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Align .gnu_debuglink sections on a 4-byte boundary.

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PR binutils/21193
	* opncls.c (bfd_create_gnu_debuglink_section): Give the newly
	created section 4-byte alignment.
This commit is contained in:
Nick Clifton 2017-02-22 17:28:33 +00:00
parent 25890fc239
commit 758d96d834
2 changed files with 13 additions and 0 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
2017-02-22 Nick Clifton <nickc@redhat.com>
PR binutils/21193
* opncls.c (bfd_create_gnu_debuglink_section): Give the newly
created section 4-byte alignment.
2017-02-22 Alan Modra <amodra@gmail.com> 2017-02-22 Alan Modra <amodra@gmail.com>
* elf64-ppc.c (ppc64_elf_finish_dynamic_sections): Don't segfault * elf64-ppc.c (ppc64_elf_finish_dynamic_sections): Don't segfault

7
bfd/opncls.c
View file

@ -1645,6 +1645,8 @@ bfd_create_gnu_debuglink_section (bfd *abfd, const char *filename)
if (sect == NULL) if (sect == NULL)
return NULL; return NULL;
/* Compute the size of the section. Allow for the CRC after the filename,
and padding so that it will start on a 4-byte boundary. */
debuglink_size = strlen (filename) + 1; debuglink_size = strlen (filename) + 1;
debuglink_size += 3; debuglink_size += 3;
debuglink_size &= ~3; debuglink_size &= ~3;
@ -1654,6 +1656,11 @@ bfd_create_gnu_debuglink_section (bfd *abfd, const char *filename)
/* XXX Should we delete the section from the bfd ? */ /* XXX Should we delete the section from the bfd ? */
return NULL; return NULL;
/* PR 21193: Ensure that the section has 4-byte alignment for the CRC.
Note - despite the name of the function being called, we are
setting an alignment power, not a byte alignment value. */
bfd_set_section_alignment (abfd, sect, 2);
return sect; return sect;
} }