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Fix the linker script parser so that it will recognise the PT_GNU_RELRO segment type, and the linker itself so that it will gracefully handle being unable to assign any sections to such a segment.

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PR 28452
bfd	* elf.c (assign_file_positions_for_non_load_sections): Replace
	assertion with a warning message.

ld	* ldgram.y: Add support for PT_GNU_RELRO and PT_GNU_PROPERTY.
	* ldgram.c: Regenerate.
This commit is contained in:
Nick Clifton 2021-11-17 15:59:16 +00:00
parent 0df670bbe0
commit ee9e412f14
4 changed files with 24 additions and 3 deletions
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6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
2021-11-17 Nick Clifton <nickc@redhat.com>
PR 28452
* elf.c (assign_file_positions_for_non_load_sections): Replace
assertion with a warning message.
2021-10-19 Nick Clifton <nickc@redhat.com>
* linker.c (_bfd_generic_link_add_one_symbol): Test for a NULL

11
bfd/elf.c
View File

@ -6261,10 +6261,15 @@ assign_file_positions_for_non_load_sections (bfd *abfd,
}
}
}
if (link_info != NULL)
BFD_ASSERT (ok);
if (!ok)
memset (p, 0, sizeof *p);
{
if (link_info != NULL)
_bfd_error_handler
(_("%pB: warning: unable to allocate any sections to PT_GNU_RELRO segment"),
abfd);
memset (p, 0, sizeof *p);
}
}
else if (p->p_type == PT_GNU_STACK)
{

6
ld/ChangeLog
View File

@ -1,3 +1,9 @@
2021-11-17 Nick Clifton <nickc@redhat.com>
PR 28452
* ldgram.y: Add support for PT_GNU_RELRO and PT_GNU_PROPERTY.
* ldgram.c: Regenerate.
2021-11-15 Roland McGrath <mcgrathr@google.com>
* testsuite/ld-aarch64/dt_textrel.d: Pass explicit -z notext in

4
ld/ldgram.y
View File

@ -1262,6 +1262,10 @@ phdr_type:
$$ = exp_intop (0x6474e550);
else if (strcmp (s, "PT_GNU_STACK") == 0)
$$ = exp_intop (0x6474e551);
else if (strcmp (s, "PT_GNU_RELRO") == 0)
$$ = exp_intop (0x6474e552);
else if (strcmp (s, "PT_GNU_PROPERTY") == 0)
$$ = exp_intop (0x6474e553);
else
{
einfo (_("\