2006-05-11 Paul Brook <paul@codesourcery.com>

[binutils-gdb.git] / bfd / elf32-arm.c

diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 3b4152aab8f11f8d6772808dd0a4453972a693b8..e0a5abece328eddb6d93655952364c2ecffd609f 100644 (file)
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -1366,6 +1366,14 @@ static const struct elf32_arm_reloc_map elf32_arm_reloc_map[] =
     {BFD_RELOC_ARM_TLS_LE32,         R_ARM_TLS_LE32},
     {BFD_RELOC_VTABLE_INHERIT,      R_ARM_GNU_VTINHERIT},
     {BFD_RELOC_VTABLE_ENTRY,        R_ARM_GNU_VTENTRY},
+    {BFD_RELOC_ARM_MOVW,            R_ARM_MOVW_ABS_NC},
+    {BFD_RELOC_ARM_MOVT,            R_ARM_MOVT_ABS},
+    {BFD_RELOC_ARM_MOVW_PCREL,      R_ARM_MOVW_PREL_NC},
+    {BFD_RELOC_ARM_MOVT_PCREL,      R_ARM_MOVT_PREL},
+    {BFD_RELOC_ARM_THUMB_MOVW,      R_ARM_THM_MOVW_ABS_NC},
+    {BFD_RELOC_ARM_THUMB_MOVT,      R_ARM_THM_MOVT_ABS},
+    {BFD_RELOC_ARM_THUMB_MOVW_PCREL, R_ARM_THM_MOVW_PREL_NC},
+    {BFD_RELOC_ARM_THUMB_MOVT_PCREL, R_ARM_THM_MOVT_PREL},
   };
 
 static reloc_howto_type *
@@ -4080,6 +4088,76 @@ elf32_arm_final_link_relocate (reloc_howto_type *           howto,
         }
       return bfd_reloc_ok;
 
+    case R_ARM_MOVW_ABS_NC:
+    case R_ARM_MOVT_ABS:
+    case R_ARM_MOVW_PREL_NC:
+    case R_ARM_MOVT_PREL:
+      {
+       bfd_vma insn = bfd_get_32 (input_bfd, hit_data);
+
+       if (globals->use_rel)
+         {
+           addend = ((insn >> 4) & 0xf000) | (insn & 0xfff);
+           signed_addend = (addend ^ 0x10000) - 0x10000;
+         }
+       value += signed_addend;
+       if (sym_flags == STT_ARM_TFUNC)
+         value |= 1;
+
+       if (r_type == R_ARM_MOVW_PREL_NC || r_type == R_ARM_MOVT_PREL)
+         value -= (input_section->output_section->vma
+                   + input_section->output_offset + rel->r_offset);
+
+       if (r_type == R_ARM_MOVT_ABS || r_type == R_ARM_MOVT_PREL)
+         value >>= 16;
+
+       insn &= 0xfff0f000;
+       insn |= value & 0xfff;
+       insn |= (value & 0xf000) << 4;
+       bfd_put_32 (input_bfd, insn, hit_data);
+      }
+      return bfd_reloc_ok;
+
+    case R_ARM_THM_MOVW_ABS_NC:
+    case R_ARM_THM_MOVT_ABS:
+    case R_ARM_THM_MOVW_PREL_NC:
+    case R_ARM_THM_MOVT_PREL:
+      {
+       bfd_vma insn;
+       
+       insn = bfd_get_16 (input_bfd, hit_data) << 16;
+       insn |= bfd_get_16 (input_bfd, hit_data + 2);
+
+       if (globals->use_rel)
+         {
+           addend = ((insn >> 4)  & 0xf000)
+                  | ((insn >> 15) & 0x0800)
+                  | ((insn >> 4)  & 0x0700)
+                  | (insn         & 0x00ff);
+           signed_addend = (addend ^ 0x10000) - 0x10000;
+         }
+       value += signed_addend;
+       if (sym_flags == STT_ARM_TFUNC)
+         value |= 1;
+
+       if (r_type == R_ARM_THM_MOVW_PREL_NC || r_type == R_ARM_THM_MOVT_PREL)
+         value -= (input_section->output_section->vma
+                   + input_section->output_offset + rel->r_offset);
+
+       if (r_type == R_ARM_THM_MOVT_ABS || r_type == R_ARM_THM_MOVT_PREL)
+         value >>= 16;
+
+       insn &= 0xfbf08f00;
+       insn |= (value & 0xf000) << 4;
+       insn |= (value & 0x0800) << 15;
+       insn |= (value & 0x0700) << 4;
+       insn |= (value & 0x00ff);
+
+       bfd_put_16 (input_bfd, insn >> 16, hit_data);
+       bfd_put_16 (input_bfd, insn & 0xffff, hit_data + 2);
+      }
+      return bfd_reloc_ok;
+
     default:
       return bfd_reloc_notsupported;
     }
@@ -5651,6 +5729,14 @@ elf32_arm_gc_sweep_hook (bfd *                     abfd,
        case R_ARM_JUMP24:
        case R_ARM_PREL31:
        case R_ARM_THM_CALL:
+       case R_ARM_MOVW_ABS_NC:
+       case R_ARM_MOVT_ABS:
+       case R_ARM_MOVW_PREL_NC:
+       case R_ARM_MOVT_PREL:
+       case R_ARM_THM_MOVW_ABS_NC:
+       case R_ARM_THM_MOVT_ABS:
+       case R_ARM_THM_MOVW_PREL_NC:
+       case R_ARM_THM_MOVT_PREL:
          /* Should the interworking branches be here also?  */
 
          if (h != NULL)
@@ -5861,6 +5947,14 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
          case R_ARM_JUMP24:
          case R_ARM_PREL31:
          case R_ARM_THM_CALL:
+         case R_ARM_MOVW_ABS_NC:
+         case R_ARM_MOVT_ABS:
+         case R_ARM_MOVW_PREL_NC:
+         case R_ARM_MOVT_PREL:
+         case R_ARM_THM_MOVW_ABS_NC:
+         case R_ARM_THM_MOVT_ABS:
+         case R_ARM_THM_MOVW_PREL_NC:
+         case R_ARM_THM_MOVT_PREL:
            /* Should the interworking branches be listed here?  */
            if (h != NULL)
              {
@@ -5877,12 +5971,7 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
                   refers to is in a different object.  We can't tell for
                   sure yet, because something later might force the
                   symbol local.  */
-               if (r_type == R_ARM_PC24
-                   || r_type == R_ARM_CALL
-                   || r_type == R_ARM_JUMP24
-                   || r_type == R_ARM_PREL31
-                   || r_type == R_ARM_PLT32
-                   || r_type == R_ARM_THM_CALL)
+               if (r_type != R_ARM_ABS32 && r_type != R_ARM_REL32)
                  h->needs_plt = 1;
 
                /* If we create a PLT entry, this relocation will reference