z8k fixes

3 files changed, 113 insertions, 5 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 098b95f088..9a55ee0469 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2001-04-24  Christian Groessler  <cpg@aladdin.de>
+
+	* coff-z8k.c (extra_case): added handler for R_DISP7, R_CALLR
+	and R_REL16 reloc types; accept odd values for R_REL16 type
+
 2001-04-24  Johan Rydberg  <jrydberg@opencores.org>
 
 	* cpu-openrisc.c: New file.
diff --git a/bfd/coff-z8k.c b/bfd/coff-z8k.c
index cfbdbddc66..2e5da48880 100644
--- a/bfd/coff-z8k.c
+++ b/bfd/coff-z8k.c
@@ -49,10 +49,23 @@ HOWTO (R_IMM8, 0, 1, 8, false, 0,
        complain_overflow_bitfield, 0, "r_imm8", true, 0x000000ff, 0x000000ff,
        false);
 
+static reloc_howto_type r_rel16 =
+HOWTO (R_REL16, 0, 1, 16, false, 0,
+       complain_overflow_bitfield, 0, "r_rel16", true, 0x0000ffff, 0x0000ffff,
+       true);
+
 static reloc_howto_type r_jr =
 HOWTO (R_JR, 0, 1, 8, true, 0, complain_overflow_signed, 0,
        "r_jr", true, 0, 0, true);
 
+static reloc_howto_type r_disp7 =
+HOWTO (R_DISP7, 0, 1, 7, true, 0, complain_overflow_bitfield, 0,
+       "r_disp7", true, 0, 0, true);
+
+static reloc_howto_type r_callr =
+HOWTO (R_CALLR, 0, 1, 12, true, 0, complain_overflow_signed, 0,
+       "r_callr", true, 0xfff, 0xfff, true);
+
 /* Turn a howto into a reloc number */
 
 static int
@@ -97,6 +110,15 @@ rtype2howto (internal, dst)
     case R_JR:
       internal->howto = &r_jr;
       break;
+    case R_DISP7:
+      internal->howto = &r_disp7;
+      break;
+    case R_CALLR:
+      internal->howto = &r_callr;
+      break;
+    case R_REL16:
+      internal->howto = &r_rel16;
+      break;
     case R_IMM32:
       internal->howto = &r_imm32;
       break;
@@ -215,6 +237,87 @@ extra_case (in_abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)
 	(*src_ptr)++;
 	break;
       }
+
+    case R_DISP7:
+      {
+	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
+						  input_section);
+	bfd_vma dot = (link_order->offset
+		       + *dst_ptr
+		       + input_section->output_section->vma);
+	int gap = dst - dot - 1;/* -1 since were in the odd byte of the
+				    word and the pc's been incremented */
+
+	if (gap & 1)
+	  abort ();
+	gap /= 2;
+
+	if (gap > 0 || gap < -128)
+	  {
+	    if (! ((*link_info->callbacks->reloc_overflow)
+		   (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+		    reloc->howto->name, reloc->addend, input_section->owner,
+		    input_section, reloc->address)))
+	      abort ();
+	  }
+	bfd_put_8 (in_abfd,
+                   (bfd_get_8 ( in_abfd, data + *dst_ptr) & 0x80) + (-gap & 0x7f),
+                   data + *dst_ptr);
+	(*dst_ptr)++;
+	(*src_ptr)++;
+	break;
+      }
+
+    case R_CALLR:
+      {
+	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
+						  input_section);
+	bfd_vma dot = (link_order->offset
+		       + *dst_ptr
+		       + input_section->output_section->vma);
+	int gap = dst - dot - 2;
+
+	if (gap & 1)
+	  abort ();
+	gap /= 2;
+	if (gap > 8191 || gap < -8192)
+	  {
+	    if (! ((*link_info->callbacks->reloc_overflow)
+		   (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+		    reloc->howto->name, reloc->addend, input_section->owner,
+		    input_section, reloc->address)))
+	      abort ();
+	  }
+	bfd_put_16 (in_abfd,
+                    (bfd_get_16 ( in_abfd, data + *dst_ptr) & 0xf000) | (-gap & 0x0fff),
+                    data + *dst_ptr);
+	(*dst_ptr) += 2;
+	(*src_ptr) += 2;
+	break;
+      }
+
+    case R_REL16:
+      {
+	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
+						  input_section);
+	bfd_vma dot = (link_order->offset
+		       + *dst_ptr
+		       + input_section->output_section->vma);
+	int gap = dst - dot - 2;
+
+	if (gap > 32767 || gap < -32768)
+	  {
+	    if (! ((*link_info->callbacks->reloc_overflow)
+		   (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+		    reloc->howto->name, reloc->addend, input_section->owner,
+		    input_section, reloc->address)))
+	      abort ();
+	  }
+	bfd_put_16 (in_abfd,gap,data + *dst_ptr);
+	(*dst_ptr) += 2;
+	(*src_ptr) += 2;
+	break;
+      }
     default:
       abort ();
     }
diff --git a/bfd/po/bfd.pot b/bfd/po/bfd.pot
index 1331060d4f..a07beac1c2 100644
--- a/bfd/po/bfd.pot
+++ b/bfd/po/bfd.pot
@@ -6,7 +6,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2001-04-24 16:35+0100\n"
+"POT-Creation-Date: 2001-04-24 17:11+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -564,13 +564,13 @@ msgstr ""
 
 #: elf-m10200.c:451 elf-m10300.c:663 elf32-arm.h:1939 elf32-avr.c:842
 #: elf32-cris.c:1335 elf32-d10v.c:478 elf32-fr30.c:648 elf32-i860.c:1049
-#: elf32-m32r.c:1266 elf32-openrisc.c:448 elf32-v850.c:1681
+#: elf32-m32r.c:1266 elf32-openrisc.c:449 elf32-v850.c:1681
 msgid "internal error: out of range error"
 msgstr ""
 
 #: elf-m10200.c:455 elf-m10300.c:667 elf32-arm.h:1943 elf32-avr.c:846
 #: elf32-cris.c:1339 elf32-d10v.c:482 elf32-fr30.c:652 elf32-i860.c:1053
-#: elf32-m32r.c:1270 elf32-mips.c:7046 elf32-openrisc.c:452 elf32-v850.c:1685
+#: elf32-m32r.c:1270 elf32-mips.c:7046 elf32-openrisc.c:453 elf32-v850.c:1685
 msgid "internal error: unsupported relocation error"
 msgstr ""
 
@@ -581,7 +581,7 @@ msgstr ""
 
 #: elf-m10200.c:463 elf-m10300.c:675 elf32-arm.h:1951 elf32-avr.c:854
 #: elf32-cris.c:1347 elf32-d10v.c:490 elf32-fr30.c:660 elf32-i860.c:1061
-#: elf32-m32r.c:1278 elf32-openrisc.c:460 elf32-v850.c:1705
+#: elf32-m32r.c:1278 elf32-openrisc.c:461 elf32-v850.c:1705
 msgid "internal error: unknown error"
 msgstr ""
 
@@ -736,7 +736,7 @@ msgid "<Unrecognised flag bits set>"
 msgstr ""
 
 #: elf32-avr.c:850 elf32-cris.c:1343 elf32-fr30.c:656 elf32-i860.c:1057
-#: elf32-openrisc.c:456 elf32-v850.c:1689
+#: elf32-openrisc.c:457 elf32-v850.c:1689
 msgid "internal error: dangerous relocation"
 msgstr ""