bfd/
* section.c (SEC_KEEP): Update comment. * bfd-in2.h: Regenerate. * elflink.c (bfd_elf_gc_sections): Ignore SEC_EXCLUDE sections. * merge.c (_bfd_merge_sections): Set SEC_KEEP on excluded sections. * stabs.c (_bfd_discard_section_stabs): Likewise. (_bfd_link_section_stabs): Likewise. Simplify abs_section check. ld/ * ldlang.c (lang_map): Don't say SEC_LINKER_CREATED and SEC_KEEP sections have been discarded. (lang_do_version_exports_section): Set SEC_KEEP on export section. * emultempl/elf32.em (before_allocation): Set SEC_KEEP on warning sections.
This commit is contained in:
Alan Modra
parent
7ebede5616
commit
a14a5de357
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@ -1,3 +1,12 @@
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2006-10-27 Alan Modra <amodra@bigpond.net.au>
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* section.c (SEC_KEEP): Update comment.
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* bfd-in2.h: Regenerate.
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* elflink.c (bfd_elf_gc_sections): Ignore SEC_EXCLUDE sections.
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* merge.c (_bfd_merge_sections): Set SEC_KEEP on excluded sections.
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* stabs.c (_bfd_discard_section_stabs): Likewise.
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(_bfd_link_section_stabs): Likewise. Simplify abs_section check.
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2006-10-26 Ben Elliston <bje@au.ibm.com>
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* reloc.c (_bfd_relocate_contents): Remove explicit case 0.
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@ -12,7 +21,7 @@
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(maxq_reloc_map): Likewise.
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(maxq_reloc_type_lookup): Remove loop over maxq_reloc_map.
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2006-10-26 Ben Elliston <bje@au.ibm.com>
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2006-10-26 Ben Elliston <bje@au.ibm.com>
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* elf.c (bfd_elf_set_dyn_lib_class): Change second argument type
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from int to enum dynamic_lib_link_class lib_class.
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@ -1255,7 +1255,9 @@ typedef struct bfd_section
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else up the line will take care of it later. */
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#define SEC_LINKER_CREATED 0x200000
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/* This section should not be subject to garbage collection. */
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/* This section should not be subject to garbage collection.
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Also set to inform the linker that this section should not be
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listed in the link map as discarded. */
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#define SEC_KEEP 0x400000
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/* This section contains "short" data, and should be placed
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@ -9794,7 +9794,7 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
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continue;
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for (o = sub->sections; o != NULL; o = o->next)
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if ((o->flags & SEC_KEEP) != 0 && !o->gc_mark)
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if ((o->flags & (SEC_EXCLUDE | SEC_KEEP)) == SEC_KEEP && !o->gc_mark)
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if (!_bfd_elf_gc_mark (info, o, gc_mark_hook))
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return FALSE;
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}
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@ -766,7 +766,7 @@ _bfd_merge_sections (bfd *abfd ATTRIBUTE_UNUSED,
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the hash table at all. */
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for (secinfo = sinfo->chain; secinfo; secinfo = secinfo->next)
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if (secinfo->first_str == NULL)
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secinfo->sec->flags |= SEC_EXCLUDE;
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secinfo->sec->flags |= SEC_EXCLUDE | SEC_KEEP;
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}
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return TRUE;
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@ -294,7 +294,9 @@ CODE_FRAGMENT
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. else up the line will take care of it later. *}
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.#define SEC_LINKER_CREATED 0x200000
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.
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. {* This section should not be subject to garbage collection. *}
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. {* This section should not be subject to garbage collection.
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. Also set to inform the linker that this section should not be
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. listed in the link map as discarded. *}
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.#define SEC_KEEP 0x400000
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.
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. {* This section contains "short" data, and should be placed
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14
bfd/stabs.c
14
bfd/stabs.c
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@ -175,10 +175,8 @@ _bfd_link_section_stabs (bfd *abfd,
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prepared to handle them. */
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return TRUE;
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if ((stabsec->output_section != NULL
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&& bfd_is_abs_section (stabsec->output_section))
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|| (stabstrsec->output_section != NULL
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&& bfd_is_abs_section (stabstrsec->output_section)))
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if (bfd_is_abs_section (stabsec->output_section)
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|| bfd_is_abs_section (stabstrsec->output_section))
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/* At least one of the sections is being discarded from the
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link, so we should just ignore them. */
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return TRUE;
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@ -433,7 +431,7 @@ _bfd_link_section_stabs (bfd *abfd,
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++nest;
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else if (incl_type == (int) N_EXCL)
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/* Keep existing exclusion marks. */
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continue;
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continue;
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else if (nest == 0)
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{
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*incl_pstridx = (bfd_size_type) -1;
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@ -458,8 +456,8 @@ _bfd_link_section_stabs (bfd *abfd,
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for that section. */
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stabsec->size = (count - skip) * STABSIZE;
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if (stabsec->size == 0)
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stabsec->flags |= SEC_EXCLUDE;
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stabstrsec->flags |= SEC_EXCLUDE;
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stabsec->flags |= SEC_EXCLUDE | SEC_KEEP;
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stabstrsec->flags |= SEC_EXCLUDE | SEC_KEEP;
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sinfo->stabstr->size = _bfd_stringtab_size (sinfo->strings);
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/* Calculate the `cumulative_skips' array now that stabs have been
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@ -611,7 +609,7 @@ _bfd_discard_section_stabs (bfd *abfd,
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/* Shrink the stabsec as needed. */
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stabsec->size -= skip * STABSIZE;
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if (stabsec->size == 0)
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stabsec->flags |= SEC_EXCLUDE;
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stabsec->flags |= SEC_EXCLUDE | SEC_KEEP;
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/* Recalculate the `cumulative_skips' array now that stabs have been
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deleted for this section. */
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@ -1,3 +1,11 @@
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2006-10-27 Alan Modra <amodra@bigpond.net.au>
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* ldlang.c (lang_map): Don't say SEC_LINKER_CREATED and SEC_KEEP
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sections have been discarded.
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(lang_do_version_exports_section): Set SEC_KEEP on export section.
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* emultempl/elf32.em (before_allocation): Set SEC_KEEP on warning
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sections.
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2006-10-26 Joseph S. Myers <joseph@codesourcery.com>
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Mark Mitchell <mark@codesourcery.com>
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@ -1214,7 +1214,7 @@ ${ELF_INTERPRETER_SET_DEFAULT}
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/* Also set SEC_EXCLUDE, so that symbols defined in the warning
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section don't get copied to the output. */
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s->flags |= SEC_EXCLUDE;
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s->flags |= SEC_EXCLUDE | SEC_KEEP;
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}
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}
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@ -1736,8 +1736,9 @@ lang_map (void)
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continue;
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for (s = file->the_bfd->sections; s != NULL; s = s->next)
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if (s->output_section == NULL
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|| s->output_section->owner != output_bfd)
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if ((s->output_section == NULL
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|| s->output_section->owner != output_bfd)
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&& (s->flags & (SEC_LINKER_CREATED | SEC_KEEP)) == 0)
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{
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if (! dis_header_printed)
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{
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@ -4629,7 +4630,7 @@ lang_size_sections_1
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&newdot);
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/* This symbol is relative to this section. */
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if ((tree->type.node_class == etree_provided
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if ((tree->type.node_class == etree_provided
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|| tree->type.node_class == etree_assign)
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&& (tree->assign.dst [0] != '.'
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|| tree->assign.dst [1] != '\0'))
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@ -6922,7 +6923,7 @@ lang_do_version_exports_section (void)
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/* Do not free the contents, as we used them creating the regex. */
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/* Do not include this section in the link. */
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sec->flags |= SEC_EXCLUDE;
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sec->flags |= SEC_EXCLUDE | SEC_KEEP;
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}
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lreg = lang_new_vers_pattern (NULL, "*", NULL, FALSE);
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