2013-07-05 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>

opcodes/
	    * s390-opc.c (J12_12, J24_24): New macros.
	    (INSTR_MII_UPI): Rename to INSTR_MII_UPP.
	    (MASK_MII_UPI): Rename to MASK_MII_UPP.
	    * s390-opc.txt: Rename MII_UPI to MII_UPP for bprp instruction.

include/elf/
	    * s390.h: Add new relocs R_390_PC12DBL, R_390_PLT12DBL,
	    R_390_PC24DBL, and R_390_PLT24DBL.

gas/testsuite/
	    * gas/s390/zarch-zEC12.s: Change bprp second operand and add
	    variants requiring relocations.
	    * gas/s390/zarch-zEC12.d: Likewise.

gas/
	    * config/tc-s390.c (md_gather_operands, md_apply_fix): Support new
	    relocs.
bfd/
	    * elf32-s390.c: Add new relocation definitions R_390_PC12DBL,
	    R_390_PLT12DBL, R_390_PC24DBL, and R_390_PLT24DBL.
	    (elf_s390_reloc_type_lookup, elf_s390_check_relocs)
	    (elf_s390_gc_sweep_hook, elf_s390_relocate_section): Support new
	    relocations.
	    * elf64-s390.c: See elf32-s390.c
	    * bfd-in2.h: Add new relocs to enum bfd_reloc_code_real.
	    * libbfd.h: Add new reloc strings.

1 files changed, 44 insertions, 2 deletions

diff --git a/bfd/elf64-s390.c b/bfd/elf64-s390.c
index f2c396f5dd..bba6cecd9e 100644
--- a/bfd/elf64-s390.c
+++ b/bfd/elf64-s390.c
@@ -43,7 +43,7 @@ static reloc_howto_type elf_howto_table[] =
 {
   HOWTO (R_390_NONE,		/* type */
 	 0,			/* rightshift */
-	 0,			/* size (0 = byte, 1 = short, 2 = long) */
+	 0,			/* size (0 = byte, 1 = 2 byte, 2 = 4 byte) */
 	 0,			/* bitsize */
 	 FALSE,			/* pc_relative */
 	 0,			/* bitpos */
@@ -171,7 +171,14 @@ static reloc_howto_type elf_howto_table[] =
 	s390_elf_ldisp_reloc, "R_390_TLS_GOTIE20", FALSE, 0,0x0fffff00, FALSE),
   HOWTO(R_390_IRELATIVE, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,
 	bfd_elf_generic_reloc, "R_390_IRELATIVE", FALSE, 0, MINUS_ONE, FALSE),
-
+  HOWTO(R_390_PC12DBL,   1, 1, 12,  TRUE, 0, complain_overflow_bitfield,
+	bfd_elf_generic_reloc, "R_390_PC12DBL",  FALSE, 0,0x00000fff, TRUE),
+  HOWTO(R_390_PLT12DBL,  1, 1, 12,  TRUE, 0, complain_overflow_bitfield,
+	bfd_elf_generic_reloc, "R_390_PLT12DBL", FALSE, 0,0x00000fff, TRUE),
+  HOWTO(R_390_PC24DBL,   1, 2, 24,  TRUE, 0, complain_overflow_bitfield,
+	bfd_elf_generic_reloc, "R_390_PC24DBL",  FALSE, 0,0x00ffffff, TRUE),
+  HOWTO(R_390_PLT24DBL,  1, 2, 24,  TRUE, 0, complain_overflow_bitfield,
+	bfd_elf_generic_reloc, "R_390_PLT24DBL", FALSE, 0,0x00ffffff, TRUE),
 };
 
 /* GNU extension to record C++ vtable hierarchy.  */
@@ -222,10 +229,18 @@ elf_s390_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
       return &elf_howto_table[(int) R_390_GOT16];
     case BFD_RELOC_16_PCREL:
       return &elf_howto_table[(int) R_390_PC16];
+    case BFD_RELOC_390_PC12DBL:
+      return &elf_howto_table[(int) R_390_PC12DBL];
+    case BFD_RELOC_390_PLT12DBL:
+      return &elf_howto_table[(int) R_390_PLT12DBL];
     case BFD_RELOC_390_PC16DBL:
       return &elf_howto_table[(int) R_390_PC16DBL];
     case BFD_RELOC_390_PLT16DBL:
       return &elf_howto_table[(int) R_390_PLT16DBL];
+    case BFD_RELOC_390_PC24DBL:
+      return &elf_howto_table[(int) R_390_PC24DBL];
+    case BFD_RELOC_390_PLT24DBL:
+      return &elf_howto_table[(int) R_390_PLT24DBL];
     case BFD_RELOC_390_PC32DBL:
       return &elf_howto_table[(int) R_390_PC32DBL];
     case BFD_RELOC_390_PLT32DBL:
@@ -1037,7 +1052,9 @@ elf_s390_check_relocs (bfd *abfd,
 	     are done.  */
 	  break;
 
+	case R_390_PLT12DBL:
 	case R_390_PLT16DBL:
+	case R_390_PLT24DBL:
 	case R_390_PLT32:
 	case R_390_PLT32DBL:
 	case R_390_PLT64:
@@ -1176,8 +1193,10 @@ elf_s390_check_relocs (bfd *abfd,
 	case R_390_16:
 	case R_390_32:
 	case R_390_64:
+	case R_390_PC12DBL:
 	case R_390_PC16:
 	case R_390_PC16DBL:
+	case R_390_PC24DBL:
 	case R_390_PC32:
 	case R_390_PC32DBL:
 	case R_390_PC64:
@@ -1223,7 +1242,9 @@ elf_s390_check_relocs (bfd *abfd,
 	  if ((info->shared
 	       && (sec->flags & SEC_ALLOC) != 0
 	       && ((ELF64_R_TYPE (rel->r_info) != R_390_PC16
+		    && ELF64_R_TYPE (rel->r_info) != R_390_PC12DBL
 		    && ELF64_R_TYPE (rel->r_info) != R_390_PC16DBL
+		    && ELF64_R_TYPE (rel->r_info) != R_390_PC24DBL
 		    && ELF64_R_TYPE (rel->r_info) != R_390_PC32
 		    && ELF64_R_TYPE (rel->r_info) != R_390_PC32DBL
 		    && ELF64_R_TYPE (rel->r_info) != R_390_PC64)
@@ -1300,6 +1321,8 @@ elf_s390_check_relocs (bfd *abfd,
 
 	      p->count += 1;
 	      if (ELF64_R_TYPE (rel->r_info) == R_390_PC16
+		  || ELF64_R_TYPE (rel->r_info) == R_390_PC12DBL
+		  || ELF64_R_TYPE (rel->r_info) == R_390_PC16DBL
 		  || ELF64_R_TYPE (rel->r_info) == R_390_PC16DBL
 		  || ELF64_R_TYPE (rel->r_info) == R_390_PC32
 		  || ELF64_R_TYPE (rel->r_info) == R_390_PC32DBL
@@ -1471,7 +1494,9 @@ elf_s390_gc_sweep_hook (bfd *abfd,
 	case R_390_32:
 	case R_390_64:
 	case R_390_PC16:
+	case R_390_PC12DBL:
 	case R_390_PC16DBL:
+	case R_390_PC24DBL:
 	case R_390_PC32:
 	case R_390_PC32DBL:
 	case R_390_PC64:
@@ -1479,7 +1504,9 @@ elf_s390_gc_sweep_hook (bfd *abfd,
 	    break;
 	  /* Fall through */
 
+	case R_390_PLT12DBL:
 	case R_390_PLT16DBL:
+	case R_390_PLT24DBL:
 	case R_390_PLT32:
 	case R_390_PLT32DBL:
 	case R_390_PLT64:
@@ -2550,7 +2577,9 @@ elf_s390_relocate_section (bfd *output_bfd,
 	  unresolved_reloc = FALSE;
 	  break;
 
+	case R_390_PLT12DBL:
 	case R_390_PLT16DBL:
+	case R_390_PLT24DBL:
 	case R_390_PLT32:
 	case R_390_PLT32DBL:
 	case R_390_PLT64:
@@ -2615,7 +2644,9 @@ elf_s390_relocate_section (bfd *output_bfd,
 	case R_390_32:
 	case R_390_64:
 	case R_390_PC16:
+	case R_390_PC12DBL:
 	case R_390_PC16DBL:
+	case R_390_PC24DBL:
 	case R_390_PC32:
 	case R_390_PC32DBL:
 	case R_390_PC64:
@@ -2689,7 +2720,9 @@ elf_s390_relocate_section (bfd *output_bfd,
 		   || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
 		   || h->root.type != bfd_link_hash_undefweak)
 	       && ((r_type != R_390_PC16
+		    && r_type != R_390_PC12DBL
 		    && r_type != R_390_PC16DBL
+		    && r_type != R_390_PC24DBL
 		    && r_type != R_390_PC32
 		    && r_type != R_390_PC32DBL
 		    && r_type != R_390_PC64)
@@ -2731,7 +2764,9 @@ elf_s390_relocate_section (bfd *output_bfd,
 	      else if (h != NULL
 		       && h->dynindx != -1
 		       && (r_type == R_390_PC16
+			   || r_type == R_390_PC12DBL
 			   || r_type == R_390_PC16DBL
+			   || r_type == R_390_PC24DBL
 			   || r_type == R_390_PC32
 			   || r_type == R_390_PC32DBL
 			   || r_type == R_390_PC64
@@ -3168,6 +3203,13 @@ elf_s390_relocate_section (bfd *output_bfd,
 
     do_relocation:
 
+      /* When applying a 24 bit reloc we need to start one byte
+	 earlier.  Otherwise the 32 bit get/put bfd operations might
+	 access a byte after the actual section.  */
+      if (r_type == R_390_PC24DBL
+	  || r_type == R_390_PLT24DBL)
+	rel->r_offset--;
+
       if (r_type == R_390_20
 	  || r_type == R_390_GOT20
 	  || r_type == R_390_GOTPLT20