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2010-09-22 Kai Tietz <kai.tietz@onevision.com>

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* ldlang.c (lang_add_section): Allow for debugging
        section to be marked as noload but to keep content.
        (IGNORE_SECTION): Likewise.
        (lang_check_section_addresses): Likewise.
        * ldwrite.c (build_link_order): Likewise.
This commit is contained in:
Kai Tietz 2010-09-22 14:20:24 +00:00
parent 72e4db75e8
commit e4b0fe2fa7
3 changed files with 22 additions and 4 deletions
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6
ld/ChangeLog
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@ -1,5 +1,11 @@
2010-09-22 Kai Tietz <kai.tietz@onevision.com>
* ldlang.c (lang_add_section): Allow for debugging
section to be marked as noload but to keep content.
(IGNORE_SECTION): Likewise.
(lang_check_section_addresses): Likewise.
* ldwrite.c (build_link_order): Likewise.
* emultempl/pe.em (gld_${EMULATION_NAME}_place_orphan): Add
idata to orphan set.
* emultempl/pep.em: Likewise.

17
ld/ldlang.c
View file

@ -2245,7 +2245,15 @@ lang_add_section (lang_statement_list_type *ptr,
case noload_section:
flags &= ~SEC_LOAD;
flags |= SEC_NEVER_LOAD;
if ((flags & SEC_COFF_SHARED_LIBRARY) == 0)
if (((bfd_get_flavour (section->owner)
== bfd_target_ecoff_flavour)
|| (bfd_get_flavour (section->owner)
== bfd_target_coff_flavour)))
{
if ((flags & (SEC_COFF_SHARED_LIBRARY | SEC_DEBUGGING)) == 0)
flags &= ~SEC_HAS_CONTENTS;
}
else
flags &= ~SEC_HAS_CONTENTS;
break;
}
@ -4555,8 +4563,11 @@ sort_sections_by_lma (const void *arg1, const void *arg2)
return 0;
}
/* On ELF, a debugging section must never set SEC_NEVER_LOAD, as no output
would be written for it. So the combination of debugging and never-load
is something which can only happen for pe-coff and must not be ignored. */
#define IGNORE_SECTION(s) \
((s->flags & SEC_NEVER_LOAD) != 0 \
((s->flags & (SEC_NEVER_LOAD | SEC_DEBUGGING)) == SEC_NEVER_LOAD \
|| (s->flags & SEC_ALLOC) == 0 \
|| ((s->flags & SEC_THREAD_LOCAL) != 0 \
&& (s->flags & SEC_LOAD) == 0))
@ -4590,7 +4601,7 @@ lang_check_section_addresses (void)
for (s = link_info.output_bfd->sections; s != NULL; s = s->next)
{
/* Only consider loadable sections with real contents. */
if ((s->flags & SEC_NEVER_LOAD)
if ((s->flags & (SEC_NEVER_LOAD | SEC_DEBUGGING)) == SEC_NEVER_LOAD
|| !(s->flags & SEC_LOAD)
|| !(s->flags & SEC_ALLOC)
|| s->size == 0)

3
ld/ldwrite.c
View file

@ -245,7 +245,8 @@ build_link_order (lang_statement_union_type *statement)
link_order = bfd_new_link_order (link_info.output_bfd,
output_section);
if (i->flags & SEC_NEVER_LOAD)
if ((i->flags & SEC_NEVER_LOAD) != 0
&& (i->flags & SEC_DEBUGGING) == 0)
{
/* We've got a never load section inside one which
is going to be output, we'll change it into a