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* section.c (bfd_section_list_remove): Don't clear s->next. 

(bfd_section_list_append): Always init s->prev.
	(bfd_section_list_prepend): Define.
	(bfd_section_list_insert_after): Minor optimization.
	(bfd_section_removed_from_list): Rewrite.
	* elf.c (assign_section_numbers): Simplify list traversal now that
	bfd_section_list_remove doesn't destroy removed section next ptr.
	* sunos.c (sunos_add_dynamic_symbols): Likewise.
	* elfxx-ia64.c (elfNN_ia64_object_p): Use bfd_section_list_prepend.
	* xcofflink.c (_bfd_xcoff_bfd_final_link): Simplify list traversal.
	* bfd-in2.h: Regenerate.
msnyder-tracepoint-checkpoint-branch
Alan Modra 22 years ago
parent
c1d05a606c
commit
04dd166740
7 changed files with 75 additions and 30 deletions
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  1. 14
      bfd/ChangeLog
  2. 33
      bfd/bfd-in2.h
  3. 5
      bfd/elf.c
  4. 2
      bfd/elfxx-ia64.c
  5. 33
      bfd/section.c
  6. 5
      bfd/sunos.c
  7. 13
      bfd/xcofflink.c

14
bfd/ChangeLog
View File

@ -1,3 +1,17 @@
2005-05-04 Alan Modra <amodra@bigpond.net.au>
* section.c (bfd_section_list_remove): Don't clear s->next.
(bfd_section_list_append): Always init s->prev.
(bfd_section_list_prepend): Define.
(bfd_section_list_insert_after): Minor optimization.
(bfd_section_removed_from_list): Rewrite.
* elf.c (assign_section_numbers): Simplify list traversal now that
bfd_section_list_remove doesn't destroy removed section next ptr.
* sunos.c (sunos_add_dynamic_symbols): Likewise.
* elfxx-ia64.c (elfNN_ia64_object_p): Use bfd_section_list_prepend.
* xcofflink.c (_bfd_xcoff_bfd_final_link): Simplify list traversal.
* bfd-in2.h: Regenerate.
2005-05-02 H.J. Lu <hongjiu.lu@intel.com>
* bfd.c (bfd): Remove section_tail and add section_last.

33
bfd/bfd-in2.h
View File

@ -1451,10 +1451,7 @@ extern const struct bfd_symbol * const bfd_ind_symbol;
else \
(ABFD)->sections = _next; \
if (_next) \
{ \
_next->prev = _prev; \
_s->next = NULL; \
} \
_next->prev = _prev; \
else \
(ABFD)->section_last = _prev; \
} \
@ -1471,10 +1468,32 @@ extern const struct bfd_symbol * const bfd_ind_symbol;
_abfd->section_last->next = _s; \
} \
else \
_abfd->sections = _s; \
{ \
_s->prev = NULL; \
_abfd->sections = _s; \
} \
_abfd->section_last = _s; \
} \
while (0)
#define bfd_section_list_prepend(ABFD, S) \
do \
{ \
asection *_s = S; \
bfd *_abfd = ABFD; \
_s->prev = NULL; \
if (_abfd->sections) \
{ \
_s->next = _abfd->sections; \
_abfd->sections->prev = _s; \
} \
else \
{ \
_s->next = NULL; \
_abfd->section_last = _s; \
} \
_abfd->sections = _s; \
} \
while (0)
#define bfd_section_list_insert_after(ABFD, A, S) \
do \
{ \
@ -1485,7 +1504,7 @@ extern const struct bfd_symbol * const bfd_ind_symbol;
_s->prev = _a; \
_a->next = _s; \
if (_next) \
_s->next->prev = _s; \
_next->prev = _s; \
else \
(ABFD)->section_last = _s; \
} \
@ -1506,7 +1525,7 @@ extern const struct bfd_symbol * const bfd_ind_symbol;
} \
while (0)
#define bfd_section_removed_from_list(ABFD, S) \
((S)->next == NULL && (S) != (ABFD)->section_last)
((S)->next == NULL ? (ABFD)->section_last != (S) : (S)->next->prev != (S))
void bfd_section_list_clear (bfd *);

5
bfd/elf.c
View File

@ -2762,14 +2762,11 @@ assign_section_numbers (bfd *abfd, struct bfd_link_info *link_info)
/* SHT_GROUP sections are in relocatable files only. */
if (link_info == NULL || link_info->relocatable)
{
asection *n;
/* Put SHT_GROUP sections first. */
for (sec = abfd->sections; sec; sec = n)
for (sec = abfd->sections; sec != NULL; sec = sec->next)
{
d = elf_section_data (sec);
n = sec->next;
if (d->this_hdr.sh_type == SHT_GROUP)
{
if (sec->flags & SEC_LINKER_CREATED)

2
bfd/elfxx-ia64.c
View File

@ -4934,7 +4934,7 @@ elfNN_ia64_object_p (bfd *abfd)
/* Move the fake group section to the beginning. */
bfd_section_list_remove (abfd, group);
bfd_section_list_insert_before (abfd, abfd->sections, group);
bfd_section_list_prepend (abfd, group);
elf_next_in_group (group) = sec;

33
bfd/section.c
View File

@ -552,10 +552,7 @@ CODE_FRAGMENT
. else \
. (ABFD)->sections = _next; \
. if (_next) \
. { \
. _next->prev = _prev; \
. _s->next = NULL; \
. } \
. _next->prev = _prev; \
. else \
. (ABFD)->section_last = _prev; \
. } \
@ -572,10 +569,32 @@ CODE_FRAGMENT
. _abfd->section_last->next = _s; \
. } \
. else \
. _abfd->sections = _s; \
. { \
. _s->prev = NULL; \
. _abfd->sections = _s; \
. } \
. _abfd->section_last = _s; \
. } \
. while (0)
.#define bfd_section_list_prepend(ABFD, S) \
. do \
. { \
. asection *_s = S; \
. bfd *_abfd = ABFD; \
. _s->prev = NULL; \
. if (_abfd->sections) \
. { \
. _s->next = _abfd->sections; \
. _abfd->sections->prev = _s; \
. } \
. else \
. { \
. _s->next = NULL; \
. _abfd->section_last = _s; \
. } \
. _abfd->sections = _s; \
. } \
. while (0)
.#define bfd_section_list_insert_after(ABFD, A, S) \
. do \
. { \
@ -586,7 +605,7 @@ CODE_FRAGMENT
. _s->prev = _a; \
. _a->next = _s; \
. if (_next) \
. _s->next->prev = _s; \
. _next->prev = _s; \
. else \
. (ABFD)->section_last = _s; \
. } \
@ -607,7 +626,7 @@ CODE_FRAGMENT
. } \
. while (0)
.#define bfd_section_removed_from_list(ABFD, S) \
. ((S)->next == NULL && (S) != (ABFD)->section_last)
. ((S)->next == NULL ? (ABFD)->section_last != (S) : (S)->next->prev != (S))
.
*/

5
bfd/sunos.c
View File

@ -859,11 +859,10 @@ sunos_add_dynamic_symbols (bfd *abfd,
abfd->sections = NULL;
else
{
asection *s, *n;
asection *s;
for (s = abfd->sections; s != NULL; s = n)
for (s = abfd->sections; s != NULL; s = s->next)
{
n = s->next;
if ((s->flags & SEC_LINKER_CREATED) == 0)
bfd_section_list_remove (abfd, s);
}

13
bfd/xcofflink.c
View File

@ -5436,19 +5436,18 @@ _bfd_xcoff_bfd_final_link (bfd *abfd, struct bfd_link_info *info)
{
bfd_boolean saw_contents;
int indx;
asection **op;
file_ptr sofar;
/* Insert .pad sections before every section which has
contents and is loaded, if it is preceded by some other
section which has contents and is loaded. */
saw_contents = TRUE;
for (op = &abfd->sections; *op != NULL; op = &(*op)->next)
for (o = abfd->sections; o != NULL; o = o->next)
{
if (strcmp ((*op)->name, ".pad") == 0)
if (strcmp (o->name, ".pad") == 0)
saw_contents = FALSE;
else if (((*op)->flags & SEC_HAS_CONTENTS) != 0
&& ((*op)->flags & SEC_LOAD) != 0)
else if ((o->flags & SEC_HAS_CONTENTS) != 0
&& (o->flags & SEC_LOAD) != 0)
{
if (! saw_contents)
saw_contents = TRUE;
@ -5465,9 +5464,7 @@ _bfd_xcoff_bfd_final_link (bfd *abfd, struct bfd_link_info *info)
n->alignment_power = 0;
bfd_section_list_remove (abfd, n);
bfd_section_list_insert_before (abfd, *op, n);
op = &n->next;
bfd_section_list_insert_before (abfd, o, n);
saw_contents = FALSE;
}
}

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