diff options
Diffstat (limited to 'binutils-2.25/bfd/elf32-tic6x.c')
| -rw-r--r-- | binutils-2.25/bfd/elf32-tic6x.c | 4459 |
1 files changed, 4459 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/elf32-tic6x.c b/binutils-2.25/bfd/elf32-tic6x.c new file mode 100644 index 00000000..7ac6325f --- /dev/null +++ b/binutils-2.25/bfd/elf32-tic6x.c @@ -0,0 +1,4459 @@ +/* 32-bit ELF support for TI C6X + Copyright 2010-2013 Free Software Foundation, Inc. + Contributed by Joseph Myers <joseph@codesourcery.com> + Bernd Schmidt <bernds@codesourcery.com> + + 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 "sysdep.h" +#include <limits.h> +#include "bfd.h" +#include "libbfd.h" +#include "libiberty.h" +#include "elf-bfd.h" +#include "elf/tic6x.h" +#include "elf32-tic6x.h" + +#define ELF_DYNAMIC_INTERPRETER "/lib/ld-uClibc.so.0" + +/* DSBT binaries have a default 128K stack. */ +#define DEFAULT_STACK_SIZE 0x20000 + +/* The size in bytes of an entry in the procedure linkage table. */ +#define PLT_ENTRY_SIZE 24 + +/* TI C6X ELF linker hash table. */ + +struct elf32_tic6x_link_hash_table +{ + struct elf_link_hash_table elf; + + /* Short-cuts to get to dynamic linker sections. */ + asection *sdynbss; + asection *srelbss; + + /* C6X specific command line arguments. */ + struct elf32_tic6x_params params; + + /* Small local sym cache. */ + struct sym_cache sym_cache; + + /* The output BFD, for convenience. */ + bfd *obfd; + + /* The .dsbt section. */ + asection *dsbt; +}; + +/* Get the TI C6X ELF linker hash table from a link_info structure. */ + +#define elf32_tic6x_hash_table(p) \ + ((struct elf32_tic6x_link_hash_table *) ((p)->hash)) + +/* TI C6X ELF linker hash entry. */ + +struct elf32_tic6x_link_hash_entry +{ + struct elf_link_hash_entry elf; + + /* Track dynamic relocs copied for this symbol. */ + struct elf_dyn_relocs *dyn_relocs; +}; + +typedef enum +{ + DELETE_EXIDX_ENTRY, + INSERT_EXIDX_CANTUNWIND_AT_END +} +tic6x_unwind_edit_type; + +/* A (sorted) list of edits to apply to an unwind table. */ +typedef struct tic6x_unwind_table_edit +{ + tic6x_unwind_edit_type type; + /* Note: we sometimes want to insert an unwind entry corresponding to a + section different from the one we're currently writing out, so record the + (text) section this edit relates to here. */ + asection *linked_section; + unsigned int index; + struct tic6x_unwind_table_edit *next; +} +tic6x_unwind_table_edit; + +typedef struct _tic6x_elf_section_data +{ + /* Information about mapping symbols. */ + struct bfd_elf_section_data elf; + /* Information about unwind tables. */ + union + { + /* Unwind info attached to a text section. */ + struct + { + asection *tic6x_exidx_sec; + } text; + + /* Unwind info attached to an .c6xabi.exidx section. */ + struct + { + tic6x_unwind_table_edit *unwind_edit_list; + tic6x_unwind_table_edit *unwind_edit_tail; + } exidx; + } u; +} +_tic6x_elf_section_data; + +#define elf32_tic6x_section_data(sec) \ + ((_tic6x_elf_section_data *) elf_section_data (sec)) + +struct elf32_tic6x_obj_tdata +{ + struct elf_obj_tdata root; + + /* Whether to use RELA relocations when generating relocations. + This is a per-object flag to allow the assembler to generate REL + relocations for use in linker testcases. */ + bfd_boolean use_rela_p; +}; + +#define elf32_tic6x_tdata(abfd) \ + ((struct elf32_tic6x_obj_tdata *) (abfd)->tdata.any) + +#define is_tic6x_elf(bfd) \ + (bfd_get_flavour (bfd) == bfd_target_elf_flavour \ + && elf_tdata (bfd) != NULL \ + && elf_object_id (bfd) == TIC6X_ELF_DATA) + +/* C6X ELF uses two common sections. One is the usual one, and the + other is for small objects. All the small objects are kept + together, and then referenced via the gp pointer, which yields + faster assembler code. This is what we use for the small common + section. This approach is copied from ecoff.c. */ +static asection tic6x_elf_scom_section; +static asymbol tic6x_elf_scom_symbol; +static asymbol *tic6x_elf_scom_symbol_ptr; + +static reloc_howto_type elf32_tic6x_howto_table[] = +{ + HOWTO (R_C6000_NONE, /* 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_C6000_NONE", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_ABS32, /* 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_C6000_ABS32", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_ABS16, /* 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_C6000_ABS16", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_ABS8, /* type */ + 0, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 8, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_ABS8", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x000000ff, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_PCR_S21, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 21, /* bitsize */ + TRUE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PCR_S21", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x0fffff80, /* dst_mask */ + TRUE), /* pcrel_offset */ + HOWTO (R_C6000_PCR_S12, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 12, /* bitsize */ + TRUE, /* pc_relative */ + 16, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PCR_S12", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x0fff0000, /* dst_mask */ + TRUE), /* pcrel_offset */ + HOWTO (R_C6000_PCR_S10, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 10, /* bitsize */ + TRUE, /* pc_relative */ + 13, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PCR_S10", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fe000, /* dst_mask */ + TRUE), /* pcrel_offset */ + HOWTO (R_C6000_PCR_S7, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 7, /* bitsize */ + TRUE, /* pc_relative */ + 16, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PCR_S7", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007f0000, /* dst_mask */ + TRUE), /* pcrel_offset */ + HOWTO (R_C6000_ABS_S16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_ABS_S16", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_ABS_L16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_ABS_L16", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_ABS_H16, /* type */ + 16, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_ABS_H16", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_U15_B, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 15, /* bitsize */ + FALSE, /* pc_relative */ + 8, /* bitpos */ + complain_overflow_unsigned,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_U15_B", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff00, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_U15_H, /* type */ + 1, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 15, /* bitsize */ + FALSE, /* pc_relative */ + 8, /* bitpos */ + complain_overflow_unsigned,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_U15_H", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff00, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_U15_W, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 15, /* bitsize */ + FALSE, /* pc_relative */ + 8, /* bitpos */ + complain_overflow_unsigned,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_U15_W", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff00, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_S16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_S16", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_L16_B, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_L16_B", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_L16_H, /* type */ + 1, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_L16_H", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_L16_W, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_L16_W", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_H16_B, /* type */ + 16, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_H16_B", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_H16_H, /* type */ + 17, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_H16_H", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_H16_W, /* type */ + 18, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_H16_W", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_GOT_U15_W, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 15, /* bitsize */ + FALSE, /* pc_relative */ + 8, /* bitpos */ + complain_overflow_unsigned,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_GOT_U15_W",/* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff00, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_GOT_L16_W, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_GOT_L16_W",/* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_GOT_H16_W, /* type */ + 18, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_GOT_H16_W",/* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_DSBT_INDEX, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 15, /* bitsize */ + FALSE, /* pc_relative */ + 8, /* bitpos */ + complain_overflow_unsigned,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_DSBT_INDEX", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff00, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_PREL31, /* type */ + 1, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 31, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PREL31", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x7fffffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + HOWTO (R_C6000_COPY, /* 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_C6000_COPY", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_JUMP_SLOT, /* 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_C6000_JUMP_SLOT", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_EHTYPE, /* 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_C6000_EHTYPE", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_PCR_H16, /* type */ + 16, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + TRUE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PCR_H16", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + TRUE), /* pcrel_offset */ + HOWTO (R_C6000_PCR_L16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + TRUE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PCR_L16", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff80, /* dst_mask */ + TRUE), /* pcrel_offset */ + EMPTY_HOWTO (31), + EMPTY_HOWTO (32), + EMPTY_HOWTO (33), + EMPTY_HOWTO (34), + EMPTY_HOWTO (35), + EMPTY_HOWTO (36), + EMPTY_HOWTO (37), + EMPTY_HOWTO (38), + EMPTY_HOWTO (39), + EMPTY_HOWTO (40), + EMPTY_HOWTO (41), + EMPTY_HOWTO (42), + EMPTY_HOWTO (43), + EMPTY_HOWTO (44), + EMPTY_HOWTO (45), + EMPTY_HOWTO (46), + EMPTY_HOWTO (47), + EMPTY_HOWTO (48), + EMPTY_HOWTO (49), + EMPTY_HOWTO (50), + EMPTY_HOWTO (51), + EMPTY_HOWTO (52), + EMPTY_HOWTO (53), + EMPTY_HOWTO (54), + EMPTY_HOWTO (55), + EMPTY_HOWTO (56), + EMPTY_HOWTO (57), + EMPTY_HOWTO (58), + EMPTY_HOWTO (59), + EMPTY_HOWTO (60), + EMPTY_HOWTO (61), + EMPTY_HOWTO (62), + EMPTY_HOWTO (63), + EMPTY_HOWTO (64), + EMPTY_HOWTO (65), + EMPTY_HOWTO (66), + EMPTY_HOWTO (67), + EMPTY_HOWTO (68), + EMPTY_HOWTO (69), + EMPTY_HOWTO (70), + EMPTY_HOWTO (71), + EMPTY_HOWTO (72), + EMPTY_HOWTO (73), + EMPTY_HOWTO (74), + EMPTY_HOWTO (75), + EMPTY_HOWTO (76), + EMPTY_HOWTO (77), + EMPTY_HOWTO (78), + EMPTY_HOWTO (79), + EMPTY_HOWTO (80), + EMPTY_HOWTO (81), + EMPTY_HOWTO (82), + EMPTY_HOWTO (83), + EMPTY_HOWTO (84), + EMPTY_HOWTO (85), + EMPTY_HOWTO (86), + EMPTY_HOWTO (87), + EMPTY_HOWTO (88), + EMPTY_HOWTO (89), + EMPTY_HOWTO (90), + EMPTY_HOWTO (91), + EMPTY_HOWTO (92), + EMPTY_HOWTO (93), + EMPTY_HOWTO (94), + EMPTY_HOWTO (95), + EMPTY_HOWTO (96), + EMPTY_HOWTO (97), + EMPTY_HOWTO (98), + EMPTY_HOWTO (99), + EMPTY_HOWTO (100), + EMPTY_HOWTO (101), + EMPTY_HOWTO (102), + EMPTY_HOWTO (103), + EMPTY_HOWTO (104), + EMPTY_HOWTO (105), + EMPTY_HOWTO (106), + EMPTY_HOWTO (107), + EMPTY_HOWTO (108), + EMPTY_HOWTO (109), + EMPTY_HOWTO (110), + EMPTY_HOWTO (111), + EMPTY_HOWTO (112), + EMPTY_HOWTO (113), + EMPTY_HOWTO (114), + EMPTY_HOWTO (115), + EMPTY_HOWTO (116), + EMPTY_HOWTO (117), + EMPTY_HOWTO (118), + EMPTY_HOWTO (119), + EMPTY_HOWTO (120), + EMPTY_HOWTO (121), + EMPTY_HOWTO (122), + EMPTY_HOWTO (123), + EMPTY_HOWTO (124), + EMPTY_HOWTO (125), + EMPTY_HOWTO (126), + EMPTY_HOWTO (127), + EMPTY_HOWTO (128), + EMPTY_HOWTO (129), + EMPTY_HOWTO (130), + EMPTY_HOWTO (131), + EMPTY_HOWTO (132), + EMPTY_HOWTO (133), + EMPTY_HOWTO (134), + EMPTY_HOWTO (135), + EMPTY_HOWTO (136), + EMPTY_HOWTO (137), + EMPTY_HOWTO (138), + EMPTY_HOWTO (139), + EMPTY_HOWTO (140), + EMPTY_HOWTO (141), + EMPTY_HOWTO (142), + EMPTY_HOWTO (143), + EMPTY_HOWTO (144), + EMPTY_HOWTO (145), + EMPTY_HOWTO (146), + EMPTY_HOWTO (147), + EMPTY_HOWTO (148), + EMPTY_HOWTO (149), + EMPTY_HOWTO (150), + EMPTY_HOWTO (151), + EMPTY_HOWTO (152), + EMPTY_HOWTO (153), + EMPTY_HOWTO (154), + EMPTY_HOWTO (155), + EMPTY_HOWTO (156), + EMPTY_HOWTO (157), + EMPTY_HOWTO (158), + EMPTY_HOWTO (159), + EMPTY_HOWTO (160), + EMPTY_HOWTO (161), + EMPTY_HOWTO (162), + EMPTY_HOWTO (163), + EMPTY_HOWTO (164), + EMPTY_HOWTO (165), + EMPTY_HOWTO (166), + EMPTY_HOWTO (167), + EMPTY_HOWTO (168), + EMPTY_HOWTO (169), + EMPTY_HOWTO (170), + EMPTY_HOWTO (171), + EMPTY_HOWTO (172), + EMPTY_HOWTO (173), + EMPTY_HOWTO (174), + EMPTY_HOWTO (175), + EMPTY_HOWTO (176), + EMPTY_HOWTO (177), + EMPTY_HOWTO (178), + EMPTY_HOWTO (179), + EMPTY_HOWTO (180), + EMPTY_HOWTO (181), + EMPTY_HOWTO (182), + EMPTY_HOWTO (183), + EMPTY_HOWTO (184), + EMPTY_HOWTO (185), + EMPTY_HOWTO (186), + EMPTY_HOWTO (187), + EMPTY_HOWTO (188), + EMPTY_HOWTO (189), + EMPTY_HOWTO (190), + EMPTY_HOWTO (191), + EMPTY_HOWTO (192), + EMPTY_HOWTO (193), + EMPTY_HOWTO (194), + EMPTY_HOWTO (195), + EMPTY_HOWTO (196), + EMPTY_HOWTO (197), + EMPTY_HOWTO (198), + EMPTY_HOWTO (199), + EMPTY_HOWTO (200), + EMPTY_HOWTO (201), + EMPTY_HOWTO (202), + EMPTY_HOWTO (203), + EMPTY_HOWTO (204), + EMPTY_HOWTO (205), + EMPTY_HOWTO (206), + EMPTY_HOWTO (207), + EMPTY_HOWTO (208), + EMPTY_HOWTO (209), + EMPTY_HOWTO (210), + EMPTY_HOWTO (211), + EMPTY_HOWTO (212), + EMPTY_HOWTO (213), + EMPTY_HOWTO (214), + EMPTY_HOWTO (215), + EMPTY_HOWTO (216), + EMPTY_HOWTO (217), + EMPTY_HOWTO (218), + EMPTY_HOWTO (219), + EMPTY_HOWTO (220), + EMPTY_HOWTO (221), + EMPTY_HOWTO (222), + EMPTY_HOWTO (223), + EMPTY_HOWTO (224), + EMPTY_HOWTO (225), + EMPTY_HOWTO (226), + EMPTY_HOWTO (227), + EMPTY_HOWTO (228), + EMPTY_HOWTO (229), + EMPTY_HOWTO (230), + EMPTY_HOWTO (231), + EMPTY_HOWTO (232), + EMPTY_HOWTO (233), + EMPTY_HOWTO (234), + EMPTY_HOWTO (235), + EMPTY_HOWTO (236), + EMPTY_HOWTO (237), + EMPTY_HOWTO (238), + EMPTY_HOWTO (239), + EMPTY_HOWTO (240), + EMPTY_HOWTO (241), + EMPTY_HOWTO (242), + EMPTY_HOWTO (243), + EMPTY_HOWTO (244), + EMPTY_HOWTO (245), + EMPTY_HOWTO (246), + EMPTY_HOWTO (247), + EMPTY_HOWTO (248), + EMPTY_HOWTO (249), + EMPTY_HOWTO (250), + EMPTY_HOWTO (251), + EMPTY_HOWTO (252), + HOWTO (R_C6000_ALIGN, /* 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_C6000_ALIGN", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_FPHEAD, /* 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_C6000_FPHEAD", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_NOCMP, /* 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_C6000_NOCMP", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE) /* pcrel_offset */ +}; + +static reloc_howto_type elf32_tic6x_howto_table_rel[] = +{ + HOWTO (R_C6000_NONE, /* 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_C6000_NONE", /* name */ + TRUE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_ABS32, /* 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_C6000_ABS32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_ABS16, /* 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_C6000_ABS16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_ABS8, /* type */ + 0, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 8, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_ABS8", /* name */ + TRUE, /* partial_inplace */ + 0x000000ff, /* src_mask */ + 0x000000ff, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_PCR_S21, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 21, /* bitsize */ + TRUE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PCR_S21", /* name */ + TRUE, /* partial_inplace */ + 0x0fffff80, /* src_mask */ + 0x0fffff80, /* dst_mask */ + TRUE), /* pcrel_offset */ + HOWTO (R_C6000_PCR_S12, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 12, /* bitsize */ + TRUE, /* pc_relative */ + 16, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PCR_S12", /* name */ + TRUE, /* partial_inplace */ + 0x0fff0000, /* src_mask */ + 0x0fff0000, /* dst_mask */ + TRUE), /* pcrel_offset */ + HOWTO (R_C6000_PCR_S10, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 10, /* bitsize */ + TRUE, /* pc_relative */ + 13, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PCR_S10", /* name */ + TRUE, /* partial_inplace */ + 0x007fe000, /* src_mask */ + 0x007fe000, /* dst_mask */ + TRUE), /* pcrel_offset */ + HOWTO (R_C6000_PCR_S7, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 7, /* bitsize */ + TRUE, /* pc_relative */ + 16, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PCR_S7", /* name */ + TRUE, /* partial_inplace */ + 0x007f0000, /* src_mask */ + 0x007f0000, /* dst_mask */ + TRUE), /* pcrel_offset */ + HOWTO (R_C6000_ABS_S16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_ABS_S16", /* name */ + TRUE, /* partial_inplace */ + 0x007fff80, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_ABS_L16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_ABS_L16", /* name */ + TRUE, /* partial_inplace */ + 0x007fff80, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + EMPTY_HOWTO (R_C6000_ABS_H16), + HOWTO (R_C6000_SBR_U15_B, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 15, /* bitsize */ + FALSE, /* pc_relative */ + 8, /* bitpos */ + complain_overflow_unsigned,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_U15_B", /* name */ + TRUE, /* partial_inplace */ + 0x007fff00, /* src_mask */ + 0x007fff00, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_U15_H, /* type */ + 1, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 15, /* bitsize */ + FALSE, /* pc_relative */ + 8, /* bitpos */ + complain_overflow_unsigned,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_U15_H", /* name */ + TRUE, /* partial_inplace */ + 0x007fff00, /* src_mask */ + 0x007fff00, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_U15_W, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 15, /* bitsize */ + FALSE, /* pc_relative */ + 8, /* bitpos */ + complain_overflow_unsigned,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_U15_W", /* name */ + TRUE, /* partial_inplace */ + 0x007fff00, /* src_mask */ + 0x007fff00, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_S16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_signed,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_S16", /* name */ + TRUE, /* partial_inplace */ + 0x007fff80, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_L16_B, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_L16_B", /* name */ + TRUE, /* partial_inplace */ + 0x007fff80, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_L16_H, /* type */ + 1, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_L16_H", /* name */ + TRUE, /* partial_inplace */ + 0x007fff80, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_L16_W, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_L16_W", /* name */ + TRUE, /* partial_inplace */ + 0x007fff80, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + EMPTY_HOWTO (R_C6000_SBR_H16_B), + EMPTY_HOWTO (R_C6000_SBR_H16_H), + EMPTY_HOWTO (R_C6000_SBR_H16_W), + HOWTO (R_C6000_SBR_GOT_U15_W, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 15, /* bitsize */ + FALSE, /* pc_relative */ + 8, /* bitpos */ + complain_overflow_unsigned,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_GOT_U15_W",/* name */ + TRUE, /* partial_inplace */ + 0x007fff00, /* src_mask */ + 0x007fff00, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_SBR_GOT_L16_W, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 7, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_SBR_GOT_L16_W",/* name */ + TRUE, /* partial_inplace */ + 0x007fff80, /* src_mask */ + 0x007fff80, /* dst_mask */ + FALSE), /* pcrel_offset */ + EMPTY_HOWTO (R_C6000_SBR_GOT_H16_W), + HOWTO (R_C6000_DSBT_INDEX, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 15, /* bitsize */ + FALSE, /* pc_relative */ + 8, /* bitpos */ + complain_overflow_unsigned,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_DSBT_INDEX", /* name */ + TRUE, /* partial_inplace */ + 0, /* src_mask */ + 0x007fff00, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_PREL31, /* type */ + 1, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 31, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_C6000_PREL31", /* name */ + TRUE, /* partial_inplace */ + 0, /* src_mask */ + 0x7fffffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + HOWTO (R_C6000_COPY, /* 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_C6000_COPY", /* name */ + TRUE, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_JUMP_SLOT, /* 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_C6000_JUMP_SLOT", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_EHTYPE, /* 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_C6000_EHTYPE", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + EMPTY_HOWTO (R_C6000_PCR_H16), + EMPTY_HOWTO (R_C6000_PCR_L16), + EMPTY_HOWTO (31), + EMPTY_HOWTO (32), + EMPTY_HOWTO (33), + EMPTY_HOWTO (34), + EMPTY_HOWTO (35), + EMPTY_HOWTO (36), + EMPTY_HOWTO (37), + EMPTY_HOWTO (38), + EMPTY_HOWTO (39), + EMPTY_HOWTO (40), + EMPTY_HOWTO (41), + EMPTY_HOWTO (42), + EMPTY_HOWTO (43), + EMPTY_HOWTO (44), + EMPTY_HOWTO (45), + EMPTY_HOWTO (46), + EMPTY_HOWTO (47), + EMPTY_HOWTO (48), + EMPTY_HOWTO (49), + EMPTY_HOWTO (50), + EMPTY_HOWTO (51), + EMPTY_HOWTO (52), + EMPTY_HOWTO (53), + EMPTY_HOWTO (54), + EMPTY_HOWTO (55), + EMPTY_HOWTO (56), + EMPTY_HOWTO (57), + EMPTY_HOWTO (58), + EMPTY_HOWTO (59), + EMPTY_HOWTO (60), + EMPTY_HOWTO (61), + EMPTY_HOWTO (62), + EMPTY_HOWTO (63), + EMPTY_HOWTO (64), + EMPTY_HOWTO (65), + EMPTY_HOWTO (66), + EMPTY_HOWTO (67), + EMPTY_HOWTO (68), + EMPTY_HOWTO (69), + EMPTY_HOWTO (70), + EMPTY_HOWTO (71), + EMPTY_HOWTO (72), + EMPTY_HOWTO (73), + EMPTY_HOWTO (74), + EMPTY_HOWTO (75), + EMPTY_HOWTO (76), + EMPTY_HOWTO (77), + EMPTY_HOWTO (78), + EMPTY_HOWTO (79), + EMPTY_HOWTO (80), + EMPTY_HOWTO (81), + EMPTY_HOWTO (82), + EMPTY_HOWTO (83), + EMPTY_HOWTO (84), + EMPTY_HOWTO (85), + EMPTY_HOWTO (86), + EMPTY_HOWTO (87), + EMPTY_HOWTO (88), + EMPTY_HOWTO (89), + EMPTY_HOWTO (90), + EMPTY_HOWTO (91), + EMPTY_HOWTO (92), + EMPTY_HOWTO (93), + EMPTY_HOWTO (94), + EMPTY_HOWTO (95), + EMPTY_HOWTO (96), + EMPTY_HOWTO (97), + EMPTY_HOWTO (98), + EMPTY_HOWTO (99), + EMPTY_HOWTO (100), + EMPTY_HOWTO (101), + EMPTY_HOWTO (102), + EMPTY_HOWTO (103), + EMPTY_HOWTO (104), + EMPTY_HOWTO (105), + EMPTY_HOWTO (106), + EMPTY_HOWTO (107), + EMPTY_HOWTO (108), + EMPTY_HOWTO (109), + EMPTY_HOWTO (110), + EMPTY_HOWTO (111), + EMPTY_HOWTO (112), + EMPTY_HOWTO (113), + EMPTY_HOWTO (114), + EMPTY_HOWTO (115), + EMPTY_HOWTO (116), + EMPTY_HOWTO (117), + EMPTY_HOWTO (118), + EMPTY_HOWTO (119), + EMPTY_HOWTO (120), + EMPTY_HOWTO (121), + EMPTY_HOWTO (122), + EMPTY_HOWTO (123), + EMPTY_HOWTO (124), + EMPTY_HOWTO (125), + EMPTY_HOWTO (126), + EMPTY_HOWTO (127), + EMPTY_HOWTO (128), + EMPTY_HOWTO (129), + EMPTY_HOWTO (130), + EMPTY_HOWTO (131), + EMPTY_HOWTO (132), + EMPTY_HOWTO (133), + EMPTY_HOWTO (134), + EMPTY_HOWTO (135), + EMPTY_HOWTO (136), + EMPTY_HOWTO (137), + EMPTY_HOWTO (138), + EMPTY_HOWTO (139), + EMPTY_HOWTO (140), + EMPTY_HOWTO (141), + EMPTY_HOWTO (142), + EMPTY_HOWTO (143), + EMPTY_HOWTO (144), + EMPTY_HOWTO (145), + EMPTY_HOWTO (146), + EMPTY_HOWTO (147), + EMPTY_HOWTO (148), + EMPTY_HOWTO (149), + EMPTY_HOWTO (150), + EMPTY_HOWTO (151), + EMPTY_HOWTO (152), + EMPTY_HOWTO (153), + EMPTY_HOWTO (154), + EMPTY_HOWTO (155), + EMPTY_HOWTO (156), + EMPTY_HOWTO (157), + EMPTY_HOWTO (158), + EMPTY_HOWTO (159), + EMPTY_HOWTO (160), + EMPTY_HOWTO (161), + EMPTY_HOWTO (162), + EMPTY_HOWTO (163), + EMPTY_HOWTO (164), + EMPTY_HOWTO (165), + EMPTY_HOWTO (166), + EMPTY_HOWTO (167), + EMPTY_HOWTO (168), + EMPTY_HOWTO (169), + EMPTY_HOWTO (170), + EMPTY_HOWTO (171), + EMPTY_HOWTO (172), + EMPTY_HOWTO (173), + EMPTY_HOWTO (174), + EMPTY_HOWTO (175), + EMPTY_HOWTO (176), + EMPTY_HOWTO (177), + EMPTY_HOWTO (178), + EMPTY_HOWTO (179), + EMPTY_HOWTO (180), + EMPTY_HOWTO (181), + EMPTY_HOWTO (182), + EMPTY_HOWTO (183), + EMPTY_HOWTO (184), + EMPTY_HOWTO (185), + EMPTY_HOWTO (186), + EMPTY_HOWTO (187), + EMPTY_HOWTO (188), + EMPTY_HOWTO (189), + EMPTY_HOWTO (190), + EMPTY_HOWTO (191), + EMPTY_HOWTO (192), + EMPTY_HOWTO (193), + EMPTY_HOWTO (194), + EMPTY_HOWTO (195), + EMPTY_HOWTO (196), + EMPTY_HOWTO (197), + EMPTY_HOWTO (198), + EMPTY_HOWTO (199), + EMPTY_HOWTO (200), + EMPTY_HOWTO (201), + EMPTY_HOWTO (202), + EMPTY_HOWTO (203), + EMPTY_HOWTO (204), + EMPTY_HOWTO (205), + EMPTY_HOWTO (206), + EMPTY_HOWTO (207), + EMPTY_HOWTO (208), + EMPTY_HOWTO (209), + EMPTY_HOWTO (210), + EMPTY_HOWTO (211), + EMPTY_HOWTO (212), + EMPTY_HOWTO (213), + EMPTY_HOWTO (214), + EMPTY_HOWTO (215), + EMPTY_HOWTO (216), + EMPTY_HOWTO (217), + EMPTY_HOWTO (218), + EMPTY_HOWTO (219), + EMPTY_HOWTO (220), + EMPTY_HOWTO (221), + EMPTY_HOWTO (222), + EMPTY_HOWTO (223), + EMPTY_HOWTO (224), + EMPTY_HOWTO (225), + EMPTY_HOWTO (226), + EMPTY_HOWTO (227), + EMPTY_HOWTO (228), + EMPTY_HOWTO (229), + EMPTY_HOWTO (230), + EMPTY_HOWTO (231), + EMPTY_HOWTO (232), + EMPTY_HOWTO (233), + EMPTY_HOWTO (234), + EMPTY_HOWTO (235), + EMPTY_HOWTO (236), + EMPTY_HOWTO (237), + EMPTY_HOWTO (238), + EMPTY_HOWTO (239), + EMPTY_HOWTO (240), + EMPTY_HOWTO (241), + EMPTY_HOWTO (242), + EMPTY_HOWTO (243), + EMPTY_HOWTO (244), + EMPTY_HOWTO (245), + EMPTY_HOWTO (246), + EMPTY_HOWTO (247), + EMPTY_HOWTO (248), + EMPTY_HOWTO (249), + EMPTY_HOWTO (250), + EMPTY_HOWTO (251), + EMPTY_HOWTO (252), + HOWTO (R_C6000_ALIGN, /* 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_C6000_ALIGN", /* name */ + TRUE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_FPHEAD, /* 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_C6000_FPHEAD", /* name */ + TRUE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE), /* pcrel_offset */ + HOWTO (R_C6000_NOCMP, /* 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_C6000_NOCMP", /* name */ + TRUE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE) /* pcrel_offset */ +}; + +/* Map BFD relocations to ELF relocations. */ + +typedef struct +{ + bfd_reloc_code_real_type bfd_reloc_val; + enum elf_tic6x_reloc_type elf_reloc_val; +} tic6x_reloc_map; + +static const tic6x_reloc_map elf32_tic6x_reloc_map[] = + { + { BFD_RELOC_NONE, R_C6000_NONE }, + { BFD_RELOC_32, R_C6000_ABS32 }, + { BFD_RELOC_16, R_C6000_ABS16 }, + { BFD_RELOC_8, R_C6000_ABS8 }, + { BFD_RELOC_C6000_PCR_S21, R_C6000_PCR_S21 }, + { BFD_RELOC_C6000_PCR_S12, R_C6000_PCR_S12 }, + { BFD_RELOC_C6000_PCR_S10, R_C6000_PCR_S10 }, + { BFD_RELOC_C6000_PCR_S7, R_C6000_PCR_S7 }, + { BFD_RELOC_C6000_ABS_S16, R_C6000_ABS_S16 }, + { BFD_RELOC_C6000_ABS_L16, R_C6000_ABS_L16 }, + { BFD_RELOC_C6000_ABS_H16, R_C6000_ABS_H16 }, + { BFD_RELOC_C6000_SBR_U15_B, R_C6000_SBR_U15_B }, + { BFD_RELOC_C6000_SBR_U15_H, R_C6000_SBR_U15_H }, + { BFD_RELOC_C6000_SBR_U15_W, R_C6000_SBR_U15_W }, + { BFD_RELOC_C6000_SBR_S16, R_C6000_SBR_S16 }, + { BFD_RELOC_C6000_SBR_L16_B, R_C6000_SBR_L16_B }, + { BFD_RELOC_C6000_SBR_L16_H, R_C6000_SBR_L16_H }, + { BFD_RELOC_C6000_SBR_L16_W, R_C6000_SBR_L16_W }, + { BFD_RELOC_C6000_SBR_H16_B, R_C6000_SBR_H16_B }, + { BFD_RELOC_C6000_SBR_H16_H, R_C6000_SBR_H16_H }, + { BFD_RELOC_C6000_SBR_H16_W, R_C6000_SBR_H16_W }, + { BFD_RELOC_C6000_SBR_GOT_U15_W, R_C6000_SBR_GOT_U15_W }, + { BFD_RELOC_C6000_SBR_GOT_L16_W, R_C6000_SBR_GOT_L16_W }, + { BFD_RELOC_C6000_SBR_GOT_H16_W, R_C6000_SBR_GOT_H16_W }, + { BFD_RELOC_C6000_DSBT_INDEX, R_C6000_DSBT_INDEX }, + { BFD_RELOC_C6000_PREL31, R_C6000_PREL31 }, + { BFD_RELOC_C6000_COPY, R_C6000_COPY }, + { BFD_RELOC_C6000_JUMP_SLOT, R_C6000_JUMP_SLOT }, + { BFD_RELOC_C6000_EHTYPE, R_C6000_EHTYPE }, + { BFD_RELOC_C6000_PCR_H16, R_C6000_PCR_H16 }, + { BFD_RELOC_C6000_PCR_L16, R_C6000_PCR_L16 }, + { BFD_RELOC_C6000_ALIGN, R_C6000_ALIGN }, + { BFD_RELOC_C6000_FPHEAD, R_C6000_FPHEAD }, + { BFD_RELOC_C6000_NOCMP, R_C6000_NOCMP } + }; + +static reloc_howto_type * +elf32_tic6x_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE (elf32_tic6x_reloc_map); i++) + if (elf32_tic6x_reloc_map[i].bfd_reloc_val == code) + { + enum elf_tic6x_reloc_type elf_reloc_val; + reloc_howto_type *howto; + + elf_reloc_val = elf32_tic6x_reloc_map[i].elf_reloc_val; + if (elf32_tic6x_tdata (abfd)->use_rela_p) + howto = &elf32_tic6x_howto_table[elf_reloc_val]; + else + howto = &elf32_tic6x_howto_table_rel[elf_reloc_val]; + + /* Some relocations are RELA-only; do not return them for + REL. */ + if (howto->name == NULL) + howto = NULL; + + return howto; + } + + return NULL; +} + +static reloc_howto_type * +elf32_tic6x_reloc_name_lookup (bfd *abfd, const char *r_name) +{ + if (elf32_tic6x_tdata (abfd)->use_rela_p) + { + unsigned int i; + + for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table); i++) + if (elf32_tic6x_howto_table[i].name != NULL + && strcasecmp (elf32_tic6x_howto_table[i].name, r_name) == 0) + return &elf32_tic6x_howto_table[i]; + } + else + { + unsigned int i; + + for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table_rel); i++) + if (elf32_tic6x_howto_table_rel[i].name != NULL + && strcasecmp (elf32_tic6x_howto_table_rel[i].name, r_name) == 0) + return &elf32_tic6x_howto_table_rel[i]; + } + + return NULL; +} + +static void +elf32_tic6x_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc, + Elf_Internal_Rela *elf_reloc) +{ + unsigned int r_type; + + r_type = ELF32_R_TYPE (elf_reloc->r_info); + if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table)) + bfd_reloc->howto = NULL; + else + bfd_reloc->howto = &elf32_tic6x_howto_table[r_type]; +} + +static void +elf32_tic6x_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc, + Elf_Internal_Rela *elf_reloc) +{ + unsigned int r_type; + + r_type = ELF32_R_TYPE (elf_reloc->r_info); + if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table_rel)) + bfd_reloc->howto = NULL; + else + bfd_reloc->howto = &elf32_tic6x_howto_table_rel[r_type]; +} + +void +elf32_tic6x_set_use_rela_p (bfd *abfd, bfd_boolean use_rela_p) +{ + elf32_tic6x_tdata (abfd)->use_rela_p = use_rela_p; +} + +/* Create an entry in a C6X ELF linker hash table. */ + +static struct bfd_hash_entry * +elf32_tic6x_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 elf32_tic6x_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 elf32_tic6x_link_hash_entry *eh; + + eh = (struct elf32_tic6x_link_hash_entry *) entry; + eh->dyn_relocs = NULL; + } + + return entry; +} + +/* Create a C6X ELF linker hash table. */ + +static struct bfd_link_hash_table * +elf32_tic6x_link_hash_table_create (bfd *abfd) +{ + struct elf32_tic6x_link_hash_table *ret; + bfd_size_type amt = sizeof (struct elf32_tic6x_link_hash_table); + + ret = bfd_zmalloc (amt); + if (ret == NULL) + return NULL; + + if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, + elf32_tic6x_link_hash_newfunc, + sizeof (struct elf32_tic6x_link_hash_entry), + TIC6X_ELF_DATA)) + { + free (ret); + return NULL; + } + + ret->obfd = abfd; + ret->elf.is_relocatable_executable = 1; + + return &ret->elf.root; +} + +static bfd_boolean +elf32_tic6x_final_link (bfd *abfd, struct bfd_link_info *info) +{ + if (info->shared) + { + obj_attribute *out_attr; + out_attr = elf_known_obj_attributes_proc (abfd); + if (out_attr[Tag_ABI_PIC].i == 0) + { + _bfd_error_handler (_("warning: generating a shared library " + "containing non-PIC code")); + } + if (out_attr[Tag_ABI_PID].i == 0) + { + _bfd_error_handler (_("warning: generating a shared library " + "containing non-PID code")); + } + } + /* Invoke the regular ELF backend linker to do all the work. */ + if (!bfd_elf_final_link (abfd, info)) + return FALSE; + + return TRUE; +} + +/* Called to pass PARAMS to the backend. We store them in the hash table + associated with INFO. */ + +void +elf32_tic6x_setup (struct bfd_link_info *info, + struct elf32_tic6x_params *params) +{ + struct elf32_tic6x_link_hash_table *htab = elf32_tic6x_hash_table (info); + htab->params = *params; +} + +/* Determine if we're dealing with a DSBT object. */ + +static bfd_boolean +elf32_tic6x_using_dsbt (bfd *abfd) +{ + return bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC, + Tag_ABI_DSBT); +} + +/* Create .plt, .rela.plt, .got, .got.plt, .rela.got and .dsbt + sections in DYNOBJ, and set up shortcuts to them in our hash + table. */ + +static bfd_boolean +elf32_tic6x_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info) +{ + struct elf32_tic6x_link_hash_table *htab; + flagword flags; + + htab = elf32_tic6x_hash_table (info); + if (htab == NULL) + return FALSE; + + if (!_bfd_elf_create_dynamic_sections (dynobj, info)) + return FALSE; + + /* Create .dsbt */ + flags = (SEC_ALLOC | SEC_LOAD + | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED); + htab->dsbt = bfd_make_section_anyway_with_flags (dynobj, ".dsbt", + flags); + if (htab->dsbt == NULL + || ! bfd_set_section_alignment (dynobj, htab->dsbt, 2) + || ! bfd_set_section_alignment (dynobj, htab->elf.splt, 5)) + return FALSE; + + htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss"); + if (!info->shared) + htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss"); + + if (!htab->sdynbss + || (!info->shared && !htab->srelbss)) + abort (); + + return TRUE; +} + +static bfd_boolean +elf32_tic6x_mkobject (bfd *abfd) +{ + bfd_boolean ret; + + ret = bfd_elf_allocate_object (abfd, sizeof (struct elf32_tic6x_obj_tdata), + TIC6X_ELF_DATA); + if (ret) + elf32_tic6x_set_use_rela_p (abfd, TRUE); + return ret; +} + +/* Install relocation RELA into section SRELA, incrementing its + reloc_count. */ + +static void +elf32_tic6x_install_rela (bfd *output_bfd, asection *srela, + Elf_Internal_Rela *rela) +{ + bfd_byte *loc; + bfd_vma off = srela->reloc_count++ * sizeof (Elf32_External_Rela); + loc = srela->contents + off; + BFD_ASSERT (off < srela->size); + bfd_elf32_swap_reloca_out (output_bfd, rela, loc); +} + +/* Create a dynamic reloc against the GOT at offset OFFSET. The contents + of the GOT at this offset have been initialized with the relocation. */ + +static void +elf32_tic6x_make_got_dynreloc (bfd *output_bfd, + struct elf32_tic6x_link_hash_table *htab, + asection *sym_sec, bfd_vma offset) +{ + asection *sgot = htab->elf.sgot; + Elf_Internal_Rela outrel; + int dynindx; + + outrel.r_offset = sgot->output_section->vma + sgot->output_offset + offset; + outrel.r_addend = bfd_get_32 (output_bfd, sgot->contents + offset); + if (sym_sec && sym_sec->output_section + && ! bfd_is_abs_section (sym_sec->output_section) + && ! bfd_is_und_section (sym_sec->output_section)) + { + dynindx = elf_section_data (sym_sec->output_section)->dynindx; + outrel.r_addend -= sym_sec->output_section->vma; + } + else + { + dynindx = 0; + } + outrel.r_info = ELF32_R_INFO (dynindx, R_C6000_ABS32); + elf32_tic6x_install_rela (output_bfd, htab->elf.srelgot, &outrel); +} + +/* Finish up dynamic symbol handling. We set the contents of various + dynamic sections here. */ + +static bfd_boolean +elf32_tic6x_finish_dynamic_symbol (bfd * output_bfd, + struct bfd_link_info *info, + struct elf_link_hash_entry *h, + Elf_Internal_Sym * sym) +{ + bfd *dynobj; + struct elf32_tic6x_link_hash_table *htab; + + htab = elf32_tic6x_hash_table (info); + dynobj = htab->elf.dynobj; + + if (h->plt.offset != (bfd_vma) -1) + { + bfd_vma plt_index; + bfd_vma got_section_offset, got_dp_offset, rela_offset; + Elf_Internal_Rela rela; + bfd_byte *loc; + asection *plt, *gotplt, *relplt; + const struct elf_backend_data *bed; + + bed = get_elf_backend_data (output_bfd); + + BFD_ASSERT (htab->elf.splt != NULL); + plt = htab->elf.splt; + gotplt = htab->elf.sgotplt; + relplt = htab->elf.srelplt; + + /* This symbol has an entry in the procedure linkage table. Set + it up. */ + + if ((h->dynindx == -1 + && !((h->forced_local || info->executable) + && h->def_regular + && h->type == STT_GNU_IFUNC)) + || plt == NULL + || gotplt == NULL + || relplt == NULL) + abort (); + + /* Get the index in the procedure linkage table which + corresponds to this symbol. This is the index of this symbol + in all the symbols for which we are making plt entries. The + first entry in the procedure linkage table is reserved. + + Get the offset into the .got table of the entry that + corresponds to this function. Each .got entry is 4 bytes. + The first three are reserved. + + For static executables, we don't reserve anything. */ + + plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; + got_section_offset = plt_index + bed->got_header_size / 4; + got_dp_offset = got_section_offset + htab->params.dsbt_size; + rela_offset = plt_index * sizeof (Elf32_External_Rela); + + got_section_offset *= 4; + + /* Fill in the entry in the procedure linkage table. */ + + /* ldw .d2t2 *+B14($GOT(f)), b2 */ + bfd_put_32 (output_bfd, got_dp_offset << 8 | 0x0100006e, + plt->contents + h->plt.offset); + /* mvk .s2 low(rela_offset), b0 */ + bfd_put_32 (output_bfd, (rela_offset & 0xffff) << 7 | 0x0000002a, + plt->contents + h->plt.offset + 4); + /* mvkh .s2 high(rela_offset), b0 */ + bfd_put_32 (output_bfd, ((rela_offset >> 16) & 0xffff) << 7 | 0x0000006a, + plt->contents + h->plt.offset + 8); + /* nop 2 */ + bfd_put_32 (output_bfd, 0x00002000, + plt->contents + h->plt.offset + 12); + /* b .s2 b2 */ + bfd_put_32 (output_bfd, 0x00080362, + plt->contents + h->plt.offset + 16); + /* nop 5 */ + bfd_put_32 (output_bfd, 0x00008000, + plt->contents + h->plt.offset + 20); + + /* Fill in the entry in the global offset table. */ + bfd_put_32 (output_bfd, + (plt->output_section->vma + plt->output_offset), + gotplt->contents + got_section_offset); + + /* Fill in the entry in the .rel.plt section. */ + rela.r_offset = (gotplt->output_section->vma + + gotplt->output_offset + + got_section_offset); + rela.r_info = ELF32_R_INFO (h->dynindx, R_C6000_JUMP_SLOT); + rela.r_addend = 0; + loc = relplt->contents + rela_offset; + bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); + + if (!h->def_regular) + { + /* Mark the symbol as undefined, rather than as defined in + the .plt section. */ + sym->st_shndx = SHN_UNDEF; + sym->st_value = 0; + } + } + + if (h->got.offset != (bfd_vma) -1) + { + asection *sgot; + asection *srela; + + /* This symbol has an entry in the global offset table. + Set it up. */ + + sgot = bfd_get_linker_section (dynobj, ".got"); + srela = bfd_get_linker_section (dynobj, ".rela.got"); + BFD_ASSERT (sgot != NULL && srela != NULL); + + /* 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->forced_local) && h->def_regular) + { + asection *s = h->root.u.def.section; + elf32_tic6x_make_got_dynreloc (output_bfd, htab, s, + h->got.offset & ~(bfd_vma) 1); + } + else + { + Elf_Internal_Rela outrel; + bfd_put_32 (output_bfd, (bfd_vma) 0, + sgot->contents + (h->got.offset & ~(bfd_vma) 1)); + outrel.r_offset = (sgot->output_section->vma + + sgot->output_offset + + (h->got.offset & ~(bfd_vma) 1)); + outrel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_ABS32); + outrel.r_addend = 0; + + elf32_tic6x_install_rela (output_bfd, srela, &outrel); + } + } + + if (h->needs_copy) + { + Elf_Internal_Rela rel; + + /* This symbol needs a copy reloc. Set it up. */ + + if (h->dynindx == -1 + || (h->root.type != bfd_link_hash_defined + && h->root.type != bfd_link_hash_defweak) + || htab->srelbss == NULL) + abort (); + + rel.r_offset = (h->root.u.def.value + + h->root.u.def.section->output_section->vma + + h->root.u.def.section->output_offset); + rel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_COPY); + rel.r_addend = 0; + + elf32_tic6x_install_rela (output_bfd, htab->srelbss, &rel); + } + + /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ + if (h == elf_hash_table (info)->hdynamic + || h == elf_hash_table (info)->hgot) + sym->st_shndx = SHN_ABS; + + return TRUE; +} + +/* Unwinding tables are not referenced directly. This pass marks them as + required if the corresponding code section is marked. */ + +static bfd_boolean +elf32_tic6x_gc_mark_extra_sections (struct bfd_link_info *info, + elf_gc_mark_hook_fn gc_mark_hook) +{ + bfd *sub; + Elf_Internal_Shdr **elf_shdrp; + bfd_boolean again; + + _bfd_elf_gc_mark_extra_sections (info, gc_mark_hook); + + /* Marking EH data may cause additional code sections to be marked, + requiring multiple passes. */ + again = TRUE; + while (again) + { + again = FALSE; + for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) + { + asection *o; + + if (! is_tic6x_elf (sub)) + continue; + + elf_shdrp = elf_elfsections (sub); + for (o = sub->sections; o != NULL; o = o->next) + { + Elf_Internal_Shdr *hdr; + + hdr = &elf_section_data (o)->this_hdr; + if (hdr->sh_type == SHT_C6000_UNWIND + && hdr->sh_link + && hdr->sh_link < elf_numsections (sub) + && !o->gc_mark + && elf_shdrp[hdr->sh_link]->bfd_section->gc_mark) + { + again = TRUE; + if (!_bfd_elf_gc_mark (info, o, gc_mark_hook)) + return FALSE; + } + } + } + } + + return TRUE; +} + +/* Return TRUE if this is an unwinding table index. */ + +static bfd_boolean +is_tic6x_elf_unwind_section_name (const char *name) +{ + return (CONST_STRNEQ (name, ELF_STRING_C6000_unwind) + || CONST_STRNEQ (name, ELF_STRING_C6000_unwind_once)); +} + + +/* Set the type and flags for an unwinding index table. We do this by + the section name, which is a hack, but ought to work. */ + +static bfd_boolean +elf32_tic6x_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, + Elf_Internal_Shdr *hdr, asection *sec) +{ + const char * name; + + name = bfd_get_section_name (abfd, sec); + + if (is_tic6x_elf_unwind_section_name (name)) + { + hdr->sh_type = SHT_C6000_UNWIND; + hdr->sh_flags |= SHF_LINK_ORDER; + } + + return TRUE; +} + +/* Update the got entry reference counts for the section being removed. */ + +static bfd_boolean +elf32_tic6x_gc_sweep_hook (bfd *abfd, + struct bfd_link_info *info, + asection *sec, + const Elf_Internal_Rela *relocs) +{ + struct elf32_tic6x_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; + + htab = elf32_tic6x_hash_table (info); + if (htab == NULL) + return FALSE; + + elf_section_data (sec)->local_dynrel = 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 = ELF32_R_SYM (rel->r_info); + if (r_symndx >= symtab_hdr->sh_info) + { + struct elf32_tic6x_link_hash_entry *eh; + struct elf_dyn_relocs **pp; + struct 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 elf32_tic6x_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 = ELF32_R_TYPE (rel->r_info); + + switch (r_type) + { + case R_C6000_SBR_GOT_U15_W: + case R_C6000_SBR_GOT_L16_W: + case R_C6000_SBR_GOT_H16_W: + case R_C6000_EHTYPE: + if (h != NULL) + { + if (h->got.refcount > 0) + h->got.refcount -= 1; + } + else if (local_got_refcounts != NULL) + { + if (local_got_refcounts[r_symndx] > 0) + local_got_refcounts[r_symndx] -= 1; + } + 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. */ + +static bfd_boolean +elf32_tic6x_adjust_dynamic_symbol (struct bfd_link_info *info, + struct elf_link_hash_entry *h) +{ + struct elf32_tic6x_link_hash_table *htab; + bfd *dynobj; + asection *s; + + dynobj = elf_hash_table (info)->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, + when we know the address of the .got section. */ + 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 PLT32 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 PC32 reloc instead. */ + h->plt.offset = (bfd_vma) -1; + h->needs_plt = 0; + } + + return TRUE; + } + + /* 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; + h->non_got_ref = h->u.weakdef->non_got_ref; + 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; + } + + htab = elf32_tic6x_hash_table (info); + if (htab == NULL) + return FALSE; + + /* 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_C6000_COPY reloc to tell the dynamic linker to + copy the initial value out of the dynamic object and into the + runtime process image. */ + if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) + { + htab->srelbss->size += sizeof (Elf32_External_Rela); + h->needs_copy = 1; + } + + s = htab->sdynbss; + + return _bfd_elf_adjust_dynamic_copy (h, s); +} + +static bfd_boolean +elf32_tic6x_new_section_hook (bfd *abfd, asection *sec) +{ + bfd_boolean ret; + + /* Allocate target specific section data. */ + if (!sec->used_by_bfd) + { + _tic6x_elf_section_data *sdata; + bfd_size_type amt = sizeof (*sdata); + + sdata = (_tic6x_elf_section_data *) bfd_zalloc (abfd, amt); + if (sdata == NULL) + return FALSE; + sec->used_by_bfd = sdata; + } + + ret = _bfd_elf_new_section_hook (abfd, sec); + sec->use_rela_p = elf32_tic6x_tdata (abfd)->use_rela_p; + + return ret; +} + +/* Return true if relocation REL against section SEC is a REL rather + than RELA relocation. RELOCS is the first relocation in the + section and ABFD is the bfd that contains SEC. */ + +static bfd_boolean +elf32_tic6x_rel_relocation_p (bfd *abfd, asection *sec, + const Elf_Internal_Rela *relocs, + const Elf_Internal_Rela *rel) +{ + Elf_Internal_Shdr *rel_hdr; + const struct elf_backend_data *bed; + + /* To determine which flavor of relocation this is, we depend on the + fact that the INPUT_SECTION's REL_HDR is read before RELA_HDR. */ + rel_hdr = elf_section_data (sec)->rel.hdr; + if (rel_hdr == NULL) + return FALSE; + bed = get_elf_backend_data (abfd); + return ((size_t) (rel - relocs) + < NUM_SHDR_ENTRIES (rel_hdr) * bed->s->int_rels_per_ext_rel); +} + +/* We need dynamic symbols for every section, since segments can + relocate independently. */ +static bfd_boolean +elf32_tic6x_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED, + struct bfd_link_info *info ATTRIBUTE_UNUSED, + asection *p) +{ + switch (elf_section_data (p)->this_hdr.sh_type) + { + case SHT_PROGBITS: + case SHT_NOBITS: + /* If sh_type is yet undecided, assume it could be + SHT_PROGBITS/SHT_NOBITS. */ + case SHT_NULL: + return FALSE; + + /* There shouldn't be section relative relocations + against any other section. */ + default: + return TRUE; + } +} + +static bfd_boolean +elf32_tic6x_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 elf32_tic6x_link_hash_table *htab; + Elf_Internal_Shdr *symtab_hdr; + struct elf_link_hash_entry **sym_hashes; + bfd_vma *local_got_offsets; + Elf_Internal_Rela *rel; + Elf_Internal_Rela *relend; + bfd_boolean ok = TRUE; + + htab = elf32_tic6x_hash_table (info); + symtab_hdr = & elf_symtab_hdr (input_bfd); + sym_hashes = elf_sym_hashes (input_bfd); + local_got_offsets = elf_local_got_offsets (input_bfd); + + relend = relocs + input_section->reloc_count; + + for (rel = relocs; rel < relend; rel ++) + { + int r_type; + unsigned long r_symndx; + arelent bfd_reloc; + reloc_howto_type *howto; + Elf_Internal_Sym *sym; + asection *sec; + struct elf_link_hash_entry *h; + bfd_vma off, off2, relocation; + bfd_boolean unresolved_reloc; + bfd_reloc_status_type r; + struct bfd_link_hash_entry *sbh; + bfd_boolean is_rel; + + r_type = ELF32_R_TYPE (rel->r_info); + r_symndx = ELF32_R_SYM (rel->r_info); + + is_rel = elf32_tic6x_rel_relocation_p (input_bfd, input_section, + relocs, rel); + + if (is_rel) + elf32_tic6x_info_to_howto_rel (input_bfd, &bfd_reloc, rel); + else + elf32_tic6x_info_to_howto (input_bfd, &bfd_reloc, rel); + howto = bfd_reloc.howto; + if (howto == NULL) + { + bfd_set_error (bfd_error_bad_value); + return FALSE; + } + + 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 (sec != NULL && discarded_section (sec)) + RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, + rel, 1, relend, howto, 0, contents); + + if (info->relocatable) + { + if (is_rel + && sym != NULL + && ELF_ST_TYPE (sym->st_info) == STT_SECTION) + { + rel->r_addend = 0; + relocation = sec->output_offset + sym->st_value; + r = _bfd_relocate_contents (howto, input_bfd, relocation, + contents + rel->r_offset); + goto done_reloc; + } + continue; + } + + switch (r_type) + { + case R_C6000_NONE: + case R_C6000_ALIGN: + case R_C6000_FPHEAD: + case R_C6000_NOCMP: + /* No action needed. */ + continue; + + case R_C6000_PCR_S21: + /* A branch to an undefined weak symbol is turned into a + "b .s2 B3" instruction if the existing insn is of the + form "b .s2 symbol". */ + if (h ? h->root.type == bfd_link_hash_undefweak + && (htab->elf.splt == NULL || h->plt.offset == (bfd_vma) -1) + : r_symndx != STN_UNDEF && bfd_is_und_section (sec)) + { + unsigned long oldval; + oldval = bfd_get_32 (input_bfd, contents + rel->r_offset); + + if ((oldval & 0x7e) == 0x12) + { + oldval &= 0xF0000001; + bfd_put_32 (input_bfd, oldval | 0x000c0362, + contents + rel->r_offset); + r = bfd_reloc_ok; + goto done_reloc; + } + } + + case R_C6000_PCR_S12: + case R_C6000_PCR_S10: + case R_C6000_PCR_S7: + if (h != NULL + && h->plt.offset != (bfd_vma) -1 + && htab->elf.splt != NULL) + { + relocation = (htab->elf.splt->output_section->vma + + htab->elf.splt->output_offset + + h->plt.offset); + } + + /* Generic PC-relative handling produces a value relative to + the exact location of the relocation. Adjust it to be + relative to the start of the fetch packet instead. */ + relocation += (input_section->output_section->vma + + input_section->output_offset + + rel->r_offset) & 0x1f; + unresolved_reloc = FALSE; + break; + + case R_C6000_PCR_H16: + case R_C6000_PCR_L16: + off = (input_section->output_section->vma + + input_section->output_offset + + rel->r_offset); + /* These must be calculated as R = S - FP(FP(PC) - A). + PC, here, is the value we just computed in OFF. RELOCATION + has the address of S + A. */ + relocation -= rel->r_addend; + off2 = ((off & ~(bfd_vma)0x1f) - rel->r_addend) & (bfd_vma)~0x1f; + off2 = relocation - off2; + relocation = off + off2; + break; + + case R_C6000_DSBT_INDEX: + relocation = elf32_tic6x_hash_table (info)->params.dsbt_index; + if (!info->shared || relocation != 0) + break; + + /* fall through */ + case R_C6000_ABS32: + case R_C6000_ABS16: + case R_C6000_ABS8: + case R_C6000_ABS_S16: + case R_C6000_ABS_L16: + case R_C6000_ABS_H16: + /* When generating a shared object or relocatable executable, these + relocations are copied into the output file to be resolved at + run time. */ + if ((info->shared || elf32_tic6x_using_dsbt (output_bfd)) + && (input_section->flags & SEC_ALLOC) + && (h == NULL + || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT + || h->root.type != bfd_link_hash_undefweak)) + { + Elf_Internal_Rela outrel; + bfd_boolean skip, relocate; + asection *sreloc; + + unresolved_reloc = FALSE; + + sreloc = elf_section_data (input_section)->sreloc; + BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL); + + skip = FALSE; + relocate = 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); + + if (skip) + memset (&outrel, 0, sizeof outrel); + else if (h != NULL + && h->dynindx != -1 + && (!info->shared + || !info->symbolic + || !h->def_regular)) + { + outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); + outrel.r_addend = rel->r_addend; + } + else + { + long indx; + + outrel.r_addend = relocation + rel->r_addend; + + 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; + + osec = sec->output_section; + indx = elf_section_data (osec)->dynindx; + outrel.r_addend -= osec->vma; + BFD_ASSERT (indx != 0); + } + + outrel.r_info = ELF32_R_INFO (indx, r_type); + } + + elf32_tic6x_install_rela (output_bfd, sreloc, &outrel); + + /* If this reloc is against an external symbol, we do not want to + fiddle with the addend. Otherwise, we need to include the symbol + value so that it becomes an addend for the dynamic reloc. */ + if (! relocate) + continue; + } + + /* Generic logic OK. */ + break; + + case R_C6000_SBR_U15_B: + case R_C6000_SBR_U15_H: + case R_C6000_SBR_U15_W: + case R_C6000_SBR_S16: + case R_C6000_SBR_L16_B: + case R_C6000_SBR_L16_H: + case R_C6000_SBR_L16_W: + case R_C6000_SBR_H16_B: + case R_C6000_SBR_H16_H: + case R_C6000_SBR_H16_W: + sbh = bfd_link_hash_lookup (info->hash, "__c6xabi_DSBT_BASE", + FALSE, FALSE, TRUE); + if (sbh != NULL + && (sbh->type == bfd_link_hash_defined + || sbh->type == bfd_link_hash_defweak)) + { + if (h ? (h->root.type == bfd_link_hash_undefweak + && (htab->elf.splt == NULL + || h->plt.offset == (bfd_vma) -1)) + : r_symndx != STN_UNDEF && bfd_is_und_section (sec)) + relocation = 0; + else + relocation -= (sbh->u.def.value + + sbh->u.def.section->output_section->vma + + sbh->u.def.section->output_offset); + } + else + { + (*_bfd_error_handler) (_("%B: SB-relative relocation but " + "__c6xabi_DSBT_BASE not defined"), + input_bfd); + ok = FALSE; + continue; + } + break; + + case R_C6000_SBR_GOT_U15_W: + case R_C6000_SBR_GOT_L16_W: + case R_C6000_SBR_GOT_H16_W: + case R_C6000_EHTYPE: + /* 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; + dyn = htab->elf.dynamic_sections_created; + if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) + || (info->shared + && SYMBOL_REFERENCES_LOCAL (info, h)) + || (ELF_ST_VISIBILITY (h->other) + && h->root.type == bfd_link_hash_undefweak)) + { + /* 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 4, we use the + least significant bit to record whether we have + initialized it already. + + When doing a dynamic link, we create a .rel.got + relocation entry to initialize the value. This + is done in the finish_dynamic_symbol routine. */ + if ((off & 1) != 0) + off &= ~1; + else + { + bfd_put_32 (output_bfd, relocation, + htab->elf.sgot->contents + off); + h->got.offset |= 1; + + if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, + h) + && !(ELF_ST_VISIBILITY (h->other) + && h->root.type == bfd_link_hash_undefweak)) + elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, + off); + } + } + else + unresolved_reloc = FALSE; + } + else + { + if (local_got_offsets == NULL) + abort (); + + off = local_got_offsets[r_symndx]; + + /* The offset must always be a multiple of 4. We use + the least significant bit to record whether we have + already generated the necessary reloc. */ + if ((off & 1) != 0) + off &= ~1; + else + { + bfd_put_32 (output_bfd, relocation, + htab->elf.sgot->contents + off); + + if (info->shared || elf32_tic6x_using_dsbt (output_bfd)) + elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, off); + + local_got_offsets[r_symndx] |= 1; + } + } + + if (off >= (bfd_vma) -2) + abort (); + + if (htab->dsbt) + relocation = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off + - htab->dsbt->output_section->vma + - htab->dsbt->output_offset); + else + relocation = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off + - htab->elf.sgotplt->output_section->vma + - htab->elf.sgotplt->output_offset); + + if (rel->r_addend != 0) + { + /* We can't do anything for a relocation which is against + a symbol *plus offset*. GOT holds relocations for + symbols. Make this an error; the compiler isn't + allowed to pass us these kinds of things. */ + if (h == NULL) + (*_bfd_error_handler) + (_("%B, section %A: relocation %s with non-zero addend %d" + " against local symbol"), + input_bfd, + input_section, + elf32_tic6x_howto_table[r_type].name, + rel->r_addend); + else + (*_bfd_error_handler) + (_("%B, section %A: relocation %s with non-zero addend %d" + " against symbol `%s'"), + input_bfd, + input_section, + elf32_tic6x_howto_table[r_type].name, + rel->r_addend, + h->root.root.string[0] != '\0' ? h->root.root.string + : _("[whose name is lost]")); + + bfd_set_error (bfd_error_bad_value); + return FALSE; + } + break; + + case R_C6000_PREL31: + if (h != NULL + && h->plt.offset != (bfd_vma) -1 + && htab->elf.splt != NULL) + { + relocation = (htab->elf.splt->output_section->vma + + htab->elf.splt->output_offset + + h->plt.offset); + } + break; + + case R_C6000_COPY: + /* Invalid in relocatable object. */ + default: + /* Unknown relocation. */ + (*_bfd_error_handler) (_("%B: invalid relocation type %d"), + input_bfd, r_type); + ok = FALSE; + continue; + } + + r = _bfd_final_link_relocate (howto, input_bfd, input_section, + contents, rel->r_offset, + relocation, rel->r_addend); + + done_reloc: + if (r == bfd_reloc_ok + && howto->complain_on_overflow == complain_overflow_bitfield) + { + /* Generic overflow handling accepts cases the ABI says + should be rejected for R_C6000_ABS16 and + R_C6000_ABS8. */ + bfd_vma value = (relocation + rel->r_addend) & 0xffffffff; + bfd_vma sbit = 1 << (howto->bitsize - 1); + bfd_vma sbits = (-(bfd_vma) sbit) & 0xffffffff; + bfd_vma value_sbits = value & sbits; + + if (value_sbits != 0 + && value_sbits != sbit + && value_sbits != sbits) + r = bfd_reloc_overflow; + } + + if (r != bfd_reloc_ok) + { + const char *name; + const char *error_message; + + 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) + return FALSE; + if (*name == '\0') + name = bfd_section_name (input_bfd, sec); + } + + switch (r) + { + case bfd_reloc_overflow: + /* If the overflowing reloc was to an undefined symbol, + we have already printed one error message and there + is no point complaining again. */ + if ((! h || + h->root.type != bfd_link_hash_undefined) + && (!((*info->callbacks->reloc_overflow) + (info, (h ? &h->root : NULL), name, howto->name, + (bfd_vma) 0, input_bfd, input_section, + rel->r_offset)))) + return FALSE; + break; + + case bfd_reloc_undefined: + if (!((*info->callbacks->undefined_symbol) + (info, name, input_bfd, input_section, + rel->r_offset, TRUE))) + return FALSE; + break; + + case bfd_reloc_outofrange: + error_message = _("out of range"); + goto common_error; + + case bfd_reloc_notsupported: + error_message = _("unsupported relocation"); + goto common_error; + + case bfd_reloc_dangerous: + error_message = _("dangerous relocation"); + goto common_error; + + default: + error_message = _("unknown error"); + /* Fall through. */ + + common_error: + BFD_ASSERT (error_message != NULL); + if (!((*info->callbacks->reloc_dangerous) + (info, error_message, input_bfd, input_section, + rel->r_offset))) + return FALSE; + break; + } + } + } + + return ok; +} + + +/* Look through the relocs for a section during the first phase, and + calculate needed space in the global offset table, procedure linkage + table, and dynamic reloc sections. */ + +static bfd_boolean +elf32_tic6x_check_relocs (bfd *abfd, struct bfd_link_info *info, + asection *sec, const Elf_Internal_Rela *relocs) +{ + struct elf32_tic6x_link_hash_table *htab; + Elf_Internal_Shdr *symtab_hdr; + struct elf_link_hash_entry **sym_hashes; + const Elf_Internal_Rela *rel; + const Elf_Internal_Rela *rel_end; + asection *sreloc; + + if (info->relocatable) + return TRUE; + + htab = elf32_tic6x_hash_table (info); + symtab_hdr = &elf_symtab_hdr (abfd); + sym_hashes = elf_sym_hashes (abfd); + + /* Create dynamic sections for relocatable executables so that we can + copy relocations. */ + if ((info->shared || elf32_tic6x_using_dsbt (abfd)) + && ! htab->elf.dynamic_sections_created) + { + if (! _bfd_elf_link_create_dynamic_sections (abfd, info)) + return FALSE; + } + + sreloc = NULL; + + rel_end = relocs + sec->reloc_count; + for (rel = relocs; rel < rel_end; rel++) + { + unsigned int r_type; + unsigned long r_symndx; + struct elf_link_hash_entry *h; + Elf_Internal_Sym *isym; + + r_symndx = ELF32_R_SYM (rel->r_info); + r_type = ELF32_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) + { + /* A local symbol. */ + isym = bfd_sym_from_r_symndx (&htab->sym_cache, + abfd, r_symndx); + if (isym == NULL) + return FALSE; + h = NULL; + } + else + { + isym = NULL; + 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; + + /* PR15323, ref flags aren't set for references in the same + object. */ + h->root.non_ir_ref = 1; + } + + switch (r_type) + { + case R_C6000_PCR_S21: + case R_C6000_PREL31: + /* 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 which is + never referenced by a dynamic object, in which case we + don't need to generate a procedure linkage table entry + after all. */ + + /* If this is a local symbol, we resolve it directly without + creating a procedure linkage table entry. */ + if (h == NULL) + continue; + + h->needs_plt = 1; + h->plt.refcount += 1; + break; + + case R_C6000_SBR_GOT_U15_W: + case R_C6000_SBR_GOT_L16_W: + case R_C6000_SBR_GOT_H16_W: + case R_C6000_EHTYPE: + /* This symbol requires a global offset table entry. */ + if (h != NULL) + { + h->got.refcount += 1; + } + 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 (bfd_vma) + sizeof(char)); + local_got_refcounts = bfd_zalloc (abfd, size); + if (local_got_refcounts == NULL) + return FALSE; + elf_local_got_refcounts (abfd) = local_got_refcounts; + } + local_got_refcounts[r_symndx] += 1; + } + + if (htab->elf.sgot == NULL) + { + if (htab->elf.dynobj == NULL) + htab->elf.dynobj = abfd; + if (!_bfd_elf_create_got_section (htab->elf.dynobj, info)) + return FALSE; + } + break; + + case R_C6000_DSBT_INDEX: + /* We'd like to check for nonzero dsbt_index here, but it's + set up only after check_relocs is called. Instead, we + store the number of R_C6000_DSBT_INDEX relocs in the + pc_count field, and potentially discard the extra space + in elf32_tic6x_allocate_dynrelocs. */ + if (!info->shared) + break; + + /* fall through */ + case R_C6000_ABS32: + case R_C6000_ABS16: + case R_C6000_ABS8: + case R_C6000_ABS_S16: + case R_C6000_ABS_L16: + case R_C6000_ABS_H16: + /* 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 || elf32_tic6x_using_dsbt (abfd)) + && (sec->flags & SEC_ALLOC) != 0) + { + struct elf_dyn_relocs *p; + struct elf_dyn_relocs **head; + + /* We must copy these reloc types into the output file. + Create a reloc section in dynobj and make room for + this reloc. */ + if (sreloc == NULL) + { + if (htab->elf.dynobj == NULL) + htab->elf.dynobj = abfd; + + sreloc = _bfd_elf_make_dynamic_reloc_section + (sec, htab->elf.dynobj, 2, 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 elf32_tic6x_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. */ + void **vpp; + asection *s; + + s = bfd_section_from_elf_index (abfd, isym->st_shndx); + if (s == NULL) + s = sec; + + vpp = &elf_section_data (s)->local_dynrel; + head = (struct elf_dyn_relocs **)vpp; + } + + p = *head; + if (p == NULL || p->sec != sec) + { + bfd_size_type amt = sizeof *p; + p = 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 (r_type == R_C6000_DSBT_INDEX) + p->pc_count += 1; + } + break; + + case R_C6000_SBR_U15_B: + case R_C6000_SBR_U15_H: + case R_C6000_SBR_U15_W: + case R_C6000_SBR_S16: + case R_C6000_SBR_L16_B: + case R_C6000_SBR_L16_H: + case R_C6000_SBR_L16_W: + case R_C6000_SBR_H16_B: + case R_C6000_SBR_H16_H: + case R_C6000_SBR_H16_W: + if (h != NULL && info->executable) + { + /* For B14-relative addresses, we might need a copy + reloc. */ + h->non_got_ref = 1; + } + break; + + default: + break; + } + } + + return TRUE; +} + +static bfd_boolean +elf32_tic6x_add_symbol_hook (bfd *abfd, + struct bfd_link_info *info ATTRIBUTE_UNUSED, + Elf_Internal_Sym *sym, + const char **namep ATTRIBUTE_UNUSED, + flagword *flagsp ATTRIBUTE_UNUSED, + asection **secp, + bfd_vma *valp) +{ + switch (sym->st_shndx) + { + case SHN_TIC6X_SCOMMON: + *secp = bfd_make_section_old_way (abfd, ".scommon"); + (*secp)->flags |= SEC_IS_COMMON; + *valp = sym->st_size; + (void) bfd_set_section_alignment (abfd, *secp, bfd_log2 (sym->st_value)); + break; + } + + return TRUE; +} + +static void +elf32_tic6x_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym) +{ + elf_symbol_type *elfsym; + + elfsym = (elf_symbol_type *) asym; + switch (elfsym->internal_elf_sym.st_shndx) + { + case SHN_TIC6X_SCOMMON: + if (tic6x_elf_scom_section.name == NULL) + { + /* Initialize the small common section. */ + tic6x_elf_scom_section.name = ".scommon"; + tic6x_elf_scom_section.flags = SEC_IS_COMMON; + tic6x_elf_scom_section.output_section = &tic6x_elf_scom_section; + tic6x_elf_scom_section.symbol = &tic6x_elf_scom_symbol; + tic6x_elf_scom_section.symbol_ptr_ptr = &tic6x_elf_scom_symbol_ptr; + tic6x_elf_scom_symbol.name = ".scommon"; + tic6x_elf_scom_symbol.flags = BSF_SECTION_SYM; + tic6x_elf_scom_symbol.section = &tic6x_elf_scom_section; + tic6x_elf_scom_symbol_ptr = &tic6x_elf_scom_symbol; + } + asym->section = &tic6x_elf_scom_section; + asym->value = elfsym->internal_elf_sym.st_size; + break; + } +} + +static int +elf32_tic6x_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED, + const char *name ATTRIBUTE_UNUSED, + Elf_Internal_Sym *sym, + asection *input_sec, + struct elf_link_hash_entry *h ATTRIBUTE_UNUSED) +{ + /* If we see a common symbol, which implies a relocatable link, then + if a symbol was small common in an input file, mark it as small + common in the output file. */ + if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0) + sym->st_shndx = SHN_TIC6X_SCOMMON; + + return 1; +} + +static bfd_boolean +elf32_tic6x_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED, + asection *sec, + int *retval) +{ + if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0) + { + *retval = SHN_TIC6X_SCOMMON; + return TRUE; + } + + return FALSE; +} + +/* Allocate space in .plt, .got and associated reloc sections for + dynamic relocs. */ + +static bfd_boolean +elf32_tic6x_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) +{ + struct bfd_link_info *info; + struct elf32_tic6x_link_hash_table *htab; + struct elf32_tic6x_link_hash_entry *eh; + struct elf_dyn_relocs *p; + + if (h->root.type == bfd_link_hash_indirect) + return TRUE; + + eh = (struct elf32_tic6x_link_hash_entry *) h; + info = (struct bfd_link_info *) inf; + htab = elf32_tic6x_hash_table (info); + + 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 (info->shared + || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h)) + { + asection *s = htab->elf.splt; + + /* If this is the first .plt entry, make room for the special + first entry. */ + if (s->size == 0) + s->size += PLT_ENTRY_SIZE; + + h->plt.offset = s->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, which + will be placed in the .got section by the linker script. */ + htab->elf.sgotplt->size += 4; + /* We also need to make an entry in the .rel.plt section. */ + htab->elf.srelplt->size += sizeof (Elf32_External_Rela); + } + 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; + + /* 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 += 4; + + if (!(ELF_ST_VISIBILITY (h->other) + && h->root.type == bfd_link_hash_undefweak)) + htab->elf.srelgot->size += sizeof (Elf32_External_Rela); + } + else + h->got.offset = (bfd_vma) -1; + + if (eh->dyn_relocs == NULL) + return TRUE; + + /* Discard relocs on undefined weak syms with non-default + visibility. */ + if (info->shared || elf32_tic6x_using_dsbt (htab->obfd)) + { + /* We use the pc_count field to hold the number of + R_C6000_DSBT_INDEX relocs. */ + if (htab->params.dsbt_index != 0) + { + struct 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; + } + } + + 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; + } + } + } + + /* Finally, allocate space. */ + for (p = eh->dyn_relocs; p != NULL; p = p->next) + { + asection *sreloc; + + sreloc = elf_section_data (p->sec)->sreloc; + + BFD_ASSERT (sreloc != NULL); + sreloc->size += p->count * sizeof (Elf32_External_Rela); + } + + return TRUE; +} + +/* Find any dynamic relocs that apply to read-only sections. */ + +static bfd_boolean +elf32_tic6x_readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf) +{ + struct elf32_tic6x_link_hash_entry *eh; + struct elf_dyn_relocs *p; + + eh = (struct elf32_tic6x_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; +} + +/* Set the sizes of the dynamic sections. */ + +static bfd_boolean +elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) +{ + struct elf32_tic6x_link_hash_table *htab; + bfd *dynobj; + asection *s; + bfd_boolean relocs; + bfd *ibfd; + + htab = elf32_tic6x_hash_table (info); + dynobj = htab->elf.dynobj; + if (dynobj == NULL) + abort (); + + if (htab->elf.dynamic_sections_created) + { + /* Set the contents of the .interp section to the interpreter. */ + if (info->executable) + { + s = bfd_get_linker_section (dynobj, ".interp"); + if (s == NULL) + abort (); + s->size = sizeof ELF_DYNAMIC_INTERPRETER; + s->contents = (unsigned char *) ELF_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; + bfd_size_type locsymcount; + Elf_Internal_Shdr *symtab_hdr; + asection *srel; + + for (s = ibfd->sections; s != NULL; s = s->next) + { + struct elf_dyn_relocs *p; + + for (p = ((struct elf_dyn_relocs *) + 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 * sizeof (Elf32_External_Rela); + 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; + s = htab->elf.sgot; + srel = htab->elf.srelgot; + for (; local_got < end_local_got; ++local_got) + { + if (*local_got > 0) + { + *local_got = s->size; + s->size += 4; + + if (info->shared || elf32_tic6x_using_dsbt (output_bfd)) + { + srel->size += sizeof (Elf32_External_Rela); + } + } + 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, elf32_tic6x_allocate_dynrelocs, info); + + /* We now have determined the sizes of the various dynamic sections. + Allocate memory for them. */ + relocs = FALSE; + for (s = dynobj->sections; s != NULL; s = s->next) + { + bfd_boolean strip_section = TRUE; + + if ((s->flags & SEC_LINKER_CREATED) == 0) + continue; + + if (s == htab->dsbt) + s->size = 4 * htab->params.dsbt_size; + else 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. */ + /* We'd like to strip these sections if they aren't needed, but if + we've exported dynamic symbols from them we must leave them. + It's too late to tell BFD to get rid of the symbols. */ + + if (htab->elf.hplt != NULL) + strip_section = FALSE; + + /* Round up the size of the PLT section to a multiple of 32. */ + if (s == htab->elf.splt && s->size > 0) + s->size = (s->size + 31) & ~(bfd_vma)31; + } + else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela")) + { + if (s->size != 0 + && s != htab->elf.srelplt) + relocs = TRUE; + + /* 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, so don't allocate space. */ + continue; + } + + if (s->size == 0) + { + /* If we don't need this section, strip it from the + output file. This is mostly to handle .rel.bss and + .rel.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. */ + if (strip_section) + s->flags |= SEC_EXCLUDE; + continue; + } + + if ((s->flags & SEC_HAS_CONTENTS) == 0) + continue; + + /* Allocate memory for the section contents. We use bfd_zalloc + here in case unused entries are not reclaimed before the + section's contents are written out. This should not happen, + but this way if it does, we get a R_C6000_NONE reloc instead + of garbage. */ + s->contents = bfd_zalloc (dynobj, s->size); + if (s->contents == NULL) + return FALSE; + } + + if (htab->elf.dynamic_sections_created) + { + /* Add some entries to the .dynamic section. We fill in the + values later, in elf32_tic6x_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 (!add_dynamic_entry (DT_C6000_DSBT_BASE, 0) + || !add_dynamic_entry (DT_C6000_DSBT_SIZE, htab->params.dsbt_size) + || !add_dynamic_entry (DT_C6000_DSBT_INDEX, + htab->params.dsbt_index)) + return FALSE; + + if (htab->elf.splt->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 (relocs) + { + if (!add_dynamic_entry (DT_RELA, 0) + || !add_dynamic_entry (DT_RELASZ, 0) + || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela))) + 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, + elf32_tic6x_readonly_dynrelocs, info); + + if ((info->flags & DF_TEXTREL) != 0) + { + if (!add_dynamic_entry (DT_TEXTREL, 0)) + return FALSE; + } + } + } +#undef add_dynamic_entry + + return TRUE; +} + +/* This function is called after all the input files have been read, + and the input sections have been assigned to output sections. */ + +static bfd_boolean +elf32_tic6x_always_size_sections (bfd *output_bfd, struct bfd_link_info *info) +{ + if (elf32_tic6x_using_dsbt (output_bfd) && !info->relocatable + && !bfd_elf_stack_segment_size (output_bfd, info, + "__stacksize", DEFAULT_STACK_SIZE)) + return FALSE; + + return TRUE; +} + +static bfd_boolean +elf32_tic6x_finish_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, + struct bfd_link_info *info) +{ + struct elf32_tic6x_link_hash_table *htab; + bfd *dynobj; + asection *sdyn; + + htab = elf32_tic6x_hash_table (info); + dynobj = htab->elf.dynobj; + sdyn = bfd_get_linker_section (dynobj, ".dynamic"); + + if (elf_hash_table (info)->dynamic_sections_created) + { + Elf32_External_Dyn * dyncon; + Elf32_External_Dyn * dynconend; + + BFD_ASSERT (sdyn != NULL); + + dyncon = (Elf32_External_Dyn *) sdyn->contents; + dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); + + for (; dyncon < dynconend; dyncon++) + { + Elf_Internal_Dyn dyn; + asection *s; + + bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); + + switch (dyn.d_tag) + { + default: + break; + + case DT_C6000_DSBT_BASE: + s = htab->dsbt; + dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset); + break; + + 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; + } + bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); + } + + /* Fill in the first entry in the procedure linkage table. */ + if (htab->elf.splt && htab->elf.splt->size > 0) + { + bfd_vma got_offs = (htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset + - htab->dsbt->output_section->vma + - htab->dsbt->output_offset) / 4; + + /* ldw .D2T2 *+b14[$GOT(0)],b2 */ + bfd_put_32 (output_bfd, got_offs << 8 | 0x0100006e, + htab->elf.splt->contents); + /* ldw .D2T2 *+b14[$GOT(4)],b1 */ + bfd_put_32 (output_bfd, (got_offs + 1) << 8 | 0x0080006e, + htab->elf.splt->contents + 4); + /* nop 3 */ + bfd_put_32 (output_bfd, 0x00004000, + htab->elf.splt->contents + 8); + /* b .s2 b2 */ + bfd_put_32 (output_bfd, 0x00080362, + htab->elf.splt->contents + 12); + /* nop 5 */ + bfd_put_32 (output_bfd, 0x00008000, + htab->elf.splt->contents + 16); + + elf_section_data (htab->elf.splt->output_section) + ->this_hdr.sh_entsize = PLT_ENTRY_SIZE; + } + } + + return TRUE; +} + +/* Return address for Ith PLT stub in section PLT, for relocation REL + or (bfd_vma) -1 if it should not be included. */ + +static bfd_vma +elf32_tic6x_plt_sym_val (bfd_vma i, const asection *plt, + const arelent *rel ATTRIBUTE_UNUSED) +{ + return plt->vma + (i + 1) * PLT_ENTRY_SIZE; +} + +static int +elf32_tic6x_obj_attrs_arg_type (int tag) +{ + if (tag == Tag_ABI_compatibility) + return ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL; + else if (tag & 1) + return ATTR_TYPE_FLAG_STR_VAL; + else + return ATTR_TYPE_FLAG_INT_VAL; +} + +static int +elf32_tic6x_obj_attrs_order (int num) +{ + if (num == LEAST_KNOWN_OBJ_ATTRIBUTE) + return Tag_ABI_conformance; + if ((num - 1) < Tag_ABI_conformance) + return num - 1; + return num; +} + +static bfd_boolean +elf32_tic6x_obj_attrs_handle_unknown (bfd *abfd, int tag) +{ + if ((tag & 127) < 64) + { + _bfd_error_handler + (_("%B: error: unknown mandatory EABI object attribute %d"), + abfd, tag); + bfd_set_error (bfd_error_bad_value); + return FALSE; + } + else + { + _bfd_error_handler + (_("%B: warning: unknown EABI object attribute %d"), + abfd, tag); + return TRUE; + } +} + +/* Merge the Tag_ISA attribute values ARCH1 and ARCH2 + and return the merged value. At present, all merges succeed, so no + return value for errors is defined. */ + +int +elf32_tic6x_merge_arch_attributes (int arch1, int arch2) +{ + int min_arch, max_arch; + + min_arch = (arch1 < arch2 ? arch1 : arch2); + max_arch = (arch1 > arch2 ? arch1 : arch2); + + /* In most cases, the numerically greatest value is the correct + merged value, but merging C64 and C67 results in C674X. */ + if ((min_arch == C6XABI_Tag_ISA_C67X + || min_arch == C6XABI_Tag_ISA_C67XP) + && (max_arch == C6XABI_Tag_ISA_C64X + || max_arch == C6XABI_Tag_ISA_C64XP)) + return C6XABI_Tag_ISA_C674X; + + return max_arch; +} + +/* Convert a Tag_ABI_array_object_alignment or + Tag_ABI_array_object_align_expected tag value TAG to a + corresponding alignment value; return the alignment, or -1 for an + unknown tag value. */ + +static int +elf32_tic6x_tag_to_array_alignment (int tag) +{ + switch (tag) + { + case 0: + return 8; + + case 1: + return 4; + + case 2: + return 16; + + default: + return -1; + } +} + +/* Convert a Tag_ABI_array_object_alignment or + Tag_ABI_array_object_align_expected alignment ALIGN to a + corresponding tag value; return the tag value. */ + +static int +elf32_tic6x_array_alignment_to_tag (int align) +{ + switch (align) + { + case 8: + return 0; + + case 4: + return 1; + + case 16: + return 2; + + default: + abort (); + } +} + +/* Merge attributes from IBFD and OBFD, returning TRUE if the merge + succeeded, FALSE otherwise. */ + +static bfd_boolean +elf32_tic6x_merge_attributes (bfd *ibfd, bfd *obfd) +{ + bfd_boolean result = TRUE; + obj_attribute *in_attr; + obj_attribute *out_attr; + int i; + int array_align_in, array_align_out, array_expect_in, array_expect_out; + + if (!elf_known_obj_attributes_proc (obfd)[0].i) + { + /* This is the first object. Copy the attributes. */ + _bfd_elf_copy_obj_attributes (ibfd, obfd); + + out_attr = elf_known_obj_attributes_proc (obfd); + + /* Use the Tag_null value to indicate the attributes have been + initialized. */ + out_attr[0].i = 1; + + return TRUE; + } + + in_attr = elf_known_obj_attributes_proc (ibfd); + out_attr = elf_known_obj_attributes_proc (obfd); + + /* No specification yet for handling of unknown attributes, so just + ignore them and handle known ones. */ + + if (out_attr[Tag_ABI_stack_align_preserved].i + < in_attr[Tag_ABI_stack_align_needed].i) + { + _bfd_error_handler + (_("error: %B requires more stack alignment than %B preserves"), + ibfd, obfd); + result = FALSE; + } + if (in_attr[Tag_ABI_stack_align_preserved].i + < out_attr[Tag_ABI_stack_align_needed].i) + { + _bfd_error_handler + (_("error: %B requires more stack alignment than %B preserves"), + obfd, ibfd); + result = FALSE; + } + + array_align_in = elf32_tic6x_tag_to_array_alignment + (in_attr[Tag_ABI_array_object_alignment].i); + if (array_align_in == -1) + { + _bfd_error_handler + (_("error: unknown Tag_ABI_array_object_alignment value in %B"), + ibfd); + result = FALSE; + } + array_align_out = elf32_tic6x_tag_to_array_alignment + (out_attr[Tag_ABI_array_object_alignment].i); + if (array_align_out == -1) + { + _bfd_error_handler + (_("error: unknown Tag_ABI_array_object_alignment value in %B"), + obfd); + result = FALSE; + } + array_expect_in = elf32_tic6x_tag_to_array_alignment + (in_attr[Tag_ABI_array_object_align_expected].i); + if (array_expect_in == -1) + { + _bfd_error_handler + (_("error: unknown Tag_ABI_array_object_align_expected value in %B"), + ibfd); + result = FALSE; + } + array_expect_out = elf32_tic6x_tag_to_array_alignment + (out_attr[Tag_ABI_array_object_align_expected].i); + if (array_expect_out == -1) + { + _bfd_error_handler + (_("error: unknown Tag_ABI_array_object_align_expected value in %B"), + obfd); + result = FALSE; + } + + if (array_align_out < array_expect_in) + { + _bfd_error_handler + (_("error: %B requires more array alignment than %B preserves"), + ibfd, obfd); + result = FALSE; + } + if (array_align_in < array_expect_out) + { + _bfd_error_handler + (_("error: %B requires more array alignment than %B preserves"), + obfd, ibfd); + result = FALSE; + } + + for (i = LEAST_KNOWN_OBJ_ATTRIBUTE; i < NUM_KNOWN_OBJ_ATTRIBUTES; i++) + { + switch (i) + { + case Tag_ISA: + out_attr[i].i = elf32_tic6x_merge_arch_attributes (in_attr[i].i, + out_attr[i].i); + break; + + case Tag_ABI_wchar_t: + if (out_attr[i].i == 0) + out_attr[i].i = in_attr[i].i; + if (out_attr[i].i != 0 + && in_attr[i].i != 0 + && out_attr[i].i != in_attr[i].i) + { + _bfd_error_handler + (_("warning: %B and %B differ in wchar_t size"), obfd, ibfd); + } + break; + + case Tag_ABI_stack_align_needed: + if (out_attr[i].i < in_attr[i].i) + out_attr[i].i = in_attr[i].i; + break; + + case Tag_ABI_stack_align_preserved: + if (out_attr[i].i > in_attr[i].i) + out_attr[i].i = in_attr[i].i; + break; + + case Tag_ABI_DSBT: + if (out_attr[i].i != in_attr[i].i) + { + _bfd_error_handler + (_("warning: %B and %B differ in whether code is " + "compiled for DSBT"), + obfd, ibfd); + } + break; + + case Tag_ABI_PIC: + case Tag_ABI_PID: + if (out_attr[i].i > in_attr[i].i) + out_attr[i].i = in_attr[i].i; + break; + + case Tag_ABI_array_object_alignment: + if (array_align_out != -1 + && array_align_in != -1 + && array_align_out > array_align_in) + out_attr[i].i + = elf32_tic6x_array_alignment_to_tag (array_align_in); + break; + + case Tag_ABI_array_object_align_expected: + if (array_expect_out != -1 + && array_expect_in != -1 + && array_expect_out < array_expect_in) + out_attr[i].i + = elf32_tic6x_array_alignment_to_tag (array_expect_in); + break; + + case Tag_ABI_conformance: + /* Merging for this attribute is not specified. As on ARM, + treat a missing attribute as no claim to conform and only + merge identical values. */ + if (out_attr[i].s == NULL + || in_attr[i].s == NULL + || strcmp (out_attr[i].s, + in_attr[i].s) != 0) + out_attr[i].s = NULL; + break; + + case Tag_ABI_compatibility: + /* Merged in _bfd_elf_merge_object_attributes. */ + break; + + default: + result + = result && _bfd_elf_merge_unknown_attribute_low (ibfd, obfd, i); + break; + } + + if (in_attr[i].type && !out_attr[i].type) + out_attr[i].type = in_attr[i].type; + } + + /* Merge Tag_ABI_compatibility attributes and any common GNU ones. */ + if (!_bfd_elf_merge_object_attributes (ibfd, obfd)) + return FALSE; + + result &= _bfd_elf_merge_unknown_attribute_list (ibfd, obfd); + + return result; +} + +static bfd_boolean +elf32_tic6x_merge_private_bfd_data (bfd *ibfd, bfd *obfd) +{ + if (!_bfd_generic_verify_endian_match (ibfd, obfd)) + return FALSE; + + if (! is_tic6x_elf (ibfd) || ! is_tic6x_elf (obfd)) + return TRUE; + + if (!elf32_tic6x_merge_attributes (ibfd, obfd)) + return FALSE; + + return TRUE; +} + +/* Add a new unwind edit to the list described by HEAD, TAIL. If TINDEX is zero, + adds the edit to the start of the list. (The list must be built in order of + ascending TINDEX: the function's callers are primarily responsible for + maintaining that condition). */ + +static void +elf32_tic6x_add_unwind_table_edit (tic6x_unwind_table_edit **head, + tic6x_unwind_table_edit **tail, + tic6x_unwind_edit_type type, + asection *linked_section, + unsigned int tindex) +{ + tic6x_unwind_table_edit *new_edit = (tic6x_unwind_table_edit *) + xmalloc (sizeof (tic6x_unwind_table_edit)); + + new_edit->type = type; + new_edit->linked_section = linked_section; + new_edit->index = tindex; + + if (tindex > 0) + { + new_edit->next = NULL; + + if (*tail) + (*tail)->next = new_edit; + + (*tail) = new_edit; + + if (!*head) + (*head) = new_edit; + } + else + { + new_edit->next = *head; + + if (!*tail) + *tail = new_edit; + + *head = new_edit; + } +} + +static _tic6x_elf_section_data * +get_tic6x_elf_section_data (asection * sec) +{ + if (sec && sec->owner && is_tic6x_elf (sec->owner)) + return elf32_tic6x_section_data (sec); + else + return NULL; +} + + +/* Increase the size of EXIDX_SEC by ADJUST bytes. ADJUST must be negative. */ +static void +elf32_tic6x_adjust_exidx_size (asection *exidx_sec, int adjust) +{ + asection *out_sec; + + if (!exidx_sec->rawsize) + exidx_sec->rawsize = exidx_sec->size; + + bfd_set_section_size (exidx_sec->owner, exidx_sec, exidx_sec->size + adjust); + out_sec = exidx_sec->output_section; + /* Adjust size of output section. */ + bfd_set_section_size (out_sec->owner, out_sec, out_sec->size +adjust); +} + +/* Insert an EXIDX_CANTUNWIND marker at the end of a section. */ +static void +elf32_tic6x_insert_cantunwind_after (asection *text_sec, asection *exidx_sec) +{ + struct _tic6x_elf_section_data *exidx_data; + + exidx_data = get_tic6x_elf_section_data (exidx_sec); + elf32_tic6x_add_unwind_table_edit ( + &exidx_data->u.exidx.unwind_edit_list, + &exidx_data->u.exidx.unwind_edit_tail, + INSERT_EXIDX_CANTUNWIND_AT_END, text_sec, UINT_MAX); + + elf32_tic6x_adjust_exidx_size (exidx_sec, 8); +} + +/* Scan .cx6abi.exidx tables, and create a list describing edits which + should be made to those tables, such that: + + 1. Regions without unwind data are marked with EXIDX_CANTUNWIND entries. + 2. Duplicate entries are merged together (EXIDX_CANTUNWIND, or unwind + codes which have been inlined into the index). + + If MERGE_EXIDX_ENTRIES is false, duplicate entries are not merged. + + The edits are applied when the tables are written + (in elf32_tic6x_write_section). +*/ + +bfd_boolean +elf32_tic6x_fix_exidx_coverage (asection **text_section_order, + unsigned int num_text_sections, + struct bfd_link_info *info, + bfd_boolean merge_exidx_entries) +{ + bfd *inp; + unsigned int last_second_word = 0, i; + asection *last_exidx_sec = NULL; + asection *last_text_sec = NULL; + int last_unwind_type = -1; + + /* Walk over all EXIDX sections, and create backlinks from the corrsponding + text sections. */ + for (inp = info->input_bfds; inp != NULL; inp = inp->link_next) + { + asection *sec; + + for (sec = inp->sections; sec != NULL; sec = sec->next) + { + struct bfd_elf_section_data *elf_sec = elf_section_data (sec); + Elf_Internal_Shdr *hdr = &elf_sec->this_hdr; + + if (!hdr || hdr->sh_type != SHT_C6000_UNWIND) + continue; + + if (elf_sec->linked_to) + { + Elf_Internal_Shdr *linked_hdr + = &elf_section_data (elf_sec->linked_to)->this_hdr; + struct _tic6x_elf_section_data *linked_sec_tic6x_data + = get_tic6x_elf_section_data (linked_hdr->bfd_section); + + if (linked_sec_tic6x_data == NULL) + continue; + + /* Link this .c6xabi.exidx section back from the + text section it describes. */ + linked_sec_tic6x_data->u.text.tic6x_exidx_sec = sec; + } + } + } + + /* Walk all text sections in order of increasing VMA. Eilminate duplicate + index table entries (EXIDX_CANTUNWIND and inlined unwind opcodes), + and add EXIDX_CANTUNWIND entries for sections with no unwind table data. */ + + for (i = 0; i < num_text_sections; i++) + { + asection *sec = text_section_order[i]; + asection *exidx_sec; + struct _tic6x_elf_section_data *tic6x_data + = get_tic6x_elf_section_data (sec); + struct _tic6x_elf_section_data *exidx_data; + bfd_byte *contents = NULL; + int deleted_exidx_bytes = 0; + bfd_vma j; + tic6x_unwind_table_edit *unwind_edit_head = NULL; + tic6x_unwind_table_edit *unwind_edit_tail = NULL; + Elf_Internal_Shdr *hdr; + bfd *ibfd; + + if (tic6x_data == NULL) + continue; + + exidx_sec = tic6x_data->u.text.tic6x_exidx_sec; + if (exidx_sec == NULL) + { + /* Section has no unwind data. */ + if (last_unwind_type == 0 || !last_exidx_sec) + continue; + + /* Ignore zero sized sections. */ + if (sec->size == 0) + continue; + + elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec); + last_unwind_type = 0; + continue; + } + + /* Skip /DISCARD/ sections. */ + if (bfd_is_abs_section (exidx_sec->output_section)) + continue; + + hdr = &elf_section_data (exidx_sec)->this_hdr; + if (hdr->sh_type != SHT_C6000_UNWIND) + continue; + + exidx_data = get_tic6x_elf_section_data (exidx_sec); + if (exidx_data == NULL) + continue; + + ibfd = exidx_sec->owner; + + if (hdr->contents != NULL) + contents = hdr->contents; + else if (! bfd_malloc_and_get_section (ibfd, exidx_sec, &contents)) + /* An error? */ + continue; + + for (j = 0; j < hdr->sh_size; j += 8) + { + unsigned int second_word = bfd_get_32 (ibfd, contents + j + 4); + int unwind_type; + int elide = 0; + + /* An EXIDX_CANTUNWIND entry. */ + if (second_word == 1) + { + if (last_unwind_type == 0) + elide = 1; + unwind_type = 0; + } + /* Inlined unwinding data. Merge if equal to previous. */ + else if ((second_word & 0x80000000) != 0) + { + if (merge_exidx_entries + && last_second_word == second_word + && last_unwind_type == 1) + elide = 1; + unwind_type = 1; + last_second_word = second_word; + } + /* Normal table entry. In theory we could merge these too, + but duplicate entries are likely to be much less common. */ + else + unwind_type = 2; + + if (elide) + { + elf32_tic6x_add_unwind_table_edit (&unwind_edit_head, + &unwind_edit_tail, DELETE_EXIDX_ENTRY, NULL, j / 8); + + deleted_exidx_bytes += 8; + } + + last_unwind_type = unwind_type; + } + + /* Free contents if we allocated it ourselves. */ + if (contents != hdr->contents) + free (contents); + + /* Record edits to be applied later (in elf32_tic6x_write_section). */ + exidx_data->u.exidx.unwind_edit_list = unwind_edit_head; + exidx_data->u.exidx.unwind_edit_tail = unwind_edit_tail; + + if (deleted_exidx_bytes > 0) + elf32_tic6x_adjust_exidx_size (exidx_sec, -deleted_exidx_bytes); + + last_exidx_sec = exidx_sec; + last_text_sec = sec; + } + + /* Add terminating CANTUNWIND entry. */ + if (last_exidx_sec && last_unwind_type != 0) + elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec); + + return TRUE; +} + +/* Add ADDEND to lower 31 bits of VAL, leaving other bits unmodified. */ + +static unsigned long +elf32_tic6x_add_low31 (unsigned long val, bfd_vma addend) +{ + return (val & ~0x7ffffffful) | ((val + addend) & 0x7ffffffful); +} + +/* Copy an .c6xabi.exidx table entry, adding OFFSET to (applied) PREL31 + relocations. OFFSET is in bytes, and will be scaled before encoding. */ + + +static void +elf32_tic6x_copy_exidx_entry (bfd *output_bfd, bfd_byte *to, bfd_byte *from, + bfd_vma offset) +{ + unsigned long first_word = bfd_get_32 (output_bfd, from); + unsigned long second_word = bfd_get_32 (output_bfd, from + 4); + + offset >>= 1; + /* High bit of first word is supposed to be zero. */ + if ((first_word & 0x80000000ul) == 0) + first_word = elf32_tic6x_add_low31 (first_word, offset); + + /* If the high bit of the first word is clear, and the bit pattern is not 0x1 + (EXIDX_CANTUNWIND), this is an offset to an .c6xabi.extab entry. */ + if ((second_word != 0x1) && ((second_word & 0x80000000ul) == 0)) + second_word = elf32_tic6x_add_low31 (second_word, offset); + + bfd_put_32 (output_bfd, first_word, to); + bfd_put_32 (output_bfd, second_word, to + 4); +} + +/* Do the actual mangling of exception index tables. */ + +static bfd_boolean +elf32_tic6x_write_section (bfd *output_bfd, + struct bfd_link_info *link_info, + asection *sec, + bfd_byte *contents) +{ + _tic6x_elf_section_data *tic6x_data; + struct elf32_tic6x_link_hash_table *globals + = elf32_tic6x_hash_table (link_info); + bfd_vma offset = sec->output_section->vma + sec->output_offset; + + if (globals == NULL) + return FALSE; + + /* If this section has not been allocated an _tic6x_elf_section_data + structure then we cannot record anything. */ + tic6x_data = get_tic6x_elf_section_data (sec); + if (tic6x_data == NULL) + return FALSE; + + if (tic6x_data->elf.this_hdr.sh_type != SHT_C6000_UNWIND) + return FALSE; + + tic6x_unwind_table_edit *edit_node + = tic6x_data->u.exidx.unwind_edit_list; + /* Now, sec->size is the size of the section we will write. The original + size (before we merged duplicate entries and inserted EXIDX_CANTUNWIND + markers) was sec->rawsize. (This isn't the case if we perform no + edits, then rawsize will be zero and we should use size). */ + bfd_byte *edited_contents = (bfd_byte *) bfd_malloc (sec->size); + unsigned int input_size = sec->rawsize ? sec->rawsize : sec->size; + unsigned int in_index, out_index; + bfd_vma add_to_offsets = 0; + + for (in_index = 0, out_index = 0; in_index * 8 < input_size || edit_node;) + { + if (edit_node) + { + unsigned int edit_index = edit_node->index; + + if (in_index < edit_index && in_index * 8 < input_size) + { + elf32_tic6x_copy_exidx_entry (output_bfd, + edited_contents + out_index * 8, + contents + in_index * 8, add_to_offsets); + out_index++; + in_index++; + } + else if (in_index == edit_index + || (in_index * 8 >= input_size + && edit_index == UINT_MAX)) + { + switch (edit_node->type) + { + case DELETE_EXIDX_ENTRY: + in_index++; + add_to_offsets += 8; + break; + + case INSERT_EXIDX_CANTUNWIND_AT_END: + { + asection *text_sec = edit_node->linked_section; + bfd_vma text_offset = text_sec->output_section->vma + + text_sec->output_offset + + text_sec->size; + bfd_vma exidx_offset = offset + out_index * 8; + unsigned long prel31_offset; + + /* Note: this is meant to be equivalent to an + R_C6000_PREL31 relocation. These synthetic + EXIDX_CANTUNWIND markers are not relocated by the + usual BFD method. */ + prel31_offset = ((text_offset - exidx_offset) >> 1) + & 0x7ffffffful; + + /* First address we can't unwind. */ + bfd_put_32 (output_bfd, prel31_offset, + &edited_contents[out_index * 8]); + + /* Code for EXIDX_CANTUNWIND. */ + bfd_put_32 (output_bfd, 0x1, + &edited_contents[out_index * 8 + 4]); + + out_index++; + add_to_offsets -= 8; + } + break; + } + + edit_node = edit_node->next; + } + } + else + { + /* No more edits, copy remaining entries verbatim. */ + elf32_tic6x_copy_exidx_entry (output_bfd, + edited_contents + out_index * 8, + contents + in_index * 8, add_to_offsets); + out_index++; + in_index++; + } + } + + if (!(sec->flags & SEC_EXCLUDE) && !(sec->flags & SEC_NEVER_LOAD)) + bfd_set_section_contents (output_bfd, sec->output_section, + edited_contents, + (file_ptr) sec->output_offset, sec->size); + + return TRUE; +} + +static void +elf32_tic6x_set_osabi (bfd *abfd, struct bfd_link_info *link_info) +{ + if (link_info != NULL && link_info->relocatable) + return; + _bfd_elf_set_osabi (abfd, link_info); +} + +#define TARGET_LITTLE_SYM bfd_elf32_tic6x_le_vec +#define TARGET_LITTLE_NAME "elf32-tic6x-le" +#define TARGET_BIG_SYM bfd_elf32_tic6x_be_vec +#define TARGET_BIG_NAME "elf32-tic6x-be" +#define ELF_ARCH bfd_arch_tic6x +#define ELF_TARGET_ID TIC6X_ELF_DATA +#define ELF_MACHINE_CODE EM_TI_C6000 +#define ELF_MAXPAGESIZE 0x1000 +#define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup +#define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup +#define bfd_elf32_bfd_merge_private_bfd_data elf32_tic6x_merge_private_bfd_data +#define bfd_elf32_mkobject elf32_tic6x_mkobject +#define bfd_elf32_bfd_link_hash_table_create elf32_tic6x_link_hash_table_create +#define bfd_elf32_new_section_hook elf32_tic6x_new_section_hook +#define elf_backend_stack_align 8 +#define elf_backend_can_gc_sections 1 +#define elf_backend_default_use_rela_p 1 +#define elf_backend_may_use_rel_p 1 +#define elf_backend_may_use_rela_p 1 +#define elf_backend_obj_attrs_arg_type elf32_tic6x_obj_attrs_arg_type +#define elf_backend_obj_attrs_handle_unknown elf32_tic6x_obj_attrs_handle_unknown +#define elf_backend_obj_attrs_order elf32_tic6x_obj_attrs_order +#define elf_backend_obj_attrs_section ".c6xabi.attributes" +#define elf_backend_obj_attrs_section_type SHT_C6000_ATTRIBUTES +#define elf_backend_obj_attrs_vendor "c6xabi" +#define elf_backend_can_refcount 1 +#define elf_backend_want_got_plt 1 +#define elf_backend_want_dynbss 1 +#define elf_backend_plt_readonly 1 +#define elf_backend_rela_normal 1 +#define elf_backend_got_header_size 8 +#define elf_backend_fake_sections elf32_tic6x_fake_sections +#define elf_backend_gc_sweep_hook elf32_tic6x_gc_sweep_hook +#define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections +#define elf_backend_create_dynamic_sections \ + elf32_tic6x_create_dynamic_sections +#define elf_backend_adjust_dynamic_symbol \ + elf32_tic6x_adjust_dynamic_symbol +#define elf_backend_check_relocs elf32_tic6x_check_relocs +#define elf_backend_add_symbol_hook elf32_tic6x_add_symbol_hook +#define elf_backend_symbol_processing elf32_tic6x_symbol_processing +#define elf_backend_link_output_symbol_hook \ + elf32_tic6x_link_output_symbol_hook +#define elf_backend_section_from_bfd_section \ + elf32_tic6x_section_from_bfd_section +#define elf_backend_relocate_section elf32_tic6x_relocate_section +#define elf_backend_relocs_compatible _bfd_elf_relocs_compatible +#define elf_backend_finish_dynamic_symbol \ + elf32_tic6x_finish_dynamic_symbol +#define elf_backend_always_size_sections \ + elf32_tic6x_always_size_sections +#define elf_backend_size_dynamic_sections \ + elf32_tic6x_size_dynamic_sections +#define elf_backend_finish_dynamic_sections \ + elf32_tic6x_finish_dynamic_sections +#define bfd_elf32_bfd_final_link \ + elf32_tic6x_final_link +#define elf_backend_write_section elf32_tic6x_write_section +#define elf_info_to_howto elf32_tic6x_info_to_howto +#define elf_info_to_howto_rel elf32_tic6x_info_to_howto_rel + +#undef elf_backend_omit_section_dynsym +#define elf_backend_omit_section_dynsym elf32_tic6x_link_omit_section_dynsym +#define elf_backend_plt_sym_val elf32_tic6x_plt_sym_val + +#include "elf32-target.h" + +#undef elf32_bed +#define elf32_bed elf32_tic6x_linux_bed + +#undef TARGET_LITTLE_SYM +#define TARGET_LITTLE_SYM bfd_elf32_tic6x_linux_le_vec +#undef TARGET_LITTLE_NAME +#define TARGET_LITTLE_NAME "elf32-tic6x-linux-le" +#undef TARGET_BIG_SYM +#define TARGET_BIG_SYM bfd_elf32_tic6x_linux_be_vec +#undef TARGET_BIG_NAME +#define TARGET_BIG_NAME "elf32-tic6x-linux-be" +#undef ELF_OSABI +#define ELF_OSABI ELFOSABI_C6000_LINUX + +#undef elf_backend_post_process_headers +#define elf_backend_post_process_headers elf32_tic6x_set_osabi + +#include "elf32-target.h" + +#undef elf32_bed +#define elf32_bed elf32_tic6x_elf_bed + +#undef TARGET_LITTLE_SYM +#define TARGET_LITTLE_SYM bfd_elf32_tic6x_elf_le_vec +#undef TARGET_LITTLE_NAME +#define TARGET_LITTLE_NAME "elf32-tic6x-elf-le" +#undef TARGET_BIG_SYM +#define TARGET_BIG_SYM bfd_elf32_tic6x_elf_be_vec +#undef TARGET_BIG_NAME +#define TARGET_BIG_NAME "elf32-tic6x-elf-be" +#undef ELF_OSABI +#define ELF_OSABI ELFOSABI_C6000_ELFABI + +#undef elf_backend_post_process_headers +#define elf_backend_post_process_headers elf32_tic6x_set_osabi + +#include "elf32-target.h" |