_hash_entry *h, entry.abfd = abfd; entry.symndx = -1; entry.d.h = (struct mips_elf_link_hash_entry *) h; + entry.tls_type = 0; loc = (struct mips_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT); @@ -2169,7 +2644,10 @@ mips_elf_record_global_got_symbol (struct elf_link_hash_entry *h, /* If we've already marked this entry as needing GOT space, we don't need to do it again. */ if (*loc) - return TRUE; + { + (*loc)->tls_type |= tls_flag; + return TRUE; + } *loc = (struct mips_got_entry *)bfd_alloc (abfd, sizeof entry); @@ -2177,6 +2655,8 @@ mips_elf_record_global_got_symbol (struct elf_link_hash_entry *h, return FALSE; entry.gotidx = -1; + entry.tls_type = tls_flag; + memcpy (*loc, &entry, sizeof entry); if (h->got.offset != MINUS_ONE) @@ -2185,7 +2665,8 @@ mips_elf_record_global_got_symbol (struct elf_link_hash_entry *h, /* By setting this to a value other than -1, we are indicating that there needs to be a GOT entry for H. Avoid using zero, as the generic ELF copy_indirect_symbol tests for <= 0. */ - h->got.offset = 1; + if (tls_flag == 0) + h->got.offset = 1; return TRUE; } @@ -2195,20 +2676,52 @@ mips_elf_record_global_got_symbol (struct elf_link_hash_entry *h, static bfd_boolean mips_elf_record_local_got_symbol (bfd *abfd, long symndx, bfd_vma addend, - struct mips_got_info *g) + struct mips_got_info *g, + unsigned char tls_flag) { struct mips_got_entry entry, **loc; entry.abfd = abfd; entry.symndx = symndx; entry.d.addend = addend; + entry.tls_type = tls_flag; loc = (struct mips_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT); if (*loc) - return TRUE; + { + if (tls_flag == GOT_TLS_GD && !((*loc)->tls_type & GOT_TLS_GD)) + { + g->tls_gotno += 2; + (*loc)->tls_type |= tls_flag; + } + else if (tls_flag == GOT_TLS_IE && !((*loc)->tls_type & GOT_TLS_IE)) + { + g->tls_gotno += 1; + (*loc)->tls_type |= tls_flag; + } + return TRUE; + } - entry.gotidx = g->local_gotno++; + if (tls_flag != 0) + { + entry.gotidx = -1; + entry.tls_type = tls_flag; + if (tls_flag == GOT_TLS_IE) + g->tls_gotno += 1; + else if (tls_flag == GOT_TLS_GD) + g->tls_gotno += 2; + else if (g->tls_ldm_offset == MINUS_ONE) + { + g->tls_ldm_offset = MINUS_TWO; + g->tls_gotno += 2; + } + } + else + { + entry.gotidx = g->local_gotno++; + entry.tls_type = 0; + } *loc = (struct mips_got_entry *)bfd_alloc (abfd, sizeof entry); @@ -2308,6 +2821,9 @@ mips_elf_make_got_per_bfd (void **entryp, void *p) g->global_gotno = 0; g->local_gotno = 0; g->assigned_gotno = -1; + g->tls_gotno = 0; + g->tls_assigned_gotno = 0; + g->tls_ldm_offset = MINUS_ONE; g->got_entries = htab_try_create (1, mips_elf_multi_got_entry_hash, mips_elf_multi_got_entry_eq, NULL); if (g->got_entries == NULL) @@ -2327,7 +2843,14 @@ mips_elf_make_got_per_bfd (void **entryp, void *p) *entryp = entry; - if (entry->symndx >= 0 || entry->d.h->forced_local) + if (entry->tls_type) + { + if (entry->tls_type & (GOT_TLS_GD | GOT_TLS_LDM)) + g->tls_gotno += 2; + if (entry->tls_type & GOT_TLS_IE) + g->tls_gotno += 1; + } + else if (entry->symndx >= 0 || entry->d.h->forced_local) ++g->local_gotno; else ++g->global_gotno; @@ -2350,11 +2873,26 @@ mips_elf_merge_gots (void **bfd2got_, void *p) struct mips_elf_got_per_bfd_arg *arg = (struct mips_elf_got_per_bfd_arg *)p; unsigned int lcount = bfd2got->g->local_gotno; unsigned int gcount = bfd2got->g->global_gotno; + unsigned int tcount = bfd2got->g->tls_gotno; unsigned int maxcnt = arg->max_count; + bfd_boolean too_many_for_tls = FALSE; + + /* We place TLS GOT entries after both locals and globals. The globals + for the primary GOT may overflow the normal GOT size limit, so be + sure not to merge a GOT which requires TLS with the primary GOT in that + case. This doesn't affect non-primary GOTs. */ + if (tcount > 0) + { + unsigned int primary_total = lcount + tcount + arg->global_count; + if (primary_total * MIPS_ELF_GOT_SIZE (bfd2got->bfd) + >= MIPS_ELF_GOT_MAX_SIZE (bfd2got->bfd)) + too_many_for_tls = TRUE; + } /* If we don't have a primary GOT and this is not too big, use it as a starting point for the primary GOT. */ - if (! arg->primary && lcount + gcount <= maxcnt) + if (! arg->primary && lcount + gcount + tcount <= maxcnt + && ! too_many_for_tls) { arg->primary = bfd2got->g; arg->primary_count = lcount + gcount; @@ -2362,12 +2900,13 @@ mips_elf_merge_gots (void **bfd2got_, void *p) /* If it looks like we can merge this bfd's entries with those of the primary, merge them. The heuristics is conservative, but we don't have to squeeze it too hard. */ - else if (arg->primary - && (arg->primary_count + lcount + gcount) <= maxcnt) + else if (arg->primary && ! too_many_for_tls + && (arg->primary_count + lcount + gcount + tcount) <= maxcnt) { struct mips_got_info *g = bfd2got->g; int old_lcount = arg->primary->local_gotno; int old_gcount = arg->primary->global_gotno; + int old_tcount = arg->primary->tls_gotno; bfd2got->g = arg->primary; @@ -2384,17 +2923,19 @@ mips_elf_merge_gots (void **bfd2got_, void *p) BFD_ASSERT (old_lcount + lcount >= arg->primary->local_gotno); BFD_ASSERT (old_gcount + gcount >= arg->primary->global_gotno); + BFD_ASSERT (old_tcount + tcount >= arg->primary->tls_gotno); arg->primary_count = arg->primary->local_gotno - + arg->primary->global_gotno; + + arg->primary->global_gotno + arg->primary->tls_gotno; } /* If we can merge with the last-created got, do it. */ else if (arg->current - && arg->current_count + lcount + gcount <= maxcnt) + && arg->current_count + lcount + gcount + tcount <= maxcnt) { struct mips_got_info *g = bfd2got->g; int old_lcount = arg->current->local_gotno; int old_gcount = arg->current->global_gotno; + int old_tcount = arg->current->tls_gotno; bfd2got->g = arg->current; @@ -2408,9 +2949,10 @@ mips_elf_merge_gots (void **bfd2got_, void *p) BFD_ASSERT (old_lcount + lcount >= arg->current->local_gotno); BFD_ASSERT (old_gcount + gcount >= arg->current->global_gotno); + BFD_ASSERT (old_tcount + tcount >= arg->current->tls_gotno); arg->current_count = arg->current->local_gotno - + arg->current->global_gotno; + + arg->current->global_gotno + arg->current->tls_gotno; } /* Well, we couldn't merge, so create a new GOT. Don't check if it fits; if it turns out that it doesn't, we'll get relocation @@ -2420,9 +2962,58 @@ mips_elf_merge_gots (void **bfd2got_, void *p) bfd2got->g->next = arg->current; arg->current = bfd2got->g; - arg->current_count = lcount + gcount; + arg->current_count = lcount + gcount + 2 * tcount; + } + + return 1; +} + +/* Set the TLS GOT index for the GOT entry in ENTRYP. */ + +static int +mips_elf_initialize_tls_index (void **entryp, void *p) +{ + struct mips_got_entry *entry = (struct mips_got_entry *)*entryp; + struct mips_got_info *g = p; + + /* We're only interested in TLS symbols. */ + if (entry->tls_type == 0) + return 1; + + if (entry->symndx == -1) + { + /* There may be multiple mips_got_entry structs for a global variable + if there is just one GOT. Just do this once. */ + if (g->next == NULL) + { + if (entry->d.h->tls_type & GOT_TLS_OFFSET_DONE) + return 1; + entry->d.h->tls_type |= GOT_TLS_OFFSET_DONE; + } + } + else if (entry->tls_type & GOT_TLS_LDM) + { + /* Similarly, there may be multiple structs for the LDM entry. */ + if (g->tls_ldm_offset != MINUS_TWO && g->tls_ldm_offset != MINUS_ONE) + { + entry->gotidx = g->tls_ldm_offset; + return 1; + } } + /* Initialize the GOT offset. */ + entry->gotidx = MIPS_ELF_GOT_SIZE (entry->abfd) * (long) g->tls_assigned_gotno; + if (g->next == NULL && entry->symndx == -1) + entry->d.h->tls_got_offset = entry->gotidx; + + if (entry->tls_type & (GOT_TLS_GD | GOT_TLS_LDM)) + g->tls_assigned_gotno += 2; + if (entry->tls_type & GOT_TLS_IE) + g->tls_assigned_gotno += 1; + + if (entry->tls_type & GOT_TLS_LDM) + g->tls_ldm_offset = entry->gotidx; + return 1; } @@ -2447,8 +3038,14 @@ mips_elf_set_global_got_offset (void **entryp, void *p) = (struct mips_elf_set_global_got_offset_arg *)p; struct mips_got_info *g = arg->g; + if (g && entry->tls_type != GOT_NORMAL) + arg->needed_relocs += + mips_tls_got_relocs (arg->info, entry->tls_type, + entry->symndx == -1 ? &entry->d.h->root : NULL); + if (entry->abfd != NULL && entry->symndx == -1 - && entry->d.h->root.dynindx != -1) + && entry->d.h->root.dynindx != -1 + && entry->d.h->tls_type == GOT_NORMAL) { if (g) { @@ -2563,7 +3160,8 @@ mips_elf_adjust_gp (bfd *abfd, struct mips_got_info *g, bfd *ibfd) g = g->next; - return (g->local_gotno + g->global_gotno) * MIPS_ELF_GOT_SIZE (abfd); + return (g->local_gotno + g->global_gotno + g->tls_gotno) + * MIPS_ELF_GOT_SIZE (abfd); } /* Turn a single GOT that is too big for 16-bit addressing into @@ -2590,7 +3188,6 @@ mips_elf_multi_got (bfd *abfd, struct bfd_link_info *info, /* Count how many GOT entries each input bfd requires, creating a map from bfd to got info while at that. */ - mips_elf_resolve_final_got_entries (g); htab_traverse (g->got_entries, mips_elf_make_got_per_bfd, &got_per_bfd_arg); if (got_per_bfd_arg.obfd == NULL) return FALSE; @@ -2603,6 +3200,10 @@ mips_elf_multi_got (bfd *abfd, struct bfd_link_info *info, got_per_bfd_arg.max_count = ((MIPS_ELF_GOT_MAX_SIZE (abfd) / MIPS_ELF_GOT_SIZE (abfd)) - MIPS_RESERVED_GOTNO - pages); + /* The number of globals that will be included in the primary GOT. + See the calls to mips_elf_set_global_got_offset below for more + information. */ + got_per_bfd_arg.global_count = g->global_gotno; /* Try to merge the GOTs of input bfds together, as long as they don't seem to exceed the maximum GOT size, choosing one of them @@ -2611,7 +3212,7 @@ mips_elf_multi_got (bfd *abfd, struct bfd_link_info *info, if (got_per_bfd_arg.obfd == NULL) return FALSE; - /* If we find any suitable primary GOT, create an empty one. */ + /* If we do not find any suitable primary GOT, create an empty one. */ if (got_per_bfd_arg.primary == NULL) { g->next = (struct mips_got_info *) @@ -2622,7 +3223,10 @@ mips_elf_multi_got (bfd *abfd, struct bfd_link_info *info, g->next->global_gotsym = NULL; g->next->global_gotno = 0; g->next->local_gotno = 0; + g->next->tls_gotno = 0; g->next->assigned_gotno = 0; + g->next->tls_assigned_gotno = 0; + g->next->tls_ldm_offset = MINUS_ONE; g->next->got_entries = htab_try_create (1, mips_elf_multi_got_entry_hash, mips_elf_multi_got_entry_eq, NULL); @@ -2722,6 +3326,7 @@ mips_elf_multi_got (bfd *abfd, struct bfd_link_info *info, points back to the master GOT. */ gg->local_gotno = -g->global_gotno; gg->global_gotno = g->global_gotno; + gg->tls_gotno = 0; assign = 0; gg->next = gg; @@ -2732,7 +3337,12 @@ mips_elf_multi_got (bfd *abfd, struct bfd_link_info *info, assign += MIPS_RESERVED_GOTNO; g->assigned_gotno = assign; g->local_gotno += assign + pages; - assign = g->local_gotno + g->global_gotno; + assign = g->local_gotno + g->global_gotno + g->tls_gotno; + + /* Set up any TLS entries. We always place the TLS entries after + all non-TLS entries. */ + g->tls_assigned_gotno = g->local_gotno + g->global_gotno; + htab_traverse (g->got_entries, mips_elf_initialize_tls_index, g); /* Take g out of the direct list, and push it onto the reversed list that gg points to. */ @@ -2749,7 +3359,8 @@ mips_elf_multi_got (bfd *abfd, struct bfd_link_info *info, while (g); got->size = (gg->next->local_gotno - + gg->next->global_gotno) * MIPS_ELF_GOT_SIZE (abfd); + + gg->next->global_gotno + + gg->next->tls_gotno) * MIPS_ELF_GOT_SIZE (abfd); return TRUE; } @@ -2968,10 +3579,12 @@ mips_elf_create_got_section (bfd *abfd, struct bfd_link_info *info, return FALSE; g->global_gotsym = NULL; g->global_gotno = 0; + g->tls_gotno = 0; g->local_gotno = MIPS_RESERVED_GOTNO; g->assigned_gotno = MIPS_RESERVED_GOTNO; g->bfd2got = NULL; g->next = NULL; + g->tls_ldm_offset = MINUS_ONE; g->got_entries = htab_try_create (1, mips_elf_got_entry_hash, mips_elf_got_entry_eq, NULL); if (g->got_entries == NULL) @@ -3268,8 +3881,18 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd, case R_MIPS_CALL_HI16: case R_MIPS_GOT_LO16: case R_MIPS_CALL_LO16: + case R_MIPS_TLS_GD: + case R_MIPS_TLS_GOTTPREL: + case R_MIPS_TLS_LDM: /* Find the index into the GOT where this value is located. */ - if (!local_p) + if (r_type == R_MIPS_TLS_LDM) + { + g = mips_elf_local_got_index (abfd, input_bfd, info, 0, 0, NULL, + r_type); + if (g == MINUS_ONE) + return bfd_reloc_outofrange; + } + else if (!local_p) { /* GOT_PAGE may take a non-zero addend, that is ignored in a GOT_PAGE relocation that decays to GOT_DISP because the @@ -3278,11 +3901,13 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd, BFD_ASSERT (addend == 0 || r_type == R_MIPS_GOT_PAGE); g = mips_elf_global_got_index (elf_hash_table (info)->dynobj, input_bfd, - (struct elf_link_hash_entry *) h); - if (! elf_hash_table(info)->dynamic_sections_created - || (info->shared - && (info->symbolic || h->root.dynindx == -1) - && h->root.def_regular)) + (struct elf_link_hash_entry *) h, + r_type, info); + if (h->tls_type == GOT_NORMAL + && (! elf_hash_table(info)->dynamic_sections_created + || (info->shared + && (info->symbolic || h->root.dynindx == -1) + && h->root.def_regular))) { /* This is a static link or a -Bsymbolic link. The symbol is defined locally, or was forced to be local. @@ -3299,7 +3924,8 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd, else { g = mips_elf_local_got_index (abfd, input_bfd, - info, symbol + addend); + info, symbol + addend, r_symndx, h, + r_type); if (g == MINUS_ONE) return bfd_reloc_outofrange; } @@ -3407,6 +4033,24 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd, value &= howto->dst_mask; break; + case R_MIPS_TLS_DTPREL_HI16: + value = (mips_elf_high (addend + symbol - dtprel_base (info)) + & howto->dst_mask); + break; + + case R_MIPS_TLS_DTPREL_LO16: + value = (symbol + addend - dtprel_base (info)) & howto->dst_mask; + break; + + case R_MIPS_TLS_TPREL_HI16: + value = (mips_elf_high (addend + symbol - tprel_base (info)) + & howto->dst_mask); + break; + + case R_MIPS_TLS_TPREL_LO16: + value = (symbol + addend - tprel_base (info)) & howto->dst_mask; + break; + case R_MIPS_HI16: case R_MIPS16_HI16: if (!gp_disp_p) @@ -3518,6 +4162,9 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd, /* Fall through. */ + case R_MIPS_TLS_GD: + case R_MIPS_TLS_GOTTPREL: + case R_MIPS_TLS_LDM: case R_MIPS_GOT_DISP: got_disp: value = g; @@ -5288,6 +5935,8 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, case R_MIPS_GOT_PAGE: case R_MIPS_GOT_OFST: case R_MIPS_GOT_DISP: + case R_MIPS_TLS_GD: + case R_MIPS_TLS_LDM: if (dynobj == NULL) elf_hash_table (info)->dynobj = dynobj = abfd; if (! mips_elf_create_got_section (dynobj, info, FALSE)) @@ -5321,7 +5970,7 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, R_MIPS_CALL_HI16 because these are always followed by an R_MIPS_GOT_LO16 or R_MIPS_CALL_LO16. */ if (! mips_elf_record_local_got_symbol (abfd, r_symndx, - rel->r_addend, g)) + rel->r_addend, g, 0)) return FALSE; } @@ -5343,7 +5992,7 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, if (h != NULL) { /* This symbol requires a global offset table entry. */ - if (! mips_elf_record_global_got_symbol (h, abfd, info, g)) + if (! mips_elf_record_global_got_symbol (h, abfd, info, g, 0)) return FALSE; /* We need a stub, not a plt entry for the undefined @@ -5380,11 +6029,52 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, case R_MIPS_GOT_HI16: case R_MIPS_GOT_LO16: case R_MIPS_GOT_DISP: - /* This symbol requires a global offset table entry. */ - if (h && ! mips_elf_record_global_got_symbol (h, abfd, info, g)) + if (h && ! mips_elf_record_global_got_symbol (h, abfd, info, g, 0)) return FALSE; break; + case R_MIPS_TLS_GOTTPREL: + if (info->shared) + info->flags |= DF_STATIC_TLS; + /* Fall through */ + + case R_MIPS_TLS_LDM: + if (r_type == R_MIPS_TLS_LDM) + { + r_symndx = 0; + h = NULL; + } + /* Fall through */ + + case R_MIPS_TLS_GD: + /* This symbol requires a global offset table entry, or two + for TLS GD relocations. */ + { + unsigned char flag = (r_type == R_MIPS_TLS_GD + ? GOT_TLS_GD + : r_type == R_MIPS_TLS_LDM + ? GOT_TLS_LDM + : GOT_TLS_IE); + if (h != NULL) + { + struct mips_elf_link_hash_entry *hmips = + (struct mips_elf_link_hash_entry *) h; + hmips->tls_type |= flag; + + if (h && ! mips_elf_record_global_got_symbol (h, abfd, info, g, flag)) + return FALSE; + } + else + { + BFD_ASSERT (flag == GOT_TLS_LDM || r_symndx != 0); + + if (! mips_elf_record_local_got_symbol (abfd, r_symndx, + rel->r_addend, g, flag)) + return FALSE; + } + } + break; + case R_MIPS_32: case R_MIPS_REL32: case R_MIPS_64: @@ -5437,7 +6127,7 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, if (! mips_elf_create_got_section (dynobj, info, TRUE)) return FALSE; g = mips_elf_got_info (dynobj, &sgot); - if (! mips_elf_record_global_got_symbol (h, abfd, info, g)) + if (! mips_elf_record_global_got_symbol (h, abfd, info, g, 0)) return FALSE; } } @@ -5803,6 +6493,7 @@ _bfd_mips_elf_always_size_sections (bfd *output_bfd, bfd_size_type loadable_size = 0; bfd_size_type local_gotno; bfd *sub; + struct mips_elf_count_tls_arg count_tls_arg; /* The .reginfo section has a fixed size. */ ri = bfd_get_section_by_name (output_bfd, ".reginfo"); @@ -5871,9 +6562,30 @@ _bfd_mips_elf_always_size_sections (bfd *output_bfd, g->global_gotno = i; s->size += i * MIPS_ELF_GOT_SIZE (output_bfd); - if (s->size > MIPS_ELF_GOT_MAX_SIZE (output_bfd) - && ! mips_elf_multi_got (output_bfd, info, g, s, local_gotno)) - return FALSE; + /* We need to calculate tls_gotno for global symbols at this point + instead of building it up earlier, to avoid doublecounting + entries for one global symbol from multiple input files. */ + count_tls_arg.info = info; + count_tls_arg.needed = 0; + elf_link_hash_traverse (elf_hash_table (info), + mips_elf_count_global_tls_entries, + &count_tls_arg); + g->tls_gotno += count_tls_arg.needed; + s->size += g->tls_gotno * MIPS_ELF_GOT_SIZE (output_bfd); + + mips_elf_resolve_final_got_entries (g); + + if (s->size > MIPS_ELF_GOT_MAX_SIZE (output_bfd)) + { + if (! mips_elf_multi_got (output_bfd, info, g, s, local_gotno)) + return FALSE; + } + else + { + /* Set up TLS entries for the first GOT. */ + g->tls_assigned_gotno = g->global_gotno + g->local_gotno; + htab_traverse (g->got_entries, mips_elf_initialize_tls_index, g); + } return TRUE; } @@ -5988,6 +6700,9 @@ _bfd_mips_elf_size_dynamic_sections (bfd *output_bfd, set_got_offset_arg.value = MIPS_ELF_GOT_SIZE (output_bfd); set_got_offset_arg.info = info; + /* NOTE 2005-02-03: How can this call, or the next, ever + find any indirect entries to resolve? They were all + resolved in mips_elf_multi_got. */ mips_elf_resolve_final_got_entries (gg); for (g = gg->next; g && g->next != gg; g = g->next) { @@ -6013,13 +6728,28 @@ _bfd_mips_elf_size_dynamic_sections (bfd *output_bfd, needed_relocs += g->local_gotno - g->assigned_gotno; BFD_ASSERT (g->assigned_gotno == g->next->local_gotno + g->next->global_gotno + + g->next->tls_gotno + MIPS_RESERVED_GOTNO); } } + } + else + { + struct mips_elf_count_tls_arg arg; + arg.info = info; + arg.needed = 0; - if (needed_relocs) - mips_elf_allocate_dynamic_relocations (dynobj, needed_relocs); + htab_traverse (gg->got_entries, mips_elf_count_local_tls_relocs, + &arg); + elf_link_hash_traverse (elf_hash_table (info), + mips_elf_count_global_tls_relocs, + &arg); + + needed_relocs += arg.needed; } + + if (needed_relocs) + mips_elf_allocate_dynamic_relocations (dynobj, needed_relocs); } else if (strcmp (name, MIPS_ELF_STUB_SECTION_NAME (output_bfd)) == 0) { @@ -6646,11 +7376,11 @@ _bfd_mips_elf_finish_dynamic_symbol (bfd *output_bfd, bfd_vma value; value = sym->st_value; - offset = mips_elf_global_got_index (dynobj, output_bfd, h); + offset = mips_elf_global_got_index (dynobj, output_bfd, h, R_MIPS_GOT16, info); MIPS_ELF_PUT_WORD (output_bfd, value, sgot->contents + offset); } - if (g->next && h->dynindx != -1) + if (g->next && h->dynindx != -1 && h->type != STT_TLS) { struct mips_got_entry e, *p; bfd_vma entry; @@ -6661,6 +7391,7 @@ _bfd_mips_elf_finish_dynamic_symbol (bfd *output_bfd, e.abfd = output_bfd; e.symndx = -1; e.d.h = (struct mips_elf_link_hash_entry *)h; + e.tls_type = 0; for (g = g->next; g->next != gg; g = g->next) { @@ -6973,7 +7704,8 @@ _bfd_mips_elf_finish_dynamic_sections (bfd *output_bfd, for (g = gg->next; g->next != gg; g = g->next) { - bfd_vma index = g->next->local_gotno + g->next->global_gotno; + bfd_vma index = g->next->local_gotno + g->next->global_gotno + + g->next->tls_gotno; MIPS_ELF_PUT_WORD (output_bfd, 0, sgot->contents + index++ * MIPS_ELF_GOT_SIZE (output_bfd)); @@ -7587,6 +8319,11 @@ _bfd_mips_elf_copy_indirect_symbol (const struct elf_backend_data *bed, dirmips->readonly_reloc = TRUE; if (indmips->no_fn_stub) dirmips->no_fn_stub = TRUE; + + if (dirmips->tls_type == 0) + dirmips->tls_type = indmips->tls_type; + else + BFD_ASSERT (indmips->tls_type == 0); } void @@ -7605,7 +8342,7 @@ _bfd_mips_elf_hide_symbol (struct bfd_link_info *info, h->forced_local = force_local; dynobj = elf_hash_table (info)->dynobj; - if (dynobj != NULL && force_local) + if (dynobj != NULL && force_local && h->root.type != STT_TLS) { got = mips_elf_got_section (dynobj, FALSE); g = mips_elf_section_data (got)->u.got_info; @@ -7623,6 +8360,7 @@ _bfd_mips_elf_hide_symbol (struct bfd_link_info *info, e.abfd = dynobj; e.symndx = -1; e.d.h = h; + e.tls_type = 0; for (g = g->next; g != gg; g = g->next) if (htab_find (g->got_entries, &e)) diff --git a/bfd/libbfd.h b/bfd/libbfd.h index 2f475aa..8afdf89 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -928,6 +928,19 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", "BFD_RELOC_MIPS_REL16", "BFD_RELOC_MIPS_RELGOT", "BFD_RELOC_MIPS_JALR", + "BFD_RELOC_MIPS_TLS_DTPMOD32", + "BFD_RELOC_MIPS_TLS_DTPREL32", + "BFD_RELOC_MIPS_TLS_DTPMOD64", + "BFD_RELOC_MIPS_TLS_DTPREL64", + "BFD_RELOC_MIPS_TLS_GD", + "BFD_RELOC_MIPS_TLS_LDM", + "BFD_RELOC_MIPS_TLS_DTPREL_HI16", + "BFD_RELOC_MIPS_TLS_DTPREL_LO16", + "BFD_RELOC_MIPS_TLS_GOTTPREL", + "BFD_RELOC_MIPS_TLS_TPREL32", + "BFD_RELOC_MIPS_TLS_TPREL64", + "BFD_RELOC_MIPS_TLS_TPREL_HI16", + "BFD_RELOC_MIPS_TLS_TPREL_LO16", "BFD_RELOC_FRV_LABEL16", "BFD_RELOC_FRV_LABEL24", diff --git a/bfd/reloc.c b/bfd/reloc.c index a32d0b2..d952d1b 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -1,6 +1,6 @@ /* BFD support for handling relocation entries. Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003, 2004 + 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. Written by Cygnus Support. @@ -2125,6 +2125,32 @@ ENUMX BFD_RELOC_MIPS_RELGOT ENUMX BFD_RELOC_MIPS_JALR +ENUMX + BFD_RELOC_MIPS_TLS_DTPMOD32 +ENUMX + BFD_RELOC_MIPS_TLS_DTPREL32 +ENUMX + BFD_RELOC_MIPS_TLS_DTPMOD64 +ENUMX + BFD_RELOC_MIPS_TLS_DTPREL64 +ENUMX + BFD_RELOC_MIPS_TLS_GD +ENUMX + BFD_RELOC_MIPS_TLS_LDM +ENUMX + BFD_RELOC_MIPS_TLS_DTPREL_HI16 +ENUMX + BFD_RELOC_MIPS_TLS_DTPREL_LO16 +ENUMX + BFD_RELOC_MIPS_TLS_GOTTPREL +ENUMX + BFD_RELOC_MIPS_TLS_TPREL32 +ENUMX + BFD_RELOC_MIPS_TLS_TPREL64 +ENUMX + BFD_RELOC_MIPS_TLS_TPREL_HI16 +ENUMX + BFD_RELOC_MIPS_TLS_TPREL_LO16 ENUMDOC MIPS ELF relocations. COMMENT |