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* elf64-mips.c: Improve reloc special_functions and handling of
SHT_MIPS_OPTIONS section. * elf32-mips.c (_bfd_mips_elf_hi16_reloc): Rename from mips_elf_hi16_reloc and make globally visible. (_bfd_mips_elf_lo16_reloc): Rename from mips_elf_lo16_reloc and make globally visible. (_bfd_mips_elf_got16_reloc): Rename from mips_elf_got16_reloc and make globally visible. (_bfd_mips_elf_gprel16_reloc): Rename from mips_elf_gprel16_reloc and make globally visible. (gprel16_with_gp): Check howto->src_mask before using value in insn. (_bfd_mips_elf_gprel32_reloc): Rename from mips_elf_gprel32_reloc and make globally visible. (gprel32_with_gp): Check howto->src_mask before fetching value. (bfd_mips_elf_swap_options_in): New function. (bfd_mips_elf_swap_options_out): New function. (_bfd_mips_elf_set_private_flags): Rename from mips_elf_set_private_flags and make globally visible. (_bfd_mips_elf_copy_private_bfd_data): Rename from mips_elf_copy_private_bfd_data and make globally visible. (_bfd_mips_elf_merge_private_bfd_data): Rename from mips_elf_merge_private_bfd_data and make globally visible. (_bfd_mips_elf_section_from_shdr): Accept .MIPS.options as a name for a SHT_MIPS_OPTIONS section. (mips_elf32_section_from_shdr): Handle SHT_MIPS_OPTIONS section. (_bfd_mips_elf_fake_sections): Consider .MIPS.options to be the name of a SHT_MIPS_OPTIONS section. (_bfd_mips_elf_set_section_contents): New function. (mips_elf32_section_processing): Set the GP value in a SHT_MIPS_OPTIONS section. (_bfd_mips_elf_find_nearest_line): Rename from mips_elf_find_nearest_line and make globally visible. (bfd_elf32_set_section_contents): Define. * elf-bfd.h (_bfd_mips_elf_hi16_reloc): Declare. (_bfd_mips_elf_lo16_reloc): Declare. (_bfd_mips_elf_gprel16_reloc): Declare. (_bfd_mips_elf_got16_reloc): Declare. (_bfd_mips_elf_gprel32_reloc): Declare. (_bfd_mips_elf_set_private_flags): Declare. (_bfd_mips_elf_copy_private_bfd_data): Declare. (_bfd_mips_elf_merge_private_bfd_data): Declare. (_bfd_mips_elf_find_nearest_line): Declare. (_bfd_mips_elf_set_section_contents): Declare.
This commit is contained in:
Ian Lance Taylor
parent
38893c8cb8
commit
bc05732be6
@ -1,5 +1,50 @@
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Fri May 31 13:51:28 1996 Ian Lance Taylor <ian@cygnus.com>
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* elf64-mips.c: Improve reloc special_functions and handling of
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SHT_MIPS_OPTIONS section.
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* elf32-mips.c (_bfd_mips_elf_hi16_reloc): Rename from
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mips_elf_hi16_reloc and make globally visible.
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(_bfd_mips_elf_lo16_reloc): Rename from mips_elf_lo16_reloc and
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make globally visible.
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(_bfd_mips_elf_got16_reloc): Rename from mips_elf_got16_reloc and
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make globally visible.
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(_bfd_mips_elf_gprel16_reloc): Rename from mips_elf_gprel16_reloc
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and make globally visible.
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(gprel16_with_gp): Check howto->src_mask before using value in
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insn.
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(_bfd_mips_elf_gprel32_reloc): Rename from mips_elf_gprel32_reloc
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and make globally visible.
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(gprel32_with_gp): Check howto->src_mask before fetching value.
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(bfd_mips_elf_swap_options_in): New function.
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(bfd_mips_elf_swap_options_out): New function.
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(_bfd_mips_elf_set_private_flags): Rename from
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mips_elf_set_private_flags and make globally visible.
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(_bfd_mips_elf_copy_private_bfd_data): Rename from
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mips_elf_copy_private_bfd_data and make globally visible.
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(_bfd_mips_elf_merge_private_bfd_data): Rename from
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mips_elf_merge_private_bfd_data and make globally visible.
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(_bfd_mips_elf_section_from_shdr): Accept .MIPS.options as a name
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for a SHT_MIPS_OPTIONS section.
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(mips_elf32_section_from_shdr): Handle SHT_MIPS_OPTIONS section.
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(_bfd_mips_elf_fake_sections): Consider .MIPS.options to be the
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name of a SHT_MIPS_OPTIONS section.
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(_bfd_mips_elf_set_section_contents): New function.
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(mips_elf32_section_processing): Set the GP value in a
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SHT_MIPS_OPTIONS section.
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(_bfd_mips_elf_find_nearest_line): Rename from
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mips_elf_find_nearest_line and make globally visible.
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(bfd_elf32_set_section_contents): Define.
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* elf-bfd.h (_bfd_mips_elf_hi16_reloc): Declare.
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(_bfd_mips_elf_lo16_reloc): Declare.
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(_bfd_mips_elf_gprel16_reloc): Declare.
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(_bfd_mips_elf_got16_reloc): Declare.
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(_bfd_mips_elf_gprel32_reloc): Declare.
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(_bfd_mips_elf_set_private_flags): Declare.
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(_bfd_mips_elf_copy_private_bfd_data): Declare.
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(_bfd_mips_elf_merge_private_bfd_data): Declare.
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(_bfd_mips_elf_find_nearest_line): Declare.
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(_bfd_mips_elf_set_section_contents): Declare.
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* elf32-hppa.c (elf32_hppa_info_to_howto): Rename from
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elf_info_to_howto.
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(elf_info_to_howto): Define.
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312
bfd/elf32-mips.c
312
bfd/elf32-mips.c
@ -41,41 +41,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#define ECOFF_32
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#include "ecoffswap.h"
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static bfd_reloc_status_type mips_elf_hi16_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static bfd_reloc_status_type mips_elf_got16_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static bfd_reloc_status_type mips_elf_lo16_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static bfd_reloc_status_type mips_elf_gprel16_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static bfd_reloc_status_type mips_elf_gprel32_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
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PARAMS ((bfd *, bfd_reloc_code_real_type));
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static void mips_info_to_howto_rel
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@ -91,18 +56,12 @@ static boolean mips_elf_create_procedure_table
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struct ecoff_debug_info *));
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static int mips_elf_additional_program_headers PARAMS ((bfd *));
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static boolean mips_elf_modify_segment_map PARAMS ((bfd *));
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static boolean mips_elf_set_private_flags PARAMS ((bfd *, flagword));
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static boolean mips_elf_copy_private_bfd_data PARAMS ((bfd *, bfd *));
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static boolean mips_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *));
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static boolean mips_elf32_section_from_shdr
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PARAMS ((bfd *, Elf32_Internal_Shdr *, char *));
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static boolean mips_elf32_section_processing
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PARAMS ((bfd *, Elf32_Internal_Shdr *));
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static boolean mips_elf_is_local_label
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PARAMS ((bfd *, asymbol *));
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static boolean mips_elf_find_nearest_line
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PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
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const char **, unsigned int *));
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static struct bfd_hash_entry *mips_elf_link_hash_newfunc
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PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
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static struct bfd_link_hash_table *mips_elf_link_hash_table_create
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@ -427,7 +386,7 @@ static reloc_howto_type elf_mips_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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mips_elf_hi16_reloc, /* special_function */
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_bfd_mips_elf_hi16_reloc, /* special_function */
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"R_MIPS_HI16", /* name */
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true, /* partial_inplace */
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0xffff, /* src_mask */
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@ -442,7 +401,7 @@ static reloc_howto_type elf_mips_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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mips_elf_lo16_reloc, /* special_function */
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_bfd_mips_elf_lo16_reloc, /* special_function */
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"R_MIPS_LO16", /* name */
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true, /* partial_inplace */
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0xffff, /* src_mask */
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@ -457,7 +416,7 @@ static reloc_howto_type elf_mips_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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mips_elf_gprel16_reloc, /* special_function */
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_bfd_mips_elf_gprel16_reloc, /* special_function */
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"R_MIPS_GPREL16", /* name */
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true, /* partial_inplace */
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0xffff, /* src_mask */
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@ -472,7 +431,7 @@ static reloc_howto_type elf_mips_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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mips_elf_gprel16_reloc, /* special_function */
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_bfd_mips_elf_gprel16_reloc, /* special_function */
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"R_MIPS_LITERAL", /* name */
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true, /* partial_inplace */
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0xffff, /* src_mask */
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@ -487,7 +446,7 @@ static reloc_howto_type elf_mips_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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mips_elf_got16_reloc, /* special_function */
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_bfd_mips_elf_got16_reloc, /* special_function */
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"R_MIPS_GOT16", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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@ -533,7 +492,7 @@ static reloc_howto_type elf_mips_howto_table[] =
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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mips_elf_gprel32_reloc, /* special_function */
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_bfd_mips_elf_gprel32_reloc, /* special_function */
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"R_MIPS_GPREL32", /* name */
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true, /* partial_inplace */
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0xffffffff, /* src_mask */
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@ -727,8 +686,8 @@ struct mips_hi16
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static struct mips_hi16 *mips_hi16_list;
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static bfd_reloc_status_type
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mips_elf_hi16_reloc (abfd,
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bfd_reloc_status_type
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_bfd_mips_elf_hi16_reloc (abfd,
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reloc_entry,
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symbol,
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data,
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@ -820,8 +779,8 @@ mips_elf_hi16_reloc (abfd,
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inplace relocation; this function exists in order to do the
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R_MIPS_HI16 relocation described above. */
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static bfd_reloc_status_type
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mips_elf_lo16_reloc (abfd,
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bfd_reloc_status_type
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_bfd_mips_elf_lo16_reloc (abfd,
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reloc_entry,
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symbol,
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data,
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@ -930,8 +889,8 @@ mips_elf_lo16_reloc (abfd,
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This implementation suffices for the assembler, but the linker does
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not yet know how to create global offset tables. */
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static bfd_reloc_status_type
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mips_elf_got16_reloc (abfd,
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bfd_reloc_status_type
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_bfd_mips_elf_got16_reloc (abfd,
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reloc_entry,
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symbol,
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data,
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@ -960,8 +919,8 @@ mips_elf_got16_reloc (abfd,
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just like HI16. */
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if (output_bfd != (bfd *) NULL
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&& (symbol->flags & BSF_SECTION_SYM) != 0)
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return mips_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
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input_section, output_bfd, error_message);
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return _bfd_mips_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
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input_section, output_bfd, error_message);
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abort ();
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}
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@ -1050,14 +1009,9 @@ static bfd_reloc_status_type gprel16_with_gp PARAMS ((bfd *, asymbol *,
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arelent *, asection *,
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boolean, PTR, bfd_vma));
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static bfd_reloc_status_type
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mips_elf_gprel16_reloc (abfd,
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reloc_entry,
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symbol,
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data,
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input_section,
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output_bfd,
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error_message)
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bfd_reloc_status_type
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_bfd_mips_elf_gprel16_reloc (abfd, reloc_entry, symbol, data, input_section,
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output_bfd, error_message)
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bfd *abfd;
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arelent *reloc_entry;
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asymbol *symbol;
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@ -1128,9 +1082,17 @@ gprel16_with_gp (abfd, symbol, reloc_entry, input_section, relocateable, data,
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insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
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/* Set val to the offset into the section or symbol. */
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val = ((insn & 0xffff) + reloc_entry->addend) & 0xffff;
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if (val & 0x8000)
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val -= 0x10000;
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if (reloc_entry->howto->src_mask == 0)
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{
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/* This case occurs with the 64-bit MIPS ELF ABI. */
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val = reloc_entry->addend;
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}
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else
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{
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val = ((insn & 0xffff) + reloc_entry->addend) & 0xffff;
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if (val & 0x8000)
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val -= 0x10000;
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}
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/* Adjust val for the final section location and GP value. If we
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are producing relocateable output, we don't want to do this for
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@ -1159,8 +1121,8 @@ static bfd_reloc_status_type gprel32_with_gp PARAMS ((bfd *, asymbol *,
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arelent *, asection *,
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boolean, PTR, bfd_vma));
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static bfd_reloc_status_type
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mips_elf_gprel32_reloc (abfd,
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bfd_reloc_status_type
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_bfd_mips_elf_gprel32_reloc (abfd,
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reloc_entry,
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symbol,
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data,
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@ -1237,7 +1199,13 @@ gprel32_with_gp (abfd, symbol, reloc_entry, input_section, relocateable, data,
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if (reloc_entry->address > input_section->_cooked_size)
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return bfd_reloc_outofrange;
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val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
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if (reloc_entry->howto->src_mask == 0)
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{
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/* This case arises with the 64-bit MIPS ELF ABI. */
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val = 0;
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}
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else
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val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
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/* Set val to the offset into the section or symbol. */
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val += reloc_entry->addend;
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@ -1420,6 +1388,34 @@ bfd_elf32_swap_crinfo_out (abfd, in, ex)
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bfd_h_put_32 (abfd, (bfd_vma) in->konst, ex->konst);
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bfd_h_put_32 (abfd, (bfd_vma) in->vaddr, ex->vaddr);
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}
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/* Swap in an options header. */
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void
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bfd_mips_elf_swap_options_in (abfd, ex, in)
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bfd *abfd;
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const Elf_External_Options *ex;
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Elf_Internal_Options *in;
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{
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in->kind = bfd_h_get_8 (abfd, ex->kind);
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in->size = bfd_h_get_8 (abfd, ex->size);
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in->section = bfd_h_get_16 (abfd, ex->section);
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in->info = bfd_h_get_32 (abfd, ex->info);
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}
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/* Swap out an options header. */
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void
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bfd_mips_elf_swap_options_out (abfd, in, ex)
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bfd *abfd;
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const Elf_Internal_Options *in;
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Elf_External_Options *ex;
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{
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bfd_h_put_8 (abfd, in->kind, ex->kind);
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bfd_h_put_8 (abfd, in->size, ex->size);
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bfd_h_put_16 (abfd, in->section, ex->section);
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bfd_h_put_32 (abfd, in->info, ex->info);
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}
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/* Determine whether a symbol is global for the purposes of splitting
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the symbol table into global symbols and local symbols. At least
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@ -1543,8 +1539,8 @@ _bfd_mips_elf_final_write_processing (abfd, linker)
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/* Function to keep MIPS specific file flags like as EF_MIPS_PIC. */
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static boolean
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mips_elf_set_private_flags (abfd, flags)
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boolean
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_bfd_mips_elf_set_private_flags (abfd, flags)
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bfd *abfd;
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flagword flags;
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{
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@ -1558,8 +1554,8 @@ mips_elf_set_private_flags (abfd, flags)
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/* Copy backend specific data from one object module to another */
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static boolean
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mips_elf_copy_private_bfd_data (ibfd, obfd)
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boolean
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_bfd_mips_elf_copy_private_bfd_data (ibfd, obfd)
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bfd *ibfd;
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bfd *obfd;
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{
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@ -1582,8 +1578,8 @@ mips_elf_copy_private_bfd_data (ibfd, obfd)
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/* Merge backend specific data from an object file to the output
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object file when linking. */
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static boolean
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mips_elf_merge_private_bfd_data (ibfd, obfd)
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boolean
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_bfd_mips_elf_merge_private_bfd_data (ibfd, obfd)
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bfd *ibfd;
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bfd *obfd;
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{
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@ -1705,7 +1701,8 @@ _bfd_mips_elf_section_from_shdr (abfd, hdr, name)
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return false;
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||||
break;
|
||||
case SHT_MIPS_OPTIONS:
|
||||
if (strcmp (name, ".options") != 0)
|
||||
if (strcmp (name, ".options") != 0
|
||||
&& strcmp (name, ".MIPS.options") != 0)
|
||||
return false;
|
||||
break;
|
||||
case SHT_MIPS_DWARF:
|
||||
@ -1764,6 +1761,47 @@ mips_elf32_section_from_shdr (abfd, hdr, name)
|
||||
elf_gp (abfd) = s.ri_gp_value;
|
||||
}
|
||||
|
||||
/* For a SHT_MIPS_OPTIONS section, look for a ODK_REGINFO entry, and
|
||||
set the gp value based on what we find. We may see both
|
||||
SHT_MIPS_REGINFO and SHT_MIPS_OPTIONS/ODK_REGINFO; in that case,
|
||||
they should agree. */
|
||||
if (hdr->sh_type == SHT_MIPS_OPTIONS)
|
||||
{
|
||||
bfd_byte *contents, *l, *lend;
|
||||
|
||||
contents = (bfd_byte *) bfd_malloc (hdr->sh_size);
|
||||
if (contents == NULL)
|
||||
return false;
|
||||
if (! bfd_get_section_contents (abfd, hdr->bfd_section, contents,
|
||||
(file_ptr) 0, hdr->sh_size))
|
||||
{
|
||||
free (contents);
|
||||
return false;
|
||||
}
|
||||
l = contents;
|
||||
lend = contents + hdr->sh_size;
|
||||
while (l + sizeof (Elf_External_Options) <= lend)
|
||||
{
|
||||
Elf_Internal_Options intopt;
|
||||
|
||||
bfd_mips_elf_swap_options_in (abfd, (Elf_External_Options *) l,
|
||||
&intopt);
|
||||
if (intopt.kind == ODK_REGINFO)
|
||||
{
|
||||
Elf32_RegInfo intreg;
|
||||
|
||||
bfd_mips_elf32_swap_reginfo_in
|
||||
(abfd,
|
||||
((Elf32_External_RegInfo *)
|
||||
(l + sizeof (Elf_External_Options))),
|
||||
&intreg);
|
||||
elf_gp (abfd) = intreg.ri_gp_value;
|
||||
}
|
||||
l += intopt.size;
|
||||
}
|
||||
free (contents);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -1842,7 +1880,8 @@ _bfd_mips_elf_fake_sections (abfd, hdr, sec)
|
||||
|| strcmp (name, ".lit4") == 0
|
||||
|| strcmp (name, ".lit8") == 0)
|
||||
hdr->sh_flags |= SHF_MIPS_GPREL;
|
||||
else if (strcmp (name, ".options") == 0)
|
||||
else if (strcmp (name, ".options") == 0
|
||||
|| strcmp (name, ".MIPS.options") == 0)
|
||||
{
|
||||
hdr->sh_type = SHT_MIPS_OPTIONS;
|
||||
hdr->sh_entsize = 1;
|
||||
@ -1881,11 +1920,56 @@ _bfd_mips_elf_section_from_bfd_section (abfd, hdr, sec, retval)
|
||||
return false;
|
||||
}
|
||||
|
||||
/* Work over a section just before writing it out. We update the GP
|
||||
value in the .reginfo section based on the value we are using.
|
||||
This routine is used by both the 32-bit and the 64-bit ABI. FIXME:
|
||||
We recognize sections that need the SHF_MIPS_GPREL flag by name;
|
||||
there has to be a better way. */
|
||||
/* When are writing out the .options or .MIPS.options section,
|
||||
remember the bytes we are writing out, so that we can install the
|
||||
GP value in the section_processing routine. */
|
||||
|
||||
boolean
|
||||
_bfd_mips_elf_set_section_contents (abfd, section, location, offset, count)
|
||||
bfd *abfd;
|
||||
sec_ptr section;
|
||||
PTR location;
|
||||
file_ptr offset;
|
||||
bfd_size_type count;
|
||||
{
|
||||
if (strcmp (section->name, ".options") == 0
|
||||
|| strcmp (section->name, ".MIPS.options") == 0)
|
||||
{
|
||||
bfd_byte *c;
|
||||
|
||||
if (elf_section_data (section) == NULL)
|
||||
{
|
||||
section->used_by_bfd =
|
||||
(PTR) bfd_zalloc (abfd, sizeof (struct bfd_elf_section_data));
|
||||
if (elf_section_data (section) == NULL)
|
||||
return false;
|
||||
}
|
||||
c = (bfd_byte *) elf_section_data (section)->tdata;
|
||||
if (c == NULL)
|
||||
{
|
||||
bfd_size_type size;
|
||||
|
||||
if (section->_cooked_size != 0)
|
||||
size = section->_cooked_size;
|
||||
else
|
||||
size = section->_raw_size;
|
||||
c = (PTR) bfd_zalloc (abfd, size);
|
||||
if (c == NULL)
|
||||
return false;
|
||||
elf_section_data (section)->tdata = (PTR) c;
|
||||
}
|
||||
|
||||
memcpy (c + offset, location, count);
|
||||
}
|
||||
|
||||
return _bfd_elf_set_section_contents (abfd, section, location, offset,
|
||||
count);
|
||||
}
|
||||
|
||||
/* Work over a section just before writing it out. This routine is
|
||||
used by both the 32-bit and the 64-bit ABI. FIXME: We recognize
|
||||
sections that need the SHF_MIPS_GPREL flag by name; there has to be
|
||||
a better way. */
|
||||
|
||||
boolean
|
||||
_bfd_mips_elf_section_processing (abfd, hdr)
|
||||
@ -1934,8 +2018,8 @@ _bfd_mips_elf_section_processing (abfd, hdr)
|
||||
}
|
||||
|
||||
/* Work over a section just before writing it out. We update the GP
|
||||
value in the .reginfo section based on the value we are using. The
|
||||
64 bit ABI does not use the .reginfo section. */
|
||||
value in the SHT_MIPS_REGINFO and SHT_MIPS_OPTIONS sections based
|
||||
on the value we are using. */
|
||||
|
||||
static boolean
|
||||
mips_elf32_section_processing (abfd, hdr)
|
||||
@ -1958,6 +2042,48 @@ mips_elf32_section_processing (abfd, hdr)
|
||||
return false;
|
||||
}
|
||||
|
||||
if (hdr->sh_type == SHT_MIPS_OPTIONS
|
||||
&& hdr->bfd_section != NULL
|
||||
&& elf_section_data (hdr->bfd_section) != NULL
|
||||
&& elf_section_data (hdr->bfd_section)->tdata != NULL)
|
||||
{
|
||||
bfd_byte *contents, *l, *lend;
|
||||
|
||||
/* We stored the section contents in the elf_section_data tdata
|
||||
field in the set_section_contents routine. We save the
|
||||
section contents so that we don't have to read them again.
|
||||
At this point we know that elf_gp is set, so we can look
|
||||
through the section contents to see if there is an
|
||||
ODK_REGINFO structure. */
|
||||
|
||||
contents = (bfd_byte *) elf_section_data (hdr->bfd_section)->tdata;
|
||||
l = contents;
|
||||
lend = contents + hdr->sh_size;
|
||||
while (l + sizeof (Elf_External_Options) <= lend)
|
||||
{
|
||||
Elf_Internal_Options intopt;
|
||||
|
||||
bfd_mips_elf_swap_options_in (abfd, (Elf_External_Options *) l,
|
||||
&intopt);
|
||||
if (intopt.kind == ODK_REGINFO)
|
||||
{
|
||||
bfd_byte buf[4];
|
||||
|
||||
if (bfd_seek (abfd,
|
||||
(hdr->sh_offset
|
||||
+ (l - contents)
|
||||
+ sizeof (Elf_External_Options)
|
||||
+ (sizeof (Elf32_External_RegInfo) - 4)),
|
||||
SEEK_SET) == -1)
|
||||
return false;
|
||||
bfd_h_put_32 (abfd, elf_gp (abfd), buf);
|
||||
if (bfd_write (buf, 1, 4, abfd) != 4)
|
||||
return false;
|
||||
}
|
||||
l += intopt.size;
|
||||
}
|
||||
}
|
||||
|
||||
return _bfd_mips_elf_section_processing (abfd, hdr);
|
||||
}
|
||||
|
||||
@ -2408,9 +2534,9 @@ struct mips_elf_find_line
|
||||
struct ecoff_find_line i;
|
||||
};
|
||||
|
||||
static boolean
|
||||
mips_elf_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
|
||||
functionname_ptr, line_ptr)
|
||||
boolean
|
||||
_bfd_mips_elf_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
|
||||
functionname_ptr, line_ptr)
|
||||
bfd *abfd;
|
||||
asection *section;
|
||||
asymbol **symbols;
|
||||
@ -5839,7 +5965,7 @@ elf32_mips_get_relocated_section_contents (abfd, link_info, link_order, data,
|
||||
fall over on its own. */
|
||||
}
|
||||
else if ((*parent)->howto->special_function
|
||||
== mips_elf_gprel16_reloc)
|
||||
== _bfd_mips_elf_gprel16_reloc)
|
||||
{
|
||||
/* bypass special_function call */
|
||||
r = gprel16_with_gp (input_bfd, sym, *parent, input_section,
|
||||
@ -5980,16 +6106,16 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap =
|
||||
#define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap
|
||||
|
||||
#define bfd_elf32_bfd_is_local_label mips_elf_is_local_label
|
||||
#define bfd_elf32_find_nearest_line mips_elf_find_nearest_line
|
||||
|
||||
#define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line
|
||||
#define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents
|
||||
#define bfd_elf32_bfd_link_hash_table_create \
|
||||
mips_elf_link_hash_table_create
|
||||
#define bfd_elf32_bfd_final_link mips_elf_final_link
|
||||
#define bfd_elf32_bfd_copy_private_bfd_data \
|
||||
mips_elf_copy_private_bfd_data
|
||||
_bfd_mips_elf_copy_private_bfd_data
|
||||
#define bfd_elf32_bfd_merge_private_bfd_data \
|
||||
mips_elf_merge_private_bfd_data
|
||||
#define bfd_elf32_bfd_set_private_flags mips_elf_set_private_flags
|
||||
_bfd_mips_elf_merge_private_bfd_data
|
||||
#define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags
|
||||
#define elf_backend_add_symbol_hook mips_elf_add_symbol_hook
|
||||
#define elf_backend_create_dynamic_sections \
|
||||
mips_elf_create_dynamic_sections
|
||||
|
||||
176
bfd/elf64-mips.c
176
bfd/elf64-mips.c
@ -67,6 +67,8 @@ static boolean mips_elf64_slurp_reloc_table
|
||||
static void mips_elf64_write_relocs PARAMS ((bfd *, asection *, PTR));
|
||||
static boolean mips_elf64_section_from_shdr
|
||||
PARAMS ((bfd *, Elf_Internal_Shdr *, char *));
|
||||
static boolean mips_elf64_section_processing
|
||||
PARAMS ((bfd *, Elf_Internal_Shdr *));
|
||||
|
||||
/* The relocation types. */
|
||||
|
||||
@ -117,14 +119,6 @@ enum mips_elf64_reloc_type
|
||||
from smaller values. Start with zero, widen, *then* decrement. */
|
||||
#define MINUS_ONE (((bfd_vma)0) - 1)
|
||||
|
||||
/* FIXME: These need to be rewritten, or we need to use the versions
|
||||
in elf32-mips.c. */
|
||||
#define mips_elf_hi16_reloc bfd_elf_generic_reloc
|
||||
#define mips_elf_lo16_reloc bfd_elf_generic_reloc
|
||||
#define mips_elf_gprel16_reloc bfd_elf_generic_reloc
|
||||
#define mips_elf_got16_reloc bfd_elf_generic_reloc
|
||||
#define mips_elf_gprel32_reloc bfd_elf_generic_reloc
|
||||
|
||||
/* The relocation table used for SHT_REL sections. */
|
||||
|
||||
static reloc_howto_type mips_elf64_howto_table_rel[] =
|
||||
@ -215,7 +209,7 @@ static reloc_howto_type mips_elf64_howto_table_rel[] =
|
||||
false, /* pc_relative */
|
||||
0, /* bitpos */
|
||||
complain_overflow_dont, /* complain_on_overflow */
|
||||
mips_elf_hi16_reloc, /* special_function */
|
||||
_bfd_mips_elf_hi16_reloc, /* special_function */
|
||||
"R_MIPS_HI16", /* name */
|
||||
true, /* partial_inplace */
|
||||
0xffff, /* src_mask */
|
||||
@ -230,7 +224,7 @@ static reloc_howto_type mips_elf64_howto_table_rel[] =
|
||||
false, /* pc_relative */
|
||||
0, /* bitpos */
|
||||
complain_overflow_dont, /* complain_on_overflow */
|
||||
mips_elf_lo16_reloc, /* special_function */
|
||||
_bfd_mips_elf_lo16_reloc, /* special_function */
|
||||
"R_MIPS_LO16", /* name */
|
||||
true, /* partial_inplace */
|
||||
0xffff, /* src_mask */
|
||||
@ -245,7 +239,7 @@ static reloc_howto_type mips_elf64_howto_table_rel[] =
|
||||
false, /* pc_relative */
|
||||
0, /* bitpos */
|
||||
complain_overflow_signed, /* complain_on_overflow */
|
||||
mips_elf_gprel16_reloc, /* special_function */
|
||||
_bfd_mips_elf_gprel16_reloc, /* special_function */
|
||||
"R_MIPS_GPREL16", /* name */
|
||||
true, /* partial_inplace */
|
||||
0xffff, /* src_mask */
|
||||
@ -260,7 +254,7 @@ static reloc_howto_type mips_elf64_howto_table_rel[] =
|
||||
false, /* pc_relative */
|
||||
0, /* bitpos */
|
||||
complain_overflow_signed, /* complain_on_overflow */
|
||||
mips_elf_gprel16_reloc, /* special_function */
|
||||
_bfd_mips_elf_gprel16_reloc, /* special_function */
|
||||
"R_MIPS_LITERAL", /* name */
|
||||
true, /* partial_inplace */
|
||||
0xffff, /* src_mask */
|
||||
@ -275,7 +269,7 @@ static reloc_howto_type mips_elf64_howto_table_rel[] =
|
||||
false, /* pc_relative */
|
||||
0, /* bitpos */
|
||||
complain_overflow_signed, /* complain_on_overflow */
|
||||
mips_elf_got16_reloc, /* special_function */
|
||||
_bfd_mips_elf_got16_reloc, /* special_function */
|
||||
"R_MIPS_GOT16", /* name */
|
||||
false, /* partial_inplace */
|
||||
0, /* src_mask */
|
||||
@ -321,7 +315,7 @@ static reloc_howto_type mips_elf64_howto_table_rel[] =
|
||||
false, /* pc_relative */
|
||||
0, /* bitpos */
|
||||
complain_overflow_bitfield, /* complain_on_overflow */
|
||||
mips_elf_gprel32_reloc, /* special_function */
|
||||
_bfd_mips_elf_gprel32_reloc, /* special_function */
|
||||
"R_MIPS_GPREL32", /* name */
|
||||
true, /* partial_inplace */
|
||||
0xffffffff, /* src_mask */
|
||||
@ -782,7 +776,7 @@ static reloc_howto_type mips_elf64_howto_table_rela[] =
|
||||
false, /* pc_relative */
|
||||
0, /* bitpos */
|
||||
complain_overflow_signed, /* complain_on_overflow */
|
||||
mips_elf_gprel16_reloc, /* special_function */
|
||||
_bfd_mips_elf_gprel16_reloc, /* special_function */
|
||||
"R_MIPS_GPREL16", /* name */
|
||||
true, /* partial_inplace */
|
||||
0, /* src_mask */
|
||||
@ -797,7 +791,7 @@ static reloc_howto_type mips_elf64_howto_table_rela[] =
|
||||
false, /* pc_relative */
|
||||
0, /* bitpos */
|
||||
complain_overflow_signed, /* complain_on_overflow */
|
||||
mips_elf_gprel16_reloc, /* special_function */
|
||||
_bfd_mips_elf_gprel16_reloc, /* special_function */
|
||||
"R_MIPS_LITERAL", /* name */
|
||||
true, /* partial_inplace */
|
||||
0, /* src_mask */
|
||||
@ -805,6 +799,7 @@ static reloc_howto_type mips_elf64_howto_table_rela[] =
|
||||
false), /* pcrel_offset */
|
||||
|
||||
/* Reference to global offset table. */
|
||||
/* FIXME: This is not handled correctly. */
|
||||
HOWTO (R_MIPS_GOT16, /* type */
|
||||
0, /* rightshift */
|
||||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||||
@ -812,7 +807,7 @@ static reloc_howto_type mips_elf64_howto_table_rela[] =
|
||||
false, /* pc_relative */
|
||||
0, /* bitpos */
|
||||
complain_overflow_signed, /* complain_on_overflow */
|
||||
mips_elf_got16_reloc, /* special_function */
|
||||
bfd_elf_generic_reloc, /* special_function */
|
||||
"R_MIPS_GOT16", /* name */
|
||||
false, /* partial_inplace */
|
||||
0, /* src_mask */
|
||||
@ -858,7 +853,7 @@ static reloc_howto_type mips_elf64_howto_table_rela[] =
|
||||
false, /* pc_relative */
|
||||
0, /* bitpos */
|
||||
complain_overflow_bitfield, /* complain_on_overflow */
|
||||
mips_elf_gprel32_reloc, /* special_function */
|
||||
_bfd_mips_elf_gprel32_reloc, /* special_function */
|
||||
"R_MIPS_GPREL32", /* name */
|
||||
true, /* partial_inplace */
|
||||
0, /* src_mask */
|
||||
@ -1725,6 +1720,47 @@ mips_elf64_write_relocs (abfd, sec, data)
|
||||
== count);
|
||||
}
|
||||
|
||||
/* The .MIPS.options section holds register information in an
|
||||
Elf64_Reginfo structure. These routines swap them in and out.
|
||||
They are globally visible because they are used outside of BFD. */
|
||||
|
||||
void
|
||||
bfd_mips_elf64_swap_reginfo_in (abfd, ex, in)
|
||||
bfd *abfd;
|
||||
const Elf64_External_RegInfo *ex;
|
||||
Elf64_Internal_RegInfo *in;
|
||||
{
|
||||
in->ri_gprmask = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_gprmask);
|
||||
in->ri_pad = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_pad);
|
||||
in->ri_cprmask[0] = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_cprmask[0]);
|
||||
in->ri_cprmask[1] = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_cprmask[1]);
|
||||
in->ri_cprmask[2] = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_cprmask[2]);
|
||||
in->ri_cprmask[3] = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_cprmask[3]);
|
||||
in->ri_gp_value = bfd_h_get_64 (abfd, (bfd_byte *) ex->ri_gp_value);
|
||||
}
|
||||
|
||||
void
|
||||
bfd_mips_elf64_swap_reginfo_out (abfd, in, ex)
|
||||
bfd *abfd;
|
||||
const Elf64_Internal_RegInfo *in;
|
||||
Elf64_External_RegInfo *ex;
|
||||
{
|
||||
bfd_h_put_32 (abfd, (bfd_vma) in->ri_gprmask,
|
||||
(bfd_byte *) ex->ri_gprmask);
|
||||
bfd_h_put_32 (abfd, (bfd_vma) in->ri_pad,
|
||||
(bfd_byte *) ex->ri_pad);
|
||||
bfd_h_put_32 (abfd, (bfd_vma) in->ri_cprmask[0],
|
||||
(bfd_byte *) ex->ri_cprmask[0]);
|
||||
bfd_h_put_32 (abfd, (bfd_vma) in->ri_cprmask[1],
|
||||
(bfd_byte *) ex->ri_cprmask[1]);
|
||||
bfd_h_put_32 (abfd, (bfd_vma) in->ri_cprmask[2],
|
||||
(bfd_byte *) ex->ri_cprmask[2]);
|
||||
bfd_h_put_32 (abfd, (bfd_vma) in->ri_cprmask[3],
|
||||
(bfd_byte *) ex->ri_cprmask[3]);
|
||||
bfd_h_put_64 (abfd, (bfd_vma) in->ri_gp_value,
|
||||
(bfd_byte *) ex->ri_gp_value);
|
||||
}
|
||||
|
||||
/* Handle a 64-bit MIPS ELF specific section. */
|
||||
|
||||
static boolean
|
||||
@ -1736,8 +1772,103 @@ mips_elf64_section_from_shdr (abfd, hdr, name)
|
||||
if (! _bfd_mips_elf_section_from_shdr (abfd, hdr, name))
|
||||
return false;
|
||||
|
||||
/* For a SHT_MIPS_OPTIONS section, look for a ODK_REGINFO entry, and
|
||||
set the gp value based on what we find. We may see both
|
||||
SHT_MIPS_REGINFO and SHT_MIPS_OPTIONS/ODK_REGINFO; in that case,
|
||||
they should agree. */
|
||||
if (hdr->sh_type == SHT_MIPS_OPTIONS)
|
||||
{
|
||||
bfd_byte *contents, *l, *lend;
|
||||
|
||||
contents = (bfd_byte *) bfd_malloc (hdr->sh_size);
|
||||
if (contents == NULL)
|
||||
return false;
|
||||
if (! bfd_get_section_contents (abfd, hdr->bfd_section, contents,
|
||||
(file_ptr) 0, hdr->sh_size))
|
||||
{
|
||||
free (contents);
|
||||
return false;
|
||||
}
|
||||
l = contents;
|
||||
lend = contents + hdr->sh_size;
|
||||
while (l + sizeof (Elf_External_Options) <= lend)
|
||||
{
|
||||
Elf_Internal_Options intopt;
|
||||
|
||||
bfd_mips_elf_swap_options_in (abfd, (Elf_External_Options *) l,
|
||||
&intopt);
|
||||
if (intopt.kind == ODK_REGINFO)
|
||||
{
|
||||
Elf64_Internal_RegInfo intreg;
|
||||
|
||||
bfd_mips_elf64_swap_reginfo_in
|
||||
(abfd,
|
||||
((Elf64_External_RegInfo *)
|
||||
(l + sizeof (Elf_External_Options))),
|
||||
&intreg);
|
||||
elf_gp (abfd) = intreg.ri_gp_value;
|
||||
}
|
||||
l += intopt.size;
|
||||
}
|
||||
free (contents);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Work over a section just before writing it out. We update the GP
|
||||
value in the SHT_MIPS_OPTIONS section based on the value we are
|
||||
using. */
|
||||
|
||||
static boolean
|
||||
mips_elf64_section_processing (abfd, hdr)
|
||||
bfd *abfd;
|
||||
Elf_Internal_Shdr *hdr;
|
||||
{
|
||||
if (hdr->sh_type == SHT_MIPS_OPTIONS
|
||||
&& hdr->bfd_section != NULL
|
||||
&& elf_section_data (hdr->bfd_section) != NULL
|
||||
&& elf_section_data (hdr->bfd_section)->tdata != NULL)
|
||||
{
|
||||
bfd_byte *contents, *l, *lend;
|
||||
|
||||
/* We stored the section contents in the elf_section_data tdata
|
||||
field in the set_section_contents routine. We save the
|
||||
section contents so that we don't have to read them again.
|
||||
At this point we know that elf_gp is set, so we can look
|
||||
through the section contents to see if there is an
|
||||
ODK_REGINFO structure. */
|
||||
|
||||
contents = (bfd_byte *) elf_section_data (hdr->bfd_section)->tdata;
|
||||
l = contents;
|
||||
lend = contents + hdr->sh_size;
|
||||
while (l + sizeof (Elf_External_Options) <= lend)
|
||||
{
|
||||
Elf_Internal_Options intopt;
|
||||
|
||||
bfd_mips_elf_swap_options_in (abfd, (Elf_External_Options *) l,
|
||||
&intopt);
|
||||
if (intopt.kind == ODK_REGINFO)
|
||||
{
|
||||
bfd_byte buf[8];
|
||||
|
||||
if (bfd_seek (abfd,
|
||||
(hdr->sh_offset
|
||||
+ (l - contents)
|
||||
+ sizeof (Elf_External_Options)
|
||||
+ (sizeof (Elf64_External_RegInfo) - 8)),
|
||||
SEEK_SET) == -1)
|
||||
return false;
|
||||
bfd_h_put_64 (abfd, elf_gp (abfd), buf);
|
||||
if (bfd_write (buf, 1, 8, abfd) != 8)
|
||||
return false;
|
||||
}
|
||||
l += intopt.size;
|
||||
}
|
||||
}
|
||||
|
||||
return _bfd_mips_elf_section_processing (abfd, hdr);
|
||||
}
|
||||
|
||||
/* ECOFF swapping routines. These are used when dealing with the
|
||||
.mdebug section, which is in the ECOFF debugging format. */
|
||||
@ -1822,13 +1953,20 @@ const struct elf_size_info mips_elf64_size_info =
|
||||
#define elf_backend_fake_sections _bfd_mips_elf_fake_sections
|
||||
#define elf_backend_section_from_bfd_section \
|
||||
_bfd_mips_elf_section_from_bfd_section
|
||||
#define elf_backend_section_processing _bfd_mips_elf_section_processing
|
||||
#define elf_backend_section_processing mips_elf64_section_processing
|
||||
#define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing
|
||||
#define elf_backend_final_write_processing \
|
||||
_bfd_mips_elf_final_write_processing
|
||||
#define elf_backend_ecoff_debug_swap &mips_elf64_ecoff_debug_swap
|
||||
|
||||
#define bfd_elf64_find_nearest_line _bfd_mips_elf_find_nearest_line
|
||||
#define bfd_elf64_get_reloc_upper_bound mips_elf64_get_reloc_upper_bound
|
||||
#define bfd_elf64_bfd_reloc_type_lookup mips_elf64_reloc_type_lookup
|
||||
#define bfd_elf64_set_section_contents _bfd_mips_elf_set_section_contents
|
||||
#define bfd_elf64_bfd_copy_private_bfd_data \
|
||||
_bfd_mips_elf_copy_private_bfd_data
|
||||
#define bfd_elf64_bfd_merge_private_bfd_data \
|
||||
_bfd_mips_elf_merge_private_bfd_data
|
||||
#define bfd_elf64_bfd_set_private_flags _bfd_mips_elf_set_private_flags
|
||||
|
||||
#include "elf64-target.h"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user