* coffcode.h (coff_set_alignment_hook): Write RS6000COFF_C version
which checks for STYP_OVRFLO sections. (coff_compute_section_file_positions): If RS6000COFF_C, handle reloc and lineno count overflows. (coff_write_object_contents): Call coff_count_linenumbers before coff_compute_section_file_positions. If RS6000COFF_C, handle reloc and lineno count overflows. * xcofflink.c (_bfd_xcoff_bfd_final_link): Count line numbers and relocs before dealing with .pad sections. Count overflow section headers when handling .pad sections.
This commit is contained in:
Ian Lance Taylor
parent
7906bf87b9
commit
4a378b13e4
@ -1,5 +1,16 @@
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Thu Nov 9 13:01:31 1995 Ian Lance Taylor <ian@cygnus.com>
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* coffcode.h (coff_set_alignment_hook): Write RS6000COFF_C version
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which checks for STYP_OVRFLO sections.
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(coff_compute_section_file_positions): If RS6000COFF_C, handle
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reloc and lineno count overflows.
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(coff_write_object_contents): Call coff_count_linenumbers before
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coff_compute_section_file_positions. If RS6000COFF_C, handle
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reloc and lineno count overflows.
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* xcofflink.c (_bfd_xcoff_bfd_final_link): Count line numbers and
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relocs before dealing with .pad sections. Count overflow section
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headers when handling .pad sections.
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* coffcode.h (coff_write_object_contents): Set a.out vstamp to 1
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if RS6000COFF_C.
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133
bfd/xcofflink.c
133
bfd/xcofflink.c
@ -3238,6 +3238,48 @@ _bfd_xcoff_bfd_final_link (abfd, info)
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if (finfo.strtab == NULL)
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goto error_return;
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/* Count the line number and relocation entries required for the
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output file. Determine a few maximum sizes. */
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max_contents_size = 0;
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max_lineno_count = 0;
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max_reloc_count = 0;
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for (o = abfd->sections; o != NULL; o = o->next)
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{
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o->reloc_count = 0;
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o->lineno_count = 0;
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for (p = o->link_order_head; p != NULL; p = p->next)
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{
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if (p->type == bfd_indirect_link_order)
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{
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asection *sec;
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sec = p->u.indirect.section;
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if (info->strip == strip_none
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|| info->strip == strip_some)
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o->lineno_count += sec->lineno_count;
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o->reloc_count += sec->reloc_count;
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if (sec->_raw_size > max_contents_size)
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max_contents_size = sec->_raw_size;
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if (sec->lineno_count > max_lineno_count)
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max_lineno_count = sec->lineno_count;
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if (coff_section_data (sec->owner, sec) != NULL
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&& xcoff_section_data (sec->owner, sec) != NULL
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&& (xcoff_section_data (sec->owner, sec)->lineno_count
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> max_lineno_count))
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max_lineno_count =
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xcoff_section_data (sec->owner, sec)->lineno_count;
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if (sec->reloc_count > max_reloc_count)
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max_reloc_count = sec->reloc_count;
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}
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else if (p->type == bfd_section_reloc_link_order
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|| p->type == bfd_symbol_reloc_link_order)
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++o->reloc_count;
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}
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}
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/* Compute the file positions for all the sections. */
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if (abfd->output_has_begun)
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{
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@ -3303,6 +3345,9 @@ _bfd_xcoff_bfd_final_link (abfd, info)
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sofar = bfd_coff_filhsz (abfd);
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sofar += bfd_coff_aoutsz (abfd);
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sofar += abfd->section_count * bfd_coff_scnhsz (abfd);
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for (o = abfd->sections; o != NULL; o = o->next)
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if (o->reloc_count >= 0xffff || o->lineno_count >= 0xffff)
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sofar += bfd_coff_scnhsz (abfd);
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for (o = abfd->sections; o != NULL; o = o->next)
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{
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@ -3331,58 +3376,6 @@ _bfd_xcoff_bfd_final_link (abfd, info)
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bfd_coff_compute_section_file_positions (abfd);
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}
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/* Count the line numbers and relocation entries required for the
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output file. Set the file positions for the relocs. */
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rel_filepos = obj_relocbase (abfd);
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relsz = bfd_coff_relsz (abfd);
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max_contents_size = 0;
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max_lineno_count = 0;
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max_reloc_count = 0;
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for (o = abfd->sections; o != NULL; o = o->next)
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{
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o->reloc_count = 0;
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o->lineno_count = 0;
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for (p = o->link_order_head; p != NULL; p = p->next)
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{
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if (p->type == bfd_indirect_link_order)
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{
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asection *sec;
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sec = p->u.indirect.section;
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if (info->strip == strip_none
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|| info->strip == strip_some)
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o->lineno_count += sec->lineno_count;
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o->reloc_count += sec->reloc_count;
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if (sec->_raw_size > max_contents_size)
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max_contents_size = sec->_raw_size;
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if (sec->lineno_count > max_lineno_count)
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max_lineno_count = sec->lineno_count;
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if (coff_section_data (sec->owner, sec) != NULL
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&& xcoff_section_data (sec->owner, sec) != NULL
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&& (xcoff_section_data (sec->owner, sec)->lineno_count
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> max_lineno_count))
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max_lineno_count =
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xcoff_section_data (sec->owner, sec)->lineno_count;
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if (sec->reloc_count > max_reloc_count)
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max_reloc_count = sec->reloc_count;
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}
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else if (p->type == bfd_section_reloc_link_order
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|| p->type == bfd_symbol_reloc_link_order)
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++o->reloc_count;
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}
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if (o->reloc_count == 0)
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o->rel_filepos = 0;
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else
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{
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o->flags |= SEC_RELOC;
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o->rel_filepos = rel_filepos;
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rel_filepos += o->reloc_count * relsz;
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}
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}
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/* Allocate space for the pointers we need to keep for the relocs. */
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{
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unsigned int i;
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@ -3405,24 +3398,20 @@ _bfd_xcoff_bfd_final_link (abfd, info)
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}
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}
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/* We now know the size of the relocs, so we can determine the file
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positions of the line numbers. */
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line_filepos = rel_filepos;
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finfo.line_filepos = line_filepos;
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linesz = bfd_coff_linesz (abfd);
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/* Set the file positions for the relocs. */
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rel_filepos = obj_relocbase (abfd);
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relsz = bfd_coff_relsz (abfd);
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max_output_reloc_count = 0;
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for (o = abfd->sections; o != NULL; o = o->next)
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{
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if (o->lineno_count == 0)
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o->line_filepos = 0;
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if (o->reloc_count == 0)
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o->rel_filepos = 0;
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else
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{
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o->line_filepos = line_filepos;
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line_filepos += o->lineno_count * linesz;
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}
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o->flags |= SEC_RELOC;
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o->rel_filepos = rel_filepos;
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rel_filepos += o->reloc_count * relsz;
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if (o->reloc_count != 0)
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{
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/* We don't know the indices of global symbols until we have
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written out all the local symbols. For each section in
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the output file, we keep an array of pointers to hash
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@ -3453,6 +3442,22 @@ _bfd_xcoff_bfd_final_link (abfd, info)
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if (o->reloc_count > max_output_reloc_count)
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max_output_reloc_count = o->reloc_count;
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}
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}
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/* We now know the size of the relocs, so we can determine the file
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positions of the line numbers. */
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line_filepos = rel_filepos;
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finfo.line_filepos = line_filepos;
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linesz = bfd_coff_linesz (abfd);
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for (o = abfd->sections; o != NULL; o = o->next)
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{
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if (o->lineno_count == 0)
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o->line_filepos = 0;
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else
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{
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o->line_filepos = line_filepos;
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line_filepos += o->lineno_count * linesz;
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}
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/* Reset the reloc and lineno counts, so that we can use them to
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count the number of entries we have output so far. */
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