/* SPARC-specific support for ELF
- Copyright (C) 2005-2016 Free Software Foundation, Inc.
+ Copyright (C) 2005-2017 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
return address - got_base;
}
+/* Return whether H is local and its ADDRESS is within 4G of
+ _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
+ sethi, xor sequence. */
+
+static bfd_boolean
+gdop_relative_offset_ok (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h,
+ bfd_vma address ATTRIBUTE_UNUSED)
+{
+ if (!SYMBOL_REFERENCES_LOCAL (info, h))
+ return FALSE;
+ /* If H is undefined, ADDRESS will be zero. We can't allow a
+ relative offset to "zero" when producing PIEs or shared libs.
+ Note that to get here with an undefined symbol it must also be
+ hidden or internal visibility. */
+ if (bfd_link_pic (info)
+ && h != NULL
+ && (h->root.type == bfd_link_hash_undefweak
+ || h->root.type == bfd_link_hash_undefined))
+ return FALSE;
+#ifdef BFD64
+ return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
+#else
+ return TRUE;
+#endif
+}
+
/* Relocate a SPARC ELF section. */
bfd_boolean
{
case R_SPARC_GOTDATA_OP_HIX22:
case R_SPARC_GOTDATA_OP_LOX10:
- if (SYMBOL_REFERENCES_LOCAL (info, h))
+ if (gdop_relative_offset_ok (info, h, relocation))
{
r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
? R_SPARC_GOTDATA_HIX22
break;
case R_SPARC_GOTDATA_OP:
- if (SYMBOL_REFERENCES_LOCAL (info, h))
+ if (gdop_relative_offset_ok (info, h, relocation))
{
bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
+ h->root.u.def.section->output_offset);
rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
rela.r_addend = 0;
- if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
+ if (h->root.u.def.section == htab->elf.sdynrelro)
s = htab->elf.sreldynrelro;
else
s = htab->elf.srelbss;