/* Motorola 68HC12-specific support for 32-bit ELF
|
/* Motorola 68HC12-specific support for 32-bit ELF
|
Copyright 1999, 2000, 2002 Free Software Foundation, Inc.
|
Copyright 1999, 2000, 2002 Free Software Foundation, Inc.
|
Contributed by Stephane Carrez (stcarrez@nerim.fr)
|
Contributed by Stephane Carrez (stcarrez@nerim.fr)
|
(Heavily copied from the D10V port by Martin Hunt (hunt@cygnus.com))
|
(Heavily copied from the D10V port by Martin Hunt (hunt@cygnus.com))
|
|
|
This file is part of BFD, the Binary File Descriptor library.
|
This file is part of BFD, the Binary File Descriptor library.
|
|
|
This program is free software; you can redistribute it and/or modify
|
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
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 2 of the License, or
|
the Free Software Foundation; either version 2 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
#include "bfd.h"
|
#include "bfd.h"
|
#include "sysdep.h"
|
#include "sysdep.h"
|
#include "libbfd.h"
|
#include "libbfd.h"
|
#include "elf-bfd.h"
|
#include "elf-bfd.h"
|
#include "elf/m68hc11.h"
|
#include "elf/m68hc11.h"
|
#include "opcode/m68hc11.h"
|
#include "opcode/m68hc11.h"
|
|
|
static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
|
static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
|
PARAMS ((bfd *, bfd_reloc_code_real_type));
|
PARAMS ((bfd *, bfd_reloc_code_real_type));
|
static void m68hc11_info_to_howto_rel
|
static void m68hc11_info_to_howto_rel
|
PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
|
PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
|
|
|
static bfd_reloc_status_type m68hc11_elf_ignore_reloc
|
static bfd_reloc_status_type m68hc11_elf_ignore_reloc
|
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
|
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
|
static bfd_reloc_status_type m68hc12_elf_special_reloc
|
static bfd_reloc_status_type m68hc12_elf_special_reloc
|
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
|
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
|
static int m68hc12_addr_is_banked PARAMS ((bfd_vma));
|
static int m68hc12_addr_is_banked PARAMS ((bfd_vma));
|
static bfd_vma m68hc12_phys_addr PARAMS ((bfd_vma));
|
static bfd_vma m68hc12_phys_addr PARAMS ((bfd_vma));
|
static bfd_vma m68hc12_phys_page PARAMS ((bfd_vma));
|
static bfd_vma m68hc12_phys_page PARAMS ((bfd_vma));
|
|
|
/* GC mark and sweep. */
|
/* GC mark and sweep. */
|
static asection *elf32_m68hc11_gc_mark_hook
|
static asection *elf32_m68hc11_gc_mark_hook
|
PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
|
PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
|
struct elf_link_hash_entry *, Elf_Internal_Sym *));
|
struct elf_link_hash_entry *, Elf_Internal_Sym *));
|
static boolean elf32_m68hc11_gc_sweep_hook
|
static boolean elf32_m68hc11_gc_sweep_hook
|
PARAMS ((bfd *, struct bfd_link_info *, asection *,
|
PARAMS ((bfd *, struct bfd_link_info *, asection *,
|
const Elf_Internal_Rela *));
|
const Elf_Internal_Rela *));
|
|
|
boolean _bfd_m68hc12_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *));
|
boolean _bfd_m68hc12_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *));
|
boolean _bfd_m68hc12_elf_set_private_flags PARAMS ((bfd *, flagword));
|
boolean _bfd_m68hc12_elf_set_private_flags PARAMS ((bfd *, flagword));
|
boolean _bfd_m68hc12_elf_print_private_bfd_data PARAMS ((bfd *, PTR));
|
boolean _bfd_m68hc12_elf_print_private_bfd_data PARAMS ((bfd *, PTR));
|
|
|
|
|
|
|
/* Use REL instead of RELA to save space */
|
/* Use REL instead of RELA to save space */
|
#define USE_REL
|
#define USE_REL
|
|
|
/* The Motorola 68HC11 microcontroler only addresses 64Kb.
|
/* The Motorola 68HC11 microcontroler only addresses 64Kb.
|
We must handle 8 and 16-bit relocations. The 32-bit relocation
|
We must handle 8 and 16-bit relocations. The 32-bit relocation
|
is defined but not used except by gas when -gstabs is used (which
|
is defined but not used except by gas when -gstabs is used (which
|
is wrong).
|
is wrong).
|
|
|
The 68HC12 microcontroler has a memory bank switching system
|
The 68HC12 microcontroler has a memory bank switching system
|
with a 16Kb window in the 64Kb address space. The extended memory
|
with a 16Kb window in the 64Kb address space. The extended memory
|
is mapped in the 16Kb window (at 0x8000). The page register controls
|
is mapped in the 16Kb window (at 0x8000). The page register controls
|
which 16Kb bank is mapped. The call/rtc instructions take care of
|
which 16Kb bank is mapped. The call/rtc instructions take care of
|
bank switching in function calls/returns.
|
bank switching in function calls/returns.
|
|
|
For GNU Binutils to work, we consider there is a physical memory
|
For GNU Binutils to work, we consider there is a physical memory
|
at 0..0x0ffff and a kind of virtual memory above that. Symbols
|
at 0..0x0ffff and a kind of virtual memory above that. Symbols
|
in virtual memory have their addresses treated in a special way
|
in virtual memory have their addresses treated in a special way
|
when disassembling and when linking.
|
when disassembling and when linking.
|
|
|
For the linker to work properly, we must always relocate the virtual
|
For the linker to work properly, we must always relocate the virtual
|
memory as if it is mapped at 0x8000. When a 16-bit relocation is
|
memory as if it is mapped at 0x8000. When a 16-bit relocation is
|
made in the virtual memory, we check that it does not cross the
|
made in the virtual memory, we check that it does not cross the
|
memory bank where it is used. This would involve a page change
|
memory bank where it is used. This would involve a page change
|
which would be wrong. The 24-bit relocation is for that and it
|
which would be wrong. The 24-bit relocation is for that and it
|
treats the address as a physical address + page number.
|
treats the address as a physical address + page number.
|
|
|
|
|
Banked
|
Banked
|
Address Space
|
Address Space
|
| | Page n
|
| | Page n
|
+---------------+ 0x1010000
|
+---------------+ 0x1010000
|
| |
|
| |
|
| jsr _foo |
|
| jsr _foo |
|
| .. | Page 3
|
| .. | Page 3
|
| _foo: |
|
| _foo: |
|
+---------------+ 0x100C000
|
+---------------+ 0x100C000
|
| |
|
| |
|
| call _bar |
|
| call _bar |
|
| .. | Page 2
|
| .. | Page 2
|
| _bar: |
|
| _bar: |
|
+---------------+ 0x1008000
|
+---------------+ 0x1008000
|
/------>| |
|
/------>| |
|
| | call _foo | Page 1
|
| | call _foo | Page 1
|
| | |
|
| | |
|
| +---------------+ 0x1004000
|
| +---------------+ 0x1004000
|
Physical | | |
|
Physical | | |
|
Address Space | | | Page 0
|
Address Space | | | Page 0
|
| | |
|
| | |
|
+-----------+ 0x00FFFF | +---------------+ 0x1000000
|
+-----------+ 0x00FFFF | +---------------+ 0x1000000
|
| | |
|
| | |
|
| call _foo | |
|
| call _foo | |
|
| | |
|
| | |
|
+-----------+ 0x00BFFF -+---/
|
+-----------+ 0x00BFFF -+---/
|
| | |
|
| | |
|
| | |
|
| | |
|
| | 16K |
|
| | 16K |
|
| | |
|
| | |
|
+-----------+ 0x008000 -+
|
+-----------+ 0x008000 -+
|
| |
|
| |
|
| |
|
| |
|
= =
|
= =
|
| |
|
| |
|
| |
|
| |
|
+-----------+ 0000
|
+-----------+ 0000
|
|
|
|
|
The 'call _foo' must be relocated with page 3 and 16-bit address
|
The 'call _foo' must be relocated with page 3 and 16-bit address
|
mapped at 0x8000.
|
mapped at 0x8000.
|
|
|
The 3-bit and 16-bit PC rel relocation is only used by 68HC12. */
|
The 3-bit and 16-bit PC rel relocation is only used by 68HC12. */
|
static reloc_howto_type elf_m68hc11_howto_table[] = {
|
static reloc_howto_type elf_m68hc11_howto_table[] = {
|
/* This reloc does nothing. */
|
/* This reloc does nothing. */
|
HOWTO (R_M68HC11_NONE, /* type */
|
HOWTO (R_M68HC11_NONE, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont,/* complain_on_overflow */
|
complain_overflow_dont,/* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_M68HC12_NONE", /* name */
|
"R_M68HC12_NONE", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* A 8 bit absolute relocation */
|
/* A 8 bit absolute relocation */
|
HOWTO (R_M68HC11_8, /* type */
|
HOWTO (R_M68HC11_8, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
8, /* bitsize */
|
8, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_M68HC12_8", /* name */
|
"R_M68HC12_8", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0x00ff, /* src_mask */
|
0x00ff, /* src_mask */
|
0x00ff, /* dst_mask */
|
0x00ff, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* A 8 bit absolute relocation (upper address) */
|
/* A 8 bit absolute relocation (upper address) */
|
HOWTO (R_M68HC11_HI8, /* type */
|
HOWTO (R_M68HC11_HI8, /* type */
|
8, /* rightshift */
|
8, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
8, /* bitsize */
|
8, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_M68HC12_HI8", /* name */
|
"R_M68HC12_HI8", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0x00ff, /* src_mask */
|
0x00ff, /* src_mask */
|
0x00ff, /* dst_mask */
|
0x00ff, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* A 8 bit absolute relocation (upper address) */
|
/* A 8 bit absolute relocation (upper address) */
|
HOWTO (R_M68HC11_LO8, /* type */
|
HOWTO (R_M68HC11_LO8, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
8, /* bitsize */
|
8, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_M68HC12_LO8", /* name */
|
"R_M68HC12_LO8", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0x00ff, /* src_mask */
|
0x00ff, /* src_mask */
|
0x00ff, /* dst_mask */
|
0x00ff, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* A 8 bit PC-rel relocation */
|
/* A 8 bit PC-rel relocation */
|
HOWTO (R_M68HC11_PCREL_8, /* type */
|
HOWTO (R_M68HC11_PCREL_8, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
8, /* bitsize */
|
8, /* bitsize */
|
true, /* pc_relative */
|
true, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_M68HC12_PCREL_8", /* name */
|
"R_M68HC12_PCREL_8", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0x00ff, /* src_mask */
|
0x00ff, /* src_mask */
|
0x00ff, /* dst_mask */
|
0x00ff, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* A 16 bit absolute relocation */
|
/* A 16 bit absolute relocation */
|
HOWTO (R_M68HC11_16, /* type */
|
HOWTO (R_M68HC11_16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont /*bitfield */ , /* complain_on_overflow */
|
complain_overflow_dont /*bitfield */ , /* complain_on_overflow */
|
m68hc12_elf_special_reloc, /* special_function */
|
m68hc12_elf_special_reloc, /* special_function */
|
"R_M68HC12_16", /* name */
|
"R_M68HC12_16", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0xffff, /* src_mask */
|
0xffff, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* A 32 bit absolute relocation. This one is never used for the
|
/* A 32 bit absolute relocation. This one is never used for the
|
code relocation. It's used by gas for -gstabs generation. */
|
code relocation. It's used by gas for -gstabs generation. */
|
HOWTO (R_M68HC11_32, /* type */
|
HOWTO (R_M68HC11_32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_M68HC12_32", /* name */
|
"R_M68HC12_32", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0xffffffff, /* src_mask */
|
0xffffffff, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* A 3 bit absolute relocation */
|
/* A 3 bit absolute relocation */
|
HOWTO (R_M68HC11_3B, /* type */
|
HOWTO (R_M68HC11_3B, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
3, /* bitsize */
|
3, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_M68HC12_4B", /* name */
|
"R_M68HC12_4B", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0x003, /* src_mask */
|
0x003, /* src_mask */
|
0x003, /* dst_mask */
|
0x003, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* A 16 bit PC-rel relocation */
|
/* A 16 bit PC-rel relocation */
|
HOWTO (R_M68HC11_PCREL_16, /* type */
|
HOWTO (R_M68HC11_PCREL_16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
true, /* pc_relative */
|
true, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_M68HC12_PCREL_16", /* name */
|
"R_M68HC12_PCREL_16", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0xffff, /* src_mask */
|
0xffff, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* GNU extension to record C++ vtable hierarchy */
|
/* GNU extension to record C++ vtable hierarchy */
|
HOWTO (R_M68HC11_GNU_VTINHERIT, /* type */
|
HOWTO (R_M68HC11_GNU_VTINHERIT, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
NULL, /* special_function */
|
NULL, /* special_function */
|
"R_M68HC11_GNU_VTINHERIT", /* name */
|
"R_M68HC11_GNU_VTINHERIT", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* GNU extension to record C++ vtable member usage */
|
/* GNU extension to record C++ vtable member usage */
|
HOWTO (R_M68HC11_GNU_VTENTRY, /* type */
|
HOWTO (R_M68HC11_GNU_VTENTRY, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
_bfd_elf_rel_vtable_reloc_fn, /* special_function */
|
_bfd_elf_rel_vtable_reloc_fn, /* special_function */
|
"R_M68HC11_GNU_VTENTRY", /* name */
|
"R_M68HC11_GNU_VTENTRY", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* A 24 bit relocation */
|
/* A 24 bit relocation */
|
HOWTO (R_M68HC11_24, /* type */
|
HOWTO (R_M68HC11_24, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
24, /* bitsize */
|
24, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
m68hc12_elf_special_reloc, /* special_function */
|
m68hc12_elf_special_reloc, /* special_function */
|
"R_M68HC12_24", /* name */
|
"R_M68HC12_24", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0xffff, /* src_mask */
|
0xffff, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* A 16-bit low relocation */
|
/* A 16-bit low relocation */
|
HOWTO (R_M68HC11_LO16, /* type */
|
HOWTO (R_M68HC11_LO16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
m68hc12_elf_special_reloc,/* special_function */
|
m68hc12_elf_special_reloc,/* special_function */
|
"R_M68HC12_LO16", /* name */
|
"R_M68HC12_LO16", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0xffff, /* src_mask */
|
0xffff, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
/* A page relocation */
|
/* A page relocation */
|
HOWTO (R_M68HC11_PAGE, /* type */
|
HOWTO (R_M68HC11_PAGE, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
8, /* bitsize */
|
8, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
m68hc12_elf_special_reloc,/* special_function */
|
m68hc12_elf_special_reloc,/* special_function */
|
"R_M68HC12_PAGE", /* name */
|
"R_M68HC12_PAGE", /* name */
|
false, /* partial_inplace */
|
false, /* partial_inplace */
|
0x00ff, /* src_mask */
|
0x00ff, /* src_mask */
|
0x00ff, /* dst_mask */
|
0x00ff, /* dst_mask */
|
false), /* pcrel_offset */
|
false), /* pcrel_offset */
|
|
|
EMPTY_HOWTO (14),
|
EMPTY_HOWTO (14),
|
EMPTY_HOWTO (15),
|
EMPTY_HOWTO (15),
|
EMPTY_HOWTO (16),
|
EMPTY_HOWTO (16),
|
EMPTY_HOWTO (17),
|
EMPTY_HOWTO (17),
|
EMPTY_HOWTO (18),
|
EMPTY_HOWTO (18),
|
EMPTY_HOWTO (19),
|
EMPTY_HOWTO (19),
|
|
|
/* Mark beginning of a jump instruction (any form). */
|
/* Mark beginning of a jump instruction (any form). */
|
HOWTO (R_M68HC11_RL_JUMP, /* type */
|
HOWTO (R_M68HC11_RL_JUMP, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
m68hc11_elf_ignore_reloc, /* special_function */
|
m68hc11_elf_ignore_reloc, /* special_function */
|
"R_M68HC12_RL_JUMP", /* name */
|
"R_M68HC12_RL_JUMP", /* name */
|
true, /* partial_inplace */
|
true, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
true), /* pcrel_offset */
|
true), /* pcrel_offset */
|
|
|
/* Mark beginning of Gcc relaxation group instruction. */
|
/* Mark beginning of Gcc relaxation group instruction. */
|
HOWTO (R_M68HC11_RL_GROUP, /* type */
|
HOWTO (R_M68HC11_RL_GROUP, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
false, /* pc_relative */
|
false, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
m68hc11_elf_ignore_reloc, /* special_function */
|
m68hc11_elf_ignore_reloc, /* special_function */
|
"R_M68HC12_RL_GROUP", /* name */
|
"R_M68HC12_RL_GROUP", /* name */
|
true, /* partial_inplace */
|
true, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
true), /* pcrel_offset */
|
true), /* pcrel_offset */
|
};
|
};
|
|
|
/* Map BFD reloc types to M68HC11 ELF reloc types. */
|
/* Map BFD reloc types to M68HC11 ELF reloc types. */
|
|
|
struct m68hc11_reloc_map
|
struct m68hc11_reloc_map
|
{
|
{
|
bfd_reloc_code_real_type bfd_reloc_val;
|
bfd_reloc_code_real_type bfd_reloc_val;
|
unsigned char elf_reloc_val;
|
unsigned char elf_reloc_val;
|
};
|
};
|
|
|
static const struct m68hc11_reloc_map m68hc11_reloc_map[] = {
|
static const struct m68hc11_reloc_map m68hc11_reloc_map[] = {
|
{BFD_RELOC_NONE, R_M68HC11_NONE,},
|
{BFD_RELOC_NONE, R_M68HC11_NONE,},
|
{BFD_RELOC_8, R_M68HC11_8},
|
{BFD_RELOC_8, R_M68HC11_8},
|
{BFD_RELOC_M68HC11_HI8, R_M68HC11_HI8},
|
{BFD_RELOC_M68HC11_HI8, R_M68HC11_HI8},
|
{BFD_RELOC_M68HC11_LO8, R_M68HC11_LO8},
|
{BFD_RELOC_M68HC11_LO8, R_M68HC11_LO8},
|
{BFD_RELOC_8_PCREL, R_M68HC11_PCREL_8},
|
{BFD_RELOC_8_PCREL, R_M68HC11_PCREL_8},
|
{BFD_RELOC_16_PCREL, R_M68HC11_PCREL_16},
|
{BFD_RELOC_16_PCREL, R_M68HC11_PCREL_16},
|
{BFD_RELOC_16, R_M68HC11_16},
|
{BFD_RELOC_16, R_M68HC11_16},
|
{BFD_RELOC_32, R_M68HC11_32},
|
{BFD_RELOC_32, R_M68HC11_32},
|
{BFD_RELOC_M68HC11_3B, R_M68HC11_3B},
|
{BFD_RELOC_M68HC11_3B, R_M68HC11_3B},
|
|
|
{BFD_RELOC_VTABLE_INHERIT, R_M68HC11_GNU_VTINHERIT},
|
{BFD_RELOC_VTABLE_INHERIT, R_M68HC11_GNU_VTINHERIT},
|
{BFD_RELOC_VTABLE_ENTRY, R_M68HC11_GNU_VTENTRY},
|
{BFD_RELOC_VTABLE_ENTRY, R_M68HC11_GNU_VTENTRY},
|
|
|
{BFD_RELOC_M68HC11_LO16, R_M68HC11_LO16},
|
{BFD_RELOC_M68HC11_LO16, R_M68HC11_LO16},
|
{BFD_RELOC_M68HC11_PAGE, R_M68HC11_PAGE},
|
{BFD_RELOC_M68HC11_PAGE, R_M68HC11_PAGE},
|
{BFD_RELOC_M68HC11_24, R_M68HC11_24},
|
{BFD_RELOC_M68HC11_24, R_M68HC11_24},
|
|
|
{BFD_RELOC_M68HC11_RL_JUMP, R_M68HC11_RL_JUMP},
|
{BFD_RELOC_M68HC11_RL_JUMP, R_M68HC11_RL_JUMP},
|
{BFD_RELOC_M68HC11_RL_GROUP, R_M68HC11_RL_GROUP},
|
{BFD_RELOC_M68HC11_RL_GROUP, R_M68HC11_RL_GROUP},
|
};
|
};
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
bfd_elf32_bfd_reloc_type_lookup (abfd, code)
|
bfd_elf32_bfd_reloc_type_lookup (abfd, code)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd_reloc_code_real_type code;
|
bfd_reloc_code_real_type code;
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0;
|
for (i = 0;
|
i < sizeof (m68hc11_reloc_map) / sizeof (struct m68hc11_reloc_map);
|
i < sizeof (m68hc11_reloc_map) / sizeof (struct m68hc11_reloc_map);
|
i++)
|
i++)
|
{
|
{
|
if (m68hc11_reloc_map[i].bfd_reloc_val == code)
|
if (m68hc11_reloc_map[i].bfd_reloc_val == code)
|
return &elf_m68hc11_howto_table[m68hc11_reloc_map[i].elf_reloc_val];
|
return &elf_m68hc11_howto_table[m68hc11_reloc_map[i].elf_reloc_val];
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* This function is used for relocs which are only used for relaxing,
|
/* This function is used for relocs which are only used for relaxing,
|
which the linker should otherwise ignore. */
|
which the linker should otherwise ignore. */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
m68hc11_elf_ignore_reloc (abfd, reloc_entry, symbol, data, input_section,
|
m68hc11_elf_ignore_reloc (abfd, reloc_entry, symbol, data, input_section,
|
output_bfd, error_message)
|
output_bfd, error_message)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
arelent *reloc_entry;
|
arelent *reloc_entry;
|
asymbol *symbol ATTRIBUTE_UNUSED;
|
asymbol *symbol ATTRIBUTE_UNUSED;
|
PTR data ATTRIBUTE_UNUSED;
|
PTR data ATTRIBUTE_UNUSED;
|
asection *input_section;
|
asection *input_section;
|
bfd *output_bfd;
|
bfd *output_bfd;
|
char **error_message ATTRIBUTE_UNUSED;
|
char **error_message ATTRIBUTE_UNUSED;
|
{
|
{
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
static int
|
static int
|
m68hc12_addr_is_banked (addr)
|
m68hc12_addr_is_banked (addr)
|
bfd_vma addr;
|
bfd_vma addr;
|
{
|
{
|
return (addr >= M68HC12_BANK_VIRT) ? 1 : 0;
|
return (addr >= M68HC12_BANK_VIRT) ? 1 : 0;
|
}
|
}
|
|
|
/* Return the physical address seen by the processor, taking
|
/* Return the physical address seen by the processor, taking
|
into account banked memory. */
|
into account banked memory. */
|
static bfd_vma
|
static bfd_vma
|
m68hc12_phys_addr (addr)
|
m68hc12_phys_addr (addr)
|
bfd_vma addr;
|
bfd_vma addr;
|
{
|
{
|
if (addr < M68HC12_BANK_VIRT)
|
if (addr < M68HC12_BANK_VIRT)
|
return addr;
|
return addr;
|
|
|
/* Map the address to the memory bank. */
|
/* Map the address to the memory bank. */
|
addr -= M68HC12_BANK_VIRT;
|
addr -= M68HC12_BANK_VIRT;
|
addr &= M68HC12_BANK_MASK;
|
addr &= M68HC12_BANK_MASK;
|
addr += M68HC12_BANK_BASE;
|
addr += M68HC12_BANK_BASE;
|
return addr;
|
return addr;
|
}
|
}
|
|
|
/* Return the page number corresponding to an address in banked memory. */
|
/* Return the page number corresponding to an address in banked memory. */
|
static bfd_vma
|
static bfd_vma
|
m68hc12_phys_page (addr)
|
m68hc12_phys_page (addr)
|
bfd_vma addr;
|
bfd_vma addr;
|
{
|
{
|
if (addr < M68HC12_BANK_VIRT)
|
if (addr < M68HC12_BANK_VIRT)
|
return 0;
|
return 0;
|
|
|
/* Map the address to the memory bank. */
|
/* Map the address to the memory bank. */
|
addr -= M68HC12_BANK_VIRT;
|
addr -= M68HC12_BANK_VIRT;
|
addr >>= M68HC12_BANK_SHIFT;
|
addr >>= M68HC12_BANK_SHIFT;
|
addr &= M68HC12_BANK_PAGE_MASK;
|
addr &= M68HC12_BANK_PAGE_MASK;
|
return addr;
|
return addr;
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
m68hc12_elf_special_reloc (abfd, reloc_entry, symbol, data, input_section,
|
m68hc12_elf_special_reloc (abfd, reloc_entry, symbol, data, input_section,
|
output_bfd, error_message)
|
output_bfd, error_message)
|
bfd *abfd;
|
bfd *abfd;
|
arelent *reloc_entry;
|
arelent *reloc_entry;
|
asymbol *symbol;
|
asymbol *symbol;
|
PTR data;
|
PTR data;
|
asection *input_section;
|
asection *input_section;
|
bfd *output_bfd;
|
bfd *output_bfd;
|
char **error_message ATTRIBUTE_UNUSED;
|
char **error_message ATTRIBUTE_UNUSED;
|
{
|
{
|
reloc_howto_type *howto;
|
reloc_howto_type *howto;
|
bfd_vma relocation;
|
bfd_vma relocation;
|
bfd_vma phys_addr;
|
bfd_vma phys_addr;
|
bfd_vma phys_page;
|
bfd_vma phys_page;
|
bfd_vma insn_page;
|
bfd_vma insn_page;
|
bfd_vma insn_addr;
|
bfd_vma insn_addr;
|
|
|
if (output_bfd != (bfd *) NULL
|
if (output_bfd != (bfd *) NULL
|
&& (symbol->flags & BSF_SECTION_SYM) == 0
|
&& (symbol->flags & BSF_SECTION_SYM) == 0
|
&& (! reloc_entry->howto->partial_inplace
|
&& (! reloc_entry->howto->partial_inplace
|
|| reloc_entry->addend == 0))
|
|| reloc_entry->addend == 0))
|
{
|
{
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
|
|
if (reloc_entry->address > input_section->_cooked_size)
|
if (reloc_entry->address > input_section->_cooked_size)
|
return bfd_reloc_outofrange;
|
return bfd_reloc_outofrange;
|
|
|
/* Compute relocation. */
|
/* Compute relocation. */
|
relocation = (symbol->value
|
relocation = (symbol->value
|
+ symbol->section->output_section->vma
|
+ symbol->section->output_section->vma
|
+ symbol->section->output_offset);
|
+ symbol->section->output_offset);
|
relocation += reloc_entry->addend;
|
relocation += reloc_entry->addend;
|
relocation += bfd_get_16 (abfd, (bfd_byte*) data + reloc_entry->address);
|
relocation += bfd_get_16 (abfd, (bfd_byte*) data + reloc_entry->address);
|
|
|
/* Do the memory bank mapping. */
|
/* Do the memory bank mapping. */
|
phys_addr = m68hc12_phys_addr (relocation);
|
phys_addr = m68hc12_phys_addr (relocation);
|
phys_page = m68hc12_phys_page (relocation);
|
phys_page = m68hc12_phys_page (relocation);
|
|
|
howto = reloc_entry->howto;
|
howto = reloc_entry->howto;
|
if (howto->complain_on_overflow != complain_overflow_dont
|
if (howto->complain_on_overflow != complain_overflow_dont
|
&& (phys_addr & (((bfd_vma) -1) << 16)))
|
&& (phys_addr & (((bfd_vma) -1) << 16)))
|
return bfd_reloc_overflow;
|
return bfd_reloc_overflow;
|
|
|
switch (howto->type)
|
switch (howto->type)
|
{
|
{
|
case R_M68HC11_16:
|
case R_M68HC11_16:
|
/* Get virtual address of instruction having the relocation. */
|
/* Get virtual address of instruction having the relocation. */
|
insn_addr = input_section->output_section->vma
|
insn_addr = input_section->output_section->vma
|
+ input_section->output_offset
|
+ input_section->output_offset
|
+ reloc_entry->address;
|
+ reloc_entry->address;
|
|
|
insn_page = m68hc12_phys_page (insn_addr);
|
insn_page = m68hc12_phys_page (insn_addr);
|
|
|
if (m68hc12_addr_is_banked (relocation)
|
if (m68hc12_addr_is_banked (relocation)
|
&& m68hc12_addr_is_banked (insn_addr)
|
&& m68hc12_addr_is_banked (insn_addr)
|
&& phys_page != insn_page)
|
&& phys_page != insn_page)
|
{
|
{
|
*error_message = _("address is not in the same bank");
|
*error_message = _("address is not in the same bank");
|
return bfd_reloc_dangerous;
|
return bfd_reloc_dangerous;
|
}
|
}
|
if (m68hc12_addr_is_banked (relocation)
|
if (m68hc12_addr_is_banked (relocation)
|
&& !m68hc12_addr_is_banked (insn_addr))
|
&& !m68hc12_addr_is_banked (insn_addr))
|
{
|
{
|
*error_message = _("reference to a banked address in "
|
*error_message = _("reference to a banked address in "
|
"the normal address space");
|
"the normal address space");
|
return bfd_reloc_dangerous;
|
return bfd_reloc_dangerous;
|
}
|
}
|
|
|
case R_M68HC11_LO16:
|
case R_M68HC11_LO16:
|
bfd_put_16 (abfd, phys_addr, (bfd_byte*) data + reloc_entry->address);
|
bfd_put_16 (abfd, phys_addr, (bfd_byte*) data + reloc_entry->address);
|
break;
|
break;
|
|
|
case R_M68HC11_24:
|
case R_M68HC11_24:
|
bfd_put_16 (abfd, phys_addr, (bfd_byte*) data + reloc_entry->address);
|
bfd_put_16 (abfd, phys_addr, (bfd_byte*) data + reloc_entry->address);
|
bfd_put_8 (abfd, phys_page, (bfd_byte*) data + reloc_entry->address + 2);
|
bfd_put_8 (abfd, phys_page, (bfd_byte*) data + reloc_entry->address + 2);
|
break;
|
break;
|
|
|
case R_M68HC11_PAGE:
|
case R_M68HC11_PAGE:
|
bfd_put_8 (abfd, phys_page, (bfd_byte*) data + reloc_entry->address);
|
bfd_put_8 (abfd, phys_page, (bfd_byte*) data + reloc_entry->address);
|
break;
|
break;
|
|
|
default:
|
default:
|
abort ();
|
abort ();
|
break;
|
break;
|
}
|
}
|
|
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
/* Set the howto pointer for an M68HC11 ELF reloc. */
|
/* Set the howto pointer for an M68HC11 ELF reloc. */
|
|
|
static void
|
static void
|
m68hc11_info_to_howto_rel (abfd, cache_ptr, dst)
|
m68hc11_info_to_howto_rel (abfd, cache_ptr, dst)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
arelent *cache_ptr;
|
arelent *cache_ptr;
|
Elf32_Internal_Rel *dst;
|
Elf32_Internal_Rel *dst;
|
{
|
{
|
unsigned int r_type;
|
unsigned int r_type;
|
|
|
r_type = ELF32_R_TYPE (dst->r_info);
|
r_type = ELF32_R_TYPE (dst->r_info);
|
BFD_ASSERT (r_type < (unsigned int) R_M68HC11_max);
|
BFD_ASSERT (r_type < (unsigned int) R_M68HC11_max);
|
cache_ptr->howto = &elf_m68hc11_howto_table[r_type];
|
cache_ptr->howto = &elf_m68hc11_howto_table[r_type];
|
}
|
}
|
|
|
static asection *
|
static asection *
|
elf32_m68hc11_gc_mark_hook (sec, info, rel, h, sym)
|
elf32_m68hc11_gc_mark_hook (sec, info, rel, h, sym)
|
asection *sec;
|
asection *sec;
|
struct bfd_link_info *info ATTRIBUTE_UNUSED;
|
struct bfd_link_info *info ATTRIBUTE_UNUSED;
|
Elf_Internal_Rela *rel;
|
Elf_Internal_Rela *rel;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
{
|
{
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
switch (ELF32_R_TYPE (rel->r_info))
|
switch (ELF32_R_TYPE (rel->r_info))
|
{
|
{
|
default:
|
default:
|
switch (h->root.type)
|
switch (h->root.type)
|
{
|
{
|
case bfd_link_hash_defined:
|
case bfd_link_hash_defined:
|
case bfd_link_hash_defweak:
|
case bfd_link_hash_defweak:
|
return h->root.u.def.section;
|
return h->root.u.def.section;
|
|
|
case bfd_link_hash_common:
|
case bfd_link_hash_common:
|
return h->root.u.c.p->section;
|
return h->root.u.c.p->section;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
else
|
else
|
return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
|
return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
static boolean
|
static boolean
|
elf32_m68hc11_gc_sweep_hook (abfd, info, sec, relocs)
|
elf32_m68hc11_gc_sweep_hook (abfd, info, sec, relocs)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
struct bfd_link_info *info ATTRIBUTE_UNUSED;
|
struct bfd_link_info *info ATTRIBUTE_UNUSED;
|
asection *sec ATTRIBUTE_UNUSED;
|
asection *sec ATTRIBUTE_UNUSED;
|
const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED;
|
const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED;
|
{
|
{
|
/* We don't use got and plt entries for 68hc11/68hc12. */
|
/* We don't use got and plt entries for 68hc11/68hc12. */
|
return true;
|
return true;
|
}
|
}
|
|
|
|
|
/* Set and control ELF flags in ELF header. */
|
/* Set and control ELF flags in ELF header. */
|
|
|
boolean
|
boolean
|
_bfd_m68hc12_elf_set_private_flags (abfd, flags)
|
_bfd_m68hc12_elf_set_private_flags (abfd, flags)
|
bfd *abfd;
|
bfd *abfd;
|
flagword flags;
|
flagword flags;
|
{
|
{
|
BFD_ASSERT (!elf_flags_init (abfd)
|
BFD_ASSERT (!elf_flags_init (abfd)
|
|| elf_elfheader (abfd)->e_flags == flags);
|
|| elf_elfheader (abfd)->e_flags == flags);
|
|
|
elf_elfheader (abfd)->e_flags = flags;
|
elf_elfheader (abfd)->e_flags = flags;
|
elf_flags_init (abfd) = true;
|
elf_flags_init (abfd) = true;
|
return true;
|
return true;
|
}
|
}
|
|
|
/* Merge backend specific data from an object file to the output
|
/* Merge backend specific data from an object file to the output
|
object file when linking. */
|
object file when linking. */
|
|
|
boolean
|
boolean
|
_bfd_m68hc12_elf_merge_private_bfd_data (ibfd, obfd)
|
_bfd_m68hc12_elf_merge_private_bfd_data (ibfd, obfd)
|
bfd *ibfd;
|
bfd *ibfd;
|
bfd *obfd;
|
bfd *obfd;
|
{
|
{
|
flagword old_flags;
|
flagword old_flags;
|
flagword new_flags;
|
flagword new_flags;
|
boolean ok = true;
|
boolean ok = true;
|
|
|
/* Check if we have the same endianess */
|
/* Check if we have the same endianess */
|
if (_bfd_generic_verify_endian_match (ibfd, obfd) == false)
|
if (_bfd_generic_verify_endian_match (ibfd, obfd) == false)
|
return false;
|
return false;
|
|
|
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
|
return true;
|
return true;
|
|
|
new_flags = elf_elfheader (ibfd)->e_flags;
|
new_flags = elf_elfheader (ibfd)->e_flags;
|
elf_elfheader (obfd)->e_flags |= new_flags & EF_M68HC11_ABI;
|
elf_elfheader (obfd)->e_flags |= new_flags & EF_M68HC11_ABI;
|
old_flags = elf_elfheader (obfd)->e_flags;
|
old_flags = elf_elfheader (obfd)->e_flags;
|
|
|
if (! elf_flags_init (obfd))
|
if (! elf_flags_init (obfd))
|
{
|
{
|
elf_flags_init (obfd) = true;
|
elf_flags_init (obfd) = true;
|
elf_elfheader (obfd)->e_flags = new_flags;
|
elf_elfheader (obfd)->e_flags = new_flags;
|
elf_elfheader (obfd)->e_ident[EI_CLASS]
|
elf_elfheader (obfd)->e_ident[EI_CLASS]
|
= elf_elfheader (ibfd)->e_ident[EI_CLASS];
|
= elf_elfheader (ibfd)->e_ident[EI_CLASS];
|
|
|
if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
|
if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
|
&& bfd_get_arch_info (obfd)->the_default)
|
&& bfd_get_arch_info (obfd)->the_default)
|
{
|
{
|
if (! bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
|
if (! bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
|
bfd_get_mach (ibfd)))
|
bfd_get_mach (ibfd)))
|
return false;
|
return false;
|
}
|
}
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
/* Check ABI compatibility. */
|
/* Check ABI compatibility. */
|
if ((new_flags & E_M68HC11_I32) != (old_flags & E_M68HC11_I32))
|
if ((new_flags & E_M68HC11_I32) != (old_flags & E_M68HC11_I32))
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%s: linking files compiled for 16-bit integers (-mshort) "
|
(_("%s: linking files compiled for 16-bit integers (-mshort) "
|
"and others for 32-bit integers"),
|
"and others for 32-bit integers"),
|
bfd_archive_filename (ibfd));
|
bfd_archive_filename (ibfd));
|
ok = false;
|
ok = false;
|
}
|
}
|
if ((new_flags & E_M68HC11_F64) != (old_flags & E_M68HC11_F64))
|
if ((new_flags & E_M68HC11_F64) != (old_flags & E_M68HC11_F64))
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%s: linking files compiled for 32-bit double (-fshort-double) "
|
(_("%s: linking files compiled for 32-bit double (-fshort-double) "
|
"and others for 64-bit double"),
|
"and others for 64-bit double"),
|
bfd_archive_filename (ibfd));
|
bfd_archive_filename (ibfd));
|
ok = false;
|
ok = false;
|
}
|
}
|
new_flags &= ~EF_M68HC11_ABI;
|
new_flags &= ~EF_M68HC11_ABI;
|
old_flags &= ~EF_M68HC11_ABI;
|
old_flags &= ~EF_M68HC11_ABI;
|
|
|
/* Warn about any other mismatches */
|
/* Warn about any other mismatches */
|
if (new_flags != old_flags)
|
if (new_flags != old_flags)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)"),
|
(_("%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)"),
|
bfd_archive_filename (ibfd), (unsigned long) new_flags,
|
bfd_archive_filename (ibfd), (unsigned long) new_flags,
|
(unsigned long) old_flags);
|
(unsigned long) old_flags);
|
ok = false;
|
ok = false;
|
}
|
}
|
|
|
if (! ok)
|
if (! ok)
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return false;
|
return false;
|
}
|
}
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
boolean
|
boolean
|
_bfd_m68hc12_elf_print_private_bfd_data (abfd, ptr)
|
_bfd_m68hc12_elf_print_private_bfd_data (abfd, ptr)
|
bfd *abfd;
|
bfd *abfd;
|
PTR ptr;
|
PTR ptr;
|
{
|
{
|
FILE *file = (FILE *) ptr;
|
FILE *file = (FILE *) ptr;
|
|
|
BFD_ASSERT (abfd != NULL && ptr != NULL);
|
BFD_ASSERT (abfd != NULL && ptr != NULL);
|
|
|
/* Print normal ELF private data. */
|
/* Print normal ELF private data. */
|
_bfd_elf_print_private_bfd_data (abfd, ptr);
|
_bfd_elf_print_private_bfd_data (abfd, ptr);
|
|
|
/* xgettext:c-format */
|
/* xgettext:c-format */
|
fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
|
fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
|
|
|
if (elf_elfheader (abfd)->e_flags & E_M68HC11_I32)
|
if (elf_elfheader (abfd)->e_flags & E_M68HC11_I32)
|
fprintf (file, _("[abi=32-bit int,"));
|
fprintf (file, _("[abi=32-bit int,"));
|
else
|
else
|
fprintf (file, _("[abi=16-bit int,"));
|
fprintf (file, _("[abi=16-bit int,"));
|
|
|
if (elf_elfheader (abfd)->e_flags & E_M68HC11_F64)
|
if (elf_elfheader (abfd)->e_flags & E_M68HC11_F64)
|
fprintf (file, _(" 64-bit double]"));
|
fprintf (file, _(" 64-bit double]"));
|
else
|
else
|
fprintf (file, _(" 32-bit double]"));
|
fprintf (file, _(" 32-bit double]"));
|
|
|
fputc ('\n', file);
|
fputc ('\n', file);
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
/* Below is the only difference between elf32-m68hc12.c and elf32-m68hc11.c.
|
/* Below is the only difference between elf32-m68hc12.c and elf32-m68hc11.c.
|
The Motorola spec says to use a different Elf machine code. */
|
The Motorola spec says to use a different Elf machine code. */
|
#define ELF_ARCH bfd_arch_m68hc12
|
#define ELF_ARCH bfd_arch_m68hc12
|
#define ELF_MACHINE_CODE EM_68HC12
|
#define ELF_MACHINE_CODE EM_68HC12
|
#define ELF_MAXPAGESIZE 0x1000
|
#define ELF_MAXPAGESIZE 0x1000
|
|
|
#define TARGET_BIG_SYM bfd_elf32_m68hc12_vec
|
#define TARGET_BIG_SYM bfd_elf32_m68hc12_vec
|
#define TARGET_BIG_NAME "elf32-m68hc12"
|
#define TARGET_BIG_NAME "elf32-m68hc12"
|
|
|
#define elf_info_to_howto 0
|
#define elf_info_to_howto 0
|
#define elf_info_to_howto_rel m68hc11_info_to_howto_rel
|
#define elf_info_to_howto_rel m68hc11_info_to_howto_rel
|
#define elf_backend_gc_mark_hook elf32_m68hc11_gc_mark_hook
|
#define elf_backend_gc_mark_hook elf32_m68hc11_gc_mark_hook
|
#define elf_backend_gc_sweep_hook elf32_m68hc11_gc_sweep_hook
|
#define elf_backend_gc_sweep_hook elf32_m68hc11_gc_sweep_hook
|
#define elf_backend_object_p 0
|
#define elf_backend_object_p 0
|
#define elf_backend_final_write_processing 0
|
#define elf_backend_final_write_processing 0
|
/* Disabled as this backend uses the generic linker. */
|
/* Disabled as this backend uses the generic linker. */
|
#define elf_backend_can_gc_sections 0
|
#define elf_backend_can_gc_sections 0
|
|
|
#define bfd_elf32_bfd_merge_private_bfd_data \
|
#define bfd_elf32_bfd_merge_private_bfd_data \
|
_bfd_m68hc12_elf_merge_private_bfd_data
|
_bfd_m68hc12_elf_merge_private_bfd_data
|
#define bfd_elf32_bfd_set_private_flags _bfd_m68hc12_elf_set_private_flags
|
#define bfd_elf32_bfd_set_private_flags _bfd_m68hc12_elf_set_private_flags
|
#define bfd_elf32_bfd_print_private_bfd_data \
|
#define bfd_elf32_bfd_print_private_bfd_data \
|
_bfd_m68hc12_elf_print_private_bfd_data
|
_bfd_m68hc12_elf_print_private_bfd_data
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
