2006-08-01  H.J. Lu  <hongjiu.lu@intel.com>

	* ldlang.c (init_os): Add flags. Replace bfd_make_section with
	bfd_make_section_with_flags.
	(exp_init_os): Updated.
	(lang_add_section): Call init_os with flags.
	(map_input_to_output_sections): Likewise.

ld/testsuite/

2006-08-01  H.J. Lu  <hongjiu.lu@intel.com>

	* ld-elf/noload-1.d: New.
	* ld-elf/noload-1.s: Likewise.
	* ld-elf/noload-1.t: Likewise.
This commit is contained in:
H.J. Lu 2006-08-01 17:50:52 +00:00
parent b4c71f5629
commit 12d814e1a0
6 changed files with 72 additions and 35 deletions

View file

@ -1,3 +1,11 @@
2006-08-01 H.J. Lu <hongjiu.lu@intel.com>
* ldlang.c (init_os): Add flags. Replace bfd_make_section with
bfd_make_section_with_flags.
(exp_init_os): Updated.
(lang_add_section): Call init_os with flags.
(map_input_to_output_sections): Likewise.
2006-07-29 Richard Sandiford <richard@codesourcery.com>
* Makefile.am (eelf32b4300.c): Update dependencies.

View file

@ -1859,7 +1859,8 @@ sort_def_symbol (hash_entry, info)
/* Initialize an output section. */
static void
init_os (lang_output_section_statement_type *s, asection *isec)
init_os (lang_output_section_statement_type *s, asection *isec,
flagword flags)
{
if (s->bfd_section != NULL)
return;
@ -1869,7 +1870,8 @@ init_os (lang_output_section_statement_type *s, asection *isec)
s->bfd_section = bfd_get_section_by_name (output_bfd, s->name);
if (s->bfd_section == NULL)
s->bfd_section = bfd_make_section (output_bfd, s->name);
s->bfd_section = bfd_make_section_with_flags (output_bfd, s->name,
flags);
if (s->bfd_section == NULL)
{
einfo (_("%P%F: output format %s cannot represent section called %s\n"),
@ -1947,7 +1949,7 @@ exp_init_os (etree_type *exp)
os = lang_output_section_find (exp->name.name);
if (os != NULL && os->bfd_section == NULL)
init_os (os, NULL);
init_os (os, NULL, 0);
}
}
break;
@ -2022,8 +2024,32 @@ lang_add_section (lang_statement_list_type *ptr,
lang_input_section_type *new;
flagword flags;
flags = section->flags;
/* We don't copy the SEC_NEVER_LOAD flag from an input section
to an output section, because we want to be able to include a
SEC_NEVER_LOAD section in the middle of an otherwise loaded
section (I don't know why we want to do this, but we do).
build_link_order in ldwrite.c handles this case by turning
the embedded SEC_NEVER_LOAD section into a fill. */
flags &= ~ SEC_NEVER_LOAD;
switch (output->sectype)
{
case normal_section:
break;
case noalloc_section:
flags &= ~SEC_ALLOC;
break;
case noload_section:
flags &= ~SEC_LOAD;
flags |= SEC_NEVER_LOAD;
break;
}
if (output->bfd_section == NULL)
init_os (output, section);
init_os (output, section, flags);
first = ! output->bfd_section->linker_has_input;
output->bfd_section->linker_has_input = 1;
@ -2047,17 +2073,6 @@ lang_add_section (lang_statement_list_type *ptr,
new->section = section;
section->output_section = output->bfd_section;
flags = section->flags;
/* We don't copy the SEC_NEVER_LOAD flag from an input section
to an output section, because we want to be able to include a
SEC_NEVER_LOAD section in the middle of an otherwise loaded
section (I don't know why we want to do this, but we do).
build_link_order in ldwrite.c handles this case by turning
the embedded SEC_NEVER_LOAD section into a fill. */
flags &= ~ SEC_NEVER_LOAD;
/* If final link, don't copy the SEC_LINK_ONCE flags, they've
already been processed. One reason to do this is that on pe
format targets, .text$foo sections go into .text and it's odd
@ -2094,19 +2109,6 @@ lang_add_section (lang_statement_list_type *ptr,
if ((section->flags & SEC_READONLY) == 0)
output->bfd_section->flags &= ~SEC_READONLY;
switch (output->sectype)
{
case normal_section:
break;
case noalloc_section:
output->bfd_section->flags &= ~SEC_ALLOC;
break;
case noload_section:
output->bfd_section->flags &= ~SEC_LOAD;
output->bfd_section->flags |= SEC_NEVER_LOAD;
break;
}
/* Copy over SEC_SMALL_DATA. */
if (section->flags & SEC_SMALL_DATA)
output->bfd_section->flags |= SEC_SMALL_DATA;
@ -3201,6 +3203,8 @@ map_input_to_output_sections
(lang_statement_union_type *s, const char *target,
lang_output_section_statement_type *os)
{
flagword flags;
for (; s != NULL; s = s->header.next)
{
switch (s->header.type)
@ -3250,13 +3254,15 @@ map_input_to_output_sections
/* Make sure that any sections mentioned in the expression
are initialized. */
exp_init_os (s->data_statement.exp);
if (os != NULL && os->bfd_section == NULL)
init_os (os, NULL);
flags = SEC_HAS_CONTENTS;
/* The output section gets contents, and then we inspect for
any flags set in the input script which override any ALLOC. */
os->bfd_section->flags |= SEC_HAS_CONTENTS;
if (!(os->flags & SEC_NEVER_LOAD))
os->bfd_section->flags |= SEC_ALLOC | SEC_LOAD;
flags |= SEC_ALLOC | SEC_LOAD;
if (os->bfd_section == NULL)
init_os (os, NULL, flags);
else
os->bfd_section->flags |= flags;
break;
case lang_input_section_enum:
break;
@ -3266,11 +3272,11 @@ map_input_to_output_sections
case lang_padding_statement_enum:
case lang_input_statement_enum:
if (os != NULL && os->bfd_section == NULL)
init_os (os, NULL);
init_os (os, NULL, 0);
break;
case lang_assignment_statement_enum:
if (os != NULL && os->bfd_section == NULL)
init_os (os, NULL);
init_os (os, NULL, 0);
/* Make sure that any sections mentioned in the assignment
are initialized. */
@ -3298,7 +3304,7 @@ map_input_to_output_sections
(s->address_statement.section_name));
if (aos->bfd_section == NULL)
init_os (aos, NULL);
init_os (aos, NULL, 0);
aos->addr_tree = s->address_statement.address;
}
break;

View file

@ -1,3 +1,9 @@
2006-08-01 H.J. Lu <hongjiu.lu@intel.com>
* ld-elf/noload-1.d: New.
* ld-elf/noload-1.s: Likewise.
* ld-elf/noload-1.t: Likewise.
2006-07-29 Richard Sandiford <richard@codesourcery.com>
* ld-mips-elf/hash1.s, ld-mips-elf/hash1a.d,

View file

@ -0,0 +1,7 @@
#source: noload-1.s
#ld: -T noload-1.t
#readelf: -S --wide
#...
\[[ 0-9]+\] TEST[ \t]+NOBITS[ \t0-9a-f]+WA.*
#pass

View file

@ -0,0 +1,2 @@
.section TEST,"aw",%progbits
.byte 0

View file

@ -0,0 +1,8 @@
SECTIONS
{
TEST (NOLOAD) :
{
*(TEST)
}
/DISCARD/ : { *(.*) }
}