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Change _bfd_elf_link_setup_gnu_properties to bfd * 

Change setup_gnu_properties to return the first relocatable ELF input
with GNU properties so that a backend can make decision based on GNU
properties.

	* elf-bfd.h (elf_backend_data): Change setup_gnu_properties
	to return bfd *.
	(_bfd_elf_link_setup_gnu_properties): Return bfd *.
	* elf-properties.c (_bfd_elf_link_setup_gnu_properties): Return
	the first relocatable ELF input with GNU properties.
This commit is contained in:
H.J. Lu 2017-04-27 09:07:23 -07:00
parent 1f78f649e8
commit fba37edd96
3 changed files with 17 additions and 6 deletions
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8
bfd/ChangeLog
View File

@ -1,3 +1,11 @@
2017-04-27 H.J. Lu <hongjiu.lu@intel.com>
* elf-bfd.h (elf_backend_data): Change setup_gnu_properties
to return bfd *.
(_bfd_elf_link_setup_gnu_properties): Return bfd *.
* elf-properties.c (_bfd_elf_link_setup_gnu_properties): Return
the first relocatable ELF input with GNU properties.
2017-04-27 H.J. Lu <hongjiu.lu@intel.com>
* elf32-i386.c (elf_i386_finish_dynamic_sections): Simplify

4
bfd/elf-bfd.h
View File

@ -1441,7 +1441,7 @@ struct elf_backend_data
elf_property *);
/* Set up GNU properties. */
void (*setup_gnu_properties) (struct bfd_link_info *);
bfd *(*setup_gnu_properties) (struct bfd_link_info *);
/* Encoding used for compact EH tables. */
int (*compact_eh_encoding) (struct bfd_link_info *);
@ -2607,7 +2607,7 @@ extern bfd_boolean _bfd_elf_parse_gnu_properties
(bfd *, Elf_Internal_Note *);
extern elf_property * _bfd_elf_get_property
(bfd *, unsigned int, unsigned int);
extern void _bfd_elf_link_setup_gnu_properties
extern bfd *_bfd_elf_link_setup_gnu_properties
(struct bfd_link_info *);
/* The linker may need to keep track of the number of relocs that it

11
bfd/elf-properties.c
View File

@ -299,9 +299,10 @@ elf_merge_gnu_property_list (bfd *abfd, elf_property_list **listp)
}
}
/* Set up GNU properties. */
/* Set up GNU properties. Return the first relocatable ELF input with
GNU properties if found. Otherwise, return NULL. */
void
bfd *
_bfd_elf_link_setup_gnu_properties (struct bfd_link_info *info)
{
bfd *abfd, *first_pbfd = NULL;
@ -336,7 +337,7 @@ _bfd_elf_link_setup_gnu_properties (struct bfd_link_info *info)
/* Do nothing if there is no .note.gnu.property section. */
if (!has_properties)
return;
return NULL;
/* Merge .note.gnu.property sections. */
for (abfd = info->input_bfds; abfd != NULL; abfd = abfd->link.next)
@ -411,7 +412,7 @@ _bfd_elf_link_setup_gnu_properties (struct bfd_link_info *info)
/* Discard .note.gnu.property section if all properties have
been removed. */
sec->output_section = bfd_abs_section_ptr;
return;
return NULL;
}
/* Compute the section size. */
@ -488,4 +489,6 @@ _bfd_elf_link_setup_gnu_properties (struct bfd_link_info *info)
/* Cache the section contents for elf_link_input_bfd. */
elf_section_data (sec)->this_hdr.contents = contents;
}
return first_pbfd;
}