* elf64-ppc.c (struct ppc_link_hash_table): Reinstate top_index.
Restore previous input_list type. (ppc64_elf_link_hash_table_create): Undo last change. (ppc64_elf_setup_section_lists): Reinstate code setting up input lists per output section, but don't bother with bfd_abs_section marker. (ppc64_elf_next_input_section): Adjust for multiple input section lists. (group_sections): Likewise.
This commit is contained in:
Alan Modra
parent
23fbd6fa70
commit
734b6cf9ae
@ -1,3 +1,14 @@
|
||||
2003-06-17 Alan Modra <amodra@bigpond.net.au>
|
||||
|
||||
* elf64-ppc.c (struct ppc_link_hash_table): Reinstate top_index.
|
||||
Restore previous input_list type.
|
||||
(ppc64_elf_link_hash_table_create): Undo last change.
|
||||
(ppc64_elf_setup_section_lists): Reinstate code setting up input lists
|
||||
per output section, but don't bother with bfd_abs_section marker.
|
||||
(ppc64_elf_next_input_section): Adjust for multiple input section
|
||||
lists.
|
||||
(group_sections): Likewise.
|
||||
|
||||
2003-06-17 Jakub Jelinek <jakub@redhat.com>
|
||||
|
||||
* elf64-ppc.c (ppc64_elf_relocation_section): Ensure
|
||||
|
||||
150
bfd/elf64-ppc.c
150
bfd/elf64-ppc.c
@ -2773,8 +2773,11 @@ struct ppc_link_hash_table
|
||||
/* Temp used when calculating TOC pointers. */
|
||||
bfd_vma toc_curr;
|
||||
|
||||
/* List of input code sections used by ppc64_elf_size_stubs. */
|
||||
asection *input_list;
|
||||
/* Highest output section index. */
|
||||
int top_index;
|
||||
|
||||
/* List of input sections for each output section. */
|
||||
asection **input_list;
|
||||
|
||||
/* Short-cuts to get to dynamic linker sections. */
|
||||
asection *sgot;
|
||||
@ -3053,7 +3056,6 @@ ppc64_elf_link_hash_table_create (abfd)
|
||||
htab->no_multi_toc = 0;
|
||||
htab->multi_toc_needed = 0;
|
||||
htab->toc_curr = 0;
|
||||
htab->input_list = NULL;
|
||||
htab->sgot = NULL;
|
||||
htab->srelgot = NULL;
|
||||
htab->splt = NULL;
|
||||
@ -6500,8 +6502,9 @@ ppc64_elf_setup_section_lists (output_bfd, info)
|
||||
struct bfd_link_info *info;
|
||||
{
|
||||
bfd *input_bfd;
|
||||
int top_id, id;
|
||||
int top_id, top_index, id;
|
||||
asection *section;
|
||||
asection **input_list;
|
||||
bfd_size_type amt;
|
||||
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
||||
|
||||
@ -6532,6 +6535,25 @@ ppc64_elf_setup_section_lists (output_bfd, info)
|
||||
htab->stub_group[id].toc_off = TOC_BASE_OFF;
|
||||
|
||||
elf_gp (output_bfd) = htab->toc_curr = ppc64_elf_toc (output_bfd);
|
||||
|
||||
/* We can't use output_bfd->section_count here to find the top output
|
||||
section index as some sections may have been removed, and
|
||||
_bfd_strip_section_from_output doesn't renumber the indices. */
|
||||
for (section = output_bfd->sections, top_index = 0;
|
||||
section != NULL;
|
||||
section = section->next)
|
||||
{
|
||||
if (top_index < section->index)
|
||||
top_index = section->index;
|
||||
}
|
||||
|
||||
htab->top_index = top_index;
|
||||
amt = sizeof (asection *) * (top_index + 1);
|
||||
input_list = (asection **) bfd_zmalloc (amt);
|
||||
htab->input_list = input_list;
|
||||
if (input_list == NULL)
|
||||
return -1;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
@ -6588,14 +6610,16 @@ ppc64_elf_next_input_section (info, isec)
|
||||
{
|
||||
struct ppc_link_hash_table *htab = ppc_hash_table (info);
|
||||
|
||||
if ((isec->output_section->flags & SEC_CODE) != 0)
|
||||
if ((isec->output_section->flags & SEC_CODE) != 0
|
||||
&& isec->output_section->index <= htab->top_index)
|
||||
{
|
||||
asection **list = htab->input_list + isec->output_section->index;
|
||||
/* Steal the link_sec pointer for our list. */
|
||||
#define PREV_SEC(sec) (htab->stub_group[(sec)->id].link_sec)
|
||||
/* This happens to make the list in reverse order,
|
||||
which is what we want. */
|
||||
PREV_SEC (isec) = htab->input_list;
|
||||
htab->input_list = isec;
|
||||
PREV_SEC (isec) = *list;
|
||||
*list = isec;
|
||||
}
|
||||
|
||||
/* If a code section has a function that uses the TOC then we need
|
||||
@ -6624,73 +6648,73 @@ group_sections (htab, stub_group_size, stubs_always_before_branch)
|
||||
bfd_size_type stub_group_size;
|
||||
bfd_boolean stubs_always_before_branch;
|
||||
{
|
||||
asection *tail = htab->input_list;
|
||||
while (tail != NULL)
|
||||
asection **list = htab->input_list + htab->top_index;
|
||||
do
|
||||
{
|
||||
asection *curr;
|
||||
asection *prev;
|
||||
bfd_size_type total;
|
||||
bfd_boolean big_sec;
|
||||
bfd_vma curr_toc;
|
||||
|
||||
curr = tail;
|
||||
if (tail->_cooked_size)
|
||||
total = tail->_cooked_size;
|
||||
else
|
||||
total = tail->_raw_size;
|
||||
big_sec = total >= stub_group_size;
|
||||
curr_toc = htab->stub_group[tail->id].toc_off;
|
||||
|
||||
while ((prev = PREV_SEC (curr)) != NULL
|
||||
&& ((total += (curr->output_section->vma
|
||||
+ curr->output_offset
|
||||
- prev->output_section->vma
|
||||
- prev->output_offset))
|
||||
< stub_group_size)
|
||||
&& htab->stub_group[prev->id].toc_off == curr_toc)
|
||||
curr = prev;
|
||||
|
||||
/* OK, the size from the start of CURR to the end is less
|
||||
than stub_group_size and thus can be handled by one stub
|
||||
section. (or the tail section is itself larger than
|
||||
stub_group_size, in which case we may be toast.) We
|
||||
should really be keeping track of the total size of stubs
|
||||
added here, as stubs contribute to the final output
|
||||
section size. That's a little tricky, and this way will
|
||||
only break if stubs added make the total size more than
|
||||
2^25, ie. for the default stub_group_size, if stubs total
|
||||
more than 2097152 bytes, or nearly 75000 plt call stubs. */
|
||||
do
|
||||
asection *tail = *list;
|
||||
while (tail != NULL)
|
||||
{
|
||||
prev = PREV_SEC (tail);
|
||||
/* Set up this stub group. */
|
||||
htab->stub_group[tail->id].link_sec = curr;
|
||||
}
|
||||
while (tail != curr && (tail = prev) != NULL);
|
||||
asection *curr;
|
||||
asection *prev;
|
||||
bfd_size_type total;
|
||||
bfd_boolean big_sec;
|
||||
bfd_vma curr_toc;
|
||||
|
||||
/* But wait, there's more! Input sections up to stub_group_size
|
||||
bytes before the stub section can be handled by it too.
|
||||
Don't do this if we have a really large section after the
|
||||
stubs, as adding more stubs increases the chance that
|
||||
branches may not reach into the stub section. */
|
||||
if (!stubs_always_before_branch && !big_sec)
|
||||
{
|
||||
total = 0;
|
||||
while (prev != NULL
|
||||
&& ((total += (tail->output_section->vma
|
||||
+ tail->output_offset
|
||||
- prev->output_section->vma
|
||||
- prev->output_offset))
|
||||
curr = tail;
|
||||
if (tail->_cooked_size)
|
||||
total = tail->_cooked_size;
|
||||
else
|
||||
total = tail->_raw_size;
|
||||
big_sec = total >= stub_group_size;
|
||||
curr_toc = htab->stub_group[tail->id].toc_off;
|
||||
|
||||
while ((prev = PREV_SEC (curr)) != NULL
|
||||
&& ((total += curr->output_offset - prev->output_offset)
|
||||
< stub_group_size)
|
||||
&& htab->stub_group[prev->id].toc_off == curr_toc)
|
||||
curr = prev;
|
||||
|
||||
/* OK, the size from the start of CURR to the end is less
|
||||
than stub_group_size and thus can be handled by one stub
|
||||
section. (or the tail section is itself larger than
|
||||
stub_group_size, in which case we may be toast.) We
|
||||
should really be keeping track of the total size of stubs
|
||||
added here, as stubs contribute to the final output
|
||||
section size. That's a little tricky, and this way will
|
||||
only break if stubs added make the total size more than
|
||||
2^25, ie. for the default stub_group_size, if stubs total
|
||||
more than 2097152 bytes, or nearly 75000 plt call stubs. */
|
||||
do
|
||||
{
|
||||
tail = prev;
|
||||
prev = PREV_SEC (tail);
|
||||
/* Set up this stub group. */
|
||||
htab->stub_group[tail->id].link_sec = curr;
|
||||
}
|
||||
while (tail != curr && (tail = prev) != NULL);
|
||||
|
||||
/* But wait, there's more! Input sections up to stub_group_size
|
||||
bytes before the stub section can be handled by it too.
|
||||
Don't do this if we have a really large section after the
|
||||
stubs, as adding more stubs increases the chance that
|
||||
branches may not reach into the stub section. */
|
||||
if (!stubs_always_before_branch && !big_sec)
|
||||
{
|
||||
total = 0;
|
||||
while (prev != NULL
|
||||
&& ((total += tail->output_offset - prev->output_offset)
|
||||
< stub_group_size)
|
||||
&& htab->stub_group[prev->id].toc_off == curr_toc)
|
||||
{
|
||||
tail = prev;
|
||||
prev = PREV_SEC (tail);
|
||||
htab->stub_group[tail->id].link_sec = curr;
|
||||
}
|
||||
}
|
||||
tail = prev;
|
||||
}
|
||||
tail = prev;
|
||||
}
|
||||
while (list-- != htab->input_list);
|
||||
free (htab->input_list);
|
||||
#undef PREV_SEC
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user