diff options
Diffstat (limited to 'bfd/coffcode.h')
| -rw-r--r-- | bfd/coffcode.h | 258 |
1 files changed, 256 insertions, 2 deletions
diff --git a/bfd/coffcode.h b/bfd/coffcode.h index 11e70a5..d6fe39f 100644 --- a/bfd/coffcode.h +++ b/bfd/coffcode.h @@ -1393,6 +1393,7 @@ Special entry points for gdb to swap in coff symbol table parts: . unsigned int _bfd_coff_default_section_alignment_power; . bfd_boolean _bfd_coff_force_symnames_in_strings; . unsigned int _bfd_coff_debug_string_prefix_length; +. unsigned int _bfd_coff_max_nscns; . . void (*_bfd_coff_swap_filehdr_in) . (bfd *, void *, void *); @@ -1530,6 +1531,9 @@ Special entry points for gdb to swap in coff symbol table parts: . ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) .#define bfd_coff_default_section_alignment_power(abfd) \ . (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) +.#define bfd_coff_max_nscns(abfd) \ +. (coff_backend_info (abfd)->_bfd_coff_max_nscns) +. .#define bfd_coff_swap_filehdr_in(abfd, i,o) \ . ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) . @@ -3136,7 +3140,7 @@ coff_compute_section_file_positions (bfd * abfd) asection *current; file_ptr sofar = bfd_coff_filhsz (abfd); bfd_boolean align_adjust; - int target_index; + unsigned int target_index; #ifdef ALIGN_SECTIONS_IN_FILE asection *previous = NULL; file_ptr old_sofar; @@ -3304,7 +3308,7 @@ coff_compute_section_file_positions (bfd * abfd) } #endif /* ! COFF_IMAGE_WITH_PE */ - if (target_index >= 32768) + if (target_index >= bfd_coff_max_nscns (abfd)) { bfd_set_error (bfd_error_file_too_big); (*_bfd_error_handler) @@ -5497,6 +5501,7 @@ static bfd_coff_backend_data bfd_coff_std_swap_table ATTRIBUTE_UNUSED = #else 2, #endif + 32768, coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in, coff_SWAP_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook, coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook, @@ -5537,6 +5542,7 @@ static bfd_coff_backend_data ticoff0_swap_table = #else 2, #endif + 32768, coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in, coff_SWAP_reloc_in, ticoff0_bad_format_hook, coff_set_arch_mach_hook, coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook, @@ -5578,6 +5584,7 @@ static bfd_coff_backend_data ticoff1_swap_table = #else 2, #endif + 32768, coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in, coff_SWAP_reloc_in, ticoff1_bad_format_hook, coff_set_arch_mach_hook, coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook, @@ -5591,6 +5598,253 @@ static bfd_coff_backend_data ticoff1_swap_table = }; #endif +#ifdef COFF_WITH_PE_BIGOBJ +/* The UUID for bigobj files. */ + +static const char header_bigobj_classid[16] = +{ + 0xC7, 0xA1, 0xBA, 0xD1, + 0xEE, 0xBA, + 0xa9, 0x4b, + 0xAF, 0x20, + 0xFA, 0xF6, 0x6A, 0xA4, 0xDC, 0xB8 +}; + +/* Swap routines. */ + +static void +coff_bigobj_swap_filehdr_in (bfd * abfd, void * src, void * dst) +{ + struct external_ANON_OBJECT_HEADER_BIGOBJ *filehdr_src = + (struct external_ANON_OBJECT_HEADER_BIGOBJ *) src; + struct internal_filehdr *filehdr_dst = (struct internal_filehdr *) dst; + + filehdr_dst->f_magic = H_GET_16 (abfd, filehdr_src->Machine); + filehdr_dst->f_nscns = H_GET_32 (abfd, filehdr_src->NumberOfSections); + filehdr_dst->f_timdat = H_GET_32 (abfd, filehdr_src->TimeDateStamp); + filehdr_dst->f_symptr = + GET_FILEHDR_SYMPTR (abfd, filehdr_src->PointerToSymbolTable); + filehdr_dst->f_nsyms = H_GET_32 (abfd, filehdr_src->NumberOfSymbols); + filehdr_dst->f_opthdr = 0; + filehdr_dst->f_flags = 0; + + /* Check other magic numbers. */ + if (H_GET_16 (abfd, filehdr_src->Sig1) != IMAGE_FILE_MACHINE_UNKNOWN + || H_GET_16 (abfd, filehdr_src->Sig2) != 0xffff + || H_GET_16 (abfd, filehdr_src->Version) != 2 + || memcmp (filehdr_src->ClassID, header_bigobj_classid, 16) != 0) + filehdr_dst->f_opthdr = 0xffff; + + /* Note that CLR metadata are ignored. */ +} + +static unsigned int +coff_bigobj_swap_filehdr_out (bfd *abfd, void * in, void * out) +{ + struct internal_filehdr *filehdr_in = (struct internal_filehdr *) in; + struct external_ANON_OBJECT_HEADER_BIGOBJ *filehdr_out = + (struct external_ANON_OBJECT_HEADER_BIGOBJ *) out; + + memset (filehdr_out, 0, sizeof (*filehdr_out)); + + H_PUT_16 (abfd, IMAGE_FILE_MACHINE_UNKNOWN, filehdr_out->Sig1); + H_PUT_16 (abfd, 0xffff, filehdr_out->Sig2); + H_PUT_16 (abfd, 2, filehdr_out->Version); + memcpy (filehdr_out->ClassID, header_bigobj_classid, 16); + H_PUT_16 (abfd, filehdr_in->f_magic, filehdr_out->Machine); + H_PUT_32 (abfd, filehdr_in->f_nscns, filehdr_out->NumberOfSections); + H_PUT_32 (abfd, filehdr_in->f_timdat, filehdr_out->TimeDateStamp); + PUT_FILEHDR_SYMPTR (abfd, filehdr_in->f_symptr, + filehdr_out->PointerToSymbolTable); + H_PUT_32 (abfd, filehdr_in->f_nsyms, filehdr_out->NumberOfSymbols); + + return bfd_coff_filhsz (abfd); +} + +static void +coff_bigobj_swap_sym_in (bfd * abfd, void * ext1, void * in1) +{ + SYMENT_BIGOBJ *ext = (SYMENT_BIGOBJ *) ext1; + struct internal_syment *in = (struct internal_syment *) in1; + + if (ext->e.e_name[0] == 0) + { + in->_n._n_n._n_zeroes = 0; + in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e.e.e_offset); + } + else + { +#if SYMNMLEN != E_SYMNMLEN +#error we need to cope with truncating or extending SYMNMLEN +#else + memcpy (in->_n._n_name, ext->e.e_name, SYMNMLEN); +#endif + } + + in->n_value = H_GET_32 (abfd, ext->e_value); + in->n_scnum = H_GET_32 (abfd, ext->e_scnum); + in->n_type = H_GET_16 (abfd, ext->e_type); + in->n_sclass = H_GET_8 (abfd, ext->e_sclass); + in->n_numaux = H_GET_8 (abfd, ext->e_numaux); +} + +static unsigned int +coff_bigobj_swap_sym_out (bfd * abfd, void * inp, void * extp) +{ + struct internal_syment *in = (struct internal_syment *) inp; + SYMENT_BIGOBJ *ext = (SYMENT_BIGOBJ *) extp; + + if (in->_n._n_name[0] == 0) + { + H_PUT_32 (abfd, 0, ext->e.e.e_zeroes); + H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e.e.e_offset); + } + else + { +#if SYMNMLEN != E_SYMNMLEN +#error we need to cope with truncating or extending SYMNMLEN +#else + memcpy (ext->e.e_name, in->_n._n_name, SYMNMLEN); +#endif + } + + H_PUT_32 (abfd, in->n_value, ext->e_value); + H_PUT_32 (abfd, in->n_scnum, ext->e_scnum); + + H_PUT_16 (abfd, in->n_type, ext->e_type); + H_PUT_8 (abfd, in->n_sclass, ext->e_sclass); + H_PUT_8 (abfd, in->n_numaux, ext->e_numaux); + + return SYMESZ_BIGOBJ; +} + +static void +coff_bigobj_swap_aux_in (bfd *abfd, + void * ext1, + int type, + int in_class, + int indx, + int numaux, + void * in1) +{ + AUXENT_BIGOBJ *ext = (AUXENT_BIGOBJ *) ext1; + union internal_auxent *in = (union internal_auxent *) in1; + + switch (in_class) + { + case C_FILE: + if (numaux > 1) + { + if (indx == 0) + memcpy (in->x_file.x_fname, ext->File.Name, + numaux * sizeof (AUXENT_BIGOBJ)); + } + else + memcpy (in->x_file.x_fname, ext->File.Name, sizeof (ext->File.Name)); + break; + + case C_STAT: + case C_LEAFSTAT: + case C_HIDDEN: + if (type == T_NULL) + { + in->x_scn.x_scnlen = H_GET_32 (abfd, ext->Section.Length); + in->x_scn.x_nreloc = + H_GET_16 (abfd, ext->Section.NumberOfRelocations); + in->x_scn.x_nlinno = + H_GET_16 (abfd, ext->Section.NumberOfLinenumbers); + in->x_scn.x_checksum = H_GET_32 (abfd, ext->Section.Checksum); + in->x_scn.x_associated = H_GET_16 (abfd, ext->Section.Number) + | (H_GET_16 (abfd, ext->Section.HighNumber) << 16); + in->x_scn.x_comdat = H_GET_8 (abfd, ext->Section.Selection); + return; + } + break; + + default: + in->x_sym.x_tagndx.l = H_GET_32 (abfd, ext->Sym.WeakDefaultSymIndex); + /* Characteristics is ignored. */ + break; + } +} + +static unsigned int +coff_bigobj_swap_aux_out (bfd * abfd, + void * inp, + int type, + int in_class, + int indx ATTRIBUTE_UNUSED, + int numaux ATTRIBUTE_UNUSED, + void * extp) +{ + union internal_auxent * in = (union internal_auxent *) inp; + AUXENT_BIGOBJ *ext = (AUXENT_BIGOBJ *) extp; + + memset (ext, 0, AUXESZ); + + switch (in_class) + { + case C_FILE: + memcpy (ext->File.Name, in->x_file.x_fname, sizeof (ext->File.Name)); + + return AUXESZ; + + case C_STAT: + case C_LEAFSTAT: + case C_HIDDEN: + if (type == T_NULL) + { + H_PUT_32 (abfd, in->x_scn.x_scnlen, ext->Section.Length); + H_PUT_16 (abfd, in->x_scn.x_nreloc, + ext->Section.NumberOfRelocations); + H_PUT_16 (abfd, in->x_scn.x_nlinno, + ext->Section.NumberOfLinenumbers); + H_PUT_32 (abfd, in->x_scn.x_checksum, ext->Section.Checksum); + H_PUT_16 (abfd, in->x_scn.x_associated & 0xffff, + ext->Section.Number); + H_PUT_16 (abfd, (in->x_scn.x_associated >> 16), + ext->Section.HighNumber); + H_PUT_8 (abfd, in->x_scn.x_comdat, ext->Section.Selection); + return AUXESZ; + } + break; + } + + H_PUT_32 (abfd, in->x_sym.x_tagndx.l, ext->Sym.WeakDefaultSymIndex); + H_PUT_32 (abfd, 1, ext->Sym.WeakSearchType); + + return AUXESZ; +} + +static bfd_coff_backend_data bigobj_swap_table = +{ + coff_bigobj_swap_aux_in, coff_bigobj_swap_sym_in, coff_SWAP_lineno_in, + coff_bigobj_swap_aux_out, coff_bigobj_swap_sym_out, + coff_SWAP_lineno_out, coff_SWAP_reloc_out, + coff_bigobj_swap_filehdr_out, coff_SWAP_aouthdr_out, + coff_SWAP_scnhdr_out, + FILHSZ_BIGOBJ, AOUTSZ, SCNHSZ, SYMESZ_BIGOBJ, AUXESZ_BIGOBJ, + RELSZ, LINESZ, FILNMLEN_BIGOBJ, + TRUE, + COFF_DEFAULT_LONG_SECTION_NAMES, + COFF_DEFAULT_SECTION_ALIGNMENT_POWER, + FALSE, + 2, + 1U << 31, + coff_bigobj_swap_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in, + coff_SWAP_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook, + coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook, + coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook, + coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate, + coff_classify_symbol, coff_compute_section_file_positions, + coff_start_final_link, coff_relocate_section, coff_rtype_to_howto, + coff_adjust_symndx, coff_link_add_one_symbol, + coff_link_output_has_begun, coff_final_link_postscript, + bfd_pe_print_pdata /* huh */ +}; + +#endif /* COFF_WITH_PE_BIGOBJ */ + #ifndef coff_close_and_cleanup #define coff_close_and_cleanup _bfd_generic_close_and_cleanup #endif |