/* Motorola 68HC12-specific support for 32-bit ELF
- Copyright 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007
+ 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))
(bfd *, arelent *, Elf_Internal_Rela *);
/* Trampoline generation. */
-static bfd_boolean m68hc12_elf_size_one_stub
- (struct bfd_hash_entry *gen_entry, void *in_arg);
-static bfd_boolean m68hc12_elf_build_one_stub
- (struct bfd_hash_entry *gen_entry, void *in_arg);
-static struct bfd_link_hash_table* m68hc12_elf_bfd_link_hash_table_create
- (bfd*);
-static bfd_boolean m68hc12_elf_set_mach_from_flags PARAMS ((bfd *));
/* Use REL instead of RELA to save space */
#define USE_REL 1
FALSE), /* pcrel_offset */
EMPTY_HOWTO (14),
- EMPTY_HOWTO (15),
- EMPTY_HOWTO (16),
- EMPTY_HOWTO (17),
- EMPTY_HOWTO (18),
- EMPTY_HOWTO (19),
+
+ /* 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 */
unsigned char elf_reloc_val;
};
-static const struct m68hc11_reloc_map m68hc11_reloc_map[] = {
+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_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 *
#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