diff options
Diffstat (limited to 'binutils-2.25/bfd/elf32-m68hc12.c')
| -rw-r--r-- | binutils-2.25/bfd/elf32-m68hc12.c | 667 |
1 files changed, 667 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/elf32-m68hc12.c b/binutils-2.25/bfd/elf32-m68hc12.c new file mode 100644 index 00000000..2b5a1b38 --- /dev/null +++ b/binutils-2.25/bfd/elf32-m68hc12.c @@ -0,0 +1,667 @@ +/* Motorola 68HC12-specific support for 32-bit ELF + Copyright 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2010, 2012 + Free Software Foundation, Inc. + Contributed by Stephane Carrez (stcarrez@nerim.fr) + (Heavily copied from the D10V port by Martin Hunt (hunt@cygnus.com)) + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#include "sysdep.h" +#include "bfd.h" +#include "bfdlink.h" +#include "libbfd.h" +#include "elf-bfd.h" +#include "elf32-m68hc1x.h" +#include "elf/m68hc11.h" +#include "opcode/m68hc11.h" + +/* Relocation functions. */ +static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup + (bfd *, bfd_reloc_code_real_type); +static void m68hc11_info_to_howto_rel + (bfd *, arelent *, Elf_Internal_Rela *); + +/* Trampoline generation. */ + + +/* Use REL instead of RELA to save space */ +#define USE_REL 1 + +/* The 68HC12 microcontroler has a memory bank switching system + with a 16Kb window in the 64Kb address space. The extended memory + is mapped in the 16Kb window (at 0x8000). The page register controls + which 16Kb bank is mapped. The call/rtc instructions take care of + bank switching in function calls/returns. + + For GNU Binutils to work, we consider there is a physical memory + at 0..0x0ffff and a kind of virtual memory above that. Symbols + in virtual memory have their addresses treated in a special way + when disassembling and when linking. + + 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 + 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 + which would be wrong. The 24-bit relocation is for that and it + treats the address as a physical address + page number. + + + Banked + Address Space + | | Page n + +---------------+ 0x1010000 + | | + | jsr _foo | + | .. | Page 3 + | _foo: | + +---------------+ 0x100C000 + | | + | call _bar | + | .. | Page 2 + | _bar: | + +---------------+ 0x1008000 + /------>| | + | | call _foo | Page 1 + | | | + | +---------------+ 0x1004000 + Physical | | | + Address Space | | | Page 0 + | | | + +-----------+ 0x00FFFF | +---------------+ 0x1000000 + | | | + | call _foo | | + | | | + +-----------+ 0x00BFFF -+---/ + | | | + | | | + | | 16K | + | | | + +-----------+ 0x008000 -+ + | | + | | + = = + | | + | | + +-----------+ 0000 + + + The 'call _foo' must be relocated with page 3 and 16-bit address + mapped at 0x8000. + + The 3-bit and 16-bit PC rel relocation is only used by 68HC12. */ +static reloc_howto_type elf_m68hc11_howto_table[] = { + /* This reloc does nothing. */ + HOWTO (R_M68HC11_NONE, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont,/* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_NONE", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A 8 bit absolute relocation */ + HOWTO (R_M68HC11_8, /* type */ + 0, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 8, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_8", /* name */ + FALSE, /* partial_inplace */ + 0x00ff, /* src_mask */ + 0x00ff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A 8 bit absolute relocation (upper address) */ + HOWTO (R_M68HC11_HI8, /* type */ + 8, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 8, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_HI8", /* name */ + FALSE, /* partial_inplace */ + 0x00ff, /* src_mask */ + 0x00ff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A 8 bit absolute relocation (upper address) */ + HOWTO (R_M68HC11_LO8, /* type */ + 0, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 8, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_LO8", /* name */ + FALSE, /* partial_inplace */ + 0x00ff, /* src_mask */ + 0x00ff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A 8 bit PC-rel relocation */ + HOWTO (R_M68HC11_PCREL_8, /* type */ + 0, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 8, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_PCREL_8", /* name */ + FALSE, /* partial_inplace */ + 0x00ff, /* src_mask */ + 0x00ff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + /* A 16 bit absolute relocation */ + HOWTO (R_M68HC11_16, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont /*bitfield */ , /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_16", /* name */ + FALSE, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A 32 bit absolute relocation. This one is never used for the + code relocation. It's used by gas for -gstabs generation. */ + HOWTO (R_M68HC11_32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_32", /* name */ + FALSE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A 3 bit absolute relocation */ + HOWTO (R_M68HC11_3B, /* type */ + 0, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 3, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_4B", /* name */ + FALSE, /* partial_inplace */ + 0x003, /* src_mask */ + 0x003, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A 16 bit PC-rel relocation */ + HOWTO (R_M68HC11_PCREL_16, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_PCREL_16", /* name */ + FALSE, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + /* GNU extension to record C++ vtable hierarchy */ + HOWTO (R_M68HC11_GNU_VTINHERIT, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 0, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + NULL, /* special_function */ + "R_M68HC11_GNU_VTINHERIT", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* GNU extension to record C++ vtable member usage */ + HOWTO (R_M68HC11_GNU_VTENTRY, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 0, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_elf_rel_vtable_reloc_fn, /* special_function */ + "R_M68HC11_GNU_VTENTRY", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A 24 bit relocation */ + HOWTO (R_M68HC11_24, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 24, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + m68hc11_elf_special_reloc, /* special_function */ + "R_M68HC12_24", /* name */ + FALSE, /* partial_inplace */ + 0xffffff, /* src_mask */ + 0xffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A 16-bit low relocation */ + HOWTO (R_M68HC11_LO16, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + m68hc11_elf_special_reloc,/* special_function */ + "R_M68HC12_LO16", /* name */ + FALSE, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A page relocation */ + HOWTO (R_M68HC11_PAGE, /* type */ + 0, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 8, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + m68hc11_elf_special_reloc,/* special_function */ + "R_M68HC12_PAGE", /* name */ + FALSE, /* partial_inplace */ + 0x00ff, /* src_mask */ + 0x00ff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (14), + + /* A 16 bit absolute relocation. */ + HOWTO (R_M68HC12_16B, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_16B", /* name */ + FALSE, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A 9 bit PC-rel relocation. */ + HOWTO (R_M68HC12_PCREL_9, /* type */ + 1, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 10, /* bitsize (result is >>1) */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_PCREL_9", /* name */ + TRUE, /* partial_inplace */ + 0xfe00, /* src_mask */ + 0x01ff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + /* A 10 bit PC-rel relocation. */ + HOWTO (R_M68HC12_PCREL_10, /* type */ + 1, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 11, /* bitsize (result is >>1) */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_PCREL_10", /* name */ + TRUE, /* partial_inplace */ + 0xfc00, /* src_mask */ + 0x03ff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + /* A 8 bit absolute relocation (upper address). */ + HOWTO (R_M68HC12_HI8XG, /* type */ + 8, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 8, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_HI8XG", /* name */ + FALSE, /* partial_inplace */ + 0x00ff, /* src_mask */ + 0x00ff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A 8 bit absolute relocation (lower address). */ + HOWTO (R_M68HC12_LO8XG, /* type */ + 8, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 8, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_M68HC12_LO8XG", /* name */ + FALSE, /* partial_inplace */ + 0x00ff, /* src_mask */ + 0x00ff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* Mark beginning of a jump instruction (any form). */ + HOWTO (R_M68HC11_RL_JUMP, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 0, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + m68hc11_elf_ignore_reloc, /* special_function */ + "R_M68HC12_RL_JUMP", /* name */ + TRUE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + TRUE), /* pcrel_offset */ + + /* Mark beginning of Gcc relaxation group instruction. */ + HOWTO (R_M68HC11_RL_GROUP, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 0, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + m68hc11_elf_ignore_reloc, /* special_function */ + "R_M68HC12_RL_GROUP", /* name */ + TRUE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + TRUE), /* pcrel_offset */ +}; + +/* Map BFD reloc types to M68HC11 ELF reloc types. */ + +struct m68hc11_reloc_map +{ + bfd_reloc_code_real_type bfd_reloc_val; + unsigned char elf_reloc_val; +}; + +static const struct m68hc11_reloc_map m68hc11_reloc_map[] = +{ + {BFD_RELOC_NONE, R_M68HC11_NONE,}, + {BFD_RELOC_8, R_M68HC11_8}, + {BFD_RELOC_M68HC11_HI8, R_M68HC11_HI8}, + {BFD_RELOC_M68HC11_LO8, R_M68HC11_LO8}, + {BFD_RELOC_8_PCREL, R_M68HC11_PCREL_8}, + {BFD_RELOC_16_PCREL, R_M68HC11_PCREL_16}, + {BFD_RELOC_16, R_M68HC11_16}, + {BFD_RELOC_32, R_M68HC11_32}, + {BFD_RELOC_M68HC11_3B, R_M68HC11_3B}, + + {BFD_RELOC_VTABLE_INHERIT, R_M68HC11_GNU_VTINHERIT}, + {BFD_RELOC_VTABLE_ENTRY, R_M68HC11_GNU_VTENTRY}, + + {BFD_RELOC_M68HC11_LO16, R_M68HC11_LO16}, + {BFD_RELOC_M68HC11_PAGE, R_M68HC11_PAGE}, + {BFD_RELOC_M68HC11_24, R_M68HC11_24}, + + {BFD_RELOC_M68HC11_RL_JUMP, R_M68HC11_RL_JUMP}, + {BFD_RELOC_M68HC11_RL_GROUP, R_M68HC11_RL_GROUP}, + + {BFD_RELOC_M68HC12_16B, R_M68HC12_16B}, + + {BFD_RELOC_M68HC12_9_PCREL, R_M68HC12_PCREL_9}, + {BFD_RELOC_M68HC12_10_PCREL, R_M68HC12_PCREL_10}, + {BFD_RELOC_M68HC12_HI8XG, R_M68HC12_HI8XG}, + {BFD_RELOC_M68HC12_LO8XG, R_M68HC12_LO8XG}, +}; + +static reloc_howto_type * +bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, + bfd_reloc_code_real_type code) +{ + unsigned int i; + + for (i = 0; + i < sizeof (m68hc11_reloc_map) / sizeof (struct m68hc11_reloc_map); + i++) + { + if (m68hc11_reloc_map[i].bfd_reloc_val == code) + return &elf_m68hc11_howto_table[m68hc11_reloc_map[i].elf_reloc_val]; + } + + return NULL; +} + +static reloc_howto_type * +bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, + const char *r_name) +{ + unsigned int i; + + for (i = 0; + i < (sizeof (elf_m68hc11_howto_table) + / sizeof (elf_m68hc11_howto_table[0])); + i++) + if (elf_m68hc11_howto_table[i].name != NULL + && strcasecmp (elf_m68hc11_howto_table[i].name, r_name) == 0) + return &elf_m68hc11_howto_table[i]; + + return NULL; +} + +/* Set the howto pointer for an M68HC11 ELF reloc. */ + +static void +m68hc11_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, + arelent *cache_ptr, Elf_Internal_Rela *dst) +{ + unsigned int r_type; + + r_type = ELF32_R_TYPE (dst->r_info); + BFD_ASSERT (r_type < (unsigned int) R_M68HC11_max); + cache_ptr->howto = &elf_m68hc11_howto_table[r_type]; +} + + +/* Far trampoline generation. */ + +/* Build a 68HC12 trampoline stub. */ +static bfd_boolean +m68hc12_elf_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg) +{ + struct elf32_m68hc11_stub_hash_entry *stub_entry; + struct bfd_link_info *info; + struct m68hc11_elf_link_hash_table *htab; + asection *stub_sec; + bfd *stub_bfd; + bfd_byte *loc; + bfd_vma sym_value, phys_page, phys_addr; + + /* Massage our args to the form they really have. */ + stub_entry = (struct elf32_m68hc11_stub_hash_entry *) gen_entry; + info = (struct bfd_link_info *) in_arg; + + htab = m68hc11_elf_hash_table (info); + + stub_sec = stub_entry->stub_sec; + + /* Make a note of the offset within the stubs for this entry. */ + stub_entry->stub_offset = stub_sec->size; + stub_sec->size += 7; + loc = stub_sec->contents + stub_entry->stub_offset; + + stub_bfd = stub_sec->owner; + + /* Create the trampoline call stub: + + ldy #%addr(symbol) + call %page(symbol), __trampoline + + */ + sym_value = (stub_entry->target_value + + stub_entry->target_section->output_offset + + stub_entry->target_section->output_section->vma); + phys_addr = m68hc11_phys_addr (&htab->pinfo, sym_value); + phys_page = m68hc11_phys_page (&htab->pinfo, sym_value); + + /* ldy #%page(sym) */ + bfd_put_8 (stub_bfd, 0xCD, loc); + bfd_put_16 (stub_bfd, phys_addr, loc + 1); + loc += 3; + + /* call %page(sym), __trampoline */ + bfd_put_8 (stub_bfd, 0x4a, loc); + bfd_put_16 (stub_bfd, htab->pinfo.trampoline_addr, loc + 1); + bfd_put_8 (stub_bfd, phys_page, loc + 3); + + return TRUE; +} + +/* As above, but don't actually build the stub. Just bump offset so + we know stub section sizes. */ + +static bfd_boolean +m68hc12_elf_size_one_stub (struct bfd_hash_entry *gen_entry, + void *in_arg ATTRIBUTE_UNUSED) +{ + struct elf32_m68hc11_stub_hash_entry *stub_entry; + + /* Massage our args to the form they really have. */ + stub_entry = (struct elf32_m68hc11_stub_hash_entry *) gen_entry; + + stub_entry->stub_sec->size += 7; + return TRUE; +} + +/* Create a 68HC12 ELF linker hash table. */ + +static struct bfd_link_hash_table * +m68hc12_elf_bfd_link_hash_table_create (bfd *abfd) +{ + struct m68hc11_elf_link_hash_table *ret; + + ret = m68hc11_elf_hash_table_create (abfd); + if (ret == (struct m68hc11_elf_link_hash_table *) NULL) + return NULL; + + ret->size_one_stub = m68hc12_elf_size_one_stub; + ret->build_one_stub = m68hc12_elf_build_one_stub; + + return &ret->root.root; +} + +static bfd_boolean +m68hc12_elf_set_mach_from_flags (bfd *abfd) +{ + flagword flags = elf_elfheader (abfd)->e_flags; + + switch (flags & EF_M68HC11_MACH_MASK) + { + case EF_M68HC12_MACH: + bfd_default_set_arch_mach (abfd, bfd_arch_m68hc12, bfd_mach_m6812); + break; + case EF_M68HCS12_MACH: + bfd_default_set_arch_mach (abfd, bfd_arch_m68hc12, bfd_mach_m6812s); + break; + case EF_M68HC11_GENERIC: + bfd_default_set_arch_mach (abfd, bfd_arch_m68hc12, + bfd_mach_m6812_default); + break; + default: + return FALSE; + } + return TRUE; +} + +/* Specific sections: + - The .page0 is a data section that is mapped in [0x0000..0x00FF]. + Page0 accesses are faster on the M68HC12. + - The .vectors is the section that represents the interrupt + vectors. */ +static const struct bfd_elf_special_section elf32_m68hc12_special_sections[] = +{ + { STRING_COMMA_LEN (".eeprom"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, + { STRING_COMMA_LEN (".page0"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, + { STRING_COMMA_LEN (".softregs"), 0, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, + { STRING_COMMA_LEN (".vectors"), 0, SHT_PROGBITS, SHF_ALLOC }, + { NULL, 0, 0, 0, 0 } +}; + +#define ELF_ARCH bfd_arch_m68hc12 +#define ELF_TARGET_ID M68HC11_ELF_DATA +#define ELF_MACHINE_CODE EM_68HC12 +#define ELF_MAXPAGESIZE 0x1000 + +#define TARGET_BIG_SYM bfd_elf32_m68hc12_vec +#define TARGET_BIG_NAME "elf32-m68hc12" + +#define elf_info_to_howto 0 +#define elf_info_to_howto_rel m68hc11_info_to_howto_rel +#define elf_backend_check_relocs elf32_m68hc11_check_relocs +#define elf_backend_relocate_section elf32_m68hc11_relocate_section +#define elf_backend_object_p m68hc12_elf_set_mach_from_flags +#define elf_backend_final_write_processing 0 +#define elf_backend_can_gc_sections 1 +#define elf_backend_special_sections elf32_m68hc12_special_sections +#define elf_backend_post_process_headers elf32_m68hc11_post_process_headers +#define elf_backend_add_symbol_hook elf32_m68hc11_add_symbol_hook +#define elf_backend_merge_symbol_attribute elf32_m68hc11_merge_symbol_attribute + +#define bfd_elf32_bfd_link_hash_table_create \ + m68hc12_elf_bfd_link_hash_table_create +#define bfd_elf32_bfd_link_hash_table_free \ + m68hc11_elf_bfd_link_hash_table_free +#define bfd_elf32_bfd_merge_private_bfd_data \ + _bfd_m68hc11_elf_merge_private_bfd_data +#define bfd_elf32_bfd_set_private_flags _bfd_m68hc11_elf_set_private_flags +#define bfd_elf32_bfd_print_private_bfd_data \ + _bfd_m68hc11_elf_print_private_bfd_data + +#include "elf32-target.h" |