ld, gold: remove support for -z bndplt (MPX prefix)

bfd/ChangeLog:

	* elf-linker-x86.h (struct elf_linker_x86_params): Remove
	bndplt.
	* elf64-x86-64.c (elf_x86_64_scan_relocs): Ignore
        R_X86_64_PLT32_BND.
	(elf_x86_64_relocate_section): Similarly here.
	(elf_x86_64_link_setup_gnu_properties): Ignore bndplt.
	* elfxx-x86.c: Likewise.
	* elfxx-x86.h: Likewise.

gold/ChangeLog:

	* NEWS: Document -z bndplt.
	* options.h (class General_options): Remove bndplt option.
	* x86_64.cc (class Output_data_plt_x86_64_bnd): Remove.
	(Target_x86_64::do_make_data_plt): Do not use
	Output_data_plt_x86_64_bnd.
	(Target_x86_64::Scan::get_reference_flags): Likewise.
	(Target_x86_64::Scan::check_non_pic): Likewise.
	(Target_x86_64::Scan::local): Likewise.
	(Target_x86_64::Scan::global): Likewise.

ld/ChangeLog:

	* NEWS: Document -z bndplt.
	* emulparams/elf_x86_64.sh: Remove bndplt option.
	* ld.texi: Likewise.
	* testsuite/ld-x86-64/x86-64.exp:
	* testsuite/ld-x86-64/bnd-branch-1-now.d: Removed.
	* testsuite/ld-x86-64/bnd-branch-1.d: Removed.
	* testsuite/ld-x86-64/bnd-branch-1.s: Removed.
	* testsuite/ld-x86-64/bnd-ifunc-1-now.d: Removed.
	* testsuite/ld-x86-64/bnd-ifunc-1.d: Removed.
	* testsuite/ld-x86-64/bnd-ifunc-1.s: Removed.
	* testsuite/ld-x86-64/bnd-ifunc-2-now.d: Removed.
	* testsuite/ld-x86-64/bnd-ifunc-2.d: Removed.
	* testsuite/ld-x86-64/bnd-ifunc-2.s: Removed.
	* testsuite/ld-x86-64/bnd-plt-1-now.d: Removed.
	* testsuite/ld-x86-64/bnd-plt-1.d: Removed.
	* testsuite/ld-x86-64/mpx.exp: Removed.
	* testsuite/ld-x86-64/mpx1.out: Removed.
	* testsuite/ld-x86-64/mpx1a.c: Removed.
	* testsuite/ld-x86-64/mpx1a.rd: Removed.
	* testsuite/ld-x86-64/mpx1b.c: Removed.
	* testsuite/ld-x86-64/mpx1c.c: Removed.
	* testsuite/ld-x86-64/mpx1c.rd: Removed.
	* testsuite/ld-x86-64/mpx2.out: Removed.
	* testsuite/ld-x86-64/mpx2a.c: Removed.
	* testsuite/ld-x86-64/mpx2a.rd: Removed.
	* testsuite/ld-x86-64/mpx2b.c: Removed.
	* testsuite/ld-x86-64/mpx2c.c: Removed.
	* testsuite/ld-x86-64/mpx2c.rd: Removed.
	* testsuite/ld-x86-64/mpx3.dd: Removed.
	* testsuite/ld-x86-64/mpx3a.s: Removed.
	* testsuite/ld-x86-64/mpx3b.s: Removed.
	* testsuite/ld-x86-64/mpx3n.dd: Removed.
	* testsuite/ld-x86-64/mpx4.dd: Removed.
	* testsuite/ld-x86-64/mpx4a.s: Removed.
	* testsuite/ld-x86-64/mpx4b.s: Removed.
	* testsuite/ld-x86-64/mpx4n.dd: Removed.
	* testsuite/ld-x86-64/pr20800a.S: Removed.
	* testsuite/ld-x86-64/pr20800b.S: Removed.
	* testsuite/ld-x86-64/pr21038a-now.d: Removed.
	* testsuite/ld-x86-64/pr21038a.d: Removed.
	* testsuite/ld-x86-64/pr21038a.s: Removed.
	* testsuite/ld-x86-64/pr21038b-now.d: Removed.
	* testsuite/ld-x86-64/pr21038b.d: Removed.
	* testsuite/ld-x86-64/pr21038b.s: Removed.
	* testsuite/ld-x86-64/pr21038c-now.d: Removed.
	* testsuite/ld-x86-64/pr21038c.d: Removed.
	* testsuite/ld-x86-64/pr21038c.s: Removed.

3 files changed, 5 insertions, 437 deletions

diff --git a/gold/NEWS b/gold/NEWS
index edc0015abbd..cf451c1f21d 100644
--- a/gold/NEWS
+++ b/gold/NEWS
@@ -1,7 +1,10 @@
 * gold and dwp now support zstd compressed debug sections.
+
 * The new option --compress-debug-sections=zstd compresses debug sections with
   zstd.
 
+* Remove support for -z bndplt (MPX prefix instructions).
+
 Changes in 1.16:
 
 * Improve warning messages for relocations that refer to discarded sections.
diff --git a/gold/options.h b/gold/options.h
index 7d619734ab8..0f1fc963d58 100644
--- a/gold/options.h
+++ b/gold/options.h
@@ -1460,9 +1460,6 @@ class General_options
 
   // The -z options.
 
-  DEFINE_bool(bndplt, options::DASH_Z, '\0', false,
-	      N_("(x86-64 only) Generate a BND PLT for Intel MPX"),
-	      N_("Generate a regular PLT"));
   DEFINE_bool(combreloc, options::DASH_Z, '\0', true,
 	      N_("Sort dynamic relocs"),
 	      N_("Do not sort dynamic relocs"));
diff --git a/gold/x86_64.cc b/gold/x86_64.cc
index 83684b90fcf..0c04b9ba5bb 100644
--- a/gold/x86_64.cc
+++ b/gold/x86_64.cc
@@ -430,118 +430,6 @@ class Output_data_plt_x86_64_standard : public Output_data_plt_x86_64<size>
   static const unsigned char plt_eh_frame_fde[plt_eh_frame_fde_size];
 };
 
-class Output_data_plt_x86_64_bnd : public Output_data_plt_x86_64<64>
-{
- public:
-  Output_data_plt_x86_64_bnd(Layout* layout,
-			     Output_data_got<64, false>* got,
-			     Output_data_got_plt_x86_64* got_plt,
-			     Output_data_space* got_irelative)
-    : Output_data_plt_x86_64<64>(layout, plt_entry_size,
-				 got, got_plt, got_irelative),
-      aplt_offset_(0)
-  { }
-
-  Output_data_plt_x86_64_bnd(Layout* layout,
-			     Output_data_got<64, false>* got,
-			     Output_data_got_plt_x86_64* got_plt,
-			     Output_data_space* got_irelative,
-			     unsigned int plt_count)
-    : Output_data_plt_x86_64<64>(layout, plt_entry_size,
-				 got, got_plt, got_irelative,
-				 plt_count),
-      aplt_offset_(0)
-  { }
-
- protected:
-  virtual unsigned int
-  do_get_plt_entry_size() const
-  { return plt_entry_size; }
-
-  // Return the PLT address to use for a global symbol.
-  uint64_t
-  do_address_for_global(const Symbol*);
-
-  // Return the PLT address to use for a local symbol.
-  uint64_t
-  do_address_for_local(const Relobj*, unsigned int symndx);
-
-  virtual void
-  do_add_eh_frame(Layout* layout)
-  {
-    layout->add_eh_frame_for_plt(this,
-				 this->plt_eh_frame_cie,
-				 this->plt_eh_frame_cie_size,
-				 plt_eh_frame_fde,
-				 plt_eh_frame_fde_size);
-  }
-
-  virtual void
-  do_fill_first_plt_entry(unsigned char* pov,
-			  elfcpp::Elf_types<64>::Elf_Addr got_addr,
-			  elfcpp::Elf_types<64>::Elf_Addr plt_addr);
-
-  virtual unsigned int
-  do_fill_plt_entry(unsigned char* pov,
-		    elfcpp::Elf_types<64>::Elf_Addr got_address,
-		    elfcpp::Elf_types<64>::Elf_Addr plt_address,
-		    unsigned int got_offset,
-		    unsigned int plt_offset,
-		    unsigned int plt_index);
-
-  virtual void
-  do_fill_tlsdesc_entry(unsigned char* pov,
-			elfcpp::Elf_types<64>::Elf_Addr got_address,
-			elfcpp::Elf_types<64>::Elf_Addr plt_address,
-			elfcpp::Elf_types<64>::Elf_Addr got_base,
-			unsigned int tlsdesc_got_offset,
-			unsigned int plt_offset);
-
-  void
-  fill_aplt_entry(unsigned char* pov,
-		  elfcpp::Elf_types<64>::Elf_Addr got_address,
-		  elfcpp::Elf_types<64>::Elf_Addr plt_address,
-		  unsigned int got_offset,
-		  unsigned int plt_offset,
-		  unsigned int plt_index);
-
- private:
-  // Set the final size.
-  void
-  set_final_data_size();
-
-  // Write out the BND PLT data.
-  void
-  do_write(Output_file*);
-
-  // Offset of the Additional PLT (if using -z bndplt).
-  unsigned int aplt_offset_;
-
-  // The size of an entry in the PLT.
-  static const int plt_entry_size = 16;
-
-  // The size of an entry in the additional PLT.
-  static const int aplt_entry_size = 8;
-
-  // The first entry in the PLT.
-  // From the AMD64 ABI: "Unlike Intel386 ABI, this ABI uses the same
-  // procedure linkage table for both programs and shared objects."
-  static const unsigned char first_plt_entry[plt_entry_size];
-
-  // Other entries in the PLT for an executable.
-  static const unsigned char plt_entry[plt_entry_size];
-
-  // Entries in the additional PLT.
-  static const unsigned char aplt_entry[aplt_entry_size];
-
-  // The reserved TLSDESC entry in the PLT for an executable.
-  static const unsigned char tlsdesc_plt_entry[plt_entry_size];
-
-  // The .eh_frame unwind information for the PLT.
-  static const int plt_eh_frame_fde_size = 32;
-  static const unsigned char plt_eh_frame_fde[plt_eh_frame_fde_size];
-};
-
 // We use this PLT when Indirect Branch Tracking (IBT) is enabled.
 
 template <int size>
@@ -625,7 +513,7 @@ class Output_data_plt_x86_64_ibt : public Output_data_plt_x86_64<size>
   void
   set_final_data_size();
 
-  // Write out the BND PLT data.
+  // Write out the PLT data.
   void
   do_write(Output_file*);
 
@@ -2091,183 +1979,6 @@ Output_data_plt_x86_64_standard<size>::do_fill_tlsdesc_entry(
 						  + 12)));
 }
 
-// Return the APLT address to use for a global symbol (for -z bndplt).
-
-uint64_t
-Output_data_plt_x86_64_bnd::do_address_for_global(const Symbol* gsym)
-{
-  uint64_t offset = this->aplt_offset_;
-  // Convert the PLT offset into an APLT offset.
-  unsigned int plt_offset = gsym->plt_offset();
-  if (gsym->type() == elfcpp::STT_GNU_IFUNC
-      && gsym->can_use_relative_reloc(false))
-    offset += this->regular_count() * aplt_entry_size;
-  else
-    plt_offset -= plt_entry_size;
-  plt_offset = plt_offset / (plt_entry_size / aplt_entry_size);
-  return this->address() + offset + plt_offset;
-}
-
-// Return the PLT address to use for a local symbol.  These are always
-// IRELATIVE relocs.
-
-uint64_t
-Output_data_plt_x86_64_bnd::do_address_for_local(const Relobj* object,
-						 unsigned int r_sym)
-{
-  // Convert the PLT offset into an APLT offset.
-  const Sized_relobj_file<64, false>* sized_relobj =
-    static_cast<const Sized_relobj_file<64, false>*>(object);
-  const Symbol_value<64>* psymval = sized_relobj->local_symbol(r_sym);
-  unsigned int plt_offset = ((object->local_plt_offset(r_sym)
-			      - (psymval->is_ifunc_symbol()
-				 ? 0 : plt_entry_size))
-			     / (plt_entry_size / aplt_entry_size));
-  return (this->address()
-	  + this->aplt_offset_
-	  + this->regular_count() * aplt_entry_size
-	  + plt_offset);
-}
-
-// Set the final size.
-void
-Output_data_plt_x86_64_bnd::set_final_data_size()
-{
-  // Number of regular and IFUNC PLT entries.
-  unsigned int count = this->entry_count();
-  // Count the first entry and the TLSDESC entry, if present.
-  unsigned int extra = this->has_tlsdesc_entry() ? 2 : 1;
-  unsigned int plt_size = (count + extra) * plt_entry_size;
-  // Offset of the APLT.
-  this->aplt_offset_ = plt_size;
-  // Size of the APLT.
-  plt_size += count * aplt_entry_size;
-  this->set_data_size(plt_size);
-}
-
-// The first entry in the BND PLT.
-
-const unsigned char
-Output_data_plt_x86_64_bnd::first_plt_entry[plt_entry_size] =
-{
-  // From AMD64 ABI Draft 0.98, page 76
-  0xff, 0x35,		// pushq contents of memory address
-  0, 0, 0, 0,		// replaced with address of .got + 8
-  0xf2, 0xff, 0x25,	// bnd jmp indirect
-  0, 0, 0, 0,		// replaced with address of .got + 16
-  0x0f, 0x1f, 0x00   	// nop
-};
-
-void
-Output_data_plt_x86_64_bnd::do_fill_first_plt_entry(
-    unsigned char* pov,
-    elfcpp::Elf_types<64>::Elf_Addr got_address,
-    elfcpp::Elf_types<64>::Elf_Addr plt_address)
-{
-  memcpy(pov, first_plt_entry, plt_entry_size);
-  // We do a jmp relative to the PC at the end of this instruction.
-  elfcpp::Swap_unaligned<32, false>::writeval(pov + 2,
-					      (got_address + 8
-					       - (plt_address + 6)));
-  elfcpp::Swap<32, false>::writeval(pov + 9,
-				    (got_address + 16
-				     - (plt_address + 13)));
-}
-
-// Subsequent entries in the BND PLT.
-
-const unsigned char
-Output_data_plt_x86_64_bnd::plt_entry[plt_entry_size] =
-{
-  // From AMD64 ABI Draft 0.99.8, page 139
-  0x68,				// pushq immediate
-  0, 0, 0, 0,			// replaced with offset into relocation table
-  0xf2, 0xe9,			// bnd jmpq relative
-  0, 0, 0, 0,			// replaced with offset to start of .plt
-  0x0f, 0x1f, 0x44, 0, 0	// nop
-};
-
-// Entries in the BND Additional PLT.
-
-const unsigned char
-Output_data_plt_x86_64_bnd::aplt_entry[aplt_entry_size] =
-{
-  // From AMD64 ABI Draft 0.99.8, page 139
-  0xf2, 0xff, 0x25,	// bnd jmpq indirect
-  0, 0, 0, 0,		// replaced with address of symbol in .got
-  0x90,			// nop
-};
-
-unsigned int
-Output_data_plt_x86_64_bnd::do_fill_plt_entry(
-    unsigned char* pov,
-    elfcpp::Elf_types<64>::Elf_Addr,
-    elfcpp::Elf_types<64>::Elf_Addr,
-    unsigned int,
-    unsigned int plt_offset,
-    unsigned int plt_index)
-{
-  memcpy(pov, plt_entry, plt_entry_size);
-  elfcpp::Swap_unaligned<32, false>::writeval(pov + 1, plt_index);
-  elfcpp::Swap<32, false>::writeval(pov + 7, -(plt_offset + 11));
-  return 0;
-}
-
-void
-Output_data_plt_x86_64_bnd::fill_aplt_entry(
-    unsigned char* pov,
-    elfcpp::Elf_types<64>::Elf_Addr got_address,
-    elfcpp::Elf_types<64>::Elf_Addr plt_address,
-    unsigned int got_offset,
-    unsigned int plt_offset,
-    unsigned int plt_index)
-{
-  // Check PC-relative offset overflow in PLT entry.
-  uint64_t plt_got_pcrel_offset = (got_address + got_offset
-				   - (plt_address + plt_offset + 7));
-  if (Bits<32>::has_overflow(plt_got_pcrel_offset))
-    gold_error(_("PC-relative offset overflow in APLT entry %d"),
-	       plt_index + 1);
-
-  memcpy(pov, aplt_entry, aplt_entry_size);
-  elfcpp::Swap_unaligned<32, false>::writeval(pov + 3, plt_got_pcrel_offset);
-}
-
-// The reserved TLSDESC entry in the PLT for an executable.
-
-const unsigned char
-Output_data_plt_x86_64_bnd::tlsdesc_plt_entry[plt_entry_size] =
-{
-  // From Alexandre Oliva, "Thread-Local Storage Descriptors for IA32
-  // and AMD64/EM64T", Version 0.9.4 (2005-10-10).
-  0xff, 0x35,		// pushq x(%rip)
-  0, 0, 0, 0,		// replaced with address of linkmap GOT entry (at PLTGOT + 8)
-  0xf2, 0xff, 0x25,	// jmpq *y(%rip)
-  0, 0, 0, 0,		// replaced with offset of reserved TLSDESC_GOT entry
-  0x0f,	0x1f, 0		// nop
-};
-
-void
-Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry(
-    unsigned char* pov,
-    elfcpp::Elf_types<64>::Elf_Addr got_address,
-    elfcpp::Elf_types<64>::Elf_Addr plt_address,
-    elfcpp::Elf_types<64>::Elf_Addr got_base,
-    unsigned int tlsdesc_got_offset,
-    unsigned int plt_offset)
-{
-  memcpy(pov, tlsdesc_plt_entry, plt_entry_size);
-  elfcpp::Swap_unaligned<32, false>::writeval(pov + 2,
-					      (got_address + 8
-					       - (plt_address + plt_offset
-						  + 6)));
-  elfcpp::Swap_unaligned<32, false>::writeval(pov + 9,
-					      (got_base
-					       + tlsdesc_got_offset
-					       - (plt_address + plt_offset
-						  + 13)));
-}
-
 // Return the APLT address to use for a global symbol (for IBT).
 
 template<int size>
@@ -2520,35 +2231,7 @@ Output_data_plt_x86_64_standard<size>::plt_eh_frame_fde[plt_eh_frame_fde_size] =
   elfcpp::DW_CFA_nop
 };
 
-// The .eh_frame unwind information for the BND PLT.
-const unsigned char
-Output_data_plt_x86_64_bnd::plt_eh_frame_fde[plt_eh_frame_fde_size] =
-{
-  0, 0, 0, 0,				// Replaced with offset to .plt.
-  0, 0, 0, 0,				// Replaced with size of .plt.
-  0,					// Augmentation size.
-  elfcpp::DW_CFA_def_cfa_offset, 16,	// DW_CFA_def_cfa_offset: 16.
-  elfcpp::DW_CFA_advance_loc + 6,	// Advance 6 to __PLT__ + 6.
-  elfcpp::DW_CFA_def_cfa_offset, 24,	// DW_CFA_def_cfa_offset: 24.
-  elfcpp::DW_CFA_advance_loc + 10,	// Advance 10 to __PLT__ + 16.
-  elfcpp::DW_CFA_def_cfa_expression,	// DW_CFA_def_cfa_expression.
-  11,					// Block length.
-  elfcpp::DW_OP_breg7, 8,		// Push %rsp + 8.
-  elfcpp::DW_OP_breg16, 0,		// Push %rip.
-  elfcpp::DW_OP_lit15,			// Push 0xf.
-  elfcpp::DW_OP_and,			// & (%rip & 0xf).
-  elfcpp::DW_OP_lit5,			// Push 5.
-  elfcpp::DW_OP_ge,			// >= ((%rip & 0xf) >= 5)
-  elfcpp::DW_OP_lit3,			// Push 3.
-  elfcpp::DW_OP_shl,			// << (((%rip & 0xf) >= 5) << 3)
-  elfcpp::DW_OP_plus,			// + ((((%rip&0xf)>=5)<<3)+%rsp+8
-  elfcpp::DW_CFA_nop,			// Align to 32 bytes.
-  elfcpp::DW_CFA_nop,
-  elfcpp::DW_CFA_nop,
-  elfcpp::DW_CFA_nop
-};
-
-// The .eh_frame unwind information for the BND PLT.
+// The .eh_frame unwind information for the PLT.
 template<int size>
 const unsigned char
 Output_data_plt_x86_64_ibt<size>::plt_eh_frame_fde[plt_eh_frame_fde_size] =
@@ -2656,101 +2339,6 @@ Output_data_plt_x86_64<size>::do_write(Output_file* of)
   of->write_output_view(got_file_offset, got_size, got_view);
 }
 
-// Write out the BND PLT.
-
-void
-Output_data_plt_x86_64_bnd::do_write(Output_file* of)
-{
-  const off_t offset = this->offset();
-  const section_size_type oview_size =
-    convert_to_section_size_type(this->data_size());
-  unsigned char* const oview = of->get_output_view(offset, oview_size);
-
-  Output_data_got<64, false>* got = this->got();
-  Output_data_got_plt_x86_64* got_plt = this->got_plt();
-  Output_data_space* got_irelative = this->got_irelative();
-
-  const off_t got_file_offset = got_plt->offset();
-  gold_assert(parameters->incremental_update()
-	      || (got_file_offset + got_plt->data_size()
-		  == got_irelative->offset()));
-  const section_size_type got_size =
-    convert_to_section_size_type(got_plt->data_size()
-				 + got_irelative->data_size());
-  unsigned char* const got_view = of->get_output_view(got_file_offset,
-						      got_size);
-
-  unsigned char* pov = oview;
-
-  // The base address of the .plt section.
-  elfcpp::Elf_types<64>::Elf_Addr plt_address = this->address();
-  // The base address of the .got section.
-  elfcpp::Elf_types<64>::Elf_Addr got_base = got->address();
-  // The base address of the PLT portion of the .got section,
-  // which is where the GOT pointer will point, and where the
-  // three reserved GOT entries are located.
-  elfcpp::Elf_types<64>::Elf_Addr got_address = got_plt->address();
-
-  this->fill_first_plt_entry(pov, got_address, plt_address);
-  pov += plt_entry_size;
-
-  // The first three entries in the GOT are reserved, and are written
-  // by Output_data_got_plt_x86_64::do_write.
-  unsigned char* got_pov = got_view + 24;
-
-  unsigned int plt_offset = plt_entry_size;
-  unsigned int got_offset = 24;
-  const unsigned int count = this->entry_count();
-  for (unsigned int plt_index = 0;
-       plt_index < count;
-       ++plt_index,
-	 pov += plt_entry_size,
-	 got_pov += 8,
-	 plt_offset += plt_entry_size,
-	 got_offset += 8)
-    {
-      // Set and adjust the PLT entry itself.
-      unsigned int lazy_offset = this->fill_plt_entry(pov,
-						      got_address, plt_address,
-						      got_offset, plt_offset,
-						      plt_index);
-
-      // Set the entry in the GOT.
-      elfcpp::Swap<64, false>::writeval(got_pov,
-					plt_address + plt_offset + lazy_offset);
-    }
-
-  if (this->has_tlsdesc_entry())
-    {
-      // Set and adjust the reserved TLSDESC PLT entry.
-      unsigned int tlsdesc_got_offset = this->get_tlsdesc_got_offset();
-      this->fill_tlsdesc_entry(pov, got_address, plt_address, got_base,
-			       tlsdesc_got_offset, plt_offset);
-      pov += this->get_plt_entry_size();
-      plt_offset += plt_entry_size;
-    }
-
-  // Write the additional PLT.
-  got_offset = 24;
-  for (unsigned int plt_index = 0;
-       plt_index < count;
-       ++plt_index,
-	 pov += aplt_entry_size,
-	 plt_offset += aplt_entry_size,
-	 got_offset += 8)
-    {
-      // Set and adjust the APLT entry.
-      this->fill_aplt_entry(pov, got_address, plt_address, got_offset,
-			    plt_offset, plt_index);
-    }
-
-  gold_assert(static_cast<section_size_type>(pov - oview) == oview_size);
-  gold_assert(static_cast<section_size_type>(got_pov - got_view) == got_size);
-
-  of->write_output_view(offset, oview_size, oview);
-  of->write_output_view(got_file_offset, got_size, got_view);
-}
-
 // Write out the IBT PLT.
 
 template<int size>
@@ -2900,9 +2488,6 @@ Target_x86_64<64>::do_make_data_plt(Layout* layout,
   if (this->feature_1_ & elfcpp::GNU_PROPERTY_X86_FEATURE_1_IBT)
     return new Output_data_plt_x86_64_ibt<64>(layout, got, got_plt,
 					      got_irelative);
-  else if (parameters->options().bndplt())
-    return new Output_data_plt_x86_64_bnd(layout, got, got_plt,
-					  got_irelative);
   else
     return new Output_data_plt_x86_64_standard<64>(layout, got, got_plt,
 						   got_irelative);
@@ -2934,9 +2519,6 @@ Target_x86_64<64>::do_make_data_plt(Layout* layout,
   if (this->feature_1_ & elfcpp::GNU_PROPERTY_X86_FEATURE_1_IBT)
     return new Output_data_plt_x86_64_ibt<64>(layout, got, got_plt,
 					      got_irelative, plt_count);
-  else if (parameters->options().bndplt())
-    return new Output_data_plt_x86_64_bnd(layout, got, got_plt,
-					  got_irelative, plt_count);
   else
     return new Output_data_plt_x86_64_standard<64>(layout, got, got_plt,
 						   got_irelative,
@@ -3374,14 +2956,12 @@ Target_x86_64<size>::Scan::get_reference_flags(unsigned int r_type)
 
     case elfcpp::R_X86_64_PC64:
     case elfcpp::R_X86_64_PC32:
-    case elfcpp::R_X86_64_PC32_BND:
     case elfcpp::R_X86_64_PC16:
     case elfcpp::R_X86_64_PC8:
     case elfcpp::R_X86_64_GOTOFF64:
       return Symbol::RELATIVE_REF;
 
     case elfcpp::R_X86_64_PLT32:
-    case elfcpp::R_X86_64_PLT32_BND:
     case elfcpp::R_X86_64_PLTOFF64:
       return Symbol::FUNCTION_CALL | Symbol::RELATIVE_REF;
 
@@ -3465,7 +3045,6 @@ Target_x86_64<size>::Scan::check_non_pic(Relobj* object, unsigned int r_type,
 
       // glibc supports these reloc types, but they can overflow.
     case elfcpp::R_X86_64_PC32:
-    case elfcpp::R_X86_64_PC32_BND:
       // A PC relative reference is OK against a local symbol or if
       // the symbol is defined locally.
       if (gsym == NULL
@@ -3495,9 +3074,6 @@ Target_x86_64<size>::Scan::check_non_pic(Relobj* object, unsigned int r_type,
 	    case elfcpp::R_X86_64_PC32:
 	      r_name = "R_X86_64_PC32";
 	      break;
-	    case elfcpp::R_X86_64_PC32_BND:
-	      r_name = "R_X86_64_PC32_BND";
-	      break;
 	    default:
 	      gold_unreachable();
 	      break;
@@ -3650,13 +3226,11 @@ Target_x86_64<size>::Scan::local(Symbol_table* symtab,
 
     case elfcpp::R_X86_64_PC64:
     case elfcpp::R_X86_64_PC32:
-    case elfcpp::R_X86_64_PC32_BND:
     case elfcpp::R_X86_64_PC16:
     case elfcpp::R_X86_64_PC8:
       break;
 
     case elfcpp::R_X86_64_PLT32:
-    case elfcpp::R_X86_64_PLT32_BND:
       // Since we know this is a local symbol, we can handle this as a
       // PC32 reloc.
       break;
@@ -4107,7 +3681,6 @@ Target_x86_64<size>::Scan::global(Symbol_table* symtab,
 
     case elfcpp::R_X86_64_PC64:
     case elfcpp::R_X86_64_PC32:
-    case elfcpp::R_X86_64_PC32_BND:
     case elfcpp::R_X86_64_PC16:
     case elfcpp::R_X86_64_PC8:
       {
@@ -4240,7 +3813,6 @@ Target_x86_64<size>::Scan::global(Symbol_table* symtab,
       break;
 
     case elfcpp::R_X86_64_PLT32:
-    case elfcpp::R_X86_64_PLT32_BND:
       // If the symbol is fully resolved, this is just a PC32 reloc.
       // Otherwise we need a PLT entry.
       if (gsym->final_value_is_known())
@@ -4658,8 +4230,6 @@ Target_x86_64<size>::Relocate::relocate(
       if ((r_type != elfcpp::R_X86_64_PLT32
 	   && r_type != elfcpp::R_X86_64_GOTPCREL
 	   && r_type != elfcpp::R_X86_64_GOTPCRELX
-	   && r_type != elfcpp::R_X86_64_PLT32_BND
-	   && r_type != elfcpp::R_X86_64_PC32_BND
 	   && r_type != elfcpp::R_X86_64_PC32)
 	  || gsym == NULL
 	  || strcmp(gsym->name(), "__tls_get_addr") != 0)
@@ -4762,7 +4332,6 @@ Target_x86_64<size>::Relocate::relocate(
       break;
 
     case elfcpp::R_X86_64_PC32:
-    case elfcpp::R_X86_64_PC32_BND:
       rstatus = Reloc_funcs::pcrela32_check(view, object, psymval, addend,
 					    address);
       break;
@@ -4784,7 +4353,6 @@ Target_x86_64<size>::Relocate::relocate(
       break;
 
     case elfcpp::R_X86_64_PLT32:
-    case elfcpp::R_X86_64_PLT32_BND:
       gold_assert(gsym == NULL
 		  || gsym->has_plt_offset()
 		  || gsym->final_value_is_known()