diff options
author | Joseph Myers <joseph@codesourcery.com> | 2010-03-25 21:12:36 +0000 |
---|---|---|
committer | Joseph Myers <joseph@codesourcery.com> | 2010-03-25 21:12:36 +0000 |
commit | 40b365969f7fd035dfa0c6ffe729fd2501b5f11d (patch) | |
tree | 759a27054778d995f168ca703e90f4f073545060 /bfd/elf32-tic6x.c | |
parent | aa7d318d60c595f97230f45575c882c73f7bdcf7 (diff) | |
download | gdb-40b365969f7fd035dfa0c6ffe729fd2501b5f11d.zip gdb-40b365969f7fd035dfa0c6ffe729fd2501b5f11d.tar.gz gdb-40b365969f7fd035dfa0c6ffe729fd2501b5f11d.tar.bz2 |
bfd:
* Makefile.am (ALL_MACHINES): Add cpu-tic6x.lo.
(ALL_MACHINES_CFILES): Add cpu-tic6x.c.
(BFD32_BACKENDS): Add elf32-tic6x.lo.
(BFD32_BACKENDS_CFILES): Add elf32-tic6x.c.
* Makefile.in: Regenerate.
* archures.c (bfd_arch_tic6x, bfd_tic6x_arch): New.
(bfd_archures_list): Update.
* config.bfd (tic6x-*-elf): New.
* configure.in (bfd_elf32_tic6x_be_vec, bfd_elf32_tic6x_le_vec):
New.
* configure: Regenerate.
* cpu-tic6x.c, elf32-tic6x.c: New.
* reloc.c (BFD_RELOC_C6000_PCR_S21, BFD_RELOC_C6000_PCR_S12,
BFD_RELOC_C6000_PCR_S10, BFD_RELOC_C6000_PCR_S7,
BFD_RELOC_C6000_ABS_S16, BFD_RELOC_C6000_ABS_L16,
BFD_RELOC_C6000_ABS_H16, BFD_RELOC_C6000_SBR_U15_B,
BFD_RELOC_C6000_SBR_U15_H, BFD_RELOC_C6000_SBR_U15_W,
BFD_RELOC_C6000_SBR_S16, BFD_RELOC_C6000_SBR_L16_B,
BFD_RELOC_C6000_SBR_L16_H, BFD_RELOC_C6000_SBR_L16_W,
BFD_RELOC_C6000_SBR_H16_B, BFD_RELOC_C6000_SBR_H16_H,
BFD_RELOC_C6000_SBR_H16_W, BFD_RELOC_C6000_SBR_GOT_U15_W,
BFD_RELOC_C6000_SBR_GOT_L16_W, BFD_RELOC_C6000_SBR_GOT_H16_W,
BFD_RELOC_C6000_DSBT_INDEX, BFD_RELOC_C6000_PREL31,
BFD_RELOC_C6000_COPY, BFD_RELOC_C6000_ALIGN,
BFD_RELOC_C6000_FPHEAD, BFD_RELOC_C6000_NOCMP): New.
* targets.c (bfd_elf32_tic6x_be_vec, bfd_elf32_tic6x_le_vec): New.
(_bfd_target_vector): Update.
* bfd-in2.h, libbfd.h: Regenerate.
binutils:
* MAINTAINERS: Add self as TI C6X maintainer.
* NEWS: Add news entry for TI C6X support.
* readelf.c: Include elf/tic6x.h.
(guess_is_rela): Handle EM_TI_C6000.
(dump_relocations): Likewise.
(get_tic6x_dynamic_type): New.
(get_dynamic_type): Call it.
(get_machine_flags): Handle EF_C6000_REL.
(get_osabi_name): Handle machine-specific values only for relevant
machines. Handle C6X values.
(get_tic6x_segment_type): New.
(get_segment_type): Call it.
(get_tic6x_section_type_name): New.
(get_section_type_name): Call it.
(is_32bit_abs_reloc, is_16bit_abs_reloc, is_none_reloc): Handle
EM_TI_C6000.
gas:
* Makefile.am (TARGET_CPU_CFILES): Add config/tc-tic6x.c.
(TARGET_CPU_HFILES): Add config/tc-tic6x.h.
* Makefile.in: Regenerate.
* NEWS: Add news entry for TI C6X support.
* app.c (do_scrub_chars): Handle "||^" for TI C6X. Handle
TC_PREDICATE_START_CHAR and TC_PREDICATE_END_CHAR. Keep spaces in
operands if TC_KEEP_OPERAND_SPACES.
* configure.tgt (tic6x-*-*): New.
* config/tc-ia64.h (TC_PREDICATE_START_CHAR,
TC_PREDICATE_END_CHAR): Define.
* config/tc-tic6x.c, config/tc-tic6x.h: New.
* doc/Makefile.am (CPU_DOCS): Add c-tic6x.texi.
* doc/Makefile.in: Regenerate.
* doc/all.texi (TIC6X): Define.
* doc/as.texinfo: Add TI C6X documentation. Include c-tic6x.texi.
* doc/c-tic6x.texi: New.
gas/testsuite:
* gas/tic6x: New directory and testcases.
include:
* dis-asm.h (print_insn_tic6x): Declare.
include/elf:
* common.h (ELFOSABI_C6000_ELFABI, ELFOSABI_C6000_LINUX): Define.
* tic6x.h: New.
include/opcode:
* tic6x-control-registers.h, tic6x-insn-formats.h,
tic6x-opcode-table.h, tic6x.h: New.
ld:
* Makefile.am (ALL_EMULATIONS): Add eelf32_tic6x_be.o and
eelf32_tic6x_le.o.
(eelf32_tic6x_be.c, eelf32_tic6x_le.c): New.
* NEWS: Add news entry for TI C6X support.
* configure.tgt (tic6x-*-*): New.
* emulparams/elf32_tic6x_be.sh, emulparams/elf32_tic6x_le.sh: New.
ld/testsuite:
* ld-elf/flags1.d, ld-elf/merge.d: XFAIL for tic6x-*-*.
* ld-elf/sec-to-seg.exp: Set B_test_same_seg to 0 for tic6x-*-*.
* ld-tic6x: New directory and testcases.
opcodes:
* Makefile.am (TARGET_LIBOPCODES_CFILES): Add tic6x-dis.c.
* Makefile.in: Regenerate.
* configure.in (bfd_tic6x_arch): New.
* configure: Regenerate.
* disassemble.c (ARCH_tic6x): Define if ARCH_all.
(disassembler): Handle TI C6X.
* tic6x-dis.c: New.
Diffstat (limited to 'bfd/elf32-tic6x.c')
-rw-r--r-- | bfd/elf32-tic6x.c | 1000 |
1 files changed, 1000 insertions, 0 deletions
diff --git a/bfd/elf32-tic6x.c b/bfd/elf32-tic6x.c new file mode 100644 index 0000000..9163833 --- /dev/null +++ b/bfd/elf32-tic6x.c @@ -0,0 +1,1000 @@ +/* 32-bit ELF support for TI C6X + Copyright 2010 + Free Software Foundation, Inc. + + This file is part of BFD, the Binary File Descriptor library. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#include "sysdep.h" +#include "bfd.h" +#include "libbfd.h" +#include "libiberty.h" +#include "elf-bfd.h" +#include "elf/tic6x.h" + +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 */ + FALSE, /* 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 */ + FALSE), /* 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 */ + EMPTY_HOWTO (27), + EMPTY_HOWTO (28), + EMPTY_HOWTO (29), + EMPTY_HOWTO (30), + 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 */ +}; + +/* 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_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 ATTRIBUTE_UNUSED, + 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) + return &elf32_tic6x_howto_table[elf32_tic6x_reloc_map[i].elf_reloc_val]; + + return NULL; +} + +static reloc_howto_type * +elf32_tic6x_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name) +{ + 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]; + + 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 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) +{ + Elf_Internal_Shdr *symtab_hdr; + struct elf_link_hash_entry **sym_hashes; + Elf_Internal_Rela *rel; + Elf_Internal_Rela *relend; + bfd_boolean ok = TRUE; + + symtab_hdr = & elf_symtab_hdr (input_bfd); + sym_hashes = elf_sym_hashes (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 relocation; + bfd_boolean unresolved_reloc; + bfd_reloc_status_type r; + struct bfd_link_hash_entry *sbh; + + r_type = ELF32_R_TYPE (rel->r_info); + r_symndx = ELF32_R_SYM (rel->r_info); + + 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 && elf_discarded_section (sec)) + { + /* For relocs against symbols from removed linkonce sections, + or sections discarded by a linker script, we just want the + section contents zeroed. Avoid any special processing. */ + _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset); + rel->r_info = 0; + rel->r_addend = 0; + continue; + } + + if (info->relocatable) + 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: + case R_C6000_PCR_S12: + case R_C6000_PCR_S10: + case R_C6000_PCR_S7: + /* 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; + /* 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: + /* 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)) + 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_DSBT_INDEX: + case R_C6000_PREL31: + /* Shared libraries and exception handling support not + implemented. */ + (*_bfd_error_handler) (_("%B: relocation type %d not implemented"), + input_bfd, r_type); + ok = FALSE; + continue; + + 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); + + 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; +} + + +#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_MACHINE_CODE EM_TI_C6000 +#define ELF_MAXPAGESIZE 1 +#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 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_rela_normal 1 +#define elf_backend_relocate_section elf32_tic6x_relocate_section +#define elf_info_to_howto elf32_tic6x_info_to_howto +#define elf_info_to_howto_rel _bfd_elf_no_info_to_howto + +#include "elf32-target.h" |