X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Fcofflink.c;h=5b18e5451857a71c8c88d0f2e5a22acf8b14f53f;hb=c757658ed60fb1027a4335358bd55eaf6c23190f;hp=223ccbf1c7bdbee091a6f7bf387d6af1cde99452;hpb=b653e1b1521ac68fc398311345fe7df54803f1ec;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/cofflink.c b/bfd/cofflink.c index 223ccbf1c7..5b18e54518 100644 --- a/bfd/cofflink.c +++ b/bfd/cofflink.c @@ -1,51 +1,46 @@ /* COFF specific linker code. - Copyright 1994, 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. + Copyright (C) 1994-2017 Free Software Foundation, Inc. Written by Ian Lance Taylor, Cygnus Support. -This file is part of BFD, the Binary File Descriptor library. + This file is part of BFD, the Binary File Descriptor library. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + 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. */ /* This file contains the COFF backend linker code. */ -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "bfdlink.h" #include "libbfd.h" #include "coff/internal.h" #include "libcoff.h" +#include "safe-ctype.h" -static boolean coff_link_add_object_symbols - PARAMS ((bfd *, struct bfd_link_info *)); -static boolean coff_link_check_archive_element - PARAMS ((bfd *, struct bfd_link_info *, boolean *)); -static boolean coff_link_check_ar_symbols - PARAMS ((bfd *, struct bfd_link_info *, boolean *)); -static boolean coff_link_add_symbols PARAMS ((bfd *, struct bfd_link_info *)); -static char *dores_com PARAMS ((char *, bfd *, int)); -static char *get_name PARAMS ((char *, char **)); -static int process_embedded_commands - PARAMS ((bfd *, struct bfd_link_info *, bfd *)); -static void mark_relocs PARAMS ((struct coff_final_link_info *, bfd *)); - -/* Return true if SYM is a weak, external symbol. */ +static bfd_boolean coff_link_add_object_symbols (bfd *, struct bfd_link_info *); +static bfd_boolean coff_link_check_archive_element + (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, const char *, + bfd_boolean *); +static bfd_boolean coff_link_add_symbols (bfd *, struct bfd_link_info *); + +/* Return TRUE if SYM is a weak, external symbol. */ #define IS_WEAK_EXTERNAL(abfd, sym) \ ((sym).n_sclass == C_WEAKEXT \ || (obj_pe (abfd) && (sym).n_sclass == C_NT_WEAK)) -/* Return true if SYM is an external symbol. */ +/* Return TRUE if SYM is an external symbol. */ #define IS_EXTERNAL(abfd, sym) \ ((sym).n_sclass == C_EXT || IS_WEAK_EXTERNAL (abfd, sym)) @@ -62,10 +57,9 @@ static void mark_relocs PARAMS ((struct coff_final_link_info *, bfd *)); /* Create an entry in a COFF linker hash table. */ struct bfd_hash_entry * -_bfd_coff_link_hash_newfunc (entry, table, string) - struct bfd_hash_entry *entry; - struct bfd_hash_table *table; - const char *string; +_bfd_coff_link_hash_newfunc (struct bfd_hash_entry *entry, + struct bfd_hash_table *table, + const char *string) { struct coff_link_hash_entry *ret = (struct coff_link_hash_entry *) entry; @@ -86,7 +80,7 @@ _bfd_coff_link_hash_newfunc (entry, table, string) /* Set local fields. */ ret->indx = -1; ret->type = T_NULL; - ret->class = C_NULL; + ret->symbol_class = C_NULL; ret->numaux = 0; ret->auxbfd = NULL; ret->aux = NULL; @@ -97,34 +91,35 @@ _bfd_coff_link_hash_newfunc (entry, table, string) /* Initialize a COFF linker hash table. */ -boolean -_bfd_coff_link_hash_table_init (table, abfd, newfunc) - struct coff_link_hash_table *table; - bfd *abfd; - struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *, - struct bfd_hash_table *, - const char *)); +bfd_boolean +_bfd_coff_link_hash_table_init (struct coff_link_hash_table *table, + bfd *abfd, + struct bfd_hash_entry *(*newfunc) (struct bfd_hash_entry *, + struct bfd_hash_table *, + const char *), + unsigned int entsize) { - table->stab_info = NULL; - return _bfd_link_hash_table_init (&table->root, abfd, newfunc); + memset (&table->stab_info, 0, sizeof (table->stab_info)); + return _bfd_link_hash_table_init (&table->root, abfd, newfunc, entsize); } /* Create a COFF linker hash table. */ struct bfd_link_hash_table * -_bfd_coff_link_hash_table_create (abfd) - bfd *abfd; +_bfd_coff_link_hash_table_create (bfd *abfd) { struct coff_link_hash_table *ret; + bfd_size_type amt = sizeof (struct coff_link_hash_table); - ret = ((struct coff_link_hash_table *) - bfd_alloc (abfd, sizeof (struct coff_link_hash_table))); + ret = (struct coff_link_hash_table *) bfd_malloc (amt); if (ret == NULL) return NULL; + if (! _bfd_coff_link_hash_table_init (ret, abfd, - _bfd_coff_link_hash_newfunc)) + _bfd_coff_link_hash_newfunc, + sizeof (struct coff_link_hash_entry))) { - bfd_release (abfd, ret); + free (ret); return (struct bfd_link_hash_table *) NULL; } return &ret->root; @@ -133,10 +128,9 @@ _bfd_coff_link_hash_table_create (abfd) /* Create an entry in a COFF debug merge hash table. */ struct bfd_hash_entry * -_bfd_coff_debug_merge_hash_newfunc (entry, table, string) - struct bfd_hash_entry *entry; - struct bfd_hash_table *table; - const char *string; +_bfd_coff_debug_merge_hash_newfunc (struct bfd_hash_entry *entry, + struct bfd_hash_table *table, + const char *string) { struct coff_debug_merge_hash_entry *ret = (struct coff_debug_merge_hash_entry *) entry; @@ -165,42 +159,37 @@ _bfd_coff_debug_merge_hash_newfunc (entry, table, string) /* Given a COFF BFD, add symbols to the global hash table as appropriate. */ -boolean -_bfd_coff_link_add_symbols (abfd, info) - bfd *abfd; - struct bfd_link_info *info; +bfd_boolean +_bfd_coff_link_add_symbols (bfd *abfd, struct bfd_link_info *info) { switch (bfd_get_format (abfd)) { case bfd_object: return coff_link_add_object_symbols (abfd, info); case bfd_archive: - return (_bfd_generic_link_add_archive_symbols - (abfd, info, coff_link_check_archive_element)); + return _bfd_generic_link_add_archive_symbols + (abfd, info, coff_link_check_archive_element); default: bfd_set_error (bfd_error_wrong_format); - return false; + return FALSE; } } /* Add symbols from a COFF object file. */ -static boolean -coff_link_add_object_symbols (abfd, info) - bfd *abfd; - struct bfd_link_info *info; +static bfd_boolean +coff_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info) { if (! _bfd_coff_get_external_symbols (abfd)) - return false; + return FALSE; if (! coff_link_add_symbols (abfd, info)) - return false; + return FALSE; - if (! info->keep_memory) - { - if (! _bfd_coff_free_symbols (abfd)) - return false; - } - return true; + if (! info->keep_memory + && ! _bfd_coff_free_symbols (abfd)) + return FALSE; + + return TRUE; } /* Check a single archive element to see if we need to include it in @@ -208,136 +197,73 @@ coff_link_add_object_symbols (abfd, info) needed in the link or not. This is called via _bfd_generic_link_add_archive_symbols. */ -static boolean -coff_link_check_archive_element (abfd, info, pneeded) - bfd *abfd; - struct bfd_link_info *info; - boolean *pneeded; +static bfd_boolean +coff_link_check_archive_element (bfd *abfd, + struct bfd_link_info *info, + struct bfd_link_hash_entry *h, + const char *name, + bfd_boolean *pneeded) { - if (! _bfd_coff_get_external_symbols (abfd)) - return false; + *pneeded = FALSE; - if (! coff_link_check_ar_symbols (abfd, info, pneeded)) - return false; + /* We are only interested in symbols that are currently undefined. + If a symbol is currently known to be common, COFF linkers do not + bring in an object file which defines it. */ + if (h->type != bfd_link_hash_undefined) + return TRUE; - if (*pneeded) - { - if (! coff_link_add_symbols (abfd, info)) - return false; - } + /* PR 22369 - Skip non COFF objects in the archive. */ + if (! bfd_family_coff (abfd)) + return TRUE; - if (! info->keep_memory || ! *pneeded) - { - if (! _bfd_coff_free_symbols (abfd)) - return false; - } + /* Include this element? */ + if (!(*info->callbacks->add_archive_element) (info, abfd, name, &abfd)) + return TRUE; + *pneeded = TRUE; - return true; -} - -/* Look through the symbols to see if this object file should be - included in the link. */ - -static boolean -coff_link_check_ar_symbols (abfd, info, pneeded) - bfd *abfd; - struct bfd_link_info *info; - boolean *pneeded; -{ - bfd_size_type symesz; - bfd_byte *esym; - bfd_byte *esym_end; - - *pneeded = false; - - symesz = bfd_coff_symesz (abfd); - esym = (bfd_byte *) obj_coff_external_syms (abfd); - esym_end = esym + obj_raw_syment_count (abfd) * symesz; - while (esym < esym_end) - { - struct internal_syment sym; - enum coff_symbol_classification classification; - - bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &sym); - - classification = bfd_coff_classify_symbol (abfd, &sym); - if (classification == COFF_SYMBOL_GLOBAL - || classification == COFF_SYMBOL_COMMON) - { - const char *name; - char buf[SYMNMLEN + 1]; - struct bfd_link_hash_entry *h; - - /* This symbol is externally visible, and is defined by this - object file. */ - - name = _bfd_coff_internal_syment_name (abfd, &sym, buf); - if (name == NULL) - return false; - h = bfd_link_hash_lookup (info->hash, name, false, false, true); - - /* We are only interested in symbols that are currently - undefined. If a symbol is currently known to be common, - COFF linkers do not bring in an object file which defines - it. */ - if (h != (struct bfd_link_hash_entry *) NULL - && h->type == bfd_link_hash_undefined) - { - if (! (*info->callbacks->add_archive_element) (info, abfd, name)) - return false; - *pneeded = true; - return true; - } - } - - esym += (sym.n_numaux + 1) * symesz; - } - - /* We do not need this object file. */ - return true; + return coff_link_add_object_symbols (abfd, info); } /* Add all the symbols from an object file to the hash table. */ -static boolean -coff_link_add_symbols (abfd, info) - bfd *abfd; - struct bfd_link_info *info; +static bfd_boolean +coff_link_add_symbols (bfd *abfd, + struct bfd_link_info *info) { unsigned int n_tmask = coff_data (abfd)->local_n_tmask; unsigned int n_btshft = coff_data (abfd)->local_n_btshft; unsigned int n_btmask = coff_data (abfd)->local_n_btmask; - boolean keep_syms; - boolean default_copy; + bfd_boolean keep_syms; + bfd_boolean default_copy; bfd_size_type symcount; struct coff_link_hash_entry **sym_hash; bfd_size_type symesz; bfd_byte *esym; bfd_byte *esym_end; + bfd_size_type amt; + + symcount = obj_raw_syment_count (abfd); + + if (symcount == 0) + return TRUE; /* Nothing to do. */ /* Keep the symbols during this function, in case the linker needs to read the generic symbols in order to report an error message. */ keep_syms = obj_coff_keep_syms (abfd); - obj_coff_keep_syms (abfd) = true; + obj_coff_keep_syms (abfd) = TRUE; if (info->keep_memory) - default_copy = false; + default_copy = FALSE; else - default_copy = true; - - symcount = obj_raw_syment_count (abfd); + default_copy = TRUE; /* We keep a list of the linker hash table entries that correspond to particular symbols. */ - sym_hash = ((struct coff_link_hash_entry **) - bfd_alloc (abfd, - ((size_t) symcount - * sizeof (struct coff_link_hash_entry *)))); - if (sym_hash == NULL && symcount != 0) + amt = symcount * sizeof (struct coff_link_hash_entry *); + sym_hash = (struct coff_link_hash_entry **) bfd_zalloc (abfd, amt); + if (sym_hash == NULL) goto error_return; obj_coff_sym_hashes (abfd) = sym_hash; - memset (sym_hash, 0, - (size_t) symcount * sizeof (struct coff_link_hash_entry *)); symesz = bfd_coff_symesz (abfd); BFD_ASSERT (symesz == bfd_coff_auxesz (abfd)); @@ -347,9 +273,9 @@ coff_link_add_symbols (abfd, info) { struct internal_syment sym; enum coff_symbol_classification classification; - boolean copy; + bfd_boolean copy; - bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &sym); + bfd_coff_swap_sym_in (abfd, esym, &sym); classification = bfd_coff_classify_symbol (abfd, &sym); if (classification != COFF_SYMBOL_LOCAL) @@ -359,7 +285,7 @@ coff_link_add_symbols (abfd, info) flagword flags; asection *section; bfd_vma value; - boolean addit; + bfd_boolean addit; /* This symbol is externally visible. */ @@ -372,7 +298,7 @@ coff_link_add_symbols (abfd, info) copy = default_copy; if (sym._n._n_n._n_zeroes != 0 || sym._n._n_n._n_offset == 0) - copy = true; + copy = TRUE; value = sym.n_value; @@ -407,7 +333,7 @@ coff_link_add_symbols (abfd, info) if (IS_WEAK_EXTERNAL (abfd, sym)) flags = BSF_WEAK; - addit = true; + addit = TRUE; /* In the PE format, section symbols actually refer to the start of the output section. We handle them specially @@ -415,24 +341,24 @@ coff_link_add_symbols (abfd, info) if (obj_pe (abfd) && (flags & BSF_SECTION_SYM) != 0) { *sym_hash = coff_link_hash_lookup (coff_hash_table (info), - name, false, copy, false); + name, FALSE, copy, FALSE); if (*sym_hash != NULL) { if (((*sym_hash)->coff_link_hash_flags & COFF_LINK_HASH_PE_SECTION_SYMBOL) == 0 && (*sym_hash)->root.type != bfd_link_hash_undefined && (*sym_hash)->root.type != bfd_link_hash_undefweak) - (*_bfd_error_handler) - ("Warning: symbol `%s' is both section and non-section", + _bfd_error_handler + (_("Warning: symbol `%s' is both section and non-section"), name); - addit = false; + addit = FALSE; } } /* The Microsoft Visual C compiler does string pooling by hashing the constants to an internal symbol name, and - relying on the the linker comdat support to discard + relying on the linker comdat support to discard duplicate names. However, if one string is a literal and one is a data initializer, one will end up in the .data section and one will end up in the .rdata section. The @@ -455,26 +381,27 @@ coff_link_add_symbols (abfd, info) if (obj_pe (abfd) && (classification == COFF_SYMBOL_GLOBAL || classification == COFF_SYMBOL_PE_SECTION) - && section->comdat != NULL - && strncmp (name, "??_", 3) == 0 - && strcmp (name, section->comdat->name) == 0) + && coff_section_data (abfd, section) != NULL + && coff_section_data (abfd, section)->comdat != NULL + && CONST_STRNEQ (name, "??_") + && strcmp (name, coff_section_data (abfd, section)->comdat->name) == 0) { if (*sym_hash == NULL) *sym_hash = coff_link_hash_lookup (coff_hash_table (info), - name, false, copy, false); + name, FALSE, copy, FALSE); if (*sym_hash != NULL && (*sym_hash)->root.type == bfd_link_hash_defined - && (*sym_hash)->root.u.def.section->comdat != NULL - && strcmp ((*sym_hash)->root.u.def.section->comdat->name, - section->comdat->name) == 0) - addit = false; + && coff_section_data (abfd, (*sym_hash)->root.u.def.section)->comdat != NULL + && strcmp (coff_section_data (abfd, (*sym_hash)->root.u.def.section)->comdat->name, + coff_section_data (abfd, section)->comdat->name) == 0) + addit = FALSE; } if (addit) { if (! (bfd_coff_link_add_one_symbol (info, abfd, name, flags, section, value, - (const char *) NULL, copy, false, + (const char *) NULL, copy, FALSE, (struct bfd_link_hash_entry **) sym_hash))) goto error_return; } @@ -495,20 +422,20 @@ coff_link_add_symbols (abfd, info) (*sym_hash)->root.u.c.p->alignment_power = bfd_coff_default_section_alignment_power (abfd); - if (info->hash->creator->flavour == bfd_get_flavour (abfd)) + if (bfd_get_flavour (info->output_bfd) == bfd_get_flavour (abfd)) { /* If we don't have any symbol information currently in the hash table, or if we are looking at a symbol definition, then update the symbol class and type in the hash table. */ - if (((*sym_hash)->class == C_NULL + if (((*sym_hash)->symbol_class == C_NULL && (*sym_hash)->type == T_NULL) || sym.n_scnum != 0 || (sym.n_value != 0 && (*sym_hash)->root.type != bfd_link_hash_defined && (*sym_hash)->root.type != bfd_link_hash_defweak)) { - (*sym_hash)->class = sym.n_sclass; + (*sym_hash)->symbol_class = sym.n_sclass; if (sym.n_type != T_NULL) { /* We want to warn if the type changed, but not @@ -522,10 +449,11 @@ coff_link_add_symbols (abfd, info) && !(DTYPE ((*sym_hash)->type) == DTYPE (sym.n_type) && (BTYPE ((*sym_hash)->type) == T_NULL || BTYPE (sym.n_type) == T_NULL))) - (*_bfd_error_handler) - (_("Warning: type of symbol `%s' changed from %d to %d in %s"), - name, (*sym_hash)->type, sym.n_type, - bfd_get_filename (abfd)); + _bfd_error_handler + /* xgettext: c-format */ + (_("Warning: type of symbol `%s' changed" + " from %d to %d in %B"), + name, (*sym_hash)->type, sym.n_type, abfd); /* We don't want to change from a meaningful base type to a null one, but if we know @@ -552,9 +480,9 @@ coff_link_add_symbols (abfd, info) for (i = 0, eaux = esym + symesz, iaux = alloc; i < sym.n_numaux; i++, eaux += symesz, iaux++) - bfd_coff_swap_aux_in (abfd, (PTR) eaux, sym.n_type, - sym.n_sclass, i, sym.n_numaux, - (PTR) iaux); + bfd_coff_swap_aux_in (abfd, eaux, sym.n_type, + sym.n_sclass, (int) i, + sym.n_numaux, iaux); (*sym_hash)->aux = alloc; } } @@ -570,10 +498,9 @@ coff_link_add_symbols (abfd, info) FIXME: This is not at all the right place to do this. For example, it won't help objdump. This needs to be done when we swap in the section header. */ - BFD_ASSERT ((*sym_hash)->numaux == 1); - if (section->_raw_size == 0) - section->_raw_size = (*sym_hash)->aux[0].x_scn.x_scnlen; + if (section->size == 0) + section->size = (*sym_hash)->aux[0].x_scn.x_scnlen; /* FIXME: We could test whether the section sizes matches the size in the aux entry, but apparently @@ -585,31 +512,35 @@ coff_link_add_symbols (abfd, info) sym_hash += sym.n_numaux + 1; } - /* If this is a non-traditional, non-relocateable link, try to + /* If this is a non-traditional, non-relocatable link, try to optimize the handling of any .stab/.stabstr sections. */ - if (! info->relocateable + if (! bfd_link_relocatable (info) && ! info->traditional_format - && info->hash->creator->flavour == bfd_get_flavour (abfd) + && bfd_get_flavour (info->output_bfd) == bfd_get_flavour (abfd) && (info->strip != strip_all && info->strip != strip_debugger)) { - asection *stab, *stabstr; + asection *stabstr; + + stabstr = bfd_get_section_by_name (abfd, ".stabstr"); - stab = bfd_get_section_by_name (abfd, ".stab"); - if (stab != NULL) + if (stabstr != NULL) { - stabstr = bfd_get_section_by_name (abfd, ".stabstr"); + bfd_size_type string_offset = 0; + asection *stab; - if (stabstr != NULL) + for (stab = abfd->sections; stab; stab = stab->next) + if (CONST_STRNEQ (stab->name, ".stab") + && (!stab->name[5] + || (stab->name[5] == '.' && ISDIGIT (stab->name[6])))) { struct coff_link_hash_table *table; - struct coff_section_tdata *secdata; + struct coff_section_tdata *secdata + = coff_section_data (abfd, stab); - secdata = coff_section_data (abfd, stab); if (secdata == NULL) { - stab->used_by_bfd = - (PTR) bfd_zalloc (abfd, - sizeof (struct coff_section_tdata)); + amt = sizeof (struct coff_section_tdata); + stab->used_by_bfd = bfd_zalloc (abfd, amt); if (stab->used_by_bfd == NULL) goto error_return; secdata = coff_section_data (abfd, stab); @@ -619,7 +550,8 @@ coff_link_add_symbols (abfd, info) if (! _bfd_link_section_stabs (abfd, &table->stab_info, stab, stabstr, - &secdata->stab_info)) + &secdata->stab_info, + &string_offset)) goto error_return; } } @@ -627,31 +559,30 @@ coff_link_add_symbols (abfd, info) obj_coff_keep_syms (abfd) = keep_syms; - return true; + return TRUE; error_return: obj_coff_keep_syms (abfd) = keep_syms; - return false; + return FALSE; } /* Do the final link step. */ -boolean -_bfd_coff_final_link (abfd, info) - bfd *abfd; - struct bfd_link_info *info; +bfd_boolean +_bfd_coff_final_link (bfd *abfd, + struct bfd_link_info *info) { bfd_size_type symesz; - struct coff_final_link_info finfo; - boolean debug_merge_allocated; - boolean long_section_names; + struct coff_final_link_info flaginfo; + bfd_boolean debug_merge_allocated; + bfd_boolean long_section_names; asection *o; struct bfd_link_order *p; - size_t max_sym_count; - size_t max_lineno_count; - size_t max_reloc_count; - size_t max_output_reloc_count; - size_t max_contents_size; + bfd_size_type max_sym_count; + bfd_size_type max_lineno_count; + bfd_size_type max_reloc_count; + bfd_size_type max_output_reloc_count; + bfd_size_type max_contents_size; file_ptr rel_filepos; unsigned int relsz; file_ptr line_filepos; @@ -659,35 +590,36 @@ _bfd_coff_final_link (abfd, info) bfd *sub; bfd_byte *external_relocs = NULL; char strbuf[STRING_SIZE_SIZE]; + bfd_size_type amt; symesz = bfd_coff_symesz (abfd); - finfo.info = info; - finfo.output_bfd = abfd; - finfo.strtab = NULL; - finfo.section_info = NULL; - finfo.last_file_index = -1; - finfo.last_bf_index = -1; - finfo.internal_syms = NULL; - finfo.sec_ptrs = NULL; - finfo.sym_indices = NULL; - finfo.outsyms = NULL; - finfo.linenos = NULL; - finfo.contents = NULL; - finfo.external_relocs = NULL; - finfo.internal_relocs = NULL; - finfo.global_to_static = false; - debug_merge_allocated = false; + flaginfo.info = info; + flaginfo.output_bfd = abfd; + flaginfo.strtab = NULL; + flaginfo.section_info = NULL; + flaginfo.last_file_index = -1; + flaginfo.last_bf_index = -1; + flaginfo.internal_syms = NULL; + flaginfo.sec_ptrs = NULL; + flaginfo.sym_indices = NULL; + flaginfo.outsyms = NULL; + flaginfo.linenos = NULL; + flaginfo.contents = NULL; + flaginfo.external_relocs = NULL; + flaginfo.internal_relocs = NULL; + flaginfo.global_to_static = FALSE; + debug_merge_allocated = FALSE; coff_data (abfd)->link_info = info; - finfo.strtab = _bfd_stringtab_init (); - if (finfo.strtab == NULL) + flaginfo.strtab = _bfd_stringtab_init (); + if (flaginfo.strtab == NULL) goto error_return; - if (! coff_debug_merge_hash_table_init (&finfo.debug_merge)) + if (! coff_debug_merge_hash_table_init (&flaginfo.debug_merge)) goto error_return; - debug_merge_allocated = true; + debug_merge_allocated = TRUE; /* Compute the file positions for all the sections. */ if (! abfd->output_has_begun) @@ -704,12 +636,12 @@ _bfd_coff_final_link (abfd, info) max_lineno_count = 0; max_reloc_count = 0; - long_section_names = false; + long_section_names = FALSE; for (o = abfd->sections; o != NULL; o = o->next) { o->reloc_count = 0; o->lineno_count = 0; - for (p = o->link_order_head; p != NULL; p = p->next) + for (p = o->map_head.link_order; p != NULL; p = p->next) { if (p->type == bfd_indirect_link_order) { @@ -721,23 +653,25 @@ _bfd_coff_final_link (abfd, info) link. This will normally be every section. We need to do this so that we can identify any sections which the linker has decided to not include. */ - sec->linker_mark = true; + sec->linker_mark = TRUE; if (info->strip == strip_none || info->strip == strip_some) o->lineno_count += sec->lineno_count; - if (info->relocateable) + if (bfd_link_relocatable (info)) o->reloc_count += sec->reloc_count; - if (sec->_raw_size > max_contents_size) - max_contents_size = sec->_raw_size; + if (sec->rawsize > max_contents_size) + max_contents_size = sec->rawsize; + if (sec->size > max_contents_size) + max_contents_size = sec->size; if (sec->lineno_count > max_lineno_count) max_lineno_count = sec->lineno_count; if (sec->reloc_count > max_reloc_count) max_reloc_count = sec->reloc_count; } - else if (info->relocateable + else if (bfd_link_relocatable (info) && (p->type == bfd_section_reloc_link_order || p->type == bfd_symbol_reloc_link_order)) ++o->reloc_count; @@ -749,6 +683,10 @@ _bfd_coff_final_link (abfd, info) o->flags |= SEC_RELOC; o->rel_filepos = rel_filepos; rel_filepos += o->reloc_count * relsz; + /* In PE COFF, if there are at least 0xffff relocations an + extra relocation will be written out to encode the count. */ + if (obj_pe (abfd) && o->reloc_count >= 0xffff) + rel_filepos += relsz; } if (bfd_coff_long_section_names (abfd) @@ -758,32 +696,31 @@ _bfd_coff_final_link (abfd, info) table. This must correspond to the code in coff_write_object_contents which puts the string index into the s_name field of the section header. That is why - we pass hash as false. */ - if (_bfd_stringtab_add (finfo.strtab, o->name, false, false) + we pass hash as FALSE. */ + if (_bfd_stringtab_add (flaginfo.strtab, o->name, FALSE, FALSE) == (bfd_size_type) -1) goto error_return; - long_section_names = true; + long_section_names = TRUE; } } - /* If doing a relocateable link, allocate space for the pointers we + /* If doing a relocatable link, allocate space for the pointers we need to keep. */ - if (info->relocateable) + if (bfd_link_relocatable (info)) { unsigned int i; /* We use section_count + 1, rather than section_count, because the target_index fields are 1 based. */ - finfo.section_info = - ((struct coff_link_section_info *) - bfd_malloc ((abfd->section_count + 1) - * sizeof (struct coff_link_section_info))); - if (finfo.section_info == NULL) + amt = abfd->section_count + 1; + amt *= sizeof (struct coff_link_section_info); + flaginfo.section_info = (struct coff_link_section_info *) bfd_malloc (amt); + if (flaginfo.section_info == NULL) goto error_return; for (i = 0; i <= abfd->section_count; i++) { - finfo.section_info[i].relocs = NULL; - finfo.section_info[i].rel_hashes = NULL; + flaginfo.section_info[i].relocs = NULL; + flaginfo.section_info[i].rel_hashes = NULL; } } @@ -815,18 +752,19 @@ _bfd_coff_final_link (abfd, info) Because of this problem, we also keep the relocs in memory until the end of the link. This wastes memory, - but only when doing a relocateable link, which is not the + but only when doing a relocatable link, which is not the common case. */ - BFD_ASSERT (info->relocateable); - finfo.section_info[o->target_index].relocs = - ((struct internal_reloc *) - bfd_malloc (o->reloc_count * sizeof (struct internal_reloc))); - finfo.section_info[o->target_index].rel_hashes = - ((struct coff_link_hash_entry **) - bfd_malloc (o->reloc_count - * sizeof (struct coff_link_hash_entry *))); - if (finfo.section_info[o->target_index].relocs == NULL - || finfo.section_info[o->target_index].rel_hashes == NULL) + BFD_ASSERT (bfd_link_relocatable (info)); + amt = o->reloc_count; + amt *= sizeof (struct internal_reloc); + flaginfo.section_info[o->target_index].relocs = + (struct internal_reloc *) bfd_malloc (amt); + amt = o->reloc_count; + amt *= sizeof (struct coff_link_hash_entry *); + flaginfo.section_info[o->target_index].rel_hashes = + (struct coff_link_hash_entry **) bfd_malloc (amt); + if (flaginfo.section_info[o->target_index].relocs == NULL + || flaginfo.section_info[o->target_index].rel_hashes == NULL) goto error_return; if (o->reloc_count > max_output_reloc_count) @@ -845,42 +783,43 @@ _bfd_coff_final_link (abfd, info) the opportunity to clear the output_has_begun fields of all the input BFD's. */ max_sym_count = 0; - for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) + for (sub = info->input_bfds; sub != NULL; sub = sub->link.next) { size_t sz; - sub->output_has_begun = false; - sz = obj_raw_syment_count (sub); + sub->output_has_begun = FALSE; + sz = bfd_family_coff (sub) ? obj_raw_syment_count (sub) : 2; if (sz > max_sym_count) max_sym_count = sz; } /* Allocate some buffers used while linking. */ - finfo.internal_syms = ((struct internal_syment *) - bfd_malloc (max_sym_count - * sizeof (struct internal_syment))); - finfo.sec_ptrs = (asection **) bfd_malloc (max_sym_count - * sizeof (asection *)); - finfo.sym_indices = (long *) bfd_malloc (max_sym_count * sizeof (long)); - finfo.outsyms = ((bfd_byte *) - bfd_malloc ((size_t) ((max_sym_count + 1) * symesz))); - finfo.linenos = (bfd_byte *) bfd_malloc (max_lineno_count - * bfd_coff_linesz (abfd)); - finfo.contents = (bfd_byte *) bfd_malloc (max_contents_size); - finfo.external_relocs = (bfd_byte *) bfd_malloc (max_reloc_count * relsz); - if (! info->relocateable) - finfo.internal_relocs = ((struct internal_reloc *) - bfd_malloc (max_reloc_count - * sizeof (struct internal_reloc))); - if ((finfo.internal_syms == NULL && max_sym_count > 0) - || (finfo.sec_ptrs == NULL && max_sym_count > 0) - || (finfo.sym_indices == NULL && max_sym_count > 0) - || finfo.outsyms == NULL - || (finfo.linenos == NULL && max_lineno_count > 0) - || (finfo.contents == NULL && max_contents_size > 0) - || (finfo.external_relocs == NULL && max_reloc_count > 0) - || (! info->relocateable - && finfo.internal_relocs == NULL + amt = max_sym_count * sizeof (struct internal_syment); + flaginfo.internal_syms = (struct internal_syment *) bfd_malloc (amt); + amt = max_sym_count * sizeof (asection *); + flaginfo.sec_ptrs = (asection **) bfd_malloc (amt); + amt = max_sym_count * sizeof (long); + flaginfo.sym_indices = (long int *) bfd_malloc (amt); + flaginfo.outsyms = (bfd_byte *) bfd_malloc ((max_sym_count + 1) * symesz); + amt = max_lineno_count * bfd_coff_linesz (abfd); + flaginfo.linenos = (bfd_byte *) bfd_malloc (amt); + flaginfo.contents = (bfd_byte *) bfd_malloc (max_contents_size); + amt = max_reloc_count * relsz; + flaginfo.external_relocs = (bfd_byte *) bfd_malloc (amt); + if (! bfd_link_relocatable (info)) + { + amt = max_reloc_count * sizeof (struct internal_reloc); + flaginfo.internal_relocs = (struct internal_reloc *) bfd_malloc (amt); + } + if ((flaginfo.internal_syms == NULL && max_sym_count > 0) + || (flaginfo.sec_ptrs == NULL && max_sym_count > 0) + || (flaginfo.sym_indices == NULL && max_sym_count > 0) + || flaginfo.outsyms == NULL + || (flaginfo.linenos == NULL && max_lineno_count > 0) + || (flaginfo.contents == NULL && max_contents_size > 0) + || (flaginfo.external_relocs == NULL && max_reloc_count > 0) + || (! bfd_link_relocatable (info) + && flaginfo.internal_relocs == NULL && max_reloc_count > 0)) goto error_return; @@ -899,23 +838,23 @@ _bfd_coff_final_link (abfd, info) for (o = abfd->sections; o != NULL; o = o->next) { - for (p = o->link_order_head; p != NULL; p = p->next) + for (p = o->map_head.link_order; p != NULL; p = p->next) { if (p->type == bfd_indirect_link_order && bfd_family_coff (p->u.indirect.section->owner)) { sub = p->u.indirect.section->owner; - if (! bfd_coff_link_output_has_begun (sub, & finfo)) + if (! bfd_coff_link_output_has_begun (sub, & flaginfo)) { - if (! _bfd_coff_link_input_bfd (&finfo, sub)) + if (! _bfd_coff_link_input_bfd (&flaginfo, sub)) goto error_return; - sub->output_has_begun = true; + sub->output_has_begun = TRUE; } } else if (p->type == bfd_section_reloc_link_order || p->type == bfd_symbol_reloc_link_order) { - if (! _bfd_coff_reloc_link_order (abfd, &finfo, o, p)) + if (! _bfd_coff_reloc_link_order (abfd, &flaginfo, o, p)) goto error_return; } else @@ -926,65 +865,182 @@ _bfd_coff_final_link (abfd, info) } } - if (! bfd_coff_final_link_postscript (abfd, & finfo)) + if (flaginfo.info->strip != strip_all && flaginfo.info->discard != discard_all) + { + /* Add local symbols from foreign inputs. */ + for (sub = info->input_bfds; sub != NULL; sub = sub->link.next) + { + unsigned int i; + + if (bfd_family_coff (sub) || ! bfd_get_outsymbols (sub)) + continue; + for (i = 0; i < bfd_get_symcount (sub); ++i) + { + asymbol *sym = bfd_get_outsymbols (sub) [i]; + file_ptr pos; + struct internal_syment isym; + union internal_auxent iaux; + bfd_size_type string_size = 0, indx; + bfd_vma written = 0; + bfd_boolean rewrite = FALSE, hash; + + if (! (sym->flags & BSF_LOCAL) + || (sym->flags & (BSF_SECTION_SYM | BSF_DEBUGGING_RELOC + | BSF_THREAD_LOCAL | BSF_RELC | BSF_SRELC + | BSF_SYNTHETIC)) + || ((sym->flags & BSF_DEBUGGING) + && ! (sym->flags & BSF_FILE))) + continue; + + /* See if we are discarding symbols with this name. */ + if ((flaginfo.info->strip == strip_some + && (bfd_hash_lookup (flaginfo.info->keep_hash, + bfd_asymbol_name(sym), FALSE, FALSE) + == NULL)) + || (((flaginfo.info->discard == discard_sec_merge + && (bfd_get_section (sym)->flags & SEC_MERGE) + && ! bfd_link_relocatable (flaginfo.info)) + || flaginfo.info->discard == discard_l) + && bfd_is_local_label_name (sub, bfd_asymbol_name(sym)))) + continue; + + pos = obj_sym_filepos (abfd) + obj_raw_syment_count (abfd) + * symesz; + if (bfd_seek (abfd, pos, SEEK_SET) != 0) + goto error_return; + if (! coff_write_alien_symbol(abfd, sym, &isym, &iaux, &written, + &string_size, NULL, NULL)) + goto error_return; + + hash = !flaginfo.info->traditional_format; + + if (string_size >= 6 && isym.n_sclass == C_FILE + && ! isym._n._n_n._n_zeroes && isym.n_numaux) + { + indx = _bfd_stringtab_add (flaginfo.strtab, ".file", hash, + FALSE); + if (indx == (bfd_size_type) -1) + goto error_return; + isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx; + bfd_coff_swap_sym_out (abfd, &isym, flaginfo.outsyms); + if (bfd_seek (abfd, pos, SEEK_SET) != 0 + || bfd_bwrite (flaginfo.outsyms, symesz, + abfd) != symesz) + goto error_return; + string_size -= 6; + } + + if (string_size) + { + indx = _bfd_stringtab_add (flaginfo.strtab, + bfd_asymbol_name (sym), hash, + FALSE); + if (indx == (bfd_size_type) -1) + goto error_return; + if (isym.n_sclass != C_FILE) + { + isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx; + bfd_coff_swap_sym_out (abfd, &isym, flaginfo.outsyms); + rewrite = TRUE; + } + else + { + BFD_ASSERT (isym.n_numaux == 1); + iaux.x_file.x_n.x_offset = STRING_SIZE_SIZE + indx; + bfd_coff_swap_aux_out (abfd, &iaux, isym.n_type, C_FILE, + 0, 1, flaginfo.outsyms + symesz); + if (bfd_seek (abfd, pos + symesz, SEEK_SET) != 0 + || bfd_bwrite (flaginfo.outsyms + symesz, symesz, + abfd) != symesz) + goto error_return; + } + } + + if (isym.n_sclass == C_FILE) + { + if (flaginfo.last_file_index != -1) + { + flaginfo.last_file.n_value = obj_raw_syment_count (abfd); + bfd_coff_swap_sym_out (abfd, &flaginfo.last_file, + flaginfo.outsyms); + pos = obj_sym_filepos (abfd) + flaginfo.last_file_index + * symesz; + rewrite = TRUE; + } + flaginfo.last_file_index = obj_raw_syment_count (abfd); + flaginfo.last_file = isym; + } + + if (rewrite + && (bfd_seek (abfd, pos, SEEK_SET) != 0 + || bfd_bwrite (flaginfo.outsyms, symesz, abfd) != symesz)) + goto error_return; + + obj_raw_syment_count (abfd) += written; + } + } + } + + if (! bfd_coff_final_link_postscript (abfd, & flaginfo)) goto error_return; /* Free up the buffers used by _bfd_coff_link_input_bfd. */ - coff_debug_merge_hash_table_free (&finfo.debug_merge); - debug_merge_allocated = false; + coff_debug_merge_hash_table_free (&flaginfo.debug_merge); + debug_merge_allocated = FALSE; - if (finfo.internal_syms != NULL) + if (flaginfo.internal_syms != NULL) { - free (finfo.internal_syms); - finfo.internal_syms = NULL; + free (flaginfo.internal_syms); + flaginfo.internal_syms = NULL; } - if (finfo.sec_ptrs != NULL) + if (flaginfo.sec_ptrs != NULL) { - free (finfo.sec_ptrs); - finfo.sec_ptrs = NULL; + free (flaginfo.sec_ptrs); + flaginfo.sec_ptrs = NULL; } - if (finfo.sym_indices != NULL) + if (flaginfo.sym_indices != NULL) { - free (finfo.sym_indices); - finfo.sym_indices = NULL; + free (flaginfo.sym_indices); + flaginfo.sym_indices = NULL; } - if (finfo.linenos != NULL) + if (flaginfo.linenos != NULL) { - free (finfo.linenos); - finfo.linenos = NULL; + free (flaginfo.linenos); + flaginfo.linenos = NULL; } - if (finfo.contents != NULL) + if (flaginfo.contents != NULL) { - free (finfo.contents); - finfo.contents = NULL; + free (flaginfo.contents); + flaginfo.contents = NULL; } - if (finfo.external_relocs != NULL) + if (flaginfo.external_relocs != NULL) { - free (finfo.external_relocs); - finfo.external_relocs = NULL; + free (flaginfo.external_relocs); + flaginfo.external_relocs = NULL; } - if (finfo.internal_relocs != NULL) + if (flaginfo.internal_relocs != NULL) { - free (finfo.internal_relocs); - finfo.internal_relocs = NULL; + free (flaginfo.internal_relocs); + flaginfo.internal_relocs = NULL; } /* The value of the last C_FILE symbol is supposed to be the symbol index of the first external symbol. Write it out again if necessary. */ - if (finfo.last_file_index != -1 - && (unsigned int) finfo.last_file.n_value != obj_raw_syment_count (abfd)) + if (flaginfo.last_file_index != -1 + && (unsigned int) flaginfo.last_file.n_value != obj_raw_syment_count (abfd)) { - finfo.last_file.n_value = obj_raw_syment_count (abfd); - bfd_coff_swap_sym_out (abfd, (PTR) &finfo.last_file, - (PTR) finfo.outsyms); - if (bfd_seek (abfd, - (obj_sym_filepos (abfd) - + finfo.last_file_index * symesz), - SEEK_SET) != 0 - || bfd_write (finfo.outsyms, symesz, 1, abfd) != symesz) - return false; + file_ptr pos; + + flaginfo.last_file.n_value = obj_raw_syment_count (abfd); + bfd_coff_swap_sym_out (abfd, &flaginfo.last_file, + flaginfo.outsyms); + + pos = obj_sym_filepos (abfd) + flaginfo.last_file_index * symesz; + if (bfd_seek (abfd, pos, SEEK_SET) != 0 + || bfd_bwrite (flaginfo.outsyms, symesz, abfd) != symesz) + return FALSE; } /* If doing task linking (ld --task-link) then make a pass through the @@ -992,34 +1048,33 @@ _bfd_coff_final_link (abfd, info) static. */ if (info->task_link) { - finfo.failed = false; - coff_link_hash_traverse (coff_hash_table (info), _bfd_coff_write_task_globals, - (PTR) &finfo); - if (finfo.failed) + flaginfo.failed = FALSE; + coff_link_hash_traverse (coff_hash_table (info), + _bfd_coff_write_task_globals, &flaginfo); + if (flaginfo.failed) goto error_return; } /* Write out the global symbols. */ - finfo.failed = false; - coff_link_hash_traverse (coff_hash_table (info), _bfd_coff_write_global_sym, - (PTR) &finfo); - if (finfo.failed) + flaginfo.failed = FALSE; + bfd_hash_traverse (&info->hash->table, _bfd_coff_write_global_sym, &flaginfo); + if (flaginfo.failed) goto error_return; /* The outsyms buffer is used by _bfd_coff_write_global_sym. */ - if (finfo.outsyms != NULL) + if (flaginfo.outsyms != NULL) { - free (finfo.outsyms); - finfo.outsyms = NULL; + free (flaginfo.outsyms); + flaginfo.outsyms = NULL; } - if (info->relocateable && max_output_reloc_count > 0) + if (bfd_link_relocatable (info) && max_output_reloc_count > 0) { /* Now that we have written out all the global symbols, we know the symbol indices to use for relocs against them, and we can finally write out the relocs. */ - external_relocs = ((bfd_byte *) - bfd_malloc (max_output_reloc_count * relsz)); + amt = max_output_reloc_count * relsz; + external_relocs = (bfd_byte *) bfd_malloc (amt); if (external_relocs == NULL) goto error_return; @@ -1033,9 +1088,9 @@ _bfd_coff_final_link (abfd, info) if (o->reloc_count == 0) continue; - irel = finfo.section_info[o->target_index].relocs; + irel = flaginfo.section_info[o->target_index].relocs; irelend = irel + o->reloc_count; - rel_hash = finfo.section_info[o->target_index].rel_hashes; + rel_hash = flaginfo.section_info[o->target_index].rel_hashes; erel = external_relocs; for (; irel < irelend; irel++, rel_hash++, erel += relsz) { @@ -1044,12 +1099,30 @@ _bfd_coff_final_link (abfd, info) BFD_ASSERT ((*rel_hash)->indx >= 0); irel->r_symndx = (*rel_hash)->indx; } - bfd_coff_swap_reloc_out (abfd, (PTR) irel, (PTR) erel); + bfd_coff_swap_reloc_out (abfd, irel, erel); } - if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0 - || bfd_write ((PTR) external_relocs, relsz, o->reloc_count, - abfd) != relsz * o->reloc_count) + if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0) + goto error_return; + if (obj_pe (abfd) && o->reloc_count >= 0xffff) + { + /* In PE COFF, write the count of relocs as the first + reloc. The header overflow bit will be set + elsewhere. */ + struct internal_reloc incount; + bfd_byte *excount = (bfd_byte *)bfd_malloc (relsz); + + memset (&incount, 0, sizeof (incount)); + incount.r_vaddr = o->reloc_count + 1; + bfd_coff_swap_reloc_out (abfd, &incount, excount); + if (bfd_bwrite (excount, relsz, abfd) != relsz) + /* We'll leak, but it's an error anyway. */ + goto error_return; + free (excount); + } + if (bfd_bwrite (external_relocs, + (bfd_size_type) relsz * o->reloc_count, abfd) + != (bfd_size_type) relsz * o->reloc_count) goto error_return; } @@ -1058,132 +1131,130 @@ _bfd_coff_final_link (abfd, info) } /* Free up the section information. */ - if (finfo.section_info != NULL) + if (flaginfo.section_info != NULL) { unsigned int i; for (i = 0; i < abfd->section_count; i++) { - if (finfo.section_info[i].relocs != NULL) - free (finfo.section_info[i].relocs); - if (finfo.section_info[i].rel_hashes != NULL) - free (finfo.section_info[i].rel_hashes); + if (flaginfo.section_info[i].relocs != NULL) + free (flaginfo.section_info[i].relocs); + if (flaginfo.section_info[i].rel_hashes != NULL) + free (flaginfo.section_info[i].rel_hashes); } - free (finfo.section_info); - finfo.section_info = NULL; + free (flaginfo.section_info); + flaginfo.section_info = NULL; } /* If we have optimized stabs strings, output them. */ - if (coff_hash_table (info)->stab_info != NULL) + if (coff_hash_table (info)->stab_info.stabstr != NULL) { if (! _bfd_write_stab_strings (abfd, &coff_hash_table (info)->stab_info)) - return false; + return FALSE; } /* Write out the string table. */ if (obj_raw_syment_count (abfd) != 0 || long_section_names) { - if (bfd_seek (abfd, - (obj_sym_filepos (abfd) - + obj_raw_syment_count (abfd) * symesz), - SEEK_SET) != 0) - return false; + file_ptr pos; + + pos = obj_sym_filepos (abfd) + obj_raw_syment_count (abfd) * symesz; + if (bfd_seek (abfd, pos, SEEK_SET) != 0) + return FALSE; #if STRING_SIZE_SIZE == 4 - bfd_h_put_32 (abfd, - _bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE, - (bfd_byte *) strbuf); + H_PUT_32 (abfd, + _bfd_stringtab_size (flaginfo.strtab) + STRING_SIZE_SIZE, + strbuf); #else - #error Change bfd_h_put_32 + #error Change H_PUT_32 above #endif - if (bfd_write (strbuf, 1, STRING_SIZE_SIZE, abfd) != STRING_SIZE_SIZE) - return false; + if (bfd_bwrite (strbuf, (bfd_size_type) STRING_SIZE_SIZE, abfd) + != STRING_SIZE_SIZE) + return FALSE; - if (! _bfd_stringtab_emit (abfd, finfo.strtab)) - return false; + if (! _bfd_stringtab_emit (abfd, flaginfo.strtab)) + return FALSE; - obj_coff_strings_written (abfd) = true; + obj_coff_strings_written (abfd) = TRUE; } - _bfd_stringtab_free (finfo.strtab); + _bfd_stringtab_free (flaginfo.strtab); /* Setting bfd_get_symcount to 0 will cause write_object_contents to not try to write out the symbols. */ bfd_get_symcount (abfd) = 0; - return true; + return TRUE; error_return: if (debug_merge_allocated) - coff_debug_merge_hash_table_free (&finfo.debug_merge); - if (finfo.strtab != NULL) - _bfd_stringtab_free (finfo.strtab); - if (finfo.section_info != NULL) + coff_debug_merge_hash_table_free (&flaginfo.debug_merge); + if (flaginfo.strtab != NULL) + _bfd_stringtab_free (flaginfo.strtab); + if (flaginfo.section_info != NULL) { unsigned int i; for (i = 0; i < abfd->section_count; i++) { - if (finfo.section_info[i].relocs != NULL) - free (finfo.section_info[i].relocs); - if (finfo.section_info[i].rel_hashes != NULL) - free (finfo.section_info[i].rel_hashes); + if (flaginfo.section_info[i].relocs != NULL) + free (flaginfo.section_info[i].relocs); + if (flaginfo.section_info[i].rel_hashes != NULL) + free (flaginfo.section_info[i].rel_hashes); } - free (finfo.section_info); + free (flaginfo.section_info); } - if (finfo.internal_syms != NULL) - free (finfo.internal_syms); - if (finfo.sec_ptrs != NULL) - free (finfo.sec_ptrs); - if (finfo.sym_indices != NULL) - free (finfo.sym_indices); - if (finfo.outsyms != NULL) - free (finfo.outsyms); - if (finfo.linenos != NULL) - free (finfo.linenos); - if (finfo.contents != NULL) - free (finfo.contents); - if (finfo.external_relocs != NULL) - free (finfo.external_relocs); - if (finfo.internal_relocs != NULL) - free (finfo.internal_relocs); + if (flaginfo.internal_syms != NULL) + free (flaginfo.internal_syms); + if (flaginfo.sec_ptrs != NULL) + free (flaginfo.sec_ptrs); + if (flaginfo.sym_indices != NULL) + free (flaginfo.sym_indices); + if (flaginfo.outsyms != NULL) + free (flaginfo.outsyms); + if (flaginfo.linenos != NULL) + free (flaginfo.linenos); + if (flaginfo.contents != NULL) + free (flaginfo.contents); + if (flaginfo.external_relocs != NULL) + free (flaginfo.external_relocs); + if (flaginfo.internal_relocs != NULL) + free (flaginfo.internal_relocs); if (external_relocs != NULL) free (external_relocs); - return false; + return FALSE; } -/* parse out a -heap , line */ +/* Parse out a -heap , line. */ static char * -dores_com (ptr, output_bfd, heap) - char *ptr; - bfd *output_bfd; - int heap; +dores_com (char *ptr, bfd *output_bfd, int heap) { if (coff_data(output_bfd)->pe) { int val = strtoul (ptr, &ptr, 0); + if (heap) - pe_data(output_bfd)->pe_opthdr.SizeOfHeapReserve =val; + pe_data(output_bfd)->pe_opthdr.SizeOfHeapReserve = val; else - pe_data(output_bfd)->pe_opthdr.SizeOfStackReserve =val; + pe_data(output_bfd)->pe_opthdr.SizeOfStackReserve = val; if (ptr[0] == ',') { - int val = strtoul (ptr+1, &ptr, 0); + val = strtoul (ptr+1, &ptr, 0); if (heap) - pe_data(output_bfd)->pe_opthdr.SizeOfHeapCommit =val; + pe_data(output_bfd)->pe_opthdr.SizeOfHeapCommit = val; else - pe_data(output_bfd)->pe_opthdr.SizeOfStackCommit =val; + pe_data(output_bfd)->pe_opthdr.SizeOfStackCommit = val; } } return ptr; } -static char *get_name(ptr, dst) -char *ptr; -char **dst; +static char * +get_name (char *ptr, char **dst) { while (*ptr == ' ') ptr++; @@ -1194,85 +1265,91 @@ char **dst; return ptr+1; } -/* Process any magic embedded commands in a section called .drectve */ +/* Process any magic embedded commands in a section called .drectve. */ static int -process_embedded_commands (output_bfd, info, abfd) - bfd *output_bfd; - struct bfd_link_info *info ATTRIBUTE_UNUSED; - bfd *abfd; +process_embedded_commands (bfd *output_bfd, + struct bfd_link_info *info ATTRIBUTE_UNUSED, + bfd *abfd) { asection *sec = bfd_get_section_by_name (abfd, ".drectve"); char *s; char *e; - char *copy; + bfd_byte *copy; + if (!sec) return 1; - copy = bfd_malloc ((size_t) sec->_raw_size); - if (!copy) - return 0; - if (! bfd_get_section_contents(abfd, sec, copy, 0, sec->_raw_size)) + if (!bfd_malloc_and_get_section (abfd, sec, ©)) { - free (copy); + if (copy != NULL) + free (copy); return 0; } - e = copy + sec->_raw_size; - for (s = copy; s < e ; ) + e = (char *) copy + sec->size; + + for (s = (char *) copy; s < e ; ) { - if (s[0]!= '-') { - s++; - continue; - } - if (strncmp (s,"-attr", 5) == 0) + if (s[0] != '-') + { + s++; + continue; + } + if (CONST_STRNEQ (s, "-attr")) { char *name; char *attribs; asection *asec; - int loop = 1; int had_write = 0; - int had_read = 0; int had_exec= 0; - int had_shared= 0; + s += 5; - s = get_name(s, &name); - s = get_name(s, &attribs); - while (loop) { - switch (*attribs++) - { - case 'W': - had_write = 1; - break; - case 'R': - had_read = 1; - break; - case 'S': - had_shared = 1; - break; - case 'X': - had_exec = 1; - break; - default: - loop = 0; - } - } + s = get_name (s, &name); + s = get_name (s, &attribs); + + while (loop) + { + switch (*attribs++) + { + case 'W': + had_write = 1; + break; + case 'R': + break; + case 'S': + break; + case 'X': + had_exec = 1; + break; + default: + loop = 0; + } + } asec = bfd_get_section_by_name (abfd, name); - if (asec) { - if (had_exec) - asec->flags |= SEC_CODE; - if (!had_write) - asec->flags |= SEC_READONLY; - } - } - else if (strncmp (s,"-heap", 5) == 0) - { - s = dores_com (s+5, output_bfd, 1); + if (asec) + { + if (had_exec) + asec->flags |= SEC_CODE; + if (!had_write) + asec->flags |= SEC_READONLY; + } } - else if (strncmp (s,"-stack", 6) == 0) + else if (CONST_STRNEQ (s, "-heap")) + s = dores_com (s + 5, output_bfd, 1); + + else if (CONST_STRNEQ (s, "-stack")) + s = dores_com (s + 6, output_bfd, 0); + + /* GNU extension for aligned commons. */ + else if (CONST_STRNEQ (s, "-aligncomm:")) { - s = dores_com (s+6, output_bfd, 0); + /* Common symbols must be aligned on reading, as it + is too late to do anything here, after they have + already been allocated, so just skip the directive. */ + s += 11; } + else s++; } @@ -1283,13 +1360,10 @@ process_embedded_commands (output_bfd, info, abfd) /* Place a marker against all symbols which are used by relocations. This marker can be picked up by the 'do we skip this symbol ?' loop in _bfd_coff_link_input_bfd() and used to prevent skipping - that symbol. - */ + that symbol. */ static void -mark_relocs (finfo, input_bfd) - struct coff_final_link_info * finfo; - bfd * input_bfd; +mark_relocs (struct coff_final_link_info *flaginfo, bfd *input_bfd) { asection * a; @@ -1302,17 +1376,21 @@ mark_relocs (finfo, input_bfd) struct internal_reloc * irel; struct internal_reloc * irelend; - if ((a->flags & SEC_RELOC) == 0 || a->reloc_count < 1) + if ((a->flags & SEC_RELOC) == 0 || a->reloc_count < 1 + || a->linker_mark == 0) + continue; + /* Don't mark relocs in excluded sections. */ + if (a->output_section == bfd_abs_section_ptr) continue; /* Read in the relocs. */ internal_relocs = _bfd_coff_read_internal_relocs - (input_bfd, a, false, - finfo->external_relocs, - finfo->info->relocateable, - (finfo->info->relocateable - ? (finfo->section_info[ a->output_section->target_index ].relocs + a->output_section->reloc_count) - : finfo->internal_relocs) + (input_bfd, a, FALSE, + flaginfo->external_relocs, + bfd_link_relocatable (flaginfo->info), + (bfd_link_relocatable (flaginfo->info) + ? (flaginfo->section_info[ a->output_section->target_index ].relocs + a->output_section->reloc_count) + : flaginfo->internal_relocs) ); if (internal_relocs == NULL) @@ -1324,35 +1402,28 @@ mark_relocs (finfo, input_bfd) /* Place a mark in the sym_indices array (whose entries have been initialised to 0) for all of the symbols that are used in the relocation table. This will then be picked up in the - skip/don't pass */ - + skip/don't-skip pass. */ for (; irel < irelend; irel++) - { - finfo->sym_indices[ irel->r_symndx ] = -1; - } + if ((unsigned long) irel->r_symndx < obj_raw_syment_count (input_bfd)) + flaginfo->sym_indices[irel->r_symndx] = -1; } } /* Link an input file into the linker output file. This function handles all the sections and relocations of the input file at once. */ -boolean -_bfd_coff_link_input_bfd (finfo, input_bfd) - struct coff_final_link_info *finfo; - bfd *input_bfd; +bfd_boolean +_bfd_coff_link_input_bfd (struct coff_final_link_info *flaginfo, bfd *input_bfd) { unsigned int n_tmask = coff_data (input_bfd)->local_n_tmask; unsigned int n_btshft = coff_data (input_bfd)->local_n_btshft; -#if 0 - unsigned int n_btmask = coff_data (input_bfd)->local_n_btmask; -#endif - boolean (*adjust_symndx) PARAMS ((bfd *, struct bfd_link_info *, bfd *, - asection *, struct internal_reloc *, - boolean *)); + bfd_boolean (*adjust_symndx) + (bfd *, struct bfd_link_info *, bfd *, asection *, + struct internal_reloc *, bfd_boolean *); bfd *output_bfd; const char *strings; bfd_size_type syment_base; - boolean copy, hash; + bfd_boolean copy, hash; bfd_size_type isymesz; bfd_size_type osymesz; bfd_size_type linesz; @@ -1368,7 +1439,7 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) /* Move all the symbols to the output file. */ - output_bfd = finfo->output_bfd; + output_bfd = flaginfo->output_bfd; strings = NULL; syment_base = obj_raw_syment_count (output_bfd); isymesz = bfd_coff_symesz (input_bfd); @@ -1376,53 +1447,51 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) linesz = bfd_coff_linesz (input_bfd); BFD_ASSERT (linesz == bfd_coff_linesz (output_bfd)); - copy = false; - if (! finfo->info->keep_memory) - copy = true; - hash = true; - if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0) - hash = false; + copy = FALSE; + if (! flaginfo->info->keep_memory) + copy = TRUE; + hash = TRUE; + if (flaginfo->info->traditional_format) + hash = FALSE; if (! _bfd_coff_get_external_symbols (input_bfd)) - return false; + return FALSE; esym = (bfd_byte *) obj_coff_external_syms (input_bfd); esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz; - isymp = finfo->internal_syms; - secpp = finfo->sec_ptrs; - indexp = finfo->sym_indices; + isymp = flaginfo->internal_syms; + secpp = flaginfo->sec_ptrs; + indexp = flaginfo->sym_indices; output_index = syment_base; - outsym = finfo->outsyms; - - if (coff_data (output_bfd)->pe) + outsym = flaginfo->outsyms; + + if (coff_data (output_bfd)->pe + && ! process_embedded_commands (output_bfd, flaginfo->info, input_bfd)) + return FALSE; + + /* If we are going to perform relocations and also strip/discard some + symbols then we must make sure that we do not strip/discard those + symbols that are going to be involved in the relocations. */ + if (( flaginfo->info->strip != strip_none + || flaginfo->info->discard != discard_none) + && bfd_link_relocatable (flaginfo->info)) { - if (! process_embedded_commands (output_bfd, finfo->info, input_bfd)) - return false; - } - - /* If we are going to perform relocations and also strip/discard some symbols - then we must make sure that we do not strip/discard those symbols that are - going to be involved in the relocations */ - if (( finfo->info->strip != strip_none - || finfo->info->discard != discard_none) - && finfo->info->relocateable) - { - /* mark the symbol array as 'not-used' */ + /* Mark the symbol array as 'not-used'. */ memset (indexp, 0, obj_raw_syment_count (input_bfd) * sizeof * indexp); - mark_relocs (finfo, input_bfd); + mark_relocs (flaginfo, input_bfd); } while (esym < esym_end) { struct internal_syment isym; enum coff_symbol_classification classification; - boolean skip; - boolean global; - boolean dont_skip_symbol; + bfd_boolean skip; + bfd_boolean global; + bfd_boolean dont_skip_symbol; int add; - bfd_coff_swap_sym_in (input_bfd, (PTR) esym, (PTR) isymp); + bfd_coff_swap_sym_in (input_bfd, esym, isymp); /* Make a copy of *isymp so that the relocate_section function always sees the original values. This is more reliable than @@ -1450,22 +1519,22 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) /* Extract the flag indicating if this symbol is used by a relocation. */ - if ((finfo->info->strip != strip_none - || finfo->info->discard != discard_none) - && finfo->info->relocateable) + if ((flaginfo->info->strip != strip_none + || flaginfo->info->discard != discard_none) + && bfd_link_relocatable (flaginfo->info)) dont_skip_symbol = *indexp; else - dont_skip_symbol = false; + dont_skip_symbol = FALSE; *indexp = -1; - skip = false; - global = false; + skip = FALSE; + global = FALSE; add = 1 + isym.n_numaux; /* If we are stripping all symbols, we want to skip this one. */ - if (finfo->info->strip == strip_all && ! dont_skip_symbol) - skip = true; + if (flaginfo->info->strip == strip_all && ! dont_skip_symbol) + skip = TRUE; if (! skip) { @@ -1480,32 +1549,46 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) end of the symbol table, so skip them for now. Locally defined function symbols, however, are an exception, and are not moved to the end. */ - global = true; + global = TRUE; if (! ISFCN (isym.n_type)) - skip = true; + skip = TRUE; break; case COFF_SYMBOL_UNDEFINED: /* Undefined symbols are left for the end. */ - global = true; - skip = true; + global = TRUE; + skip = TRUE; break; case COFF_SYMBOL_LOCAL: /* This is a local symbol. Skip it if we are discarding local symbols. */ - if (finfo->info->discard == discard_all && ! dont_skip_symbol) - skip = true; + if (flaginfo->info->discard == discard_all && ! dont_skip_symbol) + skip = TRUE; break; } } +#ifndef COFF_WITH_PE + /* Skip section symbols for sections which are not going to be + emitted. */ + if (!skip + && !dont_skip_symbol + && isym.n_sclass == C_STAT + && isym.n_type == T_NULL + && isym.n_numaux > 0 + && ((*secpp)->output_section == bfd_abs_section_ptr + || bfd_section_removed_from_list (output_bfd, + (*secpp)->output_section))) + skip = TRUE; +#endif + /* If we stripping debugging symbols, and this is a debugging symbol, then skip it. FIXME: gas sets the section to N_ABS for some types of debugging symbols; I don't know if this is a bug or not. In any case, we handle it here. */ if (! skip - && finfo->info->strip == strip_debugger + && flaginfo->info->strip == strip_debugger && ! dont_skip_symbol && (isym.n_scnum == N_DEBUG || (isym.n_scnum == N_ABS @@ -1518,35 +1601,35 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) || isym.n_sclass == C_REGPARM || isym.n_sclass == C_FIELD || isym.n_sclass == C_EOS)))) - skip = true; + skip = TRUE; /* If some symbols are stripped based on the name, work out the name and decide whether to skip this symbol. */ if (! skip - && (finfo->info->strip == strip_some - || finfo->info->discard == discard_l)) + && (flaginfo->info->strip == strip_some + || flaginfo->info->discard == discard_l)) { const char *name; char buf[SYMNMLEN + 1]; name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf); if (name == NULL) - return false; + return FALSE; if (! dont_skip_symbol - && ((finfo->info->strip == strip_some - && (bfd_hash_lookup (finfo->info->keep_hash, name, false, - false) == NULL)) + && ((flaginfo->info->strip == strip_some + && (bfd_hash_lookup (flaginfo->info->keep_hash, name, FALSE, + FALSE) == NULL)) || (! global - && finfo->info->discard == discard_l + && flaginfo->info->discard == discard_l && bfd_is_local_label_name (input_bfd, name)))) - skip = true; + skip = TRUE; } /* If this is an enum, struct, or union tag, see if we have already output an identical type. */ if (! skip - && (finfo->output_bfd->flags & BFD_TRADITIONAL_FORMAT) == 0 + && !flaginfo->info->traditional_format && (isym.n_sclass == C_ENTAG || isym.n_sclass == C_STRTAG || isym.n_sclass == C_UNTAG) @@ -1560,10 +1643,11 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) struct coff_debug_merge_element **epp; bfd_byte *esl, *eslend; struct internal_syment *islp; + bfd_size_type amt; name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf); if (name == NULL) - return false; + return FALSE; /* Ignore fake names invented by compiler; treat them all as the same name. */ @@ -1572,26 +1656,25 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) && (name[1] == '~' || name[1] == '.' || name[1] == '$'))) name = ""; - mh = coff_debug_merge_hash_lookup (&finfo->debug_merge, name, - true, true); + mh = coff_debug_merge_hash_lookup (&flaginfo->debug_merge, name, + TRUE, TRUE); if (mh == NULL) - return false; + return FALSE; /* Allocate memory to hold type information. If this turns out to be a duplicate, we pass this address to bfd_release. */ - mt = ((struct coff_debug_merge_type *) - bfd_alloc (input_bfd, - sizeof (struct coff_debug_merge_type))); + amt = sizeof (struct coff_debug_merge_type); + mt = (struct coff_debug_merge_type *) bfd_alloc (input_bfd, amt); if (mt == NULL) - return false; - mt->class = isym.n_sclass; + return FALSE; + mt->type_class = isym.n_sclass; /* Pick up the aux entry, which points to the end of the tag entries. */ - bfd_coff_swap_aux_in (input_bfd, (PTR) (esym + isymesz), + bfd_coff_swap_aux_in (input_bfd, (esym + isymesz), isym.n_type, isym.n_sclass, 0, isym.n_numaux, - (PTR) &aux); + &aux); /* Gather the elements. */ epp = &mt->elements; @@ -1606,23 +1689,23 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) char elebuf[SYMNMLEN + 1]; char *name_copy; - bfd_coff_swap_sym_in (input_bfd, (PTR) esl, (PTR) islp); + bfd_coff_swap_sym_in (input_bfd, esl, islp); - *epp = ((struct coff_debug_merge_element *) - bfd_alloc (input_bfd, - sizeof (struct coff_debug_merge_element))); + amt = sizeof (struct coff_debug_merge_element); + *epp = (struct coff_debug_merge_element *) + bfd_alloc (input_bfd, amt); if (*epp == NULL) - return false; + return FALSE; elename = _bfd_coff_internal_syment_name (input_bfd, islp, elebuf); if (elename == NULL) - return false; + return FALSE; - name_copy = (char *) bfd_alloc (input_bfd, - strlen (elename) + 1); + amt = strlen (elename) + 1; + name_copy = (char *) bfd_alloc (input_bfd, amt); if (name_copy == NULL) - return false; + return FALSE; strcpy (name_copy, elename); (*epp)->name = name_copy; @@ -1635,23 +1718,22 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) union internal_auxent eleaux; long indx; - bfd_coff_swap_aux_in (input_bfd, (PTR) (esl + isymesz), + bfd_coff_swap_aux_in (input_bfd, (esl + isymesz), islp->n_type, islp->n_sclass, 0, - islp->n_numaux, (PTR) &eleaux); + islp->n_numaux, &eleaux); indx = eleaux.x_sym.x_tagndx.l; /* FIXME: If this tagndx entry refers to a symbol defined later in this file, we just ignore it. Handling this correctly would be tedious, and may not be required. */ - if (indx > 0 && (indx < ((esym - (bfd_byte *) obj_coff_external_syms (input_bfd)) / (long) isymesz))) { - (*epp)->tagndx = finfo->sym_indices[indx]; + (*epp)->tagndx = flaginfo->sym_indices[indx]; if ((*epp)->tagndx < 0) (*epp)->tagndx = 0; } @@ -1667,7 +1749,7 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) type. We always output the type if it has no elements, for simplicity. */ if (mt->elements == NULL) - bfd_release (input_bfd, (PTR) mt); + bfd_release (input_bfd, mt); else { struct coff_debug_merge_type *mtl; @@ -1676,7 +1758,7 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) { struct coff_debug_merge_element *me, *mel; - if (mtl->class != mt->class) + if (mtl->type_class != mt->type_class) continue; for (me = mt->elements, mel = mtl->elements; @@ -1703,10 +1785,10 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) else { /* This is a redefinition which can be merged. */ - bfd_release (input_bfd, (PTR) mt); + bfd_release (input_bfd, mt); *indexp = mtl->indx; add = (eslend - esym) / isymesz; - skip = true; + skip = TRUE; } } } @@ -1727,13 +1809,12 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) bfd_coff_symname_in_debug. That is only true for XCOFF, and XCOFF requires different linking code anyhow. */ - name = _bfd_coff_internal_syment_name (input_bfd, &isym, - (char *) NULL); + name = _bfd_coff_internal_syment_name (input_bfd, &isym, NULL); if (name == NULL) - return false; - indx = _bfd_stringtab_add (finfo->strtab, name, hash, copy); + return FALSE; + indx = _bfd_stringtab_add (flaginfo->strtab, name, hash, copy); if (indx == (bfd_size_type) -1) - return false; + return FALSE; isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx; } @@ -1786,7 +1867,7 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) isym.n_value += (*secpp)->output_offset; if (! obj_pe (input_bfd)) isym.n_value -= (*secpp)->vma; - if (! obj_pe (finfo->output_bfd)) + if (! obj_pe (flaginfo->output_bfd)) isym.n_value += (*secpp)->output_section->vma; } break; @@ -1801,54 +1882,51 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) it). We try to get this right, below, just before we write the symbols out, but in the general case we may have to write the symbol out twice. */ - - if (finfo->last_file_index != -1 - && finfo->last_file.n_value != (long) output_index) + if (flaginfo->last_file_index != -1 + && flaginfo->last_file.n_value != (bfd_vma) output_index) { /* We must correct the value of the last C_FILE entry. */ - finfo->last_file.n_value = output_index; - if ((bfd_size_type) finfo->last_file_index >= syment_base) + flaginfo->last_file.n_value = output_index; + if ((bfd_size_type) flaginfo->last_file_index >= syment_base) { /* The last C_FILE symbol is in this input file. */ bfd_coff_swap_sym_out (output_bfd, - (PTR) &finfo->last_file, - (PTR) (finfo->outsyms - + ((finfo->last_file_index - - syment_base) - * osymesz))); + &flaginfo->last_file, + (flaginfo->outsyms + + ((flaginfo->last_file_index + - syment_base) + * osymesz))); } else { + file_ptr pos; + /* We have already written out the last C_FILE symbol. We need to write it out again. We borrow *outsym temporarily. */ bfd_coff_swap_sym_out (output_bfd, - (PTR) &finfo->last_file, - (PTR) outsym); - if (bfd_seek (output_bfd, - (obj_sym_filepos (output_bfd) - + finfo->last_file_index * osymesz), - SEEK_SET) != 0 - || (bfd_write (outsym, osymesz, 1, output_bfd) - != osymesz)) - return false; + &flaginfo->last_file, outsym); + pos = obj_sym_filepos (output_bfd); + pos += flaginfo->last_file_index * osymesz; + if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 + || bfd_bwrite (outsym, osymesz, output_bfd) != osymesz) + return FALSE; } } - finfo->last_file_index = output_index; - finfo->last_file = isym; + flaginfo->last_file_index = output_index; + flaginfo->last_file = isym; break; } /* If doing task linking, convert normal global function symbols to static functions. */ - if (finfo->info->task_link && IS_EXTERNAL (input_bfd, isym)) + if (flaginfo->info->task_link && IS_EXTERNAL (input_bfd, isym)) isym.n_sclass = C_STAT; /* Output the symbol. */ - - bfd_coff_swap_sym_out (output_bfd, (PTR) &isym, (PTR) outsym); + bfd_coff_swap_sym_out (output_bfd, &isym, outsym); *indexp = output_index; @@ -1865,7 +1943,7 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) /* This can happen if there were errors earlier in the link. */ bfd_set_error (bfd_error_bad_value); - return false; + return FALSE; } h->indx = output_index; } @@ -1888,13 +1966,13 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) /* Fix up the aux entries. This must be done in a separate pass, because we don't know the correct symbol indices until we have already decided which symbols we are going to keep. */ - esym = (bfd_byte *) obj_coff_external_syms (input_bfd); esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz; - isymp = finfo->internal_syms; - indexp = finfo->sym_indices; + isymp = flaginfo->internal_syms; + indexp = flaginfo->sym_indices; sym_hash = obj_coff_sym_hashes (input_bfd); - outsym = finfo->outsyms; + outsym = flaginfo->outsyms; + while (esym < esym_end) { int add; @@ -1920,6 +1998,7 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) generate two symbols with the same name, but only one will have aux entries. */ BFD_ASSERT (isymp->n_numaux == 0 + || h->numaux == 0 || h->numaux == isymp->n_numaux); } @@ -1935,13 +2014,12 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) union internal_auxent aux; union internal_auxent *auxp; - if (h != NULL) + if (h != NULL && h->aux != NULL && (h->numaux > i)) auxp = h->aux + i; else { - bfd_coff_swap_aux_in (input_bfd, (PTR) esym, isymp->n_type, - isymp->n_sclass, i, isymp->n_numaux, - (PTR) &aux); + bfd_coff_swap_aux_in (input_bfd, esym, isymp->n_type, + isymp->n_sclass, i, isymp->n_numaux, &aux); auxp = &aux; } @@ -1961,17 +2039,21 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) { strings = _bfd_coff_read_string_table (input_bfd); if (strings == NULL) - return false; + return FALSE; } - filename = strings + auxp->x_file.x_n.x_offset; - indx = _bfd_stringtab_add (finfo->strtab, filename, + if ((bfd_size_type) auxp->x_file.x_n.x_offset >= obj_coff_strings_len (input_bfd)) + filename = _(""); + else + filename = strings + auxp->x_file.x_n.x_offset; + indx = _bfd_stringtab_add (flaginfo->strtab, filename, hash, copy); if (indx == (bfd_size_type) -1) - return false; + return FALSE; auxp->x_file.x_n.x_offset = STRING_SIZE_SIZE + indx; } } - else if (isymp->n_sclass != C_STAT || isymp->n_type != T_NULL) + else if ((isymp->n_sclass != C_STAT || isymp->n_type != T_NULL) + && isymp->n_sclass != C_NT_WEAK) { unsigned long indx; @@ -1988,15 +2070,15 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) the index of the next symbol we are going to include. I don't know if this is entirely right. */ - while ((finfo->sym_indices[indx] < 0 - || ((bfd_size_type) finfo->sym_indices[indx] + while ((flaginfo->sym_indices[indx] < 0 + || ((bfd_size_type) flaginfo->sym_indices[indx] < syment_base)) && indx < obj_raw_syment_count (input_bfd)) ++indx; if (indx >= obj_raw_syment_count (input_bfd)) indx = output_index; else - indx = finfo->sym_indices[indx]; + indx = flaginfo->sym_indices[indx]; auxp->x_sym.x_fcnary.x_fcn.x_endndx.l = indx; } } @@ -2006,7 +2088,7 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) { long symindx; - symindx = finfo->sym_indices[indx]; + symindx = flaginfo->sym_indices[indx]; if (symindx < 0) auxp->x_sym.x_tagndx.l = 0; else @@ -2026,26 +2108,27 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) && isymp->_n._n_name[2] == 'f' && isymp->_n._n_name[3] == '\0') { - if (finfo->last_bf_index != -1) + if (flaginfo->last_bf_index != -1) { - finfo->last_bf.x_sym.x_fcnary.x_fcn.x_endndx.l = + flaginfo->last_bf.x_sym.x_fcnary.x_fcn.x_endndx.l = *indexp; - if ((bfd_size_type) finfo->last_bf_index + if ((bfd_size_type) flaginfo->last_bf_index >= syment_base) { - PTR auxout; + void *auxout; /* The last .bf symbol is in this input file. This will only happen if the assembler did not set up the .bf endndx symbols correctly. */ - auxout = (PTR) (finfo->outsyms - + ((finfo->last_bf_index - - syment_base) - * osymesz)); + auxout = (flaginfo->outsyms + + ((flaginfo->last_bf_index + - syment_base) + * osymesz)); + bfd_coff_swap_aux_out (output_bfd, - (PTR) &finfo->last_bf, + &flaginfo->last_bf, isymp->n_type, isymp->n_sclass, 0, isymp->n_numaux, @@ -2053,36 +2136,37 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) } else { + file_ptr pos; + /* We have already written out the last .bf aux entry. We need to write it out again. We borrow *outsym temporarily. FIXME: This case should be made faster. */ bfd_coff_swap_aux_out (output_bfd, - (PTR) &finfo->last_bf, + &flaginfo->last_bf, isymp->n_type, isymp->n_sclass, 0, isymp->n_numaux, - (PTR) outsym); - if (bfd_seek (output_bfd, - (obj_sym_filepos (output_bfd) - + finfo->last_bf_index * osymesz), - SEEK_SET) != 0 - || bfd_write (outsym, osymesz, 1, - output_bfd) != osymesz) - return false; + outsym); + pos = obj_sym_filepos (output_bfd); + pos += flaginfo->last_bf_index * osymesz; + if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 + || (bfd_bwrite (outsym, osymesz, output_bfd) + != osymesz)) + return FALSE; } } if (auxp->x_sym.x_fcnary.x_fcn.x_endndx.l != 0) - finfo->last_bf_index = -1; + flaginfo->last_bf_index = -1; else { /* The endndx field of this aux entry must be updated with the symbol number of the next .bf symbol. */ - finfo->last_bf = *auxp; - finfo->last_bf_index = (((outsym - finfo->outsyms) + flaginfo->last_bf = *auxp; + flaginfo->last_bf_index = (((outsym - flaginfo->outsyms) / osymesz) + syment_base); } @@ -2091,9 +2175,9 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) if (h == NULL) { - bfd_coff_swap_aux_out (output_bfd, (PTR) auxp, isymp->n_type, + bfd_coff_swap_aux_out (output_bfd, auxp, isymp->n_type, isymp->n_sclass, i, isymp->n_numaux, - (PTR) outsym); + outsym); outsym += osymesz; } @@ -2107,8 +2191,8 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) } /* Relocate the line numbers, unless we are stripping them. */ - if (finfo->info->strip == strip_none - || finfo->info->strip == strip_some) + if (flaginfo->info->strip == strip_none + || flaginfo->info->strip == strip_some) { for (o = input_bfd->sections; o != NULL; o = o->next) { @@ -2116,7 +2200,9 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) bfd_byte *eline; bfd_byte *elineend; bfd_byte *oeline; - boolean skipping; + bfd_boolean skipping; + file_ptr pos; + bfd_size_type amt; /* FIXME: If SEC_HAS_CONTENTS is not for the section, then build_link_order in ldwrite.c will not have created a @@ -2132,20 +2218,20 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) continue; if (bfd_seek (input_bfd, o->line_filepos, SEEK_SET) != 0 - || bfd_read (finfo->linenos, linesz, o->lineno_count, + || bfd_bread (flaginfo->linenos, linesz * o->lineno_count, input_bfd) != linesz * o->lineno_count) - return false; + return FALSE; offset = o->output_section->vma + o->output_offset - o->vma; - eline = finfo->linenos; - oeline = finfo->linenos; + eline = flaginfo->linenos; + oeline = flaginfo->linenos; elineend = eline + linesz * o->lineno_count; - skipping = false; + skipping = FALSE; for (; eline < elineend; eline += linesz) { struct internal_lineno iline; - bfd_coff_swap_lineno_in (input_bfd, (PTR) eline, (PTR) &iline); + bfd_coff_swap_lineno_in (input_bfd, eline, &iline); if (iline.l_lnno != 0) iline.l_addr.l_paddr += offset; @@ -2155,7 +2241,7 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) { long indx; - indx = finfo->sym_indices[iline.l_addr.l_symndx]; + indx = flaginfo->sym_indices[iline.l_addr.l_symndx]; if (indx < 0) { @@ -2166,7 +2252,7 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) with symbol #0) will fail. We can't regain the space in the output file, but at least they're dense. */ - skipping = true; + skipping = TRUE; } else { @@ -2181,32 +2267,31 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) of the line numbers rather than an absolute file index. */ bfd_coff_swap_sym_in (output_bfd, - (PTR) (finfo->outsyms - + ((indx - syment_base) - * osymesz)), - (PTR) &is); + (flaginfo->outsyms + + ((indx - syment_base) + * osymesz)), &is); if ((ISFCN (is.n_type) || is.n_sclass == C_BLOCK) && is.n_numaux >= 1) { - PTR auxptr; + void *auxptr; - auxptr = (PTR) (finfo->outsyms - + ((indx - syment_base + 1) - * osymesz)); + auxptr = (flaginfo->outsyms + + ((indx - syment_base + 1) + * osymesz)); bfd_coff_swap_aux_in (output_bfd, auxptr, is.n_type, is.n_sclass, - 0, is.n_numaux, (PTR) &ia); + 0, is.n_numaux, &ia); ia.x_sym.x_fcnary.x_fcn.x_lnnoptr = (o->output_section->line_filepos + o->output_section->lineno_count * linesz - + eline - finfo->linenos); - bfd_coff_swap_aux_out (output_bfd, (PTR) &ia, + + eline - flaginfo->linenos); + bfd_coff_swap_aux_out (output_bfd, &ia, is.n_type, is.n_sclass, 0, is.n_numaux, auxptr); } - skipping = false; + skipping = FALSE; } iline.l_addr.l_symndx = indx; @@ -2214,23 +2299,19 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) if (!skipping) { - bfd_coff_swap_lineno_out (output_bfd, (PTR) &iline, - (PTR) oeline); + bfd_coff_swap_lineno_out (output_bfd, &iline, oeline); oeline += linesz; } } - if (bfd_seek (output_bfd, - (o->output_section->line_filepos - + o->output_section->lineno_count * linesz), - SEEK_SET) != 0 - || (bfd_write (finfo->linenos, 1, oeline - finfo->linenos, - output_bfd) - != (bfd_size_type) (oeline - finfo->linenos))) - return false; - - o->output_section->lineno_count += - (oeline - finfo->linenos) / linesz; + pos = o->output_section->line_filepos; + pos += o->output_section->lineno_count * linesz; + amt = oeline - flaginfo->linenos; + if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 + || bfd_bwrite (flaginfo->linenos, amt, output_bfd) != amt) + return FALSE; + + o->output_section->lineno_count += amt / linesz; } } @@ -2238,29 +2319,30 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) symbol will be the first symbol in the next input file. In the normal case, this will save us from writing out the C_FILE symbol again. */ - if (finfo->last_file_index != -1 - && (bfd_size_type) finfo->last_file_index >= syment_base) + if (flaginfo->last_file_index != -1 + && (bfd_size_type) flaginfo->last_file_index >= syment_base) { - finfo->last_file.n_value = output_index; - bfd_coff_swap_sym_out (output_bfd, (PTR) &finfo->last_file, - (PTR) (finfo->outsyms - + ((finfo->last_file_index - syment_base) - * osymesz))); + flaginfo->last_file.n_value = output_index; + bfd_coff_swap_sym_out (output_bfd, &flaginfo->last_file, + (flaginfo->outsyms + + ((flaginfo->last_file_index - syment_base) + * osymesz))); } /* Write the modified symbols to the output file. */ - if (outsym > finfo->outsyms) + if (outsym > flaginfo->outsyms) { - if (bfd_seek (output_bfd, - obj_sym_filepos (output_bfd) + syment_base * osymesz, - SEEK_SET) != 0 - || (bfd_write (finfo->outsyms, outsym - finfo->outsyms, 1, - output_bfd) - != (bfd_size_type) (outsym - finfo->outsyms))) - return false; + file_ptr pos; + bfd_size_type amt; + + pos = obj_sym_filepos (output_bfd) + syment_base * osymesz; + amt = outsym - flaginfo->outsyms; + if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 + || bfd_bwrite (flaginfo->outsyms, amt, output_bfd) != amt) + return FALSE; BFD_ASSERT ((obj_raw_syment_count (output_bfd) - + (outsym - finfo->outsyms) / osymesz) + + (outsym - flaginfo->outsyms) / osymesz) == output_index); obj_raw_syment_count (output_bfd) = output_index; @@ -2274,23 +2356,24 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) struct coff_section_tdata *secdata; if (! o->linker_mark) - { - /* This section was omitted from the link. */ - continue; - } + /* This section was omitted from the link. */ + continue; + + if ((o->flags & SEC_LINKER_CREATED) != 0) + continue; if ((o->flags & SEC_HAS_CONTENTS) == 0 - || (o->_raw_size == 0 && (o->flags & SEC_RELOC) == 0)) + || (o->size == 0 && (o->flags & SEC_RELOC) == 0)) { if ((o->flags & SEC_RELOC) != 0 && o->reloc_count != 0) { - ((*_bfd_error_handler) - (_("%s: relocs in section `%s', but it has no contents"), - bfd_get_filename (input_bfd), - bfd_get_section_name (input_bfd, o))); + _bfd_error_handler + /* xgettext: c-format */ + (_("%B: relocs in section `%A', but it has no contents"), + input_bfd, o); bfd_set_error (bfd_error_no_contents); - return false; + return FALSE; } continue; @@ -2301,10 +2384,9 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) contents = secdata->contents; else { - if (! bfd_get_section_contents (input_bfd, o, finfo->contents, - (file_ptr) 0, o->_raw_size)) - return false; - contents = finfo->contents; + contents = flaginfo->contents; + if (! bfd_get_full_section_contents (input_bfd, o, &contents)) + return FALSE; } if ((o->flags & SEC_RELOC) != 0) @@ -2316,26 +2398,57 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) /* Read in the relocs. */ target_index = o->output_section->target_index; internal_relocs = (_bfd_coff_read_internal_relocs - (input_bfd, o, false, finfo->external_relocs, - finfo->info->relocateable, - (finfo->info->relocateable - ? (finfo->section_info[target_index].relocs + (input_bfd, o, FALSE, flaginfo->external_relocs, + bfd_link_relocatable (flaginfo->info), + (bfd_link_relocatable (flaginfo->info) + ? (flaginfo->section_info[target_index].relocs + o->output_section->reloc_count) - : finfo->internal_relocs))); - if (internal_relocs == NULL) - return false; + : flaginfo->internal_relocs))); + if (internal_relocs == NULL + && o->reloc_count > 0) + return FALSE; + + /* Run through the relocs looking for relocs against symbols + coming from discarded sections and complain about them. */ + irel = internal_relocs; + for (; irel < &internal_relocs[o->reloc_count]; irel++) + { + struct coff_link_hash_entry *h; + asection *ps = NULL; + long symndx = irel->r_symndx; + if (symndx < 0) + continue; + h = obj_coff_sym_hashes (input_bfd)[symndx]; + if (h == NULL) + continue; + while (h->root.type == bfd_link_hash_indirect + || h->root.type == bfd_link_hash_warning) + h = (struct coff_link_hash_entry *) h->root.u.i.link; + if (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + ps = h->root.u.def.section; + if (ps == NULL) + continue; + /* Complain if definition comes from an excluded section. */ + if (ps->flags & SEC_EXCLUDE) + (*flaginfo->info->callbacks->einfo) + /* xgettext: c-format */ + (_("%X`%s' referenced in section `%A' of %B: " + "defined in discarded section `%A' of %B\n"), + h->root.root.string, o, input_bfd, ps, ps->owner); + } /* Call processor specific code to relocate the section contents. */ - if (! bfd_coff_relocate_section (output_bfd, finfo->info, + if (! bfd_coff_relocate_section (output_bfd, flaginfo->info, input_bfd, o, contents, internal_relocs, - finfo->internal_syms, - finfo->sec_ptrs)) - return false; + flaginfo->internal_syms, + flaginfo->sec_ptrs)) + return FALSE; - if (finfo->info->relocateable) + if (bfd_link_relocatable (flaginfo->info)) { bfd_vma offset; struct internal_reloc *irelend; @@ -2344,17 +2457,16 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) offset = o->output_section->vma + o->output_offset - o->vma; irel = internal_relocs; irelend = irel + o->reloc_count; - rel_hash = (finfo->section_info[target_index].rel_hashes + rel_hash = (flaginfo->section_info[target_index].rel_hashes + o->output_section->reloc_count); for (; irel < irelend; irel++, rel_hash++) { struct coff_link_hash_entry *h; - boolean adjusted; + bfd_boolean adjusted; *rel_hash = NULL; /* Adjust the reloc address and symbol index. */ - irel->r_vaddr += offset; if (irel->r_symndx == -1) @@ -2362,10 +2474,10 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) if (adjust_symndx) { - if (! (*adjust_symndx) (output_bfd, finfo->info, + if (! (*adjust_symndx) (output_bfd, flaginfo->info, input_bfd, o, irel, &adjusted)) - return false; + return FALSE; if (adjusted) continue; } @@ -2392,7 +2504,7 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) { long indx; - indx = finfo->sym_indices[irel->r_symndx]; + indx = flaginfo->sym_indices[irel->r_symndx]; if (indx != -1) irel->r_symndx = indx; else @@ -2405,18 +2517,15 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) stripping. This should have been handled by the 'dont_skip_symbol' code in the while loop at the top of this function. */ - - is = finfo->internal_syms + irel->r_symndx; + is = flaginfo->internal_syms + irel->r_symndx; name = (_bfd_coff_internal_syment_name (input_bfd, is, buf)); if (name == NULL) - return false; + return FALSE; - if (! ((*finfo->info->callbacks->unattached_reloc) - (finfo->info, name, input_bfd, o, - irel->r_vaddr))) - return false; + (*flaginfo->info->callbacks->unattached_reloc) + (flaginfo->info, name, input_bfd, o, irel->r_vaddr); } } } @@ -2428,66 +2537,67 @@ _bfd_coff_link_input_bfd (finfo, input_bfd) /* Write out the modified section contents. */ if (secdata == NULL || secdata->stab_info == NULL) { + file_ptr loc = o->output_offset * bfd_octets_per_byte (output_bfd); if (! bfd_set_section_contents (output_bfd, o->output_section, - contents, - (file_ptr) - (o->output_offset * - bfd_octets_per_byte (output_bfd)), - (o->_cooked_size != 0 - ? o->_cooked_size - : o->_raw_size))) - return false; + contents, loc, o->size)) + return FALSE; } else { if (! (_bfd_write_section_stabs - (output_bfd, &coff_hash_table (finfo->info)->stab_info, + (output_bfd, &coff_hash_table (flaginfo->info)->stab_info, o, &secdata->stab_info, contents))) - return false; + return FALSE; } } - if (! finfo->info->keep_memory) - { - if (! _bfd_coff_free_symbols (input_bfd)) - return false; - } + if (! flaginfo->info->keep_memory + && ! _bfd_coff_free_symbols (input_bfd)) + return FALSE; - return true; + return TRUE; } -/* Write out a global symbol. Called via coff_link_hash_traverse. */ +/* Write out a global symbol. Called via bfd_hash_traverse. */ -boolean -_bfd_coff_write_global_sym (h, data) - struct coff_link_hash_entry *h; - PTR data; +bfd_boolean +_bfd_coff_write_global_sym (struct bfd_hash_entry *bh, void *data) { - struct coff_final_link_info *finfo = (struct coff_final_link_info *) data; + struct coff_link_hash_entry *h = (struct coff_link_hash_entry *) bh; + struct coff_final_link_info *flaginfo = (struct coff_final_link_info *) data; bfd *output_bfd; struct internal_syment isym; bfd_size_type symesz; unsigned int i; + file_ptr pos; + + output_bfd = flaginfo->output_bfd; - output_bfd = finfo->output_bfd; + if (h->root.type == bfd_link_hash_warning) + { + h = (struct coff_link_hash_entry *) h->root.u.i.link; + if (h->root.type == bfd_link_hash_new) + return TRUE; + } if (h->indx >= 0) - return true; + return TRUE; if (h->indx != -2 - && (finfo->info->strip == strip_all - || (finfo->info->strip == strip_some - && (bfd_hash_lookup (finfo->info->keep_hash, - h->root.root.string, false, false) + && (flaginfo->info->strip == strip_all + || (flaginfo->info->strip == strip_some + && (bfd_hash_lookup (flaginfo->info->keep_hash, + h->root.root.string, FALSE, FALSE) == NULL)))) - return true; + return TRUE; switch (h->root.type) { default: case bfd_link_hash_new: + case bfd_link_hash_warning: abort (); - return false; + return FALSE; case bfd_link_hash_undefined: case bfd_link_hash_undefweak: @@ -2507,7 +2617,7 @@ _bfd_coff_write_global_sym (h, data) isym.n_scnum = sec->target_index; isym.n_value = (h->root.u.def.value + h->root.u.def.section->output_offset); - if (! obj_pe (finfo->output_bfd)) + if (! obj_pe (flaginfo->output_bfd)) isym.n_value += sec->vma; } break; @@ -2518,33 +2628,32 @@ _bfd_coff_write_global_sym (h, data) break; case bfd_link_hash_indirect: - case bfd_link_hash_warning: /* Just ignore these. They can't be handled anyhow. */ - return true; + return TRUE; } if (strlen (h->root.root.string) <= SYMNMLEN) strncpy (isym._n._n_name, h->root.root.string, SYMNMLEN); else { - boolean hash; + bfd_boolean hash; bfd_size_type indx; - hash = true; - if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0) - hash = false; - indx = _bfd_stringtab_add (finfo->strtab, h->root.root.string, hash, - false); + hash = TRUE; + if (flaginfo->info->traditional_format) + hash = FALSE; + indx = _bfd_stringtab_add (flaginfo->strtab, h->root.root.string, hash, + FALSE); if (indx == (bfd_size_type) -1) { - finfo->failed = true; - return false; + flaginfo->failed = TRUE; + return FALSE; } isym._n._n_n._n_zeroes = 0; isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx; } - isym.n_sclass = h->class; + isym.n_sclass = h->symbol_class; isym.n_type = h->type; if (isym.n_sclass == C_NULL) @@ -2554,36 +2663,35 @@ _bfd_coff_write_global_sym (h, data) defined globals to statics, then do that conversion now. If the symbol is not being converted, just ignore it and it will be output during a later pass. */ - if (finfo->global_to_static) + if (flaginfo->global_to_static) { if (! IS_EXTERNAL (output_bfd, isym)) - return true; + return TRUE; isym.n_sclass = C_STAT; } - /* When a weak symbol is not overriden by a strong one, + /* When a weak symbol is not overridden by a strong one, turn it into an external symbol when not building a - shared or relocateable object. */ - if (! finfo->info->shared - && ! finfo->info->relocateable - && IS_WEAK_EXTERNAL (finfo->output_bfd, isym)) + shared or relocatable object. */ + if (! bfd_link_pic (flaginfo->info) + && ! bfd_link_relocatable (flaginfo->info) + && IS_WEAK_EXTERNAL (flaginfo->output_bfd, isym)) isym.n_sclass = C_EXT; isym.n_numaux = h->numaux; - bfd_coff_swap_sym_out (output_bfd, (PTR) &isym, (PTR) finfo->outsyms); + bfd_coff_swap_sym_out (output_bfd, &isym, flaginfo->outsyms); symesz = bfd_coff_symesz (output_bfd); - if (bfd_seek (output_bfd, - (obj_sym_filepos (output_bfd) - + obj_raw_syment_count (output_bfd) * symesz), - SEEK_SET) != 0 - || bfd_write (finfo->outsyms, symesz, 1, output_bfd) != symesz) + pos = obj_sym_filepos (output_bfd); + pos += obj_raw_syment_count (output_bfd) * symesz; + if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 + || bfd_bwrite (flaginfo->outsyms, symesz, output_bfd) != symesz) { - finfo->failed = true; - return false; + flaginfo->failed = TRUE; + return FALSE; } h->indx = obj_raw_syment_count (output_bfd); @@ -2614,30 +2722,25 @@ _bfd_coff_write_global_sym (h, data) sec = h->root.u.def.section->output_section; if (sec != NULL) { - auxp->x_scn.x_scnlen = (sec->_cooked_size != 0 - ? sec->_cooked_size - : sec->_raw_size); + auxp->x_scn.x_scnlen = sec->size; /* For PE, an overflow on the final link reportedly does not matter. FIXME: Why not? */ - if (sec->reloc_count > 0xffff && (! obj_pe (output_bfd) - || finfo->info->relocateable)) - (*_bfd_error_handler) - (_("%s: %s: reloc overflow: 0x%lx > 0xffff"), - bfd_get_filename (output_bfd), - bfd_get_section_name (output_bfd, sec), - sec->reloc_count); + || bfd_link_relocatable (flaginfo->info))) + _bfd_error_handler + /* xgettext: c-format */ + (_("%B: %A: reloc overflow: %#x > 0xffff"), + output_bfd, sec, sec->reloc_count); if (sec->lineno_count > 0xffff && (! obj_pe (output_bfd) - || finfo->info->relocateable)) - (*_bfd_error_handler) - (_("%s: warning: %s: line number overflow: 0x%lx > 0xffff"), - bfd_get_filename (output_bfd), - bfd_get_section_name (output_bfd, sec), - sec->lineno_count); + || bfd_link_relocatable (flaginfo->info))) + _bfd_error_handler + /* xgettext: c-format */ + (_("%B: warning: %A: line number overflow: %#x > 0xffff"), + output_bfd, sec, sec->lineno_count); auxp->x_scn.x_nreloc = sec->reloc_count; auxp->x_scn.x_nlinno = sec->lineno_count; @@ -2647,32 +2750,33 @@ _bfd_coff_write_global_sym (h, data) } } - bfd_coff_swap_aux_out (output_bfd, (PTR) auxp, isym.n_type, - isym.n_sclass, i, isym.n_numaux, - (PTR) finfo->outsyms); - if (bfd_write (finfo->outsyms, symesz, 1, output_bfd) != symesz) + bfd_coff_swap_aux_out (output_bfd, auxp, isym.n_type, + isym.n_sclass, (int) i, isym.n_numaux, + flaginfo->outsyms); + if (bfd_bwrite (flaginfo->outsyms, symesz, output_bfd) != symesz) { - finfo->failed = true; - return false; + flaginfo->failed = TRUE; + return FALSE; } ++obj_raw_syment_count (output_bfd); } - return true; + return TRUE; } /* Write out task global symbols, converting them to statics. Called via coff_link_hash_traverse. Calls bfd_coff_write_global_sym to do the dirty work, if the symbol we are processing needs conversion. */ -boolean -_bfd_coff_write_task_globals (h, data) - struct coff_link_hash_entry *h; - PTR data; +bfd_boolean +_bfd_coff_write_task_globals (struct coff_link_hash_entry *h, void *data) { - struct coff_final_link_info *finfo = (struct coff_final_link_info *) data; - boolean rtnval = true; - boolean save_global_to_static; + struct coff_final_link_info *flaginfo = (struct coff_final_link_info *) data; + bfd_boolean rtnval = TRUE; + bfd_boolean save_global_to_static; + + if (h->root.type == bfd_link_hash_warning) + h = (struct coff_link_hash_entry *) h->root.u.i.link; if (h->indx < 0) { @@ -2680,10 +2784,10 @@ _bfd_coff_write_task_globals (h, data) { case bfd_link_hash_defined: case bfd_link_hash_defweak: - save_global_to_static = finfo->global_to_static; - finfo->global_to_static = true; - rtnval = _bfd_coff_write_global_sym (h, data); - finfo->global_to_static = save_global_to_static; + save_global_to_static = flaginfo->global_to_static; + flaginfo->global_to_static = TRUE; + rtnval = _bfd_coff_write_global_sym (&h->root.root, data); + flaginfo->global_to_static = save_global_to_static; break; default: break; @@ -2694,12 +2798,11 @@ _bfd_coff_write_task_globals (h, data) /* Handle a link order which is supposed to generate a reloc. */ -boolean -_bfd_coff_reloc_link_order (output_bfd, finfo, output_section, link_order) - bfd *output_bfd; - struct coff_final_link_info *finfo; - asection *output_section; - struct bfd_link_order *link_order; +bfd_boolean +_bfd_coff_reloc_link_order (bfd *output_bfd, + struct coff_final_link_info *flaginfo, + asection *output_section, + struct bfd_link_order *link_order) { reloc_howto_type *howto; struct internal_reloc *irel; @@ -2709,7 +2812,7 @@ _bfd_coff_reloc_link_order (output_bfd, finfo, output_section, link_order) if (howto == NULL) { bfd_set_error (bfd_error_bad_value); - return false; + return FALSE; } if (link_order->u.reloc.p->addend != 0) @@ -2717,15 +2820,17 @@ _bfd_coff_reloc_link_order (output_bfd, finfo, output_section, link_order) bfd_size_type size; bfd_byte *buf; bfd_reloc_status_type rstat; - boolean ok; + bfd_boolean ok; + file_ptr loc; size = bfd_get_reloc_size (howto); buf = (bfd_byte *) bfd_zmalloc (size); - if (buf == NULL) - return false; + if (buf == NULL && size != 0) + return FALSE; rstat = _bfd_relocate_contents (howto, output_bfd, - link_order->u.reloc.p->addend, buf); + (bfd_vma) link_order->u.reloc.p->addend,\ + buf); switch (rstat) { case bfd_reloc_ok: @@ -2734,35 +2839,29 @@ _bfd_coff_reloc_link_order (output_bfd, finfo, output_section, link_order) case bfd_reloc_outofrange: abort (); case bfd_reloc_overflow: - if (! ((*finfo->info->callbacks->reloc_overflow) - (finfo->info, - (link_order->type == bfd_section_reloc_link_order - ? bfd_section_name (output_bfd, - link_order->u.reloc.p->u.section) - : link_order->u.reloc.p->u.name), - howto->name, link_order->u.reloc.p->addend, - (bfd *) NULL, (asection *) NULL, (bfd_vma) 0))) - { - free (buf); - return false; - } + (*flaginfo->info->callbacks->reloc_overflow) + (flaginfo->info, NULL, + (link_order->type == bfd_section_reloc_link_order + ? bfd_section_name (output_bfd, + link_order->u.reloc.p->u.section) + : link_order->u.reloc.p->u.name), + howto->name, link_order->u.reloc.p->addend, + (bfd *) NULL, (asection *) NULL, (bfd_vma) 0); break; } - ok = bfd_set_section_contents (output_bfd, output_section, (PTR) buf, - (file_ptr) - (link_order->offset * - bfd_octets_per_byte (output_bfd)), size); + loc = link_order->offset * bfd_octets_per_byte (output_bfd); + ok = bfd_set_section_contents (output_bfd, output_section, buf, + loc, size); free (buf); if (! ok) - return false; + return FALSE; } /* Store the reloc information in the right place. It will get swapped and written out at the end of the final_link routine. */ - - irel = (finfo->section_info[output_section->target_index].relocs + irel = (flaginfo->section_info[output_section->target_index].relocs + output_section->reloc_count); - rel_hash_ptr = (finfo->section_info[output_section->target_index].rel_hashes + rel_hash_ptr = (flaginfo->section_info[output_section->target_index].rel_hashes + output_section->reloc_count); memset (irel, 0, sizeof (struct internal_reloc)); @@ -2785,9 +2884,9 @@ _bfd_coff_reloc_link_order (output_bfd, finfo, output_section, link_order) struct coff_link_hash_entry *h; h = ((struct coff_link_hash_entry *) - bfd_wrapped_link_hash_lookup (output_bfd, finfo->info, + bfd_wrapped_link_hash_lookup (output_bfd, flaginfo->info, link_order->u.reloc.p->u.name, - false, false, true)); + FALSE, FALSE, TRUE)); if (h != NULL) { if (h->indx >= 0) @@ -2803,10 +2902,9 @@ _bfd_coff_reloc_link_order (output_bfd, finfo, output_section, link_order) } else { - if (! ((*finfo->info->callbacks->unattached_reloc) - (finfo->info, link_order->u.reloc.p->u.name, (bfd *) NULL, - (asection *) NULL, (bfd_vma) 0))) - return false; + (*flaginfo->info->callbacks->unattached_reloc) + (flaginfo->info, link_order->u.reloc.p->u.name, + (bfd *) NULL, (asection *) NULL, (bfd_vma) 0); irel->r_symndx = 0; } } @@ -2818,27 +2916,23 @@ _bfd_coff_reloc_link_order (output_bfd, finfo, output_section, link_order) routines anyhow. r_extern is only used for ECOFF. */ /* FIXME: What is the right value for r_offset? Is zero OK? */ - ++output_section->reloc_count; - return true; + return TRUE; } /* A basic reloc handling routine which may be used by processors with simple relocs. */ -boolean -_bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, - input_section, contents, relocs, syms, - sections) - bfd *output_bfd; - struct bfd_link_info *info; - bfd *input_bfd; - asection *input_section; - bfd_byte *contents; - struct internal_reloc *relocs; - struct internal_syment *syms; - asection **sections; +bfd_boolean +_bfd_coff_generic_relocate_section (bfd *output_bfd, + struct bfd_link_info *info, + bfd *input_bfd, + asection *input_section, + bfd_byte *contents, + struct internal_reloc *relocs, + struct internal_syment *syms, + asection **sections) { struct internal_reloc *rel; struct internal_reloc *relend; @@ -2852,6 +2946,7 @@ _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, struct internal_syment *sym; bfd_vma addend; bfd_vma val; + asection *sec; reloc_howto_type *howto; bfd_reloc_status_type rstat; @@ -2865,10 +2960,10 @@ _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, else if (symndx < 0 || (unsigned long) symndx >= obj_raw_syment_count (input_bfd)) { - (*_bfd_error_handler) - ("%s: illegal symbol index %ld in relocs", - bfd_get_filename (input_bfd), symndx); - return false; + _bfd_error_handler + /* xgettext: c-format */ + (_("%B: illegal symbol index %ld in relocs"), input_bfd, symndx); + return FALSE; } else { @@ -2880,7 +2975,6 @@ _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, size of the symbol is included in the section contents, or it is not. We assume that the size is not included, and force the rtype_to_howto function to adjust the addend as needed. */ - if (sym != NULL && sym->n_scnum != 0) addend = - sym->n_value; else @@ -2889,26 +2983,24 @@ _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h, sym, &addend); if (howto == NULL) - return false; + return FALSE; - /* If we are doing a relocateable link, then we can just ignore + /* If we are doing a relocatable link, then we can just ignore a PC relative reloc that is pcrel_offset. It will already - have the correct value. If this is not a relocateable link, + have the correct value. If this is not a relocatable link, then we should ignore the symbol value. */ if (howto->pc_relative && howto->pcrel_offset) { - if (info->relocateable) + if (bfd_link_relocatable (info)) continue; if (sym != NULL && sym->n_scnum != 0) addend += sym->n_value; } val = 0; - + sec = NULL; if (h == NULL) { - asection *sec; - if (symndx == -1) { sec = bfd_abs_section_ptr; @@ -2917,6 +3009,12 @@ _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, else { sec = sections[symndx]; + + /* PR 19623: Relocations against symbols in + the absolute sections should ignored. */ + if (bfd_is_abs_section (sec)) + continue; + val = (sec->output_section->vma + sec->output_offset + sym->n_value); @@ -2929,24 +3027,61 @@ _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, if (h->root.type == bfd_link_hash_defined || h->root.type == bfd_link_hash_defweak) { - asection *sec; - + /* Defined weak symbols are a GNU extension. */ sec = h->root.u.def.section; val = (h->root.u.def.value + sec->output_section->vma + sec->output_offset); - } + } else if (h->root.type == bfd_link_hash_undefweak) - val = 0; - - else if (! info->relocateable) { - if (! ((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, input_section, - rel->r_vaddr - input_section->vma, true))) - return false; + if (h->symbol_class == C_NT_WEAK && h->numaux == 1) + { + /* See _Microsoft Portable Executable and Common Object + File Format Specification_, section 5.5.3. + Note that weak symbols without aux records are a GNU + extension. + FIXME: All weak externals are treated as having + characteristic IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY (1). + These behave as per SVR4 ABI: A library member + will resolve a weak external only if a normal + external causes the library member to be linked. + See also linker.c: generic_link_check_archive_element. */ + struct coff_link_hash_entry *h2 = + h->auxbfd->tdata.coff_obj_data->sym_hashes[ + h->aux->x_sym.x_tagndx.l]; + + if (!h2 || h2->root.type == bfd_link_hash_undefined) + { + sec = bfd_abs_section_ptr; + val = 0; + } + else + { + sec = h2->root.u.def.section; + val = h2->root.u.def.value + + sec->output_section->vma + sec->output_offset; + } + } + else + /* This is a GNU extension. */ + val = 0; } + + else if (! bfd_link_relocatable (info)) + (*info->callbacks->undefined_symbol) + (info, h->root.root.string, input_bfd, input_section, + rel->r_vaddr - input_section->vma, TRUE); + } + + /* If the input section defining the symbol has been discarded + then zero this reloc field. */ + if (sec != NULL && discarded_section (sec)) + { + _bfd_clear_contents (howto, input_bfd, input_section, + contents + (rel->r_vaddr - input_section->vma)); + continue; } if (info->base_file) @@ -2958,19 +3093,19 @@ _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, absolute. We output the address here to a file. This file is then read by dlltool when generating the reloc section. Note that the base file is not - portable between systems. We write out a long here, - and dlltool reads in a long. */ - long addr = (rel->r_vaddr + portable between systems. We write out a bfd_vma here, + and dlltool reads in a bfd_vma. */ + bfd_vma addr = (rel->r_vaddr - input_section->vma + input_section->output_offset + input_section->output_section->vma); if (coff_data (output_bfd)->pe) addr -= pe_data(output_bfd)->pe_opthdr.ImageBase; - if (fwrite (&addr, 1, sizeof (long), (FILE *) info->base_file) - != sizeof (long)) + if (fwrite (&addr, 1, sizeof (bfd_vma), (FILE *) info->base_file) + != sizeof (bfd_vma)) { bfd_set_error (bfd_error_system_call); - return false; + return FALSE; } } } @@ -2987,12 +3122,11 @@ _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, case bfd_reloc_ok: break; case bfd_reloc_outofrange: - (*_bfd_error_handler) - (_("%s: bad reloc address 0x%lx in section `%s'"), - bfd_get_filename (input_bfd), - (unsigned long) rel->r_vaddr, - bfd_get_section_name (input_bfd, input_section)); - return false; + _bfd_error_handler + /* xgettext: c-format */ + (_("%B: bad reloc address %#Lx in section `%A'"), + input_bfd, rel->r_vaddr, input_section); + return FALSE; case bfd_reloc_overflow: { const char *name; @@ -3001,20 +3135,20 @@ _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, if (symndx == -1) name = "*ABS*"; else if (h != NULL) - name = h->root.root.string; + name = NULL; else { name = _bfd_coff_internal_syment_name (input_bfd, sym, buf); if (name == NULL) - return false; + return FALSE; } - if (! ((*info->callbacks->reloc_overflow) - (info, name, howto->name, (bfd_vma) 0, input_bfd, - input_section, rel->r_vaddr - input_section->vma))) - return false; + (*info->callbacks->reloc_overflow) + (info, (h ? &h->root : NULL), name, howto->name, + (bfd_vma) 0, input_bfd, input_section, + rel->r_vaddr - input_section->vma); } } } - return true; + return TRUE; }