/* PowerPC-specific support for 32-bit ELF
- Copyright 1994, 1995 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This file is based on a preliminary PowerPC ELF ABI. The
information may not match the final PowerPC ELF ABI. It includes
#include "bfd.h"
#include "sysdep.h"
+#include "bfdlink.h"
#include "libbfd.h"
-#include "libelf.h"
+#include "elf-bfd.h"
+#include "elf/ppc.h"
-static bfd_reloc_status_type ppc_elf_unsupported_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_reloc_status_type ppc_elf_addr16_ha_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_reloc_status_type ppc_elf_got16_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
- PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
-static void powerpc_info_to_howto
- PARAMS ((bfd *abfd, arelent *cache_ptr, Elf32_Internal_Rela *dst));
+#define USE_RELA /* we want RELA relocations, not REL */
-#define USE_RELA
-
-enum reloc_type
+/* PowerPC relocations defined by the ABIs */
+enum ppc_reloc_type
{
- R_PPC_NONE = 0, /* 0 */
- R_PPC_ADDR32, /* 1 */
- R_PPC_ADDR24, /* 2 */
- R_PPC_ADDR16, /* 3 */
- R_PPC_ADDR16_LO, /* 4 */
- R_PPC_ADDR16_HI, /* 5 */
- R_PPC_ADDR16_HA, /* 6 */
- R_PPC_ADDR14, /* 7 */
- R_PPC_ADDR14_BRTAKEN, /* 8 */
- R_PPC_ADDR14_BRNTAKEN, /* 9 */
- R_PPC_REL24, /* 10 */
- R_PPC_REL14, /* 11 */
- R_PPC_REL14_BRTAKEN, /* 12 */
- R_PPC_REL14_BRNTAKEN, /* 13 */
- R_PPC_GOT16, /* 14 */
- R_PPC_GOT16_LO, /* 15 */
- R_PPC_GOT16_HI, /* 16 */
- R_PPC_GOT16_HA, /* 17 */
- R_PPC_PLT24, /* 18 */
- R_PPC_COPY, /* 19 */
- R_PPC_GLOB_DAT, /* 20 -- not in final System V spec */
- R_PPC_JMP_SLOT, /* 21 */
- R_PPC_RELATIVE, /* 22 */
- R_PPC_LOCAL24PC, /* 23 */
- R_PPC_UADDR32, /* 24 */
- R_PPC_UADDR16, /* 25 */
- R_PPC_REL32, /* 26 */
- R_PPC_PLT32, /* 27 */
- R_PPC_PLTREL32, /* 28 */
- R_PPC_PLT16_LO, /* 29 */
- R_PPC_PLT16_HI, /* 30 */
- R_PPC_PLT16_HA, /* 31 */
- R_PPC_SDAREL, /* 32 */
-
- /* Relocations added by Sun. */
- R_PPC_SECTOFF, /* 33 */
- R_PPC_SECTOFF_LO, /* 34 */
- R_PPC_SECTOFF_HI, /* 35 */
- R_PPC_SECTOFF_HA, /* 36 */
+ R_PPC_NONE = 0,
+ R_PPC_ADDR32 = 1,
+ R_PPC_ADDR24 = 2,
+ R_PPC_ADDR16 = 3,
+ R_PPC_ADDR16_LO = 4,
+ R_PPC_ADDR16_HI = 5,
+ R_PPC_ADDR16_HA = 6,
+ R_PPC_ADDR14 = 7,
+ R_PPC_ADDR14_BRTAKEN = 8,
+ R_PPC_ADDR14_BRNTAKEN = 9,
+ R_PPC_REL24 = 10,
+ R_PPC_REL14 = 11,
+ R_PPC_REL14_BRTAKEN = 12,
+ R_PPC_REL14_BRNTAKEN = 13,
+ R_PPC_GOT16 = 14,
+ R_PPC_GOT16_LO = 15,
+ R_PPC_GOT16_HI = 16,
+ R_PPC_GOT16_HA = 17,
+ R_PPC_PLTREL24 = 18,
+ R_PPC_COPY = 19,
+ R_PPC_GLOB_DAT = 20,
+ R_PPC_JMP_SLOT = 21,
+ R_PPC_RELATIVE = 22,
+ R_PPC_LOCAL24PC = 23,
+ R_PPC_UADDR32 = 24,
+ R_PPC_UADDR16 = 25,
+ R_PPC_REL32 = 26,
+ R_PPC_PLT32 = 27,
+ R_PPC_PLTREL32 = 28,
+ R_PPC_PLT16_LO = 29,
+ R_PPC_PLT16_HI = 30,
+ R_PPC_PLT16_HA = 31,
+ R_PPC_SDAREL16 = 32,
+ R_PPC_SECTOFF = 33,
+ R_PPC_SECTOFF_LO = 34,
+ R_PPC_SECTOFF_HI = 35,
+ R_PPC_SECTOFF_HA = 36,
/* The remaining relocs are from the Embedded ELF ABI, and are not
in the SVR4 ELF ABI. */
- R_PPC_EMB_NADDR32 = 101, /* 101 */
- R_PPC_EMB_NADDR16, /* 102 */
- R_PPC_EMB_NADDR16_LO, /* 103 */
- R_PPC_EMB_NADDR16_HI, /* 104 */
- R_PPC_EMB_NADDR16_HA, /* 105 */
- R_PPC_EMB_SDAI16, /* 106 */
- R_PPC_EMB_SDA2I16, /* 107 */
- R_PPC_EMB_SDA2REL, /* 108 */
- R_PPC_EMB_SDA21, /* 109 */
- R_PPC_EMB_MRKREF, /* 110 */
- R_PPC_EMB_RELSEC16, /* 111 */
- R_PPC_EMB_RELST_LO, /* 112 */
- R_PPC_EMB_RELST_HI, /* 113 */
- R_PPC_EMB_RELST_HA, /* 114 */
- R_PPC_EMB_BIT_FLD, /* 115 */
- R_PPC_EMB_RELSDA, /* 116 */
+ R_PPC_EMB_NADDR32 = 101,
+ R_PPC_EMB_NADDR16 = 102,
+ R_PPC_EMB_NADDR16_LO = 103,
+ R_PPC_EMB_NADDR16_HI = 104,
+ R_PPC_EMB_NADDR16_HA = 105,
+ R_PPC_EMB_SDAI16 = 106,
+ R_PPC_EMB_SDA2I16 = 107,
+ R_PPC_EMB_SDA2REL = 108,
+ R_PPC_EMB_SDA21 = 109,
+ R_PPC_EMB_MRKREF = 110,
+ R_PPC_EMB_RELSEC16 = 111,
+ R_PPC_EMB_RELST_LO = 112,
+ R_PPC_EMB_RELST_HI = 113,
+ R_PPC_EMB_RELST_HA = 114,
+ R_PPC_EMB_BIT_FLD = 115,
+ R_PPC_EMB_RELSDA = 116,
+
+ /* This is a phony reloc to handle any old fashioned TOC16 references
+ that may still be in object files. */
+ R_PPC_TOC16 = 255,
+
R_PPC_max
};
-static reloc_howto_type elf_powerpc_howto_table[] =
+static reloc_howto_type *ppc_elf_reloc_type_lookup
+ PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
+static void ppc_elf_info_to_howto
+ PARAMS ((bfd *abfd, arelent *cache_ptr, Elf32_Internal_Rela *dst));
+static void ppc_elf_howto_init PARAMS ((void));
+static bfd_reloc_status_type ppc_elf_addr16_ha_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static boolean ppc_elf_set_private_flags PARAMS ((bfd *, flagword));
+static boolean ppc_elf_copy_private_bfd_data PARAMS ((bfd *, bfd *));
+static boolean ppc_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *));
+
+static int ppc_elf_additional_program_headers PARAMS ((bfd *));
+static boolean ppc_elf_modify_segment_map PARAMS ((bfd *));
+
+static boolean ppc_elf_section_from_shdr PARAMS ((bfd *,
+ Elf32_Internal_Shdr *,
+ char *));
+static boolean ppc_elf_fake_sections
+ PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *));
+
+static elf_linker_section_t *ppc_elf_create_linker_section
+ PARAMS ((bfd *abfd,
+ struct bfd_link_info *info,
+ enum elf_linker_section_enum));
+
+static boolean ppc_elf_check_relocs PARAMS ((bfd *,
+ struct bfd_link_info *,
+ asection *,
+ const Elf_Internal_Rela *));
+
+static boolean ppc_elf_adjust_dynamic_symbol PARAMS ((struct bfd_link_info *,
+ struct elf_link_hash_entry *));
+
+static boolean ppc_elf_adjust_dynindx PARAMS ((struct elf_link_hash_entry *, PTR));
+
+static boolean ppc_elf_size_dynamic_sections PARAMS ((bfd *, struct bfd_link_info *));
+
+static boolean ppc_elf_relocate_section PARAMS ((bfd *,
+ struct bfd_link_info *info,
+ bfd *,
+ asection *,
+ bfd_byte *,
+ Elf_Internal_Rela *relocs,
+ Elf_Internal_Sym *local_syms,
+ asection **));
+
+static boolean ppc_elf_add_symbol_hook PARAMS ((bfd *,
+ struct bfd_link_info *,
+ const Elf_Internal_Sym *,
+ const char **,
+ flagword *,
+ asection **,
+ bfd_vma *));
+
+static boolean ppc_elf_finish_dynamic_symbol PARAMS ((bfd *,
+ struct bfd_link_info *,
+ struct elf_link_hash_entry *,
+ Elf_Internal_Sym *));
+
+static boolean ppc_elf_finish_dynamic_sections PARAMS ((bfd *, struct bfd_link_info *));
+
+#define BRANCH_PREDICT_BIT 0x200000 /* branch prediction bit for branch taken relocs */
+#define RA_REGISTER_MASK 0x001f0000 /* mask to set RA in memory instructions */
+#define RA_REGISTER_SHIFT 16 /* value to shift register by to insert RA */
+
+/* The name of the dynamic interpreter. This is put in the .interp
+ section. */
+
+#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
+
+/* The size in bytes of an entry in the procedure linkage table, and of the initial size
+ of the plt reserved for the dynamic linker. */
+
+#define PLT_ENTRY_SIZE 12
+#define PLT_INITIAL_ENTRY_SIZE 72
+
+\f
+static reloc_howto_type *ppc_elf_howto_table[ (int)R_PPC_max ];
+
+static reloc_howto_type ppc_elf_howto_raw[] =
{
/* This reloc does nothing. */
- HOWTO (R_PPC_NONE, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_NONE, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_NONE", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_NONE", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false), /* pcrel_offset */
/* A standard 32 bit relocation. */
- HOWTO (R_PPC_ADDR32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_ADDR32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_ADDR32", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
/* An absolute 26 bit branch; the lower two bits must be zero.
FIXME: we don't check that, we just clear them. */
- HOWTO (R_PPC_ADDR24, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_ADDR24, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_ADDR24", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0x3fffffc, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x3fffffc, /* dst_mask */
+ false), /* pcrel_offset */
/* A standard 16 bit relocation. */
- HOWTO (R_PPC_ADDR16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_ADDR16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_ADDR16", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* A 16 bit relocation without overflow. */
- HOWTO (R_PPC_ADDR16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_ADDR16_LO, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_ADDR16_LO", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* The high order 16 bits of an address. */
- HOWTO (R_PPC_ADDR16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_ADDR16_HI, /* type */
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_ADDR16_HI", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* The high order 16 bits of an address, plus 1 if the contents of
- the low 16 bits, treated as a signed number, is negative. */
- HOWTO (R_PPC_ADDR16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ the low 16 bits, treated as a signed number, is negative. */
+ HOWTO (R_PPC_ADDR16_HA, /* type */
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc_elf_addr16_ha_reloc, /* special_function */
"R_PPC_ADDR16_HA", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* An absolute 16 bit branch; the lower two bits must be zero.
FIXME: we don't check that, we just clear them. */
- HOWTO (R_PPC_ADDR14, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_ADDR14, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_ADDR14", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ false), /* pcrel_offset */
/* An absolute 16 bit branch, for which bit 10 should be set to
- indicate that the branch is expected to be taken. The lower two
- bits must be zero. */
- HOWTO (R_PPC_ADDR14_BRTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ indicate that the branch is expected to be taken. The lower two
+ bits must be zero. */
+ HOWTO (R_PPC_ADDR14_BRTAKEN, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_ADDR14_BRTAKEN",/* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ false), /* pcrel_offset */
/* An absolute 16 bit branch, for which bit 10 should be set to
indicate that the branch is not expected to be taken. The lower
two bits must be zero. */
HOWTO (R_PPC_ADDR14_BRNTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_ADDR14_BRNTAKEN",/* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- false), /* pcrel_offset */
-
- /* A relative 26 bit branch; the lower two bits must be zero. */
- HOWTO (R_PPC_REL24, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* A relative 26 bit branch; the lower two bits must be zero. */
+ HOWTO (R_PPC_REL24, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC_REL24", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0x3fffffc, /* dst_mask */
- true), /* pcrel_offset */
-
- /* A relative 16 bit branch; the lower two bits must be zero. */
- HOWTO (R_PPC_REL14, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x3fffffc, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* A relative 16 bit branch; the lower two bits must be zero. */
+ HOWTO (R_PPC_REL14, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_REL14", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- true), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ true), /* pcrel_offset */
- /* A relative 16 bit branch. Bit 10 should be set to indicate that
+ /* A relative 16 bit branch. Bit 10 should be set to indicate that
the branch is expected to be taken. The lower two bits must be
zero. */
- HOWTO (R_PPC_REL14_BRTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_REL14_BRTAKEN, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_REL14_BRTAKEN", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- true), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ true), /* pcrel_offset */
- /* A relative 16 bit branch. Bit 10 should be set to indicate that
+ /* A relative 16 bit branch. Bit 10 should be set to indicate that
the branch is not expected to be taken. The lower two bits must
be zero. */
- HOWTO (R_PPC_REL14_BRNTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_REL14_BRNTAKEN, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_REL14_BRNTAKEN",/* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- true), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ true), /* pcrel_offset */
/* Like R_PPC_ADDR16, but referring to the GOT table entry for the
symbol. */
- HOWTO (R_PPC_GOT16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_got16_reloc, /* special_function */
+ HOWTO (R_PPC_GOT16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_GOT16", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* Like R_PPC_ADDR16_LO, but referring to the GOT table entry for
the symbol. */
- HOWTO (R_PPC_GOT16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_GOT16_LO, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_got16_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_GOT16_LO", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* Like R_PPC_ADDR16_HI, but referring to the GOT table entry for
the symbol. */
- HOWTO (R_PPC_GOT16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_GOT16_HI, /* type */
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_got16_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_GOT16_HI", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* Like R_PPC_ADDR16_HA, but referring to the GOT table entry for
- the symbol. FIXME: Not supported. */
- HOWTO (R_PPC_GOT16_HA, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ the symbol. */
+ HOWTO (R_PPC_GOT16_HA, /* type */
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ ppc_elf_addr16_ha_reloc, /* special_function */
"R_PPC_GOT16_HA", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* Like R_PPC_REL24, but referring to the procedure linkage table
entry for the symbol. FIXME: Not supported. */
- HOWTO (R_PPC_PLT24, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_PLT24", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0x3fffffc, /* dst_mask */
- true), /* pcrel_offset */
+ HOWTO (R_PPC_PLTREL24, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_PLTREL24", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x3fffffc, /* dst_mask */
+ true), /* pcrel_offset */
/* This is used only by the dynamic linker. The symbol should exist
both in the object being run and in some shared library. The
dynamic linker copies the data addressed by the symbol from the
shared library into the object. I have no idea what the purpose
of this is. */
- HOWTO (R_PPC_COPY, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_COPY, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_COPY", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false), /* pcrel_offset */
/* Like R_PPC_ADDR32, but used when setting global offset table
entries. */
- HOWTO (R_PPC_GLOB_DAT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_GLOB_DAT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_GLOB_DAT", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
/* Marks a procedure linkage table entry for a symbol. */
- HOWTO (R_PPC_JMP_SLOT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_JMP_SLOT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_JMP_SLOT", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false), /* pcrel_offset */
/* Used only by the dynamic linker. When the object is run, this
longword is set to the load address of the object, plus the
addend. */
- HOWTO (R_PPC_RELATIVE, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_RELATIVE, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_RELATIVE", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
/* Like R_PPC_REL24, but uses the value of the symbol within the
object rather than the final value. Normally used for
_GLOBAL_OFFSET_TABLE_. FIXME: Not supported. */
- HOWTO (R_PPC_LOCAL24PC, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_LOCAL24PC, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_LOCAL24PC", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0x3fffffc, /* dst_mask */
- true), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0x3fffffc, /* dst_mask */
+ true), /* pcrel_offset */
/* Like R_PPC_ADDR32, but may be unaligned. */
- HOWTO (R_PPC_UADDR32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_UADDR32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_UADDR32", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
/* Like R_PPC_ADDR16, but may be unaligned. */
- HOWTO (R_PPC_UADDR16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_UADDR16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_UADDR16", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* 32-bit PC relative */
HOWTO (R_PPC_REL32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_REL32", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
true), /* pcrel_offset */
/* 32-bit relocation to the symbol's procedure linkage table.
FIXEME: not supported. */
HOWTO (R_PPC_PLT32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_PLT32", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ false), /* pcrel_offset */
/* 32-bit PC relative relocation to the symbol's procedure linkage table.
FIXEME: not supported. */
HOWTO (R_PPC_PLTREL32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_PLTREL32", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
true), /* pcrel_offset */
/* Like R_PPC_ADDR16_LO, but referring to the PLT table entry for
the symbol. */
- HOWTO (R_PPC_PLT16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_PLT16_LO, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_PLT16_LO", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* Like R_PPC_ADDR16_HI, but referring to the PLT table entry for
the symbol. */
- HOWTO (R_PPC_PLT16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ HOWTO (R_PPC_PLT16_HI, /* type */
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_PLT16_HI", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* Like R_PPC_ADDR16_HA, but referring to the PLT table entry for
- the symbol. FIXME: Not supported. */
- HOWTO (R_PPC_PLT16_HA, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ the symbol. FIXME: Not supported. */
+ HOWTO (R_PPC_PLT16_HA, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_PLT16_HA", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
- /* A sign-extended 16 bit value relative to _SDA_BASE, for use with
+ /* A sign-extended 16 bit value relative to _SDA_BASE_, for use with
small data items. */
- HOWTO (R_PPC_SDAREL, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
- "R_PPC_SDAREL", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
-
- /* These next 4 relocations were added by Sun. */
- /* 32-bit section relative relocation. FIXME: not supported. */
+ HOWTO (R_PPC_SDAREL16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_SDAREL16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 32-bit section relative relocation. */
HOWTO (R_PPC_SECTOFF, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_SECTOFF", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
true), /* pcrel_offset */
- /* 16-bit lower half section relative relocation. FIXME: not supported. */
- HOWTO (R_PPC_SECTOFF_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ /* 16-bit lower half section relative relocation. */
+ HOWTO (R_PPC_SECTOFF_LO, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_SECTOFF_LO", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
- /* 16-bit upper half section relative relocation. FIXME: not supported. */
+ /* 16-bit upper half section relative relocation. */
HOWTO (R_PPC_SECTOFF_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_SECTOFF_HI", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
- /* 16-bit upper half adjusted section relative relocation. FIXME: not supported. */
+ /* 16-bit upper half adjusted section relative relocation. */
HOWTO (R_PPC_SECTOFF_HA, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_SECTOFF_HA", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* The remaining relocs are from the Embedded ELF ABI, and are not
in the SVR4 ELF ABI. */
/* 32 bit value resulting from the addend minus the symbol */
HOWTO (R_PPC_EMB_NADDR32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_EMB_NADDR32", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
/* 16 bit value resulting from the addend minus the symbol */
HOWTO (R_PPC_EMB_NADDR16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_EMB_NADDR16", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* 16 bit value resulting from the addend minus the symbol */
HOWTO (R_PPC_EMB_NADDR16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_EMB_ADDR16_LO", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* The high order 16 bits of the addend minus the symbol */
HOWTO (R_PPC_EMB_NADDR16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_EMB_NADDR16_HI", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
/* The high order 16 bits of the result of the addend minus the address,
plus 1 if the contents of the low 16 bits, treated as a signed number,
is negative. */
HOWTO (R_PPC_EMB_NADDR16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_PPC_EMB_NADDR16_HA", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 16 bit value resulting from allocating a 4 byte word to hold an
+ address in the .sdata section, and returning the offset from
+ _SDA_BASE_ for that relocation */
+ HOWTO (R_PPC_EMB_SDAI16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_EMB_SDAI16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 16 bit value resulting from allocating a 4 byte word to hold an
+ address in the .sdata2 section, and returning the offset from
+ _SDA2_BASE_ for that relocation */
+ HOWTO (R_PPC_EMB_SDA2I16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_EMB_SDA2I16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* A sign-extended 16 bit value relative to _SDA2_BASE_, for use with
+ small data items. */
+ HOWTO (R_PPC_EMB_SDA2REL, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_EMB_SDA2REL", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Relocate against either _SDA_BASE_ or _SDA2_BASE_, filling in the 16 bit
+ signed offset from the appropriate base, and filling in the register
+ field with the appropriate register (0, 2, or 13). */
+ HOWTO (R_PPC_EMB_SDA21, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_EMB_SDA21", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Relocation not handled: R_PPC_EMB_MRKREF */
+ /* Relocation not handled: R_PPC_EMB_RELSEC16 */
+ /* Relocation not handled: R_PPC_EMB_RELST_LO */
+ /* Relocation not handled: R_PPC_EMB_RELST_HI */
+ /* Relocation not handled: R_PPC_EMB_RELST_HA */
+ /* Relocation not handled: R_PPC_EMB_BIT_FLD */
+
+ /* PC relative relocation against either _SDA_BASE_ or _SDA2_BASE_, filling
+ in the 16 bit signed offset from the appropriate base, and filling in the
+ register field with the appropriate register (0, 2, or 13). */
+ HOWTO (R_PPC_EMB_RELSDA, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ true, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_EMB_RELSDA", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Phony reloc to handle AIX style TOC entries */
+ HOWTO (R_PPC_TOC16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC_TOC16", /* name */
+ false, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
};
-/* Don't pretend we can deal with unsupported relocs. */
+\f
+/* Initialize the ppc_elf_howto_table, so that linear accesses can be done. */
-/*ARGSUSED*/
-static bfd_reloc_status_type
-ppc_elf_unsupported_reloc (abfd, reloc_entry, symbol, data, input_section,
- output_bfd, error_message)
+static void
+ppc_elf_howto_init ()
+{
+ unsigned int i, type;
+
+ for (i = 0; i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]); i++)
+ {
+ type = ppc_elf_howto_raw[i].type;
+ BFD_ASSERT (type < sizeof(ppc_elf_howto_table) / sizeof(ppc_elf_howto_table[0]));
+ ppc_elf_howto_table[type] = &ppc_elf_howto_raw[i];
+ }
+}
+
+\f
+static reloc_howto_type *
+ppc_elf_reloc_type_lookup (abfd, code)
bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+ bfd_reloc_code_real_type code;
{
- abort ();
+ enum ppc_reloc_type ppc_reloc = R_PPC_NONE;
+
+ if (!ppc_elf_howto_table[ R_PPC_ADDR32 ]) /* Initialize howto table if needed */
+ ppc_elf_howto_init ();
+
+ switch ((int)code)
+ {
+ default:
+ return (reloc_howto_type *)NULL;
+
+ case BFD_RELOC_NONE: ppc_reloc = R_PPC_NONE; break;
+ case BFD_RELOC_32: ppc_reloc = R_PPC_ADDR32; break;
+ case BFD_RELOC_PPC_BA26: ppc_reloc = R_PPC_ADDR24; break;
+ case BFD_RELOC_16: ppc_reloc = R_PPC_ADDR16; break;
+ case BFD_RELOC_LO16: ppc_reloc = R_PPC_ADDR16_LO; break;
+ case BFD_RELOC_HI16: ppc_reloc = R_PPC_ADDR16_HI; break;
+ case BFD_RELOC_HI16_S: ppc_reloc = R_PPC_ADDR16_HA; break;
+ case BFD_RELOC_PPC_BA16: ppc_reloc = R_PPC_ADDR14; break;
+ case BFD_RELOC_PPC_BA16_BRTAKEN: ppc_reloc = R_PPC_ADDR14_BRTAKEN; break;
+ case BFD_RELOC_PPC_BA16_BRNTAKEN: ppc_reloc = R_PPC_ADDR14_BRNTAKEN; break;
+ case BFD_RELOC_PPC_B26: ppc_reloc = R_PPC_REL24; break;
+ case BFD_RELOC_PPC_B16: ppc_reloc = R_PPC_REL14; break;
+ case BFD_RELOC_PPC_B16_BRTAKEN: ppc_reloc = R_PPC_REL14_BRTAKEN; break;
+ case BFD_RELOC_PPC_B16_BRNTAKEN: ppc_reloc = R_PPC_REL14_BRNTAKEN; break;
+ case BFD_RELOC_16_GOTOFF: ppc_reloc = R_PPC_GOT16; break;
+ case BFD_RELOC_LO16_GOTOFF: ppc_reloc = R_PPC_GOT16_LO; break;
+ case BFD_RELOC_HI16_GOTOFF: ppc_reloc = R_PPC_GOT16_HI; break;
+ case BFD_RELOC_HI16_S_GOTOFF: ppc_reloc = R_PPC_GOT16_HA; break;
+ case BFD_RELOC_24_PLT_PCREL: ppc_reloc = R_PPC_PLTREL24; break;
+ case BFD_RELOC_PPC_COPY: ppc_reloc = R_PPC_COPY; break;
+ case BFD_RELOC_PPC_GLOB_DAT: ppc_reloc = R_PPC_GLOB_DAT; break;
+ case BFD_RELOC_PPC_LOCAL24PC: ppc_reloc = R_PPC_LOCAL24PC; break;
+ case BFD_RELOC_32_PCREL: ppc_reloc = R_PPC_REL32; break;
+ case BFD_RELOC_32_PLTOFF: ppc_reloc = R_PPC_PLT32; break;
+ case BFD_RELOC_32_PLT_PCREL: ppc_reloc = R_PPC_PLTREL32; break;
+ case BFD_RELOC_LO16_PLTOFF: ppc_reloc = R_PPC_PLT16_LO; break;
+ case BFD_RELOC_HI16_PLTOFF: ppc_reloc = R_PPC_PLT16_HI; break;
+ case BFD_RELOC_HI16_S_PLTOFF: ppc_reloc = R_PPC_PLT16_HA; break;
+ case BFD_RELOC_GPREL16: ppc_reloc = R_PPC_SDAREL16; break;
+ case BFD_RELOC_32_BASEREL: ppc_reloc = R_PPC_SECTOFF; break;
+ case BFD_RELOC_LO16_BASEREL: ppc_reloc = R_PPC_SECTOFF_LO; break;
+ case BFD_RELOC_HI16_BASEREL: ppc_reloc = R_PPC_SECTOFF_HI; break;
+ case BFD_RELOC_HI16_S_BASEREL: ppc_reloc = R_PPC_SECTOFF_HA; break;
+ case BFD_RELOC_CTOR: ppc_reloc = R_PPC_ADDR32; break;
+ case BFD_RELOC_PPC_TOC16: ppc_reloc = R_PPC_TOC16; break;
+ case BFD_RELOC_PPC_EMB_NADDR32: ppc_reloc = R_PPC_EMB_NADDR32; break;
+ case BFD_RELOC_PPC_EMB_NADDR16: ppc_reloc = R_PPC_EMB_NADDR16; break;
+ case BFD_RELOC_PPC_EMB_NADDR16_LO: ppc_reloc = R_PPC_EMB_NADDR16_LO; break;
+ case BFD_RELOC_PPC_EMB_NADDR16_HI: ppc_reloc = R_PPC_EMB_NADDR16_HI; break;
+ case BFD_RELOC_PPC_EMB_NADDR16_HA: ppc_reloc = R_PPC_EMB_NADDR16_HA; break;
+ case BFD_RELOC_PPC_EMB_SDAI16: ppc_reloc = R_PPC_EMB_SDAI16; break;
+ case BFD_RELOC_PPC_EMB_SDA2I16: ppc_reloc = R_PPC_EMB_SDA2I16; break;
+ case BFD_RELOC_PPC_EMB_SDA2REL: ppc_reloc = R_PPC_EMB_SDA2REL; break;
+ case BFD_RELOC_PPC_EMB_SDA21: ppc_reloc = R_PPC_EMB_SDA21; break;
+ case BFD_RELOC_PPC_EMB_MRKREF: ppc_reloc = R_PPC_EMB_MRKREF; break;
+ case BFD_RELOC_PPC_EMB_RELSEC16: ppc_reloc = R_PPC_EMB_RELSEC16; break;
+ case BFD_RELOC_PPC_EMB_RELST_LO: ppc_reloc = R_PPC_EMB_RELST_LO; break;
+ case BFD_RELOC_PPC_EMB_RELST_HI: ppc_reloc = R_PPC_EMB_RELST_HI; break;
+ case BFD_RELOC_PPC_EMB_RELST_HA: ppc_reloc = R_PPC_EMB_RELST_HA; break;
+ case BFD_RELOC_PPC_EMB_BIT_FLD: ppc_reloc = R_PPC_EMB_BIT_FLD; break;
+ case BFD_RELOC_PPC_EMB_RELSDA: ppc_reloc = R_PPC_EMB_RELSDA; break;
+ }
+
+ return ppc_elf_howto_table[ (int)ppc_reloc ];
+};
+
+/* Set the howto pointer for a PowerPC ELF reloc. */
+
+static void
+ppc_elf_info_to_howto (abfd, cache_ptr, dst)
+ bfd *abfd;
+ arelent *cache_ptr;
+ Elf32_Internal_Rela *dst;
+{
+ if (!ppc_elf_howto_table[ R_PPC_ADDR32 ]) /* Initialize howto table if needed */
+ ppc_elf_howto_init ();
+
+ BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_PPC_max);
+ cache_ptr->howto = ppc_elf_howto_table[ELF32_R_TYPE (dst->r_info)];
}
-/* Handle the ADDR16_HA reloc by adjusting the reloc addend. */
+/* Handle the R_PPC_ADDR16_HA reloc. */
static bfd_reloc_status_type
ppc_elf_addr16_ha_reloc (abfd, reloc_entry, symbol, data, input_section,
- output_bfd, error_message)
+ output_bfd, error_message)
bfd *abfd;
arelent *reloc_entry;
asymbol *symbol;
{
bfd_vma relocation;
- if (output_bfd != (bfd *) NULL)
- return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message);
+ if (output_bfd != NULL)
+ {
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+ }
+
+ if (reloc_entry->address > input_section->_cooked_size)
+ return bfd_reloc_outofrange;
if (bfd_is_com_section (symbol->section))
relocation = 0;
else
relocation = symbol->value;
- relocation += (symbol->section->output_section->vma
- + symbol->section->output_offset
- + reloc_entry->addend);
+ relocation += symbol->section->output_section->vma;
+ relocation += symbol->section->output_offset;
+ relocation += reloc_entry->addend;
- if ((relocation & 0x8000) != 0)
- reloc_entry->addend += 0x10000;
+ reloc_entry->addend += (relocation & 0x8000) << 1;
return bfd_reloc_continue;
}
-/* Handle the GOT16 reloc. We want to use the offset within the .got
- section, not the actual VMA. This is appropriate when generating
- an embedded ELF object, for which the .got section acts like the
- AIX .toc section. When and if we support PIC code, we will have to
- change this, perhaps by switching off on the e_type field. */
+/* Function to set whether a module needs the -mrelocatable bit set. */
-static bfd_reloc_status_type
-ppc_elf_got16_reloc (abfd, reloc_entry, symbol, data, input_section,
- output_bfd, error_message)
+static boolean
+ppc_elf_set_private_flags (abfd, flags)
bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+ flagword flags;
{
- asection *sec;
+ BFD_ASSERT (!elf_flags_init (abfd)
+ || elf_elfheader (abfd)->e_flags == flags);
- if (output_bfd != (bfd *) NULL)
- return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message);
+ elf_elfheader (abfd)->e_flags = flags;
+ elf_flags_init (abfd) = true;
+ return true;
+}
- sec = bfd_get_section (*reloc_entry->sym_ptr_ptr);
- BFD_ASSERT (bfd_is_und_section (sec)
- || strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
- || strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0);
- reloc_entry->addend -= sec->output_section->vma;
- return bfd_reloc_continue;
+/* Copy backend specific data from one object module to another */
+static boolean
+ppc_elf_copy_private_bfd_data (ibfd, obfd)
+ bfd *ibfd;
+ bfd *obfd;
+{
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+ || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+ return true;
+
+ BFD_ASSERT (!elf_flags_init (obfd)
+ || elf_elfheader (obfd)->e_flags == elf_elfheader (ibfd)->e_flags);
+
+ elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
+ elf_flags_init (obfd) = true;
+ return true;
}
-/* Map BFD reloc types to PowerPC ELF reloc types. */
+/* Merge backend specific data from an object file to the output
+ object file when linking */
+static boolean
+ppc_elf_merge_private_bfd_data (ibfd, obfd)
+ bfd *ibfd;
+ bfd *obfd;
+{
+ flagword old_flags;
+ flagword new_flags;
+ boolean error;
+
+ /* Check if we have the same endianess */
+ if (ibfd->xvec->byteorder != obfd->xvec->byteorder
+ && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
+ {
+ (*_bfd_error_handler)
+ ("%s: compiled for a %s endian system and target is %s endian",
+ bfd_get_filename (ibfd),
+ bfd_big_endian (ibfd) ? "big" : "little",
+ bfd_big_endian (obfd) ? "big" : "little");
+
+ bfd_set_error (bfd_error_wrong_format);
+ return false;
+ }
+
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+ || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+ return true;
+
+ new_flags = elf_elfheader (ibfd)->e_flags;
+ old_flags = elf_elfheader (obfd)->e_flags;
+ if (!elf_flags_init (obfd)) /* First call, no flags set */
+ {
+ elf_flags_init (obfd) = true;
+ elf_elfheader (obfd)->e_flags = new_flags;
+ }
-struct powerpc_reloc_map
+ else if (new_flags == old_flags) /* Compatible flags are ok */
+ ;
+
+ else /* Incompatible flags */
+ {
+ /* Warn about -mrelocatable mismatch. Allow -mrelocatable-lib to be linked
+ with either. */
+ error = false;
+ if ((new_flags & EF_PPC_RELOCATABLE) != 0
+ && (old_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0)
+ {
+ error = true;
+ (*_bfd_error_handler)
+ ("%s: compiled with -mrelocatable and linked with modules compiled normally",
+ bfd_get_filename (ibfd));
+ }
+ else if ((new_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0
+ && (old_flags & EF_PPC_RELOCATABLE) != 0)
+ {
+ error = true;
+ (*_bfd_error_handler)
+ ("%s: compiled normally and linked with modules compiled with -mrelocatable",
+ bfd_get_filename (ibfd));
+ }
+ /* If -mrelocatable-lib is linked with an object without -mrelocatable-lib, turn off
+ the -mrelocatable-lib, since at least one module isn't relocatable. */
+ else if ((old_flags & EF_PPC_RELOCATABLE_LIB) != 0
+ && (new_flags & EF_PPC_RELOCATABLE_LIB) == 0)
+ elf_elfheader (obfd)->e_flags &= ~EF_PPC_RELOCATABLE_LIB;
+
+
+ /* Do not warn about eabi vs. V.4 mismatch, just or in the bit if any module uses it */
+ elf_elfheader (obfd)->e_flags |= (new_flags & EF_PPC_EMB);
+
+ new_flags &= ~ (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
+ old_flags &= ~ (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
+
+ /* Warn about any other mismatches */
+ if (new_flags != old_flags)
+ {
+ error = true;
+ (*_bfd_error_handler)
+ ("%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)",
+ bfd_get_filename (ibfd), (long)new_flags, (long)old_flags);
+ }
+
+ if (error)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
+ }
+
+ return true;
+}
+
+\f
+/* Handle a PowerPC specific section when reading an object file. This
+ is called when elfcode.h finds a section with an unknown type. */
+
+static boolean
+ppc_elf_section_from_shdr (abfd, hdr, name)
+ bfd *abfd;
+ Elf32_Internal_Shdr *hdr;
+ char *name;
{
- unsigned char bfd_reloc_val;
- unsigned char elf_reloc_val;
-};
+ asection *newsect;
+ flagword flags;
+
+ if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
+ return false;
+
+ newsect = hdr->bfd_section;
+ flags = bfd_get_section_flags (abfd, newsect);
+ if (hdr->sh_flags & SHF_EXCLUDE)
+ flags |= SEC_EXCLUDE;
-static const struct powerpc_reloc_map powerpc_reloc_map[] =
+ if (hdr->sh_type == SHT_ORDERED)
+ flags |= SEC_SORT_ENTRIES;
+
+ bfd_set_section_flags (abfd, newsect, flags);
+ return true;
+}
+
+\f
+/* Set up any other section flags and such that may be necessary. */
+
+static boolean
+ppc_elf_fake_sections (abfd, shdr, asect)
+ bfd *abfd;
+ Elf32_Internal_Shdr *shdr;
+ asection *asect;
{
- { BFD_RELOC_NONE, R_PPC_NONE, },
- { BFD_RELOC_32, R_PPC_ADDR32 },
- { BFD_RELOC_32_PCREL, R_PPC_REL32 },
- { BFD_RELOC_CTOR, R_PPC_ADDR32 },
- { BFD_RELOC_PPC_B26, R_PPC_REL24 },
- { BFD_RELOC_PPC_BA26, R_PPC_ADDR24 },
- { BFD_RELOC_PPC_TOC16, R_PPC_GOT16 },
- { BFD_RELOC_LO16, R_PPC_ADDR16_LO },
- { BFD_RELOC_HI16, R_PPC_ADDR16_HI },
- { BFD_RELOC_HI16_S, R_PPC_ADDR16_HA }
-};
+ if ((asect->flags & SEC_EXCLUDE) != 0)
+ shdr->sh_flags |= SHF_EXCLUDE;
-static reloc_howto_type *
-bfd_elf32_bfd_reloc_type_lookup (abfd, code)
+ if ((asect->flags & SEC_SORT_ENTRIES) != 0)
+ shdr->sh_type = SHT_ORDERED;
+
+ return true;
+}
+
+\f
+/* Create a special linker section */
+static elf_linker_section_t *
+ppc_elf_create_linker_section (abfd, info, which)
bfd *abfd;
- bfd_reloc_code_real_type code;
+ struct bfd_link_info *info;
+ enum elf_linker_section_enum which;
{
- int i;
+ bfd *dynobj = elf_hash_table (info)->dynobj;
+ elf_linker_section_t *lsect;
+
+ /* Record the first bfd section that needs the special section */
+ if (!dynobj)
+ dynobj = elf_hash_table (info)->dynobj = abfd;
- for (i = 0;
- i < sizeof (powerpc_reloc_map) / sizeof (struct powerpc_reloc_map);
- i++)
+ /* If this is the first time, create the section */
+ lsect = elf_linker_section (dynobj, which);
+ if (!lsect)
{
- if (powerpc_reloc_map[i].bfd_reloc_val == code)
- return &elf_powerpc_howto_table[powerpc_reloc_map[i].elf_reloc_val];
+ elf_linker_section_t defaults;
+ static elf_linker_section_t zero_section;
+
+ defaults = zero_section;
+ defaults.which = which;
+ defaults.hole_written_p = false;
+ defaults.alignment = 2;
+ defaults.flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY | SEC_LINKER_CREATED);
+
+ switch (which)
+ {
+ default:
+ (*_bfd_error_handler) ("%s: Unknown special linker type %d",
+ bfd_get_filename (abfd),
+ (int)which);
+
+ bfd_set_error (bfd_error_bad_value);
+ return (elf_linker_section_t *)0;
+
+ case LINKER_SECTION_SDATA: /* .sdata/.sbss section */
+ defaults.name = ".sdata";
+ defaults.rel_name = ".rela.sdata";
+ defaults.bss_name = ".sbss";
+ defaults.sym_name = "_SDA_BASE_";
+ defaults.sym_offset = 32768;
+ break;
+
+ case LINKER_SECTION_SDATA2: /* .sdata2/.sbss2 section */
+ defaults.name = ".sdata2";
+ defaults.rel_name = ".rela.sdata2";
+ defaults.bss_name = ".sbss2";
+ defaults.sym_name = "_SDA2_BASE_";
+ defaults.sym_offset = 32768;
+ defaults.flags |= SEC_READONLY;
+ break;
+ }
+
+ lsect = _bfd_elf_create_linker_section (abfd, info, which, &defaults);
}
- return NULL;
+ return lsect;
}
-/* Set the howto pointer for a PowerPC ELF reloc. */
+\f
+/* If we have a non-zero sized .sbss2 or .PPC.EMB.sbss0 sections, we need to bump up
+ the number of section headers. */
-static void
-powerpc_info_to_howto (abfd, cache_ptr, dst)
+static int
+ppc_elf_additional_program_headers (abfd)
bfd *abfd;
- arelent *cache_ptr;
- Elf32_Internal_Rela *dst;
{
- BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_PPC_max);
- cache_ptr->howto = &elf_powerpc_howto_table[ELF32_R_TYPE (dst->r_info)];
+ asection *s;
+ int ret;
+
+ ret = 0;
+
+ s = bfd_get_section_by_name (abfd, ".interp");
+ if (s != NULL)
+ ++ret;
+
+ s = bfd_get_section_by_name (abfd, ".sbss2");
+ if (s != NULL && (s->flags & SEC_LOAD) != 0 && s->_raw_size > 0)
+ ++ret;
+
+ s = bfd_get_section_by_name (abfd, ".PPC.EMB.sbss0");
+ if (s != NULL && (s->flags & SEC_LOAD) != 0 && s->_raw_size > 0)
+ ++ret;
+
+ return ret;
+}
+
+/* Modify the segment map if needed */
+
+static boolean
+ppc_elf_modify_segment_map (abfd)
+ bfd *abfd;
+{
+ return true;
+}
+\f
+/* 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 boolean
+ppc_elf_adjust_dynamic_symbol (info, h)
+ struct bfd_link_info *info;
+ struct elf_link_hash_entry *h;
+{
+ bfd *dynobj = elf_hash_table (info)->dynobj;
+ asection *s;
+ unsigned int power_of_two;
+ bfd_vma plt_offset;
+
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_adjust_dynamic_symbol called for %s\n", h->root.root.string);
+#endif
+
+ /* Make sure we know what is going on here. */
+ BFD_ASSERT (dynobj != NULL
+ && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
+ || h->weakdef != NULL
+ || ((h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_DYNAMIC) != 0
+ && (h->elf_link_hash_flags
+ & ELF_LINK_HASH_REF_REGULAR) != 0
+ && (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0)));
+
+
+ /* 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->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ {
+ if (! info->shared
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0)
+ {
+ /* This case can occur if we saw a PLT32 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 PC32
+ reloc instead. */
+ BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0);
+ return true;
+ }
+
+ /* Make sure this symbol is output as a dynamic symbol. */
+ if (h->dynindx == -1)
+ {
+ if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ return false;
+ }
+
+ s = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (s != NULL);
+
+ /* If this is the first .plt entry, make room for the special
+ first entry. */
+ if (s->_raw_size == 0)
+ s->_raw_size += PLT_INITIAL_ENTRY_SIZE;
+
+ /* The PowerPC PLT is actually composed of two parts, the first part
+ is 2 words (for a load and a jump), and then there is a remaining
+ word available at the end. */
+ plt_offset = (PLT_INITIAL_ENTRY_SIZE
+ + 8 * ((s->_raw_size - PLT_INITIAL_ENTRY_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->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ {
+ h->root.u.def.section = s;
+ h->root.u.def.value = plt_offset;
+ }
+
+ h->plt_offset = plt_offset;
+
+ /* Make room for this entry. */
+ s->_raw_size += PLT_ENTRY_SIZE;
+
+ /* We also need to make an entry in the .rela.plt section. */
+ s = bfd_get_section_by_name (dynobj, ".rela.plt");
+ BFD_ASSERT (s != NULL);
+ s->_raw_size += sizeof (Elf32_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->weakdef != NULL)
+ {
+ BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
+ || h->weakdef->root.type == bfd_link_hash_defweak);
+ h->root.u.def.section = h->weakdef->root.u.def.section;
+ h->root.u.def.value = h->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;
+
+ /* 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_section_by_name (dynobj, ".dynbss");
+ BFD_ASSERT (s != NULL);
+
+ /* We must generate a R_PPC_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)
+ {
+ asection *srel;
+
+ srel = bfd_get_section_by_name (dynobj, ".rela.bss");
+ BFD_ASSERT (srel != NULL);
+ srel->_raw_size += sizeof (Elf32_External_Rela);
+ h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
+ }
+
+ /* We need to figure out the alignment required for this symbol. I
+ have no idea how ELF linkers handle this. */
+ power_of_two = bfd_log2 (h->size);
+ if (power_of_two > 3)
+ power_of_two = 3;
+
+ /* Apply the required alignment. */
+ s->_raw_size = BFD_ALIGN (s->_raw_size,
+ (bfd_size_type) (1 << power_of_two));
+ if (power_of_two > bfd_get_section_alignment (dynobj, s))
+ {
+ if (! bfd_set_section_alignment (dynobj, s, power_of_two))
+ return false;
+ }
+
+ /* Define the symbol as being at this point in the section. */
+ h->root.u.def.section = s;
+ h->root.u.def.value = s->_raw_size;
+
+ /* Increment the section size to make room for the symbol. */
+ s->_raw_size += h->size;
+
+ return true;
+}
+
+\f
+/* Increment the index of a dynamic symbol by a given amount. Called
+ via elf_link_hash_traverse. */
+
+static boolean
+ppc_elf_adjust_dynindx (h, cparg)
+ struct elf_link_hash_entry *h;
+ PTR cparg;
+{
+ int *cp = (int *) cparg;
+
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_adjust_dynindx called, h->dynindx = %d, *cp = %d\n", h->dynindx, *cp);
+#endif
+
+ if (h->dynindx != -1)
+ h->dynindx += *cp;
+
+ return true;
+}
+
+\f
+/* Set the sizes of the dynamic sections. */
+
+static boolean
+ppc_elf_size_dynamic_sections (output_bfd, info)
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+{
+ bfd *dynobj;
+ asection *s;
+ boolean plt;
+ boolean relocs;
+ boolean reltext;
+
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_size_dynamic_sections called\n");
+#endif
+
+ 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->shared)
+ {
+ s = bfd_get_section_by_name (dynobj, ".interp");
+ BFD_ASSERT (s != NULL);
+ s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
+ }
+ }
+ else
+ {
+ /* We may have created entries in the .rela.got, .rela.sdata, and
+ .rela.sdata2 sections. However, if we are not creating the
+ dynamic sections, we will not actually use these entries. Reset
+ the size of .rela.got, et al, which will cause it to get
+ stripped from the output file below. */
+ static char *rela_sections[] = { ".rela.got", ".rela.sdata", ".rela.sdata", (char *)0 };
+ char **p;
+
+ for (p = rela_sections; *p != (char *)0; p++)
+ {
+ s = bfd_get_section_by_name (dynobj, *p);
+ if (s != NULL)
+ s->_raw_size = 0;
+ }
+ }
+
+ /* 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;
+ boolean strip;
+
+ 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);
+
+ strip = false;
+
+ if (strcmp (name, ".plt") == 0)
+ {
+ if (s->_raw_size == 0)
+ {
+ /* Strip this section if we don't need it; see the
+ comment below. */
+ strip = true;
+ }
+ else
+ {
+ /* Remember whether there is a PLT. */
+ plt = true;
+ }
+ }
+ else if (strncmp (name, ".rela", 5) == 0)
+ {
+ if (s->_raw_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. */
+ strip = true;
+ }
+ else
+ {
+ asection *target;
+ const char *outname;
+
+ /* Remember whether there are any relocation sections. */
+ relocs = true;
+
+ /* If this relocation section applies to a read only
+ section, then we probably need a DT_TEXTREL entry. */
+ 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)
+ 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 (strcmp (name, ".got") != 0
+ && strcmp (name, ".sdata") != 0
+ && strcmp (name, ".sdata2") != 0)
+ {
+ /* It's not one of our sections, so don't allocate space. */
+ continue;
+ }
+
+ if (strip)
+ {
+ asection **spp;
+
+ for (spp = &s->output_section->owner->sections;
+ *spp != s->output_section;
+ spp = &(*spp)->next)
+ ;
+ *spp = s->output_section->next;
+ --s->output_section->owner->section_count;
+
+ continue;
+ }
+
+ /* Allocate memory for the section contents. */
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
+ if (s->contents == NULL && s->_raw_size != 0)
+ return false;
+ }
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ /* Add some entries to the .dynamic section. We fill in the
+ values later, in ppc_elf_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->shared)
+ {
+ if (! bfd_elf32_add_dynamic_entry (info, DT_DEBUG, 0))
+ return false;
+ }
+
+ if (plt)
+ {
+ if (! bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0)
+ || ! bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0)
+ || ! bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
+ || ! bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0))
+ return false;
+ }
+
+ if (relocs)
+ {
+ if (! bfd_elf32_add_dynamic_entry (info, DT_RELA, 0)
+ || ! bfd_elf32_add_dynamic_entry (info, DT_RELASZ, 0)
+ || ! bfd_elf32_add_dynamic_entry (info, DT_RELAENT,
+ sizeof (Elf32_External_Rela)))
+ return false;
+ }
+
+ if (reltext)
+ {
+ if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0))
+ return false;
+ }
+ }
+
+ /* If we are generating a shared library, we generate a section
+ symbol for each output section. These are local symbols, which
+ means that they must come first in the dynamic symbol table.
+ That means we must increment the dynamic symbol index of every
+ other dynamic symbol.
+
+ FIXME: We assume that there will never be relocations to
+ locations in linker-created sections that do not have
+ externally-visible names. Instead, we should work out precisely
+ which sections relocations are targetted at. */
+ if (info->shared)
+ {
+ int c, i;
+
+ for (c = 0, s = output_bfd->sections; s != NULL; s = s->next)
+ {
+ if ((s->flags & SEC_LINKER_CREATED) != 0)
+ continue;
+ c++;
+ }
+
+ elf_link_hash_traverse (elf_hash_table (info),
+ ppc_elf_adjust_dynindx,
+ (PTR) &c);
+ elf_hash_table (info)->dynsymcount += c;
+
+ for (i = 1, s = output_bfd->sections; s != NULL; s = s->next)
+ {
+ if ((s->flags & SEC_LINKER_CREATED) != 0)
+ elf_section_data (s)->dynindx = -1;
+ else
+ {
+ elf_section_data (s)->dynindx = i;
+ /* These symbols will have no names, so we don't need to
+ fiddle with dynstr_index. */
+ i++;
+ }
+ }
+
+ BFD_ASSERT(i == c + 1);
+ }
+
+ return true;
+}
+
+\f
+/* Look through the relocs for a section during the first phase, and
+ allocate space in the global offset table or procedure linkage
+ table. */
+
+static boolean
+ppc_elf_check_relocs (abfd, info, sec, relocs)
+ bfd *abfd;
+ struct bfd_link_info *info;
+ asection *sec;
+ const Elf_Internal_Rela *relocs;
+{
+ boolean ret = true;
+ bfd *dynobj;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ const Elf_Internal_Rela *rel;
+ const Elf_Internal_Rela *rel_end;
+ bfd_vma *local_got_offsets;
+ elf_linker_section_t *sdata;
+ elf_linker_section_t *sdata2;
+ asection *sreloc;
+ asection *sgot;
+ asection *srelgot = NULL;
+
+ if (info->relocateable)
+ return true;
+
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_check_relocs called for section %s in %s\n",
+ bfd_get_section_name (abfd, sec),
+ bfd_get_filename (abfd));
+#endif
+
+ /* Create the linker generated sections all the time so that the
+ special symbols are created. */
+
+ if ((sdata = elf_linker_section (abfd, LINKER_SECTION_SDATA)) == NULL)
+ {
+ sdata = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA);
+ if (!sdata)
+ ret = false;
+ }
+
+
+ if ((sdata2 = elf_linker_section (abfd, LINKER_SECTION_SDATA2)) == NULL)
+ {
+ sdata2 = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA2);
+ if (!sdata2)
+ ret = false;
+ }
+
+ dynobj = elf_hash_table (info)->dynobj;
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+ local_got_offsets = elf_local_got_offsets (abfd);
+
+ /* FIXME: We should only create the .got section if we need it.
+ Otherwise we waste space in a statically linked executable. */
+
+ if (! _bfd_elf_create_got_section (dynobj, info))
+ return false;
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ BFD_ASSERT (sgot != NULL);
+
+ sreloc = NULL;
+
+ rel_end = relocs + sec->reloc_count;
+ for (rel = relocs; rel < rel_end; rel++)
+ {
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx < symtab_hdr->sh_info)
+ h = NULL;
+ else
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ /* GOT16 relocations */
+ case R_PPC_GOT16:
+ case R_PPC_GOT16_LO:
+ case R_PPC_GOT16_HI:
+ case R_PPC_GOT16_HA:
+ if (srelgot == NULL
+ && (h != NULL || info->shared))
+ {
+ srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ if (srelgot == NULL)
+ {
+ srelgot = bfd_make_section (dynobj, ".rela.got");
+ if (srelgot == NULL
+ || ! bfd_set_section_flags (dynobj, srelgot,
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY))
+ || ! bfd_set_section_alignment (dynobj, srelgot, 2))
+ return false;
+ }
+ }
+
+ if (h != NULL)
+ {
+ if (h->got_offset != (bfd_vma) -1)
+ {
+ /* We have already allocated space in the .got. */
+ break;
+ }
+ h->got_offset = sgot->_raw_size;
+
+ /* Make sure this symbol is output as a dynamic symbol. */
+ if (h->dynindx == -1)
+ {
+ if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ return false;
+ }
+
+ srelgot->_raw_size += sizeof (Elf32_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);
+ 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;
+ }
+ if (local_got_offsets[r_symndx] != (bfd_vma) -1)
+ {
+ /* We have already allocated space in the .got. */
+ break;
+ }
+ local_got_offsets[r_symndx] = sgot->_raw_size;
+
+ if (info->shared)
+ {
+ /* If we are generating a shared object, we need to
+ output a R_PPC_RELATIVE reloc so that the
+ dynamic linker can adjust this GOT entry. */
+ srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ }
+ }
+
+ sgot->_raw_size += 4;
+
+ break;
+
+ /* Indirect .sdata relocation */
+ case R_PPC_EMB_SDAI16:
+ if (info->shared)
+ {
+ (*_bfd_error_handler) ("%s: relocation %s cannot be used when making a shared object",
+ bfd_get_filename (abfd),
+ "R_PPC_EMB_SDAI16");
+ ret = false;
+ break;
+ }
+
+ if (srelgot == NULL
+ && (h != NULL || info->shared))
+ {
+ srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ if (srelgot == NULL)
+ {
+ srelgot = bfd_make_section (dynobj, ".rela.got");
+ if (srelgot == NULL
+ || ! bfd_set_section_flags (dynobj, srelgot,
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY))
+ || ! bfd_set_section_alignment (dynobj, srelgot, 2))
+ return false;
+ }
+ }
+
+ if (!bfd_elf32_create_pointer_linker_section (abfd, info, sdata, h, rel))
+ ret = false;
+
+ break;
+
+ /* Indirect .sdata2 relocation */
+ case R_PPC_EMB_SDA2I16:
+ if (info->shared)
+ {
+ (*_bfd_error_handler) ("%s: relocation %s cannot be used when making a shared object",
+ bfd_get_filename (abfd),
+ "R_PPC_EMB_SDA2I16");
+ ret = false;
+ break;
+ }
+
+ if (srelgot == NULL
+ && (h != NULL || info->shared))
+ {
+ srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ if (srelgot == NULL)
+ {
+ srelgot = bfd_make_section (dynobj, ".rela.got");
+ if (srelgot == NULL
+ || ! bfd_set_section_flags (dynobj, srelgot,
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY))
+ || ! bfd_set_section_alignment (dynobj, srelgot, 2))
+ return false;
+ }
+ }
+
+ if (!bfd_elf32_create_pointer_linker_section (abfd, info, sdata2, h, rel))
+ return false;
+
+ break;
+
+ case R_PPC_SDAREL16:
+ case R_PPC_EMB_SDA2REL:
+ case R_PPC_EMB_SDA21:
+ if (info->shared)
+ {
+ (*_bfd_error_handler) ("%s: relocation %s cannot be used when making a shared object",
+ bfd_get_filename (abfd),
+ ppc_elf_howto_table[(int)ELF32_R_TYPE (rel->r_info)]->name);
+ ret = false;
+ }
+ break;
+
+ case R_PPC_PLT32:
+ case R_PPC_PLTREL24:
+ case R_PPC_PLT16_LO:
+ case R_PPC_PLT16_HI:
+ case R_PPC_PLT16_HA:
+#ifdef DEBUG
+ fprintf (stderr, "Reloc requires a PLT entry\n");
+#endif
+ /* 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 without
+ linking in any dynamic objects, in which case we don't
+ need to generate a procedure linkage table after all. */
+
+ if (h == NULL)
+ {
+ /* It does not make sense to have a procedure linkage
+ table entry for a local symbol. */
+ bfd_set_error (bfd_error_bad_value);
+ ret = false;
+ break;
+ }
+
+ /* Make sure this symbol is output as a dynamic symbol. */
+ if (h->dynindx == -1)
+ {
+ if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ {
+ ret = false;
+ break;
+ }
+ }
+
+ h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ break;
+
+ /* The following relocations don't need to propagate the
+ relocation if linking a shared object since they are
+ section relative. */
+ case R_PPC_SECTOFF:
+ case R_PPC_SECTOFF_LO:
+ case R_PPC_SECTOFF_HI:
+ case R_PPC_SECTOFF_HA:
+ break;
+
+ /* This refers only to functions defined in the shared library */
+ case R_PPC_LOCAL24PC:
+ break;
+
+ /* When creating a shared object, we must copy these
+ relocs into the output file. We create a reloc
+ section in dynobj and make room for the reloc. */
+ case R_PPC_REL24:
+ if (h != NULL
+ && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ break;
+ /* fall through */
+
+ case R_PPC_REL14:
+ case R_PPC_REL14_BRTAKEN:
+ case R_PPC_REL14_BRNTAKEN:
+ if (h == NULL)
+ break;
+ /* fall through */
+
+ default:
+ if (info->shared)
+ {
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_check_relocs need to create relocation for %s\n",
+ (h && h->root.root.string) ? h->root.root.string : "<unknown>");
+#endif
+ if (sreloc == NULL)
+ {
+ const char *name;
+
+ name = (bfd_elf_string_from_elf_section
+ (abfd,
+ elf_elfheader (abfd)->e_shstrndx,
+ elf_section_data (sec)->rel_hdr.sh_name));
+ if (name == NULL)
+ {
+ ret = false;
+ break;
+ }
+
+ BFD_ASSERT (strncmp (name, ".rela", 5) == 0
+ && strcmp (bfd_get_section_name (abfd, sec),
+ name + 5) == 0);
+
+ sreloc = bfd_get_section_by_name (dynobj, name);
+ if (sreloc == NULL)
+ {
+ sreloc = bfd_make_section (dynobj, name);
+ if (sreloc == NULL
+ || ! bfd_set_section_flags (dynobj, sreloc,
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY))
+ || ! bfd_set_section_alignment (dynobj, sreloc, 2))
+ {
+ ret = false;
+ break;
+ }
+ }
+ }
+
+ sreloc->_raw_size += sizeof (Elf32_External_Rela);
+ }
+
+ break;
+ }
+ }
+
+ return ret;
+}
+
+\f
+/* Hook called by the linker routine which adds symbols from an object
+ file. We use it to put .comm items in .sbss, and not .bss. */
+
+/*ARGSUSED*/
+static boolean
+ppc_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
+ bfd *abfd;
+ struct bfd_link_info *info;
+ const Elf_Internal_Sym *sym;
+ const char **namep;
+ flagword *flagsp;
+ asection **secp;
+ bfd_vma *valp;
+{
+ if (sym->st_shndx == SHN_COMMON && !info->relocateable && sym->st_size <= bfd_get_gp_size (abfd))
+ {
+ /* Common symbols less than or equal to -G nn bytes are automatically
+ put into .sdata. */
+ elf_linker_section_t *sdata = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA);
+ if (!sdata->bss_section)
+ {
+ /* We don't go through bfd_make_section, because we don't
+ want to attach this common section to DYNOBJ. The linker
+ will move the symbols to the appropriate output section
+ when it defines common symbols. */
+ sdata->bss_section = ((asection *)
+ bfd_zalloc (abfd, sizeof (asection)));
+ if (sdata->bss_section == NULL)
+ return false;
+ sdata->bss_section->name = sdata->bss_name;
+ sdata->bss_section->flags = SEC_IS_COMMON;
+ sdata->bss_section->output_section = sdata->bss_section;
+ sdata->bss_section->symbol =
+ (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
+ sdata->bss_section->symbol_ptr_ptr =
+ (asymbol **) bfd_zalloc (abfd, sizeof (asymbol *));
+ if (sdata->bss_section->symbol == NULL
+ || sdata->bss_section->symbol_ptr_ptr == NULL)
+ return false;
+ sdata->bss_section->symbol->name = sdata->bss_name;
+ sdata->bss_section->symbol->flags = BSF_SECTION_SYM;
+ sdata->bss_section->symbol->section = sdata->bss_section;
+ *sdata->bss_section->symbol_ptr_ptr = sdata->bss_section->symbol;
+ }
+
+ *secp = sdata->bss_section;
+ *valp = sym->st_size;
+ }
+
+ return true;
+}
+
+\f
+/* Finish up dynamic symbol handling. We set the contents of various
+ dynamic sections here. */
+
+static boolean
+ppc_elf_finish_dynamic_symbol (output_bfd, info, h, sym)
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+{
+ bfd *dynobj;
+
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_finish_dynamic_symbol called for %s", h->root.root.string);
+#endif
+
+ dynobj = elf_hash_table (info)->dynobj;
+ BFD_ASSERT (dynobj != NULL);
+
+ if (h->plt_offset != (bfd_vma) -1)
+ {
+ asection *splt;
+ asection *srela;
+ Elf_Internal_Rela rela;
+
+#ifdef DEBUG
+ fprintf (stderr, ", plt_offset = %d", h->plt_offset);
+#endif
+
+ /* This symbol has an entry in the procedure linkage table. Set
+ it up. */
+
+ BFD_ASSERT (h->dynindx != -1);
+
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ srela = bfd_get_section_by_name (dynobj, ".rela.plt");
+ BFD_ASSERT (splt != NULL && srela != NULL);
+
+ /* We don't need to fill in the .plt. The ppc dynamic linker
+ will fill it in. */
+
+ /* Fill in the entry in the .rela.plt section. */
+ rela.r_offset = (splt->output_section->vma
+ + splt->output_offset
+ + h->plt_offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_JMP_SLOT);
+ rela.r_addend = 0;
+ bfd_elf32_swap_reloca_out (output_bfd, &rela,
+ ((Elf32_External_Rela *) srela->contents
+ + ((h->plt_offset - PLT_INITIAL_ENTRY_SIZE) / 8)));
+
+ if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ {
+ /* 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 *srela;
+ Elf_Internal_Rela rela;
+
+ /* This symbol has an entry in the global offset table. Set it
+ up. */
+
+ BFD_ASSERT (h->dynindx != -1);
+
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ srela = bfd_get_section_by_name (dynobj, ".rela.got");
+ BFD_ASSERT (sgot != NULL && srela != NULL);
+
+ rela.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. The entry in
+ the global offset table will already have been initialized in
+ the relocate_section function. */
+ if (info->shared
+ && info->symbolic
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+ rela.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
+ else
+ {
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got_offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_GLOB_DAT);
+ }
+
+ rela.r_addend = 0;
+ bfd_elf32_swap_reloca_out (output_bfd, &rela,
+ ((Elf32_External_Rela *) srela->contents
+ + srela->reloc_count));
+ ++srela->reloc_count;
+ }
+
+ if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
+ {
+ asection *s;
+ Elf_Internal_Rela rela;
+
+ /* This symbols needs a copy reloc. Set it up. */
+
+#ifdef DEBUG
+ fprintf (stderr, ", copy");
+#endif
+
+ BFD_ASSERT (h->dynindx != -1);
+
+ s = bfd_get_section_by_name (h->root.u.def.section->owner,
+ ".rela.bss");
+ BFD_ASSERT (s != NULL);
+
+ rela.r_offset = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_COPY);
+ rela.r_addend = 0;
+ bfd_elf32_swap_reloca_out (output_bfd, &rela,
+ ((Elf32_External_Rela *) s->contents
+ + s->reloc_count));
+ ++s->reloc_count;
+ }
+
+#ifdef DEBUG
+ fprintf (stderr, "\n");
+#endif
+
+ /* Mark some specially defined symbols as absolute. */
+ if (strcmp (h->root.root.string, "_DYNAMIC") == 0
+ || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
+ || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
+ sym->st_shndx = SHN_ABS;
+
+ return true;
}
+\f
+/* Finish up the dynamic sections. */
+
+static boolean
+ppc_elf_finish_dynamic_sections (output_bfd, info)
+ bfd *output_bfd;
+ struct bfd_link_info *info;
+{
+ asection *sdyn;
+ bfd *dynobj = elf_hash_table (info)->dynobj;
+ asection *sgot = bfd_get_section_by_name (dynobj, ".got");
+
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_finish_dynamic_sections called\n");
+#endif
+
+ sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ asection *splt;
+ Elf32_External_Dyn *dyncon, *dynconend;
+
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (splt != NULL && sdyn != NULL);
+
+ dyncon = (Elf32_External_Dyn *) sdyn->contents;
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ for (; dyncon < dynconend; dyncon++)
+ {
+ Elf_Internal_Dyn dyn;
+ const char *name;
+ boolean size;
+
+ bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
+
+ switch (dyn.d_tag)
+ {
+ case DT_PLTGOT: name = ".plt"; size = false; break;
+ case DT_PLTRELSZ: name = ".rela.plt"; size = true; break;
+ case DT_JMPREL: name = ".rela.plt"; size = false; break;
+ default: name = NULL; size = false; break;
+ }
+
+ if (name != NULL)
+ {
+ asection *s;
+
+ s = bfd_get_section_by_name (output_bfd, name);
+ if (s == NULL)
+ dyn.d_un.d_val = 0;
+ else
+ {
+ if (! size)
+ dyn.d_un.d_ptr = s->vma;
+ else
+ {
+ if (s->_cooked_size != 0)
+ dyn.d_un.d_val = s->_cooked_size;
+ else
+ dyn.d_un.d_val = s->_raw_size;
+ }
+ }
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ }
+ }
+ }
+
+ /* Add a blrl instruction at _GLOBAL_OFFSET_TABLE_-4 so that a function can
+ easily find the address of the _GLOBAL_OFFSET_TABLE_. */
+ if (sgot)
+ {
+ unsigned char *contents = sgot->contents;
+ bfd_put_32 (output_bfd, 0x4e800021 /* blrl */, contents);
+
+ if (sdyn == NULL)
+ bfd_put_32 (output_bfd, (bfd_vma) 0, contents+4);
+ else
+ bfd_put_32 (output_bfd,
+ sdyn->output_section->vma + sdyn->output_offset,
+ contents+4);
+
+ elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
+ }
+
+ if (info->shared)
+ {
+ asection *sdynsym;
+ asection *s;
+ Elf_Internal_Sym sym;
+ int maxdindx = 0;
+
+ /* Set up the section symbols for the output sections. */
+
+ sdynsym = bfd_get_section_by_name (dynobj, ".dynsym");
+ BFD_ASSERT (sdynsym != NULL);
+
+ sym.st_size = 0;
+ sym.st_name = 0;
+ sym.st_info = ELF_ST_INFO (STB_LOCAL, STT_SECTION);
+ sym.st_other = 0;
+
+ for (s = output_bfd->sections; s != NULL; s = s->next)
+ {
+ int indx, dindx;
+
+ sym.st_value = s->vma;
+
+ indx = elf_section_data (s)->this_idx;
+ dindx = elf_section_data (s)->dynindx;
+ if (dindx != -1)
+ {
+ BFD_ASSERT(indx > 0);
+ BFD_ASSERT(dindx > 0);
+
+ if (dindx > maxdindx)
+ maxdindx = dindx;
+
+ sym.st_shndx = indx;
+
+ bfd_elf32_swap_symbol_out (output_bfd, &sym,
+ (PTR) (((Elf32_External_Sym *)
+ sdynsym->contents)
+ + dindx));
+ }
+ }
+
+ /* Set the sh_info field of the output .dynsym section to the
+ index of the first global symbol. */
+ elf_section_data (sdynsym->output_section)->this_hdr.sh_info =
+ maxdindx + 1;
+ }
+
+ return true;
+}
+
+\f
+/* The RELOCATE_SECTION function is called by the ELF backend linker
+ to handle the relocations for a section.
+
+ The relocs are always passed as Rela structures; if the section
+ actually uses Rel structures, the r_addend field will always be
+ zero.
+
+ This function is responsible for adjust the section contents as
+ necessary, and (if using Rela relocs and generating a
+ relocateable output file) adjusting the reloc addend as
+ necessary.
+
+ This function does not have to worry about setting the reloc
+ address or the reloc symbol index.
+
+ LOCAL_SYMS is a pointer to the swapped in local symbols.
+
+ LOCAL_SECTIONS is an array giving the section in the input file
+ corresponding to the st_shndx field of each local symbol.
+
+ The global hash table entry for the global symbols can be found
+ via elf_sym_hashes (input_bfd).
+
+ When generating relocateable output, this function must handle
+ STB_LOCAL/STT_SECTION symbols specially. The output symbol is
+ going to be the section symbol corresponding to the output
+ section, which means that the addend must be adjusted
+ accordingly. */
+
+static boolean
+ppc_elf_relocate_section (output_bfd, info, input_bfd, input_section,
+ contents, relocs, local_syms, local_sections)
+ bfd *output_bfd;
+ 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 = &elf_tdata (input_bfd)->symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
+ bfd *dynobj = elf_hash_table (info)->dynobj;
+ elf_linker_section_t *sdata = (dynobj) ? elf_linker_section (dynobj, LINKER_SECTION_SDATA) : NULL;
+ elf_linker_section_t *sdata2 = (dynobj) ? elf_linker_section (dynobj, LINKER_SECTION_SDATA2) : NULL;
+ Elf_Internal_Rela *rel = relocs;
+ Elf_Internal_Rela *relend = relocs + input_section->reloc_count;
+ asection *sreloc = NULL;
+ asection *splt = NULL;
+ asection *sgot = NULL;
+ bfd_vma *local_got_offsets;
+ boolean ret = true;
+ long insn;
+
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_relocate_section called for %s section %s, %ld relocations%s\n",
+ bfd_get_filename (input_bfd),
+ bfd_section_name(input_bfd, input_section),
+ (long)input_section->reloc_count,
+ (info->relocateable) ? " (relocatable)" : "");
+#endif
+
+ if (!ppc_elf_howto_table[ R_PPC_ADDR32 ]) /* Initialize howto table if needed */
+ ppc_elf_howto_init ();
+
+ local_got_offsets = elf_local_got_offsets (input_bfd);
+
+ for (; rel < relend; rel++)
+ {
+ enum ppc_reloc_type r_type = (enum ppc_reloc_type)ELF32_R_TYPE (rel->r_info);
+ bfd_vma offset = rel->r_offset;
+ bfd_vma addend = rel->r_addend;
+ bfd_reloc_status_type r = bfd_reloc_other;
+ Elf_Internal_Sym *sym = (Elf_Internal_Sym *)0;
+ asection *sec = (asection *)0;
+ struct elf_link_hash_entry *h = (struct elf_link_hash_entry *)0;
+ const char *sym_name = (const char *)0;
+ reloc_howto_type *howto;
+ unsigned long r_symndx;
+ bfd_vma relocation;
+
+ /* Unknown relocation handling */
+ if ((unsigned)r_type >= (unsigned)R_PPC_max || !ppc_elf_howto_table[(int)r_type])
+ {
+ (*_bfd_error_handler) ("%s: unknown relocation type %d",
+ bfd_get_filename (input_bfd),
+ (int)r_type);
+
+ bfd_set_error (bfd_error_bad_value);
+ ret = false;
+ continue;
+ }
+
+ howto = ppc_elf_howto_table[(int)r_type];
+ r_symndx = ELF32_R_SYM (rel->r_info);
+
+ if (info->relocateable)
+ {
+ /* This is a relocateable 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 (r_symndx < symtab_hdr->sh_info)
+ {
+ sym = local_syms + r_symndx;
+ if ((unsigned)ELF_ST_TYPE (sym->st_info) == STT_SECTION)
+ {
+ sec = local_sections[r_symndx];
+ addend = rel->r_addend += sec->output_offset + sym->st_value;
+ }
+ }
+
+#ifdef DEBUG
+ fprintf (stderr, "\ttype = %s (%d), symbol index = %ld, offset = %ld, addend = %ld\n",
+ howto->name,
+ (int)r_type,
+ r_symndx,
+ (long)offset,
+ (long)addend);
+#endif
+ continue;
+ }
+
+ /* This is a final link. */
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ sym = local_syms + r_symndx;
+ sec = local_sections[r_symndx];
+ sym_name = "<local symbol>";
+
+ relocation = (sec->output_section->vma
+ + sec->output_offset
+ + sym->st_value);
+ }
+ 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;
+ sym_name = h->root.root.string;
+ if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ {
+ sec = h->root.u.def.section;
+ if ((r_type == R_PPC_PLT32
+ && h->plt_offset != (bfd_vma) -1)
+ || ((r_type == R_PPC_GOT16
+ || r_type == R_PPC_GOT16_LO
+ || r_type == R_PPC_GOT16_HI
+ || r_type == R_PPC_GOT16_HA)
+ && elf_hash_table (info)->dynamic_sections_created
+ && (! info->shared
+ || ! info->symbolic
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0))
+ || (info->shared
+ && (! info->symbolic
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && (input_section->flags & SEC_ALLOC) != 0
+ && (r_type == R_PPC_ADDR32
+ || r_type == R_PPC_ADDR24
+ || r_type == R_PPC_ADDR16
+ || r_type == R_PPC_ADDR16_LO
+ || r_type == R_PPC_ADDR16_HI
+ || r_type == R_PPC_ADDR16_HA
+ || r_type == R_PPC_ADDR14
+ || r_type == R_PPC_ADDR14_BRTAKEN
+ || r_type == R_PPC_ADDR14_BRNTAKEN
+ || r_type == R_PPC_PLTREL24
+ || r_type == R_PPC_COPY
+ || r_type == R_PPC_GLOB_DAT
+ || r_type == R_PPC_JMP_SLOT
+ || r_type == R_PPC_UADDR32
+ || r_type == R_PPC_UADDR16
+ || r_type == R_PPC_REL32
+ || r_type == R_PPC_SDAREL16
+ || r_type == R_PPC_EMB_NADDR32
+ || r_type == R_PPC_EMB_NADDR16
+ || r_type == R_PPC_EMB_NADDR16_LO
+ || r_type == R_PPC_EMB_NADDR16_HI
+ || r_type == R_PPC_EMB_NADDR16_HA
+ || r_type == R_PPC_EMB_SDAI16
+ || r_type == R_PPC_EMB_SDA2I16
+ || r_type == R_PPC_EMB_SDA2REL
+ || r_type == R_PPC_EMB_SDA21
+ || r_type == R_PPC_EMB_MRKREF
+ || r_type == R_PPC_EMB_BIT_FLD
+ || r_type == R_PPC_EMB_RELSDA
+ || ((r_type == R_PPC_REL24
+ || r_type == R_PPC_REL14
+ || r_type == R_PPC_REL14_BRTAKEN
+ || r_type == R_PPC_REL14_BRNTAKEN
+ || r_type == R_PPC_RELATIVE)
+ && strcmp (h->root.root.string,
+ "_GLOBAL_OFFSET_TABLE_") != 0))))
+ {
+ /* In these cases, we don't need the relocation
+ value. We check specially because in some
+ obscure cases sec->output_section will be NULL. */
+ relocation = 0;
+ }
+ else
+ relocation = (h->root.u.def.value
+ + sec->output_section->vma
+ + sec->output_offset);
+ }
+ else if (h->root.type == bfd_link_hash_undefweak)
+ relocation = 0;
+ else if (info->shared)
+ relocation = 0;
+ else
+ {
+ (*info->callbacks->undefined_symbol)(info,
+ h->root.root.string,
+ input_bfd,
+ input_section,
+ rel->r_offset);
+ ret = false;
+ continue;
+ }
+ }
+
+ switch ((int)r_type)
+ {
+ default:
+ (*_bfd_error_handler) ("%s: unknown relocation type %d for symbol %s",
+ bfd_get_filename (input_bfd),
+ (int)r_type, sym_name);
+
+ bfd_set_error (bfd_error_bad_value);
+ ret = false;
+ continue;
+
+ /* relocations that need no special processing */
+ case (int)R_PPC_LOCAL24PC:
+ break;
+
+ case (int)R_PPC_REL24:
+ case (int)R_PPC_REL14:
+ if (h == NULL
+ || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ break;
+ /* fall through */
+
+ /* Relocations that need to be propagated if this is a shared
+ object. */
+ case (int)R_PPC_NONE:
+ case (int)R_PPC_ADDR32:
+ case (int)R_PPC_ADDR24:
+ case (int)R_PPC_ADDR16:
+ case (int)R_PPC_ADDR16_LO:
+ case (int)R_PPC_ADDR16_HI:
+ case (int)R_PPC_ADDR16_HA:
+ case (int)R_PPC_ADDR14:
+ case (int)R_PPC_UADDR32:
+ case (int)R_PPC_UADDR16:
+ case (int)R_PPC_REL32:
+ if (info->shared)
+ {
+ Elf_Internal_Rela outrel;
+ boolean skip;
+
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_relocate_section need to create relocation for %s\n",
+ (h && h->root.root.string) ? h->root.root.string : "<unknown>");
+#endif
+
+ /* When generating a shared object, these relocations
+ are copied into the output file to be resolved at run
+ time. */
+
+ if (sreloc == NULL)
+ {
+ const char *name;
+
+ name = (bfd_elf_string_from_elf_section
+ (input_bfd,
+ elf_elfheader (input_bfd)->e_shstrndx,
+ elf_section_data (input_section)->rel_hdr.sh_name));
+ if (name == NULL)
+ return false;
+
+ BFD_ASSERT (strncmp (name, ".rela", 5) == 0
+ && strcmp (bfd_get_section_name (input_bfd,
+ input_section),
+ name + 5) == 0);
+
+ sreloc = bfd_get_section_by_name (dynobj, name);
+ BFD_ASSERT (sreloc != NULL);
+ }
+
+ skip = false;
+
+ if (elf_section_data (input_section)->stab_info == NULL)
+ outrel.r_offset = rel->r_offset;
+ else
+ {
+ bfd_vma off;
+
+ off = (_bfd_stab_section_offset
+ (output_bfd, &elf_hash_table (info)->stab_info,
+ input_section,
+ &elf_section_data (input_section)->stab_info,
+ rel->r_offset));
+ if (off == (bfd_vma) -1)
+ skip = true;
+ outrel.r_offset = off;
+ }
+
+ outrel.r_offset += (input_section->output_section->vma
+ + input_section->output_offset);
+
+ if (skip)
+ memset (&outrel, 0, sizeof outrel);
+ /* h->dynindx may be -1 if this symbol was marked to
+ become local. */
+ else if (h != NULL
+ && ((! info->symbolic && h->dynindx != -1)
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0))
+ {
+ BFD_ASSERT (h->dynindx != -1);
+ outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
+ outrel.r_addend = rel->r_addend;
+ }
+ else
+ {
+ if (r_type == R_PPC_ADDR32)
+ {
+ outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+ else
+ {
+ long indx;
+
+ if (h == NULL)
+ sec = local_sections[r_symndx];
+ else
+ {
+ BFD_ASSERT (h->root.type == bfd_link_hash_defined
+ || (h->root.type
+ == bfd_link_hash_defweak));
+ sec = h->root.u.def.section;
+ }
+ if (sec != NULL && bfd_is_abs_section (sec))
+ indx = 0;
+ else if (sec == NULL || sec->owner == NULL)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
+ else
+ {
+ asection *osec;
+
+ osec = sec->output_section;
+ indx = elf_section_data (osec)->dynindx;
+ BFD_ASSERT(indx > 0);
+ }
+
+ outrel.r_info = ELF32_R_INFO (indx, r_type);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+ }
+
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel,
+ (((Elf32_External_Rela *)
+ sreloc->contents)
+ + sreloc->reloc_count));
+ ++sreloc->reloc_count;
+
+ /* This reloc will be computed at runtime, so there's no
+ need to do anything now, unless this is a RELATIVE
+ reloc in an unallocated section. */
+ if (skip
+ || (input_section->flags & SEC_ALLOC) != 0
+ || ELF32_R_TYPE (outrel.r_info) != R_PPC_RELATIVE)
+ continue;
+ }
+
+ /* Arithmetic adjust relocations that aren't going into a
+ shared object. */
+ if (r_type == R_PPC_ADDR16_HA
+ /* It's just possible that this symbol is a weak symbol
+ that's not actually defined anywhere. In that case,
+ 'sec' would be NULL, and we should leave the symbol
+ alone (it will be set to zero elsewhere in the link). */
+ && sec != NULL)
+ {
+ addend += ((relocation + addend) & 0x8000) << 1;
+ }
+ break;
+
+ /* branch taken prediction relocations */
+ case (int)R_PPC_ADDR14_BRTAKEN:
+ case (int)R_PPC_REL14_BRTAKEN:
+ insn = bfd_get_32 (output_bfd, contents + offset);
+ if ((relocation - offset) & 0x8000)
+ insn &= ~BRANCH_PREDICT_BIT;
+ else
+ insn |= BRANCH_PREDICT_BIT;
+ bfd_put_32 (output_bfd, insn, contents + offset);
+ break;
+
+ /* branch not taken predicition relocations */
+ case (int)R_PPC_ADDR14_BRNTAKEN:
+ case (int)R_PPC_REL14_BRNTAKEN:
+ insn = bfd_get_32 (output_bfd, contents + offset);
+ if ((relocation - offset) & 0x8000)
+ insn |= BRANCH_PREDICT_BIT;
+ else
+ insn &= ~BRANCH_PREDICT_BIT;
+ bfd_put_32 (output_bfd, insn, contents + offset);
+ break;
+
+ /* GOT16 relocations */
+ case (int)R_PPC_GOT16:
+ case (int)R_PPC_GOT16_LO:
+ case (int)R_PPC_GOT16_HI:
+ case (int)R_PPC_GOT16_HA:
+ /* Relocation is to the entry for this symbol in the global
+ offset table. */
+ if (sgot == NULL)
+ {
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ BFD_ASSERT (sgot != NULL);
+ }
+
+ if (h != NULL)
+ {
+ bfd_vma off;
+
+ off = h->got_offset;
+ BFD_ASSERT (off != (bfd_vma) -1);
+
+ if (! elf_hash_table (info)->dynamic_sections_created
+ || (info->shared
+ && info->symbolic
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
+ {
+ /* This is actually a static link, or it is a
+ -Bsymbolic link and the symbol is defined
+ locally. 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_32 (output_bfd, relocation + addend,
+ sgot->contents + off);
+ h->got_offset |= 1;
+ }
+ }
+
+ relocation = sgot->output_offset + off - 4;
+ addend = 0;
+ }
+ else
+ {
+ bfd_vma off;
+
+ 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 4. We use
+ the least significant bit to record whether we have
+ already processed this entry. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ bfd_put_32 (output_bfd, relocation, sgot->contents + off);
+
+ if (info->shared)
+ {
+ asection *srelgot;
+ Elf_Internal_Rela outrel;
+
+ /* We need to generate a R_PPC_RELATIVE reloc
+ for the dynamic linker. */
+ srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ BFD_ASSERT (srelgot != NULL);
+
+ outrel.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + off);
+ outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
+ outrel.r_addend = relocation + addend;
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel,
+ (((Elf32_External_Rela *)
+ srelgot->contents)
+ + srelgot->reloc_count));
+ ++srelgot->reloc_count;
+ }
+
+ local_got_offsets[r_symndx] |= 1;
+ }
+
+ relocation = sgot->output_offset + off - 4;
+ addend = 0;
+ }
+
+ break;
+
+ /* Indirect .sdata relocation */
+ case (int)R_PPC_EMB_SDAI16:
+ BFD_ASSERT (sdata != NULL);
+ relocation = bfd_elf32_finish_pointer_linker_section (output_bfd, input_bfd, info,
+ sdata, h, relocation, rel,
+ R_PPC_RELATIVE);
+ break;
+
+ /* Indirect .sdata2 relocation */
+ case (int)R_PPC_EMB_SDA2I16:
+ BFD_ASSERT (sdata2 != NULL);
+ relocation = bfd_elf32_finish_pointer_linker_section (output_bfd, input_bfd, info,
+ sdata2, h, relocation, rel,
+ R_PPC_RELATIVE);
+ break;
+
+ /* Handle the TOC16 reloc. We want to use the offset within the .got
+ section, not the actual VMA. This is appropriate when generating
+ an embedded ELF object, for which the .got section acts like the
+ AIX .toc section. */
+ case (int)R_PPC_TOC16: /* phony GOT16 relocations */
+ BFD_ASSERT (sec != (asection *)0);
+ BFD_ASSERT (bfd_is_und_section (sec)
+ || strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
+ || strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0)
+
+ addend -= sec->output_section->vma + sec->output_offset + 0x8000;
+ break;
+
+ case (int)R_PPC_PLTREL24:
+ /* Relocation is to the entry for this symbol in the
+ procedure linkage table. */
+ BFD_ASSERT (h != NULL);
+
+ 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. */
+ break;
+ }
+
+ if (splt == NULL)
+ {
+ splt = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (splt != NULL);
+ }
+
+ relocation = (splt->output_section->vma
+ + splt->output_offset
+ + h->plt_offset);
+ break;
+
+ /* relocate against _SDA_BASE_ */
+ case (int)R_PPC_SDAREL16:
+ BFD_ASSERT (sec != (asection *)0);
+ if (strcmp (bfd_get_section_name (abfd, sec), ".sdata") != 0
+ && strcmp (bfd_get_section_name (abfd, sec), ".sbss") != 0)
+ {
+ (*_bfd_error_handler) ("%s: The target (%s) of a %s relocation is in the wrong section (%s)",
+ bfd_get_filename (input_bfd),
+ sym_name,
+ ppc_elf_howto_table[ (int)r_type ]->name,
+ bfd_get_section_name (abfd, sec));
+
+ bfd_set_error (bfd_error_bad_value);
+ ret = false;
+ continue;
+ }
+ addend -= (sdata->sym_hash->root.u.def.value
+ + sdata->sym_hash->root.u.def.section->output_section->vma
+ + sdata->sym_hash->root.u.def.section->output_offset);
+ break;
+
+
+ /* relocate against _SDA2_BASE_ */
+ case (int)R_PPC_EMB_SDA2REL:
+ BFD_ASSERT (sec != (asection *)0);
+ if (strcmp (bfd_get_section_name (abfd, sec), ".sdata2") != 0
+ && strcmp (bfd_get_section_name (abfd, sec), ".sbss2") != 0)
+ {
+ (*_bfd_error_handler) ("%s: The target (%s) of a %s relocation is in the wrong section (%s)",
+ bfd_get_filename (input_bfd),
+ sym_name,
+ ppc_elf_howto_table[ (int)r_type ]->name,
+ bfd_get_section_name (abfd, sec));
+
+ bfd_set_error (bfd_error_bad_value);
+ ret = false;
+ continue;
+ }
+ addend -= (sdata2->sym_hash->root.u.def.value
+ + sdata2->sym_hash->root.u.def.section->output_section->vma
+ + sdata2->sym_hash->root.u.def.section->output_offset);
+ break;
+
+
+ /* relocate against either _SDA_BASE_, _SDA2_BASE_, or 0 */
+ case (int)R_PPC_EMB_SDA21:
+ case (int)R_PPC_EMB_RELSDA:
+ {
+ const char *name = bfd_get_section_name (abfd, sec);
+ int reg;
+
+ BFD_ASSERT (sec != (asection *)0);
+ if (strcmp (name, ".sdata") == 0 || strcmp (name, ".sbss") == 0)
+ {
+ reg = 13;
+ addend -= (sdata->sym_hash->root.u.def.value
+ + sdata->sym_hash->root.u.def.section->output_section->vma
+ + sdata->sym_hash->root.u.def.section->output_offset);
+ }
+
+ else if (strcmp (name, ".sdata2") == 0 || strcmp (name, ".sbss2") == 0)
+ {
+ reg = 2;
+ addend -= (sdata2->sym_hash->root.u.def.value
+ + sdata2->sym_hash->root.u.def.section->output_section->vma
+ + sdata2->sym_hash->root.u.def.section->output_offset);
+ }
+
+ else if (strcmp (name, ".PPC.EMB.sdata0") == 0 || strcmp (name, ".PPC.EMB.sbss0") == 0)
+ {
+ reg = 0;
+ }
+
+ else
+ {
+ (*_bfd_error_handler) ("%s: The target (%s) of a %s relocation is in the wrong section (%s)",
+ bfd_get_filename (input_bfd),
+ sym_name,
+ ppc_elf_howto_table[ (int)r_type ]->name,
+ bfd_get_section_name (abfd, sec));
+
+ bfd_set_error (bfd_error_bad_value);
+ ret = false;
+ continue;
+ }
+
+ if (r_type == R_PPC_EMB_SDA21)
+ { /* fill in register field */
+ insn = bfd_get_32 (output_bfd, contents + offset);
+ insn = (insn & ~RA_REGISTER_MASK) | (reg << RA_REGISTER_SHIFT);
+ bfd_put_32 (output_bfd, insn, contents + offset);
+ }
+ }
+ break;
+
+ /* Relocate against the beginning of the section */
+ case (int)R_PPC_SECTOFF:
+ case (int)R_PPC_SECTOFF_LO:
+ case (int)R_PPC_SECTOFF_HI:
+ BFD_ASSERT (sec != (asection *)0);
+ addend -= sec->output_section->vma;
+ break;
+
+ case (int)R_PPC_SECTOFF_HA:
+ BFD_ASSERT (sec != (asection *)0);
+ addend -= sec->output_section->vma;
+ addend += ((relocation + addend) & 0x8000) << 1;
+ break;
+
+ /* Negative relocations */
+ case (int)R_PPC_EMB_NADDR32:
+ case (int)R_PPC_EMB_NADDR16:
+ case (int)R_PPC_EMB_NADDR16_LO:
+ case (int)R_PPC_EMB_NADDR16_HI:
+ addend -= 2*relocation;
+ break;
+
+ case (int)R_PPC_EMB_NADDR16_HA:
+ addend -= 2*relocation;
+ addend += ((relocation + addend) & 0x8000) << 1;
+ break;
+
+ /* NOP relocation that prevents garbage collecting linkers from omitting a
+ reference. */
+ case (int)R_PPC_EMB_MRKREF:
+ continue;
+
+ case (int)R_PPC_COPY:
+ case (int)R_PPC_GLOB_DAT:
+ case (int)R_PPC_JMP_SLOT:
+ case (int)R_PPC_RELATIVE:
+ case (int)R_PPC_PLT32:
+ case (int)R_PPC_PLTREL32:
+ case (int)R_PPC_PLT16_LO:
+ case (int)R_PPC_PLT16_HI:
+ case (int)R_PPC_PLT16_HA:
+ case (int)R_PPC_EMB_RELSEC16:
+ case (int)R_PPC_EMB_RELST_LO:
+ case (int)R_PPC_EMB_RELST_HI:
+ case (int)R_PPC_EMB_RELST_HA:
+ case (int)R_PPC_EMB_BIT_FLD:
+ (*_bfd_error_handler) ("%s: Relocation %s is not yet supported for symbol %s.",
+ bfd_get_filename (input_bfd),
+ ppc_elf_howto_table[ (int)r_type ]->name,
+ sym_name);
+
+ bfd_set_error (bfd_error_invalid_operation);
+ ret = false;
+ continue;
+ }
+
+
+#ifdef DEBUG
+ fprintf (stderr, "\ttype = %s (%d), name = %s, symbol index = %ld, offset = %ld, addend = %ld\n",
+ howto->name,
+ (int)r_type,
+ sym_name,
+ r_symndx,
+ (long)offset,
+ (long)addend);
+#endif
+
+ r = _bfd_final_link_relocate (howto,
+ input_bfd,
+ input_section,
+ contents,
+ offset,
+ relocation,
+ addend);
+
+ if (r != bfd_reloc_ok)
+ {
+ ret = false;
+ switch (r)
+ {
+ default:
+ break;
+
+ case bfd_reloc_overflow:
+ {
+ const char *name;
+
+ if (h != NULL)
+ name = h->root.root.string;
+ else
+ {
+ name = bfd_elf_string_from_elf_section (input_bfd,
+ symtab_hdr->sh_link,
+ sym->st_name);
+ if (name == NULL)
+ break;
+
+ if (*name == '\0')
+ name = bfd_section_name (input_bfd, sec);
+ }
+
+ (*info->callbacks->reloc_overflow)(info,
+ name,
+ howto->name,
+ (bfd_vma) 0,
+ input_bfd,
+ input_section,
+ offset);
+ }
+ break;
+
+ }
+ }
+ }
+
+
+#ifdef DEBUG
+ fprintf (stderr, "\n");
+#endif
+
+ return ret;
+}
+
+\f
+#define TARGET_LITTLE_SYM bfd_elf32_powerpcle_vec
+#define TARGET_LITTLE_NAME "elf32-powerpcle"
#define TARGET_BIG_SYM bfd_elf32_powerpc_vec
#define TARGET_BIG_NAME "elf32-powerpc"
#define ELF_ARCH bfd_arch_powerpc
#define ELF_MACHINE_CODE EM_PPC
#define ELF_MAXPAGESIZE 0x10000
-#define elf_info_to_howto powerpc_info_to_howto
+#define elf_info_to_howto ppc_elf_info_to_howto
#ifdef EM_CYGNUS_POWERPC
#define ELF_MACHINE_ALT1 EM_CYGNUS_POWERPC
#define ELF_MACHINE_ALT2 EM_PPC_OLD
#endif
+#define elf_backend_plt_not_loaded 1
+#define elf_backend_got_symbol_offset 4
+
+#define bfd_elf32_bfd_copy_private_bfd_data ppc_elf_copy_private_bfd_data
+#define bfd_elf32_bfd_merge_private_bfd_data ppc_elf_merge_private_bfd_data
+#define bfd_elf32_bfd_set_private_flags ppc_elf_set_private_flags
+#define bfd_elf32_bfd_reloc_type_lookup ppc_elf_reloc_type_lookup
+#define elf_backend_section_from_shdr ppc_elf_section_from_shdr
+#define elf_backend_relocate_section ppc_elf_relocate_section
+#define elf_backend_create_dynamic_sections _bfd_elf_create_dynamic_sections
+#define elf_backend_check_relocs ppc_elf_check_relocs
+#define elf_backend_adjust_dynamic_symbol ppc_elf_adjust_dynamic_symbol
+#define elf_backend_add_symbol_hook ppc_elf_add_symbol_hook
+#define elf_backend_size_dynamic_sections ppc_elf_size_dynamic_sections
+#define elf_backend_finish_dynamic_symbol ppc_elf_finish_dynamic_symbol
+#define elf_backend_finish_dynamic_sections ppc_elf_finish_dynamic_sections
+#define elf_backend_fake_sections ppc_elf_fake_sections
+#define elf_backend_additional_program_headers ppc_elf_additional_program_headers
+#define elf_backend_modify_segment_map ppc_elf_modify_segment_map
+
#include "elf32-target.h"
projects / deliverable / binutils-gdb.git / blobdiff