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Correct assertion in NIOS2 linker to allow signed 16-buit immediate values.

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PR 19405
	* elf32-nios2.c (nios2_elf32_install_imm16): Allow for signed
	immediate values.
	* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Limit the
	number of messages about FDE encoding preventing .eh_frame_hdr
	generation.
This commit is contained in:
Nick Clifton 2016-02-10 11:25:59 +00:00
parent 52cf9762c5
commit 83da6e748c
3 changed files with 25 additions and 4 deletions
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9
bfd/ChangeLog
View file

@ -1,3 +1,12 @@
2016-02-10 Nick Clifton <nickc@redhat.com>
PR 19405
* elf32-nios2.c (nios2_elf32_install_imm16): Allow for signed
immediate values.
* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Limit the
number of messages about FDE encoding preventing .eh_frame_hdr
generation.
2016-02-09 Nick Clifton <nickc@redhat.com>
* oasys.c (oasys_archive_p): Fix indentation.

18
bfd/elf-eh-frame.c
View file

@ -1369,14 +1369,26 @@ _bfd_elf_discard_section_eh_frame
&& ent->make_relative == 0)
|| (ent->fde_encoding & 0x70) == DW_EH_PE_aligned))
{
static int num_warnings_issued = 0;
/* If a shared library uses absolute pointers
which we cannot turn into PC relative,
don't create the binary search table,
since it is affected by runtime relocations. */
hdr_info->u.dwarf.table = FALSE;
(*info->callbacks->einfo)
(_("%P: FDE encoding in %B(%A) prevents .eh_frame_hdr"
" table being created.\n"), abfd, sec);
if (num_warnings_issued < 10)
{
(*info->callbacks->einfo)
(_("%P: FDE encoding in %B(%A) prevents .eh_frame_hdr"
" table being created.\n"), abfd, sec);
num_warnings_issued ++;
}
else if (num_warnings_issued == 10)
{
(*info->callbacks->einfo)
(_("%P: Further warnings about FDE encoding preventing .eh_frame_hdr generation dropped.\n"));
num_warnings_issued ++;
}
}
ent->removed = 0;
hdr_info->u.dwarf.fde_count++;

2
bfd/elf32-nios2.c
View file

@ -1905,7 +1905,7 @@ nios2_elf32_install_imm16 (asection *sec, bfd_vma offset, bfd_vma value)
{
bfd_vma word = bfd_get_32 (sec->owner, sec->contents + offset);
BFD_ASSERT(value <= 0xffff);
BFD_ASSERT (value <= 0xffff || ((bfd_signed_vma) value) >= -0xffff);
bfd_put_32 (sec->owner, word | ((value & 0xffff) << 6),
sec->contents + offset);