/* Motorola 68HC11-specific support for 32-bit ELF
- Copyright (C) 1999-2020 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 bfd_boolean m68hc11_info_to_howto_rel
+static bool m68hc11_info_to_howto_rel
(bfd *, arelent *, Elf_Internal_Rela *);
/* Trampoline generation. */
-static bfd_boolean m68hc11_elf_size_one_stub
+static bool m68hc11_elf_size_one_stub
(struct bfd_hash_entry *gen_entry, void *in_arg);
-static bfd_boolean m68hc11_elf_build_one_stub
+static bool m68hc11_elf_build_one_stub
(struct bfd_hash_entry *gen_entry, void *in_arg);
static struct bfd_link_hash_table* m68hc11_elf_bfd_link_hash_table_create
(bfd* abfd);
/* Linker relaxation. */
-static bfd_boolean m68hc11_elf_relax_section
- (bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
+static bool m68hc11_elf_relax_section
+ (bfd *, asection *, struct bfd_link_info *, bool *);
static void m68hc11_elf_relax_delete_bytes
(bfd *, asection *, bfd_vma, int);
static void m68hc11_relax_group
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_M68HC11_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_M68HC11_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_M68HC11_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_M68HC11_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_M68HC11_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_M68HC11_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_M68HC11_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_M68HC11_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_M68HC11_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 */
1, /* size (0 = byte, 1 = short, 2 = long) */
24, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_M68HC11_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_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_M68HC11_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_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_M68HC11_PAGE", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00ff, /* src_mask */
0x00ff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
EMPTY_HOWTO (14),
EMPTY_HOWTO (15),
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_M68HC11_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_M68HC11_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 bfd_boolean
+static bool
m68hc11_info_to_howto_rel (bfd *abfd,
arelent *cache_ptr, Elf_Internal_Rela *dst)
{
_bfd_error_handler (_("%pB: unsupported relocation type %#x"),
abfd, r_type);
bfd_set_error (bfd_error_bad_value);
- return FALSE;
+ return false;
}
cache_ptr->howto = &elf_m68hc11_howto_table[r_type];
- return TRUE;
+ return true;
}
\f
/* Far trampoline generation. */
/* Build a 68HC11 trampoline stub. */
-static bfd_boolean
+static bool
m68hc11_elf_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
{
struct elf32_m68hc11_stub_hash_entry *stub_entry;
htab = m68hc11_elf_hash_table (info);
if (htab == NULL)
- return FALSE;
+ return false;
stub_sec = stub_entry->stub_sec;
bfd_put_8 (stub_bfd, 0x7E, loc);
bfd_put_16 (stub_bfd, htab->pinfo.trampoline_addr, loc + 1);
- 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
m68hc11_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 += 10;
- return TRUE;
+ return true;
}
/* Create a 68HC11 ELF linker hash table. */
\f
/* 68HC11 Linker Relaxation. */
-struct m68hc11_direct_relax
+const struct m68hc11_direct_relax
{
const char *name;
unsigned char code;
{ 0, 0, 0 }
};
-static struct m68hc11_direct_relax *
+static const struct m68hc11_direct_relax *
find_relaxable_insn (unsigned char code)
{
int i;
and somewhat more difficult to support. */
-static bfd_boolean
+static bool
m68hc11_elf_relax_section (bfd *abfd, asection *sec,
- struct bfd_link_info *link_info, bfd_boolean *again)
+ struct bfd_link_info *link_info, bool *again)
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Rela *internal_relocs;
Elf_Internal_Sym *isymbuf = NULL;
/* Assume nothing changes. */
- *again = FALSE;
+ *again = false;
/* We don't have to do anything for a relocatable link, if
this section does not have relocs, or if this is not a
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0
|| (sec->flags & SEC_CODE) == 0)
- return TRUE;
+ return true;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
irel->r_offset + 1, 3);
}
prev_insn_branch = 0;
- *again = TRUE;
+ *again = true;
}
/* Try to turn a 16 bit address into a 8 bit page0 address. */
{
unsigned char code;
unsigned short offset;
- struct m68hc11_direct_relax *rinfo;
+ const struct m68hc11_direct_relax *rinfo;
prev_insn_branch = 0;
offset = bfd_get_16 (abfd, contents + irel->r_offset);
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
R_M68HC11_NONE);
if (sec->size != old_sec_size)
- *again = TRUE;
+ *again = true;
continue;
}
R_M68HC11_8);
/* That will change things, so, we should relax again. */
- *again = TRUE;
+ *again = true;
}
else if (ELF32_R_TYPE (irel->r_info) == R_M68HC11_16 && !is_far)
{
m68hc11_elf_relax_delete_bytes (abfd, sec,
irel->r_offset + 1, 1);
/* That will change things, so, we should relax again. */
- *again = TRUE;
+ *again = true;
}
}
}
free_extsyms = NULL;
}
- return TRUE;
+ return true;
error_return:
free (free_relocs);
free (free_contents);
free (free_extsyms);
- return FALSE;
+ return false;
}
/* Delete some bytes from a section while relaxing. */
projects / deliverable / binutils-gdb.git / blobdiff