/* MIPS-specific support for 64-bit ELF
- Copyright 1996 Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001
+ 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.
The MIPS 64-bit ELF ABI uses an unusual reloc format. This file
overrides the usual ELF reloc handling, and handles reading and
- writing the relocations here. */
+ writing the relocations here.
+
+ The MIPS 64-bit ELF ABI also uses an unusual archive map format. */
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
+#include "aout/ar.h"
#include "bfdlink.h"
#include "genlink.h"
#include "elf-bfd.h"
#include "coff/ecoff.h"
/* The 64 bit versions of the mdebug data structures are in alpha.h. */
#include "coff/alpha.h"
-#define ECOFF_64
+#define ECOFF_SIGNED_64
#include "ecoffswap.h"
static void mips_elf64_swap_reloc_in
static void mips_elf64_swap_reloca_in
PARAMS ((bfd *, const Elf64_Mips_External_Rela *,
Elf64_Mips_Internal_Rela *));
-#if 0
static void mips_elf64_swap_reloc_out
PARAMS ((bfd *, const Elf64_Mips_Internal_Rel *,
Elf64_Mips_External_Rel *));
-#endif
static void mips_elf64_swap_reloca_out
PARAMS ((bfd *, const Elf64_Mips_Internal_Rela *,
Elf64_Mips_External_Rela *));
+static void mips_elf64_be_swap_reloc_in
+ PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rel *));
+static void mips_elf64_be_swap_reloc_out
+ PARAMS ((bfd *, const Elf_Internal_Rel *, bfd_byte *));
+static void mips_elf64_be_swap_reloca_in
+ PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *));
+static void mips_elf64_be_swap_reloca_out
+ PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *));
static reloc_howto_type *mips_elf64_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
static long mips_elf64_get_reloc_upper_bound PARAMS ((bfd *, asection *));
static boolean mips_elf64_slurp_one_reloc_table
PARAMS ((bfd *, asection *, asymbol **, const Elf_Internal_Shdr *));
static boolean mips_elf64_slurp_reloc_table
- PARAMS ((bfd *, asection *, asymbol **));
+ PARAMS ((bfd *, asection *, asymbol **, boolean));
static void mips_elf64_write_relocs PARAMS ((bfd *, asection *, PTR));
-static boolean mips_elf64_section_from_shdr
- PARAMS ((bfd *, Elf_Internal_Shdr *, char *));
-static boolean mips_elf64_section_processing
- PARAMS ((bfd *, Elf_Internal_Shdr *));
-
-/* The relocation types. */
-
-enum mips_elf64_reloc_type
-{
- R_MIPS_NONE = 0,
- R_MIPS_16 = 1,
- R_MIPS_32 = 2,
- R_MIPS_ADD = 2,
- R_MIPS_REL32 = 3,
- R_MIPS_REL = 3,
- R_MIPS_26 = 4,
- R_MIPS_HI16 = 5,
- R_MIPS_LO16 = 6,
- R_MIPS_GPREL16 = 7,
- R_MIPS_GPREL = 7,
- R_MIPS_LITERAL = 8,
- R_MIPS_GOT16 = 9,
- R_MIPS_GOT = 9,
- R_MIPS_PC16 = 10,
- R_MIPS_CALL16 = 11,
- R_MIPS_CALL = 11,
- R_MIPS_GPREL32 = 12,
- R_MIPS_SHIFT5 = 16,
- R_MIPS_SHIFT6 = 17,
- R_MIPS_64 = 18,
- R_MIPS_GOT_DISP = 19,
- R_MIPS_GOT_PAGE = 20,
- R_MIPS_GOT_OFST = 21,
- R_MIPS_GOT_HI16 = 22,
- R_MIPS_GOT_LO16 = 23,
- R_MIPS_SUB = 24,
- R_MIPS_INSERT_A = 25,
- R_MIPS_INSERT_B = 26,
- R_MIPS_DELETE = 27,
- R_MIPS_HIGHER = 28,
- R_MIPS_HIGHEST = 29,
- R_MIPS_CALL_HI16 = 30,
- R_MIPS_CALL_LO16 = 31,
- R_MIPS_SCN_DISP = 32,
- R_MIPS_REL16 = 33,
- R_MIPS_ADD_IMMEDIATE = 34,
- R_MIPS_PJUMP = 35,
- R_MIPS_RELGOT = 36
-};
+static boolean mips_elf64_slurp_armap PARAMS ((bfd *));
+static boolean mips_elf64_write_armap
+ PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
from smaller values. Start with zero, widen, *then* decrement. */
#define MINUS_ONE (((bfd_vma)0) - 1)
+/* The number of local .got entries we reserve. */
+#define MIPS_RESERVED_GOTNO (2)
+
/* The relocation table used for SHT_REL sections. */
+#define UNUSED_RELOC(num) { num, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+
static reloc_howto_type mips_elf64_howto_table_rel[] =
{
/* No relocation. */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_32", /* name */
true, /* partial_inplace */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_REL32", /* name */
true, /* partial_inplace */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
- /* 26 bit branch address. */
+ /* 26 bit jump address. */
HOWTO (R_MIPS_26, /* type */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
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. */
+ /* This needs complex overflow
+ detection, because the upper 36
+ bits must match the PC + 4. */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_26", /* name */
true, /* partial_inplace */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
- { 13 },
- { 14 },
- { 15 },
+ UNUSED_RELOC (13),
+ UNUSED_RELOC (14),
+ UNUSED_RELOC (15),
/* A 5 bit shift field. */
HOWTO (R_MIPS_SHIFT5, /* type */
64, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_64", /* name */
true, /* partial_inplace */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_GOT_DISP", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
false), /* pcrel_offset */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_GOT_PAGE", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
false), /* pcrel_offset */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_GOT_OFST", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
false), /* pcrel_offset */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_GOT_HI16", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
false), /* pcrel_offset */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_GOT_LO16", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
false), /* pcrel_offset */
64, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_SUB", /* name */
true, /* partial_inplace */
/* FIXME: Not handled correctly. */
HOWTO (R_MIPS_INSERT_A, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_INSERT_A", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* Insert the addend as an instruction, and change all relocations
/* FIXME: Not handled correctly. */
HOWTO (R_MIPS_INSERT_B, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_INSERT_B", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* Delete a 32 bit instruction. */
/* FIXME: Not handled correctly. */
HOWTO (R_MIPS_DELETE, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_DELETE", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* Get the higher value of a 64 bit addend. */
- /* FIXME: Not handled correctly. */
HOWTO (R_MIPS_HIGHER, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_CALL_HI16", /* name */
true, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
false), /* pcrel_offset */
/* Low 16 bits of displacement in global offset table. */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_CALL_LO16", /* name */
true, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
false), /* pcrel_offset */
/* I'm not sure what the remaining relocs are, but they are defined
HOWTO (R_MIPS_SCN_DISP, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_SCN_DISP", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
false), /* pcrel_offset */
HOWTO (R_MIPS_REL16, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
+ complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_REL16", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
+ true, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
false), /* pcrel_offset */
- HOWTO (R_MIPS_ADD_IMMEDIATE, /* type */
- 0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_MIPS_ADD_IMMEDIATE", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
+ /* These two are obsolete. */
+ EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
+ EMPTY_HOWTO (R_MIPS_PJUMP),
- HOWTO (R_MIPS_PJUMP, /* type */
+ HOWTO (R_MIPS_RELGOT, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_MIPS_PJUMP", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
+ "R_MIPS_RELGOT", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
false), /* pcrel_offset */
- HOWTO (R_MIPS_RELGOT, /* type */
+ /* Protected jump conversion. This is an optimization hint. No
+ relocation is required for correctness. */
+ HOWTO (R_MIPS_JALR, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_MIPS_RELGOT", /* name */
+ "R_MIPS_JALR", /* name */
false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false) /* pcrel_offset */
+ false), /* pcrel_offset */
};
/* The relocation table used for SHT_RELA sections. */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_16", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_32", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_REL32", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
- /* 26 bit branch address. */
+ /* 26 bit jump address. */
HOWTO (R_MIPS_26, /* type */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
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. */
+ /* This needs complex overflow
+ detection, because the upper 36
+ bits must match the PC + 4. */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_26", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x3ffffff, /* dst_mask */
false), /* pcrel_offset */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_HI16", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_LO16", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_MIPS_GOT16", /* name */
false, /* partial_inplace */
0, /* src_mask */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_PC16", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
0xffffffff, /* dst_mask */
false), /* pcrel_offset */
- { 13 },
- { 14 },
- { 15 },
+ UNUSED_RELOC (13),
+ UNUSED_RELOC (14),
+ UNUSED_RELOC (15),
/* A 5 bit shift field. */
HOWTO (R_MIPS_SHIFT5, /* type */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_SHIFT5", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x000007c0, /* dst_mask */
false), /* pcrel_offset */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_SHIFT6", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x000007c4, /* dst_mask */
false), /* pcrel_offset */
64, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_64", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
MINUS_ONE, /* dst_mask */
false), /* pcrel_offset */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_GOT_DISP", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x0000ffff, /* dst_mask */
false), /* pcrel_offset */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_GOT_PAGE", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x0000ffff, /* dst_mask */
false), /* pcrel_offset */
16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_GOT_OFST", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x0000ffff, /* dst_mask */
false), /* pcrel_offset */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_GOT_HI16", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x0000ffff, /* dst_mask */
false), /* pcrel_offset */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_GOT_LO16", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x0000ffff, /* dst_mask */
false), /* pcrel_offset */
64, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_SUB", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
MINUS_ONE, /* dst_mask */
false), /* pcrel_offset */
/* FIXME: Not handled correctly. */
HOWTO (R_MIPS_INSERT_A, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
"R_MIPS_INSERT_A", /* name */
false, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
+ 0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* Insert the addend as an instruction, and change all relocations
/* FIXME: Not handled correctly. */
HOWTO (R_MIPS_INSERT_B, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
"R_MIPS_INSERT_B", /* name */
false, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
+ 0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* Delete a 32 bit instruction. */
/* FIXME: Not handled correctly. */
HOWTO (R_MIPS_DELETE, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
"R_MIPS_DELETE", /* name */
false, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
+ 0xffffffff, /* dst_mask */
false), /* pcrel_offset */
/* Get the higher value of a 64 bit addend. */
- /* FIXME: Not handled correctly. */
HOWTO (R_MIPS_HIGHER, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_MIPS_HIGHER", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
/* Get the highest value of a 64 bit addend. */
- /* FIXME: Not handled correctly. */
HOWTO (R_MIPS_HIGHEST, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_MIPS_HIGHEST", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_CALL_HI16", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
- 0x0000ffff, /* dst_mask */
+ 0xffff, /* dst_mask */
false), /* pcrel_offset */
/* Low 16 bits of displacement in global offset table. */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_CALL_LO16", /* name */
- true, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
- 0x0000ffff, /* dst_mask */
+ 0xffff, /* dst_mask */
false), /* pcrel_offset */
/* I'm not sure what the remaining relocs are, but they are defined
HOWTO (R_MIPS_SCN_DISP, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
"R_MIPS_SCN_DISP", /* name */
false, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
+ 0xffffffff, /* dst_mask */
false), /* pcrel_offset */
HOWTO (R_MIPS_REL16, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
+ complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_MIPS_REL16", /* name */
false, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
+ 0xffff, /* dst_mask */
false), /* pcrel_offset */
- HOWTO (R_MIPS_ADD_IMMEDIATE, /* type */
- 0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_MIPS_ADD_IMMEDIATE", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
+ /* These two are obsolete. */
+ EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
+ EMPTY_HOWTO (R_MIPS_PJUMP),
- HOWTO (R_MIPS_PJUMP, /* type */
+ HOWTO (R_MIPS_RELGOT, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_MIPS_PJUMP", /* name */
+ "R_MIPS_RELGOT", /* name */
false, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
+ 0xffffffff, /* dst_mask */
false), /* pcrel_offset */
- HOWTO (R_MIPS_RELGOT, /* type */
+ /* Protected jump conversion. This is an optimization hint. No
+ relocation is required for correctness. */
+ HOWTO (R_MIPS_JALR, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_MIPS_RELGOT", /* name */
+ "R_MIPS_JALR", /* name */
false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false) /* pcrel_offset */
+ false), /* pcrel_offset */
};
/* Swap in a MIPS 64-bit Rel reloc. */
const Elf64_Mips_External_Rel *src;
Elf64_Mips_Internal_Rel *dst;
{
- dst->r_offset = bfd_h_get_64 (abfd, (bfd_byte *) src->r_offset);
- dst->r_sym = bfd_h_get_32 (abfd, (bfd_byte *) src->r_sym);
- dst->r_ssym = bfd_h_get_8 (abfd, (bfd_byte *) src->r_ssym);
- dst->r_type3 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type3);
- dst->r_type2 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type2);
- dst->r_type = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type);
+ dst->r_offset = H_GET_64 (abfd, src->r_offset);
+ dst->r_sym = H_GET_32 (abfd, src->r_sym);
+ dst->r_ssym = H_GET_8 (abfd, src->r_ssym);
+ dst->r_type3 = H_GET_8 (abfd, src->r_type3);
+ dst->r_type2 = H_GET_8 (abfd, src->r_type2);
+ dst->r_type = H_GET_8 (abfd, src->r_type);
}
/* Swap in a MIPS 64-bit Rela reloc. */
const Elf64_Mips_External_Rela *src;
Elf64_Mips_Internal_Rela *dst;
{
- dst->r_offset = bfd_h_get_64 (abfd, (bfd_byte *) src->r_offset);
- dst->r_sym = bfd_h_get_32 (abfd, (bfd_byte *) src->r_sym);
- dst->r_ssym = bfd_h_get_8 (abfd, (bfd_byte *) src->r_ssym);
- dst->r_type3 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type3);
- dst->r_type2 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type2);
- dst->r_type = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type);
- dst->r_addend = bfd_h_get_64 (abfd, (bfd_byte *) src->r_addend);
+ dst->r_offset = H_GET_64 (abfd, src->r_offset);
+ dst->r_sym = H_GET_32 (abfd, src->r_sym);
+ dst->r_ssym = H_GET_8 (abfd, src->r_ssym);
+ dst->r_type3 = H_GET_8 (abfd, src->r_type3);
+ dst->r_type2 = H_GET_8 (abfd, src->r_type2);
+ dst->r_type = H_GET_8 (abfd, src->r_type);
+ dst->r_addend = H_GET_S64 (abfd, src->r_addend);
}
-#if 0
-
-/* This is not currently used. */
-
/* Swap out a MIPS 64-bit Rel reloc. */
static void
const Elf64_Mips_Internal_Rel *src;
Elf64_Mips_External_Rel *dst;
{
- bfd_h_put_64 (abfd, src->r_offset, (bfd_byte *) dst->r_offset);
- bfd_h_put_32 (abfd, src->r_sym, (bfd_byte *) dst->r_sym);
- bfd_h_put_8 (abfd, src->r_ssym, (bfd_byte *) dst->r_ssym);
- bfd_h_put_8 (abfd, src->r_type3, (bfd_byte *) dst->r_type3);
- bfd_h_put_8 (abfd, src->r_type2, (bfd_byte *) dst->r_type2);
- bfd_h_put_8 (abfd, src->r_type, (bfd_byte *) dst->r_type);
+ H_PUT_64 (abfd, src->r_offset, dst->r_offset);
+ H_PUT_32 (abfd, src->r_sym, dst->r_sym);
+ H_PUT_8 (abfd, src->r_ssym, dst->r_ssym);
+ H_PUT_8 (abfd, src->r_type3, dst->r_type3);
+ H_PUT_8 (abfd, src->r_type2, dst->r_type2);
+ H_PUT_8 (abfd, src->r_type, dst->r_type);
}
-#endif /* 0 */
-
/* Swap out a MIPS 64-bit Rela reloc. */
static void
const Elf64_Mips_Internal_Rela *src;
Elf64_Mips_External_Rela *dst;
{
- bfd_h_put_64 (abfd, src->r_offset, (bfd_byte *) dst->r_offset);
- bfd_h_put_32 (abfd, src->r_sym, (bfd_byte *) dst->r_sym);
- bfd_h_put_8 (abfd, src->r_ssym, (bfd_byte *) dst->r_ssym);
- bfd_h_put_8 (abfd, src->r_type3, (bfd_byte *) dst->r_type3);
- bfd_h_put_8 (abfd, src->r_type2, (bfd_byte *) dst->r_type2);
- bfd_h_put_8 (abfd, src->r_type, (bfd_byte *) dst->r_type);
- bfd_h_put_64 (abfd, src->r_offset, (bfd_byte *) dst->r_offset);
+ H_PUT_64 (abfd, src->r_offset, dst->r_offset);
+ H_PUT_32 (abfd, src->r_sym, dst->r_sym);
+ H_PUT_8 (abfd, src->r_ssym, dst->r_ssym);
+ H_PUT_8 (abfd, src->r_type3, dst->r_type3);
+ H_PUT_8 (abfd, src->r_type2, dst->r_type2);
+ H_PUT_8 (abfd, src->r_type, dst->r_type);
+ H_PUT_64 (abfd, src->r_addend, dst->r_addend);
+}
+
+/* Swap in a MIPS 64-bit Rel reloc. */
+
+static void
+mips_elf64_be_swap_reloc_in (abfd, src, dst)
+ bfd *abfd;
+ const bfd_byte *src;
+ Elf_Internal_Rel *dst;
+{
+ Elf64_Mips_Internal_Rel mirel;
+
+ mips_elf64_swap_reloc_in (abfd,
+ (const Elf64_Mips_External_Rel *) src,
+ &mirel);
+
+ dst[0].r_offset = mirel.r_offset;
+ dst[0].r_info = ELF32_R_INFO (mirel.r_sym, mirel.r_type);
+ dst[1].r_offset = mirel.r_offset;
+ dst[1].r_info = ELF32_R_INFO (mirel.r_ssym, mirel.r_type2);
+ dst[2].r_offset = mirel.r_offset;
+ dst[2].r_info = ELF32_R_INFO (STN_UNDEF, mirel.r_type3);
+}
+
+/* Swap in a MIPS 64-bit Rela reloc. */
+
+static void
+mips_elf64_be_swap_reloca_in (abfd, src, dst)
+ bfd *abfd;
+ const bfd_byte *src;
+ Elf_Internal_Rela *dst;
+{
+ Elf64_Mips_Internal_Rela mirela;
+
+ mips_elf64_swap_reloca_in (abfd,
+ (const Elf64_Mips_External_Rela *) src,
+ &mirela);
+
+ dst[0].r_offset = mirela.r_offset;
+ dst[0].r_info = ELF32_R_INFO (mirela.r_sym, mirela.r_type);
+ dst[0].r_addend = mirela.r_addend;
+ dst[1].r_offset = mirela.r_offset;
+ dst[1].r_info = ELF32_R_INFO (mirela.r_ssym, mirela.r_type2);
+ dst[1].r_addend = 0;
+ dst[2].r_offset = mirela.r_offset;
+ dst[2].r_info = ELF32_R_INFO (STN_UNDEF, mirela.r_type3);
+ dst[2].r_addend = 0;
+}
+
+/* Swap out a MIPS 64-bit Rel reloc. */
+
+static void
+mips_elf64_be_swap_reloc_out (abfd, src, dst)
+ bfd *abfd;
+ const Elf_Internal_Rel *src;
+ bfd_byte *dst;
+{
+ Elf64_Mips_Internal_Rel mirel;
+
+ mirel.r_offset = src->r_offset;
+ mirel.r_type = ELF32_R_TYPE (src->r_info);
+ mirel.r_sym = ELF32_R_SYM (src->r_info);
+ mirel.r_type2 = R_MIPS_NONE;
+ mirel.r_ssym = STN_UNDEF;
+ mirel.r_type3 = R_MIPS_NONE;
+
+ mips_elf64_swap_reloc_out (abfd, &mirel,
+ (Elf64_Mips_External_Rel *) dst);
+}
+
+/* Swap out a MIPS 64-bit Rela reloc. */
+
+static void
+mips_elf64_be_swap_reloca_out (abfd, src, dst)
+ bfd *abfd;
+ const Elf_Internal_Rela *src;
+ bfd_byte *dst;
+{
+ Elf64_Mips_Internal_Rela mirela;
+
+ mirela.r_offset = src->r_offset;
+ mirela.r_type = ELF32_R_TYPE (src->r_info);
+ mirela.r_addend = src->r_addend;
+ mirela.r_sym = ELF32_R_SYM (src->r_info);
+ mirela.r_type2 = R_MIPS_NONE;
+ mirela.r_ssym = STN_UNDEF;
+ mirela.r_type3 = R_MIPS_NONE;
+
+ mips_elf64_swap_reloca_out (abfd, &mirela,
+ (Elf64_Mips_External_Rela *) dst);
}
/* A mapping from BFD reloc types to MIPS ELF reloc types. */
struct elf_reloc_map
{
bfd_reloc_code_real_type bfd_reloc_val;
- enum mips_elf64_reloc_type elf_reloc_val;
+ enum elf_mips_reloc_type elf_reloc_val;
};
-static CONST struct elf_reloc_map mips_reloc_map[] =
+static const struct elf_reloc_map mips_reloc_map[] =
{
{ BFD_RELOC_NONE, R_MIPS_NONE, },
{ BFD_RELOC_16, R_MIPS_16 },
{ BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 },
{ BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 },
{ BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 },
- { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }
+ { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 },
+ { BFD_RELOC_MIPS_SUB, R_MIPS_SUB },
+ { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE },
+ { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST },
+ { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }
};
/* Given a BFD reloc type, return a howto structure. */
static reloc_howto_type *
mips_elf64_reloc_type_lookup (abfd, code)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
unsigned int i;
static long
mips_elf64_get_reloc_upper_bound (abfd, sec)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
{
return (sec->reloc_count * 3 + 1) * sizeof (arelent *);
allocated = (PTR) bfd_malloc (rel_hdr->sh_size);
if (allocated == NULL)
- goto error_return;
+ return false;
if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0
- || (bfd_read (allocated, 1, rel_hdr->sh_size, abfd) != rel_hdr->sh_size))
+ || (bfd_bread (allocated, rel_hdr->sh_size, abfd) != rel_hdr->sh_size))
goto error_return;
native_relocs = (bfd_byte *) allocated;
used_ssym = false;
for (ir = 0; ir < 3; ir++)
{
- enum mips_elf64_reloc_type type;
+ enum elf_mips_reloc_type type;
switch (ir)
{
default:
abort ();
case 0:
- type = (enum mips_elf64_reloc_type) rela.r_type;
+ type = (enum elf_mips_reloc_type) rela.r_type;
break;
case 1:
- type = (enum mips_elf64_reloc_type) rela.r_type2;
+ type = (enum elf_mips_reloc_type) rela.r_type2;
break;
case 2:
- type = (enum mips_elf64_reloc_type) rela.r_type3;
+ type = (enum elf_mips_reloc_type) rela.r_type3;
break;
}
associated with a single data section. */
static boolean
-mips_elf64_slurp_reloc_table (abfd, asect, symbols)
+mips_elf64_slurp_reloc_table (abfd, asect, symbols, dynamic)
bfd *abfd;
asection *asect;
asymbol **symbols;
+ boolean dynamic;
{
+ bfd_size_type amt;
struct bfd_elf_section_data * const d = elf_section_data (asect);
+ if (dynamic)
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return false;
+ }
+
if (asect->relocation != NULL
|| (asect->flags & SEC_RELOC) == 0
|| asect->reloc_count == 0)
return true;
/* Allocate space for 3 arelent structures for each Rel structure. */
- asect->relocation = ((arelent *)
- bfd_alloc (abfd,
- asect->reloc_count * 3 * sizeof (arelent)));
+ amt = asect->reloc_count;
+ amt *= 3 * sizeof (arelent);
+ asect->relocation = (arelent *) bfd_alloc (abfd, amt);
if (asect->relocation == NULL)
return false;
}
BFD_ASSERT (ext_rela - (Elf64_Mips_External_Rela *) rela_hdr->contents
- == count);
+ == (int) count);
}
\f
-/* The .MIPS.options section holds register information in an
- Elf64_Reginfo structure. These routines swap them in and out.
- They are globally visible because they are used outside of BFD. */
+/* Irix 6 defines a brand new archive map format, so that they can
+ have archives more than 4 GB in size. */
-void
-bfd_mips_elf64_swap_reginfo_in (abfd, ex, in)
- bfd *abfd;
- const Elf64_External_RegInfo *ex;
- Elf64_Internal_RegInfo *in;
-{
- in->ri_gprmask = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_gprmask);
- in->ri_pad = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_pad);
- in->ri_cprmask[0] = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_cprmask[0]);
- in->ri_cprmask[1] = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_cprmask[1]);
- in->ri_cprmask[2] = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_cprmask[2]);
- in->ri_cprmask[3] = bfd_h_get_32 (abfd, (bfd_byte *) ex->ri_cprmask[3]);
- in->ri_gp_value = bfd_h_get_64 (abfd, (bfd_byte *) ex->ri_gp_value);
-}
+/* Read an Irix 6 armap. */
-void
-bfd_mips_elf64_swap_reginfo_out (abfd, in, ex)
+static boolean
+mips_elf64_slurp_armap (abfd)
bfd *abfd;
- const Elf64_Internal_RegInfo *in;
- Elf64_External_RegInfo *ex;
{
- bfd_h_put_32 (abfd, (bfd_vma) in->ri_gprmask,
- (bfd_byte *) ex->ri_gprmask);
- bfd_h_put_32 (abfd, (bfd_vma) in->ri_pad,
- (bfd_byte *) ex->ri_pad);
- bfd_h_put_32 (abfd, (bfd_vma) in->ri_cprmask[0],
- (bfd_byte *) ex->ri_cprmask[0]);
- bfd_h_put_32 (abfd, (bfd_vma) in->ri_cprmask[1],
- (bfd_byte *) ex->ri_cprmask[1]);
- bfd_h_put_32 (abfd, (bfd_vma) in->ri_cprmask[2],
- (bfd_byte *) ex->ri_cprmask[2]);
- bfd_h_put_32 (abfd, (bfd_vma) in->ri_cprmask[3],
- (bfd_byte *) ex->ri_cprmask[3]);
- bfd_h_put_64 (abfd, (bfd_vma) in->ri_gp_value,
- (bfd_byte *) ex->ri_gp_value);
-}
+ struct artdata *ardata = bfd_ardata (abfd);
+ char nextname[17];
+ file_ptr arhdrpos;
+ bfd_size_type i, parsed_size, nsymz, stringsize, carsym_size, ptrsize;
+ struct areltdata *mapdata;
+ bfd_byte int_buf[8];
+ char *stringbase;
+ bfd_byte *raw_armap = NULL;
+ carsym *carsyms;
+ bfd_size_type amt;
+
+ ardata->symdefs = NULL;
+
+ /* Get the name of the first element. */
+ arhdrpos = bfd_tell (abfd);
+ i = bfd_bread ((PTR) nextname, (bfd_size_type) 16, abfd);
+ if (i == 0)
+ return true;
+ if (i != 16)
+ return false;
-/* Handle a 64-bit MIPS ELF specific section. */
+ if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0)
+ return false;
-static boolean
-mips_elf64_section_from_shdr (abfd, hdr, name)
- bfd *abfd;
- Elf_Internal_Shdr *hdr;
- char *name;
-{
- if (! _bfd_mips_elf_section_from_shdr (abfd, hdr, name))
+ /* Archives with traditional armaps are still permitted. */
+ if (strncmp (nextname, "/ ", 16) == 0)
+ return bfd_slurp_armap (abfd);
+
+ if (strncmp (nextname, "/SYM64/ ", 16) != 0)
+ {
+ bfd_has_map (abfd) = false;
+ return true;
+ }
+
+ mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd);
+ if (mapdata == NULL)
return false;
+ parsed_size = mapdata->parsed_size;
+ bfd_release (abfd, (PTR) mapdata);
- /* For a SHT_MIPS_OPTIONS section, look for a ODK_REGINFO entry, and
- set the gp value based on what we find. We may see both
- SHT_MIPS_REGINFO and SHT_MIPS_OPTIONS/ODK_REGINFO; in that case,
- they should agree. */
- if (hdr->sh_type == SHT_MIPS_OPTIONS)
+ if (bfd_bread (int_buf, (bfd_size_type) 8, abfd) != 8)
{
- bfd_byte *contents, *l, *lend;
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_malformed_archive);
+ return false;
+ }
- contents = (bfd_byte *) bfd_malloc (hdr->sh_size);
- if (contents == NULL)
- return false;
- if (! bfd_get_section_contents (abfd, hdr->bfd_section, contents,
- (file_ptr) 0, hdr->sh_size))
- {
- free (contents);
- return false;
- }
- l = contents;
- lend = contents + hdr->sh_size;
- while (l + sizeof (Elf_External_Options) <= lend)
- {
- Elf_Internal_Options intopt;
+ nsymz = bfd_getb64 (int_buf);
+ stringsize = parsed_size - 8 * nsymz - 8;
- bfd_mips_elf_swap_options_in (abfd, (Elf_External_Options *) l,
- &intopt);
- if (intopt.kind == ODK_REGINFO)
- {
- Elf64_Internal_RegInfo intreg;
-
- bfd_mips_elf64_swap_reginfo_in
- (abfd,
- ((Elf64_External_RegInfo *)
- (l + sizeof (Elf_External_Options))),
- &intreg);
- elf_gp (abfd) = intreg.ri_gp_value;
- }
- l += intopt.size;
- }
- free (contents);
+ carsym_size = nsymz * sizeof (carsym);
+ ptrsize = 8 * nsymz;
+
+ amt = carsym_size + stringsize + 1;
+ ardata->symdefs = (carsym *) bfd_zalloc (abfd, amt);
+ if (ardata->symdefs == NULL)
+ return false;
+ carsyms = ardata->symdefs;
+ stringbase = ((char *) ardata->symdefs) + carsym_size;
+
+ raw_armap = (bfd_byte *) bfd_alloc (abfd, ptrsize);
+ if (raw_armap == NULL)
+ goto error_return;
+
+ if (bfd_bread (raw_armap, ptrsize, abfd) != ptrsize
+ || bfd_bread (stringbase, stringsize, abfd) != stringsize)
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_malformed_archive);
+ goto error_return;
+ }
+
+ for (i = 0; i < nsymz; i++)
+ {
+ carsyms->file_offset = bfd_getb64 (raw_armap + i * 8);
+ carsyms->name = stringbase;
+ stringbase += strlen (stringbase) + 1;
+ ++carsyms;
}
+ *stringbase = '\0';
+
+ ardata->symdef_count = nsymz;
+ ardata->first_file_filepos = arhdrpos + sizeof (struct ar_hdr) + parsed_size;
+
+ bfd_has_map (abfd) = true;
+ bfd_release (abfd, raw_armap);
return true;
+
+ error_return:
+ if (raw_armap != NULL)
+ bfd_release (abfd, raw_armap);
+ if (ardata->symdefs != NULL)
+ bfd_release (abfd, ardata->symdefs);
+ return false;
}
-/* Work over a section just before writing it out. We update the GP
- value in the SHT_MIPS_OPTIONS section based on the value we are
- using. */
+/* Write out an Irix 6 armap. The Irix 6 tools are supposed to be
+ able to handle ordinary ELF armaps, but at least on Irix 6.2 the
+ linker crashes. */
static boolean
-mips_elf64_section_processing (abfd, hdr)
- bfd *abfd;
- Elf_Internal_Shdr *hdr;
+mips_elf64_write_armap (arch, elength, map, symbol_count, stridx)
+ bfd *arch;
+ unsigned int elength;
+ struct orl *map;
+ unsigned int symbol_count;
+ int stridx;
{
- if (hdr->sh_type == SHT_MIPS_OPTIONS
- && hdr->bfd_section != NULL
- && elf_section_data (hdr->bfd_section) != NULL
- && elf_section_data (hdr->bfd_section)->tdata != NULL)
+ unsigned int ranlibsize = (symbol_count * 8) + 8;
+ unsigned int stringsize = stridx;
+ unsigned int mapsize = stringsize + ranlibsize;
+ file_ptr archive_member_file_ptr;
+ bfd *current = arch->archive_head;
+ unsigned int count;
+ struct ar_hdr hdr;
+ unsigned int i;
+ int padding;
+ bfd_byte buf[8];
+
+ padding = BFD_ALIGN (mapsize, 8) - mapsize;
+ mapsize += padding;
+
+ /* work out where the first object file will go in the archive */
+ archive_member_file_ptr = (mapsize
+ + elength
+ + sizeof (struct ar_hdr)
+ + SARMAG);
+
+ memset ((char *) (&hdr), 0, sizeof (struct ar_hdr));
+ strcpy (hdr.ar_name, "/SYM64/");
+ sprintf (hdr.ar_size, "%-10d", (int) mapsize);
+ sprintf (hdr.ar_date, "%ld", (long) time (NULL));
+ /* This, at least, is what Intel coff sets the values to.: */
+ sprintf ((hdr.ar_uid), "%d", 0);
+ sprintf ((hdr.ar_gid), "%d", 0);
+ sprintf ((hdr.ar_mode), "%-7o", (unsigned) 0);
+ strncpy (hdr.ar_fmag, ARFMAG, 2);
+
+ for (i = 0; i < sizeof (struct ar_hdr); i++)
+ if (((char *) (&hdr))[i] == '\0')
+ (((char *) (&hdr))[i]) = ' ';
+
+ /* Write the ar header for this item and the number of symbols */
+
+ if (bfd_bwrite ((PTR) &hdr, (bfd_size_type) sizeof (struct ar_hdr), arch)
+ != sizeof (struct ar_hdr))
+ return false;
+
+ bfd_putb64 ((bfd_vma) symbol_count, buf);
+ if (bfd_bwrite (buf, (bfd_size_type) 8, arch) != 8)
+ return false;
+
+ /* Two passes, first write the file offsets for each symbol -
+ remembering that each offset is on a two byte boundary. */
+
+ /* Write out the file offset for the file associated with each
+ symbol, and remember to keep the offsets padded out. */
+
+ current = arch->archive_head;
+ count = 0;
+ while (current != (bfd *) NULL && count < symbol_count)
{
- bfd_byte *contents, *l, *lend;
-
- /* We stored the section contents in the elf_section_data tdata
- field in the set_section_contents routine. We save the
- section contents so that we don't have to read them again.
- At this point we know that elf_gp is set, so we can look
- through the section contents to see if there is an
- ODK_REGINFO structure. */
-
- contents = (bfd_byte *) elf_section_data (hdr->bfd_section)->tdata;
- l = contents;
- lend = contents + hdr->sh_size;
- while (l + sizeof (Elf_External_Options) <= lend)
- {
- Elf_Internal_Options intopt;
+ /* For each symbol which is used defined in this object, write out
+ the object file's address in the archive */
- bfd_mips_elf_swap_options_in (abfd, (Elf_External_Options *) l,
- &intopt);
- if (intopt.kind == ODK_REGINFO)
- {
- bfd_byte buf[8];
-
- if (bfd_seek (abfd,
- (hdr->sh_offset
- + (l - contents)
- + sizeof (Elf_External_Options)
- + (sizeof (Elf64_External_RegInfo) - 8)),
- SEEK_SET) == -1)
- return false;
- bfd_h_put_64 (abfd, elf_gp (abfd), buf);
- if (bfd_write (buf, 1, 8, abfd) != 8)
- return false;
- }
- l += intopt.size;
+ while (map[count].u.abfd == current)
+ {
+ bfd_putb64 ((bfd_vma) archive_member_file_ptr, buf);
+ if (bfd_bwrite (buf, (bfd_size_type) 8, arch) != 8)
+ return false;
+ count++;
}
+ /* Add size of this archive entry */
+ archive_member_file_ptr += (arelt_size (current)
+ + sizeof (struct ar_hdr));
+ /* remember about the even alignment */
+ archive_member_file_ptr += archive_member_file_ptr % 2;
+ current = current->next;
+ }
+
+ /* now write the strings themselves */
+ for (count = 0; count < symbol_count; count++)
+ {
+ size_t len = strlen (*map[count].name) + 1;
+
+ if (bfd_bwrite (*map[count].name, (bfd_size_type) len, arch) != len)
+ return false;
}
- return _bfd_mips_elf_section_processing (abfd, hdr);
+ /* The spec says that this should be padded to an 8 byte boundary.
+ However, the Irix 6.2 tools do not appear to do this. */
+ while (padding != 0)
+ {
+ if (bfd_bwrite ("", (bfd_size_type) 1, arch) != 1)
+ return false;
+ --padding;
+ }
+
+ return true;
}
\f
/* ECOFF swapping routines. These are used when dealing with the
sizeof (Elf64_External_Sym),
sizeof (Elf64_External_Dyn),
sizeof (Elf_External_Note),
+ 4, /* hash-table entry size */
+ 3, /* internal relocations per external relocations */
64, /* arch_size */
8, /* file_align */
ELFCLASS64,
bfd_elf64_swap_symbol_out,
mips_elf64_slurp_reloc_table,
bfd_elf64_slurp_symbol_table,
- bfd_elf64_swap_dyn_in
+ bfd_elf64_swap_dyn_in,
+ bfd_elf64_swap_dyn_out,
+ mips_elf64_be_swap_reloc_in,
+ mips_elf64_be_swap_reloc_out,
+ mips_elf64_be_swap_reloca_in,
+ mips_elf64_be_swap_reloca_out
};
#define TARGET_LITTLE_SYM bfd_elf64_littlemips_vec
#define TARGET_BIG_NAME "elf64-bigmips"
#define ELF_ARCH bfd_arch_mips
#define ELF_MACHINE_CODE EM_MIPS
+
#define ELF_MAXPAGESIZE 0x1000
+
+#define elf_backend_collect true
+#define elf_backend_type_change_ok true
+#define elf_backend_can_gc_sections true
#define elf_backend_size_info mips_elf64_size_info
#define elf_backend_object_p _bfd_mips_elf_object_p
-#define elf_backend_section_from_shdr mips_elf64_section_from_shdr
+#define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr
#define elf_backend_fake_sections _bfd_mips_elf_fake_sections
#define elf_backend_section_from_bfd_section \
_bfd_mips_elf_section_from_bfd_section
-#define elf_backend_section_processing mips_elf64_section_processing
+#define elf_backend_section_processing _bfd_mips_elf_section_processing
#define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing
+#define elf_backend_additional_program_headers \
+ _bfd_mips_elf_additional_program_headers
+#define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map
#define elf_backend_final_write_processing \
_bfd_mips_elf_final_write_processing
#define elf_backend_ecoff_debug_swap &mips_elf64_ecoff_debug_swap
-
+#define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook
+#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_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_relocate_section _bfd_mips_elf_relocate_section
+#define elf_backend_link_output_symbol_hook \
+ _bfd_mips_elf_link_output_symbol_hook
+#define elf_backend_finish_dynamic_symbol \
+ _bfd_mips_elf_finish_dynamic_symbol
+#define elf_backend_finish_dynamic_sections \
+ _bfd_mips_elf_finish_dynamic_sections
+#define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook
+#define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook
+#define elf_backend_got_header_size (4*MIPS_RESERVED_GOTNO)
+#define elf_backend_plt_header_size 0
+
+/* MIPS ELF64 can use a mixture of REL and RELA, but some Relocations
+ * work better/work only in RELA, so we default to this. */
+#define elf_backend_may_use_rel_p 1
+#define elf_backend_may_use_rela_p 1
+#define elf_backend_default_use_rela_p 1
+
+/* We don't set bfd_elf64_bfd_is_local_label_name because the 32-bit
+ 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_get_reloc_upper_bound mips_elf64_get_reloc_upper_bound
-#define bfd_elf64_bfd_reloc_type_lookup mips_elf64_reloc_type_lookup
#define bfd_elf64_set_section_contents _bfd_mips_elf_set_section_contents
+#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 bfd_elf64_bfd_copy_private_bfd_data \
_bfd_mips_elf_copy_private_bfd_data
#define bfd_elf64_bfd_merge_private_bfd_data \
_bfd_mips_elf_merge_private_bfd_data
#define bfd_elf64_bfd_set_private_flags _bfd_mips_elf_set_private_flags
+#define bfd_elf64_bfd_print_private_bfd_data \
+ _bfd_mips_elf_print_private_bfd_data
+
+#define bfd_elf64_get_reloc_upper_bound mips_elf64_get_reloc_upper_bound
+#define bfd_elf64_bfd_reloc_type_lookup mips_elf64_reloc_type_lookup
+#define bfd_elf64_archive_functions
+#define bfd_elf64_archive_slurp_armap mips_elf64_slurp_armap
+#define bfd_elf64_archive_slurp_extended_name_table \
+ _bfd_archive_coff_slurp_extended_name_table
+#define bfd_elf64_archive_construct_extended_name_table \
+ _bfd_archive_coff_construct_extended_name_table
+#define bfd_elf64_archive_truncate_arname \
+ _bfd_archive_coff_truncate_arname
+#define bfd_elf64_archive_write_armap mips_elf64_write_armap
+#define bfd_elf64_archive_read_ar_hdr _bfd_archive_coff_read_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 \
+ _bfd_archive_coff_get_elt_at_index
+#define bfd_elf64_archive_generic_stat_arch_elt \
+ _bfd_archive_coff_generic_stat_arch_elt
+#define bfd_elf64_archive_update_armap_timestamp \
+ _bfd_archive_coff_update_armap_timestamp
+
+#include "elf64-target.h"
+
+/* Support for traditional mips targets */
+
+#define INCLUDED_TARGET_FILE /* More a type of flag */
+
+#undef TARGET_LITTLE_SYM
+#undef TARGET_LITTLE_NAME
+#undef TARGET_BIG_SYM
+#undef TARGET_BIG_NAME
+
+#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"
+/* Include the target file again for this target */
#include "elf64-target.h"
projects / deliverable / binutils-gdb.git / blobdiff