/* MIPS-specific support for 64-bit ELF
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 1996-2014 Free Software Foundation, Inc.
Ian Lance Taylor, Cygnus Support
Linker support added by Mark Mitchell, CodeSourcery, LLC.
<mark@codesourcery.com>
static bfd_boolean elf64_mips_grok_psinfo
(bfd *, Elf_Internal_Note *);
-extern const bfd_target bfd_elf64_bigmips_vec;
-extern const bfd_target bfd_elf64_littlemips_vec;
+extern const bfd_target mips_elf64_be_vec;
+extern const bfd_target mips_elf64_le_vec;
/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
from smaller values. Start with zero, widen, *then* decrement. */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
+
+ /* Section displacement. */
+ HOWTO (R_MICROMIPS_SCN_DISP, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MICROMIPS_SCN_DISP", /* name */
+ TRUE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Protected jump conversion. This is an optimization hint. No
+ relocation is required for correctness. */
+ HOWTO (R_MICROMIPS_JALR, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MICROMIPS_JALR", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x00000000, /* dst_mask */
+ FALSE), /* pcrel_offset */
};
static reloc_howto_type micromips_elf64_howto_table_rela[] =
0, /* src_mask */
0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
+
+ /* Section displacement. */
+ HOWTO (R_MICROMIPS_SCN_DISP, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MICROMIPS_SCN_DISP", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Protected jump conversion. This is an optimization hint. No
+ relocation is required for correctness. */
+ HOWTO (R_MICROMIPS_JALR, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MICROMIPS_JALR", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x00000000, /* dst_mask */
+ FALSE), /* pcrel_offset */
};
/* GNU extension to record C++ vtable hierarchy */
0, /* src_mask */
0x0000ffff, /* dst_mask */
TRUE); /* pcrel_offset */
+
+/* 32 bit pc-relative. Used for compact EH tables. */
+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 */
+
\f
/* Originally a VxWorks extension, but now used for other systems too. */
static reloc_howto_type elf_mips_copy_howto =
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ _bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_COPY", /* name */
FALSE, /* partial_inplace */
0x0, /* src_mask */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ _bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_JUMP_SLOT", /* name */
FALSE, /* partial_inplace */
0x0, /* src_mask */
0x0, /* dst_mask */
FALSE); /* pcrel_offset */
+
+/* Used in EH tables. */
+static reloc_howto_type elf_mips_eh_howto =
+ HOWTO (R_MIPS_EH, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_EH", /* name */
+ TRUE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE); /* pcrel_offset */
+
\f
/* Swap in a MIPS 64-bit Rel reloc. */
{ BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min },
{ BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min },
{ BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min },
+ { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min },
+ { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min },
};
/* Given a BFD reloc type, return a howto structure. */
return &elf_mips_gnu_vtinherit_howto;
case BFD_RELOC_VTABLE_ENTRY:
return &elf_mips_gnu_vtentry_howto;
+ case BFD_RELOC_32_PCREL:
+ return &elf_mips_gnu_pcrel32;
+ case BFD_RELOC_MIPS_EH:
+ return &elf_mips_eh_howto;
case BFD_RELOC_MIPS_COPY:
return &elf_mips_copy_howto;
case BFD_RELOC_MIPS_JUMP_SLOT:
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_gnu_pcrel32.name, r_name) == 0)
+ return &elf_mips_gnu_pcrel32;
+ if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0)
+ return &elf_mips_eh_howto;
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_gnu_rela16_s2;
else
return &elf_mips_gnu_rel16_s2;
+ case R_MIPS_PC32:
+ return &elf_mips_gnu_pcrel32;
+ case R_MIPS_EH:
+ return &elf_mips_eh_howto;
case R_MIPS_COPY:
return &elf_mips_copy_howto;
case R_MIPS_JUMP_SLOT:
static irix_compat_t
elf64_mips_irix_compat (bfd *abfd)
{
- if ((abfd->xvec == &bfd_elf64_bigmips_vec)
- || (abfd->xvec == &bfd_elf64_littlemips_vec))
+ if ((abfd->xvec == &mips_elf64_be_vec)
+ || (abfd->xvec == &mips_elf64_le_vec))
return ict_irix6;
else
return ict_none;
case 480: /* Linux/MIPS - N64 kernel */
/* pr_cursig */
- elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
+ elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
/* pr_pid */
- elf_tdata (abfd)->core_lwpid = bfd_get_32 (abfd, note->descdata + 32);
+ elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 32);
/* pr_reg */
offset = 112;
return FALSE;
case 136: /* Linux/MIPS - N64 kernel elf_prpsinfo */
- elf_tdata (abfd)->core_program
+ elf_tdata (abfd)->core->program
= _bfd_elfcore_strndup (abfd, note->descdata + 40, 16);
- elf_tdata (abfd)->core_command
+ elf_tdata (abfd)->core->command
= _bfd_elfcore_strndup (abfd, note->descdata + 56, 80);
}
implementations, so strip it off if it exists. */
{
- char *command = elf_tdata (abfd)->core_command;
+ char *command = elf_tdata (abfd)->core->command;
int n = strlen (command);
if (0 < n && command[n - 1] == ' ')
#define elf_backend_collect TRUE
#define elf_backend_type_change_ok TRUE
#define elf_backend_can_gc_sections TRUE
+#define elf_backend_gc_mark_extra_sections \
+ _bfd_mips_elf_gc_mark_extra_sections
#define elf_info_to_howto mips_elf64_info_to_howto_rela
#define elf_info_to_howto_rel mips_elf64_info_to_howto_rel
#define elf_backend_object_p mips_elf64_object_p
#define bfd_elf64_get_dynamic_reloc_upper_bound mips_elf64_get_dynamic_reloc_upper_bound
#define bfd_elf64_canonicalize_dynamic_reloc mips_elf64_canonicalize_dynamic_reloc
#define bfd_elf64_bfd_relax_section _bfd_mips_relax_section
+#define bfd_elf64_mkobject _bfd_mips_elf_mkobject
/* MIPS ELF64 archive functions. */
#define bfd_elf64_archive_functions
_bfd_archive_coff_update_armap_timestamp
/* The SGI style (n)64 NewABI. */
-#define TARGET_LITTLE_SYM bfd_elf64_littlemips_vec
+#define TARGET_LITTLE_SYM mips_elf64_le_vec
#define TARGET_LITTLE_NAME "elf64-littlemips"
-#define TARGET_BIG_SYM bfd_elf64_bigmips_vec
+#define TARGET_BIG_SYM mips_elf64_be_vec
#define TARGET_BIG_NAME "elf64-bigmips"
#define ELF_MAXPAGESIZE 0x10000
#undef ELF_MAXPAGESIZE
#undef ELF_COMMONPAGESIZE
-#define TARGET_LITTLE_SYM bfd_elf64_tradlittlemips_vec
+#define TARGET_LITTLE_SYM mips_elf64_trad_le_vec
#define TARGET_LITTLE_NAME "elf64-tradlittlemips"
-#define TARGET_BIG_SYM bfd_elf64_tradbigmips_vec
+#define TARGET_BIG_SYM mips_elf64_trad_be_vec
#define TARGET_BIG_NAME "elf64-tradbigmips"
#define ELF_MAXPAGESIZE 0x10000
#undef TARGET_BIG_SYM
#undef TARGET_BIG_NAME
-#define TARGET_LITTLE_SYM bfd_elf64_tradlittlemips_freebsd_vec
+#define TARGET_LITTLE_SYM mips_elf64_tradfbsd_le_vec
#define TARGET_LITTLE_NAME "elf64-tradlittlemips-freebsd"
-#define TARGET_BIG_SYM bfd_elf64_tradbigmips_freebsd_vec
+#define TARGET_BIG_SYM mips_elf64_tradfbsd_be_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
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