X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Fcoff-rs6000.c;h=fdf3162bb7c9ca48263fcae009efdcdceee7484d;hb=73ff0d563cc293d039736e9fc3dc335d88b5c586;hp=fbc07e15825cbb933781d7b089fc9cfa737f341f;hpb=dbe341c6257a1a598de11c0e6e49c1ee8c59e579;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/coff-rs6000.c b/bfd/coff-rs6000.c index fbc07e1582..fdf3162bb7 100644 --- a/bfd/coff-rs6000.c +++ b/bfd/coff-rs6000.c @@ -54,9 +54,11 @@ extern void _bfd_xcoff_swap_sym_in PARAMS ((bfd *, PTR, PTR)); extern unsigned int _bfd_xcoff_swap_sym_out PARAMS ((bfd *, PTR, PTR)); extern void _bfd_xcoff_swap_aux_in PARAMS ((bfd *, PTR, int, int, int, int, PTR)); extern unsigned int _bfd_xcoff_swap_aux_out PARAMS ((bfd *, PTR, int, int, int, int, PTR)); +static void xcoff_swap_reloc_in PARAMS ((bfd *, PTR, PTR)); +static unsigned int xcoff_swap_reloc_out PARAMS ((bfd *, PTR, PTR)); -/* Forward declare _bfd_xcoff_rtype2howto for coffcode.h macro. */ -void _bfd_xcoff_rtype2howto PARAMS ((arelent *, struct internal_reloc *)); +/* Forward declare xcoff_rtype2howto for coffcode.h macro. */ +void xcoff_rtype2howto PARAMS ((arelent *, struct internal_reloc *)); /* coffcode.h needs these to be defined. */ #define RS6000COFF_C 1 @@ -74,7 +76,7 @@ void _bfd_xcoff_rtype2howto PARAMS ((arelent *, struct internal_reloc *)); #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) #define COFF_LONG_FILENAMES #define NO_COFF_SYMBOLS -#define RTYPE2HOWTO(cache_ptr, dst) _bfd_xcoff_rtype2howto (cache_ptr, dst) +#define RTYPE2HOWTO(cache_ptr, dst) xcoff_rtype2howto (cache_ptr, dst) #define coff_mkobject _bfd_xcoff_mkobject #define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data #define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name @@ -105,6 +107,9 @@ extern int rs6000coff_core_file_failing_signal PARAMS ((bfd *abfd)); #define coff_SWAP_sym_out _bfd_xcoff_swap_sym_out #define coff_SWAP_aux_in _bfd_xcoff_swap_aux_in #define coff_SWAP_aux_out _bfd_xcoff_swap_aux_out +#define coff_swap_reloc_in xcoff_swap_reloc_in +#define coff_swap_reloc_out xcoff_swap_reloc_out +#define NO_COFF_RELOCS #include "coffcode.h" @@ -150,15 +155,7 @@ static boolean do_copy PARAMS((bfd *, bfd *)); static boolean do_shared_object_padding PARAMS ((bfd *, bfd *, ufile_ptr *, int)); /* Relocation functions */ -static boolean xcoff_reloc_type_noop PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); -static boolean xcoff_reloc_type_fail PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); -static boolean xcoff_reloc_type_pos PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); -static boolean xcoff_reloc_type_neg PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); -static boolean xcoff_reloc_type_rel PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); -static boolean xcoff_reloc_type_toc PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); -static boolean xcoff_reloc_type_ba PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); static boolean xcoff_reloc_type_br PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); -static boolean xcoff_reloc_type_crel PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); static boolean xcoff_complain_overflow_dont_func PARAMS ((XCOFF_COMPLAIN_FUNCTION_ARGS)); @@ -696,7 +693,7 @@ reloc_howto_type xcoff_howto_table[] = 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ 0, /* special_function */ - "R_BA", /* name */ + "R_BA_26", /* name */ true, /* partial_inplace */ 0x3fffffc, /* src_mask */ 0x3fffffc, /* dst_mask */ @@ -900,7 +897,7 @@ reloc_howto_type xcoff_howto_table[] = 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ 0, /* special_function */ - "R_RBR", /* name */ + "R_RBR_26", /* name */ true, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ @@ -921,50 +918,75 @@ reloc_howto_type xcoff_howto_table[] = 0xffff, /* dst_mask */ false), /* pcrel_offset */ - HOWTO (R_POS, /* type */ - 0, /* rightshift */ - 4, /* size (0 = byte, 1 = short, 2 = long) */ - 64, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_POS", /* name */ - true, /* partial_inplace */ - MINUS_ONE, /* src_mask */ - MINUS_ONE, /* dst_mask */ - false), /* pcrel_offset */ - /* 16 bit Non modifiable absolute branch. */ HOWTO (R_BA, /* type */ 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ 0, /* special_function */ - "R_BA", /* name */ + "R_BA_16", /* name */ true, /* partial_inplace */ 0xfffc, /* src_mask */ 0xfffc, /* dst_mask */ false), /* pcrel_offset */ + + /* Modifiable branch relative. */ + HOWTO (R_RBR, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + 0, /* special_function */ + "R_RBR_16", /* name */ + true, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Modifiable branch relative. */ + HOWTO (R_RBA, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + 0, /* special_function */ + "R_RBA_16", /* name */ + true, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + }; void -_bfd_xcoff_rtype2howto (relent, internal) +xcoff_rtype2howto (relent, internal) arelent *relent; struct internal_reloc *internal; { - relent->howto = xcoff_howto_table + internal->r_type; - - /* Check for relocs we don't know of. */ - if (internal->r_type - >= sizeof (xcoff_howto_table) / sizeof (xcoff_howto_table[0])) - abort (); - if (internal->r_type != relent->howto->type) + if (internal->r_type > R_RBRC) abort (); + /* Default howto layout works most of the time */ + relent->howto = &xcoff_howto_table[internal->r_type]; + + /* Special case some 16 bit reoloc */ + if (15 == (internal->r_size & 0x1f)) + { + if (R_BA == internal->r_type) + relent->howto = &xcoff_howto_table[0x1c]; + else if (R_RBR == internal->r_type) + relent->howto = &xcoff_howto_table[0x1d]; + else if (R_RBA == internal->r_type) + relent->howto = &xcoff_howto_table[0x1e]; + } + /* The r_size field of an XCOFF reloc encodes the bitsize of the relocation, as well as indicating whether it is signed or not. Doublecheck that the relocation information gathered from the @@ -972,14 +994,12 @@ _bfd_xcoff_rtype2howto (relent, internal) for R_REF relocs. */ if (relent->howto->dst_mask != 0 && (relent->howto->bitsize - != ((unsigned int) internal->r_size & 0x3f) + 1)) - abort (); -#if 0 - if ((internal->r_size & 0x80) != 0 - ? (relent->howto->complain_on_overflow != complain_overflow_signed) - : (relent->howto->complain_on_overflow != complain_overflow_bitfield)) + != ((unsigned int) internal->r_size & 0x1f) + 1)) abort (); -#endif + + /* Put a meaningful value in addend */ + relent->addend = (internal->r_size & 0x80) ? - internal->r_vaddr + : internal->r_vaddr; } reloc_howto_type * @@ -992,7 +1012,7 @@ _bfd_xcoff_reloc_type_lookup (abfd, code) case BFD_RELOC_PPC_B26: return &xcoff_howto_table[0xa]; case BFD_RELOC_PPC_BA16: - return &xcoff_howto_table[0x1d]; + return &xcoff_howto_table[0x1c]; case BFD_RELOC_PPC_BA26: return &xcoff_howto_table[8]; case BFD_RELOC_PPC_TOC16: @@ -1000,8 +1020,6 @@ _bfd_xcoff_reloc_type_lookup (abfd, code) case BFD_RELOC_32: case BFD_RELOC_CTOR: return &xcoff_howto_table[0]; - case BFD_RELOC_64: - return &xcoff_howto_table[0x1c]; default: return NULL; } @@ -2650,6 +2668,40 @@ xcoff_swap_ldsym_out (abfd, src, d) bfd_put_32 (abfd, src->l_parm, dst->l_parm); } +static void +xcoff_swap_reloc_in (abfd, s, d) + bfd *abfd; + PTR s; + PTR d; +{ + struct external_reloc *src = (struct external_reloc *) s; + struct internal_reloc *dst = (struct internal_reloc *) d; + + memset (dst, 0, sizeof (struct internal_reloc)); + + dst->r_vaddr = bfd_get_32 (abfd, src->r_vaddr); + dst->r_symndx = bfd_get_32 (abfd, src->r_symndx); + dst->r_size = bfd_get_8 (abfd, src->r_size); + dst->r_type = bfd_get_8 (abfd, src->r_type); +} + +static unsigned int +xcoff_swap_reloc_out (abfd, s, d) + bfd *abfd; + PTR s; + PTR d; +{ + struct internal_reloc *src = (struct internal_reloc *) s; + struct external_reloc *dst = (struct external_reloc *) d; + + bfd_put_32 (abfd, src->r_vaddr, dst->r_vaddr); + bfd_put_32 (abfd, src->r_symndx, dst->r_symndx); + bfd_put_8 (abfd, src->r_type, dst->r_type); + bfd_put_8 (abfd, src->r_size, dst->r_size); + + return bfd_coff_relsz (abfd); +} + /* Swap in the ldrel structure. */ static void @@ -2683,7 +2735,7 @@ xcoff_swap_ldrel_out (abfd, src, d) } -static boolean +boolean xcoff_reloc_type_noop (input_bfd, input_section, output_bfd, rel, sym, howto, val, addend, relocation, contents) bfd *input_bfd ATTRIBUTE_UNUSED; @@ -2700,7 +2752,7 @@ xcoff_reloc_type_noop (input_bfd, input_section, output_bfd, rel, sym, howto, return true; } -static boolean +boolean xcoff_reloc_type_fail (input_bfd, input_section, output_bfd, rel, sym, howto, val, addend, relocation, contents) bfd *input_bfd; @@ -2721,7 +2773,7 @@ xcoff_reloc_type_fail (input_bfd, input_section, output_bfd, rel, sym, howto, return false; } -static boolean +boolean xcoff_reloc_type_pos (input_bfd, input_section, output_bfd, rel, sym, howto, val, addend, relocation, contents) bfd *input_bfd ATTRIBUTE_UNUSED; @@ -2739,7 +2791,7 @@ xcoff_reloc_type_pos (input_bfd, input_section, output_bfd, rel, sym, howto, return true; } -static boolean +boolean xcoff_reloc_type_neg (input_bfd, input_section, output_bfd, rel, sym, howto, val, addend, relocation, contents) bfd *input_bfd ATTRIBUTE_UNUSED; @@ -2757,7 +2809,7 @@ xcoff_reloc_type_neg (input_bfd, input_section, output_bfd, rel, sym, howto, return true; } -static boolean +boolean xcoff_reloc_type_rel (input_bfd, input_section, output_bfd, rel, sym, howto, val, addend, relocation, contents) bfd *input_bfd ATTRIBUTE_UNUSED; @@ -2781,7 +2833,8 @@ xcoff_reloc_type_rel (input_bfd, input_section, output_bfd, rel, sym, howto, input_section->output_offset); return true; } -static boolean + +boolean xcoff_reloc_type_toc (input_bfd, input_section, output_bfd, rel, sym, howto, val, addend, relocation, contents) bfd *input_bfd; @@ -2823,7 +2876,8 @@ xcoff_reloc_type_toc (input_bfd, input_section, output_bfd, rel, sym, howto, (sym->n_value - xcoff_data (input_bfd)->toc)); return true; } -static boolean + +boolean xcoff_reloc_type_ba (input_bfd, input_section, output_bfd, rel, sym, howto, val, addend, relocation, contents) bfd *input_bfd ATTRIBUTE_UNUSED; @@ -2924,7 +2978,7 @@ xcoff_reloc_type_br (input_bfd, input_section, output_bfd, rel, sym, howto, return true; } -static boolean +boolean xcoff_reloc_type_crel (input_bfd, input_section, output_bfd, rel, sym, howto, val, addend, relocation, contents) bfd *input_bfd ATTRIBUTE_UNUSED; @@ -3911,7 +3965,7 @@ static const struct xcoff_backend_data_rec bfd_xcoff_backend_data = _bfd_xcoff_swap_aux_out, /* _bfd_swap_aux_out */ _bfd_xcoff_swap_sym_out, /* _bfd_swap_sym_out */ coff_swap_lineno_out, /* _bfd_swap_lineno_out */ - coff_swap_reloc_out, /* _bfd_swap_reloc_out */ + xcoff_swap_reloc_out, /* _bfd_swap_reloc_out */ coff_swap_filehdr_out, /* _bfd_swap_filehdr_out */ coff_swap_aouthdr_out, /* _bfd_swap_aouthdr_out */ coff_swap_scnhdr_out, /* _bfd_swap_scnhdr_out */ @@ -3931,7 +3985,7 @@ static const struct xcoff_backend_data_rec bfd_xcoff_backend_data = coff_swap_filehdr_in, /* _bfd_coff_swap_filehdr_in */ coff_swap_aouthdr_in, /* _bfd_swap_aouthdr_in */ coff_swap_scnhdr_in, /* _bfd_swap_scnhdr_in */ - coff_swap_reloc_in, /* _bfd_reloc_in */ + xcoff_swap_reloc_in, /* _bfd_reloc_in */ coff_bad_format_hook, /* _bfd_bad_format_hook */ coff_set_arch_mach_hook, /* _bfd_set_arch_mach_hook */ coff_mkobject_hook, /* _bfd_mkobject_hook */ @@ -4130,10 +4184,12 @@ const bfd_target rs6000coff_vec = _bfd_xcoff_bfd_link_hash_table_create, /* _bfd_link_hash_table_create */ _bfd_generic_link_hash_table_free, /* _bfd_link_hash_table_free */ _bfd_xcoff_bfd_link_add_symbols, /* _bfd_link_add_symbols */ - _bfd_xcoff_bfd_final_link, /* _bfd_filnal_link */ + _bfd_generic_link_just_syms, /* _bfd_link_just_syms */ + _bfd_xcoff_bfd_final_link, /* _bfd_final_link */ _bfd_generic_link_split_section, /* _bfd_link_split_section */ bfd_generic_gc_sections, /* _bfd_gc_sections */ bfd_generic_merge_sections, /* _bfd_merge_sections */ + bfd_generic_discard_group, /* _bfd_discard_group */ /* Dynamic */ /* _get_dynamic_symtab_upper_bound */ @@ -4168,7 +4224,7 @@ static const struct xcoff_backend_data_rec bfd_pmac_xcoff_backend_data = _bfd_xcoff_swap_aux_out, /* _bfd_swap_aux_out */ _bfd_xcoff_swap_sym_out, /* _bfd_swap_sym_out */ coff_swap_lineno_out, /* _bfd_swap_lineno_out */ - coff_swap_reloc_out, /* _bfd_swap_reloc_out */ + xcoff_swap_reloc_out, /* _bfd_swap_reloc_out */ coff_swap_filehdr_out, /* _bfd_swap_filehdr_out */ coff_swap_aouthdr_out, /* _bfd_swap_aouthdr_out */ coff_swap_scnhdr_out, /* _bfd_swap_scnhdr_out */ @@ -4188,7 +4244,7 @@ static const struct xcoff_backend_data_rec bfd_pmac_xcoff_backend_data = coff_swap_filehdr_in, /* _bfd_coff_swap_filehdr_in */ coff_swap_aouthdr_in, /* _bfd_swap_aouthdr_in */ coff_swap_scnhdr_in, /* _bfd_swap_scnhdr_in */ - coff_swap_reloc_in, /* _bfd_reloc_in */ + xcoff_swap_reloc_in, /* _bfd_reloc_in */ coff_bad_format_hook, /* _bfd_bad_format_hook */ coff_set_arch_mach_hook, /* _bfd_set_arch_mach_hook */ coff_mkobject_hook, /* _bfd_mkobject_hook */ @@ -4391,10 +4447,12 @@ const bfd_target pmac_xcoff_vec = _bfd_xcoff_bfd_link_hash_table_create, /* _bfd_link_hash_table_create */ _bfd_generic_link_hash_table_free, /* _bfd_link_hash_table_free */ _bfd_xcoff_bfd_link_add_symbols, /* _bfd_link_add_symbols */ - _bfd_xcoff_bfd_final_link, /* _bfd_filnal_link */ + _bfd_generic_link_just_syms, /* _bfd_link_just_syms */ + _bfd_xcoff_bfd_final_link, /* _bfd_final_link */ _bfd_generic_link_split_section, /* _bfd_link_split_section */ bfd_generic_gc_sections, /* _bfd_gc_sections */ - bfd_generic_merge_sections, /* _bfd_merge_sections */ + bfd_generic_merge_sections, /* _bfd_merge_sections */ + bfd_generic_discard_group, /* _bfd_discard_group */ /* Dynamic */ /* _get_dynamic_symtab_upper_bound */