/* MIPS-specific support for 64-bit ELF
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2006, 2007, 2008 Free Software Foundation, Inc.
Ian Lance Taylor, Cygnus Support
Linker support added by Mark Mitchell, CodeSourcery, LLC.
<mark@codesourcery.com>
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This file supports the 64-bit MIPS ELF ABI.
. the OldABI version is still lying around and should be removed.
*/
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "aout/ar.h"
#include "bfdlink.h"
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type mips_elf64_shift6_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
-static bfd_reloc_status_type mips16_jump_reloc
- (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type mips16_gprel_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_boolean mips_elf64_assign_gp
0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
- /* 16 bit PC relative reference. */
+ /* 16 bit PC relative reference. Note that the ABI document has a typo
+ and claims R_MIPS_PC16 to be not rightshifted, rendering it useless.
+ We do the right thing here. */
HOWTO (R_MIPS_PC16, /* type */
- 0, /* rightshift */
+ 2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
TRUE, /* pc_relative */
/* Protected jump conversion. This is an optimization hint. No
relocation is required for correctness. */
- HOWTO (R_MIPS_JALR, /* type */
+ HOWTO (R_MIPS_JALR, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
- "R_MIPS_JALR", /* name */
+ "R_MIPS_JALR", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
0x00000000, /* dst_mask */
FALSE), /* pcrel_offset */
+
+ /* TLS relocations. */
+ EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32),
+ EMPTY_HOWTO (R_MIPS_TLS_DTPREL32),
+
+ 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 */
+ TRUE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_MIPS_TLS_DTPREL64, /* 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_DTPREL64", /* name */
+ TRUE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS general dynamic variable reference. */
+ HOWTO (R_MIPS_TLS_GD, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_GD", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS local dynamic variable reference. */
+ HOWTO (R_MIPS_TLS_LDM, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_LDM", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS local dynamic offset. */
+ HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_DTPREL_HI16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS local dynamic offset. */
+ HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_DTPREL_LO16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS thread pointer offset. */
+ HOWTO (R_MIPS_TLS_GOTTPREL, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_GOTTPREL", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS IE dynamic relocations. */
+ EMPTY_HOWTO (R_MIPS_TLS_TPREL32),
+
+ 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 */
+ TRUE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS thread pointer offset. */
+ HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_TPREL_HI16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS thread pointer offset. */
+ HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_TPREL_LO16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 32 bit relocation with no addend. */
+ HOWTO (R_MIPS_GLOB_DAT, /* 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_MIPS_GLOB_DAT", /* name */
+ FALSE, /* partial_inplace */
+ 0x0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
};
/* The relocation table used for SHT_RELA sections. */
0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
- /* 16 bit PC relative reference. */
+ /* 16 bit PC relative reference. Note that the ABI document has a typo
+ and claims R_MIPS_PC16 to be not rightshifted, rendering it useless.
+ We do the right thing here. */
HOWTO (R_MIPS_PC16, /* type */
- 0, /* rightshift */
+ 2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
TRUE, /* pc_relative */
/* Protected jump conversion. This is an optimization hint. No
relocation is required for correctness. */
- HOWTO (R_MIPS_JALR, /* type */
+ HOWTO (R_MIPS_JALR, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
- "R_MIPS_JALR", /* name */
+ "R_MIPS_JALR", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
0x00000000, /* dst_mask */
FALSE), /* pcrel_offset */
+
+ /* TLS relocations. */
+ EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32),
+ EMPTY_HOWTO (R_MIPS_TLS_DTPREL32),
+ EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64),
+
+ HOWTO (R_MIPS_TLS_DTPREL64, /* 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_DTPREL64", /* name */
+ TRUE, /* partial_inplace */
+ MINUS_ONE, /* src_mask */
+ MINUS_ONE, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS general dynamic variable reference. */
+ HOWTO (R_MIPS_TLS_GD, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_GD", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS local dynamic variable reference. */
+ HOWTO (R_MIPS_TLS_LDM, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_LDM", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS local dynamic offset. */
+ HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_DTPREL_HI16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS local dynamic offset. */
+ HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_DTPREL_LO16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS thread pointer offset. */
+ HOWTO (R_MIPS_TLS_GOTTPREL, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_GOTTPREL", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ EMPTY_HOWTO (R_MIPS_TLS_TPREL32),
+ EMPTY_HOWTO (R_MIPS_TLS_TPREL64),
+
+ /* TLS thread pointer offset. */
+ HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_TPREL_HI16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* TLS thread pointer offset. */
+ HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_TLS_TPREL_LO16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 32 bit relocation with no addend. */
+ HOWTO (R_MIPS_GLOB_DAT, /* 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_MIPS_GLOB_DAT", /* name */
+ FALSE, /* partial_inplace */
+ 0x0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
};
-/* The reloc used for the mips16 jump instruction. */
-static reloc_howto_type elf_mips16_jump_howto =
+static reloc_howto_type mips16_elf64_howto_table_rel[] =
+{
+ /* The reloc used for the mips16 jump instruction. */
HOWTO (R_MIPS16_26, /* type */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
/* This needs complex overflow
detection, because the upper four
bits must match the PC. */
- mips16_jump_reloc, /* special_function */
+ _bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS16_26", /* name */
TRUE, /* partial_inplace */
0x3ffffff, /* src_mask */
0x3ffffff, /* dst_mask */
- FALSE); /* pcrel_offset */
+ FALSE), /* pcrel_offset */
-/* The reloc used for the mips16 gprel instruction. */
-static reloc_howto_type elf_mips16_gprel_howto =
+ /* The reloc used for the mips16 gprel instruction. */
HOWTO (R_MIPS16_GPREL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
mips16_gprel_reloc, /* special_function */
"R_MIPS16_GPREL", /* name */
TRUE, /* partial_inplace */
- 0x07ff001f, /* src_mask */
- 0x07ff001f, /* dst_mask */
- FALSE); /* pcrel_offset */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A MIPS16 reference to the global offset table. */
+ HOWTO (R_MIPS16_GOT16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_got16_reloc, /* special_function */
+ "R_MIPS16_GOT16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A MIPS16 call through the global offset table. */
+ HOWTO (R_MIPS16_CALL16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS16_CALL16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* MIPS16 high 16 bits of symbol value. */
+ HOWTO (R_MIPS16_HI16, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_hi16_reloc, /* special_function */
+ "R_MIPS16_HI16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* MIPS16 low 16 bits of symbol value. */
+ HOWTO (R_MIPS16_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_lo16_reloc, /* special_function */
+ "R_MIPS16_LO16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+};
+
+static reloc_howto_type mips16_elf64_howto_table_rela[] =
+{
+ /* The reloc used for the mips16 jump instruction. */
+ HOWTO (R_MIPS16_26, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ /* This needs complex overflow
+ detection, because the upper four
+ bits must match the PC. */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS16_26", /* name */
+ FALSE, /* partial_inplace */
+ 0x3ffffff, /* src_mask */
+ 0x3ffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* The reloc used for the mips16 gprel instruction. */
+ HOWTO (R_MIPS16_GPREL, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ mips16_gprel_reloc, /* special_function */
+ "R_MIPS16_GPREL", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A MIPS16 reference to the global offset table. */
+ HOWTO (R_MIPS16_GOT16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_got16_reloc, /* special_function */
+ "R_MIPS16_GOT16", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A MIPS16 call through the global offset table. */
+ HOWTO (R_MIPS16_CALL16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS16_CALL16", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* MIPS16 high 16 bits of symbol value. */
+ HOWTO (R_MIPS16_HI16, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_hi16_reloc, /* special_function */
+ "R_MIPS16_HI16", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* MIPS16 low 16 bits of symbol value. */
+ HOWTO (R_MIPS16_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_lo16_reloc, /* special_function */
+ "R_MIPS16_LO16", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+};
/* GNU extension to record C++ vtable hierarchy */
static reloc_howto_type elf_mips_gnu_vtinherit_howto =
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
bfd_reloc_status_type ret;
bfd_vma gp;
- /* If we're relocating, and this is an external symbol, we don't
- want to change anything. */
+ /* R_MIPS_LITERAL relocations are defined for local symbols only. */
if (output_bfd != NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
&& (symbol->flags & BSF_LOCAL) != 0)
{
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
+ *error_message = (char *)
+ _("literal relocation occurs for an external symbol");
+ return bfd_reloc_outofrange;
}
/* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */
output_bfd = symbol->section->output_section->owner;
}
- ret = mips_elf64_final_gp (output_bfd, symbol, relocatable,
- error_message, &gp);
- if (ret != bfd_reloc_ok)
- return ret;
+ ret = mips_elf64_final_gp (output_bfd, symbol, relocatable,
+ error_message, &gp);
+ if (ret != bfd_reloc_ok)
+ return ret;
if (bfd_is_com_section (symbol->section))
relocation = 0;
error_message);
}
-/* Handle a mips16 jump. */
-
-static bfd_reloc_status_type
-mips16_jump_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
- asymbol *symbol, void *data ATTRIBUTE_UNUSED,
- asection *input_section, bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
-{
- if (output_bfd != NULL
- && (symbol->flags & BSF_SECTION_SYM) == 0
- && (! reloc_entry->howto->partial_inplace
- || reloc_entry->addend == 0))
- {
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
- }
-
- /* FIXME. */
- {
- static bfd_boolean warned;
-
- if (! warned)
- (*_bfd_error_handler)
- (_("Linking mips16 objects into %s format is not supported"),
- bfd_get_target (input_section->output_section->owner));
- warned = TRUE;
- }
-
- return bfd_reloc_undefined;
-}
-
/* Handle a mips16 GP relative reloc. */
static bfd_reloc_status_type
{
bfd_boolean relocatable;
bfd_reloc_status_type ret;
+ bfd_byte *location;
bfd_vma gp;
- unsigned short extend = 0;
- unsigned short insn = 0;
- bfd_signed_vma val;
- bfd_vma relocation;
- /* If we're relocating, and this is an external symbol with no
- addend, we don't want to change anything. */
+ /* If we're relocating, and this is an external symbol, we don't want
+ to change anything. */
if (output_bfd != NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
&& (symbol->flags & BSF_LOCAL) != 0)
if (ret != bfd_reloc_ok)
return ret;
- if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
- return bfd_reloc_outofrange;
-
- if (bfd_is_com_section (symbol->section))
- relocation = 0;
- else
- relocation = symbol->value;
-
- relocation += symbol->section->output_section->vma;
- relocation += symbol->section->output_offset;
-
- /* Set val to the offset into the section or symbol. */
- val = reloc_entry->addend;
-
- if (reloc_entry->howto->partial_inplace)
- {
- /* Pick up the mips16 extend instruction and the real instruction. */
- extend = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address);
- insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address + 2);
- val += ((extend & 0x1f) << 11) | (extend & 0x7e0) | (insn & 0x1f);
- }
-
- _bfd_mips_elf_sign_extend(val, 16);
-
- /* Adjust val for the final section location and GP value. If we
- are producing relocatable output, we don't want to do this for
- an external symbol. */
- if (! relocatable
- || (symbol->flags & BSF_SECTION_SYM) != 0)
- val += relocation - gp;
-
- if (reloc_entry->howto->partial_inplace)
- {
- bfd_put_16 (abfd,
- (extend & 0xf800) | ((val >> 11) & 0x1f) | (val & 0x7e0),
- (bfd_byte *) data + reloc_entry->address);
- bfd_put_16 (abfd,
- (insn & 0xffe0) | (val & 0x1f),
- (bfd_byte *) data + reloc_entry->address + 2);
- }
- else
- reloc_entry->addend = val;
-
- if (relocatable)
- reloc_entry->address += input_section->output_offset;
- else if (((val & ~0xffff) != ~0xffff) && ((val & ~0xffff) != 0))
- return bfd_reloc_overflow;
+ location = (bfd_byte *) data + reloc_entry->address;
+ _bfd_mips16_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE,
+ location);
+ ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
+ input_section, relocatable,
+ data, gp);
+ _bfd_mips16_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable,
+ location);
- return bfd_reloc_ok;
+ return ret;
}
\f
/* A mapping from BFD reloc types to MIPS ELF reloc types. */
/* There is no BFD reloc for R_MIPS_REL32. */
{ BFD_RELOC_64, R_MIPS_64 },
{ BFD_RELOC_CTOR, R_MIPS_64 },
- { BFD_RELOC_16_PCREL, R_MIPS_PC16 },
+ { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 },
{ BFD_RELOC_HI16_S, R_MIPS_HI16 },
{ BFD_RELOC_LO16, R_MIPS_LO16 },
{ BFD_RELOC_GPREL16, R_MIPS_GPREL16 },
{ BFD_RELOC_MIPS_REL16, R_MIPS_REL16 },
/* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */
{ BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT },
- { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }
+ { BFD_RELOC_MIPS_JALR, R_MIPS_JALR },
+ { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 },
+ { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 },
+ { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 },
+ { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 },
+ { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD },
+ { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM },
+ { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 },
+ { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 },
+ { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL },
+ { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 },
+ { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 },
+ { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 },
+ { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }
+};
+
+static const struct elf_reloc_map mips16_reloc_map[] =
+{
+ { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min },
+ { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min },
+ { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min },
+ { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min },
+ { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min },
+ { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min },
};
/* Given a BFD reloc type, return a howto structure. */
/* FIXME: We default to RELA here instead of choosing the right
relocation variant. */
reloc_howto_type *howto_table = mips_elf64_howto_table_rela;
+ reloc_howto_type *howto16_table = mips16_elf64_howto_table_rela;
for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map);
i++)
return &howto_table[(int) mips_reloc_map[i].elf_val];
}
+ for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map);
+ i++)
+ {
+ if (mips16_reloc_map[i].bfd_val == code)
+ return &howto16_table[(int) mips16_reloc_map[i].elf_val];
+ }
+
switch (code)
{
- case BFD_RELOC_MIPS16_JMP:
- return &elf_mips16_jump_howto;
- case BFD_RELOC_MIPS16_GPREL:
- return &elf_mips16_gprel_howto;
case BFD_RELOC_VTABLE_INHERIT:
return &elf_mips_gnu_vtinherit_howto;
case BFD_RELOC_VTABLE_ENTRY:
return &elf_mips_gnu_vtentry_howto;
- case BFD_RELOC_16_PCREL_S2:
- return &elf_mips_gnu_rela16_s2;
+ 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;
}
}
+static reloc_howto_type *
+bfd_elf64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < (sizeof (mips_elf64_howto_table_rela)
+ / sizeof (mips_elf64_howto_table_rela[0])); i++)
+ if (mips_elf64_howto_table_rela[i].name != NULL
+ && strcasecmp (mips_elf64_howto_table_rela[i].name, r_name) == 0)
+ return &mips_elf64_howto_table_rela[i];
+
+ for (i = 0;
+ i < (sizeof (mips16_elf64_howto_table_rela)
+ / sizeof (mips16_elf64_howto_table_rela[0]));
+ i++)
+ if (mips16_elf64_howto_table_rela[i].name != NULL
+ && strcasecmp (mips16_elf64_howto_table_rela[i].name, r_name) == 0)
+ return &mips16_elf64_howto_table_rela[i];
+
+ if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0)
+ return &elf_mips_gnu_vtinherit_howto;
+ if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0)
+ return &elf_mips_gnu_vtentry_howto;
+ if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0)
+ 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;
+}
+
/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
static reloc_howto_type *
{
switch (r_type)
{
- case R_MIPS16_26:
- return &elf_mips16_jump_howto;
- case R_MIPS16_GPREL:
- return &elf_mips16_gprel_howto;
case R_MIPS_GNU_VTINHERIT:
return &elf_mips_gnu_vtinherit_howto;
case R_MIPS_GNU_VTENTRY:
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)
+ {
+ if (rela_p)
+ return &mips16_elf64_howto_table_rela[r_type - R_MIPS16_min];
+ else
+ return &mips16_elf64_howto_table_rel[r_type - R_MIPS16_min];
+ }
BFD_ASSERT (r_type < (unsigned int) R_MIPS_max);
if (rela_p)
return &mips_elf64_howto_table_rela[r_type];
case RSS_GP0:
case RSS_LOC:
/* FIXME: I think these need to be handled using
- special howto structures. */
+ special howto structures. */
BFD_ASSERT (0);
break;
sizeof (Elf64_External_Sym),
sizeof (Elf64_External_Dyn),
sizeof (Elf_External_Note),
- 4, /* hash-table entry size */
- 3, /* internal relocations per external relocations */
+ 4, /* hash-table entry size */
+ 3, /* internal relocations per external relocations */
64, /* arch_size */
3, /* log_file_align */
ELFCLASS64,
EV_CURRENT,
bfd_elf64_write_out_phdrs,
bfd_elf64_write_shdrs_and_ehdr,
+ bfd_elf64_checksum_contents,
mips_elf64_write_relocs,
bfd_elf64_swap_symbol_in,
bfd_elf64_swap_symbol_out,
#define elf_backend_create_dynamic_sections \
_bfd_mips_elf_create_dynamic_sections
#define elf_backend_check_relocs _bfd_mips_elf_check_relocs
+#define elf_backend_merge_symbol_attribute \
+ _bfd_mips_elf_merge_symbol_attribute
+#define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag
#define elf_backend_adjust_dynamic_symbol \
_bfd_mips_elf_adjust_dynamic_symbol
#define elf_backend_always_size_sections \
_bfd_mips_elf_always_size_sections
#define elf_backend_size_dynamic_sections \
_bfd_mips_elf_size_dynamic_sections
+#define elf_backend_init_index_section _bfd_elf_init_1_index_section
#define elf_backend_relocate_section _bfd_mips_elf_relocate_section
#define elf_backend_finish_dynamic_symbol \
_bfd_mips_elf_finish_dynamic_symbol
#define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook
#define elf_backend_copy_indirect_symbol \
_bfd_mips_elf_copy_indirect_symbol
-#define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol
#define elf_backend_ignore_discarded_relocs \
_bfd_mips_elf_ignore_discarded_relocs
#define elf_backend_mips_irix_compat elf64_mips_irix_compat
#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 elf_backend_write_section _bfd_mips_elf_write_section
MIPS-specific function only applies to IRIX5, which had no 64-bit
ABI. */
#define bfd_elf64_find_nearest_line _bfd_mips_elf_find_nearest_line
+#define bfd_elf64_find_inliner_info _bfd_mips_elf_find_inliner_info
#define bfd_elf64_new_section_hook _bfd_mips_elf_new_section_hook
#define bfd_elf64_set_section_contents _bfd_mips_elf_set_section_contents
#define bfd_elf64_bfd_get_relocated_section_contents \
_bfd_elf_mips_get_relocated_section_contents
+#define bfd_elf64_mkobject _bfd_mips_elf_mkobject
#define bfd_elf64_bfd_link_hash_table_create \
_bfd_mips_elf_link_hash_table_create
#define bfd_elf64_bfd_final_link _bfd_mips_elf_final_link
#define TARGET_BIG_SYM bfd_elf64_bigmips_vec
#define TARGET_BIG_NAME "elf64-bigmips"
-/* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses
- a value of 0x1000, and we are compatible.
- FIXME: How does this affect NewABI? */
-#define ELF_MAXPAGESIZE 0x1000
+#define ELF_MAXPAGESIZE 0x10000
+#define ELF_COMMONPAGESIZE 0x1000
#include "elf64-target.h"
#undef TARGET_BIG_NAME
#undef ELF_MAXPAGESIZE
+#undef ELF_COMMONPAGESIZE
-#define TARGET_LITTLE_SYM bfd_elf64_tradlittlemips_vec
-#define TARGET_LITTLE_NAME "elf64-tradlittlemips"
-#define TARGET_BIG_SYM bfd_elf64_tradbigmips_vec
-#define TARGET_BIG_NAME "elf64-tradbigmips"
+#define TARGET_LITTLE_SYM bfd_elf64_tradlittlemips_vec
+#define TARGET_LITTLE_NAME "elf64-tradlittlemips"
+#define TARGET_BIG_SYM bfd_elf64_tradbigmips_vec
+#define TARGET_BIG_NAME "elf64-tradbigmips"
-/* The SVR4 MIPS ABI says that this should be 0x10000, and Linux uses
- page sizes of up to that limit, so we need to respect it. */
#define ELF_MAXPAGESIZE 0x10000
+#define ELF_COMMONPAGESIZE 0x1000
#define elf64_bed elf64_tradbed
/* Include the target file again for this target. */