aboutsummaryrefslogtreecommitdiff
path: root/bfd/elfxx-tilegx.c
diff options
context:
space:
mode:
authorNick Clifton <nickc@redhat.com>2011-06-13 15:18:54 +0000
committerNick Clifton <nickc@redhat.com>2011-06-13 15:18:54 +0000
commitaa137e4d51ba6638b2714f8b3856d8abfd0bf143 (patch)
treecadadb81304aeee046e706c4f71e968bba7c8fb8 /bfd/elfxx-tilegx.c
parentaf199b06016f0acab1e98de12c017f51b5d3780a (diff)
downloadgdb-aa137e4d51ba6638b2714f8b3856d8abfd0bf143.zip
gdb-aa137e4d51ba6638b2714f8b3856d8abfd0bf143.tar.gz
gdb-aa137e4d51ba6638b2714f8b3856d8abfd0bf143.tar.bz2
* Makefile.am (ALL_MACHINES): Add cpu-tilegx.lo and cpu-tilepro.lo.
(ALL_MACHINE_CFILES): Add cpu-tilegx.c and cpu-tilepro.c. (BFD32_BACKENDS): Add elf32-tilegx.lo, elf32-tilepro.lo, and elfxx-tilegx.lo. (BFD32_BACKENDS_CFILES): Add elf32-tilegx.c elf32-tilepro.c, and elfxx-tilegx.c. (BFD64_BACKENDS): Add elf64-tilegx.lo. (BFD64_BACKENDS_CFILES): Add elf64-tilegx.c. * Makefile.in: Regenerate. * arctures.c (bfd_architecture): Define bfd_arch_tilepro, bfd_arch_tilegx, bfd_mach_tilepro, bfd_mach_tilegx. (bfd_arch_info): Add bfd_tilegx_arch, bfd_tilepro_arch. (bfd_archures_list): Add bfd_tilegx_arch, bfd_tilepro_arch. bfd-in2.h: Regenerate. * config.bfd: Handle tilegx-*-* and tilepro-*-*. * configure.in: Handle bfd_elf32_tilegx_vec, bfd_elf32_tilepro_vec, and bfd_elf64_tilegx_vec. * configure: Regenerate. * elf-bfd.h (enum elf_target_id): Define TILEGX_ELF_DATA and TILEPRO_ELF_DATA. * libbfd.h: Regenerate. * reloc.c: Add BFD_RELOC_TILEPRO_{COPY, GLOB_DAT, JMP_SLOT, RELATIVE, BROFF_X1, JOFFLONG_X1, JOFFLONG_X1_PLT, IMM8_X0, IMM8_Y0, IMM8_X1, IMM8_Y1, DEST_IMM8_X1, MT_IMM15_X1, MF_IMM15_X1, IMM16_X0, IMM16_X1, IMM16_X0_LO, IMM16_X1_LO, IMM16_X0_HI, IMM16_X1_HI, IMM16_X0_HA, IMM16_X1_HA, IMM16_X0_PCREL, IMM16_X1_PCREL, IMM16_X0_LO_PCREL, IMM16_X1_LO_PCREL, IMM16_X0_HI_PCREL, IMM16_X1_HI_PCREL, IMM16_X0_HA_PCREL, IMM16_X1_HA_PCREL, IMM16_X0_GOT, IMM16_X1_GOT, IMM16_X0_GOT_LO, IMM16_X1_GOT_LO, IMM16_X0_GOT_HI, IMM16_X1_GOT_HI, IMM16_X0_GOT_HA, IMM16_X1_GOT_HA, MMSTART_X0, MMEND_X0, MMSTART_X1, MMEND_X1, SHAMT_X0, SHAMT_X1, SHAMT_Y0, SHAMT_Y1, IMM16_X0_TLS_GD, IMM16_X1_TLS_GD, IMM16_X0_TLS_GD_LO, IMM16_X1_TLS_GD_LO, IMM16_X0_TLS_GD_HI, IMM16_X1_TLS_GD_HI, IMM16_X0_TLS_GD_HA, IMM16_X1_TLS_GD_HA, IMM16_X0_TLS_IE, IMM16_X1_TLS_IE, IMM16_X0_TLS_IE_LO, IMM16_X1_TLS_IE_LO, IMM16_X0_TLS_IE_HI, IMM16_X1_TLS_IE_HI, IMM16_X0_TLS_IE_HA, IMM16_X1_TLS_IE_HA, TLS_DTPMOD32, TLS_DTPOFF32, TLS_TPOFF32} Add BFD_RELOC_TILEGX_{HW0, HW1, HW2, HW3, HW0_LAST, HW1_LAST, HW2_LAST, COPY, GLOB_DAT, JMP_SLOT, RELATIVE, BROFF_X1, JUMPOFF_X1, JUMPOFF_X1_PLT, IMM8_X0, IMM8_Y0, IMM8_X1, IMM8_Y1, DEST_IMM8_X1, MT_IMM14_X1, MF_IMM14_X1, MMSTART_X0, MMEND_X0, SHAMT_X0, SHAMT_X1, SHAMT_Y0, SHAMT_Y1, IMM16_X0_HW0, IMM16_X1_HW0, IMM16_X0_HW1, IMM16_X1_HW1, IMM16_X0_HW2, IMM16_X1_HW2, IMM16_X0_HW3, IMM16_X1_HW3, IMM16_X0_HW0_LAST, IMM16_X1_HW0_LAST, IMM16_X0_HW1_LAST, IMM16_X1_HW1_LAST, IMM16_X0_HW2_LAST, IMM16_X1_HW2_LAST, IMM16_X0_HW0_PCREL, IMM16_X1_HW0_PCREL, IMM16_X0_HW1_PCREL, IMM16_X1_HW1_PCREL, IMM16_X0_HW2_PCREL, IMM16_X1_HW2_PCREL, IMM16_X0_HW3_PCREL, IMM16_X1_HW3_PCREL, IMM16_X0_HW0_LAST_PCREL, IMM16_X1_HW0_LAST_PCREL, IMM16_X0_HW1_LAST_PCREL, IMM16_X1_HW1_LAST_PCREL, IMM16_X0_HW2_LAST_PCREL, IMM16_X1_HW2_LAST_PCREL, IMM16_X0_HW0_GOT, IMM16_X1_HW0_GOT, IMM16_X0_HW1_GOT, IMM16_X1_HW1_GOT, IMM16_X0_HW2_GOT, IMM16_X1_HW2_GOT, IMM16_X0_HW3_GOT, IMM16_X1_HW3_GOT, IMM16_X0_HW0_LAST_GOT, IMM16_X1_HW0_LAST_GOT, IMM16_X0_HW1_LAST_GOT, IMM16_X1_HW1_LAST_GOT, IMM16_X0_HW2_LAST_GOT, IMM16_X1_HW2_LAST_GOT, IMM16_X0_HW0_TLS_GD, IMM16_X1_HW0_TLS_GD, IMM16_X0_HW1_TLS_GD, IMM16_X1_HW1_TLS_GD, IMM16_X0_HW2_TLS_GD, IMM16_X1_HW2_TLS_GD, IMM16_X0_HW3_TLS_GD, IMM16_X1_HW3_TLS_GD, IMM16_X0_HW0_LAST_TLS_GD, IMM16_X1_HW0_LAST_TLS_GD, IMM16_X0_HW1_LAST_TLS_GD, IMM16_X1_HW1_LAST_TLS_GD, IMM16_X0_HW2_LAST_TLS_GD, IMM16_X1_HW2_LAST_TLS_GD, IMM16_X0_HW0_TLS_IE, IMM16_X1_HW0_TLS_IE, IMM16_X0_HW1_TLS_IE, IMM16_X1_HW1_TLS_IE, IMM16_X0_HW2_TLS_IE, IMM16_X1_HW2_TLS_IE, IMM16_X0_HW3_TLS_IE, IMM16_X1_HW3_TLS_IE, IMM16_X0_HW0_LAST_TLS_IE, IMM16_X1_HW0_LAST_TLS_IE, IMM16_X0_HW1_LAST_TLS_IE, IMM16_X1_HW1_LAST_TLS_IE, IMM16_X0_HW2_LAST_TLS_IE, IMM16_X1_HW2_LAST_TLS_IE, TLS_DTPMOD64, TLS_DTPOFF64, TLS_TPOFF64, TLS_DTPMOD32, TLS_DTPOFF32, TLS_TPOFF32} * targets.c (bfd_elf32_tilegx_vec): Declare. (bfd_elf32_tilepro_vec): Declare. (bfd_elf64_tilegx_vec): Declare. (bfd_target_vector): Add bfd_elf32_tilegx_vec, bfd_elf32_tilepro_vec, and bfd_elf64_tilegx_vec. * cpu-tilegx.c: New file. * cpu-tilepro.c: New file. * elf32-tilepro.h: New file. * elf32-tilepro.c: New file. * elf32-tilegx.c: New file. * elf32-tilegx.h: New file. * elf64-tilegx.c: New file. * elf64-tilegx.h: New file. * elfxx-tilegx.c: New file. * elfxx-tilegx.h: New file. * Makefile.am (TARGET_CPU_CFILES): Add config/tc-tilegx.c and config/tc-tilepro.c. (TARGET_CPU_HFILES): Add config/tc-tilegx.h and config/tc-tilepro.h. * Makefile.in: Regenerate. * configure.tgt (tilepro-*-*): New. (tilegx-*-*): Likewise. * config/tc-tilegx.c: New file. * config/tc-tilegx.h: Likewise. * config/tc-tilepro.h: Likewise. * config/tc-tilepro.c: Likewise. * doc/Makefile.am (CPU_DOCS): Add c-tilegx.texi and c-tilepro.texi. * doc/Makefile.in: Regenerate. * doc/all.texi (TILEGX): Define. (TILEPRO): Define. * doc/as.texinfo: Add Tile-Gx and TILEPro documentation. Include c-tilegx.texi and c-tilepro.texi. * doc/c-tilegx.texi: New. * doc/c-tilepro.texi: New. * gas/tilepro/t_constants.s: New file. * gas/tilepro/t_constants.d: Likewise. * gas/tilepro/t_insns.s: Likewise. * gas/tilepro/tilepro.exp: Likewise. * gas/tilepro/t_insns.d: Likewise. * gas/tilegx/tilegx.exp: Likewise. * gas/tilegx/t_insns.d: Likewise. * gas/tilegx/t_insns.s: Likewise. * dis-asm.h (print_insn_tilegx): Declare. (print_insn_tilepro): Likewise. * tilegx.h: New file. * tilepro.h: New file. * common.h: Add EM_TILEGX. * tilegx.h: New file. * tilepro.h: New file. * Makefile.am (ALL_EMULATION_SOURCES): Add eelf32tilegx.c and eelf32tilepro.c. (ALL_64_EMULATION_SOURCES): Add eelf64tilegx.c. (eelf32tilegx.c): New target. (eelf32tilepro.c): Likewise. (eelf64tilegx.c): Likewise. * Makefile.in: Regenerate. * configure.tgt: Handle tilegx-*-* and tilepro-*-*. * emulparams/elf32tilegx.sh: New file. * emulparams/elf64tilegx.sh: New file. * emulparams/elf32tilepro.sh: New file. * ld-elf/eh5.d: Don't run on tile*. * ld-srec/srec.exp: xfail on tile*. * ld-tilegx/external.s: New file. * ld-tilegx/reloc.d: New file. * ld-tilegx/reloc.s: New file. * ld-tilegx/tilegx.exp: New file. * ld-tilepro/external.s: New file. * ld-tilepro/reloc.d: New file. * ld-tilepro/reloc.s: New file. * ld-tilepro/tilepro.exp: New file. * Makefile.am (TARGET_LIBOPCODES_CFILES): Add tilegx-dis.c, tilegx-opc.c, tilepro-dis.c, and tilepro-opc.c. * Makefile.in: Regenerate. * configure.in: Handle bfd_tilegx_arch and bfd_tilepro_arch. * configure: Regenerate. * disassemble.c (disassembler): Add ARCH_tilegx and ARCH_tilepro. * po/POTFILES.in: Regenerate. * tilegx-dis.c: New file. * tilegx-opc.c: New file. * tilepro-dis.c: New file. * tilepro-opc.c: New file.
Diffstat (limited to 'bfd/elfxx-tilegx.c')
-rw-r--r--bfd/elfxx-tilegx.c3971
1 files changed, 3971 insertions, 0 deletions
diff --git a/bfd/elfxx-tilegx.c b/bfd/elfxx-tilegx.c
new file mode 100644
index 0000000..a712d3a
--- /dev/null
+++ b/bfd/elfxx-tilegx.c
@@ -0,0 +1,3971 @@
+/* TILE-Gx-specific support for ELF.
+ Copyright 2011 Free Software Foundation, Inc.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "elf-bfd.h"
+#include "elf/tilegx.h"
+#include "opcode/tilegx.h"
+#include "libiberty.h"
+#include "elfxx-tilegx.h"
+
+#define ABI_64_P(abfd) \
+ (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
+
+#define TILEGX_ELF_WORD_BYTES(htab) \
+ ((htab)->bytes_per_word)
+
+/* The size of an external RELA relocation. */
+#define TILEGX_ELF_RELA_BYTES(htab) \
+ ((htab)->bytes_per_rela)
+
+/* Both 32-bit and 64-bit tilegx encode this in an identical manner,
+ so just take advantage of that. */
+#define TILEGX_ELF_R_TYPE(r_info) \
+ ((r_info) & 0xFF)
+
+#define TILEGX_ELF_R_INFO(htab, in_rel, index, type) \
+ ((htab)->r_info (in_rel, index, type))
+
+#define TILEGX_ELF_R_SYMNDX(htab, r_info) \
+ ((htab)->r_symndx(r_info))
+
+#define TILEGX_ELF_DTPOFF_RELOC(htab) \
+ ((htab)->dtpoff_reloc)
+
+#define TILEGX_ELF_DTPMOD_RELOC(htab) \
+ ((htab)->dtpmod_reloc)
+
+#define TILEGX_ELF_TPOFF_RELOC(htab) \
+ ((htab)->tpoff_reloc)
+
+#define TILEGX_ELF_PUT_WORD(htab, bfd, val, ptr) \
+ ((htab)->put_word (bfd, val, ptr))
+
+/* The name of the dynamic interpreter. This is put in the .interp
+ section. */
+
+#define ELF64_DYNAMIC_INTERPRETER "/lib/ld.so.1"
+#define ELF32_DYNAMIC_INTERPRETER "/lib32/ld.so.1"
+
+
+static reloc_howto_type tilegx_elf_howto_table [] =
+{
+ /* This reloc does nothing. */
+ HOWTO (R_TILEGX_NONE, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_NONE", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+#ifdef BFD64
+ /* A 64 bit absolute relocation. */
+ HOWTO (R_TILEGX_64, /* 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_elf_generic_reloc, /* special_function */
+ "R_TILEGX_64", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffffffffffffULL, /* dst_mask */
+ FALSE), /* pcrel_offset */
+#endif
+ /* A 32 bit absolute relocation. */
+ HOWTO (R_TILEGX_32, /* 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_elf_generic_reloc, /* special_function */
+ "R_TILEGX_32", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 16 bit absolute relocation. */
+ HOWTO (R_TILEGX_16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* An 8 bit absolute relocation. */
+ HOWTO (R_TILEGX_8, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 8, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_unsigned, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_8", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+#ifdef BFD64
+ /* A 64 bit pc-relative relocation. */
+ HOWTO (R_TILEGX_64_PCREL,/* type */
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_32_PCREL", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffffffffffffULL, /* dst_mask */
+ TRUE), /* pcrel_offset */
+#endif
+ /* A 32 bit pc-relative relocation. */
+ HOWTO (R_TILEGX_32_PCREL,/* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_32_PCREL", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* A 16 bit pc-relative relocation. */
+ HOWTO (R_TILEGX_16_PCREL,/* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_16_PCREL", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* An 8 bit pc-relative relocation. */
+ HOWTO (R_TILEGX_8_PCREL, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 8, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_8_PCREL",/* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* A 16 bit relocation without overflow. */
+ HOWTO (R_TILEGX_HW0, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_HW0", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 16 bit relocation without overflow. */
+ HOWTO (R_TILEGX_HW1, /* type */
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_HW1", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 16 bit relocation without overflow. */
+ HOWTO (R_TILEGX_HW2, /* type */
+ 32, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_HW2", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 16 bit relocation without overflow. */
+ HOWTO (R_TILEGX_HW3, /* type */
+ 48, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_HW3", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 16 bit relocation with overflow. */
+ HOWTO (R_TILEGX_HW0_LAST, /* 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_TILEGX_HW0_LAST", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 16 bit relocation with overflow. */
+ HOWTO (R_TILEGX_HW1_LAST, /* type */
+ 16, /* 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_TILEGX_HW1_LAST", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 16 bit relocation with overflow. */
+ HOWTO (R_TILEGX_HW2_LAST, /* type */
+ 32, /* 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_TILEGX_HW2_LAST", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_TILEGX_COPY, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_COPY", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_TILEGX_GLOB_DAT, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_GLOB_DAT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_TILEGX_JMP_SLOT, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_JMP_SLOT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_TILEGX_RELATIVE, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_RELATIVE", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_TILEGX_BROFF_X1, /* type */
+ TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 17, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_BROFF_X1", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ -1, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_TILEGX_JUMPOFF_X1, /* type */
+ TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 27, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_JUMPOFF_X1", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ -1, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_TILEGX_JUMPOFF_X1_PLT, /* type */
+ TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 27, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_JUMPOFF_X1_PLT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ -1, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+#define TILEGX_IMM_HOWTO(name, size, bitsize) \
+ HOWTO (name, 0, size, bitsize, FALSE, 0, \
+ complain_overflow_signed, bfd_elf_generic_reloc, \
+ #name, FALSE, 0, -1, FALSE)
+
+#define TILEGX_UIMM_HOWTO(name, size, bitsize) \
+ HOWTO (name, 0, size, bitsize, FALSE, 0, \
+ complain_overflow_unsigned, bfd_elf_generic_reloc, \
+ #name, FALSE, 0, -1, FALSE)
+
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_DEST_IMM8_X1, 0, 8),
+
+ TILEGX_UIMM_HOWTO(R_TILEGX_MT_IMM14_X1, 1, 14),
+ TILEGX_UIMM_HOWTO(R_TILEGX_MF_IMM14_X1, 1, 14),
+
+ TILEGX_UIMM_HOWTO(R_TILEGX_MMSTART_X0, 0, 6),
+ TILEGX_UIMM_HOWTO(R_TILEGX_MMEND_X0, 0, 6),
+
+ TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_X0, 0, 6),
+ TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_X1, 0, 6),
+ TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_Y0, 0, 6),
+ TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_Y1, 0, 6),
+
+#define TILEGX_IMM16_HOWTO(name, rshift) \
+ HOWTO (name, rshift, 1, 16, FALSE, 0, \
+ complain_overflow_dont, bfd_elf_generic_reloc, \
+ #name, FALSE, 0, 0xffff, FALSE)
+
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0, 0),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0, 0),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW1, 16),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW1, 16),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW2, 32),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW2, 32),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW3, 48),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW3, 48),
+
+#define TILEGX_IMM16_HOWTO_LAST(name, rshift) \
+ HOWTO (name, rshift, 1, 16, FALSE, 0, \
+ complain_overflow_signed, bfd_elf_generic_reloc, \
+ #name, FALSE, 0, 0xffff, FALSE)
+
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST, 0),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST, 0),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST, 16),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST, 16),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW2_LAST, 32),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW2_LAST, 32),
+
+ /* PC-relative offsets. */
+
+#define TILEGX_IMM16_HOWTO_PCREL(name, rshift) \
+ HOWTO (name, rshift, 1, 16, TRUE, 0, \
+ complain_overflow_dont, bfd_elf_generic_reloc, \
+ #name, FALSE, 0, 0xffff, TRUE)
+
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW0_PCREL, 0),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW0_PCREL, 0),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW1_PCREL, 16),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW1_PCREL, 16),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW2_PCREL, 32),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW2_PCREL, 32),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW3_PCREL, 48),
+ TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW3_PCREL, 48),
+
+#define TILEGX_IMM16_HOWTO_LAST_PCREL(name, rshift) \
+ HOWTO (name, rshift, 1, 16, TRUE, 0, \
+ complain_overflow_signed, bfd_elf_generic_reloc, \
+ #name, FALSE, 0, 0xffff, TRUE)
+
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW0_LAST_PCREL, 0),
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW0_LAST_PCREL, 0),
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW1_LAST_PCREL, 16),
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW1_LAST_PCREL, 16),
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW2_LAST_PCREL, 32),
+ TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW2_LAST_PCREL, 32),
+
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_GOT, 0),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_GOT, 0),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW1_GOT, 16),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW1_GOT, 16),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW2_GOT, 32),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW2_GOT, 32),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW3_GOT, 48),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW3_GOT, 48),
+
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_GOT, 0),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_GOT, 0),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_GOT, 16),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_GOT, 16),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW2_LAST_GOT, 32),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW2_LAST_GOT, 32),
+
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_TLS_GD, 0),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_TLS_GD, 0),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW1_TLS_GD, 16),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW1_TLS_GD, 16),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW2_TLS_GD, 32),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW2_TLS_GD, 32),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW3_TLS_GD, 48),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW3_TLS_GD, 48),
+
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD, 0),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD, 0),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD, 16),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD, 16),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD, 32),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD, 32),
+
+#define TILEGX_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)
+
+ TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW0_TLS_IE, 0),
+ TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW0_TLS_IE, 0),
+ TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW1_TLS_IE, 16),
+ TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW1_TLS_IE, 16),
+ TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW2_TLS_IE, 32),
+ TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW2_TLS_IE, 32),
+ TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW3_TLS_IE, 48),
+ TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW3_TLS_IE, 48),
+
+#define TILEGX_IMM16_HOWTO_LAST_TLS_IE(name, rshift) \
+ HOWTO (name, rshift, 1, 16, FALSE, 0, \
+ complain_overflow_signed, bfd_elf_generic_reloc, \
+ #name, FALSE, 0, 0xffff, TRUE)
+
+ TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE, 0),
+ TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE, 0),
+ TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE, 16),
+ TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE, 16),
+ TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE, 32),
+ TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE, 32),
+
+ HOWTO(R_TILEGX_TLS_DTPMOD64, 0, 0, 0, FALSE, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPMOD64",
+ FALSE, 0, 0, TRUE),
+ HOWTO(R_TILEGX_TLS_DTPOFF64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPOFF64",
+ FALSE, 0, -1, TRUE),
+ HOWTO(R_TILEGX_TLS_TPOFF64, 0, 0, 0, FALSE, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "R_TILEGX_TLS_TPOFF64",
+ FALSE, 0, 0, TRUE),
+
+ HOWTO(R_TILEGX_TLS_DTPMOD32, 0, 0, 0, FALSE, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPMOD32",
+ FALSE, 0, 0, TRUE),
+ HOWTO(R_TILEGX_TLS_DTPOFF32, 0, 4, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPOFF32",
+ FALSE, 0, -1, TRUE),
+ HOWTO(R_TILEGX_TLS_TPOFF32, 0, 0, 0, FALSE, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "R_TILEGX_TLS_TPOFF32",
+ FALSE, 0, 0, TRUE)
+};
+
+static reloc_howto_type tilegx_elf_howto_table2 [] =
+{
+ /* GNU extension to record C++ vtable hierarchy */
+ HOWTO (R_TILEGX_GNU_VTINHERIT, /* type */
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ NULL, /* special_function */
+ "R_TILEGX_GNU_VTINHERIT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable member usage */
+ HOWTO (R_TILEGX_GNU_VTENTRY, /* type */
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_elf_rel_vtable_reloc_fn, /* special_function */
+ "R_TILEGX_GNU_VTENTRY", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+};
+
+/* Map BFD reloc types to TILEGX ELF reloc types. */
+
+typedef struct tilegx_reloc_map
+{
+ bfd_reloc_code_real_type bfd_reloc_val;
+ unsigned int tilegx_reloc_val;
+ reloc_howto_type * table;
+} reloc_map;
+
+static const reloc_map tilegx_reloc_map [] =
+{
+#define TH_REMAP(bfd, tilegx) \
+ { bfd, tilegx, tilegx_elf_howto_table },
+
+ /* Standard relocations. */
+ TH_REMAP (BFD_RELOC_NONE, R_TILEGX_NONE)
+ TH_REMAP (BFD_RELOC_64, R_TILEGX_64)
+ TH_REMAP (BFD_RELOC_32, R_TILEGX_32)
+ TH_REMAP (BFD_RELOC_16, R_TILEGX_16)
+ TH_REMAP (BFD_RELOC_8, R_TILEGX_8)
+ TH_REMAP (BFD_RELOC_64_PCREL, R_TILEGX_64_PCREL)
+ TH_REMAP (BFD_RELOC_32_PCREL, R_TILEGX_32_PCREL)
+ TH_REMAP (BFD_RELOC_16_PCREL, R_TILEGX_16_PCREL)
+ TH_REMAP (BFD_RELOC_8_PCREL, R_TILEGX_8_PCREL)
+
+#define SIMPLE_REMAP(t) TH_REMAP (BFD_RELOC_##t, R_##t)
+
+ /* Custom relocations. */
+ SIMPLE_REMAP (TILEGX_HW0)
+ SIMPLE_REMAP (TILEGX_HW1)
+ SIMPLE_REMAP (TILEGX_HW2)
+ SIMPLE_REMAP (TILEGX_HW3)
+ SIMPLE_REMAP (TILEGX_HW0_LAST)
+ SIMPLE_REMAP (TILEGX_HW1_LAST)
+ SIMPLE_REMAP (TILEGX_HW2_LAST)
+ SIMPLE_REMAP (TILEGX_COPY)
+ SIMPLE_REMAP (TILEGX_GLOB_DAT)
+ SIMPLE_REMAP (TILEGX_JMP_SLOT)
+ SIMPLE_REMAP (TILEGX_RELATIVE)
+ SIMPLE_REMAP (TILEGX_BROFF_X1)
+ SIMPLE_REMAP (TILEGX_JUMPOFF_X1)
+ SIMPLE_REMAP (TILEGX_JUMPOFF_X1_PLT)
+ SIMPLE_REMAP (TILEGX_IMM8_X0)
+ SIMPLE_REMAP (TILEGX_IMM8_Y0)
+ SIMPLE_REMAP (TILEGX_IMM8_X1)
+ SIMPLE_REMAP (TILEGX_IMM8_Y1)
+ SIMPLE_REMAP (TILEGX_DEST_IMM8_X1)
+ SIMPLE_REMAP (TILEGX_MT_IMM14_X1)
+ SIMPLE_REMAP (TILEGX_MF_IMM14_X1)
+ SIMPLE_REMAP (TILEGX_MMSTART_X0)
+ SIMPLE_REMAP (TILEGX_MMEND_X0)
+ SIMPLE_REMAP (TILEGX_SHAMT_X0)
+ SIMPLE_REMAP (TILEGX_SHAMT_X1)
+ SIMPLE_REMAP (TILEGX_SHAMT_Y0)
+ SIMPLE_REMAP (TILEGX_SHAMT_Y1)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW3)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW3)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_PCREL)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_GOT)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_TLS_IE)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_TLS_IE)
+
+ SIMPLE_REMAP (TILEGX_TLS_DTPMOD64)
+ SIMPLE_REMAP (TILEGX_TLS_DTPOFF64)
+ SIMPLE_REMAP (TILEGX_TLS_TPOFF64)
+
+ SIMPLE_REMAP (TILEGX_TLS_DTPMOD32)
+ SIMPLE_REMAP (TILEGX_TLS_DTPOFF32)
+ SIMPLE_REMAP (TILEGX_TLS_TPOFF32)
+
+#undef SIMPLE_REMAP
+#undef TH_REMAP
+
+ { BFD_RELOC_VTABLE_INHERIT, R_TILEGX_GNU_VTINHERIT, tilegx_elf_howto_table2 },
+ { BFD_RELOC_VTABLE_ENTRY, R_TILEGX_GNU_VTENTRY, tilegx_elf_howto_table2 },
+};
+
+
+
+/* The TILE-Gx linker needs to keep track of the number of relocs that it
+ decides to copy as dynamic relocs in check_relocs for each symbol.
+ This is so that it can later discard them if they are found to be
+ unnecessary. We store the information in a field extending the
+ regular ELF linker hash table. */
+
+struct tilegx_elf_dyn_relocs
+{
+ struct tilegx_elf_dyn_relocs *next;
+
+ /* The input section of the reloc. */
+ asection *sec;
+
+ /* Total number of relocs copied for the input section. */
+ bfd_size_type count;
+
+ /* Number of pc-relative relocs copied for the input section. */
+ bfd_size_type pc_count;
+};
+
+/* TILEGX ELF linker hash entry. */
+
+struct tilegx_elf_link_hash_entry
+{
+ struct elf_link_hash_entry elf;
+
+ /* Track dynamic relocs copied for this symbol. */
+ struct tilegx_elf_dyn_relocs *dyn_relocs;
+
+#define GOT_UNKNOWN 0
+#define GOT_NORMAL 1
+#define GOT_TLS_GD 2
+#define GOT_TLS_IE 4
+ unsigned char tls_type;
+};
+
+#define tilegx_elf_hash_entry(ent) \
+ ((struct tilegx_elf_link_hash_entry *)(ent))
+
+struct _bfd_tilegx_elf_obj_tdata
+{
+ struct elf_obj_tdata root;
+
+ /* tls_type for each local got entry. */
+ char *local_got_tls_type;
+};
+
+#define _bfd_tilegx_elf_tdata(abfd) \
+ ((struct _bfd_tilegx_elf_obj_tdata *) (abfd)->tdata.any)
+
+#define _bfd_tilegx_elf_local_got_tls_type(abfd) \
+ (_bfd_tilegx_elf_tdata (abfd)->local_got_tls_type)
+
+#define is_tilegx_elf(bfd) \
+ (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
+ && elf_tdata (bfd) != NULL \
+ && elf_object_id (bfd) == TILEGX_ELF_DATA)
+
+#include "elf/common.h"
+#include "elf/internal.h"
+
+struct tilegx_elf_link_hash_table
+{
+ struct elf_link_hash_table elf;
+
+ int bytes_per_word;
+ int word_align_power;
+ int bytes_per_rela;
+ int dtpmod_reloc;
+ int dtpoff_reloc;
+ int tpoff_reloc;
+ bfd_vma (*r_info) (Elf_Internal_Rela *, bfd_vma, bfd_vma);
+ bfd_vma (*r_symndx) (bfd_vma);
+ void (*put_word) (bfd *, bfd_vma, void *);
+ const char *dynamic_interpreter;
+
+ /* Short-cuts to get to dynamic linker sections. */
+ asection *sdynbss;
+ asection *srelbss;
+
+ /* Small local sym to section mapping cache. */
+ struct sym_cache sym_cache;
+};
+
+
+/* Get the Tile ELF linker hash table from a link_info structure. */
+#define tilegx_elf_hash_table(p) \
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == TILEGX_ELF_DATA ? ((struct tilegx_elf_link_hash_table *) ((p)->hash)) : NULL)
+
+#ifdef BFD64
+static bfd_vma
+tilegx_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
+ bfd_vma rel_index,
+ bfd_vma type)
+{
+ return ELF64_R_INFO (rel_index, type);
+}
+
+static bfd_vma
+tilegx_elf_r_symndx_64 (bfd_vma r_info)
+{
+ return ELF64_R_SYM (r_info);
+}
+
+static void
+tilegx_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
+{
+ bfd_put_64 (abfd, val, ptr);
+}
+#endif /* BFD64 */
+
+static bfd_vma
+tilegx_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
+ bfd_vma rel_index,
+ bfd_vma type)
+{
+ return ELF32_R_INFO (rel_index, type);
+}
+
+static bfd_vma
+tilegx_elf_r_symndx_32 (bfd_vma r_info)
+{
+ return ELF32_R_SYM (r_info);
+}
+
+static void
+tilegx_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
+{
+ bfd_put_32 (abfd, val, ptr);
+}
+
+reloc_howto_type *
+tilegx_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
+{
+ unsigned int i;
+
+ for (i = ARRAY_SIZE (tilegx_reloc_map); --i;)
+ {
+ const reloc_map * entry;
+
+ entry = tilegx_reloc_map + i;
+
+ if (entry->bfd_reloc_val == code)
+ return entry->table + (entry->tilegx_reloc_val
+ - entry->table[0].type);
+ }
+
+ return NULL;
+}
+
+reloc_howto_type *
+tilegx_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < (sizeof (tilegx_elf_howto_table)
+ / sizeof (tilegx_elf_howto_table[0]));
+ i++)
+ if (tilegx_elf_howto_table[i].name != NULL
+ && strcasecmp (tilegx_elf_howto_table[i].name, r_name) == 0)
+ return &tilegx_elf_howto_table[i];
+
+ return NULL;
+}
+
+void
+tilegx_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
+{
+ unsigned int r_type = TILEGX_ELF_R_TYPE (dst->r_info);
+
+ if (r_type <= (unsigned int) R_TILEGX_TLS_TPOFF32)
+ cache_ptr->howto = &tilegx_elf_howto_table [r_type];
+ else if (r_type - R_TILEGX_GNU_VTINHERIT
+ <= (unsigned int) R_TILEGX_GNU_VTENTRY)
+ cache_ptr->howto
+ = &tilegx_elf_howto_table2 [r_type - R_TILEGX_GNU_VTINHERIT];
+ else
+ abort ();
+}
+
+typedef tilegx_bundle_bits (*tilegx_create_func)(int);
+
+static const tilegx_create_func reloc_to_create_func[] =
+{
+ /* The first twenty relocation types don't correspond to operands */
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+
+ /* The remaining relocations are used for immediate operands */
+ create_BrOff_X1,
+ create_JumpOff_X1,
+ create_JumpOff_X1,
+ create_Imm8_X0,
+ create_Imm8_Y0,
+ create_Imm8_X1,
+ create_Imm8_Y1,
+ create_Dest_Imm8_X1,
+ create_MT_Imm14_X1,
+ create_MF_Imm14_X1,
+ create_BFStart_X0,
+ create_BFEnd_X0,
+ create_ShAmt_X0,
+ create_ShAmt_X1,
+ create_ShAmt_Y0,
+ create_ShAmt_Y1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1,
+ create_Imm16_X0,
+ create_Imm16_X1
+};
+
+static void
+tilegx_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
+{
+ const struct elf_backend_data *bed;
+ bfd_byte *loc;
+
+ bed = get_elf_backend_data (abfd);
+ loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
+ bed->s->swap_reloca_out (abfd, rel, loc);
+}
+
+/* PLT/GOT stuff */
+
+/* The procedure linkage table starts with the following header:
+
+ ld_add r28, r27, 8
+ ld r27, r27
+ {
+ jr r27
+ info 10 ## SP not offset, return PC in LR
+ }
+
+ Subsequent entries are the following, jumping to the header at the end:
+
+ {
+ moveli r28, <_GLOBAL_OFFSET_TABLE_ - 1f + MY_GOT_OFFSET>
+ lnk r26
+ }
+1:
+ {
+ moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
+ shl16insli r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
+ }
+ {
+ add r28, r26, r28
+ shl16insli r27, r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
+ }
+ {
+ add r27, r26, r27
+ ld r28, r28
+ info 10 ## SP not offset, return PC in LR
+ }
+ {
+ shl16insli r29, zero, MY_PLT_INDEX
+ jr r28
+ }
+
+ This code sequence lets the code at at the start of the PLT determine
+ which PLT entry was executed by examining 'r29'.
+
+ Note that MY_PLT_INDEX skips over the header entries, so the first
+ actual jump table entry has index zero.
+
+ If the offset fits in 16 bits,
+
+ lnk r26
+1:
+ {
+ addli r28, r26, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
+ moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
+ }
+ {
+ shl16insli r29, zero, MY_PLT_INDEX
+ ld r28, r28
+ }
+ {
+ add r27, r26, r27
+ jr r28
+ }
+ info 10 ## SP not offset, return PC in LR
+
+ For the purpose of backtracing, the procedure linkage table ends with the
+ following tail entry:
+
+ info 10 ## SP not offset, return PC in LR
+
+ The 32-bit versions are similar, with ld4s replacing ld, and offsets into
+ the GOT being multiples of 4 instead of 8.
+
+*/
+
+#define PLT_HEADER_SIZE_IN_BUNDLES 3
+#define PLT_ENTRY_SIZE_IN_BUNDLES 5
+#define PLT_TAIL_SIZE_IN_BUNDLES 1
+
+#define PLT_HEADER_SIZE \
+ (PLT_HEADER_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
+#define PLT_ENTRY_SIZE \
+ (PLT_ENTRY_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
+#define PLT_TAIL_SIZE \
+ (PLT_TAIL_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
+
+#define GOT_ENTRY_SIZE(htab) TILEGX_ELF_WORD_BYTES (htab)
+
+#define GOTPLT_HEADER_SIZE(htab) (2 * GOT_ENTRY_SIZE (htab))
+
+static const bfd_byte
+tilegx64_plt0_entry[PLT_HEADER_SIZE] =
+{
+ 0x00, 0x30, 0x48, 0x51,
+ 0x6e, 0x43, 0xa0, 0x18, /* { ld_add r28, r27, 8 } */
+ 0x00, 0x30, 0xbc, 0x35,
+ 0x00, 0x40, 0xde, 0x9e, /* { ld r27, r27 } */
+ 0xff, 0xaf, 0x30, 0x40,
+ 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
+};
+
+static const bfd_byte
+tilegx64_long_plt_entry[PLT_ENTRY_SIZE] =
+{
+ 0xdc, 0x0f, 0x00, 0x10,
+ 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
+ 0xdb, 0x0f, 0x00, 0x10,
+ 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
+ 0x9c, 0xc6, 0x0d, 0xd0,
+ 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
+ 0x9b, 0xb6, 0xc5, 0xad,
+ 0xff, 0x57, 0xe0, 0x8e, /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
+ 0xdd, 0x0f, 0x00, 0x70,
+ 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
+};
+
+static const bfd_byte
+tilegx64_short_plt_entry[PLT_ENTRY_SIZE] =
+{
+ 0x00, 0x30, 0x48, 0x51,
+ 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
+ 0x9c, 0x06, 0x00, 0x90,
+ 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
+ 0xdd, 0x0f, 0x00, 0x70,
+ 0x8e, 0xeb, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld r28, r28 } */
+ 0x9b, 0xb6, 0x0d, 0x50,
+ 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
+ 0x00, 0x30, 0x48, 0xd1,
+ 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
+};
+
+/* Reuse an existing info 10 bundle. */
+static const bfd_byte const *tilegx64_plt_tail_entry =
+ &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
+
+static const bfd_byte
+tilegx32_plt0_entry[PLT_HEADER_SIZE] =
+{
+ 0x00, 0x30, 0x48, 0x51,
+ 0x6e, 0x23, 0x58, 0x18, /* { ld4s_add r28, r27, 4 } */
+ 0x00, 0x30, 0xbc, 0x35,
+ 0x00, 0x40, 0xde, 0x9c, /* { ld4s r27, r27 } */
+ 0xff, 0xaf, 0x30, 0x40,
+ 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
+};
+
+static const bfd_byte
+tilegx32_long_plt_entry[PLT_ENTRY_SIZE] =
+{
+ 0xdc, 0x0f, 0x00, 0x10,
+ 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
+ 0xdb, 0x0f, 0x00, 0x10,
+ 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
+ 0x9c, 0xc6, 0x0d, 0xd0,
+ 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
+ 0x9b, 0xb6, 0xc5, 0xad,
+ 0xff, 0x57, 0xe0, 0x8c, /* { add r27, r26, r27 ; info 10 ; ld4s r28, r28 } */
+ 0xdd, 0x0f, 0x00, 0x70,
+ 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
+};
+
+static const bfd_byte
+tilegx32_short_plt_entry[PLT_ENTRY_SIZE] =
+{
+ 0x00, 0x30, 0x48, 0x51,
+ 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
+ 0x9c, 0x06, 0x00, 0x90,
+ 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
+ 0xdd, 0x0f, 0x00, 0x70,
+ 0x8e, 0x9b, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld4s r28, r28 } */
+ 0x9b, 0xb6, 0x0d, 0x50,
+ 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
+ 0x00, 0x30, 0x48, 0xd1,
+ 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
+};
+
+/* Reuse an existing info 10 bundle. */
+static const bfd_byte const *tilegx32_plt_tail_entry =
+ &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
+
+static int
+tilegx_plt_entry_build (bfd *output_bfd,
+ struct tilegx_elf_link_hash_table *htab,
+ asection *splt, asection *sgotplt,
+ bfd_vma offset, bfd_vma *r_offset)
+{
+ int plt_index = (offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE;
+ int got_offset = (plt_index * GOT_ENTRY_SIZE (htab)
+ + GOTPLT_HEADER_SIZE (htab));
+ tilegx_bundle_bits *pc;
+
+ /* Compute the distance from the got entry to the lnk. */
+ bfd_signed_vma dist_got_entry = sgotplt->output_section->vma
+ + sgotplt->output_offset
+ + got_offset
+ - splt->output_section->vma
+ - splt->output_offset
+ - offset
+ - TILEGX_BUNDLE_SIZE_IN_BYTES;
+
+ /* Compute the distance to GOTPLT[0]. */
+ bfd_signed_vma dist_got0 = dist_got_entry - got_offset;
+
+ /* Check whether we can use the short plt entry with 16-bit offset. */
+ bfd_boolean short_plt_entry =
+ (dist_got_entry <= 0x7fff && dist_got0 >= -0x8000);
+
+ const tilegx_bundle_bits *plt_entry = (tilegx_bundle_bits *)
+ (ABI_64_P (output_bfd) ?
+ (short_plt_entry ? tilegx64_short_plt_entry : tilegx64_long_plt_entry) :
+ (short_plt_entry ? tilegx32_short_plt_entry : tilegx32_long_plt_entry));
+
+ /* Copy the plt entry template. */
+ memcpy (splt->contents + offset, plt_entry, PLT_ENTRY_SIZE);
+
+ /* Write the immediate offsets. */
+ pc = (tilegx_bundle_bits *)(splt->contents + offset);
+
+ if (short_plt_entry)
+ {
+ /* { lnk r28 } */
+ pc++;
+
+ /* { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; moveli r27, &GOTPLT[0] } */
+ *pc++ |= create_Imm16_X0 (dist_got_entry)
+ | create_Imm16_X1 (dist_got0);
+
+ /* { shl16insli r29, zero, MY_PLT_INDEX ; ld r28, r28 } */
+ *pc++ |= create_Imm16_X0 (plt_index);
+ }
+ else
+ {
+ /* { moveli r28, &GOTPLT[MY_GOT_INDEX] ; lnk r26 } */
+ *pc++ |= create_Imm16_X0 (dist_got_entry >> 16);
+
+ /* { moveli r27, &GOTPLT[0] ;
+ shl16insli r28, r28, &GOTPLT[MY_GOT_INDEX] } */
+ *pc++ |= create_Imm16_X0 (dist_got0 >> 16)
+ | create_Imm16_X1 (dist_got_entry);
+
+ /* { add r28, r26, r28 ; shl16insli r27, r27, &GOTPLT[0] } */
+ *pc++ |= create_Imm16_X1 (dist_got0);
+
+ /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
+ pc++;
+
+ /* { shl16insli r29, zero, MY_GOT_INDEX ; jr r28 } */
+ *pc++ |= create_Imm16_X0 (plt_index);
+ }
+
+ /* Set the relocation offset. */
+ *r_offset = got_offset;
+
+ return plt_index;
+}
+
+/* Create an entry in an TILEGX ELF linker hash table. */
+
+static struct bfd_hash_entry *
+link_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table, const char *string)
+{
+ /* Allocate the structure if it has not already been allocated by a
+ subclass. */
+ if (entry == NULL)
+ {
+ entry =
+ bfd_hash_allocate (table,
+ sizeof (struct tilegx_elf_link_hash_entry));
+ if (entry == NULL)
+ return entry;
+ }
+
+ /* Call the allocation method of the superclass. */
+ entry = _bfd_elf_link_hash_newfunc (entry, table, string);
+ if (entry != NULL)
+ {
+ struct tilegx_elf_link_hash_entry *eh;
+
+ eh = (struct tilegx_elf_link_hash_entry *) entry;
+ eh->dyn_relocs = NULL;
+ eh->tls_type = GOT_UNKNOWN;
+ }
+
+ return entry;
+}
+
+/* Create a TILEGX ELF linker hash table. */
+
+struct bfd_link_hash_table *
+tilegx_elf_link_hash_table_create (bfd *abfd)
+{
+ struct tilegx_elf_link_hash_table *ret;
+ bfd_size_type amt = sizeof (struct tilegx_elf_link_hash_table);
+
+ ret = (struct tilegx_elf_link_hash_table *) bfd_zmalloc (amt);
+ if (ret == NULL)
+ return NULL;
+
+#ifdef BFD64
+ if (ABI_64_P (abfd))
+ {
+ ret->bytes_per_word = 8;
+ ret->word_align_power = 3;
+ ret->bytes_per_rela = sizeof (Elf64_External_Rela);
+ ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF64;
+ ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD64;
+ ret->tpoff_reloc = R_TILEGX_TLS_TPOFF64;
+ ret->r_info = tilegx_elf_r_info_64;
+ ret->r_symndx = tilegx_elf_r_symndx_64;
+ ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
+ ret->put_word = tilegx_put_word_64;
+ }
+ else
+#endif
+ {
+ ret->bytes_per_word = 4;
+ ret->word_align_power = 2;
+ ret->bytes_per_rela = sizeof (Elf32_External_Rela);
+ ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF32;
+ ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD32;
+ ret->tpoff_reloc = R_TILEGX_TLS_TPOFF32;
+ ret->r_info = tilegx_elf_r_info_32;
+ ret->r_symndx = tilegx_elf_r_symndx_32;
+ ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
+ ret->put_word = tilegx_put_word_32;
+ }
+
+ if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
+ sizeof (struct tilegx_elf_link_hash_entry),
+ TILEGX_ELF_DATA))
+ {
+ free (ret);
+ return NULL;
+ }
+
+ return &ret->elf.root;
+}
+
+/* Create the .got section. */
+
+static bfd_boolean
+tilegx_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
+{
+ flagword flags;
+ asection *s, *s_got;
+ struct elf_link_hash_entry *h;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ struct elf_link_hash_table *htab = elf_hash_table (info);
+
+ /* This function may be called more than once. */
+ s = bfd_get_section_by_name (abfd, ".got");
+ if (s != NULL && (s->flags & SEC_LINKER_CREATED) != 0)
+ return TRUE;
+
+ flags = bed->dynamic_sec_flags;
+
+ s = bfd_make_section_with_flags (abfd,
+ (bed->rela_plts_and_copies_p
+ ? ".rela.got" : ".rel.got"),
+ (bed->dynamic_sec_flags
+ | SEC_READONLY));
+ if (s == NULL
+ || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
+ return FALSE;
+ htab->srelgot = s;
+
+ s = s_got = bfd_make_section_with_flags (abfd, ".got", flags);
+ if (s == NULL
+ || !bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
+ return FALSE;
+ htab->sgot = s;
+
+ /* The first bit of the global offset table is the header. */
+ s->size += bed->got_header_size;
+
+ if (bed->want_got_plt)
+ {
+ s = bfd_make_section_with_flags (abfd, ".got.plt", flags);
+ if (s == NULL
+ || !bfd_set_section_alignment (abfd, s,
+ bed->s->log_file_align))
+ return FALSE;
+ htab->sgotplt = s;
+
+ /* Reserve room for the header. */
+ s->size += GOTPLT_HEADER_SIZE (tilegx_elf_hash_table (info));
+ }
+
+ if (bed->want_got_sym)
+ {
+ /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
+ section. We don't do this in the linker script because we don't want
+ to define the symbol if we are not creating a global offset
+ table. */
+ h = _bfd_elf_define_linkage_sym (abfd, info, s_got,
+ "_GLOBAL_OFFSET_TABLE_");
+ elf_hash_table (info)->hgot = h;
+ if (h == NULL)
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and
+ .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
+ hash table. */
+
+bfd_boolean
+tilegx_elf_create_dynamic_sections (bfd *dynobj,
+ struct bfd_link_info *info)
+{
+ struct tilegx_elf_link_hash_table *htab;
+
+ htab = tilegx_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
+ if (!tilegx_elf_create_got_section (dynobj, info))
+ return FALSE;
+
+ if (!_bfd_elf_create_dynamic_sections (dynobj, info))
+ return FALSE;
+
+ htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
+ if (!info->shared)
+ htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
+
+ if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
+ || (!info->shared && !htab->srelbss))
+ abort ();
+
+ return TRUE;
+}
+
+/* Copy the extra info we tack onto an elf_link_hash_entry. */
+
+void
+tilegx_elf_copy_indirect_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *dir,
+ struct elf_link_hash_entry *ind)
+{
+ struct tilegx_elf_link_hash_entry *edir, *eind;
+
+ edir = (struct tilegx_elf_link_hash_entry *) dir;
+ eind = (struct tilegx_elf_link_hash_entry *) ind;
+
+ if (eind->dyn_relocs != NULL)
+ {
+ if (edir->dyn_relocs != NULL)
+ {
+ struct tilegx_elf_dyn_relocs **pp;
+ struct tilegx_elf_dyn_relocs *p;
+
+ /* Add reloc counts against the indirect sym to the direct sym
+ list. Merge any entries against the same section. */
+ for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
+ {
+ struct tilegx_elf_dyn_relocs *q;
+
+ for (q = edir->dyn_relocs; q != NULL; q = q->next)
+ if (q->sec == p->sec)
+ {
+ q->pc_count += p->pc_count;
+ q->count += p->count;
+ *pp = p->next;
+ break;
+ }
+ if (q == NULL)
+ pp = &p->next;
+ }
+ *pp = edir->dyn_relocs;
+ }
+
+ edir->dyn_relocs = eind->dyn_relocs;
+ eind->dyn_relocs = NULL;
+ }
+
+ if (ind->root.type == bfd_link_hash_indirect
+ && dir->got.refcount <= 0)
+ {
+ edir->tls_type = eind->tls_type;
+ eind->tls_type = GOT_UNKNOWN;
+ }
+ _bfd_elf_link_hash_copy_indirect (info, dir, ind);
+}
+
+/* Look through the relocs for a section during the first phase, and
+ allocate space in the global offset table or procedure linkage
+ table. */
+
+bfd_boolean
+tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
+ asection *sec, const Elf_Internal_Rela *relocs)
+{
+ struct tilegx_elf_link_hash_table *htab;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ bfd_vma *local_got_offsets;
+ const Elf_Internal_Rela *rel;
+ const Elf_Internal_Rela *rel_end;
+ asection *sreloc;
+ int num_relocs;
+
+ if (info->relocatable)
+ return TRUE;
+
+ htab = tilegx_elf_hash_table (info);
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+ local_got_offsets = elf_local_got_offsets (abfd);
+
+ sreloc = NULL;
+
+ num_relocs = sec->reloc_count;
+
+ BFD_ASSERT (is_tilegx_elf (abfd) || num_relocs == 0);
+
+ if (htab->elf.dynobj == NULL)
+ htab->elf.dynobj = abfd;
+
+ rel_end = relocs + num_relocs;
+ for (rel = relocs; rel < rel_end; rel++)
+ {
+ unsigned int r_type;
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+ int tls_type;
+
+ r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
+ r_type = TILEGX_ELF_R_TYPE (rel->r_info);
+
+ if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
+ {
+ (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
+ abfd, r_symndx);
+ return FALSE;
+ }
+
+ if (r_symndx < symtab_hdr->sh_info)
+ h = NULL;
+ else
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ }
+
+ switch (r_type)
+ {
+ case R_TILEGX_IMM16_X0_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW1_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW1_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW2_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW2_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW3_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW3_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD:
+ tls_type = GOT_TLS_GD;
+ goto have_got_reference;
+
+ case R_TILEGX_IMM16_X0_HW0_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW0_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW1_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW1_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW2_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW2_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW3_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW3_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE:
+ tls_type = GOT_TLS_IE;
+ if (info->shared)
+ info->flags |= DF_STATIC_TLS;
+ goto have_got_reference;
+
+ case R_TILEGX_IMM16_X0_HW0_GOT:
+ case R_TILEGX_IMM16_X1_HW0_GOT:
+ case R_TILEGX_IMM16_X0_HW1_GOT:
+ case R_TILEGX_IMM16_X1_HW1_GOT:
+ case R_TILEGX_IMM16_X0_HW2_GOT:
+ case R_TILEGX_IMM16_X1_HW2_GOT:
+ case R_TILEGX_IMM16_X0_HW3_GOT:
+ case R_TILEGX_IMM16_X1_HW3_GOT:
+ case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
+ case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
+ case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
+ case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
+ case R_TILEGX_IMM16_X0_HW2_LAST_GOT:
+ case R_TILEGX_IMM16_X1_HW2_LAST_GOT:
+ tls_type = GOT_NORMAL;
+ /* Fall Through */
+
+ have_got_reference:
+ /* This symbol requires a global offset table entry. */
+ {
+ int old_tls_type;
+
+ if (h != NULL)
+ {
+ h->got.refcount += 1;
+ old_tls_type = tilegx_elf_hash_entry(h)->tls_type;
+ }
+ else
+ {
+ bfd_signed_vma *local_got_refcounts;
+
+ /* This is a global offset table entry for a local symbol. */
+ local_got_refcounts = elf_local_got_refcounts (abfd);
+ if (local_got_refcounts == NULL)
+ {
+ bfd_size_type size;
+
+ size = symtab_hdr->sh_info;
+ size *= (sizeof (bfd_signed_vma) + sizeof(char));
+ local_got_refcounts = ((bfd_signed_vma *)
+ bfd_zalloc (abfd, size));
+ if (local_got_refcounts == NULL)
+ return FALSE;
+ elf_local_got_refcounts (abfd) = local_got_refcounts;
+ _bfd_tilegx_elf_local_got_tls_type (abfd)
+ = (char *) (local_got_refcounts + symtab_hdr->sh_info);
+ }
+ local_got_refcounts[r_symndx] += 1;
+ old_tls_type = _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx];
+ }
+
+ /* If a TLS symbol is accessed using IE at least once,
+ there is no point to use dynamic model for it. */
+ if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
+ && (old_tls_type != GOT_TLS_GD
+ || tls_type != GOT_TLS_IE))
+ {
+ if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
+ tls_type = old_tls_type;
+ else
+ {
+ (*_bfd_error_handler)
+ (_("%B: `%s' accessed both as normal and thread local symbol"),
+ abfd, h ? h->root.root.string : "<local>");
+ return FALSE;
+ }
+ }
+
+ if (old_tls_type != tls_type)
+ {
+ if (h != NULL)
+ tilegx_elf_hash_entry (h)->tls_type = tls_type;
+ else
+ _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
+ }
+ }
+
+ if (htab->elf.sgot == NULL)
+ {
+ if (!tilegx_elf_create_got_section (htab->elf.dynobj, info))
+ return FALSE;
+ }
+ break;
+
+ case R_TILEGX_JUMPOFF_X1_PLT:
+ /* This symbol requires a procedure linkage table entry. We
+ actually build the entry in adjust_dynamic_symbol,
+ because this might be a case of linking PIC code without
+ linking in any dynamic objects, in which case we don't
+ need to generate a procedure linkage table after all. */
+
+ if (h != NULL)
+ {
+ h->needs_plt = 1;
+ h->plt.refcount += 1;
+ }
+ break;
+
+ case R_TILEGX_64_PCREL:
+ case R_TILEGX_32_PCREL:
+ case R_TILEGX_16_PCREL:
+ case R_TILEGX_8_PCREL:
+ case R_TILEGX_IMM16_X0_HW0_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_PCREL:
+ case R_TILEGX_IMM16_X0_HW3_PCREL:
+ case R_TILEGX_IMM16_X1_HW3_PCREL:
+ case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
+ if (h != NULL)
+ h->non_got_ref = 1;
+
+ if (h != NULL
+ && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ break;
+ /* Fall through. */
+
+ case R_TILEGX_64:
+ case R_TILEGX_32:
+ case R_TILEGX_16:
+ case R_TILEGX_8:
+ case R_TILEGX_HW0:
+ case R_TILEGX_HW1:
+ case R_TILEGX_HW2:
+ case R_TILEGX_HW3:
+ case R_TILEGX_HW0_LAST:
+ case R_TILEGX_HW1_LAST:
+ case R_TILEGX_HW2_LAST:
+ case R_TILEGX_COPY:
+ case R_TILEGX_GLOB_DAT:
+ case R_TILEGX_JMP_SLOT:
+ case R_TILEGX_RELATIVE:
+ case R_TILEGX_BROFF_X1:
+ case R_TILEGX_JUMPOFF_X1:
+ case R_TILEGX_IMM8_X0:
+ case R_TILEGX_IMM8_Y0:
+ case R_TILEGX_IMM8_X1:
+ case R_TILEGX_IMM8_Y1:
+ case R_TILEGX_DEST_IMM8_X1:
+ case R_TILEGX_MT_IMM14_X1:
+ case R_TILEGX_MF_IMM14_X1:
+ case R_TILEGX_MMSTART_X0:
+ case R_TILEGX_MMEND_X0:
+ case R_TILEGX_SHAMT_X0:
+ case R_TILEGX_SHAMT_X1:
+ case R_TILEGX_SHAMT_Y0:
+ case R_TILEGX_SHAMT_Y1:
+ case R_TILEGX_IMM16_X0_HW0:
+ case R_TILEGX_IMM16_X1_HW0:
+ case R_TILEGX_IMM16_X0_HW1:
+ case R_TILEGX_IMM16_X1_HW1:
+ case R_TILEGX_IMM16_X0_HW2:
+ case R_TILEGX_IMM16_X1_HW2:
+ case R_TILEGX_IMM16_X0_HW3:
+ case R_TILEGX_IMM16_X1_HW3:
+ case R_TILEGX_IMM16_X0_HW0_LAST:
+ case R_TILEGX_IMM16_X1_HW0_LAST:
+ case R_TILEGX_IMM16_X0_HW1_LAST:
+ case R_TILEGX_IMM16_X1_HW1_LAST:
+ case R_TILEGX_IMM16_X0_HW2_LAST:
+ case R_TILEGX_IMM16_X1_HW2_LAST:
+ 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;
+ }
+ }
+
+ /* If we are creating a shared library, and this is a reloc
+ against a global symbol, or a non PC relative reloc
+ against a local symbol, then we need to copy the reloc
+ into the shared library. However, if we are linking with
+ -Bsymbolic, we do not need to copy a reloc against a
+ global symbol which is defined in an object we are
+ including in the link (i.e., DEF_REGULAR is set). At
+ this point we have not seen all the input files, so it is
+ possible that DEF_REGULAR is not set now but will be set
+ later (it is never cleared). In case of a weak definition,
+ DEF_REGULAR may be cleared later by a strong definition in
+ a shared library. We account for that possibility below by
+ storing information in the relocs_copied field of the hash
+ table entry. A similar situation occurs when creating
+ shared libraries and symbol visibility changes render the
+ symbol local.
+
+ If on the other hand, we are creating an executable, we
+ may need to keep relocations for symbols satisfied by a
+ dynamic library if we manage to avoid copy relocs for the
+ symbol. */
+ if ((info->shared
+ && (sec->flags & SEC_ALLOC) != 0
+ && (! tilegx_elf_howto_table[r_type].pc_relative
+ || (h != NULL
+ && (! info->symbolic
+ || h->root.type == bfd_link_hash_defweak
+ || !h->def_regular))))
+ || (!info->shared
+ && (sec->flags & SEC_ALLOC) != 0
+ && h != NULL
+ && (h->root.type == bfd_link_hash_defweak
+ || !h->def_regular)))
+ {
+ struct tilegx_elf_dyn_relocs *p;
+ struct tilegx_elf_dyn_relocs **head;
+
+ /* When creating a shared object, we must copy these
+ relocs into the output file. We create a reloc
+ section in dynobj and make room for the reloc. */
+ if (sreloc == NULL)
+ {
+ sreloc = _bfd_elf_make_dynamic_reloc_section
+ (sec, htab->elf.dynobj, htab->word_align_power, abfd,
+ /*rela?*/ TRUE);
+
+ if (sreloc == NULL)
+ return FALSE;
+ }
+
+ /* If this is a global symbol, we count the number of
+ relocations we need for this symbol. */
+ if (h != NULL)
+ head =
+ &((struct tilegx_elf_link_hash_entry *) h)->dyn_relocs;
+ else
+ {
+ /* Track dynamic relocs needed for local syms too.
+ We really need local syms available to do this
+ easily. Oh well. */
+
+ asection *s;
+ void *vpp;
+ Elf_Internal_Sym *isym;
+
+ isym = bfd_sym_from_r_symndx (&htab->sym_cache,
+ abfd, r_symndx);
+ if (isym == NULL)
+ return FALSE;
+
+ s = bfd_section_from_elf_index (abfd, isym->st_shndx);
+ if (s == NULL)
+ s = sec;
+
+ vpp = &elf_section_data (s)->local_dynrel;
+ head = (struct tilegx_elf_dyn_relocs **) vpp;
+ }
+
+ p = *head;
+ if (p == NULL || p->sec != sec)
+ {
+ bfd_size_type amt = sizeof *p;
+ p = ((struct tilegx_elf_dyn_relocs *)
+ bfd_alloc (htab->elf.dynobj, amt));
+ if (p == NULL)
+ return FALSE;
+ p->next = *head;
+ *head = p;
+ p->sec = sec;
+ p->count = 0;
+ p->pc_count = 0;
+ }
+
+ p->count += 1;
+ if (tilegx_elf_howto_table[r_type].pc_relative)
+ p->pc_count += 1;
+ }
+
+ break;
+
+ case R_TILEGX_GNU_VTINHERIT:
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
+
+ case R_TILEGX_GNU_VTENTRY:
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+
+asection *
+tilegx_elf_gc_mark_hook (asection *sec,
+ struct bfd_link_info *info,
+ Elf_Internal_Rela *rel,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
+{
+ if (h != NULL)
+ {
+ switch (TILEGX_ELF_R_TYPE (rel->r_info))
+ {
+ case R_TILEGX_GNU_VTINHERIT:
+ case R_TILEGX_GNU_VTENTRY:
+ break;
+ }
+ }
+
+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
+}
+
+/* Update the got entry reference counts for the section being removed. */
+bfd_boolean
+tilegx_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
+ asection *sec, const Elf_Internal_Rela *relocs)
+{
+ struct tilegx_elf_link_hash_table *htab;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ bfd_signed_vma *local_got_refcounts;
+ const Elf_Internal_Rela *rel, *relend;
+
+ if (info->relocatable)
+ return TRUE;
+
+ BFD_ASSERT (is_tilegx_elf (abfd) || sec->reloc_count == 0);
+
+ elf_section_data (sec)->local_dynrel = NULL;
+
+ htab = tilegx_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+ symtab_hdr = &elf_symtab_hdr (abfd);
+ sym_hashes = elf_sym_hashes (abfd);
+ local_got_refcounts = elf_local_got_refcounts (abfd);
+
+ relend = relocs + sec->reloc_count;
+ for (rel = relocs; rel < relend; rel++)
+ {
+ unsigned long r_symndx;
+ unsigned int r_type;
+ struct elf_link_hash_entry *h = NULL;
+
+ r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ struct tilegx_elf_link_hash_entry *eh;
+ struct tilegx_elf_dyn_relocs **pp;
+ struct tilegx_elf_dyn_relocs *p;
+
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ eh = (struct tilegx_elf_link_hash_entry *) h;
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
+ if (p->sec == sec)
+ {
+ /* Everything must go for SEC. */
+ *pp = p->next;
+ break;
+ }
+ }
+
+ r_type = TILEGX_ELF_R_TYPE (rel->r_info);
+
+ switch (r_type)
+ {
+ case R_TILEGX_IMM16_X0_HW0_GOT:
+ case R_TILEGX_IMM16_X1_HW0_GOT:
+ case R_TILEGX_IMM16_X0_HW1_GOT:
+ case R_TILEGX_IMM16_X1_HW1_GOT:
+ case R_TILEGX_IMM16_X0_HW2_GOT:
+ case R_TILEGX_IMM16_X1_HW2_GOT:
+ case R_TILEGX_IMM16_X0_HW3_GOT:
+ case R_TILEGX_IMM16_X1_HW3_GOT:
+ case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
+ case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
+ case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
+ case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
+ case R_TILEGX_IMM16_X0_HW2_LAST_GOT:
+ case R_TILEGX_IMM16_X1_HW2_LAST_GOT:
+ case R_TILEGX_IMM16_X0_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW1_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW1_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW2_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW2_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW3_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW3_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW0_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW0_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW1_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW1_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW2_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW2_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW3_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW3_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE:
+ if (h != NULL)
+ {
+ if (h->got.refcount > 0)
+ h->got.refcount--;
+ }
+ else
+ {
+ if (local_got_refcounts[r_symndx] > 0)
+ local_got_refcounts[r_symndx]--;
+ }
+ break;
+
+ case R_TILEGX_64_PCREL:
+ case R_TILEGX_32_PCREL:
+ case R_TILEGX_16_PCREL:
+ case R_TILEGX_8_PCREL:
+ case R_TILEGX_IMM16_X0_HW0_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_PCREL:
+ case R_TILEGX_IMM16_X0_HW3_PCREL:
+ case R_TILEGX_IMM16_X1_HW3_PCREL:
+ case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
+ if (h != NULL
+ && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ break;
+ /* Fall through. */
+
+ case R_TILEGX_64:
+ case R_TILEGX_32:
+ case R_TILEGX_16:
+ case R_TILEGX_8:
+ case R_TILEGX_HW0:
+ case R_TILEGX_HW1:
+ case R_TILEGX_HW2:
+ case R_TILEGX_HW3:
+ case R_TILEGX_HW0_LAST:
+ case R_TILEGX_HW1_LAST:
+ case R_TILEGX_HW2_LAST:
+ case R_TILEGX_COPY:
+ case R_TILEGX_GLOB_DAT:
+ case R_TILEGX_JMP_SLOT:
+ case R_TILEGX_RELATIVE:
+ case R_TILEGX_BROFF_X1:
+ case R_TILEGX_JUMPOFF_X1:
+ case R_TILEGX_IMM8_X0:
+ case R_TILEGX_IMM8_Y0:
+ case R_TILEGX_IMM8_X1:
+ case R_TILEGX_IMM8_Y1:
+ case R_TILEGX_DEST_IMM8_X1:
+ case R_TILEGX_MT_IMM14_X1:
+ case R_TILEGX_MF_IMM14_X1:
+ case R_TILEGX_MMSTART_X0:
+ case R_TILEGX_MMEND_X0:
+ case R_TILEGX_SHAMT_X0:
+ case R_TILEGX_SHAMT_X1:
+ case R_TILEGX_SHAMT_Y0:
+ case R_TILEGX_SHAMT_Y1:
+ case R_TILEGX_IMM16_X0_HW0:
+ case R_TILEGX_IMM16_X1_HW0:
+ case R_TILEGX_IMM16_X0_HW1:
+ case R_TILEGX_IMM16_X1_HW1:
+ case R_TILEGX_IMM16_X0_HW2:
+ case R_TILEGX_IMM16_X1_HW2:
+ case R_TILEGX_IMM16_X0_HW3:
+ case R_TILEGX_IMM16_X1_HW3:
+ case R_TILEGX_IMM16_X0_HW0_LAST:
+ case R_TILEGX_IMM16_X1_HW0_LAST:
+ case R_TILEGX_IMM16_X0_HW1_LAST:
+ case R_TILEGX_IMM16_X1_HW1_LAST:
+ case R_TILEGX_IMM16_X0_HW2_LAST:
+ case R_TILEGX_IMM16_X1_HW2_LAST:
+ if (info->shared)
+ break;
+ /* Fall through. */
+
+ case R_TILEGX_JUMPOFF_X1_PLT:
+ if (h != NULL)
+ {
+ if (h->plt.refcount > 0)
+ h->plt.refcount--;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Adjust a symbol defined by a dynamic object and referenced by a
+ regular object. The current definition is in some section of the
+ dynamic object, but we're not including those sections. We have to
+ change the definition to something the rest of the link can
+ understand. */
+
+bfd_boolean
+tilegx_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h)
+{
+ struct tilegx_elf_link_hash_table *htab;
+ struct tilegx_elf_link_hash_entry * eh;
+ struct tilegx_elf_dyn_relocs *p;
+ bfd *dynobj;
+ asection *s;
+
+ htab = tilegx_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
+ dynobj = htab->elf.dynobj;
+
+ /* Make sure we know what is going on here. */
+ BFD_ASSERT (dynobj != NULL
+ && (h->needs_plt
+ || h->u.weakdef != NULL
+ || (h->def_dynamic
+ && h->ref_regular
+ && !h->def_regular)));
+
+ /* If this is a function, put it in the procedure linkage table. We
+ will fill in the contents of the procedure linkage table later
+ (although we could actually do it here). */
+ if (h->type == STT_FUNC || h->needs_plt)
+ {
+ if (h->plt.refcount <= 0
+ || SYMBOL_CALLS_LOCAL (info, h)
+ || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ && h->root.type == bfd_link_hash_undefweak))
+ {
+ /* This case can occur if we saw a R_TILEGX_JUMPOFF_X1_PLT
+ reloc in an input file, but the symbol was never referred
+ to by a dynamic object, or if all references were garbage
+ collected. In such a case, we don't actually need to build
+ a procedure linkage table, and we can just do a
+ R_TILEGX_JUMPOFF_X1 relocation instead. */
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+
+ return TRUE;
+ }
+ else
+ h->plt.offset = (bfd_vma) -1;
+
+ /* If this is a weak symbol, and there is a real definition, the
+ processor independent code will have arranged for us to see the
+ real definition first, and we can just use the same value. */
+ if (h->u.weakdef != NULL)
+ {
+ BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
+ || h->u.weakdef->root.type == bfd_link_hash_defweak);
+ h->root.u.def.section = h->u.weakdef->root.u.def.section;
+ h->root.u.def.value = h->u.weakdef->root.u.def.value;
+ return TRUE;
+ }
+
+ /* This is a reference to a symbol defined by a dynamic object which
+ is not a function. */
+
+ /* If we are creating a shared library, we must presume that the
+ only references to the symbol are via the global offset table.
+ For such cases we need not do anything here; the relocations will
+ be handled correctly by relocate_section. */
+ if (info->shared)
+ return TRUE;
+
+ /* If there are no references to this symbol that do not use the
+ GOT, we don't need to generate a copy reloc. */
+ if (!h->non_got_ref)
+ return TRUE;
+
+ /* If -z nocopyreloc was given, we won't generate them either. */
+ if (info->nocopyreloc)
+ {
+ h->non_got_ref = 0;
+ return TRUE;
+ }
+
+ eh = (struct tilegx_elf_link_hash_entry *) h;
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ s = p->sec->output_section;
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ break;
+ }
+
+ /* If we didn't find any dynamic relocs in read-only sections, then
+ we'll be keeping the dynamic relocs and avoiding the copy reloc. */
+ if (p == NULL)
+ {
+ h->non_got_ref = 0;
+ return TRUE;
+ }
+
+ if (h->size == 0)
+ {
+ (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
+ h->root.root.string);
+ return TRUE;
+ }
+
+ /* We must allocate the symbol in our .dynbss section, which will
+ become part of the .bss section of the executable. There will be
+ an entry for this symbol in the .dynsym section. The dynamic
+ object will contain position independent code, so all references
+ from the dynamic object to this symbol will go through the global
+ offset table. The dynamic linker will use the .dynsym entry to
+ determine the address it must put in the global offset table, so
+ both the dynamic object and the regular object will refer to the
+ same memory location for the variable. */
+
+ /* We must generate a R_TILEGX_COPY reloc to tell the dynamic linker
+ to copy the initial value out of the dynamic object and into the
+ runtime process image. We need to remember the offset into the
+ .rel.bss section we are going to use. */
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ {
+ htab->srelbss->size += TILEGX_ELF_RELA_BYTES (htab);
+ h->needs_copy = 1;
+ }
+
+ return _bfd_elf_adjust_dynamic_copy (h, htab->sdynbss);
+}
+
+/* Allocate space in .plt, .got and associated reloc sections for
+ dynamic relocs. */
+
+static bfd_boolean
+allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
+{
+ struct bfd_link_info *info;
+ struct tilegx_elf_link_hash_table *htab;
+ struct tilegx_elf_link_hash_entry *eh;
+ struct tilegx_elf_dyn_relocs *p;
+
+ if (h->root.type == bfd_link_hash_indirect)
+ return TRUE;
+
+ if (h->root.type == bfd_link_hash_warning)
+ /* When warning symbols are created, they **replace** the "real"
+ entry in the hash table, thus we never get to see the real
+ symbol in a hash traversal. So look at it now. */
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ info = (struct bfd_link_info *) inf;
+ htab = tilegx_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
+ if (htab->elf.dynamic_sections_created
+ && h->plt.refcount > 0)
+ {
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
+ {
+ asection *s = htab->elf.splt;
+
+ /* Allocate room for the header and tail. */
+ if (s->size == 0)
+ {
+ s->size = PLT_HEADER_SIZE + PLT_TAIL_SIZE;
+ }
+
+ h->plt.offset = s->size - PLT_TAIL_SIZE;
+
+ /* If this symbol is not defined in a regular file, and we are
+ not generating a shared library, then set the symbol to this
+ location in the .plt. This is required to make function
+ pointers compare as equal between the normal executable and
+ the shared library. */
+ if (! info->shared
+ && !h->def_regular)
+ {
+ h->root.u.def.section = s;
+ h->root.u.def.value = h->plt.offset;
+ }
+
+ /* Make room for this entry. */
+ s->size += PLT_ENTRY_SIZE;
+
+ /* We also need to make an entry in the .got.plt section. */
+ htab->elf.sgotplt->size += GOT_ENTRY_SIZE (htab);
+
+ /* We also need to make an entry in the .rela.plt section. */
+ htab->elf.srelplt->size += TILEGX_ELF_RELA_BYTES (htab);
+ }
+ else
+ {
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+ }
+ else
+ {
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+
+ if (h->got.refcount > 0)
+ {
+ asection *s;
+ bfd_boolean dyn;
+ int tls_type = tilegx_elf_hash_entry(h)->tls_type;
+
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ s = htab->elf.sgot;
+ h->got.offset = s->size;
+ s->size += TILEGX_ELF_WORD_BYTES (htab);
+ /* TLS_GD entries need 2 consecutive GOT slots. */
+ if (tls_type == GOT_TLS_GD)
+ s->size += TILEGX_ELF_WORD_BYTES (htab);
+ dyn = htab->elf.dynamic_sections_created;
+ /* TLS_IE needs one dynamic relocation,
+ TLS_GD needs two if local symbol and two if global. */
+ if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE)
+ htab->elf.srelgot->size += 2 * TILEGX_ELF_RELA_BYTES (htab);
+ else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
+ htab->elf.srelgot->size += TILEGX_ELF_RELA_BYTES (htab);
+ }
+ else
+ h->got.offset = (bfd_vma) -1;
+
+ eh = (struct tilegx_elf_link_hash_entry *) h;
+ if (eh->dyn_relocs == NULL)
+ return TRUE;
+
+ /* In the shared -Bsymbolic case, discard space allocated for
+ dynamic pc-relative relocs against symbols which turn out to be
+ defined in regular objects. For the normal shared case, discard
+ space for pc-relative relocs that have become local due to symbol
+ visibility changes. */
+
+ if (info->shared)
+ {
+ if (SYMBOL_CALLS_LOCAL (info, h))
+ {
+ struct tilegx_elf_dyn_relocs **pp;
+
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
+ {
+ p->count -= p->pc_count;
+ p->pc_count = 0;
+ if (p->count == 0)
+ *pp = p->next;
+ else
+ pp = &p->next;
+ }
+ }
+
+ /* Also discard relocs on undefined weak syms with non-default
+ visibility. */
+ if (eh->dyn_relocs != NULL
+ && h->root.type == bfd_link_hash_undefweak)
+ {
+ if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
+ eh->dyn_relocs = NULL;
+
+ /* Make sure undefined weak symbols are output as a dynamic
+ symbol in PIEs. */
+ else if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+ }
+ }
+ else
+ {
+ /* For the non-shared case, discard space for relocs against
+ symbols which turn out to need copy relocs or are not
+ dynamic. */
+
+ if (!h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
+ || (htab->elf.dynamic_sections_created
+ && (h->root.type == bfd_link_hash_undefweak
+ || h->root.type == bfd_link_hash_undefined))))
+ {
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ /* If that succeeded, we know we'll be keeping all the
+ relocs. */
+ if (h->dynindx != -1)
+ goto keep;
+ }
+
+ eh->dyn_relocs = NULL;
+
+ keep: ;
+ }
+
+ /* Finally, allocate space. */
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ asection *sreloc = elf_section_data (p->sec)->sreloc;
+ sreloc->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
+ }
+
+ return TRUE;
+}
+
+/* Find any dynamic relocs that apply to read-only sections. */
+
+static bfd_boolean
+readonly_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
+{
+ struct tilegx_elf_link_hash_entry *eh;
+ struct tilegx_elf_dyn_relocs *p;
+
+ if (h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ eh = (struct tilegx_elf_link_hash_entry *) h;
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ asection *s = p->sec->output_section;
+
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ {
+ struct bfd_link_info *info = (struct bfd_link_info *) inf;
+
+ info->flags |= DF_TEXTREL;
+
+ /* Not an error, just cut short the traversal. */
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+/* Return true if the dynamic symbol for a given section should be
+ omitted when creating a shared library. */
+
+bfd_boolean
+tilegx_elf_omit_section_dynsym (bfd *output_bfd,
+ struct bfd_link_info *info,
+ asection *p)
+{
+ /* We keep the .got section symbol so that explicit relocations
+ against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
+ can be turned into relocations against the .got symbol. */
+ if (strcmp (p->name, ".got") == 0)
+ return FALSE;
+
+ return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
+}
+
+bfd_boolean
+tilegx_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
+{
+ struct tilegx_elf_link_hash_table *htab;
+ bfd *dynobj;
+ asection *s;
+ bfd *ibfd;
+
+ htab = tilegx_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+ dynobj = htab->elf.dynobj;
+ BFD_ASSERT (dynobj != NULL);
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* Set the contents of the .interp section to the interpreter. */
+ if (info->executable)
+ {
+ s = bfd_get_section_by_name (dynobj, ".interp");
+ BFD_ASSERT (s != NULL);
+ s->size = strlen (htab->dynamic_interpreter) + 1;
+ s->contents = (unsigned char *) htab->dynamic_interpreter;
+ }
+ }
+
+ /* Set up .got offsets for local syms, and space for local dynamic
+ relocs. */
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+ {
+ bfd_signed_vma *local_got;
+ bfd_signed_vma *end_local_got;
+ char *local_tls_type;
+ bfd_size_type locsymcount;
+ Elf_Internal_Shdr *symtab_hdr;
+ asection *srel;
+
+ if (! is_tilegx_elf (ibfd))
+ continue;
+
+ for (s = ibfd->sections; s != NULL; s = s->next)
+ {
+ struct tilegx_elf_dyn_relocs *p;
+
+ for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
+ {
+ if (!bfd_is_abs_section (p->sec)
+ && bfd_is_abs_section (p->sec->output_section))
+ {
+ /* Input section has been discarded, either because
+ it is a copy of a linkonce section or due to
+ linker script /DISCARD/, so we'll be discarding
+ the relocs too. */
+ }
+ else if (p->count != 0)
+ {
+ srel = elf_section_data (p->sec)->sreloc;
+ srel->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
+ if ((p->sec->output_section->flags & SEC_READONLY) != 0)
+ info->flags |= DF_TEXTREL;
+ }
+ }
+ }
+
+ local_got = elf_local_got_refcounts (ibfd);
+ if (!local_got)
+ continue;
+
+ symtab_hdr = &elf_symtab_hdr (ibfd);
+ locsymcount = symtab_hdr->sh_info;
+ end_local_got = local_got + locsymcount;
+ local_tls_type = _bfd_tilegx_elf_local_got_tls_type (ibfd);
+ s = htab->elf.sgot;
+ srel = htab->elf.srelgot;
+ for (; local_got < end_local_got; ++local_got, ++local_tls_type)
+ {
+ if (*local_got > 0)
+ {
+ *local_got = s->size;
+ s->size += TILEGX_ELF_WORD_BYTES (htab);
+ if (*local_tls_type == GOT_TLS_GD)
+ s->size += TILEGX_ELF_WORD_BYTES (htab);
+ if (info->shared
+ || *local_tls_type == GOT_TLS_GD
+ || *local_tls_type == GOT_TLS_IE)
+ srel->size += TILEGX_ELF_RELA_BYTES (htab);
+ }
+ else
+ *local_got = (bfd_vma) -1;
+ }
+ }
+
+ /* Allocate global sym .plt and .got entries, and space for global
+ sym dynamic relocs. */
+ elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* If the .got section is more than 0x8000 bytes, we add
+ 0x8000 to the value of _GLOBAL_OFFSET_TABLE_, so that 16
+ bit relocations have a greater chance of working. */
+ if (htab->elf.sgot->size >= 0x8000
+ && elf_hash_table (info)->hgot->root.u.def.value == 0)
+ elf_hash_table (info)->hgot->root.u.def.value = 0x8000;
+ }
+
+ if (htab->elf.sgotplt)
+ {
+ struct elf_link_hash_entry *got;
+ got = elf_link_hash_lookup (elf_hash_table (info),
+ "_GLOBAL_OFFSET_TABLE_",
+ FALSE, FALSE, FALSE);
+
+ /* Don't allocate .got.plt section if there are no GOT nor PLT
+ entries and there is no refeence to _GLOBAL_OFFSET_TABLE_. */
+ if ((got == NULL
+ || !got->ref_regular_nonweak)
+ && (htab->elf.sgotplt->size
+ == (unsigned)GOTPLT_HEADER_SIZE (htab))
+ && (htab->elf.splt == NULL
+ || htab->elf.splt->size == 0)
+ && (htab->elf.sgot == NULL
+ || (htab->elf.sgot->size
+ == get_elf_backend_data (output_bfd)->got_header_size)))
+ htab->elf.sgotplt->size = 0;
+ }
+
+ /* The check_relocs and adjust_dynamic_symbol entry points have
+ determined the sizes of the various dynamic sections. Allocate
+ memory for them. */
+ for (s = dynobj->sections; s != NULL; s = s->next)
+ {
+ if ((s->flags & SEC_LINKER_CREATED) == 0)
+ continue;
+
+ if (s == htab->elf.splt
+ || s == htab->elf.sgot
+ || s == htab->elf.sgotplt
+ || s == htab->sdynbss)
+ {
+ /* Strip this section if we don't need it; see the
+ comment below. */
+ }
+ else if (strncmp (s->name, ".rela", 5) == 0)
+ {
+ if (s->size != 0)
+ {
+ /* We use the reloc_count field as a counter if we need
+ to copy relocs into the output file. */
+ s->reloc_count = 0;
+ }
+ }
+ else
+ {
+ /* It's not one of our sections. */
+ continue;
+ }
+
+ if (s->size == 0)
+ {
+ /* If we don't need this section, strip it from the
+ output file. This is mostly to handle .rela.bss and
+ .rela.plt. We must create both sections in
+ create_dynamic_sections, because they must be created
+ before the linker maps input sections to output
+ sections. The linker does that before
+ adjust_dynamic_symbol is called, and it is that
+ function which decides whether anything needs to go
+ into these sections. */
+ s->flags |= SEC_EXCLUDE;
+ continue;
+ }
+
+ if ((s->flags & SEC_HAS_CONTENTS) == 0)
+ continue;
+
+ /* Allocate memory for the section contents. Zero the memory
+ for the benefit of .rela.plt, which has 4 unused entries
+ at the beginning, and we don't want garbage. */
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
+ if (s->contents == NULL)
+ return FALSE;
+ }
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* Add some entries to the .dynamic section. We fill in the
+ values later, in tilegx_elf_finish_dynamic_sections, but we
+ must add the entries now so that we get the correct size for
+ the .dynamic section. The DT_DEBUG entry is filled in by the
+ dynamic linker and used by the debugger. */
+#define add_dynamic_entry(TAG, VAL) \
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
+
+ if (info->executable)
+ {
+ if (!add_dynamic_entry (DT_DEBUG, 0))
+ return FALSE;
+ }
+
+ if (htab->elf.srelplt->size != 0)
+ {
+ if (!add_dynamic_entry (DT_PLTGOT, 0)
+ || !add_dynamic_entry (DT_PLTRELSZ, 0)
+ || !add_dynamic_entry (DT_PLTREL, DT_RELA)
+ || !add_dynamic_entry (DT_JMPREL, 0))
+ return FALSE;
+ }
+
+ if (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, TILEGX_ELF_RELA_BYTES (htab)))
+ return FALSE;
+
+ /* If any dynamic relocs apply to a read-only section,
+ then we need a DT_TEXTREL entry. */
+ if ((info->flags & DF_TEXTREL) == 0)
+ elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
+ (PTR) info);
+
+ if (info->flags & DF_TEXTREL)
+ {
+ if (!add_dynamic_entry (DT_TEXTREL, 0))
+ return FALSE;
+ }
+ }
+#undef add_dynamic_entry
+
+ return TRUE;
+}
+
+/* Return the base VMA address which should be subtracted from real addresses
+ when resolving @dtpoff relocation.
+ This is PT_TLS segment p_vaddr. */
+
+static bfd_vma
+dtpoff_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;
+}
+
+/* Return the relocation value for @tpoff relocation. */
+
+static bfd_vma
+tpoff (struct bfd_link_info *info, bfd_vma address)
+{
+ struct elf_link_hash_table *htab = elf_hash_table (info);
+
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (htab->tls_sec == NULL)
+ return 0;
+
+ return (address - htab->tls_sec->vma);
+}
+
+/* Relocate an TILEGX ELF section.
+
+ The RELOCATE_SECTION function is called by the new ELF backend linker
+ to handle the relocations for a section.
+
+ The relocs are always passed as Rela structures.
+
+ This function is responsible for adjusting the section contents as
+ necessary, and (if generating a relocatable output file) adjusting
+ the reloc addend as necessary.
+
+ This function does not have to worry about setting the reloc
+ address or the reloc symbol index.
+
+ LOCAL_SYMS is a pointer to the swapped in local symbols.
+
+ LOCAL_SECTIONS is an array giving the section in the input file
+ corresponding to the st_shndx field of each local symbol.
+
+ The global hash table entry for the global symbols can be found
+ via elf_sym_hashes (input_bfd).
+
+ When generating relocatable output, this function must handle
+ STB_LOCAL/STT_SECTION symbols specially. The output symbol is
+ going to be the section symbol corresponding to the output
+ section, which means that the addend must be adjusted
+ accordingly. */
+
+bfd_boolean
+tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
+ bfd *input_bfd, asection *input_section,
+ bfd_byte *contents, Elf_Internal_Rela *relocs,
+ Elf_Internal_Sym *local_syms,
+ asection **local_sections)
+{
+ struct tilegx_elf_link_hash_table *htab;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ bfd_vma *local_got_offsets;
+ bfd_vma got_base;
+ asection *sreloc;
+ Elf_Internal_Rela *rel;
+ Elf_Internal_Rela *relend;
+ int num_relocs;
+
+ htab = tilegx_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+ symtab_hdr = &elf_symtab_hdr (input_bfd);
+ sym_hashes = elf_sym_hashes (input_bfd);
+ local_got_offsets = elf_local_got_offsets (input_bfd);
+
+ if (elf_hash_table (info)->hgot == NULL)
+ got_base = 0;
+ else
+ got_base = elf_hash_table (info)->hgot->root.u.def.value;
+
+ sreloc = elf_section_data (input_section)->sreloc;
+
+ rel = relocs;
+ num_relocs = input_section->reloc_count;
+ relend = relocs + num_relocs;
+ for (; rel < relend; rel++)
+ {
+ int r_type, tls_type;
+ reloc_howto_type *howto;
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+ tilegx_create_func create_func;
+ asection *sec;
+ bfd_vma relocation;
+ bfd_reloc_status_type r;
+ const char *name;
+ bfd_vma off;
+ bfd_boolean is_plt = FALSE;
+
+ bfd_boolean unresolved_reloc;
+
+ r_type = TILEGX_ELF_R_TYPE (rel->r_info);
+ if (r_type == R_TILEGX_GNU_VTINHERIT
+ || r_type == R_TILEGX_GNU_VTENTRY)
+ continue;
+
+ if ((unsigned int)r_type >= ARRAY_SIZE (tilegx_elf_howto_table))
+ {
+ /* Not clear if we need to check here, but just be paranoid. */
+ (*_bfd_error_handler)
+ (_("%B: unrecognized relocation (0x%x) in section `%A'"),
+ input_bfd, r_type, input_section);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
+ howto = tilegx_elf_howto_table + r_type;
+
+ /* This is a final link. */
+ r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
+ h = NULL;
+ sym = NULL;
+ sec = NULL;
+ unresolved_reloc = FALSE;
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ sym = local_syms + r_symndx;
+ sec = local_sections[r_symndx];
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
+ }
+ else
+ {
+ bfd_boolean warned;
+
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned);
+ if (warned)
+ {
+ /* To avoid generating warning messages about truncated
+ relocations, set the relocation's address to be the same as
+ the start of this section. */
+ if (input_section->output_section != NULL)
+ relocation = input_section->output_section->vma;
+ else
+ relocation = 0;
+ }
+ }
+
+ if (sec != NULL && elf_discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, relend, howto, contents);
+
+ if (info->relocatable)
+ continue;
+
+ if (h != NULL)
+ name = h->root.root.string;
+ else
+ {
+ name = (bfd_elf_string_from_elf_section
+ (input_bfd, symtab_hdr->sh_link, sym->st_name));
+ if (name == NULL || *name == '\0')
+ name = bfd_section_name (input_bfd, sec);
+ }
+
+ switch (r_type)
+ {
+ case R_TILEGX_IMM16_X0_HW0_GOT:
+ case R_TILEGX_IMM16_X1_HW0_GOT:
+ case R_TILEGX_IMM16_X0_HW1_GOT:
+ case R_TILEGX_IMM16_X1_HW1_GOT:
+ case R_TILEGX_IMM16_X0_HW2_GOT:
+ case R_TILEGX_IMM16_X1_HW2_GOT:
+ case R_TILEGX_IMM16_X0_HW3_GOT:
+ case R_TILEGX_IMM16_X1_HW3_GOT:
+ case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
+ case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
+ case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
+ case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
+ case R_TILEGX_IMM16_X0_HW2_LAST_GOT:
+ case R_TILEGX_IMM16_X1_HW2_LAST_GOT:
+ /* Relocation is to the entry for this symbol in the global
+ offset table. */
+ if (htab->elf.sgot == NULL)
+ abort ();
+
+ if (h != NULL)
+ {
+ bfd_boolean dyn;
+
+ off = h->got.offset;
+ BFD_ASSERT (off != (bfd_vma) -1);
+ dyn = elf_hash_table (info)->dynamic_sections_created;
+
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
+ || (info->shared
+ && SYMBOL_REFERENCES_LOCAL (info, h)))
+ {
+ /* This is actually a static link, or it is a
+ -Bsymbolic link and the symbol is defined
+ locally, or the symbol was forced to be local
+ because of a version file. We must initialize
+ this entry in the global offset table. Since the
+ offset must always be a multiple
+ of 8 for 64-bit, we use the least significant bit
+ to record whether we have initialized it already.
+
+ When doing a dynamic link, we create a .rela.got
+ relocation entry to initialize the value. This
+ is done in the finish_dynamic_symbol routine. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
+ htab->elf.sgot->contents + off);
+ h->got.offset |= 1;
+ }
+ }
+ else
+ unresolved_reloc = FALSE;
+ }
+ else
+ {
+ BFD_ASSERT (local_got_offsets != NULL
+ && local_got_offsets[r_symndx] != (bfd_vma) -1);
+
+ off = local_got_offsets[r_symndx];
+
+ /* The offset must always be a multiple of 8 on 64-bit.
+ We use the least significant bit to record
+ whether we have already processed this entry. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ if (info->shared)
+ {
+ asection *s;
+ Elf_Internal_Rela outrel;
+
+ /* We need to generate a R_TILEGX_RELATIVE reloc
+ for the dynamic linker. */
+ s = htab->elf.srelgot;
+ BFD_ASSERT (s != NULL);
+
+ outrel.r_offset = (htab->elf.sgot->output_section->vma
+ + htab->elf.sgot->output_offset
+ + off);
+ outrel.r_info =
+ TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
+ outrel.r_addend = relocation;
+ relocation = 0;
+ tilegx_elf_append_rela (output_bfd, s, &outrel);
+ }
+
+ TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
+ htab->elf.sgot->contents + off);
+ local_got_offsets[r_symndx] |= 1;
+ }
+ }
+ relocation = htab->elf.sgot->output_offset + off - got_base;
+ break;
+
+ case R_TILEGX_JUMPOFF_X1_PLT:
+ /* Relocation is to the entry for this symbol in the
+ procedure linkage table. */
+ BFD_ASSERT (h != NULL);
+
+ if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
+ {
+ /* We didn't make a PLT entry for this symbol. This
+ happens when statically linking PIC code, or when
+ using -Bsymbolic. */
+ break;
+ }
+
+ relocation = (htab->elf.splt->output_section->vma
+ + htab->elf.splt->output_offset
+ + h->plt.offset);
+ unresolved_reloc = FALSE;
+ break;
+
+ case R_TILEGX_64_PCREL:
+ case R_TILEGX_32_PCREL:
+ case R_TILEGX_16_PCREL:
+ case R_TILEGX_8_PCREL:
+ case R_TILEGX_IMM16_X0_HW0_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_PCREL:
+ case R_TILEGX_IMM16_X0_HW3_PCREL:
+ case R_TILEGX_IMM16_X1_HW3_PCREL:
+ case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
+ case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
+ case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
+ case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
+ case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
+ case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
+ if (h != NULL
+ && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ break;
+ /* Fall through. */
+ case R_TILEGX_64:
+ case R_TILEGX_32:
+ case R_TILEGX_16:
+ case R_TILEGX_8:
+ case R_TILEGX_HW0:
+ case R_TILEGX_HW1:
+ case R_TILEGX_HW2:
+ case R_TILEGX_HW3:
+ case R_TILEGX_HW0_LAST:
+ case R_TILEGX_HW1_LAST:
+ case R_TILEGX_HW2_LAST:
+ case R_TILEGX_COPY:
+ case R_TILEGX_GLOB_DAT:
+ case R_TILEGX_JMP_SLOT:
+ case R_TILEGX_RELATIVE:
+ case R_TILEGX_BROFF_X1:
+ case R_TILEGX_JUMPOFF_X1:
+ case R_TILEGX_IMM8_X0:
+ case R_TILEGX_IMM8_Y0:
+ case R_TILEGX_IMM8_X1:
+ case R_TILEGX_IMM8_Y1:
+ case R_TILEGX_DEST_IMM8_X1:
+ case R_TILEGX_MT_IMM14_X1:
+ case R_TILEGX_MF_IMM14_X1:
+ case R_TILEGX_MMSTART_X0:
+ case R_TILEGX_MMEND_X0:
+ case R_TILEGX_SHAMT_X0:
+ case R_TILEGX_SHAMT_X1:
+ case R_TILEGX_SHAMT_Y0:
+ case R_TILEGX_SHAMT_Y1:
+ case R_TILEGX_IMM16_X0_HW0:
+ case R_TILEGX_IMM16_X1_HW0:
+ case R_TILEGX_IMM16_X0_HW1:
+ case R_TILEGX_IMM16_X1_HW1:
+ case R_TILEGX_IMM16_X0_HW2:
+ case R_TILEGX_IMM16_X1_HW2:
+ case R_TILEGX_IMM16_X0_HW3:
+ case R_TILEGX_IMM16_X1_HW3:
+ case R_TILEGX_IMM16_X0_HW0_LAST:
+ case R_TILEGX_IMM16_X1_HW0_LAST:
+ case R_TILEGX_IMM16_X0_HW1_LAST:
+ case R_TILEGX_IMM16_X1_HW1_LAST:
+ case R_TILEGX_IMM16_X0_HW2_LAST:
+ case R_TILEGX_IMM16_X1_HW2_LAST:
+ if ((input_section->flags & SEC_ALLOC) == 0)
+ break;
+
+ if ((info->shared
+ && (h == NULL
+ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak)
+ && (! howto->pc_relative
+ || !SYMBOL_CALLS_LOCAL (info, h)))
+ || (!info->shared
+ && h != NULL
+ && h->dynindx != -1
+ && !h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
+ || h->root.type == bfd_link_hash_undefweak
+ || h->root.type == bfd_link_hash_undefined)))
+ {
+ Elf_Internal_Rela outrel;
+ bfd_boolean skip, relocate = FALSE;
+
+ /* When generating a shared object, these relocations
+ are copied into the output file to be resolved at run
+ time. */
+
+ 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, relocate = TRUE;
+ outrel.r_offset += (input_section->output_section->vma
+ + input_section->output_offset);
+
+ switch (r_type)
+ {
+ case R_TILEGX_64_PCREL:
+ case R_TILEGX_32_PCREL:
+ case R_TILEGX_16_PCREL:
+ case R_TILEGX_8_PCREL:
+ /* If the symbol is not dynamic, we should not keep
+ a dynamic relocation. But an .rela.* slot has been
+ allocated for it, output R_TILEGX_NONE.
+ FIXME: Add code tracking needed dynamic relocs as
+ e.g. i386 has. */
+ if (h->dynindx == -1)
+ skip = TRUE, relocate = TRUE;
+ break;
+ }
+
+ if (skip)
+ memset (&outrel, 0, sizeof outrel);
+ /* h->dynindx may be -1 if the symbol was marked to
+ become local. */
+ else if (h != NULL &&
+ h->dynindx != -1
+ && (! is_plt
+ || !info->shared
+ || !SYMBOLIC_BIND (info, h)
+ || !h->def_regular))
+ {
+ BFD_ASSERT (h->dynindx != -1);
+ outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, h->dynindx, r_type);
+ outrel.r_addend = rel->r_addend;
+ }
+ else
+ {
+ if (r_type == R_TILEGX_32 || r_type == R_TILEGX_64)
+ {
+ outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0,
+ R_TILEGX_RELATIVE);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+ else
+ {
+ long indx;
+
+ outrel.r_addend = relocation + rel->r_addend;
+
+ if (is_plt)
+ sec = htab->elf.splt;
+
+ if (bfd_is_abs_section (sec))
+ indx = 0;
+ else if (sec == NULL || sec->owner == NULL)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+ else
+ {
+ asection *osec;
+
+ /* We are turning this relocation into one
+ against a section symbol. It would be
+ proper to subtract the symbol's value,
+ osec->vma, from the emitted reloc addend,
+ but ld.so expects buggy relocs. */
+ osec = sec->output_section;
+ indx = elf_section_data (osec)->dynindx;
+
+ if (indx == 0)
+ {
+ osec = htab->elf.text_index_section;
+ indx = elf_section_data (osec)->dynindx;
+ }
+
+ /* FIXME: we really should be able to link non-pic
+ shared libraries. */
+ if (indx == 0)
+ {
+ BFD_FAIL ();
+ (*_bfd_error_handler)
+ (_("%B: probably compiled without -fPIC?"),
+ input_bfd);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+ }
+
+ outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, indx,
+ r_type);
+ }
+ }
+
+ tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
+
+ /* This reloc will be computed at runtime, so there's no
+ need to do anything now. */
+ if (! relocate)
+ continue;
+ }
+ break;
+
+ case R_TILEGX_IMM16_X0_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW1_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW1_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW2_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW2_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW3_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW3_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD:
+ tls_type = GOT_TLS_GD;
+ goto have_tls_reference;
+
+ case R_TILEGX_IMM16_X0_HW0_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW0_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW1_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW1_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW2_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW2_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW3_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW3_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE:
+ tls_type = GOT_TLS_IE;
+ /* Fall through. */
+
+ have_tls_reference:
+ if (h == NULL && local_got_offsets)
+ tls_type = _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
+ else if (h != NULL)
+ tls_type = tilegx_elf_hash_entry(h)->tls_type;
+
+ if (tls_type == GOT_TLS_IE)
+ switch (r_type)
+ {
+ case R_TILEGX_IMM16_X0_HW0_TLS_GD:
+ r_type = R_TILEGX_IMM16_X0_HW0_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X1_HW0_TLS_GD:
+ r_type = R_TILEGX_IMM16_X1_HW0_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X0_HW1_TLS_GD:
+ r_type = R_TILEGX_IMM16_X0_HW1_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X1_HW1_TLS_GD:
+ r_type = R_TILEGX_IMM16_X1_HW1_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X0_HW2_TLS_GD:
+ r_type = R_TILEGX_IMM16_X0_HW2_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X1_HW2_TLS_GD:
+ r_type = R_TILEGX_IMM16_X1_HW2_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X0_HW3_TLS_GD:
+ r_type = R_TILEGX_IMM16_X0_HW3_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X1_HW3_TLS_GD:
+ r_type = R_TILEGX_IMM16_X1_HW3_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
+ r_type = R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
+ r_type = R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
+ r_type = R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
+ r_type = R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD:
+ r_type = R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE;
+ break;
+ case R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD:
+ r_type = R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE;
+ break;
+ }
+
+ if (h != NULL)
+ {
+ off = h->got.offset;
+ h->got.offset |= 1;
+ }
+ else
+ {
+ BFD_ASSERT (local_got_offsets != NULL);
+ off = local_got_offsets[r_symndx];
+ local_got_offsets[r_symndx] |= 1;
+ }
+
+ if (htab->elf.sgot == NULL)
+ abort ();
+
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ Elf_Internal_Rela outrel;
+ int indx = 0;
+ bfd_boolean need_relocs = FALSE;
+
+ if (htab->elf.srelgot == NULL)
+ abort ();
+
+ if (h != NULL)
+ {
+ bfd_boolean dyn;
+ dyn = htab->elf.dynamic_sections_created;
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
+ && (!info->shared
+ || !SYMBOL_REFERENCES_LOCAL (info, h)))
+ {
+ indx = h->dynindx;
+ }
+ }
+
+ /* The GOT entries have not been initialized yet. Do it
+ now, and emit any relocations. */
+ if ((info->shared || indx != 0)
+ && (h == NULL
+ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak))
+ need_relocs = TRUE;
+
+ switch (r_type)
+ {
+ case R_TILEGX_IMM16_X0_HW0_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW0_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW1_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW1_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW2_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW2_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW3_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW3_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE:
+ case R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE:
+ if (need_relocs) {
+ TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
+ htab->elf.sgot->contents + off);
+ outrel.r_offset = (htab->elf.sgot->output_section->vma
+ + htab->elf.sgot->output_offset + off);
+ outrel.r_addend = 0;
+ if (indx == 0)
+ outrel.r_addend = relocation - dtpoff_base (info);
+ outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
+ TILEGX_ELF_TPOFF_RELOC (htab));
+ tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
+ } else {
+ TILEGX_ELF_PUT_WORD (htab, output_bfd,
+ tpoff (info, relocation),
+ htab->elf.sgot->contents + off);
+ }
+ break;
+
+ case R_TILEGX_IMM16_X0_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW1_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW1_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW2_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW2_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW3_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW3_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD:
+ if (need_relocs) {
+ outrel.r_offset = (htab->elf.sgot->output_section->vma
+ + htab->elf.sgot->output_offset + off);
+ outrel.r_addend = 0;
+ outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
+ TILEGX_ELF_DTPMOD_RELOC (htab));
+ TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
+ htab->elf.sgot->contents + off);
+ tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
+ if (indx == 0)
+ {
+ BFD_ASSERT (! unresolved_reloc);
+ TILEGX_ELF_PUT_WORD (htab, output_bfd,
+ relocation - dtpoff_base (info),
+ (htab->elf.sgot->contents + off +
+ TILEGX_ELF_WORD_BYTES (htab)));
+ }
+ else
+ {
+ TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
+ (htab->elf.sgot->contents + off +
+ TILEGX_ELF_WORD_BYTES (htab)));
+ outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
+ TILEGX_ELF_DTPOFF_RELOC (htab));
+ outrel.r_offset += TILEGX_ELF_WORD_BYTES (htab);
+ tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
+ }
+ }
+
+ else {
+ /* If we are not emitting relocations for a
+ general dynamic reference, then we must be in a
+ static link or an executable link with the
+ symbol binding locally. Mark it as belonging
+ to module 1, the executable. */
+ TILEGX_ELF_PUT_WORD (htab, output_bfd, 1,
+ htab->elf.sgot->contents + off );
+ TILEGX_ELF_PUT_WORD (htab, output_bfd,
+ relocation - dtpoff_base (info),
+ htab->elf.sgot->contents + off +
+ TILEGX_ELF_WORD_BYTES (htab));
+ }
+ break;
+ }
+ }
+
+ if (off >= (bfd_vma) -2)
+ abort ();
+
+ relocation = htab->elf.sgot->output_offset + off - got_base;
+ unresolved_reloc = FALSE;
+ howto = tilegx_elf_howto_table + r_type;
+ break;
+
+ default:
+ break;
+ }
+
+ /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
+ because such sections are not SEC_ALLOC and thus ld.so will
+ not process them. */
+ if (unresolved_reloc
+ && !((input_section->flags & SEC_DEBUGGING) != 0
+ && h->def_dynamic))
+ (*_bfd_error_handler)
+ (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
+ input_bfd,
+ input_section,
+ (long) rel->r_offset,
+ howto->name,
+ h->root.root.string);
+
+ r = bfd_reloc_continue;
+
+ /* Get the operand creation function, if any. */
+ create_func = reloc_to_create_func[r_type];
+ if (create_func == NULL)
+ {
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset,
+ relocation, rel->r_addend);
+ }
+ else
+ {
+ if (howto->pc_relative)
+ {
+ relocation -=
+ input_section->output_section->vma + input_section->output_offset;
+ if (howto->pcrel_offset)
+ relocation -= rel->r_offset;
+ }
+
+ bfd_byte *data;
+
+ /* Add the relocation addend if any to the final target value */
+ relocation += rel->r_addend;
+
+ /* Do basic range checking */
+ r = bfd_check_overflow (howto->complain_on_overflow,
+ howto->bitsize,
+ howto->rightshift,
+ TILEGX_ELF_WORD_BYTES (htab) * 8,
+ relocation);
+
+ /*
+ * Write the relocated value out into the raw section data.
+ * Don't put a relocation out in the .rela section.
+ */
+ tilegx_bundle_bits mask = create_func(-1);
+ tilegx_bundle_bits value = create_func(relocation >> howto->rightshift);
+
+ /* Only touch bytes while the mask is not 0, so we
+ don't write to out of bounds memory if this is actually
+ a 16-bit switch instruction. */
+ for (data = contents + rel->r_offset; mask != 0; data++)
+ {
+ bfd_byte byte_mask = (bfd_byte)mask;
+ *data = (*data & ~byte_mask) | ((bfd_byte)value & byte_mask);
+ mask >>= 8;
+ value >>= 8;
+ }
+ }
+
+ if (r != bfd_reloc_ok)
+ {
+ const char *msg = NULL;
+
+ switch (r)
+ {
+ case bfd_reloc_overflow:
+ r = info->callbacks->reloc_overflow
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
+ break;
+
+ case bfd_reloc_undefined:
+ r = info->callbacks->undefined_symbol
+ (info, name, input_bfd, input_section, rel->r_offset,
+ TRUE);
+ break;
+
+ case bfd_reloc_outofrange:
+ msg = _("internal error: out of range error");
+ break;
+
+ case bfd_reloc_notsupported:
+ msg = _("internal error: unsupported relocation error");
+ break;
+
+ case bfd_reloc_dangerous:
+ msg = _("internal error: dangerous relocation");
+ break;
+
+ default:
+ msg = _("internal error: unknown error");
+ break;
+ }
+
+ if (msg)
+ r = info->callbacks->warning
+ (info, msg, name, input_bfd, input_section, rel->r_offset);
+
+ if (! r)
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Finish up dynamic symbol handling. We set the contents of various
+ dynamic sections here. */
+
+bfd_boolean
+tilegx_elf_finish_dynamic_symbol (bfd *output_bfd,
+ struct bfd_link_info *info,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
+{
+ struct tilegx_elf_link_hash_table *htab;
+
+ htab = tilegx_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+
+ if (h->plt.offset != (bfd_vma) -1)
+ {
+ asection *splt;
+ asection *srela;
+ asection *sgotplt;
+ Elf_Internal_Rela rela;
+ bfd_byte *loc;
+ bfd_vma r_offset;
+ const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
+
+
+ int rela_index;
+
+ /* This symbol has an entry in the PLT. Set it up. */
+
+ BFD_ASSERT (h->dynindx != -1);
+
+ splt = htab->elf.splt;
+ srela = htab->elf.srelplt;
+ sgotplt = htab->elf.sgotplt;
+
+ if (splt == NULL || srela == NULL)
+ abort ();
+
+ /* Fill in the entry in the procedure linkage table. */
+ rela_index = tilegx_plt_entry_build (output_bfd, htab, splt, sgotplt,
+ h->plt.offset, &r_offset);
+
+ /* Fill in the entry in the global offset table, which initially points
+ to the beginning of the plt. */
+ TILEGX_ELF_PUT_WORD (htab, output_bfd,
+ splt->output_section->vma + splt->output_offset,
+ sgotplt->contents + r_offset);
+
+ /* Fill in the entry in the .rela.plt section. */
+ rela.r_offset = (sgotplt->output_section->vma
+ + sgotplt->output_offset
+ + r_offset);
+ rela.r_addend = 0;
+ rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_JMP_SLOT);
+
+ loc = srela->contents + rela_index * TILEGX_ELF_RELA_BYTES (htab);
+ bed->s->swap_reloca_out (output_bfd, &rela, loc);
+
+ if (!h->def_regular)
+ {
+ /* Mark the symbol as undefined, rather than as defined in
+ the .plt section. Leave the value alone. */
+ sym->st_shndx = SHN_UNDEF;
+ /* If the symbol is weak, we do need to clear the value.
+ Otherwise, the PLT entry would provide a definition for
+ the symbol even if the symbol wasn't defined anywhere,
+ and so the symbol would never be NULL. */
+ if (!h->ref_regular_nonweak)
+ sym->st_value = 0;
+ }
+ }
+
+ if (h->got.offset != (bfd_vma) -1
+ && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_GD
+ && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
+ {
+ asection *sgot;
+ asection *srela;
+ Elf_Internal_Rela rela;
+
+ /* This symbol has an entry in the GOT. Set it up. */
+
+ sgot = htab->elf.sgot;
+ srela = htab->elf.srelgot;
+ BFD_ASSERT (sgot != NULL && srela != NULL);
+
+ rela.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + (h->got.offset &~ (bfd_vma) 1));
+
+ /* If this is a -Bsymbolic link, and the symbol is defined
+ locally, we just want to emit a RELATIVE reloc. Likewise if
+ the symbol was forced to be local because of a version file.
+ The entry in the global offset table will already have been
+ initialized in the relocate_section function. */
+ if (info->shared
+ && (info->symbolic || h->dynindx == -1)
+ && h->def_regular)
+ {
+ asection *sec = h->root.u.def.section;
+ rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
+ rela.r_addend = (h->root.u.def.value
+ + sec->output_section->vma
+ + sec->output_offset);
+ }
+ else
+ {
+ rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_GLOB_DAT);
+ rela.r_addend = 0;
+ }
+
+ TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
+ sgot->contents + (h->got.offset & ~(bfd_vma) 1));
+ tilegx_elf_append_rela (output_bfd, srela, &rela);
+ }
+
+ if (h->needs_copy)
+ {
+ asection *s;
+ Elf_Internal_Rela rela;
+
+ /* This symbols needs a copy reloc. Set it up. */
+ BFD_ASSERT (h->dynindx != -1);
+
+ s = bfd_get_section_by_name (h->root.u.def.section->owner,
+ ".rela.bss");
+ BFD_ASSERT (s != NULL);
+
+ rela.r_offset = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_COPY);
+ rela.r_addend = 0;
+ tilegx_elf_append_rela (output_bfd, s, &rela);
+ }
+
+ /* Mark some specially defined symbols as absolute. */
+ if (strcmp (h->root.root.string, "_DYNAMIC") == 0
+ || (h == htab->elf.hgot || h == htab->elf.hplt))
+ sym->st_shndx = SHN_ABS;
+
+ return TRUE;
+}
+
+/* Finish up the dynamic sections. */
+
+static bfd_boolean
+tilegx_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
+ bfd *dynobj, asection *sdyn,
+ asection *splt ATTRIBUTE_UNUSED)
+{
+ struct tilegx_elf_link_hash_table *htab;
+ const struct elf_backend_data *bed;
+ bfd_byte *dyncon, *dynconend;
+ size_t dynsize;
+ bfd_boolean abi_64_p;
+
+ htab = tilegx_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+ bed = get_elf_backend_data (output_bfd);
+ dynsize = bed->s->sizeof_dyn;
+ dynconend = sdyn->contents + sdyn->size;
+ abi_64_p = ABI_64_P (output_bfd);
+
+ for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
+ {
+ Elf_Internal_Dyn dyn;
+ asection *s;
+
+ bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
+
+ switch (dyn.d_tag)
+ {
+ case DT_PLTGOT:
+ s = htab->elf.sgotplt;
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
+ break;
+ case DT_JMPREL:
+ s = htab->elf.srelplt;
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
+ break;
+ case DT_PLTRELSZ:
+ s = htab->elf.srelplt;
+ dyn.d_un.d_val = s->size;
+ break;
+ default:
+ continue;
+ }
+
+ bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
+ }
+ return TRUE;
+}
+
+bfd_boolean
+tilegx_elf_finish_dynamic_sections (bfd *output_bfd,
+ struct bfd_link_info *info)
+{
+ bfd *dynobj;
+ asection *sdyn;
+ struct tilegx_elf_link_hash_table *htab;
+
+ htab = tilegx_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
+ dynobj = htab->elf.dynobj;
+
+ sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ asection *splt;
+ bfd_boolean ret;
+
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (splt != NULL && sdyn != NULL);
+
+ ret = tilegx_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
+
+ if (ret != TRUE)
+ return ret;
+
+ /* Fill in the head and tail entries in the procedure linkage table. */
+ if (splt->size > 0)
+ {
+ memcpy (splt->contents,
+ ABI_64_P (output_bfd) ?
+ tilegx64_plt0_entry : tilegx32_plt0_entry,
+ PLT_HEADER_SIZE);
+
+ memcpy (splt->contents + splt->size - PLT_TAIL_SIZE,
+ ABI_64_P (output_bfd) ?
+ tilegx64_plt_tail_entry : tilegx32_plt_tail_entry,
+ PLT_TAIL_SIZE);
+ }
+
+ elf_section_data (splt->output_section)->this_hdr.sh_entsize
+ = PLT_ENTRY_SIZE;
+ }
+
+ if (htab->elf.sgotplt)
+ {
+ if (bfd_is_abs_section (htab->elf.sgotplt->output_section))
+ {
+ (*_bfd_error_handler)
+ (_("discarded output section: `%A'"), htab->elf.sgotplt);
+ return FALSE;
+ }
+
+ if (htab->elf.sgotplt->size > 0)
+ {
+ /* Write the first two entries in .got.plt, needed for the dynamic
+ linker. */
+ TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) -1,
+ htab->elf.sgotplt->contents);
+ TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) 0,
+ htab->elf.sgotplt->contents
+ + GOT_ENTRY_SIZE (htab));
+ }
+
+ elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize =
+ GOT_ENTRY_SIZE (htab);
+ }
+
+ if (htab->elf.sgot)
+ {
+ if (htab->elf.sgot->size > 0)
+ {
+ /* Set the first entry in the global offset table to the address of
+ the dynamic section. */
+ bfd_vma val = (sdyn ?
+ sdyn->output_section->vma + sdyn->output_offset :
+ 0);
+ TILEGX_ELF_PUT_WORD (htab, output_bfd, val,
+ htab->elf.sgot->contents);
+ }
+
+ elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
+ GOT_ENTRY_SIZE (htab);
+ }
+
+ return TRUE;
+}
+
+
+
+/* Return address for Ith PLT stub in section PLT, for relocation REL
+ or (bfd_vma) -1 if it should not be included. */
+
+bfd_vma
+tilegx_elf_plt_sym_val (bfd_vma i, const asection *plt,
+ const arelent *rel ATTRIBUTE_UNUSED)
+{
+ return plt->vma + PLT_HEADER_SIZE + i * PLT_ENTRY_SIZE;
+}
+
+enum elf_reloc_type_class
+tilegx_reloc_type_class (const Elf_Internal_Rela *rela)
+{
+ switch ((int) TILEGX_ELF_R_TYPE (rela->r_info))
+ {
+ case R_TILEGX_RELATIVE:
+ return reloc_class_relative;
+ case R_TILEGX_JMP_SLOT:
+ return reloc_class_plt;
+ case R_TILEGX_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
+}
+
+int
+tilegx_additional_program_headers (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ /* Each .intrpt section specified by the user adds another PT_LOAD
+ header since the sections are discontiguous. */
+ static const char intrpt_sections[4][9] =
+ {
+ ".intrpt0", ".intrpt1", ".intrpt2", ".intrpt3"
+ };
+ int count = 0;
+ int i;
+
+ for (i = 0; i < 4; i++)
+ {
+ asection *sec = bfd_get_section_by_name (abfd, intrpt_sections[i]);
+ if (sec != NULL && (sec->flags & SEC_LOAD) != 0)
+ ++count;
+ }
+
+ /* Add four "padding" headers in to leave room in case a custom linker
+ script does something fancy. Otherwise ld complains that it ran
+ out of program headers and refuses to link. */
+ count += 4;
+
+ return count;
+}
+
+
+bfd_boolean
+_bfd_tilegx_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
+{
+ const char *targ1 = bfd_get_target (ibfd);
+ const char *targ2 = bfd_get_target (obfd);
+
+ if (strcmp (targ1, targ2) != 0)
+ {
+ (*_bfd_error_handler)
+ (_("%B: Cannot link together %s and %s objects."),
+ ibfd, targ1, targ2);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
+ return TRUE;
+}