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[deliverable/binutils-gdb.git] / bfd / elf32-mips.c

diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c
index 63f1062de336cb99d03f293fbf1855969e7f9901..2e6eeb9f5d0aa9cacfc39b575582f8d661ebb45c 100644 (file)
--- a/bfd/elf32-mips.c
+++ b/bfd/elf32-mips.c
@@ -615,6 +615,25 @@ static reloc_howto_type elf_mips_gnu_rel16_s2 =
         0xffff,                /* dst_mask */
         TRUE);                 /* pcrel_offset */
 
+/* 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 */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        32,                    /* bitsize */
+        TRUE,                  /* pc_relative */
+        0,                     /* bitpos */
+        complain_overflow_signed, /* complain_on_overflow */
+        _bfd_mips_elf_generic_reloc, /* special_function */
+        "R_MIPS_PC32",         /* name */
+        TRUE,                  /* partial_inplace */
+        0xffffffff,            /* src_mask */
+        0xffffffff,            /* dst_mask */
+        TRUE);                 /* pcrel_offset */
+
 /* GNU extension to record C++ vtable hierarchy */
 static reloc_howto_type elf_mips_gnu_vtinherit_howto =
   HOWTO (R_MIPS_GNU_VTINHERIT, /* type */
@@ -1071,6 +1090,8 @@ bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
       return &elf_mips_gnu_vtentry_howto;
     case BFD_RELOC_16_PCREL_S2:
       return &elf_mips_gnu_rel16_s2;
+    case BFD_RELOC_32_PCREL:
+      return &elf_mips_gnu_pcrel32;
     }
 }
 
@@ -1092,6 +1113,8 @@ mips_elf32_rtype_to_howto (unsigned int r_type,
       return &elf_mips_gnu_vtentry_howto;
     case R_MIPS_GNU_REL16_S2:
       return &elf_mips_gnu_rel16_s2;
+    case R_MIPS_PC32:
+      return &elf_mips_gnu_pcrel32;
     default:
       BFD_ASSERT (r_type < (unsigned int) R_MIPS_max);
       return &elf_mips_howto_table_rel[r_type];