/* V850-specific support for 32-bit ELF
- Copyright 1996, 1997, 1998, 1999, 2000, 2001
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
-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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. */
/* XXX FIXME: This code is littered with 32bit int, 16bit short, 8bit char
- dependencies. As is the gas & simulator code or the v850. */
+ dependencies. As is the gas & simulator code for the v850. */
#include "bfd.h"
#include "sysdep.h"
static reloc_howto_type *v850_elf_reloc_type_lookup
PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
static void v850_elf_info_to_howto_rel
- PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
+ PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
static void v850_elf_info_to_howto_rela
- PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
+ PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
static bfd_reloc_status_type v850_elf_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static boolean v850_elf_is_local_label_name
+static bfd_boolean v850_elf_is_local_label_name
PARAMS ((bfd *, const char *));
-static boolean v850_elf_relocate_section
+static bfd_boolean v850_elf_relocate_section
PARAMS((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
static bfd_reloc_status_type v850_elf_perform_relocation
PARAMS ((bfd *, unsigned int, bfd_vma, bfd_byte *));
-static boolean v850_elf_check_relocs
+static bfd_boolean v850_elf_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *));
static void remember_hi16s_reloc
PARAMS ((bfd *, bfd_vma, bfd_byte *));
static bfd_byte * find_remembered_hi16s_reloc
- PARAMS ((bfd_vma, boolean *));
+ PARAMS ((bfd_vma, bfd_boolean *));
static bfd_reloc_status_type v850_elf_final_link_relocate
PARAMS ((reloc_howto_type *, bfd *, bfd *, asection *, bfd_byte *, bfd_vma,
bfd_vma, bfd_vma, struct bfd_link_info *, asection *, int));
-static boolean v850_elf_object_p
+static bfd_boolean v850_elf_object_p
PARAMS ((bfd *));
-static boolean v850_elf_fake_sections
- PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *));
+static bfd_boolean v850_elf_fake_sections
+ PARAMS ((bfd *, Elf_Internal_Shdr *, asection *));
static void v850_elf_final_write_processing
- PARAMS ((bfd *, boolean));
-static boolean v850_elf_set_private_flags
+ PARAMS ((bfd *, bfd_boolean));
+static bfd_boolean v850_elf_set_private_flags
PARAMS ((bfd *, flagword));
-static boolean v850_elf_merge_private_bfd_data
+static bfd_boolean v850_elf_merge_private_bfd_data
PARAMS ((bfd *, bfd *));
-static boolean v850_elf_print_private_bfd_data
+static bfd_boolean v850_elf_print_private_bfd_data
PARAMS ((bfd *, PTR));
-static boolean v850_elf_section_from_bfd_section
- PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *, int *));
+static bfd_boolean v850_elf_section_from_bfd_section
+ PARAMS ((bfd *, asection *, int *));
static void v850_elf_symbol_processing
PARAMS ((bfd *, asymbol *));
-static boolean v850_elf_add_symbol_hook
+static bfd_boolean v850_elf_add_symbol_hook
PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *,
const char **, flagword *, asection **, bfd_vma *));
-static boolean v850_elf_link_output_symbol_hook
+static bfd_boolean v850_elf_link_output_symbol_hook
PARAMS ((bfd *, struct bfd_link_info *, const char *,
Elf_Internal_Sym *, asection *));
-static boolean v850_elf_section_from_shdr
- PARAMS ((bfd *, Elf_Internal_Shdr *, char *));
-static boolean v850_elf_gc_sweep_hook
+static bfd_boolean v850_elf_section_from_shdr
+ PARAMS ((bfd *, Elf_Internal_Shdr *, const char *));
+static bfd_boolean v850_elf_gc_sweep_hook
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
static asection * v850_elf_gc_mark_hook
- PARAMS ((bfd *, struct bfd_link_info *,
+ PARAMS ((asection *, struct bfd_link_info *,
Elf_Internal_Rela *, struct elf_link_hash_entry *,
Elf_Internal_Sym *));
+static bfd_reloc_status_type v850_elf_ignore_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_boolean v850_elf_relax_delete_bytes
+ PARAMS ((bfd *, asection *, bfd_vma, bfd_vma, int));
+static bfd_boolean v850_elf_relax_section
+ PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *));
/* Note: It is REQUIRED that the 'type' value of each entry
in this array match the index of the entry in the array. */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_V850_NONE", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A PC relative 9 bit branch. */
HOWTO (R_V850_9_PCREL, /* type */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_9_PCREL", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x00ffffff, /* src_mask */
0x00ffffff, /* dst_mask */
- true), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* A PC relative 22 bit branch. */
HOWTO (R_V850_22_PCREL, /* type */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
22, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
7, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_22_PCREL", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x07ffff80, /* src_mask */
0x07ffff80, /* dst_mask */
- true), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* High 16 bits of symbol value. */
HOWTO (R_V850_HI16_S, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_HI16_S", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* High 16 bits of symbol value. */
HOWTO (R_V850_HI16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_HI16", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Low 16 bits of symbol value. */
HOWTO (R_V850_LO16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_LO16", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Simple 32bit reloc. */
HOWTO (R_V850_32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_32", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Simple 16bit reloc. */
HOWTO (R_V850_16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_V850_16", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Simple 8bit reloc. */
HOWTO (R_V850_8, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_V850_8", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xff, /* src_mask */
0xff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16 bit offset from the short data area pointer. */
HOWTO (R_V850_SDA_16_16_OFFSET, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_SDA_16_16_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 15 bit offset from the short data area pointer. */
HOWTO (R_V850_SDA_15_16_OFFSET, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
1, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_SDA_15_16_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xfffe, /* src_mask */
0xfffe, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16 bit offset from the zero data area pointer. */
HOWTO (R_V850_ZDA_16_16_OFFSET, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_ZDA_16_16_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 15 bit offset from the zero data area pointer. */
HOWTO (R_V850_ZDA_15_16_OFFSET, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
1, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_ZDA_15_16_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xfffe, /* src_mask */
0xfffe, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 6 bit offset from the tiny data area pointer. */
HOWTO (R_V850_TDA_6_8_OFFSET, /* type */
2, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
1, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_TDA_6_8_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x7e, /* src_mask */
0x7e, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 8 bit offset from the tiny data area pointer. */
HOWTO (R_V850_TDA_7_8_OFFSET, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_TDA_7_8_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x7f, /* src_mask */
0x7f, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 7 bit offset from the tiny data area pointer. */
HOWTO (R_V850_TDA_7_7_OFFSET, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
7, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_TDA_7_7_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x7f, /* src_mask */
0x7f, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16 bit offset from the tiny data area pointer! */
HOWTO (R_V850_TDA_16_16_OFFSET, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_TDA_16_16_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xfff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 5 bit offset from the tiny data area pointer. */
HOWTO (R_V850_TDA_4_5_OFFSET, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
5, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_TDA_4_5_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0f, /* src_mask */
0x0f, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 4 bit offset from the tiny data area pointer. */
HOWTO (R_V850_TDA_4_4_OFFSET, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
4, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_TDA_4_4_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x0f, /* src_mask */
0x0f, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16 bit offset from the short data area pointer. */
HOWTO (R_V850_SDA_16_16_SPLIT_OFFSET, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_SDA_16_16_SPLIT_OFFSET",/* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xfffe0020, /* src_mask */
0xfffe0020, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16 bit offset from the zero data area pointer. */
HOWTO (R_V850_ZDA_16_16_SPLIT_OFFSET, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_ZDA_16_16_SPLIT_OFFSET",/* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xfffe0020, /* src_mask */
0xfffe0020, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 6 bit offset from the call table base pointer. */
HOWTO (R_V850_CALLT_6_7_OFFSET, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
7, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_CALLT_6_7_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x3f, /* src_mask */
0x3f, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16 bit offset from the call table base pointer. */
HOWTO (R_V850_CALLT_16_16_OFFSET, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
v850_elf_reloc, /* special_function */
"R_V850_CALLT_16_16_OFFSET", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* GNU extension to record C++ vtable hierarchy */
HOWTO (R_V850_GNU_VTINHERIT, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
NULL, /* special_function */
"R_V850_GNU_VTINHERIT", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* GNU extension to record C++ vtable member usage */
HOWTO (R_V850_GNU_VTENTRY, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
_bfd_elf_rel_vtable_reloc_fn, /* special_function */
"R_V850_GNU_VTENTRY", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
-
+ FALSE), /* pcrel_offset */
+
+ /* Indicates a .longcall pseudo-op. The compiler will generate a .longcall
+ pseudo-op when it finds a function call which can be relaxed. */
+ HOWTO (R_V850_LONGCALL, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ v850_elf_ignore_reloc, /* special_function */
+ "R_V850_LONGCALL", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* Indicates a .longjump pseudo-op. The compiler will generate a
+ .longjump pseudo-op when it finds a branch which can be relaxed. */
+ HOWTO (R_V850_LONGJUMP, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ v850_elf_ignore_reloc, /* special_function */
+ "R_V850_LONGJUMP", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_V850_ALIGN, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_unsigned, /* complain_on_overflow */
+ v850_elf_ignore_reloc, /* special_function */
+ "R_V850_ALIGN", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ TRUE), /* pcrel_offset */
};
/* Map BFD reloc types to V850 ELF reloc types. */
static const struct v850_elf_reloc_map v850_elf_reloc_map[] =
{
- { BFD_RELOC_NONE, R_V850_NONE },
- { BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL },
- { BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL },
- { BFD_RELOC_HI16_S, R_V850_HI16_S },
- { BFD_RELOC_HI16, R_V850_HI16 },
- { BFD_RELOC_LO16, R_V850_LO16 },
- { BFD_RELOC_32, R_V850_32 },
- { BFD_RELOC_16, R_V850_16 },
- { BFD_RELOC_8, R_V850_8 },
- { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V850_SDA_16_16_OFFSET },
- { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V850_SDA_15_16_OFFSET },
- { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V850_ZDA_16_16_OFFSET },
- { BFD_RELOC_V850_ZDA_15_16_OFFSET, R_V850_ZDA_15_16_OFFSET },
- { BFD_RELOC_V850_TDA_6_8_OFFSET, R_V850_TDA_6_8_OFFSET },
- { BFD_RELOC_V850_TDA_7_8_OFFSET, R_V850_TDA_7_8_OFFSET },
- { BFD_RELOC_V850_TDA_7_7_OFFSET, R_V850_TDA_7_7_OFFSET },
- { BFD_RELOC_V850_TDA_16_16_OFFSET, R_V850_TDA_16_16_OFFSET },
+ { BFD_RELOC_NONE, R_V850_NONE },
+ { BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL },
+ { BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL },
+ { BFD_RELOC_HI16_S, R_V850_HI16_S },
+ { BFD_RELOC_HI16, R_V850_HI16 },
+ { BFD_RELOC_LO16, R_V850_LO16 },
+ { BFD_RELOC_32, R_V850_32 },
+ { BFD_RELOC_16, R_V850_16 },
+ { BFD_RELOC_8, R_V850_8 },
+ { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V850_SDA_16_16_OFFSET },
+ { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V850_SDA_15_16_OFFSET },
+ { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V850_ZDA_16_16_OFFSET },
+ { BFD_RELOC_V850_ZDA_15_16_OFFSET, R_V850_ZDA_15_16_OFFSET },
+ { BFD_RELOC_V850_TDA_6_8_OFFSET, R_V850_TDA_6_8_OFFSET },
+ { BFD_RELOC_V850_TDA_7_8_OFFSET, R_V850_TDA_7_8_OFFSET },
+ { BFD_RELOC_V850_TDA_7_7_OFFSET, R_V850_TDA_7_7_OFFSET },
+ { BFD_RELOC_V850_TDA_16_16_OFFSET, R_V850_TDA_16_16_OFFSET },
{ BFD_RELOC_V850_TDA_4_5_OFFSET, R_V850_TDA_4_5_OFFSET },
{ BFD_RELOC_V850_TDA_4_4_OFFSET, R_V850_TDA_4_4_OFFSET },
{ BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET, R_V850_SDA_16_16_SPLIT_OFFSET },
{ BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET, R_V850_ZDA_16_16_SPLIT_OFFSET },
{ BFD_RELOC_V850_CALLT_6_7_OFFSET, R_V850_CALLT_6_7_OFFSET },
{ BFD_RELOC_V850_CALLT_16_16_OFFSET, R_V850_CALLT_16_16_OFFSET },
- { BFD_RELOC_VTABLE_INHERIT, R_V850_GNU_VTINHERIT },
- { BFD_RELOC_VTABLE_ENTRY, R_V850_GNU_VTENTRY },
+ { BFD_RELOC_VTABLE_INHERIT, R_V850_GNU_VTINHERIT },
+ { BFD_RELOC_VTABLE_ENTRY, R_V850_GNU_VTENTRY },
+ { BFD_RELOC_V850_LONGCALL, R_V850_LONGCALL },
+ { BFD_RELOC_V850_LONGJUMP, R_V850_LONGJUMP },
+ { BFD_RELOC_V850_ALIGN, R_V850_ALIGN },
};
\f
static reloc_howto_type *
v850_elf_reloc_type_lookup (abfd, code)
- bfd * abfd ATTRIBUTE_UNUSED;
- bfd_reloc_code_real_type code;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ bfd_reloc_code_real_type code;
{
unsigned int i;
static void
v850_elf_info_to_howto_rel (abfd, cache_ptr, dst)
- bfd * abfd ATTRIBUTE_UNUSED;
- arelent * cache_ptr;
- Elf32_Internal_Rel * dst;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *cache_ptr;
+ Elf_Internal_Rela *dst;
{
unsigned int r_type;
/* Set the howto pointer for a V850 ELF reloc (type RELA). */
static void
v850_elf_info_to_howto_rela (abfd, cache_ptr, dst)
- bfd * abfd ATTRIBUTE_UNUSED;
- arelent * cache_ptr;
- Elf32_Internal_Rela *dst;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent * cache_ptr;
+ Elf_Internal_Rela *dst;
{
unsigned int r_type;
allocate space in the global offset table or procedure linkage
table. */
-static boolean
+static bfd_boolean
v850_elf_check_relocs (abfd, info, sec, relocs)
- bfd * abfd;
- struct bfd_link_info * info;
- asection * sec;
- const Elf_Internal_Rela * relocs;
+ bfd *abfd;
+ struct bfd_link_info *info;
+ asection *sec;
+ const Elf_Internal_Rela *relocs;
{
- boolean ret = true;
+ bfd_boolean ret = TRUE;
bfd *dynobj;
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
const char *common = (const char *)0;
if (info->relocateable)
- return true;
+ return TRUE;
#ifdef DEBUG
fprintf (stderr, "v850_elf_check_relocs called for section %s in %s\n",
Reconstruct it for later use during GC. */
case R_V850_GNU_VTINHERIT:
if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return false;
+ return FALSE;
break;
/* This relocation describes which C++ vtable entries
are actually used. Record for later use during GC. */
case R_V850_GNU_VTENTRY:
if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return false;
+ return FALSE;
break;
case R_V850_SDA_16_16_SPLIT_OFFSET:
bfd_set_error (bfd_error_bad_value);
h->other |= V850_OTHER_ERROR;
- ret = false;
+ ret = FALSE;
}
}
more than once, as the second attempted retry failed.
In the current version, the entry is not deleted, instead we set
- the field 'found' to true. If a second lookup matches the same
+ the field 'found' to TRUE. If a second lookup matches the same
entry, then we know that the hi16s reloc has already been updated
and does not need to be updated a second time.
typedef struct hi16s_location
{
- bfd_vma addend;
- bfd_byte * address;
+ bfd_vma addend;
+ bfd_byte *address;
unsigned long counter;
- boolean found;
- struct hi16s_location * next;
+ bfd_boolean found;
+ struct hi16s_location *next;
}
hi16s_location;
-static hi16s_location * previous_hi16s;
-static hi16s_location * free_hi16s;
-static unsigned long hi16s_counter;
+static hi16s_location *previous_hi16s;
+static hi16s_location *free_hi16s;
+static unsigned long hi16s_counter;
static void
remember_hi16s_reloc (abfd, addend, address)
- bfd * abfd;
- bfd_vma addend;
- bfd_byte * address;
+ bfd *abfd;
+ bfd_vma addend;
+ bfd_byte *address;
{
hi16s_location * entry = NULL;
bfd_size_type amt = sizeof (* free_hi16s);
entry->addend = addend;
entry->address = address;
entry->counter = hi16s_counter ++;
- entry->found = false;
+ entry->found = FALSE;
entry->next = previous_hi16s;
previous_hi16s = entry;
static bfd_byte *
find_remembered_hi16s_reloc (addend, already_found)
- bfd_vma addend;
- boolean * already_found;
+ bfd_vma addend;
+ bfd_boolean *already_found;
{
- hi16s_location * match = NULL;
- hi16s_location * entry;
- hi16s_location * previous = NULL;
- hi16s_location * prev;
- bfd_byte * addr;
+ hi16s_location *match = NULL;
+ hi16s_location *entry;
+ hi16s_location *previous = NULL;
+ hi16s_location *prev;
+ bfd_byte *addr;
/* Search the table. Record the most recent entry that matches. */
for (entry = previous_hi16s; entry; entry = entry->next)
* already_found = match->found;
/* Note that this entry has now been used. */
- match->found = true;
+ match->found = TRUE;
return addr;
}
|| (OVERFLOWS (addend, insn)
&& ((! BIT15_SET (insn)) || (BIT15_SET (addend)))))
{
- boolean already_updated;
- bfd_byte * hi16s_address = find_remembered_hi16s_reloc
+ bfd_boolean already_updated;
+ bfd_byte *hi16s_address = find_remembered_hi16s_reloc
(addend, & already_updated);
/* Amend the matching HI16_S relocation. */
static bfd_reloc_status_type
v850_elf_reloc (abfd, reloc, symbol, data, isection, obfd, err)
- bfd * abfd ATTRIBUTE_UNUSED;
- arelent * reloc;
- asymbol * symbol;
- PTR data ATTRIBUTE_UNUSED;
- asection * isection;
- bfd * obfd;
- char ** err ATTRIBUTE_UNUSED;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc;
+ asymbol *symbol;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *isection;
+ bfd *obfd;
+ char **err ATTRIBUTE_UNUSED;
{
long relocation;
reloc->address += isection->output_offset;
return bfd_reloc_ok;
}
-#if 0
- else if (obfd != NULL)
- return bfd_reloc_continue;
-#endif
/* Catch relocs involving undefined symbols. */
if (bfd_is_und_section (symbol->section)
/* Work out which section the relocation is targetted at and the
initial relocation command value. */
+ if (reloc->howto->pc_relative)
+ return bfd_reloc_ok;
+
/* Get symbol value. (Common symbols are special.) */
if (bfd_is_com_section (symbol->section))
relocation = 0;
nop
foo:
nop */
- if (reloc->howto->pc_relative == true)
+ if (reloc->howto->pc_relative)
{
/* Here the variable relocation holds the final address of the
symbol we are relocating against, plus any addend. */
reloc->addend = relocation;
return bfd_reloc_ok;
}
+
+/* This function is used for relocs which are only used
+ for relaxing, which the linker should otherwise ignore. */
+
+static bfd_reloc_status_type
+v850_elf_ignore_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry;
+ asymbol *symbol ATTRIBUTE_UNUSED;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
+{
+ if (output_bfd != NULL)
+ reloc_entry->address += input_section->output_offset;
+
+ return bfd_reloc_ok;
+}
\f
-static boolean
+static bfd_boolean
v850_elf_is_local_label_name (abfd, name)
- bfd * abfd ATTRIBUTE_UNUSED;
- const char * name;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ const char *name;
{
return ( (name[0] == '.' && (name[1] == 'L' || name[1] == '.'))
|| (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_'));
}
\f
+/* We overload some of the bfd_reloc error codes for own purposes. */
+#define bfd_reloc_gp_not_found bfd_reloc_other
+#define bfd_reloc_ep_not_found bfd_reloc_continue
+#define bfd_reloc_ctbp_not_found (bfd_reloc_dangerous + 1)
+
/* Perform a relocation as part of a final link. */
static bfd_reloc_status_type
v850_elf_final_link_relocate (howto, input_bfd, output_bfd,
- input_section, contents, offset, value,
- addend, info, sym_sec, is_local)
- reloc_howto_type * howto;
- bfd * input_bfd;
- bfd * output_bfd ATTRIBUTE_UNUSED;
- asection * input_section;
- bfd_byte * contents;
- bfd_vma offset;
- bfd_vma value;
- bfd_vma addend;
- struct bfd_link_info * info;
- asection * sym_sec;
- int is_local ATTRIBUTE_UNUSED;
+ input_section, contents, offset, value,
+ addend, info, sym_sec, is_local)
+ reloc_howto_type *howto;
+ bfd *input_bfd;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
+ asection *input_section;
+ bfd_byte *contents;
+ bfd_vma offset;
+ bfd_vma value;
+ bfd_vma addend;
+ struct bfd_link_info *info;
+ asection *sym_sec;
+ int is_local ATTRIBUTE_UNUSED;
{
- unsigned int r_type = howto->type;
- bfd_byte * hit_data = contents + offset;
+ unsigned int r_type = howto->type;
+ bfd_byte *hit_data = contents + offset;
/* Adjust the value according to the relocation. */
switch (r_type)
return bfd_reloc_undefined;
/* Get the value of __gp. */
- h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true);
+ h = bfd_link_hash_lookup (info->hash, "__gp", FALSE, FALSE, TRUE);
if (h == (struct bfd_link_hash_entry *) NULL
|| h->type != bfd_link_hash_defined)
- return bfd_reloc_other;
+ return bfd_reloc_gp_not_found;
gp = (h->u.def.value
+ h->u.def.section->output_section->vma
struct bfd_link_hash_entry * h;
/* Get the value of __ep. */
- h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true);
+ h = bfd_link_hash_lookup (info->hash, "__ep", FALSE, FALSE, TRUE);
if (h == (struct bfd_link_hash_entry *) NULL
|| h->type != bfd_link_hash_defined)
- /* Actually this indicates that __ep could not be found. */
- return bfd_reloc_continue;
+ return bfd_reloc_ep_not_found;
ep = (h->u.def.value
+ h->u.def.section->output_section->vma
struct bfd_link_hash_entry * h;
/* Get the value of __ctbp. */
- h = bfd_link_hash_lookup (info->hash, "__ctbp", false, false, true);
+ h = bfd_link_hash_lookup (info->hash, "__ctbp", FALSE, FALSE, TRUE);
if (h == (struct bfd_link_hash_entry *) NULL
|| h->type != bfd_link_hash_defined)
- /* Actually this indicates that __ctbp could not be found. */
- return bfd_reloc_dangerous + 1;
+ return bfd_reloc_ctbp_not_found;
ctbp = (h->u.def.value
+ h->u.def.section->output_section->vma
return bfd_reloc_undefined;
/* Get the value of __ctbp. */
- h = bfd_link_hash_lookup (info->hash, "__ctbp", false, false, true);
+ h = bfd_link_hash_lookup (info->hash, "__ctbp", FALSE, FALSE, TRUE);
if (h == (struct bfd_link_hash_entry *) NULL
|| h->type != bfd_link_hash_defined)
- return (bfd_reloc_dangerous + 1);
+ return bfd_reloc_ctbp_not_found;
ctbp = (h->u.def.value
+ h->u.def.section->output_section->vma
case R_V850_NONE:
case R_V850_GNU_VTINHERIT:
case R_V850_GNU_VTENTRY:
+ case R_V850_LONGCALL:
+ case R_V850_LONGJUMP:
+ case R_V850_ALIGN:
return bfd_reloc_ok;
default:
\f
/* Relocate an V850 ELF section. */
-static boolean
+static bfd_boolean
v850_elf_relocate_section (output_bfd, info, input_bfd, input_section,
contents, relocs, local_syms, local_sections)
- bfd * output_bfd;
- struct bfd_link_info * info;
- bfd * input_bfd;
- asection * input_section;
- bfd_byte * contents;
- Elf_Internal_Rela * relocs;
- Elf_Internal_Sym * local_syms;
- asection ** local_sections;
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+ bfd *input_bfd;
+ asection *input_section;
+ bfd_byte *contents;
+ Elf_Internal_Rela *relocs;
+ Elf_Internal_Sym *local_syms;
+ asection **local_sections;
{
- Elf_Internal_Shdr * symtab_hdr;
- struct elf_link_hash_entry ** sym_hashes;
- Elf_Internal_Rela * rel;
- Elf_Internal_Rela * relend;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ Elf_Internal_Rela *rel;
+ Elf_Internal_Rela *relend;
+
+ if (info->relocateable)
+ return TRUE;
symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
(info, "no hash table available",
NULL, input_bfd, input_section, (bfd_vma) 0);
- return false;
+ return FALSE;
}
/* Reset the list of remembered HI16S relocs to empty. */
relend = relocs + input_section->reloc_count;
for (; rel < relend; rel++)
{
- int r_type;
- reloc_howto_type * howto;
- unsigned long r_symndx;
- Elf_Internal_Sym * sym;
- asection * sec;
- struct elf_link_hash_entry * h;
- bfd_vma relocation;
- bfd_reloc_status_type r;
+ int r_type;
+ reloc_howto_type *howto;
+ unsigned long r_symndx;
+ Elf_Internal_Sym *sym;
+ asection *sec;
+ struct elf_link_hash_entry *h;
+ bfd_vma relocation;
+ bfd_reloc_status_type r;
r_symndx = ELF32_R_SYM (rel->r_info);
r_type = ELF32_R_TYPE (rel->r_info);
|| r_type == R_V850_GNU_VTINHERIT)
continue;
- howto = v850_elf_howto_table + r_type;
-
- if (info->relocateable)
- {
- /* This is a relocateable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- sec = local_sections[r_symndx];
- rel->r_addend += sec->output_offset + sym->st_value;
- }
- }
-
- continue;
- }
-
/* This is a final link. */
+ howto = v850_elf_howto_table + r_type;
h = NULL;
sym = NULL;
sec = NULL;
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
- input_section, rel->r_offset, true)))
- return false;
+ input_section, rel->r_offset, TRUE)))
+ return FALSE;
#if 0
fprintf (stderr, "unknown: name: %s\n", h->root.root.string);
#endif
if (! ((*info->callbacks->reloc_overflow)
(info, name, howto->name, (bfd_vma) 0,
input_bfd, input_section, rel->r_offset)))
- return false;
+ return FALSE;
break;
case bfd_reloc_undefined:
if (! ((*info->callbacks->undefined_symbol)
(info, name, input_bfd, input_section,
- rel->r_offset, true)))
- return false;
+ rel->r_offset, TRUE)))
+ return FALSE;
break;
case bfd_reloc_outofrange:
msg = _("internal error: dangerous relocation");
goto common_error;
- case bfd_reloc_other:
+ case bfd_reloc_gp_not_found:
msg = _("could not locate special linker symbol __gp");
goto common_error;
- case bfd_reloc_continue:
+ case bfd_reloc_ep_not_found:
msg = _("could not locate special linker symbol __ep");
goto common_error;
- case (bfd_reloc_dangerous + 1):
+ case bfd_reloc_ctbp_not_found:
msg = _("could not locate special linker symbol __ctbp");
goto common_error;
if (!((*info->callbacks->warning)
(info, msg, name, input_bfd, input_section,
rel->r_offset)))
- return false;
+ return FALSE;
break;
}
}
}
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
v850_elf_gc_sweep_hook (abfd, info, sec, relocs)
bfd *abfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info ATTRIBUTE_UNUSED;
const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED;
{
/* No got and plt entries for v850-elf. */
- return true;
+ return TRUE;
}
static asection *
-v850_elf_gc_mark_hook (abfd, info, rel, h, sym)
- bfd *abfd;
+v850_elf_gc_mark_hook (sec, info, rel, h, sym)
+ asection *sec;
struct bfd_link_info *info ATTRIBUTE_UNUSED;
Elf_Internal_Rela *rel;
struct elf_link_hash_entry *h;
}
}
else
- {
- return bfd_section_from_elf_index (abfd, sym->st_shndx);
- }
+ return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
return NULL;
}
/* Set the right machine number. */
-static boolean
+static bfd_boolean
v850_elf_object_p (abfd)
bfd *abfd;
{
switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH)
{
default:
- case E_V850_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, 0); break;
- case E_V850E_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850e); break;
- case E_V850EA_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850ea); break;
+ case E_V850_ARCH:
+ bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850);
+ break;
+ case E_V850E_ARCH:
+ bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850e);
+ break;
}
- return true;
+ return TRUE;
}
/* Store the machine number in the flags field. */
static void
v850_elf_final_write_processing (abfd, linker)
- bfd * abfd;
- boolean linker ATTRIBUTE_UNUSED;
+ bfd *abfd;
+ bfd_boolean linker ATTRIBUTE_UNUSED;
{
unsigned long val;
switch (bfd_get_mach (abfd))
{
default:
- case 0: val = E_V850_ARCH; break;
- case bfd_mach_v850e: val = E_V850E_ARCH; break;
- case bfd_mach_v850ea: val = E_V850EA_ARCH; break;
+ case bfd_mach_v850: val = E_V850_ARCH; break;
+ case bfd_mach_v850e: val = E_V850E_ARCH; break;
}
elf_elfheader (abfd)->e_flags &=~ EF_V850_ARCH;
/* Function to keep V850 specific file flags. */
-static boolean
+static bfd_boolean
v850_elf_set_private_flags (abfd, flags)
- bfd * abfd;
+ bfd *abfd;
flagword flags;
{
BFD_ASSERT (!elf_flags_init (abfd)
|| elf_elfheader (abfd)->e_flags == flags);
elf_elfheader (abfd)->e_flags = flags;
- elf_flags_init (abfd) = true;
- return true;
+ elf_flags_init (abfd) = TRUE;
+ return TRUE;
}
/* Merge backend specific data from an object file
to the output object file when linking. */
-static boolean
+static bfd_boolean
v850_elf_merge_private_bfd_data (ibfd, obfd)
- bfd * ibfd;
- bfd * obfd;
+ bfd *ibfd;
+ bfd *obfd;
{
flagword out_flags;
flagword in_flags;
if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return true;
+ return TRUE;
in_flags = elf_elfheader (ibfd)->e_flags;
out_flags = elf_elfheader (obfd)->e_flags;
unitialised values, which surprise surprise, correspond
to the default values. */
if (bfd_get_arch_info (ibfd)->the_default)
- return true;
+ return TRUE;
- elf_flags_init (obfd) = true;
+ elf_flags_init (obfd) = TRUE;
elf_elfheader (obfd)->e_flags = in_flags;
if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
&& bfd_get_arch_info (obfd)->the_default)
return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
- return true;
+ return TRUE;
}
/* Check flag compatibility. */
if (in_flags == out_flags)
- return true;
+ return TRUE;
if ((in_flags & EF_V850_ARCH) != (out_flags & EF_V850_ARCH)
&& (in_flags & EF_V850_ARCH) != E_V850_ARCH)
_bfd_error_handler (_("%s: Architecture mismatch with previous modules"),
bfd_archive_filename (ibfd));
- return true;
+ return TRUE;
}
/* Display the flags field. */
-static boolean
+static bfd_boolean
v850_elf_print_private_bfd_data (abfd, ptr)
- bfd * abfd;
- PTR ptr;
+ bfd *abfd;
+ PTR ptr;
{
FILE * file = (FILE *) ptr;
default:
case E_V850_ARCH: fprintf (file, _("v850 architecture")); break;
case E_V850E_ARCH: fprintf (file, _("v850e architecture")); break;
- case E_V850EA_ARCH: fprintf (file, _("v850ea architecture")); break;
}
fputc ('\n', file);
- return true;
+ return TRUE;
}
/* V850 ELF uses four common sections. One is the usual one, and the
/* Given a BFD section, try to locate the
corresponding ELF section index. */
-static boolean
-v850_elf_section_from_bfd_section (abfd, hdr, sec, retval)
- bfd * abfd ATTRIBUTE_UNUSED;
- Elf32_Internal_Shdr * hdr ATTRIBUTE_UNUSED;
- asection * sec;
- int * retval;
+static bfd_boolean
+v850_elf_section_from_bfd_section (abfd, sec, retval)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asection *sec;
+ int *retval;
{
if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
*retval = SHN_V850_SCOMMON;
else if (strcmp (bfd_get_section_name (abfd, sec), ".zcommon") == 0)
*retval = SHN_V850_ZCOMMON;
else
- return false;
+ return FALSE;
- return true;
+ return TRUE;
}
/* Handle the special V850 section numbers that a symbol may use. */
static void
v850_elf_symbol_processing (abfd, asym)
- bfd * abfd;
- asymbol * asym;
+ bfd *abfd;
+ asymbol *asym;
{
elf_symbol_type * elfsym = (elf_symbol_type *) asym;
unsigned int indx;
/* Hook called by the linker routine which adds symbols from an object
file. We must handle the special v850 section numbers here. */
-static boolean
+static bfd_boolean
v850_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
- bfd * abfd;
- struct bfd_link_info * info ATTRIBUTE_UNUSED;
- const Elf_Internal_Sym * sym;
- const char ** namep ATTRIBUTE_UNUSED;
- flagword * flagsp ATTRIBUTE_UNUSED;
- asection ** secp;
- bfd_vma * valp;
+ bfd *abfd;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ const Elf_Internal_Sym *sym;
+ const char **namep ATTRIBUTE_UNUSED;
+ flagword *flagsp ATTRIBUTE_UNUSED;
+ asection **secp;
+ bfd_vma *valp;
{
unsigned int indx = sym->st_shndx;
break;
}
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
v850_elf_link_output_symbol_hook (abfd, info, name, sym, input_sec)
- bfd * abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info * info ATTRIBUTE_UNUSED;
- const char * name ATTRIBUTE_UNUSED;
- Elf_Internal_Sym * sym;
- asection * input_sec;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ const char *name ATTRIBUTE_UNUSED;
+ Elf_Internal_Sym *sym;
+ asection *input_sec;
{
/* If we see a common symbol, which implies a relocatable link, then
if a symbol was in a special common section in an input file, mark
sym->st_shndx = SHN_V850_ZCOMMON;
}
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
v850_elf_section_from_shdr (abfd, hdr, name)
- bfd * abfd;
- Elf_Internal_Shdr * hdr;
- char * name;
+ bfd *abfd;
+ Elf_Internal_Shdr *hdr;
+ const char *name;
{
/* There ought to be a place to keep ELF backend specific flags, but
at the moment there isn't one. We just keep track of the
sections by their name, instead. */
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
- return false;
+ return FALSE;
switch (hdr->sh_type)
{
(bfd_get_section_flags (abfd,
hdr->bfd_section)
| SEC_IS_COMMON)))
- return false;
+ return FALSE;
}
- return true;
+ return TRUE;
}
/* Set the correct type for a V850 ELF section. We do this
by the section name, which is a hack, but ought to work. */
-static boolean
+static bfd_boolean
v850_elf_fake_sections (abfd, hdr, sec)
- bfd * abfd ATTRIBUTE_UNUSED;
- Elf32_Internal_Shdr * hdr;
- asection * sec;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ Elf_Internal_Shdr *hdr;
+ asection *sec;
{
register const char * name;
else if (strcmp (name, ".zcommon") == 0)
hdr->sh_type = SHT_V850_ZCOMMON;
- return true;
+ return TRUE;
+}
+
+/* Delete some bytes from a section while relaxing. */
+
+static bfd_boolean
+v850_elf_relax_delete_bytes (abfd, sec, addr, toaddr, count)
+ bfd *abfd;
+ asection *sec;
+ bfd_vma addr;
+ bfd_vma toaddr;
+ int count;
+{
+ Elf_Internal_Shdr *symtab_hdr;
+ Elf32_External_Sym *extsyms;
+ Elf32_External_Sym *esym;
+ Elf32_External_Sym *esymend;
+ int index;
+ unsigned int sec_shndx;
+ bfd_byte *contents;
+ Elf_Internal_Rela *irel;
+ Elf_Internal_Rela *irelend;
+ struct elf_link_hash_entry *sym_hash;
+ Elf_Internal_Shdr *shndx_hdr;
+ Elf_External_Sym_Shndx *shndx;
+
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
+
+ sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
+
+ contents = elf_section_data (sec)->this_hdr.contents;
+
+ /* The deletion must stop at the next ALIGN reloc for an alignment
+ power larger than the number of bytes we are deleting. */
+
+ /* Actually delete the bytes. */
+#if (DEBUG_RELAX & 2)
+ fprintf (stderr, "relax_delete: contents: sec: %s %p .. %p %x\n",
+ sec->name, addr, toaddr, count );
+#endif
+ memmove (contents + addr, contents + addr + count,
+ toaddr - addr - count);
+ memset (contents + toaddr-count, 0, count);
+
+ /* Adjust all the relocs. */
+ irel = elf_section_data (sec)->relocs;
+ irelend = irel + sec->reloc_count;
+ shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr;
+ shndx = (Elf_External_Sym_Shndx *) shndx_hdr->contents;
+
+ for (; irel < irelend; irel++)
+ {
+ bfd_vma raddr, paddr, symval;
+ Elf_Internal_Sym isym;
+
+ /* Get the new reloc address. */
+ raddr = irel->r_offset;
+ if ((raddr >= (addr + count) && raddr < toaddr))
+ irel->r_offset -= count;
+
+ if (raddr >= addr && raddr < addr + count)
+ {
+ irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
+ (int) R_V850_NONE);
+ continue;
+ }
+
+ if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN)
+ continue;
+
+ bfd_elf32_swap_symbol_in (abfd,
+ extsyms + ELF32_R_SYM (irel->r_info),
+ shndx ? shndx + ELF32_R_SYM (irel->r_info) : NULL,
+ & isym);
+
+ if (isym.st_shndx != sec_shndx)
+ continue;
+
+ /* Get the value of the symbol referred to by the reloc. */
+ if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
+ {
+ symval = isym.st_value;
+#if (DEBUG_RELAX & 2)
+ {
+ char * name = bfd_elf_string_from_elf_section
+ (abfd, symtab_hdr->sh_link, isym.st_name);
+ fprintf (stderr,
+ "relax_delete: local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
+ sec->name, name, isym.st_name,
+ sec->output_section->vma, sec->output_offset,
+ isym.st_value, irel->r_addend);
+ }
+#endif
+ }
+ else
+ {
+ unsigned long indx;
+ struct elf_link_hash_entry * h;
+
+ /* An external symbol. */
+ indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
+
+ h = elf_sym_hashes (abfd) [indx];
+ BFD_ASSERT (h != NULL);
+
+ symval = h->root.u.def.value;
+#if (DEBUG_RELAX & 2)
+ fprintf (stderr,
+ "relax_delete: defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n",
+ sec->name, h->root.root.string, h->root.u.def.value,
+ sec->output_section->vma, sec->output_offset, irel->r_addend);
+#endif
+ }
+
+ paddr = symval + irel->r_addend;
+
+ if ( (symval >= addr + count && symval < toaddr)
+ && (paddr < addr + count || paddr >= toaddr))
+ irel->r_addend += count;
+ else if ( (symval < addr + count || symval >= toaddr)
+ && (paddr >= addr + count && paddr < toaddr))
+ irel->r_addend -= count;
+ }
+
+ /* Adjust the local symbols defined in this section. */
+ esym = extsyms;
+ esymend = esym + symtab_hdr->sh_info;
+
+ for (; esym < esymend; esym++, shndx = (shndx ? shndx + 1 : NULL))
+ {
+ Elf_Internal_Sym isym;
+
+ bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym);
+
+ if (isym.st_shndx == sec_shndx
+ && isym.st_value >= addr + count
+ && isym.st_value < toaddr)
+ {
+ isym.st_value -= count;
+
+ if (isym.st_value + isym.st_size >= toaddr)
+ isym.st_size += count;
+
+ bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
+ }
+ else if (isym.st_shndx == sec_shndx
+ && isym.st_value < addr + count)
+ {
+ if (isym.st_value+isym.st_size >= addr + count
+ && isym.st_value+isym.st_size < toaddr)
+ isym.st_size -= count;
+
+ if (isym.st_value >= addr
+ && isym.st_value < addr + count)
+ isym.st_value = addr;
+
+ bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
+ }
+ }
+
+ /* Now adjust the global symbols defined in this section. */
+ esym = extsyms + symtab_hdr->sh_info;
+ esymend = extsyms + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym));
+
+ for (index = 0; esym < esymend; esym ++, index ++)
+ {
+ Elf_Internal_Sym isym;
+
+ bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym);
+ sym_hash = elf_sym_hashes (abfd) [index];
+
+ if (isym.st_shndx == sec_shndx
+ && ((sym_hash)->root.type == bfd_link_hash_defined
+ || (sym_hash)->root.type == bfd_link_hash_defweak)
+ && (sym_hash)->root.u.def.section == sec
+ && (sym_hash)->root.u.def.value >= addr + count
+ && (sym_hash)->root.u.def.value < toaddr)
+ {
+ if ((sym_hash)->root.u.def.value + isym.st_size >= toaddr)
+ {
+ isym.st_size += count;
+ bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
+ }
+
+ (sym_hash)->root.u.def.value -= count;
+ }
+ else if (isym.st_shndx == sec_shndx
+ && ((sym_hash)->root.type == bfd_link_hash_defined
+ || (sym_hash)->root.type == bfd_link_hash_defweak)
+ && (sym_hash)->root.u.def.section == sec
+ && (sym_hash)->root.u.def.value < addr + count)
+ {
+ if ((sym_hash)->root.u.def.value+isym.st_size >= addr + count
+ && (sym_hash)->root.u.def.value+isym.st_size < toaddr)
+ isym.st_size -= count;
+
+ if ((sym_hash)->root.u.def.value >= addr
+ && (sym_hash)->root.u.def.value < addr + count)
+ (sym_hash)->root.u.def.value = addr;
+
+ bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
+ }
+
+ if (shndx)
+ ++ shndx;
+ }
+
+ return TRUE;
+}
+
+#define NOP_OPCODE (0x0000)
+#define MOVHI 0x0640 /* 4byte */
+#define MOVHI_MASK 0x07e0
+#define MOVHI_R1(insn) ((insn) & 0x1f) /* 4byte */
+#define MOVHI_R2(insn) ((insn) >> 11)
+#define MOVEA 0x0620 /* 2byte */
+#define MOVEA_MASK 0x07e0
+#define MOVEA_R1(insn) ((insn) & 0x1f)
+#define MOVEA_R2(insn) ((insn) >> 11)
+#define JARL_4 0x00040780 /* 4byte */
+#define JARL_4_MASK 0xFFFF07FF
+#define JARL_R2(insn) (int)(((insn) & (~JARL_4_MASK)) >> 11)
+#define ADD_I 0x0240 /* 2byte */
+#define ADD_I_MASK 0x07e0
+#define ADD_I5(insn) ((((insn) & 0x001f) << 11) >> 11) /* 2byte */
+#define ADD_R2(insn) ((insn) >> 11)
+#define JMP_R 0x0060 /* 2byte */
+#define JMP_R_MASK 0xFFE0
+#define JMP_R1(insn) ((insn) & 0x1f)
+
+static bfd_boolean
+v850_elf_relax_section (abfd, sec, link_info, again)
+ bfd *abfd;
+ asection *sec;
+ struct bfd_link_info *link_info;
+ bfd_boolean *again;
+{
+ Elf_Internal_Shdr *symtab_hdr;
+ Elf_Internal_Rela *internal_relocs;
+ Elf_Internal_Rela *irel;
+ Elf_Internal_Rela *irelend;
+ Elf_Internal_Rela *irelalign = NULL;
+ Elf_Internal_Sym *isymbuf = NULL;
+ bfd_byte *contents = NULL;
+ bfd_vma addr = 0;
+ bfd_vma toaddr;
+ int align_pad_size = 0;
+ bfd_boolean result = TRUE;
+
+ *again = FALSE;
+
+ if (link_info->relocateable
+ || (sec->flags & SEC_RELOC) == 0
+ || sec->reloc_count == 0)
+ return TRUE;
+
+ /* If this is the first time we have been called
+ for this section, initialize the cooked size. */
+ if (sec->_cooked_size == 0)
+ sec->_cooked_size = sec->_raw_size;
+
+ symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
+
+ internal_relocs = (_bfd_elf_link_read_relocs
+ (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
+ link_info->keep_memory));
+ if (internal_relocs == NULL)
+ goto error_return;
+
+ irelend = internal_relocs + sec->reloc_count;
+
+ while (addr < sec->_cooked_size)
+ {
+ toaddr = sec->_cooked_size;
+
+ for (irel = internal_relocs; irel < irelend; irel ++)
+ if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN
+ && irel->r_offset > addr
+ && irel->r_offset < toaddr)
+ toaddr = irel->r_offset;
+
+#ifdef DEBUG_RELAX
+ fprintf (stderr, "relax region 0x%x to 0x%x align pad %d\n",
+ addr, toaddr, align_pad_size);
+#endif
+ if (irelalign)
+ {
+ bfd_vma alignto;
+ bfd_vma alignmoveto;
+
+ alignmoveto = BFD_ALIGN (addr - align_pad_size, 1 << irelalign->r_addend);
+ alignto = BFD_ALIGN (addr, 1 << irelalign->r_addend);
+
+ if (alignmoveto < alignto)
+ {
+ unsigned int i;
+
+ align_pad_size = alignto - alignmoveto;
+#ifdef DEBUG_RELAX
+ fprintf (stderr, "relax move region 0x%x to 0x%x delete size 0x%x\n",
+ alignmoveto, toaddr, align_pad_size);
+#endif
+ if (!v850_elf_relax_delete_bytes (abfd, sec, alignmoveto,
+ toaddr, align_pad_size))
+ goto error_return;
+
+ for (i = BFD_ALIGN (toaddr - align_pad_size, 1);
+ (i + 1) < toaddr; i += 2)
+ bfd_put_16 (abfd, NOP_OPCODE, contents + i);
+
+ addr = alignmoveto;
+ }
+ else
+ align_pad_size = 0;
+ }
+
+ for (irel = internal_relocs; irel < irelend; irel++)
+ {
+ bfd_vma laddr;
+ bfd_vma addend;
+ bfd_vma symval;
+ int insn[5];
+ int no_match = -1;
+ Elf_Internal_Rela *hi_irelfn;
+ Elf_Internal_Rela *lo_irelfn;
+ Elf_Internal_Rela *irelcall;
+ bfd_signed_vma foff;
+
+ if (! (irel->r_offset >= addr && irel->r_offset < toaddr
+ && (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL
+ || ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP)))
+ continue;
+
+#ifdef DEBUG_RELAX
+ fprintf (stderr, "relax check r_info 0x%x r_offset 0x%x r_addend 0x%x\n",
+ irel->r_info,
+ irel->r_offset,
+ irel->r_addend );
+#endif
+
+ /* Get the section contents. */
+ if (contents == NULL)
+ {
+ if (elf_section_data (sec)->this_hdr.contents != NULL)
+ contents = elf_section_data (sec)->this_hdr.contents;
+ else
+ {
+ contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
+ if (contents == NULL)
+ goto error_return;
+
+ if (! bfd_get_section_contents (abfd, sec, contents,
+ (file_ptr) 0, sec->_raw_size))
+ goto error_return;
+ }
+ }
+
+ /* Read this BFD's local symbols if we haven't done so already. */
+ if (isymbuf == NULL && symtab_hdr->sh_info != 0)
+ {
+ isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
+ if (isymbuf == NULL)
+ isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
+ symtab_hdr->sh_info, 0,
+ NULL, NULL, NULL);
+ if (isymbuf == NULL)
+ goto error_return;
+ }
+
+ laddr = irel->r_offset;
+
+ if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL)
+ {
+ /* Check code for -mlong-calls output. */
+ if (laddr + 16 <= (bfd_vma) sec->_raw_size)
+ {
+ insn[0] = bfd_get_16 (abfd, contents + laddr);
+ insn[1] = bfd_get_16 (abfd, contents + laddr + 4);
+ insn[2] = bfd_get_32 (abfd, contents + laddr + 8);
+ insn[3] = bfd_get_16 (abfd, contents + laddr + 12);
+ insn[4] = bfd_get_16 (abfd, contents + laddr + 14);
+
+ if ((insn[0] & MOVHI_MASK) != MOVHI
+ || MOVHI_R1 (insn[0]) != 0)
+ no_match = 0;
+
+ if (no_match < 0
+ && ((insn[1] & MOVEA_MASK) != MOVEA
+ || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1])))
+ no_match = 1;
+
+ if (no_match < 0
+ && (insn[2] & JARL_4_MASK) != JARL_4)
+ no_match = 2;
+
+ if (no_match < 0
+ && ((insn[3] & ADD_I_MASK) != ADD_I
+ || ADD_I5 (insn[3]) != 4
+ || JARL_R2 (insn[2]) != ADD_R2 (insn[3])))
+ no_match = 3;
+
+ if (no_match < 0
+ && ((insn[4] & JMP_R_MASK) != JMP_R
+ || MOVEA_R2 (insn[1]) != JMP_R1 (insn[4])))
+ no_match = 4;
+ }
+ else
+ {
+ ((*_bfd_error_handler)
+ ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insns",
+ bfd_get_filename (abfd), (unsigned long) irel->r_offset));
+
+ continue;
+ }
+
+ if (no_match >= 0)
+ {
+ ((*_bfd_error_handler)
+ ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insn 0x%x",
+ bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match]));
+
+ continue;
+ }
+
+ /* Get the reloc for the address from which the register is
+ being loaded. This reloc will tell us which function is
+ actually being called. */
+ for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++)
+ if (hi_irelfn->r_offset == laddr + 2
+ && ELF32_R_TYPE (hi_irelfn->r_info)
+ == (int) R_V850_HI16_S)
+ break;
+
+ for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++)
+ if (lo_irelfn->r_offset == laddr + 6
+ && ELF32_R_TYPE (lo_irelfn->r_info)
+ == (int) R_V850_LO16)
+ break;
+
+ for (irelcall = internal_relocs; irelcall < irelend; irelcall ++)
+ if (irelcall->r_offset == laddr + 8
+ && ELF32_R_TYPE (irelcall->r_info)
+ == (int) R_V850_22_PCREL)
+ break;
+
+ if ( hi_irelfn == irelend
+ || lo_irelfn == irelend
+ || irelcall == irelend)
+ {
+ ((*_bfd_error_handler)
+ ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc",
+ bfd_get_filename (abfd), (unsigned long) irel->r_offset ));
+
+ continue;
+ }
+
+ if (ELF32_R_SYM (irelcall->r_info) < symtab_hdr->sh_info)
+ {
+ Elf_Internal_Sym * isym;
+
+ /* A local symbol. */
+ isym = isymbuf + ELF32_R_SYM (irelcall->r_info);
+
+ symval = isym->st_value;
+ }
+ else
+ {
+ unsigned long indx;
+ struct elf_link_hash_entry * h;
+
+ /* An external symbol. */
+ indx = ELF32_R_SYM (irelcall->r_info) - symtab_hdr->sh_info;
+ h = elf_sym_hashes (abfd)[indx];
+ BFD_ASSERT (h != NULL);
+
+ if ( h->root.type != bfd_link_hash_defined
+ && h->root.type != bfd_link_hash_defweak)
+ /* This appears to be a reference to an undefined
+ symbol. Just ignore it--it will be caught by the
+ regular reloc processing. */
+ continue;
+
+ symval = h->root.u.def.value;
+ }
+
+ if (symval + irelcall->r_addend != irelcall->r_offset + 4)
+ {
+ ((*_bfd_error_handler)
+ ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc 0x%lx",
+ bfd_get_filename (abfd), (unsigned long) irel->r_offset, irelcall->r_offset ));
+
+ continue;
+ }
+
+ /* Get the value of the symbol referred to by the reloc. */
+ if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
+ {
+ Elf_Internal_Sym *isym;
+ asection *sym_sec;
+
+ /* A local symbol. */
+ isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info);
+
+ if (isym->st_shndx == SHN_UNDEF)
+ sym_sec = bfd_und_section_ptr;
+ else if (isym->st_shndx == SHN_ABS)
+ sym_sec = bfd_abs_section_ptr;
+ else if (isym->st_shndx == SHN_COMMON)
+ sym_sec = bfd_com_section_ptr;
+ else
+ sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
+ symval = (isym->st_value
+ + sym_sec->output_section->vma
+ + sym_sec->output_offset);
+ }
+ else
+ {
+ unsigned long indx;
+ struct elf_link_hash_entry *h;
+
+ /* An external symbol. */
+ indx = ELF32_R_SYM (hi_irelfn->r_info) - symtab_hdr->sh_info;
+ h = elf_sym_hashes (abfd)[indx];
+ BFD_ASSERT (h != NULL);
+
+ if ( h->root.type != bfd_link_hash_defined
+ && h->root.type != bfd_link_hash_defweak)
+ /* This appears to be a reference to an undefined
+ symbol. Just ignore it--it will be caught by the
+ regular reloc processing. */
+ continue;
+
+ symval = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ }
+
+ addend = irel->r_addend;
+
+ foff = (symval + addend
+ - (irel->r_offset
+ + sec->output_section->vma
+ + sec->output_offset
+ + 4));
+#ifdef DEBUG_RELAX
+ fprintf (stderr, "relax longcall r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n",
+ irel->r_offset,
+ (irel->r_offset
+ + sec->output_section->vma
+ + sec->output_offset),
+ symval, addend, foff);
+#endif
+
+ if (foff < -0x100000 || foff >= 0x100000)
+ /* After all that work, we can't shorten this function call. */
+ continue;
+
+ /* For simplicity of coding, we are going to modify the section
+ contents, the section relocs, and the BFD symbol table. We
+ must tell the rest of the code not to free up this
+ information. It would be possible to instead create a table
+ of changes which have to be made, as is done in coff-mips.c;
+ that would be more work, but would require less memory when
+ the linker is run. */
+ elf_section_data (sec)->relocs = internal_relocs;
+ elf_section_data (sec)->this_hdr.contents = contents;
+ symtab_hdr->contents = (bfd_byte *) isymbuf;
+
+ /* Replace the long call with a jarl. */
+ irel->r_info = ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_22_PCREL);
+
+ addend = 0;
+
+ if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
+ /* If this needs to be changed because of future relaxing,
+ it will be handled here like other internal IND12W
+ relocs. */
+ bfd_put_32 (abfd,
+ 0x00000780 | (JARL_R2 (insn[2])<<11) | ((addend << 16) & 0xffff) | ((addend >> 16) & 0xf),
+ contents + irel->r_offset);
+ else
+ /* We can't fully resolve this yet, because the external
+ symbol value may be changed by future relaxing.
+ We let the final link phase handle it. */
+ bfd_put_32 (abfd, 0x00000780 | (JARL_R2 (insn[2])<<11),
+ contents + irel->r_offset);
+
+ hi_irelfn->r_info =
+ ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
+ lo_irelfn->r_info =
+ ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
+ irelcall->r_info =
+ ELF32_R_INFO (ELF32_R_SYM (irelcall->r_info), R_V850_NONE);
+
+ if (! v850_elf_relax_delete_bytes (abfd, sec,
+ irel->r_offset + 4, toaddr, 12))
+ goto error_return;
+
+ align_pad_size += 12;
+ }
+ else if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP)
+ {
+ /* Check code for -mlong-jumps output. */
+ if (laddr + 10 <= (bfd_vma) sec->_raw_size)
+ {
+ insn[0] = bfd_get_16 (abfd, contents + laddr);
+ insn[1] = bfd_get_16 (abfd, contents + laddr + 4);
+ insn[2] = bfd_get_16 (abfd, contents + laddr + 8);
+
+ if ((insn[0] & MOVHI_MASK) != MOVHI
+ || MOVHI_R1 (insn[0]) != 0)
+ no_match = 0;
+
+ if (no_match < 0
+ && ((insn[1] & MOVEA_MASK) != MOVEA
+ || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1])))
+ no_match = 1;
+
+ if (no_match < 0
+ && ((insn[2] & JMP_R_MASK) != JMP_R
+ || MOVEA_R2 (insn[1]) != JMP_R1 (insn[2])))
+ no_match = 4;
+ }
+ else
+ {
+ ((*_bfd_error_handler)
+ ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insns",
+ bfd_get_filename (abfd), (unsigned long) irel->r_offset));
+
+ continue;
+ }
+
+ if (no_match >= 0)
+ {
+ ((*_bfd_error_handler)
+ ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insn 0x%x",
+ bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match]));
+
+ continue;
+ }
+
+ /* Get the reloc for the address from which the register is
+ being loaded. This reloc will tell us which function is
+ actually being called. */
+ for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++)
+ if (hi_irelfn->r_offset == laddr + 2
+ && ELF32_R_TYPE (hi_irelfn->r_info) == (int) R_V850_HI16_S)
+ break;
+
+ for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++)
+ if (lo_irelfn->r_offset == laddr + 6
+ && ELF32_R_TYPE (lo_irelfn->r_info) == (int) R_V850_LO16)
+ break;
+
+ if ( hi_irelfn == irelend
+ || lo_irelfn == irelend)
+ {
+ ((*_bfd_error_handler)
+ ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized reloc",
+ bfd_get_filename (abfd), (unsigned long) irel->r_offset ));
+
+ continue;
+ }
+
+ /* Get the value of the symbol referred to by the reloc. */
+ if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
+ {
+ Elf_Internal_Sym * isym;
+ asection * sym_sec;
+
+ /* A local symbol. */
+ isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info);
+
+ if (isym->st_shndx == SHN_UNDEF)
+ sym_sec = bfd_und_section_ptr;
+ else if (isym->st_shndx == SHN_ABS)
+ sym_sec = bfd_abs_section_ptr;
+ else if (isym->st_shndx == SHN_COMMON)
+ sym_sec = bfd_com_section_ptr;
+ else
+ sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
+ symval = (isym->st_value
+ + sym_sec->output_section->vma
+ + sym_sec->output_offset);
+#ifdef DEBUG_RELAX
+ {
+ char * name = bfd_elf_string_from_elf_section
+ (abfd, symtab_hdr->sh_link, isym->st_name);
+
+ fprintf (stderr, "relax long jump local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
+ sym_sec->name, name, isym->st_name,
+ sym_sec->output_section->vma,
+ sym_sec->output_offset,
+ isym->st_value, irel->r_addend);
+ }
+#endif
+ }
+ else
+ {
+ unsigned long indx;
+ struct elf_link_hash_entry * h;
+
+ /* An external symbol. */
+ indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
+ h = elf_sym_hashes (abfd)[indx];
+ BFD_ASSERT (h != NULL);
+
+ if ( h->root.type != bfd_link_hash_defined
+ && h->root.type != bfd_link_hash_defweak)
+ /* This appears to be a reference to an undefined
+ symbol. Just ignore it--it will be caught by the
+ regular reloc processing. */
+ continue;
+
+ symval = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+#ifdef DEBUG_RELAX
+ fprintf (stderr,
+ "relax longjump defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n",
+ sec->name, h->root.root.string, h->root.u.def.value,
+ sec->output_section->vma, sec->output_offset, irel->r_addend);
+#endif
+ }
+
+ addend = irel->r_addend;
+
+ foff = (symval + addend
+ - (irel->r_offset
+ + sec->output_section->vma
+ + sec->output_offset
+ + 4));
+#ifdef DEBUG_RELAX
+ fprintf (stderr, "relax longjump r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n",
+ irel->r_offset,
+ (irel->r_offset
+ + sec->output_section->vma
+ + sec->output_offset),
+ symval, addend, foff);
+#endif
+ if (foff < -0x100000 || foff >= 0x100000)
+ /* After all that work, we can't shorten this function call. */
+ continue;
+
+ /* For simplicity of coding, we are going to modify the section
+ contents, the section relocs, and the BFD symbol table. We
+ must tell the rest of the code not to free up this
+ information. It would be possible to instead create a table
+ of changes which have to be made, as is done in coff-mips.c;
+ that would be more work, but would require less memory when
+ the linker is run. */
+ elf_section_data (sec)->relocs = internal_relocs;
+ elf_section_data (sec)->this_hdr.contents = contents;
+ symtab_hdr->contents = (bfd_byte *) isymbuf;
+
+ if (foff < -0x100 || foff >= 0x100)
+ {
+ /* Replace the long jump with a jr. */
+
+ irel->r_info =
+ ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_22_PCREL);
+
+ irel->r_addend = addend;
+ addend = 0;
+
+ if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
+ /* If this needs to be changed because of future relaxing,
+ it will be handled here like other internal IND12W
+ relocs. */
+ bfd_put_32 (abfd,
+ 0x00000780 | ((addend << 15) & 0xffff0000) | ((addend >> 17) & 0xf),
+ contents + irel->r_offset);
+ else
+ /* We can't fully resolve this yet, because the external
+ symbol value may be changed by future relaxing.
+ We let the final link phase handle it. */
+ bfd_put_32 (abfd, 0x00000780, contents + irel->r_offset);
+
+ hi_irelfn->r_info =
+ ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
+ lo_irelfn->r_info =
+ ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
+ if (!v850_elf_relax_delete_bytes (abfd, sec,
+ irel->r_offset + 4, toaddr, 6))
+ goto error_return;
+
+ align_pad_size += 6;
+ }
+ else
+ {
+ /* Replace the long jump with a br. */
+
+ irel->r_info =
+ ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_9_PCREL);
+
+ irel->r_addend = addend;
+ addend = 0;
+
+ if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
+ /* If this needs to be changed because of future relaxing,
+ it will be handled here like other internal IND12W
+ relocs. */
+ bfd_put_16 (abfd,
+ 0x0585 | ((addend << 10) & 0xf800) | ((addend << 3) & 0x0070),
+ contents + irel->r_offset);
+ else
+ /* We can't fully resolve this yet, because the external
+ symbol value may be changed by future relaxing.
+ We let the final link phase handle it. */
+ bfd_put_16 (abfd, 0x0585, contents + irel->r_offset);
+
+ hi_irelfn->r_info =
+ ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
+ lo_irelfn->r_info =
+ ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
+ if (!v850_elf_relax_delete_bytes (abfd, sec,
+ irel->r_offset + 2, toaddr, 8))
+ goto error_return;
+
+ align_pad_size += 8;
+ }
+ }
+ }
+
+ irelalign = NULL;
+ for (irel = internal_relocs; irel < irelend; irel++)
+ {
+ if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN
+ && irel->r_offset == toaddr)
+ {
+ irel->r_offset -= align_pad_size;
+
+ if (irelalign == NULL || irelalign->r_addend > irel->r_addend)
+ irelalign = irel;
+ }
+ }
+
+ addr = toaddr;
+ }
+
+ if (!irelalign)
+ {
+#ifdef DEBUG_RELAX
+ fprintf (stderr, "relax pad %d shorten %d -> %d\n",
+ align_pad_size,
+ sec->_cooked_size,
+ sec->_cooked_size - align_pad_size);
+#endif
+ sec->_cooked_size -= align_pad_size;
+ }
+
+ finish:
+ if (internal_relocs != NULL
+ && elf_section_data (sec)->relocs != internal_relocs)
+ free (internal_relocs);
+
+ if (contents != NULL
+ && elf_section_data (sec)->this_hdr.contents != (unsigned char *) contents)
+ free (contents);
+
+ if (isymbuf != NULL
+ && symtab_hdr->contents != (bfd_byte *) isymbuf)
+ free (isymbuf);
+
+ return result;
+
+ error_return:
+ result = FALSE;
+ goto finish;
}
\f
#define TARGET_LITTLE_SYM bfd_elf32_v850_vec
#define elf_backend_gc_sweep_hook v850_elf_gc_sweep_hook
#define elf_backend_can_gc_sections 1
+#define elf_backend_rela_normal 1
#define bfd_elf32_bfd_is_local_label_name v850_elf_is_local_label_name
#define bfd_elf32_bfd_reloc_type_lookup v850_elf_reloc_type_lookup
#define bfd_elf32_bfd_merge_private_bfd_data v850_elf_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags v850_elf_set_private_flags
#define bfd_elf32_bfd_print_private_bfd_data v850_elf_print_private_bfd_data
+#define bfd_elf32_bfd_relax_section v850_elf_relax_section
#define elf_symbol_leading_char '_'
projects / binutils.git / blobdiff