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* elf.c (map_sections_to_segments): Fix handling of .tbss.

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This commit is contained in:
Jakub Jelinek
2004-03-30 09:58:28 +00:00
parent adacfc8184
commit baaff79e16
2 changed files with 22 additions and 7 deletions
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4
bfd/ChangeLog
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@ -1,3 +1,7 @@
2004-03-30 Jakub Jelinek <jakub@redhat.com>
* elf.c (map_sections_to_segments): Fix handling of .tbss.
2004-03-27 Alan Modra <amodra@bigpond.net.au> 2004-03-27 Alan Modra <amodra@bigpond.net.au>
* Makefile.am: Remove all mention of elflink.h. * Makefile.am: Remove all mention of elflink.h.

25
bfd/elf.c
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@ -3186,6 +3186,7 @@ map_sections_to_segments (bfd *abfd)
struct elf_segment_map **pm; struct elf_segment_map **pm;
struct elf_segment_map *m; struct elf_segment_map *m;
asection *last_hdr; asection *last_hdr;
bfd_vma last_size;
unsigned int phdr_index; unsigned int phdr_index;
bfd_vma maxpagesize; bfd_vma maxpagesize;
asection **hdrpp; asection **hdrpp;
@ -3265,6 +3266,7 @@ map_sections_to_segments (bfd *abfd)
segment when the start of the second section can be placed within segment when the start of the second section can be placed within
a few bytes of the end of the first section. */ a few bytes of the end of the first section. */
last_hdr = NULL; last_hdr = NULL;
last_size = 0;
phdr_index = 0; phdr_index = 0;
maxpagesize = get_elf_backend_data (abfd)->maxpagesize; maxpagesize = get_elf_backend_data (abfd)->maxpagesize;
writable = FALSE; writable = FALSE;
@ -3313,18 +3315,19 @@ map_sections_to_segments (bfd *abfd)
segment. */ segment. */
new_segment = TRUE; new_segment = TRUE;
} }
else if (BFD_ALIGN (last_hdr->lma + last_hdr->_raw_size, maxpagesize) else if (BFD_ALIGN (last_hdr->lma + last_size, maxpagesize)
< BFD_ALIGN (hdr->lma, maxpagesize)) < BFD_ALIGN (hdr->lma, maxpagesize))
{ {
/* If putting this section in this segment would force us to /* If putting this section in this segment would force us to
skip a page in the segment, then we need a new segment. */ skip a page in the segment, then we need a new segment. */
new_segment = TRUE; new_segment = TRUE;
} }
else if ((last_hdr->flags & SEC_LOAD) == 0 else if ((last_hdr->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) == 0
&& (hdr->flags & SEC_LOAD) != 0) && (hdr->flags & (SEC_LOAD | SEC_THREAD_LOCAL)) != 0)
{ {
/* We don't want to put a loadable section after a /* We don't want to put a loadable section after a
nonloadable section in the same segment. */ nonloadable section in the same segment.
Consider .tbss sections as loadable for this purpose. */
new_segment = TRUE; new_segment = TRUE;
} }
else if ((abfd->flags & D_PAGED) == 0) else if ((abfd->flags & D_PAGED) == 0)
@ -3336,7 +3339,7 @@ map_sections_to_segments (bfd *abfd)
} }
else if (! writable else if (! writable
&& (hdr->flags & SEC_READONLY) == 0 && (hdr->flags & SEC_READONLY) == 0
&& (((last_hdr->lma + last_hdr->_raw_size - 1) && (((last_hdr->lma + last_size - 1)
& ~(maxpagesize - 1)) & ~(maxpagesize - 1))
!= (hdr->lma & ~(maxpagesize - 1)))) != (hdr->lma & ~(maxpagesize - 1))))
{ {
@ -3359,9 +3362,12 @@ map_sections_to_segments (bfd *abfd)
{ {
if ((hdr->flags & SEC_READONLY) == 0) if ((hdr->flags & SEC_READONLY) == 0)
writable = TRUE; writable = TRUE;
/* Ignore .tbss section for segment layout purposes. */
if ((hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) != SEC_THREAD_LOCAL)
last_hdr = hdr; last_hdr = hdr;
/* .tbss sections effectively have zero size. */
if ((hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) != SEC_THREAD_LOCAL)
last_size = hdr->_raw_size;
else
last_size = 0;
continue; continue;
} }
@ -3381,6 +3387,11 @@ map_sections_to_segments (bfd *abfd)
writable = FALSE; writable = FALSE;
last_hdr = hdr; last_hdr = hdr;
/* .tbss sections effectively have zero size. */
if ((hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) != SEC_THREAD_LOCAL)
last_size = hdr->_raw_size;
else
last_size = 0;
phdr_index = i; phdr_index = i;
phdr_in_segment = FALSE; phdr_in_segment = FALSE;
} }