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| author | Dave Korn <dave.korn@artimi.com> | 2011-05-07 14:29:10 +0000 |
|---|---|---|
| committer | Dave Korn <dave.korn@artimi.com> | 2011-05-07 14:29:10 +0000 |
| commit | 730035f7afaff40fa613348abd5a087319f1cb45 (patch) | |
| tree | 40f5c47b778b58d3ba67cb5ecdfc343be99b9b6e /bfd | |
| parent | 88e5939496319c9169fffee2d24f4b6e928d06a6 (diff) | |
| download | gdb-730035f7afaff40fa613348abd5a087319f1cb45.zip gdb-730035f7afaff40fa613348abd5a087319f1cb45.tar.gz gdb-730035f7afaff40fa613348abd5a087319f1cb45.tar.bz2 | |
bfd/ChangeLog:
PR ld/12365
* cofflink.c (bfd_coff_link_input_bfd): Check for and warn about
references to symbols defined in discarded sections.
ld/ChangeLog:
PR ld/12365
* scripttempl/pe.sc (__rt_psrelocs_start): New symbol definition.
(__rt_psrelocs_end): Likewise.
(__rt_psrelocs_size): Likewise difference between the above.
(__RUNTIME_PSEUDO_RELOC_LIST_END__): Move outside .rdata section
immediately after end of pseudo-reloc data.
(___RUNTIME_PSEUDO_RELOC_LIST_END___): Likewise.
(__RUNTIME_PSEUDO_RELOC_LIST__): Move outside .rdata section and
calculate backward from list end.
(___RUNTIME_PSEUDO_RELOC_LIST___): Likewise.
* scripttempl/pep.sc: Likewise.
ld/testsuite/ChangeLog:
PR ld/12365
* ld-plugin/plugin-7.d: Allow underscore in error message.
* ld-plugin/plugin-8.d: Likewise.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/cofflink.c | 29 |
2 files changed, 35 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 10255da..b8c2cf4 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,6 +1,12 @@ 2011-05-07 Dave Korn <dave.korn.cygwin@gmail.com> PR ld/12365 + * cofflink.c (bfd_coff_link_input_bfd): Check for and warn about + references to symbols defined in discarded sections. + +2011-05-07 Dave Korn <dave.korn.cygwin@gmail.com> + + PR ld/12365 * coffgen.c (coff_write_symbol): Assume input section is its own output section if output_section member not set. (coff_write_alien_symbol): Likewise. diff --git a/bfd/cofflink.c b/bfd/cofflink.c index 33de7fe..fdfab1d 100644 --- a/bfd/cofflink.c +++ b/bfd/cofflink.c @@ -2365,6 +2365,35 @@ _bfd_coff_link_input_bfd (struct coff_final_link_info *finfo, bfd *input_bfd) if (internal_relocs == NULL) return FALSE; + /* Run through the relocs looking for relocs against symbols + coming from discarded sections and complain about them. */ + irel = internal_relocs; + for (; irel < &internal_relocs[o->reloc_count]; irel++) + { + struct coff_link_hash_entry *h; + asection *ps = NULL; + long symndx = irel->r_symndx; + if (symndx < 0) + continue; + h = obj_coff_sym_hashes (input_bfd)[symndx]; + if (h == NULL) + continue; + while (h->root.type == bfd_link_hash_indirect + || h->root.type == bfd_link_hash_warning) + h = (struct coff_link_hash_entry *) h->root.u.i.link; + if (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + ps = h->root.u.def.section; + if (ps == NULL) + continue; + /* Complain if definition comes from an excluded section. */ + if (ps->flags & SEC_EXCLUDE) + (*finfo->info->callbacks->einfo) + (_("%X`%s' referenced in section `%A' of %B: " + "defined in discarded section `%A' of %B\n"), + h->root.root.string, o, input_bfd, ps, ps->owner); + } + /* Call processor specific code to relocate the section contents. */ if (! bfd_coff_relocate_section (output_bfd, finfo->info, |