#define TP_OFFSET 0x7000
#define DTP_OFFSET 0x8000
-/* The relocation table used for SHT_REL sections. */
-static reloc_howto_type elf_nios2_howto_table_rel[] = {
+/* The relocation tables used for SHT_REL sections. There are separate
+ tables for R1 and R2 encodings. */
+static reloc_howto_type elf_nios2_r1_howto_table_rel[] = {
/* No relocation. */
HOWTO (R_NIOS2_NONE, /* type */
0, /* rightshift */
/* Add other relocations here. */
};
+static reloc_howto_type elf_nios2_r2_howto_table_rel[] = {
+ /* No relocation. */
+ HOWTO (R_NIOS2_NONE, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_NIOS2_NONE", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 16-bit signed immediate relocation. */
+ HOWTO (R_NIOS2_S16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 16, /* bitpos */
+ complain_overflow_signed, /* complain on overflow */
+ bfd_elf_generic_reloc, /* special function */
+ "R_NIOS2_S16", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff0000, /* src_mask */
+ 0xffff0000, /* dest_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 16-bit unsigned immediate relocation. */
+ HOWTO (R_NIOS2_U16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 16, /* bitpos */
+ complain_overflow_unsigned, /* complain on overflow */
+ bfd_elf_generic_reloc, /* special function */
+ "R_NIOS2_U16", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff0000, /* src_mask */
+ 0xffff0000, /* dest_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_NIOS2_PCREL16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 16, /* bitpos */
+ complain_overflow_signed, /* complain on overflow */
+ nios2_elf32_pcrel16_relocate, /* special function */
+ "R_NIOS2_PCREL16", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff0000, /* src_mask */
+ 0xffff0000, /* dest_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_NIOS2_CALL26, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ FALSE, /* pc_relative */
+ 6, /* bitpos */
+ complain_overflow_dont, /* complain on overflow */
+ nios2_elf32_call26_relocate, /* special function */
+ "R_NIOS2_CALL26", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffc0, /* src_mask */
+ 0xffffffc0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_NIOS2_IMM5,
+ 0,
+ 2,
+ 5,
+ FALSE,
+ 21,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_IMM5",
+ FALSE,
+ 0x03e00000,
+ 0x03e00000,
+ FALSE),
+
+ HOWTO (R_NIOS2_CACHE_OPX,
+ 0,
+ 2,
+ 5,
+ FALSE,
+ 11,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_CACHE_OPX",
+ FALSE,
+ 0x0000f800,
+ 0x0000f800,
+ FALSE),
+
+ HOWTO (R_NIOS2_IMM6,
+ 0,
+ 2,
+ 6,
+ FALSE,
+ 26,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_IMM6",
+ FALSE,
+ 0xfc000000,
+ 0xfc000000,
+ FALSE),
+
+ HOWTO (R_NIOS2_IMM8,
+ 0,
+ 2,
+ 8,
+ FALSE,
+ 24,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_IMM8",
+ FALSE,
+ 0xff000000,
+ 0xff000000,
+ FALSE),
+
+ HOWTO (R_NIOS2_HI16,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ nios2_elf32_hi16_relocate,
+ "R_NIOS2_HI16",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_LO16,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ nios2_elf32_lo16_relocate,
+ "R_NIOS2_LO16",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_HIADJ16,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ nios2_elf32_hiadj16_relocate,
+ "R_NIOS2_HIADJ16",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_BFD_RELOC_32,
+ 0,
+ 2, /* long */
+ 32,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_BFD_RELOC32",
+ FALSE,
+ 0xffffffff,
+ 0xffffffff,
+ FALSE),
+
+ HOWTO (R_NIOS2_BFD_RELOC_16,
+ 0,
+ 1, /* short */
+ 16,
+ FALSE,
+ 0,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_BFD_RELOC16",
+ FALSE,
+ 0x0000ffff,
+ 0x0000ffff,
+ FALSE),
+
+ HOWTO (R_NIOS2_BFD_RELOC_8,
+ 0,
+ 0, /* byte */
+ 8,
+ FALSE,
+ 0,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_BFD_RELOC8",
+ FALSE,
+ 0x000000ff,
+ 0x000000ff,
+ FALSE),
+
+ HOWTO (R_NIOS2_GPREL,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ nios2_elf32_gprel_relocate,
+ "R_NIOS2_GPREL",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_GNU_VTINHERIT,
+ 0,
+ 2, /* short */
+ 0,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ NULL,
+ "R_NIOS2_GNU_VTINHERIT",
+ FALSE,
+ 0,
+ 0,
+ FALSE),
+
+ HOWTO (R_NIOS2_GNU_VTENTRY,
+ 0,
+ 2, /* byte */
+ 0,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ _bfd_elf_rel_vtable_reloc_fn,
+ "R_NIOS2_GNU_VTENTRY",
+ FALSE,
+ 0,
+ 0,
+ FALSE),
+
+ HOWTO (R_NIOS2_UJMP,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ nios2_elf32_ujmp_relocate,
+ "R_NIOS2_UJMP",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_CJMP,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ nios2_elf32_cjmp_relocate,
+ "R_NIOS2_CJMP",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_CALLR,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ nios2_elf32_callr_relocate,
+ "R_NIOS2_CALLR",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_ALIGN,
+ 0,
+ 2,
+ 0,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ nios2_elf32_ignore_reloc,
+ "R_NIOS2_ALIGN",
+ FALSE,
+ 0,
+ 0,
+ TRUE),
+
+ HOWTO (R_NIOS2_GOT16,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_GOT16",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_CALL16,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_CALL16",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_GOTOFF_LO,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_GOTOFF_LO",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_GOTOFF_HA,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_GOTOFF_HA",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_PCREL_LO,
+ 0,
+ 2,
+ 16,
+ TRUE,
+ 16,
+ complain_overflow_dont,
+ nios2_elf32_pcrel_lo16_relocate,
+ "R_NIOS2_PCREL_LO",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ TRUE),
+
+ HOWTO (R_NIOS2_PCREL_HA,
+ 0,
+ 2,
+ 16,
+ FALSE, /* This is a PC-relative relocation, but we need to subtract
+ PC ourselves before the HIADJ. */
+ 16,
+ complain_overflow_dont,
+ nios2_elf32_pcrel_hiadj16_relocate,
+ "R_NIOS2_PCREL_HA",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ TRUE),
+
+ HOWTO (R_NIOS2_TLS_GD16,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_TLS_GD16",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_TLS_LDM16,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_TLS_LDM16",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_TLS_LDO16,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_TLS_LDO16",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_TLS_IE16,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_TLS_IE16",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_TLS_LE16,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_bitfield,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_TLS_LE16",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_TLS_DTPMOD,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_TLS_DTPMOD",
+ FALSE,
+ 0xffffffff,
+ 0xffffffff,
+ FALSE),
+
+ HOWTO (R_NIOS2_TLS_DTPREL,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_TLS_DTPREL",
+ FALSE,
+ 0xffffffff,
+ 0xffffffff,
+ FALSE),
+
+ HOWTO (R_NIOS2_TLS_TPREL,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_TLS_TPREL",
+ FALSE,
+ 0xffffffff,
+ 0xffffffff,
+ FALSE),
+
+ HOWTO (R_NIOS2_COPY,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_COPY",
+ FALSE,
+ 0,
+ 0,
+ FALSE),
+
+ HOWTO (R_NIOS2_GLOB_DAT,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_GLOB_DAT",
+ FALSE,
+ 0xffffffff,
+ 0xffffffff,
+ FALSE),
+
+ HOWTO (R_NIOS2_JUMP_SLOT,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_JUMP_SLOT",
+ FALSE,
+ 0xffffffff,
+ 0xffffffff,
+ FALSE),
+
+ HOWTO (R_NIOS2_RELATIVE,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_RELATIVE",
+ FALSE,
+ 0xffffffff,
+ 0xffffffff,
+ FALSE),
+
+ HOWTO (R_NIOS2_GOTOFF,
+ 0,
+ 2,
+ 32,
+ FALSE,
+ 0,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_GOTOFF",
+ FALSE,
+ 0xffffffff,
+ 0xffffffff,
+ FALSE),
+
+ HOWTO (R_NIOS2_CALL26_NOAT, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ FALSE, /* pc_relative */
+ 6, /* bitpos */
+ complain_overflow_dont, /* complain on overflow */
+ nios2_elf32_call26_relocate, /* special function */
+ "R_NIOS2_CALL26_NOAT", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffc0, /* src_mask */
+ 0xffffffc0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_NIOS2_GOT_LO,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_GOT_LO",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_GOT_HA,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_GOT_HA",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_CALL_LO,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_CALL_LO",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_CALL_HA,
+ 0,
+ 2,
+ 16,
+ FALSE,
+ 16,
+ complain_overflow_dont,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_CALL_HA",
+ FALSE,
+ 0xffff0000,
+ 0xffff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_R2_S12,
+ 0,
+ 2,
+ 12,
+ FALSE,
+ 16,
+ complain_overflow_signed,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_R2_S12",
+ FALSE,
+ 0x0fff0000,
+ 0x0fff0000,
+ FALSE),
+
+ HOWTO (R_NIOS2_R2_I10_1_PCREL,
+ 1,
+ 1,
+ 10,
+ TRUE,
+ 6,
+ complain_overflow_signed,
+ bfd_elf_generic_reloc, /* FIXME? */
+ "R_NIOS2_R2_I10_1_PCREL",
+ FALSE,
+ 0xffc0,
+ 0xffc0,
+ TRUE),
+
+ HOWTO (R_NIOS2_R2_T1I7_1_PCREL,
+ 1,
+ 1,
+ 7,
+ TRUE,
+ 9,
+ complain_overflow_signed,
+ bfd_elf_generic_reloc, /* FIXME? */
+ "R_NIOS2_R2_T1I7_1_PCREL",
+ FALSE,
+ 0xfe00,
+ 0xfe00,
+ TRUE),
+
+ HOWTO (R_NIOS2_R2_T1I7_2,
+ 2,
+ 1,
+ 7,
+ FALSE,
+ 9,
+ complain_overflow_unsigned,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_R2_T1I7_2",
+ FALSE,
+ 0xfe00,
+ 0xfe00,
+ FALSE),
+
+ HOWTO (R_NIOS2_R2_T2I4,
+ 0,
+ 1,
+ 4,
+ FALSE,
+ 12,
+ complain_overflow_unsigned,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_R2_T2I4",
+ FALSE,
+ 0xf000,
+ 0xf000,
+ FALSE),
+
+ HOWTO (R_NIOS2_R2_T2I4_1,
+ 1,
+ 1,
+ 4,
+ FALSE,
+ 12,
+ complain_overflow_unsigned,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_R2_T2I4_1",
+ FALSE,
+ 0xf000,
+ 0xf000,
+ FALSE),
+
+ HOWTO (R_NIOS2_R2_T2I4_2,
+ 2,
+ 1,
+ 4,
+ FALSE,
+ 12,
+ complain_overflow_unsigned,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_R2_T2I4_2",
+ FALSE,
+ 0xf000,
+ 0xf000,
+ FALSE),
+
+ HOWTO (R_NIOS2_R2_X1I7_2,
+ 2,
+ 1,
+ 7,
+ FALSE,
+ 6,
+ complain_overflow_unsigned,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_R2_X1I7_2",
+ FALSE,
+ 0x1fc0,
+ 0x1fc0,
+ FALSE),
+
+ HOWTO (R_NIOS2_R2_X2L5,
+ 0,
+ 1,
+ 5,
+ FALSE,
+ 6,
+ complain_overflow_unsigned,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_R2_X2L5",
+ FALSE,
+ 0x07c0,
+ 0x07c0,
+ FALSE),
+
+ HOWTO (R_NIOS2_R2_F1I5_2,
+ 2,
+ 1,
+ 5,
+ FALSE,
+ 6,
+ complain_overflow_unsigned,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_R2_F1L5_2",
+ FALSE,
+ 0x07c0,
+ 0x07c0,
+ FALSE),
+
+ HOWTO (R_NIOS2_R2_L5I4X1,
+ 2,
+ 1,
+ 4,
+ FALSE,
+ 6,
+ complain_overflow_unsigned,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_R2_L5I4X1",
+ FALSE,
+ 0x03c0,
+ 0x03c0,
+ FALSE),
+
+ HOWTO (R_NIOS2_R2_T1X1I6,
+ 0,
+ 1,
+ 6,
+ FALSE,
+ 9,
+ complain_overflow_unsigned,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_R2_T1X1I6",
+ FALSE,
+ 0x7e00,
+ 0x7e00,
+ FALSE),
+
+ HOWTO (R_NIOS2_R2_T1X1I6_2,
+ 2,
+ 2,
+ 6,
+ FALSE,
+ 9,
+ complain_overflow_unsigned,
+ bfd_elf_generic_reloc,
+ "R_NIOS2_R2_T1I1X6_2",
+ FALSE,
+ 0x7e00,
+ 0x7e00,
+ FALSE),
+
+/* Add other relocations here. */
+};
+
static unsigned char elf_code_to_howto_index[R_NIOS2_ILLEGAL + 1];
+
+/* Return true if producing output for a R2 BFD. */
+#define BFD_IS_R2(abfd) (bfd_get_mach (abfd) == bfd_mach_nios2r2)
+
/* Return the howto for relocation RTYPE. */
static reloc_howto_type *
-lookup_howto (unsigned int rtype)
+lookup_howto (unsigned int rtype, bfd *abfd)
{
static int initialized = 0;
int i;
- int howto_tbl_size = (int) (sizeof (elf_nios2_howto_table_rel)
- / sizeof (elf_nios2_howto_table_rel[0]));
+ /* R2 relocations are a superset of R1, so use that for the lookup
+ table. */
+ int r1_howto_tbl_size = (int) (sizeof (elf_nios2_r1_howto_table_rel)
+ / sizeof (elf_nios2_r1_howto_table_rel[0]));
+ int r2_howto_tbl_size = (int) (sizeof (elf_nios2_r2_howto_table_rel)
+ / sizeof (elf_nios2_r2_howto_table_rel[0]));
if (!initialized)
{
initialized = 1;
memset (elf_code_to_howto_index, 0xff,
sizeof (elf_code_to_howto_index));
- for (i = 0; i < howto_tbl_size; i++)
- elf_code_to_howto_index[elf_nios2_howto_table_rel[i].type] = i;
+ for (i = 0; i < r2_howto_tbl_size; i++)
+ {
+ elf_code_to_howto_index[elf_nios2_r2_howto_table_rel[i].type] = i;
+ if (i < r1_howto_tbl_size)
+ BFD_ASSERT (elf_nios2_r2_howto_table_rel[i].type
+ == elf_nios2_r1_howto_table_rel[i].type);
+ }
}
BFD_ASSERT (rtype <= R_NIOS2_ILLEGAL);
i = elf_code_to_howto_index[rtype];
- if (i >= howto_tbl_size)
- return 0;
- return elf_nios2_howto_table_rel + i;
+ if (BFD_IS_R2 (abfd))
+ {
+ if (i >= r2_howto_tbl_size)
+ return 0;
+ return elf_nios2_r2_howto_table_rel + i;
+ }
+ else
+ {
+ if (i >= r1_howto_tbl_size)
+ return 0;
+ return elf_nios2_r1_howto_table_rel + i;
+ }
}
/* Map for converting BFD reloc types to Nios II reloc types. */
{BFD_RELOC_NIOS2_GOT_HA, R_NIOS2_GOT_HA},
{BFD_RELOC_NIOS2_CALL_LO, R_NIOS2_CALL_LO},
{BFD_RELOC_NIOS2_CALL_HA, R_NIOS2_CALL_HA},
+ {BFD_RELOC_NIOS2_R2_S12, R_NIOS2_R2_S12},
+ {BFD_RELOC_NIOS2_R2_I10_1_PCREL, R_NIOS2_R2_I10_1_PCREL},
+ {BFD_RELOC_NIOS2_R2_T1I7_1_PCREL, R_NIOS2_R2_T1I7_1_PCREL},
+ {BFD_RELOC_NIOS2_R2_T1I7_2, R_NIOS2_R2_T1I7_2},
+ {BFD_RELOC_NIOS2_R2_T2I4, R_NIOS2_R2_T2I4},
+ {BFD_RELOC_NIOS2_R2_T2I4_1, R_NIOS2_R2_T2I4_1},
+ {BFD_RELOC_NIOS2_R2_T2I4_2, R_NIOS2_R2_T2I4_2},
+ {BFD_RELOC_NIOS2_R2_X1I7_2, R_NIOS2_R2_X1I7_2},
+ {BFD_RELOC_NIOS2_R2_X2L5, R_NIOS2_R2_X2L5},
+ {BFD_RELOC_NIOS2_R2_F1I5_2, R_NIOS2_R2_F1I5_2},
+ {BFD_RELOC_NIOS2_R2_L5I4X1, R_NIOS2_R2_L5I4X1},
+ {BFD_RELOC_NIOS2_R2_T1X1I6, R_NIOS2_R2_T1X1I6},
+ {BFD_RELOC_NIOS2_R2_T1X1I6_2, R_NIOS2_R2_T1X1I6_2},
};
enum elf32_nios2_stub_type
/* Implement bfd_elf32_bfd_reloc_type_lookup:
Given a BFD reloc type, return a howto structure. */
static reloc_howto_type *
-nios2_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+nios2_elf32_bfd_reloc_type_lookup (bfd *abfd,
bfd_reloc_code_real_type code)
{
int i;
+
for (i = 0;
i < (int) (sizeof (nios2_reloc_map) / sizeof (struct elf_reloc_map));
++i)
if (nios2_reloc_map[i].bfd_val == code)
- return &elf_nios2_howto_table_rel[(int) nios2_reloc_map[i].elf_val];
+ return lookup_howto (nios2_reloc_map[i].elf_val, abfd);
return NULL;
}
/* Implement bfd_elf32_bfd_reloc_name_lookup:
Given a reloc name, return a howto structure. */
static reloc_howto_type *
-nios2_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+nios2_elf32_bfd_reloc_name_lookup (bfd *abfd,
const char *r_name)
{
- unsigned int i;
- for (i = 0;
- i < (sizeof (elf_nios2_howto_table_rel)
- / sizeof (elf_nios2_howto_table_rel[0]));
- i++)
- if (elf_nios2_howto_table_rel[i].name
- && strcasecmp (elf_nios2_howto_table_rel[i].name, r_name) == 0)
- return &elf_nios2_howto_table_rel[i];
+ int i;
+ reloc_howto_type *howto_tbl;
+ int howto_tbl_size;
+ if (BFD_IS_R2 (abfd))
+ {
+ howto_tbl = elf_nios2_r2_howto_table_rel;
+ howto_tbl_size = (int) (sizeof (elf_nios2_r2_howto_table_rel)
+ / sizeof (elf_nios2_r2_howto_table_rel[0]));
+ }
+ else
+ {
+ howto_tbl = elf_nios2_r1_howto_table_rel;
+ howto_tbl_size = (int) (sizeof (elf_nios2_r1_howto_table_rel)
+ / sizeof (elf_nios2_r1_howto_table_rel[0]));
+ }
+
+ for (i = 0; i < howto_tbl_size; i++)
+ if (howto_tbl[i].name && strcasecmp (howto_tbl[i].name, r_name) == 0)
+ return howto_tbl + i;
return NULL;
}
/* Implement elf_info_to_howto:
Given a ELF32 relocation, fill in a arelent structure. */
static void
-nios2_elf32_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
+nios2_elf32_info_to_howto (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 < R_NIOS2_ILLEGAL);
- cache_ptr->howto = &elf_nios2_howto_table_rel[r_type];
+ cache_ptr->howto = lookup_howto (r_type, abfd);
}
/* Return the base VMA address which should be subtracted from real addresses
+ offset))
return bfd_reloc_overflow;
+ /* Check that the target address is correctly aligned on a 4-byte
+ boundary. */
+ if ((symbol_value + addend) & 0x3)
+ return bfd_reloc_overflow;
+
return _bfd_final_link_relocate (howto, abfd, input_section,
data, offset, symbol_value, addend);
}
r_type = ELF32_R_TYPE (rel->r_info);
r_symndx = ELF32_R_SYM (rel->r_info);
- howto = lookup_howto ((unsigned) ELF32_R_TYPE (rel->r_info));
+ howto = lookup_howto ((unsigned) ELF32_R_TYPE (rel->r_info), output_bfd);
h = NULL;
sym = NULL;
sec = NULL;
projects / binutils-gdb.git / commitdiff