/* PowerPC-specific support for 32-bit ELF
- Copyright 1994, 1995 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1996 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#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_std_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-
-static bfd_vma ppc_elf_addr16_ha_inner PARAMS ((bfd_vma));
-static bfd_reloc_status_type ppc_elf_addr16_ha_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_vma ppc_elf_got16_inner PARAMS ((asection *sec));
-static bfd_reloc_status_type ppc_elf_got16_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+#define USE_RELA /* we want RELA relocations, not REL */
+
+/* PowerPC relocations defined by the ABIs */
+enum ppc_reloc_type
+{
+ 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,
+ 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 *ppc_elf_reloc_type_lookup
PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
static void ppc_elf_info_to_howto
static boolean ppc_elf_copy_private_bfd_data PARAMS ((bfd *, bfd *));
static boolean ppc_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *));
+static boolean ppc_elf_section_from_shdr PARAMS ((bfd *,
+ Elf32_Internal_Shdr *,
+ char *));
+
+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 *,
Elf_Internal_Sym *local_syms,
asection **));
-#define USE_RELA
+static boolean ppc_elf_finish_dynamic_symbol PARAMS ((bfd *,
+ struct bfd_link_info *,
+ struct elf_link_hash_entry *,
+ Elf_Internal_Sym *));
-enum 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 */
+static boolean ppc_elf_finish_dynamic_sections PARAMS ((bfd *, struct bfd_link_info *));
- /* 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_max
-};
+#define BRANCH_PREDICT_BIT 0x200000
+
+/* The name of the dynamic interpreter. This is put in the .interp
+ section. */
+
+#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
\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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
+ bfd_elf_generic_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 */
- ppc_elf_std_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 */
- ppc_elf_std_reloc, /* special_function */
+ 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 */
- ppc_elf_std_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 */
+ 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 */
- ppc_elf_got16_reloc, /* special_function */
+ 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. 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 */
complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_unsupported_reloc, /* special_function */
+ bfd_elf_generic_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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
- ppc_elf_std_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 */
-
- /* A sign-extended 16 bit value relative to _SDA_BASE, for use with
- small data items. */
- HOWTO (R_PPC_SDAREL, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
+ 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
+ small data items. 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 */
- ppc_elf_got16_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. */
+ 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. FIXME: not supported. */
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 */
+ 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. */
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. */
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. FIXME: Not supported. */
+ 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 */
+ 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_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 */
};
\f
bfd *abfd;
bfd_reloc_code_real_type code;
{
+ 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)
{
- case BFD_RELOC_NONE: return ppc_elf_howto_table[ (int) R_PPC_NONE ];
- case BFD_RELOC_32: return ppc_elf_howto_table[ (int) R_PPC_ADDR32 ];
- case BFD_RELOC_32_PCREL: return ppc_elf_howto_table[ (int) R_PPC_REL32 ];
- case BFD_RELOC_CTOR: return ppc_elf_howto_table[ (int) R_PPC_ADDR32 ];
- case BFD_RELOC_PPC_B26: return ppc_elf_howto_table[ (int) R_PPC_REL24 ];
- case BFD_RELOC_PPC_BA26: return ppc_elf_howto_table[ (int) R_PPC_ADDR24 ];
- case BFD_RELOC_PPC_TOC16: return ppc_elf_howto_table[ (int) R_PPC_GOT16 ];
- case BFD_RELOC_LO16: return ppc_elf_howto_table[ (int) R_PPC_ADDR16_LO ];
- case BFD_RELOC_HI16: return ppc_elf_howto_table[ (int) R_PPC_ADDR16_HI ];
- case BFD_RELOC_HI16_S: return ppc_elf_howto_table[ (int) R_PPC_ADDR16_HA ];
- case BFD_RELOC_GPREL16: return ppc_elf_howto_table[ (int) R_PPC_SDAREL ];
+ 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 (reloc_howto_type *)NULL;
+ return ppc_elf_howto_table[ (int)ppc_reloc ];
};
/* Set the howto pointer for a PowerPC ELF reloc. */
bfd *abfd;
flagword flags;
{
- BFD_ASSERT (!elf_ppc_flags_init (abfd)
+ BFD_ASSERT (!elf_flags_init (abfd)
|| elf_elfheader (abfd)->e_flags == flags);
elf_elfheader (abfd)->e_flags = flags;
- elf_ppc_flags_init (abfd) = true;
+ elf_flags_init (abfd) = true;
return true;
}
if (bfd_get_flavour (obfd) != bfd_target_elf_flavour)
return true;
- BFD_ASSERT (!elf_ppc_flags_init (obfd)
+ 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_ppc_flags_init (obfd) = true;
+ elf_flags_init (obfd) = true;
return true;
}
{
flagword old_flags;
flagword new_flags;
+ boolean error;
/* Check if we have the same endianess */
- if (ibfd->xvec->byteorder_big_p != obfd->xvec->byteorder_big_p)
+ if (ibfd->xvec->byteorder != obfd->xvec->byteorder
+ && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
{
- fprintf (stderr,
- "%s: compiled for a %s endian system and target is %s endian.\n",
- bfd_get_filename (ibfd),
- (ibfd->xvec->byteorder_big_p) ? "big" : "little",
- (obfd->xvec->byteorder_big_p) ? "big" : "little");
+ (*_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;
new_flags = elf_elfheader (ibfd)->e_flags;
old_flags = elf_elfheader (obfd)->e_flags;
- if (!elf_ppc_flags_init (obfd)) /* First call, no flags set */
+ if (!elf_flags_init (obfd)) /* First call, no flags set */
{
- elf_ppc_flags_init (obfd) = true;
+ elf_flags_init (obfd) = true;
elf_elfheader (obfd)->e_flags = new_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)
{
- fprintf (stderr,
- "%s: compiled with -mrelocatable and linked with modules compiled normally\n",
- bfd_get_filename (ibfd));
+ 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)
{
- fprintf (stderr,
- "%s: compiled normally and linked with modules compiled with -mrelocatable\n",
- bfd_get_filename (ibfd));
+ error = true;
+ (*_bfd_error_handler)
+ ("%s: compiled normally and linked with modules compiled with -mrelocatable",
+ bfd_get_filename (ibfd));
}
else if ((new_flags & EF_PPC_RELOCATABLE_LIB) != 0)
elf_elfheader (obfd)->e_flags |= EF_PPC_RELOCATABLE_LIB;
if ((new_flags & EF_PPC_EMB) != 0 && (old_flags & EF_PPC_EMB) == 0)
{
new_flags &= ~EF_PPC_EMB;
- fprintf (stderr,
- "%s: compiled for the eabi and linked with modules compiled for System V\n",
- bfd_get_filename (ibfd));
+ error = true;
+ (*_bfd_error_handler)
+ ("%s: compiled for the eabi and linked with modules compiled for System V",
+ bfd_get_filename (ibfd));
}
else if ((new_flags & EF_PPC_EMB) == 0 && (old_flags & EF_PPC_EMB) != 0)
{
old_flags &= ~EF_PPC_EMB;
- fprintf (stderr,
- "%s: compiled for System V and linked with modules compiled for eabi\n",
- bfd_get_filename (ibfd));
+ error = true;
+ (*_bfd_error_handler)
+ ("%s: compiled for System V and linked with modules compiled for eabi",
+ bfd_get_filename (ibfd));
}
/* Warn about any other mismatches */
if (new_flags != old_flags)
- fprintf (stderr,
- "%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)\n",
- bfd_get_filename (ibfd), (long)new_flags, (long)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);
+ }
- bfd_set_error (bfd_error_bad_value);
- return false;
+ if (error)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
}
return true;
}
\f
-/* ELF relocs are against symbols. If we are producing relocateable
- output, and the reloc is against an external symbol, and nothing
- has given us any additional addend, the resulting reloc will also
- be against the same symbol. In such a case, we don't want to
- change anything about the way the reloc is handled, since it will
- all be done at final link time. Rather than put special case code
- into bfd_perform_relocation, all the reloc types use this howto
- function. It just short circuits the reloc if producing
- relocateable output against an external symbol. */
-
-/*ARGSUSED*/
-static bfd_reloc_status_type
-ppc_elf_std_reloc (abfd,
- reloc_entry,
- symbol,
- data,
- input_section,
- output_bfd,
- error_message)
+/* 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;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+ Elf32_Internal_Shdr *hdr;
+ char *name;
+{
+ 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;
+
+ 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. */
+
+boolean
+ppc_elf_fake_sections (abfd, shdr, asect)
+ bfd *abfd;
+ Elf32_Internal_Shdr *shdr;
+ asection *asect;
{
- if (output_bfd != (bfd *) NULL
- && (symbol->flags & BSF_SECTION_SYM) == 0
- && (! reloc_entry->howto->partial_inplace || reloc_entry->addend == 0))
+ if ((asect->flags & SEC_EXCLUDE) != 0)
+ shdr->sh_flags |= SHF_EXCLUDE;
+
+ if ((asect->flags & SEC_SORT_ENTRIES) != 0)
+ shdr->sh_type = SHT_ORDERED;
+}
+
+\f
+/* Create a special linker section */
+static elf_linker_section_t *
+ppc_elf_create_linker_section (abfd, info, which)
+ bfd *abfd;
+ struct bfd_link_info *info;
+ enum elf_linker_section_enum which;
+{
+ 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;
+
+ /* If this is the first time, create the section */
+ lsect = elf_linker_section (dynobj, which);
+ if (!lsect)
{
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
+ 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;
+
+ 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_GOT: /* .got section */
+ defaults.name = ".got";
+ defaults.rel_name = ".rela.got";
+ defaults.sym_name = "_GLOBAL_OFFSET_TABLE_";
+ defaults.max_hole_offset = 32764;
+ defaults.hole_size = 16;
+ defaults.sym_offset = 4;
+ break;
+
+ case LINKER_SECTION_SDATA: /* .sdata/.sbss section */
+ defaults.name = ".sdata";
+ defaults.rel_name = ".rela.sdata";
+ defaults.bss_name = ".sbss";
+ defaults.sym_name = "_SDA_BASE_";
+ 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_";
+ break;
+ }
+
+ lsect = _bfd_elf_create_linker_section (abfd, info, which, &defaults);
}
- return bfd_reloc_continue;
+ return lsect;
}
-/* Don't pretend we can deal with unsupported relocs. */
+\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. */
-/*ARGSUSED*/
-static bfd_reloc_status_type
-ppc_elf_unsupported_reloc (abfd, reloc_entry, symbol, data, input_section,
- output_bfd, error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+static boolean
+ppc_elf_adjust_dynamic_symbol (info, h)
+ struct bfd_link_info *info;
+ struct elf_link_hash_entry *h;
{
- BFD_ASSERT (reloc_entry->howto != (reloc_howto_type *)0);
- fprintf (stderr,
- "%s: Relocation %s (%d) is not currently supported.\n",
- bfd_get_filename (abfd),
- reloc_entry->howto->name,
- reloc_entry->howto->type);
-
- return bfd_reloc_notsupported;
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_adjust_dynamic_symbol called\n");
+#endif
+ return true;
}
-/* Internal function to return the adjustment to the addend for relocations
- that return the upper 16 bits after sign extending the lower 16 bits, ie
- for use with a ADDIS instruction followed by a memory reference using the
- bottom 16 bits. */
+\f
+/* Increment the index of a dynamic symbol by a given amount. Called
+ via elf_link_hash_traverse. */
-INLINE
-static bfd_vma
-ppc_elf_addr16_ha_inner (relocation)
- bfd_vma relocation;
+static boolean
+ppc_elf_adjust_dynindx (h, cparg)
+ struct elf_link_hash_entry *h;
+ PTR cparg;
{
- return (relocation & 0x8000) << 1;
+ 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;
}
-/* Handle the ADDR16_HA reloc by adjusting the reloc addend. */
+\f
+/* Set the sizes of the dynamic sections. */
-/*ARGSUSED*/
-static bfd_reloc_status_type
-ppc_elf_addr16_ha_reloc (abfd, reloc_entry, symbol, data, input_section,
- output_bfd, error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
+static boolean
+ppc_elf_size_dynamic_sections (output_bfd, info)
bfd *output_bfd;
- char **error_message;
+ struct bfd_link_info *info;
{
- bfd_vma relocation;
- asection *sec;
+ bfd *dynobj;
+ asection *s;
+ boolean reltext;
+ boolean relplt;
+
+#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;
+ }
- if (output_bfd != (bfd *) NULL)
- return ppc_elf_std_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message);
+ /* Make space for the trailing nop in .plt. */
+ s = bfd_get_section_by_name (dynobj, ".plt");
+ BFD_ASSERT (s != NULL);
+ if (s->_raw_size > 0)
+ s->_raw_size += 4;
+ }
+ else
+ {
+ /* We may have created entries in the .rela.got, .rela.sdata, and
+ .rela.sdata2 section2. 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;
+ }
+ }
- sec = symbol->section;
- relocation = (((bfd_is_com_section (sec)) ? 0 : symbol->value)
- + sec->output_section->vma
- + sec->output_offset
- + reloc_entry->addend);
+ /* The check_relocs and adjust_dynamic_symbol entry points have
+ determined the sizes of the various dynamic sections. Allocate
+ memory for them. */
+ reltext = false;
+ relplt = false;
+ for (s = dynobj->sections; s != NULL; s = s->next)
+ {
+ const char *name;
+ boolean strip;
+
+ if ((s->flags & SEC_IN_MEMORY) == 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 (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 to handle .rela.bss and
+ .rel.plt. We must create it in
+ create_dynamic_sections, because it 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;
+
+ /* If this relocation section applies to a read only
+ section, then we probably need a DT_TEXTREL entry. */
+ target = bfd_get_section_by_name (output_bfd, name + 5);
+ if (target != NULL
+ && (target->flags & SEC_READONLY) != 0)
+ reltext = true;
+
+ if (strcmp (name, ".rela.plt") == 0)
+ relplt = 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, ".plt") != 0
+ && strcmp (name, ".got") != 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;
+ }
- reloc_entry->addend += ppc_elf_addr16_ha_inner (relocation);
- return bfd_reloc_continue;
+ /* Allocate memory for the section contents. */
+ s->contents = (bfd_byte *) bfd_alloc (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 (! bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0))
+ return false;
+
+ if (relplt)
+ {
+ if (! 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 (! 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. */
+ if (info->shared)
+ {
+ int c, i;
+
+ c = bfd_count_sections (output_bfd);
+ 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, i++)
+ {
+ elf_section_data (s)->dynindx = i;
+ /* These symbols will have no names, so we don't need to
+ fiddle with dynstr_index. */
+ }
+ }
+
+ return true;
}
-/* Internal function to return the addjustment to the addend for GOT16
- entries */
+\f
+/* Look through the relocs for a section during the first phase, and
+ allocate space in the global offset table or procedure linkage
+ table. */
-INLINE
-static bfd_vma
-ppc_elf_got16_inner (sec)
+static boolean
+ppc_elf_check_relocs (abfd, info, sec, relocs)
+ bfd *abfd;
+ struct bfd_link_info *info;
asection *sec;
+ const Elf_Internal_Rela *relocs;
{
- 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
- || strcmp (bfd_get_section_name (abfd, sec), ".sdata") == 0
- || strcmp (bfd_get_section_name (abfd, sec), ".sbss") == 0)
+ 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;
+ elf_linker_section_t *got;
+ elf_linker_section_t *sdata;
+ elf_linker_section_t *sdata2;
+ asection *sreloc;
+
+ if (info->relocateable)
+ return true;
+
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_check_relocs called for section %s\n", sec->name);
+#endif
+
+ /* Create the linker generated sections all the time so that the special
+ symbols are created. */
+ if ((got = elf_linker_section (abfd, LINKER_SECTION_GOT)) == NULL)
+ {
+ got = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_GOT);
+ if (!got)
+ return false;
+ }
+
+ if ((sdata = elf_linker_section (abfd, LINKER_SECTION_SDATA)) == NULL)
+ {
+ sdata = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA);
+ if (!sdata)
+ return false;
+ }
+
+
+ if ((sdata2 = elf_linker_section (abfd, LINKER_SECTION_SDATA2)) == NULL)
+ {
+ sdata2 = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA2);
+ if (!sdata2)
+ return false;
+ }
+
+ dynobj = elf_hash_table (info)->dynobj;
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+
+ 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;
- return -(sec->output_section->vma + 0x8000);
+ 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))
+ {
+ default:
+ break;
+
+ /* GOT16 relocations */
+ case R_PPC_GOT16:
+ case R_PPC_GOT16_LO:
+ case R_PPC_GOT16_HI:
+ case R_PPC_GOT16_HA:
+ if (got->rel_section == NULL
+ && (h != NULL || info->shared)
+ && !_bfd_elf_make_linker_section_rela (dynobj, got, 2))
+ return false;
+
+ if (!bfd_elf32_create_pointer_linker_section (abfd, info, got, h, rel))
+ return false;
+
+ break;
+
+ /* Indirect .sdata relocation */
+ case R_PPC_EMB_SDAI16:
+ if (got->rel_section == NULL
+ && (h != NULL || info->shared)
+ && !_bfd_elf_make_linker_section_rela (dynobj, got, 2))
+ return false;
+
+ BFD_ASSERT (!info->shared);
+ if (!bfd_elf32_create_pointer_linker_section (abfd, info, sdata, h, rel))
+ return false;
+
+ break;
+
+ /* Indirect .sdata2 relocation */
+ case R_PPC_EMB_SDA2I16:
+ if (got->rel_section == NULL
+ && (h != NULL || info->shared)
+ && !_bfd_elf_make_linker_section_rela (dynobj, got, 2))
+ return false;
+
+ BFD_ASSERT (!info->shared);
+ if (!bfd_elf32_create_pointer_linker_section (abfd, info, sdata2, h, rel))
+ return false;
+
+ break;
+
+#if 0
+ 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);
+ return false;
+ }
+
+ /* 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;
+ }
+
+ h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ break;
+
+ case R_SPARC_PC10:
+ case R_SPARC_PC22:
+ if (h != NULL
+ && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
+ break;
+ /* Fall through. */
+ case R_SPARC_DISP8:
+ case R_SPARC_DISP16:
+ case R_SPARC_DISP32:
+ case R_SPARC_WDISP30:
+ case R_SPARC_WDISP22:
+ if (h == NULL)
+ break;
+ /* Fall through. */
+ case R_SPARC_8:
+ case R_SPARC_16:
+ case R_SPARC_32:
+ case R_SPARC_HI22:
+ case R_SPARC_22:
+ case R_SPARC_13:
+ case R_SPARC_LO10:
+ case R_SPARC_UA32:
+ if (info->shared
+ && (sec->flags & SEC_ALLOC) != 0)
+ {
+ /* 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. */
+ 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)
+ return false;
+
+ 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_READONLY))
+ || ! bfd_set_section_alignment (dynobj, sreloc, 2))
+ return false;
+ }
+ }
+
+ sreloc->_raw_size += sizeof (Elf32_External_Rela);
+ }
+
+ break;
+#endif
+ }
+ }
+
+ return true;
}
-/* 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. */
+\f
+/* Finish up dynamic symbol handling. We set the contents of various
+ dynamic sections here. */
-/*ARGSUSED*/
-static bfd_reloc_status_type
-ppc_elf_got16_reloc (abfd, reloc_entry, symbol, data, input_section,
- output_bfd, error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
+static boolean
+ppc_elf_finish_dynamic_symbol (output_bfd, info, h, sym)
bfd *output_bfd;
- char **error_message;
+ struct bfd_link_info *info;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
{
- if (output_bfd != (bfd *) NULL)
- return ppc_elf_std_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message);
+ bfd *dynobj;
+ elf_linker_section_t *sdata;
+ elf_linker_section_t *sdata2;
+
+#ifdef DEBUG
+ fprintf (stderr, "ppc_elf_finish_dynamic_symbol called for %s\n", h->root.root.string);
+#endif
+
+ dynobj = elf_hash_table (info)->dynobj;
+ BFD_ASSERT (dynobj != NULL);
+ sdata = elf_linker_section (dynobj, LINKER_SECTION_SDATA);
+ sdata2 = elf_linker_section (dynobj, LINKER_SECTION_SDATA2);
+
+ if (h->plt_offset != (bfd_vma) -1)
+ {
+ asection *splt;
+ asection *srela;
+ Elf_Internal_Rela rela;
+
+ /* 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);
+
+ /* Fill in the entry in the procedure linkage table. */
+#if 0
+ bfd_put_32 (output_bfd,
+ PLT_ENTRY_WORD0 + h->plt_offset,
+ splt->contents + h->plt_offset);
+ bfd_put_32 (output_bfd,
+ (PLT_ENTRY_WORD1
+ + (((- (h->plt_offset + 4)) >> 2) & 0x3fffff)),
+ splt->contents + h->plt_offset + 4);
+ bfd_put_32 (output_bfd, PLT_ENTRY_WORD2,
+ splt->contents + h->plt_offset + 8);
+
+ /* 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_SPARC_JMP_SLOT);
+ rela.r_addend = 0;
+ bfd_elf32_swap_reloca_out (output_bfd, &rela,
+ ((Elf32_External_Rela *) srela->contents
+ + h->plt_offset / PLT_ENTRY_SIZE - 4));
+#endif
+
+ 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->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. */
+
+ 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;
+ }
+
+ /* 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;
+
+ /* If .sdata is larger than 32767, bump up _SDA_BASE_ by 32768 so that
+ we put off getting relocation overflows until it is > 65k. Do the
+ same for .sdata2 and _SDA2_BASE_. */
+ if (sdata && sdata->sym_hash == h
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DYNAMIC_ADJUSTED) == 0)
+ {
+ bfd_vma size = 0;
+ asection *s = bfd_get_section_by_name (output_bfd, ".sdata");
+ if (s)
+ size = s->_raw_size;
+
+ s = bfd_get_section_by_name (output_bfd, ".sbss");
+ if (s)
+ size += s->_raw_size;
+
+ if (size > 32767)
+ h->root.u.def.value += 32768;
+
+ h->elf_link_hash_flags |= ELF_LINK_HASH_DYNAMIC_ADJUSTED;
+ }
+
+ if (sdata2 && sdata2->sym_hash == h
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DYNAMIC_ADJUSTED) == 0)
+ {
+ bfd_vma size = 0;
+ asection *s = bfd_get_section_by_name (output_bfd, ".sdata2");
+ if (s)
+ size = s->_raw_size;
- reloc_entry->addend += ppc_elf_got16_inner (bfd_get_section (*reloc_entry->sym_ptr_ptr));
- return bfd_reloc_continue;
+ s = bfd_get_section_by_name (output_bfd, ".sbss2");
+ if (s)
+ size += s->_raw_size;
+
+ if (size > 32767)
+ h->root.u.def.value += 32768;
+
+ h->elf_link_hash_flags |= ELF_LINK_HASH_DYNAMIC_ADJUSTED;
+ }
+
+ 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;
+ elf_linker_section_t *got = elf_linker_section (dynobj, LINKER_SECTION_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 (got)
+ {
+ unsigned char *contents = got->section->contents + got->hole_offset;
+ 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 (got->section->output_section)->this_hdr.sh_entsize = 4;
+ }
+
+ if (info->shared)
+ {
+ asection *sdynsym;
+ asection *s;
+ Elf_Internal_Sym sym;
+
+ /* 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;
+
+ sym.st_value = s->vma;
+
+ indx = elf_section_data (s)->this_idx;
+ BFD_ASSERT (indx > 0);
+ sym.st_shndx = indx;
+
+ bfd_elf32_swap_symbol_out (output_bfd, &sym,
+ (PTR) (((Elf32_External_Sym *)
+ sdynsym->contents)
+ + elf_section_data (s)->dynindx));
+ }
+
+ /* 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 =
+ bfd_count_sections (output_bfd) + 1;
+ }
+
+ return true;
}
\f
Elf_Internal_Sym *local_syms;
asection **local_sections;
{
- Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
- Elf_Internal_Rela *rel = relocs;
- Elf_Internal_Rela *relend = relocs + input_section->reloc_count;
- boolean ret = true;
+ bfd *dynobj = elf_hash_table (info)->dynobj;
+ elf_linker_section_t *got = elf_linker_section (dynobj, LINKER_SECTION_GOT);
+ elf_linker_section_t *sdata = elf_linker_section (dynobj, LINKER_SECTION_SDATA);
+ elf_linker_section_t *sdata2 = elf_linker_section (dynobj, LINKER_SECTION_SDATA2);
+ Elf_Internal_Rela *rel = relocs;
+ Elf_Internal_Rela *relend = relocs + input_section->reloc_count;
+ boolean ret = true;
+ long insn;
#ifdef DEBUG
fprintf (stderr, "ppc_elf_relocate_section called for %s section %s, %ld relocations%s\n",
for (; rel < relend; rel++)
{
- enum reloc_type r_type = (enum 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;
+ 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;
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])
{
- fprintf (stderr,
- "%s: Unknown relocation type %d\n",
- bfd_get_filename (input_bfd),
- (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;
}
/* This is a final link. */
-
- /* Complain about known relocation that are not yet supported */
- if (howto->special_function == ppc_elf_unsupported_reloc)
- {
- fprintf (stderr,
- "%s: Relocation %s (%d) is not currently supported.\n",
- bfd_get_filename (input_bfd),
- howto->name,
- (int)r_type);
-
- bfd_set_error (bfd_error_bad_value);
- ret = false;
- continue;
- }
-
if (r_symndx < symtab_hdr->sh_info)
{
sym = local_syms + r_symndx;
switch ((int)r_type)
{
default:
+ (*_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;
+
+ /* relocations that need no special processing */
+ 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_ADDR14:
+ case (int)R_PPC_REL24:
+ case (int)R_PPC_REL14:
+ case (int)R_PPC_UADDR32:
+ case (int)R_PPC_UADDR16:
+ case (int)R_PPC_REL32:
break;
- case (int)R_PPC_GOT16: /* GOT16 relocations */
+ /* 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_SDAREL:
+ case (int)R_PPC_GOT16_HA:
+ relocation = bfd_elf32_finish_pointer_linker_section (output_bfd, input_bfd, info,
+ got, h, relocation, rel,
+ R_PPC_RELATIVE);
+ 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);
- addend += ppc_elf_got16_inner (sec);
+ 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 + 0x8000;
+ break;
+
+ /* arithmetic adjust relocations */
+ case (int)R_PPC_ADDR16_HA:
+ BFD_ASSERT (sec != (asection *)0);
+ addend += ((relocation + addend) & 0x8000) << 1;
+ 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 of a %s relocation is in the wrong section (%s)",
+ bfd_get_filename (input_bfd),
+ ppc_elf_howto_table[ (int)r_type ]->name,
+ bfd_get_section_name (abfd, sec));
+
+ bfd_set_error (bfd_error_bad_value);
+ ret = false;
+ continue;
+ }
+ relocation = (sdata->sym_hash->root.u.def.value
+ + sdata->sym_hash->root.u.def.section->output_section->vma
+ - relocation);
break;
- case (int)R_PPC_ADDR16_HA: /* arithmetic adjust relocations */
+ /* relocate against _SDA2_BASE_ */
+ case (int)R_PPC_EMB_SDA2REL:
BFD_ASSERT (sec != (asection *)0);
- addend += ppc_elf_addr16_ha_inner (relocation + addend);
+ 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 of a %s relocation is in the wrong section (%s)",
+ bfd_get_filename (input_bfd),
+ ppc_elf_howto_table[ (int)r_type ]->name,
+ bfd_get_section_name (abfd, sec));
+
+ bfd_set_error (bfd_error_bad_value);
+ ret = false;
+ continue;
+ }
+ relocation = (sdata->sym_hash->root.u.def.value
+ + sdata->sym_hash->root.u.def.section->output_section->vma
+ - relocation);
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;
+ relocation = (sdata2->sym_hash->root.u.def.value
+ + sdata2->sym_hash->root.u.def.section->output_section->vma
+ - relocation);
+ }
+
+ else if (strcmp (name, ".sdata2") == 0 || strcmp (name, ".sbss2") == 0)
+ {
+ reg = 2;
+ relocation = (sdata2->sym_hash->root.u.def.value
+ + sdata2->sym_hash->root.u.def.section->output_section->vma
+ - relocation);
+ }
+
+ else if (strcmp (name, ".PPC.EMB.sdata0") == 0 || strcmp (name, ".PPC.EMB.sbss0") == 0)
+ {
+ reg = 0;
+ }
+
+ else
+ {
+ (*_bfd_error_handler) ("%s: The target of a %s relocation is in the wrong section (%s)",
+ bfd_get_filename (input_bfd),
+ ppc_elf_howto_table[ (int)r_type ]->name,
+ bfd_get_section_name (abfd, sec));
+
+ bfd_set_error (bfd_error_bad_value);
+ ret = false;
+ continue;
+ }
+ goto unsupported;
+ }
+
+ case (int)R_PPC_PLTREL24:
+ 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_LOCAL24PC:
+ 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_SECTOFF:
+ case (int)R_PPC_SECTOFF_LO:
+ case (int)R_PPC_SECTOFF_HI:
+ case (int)R_PPC_SECTOFF_HA:
+ 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:
+ case (int)R_PPC_EMB_NADDR16_HA:
+ case (int)R_PPC_EMB_MRKREF:
+ 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:
+ unsupported:
+ (*_bfd_error_handler) ("%s: Relocation %s is not yet supported.",
+ bfd_get_filename (input_bfd),
+ ppc_elf_howto_table[ (int)r_type ]->name);
+
+ bfd_set_error (bfd_error_invalid_operation);
+ ret = false;
+ continue;
}
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 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_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
#include "elf32-target.h"
projects / binutils.git / blobdiff