Add support for mcore RVA relocs.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 5f86ff0..257b39b 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,20 @@
+1999-05-15  Nick Clifton  <nickc@cygnus.com>
+
+       * reloc.c (BFD_RELOC_MCORE_RVA): Define.
+       * bfd-in2.h: Regenerate.
+       * coff-mcore.c (in_reloc_p): Remove defintion.
+       (mcore_coff_howto): Add IMAGE_REL_MCORE_RVA.
+       (mcore_coff_reloc_type_lookup): Map BFD_RELOC_RVA to
+       IMAGE_REL_MCORE_RVA.
+       (coff_mcore_rtype_to_howto): Add special processing for
+       IMAGE_REL_MCORE_RVA.
+       (coff_mcore_relocate_section): Add support for
+       IMAGE_REL_MCORE_RVA. 
+       * elf32-mcore (mcore_elf_howto_): Add R_MCORE_RELATIVE.
+       (mcore_elf_reloc_type_lookup): Map BFD_RELOC_RVA to
+       R_MCORE_RELATIVE.
+       (mcore_elf_relocate_section): Delete redundant case labels. 
+       
 Fri May 14 10:59:55 1999  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>
 
        * elf32-arm.h (elf32_arm_relocate_section): Fix operator

diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 860ca35..044e1a5 100644 (file)
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -2171,6 +2171,7 @@ short offset into 11 bits. */
   BFD_RELOC_MCORE_PCREL_IMM4BY2,
   BFD_RELOC_MCORE_PCREL_32,
   BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2,
+  BFD_RELOC_MCORE_RVA,
 
 /* These two relocations are used by the linker to determine which of 
 the entries in a C++ virtual function table are actually used.  When

diff --git a/bfd/coff-mcore.c b/bfd/coff-mcore.c
index 0180517..7c44a47 100644 (file)
--- a/bfd/coff-mcore.c
+++ b/bfd/coff-mcore.c
@@ -45,8 +45,6 @@ static struct bfd_link_hash_table * coff_mcore_link_hash_table_create
   PARAMS ((bfd *));
 static bfd_reloc_status_type        mcore_coff_unsupported_reloc 
   PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static boolean                      in_reloc_p
-  PARAMS ((bfd *, reloc_howto_type *));
 static boolean                      coff_mcore_relocate_section
   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
           struct internal_reloc *, struct internal_syment *, asection **));
@@ -84,7 +82,7 @@ static reloc_howto_type mcore_coff_howto_table[] =
         false,                  /* pc_relative */                          
         0,                      /* bitpos */                               
         complain_overflow_dont, /* dont complain_on_overflow */
-        0,                      /* special_function */                     
+        NULL,                   /* special_function */                     
         "ABSOLUTE",             /* name */
         false,                  /* partial_inplace */                      
         0x00,                   /* src_mask */                             
@@ -98,7 +96,7 @@ static reloc_howto_type mcore_coff_howto_table[] =
         false,                 /* pc_relative */                          
         0,                     /* bitpos */                               
         complain_overflow_bitfield, /* complain_on_overflow */
-        0,                     /* special_function */                     
+        NULL,                  /* special_function */                     
         "ADDR32",              /* name */
         true,                  /* partial_inplace */                      
         0xffffffff,            /* src_mask */                             
@@ -114,7 +112,7 @@ static reloc_howto_type mcore_coff_howto_table[] =
         true,                  /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_bitfield, /* complain_on_overflow */
-        mcore_coff_unsupported_reloc,  /* special_function */
+        mcore_coff_unsupported_reloc, /* special_function */
         "IMM8BY4",             /* name */
         false,                 /* partial_inplace */
         0,                     /* src_mask */
@@ -146,7 +144,7 @@ static reloc_howto_type mcore_coff_howto_table[] =
         true,                  /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_bitfield, /* complain_on_overflow */
-        mcore_coff_unsupported_reloc,/* special_function */
+        mcore_coff_unsupported_reloc, /* special_function */
         "IMM4BY2",              /* name */
         false,                 /* partial_inplace */
         0,                     /* src_mask */
@@ -187,6 +185,20 @@ static reloc_howto_type mcore_coff_howto_table[] =
         false,                 /* partial_inplace */
         0x0,                   /* src_mask */
         0x7ff,                 /* dst_mask */
+        true),                 /* pcrel_offset */
+  
+  HOWTO (IMAGE_REL_MCORE_RVA,   /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        32,                    /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_signed, /* complain_on_overflow */
+        NULL,                  /* special_function */
+        "MCORE_RVA",           /* name */
+        true,                  /* partial_inplace */
+        0xffffffff,            /* src_mask */
+        0xffffffff,            /* dst_mask */
         true)                  /* pcrel_offset */
 };
 \f
@@ -277,6 +289,7 @@ mcore_coff_reloc_type_lookup (abfd, code)
       HOW2MAP (BFD_RELOC_MCORE_PCREL_IMM4BY2,      IMAGE_REL_MCORE_PCREL_IMM4BY2);
       HOW2MAP (BFD_RELOC_32_PCREL,                 IMAGE_REL_MCORE_PCREL_32);
       HOW2MAP (BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2, IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2);
+      HOW2MAP (BFD_RELOC_RVA,                      IMAGE_REL_MCORE_RVA);
    default: 
       return NULL;
     }
@@ -304,6 +317,9 @@ coff_mcore_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
     return NULL;
   
   howto = mcore_coff_howto_table + rel->r_type;
+
+  if (rel->r_type == IMAGE_REL_MCORE_RVA)
+    * addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
   
   if (howto->pc_relative)
     {
@@ -324,15 +340,6 @@ coff_mcore_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
   return howto;
 }
 \f
-/* Return true if this relocation should
-   appear in the output .reloc section. */
-static boolean in_reloc_p (abfd, howto)
-     bfd * abfd;
-     reloc_howto_type * howto;
-{
-  return ! howto->pc_relative;
-}     
-
 /* The reloc processing routine for the optimized COFF linker.  */
 static boolean
 coff_mcore_relocate_section (output_bfd, info, input_bfd, input_section,
@@ -492,6 +499,7 @@ coff_mcore_relocate_section (output_bfd, info, input_bfd, input_section,
        case IMAGE_REL_MCORE_PCREL_32:
        case IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2:
        case IMAGE_REL_MCORE_ADDR32:
+       case IMAGE_REL_MCORE_RVA:
          rstat = _bfd_relocate_contents (howto, input_bfd, val, loc);
          break;
        }

diff --git a/bfd/elf32-mcore.c b/bfd/elf32-mcore.c
index ef3a39f..0f78002 100644 (file)
--- a/bfd/elf32-mcore.c
+++ b/bfd/elf32-mcore.c
@@ -196,6 +196,20 @@ static reloc_howto_type mcore_elf_howto_raw[] =
          0,                     /* src_mask */
          0,                     /* dst_mask */
          false),                /* pcrel_offset */
+  
+  HOWTO (R_MCORE_RELATIVE,      /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        32,                    /* bitsize */
+        false,                 /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_signed, /* complain_on_overflow */
+        NULL,                  /* special_function */
+        "R_MCORE_RELATIVE",    /* name */
+        true,                  /* partial_inplace */
+        0xffffffff,            /* src_mask */
+        0xffffffff,            /* dst_mask */
+        true)                  /* pcrel_offset */
 };
 
 #ifndef NUM_ELEM
@@ -239,6 +253,7 @@ mcore_elf_reloc_type_lookup (abfd, code)
     case BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2: mcore_reloc = R_MCORE_PCRELJSR_IMM11BY2; break;
     case BFD_RELOC_VTABLE_INHERIT:           mcore_reloc = R_MCORE_GNU_VTINHERIT; break;
     case BFD_RELOC_VTABLE_ENTRY:             mcore_reloc = R_MCORE_GNU_VTENTRY; break;
+    case BFD_RELOC_RVA:                      mcore_reloc = R_MCORE_RELATIVE; break;
     default:
       return (reloc_howto_type *)NULL;
     }
@@ -532,9 +547,6 @@ mcore_elf_relocate_section (output_bfd, info, input_bfd, input_section,
       switch (r_type)
        {
        default:
-       case R_MCORE_PCRELIMM8BY4:      
-       case R_MCORE_PCRELIMM11BY2:
-       case R_MCORE_PCRELIMM4BY2:
          break;
 
        case R_MCORE_PCRELJSR_IMM11BY2:

diff --git a/bfd/reloc.c b/bfd/reloc.c
index 8885814..5d141b1 100644 (file)
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -2537,6 +2537,8 @@ ENUMX
   BFD_RELOC_MCORE_PCREL_32
 ENUMX
   BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2
+ENUMX
+  BFD_RELOC_MCORE_RVA
 ENUMDOC
   Motorola Mcore relocations.