[ bfd/ChangeLog ]
[binutils-gdb.git] / bfd / elf32-mips.c
index 2f6f43632b1a36f888b0fed0ccf0d771482cde3c..2e6eeb9f5d0aa9cacfc39b575582f8d661ebb45c 100644 (file)
@@ -599,39 +599,6 @@ static reloc_howto_type elf_mips16_gprel_howto =
         0x07ff001f,            /* dst_mask */
         FALSE);                /* pcrel_offset */
 
-/* GNU extensions for embedded-pic.  */
-/* High 16 bits of symbol value, pc-relative.  */
-static reloc_howto_type elf_mips_gnu_rel_hi16 =
-  HOWTO (R_MIPS_GNU_REL_HI16,  /* type */
-        16,                    /* rightshift */
-        2,                     /* size (0 = byte, 1 = short, 2 = long) */
-        16,                    /* bitsize */
-        TRUE,                  /* pc_relative */
-        0,                     /* bitpos */
-        complain_overflow_dont, /* complain_on_overflow */
-        _bfd_mips_elf_hi16_reloc, /* special_function */
-        "R_MIPS_GNU_REL_HI16", /* name */
-        TRUE,                  /* partial_inplace */
-        0xffff,                /* src_mask */
-        0xffff,                /* dst_mask */
-        TRUE);                 /* pcrel_offset */
-
-/* Low 16 bits of symbol value, pc-relative.  */
-static reloc_howto_type elf_mips_gnu_rel_lo16 =
-  HOWTO (R_MIPS_GNU_REL_LO16,  /* type */
-        0,                     /* rightshift */
-        2,                     /* size (0 = byte, 1 = short, 2 = long) */
-        16,                    /* bitsize */
-        TRUE,                  /* pc_relative */
-        0,                     /* bitpos */
-        complain_overflow_dont, /* complain_on_overflow */
-        _bfd_mips_elf_lo16_reloc, /* special_function */
-        "R_MIPS_GNU_REL_LO16", /* name */
-        TRUE,                  /* partial_inplace */
-        0xffff,                /* src_mask */
-        0xffff,                /* dst_mask */
-        TRUE);                 /* pcrel_offset */
-
 /* 16 bit offset for pc-relative branches.  */
 static reloc_howto_type elf_mips_gnu_rel16_s2 =
   HOWTO (R_MIPS_GNU_REL16_S2,  /* type */
@@ -648,23 +615,10 @@ static reloc_howto_type elf_mips_gnu_rel16_s2 =
         0xffff,                /* dst_mask */
         TRUE);                 /* pcrel_offset */
 
-/* 64 bit pc-relative.  */
-static reloc_howto_type elf_mips_gnu_pcrel64 =
-  HOWTO (R_MIPS_PC64,          /* type */
-        0,                     /* rightshift */
-        4,                     /* size (0 = byte, 1 = short, 2 = long) */
-        64,                    /* bitsize */
-        TRUE,                  /* pc_relative */
-        0,                     /* bitpos */
-        complain_overflow_signed, /* complain_on_overflow */
-        _bfd_mips_elf_generic_reloc, /* special_function */
-        "R_MIPS_PC64",         /* name */
-        TRUE,                  /* partial_inplace */
-        MINUS_ONE,             /* src_mask */
-        MINUS_ONE,             /* dst_mask */
-        TRUE);                 /* pcrel_offset */
-
-/* 32 bit pc-relative.  */
+/* 32 bit pc-relative.  This was a GNU extension used by embedded-PIC.
+   It was co-opted by mips-linux for exception-handling data.  It is no
+   longer used, but should continue to be supported by the linker for
+   backward compatibility.  (GCC stopped using it in May, 2004.)  */
 static reloc_howto_type elf_mips_gnu_pcrel32 =
   HOWTO (R_MIPS_PC32,          /* type */
         0,                     /* rightshift */
@@ -1134,14 +1088,8 @@ bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
       return &elf_mips_gnu_vtinherit_howto;
     case BFD_RELOC_VTABLE_ENTRY:
       return &elf_mips_gnu_vtentry_howto;
-    case BFD_RELOC_PCREL_HI16_S:
-      return &elf_mips_gnu_rel_hi16;
-    case BFD_RELOC_PCREL_LO16:
-      return &elf_mips_gnu_rel_lo16;
     case BFD_RELOC_16_PCREL_S2:
       return &elf_mips_gnu_rel16_s2;
-    case BFD_RELOC_64_PCREL:
-      return &elf_mips_gnu_pcrel64;
     case BFD_RELOC_32_PCREL:
       return &elf_mips_gnu_pcrel32;
     }
@@ -1163,14 +1111,8 @@ mips_elf32_rtype_to_howto (unsigned int r_type,
       return &elf_mips_gnu_vtinherit_howto;
     case R_MIPS_GNU_VTENTRY:
       return &elf_mips_gnu_vtentry_howto;
-    case R_MIPS_GNU_REL_HI16:
-      return &elf_mips_gnu_rel_hi16;
-    case R_MIPS_GNU_REL_LO16:
-      return &elf_mips_gnu_rel_lo16;
     case R_MIPS_GNU_REL16_S2:
       return &elf_mips_gnu_rel16_s2;
-    case R_MIPS_PC64:
-      return &elf_mips_gnu_pcrel64;
     case R_MIPS_PC32:
       return &elf_mips_gnu_pcrel32;
     default: