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* ldlang.c (lang_output_section_find_by_flags): Handle non-alloc

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sections.
	* emultempl/elf32.em (enum orphan_save_index): Add orphan_nonalloc.
	(hold): Likewise.
	(gld${EMULATION_NAME}_place_orphan): Handle non-alloc orphans.
This commit is contained in:
Alan Modra
2008-10-21 22:55:04 +00:00
parent 570685ada8
commit 07890c0736
3 changed files with 53 additions and 9 deletions
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30
ld/ldlang.c
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@@ -1363,7 +1363,8 @@ lang_output_section_find_by_flags (const asection *sec,
return found;
}
if (sec->flags & SEC_CODE)
if ((sec->flags & SEC_CODE) != 0
&& (sec->flags & SEC_ALLOC) != 0)
{
/* Try for a rw code section. */
for (look = first; look; look = look->next)
@@ -1383,7 +1384,8 @@ lang_output_section_find_by_flags (const asection *sec,
found = look;
}
}
else if (sec->flags & (SEC_READONLY | SEC_THREAD_LOCAL))
else if ((sec->flags & (SEC_READONLY | SEC_THREAD_LOCAL)) != 0
&& (sec->flags & SEC_ALLOC) != 0)
{
/* .rodata can go after .text, .sdata2 after .rodata. */
for (look = first; look; look = look->next)
@@ -1404,7 +1406,8 @@ lang_output_section_find_by_flags (const asection *sec,
found = look;
}
}
else if (sec->flags & SEC_SMALL_DATA)
else if ((sec->flags & SEC_SMALL_DATA) != 0
&& (sec->flags & SEC_ALLOC) != 0)
{
/* .sdata goes after .data, .sbss after .sdata. */
for (look = first; look; look = look->next)
@@ -1426,7 +1429,8 @@ lang_output_section_find_by_flags (const asection *sec,
found = look;
}
}
else if (sec->flags & SEC_HAS_CONTENTS)
else if ((sec->flags & SEC_HAS_CONTENTS) != 0
&& (sec->flags & SEC_ALLOC) != 0)
{
/* .data goes after .rodata. */
for (look = first; look; look = look->next)
@@ -1446,9 +1450,9 @@ lang_output_section_find_by_flags (const asection *sec,
found = look;
}
}
else
else if ((sec->flags & SEC_ALLOC) != 0)
{
/* .bss goes last. */
/* .bss goes after any other alloc section. */
for (look = first; look; look = look->next)
{
flags = look->flags;
@@ -1465,6 +1469,20 @@ lang_output_section_find_by_flags (const asection *sec,
found = look;
}
}
else
{
/* non-alloc go last. */
for (look = first; look; look = look->next)
{
flags = look->flags;
if (look->bfd_section != NULL)
flags = look->bfd_section->flags;
flags ^= sec->flags;
if (!(flags & SEC_DEBUGGING))
found = look;
}
return found;
}
if (found || !match_type)
return found;