Support R_SPARC_WDISP10 and R_SPARC_H34.

include/

	* elf/sparc.h (R_SPARC_WDISP10): New reloc.
	* opcode/sparc.h: Define '=' as generating R_SPARC_WDISP10.

opcodes/

	* sparc-dis.c (X_DISP10): Define.
	(print_insn_sparc): Handle '='.

bfd/

	* reloc.c (BFD_RELOC_SPARC_H34, BFD_RELOC_SPARC_SIZE32,
	BFD_RELOC_SPARC_SIZE64, BFD_RELOC_SPARC_WDISP10): New relocs.
	* libbfd.h: Regenerate.
	* bfd-in2.h: Likewise.
	* elfxx-sparc.c (sparc_elf_wdisp10_reloc): New function.
	(_bfd_sparc_elf_howto_table): Add entries for R_SPARC_H34,
	R_SPARC_SIZE32, R_SPARC_64, and R_SPARC_WDISP10.
	(_bfd_sparc_elf_reloc_type_lookup): Handle new relocs.
	(_bfd_sparc_elf_check_relocs): Likewise.
	(_bfd_sparc_elf_gc_sweep_hook): Likewise.
	(_bfd_sparc_elf_relocate_section): Likewise.

gas/

	* config/tc-sparc.c (sparc_ip): Handle '=', "%h34", "%l34", and
	BFD_RELOC_SPARC_H34.
	(md_apply_fix): Handle BFD_RELOC_SPARC_WDISP10 and BFD_RELOC_SPARC_H34.
	(tc_gen_reloc): Likewise.

gas/testsuite/

	* gas/sparc/reloc64.s: Add abs34 code model tests.
	* gas/sparc/reloc64.d: Update.

elfcpp/

	* sparc.h (R_SPARC_WDISP10): New relocation.

gold/

	* sparc.cc (Reloc::wdisp10): New relocation method.
	(Reloc::h34): Likewise.
	(Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
	(Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
	R_SPARC_WDISP10.
	(Target_sparc::Scan::local): Likewise.
	(Target_sparc::Scan::global): Likewise.
	(Target_sparc::Relocate::relocate): Likewise.

2 files changed, 59 insertions, 0 deletions

diff --git a/gold/ChangeLog b/gold/ChangeLog
index d6b02a6..83d9105 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,14 @@
+2012-04-12  David S. Miller  <davem@davemloft.net>
+
+	* sparc.cc (Reloc::wdisp10): New relocation method.
+	(Reloc::h34): Likewise.
+	(Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
+	(Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
+	R_SPARC_WDISP10.
+	(Target_sparc::Scan::local): Likewise.
+	(Target_sparc::Scan::global): Likewise.
+	(Target_sparc::Relocate::relocate): Likewise.
+
 2012-04-09  Cary Coutant  <ccoutant@google.com>
 
 	* gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
diff --git a/gold/sparc.cc b/gold/sparc.cc
index 39c7e7c..ee82367 100644
--- a/gold/sparc.cc
+++ b/gold/sparc.cc
@@ -617,6 +617,29 @@ public:
     elfcpp::Swap<32, true>::writeval(wv, val | reloc);
   }
 
+  // R_SPARC_WDISP10: (Symbol + Addend - Address) >> 2
+  static inline void
+  wdisp10(unsigned char* view,
+	  const Sized_relobj_file<size, big_endian>* object,
+	  const Symbol_value<size>* psymval,
+	  typename elfcpp::Elf_types<size>::Elf_Addr addend,
+	  typename elfcpp::Elf_types<size>::Elf_Addr address)
+  {
+    typedef typename elfcpp::Swap<32, true>::Valtype Valtype;
+    Valtype* wv = reinterpret_cast<Valtype*>(view);
+    Valtype val = elfcpp::Swap<32, true>::readval(wv);
+    Valtype reloc = ((psymval->value(object, addend) - address)
+		     >> 2);
+
+    // The relocation value is split between the low bits 5-12,
+    // and high bits 19-20.
+    val &= ~((0x3 << 19) | (0xff << 5));
+    reloc = (((reloc & 0x300) << (19 - 8))
+	     | ((reloc & 0xff) << (5 - 0)));
+
+    elfcpp::Swap<32, true>::writeval(wv, val | reloc);
+  }
+
   // R_SPARC_PC22: (Symbol + Addend - Address) >> 10
   static inline void
   pc22(unsigned char* view,
@@ -832,6 +855,16 @@ public:
 					addend, address);
   }
 
+  // R_SPARC_H34: (Symbol + Addend) >> 12
+  static inline void
+  h34(unsigned char* view,
+      const Sized_relobj_file<size, big_endian>* object,
+      const Symbol_value<size>* psymval,
+      typename elfcpp::Elf_types<size>::Elf_Addr  addend)
+  {
+    This_insn::template rela<32>(view, 12, 0x003fffff, object, psymval, addend);
+  }
+
   // R_SPARC_H44: (Symbol + Addend) >> 22
   static inline void
   h44(unsigned char* view,
@@ -1605,6 +1638,7 @@ Target_sparc<size, big_endian>::Scan::get_reference_flags(unsigned int r_type)
     case elfcpp::R_SPARC_64:
     case elfcpp::R_SPARC_HIX22:
     case elfcpp::R_SPARC_LOX10:
+    case elfcpp::R_SPARC_H34:
     case elfcpp::R_SPARC_H44:
     case elfcpp::R_SPARC_M44:
     case elfcpp::R_SPARC_L44:
@@ -1639,6 +1673,7 @@ Target_sparc<size, big_endian>::Scan::get_reference_flags(unsigned int r_type)
     case elfcpp::R_SPARC_WDISP22:
     case elfcpp::R_SPARC_WDISP19:
     case elfcpp::R_SPARC_WDISP16:
+    case elfcpp::R_SPARC_WDISP10:
       return Symbol::RELATIVE_REF;
 
     case elfcpp::R_SPARC_PLT64:
@@ -1755,6 +1790,7 @@ Target_sparc<size, big_endian>::Scan::check_non_pic(Relobj* object, unsigned int
 	case elfcpp::R_SPARC_LO10:
 	case elfcpp::R_SPARC_HI22:
 	case elfcpp::R_SPARC_OLO10:
+	case elfcpp::R_SPARC_H34:
 	case elfcpp::R_SPARC_H44:
 	case elfcpp::R_SPARC_M44:
 	case elfcpp::R_SPARC_L44:
@@ -1861,6 +1897,7 @@ Target_sparc<size, big_endian>::Scan::local(
 
     case elfcpp::R_SPARC_HIX22:
     case elfcpp::R_SPARC_LOX10:
+    case elfcpp::R_SPARC_H34:
     case elfcpp::R_SPARC_H44:
     case elfcpp::R_SPARC_M44:
     case elfcpp::R_SPARC_L44:
@@ -1911,6 +1948,7 @@ Target_sparc<size, big_endian>::Scan::local(
     case elfcpp::R_SPARC_WDISP22:
     case elfcpp::R_SPARC_WDISP19:
     case elfcpp::R_SPARC_WDISP16:
+    case elfcpp::R_SPARC_WDISP10:
     case elfcpp::R_SPARC_DISP8:
     case elfcpp::R_SPARC_DISP16:
     case elfcpp::R_SPARC_DISP32:
@@ -2186,6 +2224,7 @@ Target_sparc<size, big_endian>::Scan::global(
     case elfcpp::R_SPARC_WDISP22:
     case elfcpp::R_SPARC_WDISP19:
     case elfcpp::R_SPARC_WDISP16:
+    case elfcpp::R_SPARC_WDISP10:
       {
 	if (gsym->needs_plt_entry())
 	  target->make_plt_entry(symtab, layout, gsym);
@@ -2214,6 +2253,7 @@ Target_sparc<size, big_endian>::Scan::global(
     case elfcpp::R_SPARC_64:
     case elfcpp::R_SPARC_HIX22:
     case elfcpp::R_SPARC_LOX10:
+    case elfcpp::R_SPARC_H34:
     case elfcpp::R_SPARC_H44:
     case elfcpp::R_SPARC_M44:
     case elfcpp::R_SPARC_L44:
@@ -2749,6 +2789,10 @@ Target_sparc<size, big_endian>::Relocate::relocate(
       Reloc::wdisp16(view, object, psymval, addend, address);
       break;
 
+    case elfcpp::R_SPARC_WDISP10:
+      Reloc::wdisp10(view, object, psymval, addend, address);
+      break;
+
     case elfcpp::R_SPARC_HI22:
       Reloc::hi22(view, object, psymval, addend);
       break;
@@ -2900,6 +2944,10 @@ Target_sparc<size, big_endian>::Relocate::relocate(
       Reloc::lox10(view, object, psymval, addend);
       break;
 
+    case elfcpp::R_SPARC_H34:
+      Reloc::h34(view, object, psymval, addend);
+      break;
+
     case elfcpp::R_SPARC_H44:
       Reloc::h44(view, object, psymval, addend);
       break;