/* Motorola 68HC12-specific support for 32-bit ELF
- Copyright (C) 1999-2014 Free Software Foundation, Inc.
+ Copyright (C) 1999-2020 Free Software Foundation, Inc.
Contributed by Stephane Carrez (stcarrez@nerim.fr)
(Heavily copied from the D10V port by Martin Hunt (hunt@cygnus.com))
/* 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
+static bfd_boolean m68hc11_info_to_howto_rel
(bfd *, arelent *, Elf_Internal_Rela *);
/* Trampoline generation. */
Banked
Address Space
- | | Page n
+ | | Page n
+---------------+ 0x1010000
- | |
- | jsr _foo |
- | .. | Page 3
- | _foo: |
+ | |
+ | jsr _foo |
+ | .. | Page 3
+ | _foo: |
+---------------+ 0x100C000
- | |
- | call _bar |
- | .. | Page 2
- | _bar: |
+ | |
+ | call _bar |
+ | .. | Page 2
+ | _bar: |
+---------------+ 0x1008000
- /------>| |
- | | call _foo | Page 1
- | | |
+ /------>| |
+ | | call _foo | Page 1
+ | | |
| +---------------+ 0x1004000
- Physical | | |
- Address Space | | | Page 0
- | | |
+ Physical | | |
+ Address Space | | | Page 0
+ | | |
+-----------+ 0x00FFFF | +---------------+ 0x1000000
| | |
| call _foo | |
| | |
+-----------+ 0x00BFFF -+---/
- | | |
+ | | |
| | |
| | 16K |
| | |
/* This reloc does nothing. */
HOWTO (R_M68HC11_NONE, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
+ 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
FALSE, /* partial_inplace */
0x00ff, /* src_mask */
0x00ff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* A 16 bit absolute relocation */
HOWTO (R_M68HC11_16, /* type */
FALSE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* GNU extension to record C++ vtable hierarchy */
HOWTO (R_M68HC11_GNU_VTINHERIT, /* type */
FALSE), /* pcrel_offset */
/* A 24 bit relocation */
- HOWTO (R_M68HC11_24, /* type */
+ HOWTO (R_M68HC11_24, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
24, /* bitsize */
FALSE), /* pcrel_offset */
/* A 16-bit low relocation */
- HOWTO (R_M68HC11_LO16, /* type */
+ HOWTO (R_M68HC11_LO16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
FALSE), /* pcrel_offset */
/* A page relocation */
- HOWTO (R_M68HC11_PAGE, /* type */
+ HOWTO (R_M68HC11_PAGE, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
bfd_elf_generic_reloc, /* special_function */
"R_M68HC12_16B", /* name */
FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* A 9 bit PC-rel relocation. */
TRUE, /* partial_inplace */
0xfe00, /* src_mask */
0x01ff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* A 10 bit PC-rel relocation. */
HOWTO (R_M68HC12_PCREL_10, /* type */
TRUE, /* partial_inplace */
0xfc00, /* src_mask */
0x03ff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* A 8 bit absolute relocation (upper address). */
HOWTO (R_M68HC12_HI8XG, /* type */
TRUE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- TRUE), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* Mark beginning of Gcc relaxation group instruction. */
HOWTO (R_M68HC11_RL_GROUP, /* type */
TRUE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- TRUE), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
};
/* Map BFD reloc types to M68HC11 ELF reloc types. */
static reloc_howto_type *
bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_reloc_code_real_type code)
+ bfd_reloc_code_real_type code)
{
unsigned int i;
/* 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)
+static bfd_boolean
+m68hc11_info_to_howto_rel (bfd *abfd,
+ 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);
+ if (r_type >= (unsigned int) R_M68HC11_max)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
cache_ptr->howto = &elf_m68hc11_howto_table[r_type];
+ return TRUE;
}
\f
stub_entry = (struct elf32_m68hc11_stub_hash_entry *) gen_entry;
info = (struct bfd_link_info *) in_arg;
+ /* Fail if the target section could not be assigned to an output
+ section. The user should fix his linker script. */
+ if (stub_entry->target_section->output_section == NULL
+ && info->non_contiguous_regions)
+ info->callbacks->einfo (_("%F%P: Could not assign '%pA' to an output section. "
+ "Retry without --enable-non-contiguous-regions.\n"),
+ stub_entry->target_section);
+
htab = m68hc11_elf_hash_table (info);
stub_sec = stub_entry->stub_sec;
*/
sym_value = (stub_entry->target_value
- + stub_entry->target_section->output_offset
- + stub_entry->target_section->output_section->vma);
+ + 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);
static bfd_boolean
m68hc12_elf_size_one_stub (struct bfd_hash_entry *gen_entry,
- void *in_arg ATTRIBUTE_UNUSED)
+ void *in_arg ATTRIBUTE_UNUSED)
{
struct elf32_m68hc11_stub_hash_entry *stub_entry;
break;
case EF_M68HC11_GENERIC:
bfd_default_set_arch_mach (abfd, bfd_arch_m68hc12,
- bfd_mach_m6812_default);
+ bfd_mach_m6812_default);
break;
default:
return FALSE;
{ 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 }
+ { NULL, 0, 0, 0, 0 }
};
\f
#define ELF_ARCH bfd_arch_m68hc12
#define ELF_MACHINE_CODE EM_68HC12
#define ELF_MAXPAGESIZE 0x1000
-#define TARGET_BIG_SYM bfd_elf32_m68hc12_vec
+#define TARGET_BIG_SYM m68hc12_elf32_vec
#define TARGET_BIG_NAME "elf32-m68hc12"
-#define elf_info_to_howto 0
+#define elf_info_to_howto NULL
#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_init_file_header elf32_m68hc11_init_file_header
#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
+ m68hc12_elf_bfd_link_hash_table_create
#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
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