From 29c470fbb6ec3332f65abfccd1afa44bcfa42df4 Mon Sep 17 00:00:00 2001 From: walt Date: Sat, 25 Feb 2012 22:24:18 +0000 Subject: 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. --- bfd/elf32-tilepro.c | 550 ++++++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 486 insertions(+), 64 deletions(-) (limited to 'bfd/elf32-tilepro.c') diff --git a/bfd/elf32-tilepro.c b/bfd/elf32-tilepro.c index 7b08aff04e..48a99aa76e 100644 --- a/bfd/elf32-tilepro.c +++ b/bfd/elf32-tilepro.c @@ -380,12 +380,26 @@ static reloc_howto_type tilepro_elf_howto_table [] = EMPTY_HOWTO (57), EMPTY_HOWTO (58), EMPTY_HOWTO (59), - EMPTY_HOWTO (60), - EMPTY_HOWTO (61), - EMPTY_HOWTO (62), - EMPTY_HOWTO (63), - EMPTY_HOWTO (64), - EMPTY_HOWTO (65), + + HOWTO (R_TILEPRO_TLS_GD_CALL, /* type */ + TILEPRO_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 29, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_TILEPRO_TLS_GD_CALL", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + -1, /* dst_mask */ + TRUE), /* pcrel_offset */ + + TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_X0_TLS_GD_ADD, 0, 8), + TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_X1_TLS_GD_ADD, 0, 8), + TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_Y0_TLS_GD_ADD, 0, 8), + TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_Y1_TLS_GD_ADD, 0, 8), + TILEPRO_IMM_HOWTO(R_TILEPRO_TLS_IE_LOAD, 0, 8), /* Offsets into the GOT of TLS Descriptors. */ @@ -454,17 +468,12 @@ static reloc_howto_type tilepro_elf_howto_table [] = -1, /* dst_mask */ TRUE), /* pcrel_offset */ -#define TILEPRO_IMM16_HOWTO_TLS_IE(name, rshift) \ - HOWTO (name, rshift, 1, 16, FALSE, 0, \ - complain_overflow_dont, bfd_elf_generic_reloc, \ - #name, FALSE, 0, 0xffff, TRUE) - - TILEPRO_IMM16_HOWTO_TLS_IE (R_TILEPRO_IMM16_X0_TLS_IE_LO, 0), - TILEPRO_IMM16_HOWTO_TLS_IE (R_TILEPRO_IMM16_X1_TLS_IE_LO, 0), - TILEPRO_IMM16_HOWTO_TLS_IE (R_TILEPRO_IMM16_X0_TLS_IE_HI, 16), - TILEPRO_IMM16_HOWTO_TLS_IE (R_TILEPRO_IMM16_X1_TLS_IE_HI, 16), - TILEPRO_IMM16_HOWTO_TLS_IE (R_TILEPRO_IMM16_X0_TLS_IE_HA, 16), - TILEPRO_IMM16_HOWTO_TLS_IE (R_TILEPRO_IMM16_X1_TLS_IE_HA, 16), + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_IE_LO, 0), + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_IE_LO, 0), + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_IE_HI, 16), + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_IE_HI, 16), + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_IE_HA, 16), + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_IE_HA, 16), /* These are common with the Solaris TLS implementation. */ HOWTO(R_TILEPRO_TLS_DTPMOD32, 0, 0, 0, FALSE, 0, complain_overflow_dont, @@ -475,8 +484,42 @@ static reloc_howto_type tilepro_elf_howto_table [] = FALSE, 0, 0xFFFFFFFF, TRUE), HOWTO(R_TILEPRO_TLS_TPOFF32, 0, 0, 0, FALSE, 0, complain_overflow_dont, bfd_elf_generic_reloc, "R_TILEPRO_TLS_TPOFF32", - FALSE, 0, 0, TRUE) + FALSE, 0, 0, TRUE), + HOWTO (R_TILEPRO_IMM16_X0_TLS_LE,/* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_TILEPRO_IMM16_X0_TLS_LE",/* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + -1, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_TILEPRO_IMM16_X1_TLS_LE,/* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_TILEPRO_IMM16_X1_TLS_LE",/* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + -1, /* dst_mask */ + TRUE), /* pcrel_offset */ + + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_LE_LO, 0), + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_LE_LO, 0), + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_LE_HI, 16), + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_LE_HI, 16), + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_LE_HA, 16), + TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_LE_HA, 16), }; static reloc_howto_type tilepro_elf_howto_table2 [] = @@ -590,6 +633,13 @@ static const reloc_map tilepro_reloc_map [] = TH_REMAP (BFD_RELOC_TILEPRO_SHAMT_Y0, R_TILEPRO_SHAMT_Y0) TH_REMAP (BFD_RELOC_TILEPRO_SHAMT_Y1, R_TILEPRO_SHAMT_Y1) + TH_REMAP (BFD_RELOC_TILEPRO_TLS_GD_CALL, R_TILEPRO_TLS_GD_CALL) + TH_REMAP (BFD_RELOC_TILEPRO_IMM8_X0_TLS_GD_ADD, R_TILEPRO_IMM8_X0_TLS_GD_ADD) + TH_REMAP (BFD_RELOC_TILEPRO_IMM8_X1_TLS_GD_ADD, R_TILEPRO_IMM8_X1_TLS_GD_ADD) + TH_REMAP (BFD_RELOC_TILEPRO_IMM8_Y0_TLS_GD_ADD, R_TILEPRO_IMM8_Y0_TLS_GD_ADD) + TH_REMAP (BFD_RELOC_TILEPRO_IMM8_Y1_TLS_GD_ADD, R_TILEPRO_IMM8_Y1_TLS_GD_ADD) + TH_REMAP (BFD_RELOC_TILEPRO_TLS_IE_LOAD, R_TILEPRO_TLS_IE_LOAD) + TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD, R_TILEPRO_IMM16_X0_TLS_GD) TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD, R_TILEPRO_IMM16_X1_TLS_GD) TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD_LO, R_TILEPRO_IMM16_X0_TLS_GD_LO) @@ -612,6 +662,15 @@ static const reloc_map tilepro_reloc_map [] = TH_REMAP (BFD_RELOC_TILEPRO_TLS_DTPOFF32, R_TILEPRO_TLS_DTPOFF32) TH_REMAP (BFD_RELOC_TILEPRO_TLS_TPOFF32, R_TILEPRO_TLS_TPOFF32) + TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE, R_TILEPRO_IMM16_X0_TLS_LE) + TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE, R_TILEPRO_IMM16_X1_TLS_LE) + TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_LO, R_TILEPRO_IMM16_X0_TLS_LE_LO) + TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_LO, R_TILEPRO_IMM16_X1_TLS_LE_LO) + TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HI, R_TILEPRO_IMM16_X0_TLS_LE_HI) + TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HI, R_TILEPRO_IMM16_X1_TLS_LE_HI) + TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HA, R_TILEPRO_IMM16_X0_TLS_LE_HA) + TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HA, R_TILEPRO_IMM16_X1_TLS_LE_HA) + #undef TH_REMAP { BFD_RELOC_VTABLE_INHERIT, R_TILEPRO_GNU_VTINHERIT, tilepro_elf_howto_table2 }, @@ -745,7 +804,7 @@ tilepro_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED, { unsigned int r_type = ELF32_R_TYPE (dst->r_info); - if (r_type <= (unsigned int) R_TILEPRO_TLS_TPOFF32) + if (r_type <= (unsigned int) R_TILEPRO_IMM16_X1_TLS_LE_HA) cache_ptr->howto = &tilepro_elf_howto_table [r_type]; else if (r_type - R_TILEPRO_GNU_VTINHERIT <= (unsigned int) R_TILEPRO_GNU_VTENTRY) @@ -845,7 +904,20 @@ static const tilepro_create_func reloc_to_create_func[] = create_Imm16_X0, create_Imm16_X1, create_Imm16_X0, - create_Imm16_X1 + create_Imm16_X1, + + NULL, + NULL, + NULL, + + create_Imm16_X0, + create_Imm16_X1, + create_Imm16_X0, + create_Imm16_X1, + create_Imm16_X0, + create_Imm16_X1, + create_Imm16_X0, + create_Imm16_X1, }; #define NELEMS(a) ((int) (sizeof (a) / sizeof ((a)[0]))) @@ -1288,6 +1360,99 @@ tilepro_elf_copy_indirect_symbol (struct bfd_link_info *info, _bfd_elf_link_hash_copy_indirect (info, dir, ind); } +static int +tilepro_tls_translate_to_le (int r_type) +{ + switch (r_type) + { + case R_TILEPRO_IMM16_X0_TLS_GD: + case R_TILEPRO_IMM16_X0_TLS_IE: + return R_TILEPRO_IMM16_X0_TLS_LE; + + case R_TILEPRO_IMM16_X1_TLS_GD: + case R_TILEPRO_IMM16_X1_TLS_IE: + return R_TILEPRO_IMM16_X1_TLS_LE; + + case R_TILEPRO_IMM16_X0_TLS_GD_LO: + case R_TILEPRO_IMM16_X0_TLS_IE_LO: + return R_TILEPRO_IMM16_X0_TLS_LE_LO; + + case R_TILEPRO_IMM16_X1_TLS_GD_LO: + case R_TILEPRO_IMM16_X1_TLS_IE_LO: + return R_TILEPRO_IMM16_X1_TLS_LE_LO; + + case R_TILEPRO_IMM16_X0_TLS_GD_HI: + case R_TILEPRO_IMM16_X0_TLS_IE_HI: + return R_TILEPRO_IMM16_X0_TLS_LE_HI; + + case R_TILEPRO_IMM16_X1_TLS_GD_HI: + case R_TILEPRO_IMM16_X1_TLS_IE_HI: + return R_TILEPRO_IMM16_X1_TLS_LE_HI; + + case R_TILEPRO_IMM16_X0_TLS_GD_HA: + case R_TILEPRO_IMM16_X0_TLS_IE_HA: + return R_TILEPRO_IMM16_X0_TLS_LE_HA; + + case R_TILEPRO_IMM16_X1_TLS_GD_HA: + case R_TILEPRO_IMM16_X1_TLS_IE_HA: + return R_TILEPRO_IMM16_X1_TLS_LE_HA; + } + return r_type; +} + +static int +tilepro_tls_translate_to_ie (int r_type) +{ + switch (r_type) + { + case R_TILEPRO_IMM16_X0_TLS_GD: + case R_TILEPRO_IMM16_X0_TLS_IE: + return R_TILEPRO_IMM16_X0_TLS_IE; + + case R_TILEPRO_IMM16_X1_TLS_GD: + case R_TILEPRO_IMM16_X1_TLS_IE: + return R_TILEPRO_IMM16_X1_TLS_IE; + + case R_TILEPRO_IMM16_X0_TLS_GD_LO: + case R_TILEPRO_IMM16_X0_TLS_IE_LO: + return R_TILEPRO_IMM16_X0_TLS_IE_LO; + + case R_TILEPRO_IMM16_X1_TLS_GD_LO: + case R_TILEPRO_IMM16_X1_TLS_IE_LO: + return R_TILEPRO_IMM16_X1_TLS_IE_LO; + + case R_TILEPRO_IMM16_X0_TLS_GD_HI: + case R_TILEPRO_IMM16_X0_TLS_IE_HI: + return R_TILEPRO_IMM16_X0_TLS_IE_HI; + + case R_TILEPRO_IMM16_X1_TLS_GD_HI: + case R_TILEPRO_IMM16_X1_TLS_IE_HI: + return R_TILEPRO_IMM16_X1_TLS_IE_HI; + + case R_TILEPRO_IMM16_X0_TLS_GD_HA: + case R_TILEPRO_IMM16_X0_TLS_IE_HA: + return R_TILEPRO_IMM16_X0_TLS_IE_HA; + + case R_TILEPRO_IMM16_X1_TLS_GD_HA: + case R_TILEPRO_IMM16_X1_TLS_IE_HA: + return R_TILEPRO_IMM16_X1_TLS_IE_HA; + } + return r_type; +} + +static int +tilepro_elf_tls_transition (struct bfd_link_info *info, int r_type, + int is_local) +{ + if (info->shared) + return r_type; + + if (is_local) + return tilepro_tls_translate_to_le (r_type); + else + return tilepro_tls_translate_to_ie (r_type); +} + /* Look through the relocs for a section during the first phase, and allocate space in the global offset table or procedure linkage table. */ @@ -1348,8 +1513,21 @@ tilepro_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, h = (struct elf_link_hash_entry *) h->root.u.i.link; } + r_type = tilepro_elf_tls_transition (info, r_type, h == NULL); switch (r_type) { + case R_TILEPRO_IMM16_X0_TLS_LE: + case R_TILEPRO_IMM16_X1_TLS_LE: + case R_TILEPRO_IMM16_X0_TLS_LE_LO: + case R_TILEPRO_IMM16_X1_TLS_LE_LO: + case R_TILEPRO_IMM16_X0_TLS_LE_HI: + case R_TILEPRO_IMM16_X1_TLS_LE_HI: + case R_TILEPRO_IMM16_X0_TLS_LE_HA: + case R_TILEPRO_IMM16_X1_TLS_LE_HA: + if (info->shared) + goto r_tilepro_plt32; + break; + case R_TILEPRO_IMM16_X0_TLS_GD: case R_TILEPRO_IMM16_X1_TLS_GD: case R_TILEPRO_IMM16_X0_TLS_GD_LO: @@ -1358,7 +1536,8 @@ tilepro_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, case R_TILEPRO_IMM16_X1_TLS_GD_HI: case R_TILEPRO_IMM16_X0_TLS_GD_HA: case R_TILEPRO_IMM16_X1_TLS_GD_HA: - tls_type = GOT_TLS_GD; + BFD_ASSERT (info->shared); + tls_type = GOT_TLS_GD; goto have_got_reference; case R_TILEPRO_IMM16_X0_TLS_IE: @@ -1454,6 +1633,24 @@ tilepro_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, } break; + case R_TILEPRO_TLS_GD_CALL: + if (info->shared) + { + /* These are basically R_TILEPRO_JOFFLONG_X1_PLT relocs + against __tls_get_addr. */ + struct bfd_link_hash_entry *bh = NULL; + if (! _bfd_generic_link_add_one_symbol (info, abfd, + "__tls_get_addr", 0, + bfd_und_section_ptr, 0, + NULL, FALSE, FALSE, + &bh)) + return FALSE; + h = (struct elf_link_hash_entry *) bh; + } + else + break; + /* Fall through */ + case R_TILEPRO_JOFFLONG_X1_PLT: /* This symbol requires a procedure linkage table entry. We actually build the entry in adjust_dynamic_symbol, @@ -1523,15 +1720,14 @@ tilepro_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, case R_TILEPRO_SHAMT_Y0: case R_TILEPRO_SHAMT_Y1: if (h != NULL) - { h->non_got_ref = 1; - if (!info->shared) - { - /* We may need a .plt entry if the function this reloc - refers to is in a shared lib. */ - h->plt.refcount += 1; - } + r_tilepro_plt32: + if (h != NULL && !info->shared) + { + /* We may need a .plt entry if the function this reloc + refers to is in a shared lib. */ + h->plt.refcount += 1; } /* If we are creating a shared library, and this is a reloc @@ -1725,6 +1921,7 @@ tilepro_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, } r_type = ELF32_R_TYPE (rel->r_info); + r_type = tilepro_elf_tls_transition (info, r_type, h != NULL); switch (r_type) { case R_TILEPRO_IMM16_X0_GOT: @@ -1758,7 +1955,8 @@ tilepro_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, } else { - if (local_got_refcounts[r_symndx] > 0) + if (local_got_refcounts && + local_got_refcounts[r_symndx] > 0) local_got_refcounts[r_symndx]--; } break; @@ -2040,7 +2238,14 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) h->needs_plt = 0; } - if (h->got.refcount > 0) + /* If a TLS_IE symbol is now local to the binary, make it a TLS_LE + requiring no TLS entry. */ + if (h->got.refcount > 0 + && !info->shared + && h->dynindx == -1 + && tilepro_elf_hash_entry(h)->tls_type == GOT_TLS_IE) + h->got.offset = (bfd_vma) -1; + else if (h->got.refcount > 0) { asection *s; bfd_boolean dyn; @@ -2467,6 +2672,87 @@ tpoff (struct bfd_link_info *info, bfd_vma address) return (address - htab->tls_sec->vma); } +/* Replace the MASK bits in ADDR with those in INSN, for the next + TILEPRO_BUNDLE_SIZE_IN_BYTES bytes. */ + +static void +tilepro_replace_insn (bfd_byte *addr, const bfd_byte *mask, + const bfd_byte *insn) +{ + int i; + for (i = 0; i < TILEPRO_BUNDLE_SIZE_IN_BYTES; i++) + { + addr[i] = (addr[i] & ~mask[i]) | (insn[i] & mask[i]); + } +} + +/* Mask to extract the bits corresponding to an instruction in a + specific pipe of a bundle. */ +static const bfd_byte insn_mask_X1[] = { + 0x00, 0x00, 0x00, 0x80, 0xff, 0xff, 0xff, 0x7f +}; + +/* Mask to extract the bits corresponding to an instruction in a + specific pipe of a bundle, minus the destination operand and the + first source operand. */ +static const bfd_byte insn_mask_X0_no_dest_no_srca[] = { + 0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00 +}; + +static const bfd_byte insn_mask_X1_no_dest_no_srca[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x7f +}; + +static const bfd_byte insn_mask_Y0_no_dest_no_srca[] = { + 0x00, 0xf0, 0x0f, 0x78, 0x00, 0x00, 0x00, 0x00 +}; + +static const bfd_byte insn_mask_Y1_no_dest_no_srca[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0x78 +}; + +/* Mask to extract the first source operand of an instruction. */ +static const bfd_byte srca_mask_X0[] = { + 0xc0, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +static const bfd_byte srca_mask_X1[] = { + 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00 +}; + +/* Various instructions synthesized to support tls references. */ + +/* move r0, r0 in the X1 pipe, used for tls le. */ +static const bfd_byte insn_tls_le_move_X1[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x33, 0x08 +}; + +/* move r0, zero in the X0 and X1 pipe, used for tls le. */ +static const bfd_byte insn_tls_le_move_zero_X0X1[] = { + 0xc0, 0xff, 0xcf, 0x00, 0xe0, 0xff, 0x33, 0x08 +}; + +/* lw r0, r0 in the X1 pipe, used for tls ie. */ +static const bfd_byte insn_tls_ie_lw_X1[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x0b, 0x40 +}; + +/* add r0, r0, tp in various pipes, used for tls ie. */ +static const bfd_byte insn_tls_ie_add_X0X1[] = { + 0x00, 0x50, 0x0f, 0x00, 0x00, 0xa8, 0x07, 0x08 +}; +static const bfd_byte insn_tls_ie_add_Y0Y1[] = { + 0x00, 0x50, 0x03, 0x08, 0x00, 0xa8, 0x01, 0x8c +}; + +/* move r0, r0 in various pipes, used for tls gd. */ +static const bfd_byte insn_tls_gd_add_X0X1[] = { + 0x00, 0xf0, 0xcf, 0x00, 0x00, 0xf8, 0x33, 0x08 +}; +static const bfd_byte insn_tls_gd_add_Y0Y1[] = { + 0x00, 0xf0, 0x0b, 0x18, 0x00, 0xf8, 0x05, 0x9c +}; + /* Relocate an TILEPRO ELF section. The RELOCATE_SECTION function is called by the new ELF backend linker @@ -2531,6 +2817,7 @@ tilepro_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, for (; rel < relend; rel++) { int r_type, tls_type; + bfd_boolean is_tls_iele, is_tls_le; reloc_howto_type *howto; unsigned long r_symndx; struct elf_link_hash_entry *h; @@ -2611,6 +2898,118 @@ tilepro_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, name = bfd_section_name (input_bfd, sec); } + switch (r_type) + { + case R_TILEPRO_TLS_GD_CALL: + case R_TILEPRO_IMM8_X0_TLS_GD_ADD: + case R_TILEPRO_IMM8_Y0_TLS_GD_ADD: + case R_TILEPRO_IMM8_X1_TLS_GD_ADD: + case R_TILEPRO_IMM8_Y1_TLS_GD_ADD: + case R_TILEPRO_IMM16_X0_TLS_GD_HA: + case R_TILEPRO_IMM16_X1_TLS_GD_HA: + case R_TILEPRO_IMM16_X0_TLS_IE_HA: + case R_TILEPRO_IMM16_X1_TLS_IE_HA: + tls_type = GOT_UNKNOWN; + if (h == NULL && local_got_offsets) + tls_type = + _bfd_tilepro_elf_local_got_tls_type (input_bfd) [r_symndx]; + else if (h != NULL) + tls_type = tilepro_elf_hash_entry(h)->tls_type; + + is_tls_iele = (! info->shared || tls_type == GOT_TLS_IE); + is_tls_le = is_tls_iele && (!info->shared + && (h == NULL || h->dynindx == -1)); + + if (r_type == R_TILEPRO_TLS_GD_CALL) + { + if (is_tls_le) + { + /* GD -> LE */ + tilepro_replace_insn (contents + rel->r_offset, + insn_mask_X1, insn_tls_le_move_X1); + continue; + } + else if (is_tls_iele) + { + /* GD -> IE */ + tilepro_replace_insn (contents + rel->r_offset, + insn_mask_X1, insn_tls_ie_lw_X1); + continue; + } + + /* GD -> GD */ + h = (struct elf_link_hash_entry *) + bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE, + FALSE, TRUE); + BFD_ASSERT (h != NULL); + r_type = R_TILEPRO_JOFFLONG_X1_PLT; + howto = tilepro_elf_howto_table + r_type; + } + else if (r_type == R_TILEPRO_IMM16_X0_TLS_GD_HA + || r_type == R_TILEPRO_IMM16_X0_TLS_IE_HA) + { + if (is_tls_le) + tilepro_replace_insn (contents + rel->r_offset, srca_mask_X0, + insn_tls_le_move_zero_X0X1); + } + else if (r_type == R_TILEPRO_IMM16_X1_TLS_GD_HA + || r_type == R_TILEPRO_IMM16_X1_TLS_IE_HA) + { + if (is_tls_le) + tilepro_replace_insn (contents + rel->r_offset, srca_mask_X1, + insn_tls_le_move_zero_X0X1); + } + else + { + const bfd_byte *mask = NULL; + const bfd_byte *add_insn = NULL; + + switch (r_type) + { + case R_TILEPRO_IMM8_X0_TLS_GD_ADD: + add_insn = is_tls_iele ? insn_tls_ie_add_X0X1 + : insn_tls_gd_add_X0X1; + mask = insn_mask_X0_no_dest_no_srca; + break; + case R_TILEPRO_IMM8_X1_TLS_GD_ADD: + add_insn = is_tls_iele ? insn_tls_ie_add_X0X1 + : insn_tls_gd_add_X0X1; + mask = insn_mask_X1_no_dest_no_srca; + break; + case R_TILEPRO_IMM8_Y0_TLS_GD_ADD: + add_insn = is_tls_iele ? insn_tls_ie_add_Y0Y1 + : insn_tls_gd_add_Y0Y1; + mask = insn_mask_Y0_no_dest_no_srca; + break; + case R_TILEPRO_IMM8_Y1_TLS_GD_ADD: + add_insn = is_tls_iele ? insn_tls_ie_add_Y0Y1 + : insn_tls_gd_add_Y0Y1; + mask = insn_mask_Y1_no_dest_no_srca; + break; + } + + tilepro_replace_insn (contents + rel->r_offset, mask, add_insn); + + continue; + } + break; + case R_TILEPRO_TLS_IE_LOAD: + if (!info->shared && (h == NULL || h->dynindx == -1)) + /* IE -> LE */ + tilepro_replace_insn (contents + rel->r_offset, + insn_mask_X1_no_dest_no_srca, + insn_tls_le_move_X1); + else + /* IE -> IE */ + tilepro_replace_insn (contents + rel->r_offset, + insn_mask_X1_no_dest_no_srca, + insn_tls_ie_lw_X1); + continue; + break; + default: + break; + } + switch (r_type) { case R_TILEPRO_IMM16_X0_GOT: @@ -2908,6 +3307,45 @@ tilepro_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, } break; + case R_TILEPRO_IMM16_X0_TLS_LE: + case R_TILEPRO_IMM16_X1_TLS_LE: + case R_TILEPRO_IMM16_X0_TLS_LE_LO: + case R_TILEPRO_IMM16_X1_TLS_LE_LO: + case R_TILEPRO_IMM16_X0_TLS_LE_HI: + case R_TILEPRO_IMM16_X1_TLS_LE_HI: + case R_TILEPRO_IMM16_X0_TLS_LE_HA: + case R_TILEPRO_IMM16_X1_TLS_LE_HA: + if (info->shared) + { + Elf_Internal_Rela outrel; + bfd_boolean skip; + + BFD_ASSERT (sreloc != NULL); + skip = FALSE; + outrel.r_offset = + _bfd_elf_section_offset (output_bfd, info, input_section, + rel->r_offset); + if (outrel.r_offset == (bfd_vma) -1) + skip = TRUE; + else if (outrel.r_offset == (bfd_vma) -2) + skip = TRUE; + outrel.r_offset += (input_section->output_section->vma + + input_section->output_offset); + if (skip) + memset (&outrel, 0, sizeof outrel); + else + { + outrel.r_info = ELF32_R_INFO (0, r_type); + outrel.r_addend = relocation - dtpoff_base (info) + + rel->r_addend; + } + + tilepro_elf_append_rela_32 (output_bfd, sreloc, &outrel); + continue; + } + relocation = tpoff (info, relocation); + break; + case R_TILEPRO_IMM16_X0_TLS_GD: case R_TILEPRO_IMM16_X1_TLS_GD: case R_TILEPRO_IMM16_X0_TLS_GD_LO: @@ -2916,9 +3354,6 @@ tilepro_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, case R_TILEPRO_IMM16_X1_TLS_GD_HI: case R_TILEPRO_IMM16_X0_TLS_GD_HA: case R_TILEPRO_IMM16_X1_TLS_GD_HA: - tls_type = GOT_TLS_GD; - goto have_tls_reference; - case R_TILEPRO_IMM16_X0_TLS_IE: case R_TILEPRO_IMM16_X1_TLS_IE: case R_TILEPRO_IMM16_X0_TLS_IE_LO: @@ -2927,45 +3362,32 @@ tilepro_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, case R_TILEPRO_IMM16_X1_TLS_IE_HI: case R_TILEPRO_IMM16_X0_TLS_IE_HA: case R_TILEPRO_IMM16_X1_TLS_IE_HA: - tls_type = GOT_TLS_IE; - /* Fall through. */ - - have_tls_reference: + r_type = tilepro_elf_tls_transition (info, r_type, h == NULL); + tls_type = GOT_UNKNOWN; if (h == NULL && local_got_offsets) tls_type = _bfd_tilepro_elf_local_got_tls_type (input_bfd) [r_symndx]; else if (h != NULL) { tls_type = tilepro_elf_hash_entry(h)->tls_type; + if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE) + r_type = tilepro_tls_translate_to_le (r_type); } if (tls_type == GOT_TLS_IE) - switch (r_type) - { - case R_TILEPRO_IMM16_X0_TLS_GD: - r_type = R_TILEPRO_IMM16_X0_TLS_IE; - break; - case R_TILEPRO_IMM16_X1_TLS_GD: - r_type = R_TILEPRO_IMM16_X1_TLS_IE; - break; - case R_TILEPRO_IMM16_X0_TLS_GD_LO: - r_type = R_TILEPRO_IMM16_X0_TLS_IE_LO; - break; - case R_TILEPRO_IMM16_X1_TLS_GD_LO: - r_type = R_TILEPRO_IMM16_X1_TLS_IE_LO; - break; - case R_TILEPRO_IMM16_X0_TLS_GD_HI: - r_type = R_TILEPRO_IMM16_X0_TLS_IE_HI; - break; - case R_TILEPRO_IMM16_X1_TLS_GD_HI: - r_type = R_TILEPRO_IMM16_X1_TLS_IE_HI; - break; - case R_TILEPRO_IMM16_X0_TLS_GD_HA: - r_type = R_TILEPRO_IMM16_X0_TLS_IE_HA; - break; - case R_TILEPRO_IMM16_X1_TLS_GD_HA: - r_type = R_TILEPRO_IMM16_X1_TLS_IE_HA; - break; - } + r_type = tilepro_tls_translate_to_ie (r_type); + + if (r_type == R_TILEPRO_IMM16_X0_TLS_LE + || r_type == R_TILEPRO_IMM16_X1_TLS_LE + || r_type == R_TILEPRO_IMM16_X0_TLS_LE_LO + || r_type == R_TILEPRO_IMM16_X1_TLS_LE_LO + || r_type == R_TILEPRO_IMM16_X0_TLS_LE_HI + || r_type == R_TILEPRO_IMM16_X1_TLS_LE_HI + || r_type == R_TILEPRO_IMM16_X0_TLS_LE_HA + || r_type == R_TILEPRO_IMM16_X1_TLS_LE_HA) + { + relocation = tpoff (info, relocation); + break; + } if (h != NULL) { -- cgit v1.2.1