diff options
Diffstat (limited to 'binutils-2.25/bfd/coffcode.h')
| -rw-r--r-- | binutils-2.25/bfd/coffcode.h | 468 |
1 files changed, 378 insertions, 90 deletions
diff --git a/binutils-2.25/bfd/coffcode.h b/binutils-2.25/bfd/coffcode.h index 542b5b70..9990b169 100644 --- a/binutils-2.25/bfd/coffcode.h +++ b/binutils-2.25/bfd/coffcode.h @@ -1,5 +1,5 @@ /* Support for the generic parts of most COFF variants, for BFD. - Copyright 1990-2013 Free Software Foundation, Inc. + Copyright (C) 1990-2014 Free Software Foundation, Inc. Written by Cygnus Support. This file is part of BFD, the Binary File Descriptor library. @@ -307,7 +307,7 @@ CODE_FRAGMENT .typedef struct coff_ptr_struct .{ . {* Remembers the offset from the first symbol in the file for -. this symbol. Generated by coff_renumber_symbols. *} +. this symbol. Generated by coff_renumber_symbols. *} . unsigned int offset; . . {* Should the value of this symbol be renumbered. Used for @@ -315,15 +315,15 @@ CODE_FRAGMENT . unsigned int fix_value : 1; . . {* Should the tag field of this symbol be renumbered. -. Created by coff_pointerize_aux. *} +. Created by coff_pointerize_aux. *} . unsigned int fix_tag : 1; . . {* Should the endidx field of this symbol be renumbered. -. Created by coff_pointerize_aux. *} +. Created by coff_pointerize_aux. *} . unsigned int fix_end : 1; . . {* Should the x_csect.x_scnlen field be renumbered. -. Created by coff_pointerize_aux. *} +. Created by coff_pointerize_aux. *} . unsigned int fix_scnlen : 1; . . {* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the @@ -331,12 +331,15 @@ CODE_FRAGMENT . unsigned int fix_line : 1; . . {* The container for the symbol structure as read and translated -. from the file. *} +. from the file. *} . union . { . union internal_auxent auxent; . struct internal_syment syment; . } u; +. +. {* Selector for the union above. *} +. bfd_boolean is_sym; .} combined_entry_type; . . @@ -928,12 +931,7 @@ handle_COMDAT (bfd * abfd, bfd_coff_swap_sym_in (abfd, esym, & isym); - if (sizeof (internal_s->s_name) > SYMNMLEN) - { - /* This case implies that the matching - symbol name will be in the string table. */ - abort (); - } + BFD_ASSERT (sizeof (internal_s->s_name) <= SYMNMLEN); if (isym.n_scnum == section->target_index) { @@ -964,8 +962,12 @@ handle_COMDAT (bfd * abfd, /* All 3 branches use this. */ symname = _bfd_coff_internal_syment_name (abfd, &isym, buf); + /* PR 17512 file: 078-11867-0.004 */ if (symname == NULL) - abort (); + { + _bfd_error_handler (_("%B: unable to load COMDAT section name"), abfd); + break; + } switch (seen_state) { @@ -1393,6 +1395,7 @@ 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 +1533,9 @@ 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)) . @@ -1793,6 +1799,7 @@ coff_new_section_hook (bfd * abfd, asection * section) in case this symbol winds up getting written out. The value 0 for n_numaux is already correct. */ + native->is_sym = TRUE; native->u.syment.n_type = T_NULL; native->u.syment.n_sclass = sclass; @@ -2092,12 +2099,6 @@ coff_set_arch_mach_hook (bfd *abfd, void * filehdr) machine = 0; switch (internal_f->f_magic) { -#ifdef OR32_MAGIC_BIG - case OR32_MAGIC_BIG: - case OR32_MAGIC_LITTLE: - arch = bfd_arch_or32; - break; -#endif #ifdef PPCMAGIC case PPCMAGIC: arch = bfd_arch_powerpc; @@ -2500,11 +2501,13 @@ coff_pointerize_aux_hook (bfd *abfd ATTRIBUTE_UNUSED, unsigned int indaux, combined_entry_type *aux) { + BFD_ASSERT (symbol->is_sym); int n_sclass = symbol->u.syment.n_sclass; if (CSECT_SYM_P (n_sclass) && indaux + 1 == symbol->u.syment.n_numaux) { + BFD_ASSERT (! aux->is_sym); if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) == XTY_LD) { aux->u.auxent.x_csect.x_scnlen.p = @@ -2537,6 +2540,7 @@ coff_pointerize_aux_hook (bfd *abfd ATTRIBUTE_UNUSED, /* Return TRUE if we don't want to pointerize this aux entry, which is the case for the lastfirst aux entry for a C_LEAFPROC symbol. */ return (indaux == 1 + && symbol->is_sym && (symbol->u.syment.n_sclass == C_LEAFPROC || symbol->u.syment.n_sclass == C_LEAFSTAT || symbol->u.syment.n_sclass == C_LEAFEXT)); @@ -2559,6 +2563,8 @@ coff_print_aux (bfd *abfd ATTRIBUTE_UNUSED, combined_entry_type *aux ATTRIBUTE_UNUSED, unsigned int indaux ATTRIBUTE_UNUSED) { + BFD_ASSERT (symbol->is_sym); + BFD_ASSERT (! aux->is_sym); #ifdef RS6000COFF_C if (CSECT_SYM_P (symbol->u.syment.n_sclass) && indaux + 1 == symbol->u.syment.n_numaux) @@ -3064,15 +3070,6 @@ coff_set_flags (bfd * abfd, return TRUE; #endif -#ifdef OR32_MAGIC_BIG - case bfd_arch_or32: - if (bfd_big_endian (abfd)) - * magicp = OR32_MAGIC_BIG; - else - * magicp = OR32_MAGIC_LITTLE; - return TRUE; -#endif - default: /* Unknown architecture. */ /* Fall through to "return FALSE" below, to avoid "statement never reached" errors on the one below. */ @@ -3136,7 +3133,7 @@ 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; @@ -3145,7 +3142,8 @@ coff_compute_section_file_positions (bfd * abfd) #ifdef COFF_IMAGE_WITH_PE int page_size; - if (coff_data (abfd)->link_info) + if (coff_data (abfd)->link_info + || (pe_data (abfd) && pe_data (abfd)->pe_opthdr.FileAlignment)) { page_size = pe_data (abfd)->pe_opthdr.FileAlignment; @@ -3179,6 +3177,7 @@ coff_compute_section_file_positions (bfd * abfd) cf = coff_symbol_from (abfd, *symp); if (cf != NULL && cf->native != NULL + && cf->native->is_sym && SYMNAME_IN_DEBUG (&cf->native->u.syment)) { size_t len; @@ -3304,7 +3303,7 @@ 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) @@ -3876,6 +3875,7 @@ coff_write_object_contents (bfd * abfd) csym = coff_symbol_from (abfd, *psym); if (csym == NULL || csym->native == NULL + || ! csym->native->is_sym || csym->native->u.syment.n_numaux < 1 || csym->native->u.syment.n_sclass != C_STAT || csym->native->u.syment.n_type != T_NULL) @@ -3898,6 +3898,7 @@ coff_write_object_contents (bfd * abfd) x_associated field is not currently supported. */ aux = csym->native + 1; + BFD_ASSERT (! aux->is_sym); switch (current->flags & SEC_LINK_DUPLICATES) { case SEC_LINK_DUPLICATES_DISCARD: @@ -4043,8 +4044,6 @@ coff_write_object_contents (bfd * abfd) internal_f.f_flags |= F_DYNLOAD; #endif - memset (&internal_a, 0, sizeof internal_a); - /* Set up architecture-dependent stuff. */ { unsigned int magic = 0; @@ -4154,11 +4153,6 @@ coff_write_object_contents (bfd * abfd) internal_a.magic = MIPS_PE_MAGIC; #endif -#ifdef OR32 -#define __A_MAGIC_SET__ - internal_a.magic = NMAGIC; /* Assume separate i/d. */ -#endif - #ifndef __A_MAGIC_SET__ #include "Your aouthdr magic number is not being set!" #else @@ -4325,7 +4319,18 @@ coff_write_object_contents (bfd * abfd) } #endif - /* Now write them. */ +#ifdef COFF_WITH_PE + { + /* After object contents are finalized so we can compute a reasonable hash, + but before header is written so we can update it to point to debug directory. */ + struct pe_tdata *pe = pe_data (abfd); + + if (pe->build_id.after_write_object_contents != NULL) + (*pe->build_id.after_write_object_contents) (abfd); + } +#endif + + /* Now write header. */ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) return FALSE; @@ -4460,11 +4465,11 @@ buy_and_read (bfd *abfd, file_ptr where, bfd_size_type size) void * area = bfd_alloc (abfd, size); if (!area) - return (NULL); + return NULL; if (bfd_seek (abfd, where, SEEK_SET) != 0 || bfd_bread (area, size, abfd) != size) - return (NULL); - return (area); + return NULL; + return area; } /* @@ -4498,6 +4503,8 @@ coff_sort_func_alent (const void * arg1, const void * arg2) const coff_symbol_type *s1 = (const coff_symbol_type *) (al1->u.sym); const coff_symbol_type *s2 = (const coff_symbol_type *) (al2->u.sym); + if (s1 == NULL || s2 == NULL) + return 0; if (s1->symbol.value < s2->symbol.value) return -1; else if (s1->symbol.value > s2->symbol.value) @@ -4515,9 +4522,10 @@ coff_slurp_line_table (bfd *abfd, asection *asect) unsigned int counter; alent *cache_ptr; bfd_vma prev_offset = 0; - int ordered = 1; + bfd_boolean ordered = TRUE; unsigned int nbr_func; LINENO *src; + bfd_boolean have_func; BFD_ASSERT (asect->lineno == NULL); @@ -4540,57 +4548,85 @@ coff_slurp_line_table (bfd *abfd, asection *asect) asect->lineno = lineno_cache; src = native_lineno; nbr_func = 0; + have_func = FALSE; - for (counter = 0; counter < asect->lineno_count; counter++) + for (counter = 0; counter < asect->lineno_count; counter++, src++) { struct internal_lineno dst; bfd_coff_swap_lineno_in (abfd, src, &dst); cache_ptr->line_number = dst.l_lnno; + /* Appease memory checkers that get all excited about + uninitialised memory when copying alents if u.offset is + larger than u.sym. (64-bit BFD on 32-bit host.) */ + memset (&cache_ptr->u, 0, sizeof (cache_ptr->u)); if (cache_ptr->line_number == 0) { - bfd_boolean warned; - bfd_signed_vma symndx; + combined_entry_type * ent; + bfd_vma symndx; coff_symbol_type *sym; - nbr_func++; - warned = FALSE; + have_func = FALSE; symndx = dst.l_addr.l_symndx; - if (symndx < 0 - || (bfd_vma) symndx >= obj_raw_syment_count (abfd)) + if (symndx >= obj_raw_syment_count (abfd)) { (*_bfd_error_handler) - (_("%B: warning: illegal symbol index %ld in line numbers"), - abfd, (long) symndx); - symndx = 0; - warned = TRUE; + (_("%B: warning: illegal symbol index 0x%lx in line number entry %d"), + abfd, (long) symndx, counter); + cache_ptr->line_number = -1; + continue; } + ent = obj_raw_syments (abfd) + symndx; /* FIXME: We should not be casting between ints and pointers like this. */ - sym = ((coff_symbol_type *) - ((symndx + obj_raw_syments (abfd)) - ->u.syment._n._n_n._n_zeroes)); + if (! ent->is_sym) + { + (*_bfd_error_handler) + (_("%B: warning: illegal symbol index 0x%lx in line number entry %d"), + abfd, (long) symndx, counter); + cache_ptr->line_number = -1; + continue; + } + sym = (coff_symbol_type *) (ent->u.syment._n._n_n._n_zeroes); + + /* PR 17512 file: 078-10659-0.004 */ + if (sym < obj_symbols (abfd) + || sym >= obj_symbols (abfd) + bfd_get_symcount (abfd)) + { + (*_bfd_error_handler) + (_("%B: warning: illegal symbol in line number entry %d"), + abfd, counter); + cache_ptr->line_number = -1; + continue; + } + + have_func = TRUE; + nbr_func++; cache_ptr->u.sym = (asymbol *) sym; - if (sym->lineno != NULL && ! warned) + if (sym->lineno != NULL) (*_bfd_error_handler) (_("%B: warning: duplicate line number information for `%s'"), abfd, bfd_asymbol_name (&sym->symbol)); sym->lineno = cache_ptr; if (sym->symbol.value < prev_offset) - ordered = 0; + ordered = FALSE; prev_offset = sym->symbol.value; } + else if (!have_func) + /* Drop line information that has no associated function. + PR 17521: file: 078-10659-0.004. */ + continue; else - cache_ptr->u.offset = dst.l_addr.l_paddr - - bfd_section_vma (abfd, asect); - + cache_ptr->u.offset = (dst.l_addr.l_paddr + - bfd_section_vma (abfd, asect)); cache_ptr++; - src++; } - cache_ptr->line_number = 0; + + asect->lineno_count = cache_ptr - lineno_cache; + memset (cache_ptr, 0, sizeof (*cache_ptr)); bfd_release (abfd, native_lineno); /* On some systems (eg AIX5.3) the lineno table may not be sorted. */ @@ -4607,15 +4643,17 @@ coff_slurp_line_table (bfd *abfd, asection *asect) alent **p = func_table; unsigned int i; - for (i = 0; i < counter; i++) + for (i = 0; i < asect->lineno_count; i++) if (lineno_cache[i].line_number == 0) *p++ = &lineno_cache[i]; + BFD_ASSERT ((unsigned int) (p - func_table) == nbr_func); + /* Sort by functions. */ qsort (func_table, nbr_func, sizeof (alent *), coff_sort_func_alent); /* Create the new sorted table. */ - amt = ((bfd_size_type) asect->lineno_count + 1) * sizeof (alent); + amt = (bfd_size_type) asect->lineno_count * sizeof (alent); n_lineno_cache = (alent *) bfd_alloc (abfd, amt); if (n_lineno_cache != NULL) { @@ -4626,18 +4664,18 @@ coff_slurp_line_table (bfd *abfd, asection *asect) coff_symbol_type *sym; alent *old_ptr = func_table[i]; - /* Copy the function entry and update it. */ - *n_cache_ptr = *old_ptr; - sym = (coff_symbol_type *)n_cache_ptr->u.sym; - sym->lineno = n_cache_ptr; - n_cache_ptr++; - old_ptr++; - - /* Copy the line number entries. */ - while (old_ptr->line_number != 0) + /* Update the function entry. */ + sym = (coff_symbol_type *) old_ptr->u.sym; + /* PR binutils/17512: Point the lineno to where + this entry will be after the memcpy below. */ + sym->lineno = lineno_cache + (n_cache_ptr - n_lineno_cache); + /* Copy the function and line number entries. */ + do *n_cache_ptr++ = *old_ptr++; + while (old_ptr->line_number != 0); } - n_cache_ptr->line_number = 0; + BFD_ASSERT ((bfd_size_type) (n_cache_ptr - n_lineno_cache) == (amt / sizeof (alent))); + memcpy (lineno_cache, n_lineno_cache, amt); } bfd_release (abfd, func_table); @@ -4676,7 +4714,7 @@ coff_slurp_symbol_table (bfd * abfd) amt = obj_raw_syment_count (abfd); amt *= sizeof (unsigned int); - table_ptr = (unsigned int *) bfd_alloc (abfd, amt); + table_ptr = (unsigned int *) bfd_zalloc (abfd, amt); if (table_ptr == NULL) return FALSE; @@ -4690,14 +4728,17 @@ coff_slurp_symbol_table (bfd * abfd) { combined_entry_type *src = native_symbols + this_index; table_ptr[this_index] = number_of_symbols; - dst->symbol.the_bfd = abfd; + dst->symbol.the_bfd = abfd; + BFD_ASSERT (src->is_sym); dst->symbol.name = (char *) (src->u.syment._n._n_n._n_offset); /* We use the native name field to point to the cached field. */ src->u.syment._n._n_n._n_zeroes = (bfd_hostptr_t) dst; dst->symbol.section = coff_section_from_bfd_index (abfd, src->u.syment.n_scnum); dst->symbol.flags = 0; + /* PR 17512: file: 079-7098-0.001:0.1. */ + dst->symbol.value = 0; dst->done_lineno = FALSE; switch (src->u.syment.n_sclass) @@ -4984,9 +5025,9 @@ coff_slurp_symbol_table (bfd * abfd) } dst->native = src; - dst->symbol.udata.i = 0; dst->lineno = NULL; + this_index += (src->u.syment.n_numaux) + 1; dst++; number_of_symbols++; @@ -5069,13 +5110,13 @@ coff_classify_symbol (bfd *abfd, if (syment->n_value == 0) { asection *sec; - char buf[SYMNMLEN + 1]; - - sec = coff_section_from_bfd_index (abfd, syment->n_scnum); - if (sec != NULL - && (strcmp (bfd_get_section_name (abfd, sec), - _bfd_coff_internal_syment_name (abfd, syment, buf)) - == 0)) + char * name; + char buf[SYMNMLEN + 1]; + + name = _bfd_coff_internal_syment_name (abfd, syment, buf) + sec = coff_section_from_bfd_index (abfd, syment->n_scnum); + if (sec != NULL && name != NULL + && (strcmp (bfd_get_section_name (abfd, sec), name) == 0)) return COFF_SYMBOL_PE_SECTION; } #endif @@ -5146,6 +5187,7 @@ SUBSUBSECTION else if (ptr) \ coffsym = coff_symbol_from (abfd, ptr); \ if (coffsym != NULL \ + && coffsym->native->is_sym \ && coffsym->native->u.syment.n_scnum == 0) \ cache_ptr->addend = 0; \ else if (ptr && bfd_asymbol_bfd (ptr) == abfd \ @@ -5360,10 +5402,6 @@ dummy_reloc16_extra_cases (bfd *abfd ATTRIBUTE_UNUSED, } #endif -#ifndef coff_bfd_link_hash_table_free -#define coff_bfd_link_hash_table_free _bfd_generic_link_hash_table_free -#endif - /* If coff_relocate_section is defined, we can use the optimized COFF backend linker. Otherwise we must continue to use the old linker. */ @@ -5497,6 +5535,7 @@ 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 +5576,7 @@ 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 +5618,7 @@ 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 +5632,253 @@ static bfd_coff_backend_data ticoff1_swap_table = }; #endif +#ifdef COFF_WITH_PE_BIGOBJ +/* The UID 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 |