From: Sandra Loosemore Date: Wed, 1 Jul 2015 23:02:09 +0000 (-0700) Subject: Relocations for Nios II R2 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8c163c5a87f3e16f34ea9a0565767a23dccd5983;p=binutils-gdb.git Relocations for Nios II R2 2015-07-01 Sandra Loosemore Cesar Philippidis bfd/ * bfd-in2.h: Regenerated. * elf32-nios2.c (elf_nios2_howto_table_rel): Rename to... (elf_nios2_r1_howto_table_rel): This. (elf_nios2_r2_howto_table_rel): New. (BFD_IS_R2): New. (lookup_howto): Add ABFD parameter. Adjust to look up in either the R1 or R2 relocation table, as determined by ABFD. (nios2_reloc_map): Add R2 relocations. (nios2_elf32_bfd_reloc_type_lookup): Do lookup using lookup_howto. Pass it the ABFD parameter. (nios2_elf32_bfd_reloc_name_lookup): Use ABFD to decide whether to return an R1 or R2 relocation. (nios2_elf32_info_to_howto): Do lookup using lookup_howto. Pass it the ABFD parameter. (nios2_elf32_do_call26_relocate): Check for alignment on a 4-byte boundary. (nios2_elf32_relocate_section): Adjust call to lookup_howto. * libbfd.h: Regenerated. * reloc.c (BFD_RELOC_NIOS2_R2_S12): New. (BFD_RELOC_NIOS2_R2_I10_1_PCREL): New. (BFD_RELOC_NIOS2_R2_T1I7_1_PCREL): New. (BFD_RELOC_NIOS2_R2_T1I7_2): New. (BFD_RELOC_NIOS2_R2_T2I4): New. (BFD_RELOC_NIOS2_R2_T2I4_1): New. (BFD_RELOC_NIOS2_R2_T2I4_2): New. (BFD_RELOC_NIOS2_R2_X1I7_2): New. (BFD_RELOC_NIOS2_R2_X2L5): New. (BFD_RELOC_NIOS2_R2_F1I5_2): New. (BFD_RELOC_NIOS2_R2_L5I4X1): New. (BFD_RELOC_NIOS2_R2_T1X1I6): New. (BFD_RELOC_NIOS2_R2_T1X1I6_2): New. include/elf/ * nios2.h (R_NIOS2_R2_S12): New. (R_NIOS2_R2_I10_1_PCREL): New. (R_NIOS2_R2_T1I7_1_PCREL): New. (R_NIOS2_R2_T1I7_2): New. (R_NIOS2_R2_T2I4): New. (R_NIOS2_R2_T2I4_1): New. (R_NIOS2_R2_T2I4_2): New. (R_NIOS2_R2_X1I7_2): New. (R_NIOS2_R2_X2L5): New. (R_NIOS2_R2_F1I5_2): New. (R_NIOS2_R2_L5I4X1): New. (R_NIOS2_R2_T1X1I6): New. (R_NIOS2_R2_T1X1I6_2): New. (R_NIOS2_ILLEGAL): Renumber. --- diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 701f17737ef..c2f404c2535 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,38 @@ +2015-07-01 Sandra Loosemore + Cesar Philippidis + + * bfd-in2.h: Regenerated. + * elf32-nios2.c (elf_nios2_howto_table_rel): Rename to... + (elf_nios2_r1_howto_table_rel): This. + (elf_nios2_r2_howto_table_rel): New. + (BFD_IS_R2): New. + (lookup_howto): Add ABFD parameter. Adjust to look up in either + the R1 or R2 relocation table, as determined by ABFD. + (nios2_reloc_map): Add R2 relocations. + (nios2_elf32_bfd_reloc_type_lookup): Do lookup using lookup_howto. + Pass it the ABFD parameter. + (nios2_elf32_bfd_reloc_name_lookup): Use ABFD to decide whether to + return an R1 or R2 relocation. + (nios2_elf32_info_to_howto): Do lookup using lookup_howto. + Pass it the ABFD parameter. + (nios2_elf32_do_call26_relocate): Check for alignment on a 4-byte + boundary. + (nios2_elf32_relocate_section): Adjust call to lookup_howto. + * libbfd.h: Regenerated. + * reloc.c (BFD_RELOC_NIOS2_R2_S12): New. + (BFD_RELOC_NIOS2_R2_I10_1_PCREL): New. + (BFD_RELOC_NIOS2_R2_T1I7_1_PCREL): New. + (BFD_RELOC_NIOS2_R2_T1I7_2): New. + (BFD_RELOC_NIOS2_R2_T2I4): New. + (BFD_RELOC_NIOS2_R2_T2I4_1): New. + (BFD_RELOC_NIOS2_R2_T2I4_2): New. + (BFD_RELOC_NIOS2_R2_X1I7_2): New. + (BFD_RELOC_NIOS2_R2_X2L5): New. + (BFD_RELOC_NIOS2_R2_F1I5_2): New. + (BFD_RELOC_NIOS2_R2_L5I4X1): New. + (BFD_RELOC_NIOS2_R2_T1X1I6): New. + (BFD_RELOC_NIOS2_R2_T1X1I6_2): New. + 2015-07-01 Sandra Loosemore Cesar Philippidis diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index 83d729eec1d..85f2054ba58 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -5353,6 +5353,19 @@ a matching LO8XG part. */ BFD_RELOC_NIOS2_GOT_HA, BFD_RELOC_NIOS2_CALL_LO, BFD_RELOC_NIOS2_CALL_HA, + BFD_RELOC_NIOS2_R2_S12, + BFD_RELOC_NIOS2_R2_I10_1_PCREL, + BFD_RELOC_NIOS2_R2_T1I7_1_PCREL, + BFD_RELOC_NIOS2_R2_T1I7_2, + BFD_RELOC_NIOS2_R2_T2I4, + BFD_RELOC_NIOS2_R2_T2I4_1, + BFD_RELOC_NIOS2_R2_T2I4_2, + BFD_RELOC_NIOS2_R2_X1I7_2, + BFD_RELOC_NIOS2_R2_X2L5, + BFD_RELOC_NIOS2_R2_F1I5_2, + BFD_RELOC_NIOS2_R2_L5I4X1, + BFD_RELOC_NIOS2_R2_T1X1I6, + BFD_RELOC_NIOS2_R2_T1X1I6_2, /* IQ2000 Relocations. */ BFD_RELOC_IQ2000_OFFSET_16, diff --git a/bfd/elf32-nios2.c b/bfd/elf32-nios2.c index 6a1372b71ab..e5b7763ffd7 100644 --- a/bfd/elf32-nios2.c +++ b/bfd/elf32-nios2.c @@ -75,8 +75,9 @@ extern const bfd_target nios2_elf32_be_vec; #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 */ @@ -729,31 +730,887 @@ static reloc_howto_type elf_nios2_howto_table_rel[] = { /* 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. */ @@ -810,6 +1667,19 @@ static const struct elf_reloc_map nios2_reloc_map[] = { {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 @@ -2107,47 +2977,58 @@ nios2_elf32_merge_private_bfd_data (bfd *ibfd, bfd *obfd) /* 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 @@ -2364,6 +3245,11 @@ nios2_elf32_do_call26_relocate (bfd *abfd, reloc_howto_type *howto, + 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); } @@ -2847,7 +3733,7 @@ nios2_elf32_relocate_section (bfd *output_bfd, 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; diff --git a/bfd/libbfd.h b/bfd/libbfd.h index cc195523fc3..39c5e717295 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -2600,6 +2600,19 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", "BFD_RELOC_NIOS2_GOT_HA", "BFD_RELOC_NIOS2_CALL_LO", "BFD_RELOC_NIOS2_CALL_HA", + "BFD_RELOC_NIOS2_R2_S12", + "BFD_RELOC_NIOS2_R2_I10_1_PCREL", + "BFD_RELOC_NIOS2_R2_T1I7_1_PCREL", + "BFD_RELOC_NIOS2_R2_T1I7_2", + "BFD_RELOC_NIOS2_R2_T2I4", + "BFD_RELOC_NIOS2_R2_T2I4_1", + "BFD_RELOC_NIOS2_R2_T2I4_2", + "BFD_RELOC_NIOS2_R2_X1I7_2", + "BFD_RELOC_NIOS2_R2_X2L5", + "BFD_RELOC_NIOS2_R2_F1I5_2", + "BFD_RELOC_NIOS2_R2_L5I4X1", + "BFD_RELOC_NIOS2_R2_T1X1I6", + "BFD_RELOC_NIOS2_R2_T1X1I6_2", "BFD_RELOC_IQ2000_OFFSET_16", "BFD_RELOC_IQ2000_OFFSET_21", "BFD_RELOC_IQ2000_UHI16", diff --git a/bfd/reloc.c b/bfd/reloc.c index 9a0687815d7..1d16670c4f6 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -6232,6 +6232,32 @@ ENUMX BFD_RELOC_NIOS2_CALL_LO ENUMX BFD_RELOC_NIOS2_CALL_HA +ENUMX + BFD_RELOC_NIOS2_R2_S12 +ENUMX + BFD_RELOC_NIOS2_R2_I10_1_PCREL +ENUMX + BFD_RELOC_NIOS2_R2_T1I7_1_PCREL +ENUMX + BFD_RELOC_NIOS2_R2_T1I7_2 +ENUMX + BFD_RELOC_NIOS2_R2_T2I4 +ENUMX + BFD_RELOC_NIOS2_R2_T2I4_1 +ENUMX + BFD_RELOC_NIOS2_R2_T2I4_2 +ENUMX + BFD_RELOC_NIOS2_R2_X1I7_2 +ENUMX + BFD_RELOC_NIOS2_R2_X2L5 +ENUMX + BFD_RELOC_NIOS2_R2_F1I5_2 +ENUMX + BFD_RELOC_NIOS2_R2_L5I4X1 +ENUMX + BFD_RELOC_NIOS2_R2_T1X1I6 +ENUMX + BFD_RELOC_NIOS2_R2_T1X1I6_2 ENUMDOC Relocations used by the Altera Nios II core. diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index 0c03d8e0d3f..7f8075331ee 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,21 @@ +2015-07-01 Sandra Loosemore + Cesar Philippidis + + * nios2.h (R_NIOS2_R2_S12): New. + (R_NIOS2_R2_I10_1_PCREL): New. + (R_NIOS2_R2_T1I7_1_PCREL): New. + (R_NIOS2_R2_T1I7_2): New. + (R_NIOS2_R2_T2I4): New. + (R_NIOS2_R2_T2I4_1): New. + (R_NIOS2_R2_T2I4_2): New. + (R_NIOS2_R2_X1I7_2): New. + (R_NIOS2_R2_X2L5): New. + (R_NIOS2_R2_F1I5_2): New. + (R_NIOS2_R2_L5I4X1): New. + (R_NIOS2_R2_T1X1I6): New. + (R_NIOS2_R2_T1X1I6_2): New. + (R_NIOS2_ILLEGAL): Renumber. + 2015-07-01 Sandra Loosemore Cesar Philippidis diff --git a/include/elf/nios2.h b/include/elf/nios2.h index 07f937f8df9..8ffa811aa06 100644 --- a/include/elf/nios2.h +++ b/include/elf/nios2.h @@ -34,6 +34,8 @@ function to work properly. */ START_RELOC_NUMBERS (elf_nios2_reloc_type) + /* Relocs used by both R1 and R2, with different howtos to match + the respective encodings. */ RELOC_NUMBER (R_NIOS2_NONE, 0) RELOC_NUMBER (R_NIOS2_S16, 1) RELOC_NUMBER (R_NIOS2_U16, 2) @@ -80,7 +82,24 @@ START_RELOC_NUMBERS (elf_nios2_reloc_type) RELOC_NUMBER (R_NIOS2_GOT_HA, 43) RELOC_NUMBER (R_NIOS2_CALL_LO, 44) RELOC_NUMBER (R_NIOS2_CALL_HA, 45) - RELOC_NUMBER (R_NIOS2_ILLEGAL, 46) + + /* Relocs specific to R2. */ + RELOC_NUMBER (R_NIOS2_R2_S12, 64) + RELOC_NUMBER (R_NIOS2_R2_I10_1_PCREL, 65) + RELOC_NUMBER (R_NIOS2_R2_T1I7_1_PCREL, 66) + RELOC_NUMBER (R_NIOS2_R2_T1I7_2, 67) + RELOC_NUMBER (R_NIOS2_R2_T2I4, 68) + RELOC_NUMBER (R_NIOS2_R2_T2I4_1, 69) + RELOC_NUMBER (R_NIOS2_R2_T2I4_2, 70) + RELOC_NUMBER (R_NIOS2_R2_X1I7_2, 71) + RELOC_NUMBER (R_NIOS2_R2_X2L5, 72) + RELOC_NUMBER (R_NIOS2_R2_F1I5_2, 73) + RELOC_NUMBER (R_NIOS2_R2_L5I4X1, 74) + RELOC_NUMBER (R_NIOS2_R2_T1X1I6, 75) + RELOC_NUMBER (R_NIOS2_R2_T1X1I6_2, 76) + + /* Last reloc. */ + RELOC_NUMBER (R_NIOS2_ILLEGAL, 77) END_RELOC_NUMBERS (R_NIOS2_maxext) /* Processor-specific section flags. */