/* Relocation functions. */
static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
- PARAMS ((bfd *, bfd_reloc_code_real_type));
+ (bfd *, bfd_reloc_code_real_type);
static void m68hc11_info_to_howto_rel
- PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
+ (bfd *, arelent *, Elf_Internal_Rela *);
/* Trampoline generation. */
static bfd_boolean m68hc11_elf_size_one_stub
- PARAMS((struct bfd_hash_entry *gen_entry, PTR in_arg));
+ (struct bfd_hash_entry *gen_entry, void *in_arg);
static bfd_boolean m68hc11_elf_build_one_stub
- PARAMS((struct bfd_hash_entry *gen_entry, PTR in_arg));
+ (struct bfd_hash_entry *gen_entry, void *in_arg);
static struct bfd_link_hash_table* m68hc11_elf_bfd_link_hash_table_create
- PARAMS ((bfd* abfd));
+ (bfd* abfd);
/* Linker relaxation. */
static bfd_boolean m68hc11_elf_relax_section
- PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *));
+ (bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
static void m68hc11_elf_relax_delete_bytes
- PARAMS ((bfd *, asection *, bfd_vma, int));
+ (bfd *, asection *, bfd_vma, int);
static void m68hc11_relax_group
- PARAMS ((bfd *, asection *, bfd_byte *, unsigned,
- unsigned long, unsigned long));
-static int compare_reloc PARAMS ((const void *, const void *));
+ (bfd *, asection *, bfd_byte *, unsigned, unsigned long, unsigned long);
+static int compare_reloc (const void *, const void *);
/* Use REL instead of RELA to save space */
#define USE_REL 1
};
static reloc_howto_type *
-bfd_elf32_bfd_reloc_type_lookup (abfd, code)
- bfd *abfd ATTRIBUTE_UNUSED;
- bfd_reloc_code_real_type code;
+bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ 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 (abfd, cache_ptr, dst)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *cache_ptr;
- Elf_Internal_Rela *dst;
+m68hc11_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *cache_ptr, Elf_Internal_Rela *dst)
{
unsigned int r_type;
/* Build a 68HC11 trampoline stub. */
static bfd_boolean
-m68hc11_elf_build_one_stub (gen_entry, in_arg)
- struct bfd_hash_entry *gen_entry;
- PTR in_arg;
+m68hc11_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;
we know stub section sizes. */
static bfd_boolean
-m68hc11_elf_size_one_stub (gen_entry, in_arg)
- struct bfd_hash_entry *gen_entry;
- PTR in_arg ATTRIBUTE_UNUSED;
+m68hc11_elf_size_one_stub (struct bfd_hash_entry *gen_entry,
+ void *in_arg ATTRIBUTE_UNUSED)
{
struct elf32_m68hc11_stub_hash_entry *stub_entry;
/* Create a 68HC11 ELF linker hash table. */
static struct bfd_link_hash_table *
-m68hc11_elf_bfd_link_hash_table_create (abfd)
- bfd *abfd;
+m68hc11_elf_bfd_link_hash_table_create (bfd *abfd)
{
struct m68hc11_elf_link_hash_table *ret;
}
static int
-compare_reloc (e1, e2)
- const void *e1;
- const void *e2;
+compare_reloc (const void *e1, const void *e2)
{
const Elf_Internal_Rela *i1 = (const Elf_Internal_Rela *) e1;
const Elf_Internal_Rela *i2 = (const Elf_Internal_Rela *) e2;
#define M6811_OP_LDX_IMMEDIATE (0xCE)
static void
-m68hc11_relax_group (abfd, sec, contents, value, offset, end_group)
- bfd *abfd;
- asection *sec;
- bfd_byte *contents;
- unsigned value;
- unsigned long offset;
- unsigned long end_group;
+m68hc11_relax_group (bfd *abfd, asection *sec, bfd_byte *contents,
+ unsigned value, unsigned long offset,
+ unsigned long end_group)
{
unsigned char code;
unsigned long start_offset;
and somewhat more difficult to support. */
static bfd_boolean
-m68hc11_elf_relax_section (abfd, sec, link_info, again)
- bfd *abfd;
- asection *sec;
- struct bfd_link_info *link_info;
- bfd_boolean *again;
+m68hc11_elf_relax_section (bfd *abfd, asection *sec,
+ struct bfd_link_info *link_info, bfd_boolean *again)
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Shdr *shndx_hdr;
/* Assume nothing changes. */
*again = FALSE;
- /* We don't have to do anything for a relocateable link, if
+ /* We don't have to do anything for a relocatable link, if
this section does not have relocs, or if this is not a
code section. */
- if (link_info->relocateable
+ if (link_info->relocatable
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0
|| (sec->flags & SEC_CODE) == 0)
{
unsigned long old_sec_size = sec->_cooked_size;
- /* Note that we've changed the reldection contents, etc. */
+ /* Note that we've changed the relocation contents, etc. */
elf_section_data (sec)->relocs = internal_relocs;
free_relocs = NULL;
continue;
}
- /* Note that we've changed the reldection contents, etc. */
+ /* Note that we've changed the relocation contents, etc. */
elf_section_data (sec)->relocs = internal_relocs;
free_relocs = NULL;
if ((offset & 0xff80) == 0 || (offset & 0xff80) == 0xff80)
{
- /* Note that we've changed the reldection contents, etc. */
+ /* Note that we've changed the relocation contents, etc. */
elf_section_data (sec)->relocs = internal_relocs;
free_relocs = NULL;
/* Delete some bytes from a section while relaxing. */
static void
-m68hc11_elf_relax_delete_bytes (abfd, sec, addr, count)
- bfd *abfd;
- asection *sec;
- bfd_vma addr;
- int count;
+m68hc11_elf_relax_delete_bytes (bfd *abfd, asection *sec,
+ bfd_vma addr, int count)
{
Elf_Internal_Shdr *symtab_hdr;
unsigned int sec_shndx;
}
}
+/* Specific sections:
+ - The .page0 is a data section that is mapped in [0x0000..0x00FF].
+ Page0 accesses are faster on the M68HC11. Soft registers used by GCC-m6811
+ are located in .page0.
+ - The .vectors is the section that represents the interrupt
+ vectors. */
+static struct bfd_elf_special_section const elf32_m68hc11_special_sections[]=
+{
+ { ".eeprom", 7, 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".softregs", 9, 0, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
+ { ".page0", 6, 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".vectors", 8, 0, SHT_PROGBITS, SHF_ALLOC },
+ { NULL, 0, 0, 0, 0 }
+};
\f
#define ELF_ARCH bfd_arch_m68hc11
#define ELF_MACHINE_CODE EM_68HC11
#define elf_backend_object_p 0
#define elf_backend_final_write_processing 0
#define elf_backend_can_gc_sections 1
+#define elf_backend_special_sections elf32_m68hc11_special_sections
#define bfd_elf32_bfd_link_hash_table_create \
m68hc11_elf_bfd_link_hash_table_create
projects / binutils-gdb.git / blobdiff