diff options
Diffstat (limited to 'bfd/xcofflink.c')
| -rw-r--r-- | bfd/xcofflink.c | 2816 |
1 files changed, 1454 insertions, 1362 deletions
diff --git a/bfd/xcofflink.c b/bfd/xcofflink.c index 6f70a32..3a49918 100644 --- a/bfd/xcofflink.c +++ b/bfd/xcofflink.c @@ -1,5 +1,5 @@ /* POWER/PowerPC XCOFF linker support. - Copyright 1995, 1996, 1997, 1998, 1999, 2000 + Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. Written by Ian Lance Taylor <ian@cygnus.com>, Cygnus Support. @@ -39,7 +39,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* The list of import files. */ -struct xcoff_import_file { +struct xcoff_import_file +{ /* The next entry in the list. */ struct xcoff_import_file *next; /* The path. */ @@ -53,7 +54,8 @@ struct xcoff_import_file { /* Information we keep for each section in the output file during the final link phase. */ -struct xcoff_link_section_info { +struct xcoff_link_section_info +{ /* The relocs to be output. */ struct internal_reloc *relocs; /* For each reloc against a global symbol whose index was not known @@ -72,7 +74,8 @@ struct xcoff_link_section_info { /* Information that we pass around while doing the final link step. */ -struct xcoff_final_link_info { +struct xcoff_final_link_info +{ /* General link information. */ struct bfd_link_info *info; /* Output BFD. */ @@ -159,16 +162,16 @@ xcoff_get_section_contents (abfd, sec) if (coff_section_data (abfd, sec) == NULL) { - sec->used_by_bfd = bfd_zalloc (abfd, - sizeof (struct coff_section_tdata)); + bfd_size_type amt = sizeof (struct coff_section_tdata); + sec->used_by_bfd = bfd_zalloc (abfd, amt); if (sec->used_by_bfd == NULL) return false; } if (coff_section_data (abfd, sec)->contents == NULL) { - coff_section_data (abfd, sec)->contents = - (bfd_byte *) bfd_malloc (sec->_raw_size); + coff_section_data (abfd, sec)->contents = ((bfd_byte *) + bfd_malloc (sec->_raw_size)); if (coff_section_data (abfd, sec)->contents == NULL) return false; @@ -272,7 +275,7 @@ _bfd_xcoff_canonicalize_dynamic_symtab (abfd, psyms) { char *c; - c = bfd_alloc (abfd, SYMNMLEN + 1); + c = bfd_alloc (abfd, (bfd_size_type) SYMNMLEN + 1); if (c == NULL) return -1; memcpy (c, ldsym._l._l_name, SYMNMLEN); @@ -374,8 +377,8 @@ _bfd_xcoff_canonicalize_dynamic_reloc (abfd, prelocs, syms) elrel = contents + bfd_xcoff_loader_reloc_offset(abfd, &ldhdr); elrelend = elrel + ldhdr.l_nreloc * bfd_xcoff_ldrelsz(abfd); - for (; elrel < elrelend; elrel += bfd_xcoff_ldrelsz(abfd), relbuf++, - prelocs++) + for (; elrel < elrelend; elrel += bfd_xcoff_ldrelsz(abfd), relbuf++, + prelocs++) { struct internal_ldrel ldrel; @@ -477,9 +480,9 @@ _bfd_xcoff_bfd_link_hash_table_create (abfd) bfd *abfd; { struct xcoff_link_hash_table *ret; + bfd_size_type amt = sizeof (struct xcoff_link_hash_table); - ret = ((struct xcoff_link_hash_table *) - bfd_alloc (abfd, sizeof (struct xcoff_link_hash_table))); + ret = (struct xcoff_link_hash_table *) bfd_alloc (abfd, amt); if (ret == (struct xcoff_link_hash_table *) NULL) return (struct bfd_link_hash_table *) NULL; if (! _bfd_link_hash_table_init (&ret->root, abfd, xcoff_link_hash_newfunc)) @@ -731,7 +734,7 @@ xcoff_link_check_ar_symbols (abfd, info, pneeded) undefined references in shared objects. */ if (h != (struct bfd_link_hash_entry *) NULL && h->type == bfd_link_hash_undefined - && (info->hash->creator != abfd->xvec + && (info->hash->creator != abfd->xvec || (((struct xcoff_link_hash_entry *) h)->flags & XCOFF_DEF_DYNAMIC) == 0)) { @@ -886,92 +889,103 @@ xcoff_find_reloc (relocs, count, address) } -/* - * xcoff_link_create_extra_sections - * - * Takes care of creating the .loader, .gl, .ds, .debug and sections - */ +/* xcoff_link_create_extra_sections + + Takes care of creating the .loader, .gl, .ds, .debug and sections. */ + static boolean -xcoff_link_create_extra_sections(bfd * abfd, struct bfd_link_info *info) { +xcoff_link_create_extra_sections(bfd * abfd, struct bfd_link_info *info) +{ boolean return_value = false; - if (info->hash->creator == abfd->xvec) { + if (info->hash->creator == abfd->xvec) + { /* We need to build a .loader section, so we do it here. This won't work if we're producing an XCOFF output file with no XCOFF input files. FIXME. */ - if (xcoff_hash_table (info)->loader_section == NULL) { - asection *lsec; - - lsec = bfd_make_section_anyway (abfd, ".loader"); - if (lsec == NULL) { - goto end_return; + if (xcoff_hash_table (info)->loader_section == NULL) + { + asection *lsec; + + lsec = bfd_make_section_anyway (abfd, ".loader"); + if (lsec == NULL) + { + goto end_return; + } + xcoff_hash_table (info)->loader_section = lsec; + lsec->flags |= SEC_HAS_CONTENTS | SEC_IN_MEMORY; } - xcoff_hash_table (info)->loader_section = lsec; - lsec->flags |= SEC_HAS_CONTENTS | SEC_IN_MEMORY; - } /* Likewise for the linkage section. */ - if (xcoff_hash_table (info)->linkage_section == NULL) { - asection *lsec; + if (xcoff_hash_table (info)->linkage_section == NULL) + { + asection *lsec; - lsec = bfd_make_section_anyway (abfd, ".gl"); - if (lsec == NULL) { - goto end_return; - } + lsec = bfd_make_section_anyway (abfd, ".gl"); + if (lsec == NULL) + { + goto end_return; + } - xcoff_hash_table (info)->linkage_section = lsec; - lsec->flags |= (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS - | SEC_IN_MEMORY); - lsec->alignment_power = 2; - } + xcoff_hash_table (info)->linkage_section = lsec; + lsec->flags |= (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS + | SEC_IN_MEMORY); + lsec->alignment_power = 2; + } /* Likewise for the TOC section. */ - if (xcoff_hash_table (info)->toc_section == NULL) { - asection *tsec; - - tsec = bfd_make_section_anyway (abfd, ".tc"); - if (tsec == NULL) { - goto end_return; - } + if (xcoff_hash_table (info)->toc_section == NULL) + { + asection *tsec; - xcoff_hash_table (info)->toc_section = tsec; - tsec->flags |= (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS - | SEC_IN_MEMORY); - tsec->alignment_power = 2; - } + tsec = bfd_make_section_anyway (abfd, ".tc"); + if (tsec == NULL) + { + goto end_return; + } - /* Likewise for the descriptor section. */ - if (xcoff_hash_table (info)->descriptor_section == NULL) { - asection *dsec; - - dsec = bfd_make_section_anyway (abfd, ".ds"); - if (dsec == NULL) { - goto end_return; + xcoff_hash_table (info)->toc_section = tsec; + tsec->flags |= (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS + | SEC_IN_MEMORY); + tsec->alignment_power = 2; } - xcoff_hash_table (info)->descriptor_section = dsec; - dsec->flags |= (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS - | SEC_IN_MEMORY); - dsec->alignment_power = 2; - } + /* Likewise for the descriptor section. */ + if (xcoff_hash_table (info)->descriptor_section == NULL) + { + asection *dsec; + + dsec = bfd_make_section_anyway (abfd, ".ds"); + if (dsec == NULL) + { + goto end_return; + } + + xcoff_hash_table (info)->descriptor_section = dsec; + dsec->flags |= (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS + | SEC_IN_MEMORY); + dsec->alignment_power = 2; + } /* Likewise for the .debug section. */ if (xcoff_hash_table (info)->debug_section == NULL - && info->strip != strip_all) { - asection *dsec; + && info->strip != strip_all) + { + asection *dsec; - dsec = bfd_make_section_anyway (abfd, ".debug"); - if (dsec == NULL) { - goto end_return; + dsec = bfd_make_section_anyway (abfd, ".debug"); + if (dsec == NULL) + { + goto end_return; + } + xcoff_hash_table (info)->debug_section = dsec; + dsec->flags |= SEC_HAS_CONTENTS | SEC_IN_MEMORY; } - xcoff_hash_table (info)->debug_section = dsec; - dsec->flags |= SEC_HAS_CONTENTS | SEC_IN_MEMORY; - } - } - + } + return_value = true; end_return: @@ -1018,26 +1032,30 @@ xcoff_link_add_symbols (abfd, info) bfd_size_type symesz; bfd_byte *esym; bfd_byte *esym_end; - struct reloc_info_struct + struct reloc_info_struct { struct internal_reloc *relocs; asection **csects; bfd_byte *linenos; } *reloc_info = NULL; + bfd_size_type amt; keep_syms = obj_coff_keep_syms (abfd); if ((abfd->flags & DYNAMIC) != 0 - && ! info->static_link) { - if (! xcoff_link_add_dynamic_symbols (abfd, info)) { - return false; + && ! info->static_link) + { + if (! xcoff_link_add_dynamic_symbols (abfd, info)) + { + return false; + } } - } /* create the loader, toc, gl, ds and debug sections, if needed */ - if (false == xcoff_link_create_extra_sections(abfd, info)) { - goto error_return; - } + if (false == xcoff_link_create_extra_sections(abfd, info)) + { + goto error_return; + } if ((abfd->flags & DYNAMIC) != 0 && ! info->static_link) @@ -1055,79 +1073,78 @@ xcoff_link_add_symbols (abfd, info) else default_copy = true; - symcount = obj_raw_syment_count (abfd); + symcount = obj_raw_syment_count (abfd); /* We keep a list of the linker hash table entries that correspond to each external symbol. */ - sym_hash = ((struct xcoff_link_hash_entry **) - bfd_alloc (abfd, - (symcount - * sizeof (struct xcoff_link_hash_entry *)))); + amt = symcount * sizeof (struct xcoff_link_hash_entry *); + sym_hash = (struct xcoff_link_hash_entry **) bfd_alloc (abfd, amt); if (sym_hash == NULL && symcount != 0) goto error_return; coff_data (abfd)->sym_hashes = (struct coff_link_hash_entry **) sym_hash; - memset (sym_hash, 0, - (size_t) symcount * sizeof (struct xcoff_link_hash_entry *)); + memset (sym_hash, 0, (size_t) amt); /* Because of the weird stuff we are doing with XCOFF csects, we can not easily determine which section a symbol is in, so we store the information in the tdata for the input file. */ - csect_cache = ((asection **) - bfd_alloc (abfd, symcount * sizeof (asection *))); + amt = symcount * sizeof (asection *); + csect_cache = (asection **) bfd_alloc (abfd, amt); if (csect_cache == NULL && symcount != 0) goto error_return; xcoff_data (abfd)->csects = csect_cache; - memset (csect_cache, 0, (size_t) symcount * sizeof (asection *)); + memset (csect_cache, 0, (size_t) amt); /* While splitting sections into csects, we need to assign the relocs correctly. The relocs and the csects must both be in order by VMA within a given section, so we handle this by scanning along the relocs as we process the csects. We index into reloc_info using the section target_index. */ - reloc_info = ((struct reloc_info_struct *) - bfd_malloc ((abfd->section_count + 1) - * sizeof (struct reloc_info_struct))); + amt = abfd->section_count + 1; + amt *= sizeof (struct reloc_info_struct); + reloc_info = (struct reloc_info_struct *) bfd_malloc (amt); if (reloc_info == NULL) goto error_return; - memset ((PTR) reloc_info, 0, - (abfd->section_count + 1) * sizeof (struct reloc_info_struct)); + memset ((PTR) reloc_info, 0, (size_t) amt); /* Read in the relocs and line numbers for each section. */ linesz = bfd_coff_linesz (abfd); last_real = NULL; - for (o = abfd->sections; o != NULL; o = o->next) { + for (o = abfd->sections; o != NULL; o = o->next) + { + + last_real = o; + if ((o->flags & SEC_RELOC) != 0) + { - last_real = o; - if ((o->flags & SEC_RELOC) != 0) { + reloc_info[o->target_index].relocs = + xcoff_read_internal_relocs (abfd, o, true, (bfd_byte *) NULL, + false, (struct internal_reloc *) NULL); + amt = o->reloc_count; + amt *= sizeof (asection *); + reloc_info[o->target_index].csects = (asection **) bfd_malloc (amt); + if (reloc_info[o->target_index].csects == NULL) + goto error_return; + memset (reloc_info[o->target_index].csects, 0, (size_t) amt); - reloc_info[o->target_index].relocs = - xcoff_read_internal_relocs (abfd, o, true, (bfd_byte *) NULL, - false, (struct internal_reloc *) NULL); - reloc_info[o->target_index].csects = - (asection **) bfd_malloc (o->reloc_count * sizeof (asection *)); - if (reloc_info[o->target_index].csects == NULL) - goto error_return; - memset (reloc_info[o->target_index].csects, 0, - o->reloc_count * sizeof (asection *)); - - } + } - if ((info->strip == strip_none || info->strip == strip_some) - && o->lineno_count > 0) { + if ((info->strip == strip_none || info->strip == strip_some) + && o->lineno_count > 0) + { - bfd_byte *linenos; + bfd_byte *linenos; - linenos = (bfd_byte *) bfd_malloc (o->lineno_count * linesz); - if (linenos == NULL) - goto error_return; - reloc_info[o->target_index].linenos = linenos; - if (bfd_seek (abfd, o->line_filepos, SEEK_SET) != 0 - || (bfd_read (linenos, linesz, o->lineno_count, abfd) - != linesz * o->lineno_count)) - goto error_return; - + amt = linesz * o->lineno_count; + linenos = (bfd_byte *) bfd_malloc (amt); + if (linenos == NULL) + goto error_return; + reloc_info[o->target_index].linenos = linenos; + if (bfd_seek (abfd, o->line_filepos, SEEK_SET) != 0 + || bfd_bread (linenos, amt, abfd) != amt) + goto error_return; + + } } - } /* Don't let the linker relocation routines discard the symbols. */ @@ -1142,56 +1159,57 @@ xcoff_link_add_symbols (abfd, info) esym = (bfd_byte *) obj_coff_external_syms (abfd); esym_end = esym + symcount * symesz; - while (esym < esym_end) { - struct internal_syment sym; - union internal_auxent aux; - const char *name; - char buf[SYMNMLEN + 1]; - int smtyp; - flagword flags; - asection *section; - bfd_vma value; - struct xcoff_link_hash_entry *set_toc; - - bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &sym); - - /* In this pass we are only interested in symbols with csect - information. */ - if (sym.n_sclass != C_EXT && sym.n_sclass != C_HIDEXT) { - - /* - * Set csect_cache, - * Normally csect is a .pr, .rw etc. created in the loop - * If C_FILE or first time, handle special - * - * Advance esym, sym_hash, csect_hash ptr's - * Keep track of the last_symndx for the current file - */ - if (sym.n_sclass == C_FILE && csect != NULL) { - xcoff_section_data (abfd, csect)->last_symndx = - ((esym - - (bfd_byte *) obj_coff_external_syms (abfd)) - / symesz); - csect = NULL; - } + while (esym < esym_end) + { + struct internal_syment sym; + union internal_auxent aux; + const char *name; + char buf[SYMNMLEN + 1]; + int smtyp; + flagword flags; + asection *section; + bfd_vma value; + struct xcoff_link_hash_entry *set_toc; - if (csect != NULL) - *csect_cache = csect; - else if (first_csect == NULL || sym.n_sclass == C_FILE) - *csect_cache = coff_section_from_bfd_index (abfd, sym.n_scnum); - else - *csect_cache = NULL; - esym += (sym.n_numaux + 1) * symesz; - sym_hash += sym.n_numaux + 1; - csect_cache += sym.n_numaux + 1; - - continue; - } + bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &sym); - name = _bfd_coff_internal_syment_name (abfd, &sym, buf); + /* In this pass we are only interested in symbols with csect + information. */ + if (sym.n_sclass != C_EXT && sym.n_sclass != C_HIDEXT) + { - if (name == NULL) - goto error_return; + /* Set csect_cache, + Normally csect is a .pr, .rw etc. created in the loop + If C_FILE or first time, handle special + + Advance esym, sym_hash, csect_hash ptr's + Keep track of the last_symndx for the current file. */ + if (sym.n_sclass == C_FILE && csect != NULL) + { + xcoff_section_data (abfd, csect)->last_symndx = + ((esym + - (bfd_byte *) obj_coff_external_syms (abfd)) + / symesz); + csect = NULL; + } + + if (csect != NULL) + *csect_cache = csect; + else if (first_csect == NULL || sym.n_sclass == C_FILE) + *csect_cache = coff_section_from_bfd_index (abfd, sym.n_scnum); + else + *csect_cache = NULL; + esym += (sym.n_numaux + 1) * symesz; + sym_hash += sym.n_numaux + 1; + csect_cache += sym.n_numaux + 1; + + continue; + } + + name = _bfd_coff_internal_syment_name (abfd, &sym, buf); + + if (name == NULL) + goto error_return; /* If this symbol has line number information attached to it, and we're not stripping it, count the number of entries and @@ -1199,80 +1217,89 @@ xcoff_link_add_symbols (abfd, info) we are going to attach line number information by symbol, rather than by section, in order to more easily handle garbage collection. */ - if ((info->strip == strip_none || info->strip == strip_some) && - (sym.n_numaux > 1) && - (csect != NULL) && - (ISFCN (sym.n_type))) { + if ((info->strip == strip_none || info->strip == strip_some) + && sym.n_numaux > 1 + && csect != NULL + && ISFCN (sym.n_type)) + { - union internal_auxent auxlin; + union internal_auxent auxlin; - bfd_coff_swap_aux_in (abfd, (PTR) (esym + symesz), - sym.n_type, sym.n_sclass, - 0, sym.n_numaux, (PTR) &auxlin); - - if (auxlin.x_sym.x_fcnary.x_fcn.x_lnnoptr != 0) { - asection *enclosing; - bfd_signed_vma linoff; - - enclosing = xcoff_section_data (abfd, csect)->enclosing; - if (enclosing == NULL) { - (*_bfd_error_handler) - (_("%s: `%s' has line numbers but no enclosing section"), - bfd_get_filename (abfd), name); - bfd_set_error (bfd_error_bad_value); - goto error_return; - } - linoff = (auxlin.x_sym.x_fcnary.x_fcn.x_lnnoptr - - enclosing->line_filepos); - /* explict cast to bfd_signed_vma for compiler */ - if (linoff < (bfd_signed_vma)(enclosing->lineno_count * linesz)) { - struct internal_lineno lin; - bfd_byte *linpstart; - - linpstart = (reloc_info[enclosing->target_index].linenos - + linoff); - bfd_coff_swap_lineno_in (abfd, (PTR) linpstart, (PTR) &lin); - if (lin.l_lnno == 0 - && ((bfd_size_type) lin.l_addr.l_symndx - == ((esym - - (bfd_byte *) obj_coff_external_syms (abfd)) - / symesz))) { - bfd_byte *linpend, *linp; - - linpend = (reloc_info[enclosing->target_index].linenos - + enclosing->lineno_count * linesz); - for (linp = linpstart + linesz; linp < linpend; linp += linesz) { - bfd_coff_swap_lineno_in (abfd, (PTR) linp, - (PTR) &lin); - if (lin.l_lnno == 0) - break; + bfd_coff_swap_aux_in (abfd, (PTR) (esym + symesz), + sym.n_type, sym.n_sclass, + 0, sym.n_numaux, (PTR) &auxlin); + + if (auxlin.x_sym.x_fcnary.x_fcn.x_lnnoptr != 0) + { + asection *enclosing; + bfd_signed_vma linoff; + + enclosing = xcoff_section_data (abfd, csect)->enclosing; + if (enclosing == NULL) + { + (*_bfd_error_handler) + (_("%s: `%s' has line numbers but no enclosing section"), + bfd_get_filename (abfd), name); + bfd_set_error (bfd_error_bad_value); + goto error_return; + } + linoff = (auxlin.x_sym.x_fcnary.x_fcn.x_lnnoptr + - enclosing->line_filepos); + /* explict cast to bfd_signed_vma for compiler */ + if (linoff < (bfd_signed_vma) (enclosing->lineno_count * linesz)) + { + struct internal_lineno lin; + bfd_byte *linpstart; + + linpstart = (reloc_info[enclosing->target_index].linenos + + linoff); + bfd_coff_swap_lineno_in (abfd, (PTR) linpstart, (PTR) &lin); + if (lin.l_lnno == 0 + && ((bfd_size_type) lin.l_addr.l_symndx + == ((esym + - (bfd_byte *) obj_coff_external_syms (abfd)) + / symesz))) + { + bfd_byte *linpend, *linp; + + linpend = (reloc_info[enclosing->target_index].linenos + + enclosing->lineno_count * linesz); + for (linp = linpstart + linesz; + linp < linpend; + linp += linesz) + { + bfd_coff_swap_lineno_in (abfd, (PTR) linp, + (PTR) &lin); + if (lin.l_lnno == 0) + break; + } + csect->lineno_count += (linp - linpstart) / linesz; + /* The setting of line_filepos will only be + useful if all the line number entries for a + csect are contiguous; this only matters for + error reporting. */ + if (csect->line_filepos == 0) + csect->line_filepos = + auxlin.x_sym.x_fcnary.x_fcn.x_lnnoptr; + } + } } - csect->lineno_count += (linp - linpstart) / linesz; - /* The setting of line_filepos will only be - useful if all the line number entries for a - csect are contiguous; this only matters for - error reporting. */ - if (csect->line_filepos == 0) - csect->line_filepos = - auxlin.x_sym.x_fcnary.x_fcn.x_lnnoptr; - } } - } - } - /* Pick up the csect auxiliary information. */ + /* Pick up the csect auxiliary information. */ - if (sym.n_numaux == 0) { - (*_bfd_error_handler) - (_("%s: class %d symbol `%s' has no aux entries"), - bfd_get_filename (abfd), sym.n_sclass, name); - bfd_set_error (bfd_error_bad_value); - goto error_return; - } + if (sym.n_numaux == 0) + { + (*_bfd_error_handler) + (_("%s: class %d symbol `%s' has no aux entries"), + bfd_get_filename (abfd), sym.n_sclass, name); + bfd_set_error (bfd_error_bad_value); + goto error_return; + } - bfd_coff_swap_aux_in (abfd, - (PTR) (esym + symesz * sym.n_numaux), - sym.n_type, sym.n_sclass, + bfd_coff_swap_aux_in (abfd, + (PTR) (esym + symesz * sym.n_numaux), + sym.n_type, sym.n_sclass, sym.n_numaux - 1, sym.n_numaux, (PTR) &aux); @@ -1322,13 +1349,11 @@ xcoff_link_add_symbols (abfd, info) if (csect != NULL) { xcoff_section_data (abfd, csect)->last_symndx = - ((esym - - (bfd_byte *) obj_coff_external_syms (abfd)) - / symesz); + ((esym - (bfd_byte *) obj_coff_external_syms (abfd)) / symesz); } csect = NULL; - csect_index = -1; + csect_index = -(unsigned) 1; /* When we see a TOC anchor, we record the TOC value. */ if (aux.x_csect.x_smclas == XMC_TC0) @@ -1346,123 +1371,122 @@ xcoff_link_add_symbols (abfd, info) xcoff_data (abfd)->toc = sym.n_value; } - /* - * We must merge TOC entries for the same symbol. We can - * merge two TOC entries if they are both C_HIDEXT, they - * both have the same name, they are both 4 or 8 bytes long, and - * they both have a relocation table entry for an external - * symbol with the same name. Unfortunately, this means - * that we must look through the relocations. Ick. - * - * Logic for 32 bit vs 64 bit. - * 32 bit has a csect length of 4 for TOC - * 64 bit has a csect length of 8 for TOC - * - * The conditions to get past the if-check are not that bad. - * They are what is used to create the TOC csects in the first - * place - */ - if ((aux.x_csect.x_smclas == XMC_TC) && - (sym.n_sclass == C_HIDEXT) && - (info->hash->creator == abfd->xvec) && - (((bfd_xcoff_is_xcoff32(abfd)) && - (aux.x_csect.x_scnlen.l == 4)) || - ((bfd_xcoff_is_xcoff64(abfd)) && - (aux.x_csect.x_scnlen.l == 8)))) { + /* We must merge TOC entries for the same symbol. We can + merge two TOC entries if they are both C_HIDEXT, they + both have the same name, they are both 4 or 8 bytes long, and + they both have a relocation table entry for an external + symbol with the same name. Unfortunately, this means + that we must look through the relocations. Ick. + + Logic for 32 bit vs 64 bit. + 32 bit has a csect length of 4 for TOC + 64 bit has a csect length of 8 for TOC + + The conditions to get past the if-check are not that bad. + They are what is used to create the TOC csects in the first + place. */ + if (aux.x_csect.x_smclas == XMC_TC + && sym.n_sclass == C_HIDEXT + && info->hash->creator == abfd->xvec + && ((bfd_xcoff_is_xcoff32 (abfd) + && aux.x_csect.x_scnlen.l == 4) + || (bfd_xcoff_is_xcoff64 (abfd) + && aux.x_csect.x_scnlen.l == 8))) + { + asection *enclosing; + struct internal_reloc *relocs; + bfd_size_type relindx; + struct internal_reloc *rel; - asection *enclosing; - struct internal_reloc *relocs; - bfd_size_type relindx; - struct internal_reloc *rel; + enclosing = coff_section_from_bfd_index (abfd, sym.n_scnum); + if (enclosing == NULL) + goto error_return; - enclosing = coff_section_from_bfd_index (abfd, sym.n_scnum); - if (enclosing == NULL) - goto error_return; + relocs = reloc_info[enclosing->target_index].relocs; + amt = enclosing->reloc_count; + relindx = xcoff_find_reloc (relocs, amt, sym.n_value); + rel = relocs + relindx; - relocs = reloc_info[enclosing->target_index].relocs; - relindx = xcoff_find_reloc (relocs, enclosing->reloc_count, - sym.n_value); - rel = relocs + relindx; - - /* - * 32 bit R_POS r_size is 31 - * 64 bit R_POS r_size is 63 - */ - if ((relindx < enclosing->reloc_count) && - (rel->r_vaddr == (bfd_vma) sym.n_value) && - (rel->r_type == R_POS) && - (((bfd_xcoff_is_xcoff32(abfd)) && - (rel->r_size == 31)) || - ((bfd_xcoff_is_xcoff64(abfd)) && - (rel->r_size == 63)))) { - - bfd_byte *erelsym; - - struct internal_syment relsym; - - erelsym = ((bfd_byte *) obj_coff_external_syms (abfd) - + rel->r_symndx * symesz); - bfd_coff_swap_sym_in (abfd, (PTR) erelsym, (PTR) &relsym); - if (relsym.n_sclass == C_EXT) { - const char *relname; - char relbuf[SYMNMLEN + 1]; - boolean copy; - struct xcoff_link_hash_entry *h; - - /* At this point we know that the TOC entry is - for an externally visible symbol. */ - - relname = _bfd_coff_internal_syment_name (abfd, &relsym, - relbuf); - if (relname == NULL) - goto error_return; - - /* We only merge TOC entries if the TC name is - the same as the symbol name. This handles - the normal case, but not common cases like - SYM.P4 which gcc generates to store SYM + 4 - in the TOC. FIXME. */ - - if (strcmp (name, relname) == 0) { - copy = (! info->keep_memory - || relsym._n._n_n._n_zeroes != 0 - || relsym._n._n_n._n_offset == 0); - h = xcoff_link_hash_lookup (xcoff_hash_table (info), - relname, true, copy, - false); - if (h == NULL) - goto error_return; - - /* At this point h->root.type could be - bfd_link_hash_new. That should be OK, - since we know for sure that we will come - across this symbol as we step through the - file. */ - - /* We store h in *sym_hash for the - convenience of the relocate_section - function. */ - *sym_hash = h; - - if (h->toc_section != NULL) { - asection **rel_csects; - - /* We already have a TOC entry for this - symbol, so we can just ignore this - one. */ - rel_csects = - reloc_info[enclosing->target_index].csects; - rel_csects[relindx] = bfd_und_section_ptr; - break; - } - - /* We are about to create a TOC entry for - this symbol. */ - set_toc = h; - } /* merge toc reloc */ - } /* c_ext */ - } /* reloc */ - } /* merge toc */ + /* 32 bit R_POS r_size is 31 + 64 bit R_POS r_size is 63 */ + if (relindx < enclosing->reloc_count + && rel->r_vaddr == (bfd_vma) sym.n_value + && rel->r_type == R_POS + && ((bfd_xcoff_is_xcoff32 (abfd) + && rel->r_size == 31) + || (bfd_xcoff_is_xcoff64 (abfd) + && rel->r_size == 63))) + { + bfd_byte *erelsym; + + struct internal_syment relsym; + + erelsym = ((bfd_byte *) obj_coff_external_syms (abfd) + + rel->r_symndx * symesz); + bfd_coff_swap_sym_in (abfd, (PTR) erelsym, (PTR) &relsym); + if (relsym.n_sclass == C_EXT) + { + const char *relname; + char relbuf[SYMNMLEN + 1]; + boolean copy; + struct xcoff_link_hash_entry *h; + + /* At this point we know that the TOC entry is + for an externally visible symbol. */ + + relname = _bfd_coff_internal_syment_name (abfd, &relsym, + relbuf); + if (relname == NULL) + goto error_return; + + /* We only merge TOC entries if the TC name is + the same as the symbol name. This handles + the normal case, but not common cases like + SYM.P4 which gcc generates to store SYM + 4 + in the TOC. FIXME. */ + + if (strcmp (name, relname) == 0) + { + copy = (! info->keep_memory + || relsym._n._n_n._n_zeroes != 0 + || relsym._n._n_n._n_offset == 0); + h = xcoff_link_hash_lookup (xcoff_hash_table (info), + relname, true, copy, + false); + if (h == NULL) + goto error_return; + + /* At this point h->root.type could be + bfd_link_hash_new. That should be OK, + since we know for sure that we will come + across this symbol as we step through the + file. */ + + /* We store h in *sym_hash for the + convenience of the relocate_section + function. */ + *sym_hash = h; + + if (h->toc_section != NULL) + { + asection **rel_csects; + + /* We already have a TOC entry for this + symbol, so we can just ignore this + one. */ + rel_csects = + reloc_info[enclosing->target_index].csects; + rel_csects[relindx] = bfd_und_section_ptr; + break; + } + + /* We are about to create a TOC entry for + this symbol. */ + set_toc = h; + } /* merge toc reloc */ + } /* c_ext */ + } /* reloc */ + } /* merge toc */ { @@ -1473,28 +1497,28 @@ xcoff_link_add_symbols (abfd, info) accumulate similar csects together. */ csect = bfd_xcoff_create_csect_from_smclas(abfd, &aux, name); - if (NULL == csect) { - goto error_return; - } + if (NULL == csect) + { + goto error_return; + } - /* - * The enclosing section is the main section : .data, .text - * or .bss that the csect is coming from - */ + /* The enclosing section is the main section : .data, .text + or .bss that the csect is coming from. */ enclosing = coff_section_from_bfd_index (abfd, sym.n_scnum); if (enclosing == NULL) goto error_return; - if (! bfd_is_abs_section (enclosing) && - ((bfd_vma) sym.n_value < enclosing->vma || - ((bfd_vma) sym.n_value + aux.x_csect.x_scnlen.l - > enclosing->vma + enclosing->_raw_size))) { - (*_bfd_error_handler) - (_("%s: csect `%s' not in enclosing section"), - bfd_get_filename (abfd), name); - bfd_set_error (bfd_error_bad_value); - goto error_return; - } + if (! bfd_is_abs_section (enclosing) + && ((bfd_vma) sym.n_value < enclosing->vma + || ((bfd_vma) sym.n_value + aux.x_csect.x_scnlen.l + > enclosing->vma + enclosing->_raw_size))) + { + (*_bfd_error_handler) + (_("%s: csect `%s' not in enclosing section"), + bfd_get_filename (abfd), name); + bfd_set_error (bfd_error_bad_value); + goto error_return; + } csect->vma = sym.n_value; csect->filepos = (enclosing->filepos + sym.n_value @@ -1505,46 +1529,48 @@ xcoff_link_add_symbols (abfd, info) /* Record the enclosing section in the tdata for this new section. */ - csect->used_by_bfd = - (PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata)); + amt = sizeof (struct coff_section_tdata); + csect->used_by_bfd = (PTR) bfd_zalloc (abfd, amt); if (csect->used_by_bfd == NULL) goto error_return; - coff_section_data (abfd, csect)->tdata = - bfd_zalloc (abfd, sizeof (struct xcoff_section_tdata)); + amt = sizeof (struct xcoff_section_tdata); + coff_section_data (abfd, csect)->tdata = bfd_zalloc (abfd, amt); if (coff_section_data (abfd, csect)->tdata == NULL) goto error_return; xcoff_section_data (abfd, csect)->enclosing = enclosing; xcoff_section_data (abfd, csect)->lineno_count = enclosing->lineno_count; - if (enclosing->owner == abfd) { - struct internal_reloc *relocs; - bfd_size_type relindx; - struct internal_reloc *rel; - asection **rel_csect; - - relocs = reloc_info[enclosing->target_index].relocs; - relindx = xcoff_find_reloc (relocs, enclosing->reloc_count, - csect->vma); + if (enclosing->owner == abfd) + { + struct internal_reloc *relocs; + bfd_size_type relindx; + struct internal_reloc *rel; + asection **rel_csect; + + relocs = reloc_info[enclosing->target_index].relocs; + amt = enclosing->reloc_count; + relindx = xcoff_find_reloc (relocs, amt, csect->vma); + + rel = relocs + relindx; + rel_csect = (reloc_info[enclosing->target_index].csects + + relindx); + + csect->rel_filepos = (enclosing->rel_filepos + + relindx * bfd_coff_relsz (abfd)); + while (relindx < enclosing->reloc_count + && *rel_csect == NULL + && rel->r_vaddr < csect->vma + csect->_raw_size) + { - rel = relocs + relindx; - rel_csect = (reloc_info[enclosing->target_index].csects - + relindx); - - csect->rel_filepos = (enclosing->rel_filepos - + relindx * bfd_coff_relsz (abfd)); - while (relindx < enclosing->reloc_count && - *rel_csect == NULL && - rel->r_vaddr < csect->vma + csect->_raw_size) { - - *rel_csect = csect; - csect->flags |= SEC_RELOC; - ++csect->reloc_count; - ++relindx; - ++rel; - ++rel_csect; + *rel_csect = csect; + csect->flags |= SEC_RELOC; + ++csect->reloc_count; + ++relindx; + ++rel; + ++rel_csect; + } } - } /* There are a number of other fields and section flags which we do not bother to set. */ @@ -1574,7 +1600,7 @@ xcoff_link_add_symbols (abfd, info) case XTY_LD: /* This is a label definition. The x_scnlen field is the - symbol index of the csect. Usually the XTY_LD symbol will + symbol index of the csect. Usually the XTY_LD symbol will follow its appropriate XTY_SD symbol. The .set pseudo op can cause the XTY_LD to not follow the XTY_SD symbol. */ { @@ -1621,16 +1647,17 @@ xcoff_link_add_symbols (abfd, info) / symesz); } - if (aux.x_csect.x_smclas == XMC_TD) { - /* - * The linker script puts the .td section in the data - * section after the .tc section - */ - csect = bfd_make_section_anyway (abfd, ".td"); + if (aux.x_csect.x_smclas == XMC_TD) + { + /* The linker script puts the .td section in the data + section after the .tc section. */ + csect = bfd_make_section_anyway (abfd, ".td"); - } else { - csect = bfd_make_section_anyway (abfd, ".bss"); - } + } + else + { + csect = bfd_make_section_anyway (abfd, ".bss"); + } if (csect == NULL) goto error_return; csect->vma = sym.n_value; @@ -1644,12 +1671,12 @@ xcoff_link_add_symbols (abfd, info) - (bfd_byte *) obj_coff_external_syms (abfd)) / symesz); - csect->used_by_bfd = - (PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata)); + amt = sizeof (struct coff_section_tdata); + csect->used_by_bfd = (PTR) bfd_zalloc (abfd, amt); if (csect->used_by_bfd == NULL) goto error_return; - coff_section_data (abfd, csect)->tdata = - bfd_zalloc (abfd, sizeof (struct xcoff_section_tdata)); + amt = sizeof (struct xcoff_section_tdata); + coff_section_data (abfd, csect)->tdata = bfd_zalloc (abfd, amt); if (coff_section_data (abfd, csect)->tdata == NULL) goto error_return; xcoff_section_data (abfd, csect)->first_symndx = csect_index; @@ -1669,31 +1696,36 @@ xcoff_link_add_symbols (abfd, info) } /* Check for magic symbol names. */ - if ((smtyp == XTY_SD || smtyp == XTY_CM) && - (aux.x_csect.x_smclas != XMC_TC) && - (aux.x_csect.x_smclas != XMC_TD)) { - - int i = -1; - - if (name[0] == '_') { - if (strcmp (name, "_text") == 0) - i = XCOFF_SPECIAL_SECTION_TEXT; - else if (strcmp (name, "_etext") == 0) - i = XCOFF_SPECIAL_SECTION_ETEXT; - else if (strcmp (name, "_data") == 0) - i = XCOFF_SPECIAL_SECTION_DATA; - else if (strcmp (name, "_edata") == 0) - i = XCOFF_SPECIAL_SECTION_EDATA; - else if (strcmp (name, "_end") == 0) - i = XCOFF_SPECIAL_SECTION_END; - } else if (name[0] == 'e' && strcmp (name, "end") == 0) { - i = XCOFF_SPECIAL_SECTION_END2; - } - - if (i != -1) { - xcoff_hash_table (info)->special_sections[i] = csect; - } - } + if ((smtyp == XTY_SD || smtyp == XTY_CM) + && aux.x_csect.x_smclas != XMC_TC + && aux.x_csect.x_smclas != XMC_TD) + { + + int i = -1; + + if (name[0] == '_') + { + if (strcmp (name, "_text") == 0) + i = XCOFF_SPECIAL_SECTION_TEXT; + else if (strcmp (name, "_etext") == 0) + i = XCOFF_SPECIAL_SECTION_ETEXT; + else if (strcmp (name, "_data") == 0) + i = XCOFF_SPECIAL_SECTION_DATA; + else if (strcmp (name, "_edata") == 0) + i = XCOFF_SPECIAL_SECTION_EDATA; + else if (strcmp (name, "_end") == 0) + i = XCOFF_SPECIAL_SECTION_END; + } + else if (name[0] == 'e' && strcmp (name, "end") == 0) + { + i = XCOFF_SPECIAL_SECTION_END2; + } + + if (i != -1) + { + xcoff_hash_table (info)->special_sections[i] = csect; + } + } /* Now we have enough information to add the symbol to the linker hash table. */ @@ -1736,7 +1768,7 @@ xcoff_link_add_symbols (abfd, info) shared object, which will cause symbol redefinitions, although this is an easier case to detect. */ - if (info->hash->creator == abfd->xvec) + if (info->hash->creator == abfd->xvec) { if (! bfd_is_und_section (section)) *sym_hash = xcoff_link_hash_lookup (xcoff_hash_table (info), @@ -1818,7 +1850,7 @@ xcoff_link_add_symbols (abfd, info) not an error. */ if (! ((*info->callbacks->multiple_definition) (info, (*sym_hash)->root.root.string, - (bfd *) NULL, (asection *) NULL, 0, + (bfd *) NULL, (asection *) NULL, (bfd_vma) 0, (*sym_hash)->root.u.def.section->owner, (*sym_hash)->root.u.def.section, (*sym_hash)->root.u.def.value))) @@ -1858,11 +1890,11 @@ xcoff_link_add_symbols (abfd, info) else { (*sym_hash)->root.u.c.p->alignment_power - = csect->alignment_power; + = csect->alignment_power; } } - if (info->hash->creator == abfd->xvec) + if (info->hash->creator == abfd->xvec) { int flag; @@ -1922,7 +1954,7 @@ xcoff_link_add_symbols (abfd, info) /* We identify all symbols which are called, so that we can create glue code for calls to functions imported from dynamic objects. */ - if (info->hash->creator == abfd->xvec + if (info->hash->creator == abfd->xvec && *rel_csect != bfd_und_section_ptr && (rel->r_type == R_BR || rel->r_type == R_RBR) @@ -2014,7 +2046,7 @@ xcoff_link_add_symbols (abfd, info) if (reloc_info[o->target_index].linenos != NULL) free (reloc_info[o->target_index].linenos); } - free (reloc_info); + free (reloc_info); } obj_coff_keep_syms (abfd) = keep_syms; return false; @@ -2045,15 +2077,15 @@ xcoff_link_add_dynamic_symbols (abfd, info) /* We can only handle a dynamic object if we are generating an XCOFF output file. */ - if (info->hash->creator != abfd->xvec) + if (info->hash->creator != abfd->xvec) { (*_bfd_error_handler) (_("%s: XCOFF shared object when not producing XCOFF output"), bfd_get_filename (abfd)); - bfd_set_error (bfd_error_invalid_operation); + bfd_set_error (bfd_error_invalid_operation); return false; } - + /* The symbols we use from a dynamic object are not the symbols in the normal symbol table, but, rather, the symbols in the export table. If there is a global symbol in a dynamic object which is @@ -2176,7 +2208,7 @@ xcoff_link_add_dynamic_symbols (abfd, info) { char *dsnm; - dsnm = bfd_malloc (strlen (name) + 2); + dsnm = bfd_malloc ((bfd_size_type) strlen (name) + 2); if (dsnm == NULL) return false; dsnm[0] = '.'; @@ -2227,7 +2259,7 @@ xcoff_link_add_dynamic_symbols (abfd, info) /* Record this file in the import files. */ n = ((struct xcoff_import_file *) - bfd_alloc (abfd, sizeof (struct xcoff_import_file))); + bfd_alloc (abfd, (bfd_size_type) sizeof (struct xcoff_import_file))); if (n == NULL) return false; n->next = NULL; @@ -2488,6 +2520,7 @@ bfd_xcoff_link_record_set (output_bfd, info, harg, size) { struct xcoff_link_hash_entry *h = (struct xcoff_link_hash_entry *) harg; struct xcoff_link_size_list *n; + bfd_size_type amt; if (bfd_get_flavour (output_bfd) != bfd_target_xcoff_flavour) return true; @@ -2496,8 +2529,8 @@ bfd_xcoff_link_record_set (output_bfd, info, harg, size) per global symbol, so instead the size is kept on a linked list attached to the hash table. */ - n = ((struct xcoff_link_size_list *) - bfd_alloc (output_bfd, sizeof (struct xcoff_link_size_list))); + amt = sizeof (struct xcoff_link_size_list); + n = (struct xcoff_link_size_list *) bfd_alloc (output_bfd, amt); if (n == NULL) return false; n->next = xcoff_hash_table (info)->size_list; @@ -2611,9 +2644,9 @@ bfd_xcoff_import_symbol (output_bfd, info, harg, val, imppath, impfile, if (*pp == NULL) { struct xcoff_import_file *n; + bfd_size_type amt = sizeof (struct xcoff_import_file); - n = ((struct xcoff_import_file *) - bfd_alloc (output_bfd, sizeof (struct xcoff_import_file))); + n = (struct xcoff_import_file *) bfd_alloc (output_bfd, amt); if (n == NULL) return false; n->next = NULL; @@ -2654,8 +2687,9 @@ bfd_xcoff_export_symbol (output_bfd, info, harg) { char *fnname; struct xcoff_link_hash_entry *hfn; + bfd_size_type amt = strlen (h->root.root.string) + 2; - fnname = (char *) bfd_malloc (strlen (h->root.root.string) + 2); + fnname = (char *) bfd_malloc (amt); if (fnname == NULL) return false; fnname[0] = '.'; @@ -2799,13 +2833,15 @@ bfd_xcoff_size_dynamic_sections (output_bfd, info, libpath, entry, bfd *sub; struct bfd_strtab_hash *debug_strtab; bfd_byte *debug_contents = NULL; + bfd_size_type amt; - if (bfd_get_flavour (output_bfd) != bfd_target_xcoff_flavour) { + if (bfd_get_flavour (output_bfd) != bfd_target_xcoff_flavour) + { - for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++) - special_sections[i] = NULL; - return true; - } + for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++) + special_sections[i] = NULL; + return true; + } ldinfo.failed = false; ldinfo.output_bfd = output_bfd; @@ -2823,77 +2859,77 @@ bfd_xcoff_size_dynamic_sections (output_bfd, info, libpath, entry, xcoff_hash_table (info)->file_align = file_align; xcoff_hash_table (info)->textro = textro; - if (entry == NULL) { - hentry = NULL; - } else { - hentry = xcoff_link_hash_lookup (xcoff_hash_table (info), entry, - false, false, true); - if (hentry != NULL) - hentry->flags |= XCOFF_ENTRY; - } + if (entry == NULL) + { + hentry = NULL; + } + else + { + hentry = xcoff_link_hash_lookup (xcoff_hash_table (info), entry, + false, false, true); + if (hentry != NULL) + hentry->flags |= XCOFF_ENTRY; + } /* __rtinit */ if (info->init_function || info->fini_function) { struct xcoff_link_hash_entry *hrtinit; struct internal_ldsym *ldsym; - hrtinit = xcoff_link_hash_lookup (xcoff_hash_table (info), + hrtinit = xcoff_link_hash_lookup (xcoff_hash_table (info), "__rtinit", false, false, true); - if (hrtinit != NULL) { - xcoff_mark_symbol (info, hrtinit); - hrtinit->flags |= (XCOFF_DEF_REGULAR | XCOFF_RTINIT); - } else { - (*_bfd_error_handler) - (_("error: undefined symbol __rtinit")); - - return false; - } + if (hrtinit != NULL) + { + xcoff_mark_symbol (info, hrtinit); + hrtinit->flags |= (XCOFF_DEF_REGULAR | XCOFF_RTINIT); + } + else + { + (*_bfd_error_handler) + (_("error: undefined symbol __rtinit")); + + return false; + } + + /* __rtinit initalized here + Some information, like the location of the .initfini seciton will + be filled in later. + + name or offset taken care of below with bfd_xcoff_put_ldsymbol_name. */ + amt = sizeof (struct internal_ldsym); + ldsym = (struct internal_ldsym *) bfd_malloc (amt); - /* - * - * __rtinit initalized here - * Some information, like the location of the .initfini seciton will - * be filled in later - * - * name or offset taken case of below with bfd_xcoff_put_ldsymbol_name - */ - ldsym = (struct internal_ldsym *) - bfd_malloc(sizeof (struct internal_ldsym)); - ldsym->l_value = 0; /* will be filled in later */ ldsym->l_scnum = 2; /* data section */ ldsym->l_smtype = XTY_SD; /* csect section definition */ ldsym->l_smclas = 5; /* .rw */ ldsym->l_ifile = 0; /* special system loader symbol */ ldsym->l_parm = 0; /* NA */ - - /* - * Force __rtinit to be the first symbol in the loader symbol table - * See xcoff_build_ldsyms - * - * The first 3 symbol table indices are reserved to indicate the data, - * text and bss sections. - */ + + /* Force __rtinit to be the first symbol in the loader symbol table + See xcoff_build_ldsyms + + The first 3 symbol table indices are reserved to indicate the data, + text and bss sections. */ BFD_ASSERT (0 == ldinfo.ldsym_count); - + hrtinit->ldindx = 3; ldinfo.ldsym_count = 1; hrtinit->ldsym = ldsym; - + if (false == bfd_xcoff_put_ldsymbol_name (ldinfo.output_bfd, &ldinfo, - hrtinit->ldsym, - hrtinit->root.root.string)) { - return false; - } + hrtinit->ldsym, + hrtinit->root.root.string)) + { + return false; + } - /* - * This symbol is written out by xcoff_write_global_symbol - * Set stuff up so xcoff_write_global_symbol logic works. - */ + /* This symbol is written out by xcoff_write_global_symbol + Set stuff up so xcoff_write_global_symbol logic works. */ hrtinit->flags |= XCOFF_DEF_REGULAR | XCOFF_MARK; hrtinit->root.type = bfd_link_hash_defined; - hrtinit->root.u.def.value = 0; + hrtinit->root.u.def.value = 0; } /* Garbage collect unused sections. */ @@ -2931,22 +2967,24 @@ bfd_xcoff_size_dynamic_sections (output_bfd, info, libpath, entry, } /* Return special sections to the caller. */ - for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++) { - asection *sec; - - sec = xcoff_hash_table (info)->special_sections[i]; - - if ((sec != NULL) && - (gc && (sec->flags & SEC_MARK) == 0)) { - sec = NULL; + for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++) + { + sec = xcoff_hash_table (info)->special_sections[i]; + + if (sec != NULL + && gc + && (sec->flags & SEC_MARK) == 0) + { + sec = NULL; + } + special_sections[i] = sec; } - special_sections[i] = sec; - } - if (info->input_bfds == NULL) { - /* I'm not sure what to do in this bizarre case. */ - return true; - } + if (info->input_bfds == NULL) + { + /* I'm not sure what to do in this bizarre case. */ + return true; + } xcoff_link_hash_traverse (xcoff_hash_table (info), xcoff_build_ldsyms, (PTR) &ldinfo); @@ -2987,14 +3025,13 @@ bfd_xcoff_size_dynamic_sections (output_bfd, info, libpath, entry, else ldhdr->l_stoff = stoff; - /* - * 64 bit elements to ldhdr - * The swap out routine for 32 bit will ignore them. - * Nothing fancy, symbols come after the header and relocs come after symbols - */ - ldhdr->l_symoff = bfd_xcoff_ldhdrsz(output_bfd); - ldhdr->l_rldoff = bfd_xcoff_ldhdrsz(output_bfd) + - (ldhdr->l_nsyms * bfd_xcoff_ldsymsz(output_bfd)); + /* 64 bit elements to ldhdr + The swap out routine for 32 bit will ignore them. + Nothing fancy, symbols come after the header and relocs come + after symbols. */ + ldhdr->l_symoff = bfd_xcoff_ldhdrsz (output_bfd); + ldhdr->l_rldoff = (bfd_xcoff_ldhdrsz (output_bfd) + + ldhdr->l_nsyms * bfd_xcoff_ldsymsz (output_bfd)); /* We now know the final size of the .loader section. Allocate space for it. */ @@ -3044,7 +3081,7 @@ bfd_xcoff_size_dynamic_sections (output_bfd, info, libpath, entry, symbols are written out in xcoff_link_input_bfd or xcoff_write_global_symbol. The .loader relocs are written out when the corresponding normal relocs are handled in - xcoff_link_input_bfd. + xcoff_link_input_bfd. */ /* Allocate space for the magic sections. */ @@ -3190,15 +3227,16 @@ xcoff_build_ldsyms (h, p) PTR p; { struct xcoff_loader_info *ldinfo = (struct xcoff_loader_info *) p; - - /* - * __rtinit - * Special handling of this symbol to make is the first symbol in the - * loader symbol table. Make sure this pass through does not undo it - */ - if (h->flags & XCOFF_RTINIT) { - return true; - } + bfd_size_type amt; + + /* __rtinit + Special handling of this symbol to make is the first symbol in + the loader symbol table. Make sure this pass through does not + undo it. */ + if (h->flags & XCOFF_RTINIT) + { + return true; + } /* If this is a final link, and the symbol was defined as a common symbol in a regular object file, and there was no definition in @@ -3305,36 +3343,38 @@ xcoff_build_ldsyms (h, p) || hds->root.type == bfd_link_hash_undefweak) && (hds->flags & XCOFF_DEF_REGULAR) == 0); hds->flags |= XCOFF_MARK; - if (hds->toc_section == NULL) { - int byte_size; - - /* - * 32 vs 64 - * xcoff32 uses 4 bytes in the toc - * xcoff64 uses 8 bytes in the toc - */ - if (bfd_xcoff_is_xcoff64(ldinfo->output_bfd)) { - byte_size = 8; - } else if (bfd_xcoff_is_xcoff32(ldinfo->output_bfd)) { - byte_size = 4; - } else { - return false; - } + if (hds->toc_section == NULL) + { + int byte_size; - hds->toc_section = xcoff_hash_table (ldinfo->info)->toc_section; - hds->u.toc_offset = hds->toc_section->_raw_size; - hds->toc_section->_raw_size += byte_size; - ++xcoff_hash_table (ldinfo->info)->ldrel_count; - ++hds->toc_section->reloc_count; - hds->indx = -2; - hds->flags |= XCOFF_SET_TOC | XCOFF_LDREL; - - /* - * We need to call xcoff_build_ldsyms recursively here, - * because we may already have passed hds on the traversal. - */ - xcoff_build_ldsyms (hds, p); - } + /* 32 vs 64 + xcoff32 uses 4 bytes in the toc. + xcoff64 uses 8 bytes in the toc. */ + if (bfd_xcoff_is_xcoff64 (ldinfo->output_bfd)) + { + byte_size = 8; + } + else if (bfd_xcoff_is_xcoff32 (ldinfo->output_bfd)) + { + byte_size = 4; + } + else + { + return false; + } + + hds->toc_section = xcoff_hash_table (ldinfo->info)->toc_section; + hds->u.toc_offset = hds->toc_section->_raw_size; + hds->toc_section->_raw_size += byte_size; + ++xcoff_hash_table (ldinfo->info)->ldrel_count; + ++hds->toc_section->reloc_count; + hds->indx = -2; + hds->flags |= XCOFF_SET_TOC | XCOFF_LDREL; + + /* We need to call xcoff_build_ldsyms recursively here, + because we may already have passed hds on the traversal. */ + xcoff_build_ldsyms (hds, p); + } } /* If this symbol is exported, but not defined, we need to try to @@ -3364,24 +3404,18 @@ xcoff_build_ldsyms (h, p) h->smclas = XMC_DS; h->flags |= XCOFF_DEF_REGULAR; - /* - * The size of the function descriptor depends if this is an - * xcoff32 (12) or xcoff64 (24) - */ - sec->_raw_size += + /* The size of the function descriptor depends if this is an + xcoff32 (12) or xcoff64 (24). */ + sec->_raw_size += bfd_xcoff_function_descriptor_size(ldinfo->output_bfd); - /* - * A function descriptor uses two relocs: one for the - * associated code, and one for the TOC address. - */ + /* A function descriptor uses two relocs: one for the + associated code, and one for the TOC address. */ xcoff_hash_table (ldinfo->info)->ldrel_count += 2; sec->reloc_count += 2; - /* - * We handle writing out the contents of the descriptor in - * xcoff_write_global_symbol. - */ + /* We handle writing out the contents of the descriptor in + xcoff_write_global_symbol. */ } else { @@ -3438,9 +3472,8 @@ xcoff_build_ldsyms (h, p) /* We need to add this symbol to the .loader symbols. */ BFD_ASSERT (h->ldsym == NULL); - h->ldsym = ((struct internal_ldsym *) - bfd_zalloc (ldinfo->output_bfd, - sizeof (struct internal_ldsym))); + amt = sizeof (struct internal_ldsym); + h->ldsym = (struct internal_ldsym *) bfd_zalloc (ldinfo->output_bfd, amt); if (h->ldsym == NULL) { ldinfo->failed = true; @@ -3450,19 +3483,18 @@ xcoff_build_ldsyms (h, p) if ((h->flags & XCOFF_IMPORT) != 0) h->ldsym->l_ifile = h->ldindx; - /* - * The first 3 symbol table indices are reserved to indicate the data, - * text and bss sections. - */ + /* The first 3 symbol table indices are reserved to indicate the + data, text and bss sections. */ h->ldindx = ldinfo->ldsym_count + 3; ++ldinfo->ldsym_count; if (false == bfd_xcoff_put_ldsymbol_name (ldinfo->output_bfd, ldinfo, - h->ldsym, - h->root.root.string)) { - return false; - } + h->ldsym, + h->root.root.string)) + { + return false; + } h->flags |= XCOFF_BUILT_LDSYM; @@ -3480,11 +3512,11 @@ _bfd_xcoff_bfd_final_link (abfd, info) struct xcoff_final_link_info finfo; asection *o; struct bfd_link_order *p; - size_t max_contents_size; - size_t max_sym_count; - size_t max_lineno_count; - size_t max_reloc_count; - size_t max_output_reloc_count; + bfd_size_type 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; file_ptr rel_filepos; unsigned int relsz; file_ptr line_filepos; @@ -3492,6 +3524,8 @@ _bfd_xcoff_bfd_final_link (abfd, info) bfd *sub; bfd_byte *external_relocs = NULL; char strbuf[STRING_SIZE_SIZE]; + file_ptr pos; + bfd_size_type amt; if (info->shared) abfd->flags |= DYNAMIC; @@ -3511,11 +3545,12 @@ _bfd_xcoff_bfd_final_link (abfd, info) finfo.contents = NULL; finfo.external_relocs = NULL; - finfo.ldsym = xcoff_hash_table (info)->loader_section->contents + - bfd_xcoff_ldhdrsz(abfd); - finfo.ldrel = xcoff_hash_table (info)->loader_section->contents + - bfd_xcoff_ldhdrsz(abfd) + - xcoff_hash_table (info)->ldhdr.l_nsyms * bfd_xcoff_ldsymsz(abfd); + finfo.ldsym = (xcoff_hash_table (info)->loader_section->contents + + bfd_xcoff_ldhdrsz (abfd)); + finfo.ldrel = (xcoff_hash_table (info)->loader_section->contents + + bfd_xcoff_ldhdrsz(abfd) + + (xcoff_hash_table (info)->ldhdr.l_nsyms + * bfd_xcoff_ldsymsz(abfd))); xcoff_data (abfd)->coff.link_info = info; @@ -3635,16 +3670,14 @@ _bfd_xcoff_bfd_final_link (abfd, info) sofar = bfd_coff_filhsz (abfd); sofar += bfd_coff_aoutsz (abfd); sofar += abfd->section_count * bfd_coff_scnhsz (abfd); - for (o = abfd->sections; o != NULL; o = o->next) { - if ((true == - bfd_xcoff_is_reloc_count_overflow(abfd, o->reloc_count)) || - (true == - bfd_xcoff_is_lineno_count_overflow(abfd, o->lineno_count))) { - + for (o = abfd->sections; o != NULL; o = o->next) + if ((bfd_xcoff_is_reloc_count_overflow + (abfd, (bfd_vma) o->reloc_count)) + || (bfd_xcoff_is_lineno_count_overflow + (abfd, (bfd_vma) o->lineno_count))) /* 64 does not overflow, need to check if 32 does */ sofar += bfd_coff_scnhsz (abfd); - } - } + for (o = abfd->sections; o != NULL; o = o->next) { if (strcmp (o->name, ".pad") == 0) @@ -3679,10 +3712,9 @@ _bfd_xcoff_bfd_final_link (abfd, info) /* We use section_count + 1, rather than section_count, because the target_index fields are 1 based. */ - finfo.section_info = - ((struct xcoff_link_section_info *) - bfd_malloc ((abfd->section_count + 1) - * sizeof (struct xcoff_link_section_info))); + amt = abfd->section_count + 1; + amt *= sizeof (struct xcoff_link_section_info); + finfo.section_info = (struct xcoff_link_section_info *) bfd_malloc (amt); if (finfo.section_info == NULL) goto error_return; for (i = 0; i <= abfd->section_count; i++) @@ -3728,13 +3760,16 @@ _bfd_xcoff_bfd_final_link (abfd, info) memory until the end of the link. This wastes memory. We could backpatch the file later, I suppose, although it would be slow. */ + amt = o->reloc_count; + amt *= sizeof (struct internal_reloc); finfo.section_info[o->target_index].relocs = - ((struct internal_reloc *) - bfd_malloc (o->reloc_count * sizeof (struct internal_reloc))); + (struct internal_reloc *) bfd_malloc (amt); + + amt = o->reloc_count; + amt *= sizeof (struct xcoff_link_hash_entry *); finfo.section_info[o->target_index].rel_hashes = - ((struct xcoff_link_hash_entry **) - bfd_malloc (o->reloc_count - * sizeof (struct xcoff_link_hash_entry *))); + (struct xcoff_link_hash_entry **) bfd_malloc (amt); + if (finfo.section_info[o->target_index].relocs == NULL || finfo.section_info[o->target_index].rel_hashes == NULL) goto error_return; @@ -3774,7 +3809,7 @@ _bfd_xcoff_bfd_final_link (abfd, info) max_sym_count = 6; for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) { - size_t sz; + bfd_size_type sz; sub->output_has_begun = false; sz = obj_raw_syment_count (sub); @@ -3783,17 +3818,24 @@ _bfd_xcoff_bfd_final_link (abfd, info) } /* Allocate some buffers used while linking. */ - finfo.internal_syms = ((struct internal_syment *) - bfd_malloc (max_sym_count - * sizeof (struct internal_syment))); - - 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); + amt = max_sym_count * sizeof (struct internal_syment); + finfo.internal_syms = (struct internal_syment *) bfd_malloc (amt); + + amt = max_sym_count * sizeof (long); + finfo.sym_indices = (long *) bfd_malloc (amt); + + amt = (max_sym_count + 1) * symesz; + finfo.outsyms = (bfd_byte *) bfd_malloc (amt); + + amt = max_lineno_count * bfd_coff_linesz (abfd); + finfo.linenos = (bfd_byte *) bfd_malloc (amt); + + amt = max_contents_size; + finfo.contents = (bfd_byte *) bfd_malloc (amt); + + amt = max_reloc_count * relsz; + finfo.external_relocs = (bfd_byte *) bfd_malloc (amt); + if ((finfo.internal_syms == NULL && max_sym_count > 0) || (finfo.sym_indices == NULL && max_sym_count > 0) || finfo.outsyms == NULL @@ -3842,49 +3884,54 @@ _bfd_xcoff_bfd_final_link (abfd, info) /* Free up the buffers used by xcoff_link_input_bfd. */ - if (finfo.internal_syms != NULL) { - free (finfo.internal_syms); - finfo.internal_syms = NULL; - } - if (finfo.sym_indices != NULL) { - free (finfo.sym_indices); - finfo.sym_indices = NULL; - } - if (finfo.linenos != NULL) { - free (finfo.linenos); - finfo.linenos = NULL; - } - if (finfo.contents != NULL) { - free (finfo.contents); - finfo.contents = NULL; - } - if (finfo.external_relocs != NULL) { - free (finfo.external_relocs); - finfo.external_relocs = NULL; - } + if (finfo.internal_syms != NULL) + { + free (finfo.internal_syms); + finfo.internal_syms = NULL; + } + if (finfo.sym_indices != NULL) + { + free (finfo.sym_indices); + finfo.sym_indices = NULL; + } + if (finfo.linenos != NULL) + { + free (finfo.linenos); + finfo.linenos = NULL; + } + if (finfo.contents != NULL) + { + free (finfo.contents); + finfo.contents = NULL; + } + if (finfo.external_relocs != NULL) + { + free (finfo.external_relocs); + finfo.external_relocs = NULL; + } /* The value of the last C_FILE symbol is supposed to be -1. Write it out again. */ - if (finfo.last_file_index != -1) { - finfo.last_file.n_value = -1; - 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) - goto error_return; - } + if (finfo.last_file_index != -1) + { + finfo.last_file.n_value = -(bfd_vma) 1; + bfd_coff_swap_sym_out (abfd, (PTR) &finfo.last_file, + (PTR) finfo.outsyms); + pos = obj_sym_filepos (abfd) + finfo.last_file_index * symesz; + if (bfd_seek (abfd, pos, SEEK_SET) != 0 + || bfd_bwrite (finfo.outsyms, symesz, abfd) != symesz) + goto error_return; + } /* init-fini */ - if (info->init_function || info->fini_function) { - struct xcoff_link_hash_entry *hrtinit; + if (info->init_function || info->fini_function) + { + struct xcoff_link_hash_entry *hrtinit; - hrtinit = xcoff_link_hash_lookup (xcoff_hash_table (info), - "__rtinit", - false, false, true); - } + hrtinit = xcoff_link_hash_lookup (xcoff_hash_table (info), + "__rtinit", + false, false, true); + } /* Write out all the global symbols which do not come from XCOFF @@ -3902,132 +3949,145 @@ _bfd_xcoff_bfd_final_link (abfd, info) /* 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 && max_output_reloc_count != 0) goto error_return; - for (o = abfd->sections; o != NULL; o = o->next) { - struct internal_reloc *irel; - struct internal_reloc *irelend; - struct xcoff_link_hash_entry **rel_hash; - struct xcoff_toc_rel_hash *toc_rel_hash; - bfd_byte *erel; - - /* A stripped file has no relocs. */ - if (info->strip == strip_all) { - o->reloc_count = 0; - continue; - } - - if (o->reloc_count == 0) - continue; - - irel = finfo.section_info[o->target_index].relocs; - irelend = irel + o->reloc_count; - rel_hash = finfo.section_info[o->target_index].rel_hashes; - for (; irel < irelend; irel++, rel_hash++, erel += relsz) { - if (*rel_hash != NULL) { - if ((*rel_hash)->indx < 0) { - if (! ((*info->callbacks->unattached_reloc) - (info, (*rel_hash)->root.root.string, - (bfd *) NULL, o, irel->r_vaddr))) - goto error_return; - (*rel_hash)->indx = 0; + for (o = abfd->sections; o != NULL; o = o->next) + { + struct internal_reloc *irel; + struct internal_reloc *irelend; + struct xcoff_link_hash_entry **rel_hash; + struct xcoff_toc_rel_hash *toc_rel_hash; + bfd_byte *erel; + bfd_size_type rel_size; + + /* A stripped file has no relocs. */ + if (info->strip == strip_all) + { + o->reloc_count = 0; + continue; } - irel->r_symndx = (*rel_hash)->indx; - } - } - for (toc_rel_hash = finfo.section_info[o->target_index].toc_rel_hashes; - toc_rel_hash != NULL; - toc_rel_hash = toc_rel_hash->next) { - if (toc_rel_hash->h->u.toc_indx < 0) { - if (! ((*info->callbacks->unattached_reloc) - (info, toc_rel_hash->h->root.root.string, - (bfd *) NULL, o, toc_rel_hash->rel->r_vaddr))) - goto error_return; - toc_rel_hash->h->u.toc_indx = 0; - } - toc_rel_hash->rel->r_symndx = toc_rel_hash->h->u.toc_indx; - } + if (o->reloc_count == 0) + continue; - /* XCOFF requires that the relocs be sorted by address. We tend - to produce them in the order in which their containing csects - appear in the symbol table, which is not necessarily by - address. So we sort them here. There may be a better way to - do this. */ - qsort ((PTR) finfo.section_info[o->target_index].relocs, - o->reloc_count, sizeof (struct internal_reloc), - xcoff_sort_relocs); - - irel = finfo.section_info[o->target_index].relocs; - irelend = irel + o->reloc_count; - erel = external_relocs; - for (; irel < irelend; irel++, rel_hash++, erel += relsz) - bfd_coff_swap_reloc_out (abfd, (PTR) irel, (PTR) 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) - goto error_return; - } + irel = finfo.section_info[o->target_index].relocs; + irelend = irel + o->reloc_count; + rel_hash = finfo.section_info[o->target_index].rel_hashes; + for (; irel < irelend; irel++, rel_hash++, erel += relsz) + { + if (*rel_hash != NULL) + { + if ((*rel_hash)->indx < 0) + { + if (! ((*info->callbacks->unattached_reloc) + (info, (*rel_hash)->root.root.string, + (bfd *) NULL, o, irel->r_vaddr))) + goto error_return; + (*rel_hash)->indx = 0; + } + irel->r_symndx = (*rel_hash)->indx; + } + } - if (external_relocs != NULL) { - free (external_relocs); - external_relocs = NULL; - } + for (toc_rel_hash = finfo.section_info[o->target_index].toc_rel_hashes; + toc_rel_hash != NULL; + toc_rel_hash = toc_rel_hash->next) + { + if (toc_rel_hash->h->u.toc_indx < 0) + { + if (! ((*info->callbacks->unattached_reloc) + (info, toc_rel_hash->h->root.root.string, + (bfd *) NULL, o, toc_rel_hash->rel->r_vaddr))) + goto error_return; + toc_rel_hash->h->u.toc_indx = 0; + } + toc_rel_hash->rel->r_symndx = toc_rel_hash->h->u.toc_indx; + } + + /* XCOFF requires that the relocs be sorted by address. We tend + to produce them in the order in which their containing csects + appear in the symbol table, which is not necessarily by + address. So we sort them here. There may be a better way to + do this. */ + qsort ((PTR) finfo.section_info[o->target_index].relocs, + o->reloc_count, sizeof (struct internal_reloc), + xcoff_sort_relocs); + + irel = finfo.section_info[o->target_index].relocs; + irelend = irel + o->reloc_count; + erel = external_relocs; + for (; irel < irelend; irel++, rel_hash++, erel += relsz) + bfd_coff_swap_reloc_out (abfd, (PTR) irel, (PTR) erel); + + rel_size = relsz * o->reloc_count; + if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0 + || bfd_bwrite ((PTR) external_relocs, rel_size, abfd) != rel_size) + goto error_return; + } + + if (external_relocs != NULL) + { + free (external_relocs); + external_relocs = NULL; + } /* Free up the section information. */ - if (finfo.section_info != NULL) { - unsigned int i; + if (finfo.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); + 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); + } + free (finfo.section_info); + finfo.section_info = NULL; } - free (finfo.section_info); - finfo.section_info = NULL; - } /* Write out the loader section contents. */ BFD_ASSERT ((bfd_byte *) finfo.ldrel == (xcoff_hash_table (info)->loader_section->contents + xcoff_hash_table (info)->ldhdr.l_impoff)); o = xcoff_hash_table (info)->loader_section; - if (! bfd_set_section_contents (abfd, o->output_section, - o->contents, o->output_offset, - o->_raw_size)) + if (! bfd_set_section_contents (abfd, o->output_section, o->contents, + (file_ptr) o->output_offset, o->_raw_size)) goto error_return; /* Write out the magic sections. */ o = xcoff_hash_table (info)->linkage_section; if (o->_raw_size > 0 && ! bfd_set_section_contents (abfd, o->output_section, o->contents, - o->output_offset, o->_raw_size)) + (file_ptr) o->output_offset, + o->_raw_size)) goto error_return; o = xcoff_hash_table (info)->toc_section; if (o->_raw_size > 0 && ! bfd_set_section_contents (abfd, o->output_section, o->contents, - o->output_offset, o->_raw_size)) + (file_ptr) o->output_offset, + o->_raw_size)) goto error_return; o = xcoff_hash_table (info)->descriptor_section; if (o->_raw_size > 0 && ! bfd_set_section_contents (abfd, o->output_section, o->contents, - o->output_offset, o->_raw_size)) + (file_ptr) o->output_offset, + o->_raw_size)) goto error_return; /* Write out the string table. */ - if (bfd_seek (abfd, - (obj_sym_filepos (abfd) - + obj_raw_syment_count (abfd) * symesz), - SEEK_SET) != 0) + pos = obj_sym_filepos (abfd) + obj_raw_syment_count (abfd) * symesz; + if (bfd_seek (abfd, pos, SEEK_SET) != 0) goto error_return; - bfd_h_put_32 (abfd, - _bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE, - (bfd_byte *) strbuf); - if (bfd_write (strbuf, 1, STRING_SIZE_SIZE, abfd) != STRING_SIZE_SIZE) + H_PUT_32 (abfd, + _bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE, + strbuf); + amt = STRING_SIZE_SIZE; + if (bfd_bwrite (strbuf, amt, abfd) != amt) goto error_return; if (! _bfd_stringtab_emit (abfd, finfo.strtab)) goto error_return; @@ -4036,42 +4096,44 @@ _bfd_xcoff_bfd_final_link (abfd, info) /* Write out the debugging string table. */ o = xcoff_hash_table (info)->debug_section; - if (o != NULL) { - struct bfd_strtab_hash *debug_strtab; - - debug_strtab = xcoff_hash_table (info)->debug_strtab; - BFD_ASSERT (o->output_section->_raw_size - o->output_offset - >= _bfd_stringtab_size (debug_strtab)); - if (bfd_seek (abfd, - o->output_section->filepos + o->output_offset, - SEEK_SET) != 0) - goto error_return; - if (! _bfd_stringtab_emit (abfd, debug_strtab)) - goto error_return; - } - + if (o != NULL) + { + struct bfd_strtab_hash *debug_strtab; + + debug_strtab = xcoff_hash_table (info)->debug_strtab; + BFD_ASSERT (o->output_section->_raw_size - o->output_offset + >= _bfd_stringtab_size (debug_strtab)); + pos = o->output_section->filepos + o->output_offset; + if (bfd_seek (abfd, pos, SEEK_SET) != 0) + goto error_return; + if (! _bfd_stringtab_emit (abfd, debug_strtab)) + goto error_return; + } + /* 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; error_return: if (finfo.strtab != NULL) _bfd_stringtab_free (finfo.strtab); - - if (finfo.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 (finfo.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); + } + free (finfo.section_info); } - free (finfo.section_info); - } - + if (finfo.internal_syms != NULL) free (finfo.internal_syms); if (finfo.sym_indices != NULL) @@ -4272,17 +4334,19 @@ xcoff_link_input_bfd (finfo, input_bfd) BFD_ASSERT (h->ldindx >= 0); bfd_xcoff_swap_ldsym_out (finfo->output_bfd, ldsym, - finfo->ldsym + (h->ldindx - 3) * - bfd_xcoff_ldsymsz(finfo->output_bfd)); + (finfo->ldsym + + ((h->ldindx - 3) + * bfd_xcoff_ldsymsz (finfo->output_bfd)))); h->ldsym = NULL; /* Fill in snentry now that we know the target_index. */ - if ((h->flags & XCOFF_ENTRY) != 0 && - (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak)) { - xcoff_data (output_bfd)->snentry = - h->root.u.def.section->output_section->target_index; - } + if ((h->flags & XCOFF_ENTRY) != 0 + && (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak)) + { + xcoff_data (output_bfd)->snentry = + h->root.u.def.section->output_section->target_index; + } } *indexp = -1; @@ -4337,7 +4401,6 @@ xcoff_link_input_bfd (finfo, input_bfd) inp != NULL; inp = inp->link_next) { - asection *o; for (o = inp->sections; o != NULL; o = o->next) if (strcmp (o->name, ".tocbss") == 0) @@ -4375,7 +4438,7 @@ xcoff_link_input_bfd (finfo, input_bfd) xcoff_data (finfo->output_bfd)->sntoc = (*csectpp)->output_section->target_index; require = true; - + } } @@ -4520,14 +4583,16 @@ xcoff_link_input_bfd (finfo, input_bfd) /* We have already written out the last C_FILE symbol. We need to write it out again. We borrow *outsym temporarily. */ + file_ptr pos; + 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) + + pos = obj_sym_filepos (output_bfd); + pos += finfo->last_file_index * osymesz; + if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 + || (bfd_bwrite (outsym, osymesz, output_bfd) != osymesz)) return false; } @@ -4692,20 +4757,22 @@ xcoff_link_input_bfd (finfo, input_bfd) if (SMTYP_SMTYP (aux.x_csect.x_smtyp) == XTY_LD) { - bfd_signed_vma indx; + unsigned long indx; - - indx = aux.x_csect.x_scnlen.l; + indx = aux.x_csect.x_scnlen.l; if (indx < obj_raw_syment_count (input_bfd)) { long symindx; symindx = finfo->sym_indices[indx]; - if (symindx < 0) { - aux.x_csect.x_scnlen.l = 0; - } else { - aux.x_csect.x_scnlen.l = symindx; - } + if (symindx < 0) + { + aux.x_csect.x_scnlen.l = 0; + } + else + { + aux.x_csect.x_scnlen.l = symindx; + } } } } @@ -4777,12 +4844,11 @@ xcoff_link_input_bfd (finfo, input_bfd) enc_count = xcoff_section_data (abfd, o)->lineno_count; if (oline != enclosing) { - if (bfd_seek (input_bfd, - enclosing->line_filepos, - SEEK_SET) != 0 - || (bfd_read (finfo->linenos, linesz, - enc_count, input_bfd) - != linesz * enc_count)) + file_ptr pos = enclosing->line_filepos; + bfd_size_type amt = linesz * enc_count; + if (bfd_seek (input_bfd, pos, SEEK_SET) != 0 + || (bfd_bread (finfo->linenos, amt, input_bfd) + != amt)) return false; oline = enclosing; } @@ -4840,8 +4906,8 @@ xcoff_link_input_bfd (finfo, input_bfd) if (bfd_seek (output_bfd, aux.x_sym.x_fcnary.x_fcn.x_lnnoptr, SEEK_SET) != 0 - || (bfd_write (finfo->linenos + linoff, - linesz, count, output_bfd) + || (bfd_bwrite (finfo->linenos + linoff, + linesz * count, output_bfd) != linesz * count)) return false; @@ -4930,12 +4996,10 @@ xcoff_link_input_bfd (finfo, input_bfd) /* Write the modified symbols to the output file. */ if (outsym > finfo->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))) + file_ptr pos = obj_sym_filepos (output_bfd) + syment_base * osymesz; + bfd_size_type amt = outsym - finfo->outsyms; + if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 + || bfd_bwrite (finfo->outsyms, amt, output_bfd) != amt) return false; BFD_ASSERT ((obj_raw_syment_count (output_bfd) @@ -4950,318 +5014,323 @@ xcoff_link_input_bfd (finfo, input_bfd) obj_coff_keep_syms (input_bfd) = true; /* Relocate the contents of each section. */ - for (o = input_bfd->sections; o != NULL; o = o->next) { - - bfd_byte *contents; + for (o = input_bfd->sections; o != NULL; o = o->next) + { - if (! o->linker_mark){ - /* This section was omitted from the link. */ - continue; - } + bfd_byte *contents; - if ((o->flags & SEC_HAS_CONTENTS) == 0 - || o->_raw_size == 0 - || (o->flags & SEC_IN_MEMORY) != 0) - continue; - - /* We have set filepos correctly for the sections we created to - represent csects, so bfd_get_section_contents should work. */ - if (coff_section_data (input_bfd, o) != NULL - && coff_section_data (input_bfd, o)->contents != NULL) - contents = coff_section_data (input_bfd, o)->contents; - else { - if (! bfd_get_section_contents (input_bfd, o, finfo->contents, - (file_ptr) 0, o->_raw_size)) - return false; - contents = finfo->contents; - } + if (! o->linker_mark) + { + /* This section was omitted from the link. */ + continue; + } - if ((o->flags & SEC_RELOC) != 0) { - int target_index; - struct internal_reloc *internal_relocs; - struct internal_reloc *irel; - bfd_vma offset; - struct internal_reloc *irelend; - struct xcoff_link_hash_entry **rel_hash; - long r_symndx; - - /* Read in the relocs. */ - target_index = o->output_section->target_index; - internal_relocs = (xcoff_read_internal_relocs - (input_bfd, o, false, finfo->external_relocs, - true, - (finfo->section_info[target_index].relocs - + o->output_section->reloc_count))); - if (internal_relocs == NULL) - return false; + if ((o->flags & SEC_HAS_CONTENTS) == 0 + || o->_raw_size == 0 + || (o->flags & SEC_IN_MEMORY) != 0) + continue; - /* Call processor specific code to relocate the section - contents. */ - if (! bfd_coff_relocate_section (output_bfd, finfo->info, - input_bfd, o, - contents, - internal_relocs, - finfo->internal_syms, - xcoff_data (input_bfd)->csects)) - return false; + /* We have set filepos correctly for the sections we created to + represent csects, so bfd_get_section_contents should work. */ + if (coff_section_data (input_bfd, o) != NULL + && coff_section_data (input_bfd, o)->contents != NULL) + contents = coff_section_data (input_bfd, o)->contents; + else { + if (! bfd_get_section_contents (input_bfd, o, finfo->contents, + (file_ptr) 0, o->_raw_size)) + return false; + contents = finfo->contents; + } - 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 - + o->output_section->reloc_count); - for (; irel < irelend; irel++, rel_hash++) { - struct xcoff_link_hash_entry *h = NULL; - struct internal_ldrel ldrel; - boolean quiet; + if ((o->flags & SEC_RELOC) != 0) + { + int target_index; + struct internal_reloc *internal_relocs; + struct internal_reloc *irel; + bfd_vma offset; + struct internal_reloc *irelend; + struct xcoff_link_hash_entry **rel_hash; + long r_symndx; + + /* Read in the relocs. */ + target_index = o->output_section->target_index; + internal_relocs = (xcoff_read_internal_relocs + (input_bfd, o, false, finfo->external_relocs, + true, + (finfo->section_info[target_index].relocs + + o->output_section->reloc_count))); + if (internal_relocs == NULL) + return false; - *rel_hash = NULL; + /* Call processor specific code to relocate the section + contents. */ + if (! bfd_coff_relocate_section (output_bfd, finfo->info, + input_bfd, o, + contents, + internal_relocs, + finfo->internal_syms, + xcoff_data (input_bfd)->csects)) + return false; - /* Adjust the reloc address and symbol index. */ + 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 + + o->output_section->reloc_count); + for (; irel < irelend; irel++, rel_hash++) + { + struct xcoff_link_hash_entry *h = NULL; + struct internal_ldrel ldrel; + boolean quiet; - irel->r_vaddr += offset; + *rel_hash = NULL; - r_symndx = irel->r_symndx; + /* Adjust the reloc address and symbol index. */ - if (r_symndx == -1) - h = NULL; - else - h = obj_xcoff_sym_hashes (input_bfd)[r_symndx]; + irel->r_vaddr += offset; - if (r_symndx != -1 && finfo->info->strip != strip_all) - { - if (h != NULL - && h->smclas != XMC_TD - && (irel->r_type == R_TOC - || irel->r_type == R_GL - || irel->r_type == R_TCL - || irel->r_type == R_TRL - || irel->r_type == R_TRLA)) - { - /* This is a TOC relative reloc with a symbol - attached. The symbol should be the one which - this reloc is for. We want to make this - reloc against the TOC address of the symbol, - not the symbol itself. */ - BFD_ASSERT (h->toc_section != NULL); - BFD_ASSERT ((h->flags & XCOFF_SET_TOC) == 0); - if (h->u.toc_indx != -1) - irel->r_symndx = h->u.toc_indx; - else - { - struct xcoff_toc_rel_hash *n; - struct xcoff_link_section_info *si; + r_symndx = irel->r_symndx; - n = ((struct xcoff_toc_rel_hash *) - bfd_alloc (finfo->output_bfd, - sizeof (struct xcoff_toc_rel_hash))); - if (n == NULL) - return false; - si = finfo->section_info + target_index; - n->next = si->toc_rel_hashes; - n->h = h; - n->rel = irel; - si->toc_rel_hashes = n; - } - } - else if (h != NULL) - { - /* This is a global symbol. */ - if (h->indx >= 0) - irel->r_symndx = h->indx; - else - { - /* This symbol is being written at the end - of the file, and we do not yet know the - symbol index. We save the pointer to the - hash table entry in the rel_hash list. - We set the indx field to -2 to indicate - that this symbol must not be stripped. */ - *rel_hash = h; - h->indx = -2; - } - } - else - { - long indx; + if (r_symndx == -1) + h = NULL; + else + h = obj_xcoff_sym_hashes (input_bfd)[r_symndx]; - indx = finfo->sym_indices[r_symndx]; + if (r_symndx != -1 && finfo->info->strip != strip_all) + { + if (h != NULL + && h->smclas != XMC_TD + && (irel->r_type == R_TOC + || irel->r_type == R_GL + || irel->r_type == R_TCL + || irel->r_type == R_TRL + || irel->r_type == R_TRLA)) + { + /* This is a TOC relative reloc with a symbol + attached. The symbol should be the one which + this reloc is for. We want to make this + reloc against the TOC address of the symbol, + not the symbol itself. */ + BFD_ASSERT (h->toc_section != NULL); + BFD_ASSERT ((h->flags & XCOFF_SET_TOC) == 0); + if (h->u.toc_indx != -1) + irel->r_symndx = h->u.toc_indx; + else + { + struct xcoff_toc_rel_hash *n; + struct xcoff_link_section_info *si; + bfd_size_type amt; + + amt = sizeof (struct xcoff_toc_rel_hash); + n = ((struct xcoff_toc_rel_hash *) + bfd_alloc (finfo->output_bfd, amt)); + if (n == NULL) + return false; + si = finfo->section_info + target_index; + n->next = si->toc_rel_hashes; + n->h = h; + n->rel = irel; + si->toc_rel_hashes = n; + } + } + else if (h != NULL) + { + /* This is a global symbol. */ + if (h->indx >= 0) + irel->r_symndx = h->indx; + else + { + /* This symbol is being written at the end + of the file, and we do not yet know the + symbol index. We save the pointer to the + hash table entry in the rel_hash list. + We set the indx field to -2 to indicate + that this symbol must not be stripped. */ + *rel_hash = h; + h->indx = -2; + } + } + else + { + long indx; - if (indx == -1) - { - struct internal_syment *is; - - /* Relocations against a TC0 TOC anchor are - automatically transformed to be against - the TOC anchor in the output file. */ - is = finfo->internal_syms + r_symndx; - if (is->n_sclass == C_HIDEXT - && is->n_numaux > 0) - { - PTR auxptr; - union internal_auxent aux; - - auxptr = ((PTR) - (((bfd_byte *) - obj_coff_external_syms (input_bfd)) - + ((r_symndx + is->n_numaux) - * isymesz))); - bfd_coff_swap_aux_in (input_bfd, auxptr, - is->n_type, is->n_sclass, - is->n_numaux - 1, - is->n_numaux, - (PTR) &aux); - if (SMTYP_SMTYP (aux.x_csect.x_smtyp) == XTY_SD - && aux.x_csect.x_smclas == XMC_TC0) - indx = finfo->toc_symindx; - } - } + indx = finfo->sym_indices[r_symndx]; - if (indx != -1) - irel->r_symndx = indx; - else - { + if (indx == -1) + { + struct internal_syment *is; + + /* Relocations against a TC0 TOC anchor are + automatically transformed to be against + the TOC anchor in the output file. */ + is = finfo->internal_syms + r_symndx; + if (is->n_sclass == C_HIDEXT + && is->n_numaux > 0) + { + PTR auxptr; + union internal_auxent aux; + + auxptr = ((PTR) + (((bfd_byte *) + obj_coff_external_syms (input_bfd)) + + ((r_symndx + is->n_numaux) + * isymesz))); + bfd_coff_swap_aux_in (input_bfd, auxptr, + is->n_type, is->n_sclass, + is->n_numaux - 1, + is->n_numaux, + (PTR) &aux); + if (SMTYP_SMTYP (aux.x_csect.x_smtyp) == XTY_SD + && aux.x_csect.x_smclas == XMC_TC0) + indx = finfo->toc_symindx; + } + } - struct internal_syment *is; + if (indx != -1) + irel->r_symndx = indx; + else + { - const char *name; - char buf[SYMNMLEN + 1]; + struct internal_syment *is; - /* This reloc is against a symbol we are - stripping. It would be possible to handle - this case, but I don't think it's worth it. */ - is = finfo->internal_syms + r_symndx; + const char *name; + char buf[SYMNMLEN + 1]; - name = (_bfd_coff_internal_syment_name - (input_bfd, is, buf)); + /* This reloc is against a symbol we are + stripping. It would be possible to handle + this case, but I don't think it's worth it. */ + is = finfo->internal_syms + r_symndx; - if (name == NULL) - return false; + name = (_bfd_coff_internal_syment_name + (input_bfd, is, buf)); + + if (name == NULL) + return false; + + if (! ((*finfo->info->callbacks->unattached_reloc) + (finfo->info, name, input_bfd, o, + irel->r_vaddr))) + return false; + } + } + } + + quiet = false; + switch (irel->r_type) + { + default: + if (h == NULL + || h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak + || h->root.type == bfd_link_hash_common) + break; + /* Fall through. */ + case R_POS: + case R_NEG: + case R_RL: + case R_RLA: + /* This reloc needs to be copied into the .loader + section. */ + ldrel.l_vaddr = irel->r_vaddr; + if (r_symndx == -1) + ldrel.l_symndx = -(bfd_size_type ) 1; + else if (h == NULL + || (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak + || h->root.type == bfd_link_hash_common)) + { + asection *sec; - if (! ((*finfo->info->callbacks->unattached_reloc) - (finfo->info, name, input_bfd, o, - irel->r_vaddr))) + if (h == NULL) + sec = xcoff_data (input_bfd)->csects[r_symndx]; + else if (h->root.type == bfd_link_hash_common) + sec = h->root.u.c.p->section; + else + sec = h->root.u.def.section; + sec = sec->output_section; + + if (strcmp (sec->name, ".text") == 0) + ldrel.l_symndx = 0; + else if (strcmp (sec->name, ".data") == 0) + ldrel.l_symndx = 1; + else if (strcmp (sec->name, ".bss") == 0) + ldrel.l_symndx = 2; + else + { + (*_bfd_error_handler) + (_("%s: loader reloc in unrecognized section `%s'"), + bfd_get_filename (input_bfd), + sec->name); + bfd_set_error (bfd_error_nonrepresentable_section); + return false; + } + } + else + { + if (! finfo->info->relocateable + && (h->flags & XCOFF_DEF_DYNAMIC) == 0 + && (h->flags & XCOFF_IMPORT) == 0) + { + /* We already called the undefined_symbol + callback for this relocation, in + _bfd_ppc_xcoff_relocate_section. Don't + issue any more warnings. */ + quiet = true; + } + if (h->ldindx < 0 && ! quiet) + { + (*_bfd_error_handler) + (_("%s: `%s' in loader reloc but not loader sym"), + bfd_get_filename (input_bfd), + h->root.root.string); + bfd_set_error (bfd_error_bad_value); + return false; + } + ldrel.l_symndx = h->ldindx; + } + ldrel.l_rtype = (irel->r_size << 8) | irel->r_type; + ldrel.l_rsecnm = o->output_section->target_index; + if (xcoff_hash_table (finfo->info)->textro + && strcmp (o->output_section->name, ".text") == 0 + && ! quiet) + { + (*_bfd_error_handler) + (_("%s: loader reloc in read-only section %s"), + bfd_get_filename (input_bfd), + bfd_get_section_name (finfo->output_bfd, + o->output_section)); + bfd_set_error (bfd_error_invalid_operation); return false; - } - } - } + } + bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, + finfo->ldrel); - quiet = false; - switch (irel->r_type) - { - default: - if (h == NULL - || h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak - || h->root.type == bfd_link_hash_common) - break; - /* Fall through. */ - case R_POS: - case R_NEG: - case R_RL: - case R_RLA: - /* This reloc needs to be copied into the .loader - section. */ - ldrel.l_vaddr = irel->r_vaddr; - if (r_symndx == -1) - ldrel.l_symndx = -1; - else if (h == NULL - || (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak - || h->root.type == bfd_link_hash_common)) - { - asection *sec; - - if (h == NULL) - sec = xcoff_data (input_bfd)->csects[r_symndx]; - else if (h->root.type == bfd_link_hash_common) - sec = h->root.u.c.p->section; - else - sec = h->root.u.def.section; - sec = sec->output_section; - - if (strcmp (sec->name, ".text") == 0) - ldrel.l_symndx = 0; - else if (strcmp (sec->name, ".data") == 0) - ldrel.l_symndx = 1; - else if (strcmp (sec->name, ".bss") == 0) - ldrel.l_symndx = 2; - else - { - (*_bfd_error_handler) - (_("%s: loader reloc in unrecognized section `%s'"), - bfd_get_filename (input_bfd), - sec->name); - bfd_set_error (bfd_error_nonrepresentable_section); - return false; - } - } - else - { - if (! finfo->info->relocateable - && (h->flags & XCOFF_DEF_DYNAMIC) == 0 - && (h->flags & XCOFF_IMPORT) == 0) - { - /* We already called the undefined_symbol - callback for this relocation, in - _bfd_ppc_xcoff_relocate_section. Don't - issue any more warnings. */ - quiet = true; - } - if (h->ldindx < 0 && ! quiet) - { - (*_bfd_error_handler) - (_("%s: `%s' in loader reloc but not loader sym"), - bfd_get_filename (input_bfd), - h->root.root.string); - bfd_set_error (bfd_error_bad_value); - return false; - } - ldrel.l_symndx = h->ldindx; - } - ldrel.l_rtype = (irel->r_size << 8) | irel->r_type; - ldrel.l_rsecnm = o->output_section->target_index; - if (xcoff_hash_table (finfo->info)->textro - && strcmp (o->output_section->name, ".text") == 0 - && ! quiet) - { - (*_bfd_error_handler) - (_("%s: loader reloc in read-only section %s"), - bfd_get_filename (input_bfd), - bfd_get_section_name (finfo->output_bfd, - o->output_section)); - bfd_set_error (bfd_error_invalid_operation); - return false; - } - bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, - finfo->ldrel); + finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd); + break; - finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd); - break; + case R_TOC: + case R_GL: + case R_TCL: + case R_TRL: + case R_TRLA: + /* We should never need a .loader reloc for a TOC + relative reloc. */ + break; + } + } - case R_TOC: - case R_GL: - case R_TCL: - case R_TRL: - case R_TRLA: - /* We should never need a .loader reloc for a TOC - relative reloc. */ - break; - } - } + o->output_section->reloc_count += o->reloc_count; + } - o->output_section->reloc_count += o->reloc_count; + /* Write out the modified section contents. */ + if (! bfd_set_section_contents (output_bfd, o->output_section, + contents, (file_ptr) o->output_offset, + (o->_cooked_size != 0 + ? o->_cooked_size + : o->_raw_size))) + return false; } - /* Write out the modified section contents. */ - if (! bfd_set_section_contents (output_bfd, o->output_section, - contents, o->output_offset, - (o->_cooked_size != 0 - ? o->_cooked_size - : o->_raw_size))) - return false; - } - obj_coff_keep_syms (input_bfd) = keep_syms; if (! finfo->info->keep_memory) @@ -5280,16 +5349,18 @@ xcoff_link_input_bfd (finfo, input_bfd) static boolean -xcoff_write_global_symbol (h, p) +xcoff_write_global_symbol (h, inf) struct xcoff_link_hash_entry *h; - PTR p; + PTR inf; { - struct xcoff_final_link_info *finfo = (struct xcoff_final_link_info *) p; + struct xcoff_final_link_info *finfo = (struct xcoff_final_link_info *) inf; bfd *output_bfd; bfd_byte *outsym; struct internal_syment isym; union internal_auxent aux; boolean result; + file_ptr pos; + bfd_size_type amt; output_bfd = finfo->output_bfd; outsym = finfo->outsyms; @@ -5300,149 +5371,165 @@ xcoff_write_global_symbol (h, p) return true; /* If we need a .loader section entry, write it out. */ - if (h->ldsym != NULL) { - struct internal_ldsym *ldsym; - bfd *impbfd; - - ldsym = h->ldsym; + if (h->ldsym != NULL) + { + struct internal_ldsym *ldsym; + bfd *impbfd; - if (h->root.type == bfd_link_hash_undefined || - h->root.type == bfd_link_hash_undefweak) { + ldsym = h->ldsym; - ldsym->l_value = 0; - ldsym->l_scnum = N_UNDEF; - ldsym->l_smtype = XTY_ER; - impbfd = h->root.u.undef.abfd; + if (h->root.type == bfd_link_hash_undefined + || h->root.type == bfd_link_hash_undefweak) + { - } else if (h->root.type == bfd_link_hash_defined || - h->root.type == bfd_link_hash_defweak) { + ldsym->l_value = 0; + ldsym->l_scnum = N_UNDEF; + ldsym->l_smtype = XTY_ER; + impbfd = h->root.u.undef.abfd; - asection *sec; - - sec = h->root.u.def.section; - ldsym->l_value = (sec->output_section->vma - + sec->output_offset - + h->root.u.def.value); - ldsym->l_scnum = sec->output_section->target_index; - ldsym->l_smtype = XTY_SD; - impbfd = sec->owner; - - } else { - abort (); - } + } + else if (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + { - if (((h->flags & XCOFF_DEF_REGULAR) == 0 && - (h->flags & XCOFF_DEF_DYNAMIC) != 0) || - (h->flags & XCOFF_IMPORT) != 0) { - /* Clear l_smtype - Import symbols are defined so the check above will make the l_smtype - XTY_SD. But this is not correct, it should be cleared. */ - ldsym->l_smtype = L_IMPORT; - } + asection *sec; - if (((h->flags & XCOFF_DEF_REGULAR) != 0 && - (h->flags & XCOFF_DEF_DYNAMIC) != 0) || - (h->flags & XCOFF_EXPORT) != 0) { - ldsym->l_smtype |= L_EXPORT; - } + sec = h->root.u.def.section; + ldsym->l_value = (sec->output_section->vma + + sec->output_offset + + h->root.u.def.value); + ldsym->l_scnum = sec->output_section->target_index; + ldsym->l_smtype = XTY_SD; + impbfd = sec->owner; - if ((h->flags & XCOFF_ENTRY) != 0) { - ldsym->l_smtype |= L_ENTRY; - } + } + else + abort (); - if ((h->flags & XCOFF_RTINIT) != 0) { - ldsym->l_smtype = XTY_SD; - } + if (((h->flags & XCOFF_DEF_REGULAR) == 0 + && (h->flags & XCOFF_DEF_DYNAMIC) != 0) + || (h->flags & XCOFF_IMPORT) != 0) + { + /* Clear l_smtype + Import symbols are defined so the check above will make + the l_smtype XTY_SD. But this is not correct, it should + be cleared. */ + ldsym->l_smtype |= L_IMPORT; + } - ldsym->l_smclas = h->smclas; + if (((h->flags & XCOFF_DEF_REGULAR) != 0 + && (h->flags & XCOFF_DEF_DYNAMIC) != 0) + || (h->flags & XCOFF_EXPORT) != 0) + { + ldsym->l_smtype |= L_EXPORT; + } - if (ldsym->l_smtype & L_IMPORT) - { - if ((h->root.type == bfd_link_hash_defined || - h->root.type == bfd_link_hash_defweak) && - (h->root.u.def.value != 0)) - { - ldsym->l_smclas = XMC_XO; - } - else if ((h->flags & (XCOFF_SYSCALL32 | XCOFF_SYSCALL64)) == - (XCOFF_SYSCALL32 | XCOFF_SYSCALL64)) - { - ldsym->l_smclas = XMC_SV3264; - } - else if (h->flags & XCOFF_SYSCALL32) - { - ldsym->l_smclas = XMC_SV; - } - else if (h->flags & XCOFF_SYSCALL64) - { - ldsym->l_smclas = XMC_SV64; - } - } - - if (ldsym->l_ifile == (bfd_size_type) -1) { - ldsym->l_ifile = 0; - - } else if (ldsym->l_ifile == 0) { - if ((ldsym->l_smtype & L_IMPORT) == 0) { - ldsym->l_ifile = 0; - } else if (impbfd == NULL) { - ldsym->l_ifile = 0; - } else { - BFD_ASSERT (impbfd->xvec == output_bfd->xvec); - ldsym->l_ifile = xcoff_data (impbfd)->import_file_id; - } + if ((h->flags & XCOFF_ENTRY) != 0) + { + ldsym->l_smtype |= L_ENTRY; + } + + if ((h->flags & XCOFF_RTINIT) != 0) + { + ldsym->l_smtype = XTY_SD; + } + + ldsym->l_smclas = h->smclas; + + if (ldsym->l_smtype & L_IMPORT) + { + if ((h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + && (h->root.u.def.value != 0)) + { + ldsym->l_smclas = XMC_XO; + } + else if ((h->flags & (XCOFF_SYSCALL32 | XCOFF_SYSCALL64)) == + (XCOFF_SYSCALL32 | XCOFF_SYSCALL64)) + { + ldsym->l_smclas = XMC_SV3264; + } + else if (h->flags & XCOFF_SYSCALL32) + { + ldsym->l_smclas = XMC_SV; + } + else if (h->flags & XCOFF_SYSCALL64) + { + ldsym->l_smclas = XMC_SV64; + } + } + + if (ldsym->l_ifile == -(bfd_size_type) 1) + { + ldsym->l_ifile = 0; + } + else if (ldsym->l_ifile == 0) + { + if ((ldsym->l_smtype & L_IMPORT) == 0) + { + ldsym->l_ifile = 0; + } + else if (impbfd == NULL) + { + ldsym->l_ifile = 0; + } + else + { + BFD_ASSERT (impbfd->xvec == output_bfd->xvec); + ldsym->l_ifile = xcoff_data (impbfd)->import_file_id; + } + } + + ldsym->l_parm = 0; + + BFD_ASSERT (h->ldindx >= 0); + + bfd_xcoff_swap_ldsym_out (output_bfd, ldsym, + (finfo->ldsym + + (h->ldindx - 3) + * bfd_xcoff_ldsymsz(finfo->output_bfd))); + h->ldsym = NULL; } - - ldsym->l_parm = 0; - - BFD_ASSERT (h->ldindx >= 0); - - bfd_xcoff_swap_ldsym_out (output_bfd, ldsym, finfo->ldsym + - (h->ldindx - 3) * - bfd_xcoff_ldsymsz(finfo->output_bfd)); - h->ldsym = NULL; - } - + /* If this symbol needs global linkage code, write it out. */ - if (h->root.type == bfd_link_hash_defined && - (h->root.u.def.section == - xcoff_hash_table (finfo->info)->linkage_section)) { + if (h->root.type == bfd_link_hash_defined + && (h->root.u.def.section + == xcoff_hash_table (finfo->info)->linkage_section)) + { + bfd_byte *p; + bfd_vma tocoff; + unsigned int i; - bfd_byte *p; - bfd_vma tocoff; - unsigned int i; - - p = h->root.u.def.section->contents + h->root.u.def.value; + p = h->root.u.def.section->contents + h->root.u.def.value; - /* The first instruction in the global linkage code loads a - specific TOC element. */ - tocoff = (h->descriptor->toc_section->output_section->vma - + h->descriptor->toc_section->output_offset - - xcoff_data (output_bfd)->toc); + /* The first instruction in the global linkage code loads a + specific TOC element. */ + tocoff = (h->descriptor->toc_section->output_section->vma + + h->descriptor->toc_section->output_offset + - xcoff_data (output_bfd)->toc); - if ((h->descriptor->flags & XCOFF_SET_TOC) != 0) { - tocoff += h->descriptor->u.toc_offset; - } - - - /* - * The first instruction in the glink code needs to be cooked to - * to hold the correct offset in the toc. The rest are just outputted - * raw. - */ - bfd_put_32 (output_bfd, - bfd_xcoff_glink_code(output_bfd, 0) | (tocoff & 0xffff), p); - - /* - * Start with i == 1 to get past the first instruction done above - * The /4 is because the glink code is in bytes and we are going 4 - * at a pop - */ - for (i = 1; i < bfd_xcoff_glink_code_size(output_bfd) / 4; i++) { - bfd_put_32 (output_bfd, bfd_xcoff_glink_code(output_bfd, i), - &p[4 * i]); + if ((h->descriptor->flags & XCOFF_SET_TOC) != 0) + { + tocoff += h->descriptor->u.toc_offset; + } + + + /* The first instruction in the glink code needs to be + cooked to to hold the correct offset in the toc. The + rest are just output raw. */ + bfd_put_32 (output_bfd, + bfd_xcoff_glink_code(output_bfd, 0) | (tocoff & 0xffff), p); + + /* Start with i == 1 to get past the first instruction done above + The /4 is because the glink code is in bytes and we are going + 4 at a pop. */ + for (i = 1; i < bfd_xcoff_glink_code_size(output_bfd) / 4; i++) + { + bfd_put_32 (output_bfd, + (bfd_vma) bfd_xcoff_glink_code(output_bfd, i), + &p[4 * i]); + } } - } /* If we created a TOC entry for this symbol, write out the required relocs. */ @@ -5465,43 +5552,46 @@ xcoff_write_global_symbol (h, p) + h->u.toc_offset); - if (h->indx >= 0) { - irel->r_symndx = h->indx; - } else { - h->indx = -2; - irel->r_symndx = obj_raw_syment_count (output_bfd); - } - + if (h->indx >= 0) + { + irel->r_symndx = h->indx; + } + else + { + h->indx = -2; + irel->r_symndx = obj_raw_syment_count (output_bfd); + } + BFD_ASSERT (h->ldindx >= 0); - /* - * Initialize the aux union here instead of closer to when it is - * written out below because the length of the csect depends on - * whether the output is 32 or 64 bit - */ + /* Initialize the aux union here instead of closer to when it is + written out below because the length of the csect depends on + whether the output is 32 or 64 bit. */ memset (&iraux, 0, sizeof iraux); iraux.x_csect.x_smtyp = XTY_SD; /* iraux.x_csect.x_scnlen.l = 4 or 8, see below */ iraux.x_csect.x_smclas = XMC_TC; + /* 32 bit uses a 32 bit R_POS to do the relocations + 64 bit uses a 64 bit R_POS to do the relocations - /* - * 32 bit uses a 32 bit R_POS to do the relocations - * 64 bit uses a 64 bit R_POS to do the relocations - * - * Also needs to change the csect size : 4 for 32 bit, 8 for 64 bit - * - * Which one is determined by the backend - */ - if (bfd_xcoff_is_xcoff64(output_bfd)) { - irel->r_size = 63; - iraux.x_csect.x_scnlen.l = 8; - } else if (bfd_xcoff_is_xcoff32(output_bfd)) { - irel->r_size = 31; - iraux.x_csect.x_scnlen.l = 4; - } else { - return false; - } + Also needs to change the csect size : 4 for 32 bit, 8 for 64 bit + + Which one is determined by the backend. */ + if (bfd_xcoff_is_xcoff64 (output_bfd)) + { + irel->r_size = 63; + iraux.x_csect.x_scnlen.l = 8; + } + else if (bfd_xcoff_is_xcoff32 (output_bfd)) + { + irel->r_size = 31; + iraux.x_csect.x_scnlen.l = 4; + } + else + { + return false; + } irel->r_type = R_POS; finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL; ++osec->reloc_count; @@ -5513,41 +5603,42 @@ xcoff_write_global_symbol (h, p) bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel); finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd); - /* We need to emit a symbol to define a csect which holds the reloc. */ - if (finfo->info->strip != strip_all) { + /* We need to emit a symbol to define a csect which holds + the reloc. */ + if (finfo->info->strip != strip_all) + { - result = bfd_xcoff_put_symbol_name (output_bfd, finfo->strtab, &irsym, - h->root.root.string); - if (false == result) { - return false; - } + result = bfd_xcoff_put_symbol_name (output_bfd, finfo->strtab, + &irsym, h->root.root.string); + if (false == result) + { + return false; + } - irsym.n_value = irel->r_vaddr; - irsym.n_scnum = osec->target_index; - irsym.n_sclass = C_HIDEXT; - irsym.n_type = T_NULL; - irsym.n_numaux = 1; + irsym.n_value = irel->r_vaddr; + irsym.n_scnum = osec->target_index; + irsym.n_sclass = C_HIDEXT; + irsym.n_type = T_NULL; + irsym.n_numaux = 1; - bfd_coff_swap_sym_out (output_bfd, (PTR) &irsym, (PTR) outsym); - outsym += bfd_coff_symesz (output_bfd); + bfd_coff_swap_sym_out (output_bfd, (PTR) &irsym, (PTR) outsym); + outsym += bfd_coff_symesz (output_bfd); - /* note : iraux is initialized above */ - bfd_coff_swap_aux_out (output_bfd, (PTR) &iraux, T_NULL, C_HIDEXT, - 0, 1, (PTR) outsym); - outsym += bfd_coff_auxesz (output_bfd); + /* note : iraux is initialized above */ + bfd_coff_swap_aux_out (output_bfd, (PTR) &iraux, T_NULL, C_HIDEXT, + 0, 1, (PTR) outsym); + outsym += bfd_coff_auxesz (output_bfd); - if (h->indx >= 0) - { - /* We aren't going to write out the symbols below, so we + if (h->indx >= 0) + { + /* We aren't going to write out the symbols below, so we need to write them out now. */ - if (bfd_seek (output_bfd, - (obj_sym_filepos (output_bfd) - + (obj_raw_syment_count (output_bfd) - * bfd_coff_symesz (output_bfd))), - SEEK_SET) != 0 - || (bfd_write (finfo->outsyms, outsym - finfo->outsyms, 1, - output_bfd) - != (bfd_size_type) (outsym - finfo->outsyms))) + pos = obj_sym_filepos (output_bfd); + pos += (obj_raw_syment_count (output_bfd) + * bfd_coff_symesz (output_bfd)); + amt = outsym - finfo->outsyms; + if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 + || bfd_bwrite (finfo->outsyms, amt, output_bfd) != amt) return false; obj_raw_syment_count (output_bfd) += (outsym - finfo->outsyms) / bfd_coff_symesz (output_bfd); @@ -5557,18 +5648,16 @@ xcoff_write_global_symbol (h, p) } } - /* - * If this symbol is a specially defined function descriptor, write - * it out. The first word is the address of the function code - * itself, the second word is the address of the TOC, and the third - * word is zero. - * - * 32 bit vs 64 bit - * The addresses for the 32 bit will take 4 bytes and the addresses - * for 64 bit will take 8 bytes. Similar for the relocs. This type - * of logic was also done above to create a TOC entry in - * xcoff_write_global_symbol - */ + /* If this symbol is a specially defined function descriptor, write + it out. The first word is the address of the function code + itself, the second word is the address of the TOC, and the third + word is zero. + + 32 bit vs 64 bit + The addresses for the 32 bit will take 4 bytes and the addresses + for 64 bit will take 8 bytes. Similar for the relocs. This type + of logic was also done above to create a TOC entry in + xcoff_write_global_symbol. */ if ((h->flags & XCOFF_DESCRIPTOR) != 0 && h->root.type == bfd_link_hash_defined && (h->root.u.def.section @@ -5585,15 +5674,20 @@ xcoff_write_global_symbol (h, p) asection *tsec; unsigned int reloc_size, byte_size; - if (bfd_xcoff_is_xcoff64(output_bfd)) { - reloc_size = 63; - byte_size = 8; - } else if (bfd_xcoff_is_xcoff32(output_bfd)) { - reloc_size = 31; - byte_size = 4; - } else { - return false; - } + if (bfd_xcoff_is_xcoff64 (output_bfd)) + { + reloc_size = 63; + byte_size = 8; + } + else if (bfd_xcoff_is_xcoff32 (output_bfd)) + { + reloc_size = 31; + byte_size = 4; + } + else + { + return false; + } sec = h->root.u.def.section; osec = sec->output_section; @@ -5637,33 +5731,33 @@ xcoff_write_global_symbol (h, p) bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel); finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd); - /* - * There are three items to write out, - * the address of the code - * the address of the toc anchor - * the environment pointer. - * We are ignoring the environment pointer. So set it to zero - */ - if (bfd_xcoff_is_xcoff64(output_bfd)) { - bfd_put_64 (output_bfd, (esec->output_section->vma + - esec->output_offset + - hentry->root.u.def.value), p); - bfd_put_64 (output_bfd, xcoff_data (output_bfd)->toc, p + 8); - bfd_put_64 (output_bfd, 0, p + 16); - } else { - /* - * 32 bit backend - * - * This logic was already called above so the error case where - * the backend is neither has already been checked - */ - bfd_put_32 (output_bfd, (esec->output_section->vma + - esec->output_offset + - hentry->root.u.def.value), p); - bfd_put_32 (output_bfd, xcoff_data (output_bfd)->toc, p + 4); - bfd_put_32 (output_bfd, 0, p + 8); - } - + /* There are three items to write out, + the address of the code + the address of the toc anchor + the environment pointer. + We are ignoring the environment pointer. So set it to zero. */ + if (bfd_xcoff_is_xcoff64 (output_bfd)) + { + bfd_put_64 (output_bfd, + (esec->output_section->vma + esec->output_offset + + hentry->root.u.def.value), + p); + bfd_put_64 (output_bfd, xcoff_data (output_bfd)->toc, p + 8); + bfd_put_64 (output_bfd, (bfd_vma) 0, p + 16); + } + else + { + /* 32 bit backend + This logic was already called above so the error case where + the backend is neither has already been checked. */ + bfd_put_32 (output_bfd, + (esec->output_section->vma + esec->output_offset + + hentry->root.u.def.value), + p); + bfd_put_32 (output_bfd, xcoff_data (output_bfd)->toc, p + 4); + bfd_put_32 (output_bfd, (bfd_vma) 0, p + 8); + } + tsec = coff_section_from_bfd_index (output_bfd, xcoff_data (output_bfd)->sntoc); @@ -5709,9 +5803,8 @@ xcoff_write_global_symbol (h, p) 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) - == NULL)))) + && bfd_hash_lookup (finfo->info->keep_hash, h->root.root.string, + false, false) == NULL))) { BFD_ASSERT (outsym == finfo->outsyms); return true; @@ -5728,11 +5821,12 @@ xcoff_write_global_symbol (h, p) h->indx = obj_raw_syment_count (output_bfd); - result = bfd_xcoff_put_symbol_name (output_bfd, finfo->strtab, &isym, + result = bfd_xcoff_put_symbol_name (output_bfd, finfo->strtab, &isym, h->root.root.string); - if (false == result) { - return false; - } + if (false == result) + { + return false; + } if (h->root.type == bfd_link_hash_undefined || h->root.type == bfd_link_hash_undefweak) @@ -5820,13 +5914,11 @@ xcoff_write_global_symbol (h, p) outsym += bfd_coff_auxesz (output_bfd); } - if (bfd_seek (output_bfd, - (obj_sym_filepos (output_bfd) - + (obj_raw_syment_count (output_bfd) - * bfd_coff_symesz (output_bfd))), - SEEK_SET) != 0 - || (bfd_write (finfo->outsyms, outsym - finfo->outsyms, 1, output_bfd) - != (bfd_size_type) (outsym - finfo->outsyms))) + pos = obj_sym_filepos (output_bfd); + pos += obj_raw_syment_count (output_bfd) * bfd_coff_symesz (output_bfd); + amt = outsym - finfo->outsyms; + if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 + || bfd_bwrite (finfo->outsyms, amt, output_bfd) != amt) return false; obj_raw_syment_count (output_bfd) += (outsym - finfo->outsyms) / bfd_coff_symesz (output_bfd); |