| /* SuperH SH64-specific support for 64-bit ELF |
| Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, |
| 2010, 2011, 2012 Free Software Foundation, Inc. |
| |
| This file is part of BFD, the Binary File Descriptor library. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| #define SH64_ELF64 |
| |
| #include "sysdep.h" |
| #include "bfd.h" |
| #include "bfdlink.h" |
| #include "libbfd.h" |
| #include "elf-bfd.h" |
| #include "elf/sh.h" |
| |
| /* Add a suffix for datalabel indirection symbols. It must not match any |
| other symbols; user symbols with or without version or other |
| decoration. It must only be used internally and not emitted by any |
| means. */ |
| #define DATALABEL_SUFFIX " DL" |
| |
| #define GOT_BIAS (-((long)-32768)) |
| |
| #define PLT_ENTRY_SIZE 64 |
| |
| /* Return size of a PLT entry. */ |
| #define elf_sh64_sizeof_plt(info) PLT_ENTRY_SIZE |
| |
| /* Return offset of the PLT0 address in an absolute PLT entry. */ |
| #define elf_sh64_plt_plt0_offset(info) 32 |
| |
| /* Return offset of the linker in PLT0 entry. */ |
| #define elf_sh64_plt0_gotplt_offset(info) 0 |
| |
| /* Return offset of the trampoline in PLT entry */ |
| #define elf_sh64_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */ |
| |
| /* Return offset of the symbol in PLT entry. */ |
| #define elf_sh64_plt_symbol_offset(info) 0 |
| |
| /* Return offset of the relocation in PLT entry. */ |
| #define elf_sh64_plt_reloc_offset(info) (info->shared ? 52 : 44) |
| |
| #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1" |
| |
| /* The sh linker needs to keep track of the number of relocs that it |
| decides to copy in check_relocs for each symbol. This is so that |
| it can discard PC relative relocs if it doesn't need them when |
| linking with -Bsymbolic. We store the information in a field |
| extending the regular ELF linker hash table. */ |
| |
| /* This structure keeps track of the number of PC relative relocs we |
| have copied for a given symbol. */ |
| |
| struct elf_sh64_pcrel_relocs_copied |
| { |
| /* Next section. */ |
| struct elf_sh64_pcrel_relocs_copied *next; |
| /* A section in dynobj. */ |
| asection *section; |
| /* Number of relocs copied in this section. */ |
| bfd_size_type count; |
| }; |
| |
| /* sh ELF linker hash entry. */ |
| |
| struct elf_sh64_link_hash_entry |
| { |
| struct elf_link_hash_entry root; |
| |
| bfd_vma datalabel_got_offset; |
| |
| /* Number of PC relative relocs copied for this symbol. */ |
| struct elf_sh64_pcrel_relocs_copied *pcrel_relocs_copied; |
| }; |
| |
| /* Traverse an sh ELF linker hash table. */ |
| |
| #define sh64_elf64_link_hash_traverse(table, func, info) \ |
| (elf_link_hash_traverse \ |
| ((table), \ |
| (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \ |
| (info))) |
| |
| static bfd_reloc_status_type sh_elf64_ignore_reloc |
| (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| static bfd_reloc_status_type sh_elf64_reloc |
| (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| |
| static reloc_howto_type sh_elf64_howto_table[] = { |
| /* No relocation. */ |
| HOWTO (R_SH_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 */ |
| sh_elf64_ignore_reloc, /* special_function */ |
| "R_SH_NONE", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* 32 bit absolute relocation. Setting partial_inplace to TRUE and |
| src_mask to a non-zero value is similar to the COFF toolchain. */ |
| HOWTO (R_SH_DIR32, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 32, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_bitfield, /* complain_on_overflow */ |
| sh_elf64_reloc, /* special_function */ |
| "R_SH_DIR32", /* name */ |
| TRUE, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* 32 bit PC relative relocation. */ |
| HOWTO (R_SH_REL32, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 32, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| sh_elf64_ignore_reloc, /* special_function */ |
| "R_SH_REL32", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* For 32-bit sh, this is R_SH_DIR8WPN. */ |
| EMPTY_HOWTO (3), |
| |
| /* For 32-bit sh, this is R_SH_IND12W. */ |
| EMPTY_HOWTO (4), |
| |
| /* For 32-bit sh, this is R_SH_DIR8WPL. */ |
| EMPTY_HOWTO (5), |
| |
| /* For 32-bit sh, this is R_SH_DIR8WPZ. */ |
| EMPTY_HOWTO (6), |
| |
| /* For 32-bit sh, this is R_SH_DIR8BP. */ |
| EMPTY_HOWTO (7), |
| |
| /* For 32-bit sh, this is R_SH_DIR8W. */ |
| EMPTY_HOWTO (8), |
| |
| /* For 32-bit sh, this is R_SH_DIR8L. */ |
| EMPTY_HOWTO (9), |
| |
| EMPTY_HOWTO (10), |
| EMPTY_HOWTO (11), |
| EMPTY_HOWTO (12), |
| EMPTY_HOWTO (13), |
| EMPTY_HOWTO (14), |
| EMPTY_HOWTO (15), |
| EMPTY_HOWTO (16), |
| EMPTY_HOWTO (17), |
| EMPTY_HOWTO (18), |
| EMPTY_HOWTO (19), |
| EMPTY_HOWTO (20), |
| EMPTY_HOWTO (21), |
| EMPTY_HOWTO (22), |
| EMPTY_HOWTO (23), |
| EMPTY_HOWTO (24), |
| |
| /* The remaining relocs are a GNU extension used for relaxing. The |
| final pass of the linker never needs to do anything with any of |
| these relocs. Any required operations are handled by the |
| relaxation code. */ |
| |
| /* A 16 bit switch table entry. This is generated for an expression |
| such as ``.word L1 - L2''. The offset holds the difference |
| between the reloc address and L2. */ |
| HOWTO (R_SH_SWITCH16, /* type */ |
| 0, /* rightshift */ |
| 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 16, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_unsigned, /* complain_on_overflow */ |
| sh_elf64_ignore_reloc, /* special_function */ |
| "R_SH_SWITCH16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* A 32 bit switch table entry. This is generated for an expression |
| such as ``.long L1 - L2''. The offset holds the difference |
| between the reloc address and L2. */ |
| HOWTO (R_SH_SWITCH32, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 32, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_unsigned, /* complain_on_overflow */ |
| sh_elf64_ignore_reloc, /* special_function */ |
| "R_SH_SWITCH32", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* For 32-bit sh, this is R_SH_USES. */ |
| EMPTY_HOWTO (27), |
| |
| /* For 32-bit sh, this is R_SH_COUNT. */ |
| EMPTY_HOWTO (28), |
| |
| /* For 32-bit sh, this is R_SH_ALIGN. FIXME: For linker relaxation, |
| this might be emitted. When linker relaxation is implemented, we |
| might want to use it. */ |
| EMPTY_HOWTO (29), |
| |
| /* For 32-bit sh, this is R_SH_CODE. FIXME: For linker relaxation, |
| this might be emitted. When linker relaxation is implemented, we |
| might want to use it. */ |
| EMPTY_HOWTO (30), |
| |
| /* For 32-bit sh, this is R_SH_DATA. FIXME: For linker relaxation, |
| this might be emitted. When linker relaxation is implemented, we |
| might want to use it. */ |
| EMPTY_HOWTO (31), |
| |
| /* For 32-bit sh, this is R_SH_LABEL. FIXME: For linker relaxation, |
| this might be emitted. When linker relaxation is implemented, we |
| might want to use it. */ |
| EMPTY_HOWTO (32), |
| |
| /* An 8 bit switch table entry. This is generated for an expression |
| such as ``.word L1 - L2''. The offset holds the difference |
| between the reloc address and L2. */ |
| HOWTO (R_SH_SWITCH8, /* type */ |
| 0, /* rightshift */ |
| 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 8, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_unsigned, /* complain_on_overflow */ |
| sh_elf64_ignore_reloc, /* special_function */ |
| "R_SH_SWITCH8", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* GNU extension to record C++ vtable hierarchy */ |
| HOWTO (R_SH_GNU_VTINHERIT, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 0, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| NULL, /* special_function */ |
| "R_SH_GNU_VTINHERIT", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* GNU extension to record C++ vtable member usage */ |
| HOWTO (R_SH_GNU_VTENTRY, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 0, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_elf_rel_vtable_reloc_fn, /* special_function */ |
| "R_SH_GNU_VTENTRY", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* For 32-bit sh, this is R_SH_LOOP_START. */ |
| EMPTY_HOWTO (36), |
| |
| /* For 32-bit sh, this is R_SH_LOOP_END. */ |
| EMPTY_HOWTO (37), |
| |
| EMPTY_HOWTO (38), |
| EMPTY_HOWTO (39), |
| EMPTY_HOWTO (40), |
| EMPTY_HOWTO (41), |
| EMPTY_HOWTO (42), |
| EMPTY_HOWTO (43), |
| EMPTY_HOWTO (44), |
| |
| /* Used in SHLLI.L and SHLRI.L. */ |
| HOWTO (R_SH_DIR5U, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 5, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_unsigned, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_DIR5U", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xfc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in SHARI, SHLLI et al. */ |
| HOWTO (R_SH_DIR6U, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 6, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_unsigned, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_DIR6U", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xfc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in BxxI, LDHI.L et al. */ |
| HOWTO (R_SH_DIR6S, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 6, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_DIR6S", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xfc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in ADDI, ANDI et al. */ |
| HOWTO (R_SH_DIR10S, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 10, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_DIR10S", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in LD.UW, ST.W et al. */ |
| HOWTO (R_SH_DIR10SW, /* type */ |
| 1, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 11, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_DIR10SW", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in LD.L, FLD.S et al. */ |
| HOWTO (R_SH_DIR10SL, /* type */ |
| 2, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 12, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_DIR10SL", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in FLD.D, FST.P et al. */ |
| HOWTO (R_SH_DIR10SQ, /* type */ |
| 3, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 13, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_DIR10SQ", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| EMPTY_HOWTO (52), |
| EMPTY_HOWTO (53), |
| EMPTY_HOWTO (54), |
| EMPTY_HOWTO (55), |
| EMPTY_HOWTO (56), |
| EMPTY_HOWTO (57), |
| EMPTY_HOWTO (58), |
| EMPTY_HOWTO (59), |
| EMPTY_HOWTO (60), |
| EMPTY_HOWTO (61), |
| EMPTY_HOWTO (62), |
| EMPTY_HOWTO (63), |
| EMPTY_HOWTO (64), |
| EMPTY_HOWTO (65), |
| EMPTY_HOWTO (66), |
| EMPTY_HOWTO (67), |
| EMPTY_HOWTO (68), |
| EMPTY_HOWTO (69), |
| EMPTY_HOWTO (70), |
| EMPTY_HOWTO (71), |
| EMPTY_HOWTO (72), |
| EMPTY_HOWTO (73), |
| EMPTY_HOWTO (74), |
| EMPTY_HOWTO (75), |
| EMPTY_HOWTO (76), |
| EMPTY_HOWTO (77), |
| EMPTY_HOWTO (78), |
| EMPTY_HOWTO (79), |
| EMPTY_HOWTO (80), |
| EMPTY_HOWTO (81), |
| EMPTY_HOWTO (82), |
| EMPTY_HOWTO (83), |
| EMPTY_HOWTO (84), |
| EMPTY_HOWTO (85), |
| EMPTY_HOWTO (86), |
| EMPTY_HOWTO (87), |
| EMPTY_HOWTO (88), |
| EMPTY_HOWTO (89), |
| EMPTY_HOWTO (90), |
| EMPTY_HOWTO (91), |
| EMPTY_HOWTO (92), |
| EMPTY_HOWTO (93), |
| EMPTY_HOWTO (94), |
| EMPTY_HOWTO (95), |
| EMPTY_HOWTO (96), |
| EMPTY_HOWTO (97), |
| EMPTY_HOWTO (98), |
| EMPTY_HOWTO (99), |
| EMPTY_HOWTO (100), |
| EMPTY_HOWTO (101), |
| EMPTY_HOWTO (102), |
| EMPTY_HOWTO (103), |
| EMPTY_HOWTO (104), |
| EMPTY_HOWTO (105), |
| EMPTY_HOWTO (106), |
| EMPTY_HOWTO (107), |
| EMPTY_HOWTO (108), |
| EMPTY_HOWTO (109), |
| EMPTY_HOWTO (110), |
| EMPTY_HOWTO (111), |
| EMPTY_HOWTO (112), |
| EMPTY_HOWTO (113), |
| EMPTY_HOWTO (114), |
| EMPTY_HOWTO (115), |
| EMPTY_HOWTO (116), |
| EMPTY_HOWTO (117), |
| EMPTY_HOWTO (118), |
| EMPTY_HOWTO (119), |
| EMPTY_HOWTO (120), |
| EMPTY_HOWTO (121), |
| EMPTY_HOWTO (122), |
| EMPTY_HOWTO (123), |
| EMPTY_HOWTO (124), |
| EMPTY_HOWTO (125), |
| EMPTY_HOWTO (126), |
| EMPTY_HOWTO (127), |
| EMPTY_HOWTO (128), |
| EMPTY_HOWTO (129), |
| EMPTY_HOWTO (130), |
| EMPTY_HOWTO (131), |
| EMPTY_HOWTO (132), |
| EMPTY_HOWTO (133), |
| EMPTY_HOWTO (134), |
| EMPTY_HOWTO (135), |
| EMPTY_HOWTO (136), |
| EMPTY_HOWTO (137), |
| EMPTY_HOWTO (138), |
| EMPTY_HOWTO (139), |
| EMPTY_HOWTO (140), |
| EMPTY_HOWTO (141), |
| EMPTY_HOWTO (142), |
| EMPTY_HOWTO (143), |
| EMPTY_HOWTO (144), |
| EMPTY_HOWTO (145), |
| EMPTY_HOWTO (146), |
| EMPTY_HOWTO (147), |
| EMPTY_HOWTO (148), |
| EMPTY_HOWTO (149), |
| EMPTY_HOWTO (150), |
| EMPTY_HOWTO (151), |
| EMPTY_HOWTO (152), |
| EMPTY_HOWTO (153), |
| EMPTY_HOWTO (154), |
| EMPTY_HOWTO (155), |
| EMPTY_HOWTO (156), |
| EMPTY_HOWTO (157), |
| EMPTY_HOWTO (158), |
| EMPTY_HOWTO (159), |
| |
| /* Relocs for dynamic linking for 32-bit SH would follow. We don't have |
| any dynamic linking support for 64-bit SH at present. */ |
| |
| EMPTY_HOWTO (160), |
| EMPTY_HOWTO (161), |
| EMPTY_HOWTO (162), |
| EMPTY_HOWTO (163), |
| EMPTY_HOWTO (164), |
| EMPTY_HOWTO (165), |
| EMPTY_HOWTO (166), |
| EMPTY_HOWTO (167), |
| EMPTY_HOWTO (168), |
| |
| /* Back to SH5 relocations. */ |
| /* Used in MOVI and SHORI (x & 65536). */ |
| HOWTO (R_SH_GOT_LOW16, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOT_LOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 16) & 65536). */ |
| HOWTO (R_SH_GOT_MEDLOW16, /* type */ |
| 16, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOT_MEDLOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 32) & 65536). */ |
| HOWTO (R_SH_GOT_MEDHI16, /* type */ |
| 32, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOT_MEDHI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 48) & 65536). */ |
| HOWTO (R_SH_GOT_HI16, /* type */ |
| 48, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOT_HI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI (x & 65536). */ |
| HOWTO (R_SH_GOTPLT_LOW16, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTPLT_LOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 16) & 65536). */ |
| HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */ |
| 16, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTPLT_MEDLOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 32) & 65536). */ |
| HOWTO (R_SH_GOTPLT_MEDHI16, /* type */ |
| 32, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTPLT_MEDHI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 48) & 65536). */ |
| HOWTO (R_SH_GOTPLT_HI16, /* type */ |
| 48, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTPLT_HI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI (x & 65536). */ |
| HOWTO (R_SH_PLT_LOW16, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_PLT_LOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 16) & 65536). */ |
| HOWTO (R_SH_PLT_MEDLOW16, /* type */ |
| 16, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_PLT_MEDLOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 32) & 65536). */ |
| HOWTO (R_SH_PLT_MEDHI16, /* type */ |
| 32, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_PLT_MEDHI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 48) & 65536). */ |
| HOWTO (R_SH_PLT_HI16, /* type */ |
| 48, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_PLT_HI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI (x & 65536). */ |
| HOWTO (R_SH_GOTOFF_LOW16, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTOFF_LOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 16) & 65536). */ |
| HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */ |
| 16, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTOFF_MEDLOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 32) & 65536). */ |
| HOWTO (R_SH_GOTOFF_MEDHI16, /* type */ |
| 32, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTOFF_MEDHI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 48) & 65536). */ |
| HOWTO (R_SH_GOTOFF_HI16, /* type */ |
| 48, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTOFF_HI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI (x & 65536). */ |
| HOWTO (R_SH_GOTPC_LOW16, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTPC_LOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 16) & 65536). */ |
| HOWTO (R_SH_GOTPC_MEDLOW16, /* type */ |
| 16, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTPC_MEDLOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 32) & 65536). */ |
| HOWTO (R_SH_GOTPC_MEDHI16, /* type */ |
| 32, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTPC_MEDHI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 48) & 65536). */ |
| HOWTO (R_SH_GOTPC_HI16, /* type */ |
| 48, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTPC_HI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in LD.L, FLD.S et al. */ |
| HOWTO (R_SH_GOT10BY4, /* type */ |
| 2, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 12, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOT10BY4", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in LD.L, FLD.S et al. */ |
| HOWTO (R_SH_GOTPLT10BY4, /* type */ |
| 2, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 12, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTPLT10BY4", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in FLD.D, FST.P et al. */ |
| HOWTO (R_SH_GOT10BY8, /* type */ |
| 3, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 13, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOT10BY8", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in FLD.D, FST.P et al. */ |
| HOWTO (R_SH_GOTPLT10BY8, /* type */ |
| 3, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 13, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GOTPLT10BY8", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0xffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| HOWTO (R_SH_COPY64, /* type */ |
| 0, /* rightshift */ |
| 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_COPY64", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| ((bfd_vma) 0) - 1, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| HOWTO (R_SH_GLOB_DAT64, /* type */ |
| 0, /* rightshift */ |
| 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_GLOB_DAT64", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| ((bfd_vma) 0) - 1, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| HOWTO (R_SH_JMP_SLOT64, /* type */ |
| 0, /* rightshift */ |
| 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_JMP_SLOT64", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| ((bfd_vma) 0) - 1, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| HOWTO (R_SH_RELATIVE64, /* type */ |
| 0, /* rightshift */ |
| 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_RELATIVE64", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| ((bfd_vma) 0) - 1, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| EMPTY_HOWTO (197), |
| EMPTY_HOWTO (198), |
| EMPTY_HOWTO (199), |
| EMPTY_HOWTO (200), |
| EMPTY_HOWTO (201), |
| EMPTY_HOWTO (202), |
| EMPTY_HOWTO (203), |
| EMPTY_HOWTO (204), |
| EMPTY_HOWTO (205), |
| EMPTY_HOWTO (206), |
| EMPTY_HOWTO (207), |
| EMPTY_HOWTO (208), |
| EMPTY_HOWTO (209), |
| EMPTY_HOWTO (210), |
| EMPTY_HOWTO (211), |
| EMPTY_HOWTO (212), |
| EMPTY_HOWTO (213), |
| EMPTY_HOWTO (214), |
| EMPTY_HOWTO (215), |
| EMPTY_HOWTO (216), |
| EMPTY_HOWTO (217), |
| EMPTY_HOWTO (218), |
| EMPTY_HOWTO (219), |
| EMPTY_HOWTO (220), |
| EMPTY_HOWTO (221), |
| EMPTY_HOWTO (222), |
| EMPTY_HOWTO (223), |
| EMPTY_HOWTO (224), |
| EMPTY_HOWTO (225), |
| EMPTY_HOWTO (226), |
| EMPTY_HOWTO (227), |
| EMPTY_HOWTO (228), |
| EMPTY_HOWTO (229), |
| EMPTY_HOWTO (230), |
| EMPTY_HOWTO (231), |
| EMPTY_HOWTO (232), |
| EMPTY_HOWTO (233), |
| EMPTY_HOWTO (234), |
| EMPTY_HOWTO (235), |
| EMPTY_HOWTO (236), |
| EMPTY_HOWTO (237), |
| EMPTY_HOWTO (238), |
| EMPTY_HOWTO (239), |
| EMPTY_HOWTO (240), |
| EMPTY_HOWTO (241), |
| |
| /* Relocations for SHmedia code. None of these are partial_inplace or |
| use the field being relocated. */ |
| |
| /* The assembler will generate this reloc before a block of SHmedia |
| instructions. A section should be processed as assuming it contains |
| data, unless this reloc is seen. Note that a block of SHcompact |
| instructions are instead preceded by R_SH_CODE. |
| This is currently not implemented, but should be used for SHmedia |
| linker relaxation. */ |
| HOWTO (R_SH_SHMEDIA_CODE, /* type */ |
| 0, /* rightshift */ |
| 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 0, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_unsigned, /* complain_on_overflow */ |
| sh_elf64_ignore_reloc, /* special_function */ |
| "R_SH_SHMEDIA_CODE", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* The assembler will generate this reloc at a PTA or PTB instruction, |
| and the linker checks the right type of target, or changes a PTA to a |
| PTB, if the original insn was PT. */ |
| HOWTO (R_SH_PT_16, /* type */ |
| 2, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 18, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_PT_16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in unexpanded MOVI. */ |
| HOWTO (R_SH_IMMS16, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 16, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_IMMS16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in SHORI. */ |
| HOWTO (R_SH_IMMU16, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 16, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_unsigned, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_IMMU16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI (x & 65536). */ |
| HOWTO (R_SH_IMM_LOW16, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_IMM_LOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x - $) & 65536). */ |
| HOWTO (R_SH_IMM_LOW16_PCREL, /* type */ |
| 0, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_IMM_LOW16_PCREL", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 16) & 65536). */ |
| HOWTO (R_SH_IMM_MEDLOW16, /* type */ |
| 16, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_IMM_MEDLOW16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */ |
| HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */ |
| 16, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_IMM_MEDLOW16_PCREL", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 32) & 65536). */ |
| HOWTO (R_SH_IMM_MEDHI16, /* type */ |
| 32, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_IMM_MEDHI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */ |
| HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */ |
| 32, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_IMM_MEDHI16_PCREL", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI ((x >> 48) & 65536). */ |
| HOWTO (R_SH_IMM_HI16, /* type */ |
| 48, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_IMM_HI16", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */ |
| HOWTO (R_SH_IMM_HI16_PCREL, /* type */ |
| 48, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_IMM_HI16_PCREL", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0x3fffc00, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| /* For the .uaquad pseudo. */ |
| HOWTO (R_SH_64, /* type */ |
| 0, /* rightshift */ |
| 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| FALSE, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_64", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| ((bfd_vma) 0) - 1, /* dst_mask */ |
| FALSE), /* pcrel_offset */ |
| |
| /* For the .uaquad pseudo, (x - $). */ |
| HOWTO (R_SH_64_PCREL, /* type */ |
| 48, /* rightshift */ |
| 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 64, /* bitsize */ |
| TRUE, /* pc_relative */ |
| 10, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| bfd_elf_generic_reloc, /* special_function */ |
| "R_SH_64_PCREL", /* name */ |
| FALSE, /* partial_inplace */ |
| 0, /* src_mask */ |
| ((bfd_vma) 0) - 1, /* dst_mask */ |
| TRUE), /* pcrel_offset */ |
| |
| }; |
| |
| /* This function is used for relocs which are only used for relaxing, |
| which the linker should otherwise ignore. */ |
| |
| static bfd_reloc_status_type |
| sh_elf64_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry, |
| asymbol *symbol ATTRIBUTE_UNUSED, |
| void *data ATTRIBUTE_UNUSED, asection *input_section, |
| bfd *output_bfd, |
| char **error_message ATTRIBUTE_UNUSED) |
| { |
| if (output_bfd != NULL) |
| reloc_entry->address += input_section->output_offset; |
| return bfd_reloc_ok; |
| } |
| |
| /* This function is used for normal relocs. This used to be like the COFF |
| function, and is almost certainly incorrect for other ELF targets. |
| |
| See sh_elf_reloc in elf32-sh.c for the original. */ |
| |
| static bfd_reloc_status_type |
| sh_elf64_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in, |
| void *data, asection *input_section, bfd *output_bfd, |
| char **error_message ATTRIBUTE_UNUSED) |
| { |
| unsigned long insn; |
| bfd_vma sym_value; |
| enum elf_sh_reloc_type r_type; |
| bfd_vma addr = reloc_entry->address; |
| bfd_byte *hit_data = addr + (bfd_byte *) data; |
| |
| r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type; |
| |
| if (output_bfd != NULL) |
| { |
| /* Partial linking--do nothing. */ |
| reloc_entry->address += input_section->output_offset; |
| return bfd_reloc_ok; |
| } |
| |
| if (symbol_in != NULL |
| && bfd_is_und_section (symbol_in->section)) |
| return bfd_reloc_undefined; |
| |
| if (bfd_is_com_section (symbol_in->section)) |
| sym_value = 0; |
| else |
| sym_value = (symbol_in->value + |
| symbol_in->section->output_section->vma + |
| symbol_in->section->output_offset); |
| |
| switch (r_type) |
| { |
| case R_SH_DIR32: |
| insn = bfd_get_32 (abfd, hit_data); |
| insn += sym_value + reloc_entry->addend; |
| bfd_put_32 (abfd, insn, hit_data); |
| break; |
| |
| default: |
| abort (); |
| break; |
| } |
| |
| return bfd_reloc_ok; |
| } |
| |
| /* This structure is used to map BFD reloc codes to SH ELF relocs. */ |
| |
| struct elf_reloc_map |
| { |
| bfd_reloc_code_real_type bfd_reloc_val; |
| unsigned char elf_reloc_val; |
| }; |
| |
| /* An array mapping BFD reloc codes to SH ELF relocs. */ |
| |
| static const struct elf_reloc_map sh64_reloc_map[] = |
| { |
| { BFD_RELOC_NONE, R_SH_NONE }, |
| { BFD_RELOC_32, R_SH_DIR32 }, |
| { BFD_RELOC_CTOR, R_SH_DIR32 }, |
| { BFD_RELOC_32_PCREL, R_SH_REL32 }, |
| { BFD_RELOC_8_PCREL, R_SH_SWITCH8 }, |
| { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 }, |
| { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 }, |
| { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT }, |
| { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY }, |
| { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 }, |
| { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 }, |
| { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 }, |
| { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 }, |
| { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 }, |
| { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 }, |
| { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 }, |
| { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 }, |
| { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 }, |
| { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 }, |
| { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 }, |
| { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 }, |
| { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 }, |
| { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 }, |
| { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 }, |
| { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 }, |
| { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 }, |
| { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 }, |
| { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 }, |
| { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 }, |
| { BFD_RELOC_SH_COPY64, R_SH_COPY64 }, |
| { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 }, |
| { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 }, |
| { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 }, |
| { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 }, |
| { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 }, |
| { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 }, |
| { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 }, |
| { BFD_RELOC_SH_PT_16, R_SH_PT_16 }, |
| { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE }, |
| { BFD_RELOC_SH_IMMU5, R_SH_DIR5U }, |
| { BFD_RELOC_SH_IMMS6, R_SH_DIR6S }, |
| { BFD_RELOC_SH_IMMU6, R_SH_DIR6U }, |
| { BFD_RELOC_SH_IMMS10, R_SH_DIR10S }, |
| { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW }, |
| { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL }, |
| { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ }, |
| { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 }, |
| { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 }, |
| { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 }, |
| { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL }, |
| { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 }, |
| { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL }, |
| { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 }, |
| { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL }, |
| { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 }, |
| { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL }, |
| { BFD_RELOC_64, R_SH_64 }, |
| { BFD_RELOC_64_PCREL, R_SH_64_PCREL }, |
| }; |
| |
| /* Given a BFD reloc code, return the howto structure for the |
| corresponding SH ELf reloc. */ |
| |
| static reloc_howto_type * |
| sh_elf64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| bfd_reloc_code_real_type code) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < sizeof (sh64_reloc_map) / sizeof (struct elf_reloc_map); i++) |
| { |
| if (sh64_reloc_map[i].bfd_reloc_val == code) |
| return &sh_elf64_howto_table[(int) sh64_reloc_map[i].elf_reloc_val]; |
| } |
| |
| return NULL; |
| } |
| |
| static reloc_howto_type * |
| sh_elf64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| const char *r_name) |
| { |
| unsigned int i; |
| |
| for (i = 0; |
| i < sizeof (sh_elf64_howto_table) / sizeof (sh_elf64_howto_table[0]); |
| i++) |
| if (sh_elf64_howto_table[i].name != NULL |
| && strcasecmp (sh_elf64_howto_table[i].name, r_name) == 0) |
| return &sh_elf64_howto_table[i]; |
| |
| return NULL; |
| } |
| |
| /* Given an ELF reloc, fill in the howto field of a relent. |
| |
| See sh_elf_info_to_howto in elf32-sh.c for the original. */ |
| |
| static void |
| sh_elf64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr, |
| Elf_Internal_Rela *dst) |
| { |
| unsigned int r; |
| |
| r = ELF64_R_TYPE (dst->r_info); |
| |
| BFD_ASSERT (r <= (unsigned int) R_SH_64_PCREL); |
| BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC); |
| BFD_ASSERT (r < R_SH_DIR8WPN || r > R_SH_LAST_INVALID_RELOC_2); |
| BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_GOTPLT32); |
| BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4); |
| |
| cache_ptr->howto = &sh_elf64_howto_table[r]; |
| } |
| |
| /* Relocate an SH ELF section. |
| |
| See sh_elf_info_to_howto in elf32-sh.c for the original. */ |
| |
| static bfd_boolean |
| sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, |
| struct bfd_link_info *info, bfd *input_bfd, |
| asection *input_section, bfd_byte *contents, |
| Elf_Internal_Rela *relocs, |
| Elf_Internal_Sym *local_syms, |
| asection **local_sections) |
| { |
| Elf_Internal_Shdr *symtab_hdr; |
| struct elf_link_hash_entry **sym_hashes; |
| Elf_Internal_Rela *rel, *relend; |
| bfd *dynobj; |
| bfd_vma *local_got_offsets; |
| asection *sgot; |
| asection *sgotplt; |
| asection *splt; |
| asection *sreloc; |
| bfd_vma disp, dropped; |
| |
| symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; |
| sym_hashes = elf_sym_hashes (input_bfd); |
| dynobj = elf_hash_table (info)->dynobj; |
| local_got_offsets = elf_local_got_offsets (input_bfd); |
| |
| sgot = NULL; |
| sgotplt = NULL; |
| splt = NULL; |
| sreloc = NULL; |
| |
| rel = relocs; |
| relend = relocs + input_section->reloc_count; |
| for (; rel < relend; rel++) |
| { |
| int r_type; |
| reloc_howto_type *howto; |
| unsigned long r_symndx; |
| Elf_Internal_Sym *sym; |
| asection *sec; |
| struct elf_link_hash_entry *h; |
| bfd_vma relocation; |
| bfd_vma addend = (bfd_vma)0; |
| bfd_reloc_status_type r; |
| int seen_stt_datalabel = 0; |
| |
| r_symndx = ELF64_R_SYM (rel->r_info); |
| |
| r_type = ELF64_R_TYPE (rel->r_info); |
| |
| if (r_type == (int) R_SH_NONE) |
| continue; |
| |
| if (r_type < 0 |
| || r_type > R_SH_64_PCREL |
| || (r_type >= (int) R_SH_FIRST_INVALID_RELOC |
| && r_type <= (int) R_SH_LAST_INVALID_RELOC) |
| || (r_type >= (int) R_SH_DIR8WPN |
| && r_type <= (int) R_SH_LAST_INVALID_RELOC) |
| || (r_type >= (int) R_SH_GNU_VTINHERIT |
| && r_type <= (int) R_SH_PSHL) |
| || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2 |
| && r_type <= R_SH_GOTPLT32) |
| || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_4 |
| && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)) |
| { |
| bfd_set_error (bfd_error_bad_value); |
| return FALSE; |
| } |
| |
| howto = sh_elf64_howto_table + r_type; |
| |
| h = NULL; |
| sym = NULL; |
| sec = NULL; |
| relocation = 0; |
| if (r_symndx < symtab_hdr->sh_info) |
| { |
| sym = local_syms + r_symndx; |
| sec = local_sections[r_symndx]; |
| relocation = ((sec->output_section->vma |
| + sec->output_offset |
| + sym->st_value) |
| | ((sym->st_other & STO_SH5_ISA32) != 0)); |
| |
| /* A local symbol never has STO_SH5_ISA32, so we don't need |
| datalabel processing here. Make sure this does not change |
| without notice. */ |
| if ((sym->st_other & STO_SH5_ISA32) != 0) |
| ((*info->callbacks->reloc_dangerous) |
| (info, |
| _("Unexpected STO_SH5_ISA32 on local symbol is not handled"), |
| input_bfd, input_section, rel->r_offset)); |
| |
| if (sec != NULL && discarded_section (sec)) |
| /* Handled below. */ |
| ; |
| else if (info->relocatable) |
| { |
| /* This is a relocatable link. We don't have to change |
| anything, unless the reloc is against a section symbol, |
| in which case we have to adjust according to where the |
| section symbol winds up in the output section. */ |
| if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) |
| goto final_link_relocate; |
| |
| continue; |
| } |
| else if (! howto->partial_inplace) |
| { |
| relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); |
| relocation |= ((sym->st_other & STO_SH5_ISA32) != 0); |
| } |
| else if ((sec->flags & SEC_MERGE) |
| && ELF_ST_TYPE (sym->st_info) == STT_SECTION) |
| { |
| asection *msec; |
| |
| if (howto->rightshift || howto->src_mask != 0xffffffff) |
| { |
| (*_bfd_error_handler) |
| (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"), |
| input_bfd, input_section, |
| (long) rel->r_offset, howto->name); |
| return FALSE; |
| } |
| |
| addend = bfd_get_32 (input_bfd, contents + rel->r_offset); |
| msec = sec; |
| addend = |
| _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) |
| - relocation; |
| addend += msec->output_section->vma + msec->output_offset; |
| bfd_put_32 (input_bfd, addend, contents + rel->r_offset); |
| addend = 0; |
| } |
| } |
| else |
| { |
| /* ??? Could we use the RELOC_FOR_GLOBAL_SYMBOL macro here ? */ |
| |
| h = sym_hashes[r_symndx - symtab_hdr->sh_info]; |
| while (h->root.type == bfd_link_hash_indirect |
| || h->root.type == bfd_link_hash_warning) |
| { |
| /* If the reference passes a symbol marked with |
| STT_DATALABEL, then any STO_SH5_ISA32 on the final value |
| doesn't count. */ |
| seen_stt_datalabel |= h->type == STT_DATALABEL; |
| h = (struct elf_link_hash_entry *) h->root.u.i.link; |
| } |
| |
| if (h->root.type == bfd_link_hash_defined |
| || h->root.type == bfd_link_hash_defweak) |
| { |
| sec = h->root.u.def.section; |
| /* In these cases, we don't need the relocation value. |
| We check specially because in some obscure cases |
| sec->output_section will be NULL. */ |
| if (r_type == R_SH_GOTPC_LOW16 |
| || r_type == R_SH_GOTPC_MEDLOW16 |
| || r_type == R_SH_GOTPC_MEDHI16 |
| || r_type == R_SH_GOTPC_HI16 |
| || ((r_type == R_SH_PLT_LOW16 |
| || r_type == R_SH_PLT_MEDLOW16 |
| || r_type == R_SH_PLT_MEDHI16 |
| || r_type == R_SH_PLT_HI16) |
| && h->plt.offset != (bfd_vma) -1) |
| || ((r_type == R_SH_GOT_LOW16 |
| || r_type == R_SH_GOT_MEDLOW16 |
| || r_type == R_SH_GOT_MEDHI16 |
| || r_type == R_SH_GOT_HI16) |
| && elf_hash_table (info)->dynamic_sections_created |
| && (! info->shared |
| || (! info->symbolic && h->dynindx != -1) |
| || !h->def_regular)) |
| /* The cases above are those in which relocation is |
| overwritten in the switch block below. The cases |
| below are those in which we must defer relocation |
| to run-time, because we can't resolve absolute |
| addresses when creating a shared library. */ |
| || (info->shared |
| && ((! info->symbolic && h->dynindx != -1) |
| || !h->def_regular) |
| && ((r_type == R_SH_64 |
| && !(ELF_ST_VISIBILITY (h->other) == STV_INTERNAL |
| || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)) |
| || r_type == R_SH_64_PCREL) |
| && ((input_section->flags & SEC_ALLOC) != 0 |
| /* DWARF will emit R_SH_DIR32 relocations in its |
| sections against symbols defined externally |
| in shared libraries. We can't do anything |
| with them here. */ |
| || (input_section->flags & SEC_DEBUGGING) != 0)) |
| /* Dynamic relocs are not propagated for SEC_DEBUGGING |
| sections because such sections are not SEC_ALLOC and |
| thus ld.so will not process them. */ |
| || (sec->output_section == NULL |
| && ((input_section->flags & SEC_DEBUGGING) != 0 |
| && h->def_dynamic))) |
| ; |
| else if (sec->output_section != NULL) |
| relocation = ((h->root.u.def.value |
| + sec->output_section->vma |
| + sec->output_offset) |
| /* A STO_SH5_ISA32 causes a "bitor 1" to the |
| symbol value, unless we've seen |
| STT_DATALABEL on the way to it. */ |
| | ((h->other & STO_SH5_ISA32) != 0 |
| && ! seen_stt_datalabel)); |
| else if (!info->relocatable |
| && (_bfd_elf_section_offset (output_bfd, info, |
| input_section, |
| rel->r_offset) |
| != (bfd_vma) -1)) |
| { |
| (*_bfd_error_handler) |
| (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"), |
| input_bfd, |
| input_section, |
| (long) rel->r_offset, |
| howto->name, |
| h->root.root.string); |
| } |
| } |
| else if (h->root.type == bfd_link_hash_undefweak) |
| ; |
| else if (info->unresolved_syms_in_objects == RM_IGNORE |
| && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) |
| ; |
| else if (!info->relocatable) |
| { |
| if (! ((*info->callbacks->undefined_symbol) |
| (info, h->root.root.string, input_bfd, |
| input_section, rel->r_offset, |
| (info->unresolved_syms_in_objects == RM_GENERATE_ERROR |
| || ELF_ST_VISIBILITY (h->other))))) |
| return FALSE; |
| } |
| } |
| |
| if (sec != NULL && discarded_section (sec)) |
| RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
| rel, 1, relend, howto, 0, contents); |
| |
| if (info->relocatable) |
| continue; |
| |
| disp = (relocation |
| - input_section->output_section->vma |
| - input_section->output_offset |
| - rel->r_offset); |
| dropped = 0; |
| switch ((int)r_type) |
| { |
| case R_SH_PT_16: dropped = disp & 2; break; |
| case R_SH_DIR10SW: dropped = disp & 1; break; |
| case R_SH_DIR10SL: dropped = disp & 3; break; |
| case R_SH_DIR10SQ: dropped = disp & 7; break; |
| } |
| if (dropped != 0) |
| { |
| (*_bfd_error_handler) |
| (_("%s: error: unaligned relocation type %d at %08x reloc %08x\n"), |
| bfd_get_filename (input_bfd), (int)r_type, (unsigned)rel->r_offset, (unsigned)relocation); |
| bfd_set_error (bfd_error_bad_value); |
| return FALSE; |
| } |
| switch ((int)r_type) |
| { |
| case R_SH_64: |
| case R_SH_64_PCREL: |
| if (info->shared |
| && (input_section->flags & SEC_ALLOC) != 0 |
| && (r_type != R_SH_64_PCREL |
| || (h != NULL |
| && h->dynindx != -1 |
| && (! info->symbolic |
| || !h->def_regular)))) |
| { |
| Elf_Internal_Rela outrel; |
| bfd_byte *loc; |
| bfd_boolean skip, relocate; |
| |
| /* When generating a shared object, these relocations |
| are copied into the output file to be resolved at run |
| time. */ |
| |
| if (sreloc == NULL) |
| { |
| sreloc = _bfd_elf_get_dynamic_reloc_section |
| (input_bfd, input_section, /*rela?*/ TRUE); |
| if (sreloc == NULL) |
| return FALSE; |
| } |
| |
| skip = FALSE; |
| relocate = FALSE; |
| |
| outrel.r_offset |
| = _bfd_elf_section_offset (output_bfd, info, |
| input_section, rel->r_offset); |
| |
| if (outrel.r_offset == (bfd_vma) -1) |
| skip = TRUE; |
| else if (outrel.r_offset == (bfd_vma) -2) |
| skip = TRUE, relocate = TRUE; |
| |
| outrel.r_offset += (input_section->output_section->vma |
| + input_section->output_offset); |
| |
| if (skip) |
| memset (&outrel, 0, sizeof outrel); |
| else if (r_type == R_SH_64_PCREL) |
| { |
| BFD_ASSERT (h != NULL && h->dynindx != -1); |
| outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64_PCREL); |
| outrel.r_addend = rel->r_addend; |
| } |
| else |
| { |
| /* h->dynindx may be -1 if this symbol was marked to |
| become local. */ |
| if (h == NULL |
| || ((info->symbolic || h->dynindx == -1) |
| && h->def_regular)) |
| { |
| relocate = TRUE; |
| outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); |
| outrel.r_addend = relocation + rel->r_addend; |
| } |
| else |
| { |
| BFD_ASSERT (h->dynindx != -1); |
| outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64); |
| outrel.r_addend = relocation + rel->r_addend; |
| } |
| } |
| |
| loc = sreloc->contents; |
| loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela); |
| bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); |
| |
| /* If this reloc is against an external symbol, we do |
| not want to fiddle with the addend. Otherwise, we |
| need to include the symbol value so that it becomes |
| an addend for the dynamic reloc. */ |
| if (! relocate) |
| continue; |
| } |
| else if (r_type == R_SH_64) |
| addend = rel->r_addend; |
| goto final_link_relocate; |
| |
| case R_SH_GOTPLT_LOW16: |
| case R_SH_GOTPLT_MEDLOW16: |
| case R_SH_GOTPLT_MEDHI16: |
| case R_SH_GOTPLT_HI16: |
| case R_SH_GOTPLT10BY4: |
| case R_SH_GOTPLT10BY8: |
| /* Relocation is to the entry for this symbol in the |
| procedure linkage table. */ |
| |
| if (h == NULL |
| || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL |
| || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN |
| || ! info->shared |
| || info->symbolic |
| || h->dynindx == -1 |
| || h->plt.offset == (bfd_vma) -1 |
| || h->got.offset != (bfd_vma) -1) |
| goto force_got; |
| |
| /* Relocation is to the entry for this symbol in the global |
| offset table extension for the procedure linkage table. */ |
| if (sgotplt == NULL) |
| { |
| sgotplt = bfd_get_linker_section (dynobj, ".got.plt"); |
| BFD_ASSERT (sgotplt != NULL); |
| } |
| |
| relocation = (sgotplt->output_offset |
| + ((h->plt.offset / elf_sh64_sizeof_plt (info) |
| - 1 + 3) * 8)); |
| |
| relocation -= GOT_BIAS; |
| |
| goto final_link_relocate; |
| |
| force_got: |
| case R_SH_GOT_LOW16: |
| case R_SH_GOT_MEDLOW16: |
| case R_SH_GOT_MEDHI16: |
| case R_SH_GOT_HI16: |
| case R_SH_GOT10BY4: |
| case R_SH_GOT10BY8: |
| /* Relocation is to the entry for this symbol in the global |
| offset table. */ |
| if (sgot == NULL) |
| { |
| sgot = bfd_get_linker_section (dynobj, ".got"); |
| BFD_ASSERT (sgot != NULL); |
| } |
| |
| if (h != NULL) |
| { |
| bfd_vma off; |
| |
| off = h->got.offset; |
| if (seen_stt_datalabel) |
| { |
| struct elf_sh64_link_hash_entry *hsh; |
| |
| hsh = (struct elf_sh64_link_hash_entry *)h; |
| off = hsh->datalabel_got_offset; |
| } |
| BFD_ASSERT (off != (bfd_vma) -1); |
| |
| if (! elf_hash_table (info)->dynamic_sections_created |
| || (info->shared |
| && (info->symbolic || h->dynindx == -1 |
| || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL |
| || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) |
| && h->def_regular)) |
| { |
| /* This is actually a static link, or it is a |
| -Bsymbolic link and the symbol is defined |
| locally, or the symbol was forced to be local |
| because of a version file. We must initialize |
| this entry in the global offset table. Since the |
| offset must always be a multiple of 4, we use the |
| least significant bit to record whether we have |
| initialized it already. |
| |
| When doing a dynamic link, we create a .rela.got |
| relocation entry to initialize the value. This |
| is done in the finish_dynamic_symbol routine. */ |
| if ((off & 1) != 0) |
| off &= ~1; |
| else |
| { |
| bfd_put_64 (output_bfd, relocation, |
| sgot->contents + off); |
| if (seen_stt_datalabel) |
| { |
| struct elf_sh64_link_hash_entry *hsh; |
| |
| hsh = (struct elf_sh64_link_hash_entry *)h; |
| hsh->datalabel_got_offset |= 1; |
| } |
| else |
| h->got.offset |= 1; |
| } |
| } |
| |
| relocation = sgot->output_offset + off; |
| } |
| else |
| { |
| bfd_vma off; |
| |
| if (rel->r_addend) |
| { |
| BFD_ASSERT (local_got_offsets != NULL |
| && (local_got_offsets[symtab_hdr->sh_info |
| + r_symndx] |
| != (bfd_vma) -1)); |
| |
| off = local_got_offsets[symtab_hdr->sh_info |
| + r_symndx]; |
| } |
| else |
| { |
| BFD_ASSERT (local_got_offsets != NULL |
| && local_got_offsets[r_symndx] != (bfd_vma) -1); |
| |
| off = local_got_offsets[r_symndx]; |
| } |
| |
| /* The offset must always be a multiple of 8. We use |
| the least significant bit to record whether we have |
| already generated the necessary reloc. */ |
| if ((off & 1) != 0) |
| off &= ~1; |
| else |
| { |
| bfd_put_64 (output_bfd, relocation, sgot->contents + off); |
| |
| if (info->shared) |
| { |
| asection *s; |
| Elf_Internal_Rela outrel; |
| bfd_byte *loc; |
| |
| s = bfd_get_linker_section (dynobj, ".rela.got"); |
| BFD_ASSERT (s != NULL); |
| |
| outrel.r_offset = (sgot->output_section->vma |
| + sgot->output_offset |
| + off); |
| outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); |
| outrel.r_addend = relocation; |
| loc = s->contents; |
| loc += s->reloc_count++ * sizeof (Elf64_External_Rela); |
| bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); |
| } |
| |
| if (rel->r_addend) |
| local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1; |
| else |
| local_got_offsets[r_symndx] |= 1; |
| } |
| |
| relocation = sgot->output_offset + off; |
| } |
| |
| relocation -= GOT_BIAS; |
| |
| goto final_link_relocate; |
| |
| case R_SH_GOTOFF_LOW16: |
| case R_SH_GOTOFF_MEDLOW16: |
| case R_SH_GOTOFF_MEDHI16: |
| case R_SH_GOTOFF_HI16: |
| /* Relocation is relative to the start of the global offset |
| table. */ |
| |
| if (sgot == NULL) |
| { |
| sgot = bfd_get_linker_section (dynobj, ".got"); |
| BFD_ASSERT (sgot != NULL); |
| } |
| |
| /* Note that sgot->output_offset is not involved in this |
| calculation. We always want the start of .got. If we |
| defined _GLOBAL_OFFSET_TABLE in a different way, as is |
| permitted by the ABI, we might have to change this |
| calculation. */ |
| relocation -= sgot->output_section->vma; |
| |
| relocation -= GOT_BIAS; |
| |
| addend = rel->r_addend; |
| |
| goto final_link_relocate; |
| |
| case R_SH_GOTPC_LOW16: |
| case R_SH_GOTPC_MEDLOW16: |
| case R_SH_GOTPC_MEDHI16: |
| case R_SH_GOTPC_HI16: |
| /* Use global offset table as symbol value. */ |
| |
| if (sgot == NULL) |
| { |
| sgot = bfd_get_linker_section (dynobj, ".got"); |
| BFD_ASSERT (sgot != NULL); |
| } |
| |
| relocation = sgot->output_section->vma; |
| |
| relocation += GOT_BIAS; |
| |
| addend = rel->r_addend; |
| |
| goto final_link_relocate; |
| |
| case R_SH_PLT_LOW16: |
| case R_SH_PLT_MEDLOW16: |
| case R_SH_PLT_MEDHI16: |
| case R_SH_PLT_HI16: |
| /* Relocation is to the entry for this symbol in the |
| procedure linkage table. */ |
| |
| /* Resolve a PLT reloc against a local symbol directly, |
| without using the procedure linkage table. */ |
| if (h == NULL) |
| goto final_link_relocate; |
| |
| if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL |
| || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) |
| goto final_link_relocate; |
| |
| if (h->plt.offset == (bfd_vma) -1) |
| { |
| /* We didn't make a PLT entry for this symbol. This |
| happens when statically linking PIC code, or when |
| using -Bsymbolic. */ |
| goto final_link_relocate; |
| } |
| |
| if (splt == NULL) |
| { |
| splt = bfd_get_linker_section (dynobj, ".plt"); |
| BFD_ASSERT (splt != NULL); |
| } |
| |
| relocation = (splt->output_section->vma |
| + splt->output_offset |
| + h->plt.offset); |
| relocation++; |
| |
| addend = rel->r_addend; |
| |
| goto final_link_relocate; |
| |
| case R_SH_DIR32: |
| case R_SH_SHMEDIA_CODE: |
| case R_SH_PT_16: |
| case R_SH_DIR5U: |
| case R_SH_DIR6S: |
| case R_SH_DIR6U: |
| case R_SH_DIR10S: |
| case R_SH_DIR10SW: |
| case R_SH_DIR10SL: |
| case R_SH_DIR10SQ: |
| case R_SH_IMMS16: |
| case R_SH_IMMU16: |
| case R_SH_IMM_LOW16: |
| case R_SH_IMM_LOW16_PCREL: |
| case R_SH_IMM_MEDLOW16: |
| case R_SH_IMM_MEDLOW16_PCREL: |
| case R_SH_IMM_MEDHI16: |
| case R_SH_IMM_MEDHI16_PCREL: |
| case R_SH_IMM_HI16: |
| case R_SH_IMM_HI16_PCREL: |
| addend = rel->r_addend; |
| /* Fall through. */ |
| case R_SH_REL32: |
| final_link_relocate: |
| r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
| contents, rel->r_offset, |
| relocation, addend); |
| break; |
| |
| default: |
| bfd_set_error (bfd_error_bad_value); |
| return FALSE; |
| |
| } |
| |
| if (r != bfd_reloc_ok) |
| { |
| switch (r) |
| { |
| default: |
| case bfd_reloc_outofrange: |
| abort (); |
| case bfd_reloc_overflow: |
| { |
| const char *name; |
| |
| if (h != NULL) |
| name = NULL; |
| else |
| { |
| name = (bfd_elf_string_from_elf_section |
| (input_bfd, symtab_hdr->sh_link, sym->st_name)); |
| if (name == NULL) |
| return FALSE; |
| if (*name == '\0') |
| name = bfd_section_name (input_bfd, sec); |
| } |
| if (! ((*info->callbacks->reloc_overflow) |
| (info, (h ? &h->root : NULL), name, howto->name, |
| (bfd_vma) 0, input_bfd, input_section, |
| rel->r_offset))) |
| return FALSE; |
| } |
| break; |
| } |
| } |
| } |
| |
| return TRUE; |
| } |
| |
| /* This is a version of bfd_generic_get_relocated_section_contents |
| that uses sh_elf64_relocate_section. |
| |
| See sh_elf_relocate_section in elf32-sh.c for the original. */ |
| |
| static bfd_byte * |
| sh_elf64_get_relocated_section_contents (bfd *output_bfd, |
| struct bfd_link_info *link_info, |
| struct bfd_link_order *link_order, |
| bfd_byte *data, |
| bfd_boolean relocatable, |
| asymbol **symbols) |
| { |
| Elf_Internal_Shdr *symtab_hdr; |
| asection *input_section = link_order->u.indirect.section; |
| bfd *input_bfd = input_section->owner; |
| asection **sections = NULL; |
| Elf_Internal_Rela *internal_relocs = NULL; |
| Elf_Internal_Sym *isymbuf = NULL; |
| |
| /* We only need to handle the case of relaxing, or of having a |
| particular set of section contents, specially. */ |
| if (relocatable |
| || elf_section_data (input_section)->this_hdr.contents == NULL) |
| return bfd_generic_get_relocated_section_contents (output_bfd, link_info, |
| link_order, data, |
| relocatable, |
| symbols); |
| |
| symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; |
| |
| memcpy (data, elf_section_data (input_section)->this_hdr.contents, |
| input_section->size); |
| |
| if ((input_section->flags & SEC_RELOC) != 0 |
| && input_section->reloc_count > 0) |
| { |
| Elf_Internal_Sym *isymp; |
| Elf_Internal_Sym *isymend; |
| asection **secpp; |
| |
| /* Read this BFD's local symbols. */ |
| if (symtab_hdr->sh_info != 0) |
| { |
| isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
| if (isymbuf == NULL) |
| isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr, |
| symtab_hdr->sh_info, 0, |
| NULL, NULL, NULL); |
| if (isymbuf == NULL) |
| goto error_return; |
| } |
| |
| internal_relocs = (_bfd_elf_link_read_relocs |
| (input_bfd, input_section, NULL, |
| (Elf_Internal_Rela *) NULL, FALSE)); |
| if (internal_relocs == NULL) |
| goto error_return; |
| |
| sections = (asection **) bfd_malloc (symtab_hdr->sh_info |
| * sizeof (asection *)); |
| if (sections == NULL && symtab_hdr->sh_info > 0) |
| goto error_return; |
| |
| secpp = sections; |
| isymend = isymbuf + symtab_hdr->sh_info; |
| for (isymp = isymbuf; isymp < isymend; ++isymp, ++secpp) |
| { |
| asection *isec; |
| |
| if (isymp->st_shndx == SHN_UNDEF) |
| isec = bfd_und_section_ptr; |
| else if (isymp->st_shndx == SHN_ABS) |
| isec = bfd_abs_section_ptr; |
| else if (isymp->st_shndx == SHN_COMMON) |
| isec = bfd_com_section_ptr; |
| else |
| isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx); |
| |
| *secpp = isec; |
| } |
| |
| if (! sh_elf64_relocate_section (output_bfd, link_info, input_bfd, |
| input_section, data, internal_relocs, |
| isymbuf, sections)) |
| goto error_return; |
| |
| if (sections != NULL) |
| free (sections); |
| if (internal_relocs != elf_section_data (input_section)->relocs) |
| free (internal_relocs); |
| if (isymbuf != NULL |
| && (unsigned char *) isymbuf != symtab_hdr->contents) |
| free (isymbuf); |
| } |
| |
| return data; |
| |
| error_return: |
| if (sections != NULL) |
| free (sections); |
| if (internal_relocs != NULL |
| && internal_relocs != elf_section_data (input_section)->relocs) |
| free (internal_relocs); |
| if (isymbuf != NULL |
| && (unsigned char *) isymbuf != symtab_hdr->contents) |
| free (isymbuf); |
| return NULL; |
| } |
| |
| /* Set the SHF_SH5_ISA32 flag for ISA SHmedia code sections. */ |
| |
| static bfd_boolean |
| sh64_elf64_fake_sections (bfd *output_bfd ATTRIBUTE_UNUSED, |
| Elf_Internal_Shdr *elf_section_hdr, |
| asection *asect) |
| { |
| /* Code sections can only contain SH64 code, so mark them as such. */ |
| if (bfd_get_section_flags (output_bfd, asect) & SEC_CODE) |
| elf_section_hdr->sh_flags |= SHF_SH5_ISA32; |
| |
| return TRUE; |
| } |
| |
| static bfd_boolean |
| sh_elf64_set_mach_from_flags (bfd *abfd) |
| { |
| flagword flags = elf_elfheader (abfd)->e_flags; |
| |
| switch (flags & EF_SH_MACH_MASK) |
| { |
| case EF_SH5: |
| /* Just one, but keep the switch construct to make additions easy. */ |
| bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh5); |
| break; |
| |
| default: |
| bfd_set_error (bfd_error_wrong_format); |
| return FALSE; |
| } |
| return TRUE; |
| } |
| |
| /* Function to keep SH64 specific file flags. |
| |
| See sh64_elf_set_private_flags in elf32-sh64.c for the original. */ |
| |
| static bfd_boolean |
| sh_elf64_set_private_flags (bfd *abfd, flagword flags) |
| { |
| BFD_ASSERT (! elf_flags_init (abfd) |
| || elf_elfheader (abfd)->e_flags == flags); |
| |
| elf_elfheader (abfd)->e_flags = flags; |
| elf_flags_init (abfd) = TRUE; |
| return sh_elf64_set_mach_from_flags (abfd); |
| } |
| |
| /* Copy the SHF_SH5_ISA32 attribute that we keep on all sections with |
| code, to keep attributes the same as for SHmedia in 32-bit ELF. */ |
| |
| static bfd_boolean |
| sh_elf64_copy_private_data_internal (bfd *ibfd, bfd *obfd) |
| { |
| Elf_Internal_Shdr **o_shdrp; |
| asection *isec; |
| asection *osec; |
| |
| if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
| || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
| return TRUE; |
| |
| o_shdrp = elf_elfsections (obfd); |
| for (osec = obfd->sections; osec; osec = osec->next) |
| { |
| int oIndex = ((struct bfd_elf_section_data *) elf_section_data (osec))->this_idx; |
| for (isec = ibfd->sections; isec; isec = isec->next) |
| { |
| if (strcmp (osec->name, isec->name) == 0) |
| { |
| /* Note that we're not disallowing mixing data and code. */ |
| if ((elf_section_data (isec)->this_hdr.sh_flags |
| & SHF_SH5_ISA32) != 0) |
| o_shdrp[oIndex]->sh_flags |= SHF_SH5_ISA32; |
| break; |
| } |
| } |
| } |
| |
| /* Copy object attributes. */ |
| _bfd_elf_copy_obj_attributes (ibfd, obfd); |
| |
| return sh_elf64_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags); |
| } |
| |
| static bfd_boolean |
| sh_elf64_copy_private_data (bfd *ibfd, bfd *obfd) |
| { |
| return sh_elf64_copy_private_data_internal (ibfd, obfd); |
| } |
| |
| static bfd_boolean |
| sh_elf64_merge_private_data (bfd *ibfd, bfd *obfd) |
| { |
| flagword old_flags, new_flags; |
| |
| if (! _bfd_generic_verify_endian_match (ibfd, obfd)) |
| return FALSE; |
| |
| if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
| || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
| return TRUE; |
| |
| if (bfd_get_arch_size (ibfd) != bfd_get_arch_size (obfd)) |
| { |
| const char *msg; |
| |
| if (bfd_get_arch_size (ibfd) == 32 |
| && bfd_get_arch_size (obfd) == 64) |
| msg = _("%s: compiled as 32-bit object and %s is 64-bit"); |
| else if (bfd_get_arch_size (ibfd) == 64 |
| && bfd_get_arch_size (obfd) == 32) |
| msg = _("%s: compiled as 64-bit object and %s is 32-bit"); |
| else |
| msg = _("%s: object size does not match that of target %s"); |
| |
| (*_bfd_error_handler) (msg, bfd_get_filename (ibfd), |
| bfd_get_filename (obfd)); |
| bfd_set_error (bfd_error_wrong_format); |
| return FALSE; |
| } |
| |
| old_flags = elf_elfheader (obfd)->e_flags; |
| new_flags = elf_elfheader (ibfd)->e_flags; |
| if (! elf_flags_init (obfd)) |
| { |
| /* This happens when ld starts out with a 'blank' output file. */ |
| elf_flags_init (obfd) = TRUE; |
| elf_elfheader (obfd)->e_flags = old_flags = new_flags; |
| } |
| /* We don't allow linking in anything else than SH64 code, and since |
| this is a 64-bit ELF, we assume the 64-bit ABI is used. Add code |
| here as things change. */ |
| else if ((new_flags & EF_SH_MACH_MASK) != EF_SH5) |
| { |
| (*_bfd_error_handler) |
| ("%s: does not use the SH64 64-bit ABI as previous modules do", |
| bfd_get_filename (ibfd)); |
| bfd_set_error (bfd_error_bad_value); |
| return FALSE; |
| } |
| |
| sh_elf64_copy_private_data_internal (ibfd, obfd); |
| |
| /* I can't think of anything sane other than old_flags being EF_SH5 and |
| that we need to preserve that. */ |
| elf_elfheader (obfd)->e_flags = old_flags; |
| |
| return sh_elf64_set_mach_from_flags (obfd); |
| } |
| |
| /* Return the section that should be marked against GC for a given |
| relocation. */ |
| |
| static asection * |
| sh_elf64_gc_mark_hook (asection *sec, |
| struct bfd_link_info *info, |
| Elf_Internal_Rela *rel, |
| struct elf_link_hash_entry *h, |
| Elf_Internal_Sym *sym) |
| { |
| if (h != NULL) |
| switch (ELF64_R_TYPE (rel->r_info)) |
| { |
| case R_SH_GNU_VTINHERIT: |
| case R_SH_GNU_VTENTRY: |
| return NULL; |
| } |
| |
| return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); |
| } |
| |
| /* Look through the relocs for a section during the first phase. |
| Since we don't do .gots or .plts, we just need to consider the |
| virtual table relocs for gc. */ |
| |
| static bfd_boolean |
| sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info, |
| asection *sec, const Elf_Internal_Rela *relocs) |
| { |
| Elf_Internal_Shdr *symtab_hdr; |
| struct elf_link_hash_entry **sym_hashes; |
| const Elf_Internal_Rela *rel; |
| const Elf_Internal_Rela *rel_end; |
| bfd *dynobj; |
| bfd_vma *local_got_offsets; |
| asection *sgot; |
| asection *srelgot; |
| asection *sreloc; |
| |
| sgot = NULL; |
| srelgot = NULL; |
| sreloc = NULL; |
| |
| if (info->relocatable) |
| return TRUE; |
| |
| symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
| sym_hashes = elf_sym_hashes (abfd); |
| |
| dynobj = elf_hash_table (info)->dynobj; |
| local_got_offsets = elf_local_got_offsets (abfd); |
| |
| rel_end = relocs + sec->reloc_count; |
| for (rel = relocs; rel < rel_end; rel++) |
| { |
| struct elf_link_hash_entry *h; |
| unsigned long r_symndx; |
| |
| r_symndx = ELF64_R_SYM (rel->r_info); |
| if (r_symndx < symtab_hdr->sh_info) |
| h = NULL; |
| else |
| { |
| h = sym_hashes[r_symndx - symtab_hdr->sh_info]; |
| while (h->root.type == bfd_link_hash_indirect |
| || h->root.type == bfd_link_hash_warning) |
| h = (struct elf_link_hash_entry *) h->root.u.i.link; |
| } |
| |
| /* Some relocs require a global offset table. */ |
| if (dynobj == NULL) |
| { |
| switch (ELF64_R_TYPE (rel->r_info)) |
| { |
| case R_SH_GOTPLT_LOW16: |
| case R_SH_GOTPLT_MEDLOW16: |
| case R_SH_GOTPLT_MEDHI16: |
| case R_SH_GOTPLT_HI16: |
| case R_SH_GOTPLT10BY4: |
| case R_SH_GOTPLT10BY8: |
| case R_SH_GOT_LOW16: |
| case R_SH_GOT_MEDLOW16: |
| case R_SH_GOT_MEDHI16: |
| case R_SH_GOT_HI16: |
| case R_SH_GOT10BY4: |
| case R_SH_GOT10BY8: |
| case R_SH_GOTOFF_LOW16: |
| case R_SH_GOTOFF_MEDLOW16: |
| case R_SH_GOTOFF_MEDHI16: |
| case R_SH_GOTOFF_HI16: |
| case R_SH_GOTPC_LOW16: |
| case R_SH_GOTPC_MEDLOW16: |
| case R_SH_GOTPC_MEDHI16: |
| case R_SH_GOTPC_HI16: |
| elf_hash_table (info)->dynobj = dynobj = abfd; |
| if (! _bfd_elf_create_got_section (dynobj, info)) |
| return FALSE; |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| switch (ELF64_R_TYPE (rel->r_info)) |
| { |
| /* This relocation describes the C++ object vtable hierarchy. |
| Reconstruct it for later use during GC. */ |
| case R_SH_GNU_VTINHERIT: |
| if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) |
| return FALSE; |
| break; |
| |
| /* This relocation describes which C++ vtable entries are actually |
| used. Record for later use during GC. */ |
| case R_SH_GNU_VTENTRY: |
| BFD_ASSERT (h != NULL); |
| if (h != NULL |
| && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) |
| return FALSE; |
| break; |
| |
| force_got: |
| case R_SH_GOT_LOW16: |
| case R_SH_GOT_MEDLOW16: |
| case R_SH_GOT_MEDHI16: |
| case R_SH_GOT_HI16: |
| case R_SH_GOT10BY4: |
| case R_SH_GOT10BY8: |
| /* This symbol requires a global offset table entry. */ |
| |
| if (sgot == NULL) |
| { |
| sgot = bfd_get_linker_section (dynobj, ".got"); |
| BFD_ASSERT (sgot != NULL); |
| } |
| |
| if (srelgot == NULL |
| && (h != NULL || info->shared)) |
| { |
| srelgot = bfd_get_linker_section (dynobj, ".rela.got"); |
| if (srelgot == NULL) |
| { |
| flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS |
| | SEC_IN_MEMORY | SEC_LINKER_CREATED |
| | SEC_READONLY); |
| srelgot = bfd_make_section_anyway_with_flags (dynobj, |
| ".rela.got", |
| flags); |
| if (srelgot == NULL |
| || ! bfd_set_section_alignment (dynobj, srelgot, 2)) |
| return FALSE; |
| } |
| } |
| |
| if (h != NULL) |
| { |
| if (h->type == STT_DATALABEL) |
| { |
| struct elf_sh64_link_hash_entry *hsh; |
| |
| h = (struct elf_link_hash_entry *) h->root.u.i.link; |
| hsh = (struct elf_sh64_link_hash_entry *)h; |
| if (hsh->datalabel_got_offset != (bfd_vma) -1) |
| break; |
| |
| hsh->datalabel_got_offset = sgot->size; |
| } |
| else |
| { |
| if (h->got.offset != (bfd_vma) -1) |
| { |
| /* We have already allocated space in the .got. */ |
| break; |
| } |
| h->got.offset = sgot->size; |
| } |
| |
| /* Make sure this symbol is output as a dynamic symbol. */ |
| if (h->dynindx == -1) |
| { |
| if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
| return FALSE; |
| } |
| |
| srelgot->size += sizeof (Elf64_External_Rela); |
| } |
| else |
| { |
| /* This is a global offset table entry for a local |
| symbol. */ |
| if (local_got_offsets == NULL) |
| { |
| size_t size; |
| register unsigned int i; |
| |
| size = symtab_hdr->sh_info * sizeof (bfd_vma); |
| /* Reserve space for both the datalabel and |
| codelabel local GOT offsets. */ |
| size *= 2; |
| local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size); |
| if (local_got_offsets == NULL) |
| return FALSE; |
| elf_local_got_offsets (abfd) = local_got_offsets; |
| for (i = 0; i < symtab_hdr->sh_info; i++) |
| local_got_offsets[i] = (bfd_vma) -1; |
| for (; i < 2 * symtab_hdr->sh_info; i++) |
| local_got_offsets[i] = (bfd_vma) -1; |
| } |
| if ((rel->r_addend & 1) != 0) |
| { |
| if (local_got_offsets[symtab_hdr->sh_info |
| + r_symndx] != (bfd_vma) -1) |
| { |
| /* We have already allocated space in the .got. */ |
| break; |
| } |
| local_got_offsets[symtab_hdr->sh_info |
| + r_symndx] = sgot->size; |
| } |
| else |
| { |
| if (local_got_offsets[r_symndx] != (bfd_vma) -1) |
| { |
| /* We have already allocated space in the .got. */ |
| break; |
| } |
| local_got_offsets[r_symndx] = sgot->size; |
| } |
| |
| if (info->shared) |
| { |
| /* If we are generating a shared object, we need to |
| output a R_SH_RELATIVE reloc so that the dynamic |
| linker can adjust this GOT entry. */ |
| srelgot->size += sizeof (Elf64_External_Rela); |
| } |
| } |
| |
| sgot->size += 8; |
| |
| break; |
| |
| case R_SH_GOTPLT_LOW16: |
| case R_SH_GOTPLT_MEDLOW16: |
| case R_SH_GOTPLT_MEDHI16: |
| case R_SH_GOTPLT_HI16: |
| case R_SH_GOTPLT10BY4: |
| case R_SH_GOTPLT10BY8: |
| /* If this is a local symbol, we resolve it directly without |
| creating a procedure linkage table entry. */ |
| |
| if (h == NULL |
| || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL |
| || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN |
| || ! info->shared |
| || info->symbolic |
| || h->dynindx == -1 |
| || h->got.offset != (bfd_vma) -1) |
| goto force_got; |
| |
| /* Make sure this symbol is output as a dynamic symbol. */ |
| if (h->dynindx == -1) |
| { |
| if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
| return FALSE; |
| } |
| |
| h->needs_plt = 1; |
| |
| break; |
| |
| case R_SH_PLT_LOW16: |
| case R_SH_PLT_MEDLOW16: |
| case R_SH_PLT_MEDHI16: |
| case R_SH_PLT_HI16: |
| /* This symbol requires a procedure linkage table entry. We |
| actually build the entry in adjust_dynamic_symbol, |
| because this might be a case of linking PIC code which is |
| never referenced by a dynamic object, in which case we |
| don't need to generate a procedure linkage table entry |
| after all. */ |
| |
| /* If this is a local symbol, we resolve it directly without |
| creating a procedure linkage table entry. */ |
| if (h == NULL) |
| continue; |
| |
| if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL |
| || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) |
| break; |
| |
| h->needs_plt = 1; |
| |
| break; |
| |
| case R_SH_64: |
| case R_SH_64_PCREL: |
| if (h != NULL) |
| h->non_got_ref = 1; |
| |
| /* If we are creating a shared library, and this is a reloc |
| against a global symbol, or a non PC relative reloc |
| against a local symbol, then we need to copy the reloc |
| into the shared library. However, if we are linking with |
| -Bsymbolic, we do not need to copy a reloc against a |
| global symbol which is defined in an object we are |
| including in the link (i.e., DEF_REGULAR is set). At |
| this point we have not seen all the input files, so it is |
| possible that DEF_REGULAR is not set now but will be set |
| later (it is never cleared). We account for that |
| possibility below by storing information in the |
| pcrel_relocs_copied field of the hash table entry. */ |
| if (info->shared |
| && (sec->flags & SEC_ALLOC) != 0 |
| && (ELF32_R_TYPE (rel->r_info) != R_SH_64_PCREL |
| || (h != NULL |
| && (! info->symbolic |
| || !h->def_regular)))) |
| { |
| /* When creating a shared object, we must copy these |
| reloc types into the output file. We create a reloc |
| section in dynobj and make room for this reloc. */ |
| if (sreloc == NULL) |
| { |
| sreloc = _bfd_elf_make_dynamic_reloc_section |
| (sec, dynobj, 2, abfd, /*rela?*/ TRUE); |
| |
| if (sreloc == NULL) |
| return FALSE; |
| } |
| |
| sreloc->size += sizeof (Elf64_External_Rela); |
| |
| /* If we are linking with -Bsymbolic, and this is a |
| global symbol, we count the number of PC relative |
| relocations we have entered for this symbol, so that |
| we can discard them again if the symbol is later |
| defined by a regular object. Note that this function |
| is only called if we are using an elf_sh linker |
| hash table, which means that h is really a pointer to |
| an elf_sh_link_hash_entry. */ |
| if (h != NULL && info->symbolic |
| && ELF64_R_TYPE (rel->r_info) == R_SH_64_PCREL) |
| { |
| struct elf_sh64_link_hash_entry *eh; |
| struct elf_sh64_pcrel_relocs_copied *p; |
| |
| eh = (struct elf_sh64_link_hash_entry *) h; |
| |
| for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next) |
| if (p->section == sreloc) |
| break; |
| |
| if (p == NULL) |
| { |
| p = ((struct elf_sh64_pcrel_relocs_copied *) |
| bfd_alloc (dynobj, sizeof *p)); |
| if (p == NULL) |
| return FALSE; |
| p->next = eh->pcrel_relocs_copied; |
| eh->pcrel_relocs_copied = p; |
| p->section = sreloc; |
| p->count = 0; |
| } |
| |
| ++p->count; |
| } |
| } |
| |
| break; |
| } |
| } |
| |
| return TRUE; |
| } |
| |
| static int |
| sh64_elf64_get_symbol_type (Elf_Internal_Sym * elf_sym, int type) |
| { |
| if (ELF_ST_TYPE (elf_sym->st_info) == STT_DATALABEL) |
| return STT_DATALABEL; |
| |
| return type; |
| } |
| |
| /* FIXME: This is a copy of sh64_elf_add_symbol_hook in elf32-sh64.c. |
| Either file can presumably exist without the other, but do not differ |
| in elf-size-ness. How to share? |
| |
| Hook called by the linker routine which adds symbols from an object |
| file. We must make indirect symbols for undefined symbols marked with |
| STT_DATALABEL, so relocations passing them will pick up that attribute |
| and neutralize STO_SH5_ISA32 found on the symbol definition. |
| |
| There is a problem, though: We want to fill in the hash-table entry for |
| this symbol and signal to the caller that no further processing is |
| needed. But we don't have the index for this hash-table entry. We |
| rely here on that the current entry is the first hash-entry with NULL, |
| which seems brittle. Also, iterating over the hash-table to find that |
| entry is a linear operation on the number of symbols in this input |
| file, and this function should take constant time, so that's not good |
| too. Only comfort is that DataLabel references should only be found in |
| hand-written assembly code and thus be rare. FIXME: Talk maintainers |
| into adding an option to elf_add_symbol_hook (preferably) for the index |
| or the hash entry, alternatively adding the index to Elf_Internal_Sym |
| (not so good). */ |
| |
| static bfd_boolean |
| sh64_elf64_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, |
| Elf_Internal_Sym *sym, const char **namep, |
| flagword *flagsp ATTRIBUTE_UNUSED, |
| asection **secp, bfd_vma *valp) |
| { |
| /* We want to do this for relocatable as well as final linking. */ |
| if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL |
| && is_elf_hash_table (info->hash)) |
| { |
| struct elf_link_hash_entry *h; |
| |
| /* For relocatable links, we register the DataLabel sym in its own |
| right, and tweak the name when it's output. Otherwise, we make |
| an indirect symbol of it. */ |
| flagword flags |
| = info->relocatable || info->emitrelocations |
| ? BSF_GLOBAL : BSF_GLOBAL | BSF_INDIRECT; |
| |
| char *dl_name |
| = bfd_malloc (strlen (*namep) + sizeof (DATALABEL_SUFFIX)); |
| struct elf_link_hash_entry ** sym_hash = elf_sym_hashes (abfd); |
| |
| BFD_ASSERT (sym_hash != NULL); |
| |
| /* Allocation may fail. */ |
| if (dl_name == NULL) |
| return FALSE; |
| |
| strcpy (dl_name, *namep); |
| strcat (dl_name, DATALABEL_SUFFIX); |
| |
| h = (struct elf_link_hash_entry *) |
| bfd_link_hash_lookup (info->hash, dl_name, FALSE, FALSE, FALSE); |
| |
| if (h == NULL) |
| { |
| /* No previous datalabel symbol. Make one. */ |
| struct bfd_link_hash_entry *bh = NULL; |
| const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
| |
| if (! _bfd_generic_link_add_one_symbol (info, abfd, dl_name, |
| flags, *secp, *valp, |
| *namep, FALSE, |
| bed->collect, &bh)) |
| { |
| free (dl_name); |
| return FALSE; |
| } |
| |
| h = (struct elf_link_hash_entry *) bh; |
| h->non_elf = 0; |
| h->type = STT_DATALABEL; |
| } |
| else |
| /* If a new symbol was created, it holds the allocated name. |
| Otherwise, we don't need it anymore and should deallocate it. */ |
| free (dl_name); |
| |
| if (h->type != STT_DATALABEL |
| || ((info->relocatable || info->emitrelocations) |
| && h->root.type != bfd_link_hash_undefined) |
| || (! info->relocatable && !info->emitrelocations |
| && h->root.type != bfd_link_hash_indirect)) |
| { |
| /* Make sure we don't get confused on invalid input. */ |
| (*_bfd_error_handler) |
| (_("%s: encountered datalabel symbol in input"), |
| bfd_get_filename (abfd)); |
| bfd_set_error (bfd_error_bad_value); |
| return FALSE; |
| } |
| |
| /* Now find the hash-table slot for this entry and fill it in. */ |
| while (*sym_hash != NULL) |
| sym_hash++; |
| *sym_hash = h; |
| |
| /* Signal to caller to skip this symbol - we've handled it. */ |
| *namep = NULL; |
| } |
| |
| return TRUE; |
| } |
| |
| /* This hook function is called before the linker writes out a global |
| symbol. For relocatable links, DataLabel symbols will be present in |
| linker output. We cut off the special suffix on those symbols, so the |
| right name appears in the output. |
| |
| When linking and emitting relocations, there can appear global symbols |
| that are not referenced by relocs, but rather only implicitly through |
| DataLabel references, a relation that is not visible to the linker. |
| Since no stripping of global symbols in done when doing such linking, |
| we don't need to look up and make sure to emit the main symbol for each |
| DataLabel symbol. */ |
| |
| static int |
| sh64_elf64_link_output_symbol_hook (struct bfd_link_info *info, |
| const char *cname, |
| Elf_Internal_Sym *sym, |
| asection *input_sec ATTRIBUTE_UNUSED, |
| struct elf_link_hash_entry *h ATTRIBUTE_UNUSED) |
| { |
| char *name = (char *) cname; |
| |
| if (info->relocatable || info->emitrelocations) |
| { |
| if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL) |
| name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0; |
| } |
| |
| return 1; |
| } |
| |
| /* Set bit 0 on the entry address; it always points to SHmedia code. This |
| is mostly for symmetry with the 32-bit format, where code can be |
| SHcompact and we need to make a distinction to make sure execution |
| starts in the right ISA mode. It is also convenient for a loader, |
| which would otherwise have to set this bit when loading a TR register |
| before jumping to the program entry. */ |
| |
| static void |
| sh64_elf64_final_write_processing (bfd *abfd, |
| bfd_boolean linker ATTRIBUTE_UNUSED) |
| { |
| /* FIXME: Perhaps we shouldn't do this if the entry address was supplied |
| numerically, but we currently lack the infrastructure to recognize |
| that: The entry symbol, and info whether it is numeric or a symbol |
| name is kept private in the linker. */ |
| if (elf_elfheader (abfd)->e_type == ET_EXEC) |
| elf_elfheader (abfd)->e_entry |= 1; |
| } |
| |
| /* First entry in an absolute procedure linkage table look like this. */ |
| |
| static const bfd_byte elf_sh64_plt0_entry_be[PLT_ENTRY_SIZE] = |
| { |
| 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 48, r17 */ |
| 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 32) & 65535, r17 */ |
| 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 16) & 65535, r17 */ |
| 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */ |
| 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */ |
| 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ |
| 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */ |
| 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| }; |
| |
| static const bfd_byte elf_sh64_plt0_entry_le[PLT_ENTRY_SIZE] = |
| { |
| 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */ |
| 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 32) & 65535, r17 */ |
| 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 16) & 65535, r17 */ |
| 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */ |
| 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */ |
| 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ |
| 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */ |
| 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| }; |
| |
| /* Sebsequent entries in an absolute procedure linkage table look like |
| this. */ |
| |
| static const bfd_byte elf_sh64_plt_entry_be[PLT_ENTRY_SIZE] = |
| { |
| 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 48, r25 */ |
| 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 32) & 65535, r25 */ |
| 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 16) & 65535, r25 */ |
| 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */ |
| 0x8d, 0x90, 0x01, 0x90, /* ld.q r25, 0, r25 */ |
| 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ |
| 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0xcc, 0x00, 0x01, 0x90, /* movi (.+8-.PLT0) >> 16, r25 */ |
| 0xc8, 0x00, 0x01, 0x90, /* shori (.+4-.PLT0) & 65535, r25 */ |
| 0x6b, 0xf5, 0x66, 0x00, /* ptrel r25, tr0 */ |
| 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ |
| 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ |
| 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| }; |
| |
| static const bfd_byte elf_sh64_plt_entry_le[PLT_ENTRY_SIZE] = |
| { |
| 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */ |
| 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ |
| 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ |
| 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ |
| 0x90, 0x01, 0x90, 0x8d, /* ld.q r25, 0, r25 */ |
| 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ |
| 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0x90, 0x01, 0x00, 0xcc, /* movi (.+8-.PLT0) >> 16, r25 */ |
| 0x90, 0x01, 0x00, 0xc8, /* shori (.+4-.PLT0) & 65535, r25 */ |
| 0x00, 0x66, 0xf5, 0x6b, /* ptrel r25, tr0 */ |
| 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ |
| 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ |
| 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| }; |
| |
| /* Entries in a PIC procedure linkage table look like this. */ |
| |
| static const bfd_byte elf_sh64_pic_plt_entry_be[PLT_ENTRY_SIZE] = |
| { |
| 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */ |
| 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */ |
| 0x40, 0xc3, 0x65, 0x90, /* ldx.q r12, r25, r25 */ |
| 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ |
| 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0x6f, 0xf0, 0xff, 0xf0, /* nop */ |
| 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */ |
| 0x00, 0xc9, 0x45, 0x10, /* add r12, r17, r17 */ |
| 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */ |
| 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ |
| 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */ |
| 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ |
| 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ |
| 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ |
| }; |
| |
| static const bfd_byte elf_sh64_pic_plt_entry_le[PLT_ENTRY_SIZE] = |
| { |
| 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */ |
| 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */ |
| 0x90, 0x65, 0xc3, 0x40, /* ldx.q r12, r25, r25 */ |
| 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ |
| 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0xf0, 0xff, 0xf0, 0x6f, /* nop */ |
| 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */ |
| 0x10, 0x45, 0xc9, 0x00, /* add r12, r17, r17 */ |
| 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */ |
| 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ |
| 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */ |
| 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ |
| 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ |
| 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ |
| }; |
| |
| static const bfd_byte *elf_sh64_plt0_entry; |
| static const bfd_byte *elf_sh64_plt_entry; |
| static const bfd_byte *elf_sh64_pic_plt_entry; |
| |
| /* Create an entry in an sh ELF linker hash table. */ |
| |
| static struct bfd_hash_entry * |
| sh64_elf64_link_hash_newfunc (struct bfd_hash_entry *entry, |
| struct bfd_hash_table *table, |
| const char *string) |
| { |
| struct elf_sh64_link_hash_entry *ret = |
| (struct elf_sh64_link_hash_entry *) entry; |
| |
| /* Allocate the structure if it has not already been allocated by a |
| subclass. */ |
| if (ret == (struct elf_sh64_link_hash_entry *) NULL) |
| ret = ((struct elf_sh64_link_hash_entry *) |
| bfd_hash_allocate (table, |
| sizeof (struct elf_sh64_link_hash_entry))); |
| if (ret == (struct elf_sh64_link_hash_entry *) NULL) |
| return (struct bfd_hash_entry *) ret; |
| |
| /* Call the allocation method of the superclass. */ |
| ret = ((struct elf_sh64_link_hash_entry *) |
| _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, |
| table, string)); |
| if (ret != (struct elf_sh64_link_hash_entry *) NULL) |
| { |
| ret->pcrel_relocs_copied = NULL; |
| ret->datalabel_got_offset = (bfd_vma) -1; |
| } |
| |
| return (struct bfd_hash_entry *) ret; |
| } |
| |
| /* Create an sh64 ELF linker hash table. */ |
| |
| static struct bfd_link_hash_table * |
| sh64_elf64_link_hash_table_create (bfd *abfd) |
| { |
| struct elf_link_hash_table *ret; |
| |
| ret = (struct elf_link_hash_table *) bfd_malloc (sizeof (* ret)); |
| if (ret == (struct elf_link_hash_table *) NULL) |
| return NULL; |
| |
| if (!_bfd_elf_link_hash_table_init (ret, abfd, |
| sh64_elf64_link_hash_newfunc, |
| sizeof (struct elf_sh64_link_hash_entry), |
| GENERIC_ELF_DATA)) |
| { |
| free (ret); |
| return NULL; |
| } |
| |
| return &ret->root; |
| } |
| |
| inline static void |
| movi_shori_putval (bfd *output_bfd, unsigned long value, bfd_byte *addr) |
| { |
| bfd_put_32 (output_bfd, |
| bfd_get_32 (output_bfd, addr) |
| | ((value >> 6) & 0x3fffc00), |
| addr); |
| bfd_put_32 (output_bfd, |
| bfd_get_32 (output_bfd, addr + 4) |
| | ((value << 10) & 0x3fffc00), |
| addr + 4); |
| } |
| |
| inline static void |
| movi_3shori_putval (bfd *output_bfd, bfd_vma value, bfd_byte *addr) |
| { |
| bfd_put_32 (output_bfd, |
| bfd_get_32 (output_bfd, addr) |
| | ((value >> 38) & 0x3fffc00), |
| addr); |
| bfd_put_32 (output_bfd, |
| bfd_get_32 (output_bfd, addr + 4) |
| | ((value >> 22) & 0x3fffc00), |
| addr + 4); |
| bfd_put_32 (output_bfd, |
| bfd_get_32 (output_bfd, addr + 8) |
| | ((value >> 6) & 0x3fffc00), |
| addr + 8); |
| bfd_put_32 (output_bfd, |
| bfd_get_32 (output_bfd, addr + 12) |
| | ((value << 10) & 0x3fffc00), |
| addr + 12); |
| } |
| |
| /* Create dynamic sections when linking against a dynamic object. */ |
| |
| static bfd_boolean |
| sh64_elf64_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) |
| { |
| flagword flags, pltflags; |
| register asection *s; |
| const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
| int ptralign = 0; |
| |
| switch (bed->s->arch_size) |
| { |
| case 32: |
| ptralign = 2; |
| break; |
| |
| case 64: |
| ptralign = 3; |
| break; |
| |
| default: |
| bfd_set_error (bfd_error_bad_value); |
| return FALSE; |
| } |
| |
| /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and |
| .rel[a].bss sections. */ |
| |
| flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY |
| | SEC_LINKER_CREATED); |
| |
| pltflags = flags; |
| pltflags |= SEC_CODE; |
| if (bed->plt_not_loaded) |
| pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS); |
| if (bed->plt_readonly) |
| pltflags |= SEC_READONLY; |
| |
| s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags); |
| if (s == NULL |
| || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment)) |
| return FALSE; |
| |
| if (bed->want_plt_sym) |
| { |
| /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the |
| .plt section. */ |
| struct elf_link_hash_entry *h; |
| struct bfd_link_hash_entry *bh = NULL; |
| |
| if (! (_bfd_generic_link_add_one_symbol |
| (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s, |
| (bfd_vma) 0, (const char *) NULL, FALSE, bed->collect, &bh))) |
| return FALSE; |
| |
| h = (struct elf_link_hash_entry *) bh; |
| h->def_regular = 1; |
| h->type = STT_OBJECT; |
| elf_hash_table (info)->hplt = h; |
| |
| if (info->shared |
| && ! bfd_elf_link_record_dynamic_symbol (info, h)) |
| return FALSE; |
| } |
| |
| s = bfd_make_section_anyway_with_flags (abfd, |
| bed->default_use_rela_p |
| ? ".rela.plt" : ".rel.plt", |
| flags | SEC_READONLY); |
| if (s == NULL |
| || ! bfd_set_section_alignment (abfd, s, ptralign)) |
| return FALSE; |
| |
| if (! _bfd_elf_create_got_section (abfd, info)) |
| return FALSE; |
| |
| if (bed->want_dynbss) |
| { |
| /* The .dynbss section is a place to put symbols which are defined |
| by dynamic objects, are referenced by regular objects, and are |
| not functions. We must allocate space for them in the process |
| image and use a R_*_COPY reloc to tell the dynamic linker to |
| initialize them at run time. The linker script puts the .dynbss |
| section into the .bss section of the final image. */ |
| s = bfd_make_section_anyway_with_flags (abfd, ".dynbss", |
| SEC_ALLOC | SEC_LINKER_CREATED); |
| if (s == NULL) |
| return FALSE; |
| |
| /* The .rel[a].bss section holds copy relocs. This section is not |
| normally needed. We need to create it here, though, so that the |
| linker will map it to an output section. We can't just create it |
| only if we need it, because we will not know whether we need it |
| until we have seen all the input files, and the first time the |
| main linker code calls BFD after examining all the input files |
| (size_dynamic_sections) the input sections have already been |
| mapped to the output sections. If the section turns out not to |
| be needed, we can discard it later. We will never need this |
| section when generating a shared object, since they do not use |
| copy relocs. */ |
| if (! info->shared) |
| { |
| s = bfd_make_section_anyway_with_flags (abfd, |
| (bed->default_use_rela_p |
| ? ".rela.bss" : ".rel.bss"), |
| flags | SEC_READONLY); |
| if (s == NULL |
| || ! bfd_set_section_alignment (abfd, s, ptralign)) |
| return FALSE; |
| } |
| } |
| |
| return TRUE; |
| } |
| |
| /* Adjust a symbol defined by a dynamic object and referenced by a |
| regular object. The current definition is in some section of the |
| dynamic object, but we're not including those sections. We have to |
| change the definition to something the rest of the link can |
| understand. */ |
| |
| static bfd_boolean |
| sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info *info, |
| struct elf_link_hash_entry *h) |
| { |
| bfd *dynobj; |
| asection *s; |
| |
| dynobj = elf_hash_table (info)->dynobj; |
| |
| /* Make sure we know what is going on here. */ |
| BFD_ASSERT (dynobj != NULL |
| && (h->needs_plt |
| || h->u.weakdef != NULL |
| || (h->def_dynamic |
| && h->ref_regular |
| && !h->def_regular))); |
| |
| /* If this is a function, put it in the procedure linkage table. We |
| will fill in the contents of the procedure linkage table later, |
| when we know the address of the .got section. */ |
| if (h->type == STT_FUNC |
| || h->needs_plt) |
| { |
| if (! info->shared |
| && !h->def_dynamic |
| && !h->ref_dynamic) |
| { |
| /* This case can occur if we saw a PLT reloc in an input |
| file, but the symbol was never referred to by a dynamic |
| object. In such a case, we don't actually need to build |
| a procedure linkage table, and we can just do a REL64 |
| reloc instead. */ |
| BFD_ASSERT (h->needs_plt); |
| return TRUE; |
| } |
| |
| /* Make sure this symbol is output as a dynamic symbol. */ |
| if (h->dynindx == -1) |
| { |
| if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
| return FALSE; |
| } |
| |
| s = bfd_get_linker_section (dynobj, ".plt"); |
| BFD_ASSERT (s != NULL); |
| |
| /* If this is the first .plt entry, make room for the special |
| first entry. */ |
| if (s->size == 0) |
| s->size += PLT_ENTRY_SIZE; |
| |
| /* If this symbol is not defined in a regular file, and we are |
| not generating a shared library, then set the symbol to this |
| location in the .plt. This is required to make function |
| pointers compare as equal between the normal executable and |
| the shared library. */ |
| if (! info->shared |
| && !h->def_regular) |
| { |
| h->root.u.def.section = s; |
| h->root.u.def.value = s->size; |
| } |
| |
| h->plt.offset = s->size; |
| |
| /* Make room for this entry. */ |
| s->size += elf_sh64_sizeof_plt (info); |
| |
| /* We also need to make an entry in the .got.plt section, which |
| will be placed in the .got section by the linker script. */ |
| |
| s = bfd_get_linker_section (dynobj, ".got.plt"); |
| BFD_ASSERT (s != NULL); |
| s->size += 8; |
| |
| /* We also need to make an entry in the .rela.plt section. */ |
| |
| s = bfd_get_linker_section (dynobj, ".rela.plt"); |
| BFD_ASSERT (s != NULL); |
| s->size += sizeof (Elf64_External_Rela); |
| |
| return TRUE; |
| } |
| |
| /* If this is a weak symbol, and there is a real definition, the |
| processor independent code will have arranged for us to see the |
| real definition first, and we can just use the same value. */ |
| if (h->u.weakdef != NULL) |
| { |
| BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined |
| || h->u.weakdef->root.type == bfd_link_hash_defweak); |
| h->root.u.def.section = h->u.weakdef->root.u.def.section; |
| h->root.u.def.value = h->u.weakdef->root.u.def.value; |
| return TRUE; |
| } |
| |
| /* This is a reference to a symbol defined by a dynamic object which |
| is not a function. */ |
| |
| /* If we are creating a shared library, we must presume that the |
| only references to the symbol are via the global offset table. |
| For such cases we need not do anything here; the relocations will |
| be handled correctly by relocate_section. */ |
| if (info->shared) |
| return TRUE; |
| |
| /* If there are no references to this symbol that do not use the |
| GOT, we don't need to generate a copy reloc. */ |
| if (!h->non_got_ref) |
| return TRUE; |
| |
| /* We must allocate the symbol in our .dynbss section, which will |
| become part of the .bss section of the executable. There will be |
| an entry for this symbol in the .dynsym section. The dynamic |
| object will contain position independent code, so all references |
| from the dynamic object to this symbol will go through the global |
| offset table. The dynamic linker will use the .dynsym entry to |
| determine the address it must put in the global offset table, so |
| both the dynamic object and the regular object will refer to the |
| same memory location for the variable. */ |
| |
| s = bfd_get_linker_section (dynobj, ".dynbss"); |
| BFD_ASSERT (s != NULL); |
| |
| /* We must generate a R_SH_COPY reloc to tell the dynamic linker to |
| copy the initial value out of the dynamic object and into the |
| runtime process image. We need to remember the offset into the |
| .rela.bss section we are going to use. */ |
| if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) |
| { |
| asection *srel; |
| |
| srel = bfd_get_linker_section (dynobj, ".rela.bss"); |
| BFD_ASSERT (srel != NULL); |
| srel->size += sizeof (Elf64_External_Rela); |
| h->needs_copy = 1; |
| } |
| |
| return _bfd_elf_adjust_dynamic_copy (h, s); |
| } |
| |
| /* This function is called via sh_elf_link_hash_traverse if we are |
| creating a shared object with -Bsymbolic. It discards the space |
| allocated to copy PC relative relocs against symbols which are |
| defined in regular objects. We allocated space for them in the |
| check_relocs routine, but we won't fill them in in the |
| relocate_section routine. */ |
| |
| static bfd_boolean |
| sh64_elf64_discard_copies (struct elf_sh64_link_hash_entry *h, |
| void *ignore ATTRIBUTE_UNUSED) |
| { |
| struct elf_sh64_pcrel_relocs_copied *s; |
| |
| /* We only discard relocs for symbols defined in a regular object. */ |
| if (!h->root.def_regular) |
| return TRUE; |
| |
| for (s = h->pcrel_relocs_copied; s != NULL; s = s->next) |
| s->section->size -= s->count * sizeof (Elf64_External_Rela); |
| |
| return TRUE; |
| } |
| |
| /* Set the sizes of the dynamic sections. */ |
| |
| static bfd_boolean |
| sh64_elf64_size_dynamic_sections (bfd *output_bfd, |
| struct bfd_link_info *info) |
| { |
| bfd *dynobj; |
| asection *s; |
| bfd_boolean plt; |
| bfd_boolean relocs; |
| bfd_boolean reltext; |
| |
| dynobj = elf_hash_table (info)->dynobj; |
| BFD_ASSERT (dynobj != NULL); |
| |
| if (elf_hash_table (info)->dynamic_sections_created) |
| { |
| /* Set the contents of the .interp section to the interpreter. */ |
| if (info->executable) |
| { |
| s = bfd_get_linker_section (dynobj, ".interp"); |
| BFD_ASSERT (s != NULL); |
| s->size = sizeof ELF_DYNAMIC_INTERPRETER; |
| s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; |
| } |
| } |
| else |
| { |
| /* We may have created entries in the .rela.got section. |
| However, if we are not creating the dynamic sections, we will |
| not actually use these entries. Reset the size of .rela.got, |
| which will cause it to get stripped from the output file |
| below. */ |
| s = bfd_get_linker_section (dynobj, ".rela.got"); |
| if (s != NULL) |
| s->size = 0; |
| } |
| |
| /* If this is a -Bsymbolic shared link, then we need to discard all |
| PC relative relocs against symbols defined in a regular object. |
| We allocated space for them in the check_relocs routine, but we |
| will not fill them in in the relocate_section routine. */ |
| if (info->shared && info->symbolic) |
| sh64_elf64_link_hash_traverse (elf_hash_table (info), |
| sh64_elf64_discard_copies, NULL); |
| |
| /* The check_relocs and adjust_dynamic_symbol entry points have |
| determined the sizes of the various dynamic sections. Allocate |
| memory for them. */ |
| plt = FALSE; |
| relocs = FALSE; |
| reltext = FALSE; |
| for (s = dynobj->sections; s != NULL; s = s->next) |
| { |
| const char *name; |
| |
| if ((s->flags & SEC_LINKER_CREATED) == 0) |
| continue; |
| |
| /* It's OK to base decisions on the section name, because none |
| of the dynobj section names depend upon the input files. */ |
| name = bfd_get_section_name (dynobj, s); |
| |
| if (strcmp (name, ".plt") == 0) |
| { |
| /* Remember whether there is a PLT. */ |
| plt = s->size != 0; |
| } |
| else if (CONST_STRNEQ (name, ".rela")) |
| { |
| if (s->size != 0) |
| { |
| asection *target; |
| |
| /* Remember whether there are any reloc sections other |
| than .rela.plt. */ |
| if (strcmp (name, ".rela.plt") != 0) |
| { |
| const char *outname; |
| |
| relocs = TRUE; |
| |
| /* If this relocation section applies to a read only |
| section, then we probably need a DT_TEXTREL |
| entry. The entries in the .rela.plt section |
| really apply to the .got section, which we |
| created ourselves and so know is not readonly. */ |
| outname = bfd_get_section_name (output_bfd, |
| s->output_section); |
| target = bfd_get_section_by_name (output_bfd, outname + 5); |
| if (target != NULL |
| && (target->flags & SEC_READONLY) != 0 |
| && (target->flags & SEC_ALLOC) != 0) |
| reltext = TRUE; |
| } |
| |
| /* We use the reloc_count field as a counter if we need |
| to copy relocs into the output file. */ |
| s->reloc_count = 0; |
| } |
| } |
| else if (! CONST_STRNEQ (name, ".got") |
| && strcmp (name, ".dynbss") != 0) |
| { |
| /* It's not one of our sections, so don't allocate space. */ |
| continue; |
| } |
| |
| if (s->size == 0) |
| { |
| /* If we don't need this section, strip it from the |
| output file. This is mostly to handle .rela.bss and |
| .rela.plt. We must create both sections in |
| create_dynamic_sections, because they must be created |
| before the linker maps input sections to output |
| sections. The linker does that before |
| adjust_dynamic_symbol is called, and it is that |
| function which decides whether anything needs to go |
| into these sections. */ |
| s->flags |= SEC_EXCLUDE; |
| continue; |
| } |
| |
| if ((s->flags & SEC_HAS_CONTENTS) == 0) |
| continue; |
| |
| /* Allocate memory for the section contents. */ |
| s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); |
| if (s->contents == NULL) |
| return FALSE; |
| } |
| |
| if (elf_hash_table (info)->dynamic_sections_created) |
| { |
| /* Add some entries to the .dynamic section. We fill in the |
| values later, in sh64_elf64_finish_dynamic_sections, but we |
| must add the entries now so that we get the correct size for |
| the .dynamic section. The DT_DEBUG entry is filled in by the |
| dynamic linker and used by the debugger. */ |
| if (info->executable) |
| { |
| if (!_bfd_elf_add_dynamic_entry (info, DT_DEBUG, 0)) |
| return FALSE; |
| } |
| |
| if (plt) |
| { |
| if (!_bfd_elf_add_dynamic_entry (info, DT_PLTGOT, 0) |
| || !_bfd_elf_add_dynamic_entry (info, DT_PLTRELSZ, 0) |
| || !_bfd_elf_add_dynamic_entry (info, DT_PLTREL, DT_RELA) |
| || !_bfd_elf_add_dynamic_entry (info, DT_JMPREL, 0)) |
| return FALSE; |
| } |
| |
| if (relocs) |
| { |
| if (!_bfd_elf_add_dynamic_entry (info, DT_RELA, 0) |
| || !_bfd_elf_add_dynamic_entry (info, DT_RELASZ, 0) |
| || !_bfd_elf_add_dynamic_entry (info, DT_RELAENT, |
| sizeof (Elf64_External_Rela))) |
| return FALSE; |
| } |
| |
| if (reltext) |
| { |
| if (!_bfd_elf_add_dynamic_entry (info, DT_TEXTREL, 0)) |
| return FALSE; |
| } |
| } |
| |
| return TRUE; |
| } |
| |
| /* Finish up dynamic symbol handling. We set the contents of various |
| dynamic sections here. */ |
| |
| static bfd_boolean |
| sh64_elf64_finish_dynamic_symbol (bfd *output_bfd, |
| struct bfd_link_info *info, |
| struct elf_link_hash_entry *h, |
| Elf_Internal_Sym *sym) |
| { |
| bfd *dynobj; |
| |
| dynobj = elf_hash_table (info)->dynobj; |
| |
| if (h->plt.offset != (bfd_vma) -1) |
| { |
| asection *splt; |
| asection *sgot; |
| asection *srel; |
| |
| bfd_vma plt_index; |
| bfd_vma got_offset; |
| Elf_Internal_Rela rel; |
| bfd_byte *loc; |
| |
| /* This symbol has an entry in the procedure linkage table. Set |
| it up. */ |
| |
| BFD_ASSERT (h->dynindx != -1); |
| |
| splt = bfd_get_linker_section (dynobj, ".plt"); |
| sgot = bfd_get_linker_section (dynobj, ".got.plt"); |
| srel = bfd_get_linker_section (dynobj, ".rela.plt"); |
| BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); |
| |
| /* Get the index in the procedure linkage table which |
| corresponds to this symbol. This is the index of this symbol |
| in all the symbols for which we are making plt entries. The |
| first entry in the procedure linkage table is reserved. */ |
| plt_index = h->plt.offset / elf_sh64_sizeof_plt (info) - 1; |
| |
| /* Get the offset into the .got table of the entry that |
| corresponds to this function. Each .got entry is 8 bytes. |
| The first three are reserved. */ |
| got_offset = (plt_index + 3) * 8; |
| |
| if (info->shared) |
| got_offset -= GOT_BIAS; |
| |
| /* Fill in the entry in the procedure linkage table. */ |
| if (! info->shared) |
| { |
| if (elf_sh64_plt_entry == NULL) |
| { |
| elf_sh64_plt_entry = (bfd_big_endian (output_bfd) ? |
| elf_sh64_plt_entry_be : elf_sh64_plt_entry_le); |
| } |
| memcpy (splt->contents + h->plt.offset, elf_sh64_plt_entry, |
| elf_sh64_sizeof_plt (info)); |
| movi_3shori_putval (output_bfd, |
| (sgot->output_section->vma |
| + sgot->output_offset |
| + got_offset), |
| (splt->contents + h->plt.offset |
| + elf_sh64_plt_symbol_offset (info))); |
| |
| /* Set bottom bit because its for a branch to SHmedia */ |
| movi_shori_putval (output_bfd, |
| -(h->plt.offset |
| + elf_sh64_plt_plt0_offset (info) + 8) |
| | 1, |
| (splt->contents + h->plt.offset |
| + elf_sh64_plt_plt0_offset (info))); |
| } |
| else |
| { |
| if (elf_sh64_pic_plt_entry == NULL) |
| { |
| elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ? |
| elf_sh64_pic_plt_entry_be : |
| elf_sh64_pic_plt_entry_le); |
| } |
| memcpy (splt->contents + h->plt.offset, elf_sh64_pic_plt_entry, |
| elf_sh64_sizeof_plt (info)); |
| movi_shori_putval (output_bfd, got_offset, |
| (splt->contents + h->plt.offset |
| + elf_sh64_plt_symbol_offset (info))); |
| } |
| |
| if (info->shared) |
| got_offset += GOT_BIAS; |
| |
| movi_shori_putval (output_bfd, |
| plt_index * sizeof (Elf64_External_Rela), |
| (splt->contents + h->plt.offset |
| + elf_sh64_plt_reloc_offset (info))); |
| |
| /* Fill in the entry in the global offset table. */ |
| bfd_put_64 (output_bfd, |
| (splt->output_section->vma |
| + splt->output_offset |
| + h->plt.offset |
| + elf_sh64_plt_temp_offset (info)), |
| sgot->contents + got_offset); |
| |
| /* Fill in the entry in the .rela.plt section. */ |
| rel.r_offset = (sgot->output_section->vma |
| + sgot->output_offset |
| + got_offset); |
| rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_JMP_SLOT64); |
| rel.r_addend = 0; |
| rel.r_addend = GOT_BIAS; |
| loc = srel->contents + plt_index * sizeof (Elf64_External_Rela); |
| bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); |
| |
| if (!h->def_regular) |
| { |
| /* Mark the symbol as undefined, rather than as defined in |
| the .plt section. Leave the value alone. */ |
| sym->st_shndx = SHN_UNDEF; |
| } |
| } |
| |
| if (h->got.offset != (bfd_vma) -1) |
| { |
| asection *sgot; |
| asection *srel; |
| Elf_Internal_Rela rel; |
| bfd_byte *loc; |
| |
| /* This symbol has an entry in the global offset table. Set it |
| up. */ |
| |
| sgot = bfd_get_linker_section (dynobj, ".got"); |
| srel = bfd_get_linker_section (dynobj, ".rela.got"); |
| BFD_ASSERT (sgot != NULL && srel != NULL); |
| |
| rel.r_offset = (sgot->output_section->vma |
| + sgot->output_offset |
| + (h->got.offset &~ 1)); |
| |
| /* If this is a -Bsymbolic link, and the symbol is defined |
| locally, we just want to emit a RELATIVE reloc. Likewise if |
| the symbol was forced to be local because of a version file. |
| The entry in the global offset table will already have been |
| initialized in the relocate_section function. */ |
| if (info->shared |
| && (info->symbolic || h->dynindx == -1) |
| && h->def_regular) |
| { |
| rel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); |
| rel.r_addend = (h->root.u.def.value |
| + h->root.u.def.section->output_section->vma |
| + h->root.u.def.section->output_offset); |
| } |
| else |
| { |
| bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); |
| rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_GLOB_DAT64); |
| rel.r_addend = 0; |
| } |
| |
| loc = srel->contents; |
| loc += srel->reloc_count++ * sizeof (Elf64_External_Rela); |
| bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); |
| } |
| |
| if (h->needs_copy) |
| { |
| asection *s; |
| Elf_Internal_Rela rel; |
| bfd_byte *loc; |
| |
| /* This symbol needs a copy reloc. Set it up. */ |
| |
| BFD_ASSERT (h->dynindx != -1 |
| && (h->root.type == bfd_link_hash_defined |
| || h->root.type == bfd_link_hash_defweak)); |
| |
| s = bfd_get_linker_section (dynobj, ".rela.bss"); |
| BFD_ASSERT (s != NULL); |
| |
| rel.r_offset = (h->root.u.def.value |
| + h->root.u.def.section->output_section->vma |
| + h->root.u.def.section->output_offset); |
| rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_COPY64); |
| rel.r_addend = 0; |
| loc = s->contents; |
| loc += s->reloc_count++ * sizeof (Elf64_External_Rela); |
| bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); |
| } |
| |
| /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ |
| if (strcmp (h->root.root.string, "_DYNAMIC") == 0 |
| || h == elf_hash_table (info)->hgot) |
| sym->st_shndx = SHN_ABS; |
| |
| return TRUE; |
| } |
| |
| /* Finish up the dynamic sections. */ |
| |
| static bfd_boolean |
| sh64_elf64_finish_dynamic_sections (bfd *output_bfd, |
| struct bfd_link_info *info) |
| { |
| bfd *dynobj; |
| asection *sgot; |
| asection *sdyn; |
| |
| dynobj = elf_hash_table (info)->dynobj; |
| |
| sgot = bfd_get_linker_section (dynobj, ".got.plt"); |
| BFD_ASSERT (sgot != NULL); |
| sdyn = bfd_get_linker_section (dynobj, ".dynamic"); |
| |
| if (elf_hash_table (info)->dynamic_sections_created) |
| { |
| asection *splt; |
| Elf64_External_Dyn *dyncon, *dynconend; |
| |
| BFD_ASSERT (sdyn != NULL); |
| |
| dyncon = (Elf64_External_Dyn *) sdyn->contents; |
| dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size); |
| for (; dyncon < dynconend; dyncon++) |
| { |
| Elf_Internal_Dyn dyn; |
| const char *name; |
| asection *s; |
| struct elf_link_hash_entry *h; |
| |
| bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn); |
| |
| switch (dyn.d_tag) |
| { |
| default: |
| break; |
| |
| case DT_INIT: |
| name = info->init_function; |
| goto get_sym; |
| |
| case DT_FINI: |
| name = info->fini_function; |
| get_sym: |
| if (dyn.d_un.d_val != 0) |
| { |
| h = elf_link_hash_lookup (elf_hash_table (info), name, |
| FALSE, FALSE, TRUE); |
| if (h != NULL && (h->other & STO_SH5_ISA32)) |
| { |
| dyn.d_un.d_val |= 1; |
| bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); |
| } |
| } |
| break; |
| |
| case DT_PLTGOT: |
| name = ".got"; |
| goto get_vma; |
| |
| case DT_JMPREL: |
| name = ".rela.plt"; |
| get_vma: |
| s = bfd_get_section_by_name (output_bfd, name); |
| BFD_ASSERT (s != NULL); |
| dyn.d_un.d_ptr = s->vma; |
| bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); |
| break; |
| |
| case DT_PLTRELSZ: |
| s = bfd_get_section_by_name (output_bfd, ".rela.plt"); |
| BFD_ASSERT (s != NULL); |
| dyn.d_un.d_val = s->size; |
| bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); |
| break; |
| |
| case DT_RELASZ: |
| /* My reading of the SVR4 ABI indicates that the |
| procedure linkage table relocs (DT_JMPREL) should be |
| included in the overall relocs (DT_RELA). This is |
| what Solaris does. However, UnixWare can not handle |
| that case. Therefore, we override the DT_RELASZ entry |
| here to make it not include the JMPREL relocs. Since |
| the linker script arranges for .rela.plt to follow all |
| other relocation sections, we don't have to worry |
| about changing the DT_RELA entry. */ |
| s = bfd_get_section_by_name (output_bfd, ".rela.plt"); |
| if (s != NULL) |
| dyn.d_un.d_val -= s->size; |
| bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); |
| break; |
| } |
| } |
| |
| /* Fill in the first entry in the procedure linkage table. */ |
| splt = bfd_get_linker_section (dynobj, ".plt"); |
| if (splt && splt->size > 0) |
| { |
| if (info->shared) |
| { |
| if (elf_sh64_pic_plt_entry == NULL) |
| { |
| elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ? |
| elf_sh64_pic_plt_entry_be : |
| elf_sh64_pic_plt_entry_le); |
| } |
| memcpy (splt->contents, elf_sh64_pic_plt_entry, |
| elf_sh64_sizeof_plt (info)); |
| } |
| else |
| { |
| if (elf_sh64_plt0_entry == NULL) |
| { |
| elf_sh64_plt0_entry = (bfd_big_endian (output_bfd) ? |
| elf_sh64_plt0_entry_be : |
| elf_sh64_plt0_entry_le); |
| } |
| memcpy (splt->contents, elf_sh64_plt0_entry, PLT_ENTRY_SIZE); |
| movi_3shori_putval (output_bfd, |
| sgot->output_section->vma |
| + sgot->output_offset, |
| splt->contents |
| + elf_sh64_plt0_gotplt_offset (info)); |
| } |
| |
| /* UnixWare sets the entsize of .plt to 8, although that doesn't |
| really seem like the right value. */ |
| elf_section_data (splt->output_section)->this_hdr.sh_entsize = 8; |
| } |
| } |
| |
| /* Fill in the first three entries in the global offset table. */ |
| if (sgot->size > 0) |
| { |
| if (sdyn == NULL) |
| bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents); |
| else |
| bfd_put_64 (output_bfd, |
| sdyn->output_section->vma + sdyn->output_offset, |
| sgot->contents); |
| bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 8); |
| bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 16); |
| } |
| |
| elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 8; |
| |
| return TRUE; |
| } |
| |
| /* Merge non visibility st_other attribute when the symbol comes from |
| a dynamic object. */ |
| static void |
| sh64_elf64_merge_symbol_attribute (struct elf_link_hash_entry *h, |
| const Elf_Internal_Sym *isym, |
| bfd_boolean definition, |
| bfd_boolean dynamic ATTRIBUTE_UNUSED) |
| { |
| if ((isym->st_other & ~ELF_ST_VISIBILITY (-1)) != 0) |
| { |
| unsigned char other; |
| |
| /* Take the balance of OTHER from the definition. */ |
| other = (definition ? isym->st_other : h->other); |
| other &= ~ ELF_ST_VISIBILITY (-1); |
| h->other = other | ELF_ST_VISIBILITY (h->other); |
| } |
| |
| return; |
| } |
| |
| static const struct bfd_elf_special_section sh64_elf64_special_sections[]= |
| { |
| { STRING_COMMA_LEN (".cranges"), 0, SHT_PROGBITS, 0 }, |
| { NULL, 0, 0, 0, 0 } |
| }; |
| |
| #define TARGET_BIG_SYM bfd_elf64_sh64_vec |
| #define TARGET_BIG_NAME "elf64-sh64" |
| #define TARGET_LITTLE_SYM bfd_elf64_sh64l_vec |
| #define TARGET_LITTLE_NAME "elf64-sh64l" |
| #define ELF_ARCH bfd_arch_sh |
| #define ELF_MACHINE_CODE EM_SH |
| #define ELF_MAXPAGESIZE 128 |
| |
| #define elf_symbol_leading_char '_' |
| |
| #define bfd_elf64_bfd_reloc_type_lookup sh_elf64_reloc_type_lookup |
| #define bfd_elf64_bfd_reloc_name_lookup \ |
| sh_elf64_reloc_name_lookup |
| #define elf_info_to_howto sh_elf64_info_to_howto |
| |
| /* Note: there's no relaxation at present. */ |
| |
| #define elf_backend_relocate_section sh_elf64_relocate_section |
| #define bfd_elf64_bfd_get_relocated_section_contents \ |
| sh_elf64_get_relocated_section_contents |
| #define elf_backend_object_p sh_elf64_set_mach_from_flags |
| #define bfd_elf64_bfd_set_private_flags \ |
| sh_elf64_set_private_flags |
| #define bfd_elf64_bfd_copy_private_bfd_data \ |
| sh_elf64_copy_private_data |
| #define bfd_elf64_bfd_merge_private_bfd_data \ |
| sh_elf64_merge_private_data |
| #define elf_backend_fake_sections sh64_elf64_fake_sections |
| |
| #define elf_backend_gc_mark_hook sh_elf64_gc_mark_hook |
| #define elf_backend_check_relocs sh_elf64_check_relocs |
| |
| #define elf_backend_can_gc_sections 1 |
| |
| #define elf_backend_get_symbol_type sh64_elf64_get_symbol_type |
| |
| #define elf_backend_add_symbol_hook sh64_elf64_add_symbol_hook |
| |
| #define elf_backend_link_output_symbol_hook \ |
| sh64_elf64_link_output_symbol_hook |
| |
| #define elf_backend_merge_symbol_attribute \ |
| sh64_elf64_merge_symbol_attribute |
| |
| #define elf_backend_final_write_processing \ |
| sh64_elf64_final_write_processing |
| |
| #define elf_backend_create_dynamic_sections \ |
| sh64_elf64_create_dynamic_sections |
| #define bfd_elf64_bfd_link_hash_table_create \ |
| sh64_elf64_link_hash_table_create |
| #define elf_backend_adjust_dynamic_symbol \ |
| sh64_elf64_adjust_dynamic_symbol |
| #define elf_backend_size_dynamic_sections \ |
| sh64_elf64_size_dynamic_sections |
| #define elf_backend_omit_section_dynsym \ |
| ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true) |
| #define elf_backend_finish_dynamic_symbol \ |
| sh64_elf64_finish_dynamic_symbol |
| #define elf_backend_finish_dynamic_sections \ |
| sh64_elf64_finish_dynamic_sections |
| #define elf_backend_special_sections sh64_elf64_special_sections |
| |
| #define elf_backend_want_got_plt 1 |
| #define elf_backend_plt_readonly 1 |
| #define elf_backend_want_plt_sym 0 |
| #define elf_backend_got_header_size 24 |
| |
| #include "elf64-target.h" |
| |
| /* NetBSD support. */ |
| #undef TARGET_BIG_SYM |
| #define TARGET_BIG_SYM bfd_elf64_sh64nbsd_vec |
| #undef TARGET_BIG_NAME |
| #define TARGET_BIG_NAME "elf64-sh64-nbsd" |
| #undef TARGET_LITTLE_SYM |
| #define TARGET_LITTLE_SYM bfd_elf64_sh64lnbsd_vec |
| #undef TARGET_LITTLE_NAME |
| #define TARGET_LITTLE_NAME "elf64-sh64l-nbsd" |
| #undef ELF_MAXPAGESIZE |
| #define ELF_MAXPAGESIZE 0x10000 |
| #undef elf_symbol_leading_char |
| #define elf_symbol_leading_char 0 |
| |
| #define elf64_bed elf64_sh64_nbsd_bed |
| |
| #include "elf64-target.h" |
| |
| /* Linux support. */ |
| #undef TARGET_BIG_SYM |
| #define TARGET_BIG_SYM bfd_elf64_sh64blin_vec |
| #undef TARGET_BIG_NAME |
| #define TARGET_BIG_NAME "elf64-sh64big-linux" |
| #undef TARGET_LITTLE_SYM |
| #define TARGET_LITTLE_SYM bfd_elf64_sh64lin_vec |
| #undef TARGET_LITTLE_NAME |
| #define TARGET_LITTLE_NAME "elf64-sh64-linux" |
| #undef elf64_bed |
| #define elf64_bed elf64_sh64_linux_bed |
| |
| #include "elf64-target.h" |