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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.
This commit is contained in:
Chris Demetriou 2004-06-14 18:25:10 +00:00
parent 700c15aa2a
commit 092dcd755d
5 changed files with 47 additions and 0 deletions
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9
bfd/ChangeLog
View file

@ -1,3 +1,12 @@
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.
2004-06-12 Alan Modra <amodra@bigpond.net.au>
* elf64-x86-64.c (elf64_x86_64_relocate_section): Ignore reloc

23
bfd/elf32-mips.c
View file

@ -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];

5
bfd/elfxx-mips.c
View file

@ -3336,6 +3336,11 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
value &= howto->dst_mask;
break;
case R_MIPS_PC32:
value = symbol + addend - p;
value &= howto->dst_mask;
break;
case R_MIPS_GNU_REL16_S2:
value = symbol + _bfd_mips_elf_sign_extend (addend, 18) - p;
overflowed_p = mips_elf_overflow_p (value, 18);

5
include/elf/ChangeLog
View file

@ -1,3 +1,8 @@
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.
2004-05-28 Andrew Stubbs <andrew.stubbs@superh.com>
* sh.h (EF_SH_HAS_DSP): Remove.

5
include/elf/mips.h
View file

@ -76,6 +76,11 @@ START_RELOC_NUMBERS (elf_mips_reloc_type)
/* These relocs are used for the mips16. */
RELOC_NUMBER (R_MIPS16_26, 100)
RELOC_NUMBER (R_MIPS16_GPREL, 101)
/* 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.) */
RELOC_NUMBER (R_MIPS_PC32, 248)
/* FIXME: this relocation is used internally by gas. */
RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250)
/* These are GNU extensions to enable C++ vtable garbage collection. */