* s390-opc.c (INSTR_SS_L2RDRD): New.

[deliverable/binutils-gdb.git] / bfd / reloc.c

diff --git a/bfd/reloc.c b/bfd/reloc.c
index 60ebf36f033ddd9dafc41779b505457cdaa2c258..f81a3bffe52a15b15a2c4c8fcf57b32b6b1cfa96 100644 (file)
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -1522,7 +1522,6 @@ _bfd_relocate_contents (reloc_howto_type *howto,
   switch (size)
     {
     default:
-    case 0:
       abort ();
     case 1:
       bfd_put_8 (input_bfd, x, location);
@@ -1545,6 +1544,72 @@ _bfd_relocate_contents (reloc_howto_type *howto,
   return flag;
 }
 
+/* Clear a given location using a given howto, by applying a relocation value
+   of zero and discarding any in-place addend.  This is used for fixed-up
+   relocations against discarded symbols, to make ignorable debug or unwind
+   information more obvious.  */
+
+void
+_bfd_clear_contents (reloc_howto_type *howto,
+                    bfd *input_bfd,
+                    bfd_byte *location)
+{
+  int size;
+  bfd_vma x = 0;
+
+  /* Get the value we are going to relocate.  */
+  size = bfd_get_reloc_size (howto);
+  switch (size)
+    {
+    default:
+    case 0:
+      abort ();
+    case 1:
+      x = bfd_get_8 (input_bfd, location);
+      break;
+    case 2:
+      x = bfd_get_16 (input_bfd, location);
+      break;
+    case 4:
+      x = bfd_get_32 (input_bfd, location);
+      break;
+    case 8:
+#ifdef BFD64
+      x = bfd_get_64 (input_bfd, location);
+#else
+      abort ();
+#endif
+      break;
+    }
+
+  /* Zero out the unwanted bits of X.  */
+  x &= ~howto->dst_mask;
+
+  /* Put the relocated value back in the object file.  */
+  switch (size)
+    {
+    default:
+    case 0:
+      abort ();
+    case 1:
+      bfd_put_8 (input_bfd, x, location);
+      break;
+    case 2:
+      bfd_put_16 (input_bfd, x, location);
+      break;
+    case 4:
+      bfd_put_32 (input_bfd, x, location);
+      break;
+    case 8:
+#ifdef BFD64
+      bfd_put_64 (input_bfd, x, location);
+#else
+      abort ();
+#endif
+      break;
+    }
+}
+
 /*
 DOCDD
 INODE
@@ -1883,6 +1948,33 @@ ENUMX
 ENUMDOC
   SPARC TLS relocations
 
+ENUM
+  BFD_RELOC_SPU_IMM7
+ENUMX
+  BFD_RELOC_SPU_IMM8
+ENUMX
+  BFD_RELOC_SPU_IMM10
+ENUMX
+  BFD_RELOC_SPU_IMM10W
+ENUMX
+  BFD_RELOC_SPU_IMM16
+ENUMX
+  BFD_RELOC_SPU_IMM16W
+ENUMX
+  BFD_RELOC_SPU_IMM18
+ENUMX
+  BFD_RELOC_SPU_PCREL9a
+ENUMX
+  BFD_RELOC_SPU_PCREL9b
+ENUMX
+  BFD_RELOC_SPU_PCREL16
+ENUMX
+  BFD_RELOC_SPU_LO16
+ENUMX
+  BFD_RELOC_SPU_HI16
+ENUMDOC
+  SPU Relocations.
+
 ENUM
   BFD_RELOC_ALPHA_GPDISP_HI16
 ENUMDOC
@@ -3608,6 +3700,50 @@ ENUMX
 ENUMDOC
   Motorola Mcore relocations.
 
+ENUM
+  BFD_RELOC_MEP_8
+ENUMX
+  BFD_RELOC_MEP_16
+ENUMX
+  BFD_RELOC_MEP_32
+ENUMX
+  BFD_RELOC_MEP_PCREL8A2
+ENUMX
+  BFD_RELOC_MEP_PCREL12A2
+ENUMX
+  BFD_RELOC_MEP_PCREL17A2
+ENUMX
+  BFD_RELOC_MEP_PCREL24A2
+ENUMX
+  BFD_RELOC_MEP_PCABS24A2
+ENUMX
+  BFD_RELOC_MEP_LOW16
+ENUMX
+  BFD_RELOC_MEP_HI16U
+ENUMX
+  BFD_RELOC_MEP_HI16S
+ENUMX
+  BFD_RELOC_MEP_GPREL
+ENUMX
+  BFD_RELOC_MEP_TPREL
+ENUMX
+  BFD_RELOC_MEP_TPREL7
+ENUMX
+  BFD_RELOC_MEP_TPREL7A2
+ENUMX
+  BFD_RELOC_MEP_TPREL7A4
+ENUMX
+  BFD_RELOC_MEP_UIMM24
+ENUMX
+  BFD_RELOC_MEP_ADDR24A4
+ENUMX
+  BFD_RELOC_MEP_GNU_VTINHERIT
+ENUMX
+  BFD_RELOC_MEP_GNU_VTENTRY
+ENUMDOC
+  Toshiba Media Processor Relocations.
+COMMENT
+
 ENUM
   BFD_RELOC_MMIX_GETA
 ENUMX
@@ -3965,6 +4101,43 @@ ENUMX
 ENUMDOC
   Long displacement extension.
 
+ENUM
+  BFD_RELOC_SCORE_DUMMY1
+ENUMDOC
+  Score relocations
+ENUM
+  BFD_RELOC_SCORE_GPREL15
+ENUMDOC
+  Low 16 bit for load/store  
+ENUM
+  BFD_RELOC_SCORE_DUMMY2
+ENUMX
+  BFD_RELOC_SCORE_JMP
+ENUMDOC
+  This is a 24-bit reloc with the right 1 bit assumed to be 0
+ENUM
+  BFD_RELOC_SCORE_BRANCH
+ENUMDOC
+  This is a 19-bit reloc with the right 1 bit assumed to be 0
+ENUM
+  BFD_RELOC_SCORE16_JMP
+ENUMDOC
+  This is a 11-bit reloc with the right 1 bit assumed to be 0
+ENUM
+  BFD_RELOC_SCORE16_BRANCH
+ENUMDOC
+  This is a 8-bit reloc with the right 1 bit assumed to be 0
+ENUM
+  BFD_RELOC_SCORE_GOT15
+ENUMX
+  BFD_RELOC_SCORE_GOT_LO16
+ENUMX
+  BFD_RELOC_SCORE_CALL15
+ENUMX
+  BFD_RELOC_SCORE_DUMMY_HI16
+ENUMDOC
+  Undocumented Score relocs
+  
 ENUM
   BFD_RELOC_IP2K_FR9
 ENUMDOC
@@ -4541,6 +4714,12 @@ ENUMX
 ENUMDOC
   Sony Xstormy16 Relocations.
 
+ENUM
+  BFD_RELOC_RELC
+ENUMDOC
+  Self-describing complex relocations.
+COMMENT
+
 ENUM
   BFD_RELOC_XC16X_PAG
 ENUMX