/* MIPS-specific support for 64-bit ELF
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2007 Free Software Foundation, Inc.
+ 2006, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
Ian Lance Taylor, Cygnus Support
Linker support added by Mark Mitchell, CodeSourcery, LLC.
<mark@codesourcery.com>
/* TLS relocations. */
EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32),
EMPTY_HOWTO (R_MIPS_TLS_DTPREL32),
- EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64),
+
+ HOWTO (R_MIPS_TLS_DTPMOD64, /* type */
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_DTPMOD64", /* name */
+ FALSE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
HOWTO (R_MIPS_TLS_DTPREL64, /* type */
0, /* rightshift */
complain_overflow_dont, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_TLS_DTPREL64", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
MINUS_ONE, /* src_mask */
MINUS_ONE, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_signed, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_TLS_GD", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_signed, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_TLS_LDM", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_signed, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_TLS_DTPREL_HI16", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_signed, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_TLS_DTPREL_LO16", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_signed, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_TLS_GOTTPREL", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
+ /* TLS IE dynamic relocations. */
EMPTY_HOWTO (R_MIPS_TLS_TPREL32),
- EMPTY_HOWTO (R_MIPS_TLS_TPREL64),
+
+ HOWTO (R_MIPS_TLS_TPREL64, /* type */
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_TPREL64", /* name */
+ FALSE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* TLS thread pointer offset. */
HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */
complain_overflow_signed, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_TLS_TPREL_HI16", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
complain_overflow_signed, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_TLS_TPREL_LO16", /* name */
- TRUE, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
0x0000ffff, /* dst_mask */
TRUE); /* pcrel_offset */
\f
+/* Originally a VxWorks extension, but now used for other systems too. */
+static reloc_howto_type elf_mips_copy_howto =
+ HOWTO (R_MIPS_COPY, /* type */
+ 0, /* rightshift */
+ 0, /* this one is variable size */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MIPS_COPY", /* name */
+ FALSE, /* partial_inplace */
+ 0x0, /* src_mask */
+ 0x0, /* dst_mask */
+ FALSE); /* pcrel_offset */
+
+/* Originally a VxWorks extension, but now used for other systems too. */
+static reloc_howto_type elf_mips_jump_slot_howto =
+ HOWTO (R_MIPS_JUMP_SLOT, /* type */
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_MIPS_JUMP_SLOT", /* name */
+ FALSE, /* partial_inplace */
+ 0x0, /* src_mask */
+ 0x0, /* dst_mask */
+ FALSE); /* pcrel_offset */
+\f
/* Swap in a MIPS 64-bit Rel reloc. */
static void
return &elf_mips_gnu_vtinherit_howto;
case BFD_RELOC_VTABLE_ENTRY:
return &elf_mips_gnu_vtentry_howto;
+ case BFD_RELOC_MIPS_COPY:
+ return &elf_mips_copy_howto;
+ case BFD_RELOC_MIPS_JUMP_SLOT:
+ return &elf_mips_jump_slot_howto;
default:
bfd_set_error (bfd_error_bad_value);
return NULL;
return &elf_mips_gnu_rel16_s2;
if (strcasecmp (elf_mips_gnu_rela16_s2.name, r_name) == 0)
return &elf_mips_gnu_rela16_s2;
+ if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0)
+ return &elf_mips_copy_howto;
+ if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0)
+ return &elf_mips_jump_slot_howto;
return NULL;
}
return &elf_mips_gnu_rela16_s2;
else
return &elf_mips_gnu_rel16_s2;
+ case R_MIPS_COPY:
+ return &elf_mips_copy_howto;
+ case R_MIPS_JUMP_SLOT:
+ return &elf_mips_jump_slot_howto;
default:
if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max)
{
default:
if (! used_sym)
{
- if (rela.r_sym == 0)
+ if (rela.r_sym == STN_UNDEF)
relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
else
{
|| asect->reloc_count == 0)
return TRUE;
- rel_hdr = &d->rel_hdr;
- reloc_count = NUM_SHDR_ENTRIES (rel_hdr);
- rel_hdr2 = d->rel_hdr2;
+ rel_hdr = d->rel.hdr;
+ reloc_count = rel_hdr ? NUM_SHDR_ENTRIES (rel_hdr) : 0;
+ rel_hdr2 = d->rela.hdr;
reloc_count2 = (rel_hdr2 ? NUM_SHDR_ENTRIES (rel_hdr2) : 0);
BFD_ASSERT (asect->reloc_count == reloc_count + reloc_count2);
- BFD_ASSERT (asect->rel_filepos == rel_hdr->sh_offset
+ BFD_ASSERT ((rel_hdr && asect->rel_filepos == rel_hdr->sh_offset)
|| (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset));
}
/* The slurp_one_reloc_table routine increments reloc_count. */
asect->reloc_count = 0;
- if (! mips_elf64_slurp_one_reloc_table (abfd, asect,
- rel_hdr, reloc_count,
- relents,
- symbols, dynamic))
+ if (rel_hdr != NULL
+ && ! mips_elf64_slurp_one_reloc_table (abfd, asect,
+ rel_hdr, reloc_count,
+ relents,
+ symbols, dynamic))
+ return FALSE;
+ if (rel_hdr2 != NULL
+ && ! mips_elf64_slurp_one_reloc_table (abfd, asect,
+ rel_hdr2, reloc_count2,
+ relents + reloc_count * 3,
+ symbols, dynamic))
return FALSE;
- if (d->rel_hdr2 != NULL)
- {
- if (! mips_elf64_slurp_one_reloc_table (abfd, asect,
- rel_hdr2, reloc_count2,
- relents + reloc_count * 3,
- symbols, dynamic))
- return FALSE;
- }
asect->relocation = relents;
return TRUE;
}
}
- rel_hdr = &elf_section_data (sec)->rel_hdr;
+ rel_hdr = _bfd_elf_single_rel_hdr (sec);
/* Do the actual relocation. */
elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
/* pr_pid */
- elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 32);
+ elf_tdata (abfd)->core_lwpid = bfd_get_32 (abfd, note->descdata + 32);
/* pr_reg */
offset = 112;
};
#define ELF_ARCH bfd_arch_mips
+#define ELF_TARGET_ID MIPS_ELF_DATA
#define ELF_MACHINE_CODE EM_MIPS
#define elf_backend_collect TRUE
#define elf_backend_may_use_rel_p 1
#define elf_backend_may_use_rela_p 1
#define elf_backend_default_use_rela_p 1
+#define elf_backend_rela_plts_and_copies_p 0
+#define elf_backend_plt_readonly 1
+#define elf_backend_plt_sym_val _bfd_mips_elf_plt_sym_val
#define elf_backend_sign_extend_vma TRUE
#define bfd_elf64_archive_truncate_arname \
_bfd_archive_coff_truncate_arname
#define bfd_elf64_archive_read_ar_hdr _bfd_archive_coff_read_ar_hdr
+#define bfd_elf64_archive_write_ar_hdr _bfd_archive_coff_write_ar_hdr
#define bfd_elf64_archive_openr_next_archived_file \
_bfd_archive_coff_openr_next_archived_file
#define bfd_elf64_archive_get_elt_at_index \
/* Include the target file again for this target. */
#include "elf64-target.h"
+
+
+/* FreeBSD support. */
+
+#undef TARGET_LITTLE_SYM
+#undef TARGET_LITTLE_NAME
+#undef TARGET_BIG_SYM
+#undef TARGET_BIG_NAME
+
+#define TARGET_LITTLE_SYM bfd_elf64_tradlittlemips_freebsd_vec
+#define TARGET_LITTLE_NAME "elf64-tradlittlemips-freebsd"
+#define TARGET_BIG_SYM bfd_elf64_tradbigmips_freebsd_vec
+#define TARGET_BIG_NAME "elf64-tradbigmips-freebsd"
+
+#undef ELF_OSABI
+#define ELF_OSABI ELFOSABI_FREEBSD
+
+/* The kernel recognizes executables as valid only if they carry a
+ "FreeBSD" label in the ELF header. So we put this label on all
+ executables and (for simplicity) also all other object files. */
+
+static void
+elf_fbsd_post_process_headers (bfd *abfd, struct bfd_link_info *info)
+{
+ _bfd_elf_set_osabi (abfd, info);
+}
+
+#undef elf_backend_post_process_headers
+#define elf_backend_post_process_headers elf_fbsd_post_process_headers
+#undef elf64_bed
+#define elf64_bed elf64_fbsd_tradbed
+
+#include "elf64-target.h"
projects / deliverable / binutils-gdb.git / blobdiff