[ bfd/ChangeLog ]

2004-06-14  Chris Demetriou  <cgd@broadcom.com>

        * elf32-mips.c (elf_mips_gnu_pcrel32): Add (undoing 2004-04-24
        removal) with updated comment.
        (bfd_elf32_bfd_reloc_type_lookup): Add back case for
        BFD_RELOC_32_PCREL.
        (mips_elf32_rtype_to_howto): Add back case for R_MIPS_PC32.
        * elfxx-mips.c (mips_elf_calculate_relocation): Likewise.

[ include/elf/ChangeLog ]
2004-06-14  Chris Demetriou  <cgd@broadcom.com>

        * mips.h (R_MIPS_PC32): Add back (undoing removal on 2004-04-24),
        with an updated comment.

1 files changed, 23 insertions, 0 deletions

diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c
index 63f1062de3..2e6eeb9f5d 100644
--- 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];