diff options
Diffstat (limited to 'bfd/elf32-dlx.c')
| -rw-r--r-- | bfd/elf32-dlx.c | 446 |
1 files changed, 207 insertions, 239 deletions
diff --git a/bfd/elf32-dlx.c b/bfd/elf32-dlx.c index 220a49b..ae42baf 100644 --- a/bfd/elf32-dlx.c +++ b/bfd/elf32-dlx.c @@ -15,7 +15,8 @@ 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. */ + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ #include "bfd.h" #include "sysdep.h" @@ -23,27 +24,6 @@ #include "elf-bfd.h" #include "elf/dlx.h" -int set_dlx_skip_hi16_flag PARAMS ((int)); - -static bfd_boolean elf32_dlx_check_relocs - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); -static void elf32_dlx_info_to_howto - PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); -static void elf32_dlx_info_to_howto_rel - PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); -static bfd_reloc_status_type elf32_dlx_relocate16 - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_reloc_status_type elf32_dlx_relocate26 - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static reloc_howto_type *elf32_dlx_reloc_type_lookup - PARAMS ((bfd *, bfd_reloc_code_real_type)); -static bfd_reloc_status_type _bfd_dlx_elf_hi16_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static reloc_howto_type * dlx_rtype_to_howto - PARAMS ((unsigned int)); - - #define USE_REL 1 #define bfd_elf32_bfd_reloc_type_lookup elf32_dlx_reloc_type_lookup @@ -51,164 +31,6 @@ static reloc_howto_type * dlx_rtype_to_howto #define elf_info_to_howto_rel elf32_dlx_info_to_howto_rel #define elf_backend_check_relocs elf32_dlx_check_relocs -static reloc_howto_type dlx_elf_howto_table[]= - { - /* No relocation. */ - HOWTO (R_DLX_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_DLX_NONE", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 8 bit relocation. */ - HOWTO (R_DLX_RELOC_8, /* type */ - 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ - 8, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_DLX_RELOC_8", /* name */ - TRUE, /* partial_inplace */ - 0xff, /* src_mask */ - 0xff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 16 bit relocation. */ - HOWTO (R_DLX_RELOC_16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_DLX_RELOC_16", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 32 bit relocation. */ - HOWTO (R_DLX_RELOC_32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_DLX_RELOC_32", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* GNU extension to record C++ vtable hierarchy */ - HOWTO (R_DLX_GNU_VTINHERIT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - NULL, /* special_function */ - "R_DLX_GNU_VTINHERIT", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* GNU extension to record C++ vtable member usage */ - HOWTO (R_DLX_GNU_VTENTRY, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - _bfd_elf_rel_vtable_reloc_fn,/* special_function */ - "R_DLX_GNU_VTENTRY", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE) /* pcrel_offset */ - }; - -/* 16 bit offset for pc-relative branches. */ -static reloc_howto_type elf_dlx_gnu_rel16_s2 = -HOWTO (R_DLX_RELOC_16_PCREL, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - elf32_dlx_relocate16, /* special_function */ - "R_DLX_RELOC_16_PCREL",/* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE); /* pcrel_offset */ - -/* 26 bit offset for pc-relative branches. */ -static reloc_howto_type elf_dlx_gnu_rel26_s2 = -HOWTO (R_DLX_RELOC_26_PCREL, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - elf32_dlx_relocate26, /* special_function */ - "R_DLX_RELOC_26_PCREL",/* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE); /* pcrel_offset */ - -/* High 16 bits of symbol value. */ -static reloc_howto_type elf_dlx_reloc_16_hi = -HOWTO (R_DLX_RELOC_16_HI, /* type */ - 16, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - _bfd_dlx_elf_hi16_reloc,/* special_function */ - "R_DLX_RELOC_16_HI", /* name */ - TRUE, /* partial_inplace */ - 0xFFFF, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE); /* pcrel_offset */ - - /* Low 16 bits of symbol value. */ -static reloc_howto_type elf_dlx_reloc_16_lo = -HOWTO (R_DLX_RELOC_16_LO, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_DLX_RELOC_16_LO", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE); /* pcrel_offset */ - - /* The gas default behavior is not to preform the %hi modifier so that the GNU assembler can have the lower 16 bits offset placed in the insn, BUT we do like the gas to indicate it is %hi reloc type so when we in the link @@ -217,24 +39,23 @@ HOWTO (R_DLX_RELOC_16_LO, /* type */ static int skip_dlx_elf_hi16_reloc = 0; +extern int set_dlx_skip_hi16_flag (int); + int -set_dlx_skip_hi16_flag (flag) - int flag; +set_dlx_skip_hi16_flag (int flag) { skip_dlx_elf_hi16_reloc = flag; return flag; } static bfd_reloc_status_type -_bfd_dlx_elf_hi16_reloc (abfd, reloc_entry, symbol, data, - input_section, output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message; +_bfd_dlx_elf_hi16_reloc (bfd *abfd, + arelent *reloc_entry, + asymbol *symbol, + void * data, + asection *input_section, + bfd *output_bfd, + char **error_message) { bfd_reloc_status_type ret; bfd_vma relocation; @@ -288,15 +109,13 @@ _bfd_dlx_elf_hi16_reloc (abfd, reloc_entry, symbol, data, relocatable output against an external symbol. */ static bfd_reloc_status_type -elf32_dlx_relocate16 (abfd, reloc_entry, symbol, data, - input_section, output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message ATTRIBUTE_UNUSED; +elf32_dlx_relocate16 (bfd *abfd, + arelent *reloc_entry, + asymbol *symbol, + void * data, + asection *input_section, + bfd *output_bfd, + char **error_message ATTRIBUTE_UNUSED) { unsigned long insn, vallo, allignment; int val; @@ -310,12 +129,12 @@ elf32_dlx_relocate16 (abfd, reloc_entry, symbol, data, return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message); - /* Check undefined section and undefined symbols */ + /* Check undefined section and undefined symbols. */ if (bfd_is_und_section (symbol->section) && output_bfd == (bfd *) NULL) return bfd_reloc_undefined; - /* Can not support a long jump to sections other then .text */ + /* Can not support a long jump to sections other then .text. */ if (strcmp (input_section->name, symbol->section->output_section->name) != 0) { fprintf (stderr, @@ -353,15 +172,13 @@ elf32_dlx_relocate16 (abfd, reloc_entry, symbol, data, } static bfd_reloc_status_type -elf32_dlx_relocate26 (abfd, reloc_entry, symbol, data, - input_section, output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message ATTRIBUTE_UNUSED; +elf32_dlx_relocate26 (bfd *abfd, + arelent *reloc_entry, + asymbol *symbol, + void * data, + asection *input_section, + bfd *output_bfd, + char **error_message ATTRIBUTE_UNUSED) { unsigned long insn, vallo, allignment; int val; @@ -416,6 +233,163 @@ elf32_dlx_relocate26 (abfd, reloc_entry, symbol, data, return bfd_reloc_ok; } +static reloc_howto_type dlx_elf_howto_table[]= +{ + /* No relocation. */ + HOWTO (R_DLX_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_DLX_NONE", /* Name. */ + FALSE, /* Partial_inplace. */ + 0, /* Src_mask. */ + 0, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* 8 bit relocation. */ + HOWTO (R_DLX_RELOC_8, /* Type. */ + 0, /* Rightshift. */ + 0, /* Size (0 = byte, 1 = short, 2 = long). */ + 8, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_DLX_RELOC_8", /* Name. */ + TRUE, /* Partial_inplace. */ + 0xff, /* Src_mask. */ + 0xff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* 16 bit relocation. */ + HOWTO (R_DLX_RELOC_16, /* Type. */ + 0, /* Rightshift. */ + 1, /* Size (0 = byte, 1 = short, 2 = long). */ + 16, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_DLX_RELOC_16", /* Name. */ + TRUE, /* Partial_inplace. */ + 0xffff, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* 32 bit relocation. */ + HOWTO (R_DLX_RELOC_32, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 32, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_DLX_RELOC_32", /* Name. */ + TRUE, /* Partial_inplace. */ + 0xffffffff, /* Src_mask. */ + 0xffffffff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* GNU extension to record C++ vtable hierarchy. */ + HOWTO (R_DLX_GNU_VTINHERIT, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 0, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + NULL, /* Special_function. */ + "R_DLX_GNU_VTINHERIT", /* Name. */ + FALSE, /* Partial_inplace. */ + 0, /* Src_mask. */ + 0, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* GNU extension to record C++ vtable member usage. */ + HOWTO (R_DLX_GNU_VTENTRY, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 0, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + _bfd_elf_rel_vtable_reloc_fn,/* Special_function. */ + "R_DLX_GNU_VTENTRY", /* Name. */ + FALSE, /* Partial_inplace. */ + 0, /* Src_mask. */ + 0, /* Dst_mask. */ + FALSE) /* PCrel_offset. */ +}; + +/* 16 bit offset for pc-relative branches. */ +static reloc_howto_type elf_dlx_gnu_rel16_s2 = + HOWTO (R_DLX_RELOC_16_PCREL, /* Type. */ + 0, /* Rightshift. */ + 1, /* Size (0 = byte, 1 = short, 2 = long). */ + 16, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* Complain_on_overflow. */ + elf32_dlx_relocate16, /* Special_function. */ + "R_DLX_RELOC_16_PCREL",/* Name. */ + TRUE, /* Partial_inplace. */ + 0xffff, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + TRUE); /* PCrel_offset. */ + +/* 26 bit offset for pc-relative branches. */ +static reloc_howto_type elf_dlx_gnu_rel26_s2 = + HOWTO (R_DLX_RELOC_26_PCREL, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 26, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + elf32_dlx_relocate26, /* Special_function. */ + "R_DLX_RELOC_26_PCREL",/* Name. */ + TRUE, /* Partial_inplace. */ + 0xffff, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + TRUE); /* PCrel_offset. */ + +/* High 16 bits of symbol value. */ +static reloc_howto_type elf_dlx_reloc_16_hi = + HOWTO (R_DLX_RELOC_16_HI, /* Type. */ + 16, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 32, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + _bfd_dlx_elf_hi16_reloc,/* Special_function. */ + "R_DLX_RELOC_16_HI", /* Name. */ + TRUE, /* Partial_inplace. */ + 0xFFFF, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + FALSE); /* PCrel_offset. */ + + /* Low 16 bits of symbol value. */ +static reloc_howto_type elf_dlx_reloc_16_lo = + HOWTO (R_DLX_RELOC_16_LO, /* Type. */ + 0, /* Rightshift. */ + 1, /* Size (0 = byte, 1 = short, 2 = long). */ + 16, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_DLX_RELOC_16_LO", /* Name. */ + TRUE, /* Partial_inplace. */ + 0xffff, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + FALSE); /* PCrel_offset. */ + /* A mapping from BFD reloc types to DLX ELF reloc types. Stolen from elf32-mips.c. @@ -431,27 +405,25 @@ struct elf_reloc_map }; static const struct elf_reloc_map dlx_reloc_map[] = - { - { BFD_RELOC_NONE, R_DLX_NONE }, - { BFD_RELOC_16, R_DLX_RELOC_16 }, - { BFD_RELOC_32, R_DLX_RELOC_32 }, - { BFD_RELOC_DLX_HI16_S, R_DLX_RELOC_16_HI }, - { BFD_RELOC_DLX_LO16, R_DLX_RELOC_16_LO }, - { BFD_RELOC_VTABLE_INHERIT, R_DLX_GNU_VTINHERIT }, - { BFD_RELOC_VTABLE_ENTRY, R_DLX_GNU_VTENTRY } - }; - +{ + { BFD_RELOC_NONE, R_DLX_NONE }, + { BFD_RELOC_16, R_DLX_RELOC_16 }, + { BFD_RELOC_32, R_DLX_RELOC_32 }, + { BFD_RELOC_DLX_HI16_S, R_DLX_RELOC_16_HI }, + { BFD_RELOC_DLX_LO16, R_DLX_RELOC_16_LO }, + { BFD_RELOC_VTABLE_INHERIT, R_DLX_GNU_VTINHERIT }, + { BFD_RELOC_VTABLE_ENTRY, R_DLX_GNU_VTENTRY } +}; /* Look through the relocs for a section during the first phase. Since we don't do .gots or .plts, we just need to consider the virtual table relocs for gc. */ static bfd_boolean -elf32_dlx_check_relocs (abfd, info, sec, relocs) - bfd *abfd; - struct bfd_link_info *info; - asection *sec; - const Elf_Internal_Rela *relocs; +elf32_dlx_check_relocs (bfd *abfd, + struct bfd_link_info *info, + asection *sec, + const Elf_Internal_Rela *relocs) { Elf_Internal_Shdr *symtab_hdr; struct elf_link_hash_entry **sym_hashes, **sym_hashes_end; @@ -508,9 +480,8 @@ elf32_dlx_check_relocs (abfd, info, sec, relocs) /* Given a BFD reloc type, return a howto structure. */ static reloc_howto_type * -elf32_dlx_reloc_type_lookup (abfd, code) - bfd *abfd ATTRIBUTE_UNUSED; - bfd_reloc_code_real_type code; +elf32_dlx_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, + bfd_reloc_code_real_type code) { unsigned int i; @@ -535,8 +506,7 @@ elf32_dlx_reloc_type_lookup (abfd, code) } static reloc_howto_type * -dlx_rtype_to_howto (r_type) - unsigned int r_type; +dlx_rtype_to_howto (unsigned int r_type) { switch (r_type) { @@ -561,19 +531,17 @@ dlx_rtype_to_howto (r_type) } static void -elf32_dlx_info_to_howto (abfd, cache_ptr, dst) - bfd * abfd ATTRIBUTE_UNUSED; - arelent * cache_ptr ATTRIBUTE_UNUSED; - Elf_Internal_Rela * dst ATTRIBUTE_UNUSED; +elf32_dlx_info_to_howto (bfd * abfd ATTRIBUTE_UNUSED, + arelent * cache_ptr ATTRIBUTE_UNUSED, + Elf_Internal_Rela * dst ATTRIBUTE_UNUSED) { abort (); } static void -elf32_dlx_info_to_howto_rel (abfd, cache_ptr, dst) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *cache_ptr; - Elf_Internal_Rela *dst; +elf32_dlx_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, + arelent *cache_ptr, + Elf_Internal_Rela *dst) { unsigned int r_type; |