/* Motorola 68HC12-specific support for 32-bit ELF
- Copyright (C) 1999-2017 Free Software Foundation, Inc.
+ Copyright (C) 1999-2021 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 bool m68hc11_info_to_howto_rel
(bfd *, arelent *, Elf_Internal_Rela *);
/* Trampoline generation. */
0, /* rightshift */
3, /* 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_generic_reloc, /* special_function */
"R_M68HC12_NONE", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_M68HC12_8", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00ff, /* src_mask */
0x00ff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_M68HC12_HI8", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00ff, /* src_mask */
0x00ff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_M68HC12_LO8", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00ff, /* src_mask */
0x00ff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ 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 */
+ 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 */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- FALSE, /* pc_relative */
+ 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 */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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. */
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_M68HC12_32", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_M68HC12_4B", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x003, /* src_mask */
0x003, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ 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 */
+ 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 */
0, /* rightshift */
1, /* 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_M68HC11_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_M68HC11_GNU_VTENTRY, /* type */
0, /* rightshift */
1, /* 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_M68HC11_GNU_VTENTRY", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
m68hc11_elf_special_reloc, /* special_function */
"R_M68HC12_24", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffffff, /* src_mask */
0xffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
m68hc11_elf_special_reloc,/* special_function */
"R_M68HC12_LO16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
m68hc11_elf_special_reloc,/* special_function */
"R_M68HC12_PAGE", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00ff, /* src_mask */
0x00ff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
EMPTY_HOWTO (14),
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_M68HC12_16B", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ 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 */
+ 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 */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
11, /* bitsize (result is >>1) */
- TRUE, /* pc_relative */
+ 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 */
+ 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 */
8, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_M68HC12_HI8XG", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00ff, /* src_mask */
0x00ff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_M68HC12_LO8XG", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00ff, /* src_mask */
0x00ff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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 */
+ 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 */
+ 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 */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- FALSE, /* pc_relative */
+ 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 */
+ true, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
};
/* Map BFD reloc types to M68HC11 ELF reloc types. */
/* Set the howto pointer for an M68HC11 ELF reloc. */
-static void
-m68hc11_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
+static bool
+m68hc11_info_to_howto_rel (bfd *abfd,
arelent *cache_ptr, Elf_Internal_Rela *dst)
{
unsigned int r_type;
if (r_type >= (unsigned int) R_M68HC11_max)
{
/* xgettext:c-format */
- _bfd_error_handler (_("%B: invalid M68HC12 reloc number: %d"), abfd, r_type);
- r_type = 0;
+ _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
/* Far trampoline generation. */
/* Build a 68HC12 trampoline stub. */
-static bfd_boolean
+static bool
m68hc12_elf_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
{
struct elf32_m68hc11_stub_hash_entry *stub_entry;
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;
bfd_put_16 (stub_bfd, htab->pinfo.trampoline_addr, loc + 1);
bfd_put_8 (stub_bfd, phys_page, loc + 3);
- return TRUE;
+ return true;
}
/* As above, but don't actually build the stub. Just bump offset so
we know stub section sizes. */
-static bfd_boolean
+static bool
m68hc12_elf_size_one_stub (struct bfd_hash_entry *gen_entry,
void *in_arg ATTRIBUTE_UNUSED)
{
stub_entry = (struct elf32_m68hc11_stub_hash_entry *) gen_entry;
stub_entry->stub_sec->size += 7;
- return TRUE;
+ return true;
}
/* Create a 68HC12 ELF linker hash table. */
return &ret->root.root;
}
\f
-static bfd_boolean
+static bool
m68hc12_elf_set_mach_from_flags (bfd *abfd)
{
flagword flags = elf_elfheader (abfd)->e_flags;
bfd_mach_m6812_default);
break;
default:
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
/* Specific sections:
#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
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