Improve TLS support on TILE-Gx/TILEPro:
- Add support for TLS LE references.
- Support linker optimization of TLS references.
- Delete relocations of GOT/tp relative offsets beyond 32-bits.
This brings binutils in line with the support expected in gcc 4.7, for
TILE-Gx/TILEPro.
bfd/
* reloc.c: Add BFD_RELOC_TILEPRO_TLS_GD_CALL,
BFD_RELOC_TILEPRO_IMM8_X0_TLS_GD_ADD,
BFD_RELOC_TILEPRO_IMM8_X1_TLS_GD_ADD,
BFD_RELOC_TILEPRO_IMM8_Y0_TLS_GD_ADD,
BFD_RELOC_TILEPRO_IMM8_Y1_TLS_GD_ADD,
BFD_RELOC_TILEPRO_TLS_IE_LOAD, BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE,
BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE,
BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_LO,
BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_LO,
BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HI,
BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HI,
BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HA,
BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HA,
BFD_RELOC_TILEGX_IMM16_X0_HW0_TLS_LE,
BFD_RELOC_TILEGX_IMM16_X1_HW0_TLS_LE,
BFD_RELOC_TILEGX_IMM16_X0_HW0_LAST_TLS_LE,
BFD_RELOC_TILEGX_IMM16_X1_HW0_LAST_TLS_LE,
BFD_RELOC_TILEGX_IMM16_X0_HW1_LAST_TLS_LE,
BFD_RELOC_TILEGX_IMM16_X1_HW1_LAST_TLS_LE,
BFD_RELOC_TILEGX_TLS_GD_CALL, BFD_RELOC_TILEGX_IMM8_X0_TLS_GD_ADD,
BFD_RELOC_TILEGX_IMM8_X1_TLS_GD_ADD,
BFD_RELOC_TILEGX_IMM8_Y0_TLS_GD_ADD,
BFD_RELOC_TILEGX_IMM8_Y1_TLS_GD_ADD, BFD_RELOC_TILEGX_TLS_IE_LOAD,
BFD_RELOC_TILEGX_IMM8_X0_TLS_ADD,
BFD_RELOC_TILEGX_IMM8_X1_TLS_ADD,
BFD_RELOC_TILEGX_IMM8_Y0_TLS_ADD, BFD_RELOC_TILEGX_IMM8_Y1_TLS_ADD.
Delete BFD_RELOC_TILEGX_IMM16_X0_HW1_GOT,
BFD_RELOC_TILEGX_IMM16_X1_HW1_GOT,
BFD_RELOC_TILEGX_IMM16_X0_HW2_GOT,
BFD_RELOC_TILEGX_IMM16_X1_HW2_GOT,
BFD_RELOC_TILEGX_IMM16_X0_HW3_GOT,
BFD_RELOC_TILEGX_IMM16_X1_HW3_GOT,
BFD_RELOC_TILEGX_IMM16_X0_HW2_LAST_GOT,
BFD_RELOC_TILEGX_IMM16_X1_HW2_LAST_GOT,
BFD_RELOC_TILEGX_IMM16_X0_HW1_TLS_GD,
BFD_RELOC_TILEGX_IMM16_X1_HW1_TLS_GD,
BFD_RELOC_TILEGX_IMM16_X0_HW2_TLS_GD,
BFD_RELOC_TILEGX_IMM16_X1_HW2_TLS_GD,
BFD_RELOC_TILEGX_IMM16_X0_HW3_TLS_GD,
BFD_RELOC_TILEGX_IMM16_X1_HW3_TLS_GD,
BFD_RELOC_TILEGX_IMM16_X0_HW2_LAST_TLS_GD,
BFD_RELOC_TILEGX_IMM16_X1_HW2_LAST_TLS_GD,
BFD_RELOC_TILEGX_IMM16_X0_HW1_TLS_IE,
BFD_RELOC_TILEGX_IMM16_X1_HW1_TLS_IE,
BFD_RELOC_TILEGX_IMM16_X0_HW2_TLS_IE,
BFD_RELOC_TILEGX_IMM16_X1_HW2_TLS_IE,
BFD_RELOC_TILEGX_IMM16_X0_HW3_TLS_IE,
BFD_RELOC_TILEGX_IMM16_X1_HW3_TLS_IE,
BFD_RELOC_TILEGX_IMM16_X0_HW2_LAST_TLS_IE,
BFD_RELOC_TILEGX_IMM16_X1_HW2_LAST_TLS_IE.
* elf32-tilepro.c (tilepro_elf_howto_table): Update tilepro
relocations.
(tilepro_reloc_map): Ditto.
(tilepro_info_to_howto_rela): Ditto.
(reloc_to_create_func): Ditto.
(tilepro_tls_translate_to_le): New.
(tilepro_tls_translate_to_ie): New.
(tilepro_elf_tls_transition): New.
(tilepro_elf_check_relocs): Handle new tls relocations.
(tilepro_elf_gc_sweep_hook): Ditto.
(allocate_dynrelocs): Ditto.
(tilepro_elf_relocate_section): Ditto.
(tilepro_replace_insn): New.
(insn_mask_X1): New.
(insn_mask_X0_no_dest_no_srca): New
(insn_mask_X1_no_dest_no_srca): New
(insn_mask_Y0_no_dest_no_srca): New
(insn_mask_Y1_no_dest_no_srca): New
(srca_mask_X0): New
(srca_mask_X1): New
(insn_tls_le_move_X1): New
(insn_tls_le_move_zero_X0X1): New
(insn_tls_ie_lw_X1): New
(insn_tls_ie_add_X0X1): New
(insn_tls_ie_add_Y0Y1): New
(insn_tls_gd_add_X0X1): New
(insn_tls_gd_add_Y0Y1): New
* elfxx-tilegx.c (tilegx_elf_howto_table): Update tilegx
relocations.
(tilegx_reloc_map): Ditto.
(tilegx_info_to_howto_rela): Ditto.
(reloc_to_create_func): Ditto.
(tilegx_elf_link_hash_table): New field disable_le_transition.
(tilegx_tls_translate_to_le): New.
(tilegx_tls_translate_to_ie): New.
(tilegx_elf_tls_transition): New.
(tilegx_elf_check_relocs): Handle new tls relocations.
(tilegx_elf_gc_sweep_hook): Ditto.
(allocate_dynrelocs): Ditto.
(tilegx_elf_relocate_section): Ditto.
(tilegx_copy_bits): New.
(tilegx_replace_insn): New.
(insn_mask_X1): New.
(insn_mask_X0_no_dest_no_srca): New.
(insn_mask_X1_no_dest_no_srca): New.
(insn_mask_Y0_no_dest_no_srca): New.
(insn_mask_Y1_no_dest_no_srca): New.
(insn_mask_X0_no_operand): New.
(insn_mask_X1_no_operand): New.
(insn_mask_Y0_no_operand): New.
(insn_mask_Y1_no_operand): New.
(insn_tls_ie_ld_X1): New.
(insn_tls_ie_ld4s_X1): New.
(insn_tls_ie_add_X0X1): New.
(insn_tls_ie_add_Y0Y1): New.
(insn_tls_ie_addx_X0X1): New.
(insn_tls_ie_addx_Y0Y1): New.
(insn_tls_gd_add_X0X1): New.
(insn_tls_gd_add_Y0Y1): New.
(insn_move_X0X1): New.
(insn_move_Y0Y1): New.
(insn_add_X0X1): New.
(insn_add_Y0Y1): New.
(insn_addx_X0X1): New.
(insn_addx_Y0Y1): New.
* libbfd.h: Regenerate.
* bfd-in2.h: Regenerate.
gas/
* tc-tilepro.c (O_tls_le): Define operator.
(O_tls_le_lo16): Ditto.
(O_tls_le_hi16): Ditto.
(O_tls_le_ha16): Ditto.
(O_tls_gd_call): Ditto.
(O_tls_gd_add): Ditto.
(O_tls_ie_load): Ditto.
(md_begin): Delete old operators; handle new operators.
(emit_tilepro_instruction): Ditto.
(md_apply_fix): Ditto.
* tc-tilegx.c (O_hw1_got): Delete operator.
(O_hw2_got): Ditto.
(O_hw3_got): Ditto.
(O_hw2_last_got): Ditto.
(O_hw1_tls_gd): Ditto.
(O_hw2_tls_gd): Ditto.
(O_hw3_tls_gd): Ditto.
(O_hw2_last_tls_gd): Ditto.
(O_hw1_tls_ie): Ditto.
(O_hw2_tls_ie): Ditto.
(O_hw3_tls_ie): Ditto.
(O_hw2_last_tls_ie): Ditto.
(O_hw0_tls_le): Define operator.
(O_hw0_last_tls_le): Ditto.
(O_hw1_last_tls_le): Ditto.
(O_tls_gd_call): Ditto.
(O_tls_gd_add): Ditto.
(O_tls_ie_load): Ditto.
(O_tls_add): Ditto.
(md_begin): Delete old operators; handle new operators.
(emit_tilegx_instruction): Ditto.
(md_apply_fix): Ditto.
* doc/c-tilegx.texi: Delete old operators; document new operators.
* doc/c-tilepro.texi: Ditto.
include/elf/
* tilegx.h (R_TILEGX_IMM16_X0_HW1_GOT): Delete.
(R_TILEGX_IMM16_X1_HW1_GOT): Ditto.
(R_TILEGX_IMM16_X0_HW2_GOT): Ditto.
(R_TILEGX_IMM16_X1_HW2_GOT): Ditto.
(R_TILEGX_IMM16_X0_HW3_GOT): Ditto.
(R_TILEGX_IMM16_X1_HW3_GOT): Ditto.
(R_TILEGX_IMM16_X0_HW2_LAST_GOT): Ditto.
(R_TILEGX_IMM16_X1_HW2_LAST_GOT): Ditto.
(R_TILEGX_IMM16_X0_HW1_TLS_GD): Ditto.
(R_TILEGX_IMM16_X1_HW1_TLS_GD): Ditto.
(R_TILEGX_IMM16_X0_HW2_TLS_GD): Ditto.
(R_TILEGX_IMM16_X1_HW2_TLS_GD): Ditto.
(R_TILEGX_IMM16_X0_HW3_TLS_GD): Ditto.
(R_TILEGX_IMM16_X1_HW3_TLS_GD): Ditto.
(R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD): Ditto.
(R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD): Ditto.
(R_TILEGX_IMM16_X0_HW1_TLS_IE): Ditto.
(R_TILEGX_IMM16_X1_HW1_TLS_IE): Ditto.
(R_TILEGX_IMM16_X0_HW2_TLS_IE): Ditto.
(R_TILEGX_IMM16_X1_HW2_TLS_IE): Ditto.
(R_TILEGX_IMM16_X0_HW3_TLS_IE): Ditto.
(R_TILEGX_IMM16_X1_HW3_TLS_IE): Ditto.
(R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE): Ditto.
(R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE): Ditto.
(R_TILEGX_IMM16_X0_HW0_TLS_LE): New relocation.
(R_TILEGX_IMM16_X1_HW0_TLS_LE): Ditto.
(R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE): Ditto.
(R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE): Ditto.
(R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE): Ditto.
(R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE): Ditto.
(R_TILEGX_TLS_GD_CALL): Ditto.
(R_TILEGX_IMM8_X0_TLS_GD_ADD): Ditto.
(R_TILEGX_IMM8_X1_TLS_GD_ADD): Ditto.
(R_TILEGX_IMM8_Y0_TLS_GD_ADD): Ditto.
(R_TILEGX_IMM8_Y1_TLS_GD_ADD): Ditto.
(R_TILEGX_TLS_IE_LOAD): Ditto.
(R_TILEGX_IMM8_X0_TLS_ADD): Ditto.
(R_TILEGX_IMM8_X1_TLS_ADD): Ditto.
(R_TILEGX_IMM8_Y0_TLS_ADD): Ditto.
(R_TILEGX_IMM8_Y1_TLS_ADD): Ditto.
* tilepro.h (R_TILEPRO_TLS_GD_CALL): New relocation.
(R_TILEPRO_IMM8_X0_TLS_GD_ADD): Ditto.
(R_TILEPRO_IMM8_X1_TLS_GD_ADD): Ditto.
(R_TILEPRO_IMM8_Y0_TLS_GD_ADD): Ditto.
(R_TILEPRO_IMM8_Y1_TLS_GD_ADD): Ditto.
(R_TILEPRO_TLS_IE_LOAD): Ditto.
(R_TILEPRO_IMM16_X0_TLS_LE): Ditto.
(R_TILEPRO_IMM16_X1_TLS_LE): Ditto.
(R_TILEPRO_IMM16_X0_TLS_LE_LO): Ditto.
(R_TILEPRO_IMM16_X1_TLS_LE_LO): Ditto.
(R_TILEPRO_IMM16_X0_TLS_LE_HI): Ditto.
(R_TILEPRO_IMM16_X1_TLS_LE_HI): Ditto.
(R_TILEPRO_IMM16_X0_TLS_LE_HA): Ditto.
(R_TILEPRO_IMM16_X1_TLS_LE_HA): Ditto.
include/opcode/
* tilegx.h (tilegx_mnemonic): Add TILEGX_OPC_LD4S_TLS,
TILEGX_OPC_LD_TLS.
* tilepro.h (tilepro_mnemonic): Add TILEPRO_OPC_LW_TLS,
TILEPRO_OPC_LW_TLS_SN.
opcodes/
* tilegx-opc.c: Handle TILEGX_OPC_LD4S_TLS and TILEGX_OPC_LD_TLS.
* tilepro-opc.c: Handle TILEPRO_OPC_LW_TLS and
TILEPRO_OPC_LW_TLS_SN.
6f7be9592d