/* SPARC-specific support for 32-bit ELF
- Copyright (C) 1993, 94, 95, 96, 97, 98, 99, 2000, 2001
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
- HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
- HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
- HOWTO(R_SPARC_REV32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", false,0,0xffffffff,true),
+ HOWTO(R_SPARC_UA64, 0,0, 0,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_UA64", false,0,0x00000000,true),
+ HOWTO(R_SPARC_UA16, 0,1,16,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", false,0,0x0000ffff,true),
+ HOWTO(R_SPARC_REV32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", false,0,0xffffffff,true),
};
static reloc_howto_type elf32_sparc_vtinherit_howto =
HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,false,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", false,0, 0, false);
{ BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
{ BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
{ BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
- /* ??? Doesn't dwarf use this? */
-/*{ BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */
- {BFD_RELOC_SPARC_10, R_SPARC_10},
- {BFD_RELOC_SPARC_11, R_SPARC_11},
- {BFD_RELOC_SPARC_64, R_SPARC_64},
- {BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10},
- {BFD_RELOC_SPARC_HH22, R_SPARC_HH22},
- {BFD_RELOC_SPARC_HM10, R_SPARC_HM10},
- {BFD_RELOC_SPARC_LM22, R_SPARC_LM22},
- {BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22},
- {BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10},
- {BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22},
- {BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16},
- {BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19},
- {BFD_RELOC_SPARC_7, R_SPARC_7},
- {BFD_RELOC_SPARC_5, R_SPARC_5},
- {BFD_RELOC_SPARC_6, R_SPARC_6},
- {BFD_RELOC_SPARC_REV32, R_SPARC_REV32 },
- {BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT},
- {BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY},
+ { BFD_RELOC_SPARC_UA16, R_SPARC_UA16 },
+ { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 },
+ { BFD_RELOC_SPARC_UA64, R_SPARC_UA64 },
+ { BFD_RELOC_SPARC_10, R_SPARC_10 },
+ { BFD_RELOC_SPARC_11, R_SPARC_11 },
+ { BFD_RELOC_SPARC_64, R_SPARC_64 },
+ { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 },
+ { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 },
+ { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 },
+ { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 },
+ { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 },
+ { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 },
+ { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 },
+ { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 },
+ { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 },
+ { BFD_RELOC_SPARC_7, R_SPARC_7 },
+ { BFD_RELOC_SPARC_5, R_SPARC_5 },
+ { BFD_RELOC_SPARC_6, R_SPARC_6 },
+ { BFD_RELOC_SPARC_REV32, R_SPARC_REV32 },
+ { BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT },
+ { BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY },
};
static reloc_howto_type *
case R_SPARC_22:
case R_SPARC_13:
case R_SPARC_LO10:
+ case R_SPARC_UA16:
case R_SPARC_UA32:
if (h != NULL)
h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
- if (info->shared)
+ if (info->shared && (sec->flags & SEC_ALLOC))
{
/* When creating a shared object, we must copy these
relocs into the output file. We create a reloc
|| r_type == R_SPARC_22
|| r_type == R_SPARC_13
|| r_type == R_SPARC_LO10
+ || r_type == R_SPARC_UA16
|| r_type == R_SPARC_UA32
|| ((r_type == R_SPARC_PC10
|| r_type == R_SPARC_PC22)
case R_SPARC_22:
case R_SPARC_13:
case R_SPARC_LO10:
+ case R_SPARC_UA16:
case R_SPARC_UA32:
- if (info->shared)
+ if (info->shared && (input_section->flags & SEC_ALLOC))
{
Elf_Internal_Rela outrel;
boolean skip;
outrel.r_offset += (input_section->output_section->vma
+ input_section->output_offset);
+ /* Optimize unaligned reloc usage now that we know where
+ it finally resides. */
+ switch (r_type)
+ {
+ case R_SPARC_16:
+ if (outrel.r_offset & 1)
+ r_type = R_SPARC_UA16;
+ break;
+ case R_SPARC_UA16:
+ if (!(outrel.r_offset & 1))
+ r_type = R_SPARC_16;
+ break;
+ case R_SPARC_32:
+ if (outrel.r_offset & 3)
+ r_type = R_SPARC_UA32;
+ break;
+ case R_SPARC_UA32:
+ if (!(outrel.r_offset & 3))
+ r_type = R_SPARC_32;
+ break;
+ }
+
if (skip)
memset (&outrel, 0, sizeof outrel);
/* h->dynindx may be -1 if the symbol was marked to
++sreloc->reloc_count;
/* This reloc will be computed at runtime, so there's no
- need to do anything now, unless this is a RELATIVE
- reloc in an unallocated section. */
- if (skip
- || (input_section->flags & SEC_ALLOC) != 0
- || ELF32_R_TYPE (outrel.r_info) != R_SPARC_RELATIVE)
- continue;
+ need to do anything now. */
+ continue;
}
break;
/* Mark the symbol as undefined, rather than as defined in
the .plt section. Leave the value alone. */
sym->st_shndx = SHN_UNDEF;
+ /* If the symbol is weak, we do need to clear the value.
+ Otherwise, the PLT entry would provide a definition for
+ the symbol even if the symbol wasn't defined anywhere,
+ and so the symbol would never be NULL. */
+ if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK)
+ == 0)
+ sym->st_value = 0;
}
}
}
else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
- bfd_mach_sparc_sparclite_le);
+ bfd_mach_sparc_sparclite_le);
else
return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
}
projects / deliverable / binutils-gdb.git / blobdiff