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Diffstat (limited to 'bfd/elf32-arm.c')
-rw-r--r--bfd/elf32-arm.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index e9c0d20..70d6ac0 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -7493,9 +7493,11 @@ arm_movt_immediate (bfd_vma value)
ROOT_PLT points to the offset of the PLT entry from the start of its
section (.iplt or .plt). ARM_PLT points to the symbol's ARM-specific
- bookkeeping information. */
+ bookkeeping information.
-static void
+ Returns FALSE if there was a problem. */
+
+static bfd_boolean
elf32_arm_populate_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
union gotplt_union *root_plt,
struct arm_plt_info *arm_plt,
@@ -7685,6 +7687,16 @@ elf32_arm_populate_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
| (tail_displacement & 0x00ffffff),
ptr + 12);
}
+ else if (using_thumb_only (htab))
+ {
+ /* PR ld/16017: Do not generate ARM instructions for
+ the PLT if compiling for a thumb-only target.
+
+ FIXME: We ought to be able to generate thumb PLT instructions... */
+ _bfd_error_handler (_("%B: Warning: thumb mode PLT generation not currently supported"),
+ output_bfd);
+ return FALSE;
+ }
else
{
/* Calculate the displacement between the PLT slot and the
@@ -7750,6 +7762,8 @@ elf32_arm_populate_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
loc = srel->contents + plt_index * RELOC_SIZE (htab);
SWAP_RELOC_OUT (htab) (output_bfd, &rel, loc);
}
+
+ return TRUE;
}
/* Some relocations map to different relocations depending on the
@@ -8165,9 +8179,11 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
plt_offset--;
else
{
- elf32_arm_populate_plt_entry (output_bfd, info, root_plt, arm_plt,
- -1, dynreloc_value);
- root_plt->offset |= 1;
+ if (elf32_arm_populate_plt_entry (output_bfd, info, root_plt, arm_plt,
+ -1, dynreloc_value))
+ root_plt->offset |= 1;
+ else
+ return bfd_reloc_notsupported;
}
/* Static relocations always resolve to the .iplt entry. */
@@ -14017,8 +14033,9 @@ elf32_arm_finish_dynamic_symbol (bfd * output_bfd,
if (!eh->is_iplt)
{
BFD_ASSERT (h->dynindx != -1);
- elf32_arm_populate_plt_entry (output_bfd, info, &h->plt, &eh->plt,
- h->dynindx, 0);
+ if (! elf32_arm_populate_plt_entry (output_bfd, info, &h->plt, &eh->plt,
+ h->dynindx, 0))
+ return FALSE;
}
if (!h->def_regular)