Add support for M32R GOT relocs

11 files changed, 393 insertions, 29 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 7aebb9f..830c32e 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,14 @@
+2004-06-25  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
+
+	* elf32-m32r.c (m32r_elf_howto_table): Support R_M32R_GOTOFF.
+	(m32r_elf_relocate_section): Changed for R_M32R_GOTOFF.
+	(m32r_elf_gcsweep_hook): Likewise.
+	(m32r_elf_check_relocs): Likewise.
+	(m32r_elf_howto_table): Added R_M32R_GOTOFF_HI_ULO,
+	R_M32R_GOTOFF_HI_SLO and R_M32R_GOTOFF_LO.
+	* reloc.c: Added BFD_RELOC_M32R_GOTOFF_HI_ULO,
+	BFD_RELOC_M32R_GOTOFF_HI_SLO and BFD_RELOC_M32R_GOTOFF_LO.
+
 2004-06-24  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* elf64-x86-64.c (elf64_x86_64_check_relocs): Warn overflow
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 5001cf8..3b9d78c 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -2821,6 +2821,9 @@ add3, load, and store instructions.  */
   BFD_RELOC_M32R_JMP_SLOT,
   BFD_RELOC_M32R_RELATIVE,
   BFD_RELOC_M32R_GOTOFF,
+  BFD_RELOC_M32R_GOTOFF_HI_ULO,
+  BFD_RELOC_M32R_GOTOFF_HI_SLO,
+  BFD_RELOC_M32R_GOTOFF_LO,
   BFD_RELOC_M32R_GOTPC24,
   BFD_RELOC_M32R_GOT16_HI_ULO,
   BFD_RELOC_M32R_GOT16_HI_SLO,
diff --git a/bfd/elf32-m32r.c b/bfd/elf32-m32r.c
index 14aec61..c6bc2be 100644
--- a/bfd/elf32-m32r.c
+++ b/bfd/elf32-m32r.c
@@ -669,7 +669,7 @@ static reloc_howto_type m32r_elf_howto_table[] =
 	 0,			/* bitpos */
 	 complain_overflow_bitfield, /* complain_on_overflow */
 	 bfd_elf_generic_reloc, /* special_function */
-	 "R_M32R_RELATIVE",		/* name */
+	 "R_M32R_RELATIVE",	/* name */
 	 FALSE,			/* partial_inplace */
 	 0xffffffff,		/* src_mask */
 	 0xffffffff,		/* dst_mask */
@@ -678,15 +678,15 @@ static reloc_howto_type m32r_elf_howto_table[] =
   HOWTO (R_M32R_GOTOFF,	/* type */
 	 0,			/* rightshift */
 	 2,			/* size (0 = byte, 1 = short, 2 = long) */
-	 32,			/* bitsize */
+	 24,			/* bitsize */
 	 FALSE,			/* pc_relative */
 	 0,			/* bitpos */
 	 complain_overflow_bitfield, /* complain_on_overflow */
 	 bfd_elf_generic_reloc, /* special_function */
-	 "R_M32R_GOTOFF",		/* name */
+	 "R_M32R_GOTOFF",	/* name */
 	 FALSE,			/* partial_inplace */
-	 0xffffffff,		/* src_mask */
-	 0xffffffff,		/* dst_mask */
+	 0xffffff,		/* src_mask */
+	 0xffffff,		/* dst_mask */
 	 FALSE),		/* pcrel_offset */
 
   /* An PC Relative 24-bit relocation used when setting PIC offset
@@ -803,6 +803,48 @@ static reloc_howto_type m32r_elf_howto_table[] =
 	 0x0000ffff,		/* src_mask */
 	 0x0000ffff,		/* dst_mask */
 	 TRUE),			/* pcrel_offset */
+
+  HOWTO (R_M32R_GOTOFF_HI_ULO,	/* type */
+	 16,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_dont, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_M32R_GOTOFF_HI_ULO",/* name */
+	 FALSE,			/* partial_inplace */
+	 0x0000ffff,		/* src_mask */
+	 0x0000ffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  HOWTO (R_M32R_GOTOFF_HI_SLO,	/* type */
+	 16,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_dont, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_M32R_GOTOFF_HI_SLO",/* name */
+	 FALSE,			/* partial_inplace */
+	 0x0000ffff,		/* src_mask */
+	 0x0000ffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
+
+  HOWTO (R_M32R_GOTOFF_LO,	/* type */
+	 0,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_dont, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_M32R_GOTOFF_LO",	/* name */
+	 FALSE,			/* partial_inplace */
+	 0x0000ffff,		/* src_mask */
+	 0x0000ffff,		/* dst_mask */
+	 FALSE),		/* pcrel_offset */
 };
 
 /* Handle the R_M32R_10_PCREL reloc.  */
@@ -1269,6 +1311,9 @@ static const struct m32r_reloc_map m32r_reloc_map[] =
   { BFD_RELOC_M32R_GOTPC_HI_ULO, R_M32R_GOTPC_HI_ULO },
   { BFD_RELOC_M32R_GOTPC_HI_SLO, R_M32R_GOTPC_HI_SLO },
   { BFD_RELOC_M32R_GOTPC_LO, R_M32R_GOTPC_LO },
+  { BFD_RELOC_M32R_GOTOFF_HI_ULO, R_M32R_GOTOFF_HI_ULO },
+  { BFD_RELOC_M32R_GOTOFF_HI_SLO, R_M32R_GOTOFF_HI_SLO },
+  { BFD_RELOC_M32R_GOTOFF_LO, R_M32R_GOTOFF_LO },
 };
 
 static reloc_howto_type *
@@ -2796,6 +2841,31 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
 
 	  switch ((int) r_type)
 	    {
+            case R_M32R_GOTOFF:
+              /* Relocation is relative to the start of the global offset
+                 table (for ld24 rx, #uimm24). eg access at label+addend
+		 
+                 ld24 rx. #label@GOTOFF + addend
+                 sub  rx, r12.  */
+
+              BFD_ASSERT (sgot != NULL);
+
+              relocation = -(relocation - sgot->output_section->vma);
+              rel->r_addend = -rel->r_addend;
+              break;
+
+            case R_M32R_GOTOFF_HI_ULO:
+            case R_M32R_GOTOFF_HI_SLO:
+            case R_M32R_GOTOFF_LO:
+	      BFD_ASSERT (sgot != NULL);
+
+	      relocation -= sgot->output_section->vma;
+
+	      if ((r_type == R_M32R_GOTOFF_HI_SLO)
+		  && ((relocation + rel->r_addend) & 0x8000))
+		rel->r_addend += 0x10000;
+	      break;
+
             case R_M32R_GOTPC24:
               /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
                  ld24 rx,#_GLOBAL_OFFSET_TABLE_
@@ -4306,6 +4376,10 @@ m32r_elf_gc_sweep_hook (abfd, info, sec, relocs)
       case R_M32R_GOT16_HI_ULO:
       case R_M32R_GOT16_HI_SLO:
       case R_M32R_GOT16_LO:
+      case R_M32R_GOTOFF:
+      case R_M32R_GOTOFF_HI_ULO:
+      case R_M32R_GOTOFF_HI_SLO:
+      case R_M32R_GOTOFF_LO:
       case R_M32R_GOT24:
       case R_M32R_GOTPC_HI_ULO:
       case R_M32R_GOTPC_HI_SLO:
@@ -4435,6 +4509,10 @@ m32r_elf_check_relocs (abfd, info, sec, relocs)
             {
             case R_M32R_GOT16_HI_ULO:
             case R_M32R_GOT16_HI_SLO:
+            case R_M32R_GOTOFF:
+            case R_M32R_GOTOFF_HI_ULO:
+            case R_M32R_GOTOFF_HI_SLO:
+            case R_M32R_GOTOFF_LO:
             case R_M32R_GOT16_LO:
             case R_M32R_GOTPC24:
             case R_M32R_GOTPC_HI_ULO:
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index c17c4f3..2e3be87 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -1222,6 +1222,9 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
   "BFD_RELOC_M32R_JMP_SLOT",
   "BFD_RELOC_M32R_RELATIVE",
   "BFD_RELOC_M32R_GOTOFF",
+  "BFD_RELOC_M32R_GOTOFF_HI_ULO",
+  "BFD_RELOC_M32R_GOTOFF_HI_SLO",
+  "BFD_RELOC_M32R_GOTOFF_LO",
   "BFD_RELOC_M32R_GOTPC24",
   "BFD_RELOC_M32R_GOT16_HI_ULO",
   "BFD_RELOC_M32R_GOT16_HI_SLO",
diff --git a/bfd/reloc.c b/bfd/reloc.c
index 12cbb7a..df50af4 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -2955,6 +2955,12 @@ ENUMX
 ENUMX
   BFD_RELOC_M32R_GOTOFF
 ENUMX
+  BFD_RELOC_M32R_GOTOFF_HI_ULO
+ENUMX
+  BFD_RELOC_M32R_GOTOFF_HI_SLO
+ENUMX
+  BFD_RELOC_M32R_GOTOFF_LO
+ENUMX
   BFD_RELOC_M32R_GOTPC24
 ENUMX
   BFD_RELOC_M32R_GOT16_HI_ULO
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 523134a..6cedeed 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,18 @@
+2004-06-25  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
+
+	* config/tc-m32r.c (md_convert_frag): Changed for @PLT.
+	(m32r_cgen_record_fixup_exp): Changed for  @GOTOFF, @GOT.
+	(m32r_fix_adjustable): Changed for  @GOTOFF, @GOT, @PLT.
+	(tc_gen_reloc): Likewise.
+	(m32r_end_of_match): Add for @GOTOFF, @GOT, @PLT.
+	(m32r_parse_name): Likewise.
+	(m32r_cgen_parse_fix_exp): Likewise.
+	* config/tc-m32r.h (md_parse_name): Define for @GOTOFF, @GOT, @PLT.
+	(O_PIC_reloc): Likewise.
+	(TC_CGEN_PARSE_FIX_EXP): Likewise..
+	* cgen.c (gas_cgen_parse_operand): Add TC_CGEN_PARSE_FIX_EXP
+	for @GOTOFF, @GOT, @PLT.
+
 2004-06-21 Jan Beulich  <jbeulich@novell.com>
 
 	* gas/symbols.c: While discarding ordinary local absolute symbols
diff --git a/gas/cgen.c b/gas/cgen.c
index 5ce7f4c..384618e 100644
--- a/gas/cgen.c
+++ b/gas/cgen.c
@@ -1,5 +1,5 @@
 /* GAS interface for targets using CGEN: Cpu tools GENerator.
-   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
    Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
@@ -355,6 +355,10 @@ gas_cgen_parse_operand (cd, want, strP, opindex, opinfo, resultP, valueP)
   *strP = input_line_pointer;
   input_line_pointer = hold;
 
+#ifdef TC_CGEN_PARSE_FIX_EXP
+  opinfo = TC_CGEN_PARSE_FIX_EXP (opinfo, & exp);
+#endif 
+
   /* FIXME: Need to check `want'.  */
 
   switch (exp.X_op)
diff --git a/gas/config/tc-m32r.c b/gas/config/tc-m32r.c
index e990d9d..207ac01 100644
--- a/gas/config/tc-m32r.c
+++ b/gas/config/tc-m32r.c
@@ -489,6 +489,69 @@ const pseudo_typeS md_pseudo_table[] =
   { NULL, NULL, 0 }
 };
 
+#define GOT_NAME "_GLOBAL_OFFSET_TABLE_"
+symbolS * GOT_symbol;
+
+static inline int
+m32r_PIC_related_p (symbolS *sym)
+{
+  expressionS *exp;
+
+  if (! sym)
+    return 0;
+
+  if (sym == GOT_symbol)
+    return 1;
+
+  exp = symbol_get_value_expression (sym);
+
+  return (exp->X_op == O_PIC_reloc
+          || exp->X_md == BFD_RELOC_M32R_26_PLTREL
+          || m32r_PIC_related_p (exp->X_add_symbol)
+          || m32r_PIC_related_p (exp->X_op_symbol));
+}
+
+static inline int
+m32r_check_fixup (expressionS *main_exp, bfd_reloc_code_real_type *r_type_p)
+{
+  expressionS *exp = main_exp;
+
+  if (exp->X_op == O_add && m32r_PIC_related_p (exp->X_op_symbol))
+    return 1;
+
+  if (exp->X_op == O_symbol && exp->X_add_symbol)
+    {
+      if (exp->X_add_symbol == GOT_symbol)
+        {
+          *r_type_p = BFD_RELOC_M32R_GOTPC24;
+          return 0;
+        }
+    }
+  else if (exp->X_op == O_add)
+    {
+      exp = symbol_get_value_expression (exp->X_add_symbol);
+      if (! exp)
+        return 0;
+    }
+
+  if (exp->X_op == O_PIC_reloc || exp->X_md != BFD_RELOC_UNUSED)
+    {
+      *r_type_p = exp->X_md;
+      if (exp == main_exp)
+        exp->X_op = O_symbol;
+      else
+       {
+          main_exp->X_add_symbol = exp->X_add_symbol;
+          main_exp->X_add_number += exp->X_add_number;
+       }
+    }
+  else
+    return (m32r_PIC_related_p (exp->X_add_symbol)
+            || m32r_PIC_related_p (exp->X_op_symbol));
+
+  return 0;
+}
+
 /* FIXME: Should be machine generated.  */
 #define NOP_INSN     0x7000
 #define PAR_NOP_INSN 0xf000 /* Can only be used in 2nd slot.  */
@@ -1888,23 +1951,28 @@ md_convert_frag (abfd, sec, fragP)
       || S_IS_EXTERNAL (fragP->fr_symbol)
       || S_IS_WEAK (fragP->fr_symbol))
     {
+      fixS *fixP;
+
       assert (fragP->fr_subtype != 1);
       assert (fragP->fr_cgen.insn != 0);
-      gas_cgen_record_fixup (fragP,
-			     /* Offset of branch insn in frag.  */
-			     fragP->fr_fix + extension - 4,
-			     fragP->fr_cgen.insn,
-			     4 /* Length.  */,
-			     /* FIXME: quick hack.  */
+
+      fixP = gas_cgen_record_fixup (fragP,
+				    /* Offset of branch insn in frag.  */
+				    fragP->fr_fix + extension - 4,
+				    fragP->fr_cgen.insn,
+				    4 /* Length.  */,
+				    /* FIXME: quick hack.  */
 #if 0
-			     cgen_operand_lookup_by_num (gas_cgen_cpu_desc,
-							 fragP->fr_cgen.opindex),
+				    cgen_operand_lookup_by_num (gas_cgen_cpu_desc,
+								fragP->fr_cgen.opindex),
 #else
-			     cgen_operand_lookup_by_num (gas_cgen_cpu_desc,
-							 M32R_OPERAND_DISP24),
+				    cgen_operand_lookup_by_num (gas_cgen_cpu_desc,
+								M32R_OPERAND_DISP24),
 #endif
-			     fragP->fr_cgen.opinfo,
-			     fragP->fr_symbol, fragP->fr_offset);
+				    fragP->fr_cgen.opinfo,
+				    fragP->fr_symbol, fragP->fr_offset);
+      if (fragP->fr_cgen.opinfo)
+        fixP->fx_r_type = fragP->fr_cgen.opinfo;
     }
 
 #define SIZE_FROM_RELAX_STATE(n) ((n) == 1 ? 1 : 3)
@@ -2006,8 +2074,14 @@ m32r_cgen_record_fixup_exp (frag, where, insn, length, operand, opinfo, exp)
      int opinfo;
      expressionS *exp;
 {
-  fixS *fixP = gas_cgen_record_fixup_exp (frag, where, insn, length,
-					  operand, opinfo, exp);
+  fixS *fixP;
+  bfd_reloc_code_real_type r_type = BFD_RELOC_UNUSED;
+
+  if (m32r_check_fixup (exp, &r_type))
+    as_bad (_("Invalid PIC expression."));
+
+  fixP = gas_cgen_record_fixup_exp (frag, where, insn, length,
+				    operand, opinfo, exp);
 
   switch (operand->type)
     {
@@ -2017,11 +2091,49 @@ m32r_cgen_record_fixup_exp (frag, where, insn, length, operand, opinfo, exp)
 	  || fixP->fx_cgen.opinfo == BFD_RELOC_M32R_HI16_ULO)
 	m32r_record_hi16 (fixP->fx_cgen.opinfo, fixP, now_seg);
       break;
+
     default:
-      /* Avoid -Wall warning */
+      /* Avoid -Wall warning.  */
       break;
     }
 
+  switch (r_type)
+    {
+    case BFD_RELOC_UNUSED:
+    default:
+      return fixP;
+
+    case BFD_RELOC_M32R_GOTPC24:
+      if (fixP->fx_cgen.opinfo == BFD_RELOC_M32R_HI16_SLO)
+        r_type = BFD_RELOC_M32R_GOTPC_HI_SLO;
+      else if (fixP->fx_cgen.opinfo == BFD_RELOC_M32R_HI16_ULO)
+        r_type = BFD_RELOC_M32R_GOTPC_HI_ULO;
+      else if (fixP->fx_cgen.opinfo == BFD_RELOC_M32R_LO16)
+        r_type = BFD_RELOC_M32R_GOTPC_LO;
+      break;
+    case BFD_RELOC_M32R_GOT24:
+      if (fixP->fx_cgen.opinfo == BFD_RELOC_M32R_HI16_SLO)
+        r_type = BFD_RELOC_M32R_GOT16_HI_SLO;
+      else if (fixP->fx_cgen.opinfo == BFD_RELOC_M32R_HI16_ULO)
+        r_type = BFD_RELOC_M32R_GOT16_HI_ULO;
+      else if (fixP->fx_cgen.opinfo == BFD_RELOC_M32R_LO16)
+        r_type = BFD_RELOC_M32R_GOT16_LO;
+      break;
+    case BFD_RELOC_M32R_GOTOFF:
+      if (fixP->fx_cgen.opinfo == BFD_RELOC_M32R_HI16_SLO)
+        r_type = BFD_RELOC_M32R_GOTOFF_HI_SLO;
+      else if (fixP->fx_cgen.opinfo == BFD_RELOC_M32R_HI16_ULO)
+        r_type = BFD_RELOC_M32R_GOTOFF_HI_ULO;
+      else if (fixP->fx_cgen.opinfo == BFD_RELOC_M32R_LO16)
+        r_type = BFD_RELOC_M32R_GOTOFF_LO;
+      break;
+    case BFD_RELOC_M32R_26_PLTREL:
+      as_bad (_("Invalid PIC expression."));
+      break;
+    }
+
+  fixP->fx_r_type = r_type;
+
   return fixP;
 }
 
@@ -2261,6 +2373,16 @@ m32r_fix_adjustable (fixP)
           || reloc_type == BFD_RELOC_M32R_LO16))
     return 0;
 
+  if (reloc_type == BFD_RELOC_M32R_GOT24
+      || reloc_type == BFD_RELOC_M32R_26_PLTREL
+      || reloc_type == BFD_RELOC_M32R_GOTPC_HI_SLO
+      || reloc_type == BFD_RELOC_M32R_GOTPC_HI_ULO
+      || reloc_type == BFD_RELOC_M32R_GOTPC_LO
+      || reloc_type == BFD_RELOC_M32R_GOT16_HI_SLO
+      || reloc_type == BFD_RELOC_M32R_GOT16_HI_ULO
+      || reloc_type == BFD_RELOC_M32R_GOT16_LO)
+    return 0;
+
   /* We need the symbol name for the VTABLE entries.  */
   if (reloc_type == BFD_RELOC_VTABLE_INHERIT
       || reloc_type == BFD_RELOC_VTABLE_ENTRY)
@@ -2270,17 +2392,16 @@ m32r_fix_adjustable (fixP)
 }
 
 void
-m32r_elf_final_processing ()
+m32r_elf_final_processing (void)
 {
   if (use_parallel)
     m32r_flags |= E_M32R_HAS_PARALLEL;
   elf_elfheader (stdoutput)->e_flags |= m32r_flags;
 }
 
-#define GOT_NAME "_GLOBAL_OFFSET_TABLE_"
- 
 /* Translate internal representation of relocation info to BFD target
    format. */
+
 arelent *
 tc_gen_reloc (section, fixP)
      asection * section;
@@ -2354,21 +2475,124 @@ printf(" => %s\n",reloc->howto->name);
       return NULL;
     }
  
-  /* Use fx_offset for these cases */
+  /* Use fx_offset for these cases.  */
   if (   fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY
       || fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT)
     reloc->addend  = fixP->fx_offset;
-  else if (!pic_code
+  else if ((!pic_code
+            && code != BFD_RELOC_M32R_26_PLTREL)
            && fixP->fx_pcrel
            && fixP->fx_addsy != NULL
            && (S_GET_SEGMENT(fixP->fx_addsy) != section)
            && S_IS_DEFINED (fixP->fx_addsy)
            && ! S_IS_EXTERNAL(fixP->fx_addsy)
            && ! S_IS_WEAK(fixP->fx_addsy))
-    /* already used fx_offset in the opcode field itseld. */
+    /* Already used fx_offset in the opcode field itseld.  */
     reloc->addend  = 0;
   else
     reloc->addend  = fixP->fx_addnumber;
  
   return reloc;
 }
+
+inline static char *
+m32r_end_of_match (char *cont, char *what)
+{
+  int len = strlen (what);
+
+  if (strncasecmp (cont, what, strlen (what)) == 0
+      && ! is_part_of_name (cont[len]))
+    return cont + len;
+
+  return NULL;
+}
+
+int
+m32r_parse_name (char const *name, expressionS *exprP, char *nextcharP)
+{
+  char *next = input_line_pointer;
+  char *next_end;
+  int reloc_type;
+  operatorT op_type;
+  segT segment;
+
+  exprP->X_op_symbol = NULL;
+  exprP->X_md = BFD_RELOC_UNUSED;
+
+  if (strcmp (name, GOT_NAME) == 0)
+    {
+      if (! GOT_symbol)
+	GOT_symbol = symbol_find_or_make (name);
+
+      exprP->X_add_symbol = GOT_symbol;
+    no_suffix:
+      /* If we have an absolute symbol or a
+	 reg, then we know its value now.  */
+      segment = S_GET_SEGMENT (exprP->X_add_symbol);
+      if (segment == absolute_section)
+	{
+	  exprP->X_op = O_constant;
+	  exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol);
+	  exprP->X_add_symbol = NULL;
+	}
+      else if (segment == reg_section)
+	{
+	  exprP->X_op = O_register;
+	  exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol);
+	  exprP->X_add_symbol = NULL;
+	}
+      else
+	{
+	  exprP->X_op = O_symbol;
+	  exprP->X_add_number = 0;
+	}
+
+      return 1;
+    }
+
+  exprP->X_add_symbol = symbol_find_or_make (name);
+
+  if (*nextcharP != '@')
+    goto no_suffix;
+  else if ((next_end = m32r_end_of_match (next + 1, "GOTOFF")))
+    {
+      reloc_type = BFD_RELOC_M32R_GOTOFF;
+      op_type = O_PIC_reloc;
+    }
+  else if ((next_end = m32r_end_of_match (next + 1, "GOT")))
+    {
+      reloc_type = BFD_RELOC_M32R_GOT24;
+      op_type = O_PIC_reloc;
+    }
+  else if ((next_end = m32r_end_of_match (next + 1, "PLT")))
+    {
+      reloc_type = BFD_RELOC_M32R_26_PLTREL;
+      op_type = O_PIC_reloc;
+    }
+  else
+    goto no_suffix;
+
+  *input_line_pointer = *nextcharP;
+  input_line_pointer = next_end;
+  *nextcharP = *input_line_pointer;
+  *input_line_pointer = '\0';
+
+  exprP->X_op = op_type;
+  exprP->X_add_number = 0;
+  exprP->X_md = reloc_type;
+
+  return 1;
+}
+
+int
+m32r_cgen_parse_fix_exp(int opinfo, expressionS *exp)
+{
+  if (exp->X_op == O_PIC_reloc
+      && exp->X_md == BFD_RELOC_M32R_26_PLTREL)
+    {
+      exp->X_op = O_symbol;
+      opinfo = exp->X_md;
+    }
+
+  return opinfo;
+}
diff --git a/gas/config/tc-m32r.h b/gas/config/tc-m32r.h
index 4769214..7fb73ec 100644
--- a/gas/config/tc-m32r.h
+++ b/gas/config/tc-m32r.h
@@ -1,5 +1,5 @@
 /* tc-m32r.h -- Header file for tc-m32r.c.
-   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
    Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
@@ -131,3 +131,15 @@ extern void m32r_flush_pending_output PARAMS ((void));
                                                                                   
 #define elf_tc_final_processing 	m32r_elf_final_processing
 extern void m32r_elf_final_processing PARAMS ((void));
+
+#define md_parse_name(name, exprP, nextcharP) \
+  m32r_parse_name ((name), (exprP), (nextcharP))
+extern int m32r_parse_name (char const *, expressionS *, char *);
+
+/* This is used to construct expressions out of @GOTOFF, @PLT and @GOT
+   symbols.  The relocation type is stored in X_md.  */
+#define O_PIC_reloc O_md1
+
+#define TC_CGEN_PARSE_FIX_EXP(opinfo, exp) \
+  m32r_cgen_parse_fix_exp(opinfo, exp)
+extern int m32r_cgen_parse_fix_exp(int, expressionS *);
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 1783b5b..9873532 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,8 @@
+2004-06-25  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
+
+	* m32r.h: Add defintions of R_M32R_GOTOFF_HI_ULO,
+	R_M32R_GOTOFF_HI_SLO and R_M32R_GOTOFF_LO.
+
 2004-06-19  Alan Modra  <amodra@bigpond.net.au>
 
 	* common.h (ELF64_R_INFO): Warning fix.
diff --git a/include/elf/m32r.h b/include/elf/m32r.h
index 709d792..6441efe 100644
--- a/include/elf/m32r.h
+++ b/include/elf/m32r.h
@@ -1,5 +1,5 @@
 /* M32R ELF support for BFD.
-   Copyright 1996, 1997, 1998, 1999, 2000, 2003 Free Software Foundation, Inc.
+   Copyright 1996, 1997, 1998, 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -67,6 +67,9 @@ START_RELOC_NUMBERS (elf_m32r_reloc_type)
   RELOC_NUMBER (R_M32R_GOTPC_HI_ULO, 59)
   RELOC_NUMBER (R_M32R_GOTPC_HI_SLO, 60)
   RELOC_NUMBER (R_M32R_GOTPC_LO, 61)
+  RELOC_NUMBER (R_M32R_GOTOFF_HI_ULO, 62)
+  RELOC_NUMBER (R_M32R_GOTOFF_HI_SLO, 63)
+  RELOC_NUMBER (R_M32R_GOTOFF_LO, 64)
 END_RELOC_NUMBERS (R_M32R_max)
 
 /* Processor specific section indices.  These sections do not actually