/* PowerPC64-specific support for 64-bit ELF.
- Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Written by Linus Nordberg, Swox AB <info@swox.com>,
based on elf32-ppc.c by Ian Lance Taylor.
#include "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"
-#include "elf/ppc.h"
+#include "elf/ppc64.h"
#include "elf64-ppc.h"
-#define USE_RELA /* we want RELA relocations, not REL. */
-
-
static void ppc_howto_init
PARAMS ((void));
static reloc_howto_type *ppc64_elf_reloc_type_lookup
PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
static void ppc64_elf_info_to_howto
- PARAMS ((bfd *abfd, arelent *cache_ptr, Elf64_Internal_Rela *dst));
+ PARAMS ((bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst));
static bfd_reloc_status_type ppc64_elf_ha_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
static bfd_reloc_status_type ppc64_elf_brtaken_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
static bfd_reloc_status_type ppc64_elf_unhandled_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static void ppc64_elf_get_symbol_info
- PARAMS ((bfd *, asymbol *, symbol_info *));
-static boolean ppc64_elf_set_private_flags
- PARAMS ((bfd *, flagword));
-static boolean ppc64_elf_merge_private_bfd_data
+static bfd_boolean ppc64_elf_object_p
+ PARAMS ((bfd *));
+static bfd_boolean ppc64_elf_merge_private_bfd_data
PARAMS ((bfd *, bfd *));
-static boolean ppc64_elf_section_from_shdr
- PARAMS ((bfd *, Elf64_Internal_Shdr *, const char *));
+static bfd_boolean ppc64_elf_new_section_hook
+ PARAMS ((bfd *, asection *));
/* The name of the dynamic interpreter. This is put in the .interp
#define PLT_INITIAL_ENTRY_SIZE PLT_ENTRY_SIZE
/* TOC base pointers offset from start of TOC. */
-#define TOC_BASE_OFF (0x8000)
+#define TOC_BASE_OFF 0x8000
+
+/* Offset of tp and dtp pointers from start of TLS block. */
+#define TP_OFFSET 0x7000
+#define DTP_OFFSET 0x8000
/* .plt call stub instructions. */
#define ADDIS_R12_R2 0x3d820000 /* addis %r12,%r2,xxx@ha */
/* Since .opd is an array of descriptors and each entry will end up
with identical R_PPC64_RELATIVE relocs, there is really no need to
propagate .opd relocs; The dynamic linker should be taught to
- relocate .opd without reloc entries. FIXME: .opd should be trimmed
- of unused values. */
+ relocate .opd without reloc entries. */
#ifndef NO_OPD_RELOCS
#define NO_OPD_RELOCS 0
#endif
\f
+#define ONES(n) (((bfd_vma) 1 << ((n) - 1) << 1) - 1)
+
/* Relocation HOWTO's. */
-static reloc_howto_type *ppc64_elf_howto_table[(int) R_PPC_max];
+static reloc_howto_type *ppc64_elf_howto_table[(int) R_PPC64_max];
static reloc_howto_type ppc64_elf_howto_raw[] = {
/* This reloc does nothing. */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_NONE", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A standard 32 bit relocation. */
HOWTO (R_PPC64_ADDR32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_ADDR32", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ 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. */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_ADDR24", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0x3fffffc, /* dst_mask */
- false), /* pcrel_offset */
+ 0x03fffffc, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* A standard 16 bit relocation. */
HOWTO (R_PPC64_ADDR16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_ADDR16", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 16 bit relocation without overflow. */
HOWTO (R_PPC64_ADDR16_LO, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_ADDR16_LO", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Bits 16-31 of an address. */
HOWTO (R_PPC64_ADDR16_HI, /* type */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_ADDR16_HI", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Bits 16-31 of an address, plus 1 if the contents of the low 16
bits, treated as a signed number, is negative. */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_ha_reloc, /* special_function */
"R_PPC64_ADDR16_HA", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ 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. */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_ADDR14", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ 0x0000fffc, /* 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
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
ppc64_elf_brtaken_reloc, /* special_function */
"R_PPC64_ADDR14_BRTAKEN",/* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ 0x0000fffc, /* 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
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
ppc64_elf_brtaken_reloc, /* special_function */
"R_PPC64_ADDR14_BRNTAKEN",/* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ 0x0000fffc, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* A relative 26 bit branch; the lower two bits must be zero. */
HOWTO (R_PPC64_REL24, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_REL24", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0x3fffffc, /* dst_mask */
- true), /* pcrel_offset */
+ 0x03fffffc, /* dst_mask */
+ TRUE), /* pcrel_offset */
/* A relative 16 bit branch; the lower two bits must be zero. */
HOWTO (R_PPC64_REL14, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_REL14", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xfffc, /* dst_mask */
- true), /* pcrel_offset */
+ 0x0000fffc, /* dst_mask */
+ TRUE), /* pcrel_offset */
/* 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
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc64_elf_brtaken_reloc, /* special_function */
"R_PPC64_REL14_BRTAKEN", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xfffc, /* dst_mask */
- true), /* pcrel_offset */
+ 0x0000fffc, /* dst_mask */
+ TRUE), /* pcrel_offset */
/* 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
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc64_elf_brtaken_reloc, /* special_function */
"R_PPC64_REL14_BRNTAKEN",/* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xfffc, /* dst_mask */
- true), /* pcrel_offset */
+ 0x0000fffc, /* dst_mask */
+ TRUE), /* pcrel_offset */
/* Like R_PPC64_ADDR16, but referring to the GOT table entry for the
symbol. */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_ADDR16_LO, but referring to the GOT table entry for
the symbol. */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16_LO", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_ADDR16_HI, but referring to the GOT table entry for
the symbol. */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16_HI", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_ADDR16_HA, but referring to the GOT table entry for
the symbol. */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16_HA", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* 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
run has to have the data at some particular address. */
HOWTO (R_PPC64_COPY, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
+ 0, /* this one is variable size */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- ppc64_elf_unhandled_reloc, /* special_function */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_COPY", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_ADDR64, but used when setting global offset table
entries. */
0, /* rightshift */
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
64, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GLOB_DAT", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xffffffffffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ ONES (64), /* dst_mask */
+ FALSE), /* pcrel_offset */
/* Created by the link editor. Marks a procedure linkage table
entry for a symbol. */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_JMP_SLOT", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Used only by the dynamic linker. When the object is run, this
doubleword64 is set to the load address of the object, plus the
0, /* rightshift */
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
64, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_RELATIVE", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xffffffffffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ ONES (64), /* dst_mask */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_ADDR32, but may be unaligned. */
HOWTO (R_PPC64_UADDR32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_UADDR32", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_ADDR16, but may be unaligned. */
HOWTO (R_PPC64_UADDR16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_UADDR16", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 32-bit PC relative. */
HOWTO (R_PPC64_REL32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
/* FIXME: Verify. Was complain_overflow_bitfield. */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_REL32", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- true), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* 32-bit relocation to the symbol's procedure linkage table. */
HOWTO (R_PPC64_PLT32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT32", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
/* 32-bit PC relative relocation to the symbol's procedure linkage table.
FIXME: R_PPC64_PLTREL32 not supported. */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_PLTREL32", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
- true), /* pcrel_offset */
+ 0xffffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
/* Like R_PPC64_ADDR16_LO, but referring to the PLT table entry for
the symbol. */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT16_LO", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_ADDR16_HI, but referring to the PLT table entry for
the symbol. */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT16_HI", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_ADDR16_HA, but referring to the PLT table entry for
the symbol. */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT16_HA", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16-bit section relative relocation. */
HOWTO (R_PPC64_SECTOFF, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
ppc64_elf_sectoff_reloc, /* special_function */
"R_PPC64_SECTOFF", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_SECTOFF, but no overflow warning. */
HOWTO (R_PPC64_SECTOFF_LO, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_sectoff_reloc, /* special_function */
"R_PPC64_SECTOFF_LO", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16-bit upper half section relative relocation. */
HOWTO (R_PPC64_SECTOFF_HI, /* type */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_sectoff_reloc, /* special_function */
"R_PPC64_SECTOFF_HI", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16-bit upper half adjusted section relative relocation. */
HOWTO (R_PPC64_SECTOFF_HA, /* type */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_sectoff_ha_reloc, /* special_function */
"R_PPC64_SECTOFF_HA", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
- /* Like R_PPC64_REL24 without touching the two least significant
- bits. Should have been named R_PPC64_REL30! */
- HOWTO (R_PPC64_ADDR30, /* type */
+ /* Like R_PPC64_REL24 without touching the two least significant bits. */
+ HOWTO (R_PPC64_REL30, /* type */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
30, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_PPC64_ADDR30", /* name */
- false, /* partial_inplace */
+ "R_PPC64_REL30", /* name */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffffffc, /* dst_mask */
- true), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* Relocs in the 64-bit PowerPC ELF ABI, not in the 32-bit ABI. */
0, /* rightshift */
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
64, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_ADDR64", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xffffffffffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ ONES (64), /* dst_mask */
+ FALSE), /* pcrel_offset */
/* The bits 32-47 of an address. */
HOWTO (R_PPC64_ADDR16_HIGHER, /* type */
32, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_ADDR16_HIGHER", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* The bits 32-47 of an address, plus 1 if the contents of the low
16 bits, treated as a signed number, is negative. */
32, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_ha_reloc, /* special_function */
"R_PPC64_ADDR16_HIGHERA", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* The bits 48-63 of an address. */
HOWTO (R_PPC64_ADDR16_HIGHEST,/* type */
48, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_ADDR16_HIGHEST", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* The bits 48-63 of an address, plus 1 if the contents of the low
16 bits, treated as a signed number, is negative. */
48, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_ha_reloc, /* special_function */
"R_PPC64_ADDR16_HIGHESTA", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like ADDR64, but may be unaligned. */
HOWTO (R_PPC64_UADDR64, /* type */
0, /* rightshift */
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
64, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_UADDR64", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xffffffffffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ ONES (64), /* dst_mask */
+ FALSE), /* pcrel_offset */
/* 64-bit relative relocation. */
HOWTO (R_PPC64_REL64, /* type */
0, /* rightshift */
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
64, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_REL64", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xffffffffffffffff, /* dst_mask */
- true), /* pcrel_offset */
+ ONES (64), /* dst_mask */
+ TRUE), /* pcrel_offset */
/* 64-bit relocation to the symbol's procedure linkage table. */
HOWTO (R_PPC64_PLT64, /* type */
0, /* rightshift */
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
64, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT64", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
+ ONES (64), /* dst_mask */
+ FALSE), /* pcrel_offset */
/* 64-bit PC relative relocation to the symbol's procedure linkage
table. */
0, /* rightshift */
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
64, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTREL64", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
- true), /* pcrel_offset */
+ ONES (64), /* dst_mask */
+ TRUE), /* pcrel_offset */
/* 16 bit TOC-relative relocation. */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc64_elf_toc_reloc, /* special_function */
"R_PPC64_TOC16", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16 bit TOC-relative relocation without overflow. */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_toc_reloc, /* special_function */
"R_PPC64_TOC16_LO", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16 bit TOC-relative relocation, high 16 bits. */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_toc_reloc, /* special_function */
"R_PPC64_TOC16_HI", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16 bit TOC-relative relocation, high 16 bits, plus 1 if the
contents of the low 16 bits, treated as a signed number, is
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_toc_ha_reloc, /* special_function */
"R_PPC64_TOC16_HA", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 64-bit relocation; insert value of TOC base (.TOC.). */
0, /* rightshift */
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
64, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
ppc64_elf_toc64_reloc, /* special_function */
"R_PPC64_TOC", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0xffffffffffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ ONES (64), /* dst_mask */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_GOT16, but also informs the link editor that the
value to relocate may (!) refer to a PLT entry which the link
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_PLTGOT16, but without overflow. */
/* FIXME: R_PPC64_PLTGOT16_LO not implemented. */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16_LO", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_PLT_GOT16, but using bits 16-31 of the address. */
/* FIXME: R_PPC64_PLTGOT16_HI not implemented. */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16_HI", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_PLT_GOT16, but using bits 16-31 of the address, plus
1 if the contents of the low 16 bits, treated as a signed number,
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16_HA", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_ADDR16, but for instructions with a DS field. */
HOWTO (R_PPC64_ADDR16_DS, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_ADDR16_DS", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_ADDR16_LO, but for instructions with a DS field. */
HOWTO (R_PPC64_ADDR16_LO_DS, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_ADDR16_LO_DS",/* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_GOT16, but for instructions with a DS field. */
HOWTO (R_PPC64_GOT16_DS, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16_DS", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_GOT16_LO, but for instructions with a DS field. */
HOWTO (R_PPC64_GOT16_LO_DS, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16_LO_DS", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_PLT16_LO, but for instructions with a DS field. */
HOWTO (R_PPC64_PLT16_LO_DS, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT16_LO_DS", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_SECTOFF, but for instructions with a DS field. */
HOWTO (R_PPC64_SECTOFF_DS, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
ppc64_elf_sectoff_reloc, /* special_function */
"R_PPC64_SECTOFF_DS", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_SECTOFF_LO, but for instructions with a DS field. */
HOWTO (R_PPC64_SECTOFF_LO_DS, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_sectoff_reloc, /* special_function */
"R_PPC64_SECTOFF_LO_DS",/* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_TOC16, but for instructions with a DS field. */
HOWTO (R_PPC64_TOC16_DS, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc64_elf_toc_reloc, /* special_function */
"R_PPC64_TOC16_DS", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_TOC16_LO, but for instructions with a DS field. */
HOWTO (R_PPC64_TOC16_LO_DS, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_toc_reloc, /* special_function */
"R_PPC64_TOC16_LO_DS", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_PLTGOT16, but for instructions with a DS field. */
/* FIXME: R_PPC64_PLTGOT16_DS not implemented. */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16_DS", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Like R_PPC64_PLTGOT16_LO, but for instructions with a DS field. */
/* FIXME: R_PPC64_PLTGOT16_LO not implemented. */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16_LO_DS",/* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0xfffc, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
- /* GNU extension to record C++ vtable hierarchy. */
- HOWTO (R_PPC64_GNU_VTINHERIT, /* type */
+ /* Marker reloc for TLS. */
+ HOWTO (R_PPC64_TLS,
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- false, /* pc_relative */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- NULL, /* special_function */
- "R_PPC64_GNU_VTINHERIT", /* name */
- false, /* partial_inplace */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_PPC64_TLS", /* name */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
- /* GNU extension to record C++ vtable member usage. */
- HOWTO (R_PPC64_GNU_VTENTRY, /* type */
+ /* Computes the load module index of the load module that contains the
+ definition of its TLS sym. */
+ HOWTO (R_PPC64_DTPMOD64,
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- false, /* pc_relative */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- NULL, /* special_function */
- "R_PPC64_GNU_VTENTRY", /* name */
- false, /* partial_inplace */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPMOD64", /* name */
+ FALSE, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
-};
+ ONES (64), /* dst_mask */
+ FALSE), /* pcrel_offset */
-\f
-/* Initialize the ppc64_elf_howto_table, so that linear accesses can
- be done. */
+ /* Computes a dtv-relative displacement, the difference between the value
+ of sym+add and the base address of the thread-local storage block that
+ contains the definition of sym, minus 0x8000. */
+ HOWTO (R_PPC64_DTPREL64,
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPREL64", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ONES (64), /* dst_mask */
+ FALSE), /* pcrel_offset */
-static void
-ppc_howto_init ()
-{
- unsigned int i, type;
+ /* A 16 bit dtprel reloc. */
+ HOWTO (R_PPC64_DTPREL16,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPREL16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
- for (i = 0;
- i < sizeof (ppc64_elf_howto_raw) / sizeof (ppc64_elf_howto_raw[0]);
- i++)
- {
- type = ppc64_elf_howto_raw[i].type;
- BFD_ASSERT (type < (sizeof (ppc64_elf_howto_table)
- / sizeof (ppc64_elf_howto_table[0])));
- ppc64_elf_howto_table[type] = &ppc64_elf_howto_raw[i];
- }
-}
+ /* Like DTPREL16, but no overflow. */
+ HOWTO (R_PPC64_DTPREL16_LO,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPREL16_LO", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
-static reloc_howto_type *
-ppc64_elf_reloc_type_lookup (abfd, code)
- bfd *abfd ATTRIBUTE_UNUSED;
- bfd_reloc_code_real_type code;
-{
- enum elf_ppc_reloc_type ppc_reloc = R_PPC_NONE;
+ /* Like DTPREL16_LO, but next higher group of 16 bits. */
+ HOWTO (R_PPC64_DTPREL16_HI,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPREL16_HI", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
- if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
- /* Initialize howto table if needed. */
- ppc_howto_init ();
+ /* Like DTPREL16_HI, but adjust for low 16 bits. */
+ HOWTO (R_PPC64_DTPREL16_HA,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPREL16_HA", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
- switch ((int) code)
- {
- default:
- return (reloc_howto_type *) NULL;
+ /* Like DTPREL16_HI, but next higher group of 16 bits. */
+ HOWTO (R_PPC64_DTPREL16_HIGHER,
+ 32, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPREL16_HIGHER", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
- case BFD_RELOC_NONE: ppc_reloc = R_PPC64_NONE;
- break;
- case BFD_RELOC_32: ppc_reloc = R_PPC64_ADDR32;
- break;
- case BFD_RELOC_PPC_BA26: ppc_reloc = R_PPC64_ADDR24;
- break;
- case BFD_RELOC_16: ppc_reloc = R_PPC64_ADDR16;
- break;
- case BFD_RELOC_LO16: ppc_reloc = R_PPC64_ADDR16_LO;
- break;
- case BFD_RELOC_HI16: ppc_reloc = R_PPC64_ADDR16_HI;
- break;
- case BFD_RELOC_HI16_S: ppc_reloc = R_PPC64_ADDR16_HA;
- break;
- case BFD_RELOC_PPC_BA16: ppc_reloc = R_PPC64_ADDR14;
- break;
- case BFD_RELOC_PPC_BA16_BRTAKEN: ppc_reloc = R_PPC64_ADDR14_BRTAKEN;
- break;
- case BFD_RELOC_PPC_BA16_BRNTAKEN: ppc_reloc = R_PPC64_ADDR14_BRNTAKEN;
- break;
- case BFD_RELOC_PPC_B26: ppc_reloc = R_PPC64_REL24;
- break;
- case BFD_RELOC_PPC_B16: ppc_reloc = R_PPC64_REL14;
- break;
- case BFD_RELOC_PPC_B16_BRTAKEN: ppc_reloc = R_PPC64_REL14_BRTAKEN;
- break;
- case BFD_RELOC_PPC_B16_BRNTAKEN: ppc_reloc = R_PPC64_REL14_BRNTAKEN;
- break;
- case BFD_RELOC_16_GOTOFF: ppc_reloc = R_PPC64_GOT16;
- break;
- case BFD_RELOC_LO16_GOTOFF: ppc_reloc = R_PPC64_GOT16_LO;
- break;
- case BFD_RELOC_HI16_GOTOFF: ppc_reloc = R_PPC64_GOT16_HI;
- break;
- case BFD_RELOC_HI16_S_GOTOFF: ppc_reloc = R_PPC64_GOT16_HA;
- break;
- case BFD_RELOC_PPC_COPY: ppc_reloc = R_PPC64_COPY;
- break;
- case BFD_RELOC_PPC_GLOB_DAT: ppc_reloc = R_PPC64_GLOB_DAT;
- break;
- case BFD_RELOC_32_PCREL: ppc_reloc = R_PPC64_REL32;
- break;
- case BFD_RELOC_32_PLTOFF: ppc_reloc = R_PPC64_PLT32;
- break;
- case BFD_RELOC_32_PLT_PCREL: ppc_reloc = R_PPC64_PLTREL32;
- break;
- case BFD_RELOC_LO16_PLTOFF: ppc_reloc = R_PPC64_PLT16_LO;
- break;
- case BFD_RELOC_HI16_PLTOFF: ppc_reloc = R_PPC64_PLT16_HI;
- break;
- case BFD_RELOC_HI16_S_PLTOFF: ppc_reloc = R_PPC64_PLT16_HA;
- break;
- case BFD_RELOC_16_BASEREL: ppc_reloc = R_PPC64_SECTOFF;
- break;
- case BFD_RELOC_LO16_BASEREL: ppc_reloc = R_PPC64_SECTOFF_LO;
- break;
- case BFD_RELOC_HI16_BASEREL: ppc_reloc = R_PPC64_SECTOFF_HI;
- break;
- case BFD_RELOC_HI16_S_BASEREL: ppc_reloc = R_PPC64_SECTOFF_HA;
- break;
- case BFD_RELOC_CTOR: ppc_reloc = R_PPC64_ADDR64;
- break;
- case BFD_RELOC_64: ppc_reloc = R_PPC64_ADDR64;
- break;
- case BFD_RELOC_PPC64_HIGHER: ppc_reloc = R_PPC64_ADDR16_HIGHER;
- break;
- case BFD_RELOC_PPC64_HIGHER_S: ppc_reloc = R_PPC64_ADDR16_HIGHERA;
- break;
- case BFD_RELOC_PPC64_HIGHEST: ppc_reloc = R_PPC64_ADDR16_HIGHEST;
- break;
- case BFD_RELOC_PPC64_HIGHEST_S: ppc_reloc = R_PPC64_ADDR16_HIGHESTA;
- break;
- case BFD_RELOC_64_PCREL: ppc_reloc = R_PPC64_REL64;
- break;
- case BFD_RELOC_64_PLTOFF: ppc_reloc = R_PPC64_PLT64;
- break;
- case BFD_RELOC_64_PLT_PCREL: ppc_reloc = R_PPC64_PLTREL64;
- break;
- case BFD_RELOC_PPC_TOC16: ppc_reloc = R_PPC64_TOC16;
- break;
- case BFD_RELOC_PPC64_TOC16_LO: ppc_reloc = R_PPC64_TOC16_LO;
- break;
- case BFD_RELOC_PPC64_TOC16_HI: ppc_reloc = R_PPC64_TOC16_HI;
- break;
- case BFD_RELOC_PPC64_TOC16_HA: ppc_reloc = R_PPC64_TOC16_HA;
- break;
- case BFD_RELOC_PPC64_TOC: ppc_reloc = R_PPC64_TOC;
- break;
- case BFD_RELOC_PPC64_PLTGOT16: ppc_reloc = R_PPC64_PLTGOT16;
- break;
- case BFD_RELOC_PPC64_PLTGOT16_LO: ppc_reloc = R_PPC64_PLTGOT16_LO;
- break;
- case BFD_RELOC_PPC64_PLTGOT16_HI: ppc_reloc = R_PPC64_PLTGOT16_HI;
- break;
- case BFD_RELOC_PPC64_PLTGOT16_HA: ppc_reloc = R_PPC64_PLTGOT16_HA;
- break;
- case BFD_RELOC_PPC64_ADDR16_DS: ppc_reloc = R_PPC64_ADDR16_DS;
- break;
- case BFD_RELOC_PPC64_ADDR16_LO_DS: ppc_reloc = R_PPC64_ADDR16_LO_DS;
- break;
- case BFD_RELOC_PPC64_GOT16_DS: ppc_reloc = R_PPC64_GOT16_DS;
- break;
- case BFD_RELOC_PPC64_GOT16_LO_DS: ppc_reloc = R_PPC64_GOT16_LO_DS;
- break;
- case BFD_RELOC_PPC64_PLT16_LO_DS: ppc_reloc = R_PPC64_PLT16_LO_DS;
- break;
- case BFD_RELOC_PPC64_SECTOFF_DS: ppc_reloc = R_PPC64_SECTOFF_DS;
- break;
- case BFD_RELOC_PPC64_SECTOFF_LO_DS: ppc_reloc = R_PPC64_SECTOFF_LO_DS;
- break;
- case BFD_RELOC_PPC64_TOC16_DS: ppc_reloc = R_PPC64_TOC16_DS;
- break;
- case BFD_RELOC_PPC64_TOC16_LO_DS: ppc_reloc = R_PPC64_TOC16_LO_DS;
- break;
- case BFD_RELOC_PPC64_PLTGOT16_DS: ppc_reloc = R_PPC64_PLTGOT16_DS;
- break;
- case BFD_RELOC_PPC64_PLTGOT16_LO_DS: ppc_reloc = R_PPC64_PLTGOT16_LO_DS;
- break;
- case BFD_RELOC_VTABLE_INHERIT: ppc_reloc = R_PPC64_GNU_VTINHERIT;
- break;
- case BFD_RELOC_VTABLE_ENTRY: ppc_reloc = R_PPC64_GNU_VTENTRY;
- break;
- }
+ /* Like DTPREL16_HIGHER, but adjust for low 16 bits. */
+ HOWTO (R_PPC64_DTPREL16_HIGHERA,
+ 32, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPREL16_HIGHERA", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
- return ppc64_elf_howto_table[(int) ppc_reloc];
-};
+ /* Like DTPREL16_HIGHER, but next higher group of 16 bits. */
+ HOWTO (R_PPC64_DTPREL16_HIGHEST,
+ 48, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPREL16_HIGHEST", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
-/* Set the howto pointer for a PowerPC ELF reloc. */
+ /* Like DTPREL16_HIGHEST, but adjust for low 16 bits. */
+ HOWTO (R_PPC64_DTPREL16_HIGHESTA,
+ 48, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPREL16_HIGHESTA", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
-static void
-ppc64_elf_info_to_howto (abfd, cache_ptr, dst)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *cache_ptr;
- Elf64_Internal_Rela *dst;
-{
- unsigned int type;
+ /* Like DTPREL16, but for insns with a DS field. */
+ HOWTO (R_PPC64_DTPREL16_DS,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPREL16_DS", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ FALSE), /* pcrel_offset */
- /* Initialize howto table if needed. */
- if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
- ppc_howto_init ();
+ /* Like DTPREL16_DS, but no overflow. */
+ HOWTO (R_PPC64_DTPREL16_LO_DS,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_DTPREL16_LO_DS", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ FALSE), /* pcrel_offset */
- type = ELF64_R_TYPE (dst->r_info);
- BFD_ASSERT (type < (sizeof (ppc64_elf_howto_table)
- / sizeof (ppc64_elf_howto_table[0])));
- cache_ptr->howto = ppc64_elf_howto_table[type];
-}
+ /* Computes a tp-relative displacement, the difference between the value of
+ sym+add and the value of the thread pointer (r13). */
+ HOWTO (R_PPC64_TPREL64,
+ 0, /* rightshift */
+ 4, /* size (0 = byte, 1 = short, 2 = long) */
+ 64, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_TPREL64", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ ONES (64), /* dst_mask */
+ FALSE), /* pcrel_offset */
-/* Handle the R_PPC_ADDR16_HA and similar relocs. */
+ /* A 16 bit tprel reloc. */
+ HOWTO (R_PPC64_TPREL16,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_TPREL16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
-static bfd_reloc_status_type
-ppc64_elf_ha_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message)
- bfd *abfd;
+ /* Like TPREL16, but no overflow. */
+ HOWTO (R_PPC64_TPREL16_LO,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_TPREL16_LO", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like TPREL16_LO, but next higher group of 16 bits. */
+ HOWTO (R_PPC64_TPREL16_HI,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_TPREL16_HI", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like TPREL16_HI, but adjust for low 16 bits. */
+ HOWTO (R_PPC64_TPREL16_HA,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_TPREL16_HA", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like TPREL16_HI, but next higher group of 16 bits. */
+ HOWTO (R_PPC64_TPREL16_HIGHER,
+ 32, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_TPREL16_HIGHER", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like TPREL16_HIGHER, but adjust for low 16 bits. */
+ HOWTO (R_PPC64_TPREL16_HIGHERA,
+ 32, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_TPREL16_HIGHERA", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like TPREL16_HIGHER, but next higher group of 16 bits. */
+ HOWTO (R_PPC64_TPREL16_HIGHEST,
+ 48, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_TPREL16_HIGHEST", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like TPREL16_HIGHEST, but adjust for low 16 bits. */
+ HOWTO (R_PPC64_TPREL16_HIGHESTA,
+ 48, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_TPREL16_HIGHESTA", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like TPREL16, but for insns with a DS field. */
+ HOWTO (R_PPC64_TPREL16_DS,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_TPREL16_DS", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like TPREL16_DS, but no overflow. */
+ HOWTO (R_PPC64_TPREL16_LO_DS,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_TPREL16_LO_DS", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Allocates two contiguous entries in the GOT to hold a tls_index structure,
+ with values (sym+add)@dtpmod and (sym+add)@dtprel, and computes the offset
+ to the first entry relative to the TOC base (r2). */
+ HOWTO (R_PPC64_GOT_TLSGD16,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TLSGD16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_TLSGD16, but no overflow. */
+ HOWTO (R_PPC64_GOT_TLSGD16_LO,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TLSGD16_LO", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_TLSGD16_LO, but next higher group of 16 bits. */
+ HOWTO (R_PPC64_GOT_TLSGD16_HI,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TLSGD16_HI", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_TLSGD16_HI, but adjust for low 16 bits. */
+ HOWTO (R_PPC64_GOT_TLSGD16_HA,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TLSGD16_HA", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Allocates two contiguous entries in the GOT to hold a tls_index structure,
+ with values (sym+add)@dtpmod and zero, and computes the offset to the
+ first entry relative to the TOC base (r2). */
+ HOWTO (R_PPC64_GOT_TLSLD16,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TLSLD16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_TLSLD16, but no overflow. */
+ HOWTO (R_PPC64_GOT_TLSLD16_LO,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TLSLD16_LO", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_TLSLD16_LO, but next higher group of 16 bits. */
+ HOWTO (R_PPC64_GOT_TLSLD16_HI,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TLSLD16_HI", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_TLSLD16_HI, but adjust for low 16 bits. */
+ HOWTO (R_PPC64_GOT_TLSLD16_HA,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TLSLD16_HA", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Allocates an entry in the GOT with value (sym+add)@dtprel, and computes
+ the offset to the entry relative to the TOC base (r2). */
+ HOWTO (R_PPC64_GOT_DTPREL16_DS,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_DTPREL16_DS", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_DTPREL16_DS, but no overflow. */
+ HOWTO (R_PPC64_GOT_DTPREL16_LO_DS,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_DTPREL16_LO_DS", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xfffc, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_DTPREL16_LO_DS, but next higher group of 16 bits. */
+ HOWTO (R_PPC64_GOT_DTPREL16_HI,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_DTPREL16_HI", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_DTPREL16_HI, but adjust for low 16 bits. */
+ HOWTO (R_PPC64_GOT_DTPREL16_HA,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_DTPREL16_HA", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Allocates an entry in the GOT with value (sym+add)@tprel, and computes the
+ offset to the entry relative to the TOC base (r2). */
+ HOWTO (R_PPC64_GOT_TPREL16_DS,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TPREL16_DS", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_TPREL16_DS, but no overflow. */
+ HOWTO (R_PPC64_GOT_TPREL16_LO_DS,
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TPREL16_LO_DS", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_TPREL16_LO_DS, but next higher group of 16 bits. */
+ HOWTO (R_PPC64_GOT_TPREL16_HI,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TPREL16_HI", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like GOT_TPREL16_HI, but adjust for low 16 bits. */
+ HOWTO (R_PPC64_GOT_TPREL16_HA,
+ 16, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ ppc64_elf_unhandled_reloc, /* special_function */
+ "R_PPC64_GOT_TPREL16_HA", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable hierarchy. */
+ HOWTO (R_PPC64_GNU_VTINHERIT, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ NULL, /* special_function */
+ "R_PPC64_GNU_VTINHERIT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable member usage. */
+ HOWTO (R_PPC64_GNU_VTENTRY, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ NULL, /* special_function */
+ "R_PPC64_GNU_VTENTRY", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+};
+
+\f
+/* Initialize the ppc64_elf_howto_table, so that linear accesses can
+ be done. */
+
+static void
+ppc_howto_init ()
+{
+ unsigned int i, type;
+
+ for (i = 0;
+ i < sizeof (ppc64_elf_howto_raw) / sizeof (ppc64_elf_howto_raw[0]);
+ i++)
+ {
+ type = ppc64_elf_howto_raw[i].type;
+ BFD_ASSERT (type < (sizeof (ppc64_elf_howto_table)
+ / sizeof (ppc64_elf_howto_table[0])));
+ ppc64_elf_howto_table[type] = &ppc64_elf_howto_raw[i];
+ }
+}
+
+static reloc_howto_type *
+ppc64_elf_reloc_type_lookup (abfd, code)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ bfd_reloc_code_real_type code;
+{
+ enum elf_ppc64_reloc_type r = R_PPC64_NONE;
+
+ if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
+ /* Initialize howto table if needed. */
+ ppc_howto_init ();
+
+ switch ((int) code)
+ {
+ default:
+ return (reloc_howto_type *) NULL;
+
+ case BFD_RELOC_NONE: r = R_PPC64_NONE;
+ break;
+ case BFD_RELOC_32: r = R_PPC64_ADDR32;
+ break;
+ case BFD_RELOC_PPC_BA26: r = R_PPC64_ADDR24;
+ break;
+ case BFD_RELOC_16: r = R_PPC64_ADDR16;
+ break;
+ case BFD_RELOC_LO16: r = R_PPC64_ADDR16_LO;
+ break;
+ case BFD_RELOC_HI16: r = R_PPC64_ADDR16_HI;
+ break;
+ case BFD_RELOC_HI16_S: r = R_PPC64_ADDR16_HA;
+ break;
+ case BFD_RELOC_PPC_BA16: r = R_PPC64_ADDR14;
+ break;
+ case BFD_RELOC_PPC_BA16_BRTAKEN: r = R_PPC64_ADDR14_BRTAKEN;
+ break;
+ case BFD_RELOC_PPC_BA16_BRNTAKEN: r = R_PPC64_ADDR14_BRNTAKEN;
+ break;
+ case BFD_RELOC_PPC_B26: r = R_PPC64_REL24;
+ break;
+ case BFD_RELOC_PPC_B16: r = R_PPC64_REL14;
+ break;
+ case BFD_RELOC_PPC_B16_BRTAKEN: r = R_PPC64_REL14_BRTAKEN;
+ break;
+ case BFD_RELOC_PPC_B16_BRNTAKEN: r = R_PPC64_REL14_BRNTAKEN;
+ break;
+ case BFD_RELOC_16_GOTOFF: r = R_PPC64_GOT16;
+ break;
+ case BFD_RELOC_LO16_GOTOFF: r = R_PPC64_GOT16_LO;
+ break;
+ case BFD_RELOC_HI16_GOTOFF: r = R_PPC64_GOT16_HI;
+ break;
+ case BFD_RELOC_HI16_S_GOTOFF: r = R_PPC64_GOT16_HA;
+ break;
+ case BFD_RELOC_PPC_COPY: r = R_PPC64_COPY;
+ break;
+ case BFD_RELOC_PPC_GLOB_DAT: r = R_PPC64_GLOB_DAT;
+ break;
+ case BFD_RELOC_32_PCREL: r = R_PPC64_REL32;
+ break;
+ case BFD_RELOC_32_PLTOFF: r = R_PPC64_PLT32;
+ break;
+ case BFD_RELOC_32_PLT_PCREL: r = R_PPC64_PLTREL32;
+ break;
+ case BFD_RELOC_LO16_PLTOFF: r = R_PPC64_PLT16_LO;
+ break;
+ case BFD_RELOC_HI16_PLTOFF: r = R_PPC64_PLT16_HI;
+ break;
+ case BFD_RELOC_HI16_S_PLTOFF: r = R_PPC64_PLT16_HA;
+ break;
+ case BFD_RELOC_16_BASEREL: r = R_PPC64_SECTOFF;
+ break;
+ case BFD_RELOC_LO16_BASEREL: r = R_PPC64_SECTOFF_LO;
+ break;
+ case BFD_RELOC_HI16_BASEREL: r = R_PPC64_SECTOFF_HI;
+ break;
+ case BFD_RELOC_HI16_S_BASEREL: r = R_PPC64_SECTOFF_HA;
+ break;
+ case BFD_RELOC_CTOR: r = R_PPC64_ADDR64;
+ break;
+ case BFD_RELOC_64: r = R_PPC64_ADDR64;
+ break;
+ case BFD_RELOC_PPC64_HIGHER: r = R_PPC64_ADDR16_HIGHER;
+ break;
+ case BFD_RELOC_PPC64_HIGHER_S: r = R_PPC64_ADDR16_HIGHERA;
+ break;
+ case BFD_RELOC_PPC64_HIGHEST: r = R_PPC64_ADDR16_HIGHEST;
+ break;
+ case BFD_RELOC_PPC64_HIGHEST_S: r = R_PPC64_ADDR16_HIGHESTA;
+ break;
+ case BFD_RELOC_64_PCREL: r = R_PPC64_REL64;
+ break;
+ case BFD_RELOC_64_PLTOFF: r = R_PPC64_PLT64;
+ break;
+ case BFD_RELOC_64_PLT_PCREL: r = R_PPC64_PLTREL64;
+ break;
+ case BFD_RELOC_PPC_TOC16: r = R_PPC64_TOC16;
+ break;
+ case BFD_RELOC_PPC64_TOC16_LO: r = R_PPC64_TOC16_LO;
+ break;
+ case BFD_RELOC_PPC64_TOC16_HI: r = R_PPC64_TOC16_HI;
+ break;
+ case BFD_RELOC_PPC64_TOC16_HA: r = R_PPC64_TOC16_HA;
+ break;
+ case BFD_RELOC_PPC64_TOC: r = R_PPC64_TOC;
+ break;
+ case BFD_RELOC_PPC64_PLTGOT16: r = R_PPC64_PLTGOT16;
+ break;
+ case BFD_RELOC_PPC64_PLTGOT16_LO: r = R_PPC64_PLTGOT16_LO;
+ break;
+ case BFD_RELOC_PPC64_PLTGOT16_HI: r = R_PPC64_PLTGOT16_HI;
+ break;
+ case BFD_RELOC_PPC64_PLTGOT16_HA: r = R_PPC64_PLTGOT16_HA;
+ break;
+ case BFD_RELOC_PPC64_ADDR16_DS: r = R_PPC64_ADDR16_DS;
+ break;
+ case BFD_RELOC_PPC64_ADDR16_LO_DS: r = R_PPC64_ADDR16_LO_DS;
+ break;
+ case BFD_RELOC_PPC64_GOT16_DS: r = R_PPC64_GOT16_DS;
+ break;
+ case BFD_RELOC_PPC64_GOT16_LO_DS: r = R_PPC64_GOT16_LO_DS;
+ break;
+ case BFD_RELOC_PPC64_PLT16_LO_DS: r = R_PPC64_PLT16_LO_DS;
+ break;
+ case BFD_RELOC_PPC64_SECTOFF_DS: r = R_PPC64_SECTOFF_DS;
+ break;
+ case BFD_RELOC_PPC64_SECTOFF_LO_DS: r = R_PPC64_SECTOFF_LO_DS;
+ break;
+ case BFD_RELOC_PPC64_TOC16_DS: r = R_PPC64_TOC16_DS;
+ break;
+ case BFD_RELOC_PPC64_TOC16_LO_DS: r = R_PPC64_TOC16_LO_DS;
+ break;
+ case BFD_RELOC_PPC64_PLTGOT16_DS: r = R_PPC64_PLTGOT16_DS;
+ break;
+ case BFD_RELOC_PPC64_PLTGOT16_LO_DS: r = R_PPC64_PLTGOT16_LO_DS;
+ break;
+ case BFD_RELOC_PPC_TLS: r = R_PPC64_TLS;
+ break;
+ case BFD_RELOC_PPC_DTPMOD: r = R_PPC64_DTPMOD64;
+ break;
+ case BFD_RELOC_PPC_TPREL16: r = R_PPC64_TPREL16;
+ break;
+ case BFD_RELOC_PPC_TPREL16_LO: r = R_PPC64_TPREL16_LO;
+ break;
+ case BFD_RELOC_PPC_TPREL16_HI: r = R_PPC64_TPREL16_HI;
+ break;
+ case BFD_RELOC_PPC_TPREL16_HA: r = R_PPC64_TPREL16_HA;
+ break;
+ case BFD_RELOC_PPC_TPREL: r = R_PPC64_TPREL64;
+ break;
+ case BFD_RELOC_PPC_DTPREL16: r = R_PPC64_DTPREL16;
+ break;
+ case BFD_RELOC_PPC_DTPREL16_LO: r = R_PPC64_DTPREL16_LO;
+ break;
+ case BFD_RELOC_PPC_DTPREL16_HI: r = R_PPC64_DTPREL16_HI;
+ break;
+ case BFD_RELOC_PPC_DTPREL16_HA: r = R_PPC64_DTPREL16_HA;
+ break;
+ case BFD_RELOC_PPC_DTPREL: r = R_PPC64_DTPREL64;
+ break;
+ case BFD_RELOC_PPC_GOT_TLSGD16: r = R_PPC64_GOT_TLSGD16;
+ break;
+ case BFD_RELOC_PPC_GOT_TLSGD16_LO: r = R_PPC64_GOT_TLSGD16_LO;
+ break;
+ case BFD_RELOC_PPC_GOT_TLSGD16_HI: r = R_PPC64_GOT_TLSGD16_HI;
+ break;
+ case BFD_RELOC_PPC_GOT_TLSGD16_HA: r = R_PPC64_GOT_TLSGD16_HA;
+ break;
+ case BFD_RELOC_PPC_GOT_TLSLD16: r = R_PPC64_GOT_TLSLD16;
+ break;
+ case BFD_RELOC_PPC_GOT_TLSLD16_LO: r = R_PPC64_GOT_TLSLD16_LO;
+ break;
+ case BFD_RELOC_PPC_GOT_TLSLD16_HI: r = R_PPC64_GOT_TLSLD16_HI;
+ break;
+ case BFD_RELOC_PPC_GOT_TLSLD16_HA: r = R_PPC64_GOT_TLSLD16_HA;
+ break;
+ case BFD_RELOC_PPC_GOT_TPREL16: r = R_PPC64_GOT_TPREL16_DS;
+ break;
+ case BFD_RELOC_PPC_GOT_TPREL16_LO: r = R_PPC64_GOT_TPREL16_LO_DS;
+ break;
+ case BFD_RELOC_PPC_GOT_TPREL16_HI: r = R_PPC64_GOT_TPREL16_HI;
+ break;
+ case BFD_RELOC_PPC_GOT_TPREL16_HA: r = R_PPC64_GOT_TPREL16_HA;
+ break;
+ case BFD_RELOC_PPC_GOT_DTPREL16: r = R_PPC64_GOT_DTPREL16_DS;
+ break;
+ case BFD_RELOC_PPC_GOT_DTPREL16_LO: r = R_PPC64_GOT_DTPREL16_LO_DS;
+ break;
+ case BFD_RELOC_PPC_GOT_DTPREL16_HI: r = R_PPC64_GOT_DTPREL16_HI;
+ break;
+ case BFD_RELOC_PPC_GOT_DTPREL16_HA: r = R_PPC64_GOT_DTPREL16_HA;
+ break;
+ case BFD_RELOC_PPC64_TPREL16_DS: r = R_PPC64_TPREL16_DS;
+ break;
+ case BFD_RELOC_PPC64_TPREL16_LO_DS: r = R_PPC64_TPREL16_LO_DS;
+ break;
+ case BFD_RELOC_PPC64_TPREL16_HIGHER: r = R_PPC64_TPREL16_HIGHER;
+ break;
+ case BFD_RELOC_PPC64_TPREL16_HIGHERA: r = R_PPC64_TPREL16_HIGHERA;
+ break;
+ case BFD_RELOC_PPC64_TPREL16_HIGHEST: r = R_PPC64_TPREL16_HIGHEST;
+ break;
+ case BFD_RELOC_PPC64_TPREL16_HIGHESTA: r = R_PPC64_TPREL16_HIGHESTA;
+ break;
+ case BFD_RELOC_PPC64_DTPREL16_DS: r = R_PPC64_DTPREL16_DS;
+ break;
+ case BFD_RELOC_PPC64_DTPREL16_LO_DS: r = R_PPC64_DTPREL16_LO_DS;
+ break;
+ case BFD_RELOC_PPC64_DTPREL16_HIGHER: r = R_PPC64_DTPREL16_HIGHER;
+ break;
+ case BFD_RELOC_PPC64_DTPREL16_HIGHERA: r = R_PPC64_DTPREL16_HIGHERA;
+ break;
+ case BFD_RELOC_PPC64_DTPREL16_HIGHEST: r = R_PPC64_DTPREL16_HIGHEST;
+ break;
+ case BFD_RELOC_PPC64_DTPREL16_HIGHESTA: r = R_PPC64_DTPREL16_HIGHESTA;
+ break;
+ case BFD_RELOC_VTABLE_INHERIT: r = R_PPC64_GNU_VTINHERIT;
+ break;
+ case BFD_RELOC_VTABLE_ENTRY: r = R_PPC64_GNU_VTENTRY;
+ break;
+ }
+
+ return ppc64_elf_howto_table[(int) r];
+};
+
+/* Set the howto pointer for a PowerPC ELF reloc. */
+
+static void
+ppc64_elf_info_to_howto (abfd, cache_ptr, dst)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *cache_ptr;
+ Elf_Internal_Rela *dst;
+{
+ unsigned int type;
+
+ /* Initialize howto table if needed. */
+ if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
+ ppc_howto_init ();
+
+ type = ELF64_R_TYPE (dst->r_info);
+ BFD_ASSERT (type < (sizeof (ppc64_elf_howto_table)
+ / sizeof (ppc64_elf_howto_table[0])));
+ cache_ptr->howto = ppc64_elf_howto_table[type];
+}
+
+/* Handle the R_PPC64_ADDR16_HA and similar relocs. */
+
+static bfd_reloc_status_type
+ppc64_elf_ha_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message)
+ bfd *abfd;
arelent *reloc_entry;
asymbol *symbol;
PTR data;
char **error_message;
{
long insn;
- enum elf_ppc_reloc_type r_type;
+ enum elf_ppc64_reloc_type r_type;
bfd_size_type octets;
/* Disabled until we sort out how ld should choose 'y' vs 'at'. */
- boolean is_power4 = false;
+ bfd_boolean is_power4 = FALSE;
/* If this is a relocatable link (output_bfd test tells us), just
call the generic function. Any adjustment will be done at final
octets = reloc_entry->address * bfd_octets_per_byte (abfd);
insn = bfd_get_32 (abfd, (bfd_byte *) data + octets);
insn &= ~(0x01 << 21);
- r_type = (enum elf_ppc_reloc_type) reloc_entry->howto->type;
+ r_type = (enum elf_ppc64_reloc_type) reloc_entry->howto->type;
if (r_type == R_PPC64_ADDR14_BRTAKEN
|| r_type == R_PPC64_REL14_BRTAKEN)
insn |= 0x01 << 21; /* 'y' or 't' bit, lowest bit of BO field. */
return bfd_reloc_dangerous;
}
-/* Return symbol info as per usual for ELF targets, except that
- symbols in .opd are given 'd' or 'D' for type. */
+/* Fix bad default arch selected for a 64 bit input bfd when the
+ default is 32 bit. */
-static void
-ppc64_elf_get_symbol_info (abfd, symbol, ret)
+static bfd_boolean
+ppc64_elf_object_p (abfd)
bfd *abfd;
- asymbol *symbol;
- symbol_info *ret;
{
- _bfd_elf_get_symbol_info (abfd, symbol, ret);
- if (ret->type == '?'
- && (symbol->flags & (BSF_GLOBAL | BSF_LOCAL)) != 0
- && strcmp (symbol->section->name, ".opd") == 0)
- ret->type = (symbol->flags & BSF_GLOBAL) != 0 ? 'D' : 'd';
-}
-
-/* Function to set whether a module needs the -mrelocatable bit set. */
-
-static boolean
-ppc64_elf_set_private_flags (abfd, flags)
- bfd *abfd;
- flagword flags;
-{
- BFD_ASSERT (!elf_flags_init (abfd)
- || elf_elfheader (abfd)->e_flags == flags);
+ if (abfd->arch_info->the_default && abfd->arch_info->bits_per_word == 32)
+ {
+ Elf_Internal_Ehdr *i_ehdr = elf_elfheader (abfd);
- elf_elfheader (abfd)->e_flags = flags;
- elf_flags_init (abfd) = true;
- return true;
+ if (i_ehdr->e_ident[EI_CLASS] == ELFCLASS64)
+ {
+ /* Relies on arch after 32 bit default being 64 bit default. */
+ abfd->arch_info = abfd->arch_info->next;
+ BFD_ASSERT (abfd->arch_info->bits_per_word == 64);
+ }
+ }
+ return TRUE;
}
/* Merge backend specific data from an object file to the output
object file when linking. */
-static boolean
+
+static bfd_boolean
ppc64_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
+ && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
&& obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
{
const char *msg;
(*_bfd_error_handler) (msg, bfd_archive_filename (ibfd));
bfd_set_error (bfd_error_wrong_format);
- return false;
+ 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;
- }
-
- 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_archive_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_archive_filename (ibfd));
- }
-
- /* The output is -mrelocatable-lib iff both the input files are. */
- if (! (new_flags & EF_PPC_RELOCATABLE_LIB))
- elf_elfheader (obfd)->e_flags &= ~EF_PPC_RELOCATABLE_LIB;
-
- /* The output is -mrelocatable iff it can't be -mrelocatable-lib,
- but each input file is either -mrelocatable or -mrelocatable-lib. */
- if (! (elf_elfheader (obfd)->e_flags & EF_PPC_RELOCATABLE_LIB)
- && (new_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE))
- && (old_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE)))
- elf_elfheader (obfd)->e_flags |= EF_PPC_RELOCATABLE;
-
- /* 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_archive_filename (ibfd), (long) new_flags, (long) old_flags);
- }
-
- if (error)
- {
- bfd_set_error (bfd_error_bad_value);
- return false;
- }
- }
-
- return true;
+ return TRUE;
}
-/* 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
-ppc64_elf_section_from_shdr (abfd, hdr, name)
- bfd *abfd;
- Elf64_Internal_Shdr *hdr;
- const char *name;
+struct _ppc64_elf_section_data
{
- asection *newsect;
- flagword flags;
+ struct bfd_elf_section_data elf;
+
+ /* An array with one entry for each opd function descriptor. */
+ union
+ {
+ /* Points to the function code section for local opd entries. */
+ asection **func_sec;
+ /* After editing .opd, adjust references to opd local syms. */
+ long *adjust;
+ } opd;
+
+ /* An array for toc sections, indexed by offset/8.
+ Specifies the relocation symbol index used at a given toc offset. */
+ unsigned *t_symndx;
+};
- if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
- return false;
+#define ppc64_elf_section_data(sec) \
+ ((struct _ppc64_elf_section_data *) elf_section_data (sec))
- newsect = hdr->bfd_section;
- flags = bfd_get_section_flags (abfd, newsect);
- if (hdr->sh_flags & SHF_EXCLUDE)
- flags |= SEC_EXCLUDE;
+static bfd_boolean
+ppc64_elf_new_section_hook (abfd, sec)
+ bfd *abfd;
+ asection *sec;
+{
+ struct _ppc64_elf_section_data *sdata;
+ bfd_size_type amt = sizeof (*sdata);
- if (hdr->sh_type == SHT_ORDERED)
- flags |= SEC_SORT_ENTRIES;
+ sdata = (struct _ppc64_elf_section_data *) bfd_zalloc (abfd, amt);
+ if (sdata == NULL)
+ return FALSE;
+ sec->used_by_bfd = (PTR) sdata;
- bfd_set_section_flags (abfd, newsect, flags);
- return true;
+ return _bfd_elf_new_section_hook (abfd, sec);
}
\f
/* The following functions are specific to the ELF linker, while
.
. .foo_stub:
. addis 12,2,Lfoo@toc@ha # in practice, the call stub
- . addi 12,12,Lfoo@toc@l # is slightly optimised, but
+ . addi 12,12,Lfoo@toc@l # is slightly optimized, but
. std 2,40(1) # this is the general idea
. ld 11,0(12)
. ld 2,8(12)
{
struct ppc_dyn_relocs *next;
- /* The input section of the reloc. */
- asection *sec;
+ /* The input section of the reloc. */
+ asection *sec;
+
+ /* Total number of relocs copied for the input section. */
+ bfd_size_type count;
+
+ /* Number of pc-relative relocs copied for the input section. */
+ bfd_size_type pc_count;
+};
+
+/* Track GOT entries needed for a given symbol. We might need more
+ than one got entry per symbol. */
+struct got_entry
+{
+ struct got_entry *next;
+
+ bfd_vma addend;
+
+ union
+ {
+ bfd_signed_vma refcount;
+ bfd_vma offset;
+ } got;
+
+ char tls_type;
+};
+
+/* The same for PLT. */
+struct plt_entry
+{
+ struct plt_entry *next;
- /* Total number of relocs copied for the input section. */
- bfd_size_type count;
+ bfd_vma addend;
- /* Number of pc-relative relocs copied for the input section. */
- bfd_size_type pc_count;
+ union
+ {
+ bfd_signed_vma refcount;
+ bfd_vma offset;
+ } plt;
};
/* Of those relocs that might be copied as dynamic relocs, this macro
- selects between relative and absolute types. */
+ selects those that must be copied when linking a shared library. */
-#define IS_ABSOLUTE_RELOC(RTYPE) \
+#define MUST_BE_DYN_RELOC(RTYPE) \
((RTYPE) != R_PPC64_REL32 \
&& (RTYPE) != R_PPC64_REL64 \
- && (RTYPE) != R_PPC64_ADDR30)
+ && (RTYPE) != R_PPC64_REL30)
/* Section name for stubs is the associated section name plus this
string. */
ppc_stub_plt_branch:
Similar to the above, but a 24 bit branch in the stub section won't
reach its destination.
- . addis %r12,%r2,xxx@ha
- . ld %r11,xxx@l(%r12)
+ . addis %r12,%r2,xxx@toc@ha
+ . ld %r11,xxx@toc@l(%r12)
. mtctr %r11
. bctr
ppc_stub_plt_call:
Used to call a function in a shared library.
- . addis %r12,%r2,xxx@ha
+ . addis %r12,%r2,xxx@toc@ha
. std %r2,40(%r1)
- . ld %r11,xxx+0@l(%r12)
- . ld %r2,xxx+8@l(%r12)
+ . ld %r11,xxx+0@toc@l(%r12)
+ . ld %r2,xxx+8@toc@l(%r12)
. mtctr %r11
- . ld %r11,xxx+16@l(%r12)
+ . ld %r11,xxx+16@toc@l(%r12)
. bctr
*/
/* The symbol table entry, if any, that this was derived from. */
struct ppc_link_hash_entry *h;
+ /* And the reloc addend that this was derived from. */
+ bfd_vma addend;
+
/* Where this stub is being called from, or, in the case of combined
stub sections, the first input section in the group. */
asection *id_sec;
/* Flag function code and descriptor symbols. */
unsigned int is_func:1;
unsigned int is_func_descriptor:1;
+ unsigned int is_entry:1;
+
+ /* Contexts in which symbol is used in the GOT (or TOC).
+ Linker optimization will result in various transformations. */
+#define TLS_TLS 1 /* Any TLS reloc. */
+#define TLS_GD_LD 2 /* GD or LD reloc requiring 2 got slots. */
+#define TLS_LD 4 /* LD reloc. */
+#define TLS_TPREL 8 /* TPREL reloc, => IE. */
+#define TLS_DTPREL 16 /* DTPREL reloc, => LD. */
+#define TLS_EXPLICIT 32 /* Marks TOC section relocs. */
+ char tls_type;
};
/* ppc64 ELF linker hash table. */
} *stub_group;
/* Assorted information used by ppc64_elf_size_stubs. */
- unsigned int bfd_count;
int top_index;
asection **input_list;
- Elf_Internal_Sym **all_local_syms;
/* Short-cuts to get to dynamic linker sections. */
asection *sgot;
asection *sbrlt;
asection *srelbrlt;
+ /* Short-cut to first output tls section. */
+ asection *tls_sec;
+
+ /* Shortcut to .__tls_get_addr. */
+ struct elf_link_hash_entry *tls_get_addr;
+
+ /* TLS local dynamic got entry handling. */
+ union {
+ bfd_signed_vma refcount;
+ bfd_vma offset;
+ } tlsld_got;
+
/* Set on error. */
unsigned int stub_error;
const Elf_Internal_Rela *, struct ppc_link_hash_table *));
static struct ppc_stub_hash_entry *ppc_add_stub
PARAMS ((const char *, asection *, struct ppc_link_hash_table *));
-static boolean create_linkage_sections
+static bfd_boolean create_linkage_sections
PARAMS ((bfd *, struct bfd_link_info *));
-static boolean create_got_section
+static bfd_boolean create_got_section
PARAMS ((bfd *, struct bfd_link_info *));
-static boolean ppc64_elf_create_dynamic_sections
+static bfd_boolean ppc64_elf_create_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
static void ppc64_elf_copy_indirect_symbol
- PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
-static boolean ppc64_elf_check_relocs
+ PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
+ struct elf_link_hash_entry *));
+static bfd_boolean update_local_sym_info
+ PARAMS ((bfd *, Elf_Internal_Shdr *, unsigned long, bfd_vma, int));
+static bfd_boolean update_plt_info
+ PARAMS ((bfd *, struct ppc_link_hash_entry *, bfd_vma));
+static bfd_boolean ppc64_elf_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
static asection * ppc64_elf_gc_mark_hook
- PARAMS ((bfd *abfd, struct bfd_link_info *info, Elf_Internal_Rela *rel,
- struct elf_link_hash_entry *h, Elf_Internal_Sym *sym));
-static boolean ppc64_elf_gc_sweep_hook
- PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *sec,
- const Elf_Internal_Rela *relocs));
-static boolean func_desc_adjust
+ PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
+ struct elf_link_hash_entry *, Elf_Internal_Sym *));
+static bfd_boolean ppc64_elf_gc_sweep_hook
+ PARAMS ((bfd *, struct bfd_link_info *, asection *,
+ const Elf_Internal_Rela *));
+static bfd_boolean func_desc_adjust
PARAMS ((struct elf_link_hash_entry *, PTR));
-static boolean ppc64_elf_func_desc_adjust
+static bfd_boolean ppc64_elf_func_desc_adjust
PARAMS ((bfd *, struct bfd_link_info *));
-static boolean ppc64_elf_adjust_dynamic_symbol
+static bfd_boolean ppc64_elf_adjust_dynamic_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
static void ppc64_elf_hide_symbol
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, boolean));
-static boolean allocate_dynrelocs
+ PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean));
+static bfd_boolean get_sym_h
+ PARAMS ((struct elf_link_hash_entry **, Elf_Internal_Sym **, asection **,
+ char **, Elf_Internal_Sym **, unsigned long, bfd *));
+static bfd_boolean get_tls_type
+ PARAMS ((char **, Elf_Internal_Sym **, const Elf_Internal_Rela *, bfd *));
+static bfd_boolean allocate_dynrelocs
PARAMS ((struct elf_link_hash_entry *, PTR));
-static boolean readonly_dynrelocs
+static bfd_boolean readonly_dynrelocs
PARAMS ((struct elf_link_hash_entry *, PTR));
static enum elf_reloc_type_class ppc64_elf_reloc_type_class
PARAMS ((const Elf_Internal_Rela *));
-static boolean ppc64_elf_size_dynamic_sections
+static bfd_boolean ppc64_elf_size_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
-static INLINE enum ppc_stub_type ppc_type_of_stub
+static enum ppc_stub_type ppc_type_of_stub
PARAMS ((asection *, const Elf_Internal_Rela *,
struct ppc_link_hash_entry **, bfd_vma));
static bfd_byte *build_plt_stub
PARAMS ((bfd *, bfd_byte *, int, int));
-static boolean ppc_build_one_stub
+static bfd_boolean ppc_build_one_stub
PARAMS ((struct bfd_hash_entry *, PTR));
-static boolean ppc_size_one_stub
+static bfd_boolean ppc_size_one_stub
PARAMS ((struct bfd_hash_entry *, PTR));
static void group_sections
- PARAMS ((struct ppc_link_hash_table *, bfd_size_type, boolean));
-static boolean get_local_syms
- PARAMS ((bfd *, struct ppc_link_hash_table *));
-static boolean ppc64_elf_fake_sections
- PARAMS ((bfd *, Elf64_Internal_Shdr *, asection *));
-static boolean ppc64_elf_relocate_section
+ PARAMS ((struct ppc_link_hash_table *, bfd_size_type, bfd_boolean));
+static bfd_boolean ppc64_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 ppc64_elf_finish_dynamic_symbol
+static bfd_boolean ppc64_elf_finish_dynamic_symbol
PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
Elf_Internal_Sym *));
-static boolean ppc64_elf_finish_dynamic_sections
+static bfd_boolean ppc64_elf_finish_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
/* Get the ppc64 ELF linker hash table from a link_info structure. */
eh->oh = NULL;
eh->is_func = 0;
eh->is_func_descriptor = 0;
+ eh->is_entry = 0;
+ eh->tls_type = 0;
}
return entry;
htab->sfpr = NULL;
htab->sbrlt = NULL;
htab->srelbrlt = NULL;
+ htab->tls_sec = NULL;
+ htab->tlsld_got.refcount = 0;
htab->stub_error = 0;
htab->has_14bit_branch = 0;
htab->have_undefweak = 0;
htab->stub_iteration = 0;
htab->sym_sec.abfd = NULL;
+ htab->elf.init_refcount.glist = NULL;
+ htab->elf.init_offset.glist = NULL;
return &htab->elf.root;
}
{
char *stub_name;
- stub_name = ppc_stub_name (id_sec, sym_sec, h, rel);
- if (stub_name == NULL)
- return NULL;
+ stub_name = ppc_stub_name (id_sec, sym_sec, h, rel);
+ if (stub_name == NULL)
+ return NULL;
+
+ stub_entry = ppc_stub_hash_lookup (&htab->stub_hash_table,
+ stub_name, FALSE, FALSE);
+ if (h != NULL)
+ h->stub_cache = stub_entry;
+
+ free (stub_name);
+ }
+
+ return stub_entry;
+}
+
+/* Add a new stub entry to the stub hash. Not all fields of the new
+ stub entry are initialised. */
+
+static struct ppc_stub_hash_entry *
+ppc_add_stub (stub_name, section, htab)
+ const char *stub_name;
+ asection *section;
+ struct ppc_link_hash_table *htab;
+{
+ asection *link_sec;
+ asection *stub_sec;
+ struct ppc_stub_hash_entry *stub_entry;
+
+ link_sec = htab->stub_group[section->id].link_sec;
+ stub_sec = htab->stub_group[section->id].stub_sec;
+ if (stub_sec == NULL)
+ {
+ stub_sec = htab->stub_group[link_sec->id].stub_sec;
+ if (stub_sec == NULL)
+ {
+ size_t namelen;
+ bfd_size_type len;
+ char *s_name;
+
+ namelen = strlen (link_sec->name);
+ len = namelen + sizeof (STUB_SUFFIX);
+ s_name = bfd_alloc (htab->stub_bfd, len);
+ if (s_name == NULL)
+ return NULL;
+
+ memcpy (s_name, link_sec->name, namelen);
+ memcpy (s_name + namelen, STUB_SUFFIX, sizeof (STUB_SUFFIX));
+ stub_sec = (*htab->add_stub_section) (s_name, link_sec);
+ if (stub_sec == NULL)
+ return NULL;
+ htab->stub_group[link_sec->id].stub_sec = stub_sec;
+ }
+ htab->stub_group[section->id].stub_sec = stub_sec;
+ }
+
+ /* Enter this entry into the linker stub hash table. */
+ stub_entry = ppc_stub_hash_lookup (&htab->stub_hash_table, stub_name,
+ TRUE, FALSE);
+ if (stub_entry == NULL)
+ {
+ (*_bfd_error_handler) (_("%s: cannot create stub entry %s"),
+ bfd_archive_filename (section->owner),
+ stub_name);
+ return NULL;
+ }
+
+ stub_entry->stub_sec = stub_sec;
+ stub_entry->stub_offset = 0;
+ stub_entry->id_sec = link_sec;
+ return stub_entry;
+}
+
+/* Create sections for linker generated code. */
+
+static bfd_boolean
+create_linkage_sections (dynobj, info)
+ bfd *dynobj;
+ struct bfd_link_info *info;
+{
+ struct ppc_link_hash_table *htab;
+ flagword flags;
+
+ htab = ppc_hash_table (info);
+
+ /* Create .sfpr for code to save and restore fp regs. */
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_READONLY
+ | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
+ htab->sfpr = bfd_make_section_anyway (dynobj, ".sfpr");
+ if (htab->sfpr == NULL
+ || ! bfd_set_section_flags (dynobj, htab->sfpr, flags)
+ || ! bfd_set_section_alignment (dynobj, htab->sfpr, 2))
+ return FALSE;
+
+ /* Create .glink for lazy dynamic linking support. */
+ htab->sglink = bfd_make_section_anyway (dynobj, ".glink");
+ if (htab->sglink == NULL
+ || ! bfd_set_section_flags (dynobj, htab->sglink, flags)
+ || ! bfd_set_section_alignment (dynobj, htab->sglink, 2))
+ return FALSE;
+
+ /* Create .branch_lt for plt_branch stubs. */
+ flags = (SEC_ALLOC | SEC_LOAD
+ | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
+ htab->sbrlt = bfd_make_section_anyway (dynobj, ".branch_lt");
+ if (htab->sbrlt == NULL
+ || ! bfd_set_section_flags (dynobj, htab->sbrlt, flags)
+ || ! bfd_set_section_alignment (dynobj, htab->sbrlt, 3))
+ return FALSE;
+
+ if (info->shared)
+ {
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY
+ | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
+ htab->srelbrlt = bfd_make_section_anyway (dynobj, ".rela.branch_lt");
+ if (!htab->srelbrlt
+ || ! bfd_set_section_flags (dynobj, htab->srelbrlt, flags)
+ || ! bfd_set_section_alignment (dynobj, htab->srelbrlt, 3))
+ return FALSE;
+ }
+ return TRUE;
+}
+
+/* Create .got and .rela.got sections in DYNOBJ, and set up
+ shortcuts to them in our hash table. */
+
+static bfd_boolean
+create_got_section (dynobj, info)
+ bfd *dynobj;
+ struct bfd_link_info *info;
+{
+ struct ppc_link_hash_table *htab;
+
+ if (! _bfd_elf_create_got_section (dynobj, info))
+ return FALSE;
+
+ htab = ppc_hash_table (info);
+ htab->sgot = bfd_get_section_by_name (dynobj, ".got");
+ if (!htab->sgot)
+ abort ();
+
+ htab->srelgot = bfd_make_section (dynobj, ".rela.got");
+ if (!htab->srelgot
+ || ! bfd_set_section_flags (dynobj, htab->srelgot,
+ (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY | SEC_LINKER_CREATED
+ | SEC_READONLY))
+ || ! bfd_set_section_alignment (dynobj, htab->srelgot, 3))
+ return FALSE;
+ return TRUE;
+}
+
+/* Create the dynamic sections, and set up shortcuts. */
+
+static bfd_boolean
+ppc64_elf_create_dynamic_sections (dynobj, info)
+ bfd *dynobj;
+ struct bfd_link_info *info;
+{
+ struct ppc_link_hash_table *htab;
+
+ htab = ppc_hash_table (info);
+ if (!htab->sgot && !create_got_section (dynobj, info))
+ return FALSE;
+
+ if (!_bfd_elf_create_dynamic_sections (dynobj, info))
+ return FALSE;
+
+ htab->splt = bfd_get_section_by_name (dynobj, ".plt");
+ htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt");
+ htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
+ if (!info->shared)
+ htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
+
+ if (!htab->splt || !htab->srelplt || !htab->sdynbss
+ || (!info->shared && !htab->srelbss))
+ abort ();
+
+ return TRUE;
+}
+
+/* Copy the extra info we tack onto an elf_link_hash_entry. */
+
+static void
+ppc64_elf_copy_indirect_symbol (bed, dir, ind)
+ struct elf_backend_data *bed ATTRIBUTE_UNUSED;
+ struct elf_link_hash_entry *dir, *ind;
+{
+ struct ppc_link_hash_entry *edir, *eind;
+
+ edir = (struct ppc_link_hash_entry *) dir;
+ eind = (struct ppc_link_hash_entry *) ind;
+
+ /* Copy over any dynamic relocs we may have on the indirect sym. */
+ if (eind->dyn_relocs != NULL)
+ {
+ if (edir->dyn_relocs != NULL)
+ {
+ struct ppc_dyn_relocs **pp;
+ struct ppc_dyn_relocs *p;
+
+ if (eind->elf.root.type == bfd_link_hash_indirect)
+ abort ();
+
+ /* Add reloc counts against the weak sym to the strong sym
+ list. Merge any entries against the same section. */
+ for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
+ {
+ struct ppc_dyn_relocs *q;
+
+ for (q = edir->dyn_relocs; q != NULL; q = q->next)
+ if (q->sec == p->sec)
+ {
+ q->pc_count += p->pc_count;
+ q->count += p->count;
+ *pp = p->next;
+ break;
+ }
+ if (q == NULL)
+ pp = &p->next;
+ }
+ *pp = edir->dyn_relocs;
+ }
+
+ edir->dyn_relocs = eind->dyn_relocs;
+ eind->dyn_relocs = NULL;
+ }
+
+ /* Do the same for got entries. */
+ if (eind->elf.got.glist != NULL)
+ {
+ if (edir->elf.got.glist != NULL)
+ {
+ struct got_entry **entp;
+ struct got_entry *ent;
+
+ for (entp = &eind->elf.got.glist; (ent = *entp) != NULL; )
+ {
+ struct got_entry *dent;
+
+ for (dent = edir->elf.got.glist; dent != NULL; dent = dent->next)
+ if (dent->addend == ent->addend
+ && dent->tls_type == ent->tls_type)
+ {
+ dent->got.refcount += ent->got.refcount;
+ *entp = ent->next;
+ break;
+ }
+ if (dent == NULL)
+ entp = &ent->next;
+ }
+ *entp = edir->elf.got.glist;
+ }
+
+ edir->elf.got.glist = eind->elf.got.glist;
+ eind->elf.got.glist = NULL;
+ }
+
+ /* And plt entries. */
+ if (eind->elf.plt.plist != NULL)
+ {
+ if (edir->elf.plt.plist != NULL)
+ {
+ struct plt_entry **entp;
+ struct plt_entry *ent;
+
+ for (entp = &eind->elf.plt.plist; (ent = *entp) != NULL; )
+ {
+ struct plt_entry *dent;
+
+ for (dent = edir->elf.plt.plist; dent != NULL; dent = dent->next)
+ if (dent->addend == ent->addend)
+ {
+ dent->plt.refcount += ent->plt.refcount;
+ *entp = ent->next;
+ break;
+ }
+ if (dent == NULL)
+ entp = &ent->next;
+ }
+ *entp = edir->elf.plt.plist;
+ }
+
+ edir->elf.plt.plist = eind->elf.plt.plist;
+ eind->elf.plt.plist = NULL;
+ }
+
+ edir->is_func |= eind->is_func;
+ edir->is_func_descriptor |= eind->is_func_descriptor;
+ edir->is_entry |= eind->is_entry;
+
+ /* Copy down any references that we may have already seen to the
+ symbol which just became indirect. */
+ edir->elf.elf_link_hash_flags |=
+ (eind->elf.elf_link_hash_flags
+ & (ELF_LINK_HASH_REF_DYNAMIC
+ | ELF_LINK_HASH_REF_REGULAR
+ | ELF_LINK_HASH_REF_REGULAR_NONWEAK
+ | ELF_LINK_NON_GOT_REF));
+
+ if (eind->elf.root.type != bfd_link_hash_indirect)
+ return;
+
+ if (edir->elf.dynindx == -1)
+ {
+ edir->elf.dynindx = eind->elf.dynindx;
+ edir->elf.dynstr_index = eind->elf.dynstr_index;
+ eind->elf.dynindx = -1;
+ eind->elf.dynstr_index = 0;
+ }
+ else
+ BFD_ASSERT (eind->elf.dynindx == -1);
+}
+
+/* Set a flag, used by ppc64_elf_gc_mark_hook, on the entry symbol and
+ symbols undefined on the command-line. */
+
+bfd_boolean
+ppc64_elf_mark_entry_syms (info)
+ struct bfd_link_info *info;
+{
+ struct ppc_link_hash_table *htab;
+ struct bfd_sym_chain *sym;
+
+ htab = ppc_hash_table (info);
+ for (sym = info->gc_sym_list; sym; sym = sym->next)
+ {
+ struct elf_link_hash_entry *h;
- stub_entry = ppc_stub_hash_lookup (&htab->stub_hash_table,
- stub_name, false, false);
+ h = elf_link_hash_lookup (&htab->elf, sym->name, FALSE, FALSE, FALSE);
if (h != NULL)
- h->stub_cache = stub_entry;
-
- free (stub_name);
+ ((struct ppc_link_hash_entry *) h)->is_entry = 1;
}
-
- return stub_entry;
+ return TRUE;
}
-/* Add a new stub entry to the stub hash. Not all fields of the new
- stub entry are initialised. */
-
-static struct ppc_stub_hash_entry *
-ppc_add_stub (stub_name, section, htab)
- const char *stub_name;
- asection *section;
- struct ppc_link_hash_table *htab;
+static bfd_boolean
+update_local_sym_info (abfd, symtab_hdr, r_symndx, r_addend, tls_type)
+ bfd *abfd;
+ Elf_Internal_Shdr *symtab_hdr;
+ unsigned long r_symndx;
+ bfd_vma r_addend;
+ int tls_type;
{
- asection *link_sec;
- asection *stub_sec;
- struct ppc_stub_hash_entry *stub_entry;
+ struct got_entry **local_got_ents = elf_local_got_ents (abfd);
+ char *local_got_tls_types;
- link_sec = htab->stub_group[section->id].link_sec;
- stub_sec = htab->stub_group[section->id].stub_sec;
- if (stub_sec == NULL)
+ if (local_got_ents == NULL)
{
- stub_sec = htab->stub_group[link_sec->id].stub_sec;
- if (stub_sec == NULL)
- {
- bfd_size_type len;
- char *s_name;
+ bfd_size_type size = symtab_hdr->sh_info;
- len = strlen (link_sec->name) + sizeof (STUB_SUFFIX);
- s_name = bfd_alloc (htab->stub_bfd, len);
- if (s_name == NULL)
- return NULL;
+ size *= sizeof (*local_got_ents) + sizeof (char);
+ local_got_ents = (struct got_entry **) bfd_zalloc (abfd, size);
+ if (local_got_ents == NULL)
+ return FALSE;
+ elf_local_got_ents (abfd) = local_got_ents;
+ }
- strcpy (s_name, link_sec->name);
- strcpy (s_name + len - sizeof (STUB_SUFFIX), STUB_SUFFIX);
- stub_sec = (*htab->add_stub_section) (s_name, link_sec);
- if (stub_sec == NULL)
- return NULL;
- htab->stub_group[link_sec->id].stub_sec = stub_sec;
+ if ((tls_type & TLS_EXPLICIT) == 0)
+ {
+ struct got_entry *ent;
+
+ for (ent = local_got_ents[r_symndx]; ent != NULL; ent = ent->next)
+ if (ent->addend == r_addend && ent->tls_type == tls_type)
+ break;
+ if (ent == NULL)
+ {
+ bfd_size_type amt = sizeof (*ent);
+ ent = (struct got_entry *) bfd_alloc (abfd, amt);
+ if (ent == NULL)
+ return FALSE;
+ ent->next = local_got_ents[r_symndx];
+ ent->addend = r_addend;
+ ent->tls_type = tls_type;
+ ent->got.refcount = 0;
+ local_got_ents[r_symndx] = ent;
}
- htab->stub_group[section->id].stub_sec = stub_sec;
+ ent->got.refcount += 1;
}
- /* Enter this entry into the linker stub hash table. */
- stub_entry = ppc_stub_hash_lookup (&htab->stub_hash_table, stub_name,
- true, false);
- if (stub_entry == NULL)
+ local_got_tls_types = (char *) (local_got_ents + symtab_hdr->sh_info);
+ local_got_tls_types[r_symndx] |= tls_type;
+ return TRUE;
+}
+
+static bfd_boolean
+update_plt_info (abfd, eh, addend)
+ bfd *abfd;
+ struct ppc_link_hash_entry *eh;
+ bfd_vma addend;
+{
+ struct plt_entry *ent;
+
+ for (ent = eh->elf.plt.plist; ent != NULL; ent = ent->next)
+ if (ent->addend == addend)
+ break;
+ if (ent == NULL)
{
- (*_bfd_error_handler) (_("%s: cannot create stub entry %s"),
- bfd_archive_filename (section->owner),
- stub_name);
- return NULL;
+ bfd_size_type amt = sizeof (*ent);
+ ent = (struct plt_entry *) bfd_alloc (abfd, amt);
+ if (ent == NULL)
+ return FALSE;
+ ent->next = eh->elf.plt.plist;
+ ent->addend = addend;
+ ent->plt.refcount = 0;
+ eh->elf.plt.plist = ent;
}
-
- stub_entry->stub_sec = stub_sec;
- stub_entry->stub_offset = 0;
- stub_entry->id_sec = link_sec;
- return stub_entry;
+ ent->plt.refcount += 1;
+ eh->elf.elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ eh->is_func = 1;
+ return TRUE;
}
-/* Create sections for linker generated code. */
+/* Look through the relocs for a section during the first phase, and
+ calculate needed space in the global offset table, procedure
+ linkage table, and dynamic reloc sections. */
-static boolean
-create_linkage_sections (dynobj, info)
- bfd *dynobj;
+static bfd_boolean
+ppc64_elf_check_relocs (abfd, info, sec, relocs)
+ bfd *abfd;
struct bfd_link_info *info;
+ asection *sec;
+ const Elf_Internal_Rela *relocs;
{
struct ppc_link_hash_table *htab;
- flagword flags;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
+ const Elf_Internal_Rela *rel;
+ const Elf_Internal_Rela *rel_end;
+ asection *sreloc;
+ asection **opd_sym_map;
+
+ if (info->relocateable)
+ return TRUE;
htab = ppc_hash_table (info);
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- /* Create .sfpr for code to save and restore fp regs. */
- flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_READONLY
- | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- htab->sfpr = bfd_make_section_anyway (dynobj, ".sfpr");
+ sym_hashes = elf_sym_hashes (abfd);
+ sym_hashes_end = (sym_hashes
+ + symtab_hdr->sh_size / sizeof (Elf64_External_Sym)
+ - symtab_hdr->sh_info);
+
+ sreloc = NULL;
+ opd_sym_map = NULL;
+ if (strcmp (bfd_get_section_name (abfd, sec), ".opd") == 0)
+ {
+ /* Garbage collection needs some extra help with .opd sections.
+ We don't want to necessarily keep everything referenced by
+ relocs in .opd, as that would keep all functions. Instead,
+ if we reference an .opd symbol (a function descriptor), we
+ want to keep the function code symbol's section. This is
+ easy for global symbols, but for local syms we need to keep
+ information about the associated function section. Later, if
+ edit_opd deletes entries, we'll use this array to adjust
+ local syms in .opd. */
+ union opd_info {
+ asection *func_section;
+ long entry_adjust;
+ };
+ bfd_size_type amt;
+
+ amt = sec->_raw_size * sizeof (union opd_info) / 24;
+ opd_sym_map = (asection **) bfd_zalloc (abfd, amt);
+ if (opd_sym_map == NULL)
+ return FALSE;
+ ppc64_elf_section_data (sec)->opd.func_sec = opd_sym_map;
+ }
+
+ if (htab->elf.dynobj == NULL)
+ htab->elf.dynobj = abfd;
if (htab->sfpr == NULL
- || ! bfd_set_section_flags (dynobj, htab->sfpr, flags)
- || ! bfd_set_section_alignment (dynobj, htab->sfpr, 2))
- return false;
+ && !create_linkage_sections (htab->elf.dynobj, info))
+ return FALSE;
- /* Create .glink for lazy dynamic linking support. */
- htab->sglink = bfd_make_section_anyway (dynobj, ".glink");
- if (htab->sglink == NULL
- || ! bfd_set_section_flags (dynobj, htab->sglink, flags)
- || ! bfd_set_section_alignment (dynobj, htab->sglink, 2))
- return false;
+ rel_end = relocs + sec->reloc_count;
+ for (rel = relocs; rel < rel_end; rel++)
+ {
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+ enum elf_ppc64_reloc_type r_type;
+ int tls_type = 0;
+
+ r_symndx = ELF64_R_SYM (rel->r_info);
+ if (r_symndx < symtab_hdr->sh_info)
+ h = NULL;
+ else
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+
+ r_type = (enum elf_ppc64_reloc_type) ELF64_R_TYPE (rel->r_info);
+ switch (r_type)
+ {
+ case R_PPC64_GOT_TLSLD16:
+ case R_PPC64_GOT_TLSLD16_LO:
+ case R_PPC64_GOT_TLSLD16_HI:
+ case R_PPC64_GOT_TLSLD16_HA:
+ htab->tlsld_got.refcount += 1;
+ tls_type = TLS_TLS | TLS_GD_LD | TLS_LD;
+ goto dogottls;
+
+ case R_PPC64_GOT_TLSGD16:
+ case R_PPC64_GOT_TLSGD16_LO:
+ case R_PPC64_GOT_TLSGD16_HI:
+ case R_PPC64_GOT_TLSGD16_HA:
+ tls_type = TLS_TLS | TLS_GD_LD;
+ goto dogottls;
+
+ case R_PPC64_GOT_TPREL16_DS:
+ case R_PPC64_GOT_TPREL16_LO_DS:
+ case R_PPC64_GOT_TPREL16_HI:
+ case R_PPC64_GOT_TPREL16_HA:
+ if (info->shared)
+ info->flags |= DF_STATIC_TLS;
+ tls_type = TLS_TLS | TLS_TPREL;
+ goto dogottls;
+
+ case R_PPC64_GOT_DTPREL16_DS:
+ case R_PPC64_GOT_DTPREL16_LO_DS:
+ case R_PPC64_GOT_DTPREL16_HI:
+ case R_PPC64_GOT_DTPREL16_HA:
+ tls_type = TLS_TLS | TLS_DTPREL;
+ dogottls:
+ sec->has_tls_reloc = 1;
+ /* Fall thru */
+
+ case R_PPC64_GOT16:
+ case R_PPC64_GOT16_DS:
+ case R_PPC64_GOT16_HA:
+ case R_PPC64_GOT16_HI:
+ case R_PPC64_GOT16_LO:
+ case R_PPC64_GOT16_LO_DS:
+ /* This symbol requires a global offset table entry. */
+ if (htab->sgot == NULL
+ && !create_got_section (htab->elf.dynobj, info))
+ return FALSE;
+
+ if (h != NULL)
+ {
+ struct ppc_link_hash_entry *eh;
+ struct got_entry *ent;
+
+ eh = (struct ppc_link_hash_entry *) h;
+ for (ent = eh->elf.got.glist; ent != NULL; ent = ent->next)
+ if (ent->addend == rel->r_addend
+ && ent->tls_type == tls_type)
+ break;
+ if (ent == NULL)
+ {
+ bfd_size_type amt = sizeof (*ent);
+ ent = (struct got_entry *) bfd_alloc (abfd, amt);
+ if (ent == NULL)
+ return FALSE;
+ ent->next = eh->elf.got.glist;
+ ent->addend = rel->r_addend;
+ ent->tls_type = tls_type;
+ ent->got.refcount = 0;
+ eh->elf.got.glist = ent;
+ }
+ ent->got.refcount += 1;
+ eh->tls_type |= tls_type;
+ }
+ else
+ /* This is a global offset table entry for a local symbol. */
+ if (!update_local_sym_info (abfd, symtab_hdr, r_symndx,
+ rel->r_addend, tls_type))
+ return FALSE;
+ break;
+
+ case R_PPC64_PLT16_HA:
+ case R_PPC64_PLT16_HI:
+ case R_PPC64_PLT16_LO:
+ case R_PPC64_PLT32:
+ case R_PPC64_PLT64:
+ /* 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;
+ }
+ else
+ if (!update_plt_info (abfd, (struct ppc_link_hash_entry *) h,
+ rel->r_addend))
+ return FALSE;
+ break;
+
+ /* The following relocations don't need to propagate the
+ relocation if linking a shared object since they are
+ section relative. */
+ case R_PPC64_SECTOFF:
+ case R_PPC64_SECTOFF_LO:
+ case R_PPC64_SECTOFF_HI:
+ case R_PPC64_SECTOFF_HA:
+ case R_PPC64_SECTOFF_DS:
+ case R_PPC64_SECTOFF_LO_DS:
+ case R_PPC64_TOC16:
+ case R_PPC64_TOC16_LO:
+ case R_PPC64_TOC16_HI:
+ case R_PPC64_TOC16_HA:
+ case R_PPC64_TOC16_DS:
+ case R_PPC64_TOC16_LO_DS:
+ case R_PPC64_DTPREL16:
+ case R_PPC64_DTPREL16_LO:
+ case R_PPC64_DTPREL16_HI:
+ case R_PPC64_DTPREL16_HA:
+ case R_PPC64_DTPREL16_DS:
+ case R_PPC64_DTPREL16_LO_DS:
+ case R_PPC64_DTPREL16_HIGHER:
+ case R_PPC64_DTPREL16_HIGHERA:
+ case R_PPC64_DTPREL16_HIGHEST:
+ case R_PPC64_DTPREL16_HIGHESTA:
+ break;
+
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_PPC64_GNU_VTINHERIT:
+ if (!_bfd_elf64_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
+
+ /* This relocation describes which C++ vtable entries are actually
+ used. Record for later use during GC. */
+ case R_PPC64_GNU_VTENTRY:
+ if (!_bfd_elf64_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+
+ case R_PPC64_REL14:
+ case R_PPC64_REL14_BRTAKEN:
+ case R_PPC64_REL14_BRNTAKEN:
+ htab->has_14bit_branch = 1;
+ /* Fall through. */
+
+ case R_PPC64_REL24:
+ if (h != NULL
+ && h->root.root.string[0] == '.'
+ && h->root.root.string[1] != 0)
+ {
+ /* We may need a .plt entry if the function this reloc
+ refers to is in a shared lib. */
+ if (!update_plt_info (abfd, (struct ppc_link_hash_entry *) h,
+ rel->r_addend))
+ return FALSE;
+ if (h == htab->tls_get_addr)
+ sec->has_tls_reloc = 1;
+ else if (strcmp (h->root.root.string, ".__tls_get_addr") == 0)
+ {
+ htab->tls_get_addr = h;
+ sec->has_tls_reloc = 1;
+ }
+ }
+ break;
+
+ case R_PPC64_TPREL64:
+ tls_type = TLS_EXPLICIT | TLS_TLS | TLS_TPREL;
+ if (info->shared)
+ info->flags |= DF_STATIC_TLS;
+ goto dotlstoc;
+
+ case R_PPC64_DTPMOD64:
+ if (rel + 1 < rel_end
+ && rel[1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPREL64)
+ && rel[1].r_offset == rel->r_offset + 8)
+ tls_type = TLS_EXPLICIT | TLS_TLS | TLS_GD_LD;
+ else
+ tls_type = TLS_EXPLICIT | TLS_TLS | TLS_GD_LD | TLS_LD;
+ goto dotlstoc;
+
+ case R_PPC64_DTPREL64:
+ tls_type = TLS_EXPLICIT | TLS_TLS | TLS_DTPREL;
+ if (rel != relocs
+ && rel[-1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_DTPMOD64)
+ && rel[-1].r_offset == rel->r_offset - 8)
+ /* This is the second reloc of a dtpmod, dtprel pair.
+ Don't mark with TLS_DTPREL. */
+ goto dodyn;
+
+ dotlstoc:
+ sec->has_tls_reloc = 1;
+ if (h != NULL)
+ {
+ struct ppc_link_hash_entry *eh;
+ eh = (struct ppc_link_hash_entry *) h;
+ eh->tls_type |= tls_type;
+ }
+ else
+ if (!update_local_sym_info (abfd, symtab_hdr, r_symndx,
+ rel->r_addend, tls_type))
+ return FALSE;
+
+ if (ppc64_elf_section_data (sec)->t_symndx == NULL)
+ {
+ bfd_size_type amt = sec->_raw_size * sizeof (unsigned) / 8;
+ ppc64_elf_section_data (sec)->t_symndx
+ = (unsigned *) bfd_zalloc (abfd, amt);
+ if (ppc64_elf_section_data (sec)->t_symndx == NULL)
+ return FALSE;
+ }
+ BFD_ASSERT (rel->r_offset % 8 == 0);
+ ppc64_elf_section_data (sec)->t_symndx[rel->r_offset / 8] = r_symndx;
+ goto dodyn;
+
+ case R_PPC64_TPREL16:
+ case R_PPC64_TPREL16_LO:
+ case R_PPC64_TPREL16_HI:
+ case R_PPC64_TPREL16_HA:
+ case R_PPC64_TPREL16_DS:
+ case R_PPC64_TPREL16_LO_DS:
+ case R_PPC64_TPREL16_HIGHER:
+ case R_PPC64_TPREL16_HIGHERA:
+ case R_PPC64_TPREL16_HIGHEST:
+ case R_PPC64_TPREL16_HIGHESTA:
+ if (info->shared)
+ {
+ info->flags |= DF_STATIC_TLS;
+ goto dodyn;
+ }
+ break;
+
+ case R_PPC64_ADDR64:
+ if (opd_sym_map != NULL
+ && h != NULL
+ && h->root.root.string[0] == '.'
+ && h->root.root.string[1] != 0)
+ {
+ struct elf_link_hash_entry *fdh;
+
+ fdh = elf_link_hash_lookup (&htab->elf, h->root.root.string + 1,
+ FALSE, FALSE, FALSE);
+ if (fdh != NULL)
+ {
+ ((struct ppc_link_hash_entry *) fdh)->is_func_descriptor = 1;
+ ((struct ppc_link_hash_entry *) fdh)->oh = h;
+ ((struct ppc_link_hash_entry *) h)->is_func = 1;
+ ((struct ppc_link_hash_entry *) h)->oh = fdh;
+ }
+ }
+ if (opd_sym_map != NULL
+ && h == NULL
+ && rel + 1 < rel_end
+ && ((enum elf_ppc64_reloc_type) ELF64_R_TYPE ((rel + 1)->r_info)
+ == R_PPC64_TOC))
+ {
+ asection *s;
+
+ s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, sec,
+ r_symndx);
+ if (s == NULL)
+ return FALSE;
+ else if (s != sec)
+ opd_sym_map[rel->r_offset / 24] = s;
+ }
+ /* Fall through. */
+
+ case R_PPC64_REL30:
+ case R_PPC64_REL32:
+ case R_PPC64_REL64:
+ case R_PPC64_ADDR14:
+ case R_PPC64_ADDR14_BRNTAKEN:
+ case R_PPC64_ADDR14_BRTAKEN:
+ case R_PPC64_ADDR16:
+ case R_PPC64_ADDR16_DS:
+ case R_PPC64_ADDR16_HA:
+ case R_PPC64_ADDR16_HI:
+ case R_PPC64_ADDR16_HIGHER:
+ case R_PPC64_ADDR16_HIGHERA:
+ case R_PPC64_ADDR16_HIGHEST:
+ case R_PPC64_ADDR16_HIGHESTA:
+ case R_PPC64_ADDR16_LO:
+ case R_PPC64_ADDR16_LO_DS:
+ case R_PPC64_ADDR24:
+ case R_PPC64_ADDR32:
+ case R_PPC64_UADDR16:
+ case R_PPC64_UADDR32:
+ case R_PPC64_UADDR64:
+ case R_PPC64_TOC:
+ /* Don't propagate .opd relocs. */
+ if (NO_OPD_RELOCS && opd_sym_map != NULL)
+ break;
- /* Create .branch_lt for plt_branch stubs. */
- flags = (SEC_ALLOC | SEC_LOAD
- | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- htab->sbrlt = bfd_make_section_anyway (dynobj, ".branch_lt");
- if (htab->sbrlt == NULL
- || ! bfd_set_section_flags (dynobj, htab->sbrlt, flags)
- || ! bfd_set_section_alignment (dynobj, htab->sbrlt, 3))
- return false;
+ /* If we are creating a shared library, and this is a reloc
+ against a global symbol, or a non PC relative reloc
+ against a local symbol, then we need to copy the reloc
+ into the shared library. However, if we are linking with
+ -Bsymbolic, we do not need to copy a reloc against a
+ global symbol which is defined in an object we are
+ including in the link (i.e., DEF_REGULAR is set). At
+ this point we have not seen all the input files, so it is
+ possible that DEF_REGULAR is not set now but will be set
+ later (it is never cleared). In case of a weak definition,
+ DEF_REGULAR may be cleared later by a strong definition in
+ a shared library. We account for that possibility below by
+ storing information in the relocs_copied field of the hash
+ table entry. A similar situation occurs when creating
+ shared libraries and symbol visibility changes render the
+ symbol local.
- if (info->shared)
- {
- flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY
- | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- htab->srelbrlt = bfd_make_section (dynobj, ".rela.branch_lt");
- if (!htab->srelbrlt
- || ! bfd_set_section_flags (dynobj, htab->srelbrlt, flags)
- || ! bfd_set_section_alignment (dynobj, htab->srelbrlt, 3))
- return false;
- }
- return true;
-}
+ If on the other hand, we are creating an executable, we
+ may need to keep relocations for symbols satisfied by a
+ dynamic library if we manage to avoid copy relocs for the
+ symbol. */
+ dodyn:
+ if ((info->shared
+ && (sec->flags & SEC_ALLOC) != 0
+ && (MUST_BE_DYN_RELOC (r_type)
+ || (h != NULL
+ && (! info->symbolic
+ || h->root.type == bfd_link_hash_defweak
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0))))
+ || (!info->shared
+ && (sec->flags & SEC_ALLOC) != 0
+ && h != NULL
+ && (h->root.type == bfd_link_hash_defweak
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0)))
+ {
+ struct ppc_dyn_relocs *p;
+ struct ppc_dyn_relocs **head;
-/* Create .got and .rela.got sections in DYNOBJ, and set up
- shortcuts to them in our hash table. */
+ /* We must copy these reloc types into the output file.
+ Create a reloc section in dynobj and make room for
+ this reloc. */
+ if (sreloc == NULL)
+ {
+ const char *name;
+ bfd *dynobj;
-static boolean
-create_got_section (dynobj, info)
- bfd *dynobj;
- struct bfd_link_info *info;
-{
- struct ppc_link_hash_table *htab;
+ 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;
- if (! _bfd_elf_create_got_section (dynobj, info))
- return false;
+ if (strncmp (name, ".rela", 5) != 0
+ || strcmp (bfd_get_section_name (abfd, sec),
+ name + 5) != 0)
+ {
+ (*_bfd_error_handler)
+ (_("%s: bad relocation section name `%s\'"),
+ bfd_archive_filename (abfd), name);
+ bfd_set_error (bfd_error_bad_value);
+ }
- htab = ppc_hash_table (info);
- htab->sgot = bfd_get_section_by_name (dynobj, ".got");
- if (!htab->sgot)
- abort ();
+ dynobj = htab->elf.dynobj;
+ sreloc = bfd_get_section_by_name (dynobj, name);
+ if (sreloc == NULL)
+ {
+ flagword flags;
- htab->srelgot = bfd_make_section (dynobj, ".rela.got");
- if (!htab->srelgot
- || ! bfd_set_section_flags (dynobj, htab->srelgot,
- (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY | SEC_LINKER_CREATED
- | SEC_READONLY))
- || ! bfd_set_section_alignment (dynobj, htab->srelgot, 3))
- return false;
- return true;
-}
+ sreloc = bfd_make_section (dynobj, name);
+ flags = (SEC_HAS_CONTENTS | SEC_READONLY
+ | SEC_IN_MEMORY | SEC_LINKER_CREATED);
+ if ((sec->flags & SEC_ALLOC) != 0)
+ flags |= SEC_ALLOC | SEC_LOAD;
+ if (sreloc == NULL
+ || ! bfd_set_section_flags (dynobj, sreloc, flags)
+ || ! bfd_set_section_alignment (dynobj, sreloc, 3))
+ return FALSE;
+ }
+ elf_section_data (sec)->sreloc = sreloc;
+ }
-/* Create the dynamic sections, and set up shortcuts. */
+ /* If this is a global symbol, we count the number of
+ relocations we need for this symbol. */
+ if (h != NULL)
+ {
+ head = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
+ }
+ else
+ {
+ /* Track dynamic relocs needed for local syms too.
+ We really need local syms available to do this
+ easily. Oh well. */
-static boolean
-ppc64_elf_create_dynamic_sections (dynobj, info)
- bfd *dynobj;
- struct bfd_link_info *info;
-{
- struct ppc_link_hash_table *htab;
+ asection *s;
+ s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
+ sec, r_symndx);
+ if (s == NULL)
+ return FALSE;
- htab = ppc_hash_table (info);
- if (!htab->sgot && !create_got_section (dynobj, info))
- return false;
+ head = ((struct ppc_dyn_relocs **)
+ &elf_section_data (s)->local_dynrel);
+ }
- if (!_bfd_elf_create_dynamic_sections (dynobj, info))
- return false;
+ p = *head;
+ if (p == NULL || p->sec != sec)
+ {
+ p = ((struct ppc_dyn_relocs *)
+ bfd_alloc (htab->elf.dynobj,
+ (bfd_size_type) sizeof *p));
+ if (p == NULL)
+ return FALSE;
+ p->next = *head;
+ *head = p;
+ p->sec = sec;
+ p->count = 0;
+ p->pc_count = 0;
+ }
- htab->splt = bfd_get_section_by_name (dynobj, ".plt");
- htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt");
- htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
- if (!info->shared)
- htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
+ p->count += 1;
+ if (!MUST_BE_DYN_RELOC (r_type))
+ p->pc_count += 1;
+ }
+ break;
- if (!htab->splt || !htab->srelplt || !htab->sdynbss
- || (!info->shared && !htab->srelbss))
- abort ();
+ default:
+ break;
+ }
+ }
- return true;
+ return TRUE;
}
-/* Copy the extra info we tack onto an elf_link_hash_entry. */
+/* Return the section that should be marked against GC for a given
+ relocation. */
-static void
-ppc64_elf_copy_indirect_symbol (dir, ind)
- struct elf_link_hash_entry *dir, *ind;
+static asection *
+ppc64_elf_gc_mark_hook (sec, info, rel, h, sym)
+ asection *sec;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ Elf_Internal_Rela *rel;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
{
- struct ppc_link_hash_entry *edir, *eind;
+ asection *rsec = NULL;
- edir = (struct ppc_link_hash_entry *) dir;
- eind = (struct ppc_link_hash_entry *) ind;
-
- if (eind->dyn_relocs != NULL)
+ if (h != NULL)
{
- if (edir->dyn_relocs != NULL)
- {
- struct ppc_dyn_relocs **pp;
- struct ppc_dyn_relocs *p;
+ enum elf_ppc64_reloc_type r_type;
+ struct ppc_link_hash_entry *fdh;
- if (ind->root.type == bfd_link_hash_indirect)
- abort ();
+ r_type = (enum elf_ppc64_reloc_type) ELF64_R_TYPE (rel->r_info);
+ switch (r_type)
+ {
+ case R_PPC64_GNU_VTINHERIT:
+ case R_PPC64_GNU_VTENTRY:
+ break;
- /* Add reloc counts against the weak sym to the strong sym
- list. Merge any entries against the same section. */
- for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
+ default:
+ switch (h->root.type)
{
- struct ppc_dyn_relocs *q;
+ case bfd_link_hash_defined:
+ case bfd_link_hash_defweak:
+ fdh = (struct ppc_link_hash_entry *) h;
+
+ /* Function descriptor syms cause the associated
+ function code sym section to be marked. */
+ if (fdh->is_func_descriptor)
+ rsec = fdh->oh->root.u.def.section;
+
+ /* Function entry syms return NULL if they are in .opd
+ and are not ._start (or others undefined on the ld
+ command line). Thus we avoid marking all function
+ sections, as all functions are referenced in .opd. */
+ else if ((fdh->oh != NULL
+ && ((struct ppc_link_hash_entry *) fdh->oh)->is_entry)
+ || ppc64_elf_section_data (sec)->opd.func_sec == NULL)
+ rsec = h->root.u.def.section;
+ break;
- for (q = edir->dyn_relocs; q != NULL; q = q->next)
- if (q->sec == p->sec)
- {
- q->pc_count += p->pc_count;
- q->count += p->count;
- *pp = p->next;
- break;
- }
- if (q == NULL)
- pp = &p->next;
+ case bfd_link_hash_common:
+ rsec = h->root.u.c.p->section;
+ break;
+
+ default:
+ break;
}
- *pp = edir->dyn_relocs;
}
-
- edir->dyn_relocs = eind->dyn_relocs;
- eind->dyn_relocs = NULL;
+ }
+ else
+ {
+ asection **opd_sym_section;
+
+ rsec = bfd_section_from_elf_index (sec->owner, sym->st_shndx);
+ opd_sym_section = ppc64_elf_section_data (rsec)->opd.func_sec;
+ if (opd_sym_section != NULL)
+ rsec = opd_sym_section[sym->st_value / 24];
+ else if (ppc64_elf_section_data (sec)->opd.func_sec != NULL)
+ rsec = NULL;
}
- edir->is_func |= eind->is_func;
- edir->is_func_descriptor |= eind->is_func_descriptor;
-
- _bfd_elf_link_hash_copy_indirect (dir, ind);
+ return rsec;
}
-/* Look through the relocs for a section during the first phase, and
- calculate needed space in the global offset table, procedure
- linkage table, and dynamic reloc sections. */
+/* Update the .got, .plt. and dynamic reloc reference counts for the
+ section being removed. */
-static boolean
-ppc64_elf_check_relocs (abfd, info, sec, relocs)
+static bfd_boolean
+ppc64_elf_gc_sweep_hook (abfd, info, sec, relocs)
bfd *abfd;
struct bfd_link_info *info;
asection *sec;
{
struct ppc_link_hash_table *htab;
Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
- const Elf_Internal_Rela *rel;
- const Elf_Internal_Rela *rel_end;
- asection *sreloc;
- boolean is_opd;
-
- if (info->relocateable)
- return true;
-
- htab = ppc_hash_table (info);
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
-
- sym_hashes = elf_sym_hashes (abfd);
- sym_hashes_end = (sym_hashes
- + symtab_hdr->sh_size / sizeof (Elf64_External_Sym));
- if (!elf_bad_symtab (abfd))
- sym_hashes_end -= symtab_hdr->sh_info;
-
- sreloc = NULL;
- is_opd = strcmp (bfd_get_section_name (abfd, sec), ".opd") == 0;
+ struct elf_link_hash_entry **sym_hashes;
+ struct got_entry **local_got_ents;
+ const Elf_Internal_Rela *rel, *relend;
- if (htab->elf.dynobj == NULL)
- htab->elf.dynobj = abfd;
- if (htab->sfpr == NULL
- && !create_linkage_sections (htab->elf.dynobj, info))
- return false;
+ elf_section_data (sec)->local_dynrel = NULL;
- rel_end = relocs + sec->reloc_count;
- for (rel = relocs; rel < rel_end; rel++)
+ htab = ppc_hash_table (info);
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+ local_got_ents = elf_local_got_ents (abfd);
+
+ relend = relocs + sec->reloc_count;
+ for (rel = relocs; rel < relend; rel++)
{
unsigned long r_symndx;
+ enum elf_ppc64_reloc_type r_type;
struct elf_link_hash_entry *h;
- enum elf_ppc_reloc_type r_type;
+ char tls_type = 0;
r_symndx = ELF64_R_SYM (rel->r_info);
- if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
- else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
-
- r_type = (enum elf_ppc_reloc_type) ELF64_R_TYPE (rel->r_info);
+ r_type = (enum elf_ppc64_reloc_type) ELF64_R_TYPE (rel->r_info);
switch (r_type)
{
- /* GOT16 relocations */
+ case R_PPC64_GOT_TLSLD16:
+ case R_PPC64_GOT_TLSLD16_LO:
+ case R_PPC64_GOT_TLSLD16_HI:
+ case R_PPC64_GOT_TLSLD16_HA:
+ htab->tlsld_got.refcount -= 1;
+ tls_type = TLS_TLS | TLS_GD_LD | TLS_LD;
+ goto dogot;
+
+ case R_PPC64_GOT_TLSGD16:
+ case R_PPC64_GOT_TLSGD16_LO:
+ case R_PPC64_GOT_TLSGD16_HI:
+ case R_PPC64_GOT_TLSGD16_HA:
+ tls_type = TLS_TLS | TLS_GD_LD;
+ goto dogot;
+
+ case R_PPC64_GOT_TPREL16_DS:
+ case R_PPC64_GOT_TPREL16_LO_DS:
+ case R_PPC64_GOT_TPREL16_HI:
+ case R_PPC64_GOT_TPREL16_HA:
+ tls_type = TLS_TLS | TLS_TPREL;
+ goto dogot;
+
+ case R_PPC64_GOT_DTPREL16_DS:
+ case R_PPC64_GOT_DTPREL16_LO_DS:
+ case R_PPC64_GOT_DTPREL16_HI:
+ case R_PPC64_GOT_DTPREL16_HA:
+ tls_type = TLS_TLS | TLS_DTPREL;
+ goto dogot;
+
case R_PPC64_GOT16:
case R_PPC64_GOT16_DS:
case R_PPC64_GOT16_HA:
case R_PPC64_GOT16_HI:
case R_PPC64_GOT16_LO:
case R_PPC64_GOT16_LO_DS:
+ dogot:
+ {
+ struct got_entry *ent;
- /* This symbol requires a global offset table entry. */
- if (htab->sgot == NULL
- && !create_got_section (htab->elf.dynobj, info))
- return false;
-
- if (h != NULL)
- {
- h->got.refcount += 1;
- }
- else
- {
- bfd_signed_vma *local_got_refcounts;
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ ent = h->got.glist;
+ }
+ else
+ ent = local_got_ents[r_symndx];
- /* This is a global offset table entry for a local symbol. */
- local_got_refcounts = elf_local_got_refcounts (abfd);
- if (local_got_refcounts == NULL)
- {
- bfd_size_type size;
-
- size = symtab_hdr->sh_info;
- size *= sizeof (bfd_signed_vma);
- local_got_refcounts = ((bfd_signed_vma *)
- bfd_zalloc (abfd, size));
- if (local_got_refcounts == NULL)
- return false;
- elf_local_got_refcounts (abfd) = local_got_refcounts;
- }
- local_got_refcounts[r_symndx] += 1;
- }
+ for (; ent != NULL; ent = ent->next)
+ if (ent->addend == rel->r_addend
+ && ent->tls_type == tls_type)
+ break;
+ if (ent == NULL)
+ abort ();
+ if (ent->got.refcount > 0)
+ ent->got.refcount -= 1;
+ }
break;
case R_PPC64_PLT16_HA:
case R_PPC64_PLT16_LO:
case R_PPC64_PLT32:
case R_PPC64_PLT64:
- /* 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;
- }
-
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
- h->plt.refcount += 1;
- ((struct ppc_link_hash_entry *) h)->is_func = 1;
- break;
-
- /* The following relocations don't need to propagate the
- relocation if linking a shared object since they are
- section relative. */
- case R_PPC64_SECTOFF:
- case R_PPC64_SECTOFF_LO:
- case R_PPC64_SECTOFF_HI:
- case R_PPC64_SECTOFF_HA:
- case R_PPC64_SECTOFF_DS:
- case R_PPC64_SECTOFF_LO_DS:
- case R_PPC64_TOC16:
- case R_PPC64_TOC16_LO:
- case R_PPC64_TOC16_HI:
- case R_PPC64_TOC16_HA:
- case R_PPC64_TOC16_DS:
- case R_PPC64_TOC16_LO_DS:
- break;
-
- /* This relocation describes the C++ object vtable hierarchy.
- Reconstruct it for later use during GC. */
- case R_PPC64_GNU_VTINHERIT:
- if (!_bfd_elf64_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return false;
- break;
-
- /* This relocation describes which C++ vtable entries are actually
- used. Record for later use during GC. */
- case R_PPC64_GNU_VTENTRY:
- if (!_bfd_elf64_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return false;
- break;
-
case R_PPC64_REL14:
- case R_PPC64_REL14_BRTAKEN:
case R_PPC64_REL14_BRNTAKEN:
- htab->has_14bit_branch = 1;
- /* Fall through. */
-
+ case R_PPC64_REL14_BRTAKEN:
case R_PPC64_REL24:
- if (h != NULL
- && h->root.root.string[0] == '.'
- && h->root.root.string[1] != 0)
+ if (r_symndx >= symtab_hdr->sh_info)
{
- /* We may need a .plt entry if the function this reloc
- refers to is in a shared lib. */
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
- h->plt.refcount += 1;
- ((struct ppc_link_hash_entry *) h)->is_func = 1;
+ struct plt_entry *ent;
+
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ for (ent = h->plt.plist; ent != NULL; ent = ent->next)
+ if (ent->addend == rel->r_addend)
+ break;
+ if (ent == NULL)
+ abort ();
+ if (ent->plt.refcount > 0)
+ ent->plt.refcount -= 1;
}
break;
- case R_PPC64_ADDR64:
- if (is_opd
- && h != NULL
- && h->root.root.string[0] == '.'
- && h->root.root.string[1] != 0)
+ case R_PPC64_REL30:
+ case R_PPC64_REL32:
+ case R_PPC64_REL64:
+ if (r_symndx >= symtab_hdr->sh_info)
{
- struct elf_link_hash_entry *fdh;
+ struct ppc_link_hash_entry *eh;
+ struct ppc_dyn_relocs **pp;
+ struct ppc_dyn_relocs *p;
- fdh = elf_link_hash_lookup (&htab->elf, h->root.root.string + 1,
- false, false, false);
- if (fdh != NULL)
- {
- ((struct ppc_link_hash_entry *) fdh)->is_func_descriptor = 1;
- ((struct ppc_link_hash_entry *) fdh)->oh = h;
- ((struct ppc_link_hash_entry *) h)->is_func = 1;
- ((struct ppc_link_hash_entry *) h)->oh = fdh;
- }
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ eh = (struct ppc_link_hash_entry *) h;
+
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
+ if (p->sec == sec)
+ {
+ p->pc_count -= 1;
+ p->count -= 1;
+ if (p->count == 0)
+ *pp = p->next;
+ break;
+ }
}
- /* Fall through. */
+ break;
- case R_PPC64_REL64:
- case R_PPC64_REL32:
+ case R_PPC64_DTPMOD64:
+ case R_PPC64_DTPREL64:
+ case R_PPC64_TPREL64:
case R_PPC64_ADDR14:
case R_PPC64_ADDR14_BRNTAKEN:
case R_PPC64_ADDR14_BRTAKEN:
case R_PPC64_ADDR16_LO:
case R_PPC64_ADDR16_LO_DS:
case R_PPC64_ADDR24:
- case R_PPC64_ADDR30:
case R_PPC64_ADDR32:
+ case R_PPC64_ADDR64:
case R_PPC64_UADDR16:
case R_PPC64_UADDR32:
case R_PPC64_UADDR64:
case R_PPC64_TOC:
- /* Don't propagate .opd relocs. */
- if (NO_OPD_RELOCS && is_opd)
- break;
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ struct ppc_link_hash_entry *eh;
+ struct ppc_dyn_relocs **pp;
+ struct ppc_dyn_relocs *p;
+
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ eh = (struct ppc_link_hash_entry *) h;
+
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
+ if (p->sec == sec)
+ {
+ p->count -= 1;
+ if (p->count == 0)
+ *pp = p->next;
+ break;
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+ return TRUE;
+}
+
+/* Called via elf_link_hash_traverse to transfer dynamic linking
+ information on function code symbol entries to their corresponding
+ function descriptor symbol entries. */
+static bfd_boolean
+func_desc_adjust (h, inf)
+ struct elf_link_hash_entry *h;
+ PTR inf;
+{
+ struct bfd_link_info *info;
+ struct ppc_link_hash_table *htab;
+ struct plt_entry *ent;
+
+ if (h->root.type == bfd_link_hash_indirect)
+ return TRUE;
+
+ if (h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ info = (struct bfd_link_info *) inf;
+ htab = ppc_hash_table (info);
+
+ /* If this is a function code symbol, transfer dynamic linking
+ information to the function descriptor symbol. */
+ if (!((struct ppc_link_hash_entry *) h)->is_func)
+ return TRUE;
+
+ if (h->root.type == bfd_link_hash_undefweak
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR))
+ htab->have_undefweak = TRUE;
+
+ for (ent = h->plt.plist; ent != NULL; ent = ent->next)
+ if (ent->plt.refcount > 0)
+ break;
+ if (ent != NULL
+ && h->root.root.string[0] == '.'
+ && h->root.root.string[1] != '\0')
+ {
+ struct elf_link_hash_entry *fdh = ((struct ppc_link_hash_entry *) h)->oh;
+ bfd_boolean force_local;
+
+ /* Find the corresponding function descriptor symbol. Create it
+ as undefined if necessary. */
+
+ if (fdh == NULL)
+ fdh = elf_link_hash_lookup (&htab->elf, h->root.root.string + 1,
+ FALSE, FALSE, TRUE);
+
+ if (fdh == NULL
+ && info->shared
+ && (h->root.type == bfd_link_hash_undefined
+ || h->root.type == bfd_link_hash_undefweak))
+ {
+ bfd *abfd;
+ asymbol *newsym;
+ struct bfd_link_hash_entry *bh;
+
+ abfd = h->root.u.undef.abfd;
+ newsym = bfd_make_empty_symbol (abfd);
+ newsym->name = h->root.root.string + 1;
+ newsym->section = bfd_und_section_ptr;
+ newsym->value = 0;
+ newsym->flags = BSF_OBJECT;
+ if (h->root.type == bfd_link_hash_undefweak)
+ newsym->flags |= BSF_WEAK;
+
+ bh = &fdh->root;
+ if ( !(_bfd_generic_link_add_one_symbol
+ (info, abfd, newsym->name, newsym->flags,
+ newsym->section, newsym->value, NULL, FALSE, FALSE, &bh)))
+ {
+ return FALSE;
+ }
+ fdh = (struct elf_link_hash_entry *) bh;
+ fdh->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
+ }
+
+ if (fdh != NULL
+ && (fdh->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0
+ && (info->shared
+ || (fdh->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
+ || (fdh->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) != 0))
+ {
+ if (fdh->dynindx == -1)
+ if (! bfd_elf64_link_record_dynamic_symbol (info, fdh))
+ return FALSE;
+ fdh->elf_link_hash_flags |= (h->elf_link_hash_flags
+ & (ELF_LINK_HASH_REF_REGULAR
+ | ELF_LINK_HASH_REF_DYNAMIC
+ | ELF_LINK_HASH_REF_REGULAR_NONWEAK
+ | ELF_LINK_NON_GOT_REF));
+ if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
+ {
+ fdh->plt.plist = h->plt.plist;
+ fdh->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ }
+ ((struct ppc_link_hash_entry *) fdh)->is_func_descriptor = 1;
+ ((struct ppc_link_hash_entry *) fdh)->oh = h;
+ ((struct ppc_link_hash_entry *) h)->oh = fdh;
+ }
+
+ /* Now that the info is on the function descriptor, clear the
+ function code sym info. Any function code syms for which we
+ don't have a definition in a regular file, we force local.
+ This prevents a shared library from exporting syms that have
+ been imported from another library. Function code syms that
+ are really in the library we must leave global to prevent the
+ linker dragging in a definition from a static library. */
+ force_local = (info->shared
+ && ((h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0
+ || fdh == NULL
+ || (fdh->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0
+ || (fdh->elf_link_hash_flags
+ & ELF_LINK_FORCED_LOCAL) != 0));
+ _bfd_elf_link_hash_hide_symbol (info, h, force_local);
+ }
+
+ return TRUE;
+}
+
+#define MIN_SAVE_FPR 14
+#define MAX_SAVE_FPR 31
- /* If we are creating a shared library, and this is a reloc
- against a global symbol, or a non PC relative reloc
- against a local symbol, then we need to copy the reloc
- into the shared library. However, if we are linking with
- -Bsymbolic, we do not need to copy a reloc against a
- global symbol which is defined in an object we are
- including in the link (i.e., DEF_REGULAR is set). At
- this point we have not seen all the input files, so it is
- possible that DEF_REGULAR is not set now but will be set
- later (it is never cleared). In case of a weak definition,
- DEF_REGULAR may be cleared later by a strong definition in
- a shared library. We account for that possibility below by
- storing information in the relocs_copied field of the hash
- table entry. A similar situation occurs when creating
- shared libraries and symbol visibility changes render the
- symbol local.
+/* Called near the start of bfd_elf_size_dynamic_sections. We use
+ this hook to a) provide some gcc support functions, and b) transfer
+ dynamic linking information gathered so far on function code symbol
+ entries, to their corresponding function descriptor symbol entries. */
+static bfd_boolean
+ppc64_elf_func_desc_adjust (obfd, info)
+ bfd *obfd ATTRIBUTE_UNUSED;
+ struct bfd_link_info *info;
+{
+ struct ppc_link_hash_table *htab;
+ unsigned int lowest_savef = MAX_SAVE_FPR + 2;
+ unsigned int lowest_restf = MAX_SAVE_FPR + 2;
+ unsigned int i;
+ struct elf_link_hash_entry *h;
+ bfd_byte *p;
+ char sym[10];
- If on the other hand, we are creating an executable, we
- may need to keep relocations for symbols satisfied by a
- dynamic library if we manage to avoid copy relocs for the
- symbol. */
- if ((info->shared
- && (sec->flags & SEC_ALLOC) != 0
- && (IS_ABSOLUTE_RELOC (r_type)
- || (h != NULL
- && (! info->symbolic
- || h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
- || (!info->shared
- && (sec->flags & SEC_ALLOC) != 0
- && h != NULL
- && (h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)))
- {
- struct ppc_dyn_relocs *p;
- struct ppc_dyn_relocs **head;
+ htab = ppc_hash_table (info);
- /* We must copy these reloc types into the output file.
- Create a reloc section in dynobj and make room for
- this reloc. */
- if (sreloc == NULL)
- {
- const char *name;
- bfd *dynobj;
+ if (htab->sfpr == NULL)
+ /* We don't have any relocs. */
+ return TRUE;
- 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;
+ /* First provide any missing ._savef* and ._restf* functions. */
+ memcpy (sym, "._savef14", 10);
+ for (i = MIN_SAVE_FPR; i <= MAX_SAVE_FPR; i++)
+ {
+ sym[7] = i / 10 + '0';
+ sym[8] = i % 10 + '0';
+ h = elf_link_hash_lookup (&htab->elf, sym, FALSE, FALSE, TRUE);
+ if (h != NULL
+ && h->root.type == bfd_link_hash_undefined)
+ {
+ if (lowest_savef > i)
+ lowest_savef = i;
+ h->root.type = bfd_link_hash_defined;
+ h->root.u.def.section = htab->sfpr;
+ h->root.u.def.value = (i - lowest_savef) * 4;
+ h->type = STT_FUNC;
+ h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ _bfd_elf_link_hash_hide_symbol (info, h, info->shared);
+ }
+ }
- if (strncmp (name, ".rela", 5) != 0
- || strcmp (bfd_get_section_name (abfd, sec),
- name + 5) != 0)
- {
- (*_bfd_error_handler)
- (_("%s: bad relocation section name `%s\'"),
- bfd_archive_filename (abfd), name);
- bfd_set_error (bfd_error_bad_value);
- }
+ memcpy (sym, "._restf14", 10);
+ for (i = MIN_SAVE_FPR; i <= MAX_SAVE_FPR; i++)
+ {
+ sym[7] = i / 10 + '0';
+ sym[8] = i % 10 + '0';
+ h = elf_link_hash_lookup (&htab->elf, sym, FALSE, FALSE, TRUE);
+ if (h != NULL
+ && h->root.type == bfd_link_hash_undefined)
+ {
+ if (lowest_restf > i)
+ lowest_restf = i;
+ h->root.type = bfd_link_hash_defined;
+ h->root.u.def.section = htab->sfpr;
+ h->root.u.def.value = ((MAX_SAVE_FPR + 2 - lowest_savef) * 4
+ + (i - lowest_restf) * 4);
+ h->type = STT_FUNC;
+ h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ _bfd_elf_link_hash_hide_symbol (info, h, info->shared);
+ }
+ }
- dynobj = htab->elf.dynobj;
- sreloc = bfd_get_section_by_name (dynobj, name);
- if (sreloc == NULL)
- {
- flagword flags;
+ elf_link_hash_traverse (&htab->elf, func_desc_adjust, (PTR) info);
- sreloc = bfd_make_section (dynobj, name);
- flags = (SEC_HAS_CONTENTS | SEC_READONLY
- | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- if ((sec->flags & SEC_ALLOC) != 0)
- flags |= SEC_ALLOC | SEC_LOAD;
- if (sreloc == NULL
- || ! bfd_set_section_flags (dynobj, sreloc, flags)
- || ! bfd_set_section_alignment (dynobj, sreloc, 3))
- return false;
- }
- elf_section_data (sec)->sreloc = sreloc;
- }
+ htab->sfpr->_raw_size = ((MAX_SAVE_FPR + 2 - lowest_savef) * 4
+ + (MAX_SAVE_FPR + 2 - lowest_restf) * 4);
- /* If this is a global symbol, we count the number of
- relocations we need for this symbol. */
- if (h != NULL)
- {
- head = &((struct ppc_link_hash_entry *) h)->dyn_relocs;
- }
- else
- {
- /* Track dynamic relocs needed for local syms too.
- We really need local syms available to do this
- easily. Oh well. */
+ if (htab->sfpr->_raw_size == 0)
+ {
+ if (!htab->have_undefweak)
+ {
+ _bfd_strip_section_from_output (info, htab->sfpr);
+ return TRUE;
+ }
- asection *s;
- s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
- sec, r_symndx);
- if (s == NULL)
- return false;
+ htab->sfpr->_raw_size = 4;
+ }
- head = ((struct ppc_dyn_relocs **)
- &elf_section_data (s)->local_dynrel);
- }
+ p = (bfd_byte *) bfd_alloc (htab->elf.dynobj, htab->sfpr->_raw_size);
+ if (p == NULL)
+ return FALSE;
+ htab->sfpr->contents = p;
- p = *head;
- if (p == NULL || p->sec != sec)
- {
- p = ((struct ppc_dyn_relocs *)
- bfd_alloc (htab->elf.dynobj,
- (bfd_size_type) sizeof *p));
- if (p == NULL)
- return false;
- p->next = *head;
- *head = p;
- p->sec = sec;
- p->count = 0;
- p->pc_count = 0;
- }
+ for (i = lowest_savef; i <= MAX_SAVE_FPR; i++)
+ {
+ unsigned int fpr = i << 21;
+ unsigned int stackoff = (1 << 16) - (MAX_SAVE_FPR + 1 - i) * 8;
+ bfd_put_32 (htab->elf.dynobj, STFD_FR0_0R1 + fpr + stackoff, p);
+ p += 4;
+ }
+ if (lowest_savef <= MAX_SAVE_FPR)
+ {
+ bfd_put_32 (htab->elf.dynobj, BLR, p);
+ p += 4;
+ }
- p->count += 1;
- if (!IS_ABSOLUTE_RELOC (r_type))
- p->pc_count += 1;
- }
- break;
+ for (i = lowest_restf; i <= MAX_SAVE_FPR; i++)
+ {
+ unsigned int fpr = i << 21;
+ unsigned int stackoff = (1 << 16) - (MAX_SAVE_FPR + 1 - i) * 8;
+ bfd_put_32 (htab->elf.dynobj, LFD_FR0_0R1 + fpr + stackoff, p);
+ p += 4;
+ }
+ if (lowest_restf <= MAX_SAVE_FPR
+ || htab->sfpr->_raw_size == 4)
+ {
+ bfd_put_32 (htab->elf.dynobj, BLR, p);
+ }
- default:
+ return TRUE;
+}
+
+/* Adjust a symbol defined by a dynamic object and referenced by a
+ regular object. The current definition is in some section of the
+ dynamic object, but we're not including those sections. We have to
+ change the definition to something the rest of the link can
+ understand. */
+
+static bfd_boolean
+ppc64_elf_adjust_dynamic_symbol (info, h)
+ struct bfd_link_info *info;
+ struct elf_link_hash_entry *h;
+{
+ struct ppc_link_hash_table *htab;
+ struct ppc_link_hash_entry * eh;
+ struct ppc_dyn_relocs *p;
+ asection *s;
+ unsigned int power_of_two;
+
+ htab = ppc_hash_table (info);
+
+ /* Deal with function syms. */
+ if (h->type == STT_FUNC
+ || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ {
+ /* Clear procedure linkage table information for any symbol that
+ won't need a .plt entry. */
+ struct plt_entry *ent;
+ for (ent = h->plt.plist; ent != NULL; ent = ent->next)
+ if (ent->plt.refcount > 0)
break;
+ if (!((struct ppc_link_hash_entry *) h)->is_func_descriptor
+ || ent == NULL
+ || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
+ || (! info->shared
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0))
+ {
+ h->plt.plist = NULL;
+ h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
}
+ return TRUE;
+ }
+ else
+ h->plt.plist = NULL;
+
+ /* 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;
}
- return true;
-}
+ /* This is a reference to a symbol defined by a dynamic object which
+ is not a function. */
+
+ /* If we are creating a shared library, we must presume that the
+ only references to the symbol are via the global offset table.
+ For such cases we need not do anything here; the relocations will
+ be handled correctly by relocate_section. */
+ if (info->shared)
+ return TRUE;
+
+ /* If there are no references to this symbol that do not use the
+ GOT, we don't need to generate a copy reloc. */
+ if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
+ return TRUE;
-/* Return the section that should be marked against GC for a given
- relocation. */
+ eh = (struct ppc_link_hash_entry *) h;
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ s = p->sec->output_section;
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ break;
+ }
-static asection *
-ppc64_elf_gc_mark_hook (abfd, info, rel, h, sym)
- bfd *abfd;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- Elf_Internal_Rela *rel;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
-{
- if (h != NULL)
+ /* If we didn't find any dynamic relocs in read-only sections, then
+ we'll be keeping the dynamic relocs and avoiding the copy reloc. */
+ if (p == NULL)
{
- enum elf_ppc_reloc_type r_type;
+ h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
+ return TRUE;
+ }
- r_type = (enum elf_ppc_reloc_type) ELF64_R_TYPE (rel->r_info);
- switch (r_type)
- {
- case R_PPC64_GNU_VTINHERIT:
- case R_PPC64_GNU_VTENTRY:
- break;
+ /* 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. */
- default:
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
+ /* We must generate a R_PPC64_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)
+ {
+ htab->srelbss->_raw_size += sizeof (Elf64_External_Rela);
+ h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
+ }
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
+ /* 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 > 4)
+ power_of_two = 4;
- default:
- break;
- }
- }
- }
- else
+ /* Apply the required alignment. */
+ s = htab->sdynbss;
+ s->_raw_size = BFD_ALIGN (s->_raw_size, (bfd_size_type) (1 << power_of_two));
+ if (power_of_two > bfd_get_section_alignment (htab->elf.dynobj, s))
{
- return bfd_section_from_elf_index (abfd, sym->st_shndx);
+ if (! bfd_set_section_alignment (htab->elf.dynobj, s, power_of_two))
+ return FALSE;
}
- return NULL;
-}
-
-/* Update the .got, .plt. and dynamic reloc reference counts for the
- section being removed. */
+ /* 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;
-static boolean
-ppc64_elf_gc_sweep_hook (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- asection *sec;
- const Elf_Internal_Rela *relocs;
-{
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
+ /* Increment the section size to make room for the symbol. */
+ s->_raw_size += h->size;
- elf_section_data (sec)->local_dynrel = NULL;
+ return TRUE;
+}
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
+/* If given a function descriptor symbol, hide both the function code
+ sym and the descriptor. */
+static void
+ppc64_elf_hide_symbol (info, h, force_local)
+ struct bfd_link_info *info;
+ struct elf_link_hash_entry *h;
+ bfd_boolean force_local;
+{
+ _bfd_elf_link_hash_hide_symbol (info, h, force_local);
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
+ if (((struct ppc_link_hash_entry *) h)->is_func_descriptor)
{
- unsigned long r_symndx;
- enum elf_ppc_reloc_type r_type;
- struct elf_link_hash_entry *h;
+ struct elf_link_hash_entry *fh = ((struct ppc_link_hash_entry *) h)->oh;
- r_symndx = ELF64_R_SYM (rel->r_info);
- r_type = (enum elf_ppc_reloc_type) ELF64_R_TYPE (rel->r_info);
- switch (r_type)
+ if (fh == NULL)
{
- case R_PPC64_GOT16:
- case R_PPC64_GOT16_DS:
- case R_PPC64_GOT16_HA:
- case R_PPC64_GOT16_HI:
- case R_PPC64_GOT16_LO:
- case R_PPC64_GOT16_LO_DS:
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
+ const char *p, *q;
+ struct ppc_link_hash_table *htab;
+ char save;
- case R_PPC64_PLT16_HA:
- case R_PPC64_PLT16_HI:
- case R_PPC64_PLT16_LO:
- case R_PPC64_PLT32:
- case R_PPC64_PLT64:
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->plt.refcount > 0)
- h->plt.refcount--;
- }
- break;
+ /* We aren't supposed to use alloca in BFD because on
+ systems which do not have alloca the version in libiberty
+ calls xmalloc, which might cause the program to crash
+ when it runs out of memory. This function doesn't have a
+ return status, so there's no way to gracefully return an
+ error. So cheat. We know that string[-1] can be safely
+ dereferenced; It's either a string in an ELF string
+ table, or allocated in an objalloc structure. */
- case R_PPC64_REL14:
- case R_PPC64_REL14_BRNTAKEN:
- case R_PPC64_REL14_BRTAKEN:
- case R_PPC64_REL24:
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->plt.refcount > 0)
- h->plt.refcount--;
- }
- break;
+ p = h->root.root.string - 1;
+ save = *p;
+ *(char *) p = '.';
+ htab = ppc_hash_table (info);
+ fh = elf_link_hash_lookup (&htab->elf, p, FALSE, FALSE, FALSE);
+ *(char *) p = save;
- case R_PPC64_REL32:
- case R_PPC64_REL64:
- if (r_symndx >= symtab_hdr->sh_info)
+ /* Unfortunately, if it so happens that the string we were
+ looking for was allocated immediately before this string,
+ then we overwrote the string terminator. That's the only
+ reason the lookup should fail. */
+ if (fh == NULL)
{
- struct ppc_link_hash_entry *eh;
- struct ppc_dyn_relocs **pp;
- struct ppc_dyn_relocs *p;
-
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- eh = (struct ppc_link_hash_entry *) h;
-
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
- {
- p->pc_count -= 1;
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
- }
+ q = h->root.root.string + strlen (h->root.root.string);
+ while (q >= h->root.root.string && *q == *p)
+ --q, --p;
+ if (q < h->root.root.string && *p == '.')
+ fh = elf_link_hash_lookup (&htab->elf, p, FALSE, FALSE, FALSE);
}
- break;
-
- case R_PPC64_ADDR14:
- case R_PPC64_ADDR14_BRNTAKEN:
- case R_PPC64_ADDR14_BRTAKEN:
- case R_PPC64_ADDR16:
- case R_PPC64_ADDR16_DS:
- case R_PPC64_ADDR16_HA:
- case R_PPC64_ADDR16_HI:
- case R_PPC64_ADDR16_HIGHER:
- case R_PPC64_ADDR16_HIGHERA:
- case R_PPC64_ADDR16_HIGHEST:
- case R_PPC64_ADDR16_HIGHESTA:
- case R_PPC64_ADDR16_LO:
- case R_PPC64_ADDR16_LO_DS:
- case R_PPC64_ADDR24:
- case R_PPC64_ADDR30:
- case R_PPC64_ADDR32:
- case R_PPC64_ADDR64:
- case R_PPC64_UADDR16:
- case R_PPC64_UADDR32:
- case R_PPC64_UADDR64:
- case R_PPC64_TOC:
- if (r_symndx >= symtab_hdr->sh_info)
+ if (fh != NULL)
{
- struct ppc_link_hash_entry *eh;
- struct ppc_dyn_relocs **pp;
- struct ppc_dyn_relocs *p;
-
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- eh = (struct ppc_link_hash_entry *) h;
-
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
- {
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
- }
+ ((struct ppc_link_hash_entry *) h)->oh = fh;
+ ((struct ppc_link_hash_entry *) fh)->oh = h;
}
- break;
-
- default:
- break;
}
+ if (fh != NULL)
+ _bfd_elf_link_hash_hide_symbol (info, fh, force_local);
}
- return true;
}
-/* Called via elf_link_hash_traverse to transfer dynamic linking
- information on function code symbol entries to their corresponding
- function descriptor symbol entries. */
-static boolean
-func_desc_adjust (h, inf)
- struct elf_link_hash_entry *h;
- PTR inf;
+static bfd_boolean
+get_sym_h (hp, symp, symsecp, tlstypep, locsymsp, r_symndx, ibfd)
+ struct elf_link_hash_entry **hp;
+ Elf_Internal_Sym **symp;
+ asection **symsecp;
+ char **tlstypep;
+ Elf_Internal_Sym **locsymsp;
+ unsigned long r_symndx;
+ bfd *ibfd;
{
- struct bfd_link_info *info;
- struct ppc_link_hash_table *htab;
+ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
- if (h->root.type == bfd_link_hash_indirect)
- return true;
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (ibfd);
+ struct elf_link_hash_entry *h;
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ 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;
- info = (struct bfd_link_info *) inf;
- htab = ppc_hash_table (info);
+ if (hp != NULL)
+ *hp = h;
- /* If this is a function code symbol, transfer dynamic linking
- information to the function descriptor symbol. */
- if (!((struct ppc_link_hash_entry *) h)->is_func)
- return true;
+ if (symp != NULL)
+ *symp = NULL;
+
+ if (symsecp != NULL)
+ {
+ asection *symsec = NULL;
+ if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ symsec = h->root.u.def.section;
+ *symsecp = symsec;
+ }
- if (h->root.type == bfd_link_hash_undefweak
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR))
- htab->have_undefweak = true;
+ if (tlstypep != NULL)
+ {
+ struct ppc_link_hash_entry *eh;
- if (h->plt.refcount > 0
- && h->root.root.string[0] == '.'
- && h->root.root.string[1] != '\0')
+ eh = (struct ppc_link_hash_entry *) h;
+ *tlstypep = &eh->tls_type;
+ }
+ }
+ else
{
- struct elf_link_hash_entry *fdh = ((struct ppc_link_hash_entry *) h)->oh;
- boolean force_local;
-
- /* Find the corresponding function descriptor symbol. Create it
- as undefined if necessary. */
-
- if (fdh == NULL)
- fdh = elf_link_hash_lookup (&htab->elf, h->root.root.string + 1,
- false, false, true);
+ Elf_Internal_Sym *sym;
+ Elf_Internal_Sym *locsyms = *locsymsp;
- if (fdh == NULL
- && info->shared
- && (h->root.type == bfd_link_hash_undefined
- || h->root.type == bfd_link_hash_undefweak))
+ if (locsyms == NULL)
{
- bfd *abfd;
- asymbol *newsym;
+ locsyms = (Elf_Internal_Sym *) symtab_hdr->contents;
+ if (locsyms == NULL)
+ locsyms = bfd_elf_get_elf_syms (ibfd, symtab_hdr,
+ symtab_hdr->sh_info,
+ 0, NULL, NULL, NULL);
+ if (locsyms == NULL)
+ return FALSE;
+ *locsymsp = locsyms;
+ }
+ sym = locsyms + r_symndx;
- abfd = h->root.u.undef.abfd;
- newsym = bfd_make_empty_symbol (abfd);
- newsym->name = h->root.root.string + 1;
- newsym->section = bfd_und_section_ptr;
- newsym->value = 0;
- newsym->flags = BSF_OBJECT;
- if (h->root.type == bfd_link_hash_undefweak)
- newsym->flags |= BSF_WEAK;
+ if (hp != NULL)
+ *hp = NULL;
- if ( !(_bfd_generic_link_add_one_symbol
- (info, abfd, newsym->name, newsym->flags,
- newsym->section, newsym->value, NULL, false, false,
- (struct bfd_link_hash_entry **) &fdh)))
- {
- return false;
- }
- fdh->elf_link_hash_flags &= ~ELF_LINK_NON_ELF;
+ if (symp != NULL)
+ *symp = sym;
+
+ if (symsecp != NULL)
+ {
+ asection *symsec = NULL;
+ if ((sym->st_shndx != SHN_UNDEF
+ && sym->st_shndx < SHN_LORESERVE)
+ || sym->st_shndx > SHN_HIRESERVE)
+ symsec = bfd_section_from_elf_index (ibfd, sym->st_shndx);
+ *symsecp = symsec;
}
- if (fdh != NULL
- && (fdh->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0
- && (info->shared
- || (fdh->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- || (fdh->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) != 0))
+ if (tlstypep != NULL)
{
- if (fdh->dynindx == -1)
- if (! bfd_elf64_link_record_dynamic_symbol (info, fdh))
- return false;
- fdh->elf_link_hash_flags |= (h->elf_link_hash_flags
- & (ELF_LINK_HASH_REF_REGULAR
- | ELF_LINK_HASH_REF_DYNAMIC
- | ELF_LINK_HASH_REF_REGULAR_NONWEAK
- | ELF_LINK_NON_GOT_REF));
- if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
+ struct got_entry **lgot_ents;
+ char *tlstype;
+
+ tlstype = NULL;
+ lgot_ents = elf_local_got_ents (ibfd);
+ if (lgot_ents != NULL)
{
- fdh->plt.refcount = h->plt.refcount;
- fdh->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ char *lgot_types = (char *) (lgot_ents + symtab_hdr->sh_info);
+ tlstype = &lgot_types[r_symndx];
}
- ((struct ppc_link_hash_entry *) fdh)->is_func_descriptor = 1;
- ((struct ppc_link_hash_entry *) fdh)->oh = h;
- ((struct ppc_link_hash_entry *) h)->oh = fdh;
+ *tlstypep = tlstype;
}
-
- /* Now that the info is on the function descriptor, clear the
- function code sym info. Any function code syms for which we
- don't have a definition in a regular file, we force local.
- This prevents a shared library from exporting syms that have
- been imported from another library. Function code syms that
- are really in the library we must leave global to prevent the
- linker dragging in a definition from a static library. */
- force_local = (info->shared
- && ((h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0
- || fdh == NULL
- || (fdh->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0
- || (fdh->elf_link_hash_flags
- & ELF_LINK_FORCED_LOCAL) != 0));
- _bfd_elf_link_hash_hide_symbol (info, h, force_local);
}
-
- return true;
+ return TRUE;
}
-#define MIN_SAVE_FPR 14
-#define MAX_SAVE_FPR 31
-
-/* Called near the start of bfd_elf_size_dynamic_sections. We use
- this hook to a) provide some gcc support functions, and b) transfer
- dynamic linking information gathered so far on function code symbol
- entries, to their corresponding function descriptor symbol entries. */
-static boolean
-ppc64_elf_func_desc_adjust (obfd, info)
- bfd *obfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info;
+static bfd_boolean
+get_tls_type (tls_type, locsymsp, rel, ibfd)
+ char **tls_type;
+ Elf_Internal_Sym **locsymsp;
+ const Elf_Internal_Rela *rel;
+ bfd *ibfd;
{
- struct ppc_link_hash_table *htab;
- unsigned int lowest_savef = MAX_SAVE_FPR + 2;
- unsigned int lowest_restf = MAX_SAVE_FPR + 2;
- unsigned int i;
+ unsigned long r_symndx;
struct elf_link_hash_entry *h;
- bfd_byte *p;
- char sym[10];
+ Elf_Internal_Sym *sym;
+ asection *sec;
+ bfd_vma off;
- htab = ppc_hash_table (info);
+ r_symndx = ELF64_R_SYM (rel->r_info);
+ if (!get_sym_h (&h, &sym, &sec, tls_type, locsymsp, r_symndx, ibfd))
+ return FALSE;
- if (htab->sfpr == NULL)
- /* We don't have any relocs. */
- return true;
+ if ((*tls_type != NULL && **tls_type != 0)
+ || sec == NULL
+ || ppc64_elf_section_data (sec)->t_symndx == NULL)
+ return TRUE;
- /* First provide any missing ._savef* and ._restf* functions. */
- memcpy (sym, "._savef14", 10);
- for (i = MIN_SAVE_FPR; i <= MAX_SAVE_FPR; i++)
+ /* Look inside a TOC section too. */
+ if (h != NULL)
{
- sym[7] = i / 10 + '0';
- sym[8] = i % 10 + '0';
- h = elf_link_hash_lookup (&htab->elf, sym, false, false, true);
- if (h != NULL
- && h->root.type == bfd_link_hash_undefined)
- {
- if (lowest_savef > i)
- lowest_savef = i;
- h->root.type = bfd_link_hash_defined;
- h->root.u.def.section = htab->sfpr;
- h->root.u.def.value = (i - lowest_savef) * 4;
- h->type = STT_FUNC;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
- _bfd_elf_link_hash_hide_symbol (info, h, info->shared);
- }
+ BFD_ASSERT (h->root.type == bfd_link_hash_defined);
+ off = h->root.u.def.value;
}
+ else
+ off = sym->st_value;
+ off += rel->r_addend;
+ BFD_ASSERT (off % 8 == 0);
+ r_symndx = ppc64_elf_section_data (sec)->t_symndx[off / 8];
+ return get_sym_h (&h, &sym, NULL, tls_type, locsymsp, r_symndx, ibfd);
+}
- memcpy (sym, "._restf14", 10);
- for (i = MIN_SAVE_FPR; i <= MAX_SAVE_FPR; i++)
+bfd_boolean
+ppc64_elf_edit_opd (obfd, info)
+ bfd *obfd;
+ struct bfd_link_info *info;
+{
+ bfd *ibfd;
+
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
{
- sym[7] = i / 10 + '0';
- sym[8] = i % 10 + '0';
- h = elf_link_hash_lookup (&htab->elf, sym, false, false, true);
- if (h != NULL
- && h->root.type == bfd_link_hash_undefined)
+ asection *sec;
+ Elf_Internal_Rela *relstart, *rel, *relend;
+ Elf_Internal_Shdr *symtab_hdr;
+ Elf_Internal_Sym *local_syms;
+ struct elf_link_hash_entry **sym_hashes;
+ bfd_vma offset;
+ bfd_size_type amt;
+ long *adjust;
+ bfd_boolean need_edit;
+
+ sec = bfd_get_section_by_name (ibfd, ".opd");
+ if (sec == NULL)
+ continue;
+
+ amt = sec->_raw_size * sizeof (long) / 24;
+ adjust = ppc64_elf_section_data (sec)->opd.adjust;
+ if (adjust == NULL)
{
- if (lowest_restf > i)
- lowest_restf = i;
- h->root.type = bfd_link_hash_defined;
- h->root.u.def.section = htab->sfpr;
- h->root.u.def.value = ((MAX_SAVE_FPR + 2 - lowest_savef) * 4
- + (i - lowest_restf) * 4);
- h->type = STT_FUNC;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
- _bfd_elf_link_hash_hide_symbol (info, h, info->shared);
+ /* Must be a ld -r link. ie. check_relocs hasn't been
+ called. */
+ adjust = (long *) bfd_zalloc (obfd, amt);
+ ppc64_elf_section_data (sec)->opd.adjust = adjust;
}
- }
+ memset (adjust, 0, (size_t) amt);
- elf_link_hash_traverse (&htab->elf, func_desc_adjust, (PTR) info);
+ if (sec->output_section == bfd_abs_section_ptr)
+ continue;
- htab->sfpr->_raw_size = ((MAX_SAVE_FPR + 2 - lowest_savef) * 4
- + (MAX_SAVE_FPR + 2 - lowest_restf) * 4);
+ /* Look through the section relocs. */
+ if ((sec->flags & SEC_RELOC) == 0 || sec->reloc_count == 0)
+ continue;
- if (htab->sfpr->_raw_size == 0)
- {
- if (!htab->have_undefweak)
+ local_syms = NULL;
+ symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (ibfd);
+
+ /* Read the relocations. */
+ relstart = _bfd_elf64_link_read_relocs (ibfd, sec, (PTR) NULL,
+ (Elf_Internal_Rela *) NULL,
+ info->keep_memory);
+ if (relstart == NULL)
+ return FALSE;
+
+ /* First run through the relocs to check they are sane, and to
+ determine whether we need to edit this opd section. */
+ need_edit = FALSE;
+ offset = 0;
+ relend = relstart + sec->reloc_count;
+ for (rel = relstart; rel < relend; rel++)
{
- _bfd_strip_section_from_output (info, htab->sfpr);
- return true;
- }
+ enum elf_ppc64_reloc_type r_type;
+ unsigned long r_symndx;
+ asection *sym_sec;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+
+ /* .opd contains a regular array of 24 byte entries. We're
+ only interested in the reloc pointing to a function entry
+ point. */
+ r_type = (enum elf_ppc64_reloc_type) ELF64_R_TYPE (rel->r_info);
+ if (r_type == R_PPC64_TOC)
+ continue;
- htab->sfpr->_raw_size = 4;
- }
+ if (r_type != R_PPC64_ADDR64)
+ {
+ (*_bfd_error_handler)
+ (_("%s: unexpected reloc type %u in .opd section"),
+ bfd_archive_filename (ibfd), r_type);
+ need_edit = FALSE;
+ break;
+ }
- p = (bfd_byte *) bfd_alloc (htab->elf.dynobj, htab->sfpr->_raw_size);
- if (p == NULL)
- return false;
- htab->sfpr->contents = p;
+ if (rel + 1 >= relend)
+ continue;
+ r_type = (enum elf_ppc64_reloc_type) ELF64_R_TYPE ((rel + 1)->r_info);
+ if (r_type != R_PPC64_TOC)
+ continue;
- for (i = lowest_savef; i <= MAX_SAVE_FPR; i++)
- {
- unsigned int fpr = i << 21;
- unsigned int stackoff = (1 << 16) - (MAX_SAVE_FPR + 1 - i) * 8;
- bfd_put_32 (htab->elf.dynobj, STFD_FR0_0R1 + fpr + stackoff, p);
- p += 4;
- }
- if (lowest_savef <= MAX_SAVE_FPR)
- {
- bfd_put_32 (htab->elf.dynobj, BLR, p);
- p += 4;
- }
+ if (rel->r_offset != offset)
+ {
+ /* If someone messes with .opd alignment then after a
+ "ld -r" we might have padding in the middle of .opd.
+ Also, there's nothing to prevent someone putting
+ something silly in .opd with the assembler. No .opd
+ optimization for them! */
+ (*_bfd_error_handler)
+ (_("%s: .opd is not a regular array of opd entries"),
+ bfd_archive_filename (ibfd));
+ need_edit = FALSE;
+ break;
+ }
- for (i = lowest_restf; i <= MAX_SAVE_FPR; i++)
- {
- unsigned int fpr = i << 21;
- unsigned int stackoff = (1 << 16) - (MAX_SAVE_FPR + 1 - i) * 8;
- bfd_put_32 (htab->elf.dynobj, LFD_FR0_0R1 + fpr + stackoff, p);
- p += 4;
- }
- if (lowest_restf <= MAX_SAVE_FPR
- || htab->sfpr->_raw_size == 4)
- {
- bfd_put_32 (htab->elf.dynobj, BLR, p);
- }
+ r_symndx = ELF64_R_SYM (rel->r_info);
+ if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
+ r_symndx, ibfd))
+ goto error_free_rel;
- return true;
-}
+ if (sym_sec == NULL || sym_sec->owner == NULL)
+ {
+ const char *sym_name;
+ if (h != NULL)
+ sym_name = h->root.root.string;
+ else
+ sym_name = bfd_elf_local_sym_name (ibfd, sym);
-/* 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. */
+ (*_bfd_error_handler)
+ (_("%s: undefined sym `%s' in .opd section"),
+ bfd_archive_filename (ibfd),
+ sym_name);
+ need_edit = FALSE;
+ break;
+ }
-static boolean
-ppc64_elf_adjust_dynamic_symbol (info, h)
- struct bfd_link_info *info;
- struct elf_link_hash_entry *h;
-{
- struct ppc_link_hash_table *htab;
- struct ppc_link_hash_entry * eh;
- struct ppc_dyn_relocs *p;
- asection *s;
- unsigned int power_of_two;
+ /* opd entries are always for functions defined in the
+ current input bfd. If the symbol isn't defined in the
+ input bfd, then we won't be using the function in this
+ bfd; It must be defined in a linkonce section in another
+ bfd, or is weak. It's also possible that we are
+ discarding the function due to a linker script /DISCARD/,
+ which we test for via the output_section. */
+ if (sym_sec->owner != ibfd
+ || sym_sec->output_section == bfd_abs_section_ptr)
+ need_edit = TRUE;
+
+ offset += 24;
+ }
- htab = ppc_hash_table (info);
+ if (need_edit)
+ {
+ Elf_Internal_Rela *write_rel;
+ bfd_byte *rptr, *wptr;
+ bfd_boolean skip;
+
+ /* This seems a waste of time as input .opd sections are all
+ zeros as generated by gcc, but I suppose there's no reason
+ this will always be so. We might start putting something in
+ the third word of .opd entries. */
+ if ((sec->flags & SEC_IN_MEMORY) == 0)
+ {
+ bfd_byte *loc = bfd_alloc (ibfd, sec->_raw_size);
+ if (loc == NULL
+ || !bfd_get_section_contents (ibfd, sec, loc, (bfd_vma) 0,
+ sec->_raw_size))
+ {
+ if (local_syms != NULL
+ && symtab_hdr->contents != (unsigned char *) local_syms)
+ free (local_syms);
+ error_free_rel:
+ if (elf_section_data (sec)->relocs != relstart)
+ free (relstart);
+ return FALSE;
+ }
+ sec->contents = loc;
+ sec->flags |= (SEC_IN_MEMORY | SEC_HAS_CONTENTS);
+ }
- /* Deal with function syms. */
- if (h->type == STT_FUNC
- || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
- {
- /* Clear procedure linkage table information for any symbol that
- won't need a .plt entry. */
- if (!((struct ppc_link_hash_entry *) h)->is_func_descriptor
- || h->plt.refcount <= 0
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
- || (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0))
+ elf_section_data (sec)->relocs = relstart;
+
+ wptr = sec->contents;
+ rptr = sec->contents;
+ write_rel = relstart;
+ skip = FALSE;
+ offset = 0;
+ for (rel = relstart; rel < relend; rel++)
+ {
+ if (rel->r_offset == offset)
+ {
+ unsigned long r_symndx;
+ asection *sym_sec;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+
+ r_symndx = ELF64_R_SYM (rel->r_info);
+ get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
+ r_symndx, ibfd);
+
+ skip = (sym_sec->owner != ibfd
+ || sym_sec->output_section == bfd_abs_section_ptr);
+ if (skip)
+ {
+ if (h != NULL && sym_sec->owner == ibfd)
+ {
+ /* Arrange for the function descriptor sym
+ to be dropped. */
+ struct ppc_link_hash_entry *fdh;
+ struct ppc_link_hash_entry *fh;
+
+ fh = (struct ppc_link_hash_entry *) h;
+ fdh = (struct ppc_link_hash_entry *) fh->oh;
+ if (fdh == NULL)
+ {
+ const char *fd_name;
+ struct ppc_link_hash_table *htab;
+
+ fd_name = h->root.root.string + 1;
+ htab = ppc_hash_table (info);
+ fdh = (struct ppc_link_hash_entry *)
+ elf_link_hash_lookup (&htab->elf, fd_name,
+ FALSE, FALSE, FALSE);
+ fdh->is_func_descriptor = 1;
+ fdh->oh = &fh->elf;
+ fh->is_func = 1;
+ fh->oh = &fdh->elf;
+ }
+
+ fdh->elf.root.u.def.value = 0;
+ fdh->elf.root.u.def.section = sym_sec;
+ }
+ }
+ else
+ {
+ /* We'll be keeping this opd entry. */
+
+ if (h != NULL)
+ {
+ /* Redefine the function descriptor symbol
+ to this location in the opd section.
+ We've checked above that opd relocs are
+ ordered. */
+ struct ppc_link_hash_entry *fdh;
+ struct ppc_link_hash_entry *fh;
+
+ fh = (struct ppc_link_hash_entry *) h;
+ fdh = (struct ppc_link_hash_entry *) fh->oh;
+ if (fdh == NULL)
+ {
+ const char *fd_name;
+ struct ppc_link_hash_table *htab;
+
+ fd_name = h->root.root.string + 1;
+ htab = ppc_hash_table (info);
+ fdh = (struct ppc_link_hash_entry *)
+ elf_link_hash_lookup (&htab->elf, fd_name,
+ FALSE, FALSE, FALSE);
+ fdh->is_func_descriptor = 1;
+ fdh->oh = &fh->elf;
+ fh->is_func = 1;
+ fh->oh = &fdh->elf;
+ }
+
+ fdh->elf.root.u.def.value = wptr - sec->contents;
+ }
+ else
+ {
+ /* Local syms are a bit tricky. We could
+ tweak them as they can be cached, but
+ we'd need to look through the local syms
+ for the function descriptor sym which we
+ don't have at the moment. So keep an
+ array of adjustments. */
+ adjust[rel->r_offset / 24] = wptr - rptr;
+ }
+
+ if (wptr != rptr)
+ memcpy (wptr, rptr, 24);
+ wptr += 24;
+ }
+ rptr += 24;
+ offset += 24;
+ }
+
+ /* We need to adjust any reloc offsets to point to the
+ new opd entries. While we're at it, we may as well
+ remove redundant relocs. */
+ if (!skip)
+ {
+ rel->r_offset += wptr - rptr;
+ if (write_rel != rel)
+ memcpy (write_rel, rel, sizeof (*rel));
+ ++write_rel;
+ }
+ }
+
+ sec->_cooked_size = wptr - sec->contents;
+ sec->reloc_count = write_rel - relstart;
+ /* Fudge the size too, as this is used later in
+ elf_bfd_final_link if we are emitting relocs. */
+ elf_section_data (sec)->rel_hdr.sh_size
+ = sec->reloc_count * elf_section_data (sec)->rel_hdr.sh_entsize;
+ BFD_ASSERT (elf_section_data (sec)->rel_hdr2 == NULL);
+ }
+ else if (elf_section_data (sec)->relocs != relstart)
+ free (relstart);
+
+ if (local_syms != NULL
+ && symtab_hdr->contents != (unsigned char *) local_syms)
{
- h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ if (!info->keep_memory)
+ free (local_syms);
+ else
+ symtab_hdr->contents = (unsigned char *) local_syms;
}
- return true;
}
- else
- h->plt.offset = (bfd_vma) -1;
- /* 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;
- }
+ return TRUE;
+}
- /* This is a reference to a symbol defined by a dynamic object which
- is not a function. */
+/* Run through all the TLS relocs looking for optimization
+ opportunities. The linker has been hacked (see ppc64elf.em) to do
+ a preliminary section layout so that we know the TLS segment
+ offsets. We can't optimize earlier because some optimizations need
+ to know the tp offset, and we need to optimize before allocating
+ dynamic relocations. */
- /* 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;
+bfd_boolean
+ppc64_elf_tls_optimize (obfd, info)
+ bfd *obfd;
+ struct bfd_link_info *info;
+{
+ asection *tls;
+ bfd *ibfd;
+ asection *sec;
+ struct ppc_link_hash_table *htab;
- /* If there are no references to this symbol that do not use the
- GOT, we don't need to generate a copy reloc. */
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
- return true;
+ if (info->relocateable)
+ return TRUE;
- eh = (struct ppc_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- s = p->sec->output_section;
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- break;
- }
+ for (tls = obfd->sections; tls != NULL; tls = tls->next)
+ if ((tls->flags & (SEC_THREAD_LOCAL | SEC_LOAD))
+ == (SEC_THREAD_LOCAL | SEC_LOAD))
+ break;
+ if (tls == NULL)
+ return TRUE;
- /* If we didn't find any dynamic relocs in read-only sections, then
- we'll be keeping the dynamic relocs and avoiding the copy reloc. */
- if (p == NULL)
- {
- h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
- return true;
- }
+ htab = ppc_hash_table (info);
+ htab->tls_sec = tls;
- /* 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. */
+ if (info->shared)
+ return TRUE;
- /* 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)
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
{
- htab->srelbss->_raw_size += sizeof (Elf64_External_Rela);
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
- }
+ Elf_Internal_Sym *locsyms = NULL;
- /* 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 > 4)
- power_of_two = 4;
+ for (sec = ibfd->sections; sec != NULL; sec = sec->next)
+ if (sec->has_tls_reloc && !bfd_is_abs_section (sec->output_section))
+ {
+ Elf_Internal_Rela *relstart, *rel, *relend;
+ int expecting_tls_get_addr;
+
+ /* Read the relocations. */
+ relstart = _bfd_elf64_link_read_relocs (ibfd, sec, (PTR) NULL,
+ (Elf_Internal_Rela *) NULL,
+ info->keep_memory);
+ if (relstart == NULL)
+ return FALSE;
+
+ expecting_tls_get_addr = 0;
+ relend = relstart + sec->reloc_count;
+ for (rel = relstart; rel < relend; rel++)
+ {
+ enum elf_ppc64_reloc_type r_type;
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+ asection *sym_sec;
+ char *tls_type;
+ char tls_set, tls_clear, got_tls_type = 0;
+ bfd_vma value;
+ bfd_boolean ok_tprel;
+
+ r_symndx = ELF64_R_SYM (rel->r_info);
+ if (!get_sym_h (&h, &sym, &sym_sec, &tls_type, &locsyms,
+ r_symndx, ibfd))
+ {
+ err_free_rel:
+ if (elf_section_data (sec)->relocs != relstart)
+ free (relstart);
+ if (locsyms != NULL
+ && (elf_tdata (ibfd)->symtab_hdr.contents
+ != (unsigned char *) locsyms))
+ free (locsyms);
+ return FALSE;
+ }
- /* Apply the required alignment. */
- s = htab->sdynbss;
- s->_raw_size = BFD_ALIGN (s->_raw_size, (bfd_size_type) (1 << power_of_two));
- if (power_of_two > bfd_get_section_alignment (htab->elf.dynobj, s))
- {
- if (! bfd_set_section_alignment (htab->elf.dynobj, s, power_of_two))
- return false;
- }
+ if (h != NULL)
+ {
+ if (h->root.type != bfd_link_hash_defined
+ && h->root.type != bfd_link_hash_defweak)
+ continue;
+ value = h->root.u.def.value;
+ }
+ else
+ value = sym->st_value;
+ ok_tprel = FALSE;
+ if (sym_sec != NULL && sym_sec->output_section != NULL)
+ {
+ value += sym_sec->output_offset;
+ value += sym_sec->output_section->vma;
+ value -= htab->tls_sec->vma;
+ ok_tprel = (value + TP_OFFSET + ((bfd_vma) 1 << 31)
+ < (bfd_vma) 1 << 32);
+ }
- /* 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;
+ r_type
+ = (enum elf_ppc64_reloc_type) ELF64_R_TYPE (rel->r_info);
+ switch (r_type)
+ {
+ case R_PPC64_GOT_TLSLD16:
+ case R_PPC64_GOT_TLSLD16_LO:
+ case R_PPC64_GOT_TLSLD16_HI:
+ case R_PPC64_GOT_TLSLD16_HA:
+ htab->tlsld_got.refcount -= 1;
+ if (ok_tprel)
+ /* LD -> LE */
+ tls_set = 0;
+ else
+ /* We still need a GOT entry as the offset is
+ too big. ie. LD -> IE. */
+ tls_set = TLS_TLS | TLS_TPREL;
+ tls_clear = TLS_GD_LD;
+ got_tls_type = TLS_TLS | TLS_GD_LD | TLS_LD;
+ expecting_tls_get_addr = 1;
+ break;
- /* Increment the section size to make room for the symbol. */
- s->_raw_size += h->size;
+ case R_PPC64_GOT_TLSGD16:
+ case R_PPC64_GOT_TLSGD16_LO:
+ case R_PPC64_GOT_TLSGD16_HI:
+ case R_PPC64_GOT_TLSGD16_HA:
+ if (ok_tprel
+ && (h == NULL
+ || ((h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) != 0
+ && ((h->elf_link_hash_flags
+ & ELF_LINK_FORCED_LOCAL) != 0
+ || !info->shared
+ || info->symbolic))))
+ /* GD -> LE */
+ tls_set = 0;
+ else
+ /* GD -> IE */
+ tls_set = TLS_TLS | TLS_TPREL;
+ tls_clear = TLS_GD_LD;
+ got_tls_type = TLS_TLS | TLS_GD_LD;
+ expecting_tls_get_addr = 1;
+ break;
- return true;
-}
+ case R_PPC64_GOT_TPREL16_DS:
+ case R_PPC64_GOT_TPREL16_LO_DS:
+ case R_PPC64_GOT_TPREL16_HI:
+ case R_PPC64_GOT_TPREL16_HA:
+ expecting_tls_get_addr = 0;
+ if (ok_tprel)
+ {
+ /* IE -> LE */
+ tls_set = 0;
+ tls_clear = TLS_TPREL;
+ got_tls_type = TLS_TLS | TLS_TPREL;
+ break;
+ }
+ else
+ continue;
-/* If given a function descriptor symbol, hide both the function code
- sym and the descriptor. */
-static void
-ppc64_elf_hide_symbol (info, h, force_local)
- struct bfd_link_info *info;
- struct elf_link_hash_entry *h;
- boolean force_local;
-{
- _bfd_elf_link_hash_hide_symbol (info, h, force_local);
+ case R_PPC64_REL14:
+ case R_PPC64_REL14_BRTAKEN:
+ case R_PPC64_REL14_BRNTAKEN:
+ case R_PPC64_REL24:
+ if (h != NULL
+ && h == htab->tls_get_addr)
+ {
+ if (!expecting_tls_get_addr
+ && rel != relstart
+ && ((ELF64_R_TYPE (rel[-1].r_info)
+ == R_PPC64_TOC16)
+ || (ELF64_R_TYPE (rel[-1].r_info)
+ == R_PPC64_TOC16_LO)))
+ {
+ /* Check for toc tls entries. */
+ char *toc_tls;
+
+ if (!get_tls_type (&toc_tls, &locsyms,
+ rel - 1, ibfd))
+ goto err_free_rel;
+ if (toc_tls != NULL)
+ expecting_tls_get_addr = *toc_tls != 0;
+ }
+
+ if (expecting_tls_get_addr)
+ {
+ struct plt_entry *ent;
+ for (ent = h->plt.plist; ent; ent = ent->next)
+ if (ent->addend == 0)
+ {
+ if (ent->plt.refcount > 0)
+ ent->plt.refcount -= 1;
+ break;
+ }
+ }
+ }
+ expecting_tls_get_addr = 0;
+ continue;
- if (((struct ppc_link_hash_entry *) h)->is_func_descriptor)
- {
- struct elf_link_hash_entry *fh = ((struct ppc_link_hash_entry *) h)->oh;
+ case R_PPC64_TPREL64:
+ expecting_tls_get_addr = 0;
+ if (ok_tprel)
+ {
+ /* IE -> LE */
+ tls_set = TLS_EXPLICIT;
+ tls_clear = TLS_TPREL;
+ break;
+ }
+ else
+ continue;
- if (fh == NULL)
- {
- const char *p, *q;
- struct ppc_link_hash_table *htab;
- char save;
+ case R_PPC64_DTPMOD64:
+ expecting_tls_get_addr = 0;
+ if ((*tls_type & TLS_LD) == 0)
+ {
+ if ((h == NULL
+ || ((h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) != 0
+ && ((h->elf_link_hash_flags
+ & ELF_LINK_FORCED_LOCAL) != 0
+ || !info->shared
+ || info->symbolic)))
+ && ok_tprel)
+ /* GD -> LE */
+ tls_set = TLS_EXPLICIT;
+ else
+ /* GD -> IE */
+ tls_set = TLS_EXPLICIT | TLS_TPREL;
+ tls_clear = TLS_GD_LD;
+ }
+ else
+ {
+ if (ok_tprel)
+ /* LD -> LE */
+ tls_set = TLS_EXPLICIT;
+ else
+ /* LD -> IE */
+ tls_set = TLS_EXPLICIT | TLS_TPREL;
+ tls_clear = TLS_GD_LD;
+ }
+ break;
- /* We aren't supposed to use alloca in BFD because on
- systems which do not have alloca the version in libiberty
- calls xmalloc, which might cause the program to crash
- when it runs out of memory. This function doesn't have a
- return status, so there's no way to gracefully return an
- error. So cheat. We know that string[-1] can be safely
- dereferenced; It's either a string in an ELF string
- table, or allocated in an objalloc structure. */
+ default:
+ expecting_tls_get_addr = 0;
+ continue;
+ }
- p = h->root.root.string - 1;
- save = *p;
- *(char *) p = '.';
- htab = ppc_hash_table (info);
- fh = elf_link_hash_lookup (&htab->elf, p, false, false, false);
- *(char *) p = save;
+ if ((tls_set & TLS_EXPLICIT) == 0)
+ {
+ struct got_entry *ent;
- /* Unfortunately, if it so happens that the string we were
- looking for was allocated immediately before this string,
- then we overwrote the string terminator. That's the only
- reason the lookup should fail. */
- if (fh == NULL)
- {
- q = h->root.root.string + strlen (h->root.root.string);
- while (q >= h->root.root.string && *q == *p)
- --q, --p;
- if (q < h->root.root.string && *p == '.')
- fh = elf_link_hash_lookup (&htab->elf, p, false, false, false);
- }
- if (fh != NULL)
- {
- ((struct ppc_link_hash_entry *) h)->oh = fh;
- ((struct ppc_link_hash_entry *) fh)->oh = h;
- }
+ /* Adjust got entry for this reloc. */
+ if (h != NULL)
+ ent = h->got.glist;
+ else
+ ent = elf_local_got_ents (ibfd)[r_symndx];
+
+ for (; ent != NULL; ent = ent->next)
+ if (ent->addend == rel->r_addend
+ && ent->tls_type == got_tls_type)
+ break;
+ if (ent == NULL)
+ abort ();
+
+ if (tls_set == 0)
+ {
+ /* We managed to get rid of a got entry. */
+ if (ent->got.refcount > 0)
+ ent->got.refcount -= 1;
+ }
+ else
+ ent->tls_type = tls_set;
+ }
+ else if (h != NULL)
+ {
+ struct ppc_link_hash_entry * eh;
+ struct ppc_dyn_relocs **pp;
+ struct ppc_dyn_relocs *p;
+
+ /* Adjust dynamic relocs. */
+ eh = (struct ppc_link_hash_entry *) h;
+ for (pp = &eh->dyn_relocs;
+ (p = *pp) != NULL;
+ pp = &p->next)
+ if (p->sec == sec)
+ {
+ /* If we got rid of a DTPMOD/DTPREL reloc
+ pair then we'll lose one or two dyn
+ relocs. */
+ if (tls_clear == TLS_GD_LD
+ && rel + 1 < relend
+ && (rel[1].r_info
+ == ELF64_R_INFO (r_symndx, R_PPC64_DTPREL64))
+ && rel[1].r_offset == rel->r_offset + 8)
+ p->count -= 1;
+ if (tls_set == TLS_EXPLICIT)
+ p->count -= 1;
+ if (p->count == 0)
+ *pp = p->next;
+ break;
+ }
+ }
+
+ *tls_type |= tls_set;
+ *tls_type &= ~tls_clear;
+ }
+
+ if (elf_section_data (sec)->relocs != relstart)
+ free (relstart);
+ }
+
+ if (locsyms != NULL
+ && (elf_tdata (ibfd)->symtab_hdr.contents
+ != (unsigned char *) locsyms))
+ {
+ if (!info->keep_memory)
+ free (locsyms);
+ else
+ elf_tdata (ibfd)->symtab_hdr.contents = (unsigned char *) locsyms;
}
- if (fh != NULL)
- _bfd_elf_link_hash_hide_symbol (info, fh, force_local);
}
+ return TRUE;
}
/* This is the condition under which ppc64_elf_finish_dynamic_symbol
/* Allocate space in .plt, .got and associated reloc sections for
dynamic relocs. */
-static boolean
+static bfd_boolean
allocate_dynrelocs (h, inf)
struct elf_link_hash_entry *h;
PTR inf;
asection *s;
struct ppc_link_hash_entry *eh;
struct ppc_dyn_relocs *p;
+ struct got_entry *gent;
if (h->root.type == bfd_link_hash_indirect)
- return true;
+ return TRUE;
if (h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
htab = ppc_hash_table (info);
if (htab->elf.dynamic_sections_created
- && h->plt.refcount > 0
- && h->dynindx != -1)
+ && h->dynindx != -1
+ && WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h))
{
- BFD_ASSERT (((struct ppc_link_hash_entry *) h)->is_func_descriptor);
-
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h))
- {
- /* If this is the first .plt entry, make room for the special
- first entry. */
- s = htab->splt;
- if (s->_raw_size == 0)
- s->_raw_size += PLT_INITIAL_ENTRY_SIZE;
-
- h->plt.offset = s->_raw_size;
-
- /* Make room for this entry. */
- s->_raw_size += PLT_ENTRY_SIZE;
-
- /* Make room for the .glink code. */
- s = htab->sglink;
- if (s->_raw_size == 0)
- s->_raw_size += GLINK_CALL_STUB_SIZE;
- /* We need bigger stubs past index 32767. */
- if (s->_raw_size >= GLINK_CALL_STUB_SIZE + 32768*2*4)
- s->_raw_size += 4;
- s->_raw_size += 2*4;
-
- /* We also need to make an entry in the .rela.plt section. */
- s = htab->srelplt;
- s->_raw_size += sizeof (Elf64_External_Rela);
- }
- else
+ struct plt_entry *pent;
+ bfd_boolean doneone = FALSE;
+ for (pent = h->plt.plist; pent != NULL; pent = pent->next)
+ if (pent->plt.refcount > 0)
+ {
+ BFD_ASSERT (((struct ppc_link_hash_entry *) h)->is_func_descriptor);
+
+ /* If this is the first .plt entry, make room for the special
+ first entry. */
+ s = htab->splt;
+ if (s->_raw_size == 0)
+ s->_raw_size += PLT_INITIAL_ENTRY_SIZE;
+
+ pent->plt.offset = s->_raw_size;
+
+ /* Make room for this entry. */
+ s->_raw_size += PLT_ENTRY_SIZE;
+
+ /* Make room for the .glink code. */
+ s = htab->sglink;
+ if (s->_raw_size == 0)
+ s->_raw_size += GLINK_CALL_STUB_SIZE;
+ /* We need bigger stubs past index 32767. */
+ if (s->_raw_size >= GLINK_CALL_STUB_SIZE + 32768*2*4)
+ s->_raw_size += 4;
+ s->_raw_size += 2*4;
+
+ /* We also need to make an entry in the .rela.plt section. */
+ s = htab->srelplt;
+ s->_raw_size += sizeof (Elf64_External_Rela);
+ doneone = TRUE;
+ }
+ else
+ pent->plt.offset = (bfd_vma) -1;
+ if (!doneone)
{
- h->plt.offset = (bfd_vma) -1;
+ h->plt.plist = NULL;
h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
}
}
else
{
- h->plt.offset = (bfd_vma) -1;
+ h->plt.plist = NULL;
h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
}
- if (h->got.refcount > 0)
- {
- boolean dyn;
-
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
- {
- if (! bfd_elf64_link_record_dynamic_symbol (info, h))
- return false;
- }
+ for (gent = h->got.glist; gent != NULL; gent = gent->next)
+ if (gent->got.refcount > 0)
+ {
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ {
+ if (! bfd_elf64_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
- s = htab->sgot;
- h->got.offset = s->_raw_size;
- s->_raw_size += 8;
- dyn = htab->elf.dynamic_sections_created;
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h))
- htab->srelgot->_raw_size += sizeof (Elf64_External_Rela);
- }
- else
- h->got.offset = (bfd_vma) -1;
+ if ((gent->tls_type & TLS_LD) != 0)
+ gent->got.offset = htab->tlsld_got.offset;
+ else
+ {
+ bfd_boolean dyn;
+
+ s = htab->sgot;
+ gent->got.offset = s->_raw_size;
+ s->_raw_size += (gent->tls_type & TLS_GD_LD) != 0 ? 16 : 8;
+ dyn = htab->elf.dynamic_sections_created;
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h))
+ htab->srelgot->_raw_size
+ += ((gent->tls_type & TLS_GD_LD) != 0
+ ? 2 * sizeof (Elf64_External_Rela)
+ : sizeof (Elf64_External_Rela));
+ }
+ }
+ else
+ gent->got.offset = (bfd_vma) -1;
eh = (struct ppc_link_hash_entry *) h;
if (eh->dyn_relocs == NULL)
- return true;
+ return TRUE;
/* In the shared -Bsymbolic case, discard space allocated for
dynamic pc-relative relocs against symbols which turn out to be
&& (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
{
if (! bfd_elf64_link_record_dynamic_symbol (info, h))
- return false;
+ return FALSE;
}
/* If that succeeded, we know we'll be keeping all the
sreloc->_raw_size += p->count * sizeof (Elf64_External_Rela);
}
- return true;
+ return TRUE;
}
/* Find any dynamic relocs that apply to read-only sections. */
-static boolean
+static bfd_boolean
readonly_dynrelocs (h, inf)
struct elf_link_hash_entry *h;
PTR inf;
info->flags |= DF_TEXTREL;
/* Not an error, just cut short the traversal. */
- return false;
+ return FALSE;
}
}
- return true;
+ return TRUE;
}
/* Set the sizes of the dynamic sections. */
-static boolean
+static bfd_boolean
ppc64_elf_size_dynamic_sections (output_bfd, info)
bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
struct ppc_link_hash_table *htab;
bfd *dynobj;
asection *s;
- boolean relocs;
+ bfd_boolean relocs;
bfd *ibfd;
htab = ppc_hash_table (info);
}
}
+ if (htab->tlsld_got.refcount > 0)
+ {
+ htab->tlsld_got.offset = htab->sgot->_raw_size;
+ htab->sgot->_raw_size += 16;
+ if (info->shared)
+ htab->srelgot->_raw_size += sizeof (Elf64_External_Rela);
+ }
+ else
+ htab->tlsld_got.offset = (bfd_vma) -1;
+
/* Set up .got offsets for local syms, and space for local dynamic
relocs. */
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
{
- bfd_signed_vma *local_got;
- bfd_signed_vma *end_local_got;
+ struct got_entry **lgot_ents;
+ struct got_entry **end_lgot_ents;
bfd_size_type locsymcount;
Elf_Internal_Shdr *symtab_hdr;
asection *srel;
}
}
- local_got = elf_local_got_refcounts (ibfd);
- if (!local_got)
+ lgot_ents = elf_local_got_ents (ibfd);
+ if (!lgot_ents)
continue;
symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
locsymcount = symtab_hdr->sh_info;
- end_local_got = local_got + locsymcount;
+ end_lgot_ents = lgot_ents + locsymcount;
s = htab->sgot;
srel = htab->srelgot;
- for (; local_got < end_local_got; ++local_got)
+ for (; lgot_ents < end_lgot_ents; ++lgot_ents)
{
- if (*local_got > 0)
- {
- *local_got = s->_raw_size;
- s->_raw_size += 8;
- if (info->shared)
- srel->_raw_size += sizeof (Elf64_External_Rela);
- }
- else
- *local_got = (bfd_vma) -1;
+ struct got_entry *ent;
+
+ for (ent = *lgot_ents; ent != NULL; ent = ent->next)
+ if (ent->got.refcount > 0)
+ {
+ if ((ent->tls_type & TLS_LD) != 0)
+ {
+ if (htab->tlsld_got.offset == (bfd_vma) -1)
+ {
+ htab->tlsld_got.offset = s->_raw_size;
+ s->_raw_size += 16;
+ if (info->shared)
+ srel->_raw_size += sizeof (Elf64_External_Rela);
+ }
+ ent->got.offset = htab->tlsld_got.offset;
+ }
+ else
+ {
+ ent->got.offset = s->_raw_size;
+ if ((ent->tls_type & TLS_GD_LD) != 0)
+ {
+ s->_raw_size += 16;
+ if (info->shared)
+ srel->_raw_size += 2 * sizeof (Elf64_External_Rela);
+ }
+ else
+ {
+ s->_raw_size += 8;
+ if (info->shared)
+ srel->_raw_size += sizeof (Elf64_External_Rela);
+ }
+ }
+ }
+ else
+ ent->got.offset = (bfd_vma) -1;
}
}
/* We now have determined the sizes of the various dynamic sections.
Allocate memory for them. */
- relocs = false;
+ relocs = FALSE;
for (s = dynobj->sections; s != NULL; s = s->next)
{
if ((s->flags & SEC_LINKER_CREATED) == 0)
continue;
+ /* Reset _cooked_size since prelim layout will set it wrongly,
+ and a non-zero _cooked_size sticks. */
+ s->_cooked_size = 0;
+
if (s == htab->sbrlt || s == htab->srelbrlt)
/* These haven't been allocated yet; don't strip. */
continue;
else
{
if (s != htab->srelplt)
- relocs = true;
+ relocs = TRUE;
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
/* Allocate memory for the section contents. We use bfd_zalloc
here in case unused entries are not reclaimed before the
section's contents are written out. This should not happen,
- but this way if it does, we get a R_PPC64_NONE reloc instead
- of garbage. */
+ but this way if it does we get a R_PPC64_NONE reloc in .rela
+ sections instead of garbage.
+ We also rely on the section contents being zero when writing
+ the GOT. */
s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
if (s->contents == NULL)
- return false;
+ return FALSE;
}
if (htab->elf.dynamic_sections_created)
if (!info->shared)
{
if (!add_dynamic_entry (DT_DEBUG, 0))
- return false;
+ return FALSE;
}
if (htab->splt != NULL && htab->splt->_raw_size != 0)
|| !add_dynamic_entry (DT_PLTREL, DT_RELA)
|| !add_dynamic_entry (DT_JMPREL, 0)
|| !add_dynamic_entry (DT_PPC64_GLINK, 0))
- return false;
+ return FALSE;
}
if (NO_OPD_RELOCS)
{
if (!add_dynamic_entry (DT_PPC64_OPD, 0)
|| !add_dynamic_entry (DT_PPC64_OPDSZ, 0))
- return false;
+ return FALSE;
}
if (relocs)
if (!add_dynamic_entry (DT_RELA, 0)
|| !add_dynamic_entry (DT_RELASZ, 0)
|| !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela)))
- return false;
+ return FALSE;
/* If any dynamic relocs apply to a read-only section,
then we need a DT_TEXTREL entry. */
if ((info->flags & DF_TEXTREL) != 0)
{
if (!add_dynamic_entry (DT_TEXTREL, 0))
- return false;
+ return FALSE;
}
}
}
#undef add_dynamic_entry
- return true;
+ return TRUE;
}
/* Determine the type of stub needed, if any, for a call. */
if (h != NULL)
{
if (h->oh != NULL
- && h->oh->plt.offset != (bfd_vma) -1
&& h->oh->dynindx != -1)
{
- *hash = (struct ppc_link_hash_entry *) h->oh;
- return ppc_stub_plt_call;
+ struct plt_entry *ent;
+ for (ent = h->oh->plt.plist; ent != NULL; ent = ent->next)
+ if (ent->addend == rel->r_addend
+ && ent->plt.offset != (bfd_vma) -1)
+ {
+ *hash = (struct ppc_link_hash_entry *) h->oh;
+ return ppc_stub_plt_call;
+ }
}
if (h->elf.root.type == bfd_link_hash_undefweak
return p;
}
-static boolean
+static bfd_boolean
ppc_build_one_stub (gen_entry, in_arg)
struct bfd_hash_entry *gen_entry;
PTR in_arg;
bfd_byte *loc;
bfd_byte *p;
unsigned int indx;
+ struct plt_entry *ent;
bfd_vma off;
int size;
case ppc_stub_plt_branch:
br_entry = ppc_branch_hash_lookup (&htab->branch_hash_table,
stub_entry->root.string + 9,
- false, false);
+ FALSE, FALSE);
if (br_entry == NULL)
{
(*_bfd_error_handler) (_("can't find branch stub `%s'"),
stub_entry->root.string + 9);
- htab->stub_error = true;
- return false;
+ htab->stub_error = TRUE;
+ return FALSE;
}
off = (stub_entry->target_value
{
/* Create a reloc for the branch lookup table entry. */
Elf_Internal_Rela rela;
- Elf64_External_Rela *r;
+ bfd_byte *loc;
rela.r_offset = (br_entry->offset
+ htab->sbrlt->output_offset
rela.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
rela.r_addend = off;
- r = (Elf64_External_Rela *) htab->srelbrlt->contents;
- r += htab->srelbrlt->reloc_count++;
- bfd_elf64_swap_reloca_out (htab->srelbrlt->owner, &rela, r);
+ loc = htab->srelbrlt->contents;
+ loc += htab->srelbrlt->reloc_count++ * sizeof (Elf64_External_Rela);
+ bfd_elf64_swap_reloca_out (htab->srelbrlt->owner, &rela, loc);
}
off = (br_entry->offset
(_("linkage table error against `%s'"),
stub_entry->root.string);
bfd_set_error (bfd_error_bad_value);
- htab->stub_error = true;
- return false;
+ htab->stub_error = TRUE;
+ return FALSE;
}
indx = off;
bfd_put_32 (stub_bfd, (bfd_vma) ADDIS_R12_R2 | PPC_HA (indx), loc);
bfd_put_32 (stub_bfd, (bfd_vma) LD_R11_0R12 | PPC_LO (indx), loc + 4);
bfd_put_32 (stub_bfd, (bfd_vma) MTCTR_R11, loc + 8);
- bfd_put_32 (stub_bfd, (bfd_vma) BCTR, loc + 12);
- size = 16;
- break;
-
- case ppc_stub_plt_call:
- /* Build the .glink lazy link call stub. */
- p = htab->sglink->contents + htab->sglink->_cooked_size;
- indx = htab->sglink->reloc_count;
- if (indx < 0x8000)
- {
- bfd_put_32 (htab->sglink->owner, LI_R0_0 | indx, p);
- p += 4;
- }
- else
- {
- bfd_put_32 (htab->sglink->owner, LIS_R0_0 | PPC_HI (indx), p);
- p += 4;
- bfd_put_32 (htab->sglink->owner, ORI_R0_R0_0 | PPC_LO (indx), p);
- p += 4;
- }
- bfd_put_32 (htab->sglink->owner,
- B_DOT | ((htab->sglink->contents - p) & 0x3fffffc), p);
- p += 4;
- htab->sglink->_cooked_size = p - htab->sglink->contents;
- htab->sglink->reloc_count += 1;
+ bfd_put_32 (stub_bfd, (bfd_vma) BCTR, loc + 12);
+ size = 16;
+ break;
+ case ppc_stub_plt_call:
/* Do the best we can for shared libraries built without
exporting ".foo" for each "foo". This can happen when symbol
versioning scripts strip all bar a subset of symbols. */
}
/* Now build the stub. */
- off = stub_entry->h->elf.plt.offset;
+ off = (bfd_vma) -1;
+ for (ent = stub_entry->h->elf.plt.plist; ent != NULL; ent = ent->next)
+ if (ent->addend == stub_entry->addend)
+ {
+ off = ent->plt.offset;
+ break;
+ }
if (off >= (bfd_vma) -2)
abort ();
(_("linkage table error against `%s'"),
stub_entry->h->elf.root.root.string);
bfd_set_error (bfd_error_bad_value);
- htab->stub_error = true;
- return false;
+ htab->stub_error = TRUE;
+ return FALSE;
}
p = build_plt_stub (stub_bfd, loc, (int) off, 0);
default:
BFD_FAIL ();
- return false;
+ return FALSE;
}
stub_sec->_cooked_size += size;
- return true;
+ return TRUE;
}
/* As above, but don't actually build the stub. Just bump offset so
we know stub section sizes, and select plt_branch stubs where
long_branch stubs won't do. */
-static boolean
+static bfd_boolean
ppc_size_one_stub (gen_entry, in_arg)
struct bfd_hash_entry *gen_entry;
PTR in_arg;
if (stub_entry->stub_type == ppc_stub_plt_call)
{
- off = stub_entry->h->elf.plt.offset & ~(bfd_vma) 1;
+ struct plt_entry *ent;
+ for (ent = stub_entry->h->elf.plt.plist; ent != NULL; ent = ent->next)
+ if (ent->addend == stub_entry->addend)
+ {
+ off = ent->plt.offset & ~(bfd_vma) 1;
+ break;
+ }
+ if (ent == NULL)
+ abort ();
off += (htab->splt->output_offset
+ htab->splt->output_section->vma
- elf_gp (htab->splt->output_section->owner)
br_entry = ppc_branch_hash_lookup (&htab->branch_hash_table,
stub_entry->root.string + 9,
- true, false);
+ TRUE, FALSE);
if (br_entry == NULL)
{
(*_bfd_error_handler) (_("can't build branch stub `%s'"),
stub_entry->root.string + 9);
- htab->stub_error = true;
- return false;
+ htab->stub_error = TRUE;
+ return FALSE;
}
if (br_entry->iter != htab->stub_iteration)
}
stub_entry->stub_sec->_raw_size += size;
- return true;
+ return TRUE;
}
/* Set up various things so that we can make a list of input sections
struct bfd_link_info *info;
{
bfd *input_bfd;
- unsigned int bfd_count;
int top_id, top_index;
asection *section;
asection **input_list, **list;
|| htab->sbrlt == NULL)
return 0;
- /* Count the number of input BFDs and find the top input section id. */
- for (input_bfd = info->input_bfds, bfd_count = 0, top_id = 0;
+ /* Find the top input section id. */
+ for (input_bfd = info->input_bfds, top_id = 0;
input_bfd != NULL;
input_bfd = input_bfd->link_next)
{
- bfd_count += 1;
for (section = input_bfd->sections;
section != NULL;
section = section->next)
top_id = section->id;
}
}
- htab->bfd_count = bfd_count;
amt = sizeof (struct map_stub) * (top_id + 1);
htab->stub_group = (struct map_stub *) bfd_zmalloc (amt);
group_sections (htab, stub_group_size, stubs_always_before_branch)
struct ppc_link_hash_table *htab;
bfd_size_type stub_group_size;
- boolean stubs_always_before_branch;
+ bfd_boolean stubs_always_before_branch;
{
asection **list = htab->input_list + htab->top_index;
do
#undef PREV_SEC
}
-/* Read in all local syms for all input bfds. */
-
-static boolean
-get_local_syms (input_bfd, htab)
- bfd *input_bfd;
- struct ppc_link_hash_table *htab;
-{
- unsigned int bfd_indx;
- Elf_Internal_Sym *local_syms, **all_local_syms;
-
- /* We want to read in symbol extension records only once. To do this
- we need to read in the local symbols in parallel and save them for
- later use; so hold pointers to the local symbols in an array. */
- bfd_size_type amt = sizeof (Elf_Internal_Sym *) * htab->bfd_count;
- all_local_syms = (Elf_Internal_Sym **) bfd_zmalloc (amt);
- htab->all_local_syms = all_local_syms;
- if (all_local_syms == NULL)
- return false;
-
- /* Walk over all the input BFDs, swapping in local symbols.
- If we are creating a shared library, create hash entries for the
- export stubs. */
- for (bfd_indx = 0;
- input_bfd != NULL;
- input_bfd = input_bfd->link_next, bfd_indx++)
- {
- Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Shdr *shndx_hdr;
- Elf_Internal_Sym *isym;
- Elf64_External_Sym *ext_syms, *esym, *end_sy;
- Elf_External_Sym_Shndx *shndx_buf, *shndx;
- bfd_size_type sec_size;
-
- /* We'll need the symbol table in a second. */
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
- if (symtab_hdr->sh_info == 0)
- continue;
-
- /* We need an array of the local symbols attached to the input bfd.
- Unfortunately, we're going to have to read & swap them in. */
- sec_size = symtab_hdr->sh_info;
- sec_size *= sizeof (Elf_Internal_Sym);
- local_syms = (Elf_Internal_Sym *) bfd_malloc (sec_size);
- if (local_syms == NULL)
- return false;
-
- all_local_syms[bfd_indx] = local_syms;
- sec_size = symtab_hdr->sh_info;
- sec_size *= sizeof (Elf64_External_Sym);
- ext_syms = (Elf64_External_Sym *) bfd_malloc (sec_size);
- if (ext_syms == NULL)
- return false;
-
- if (bfd_seek (input_bfd, symtab_hdr->sh_offset, SEEK_SET) != 0
- || bfd_bread ((PTR) ext_syms, sec_size, input_bfd) != sec_size)
- {
- error_ret_free_ext_syms:
- free (ext_syms);
- return false;
- }
-
- shndx_buf = NULL;
- shndx_hdr = &elf_tdata (input_bfd)->symtab_shndx_hdr;
- if (shndx_hdr->sh_size != 0)
- {
- sec_size = symtab_hdr->sh_info;
- sec_size *= sizeof (Elf_External_Sym_Shndx);
- shndx_buf = (Elf_External_Sym_Shndx *) bfd_malloc (sec_size);
- if (shndx_buf == NULL)
- goto error_ret_free_ext_syms;
-
- if (bfd_seek (input_bfd, shndx_hdr->sh_offset, SEEK_SET) != 0
- || bfd_bread ((PTR) shndx_buf, sec_size, input_bfd) != sec_size)
- {
- free (shndx_buf);
- goto error_ret_free_ext_syms;
- }
- }
-
- /* Swap the local symbols in. */
- for (esym = ext_syms, end_sy = esym + symtab_hdr->sh_info,
- isym = local_syms, shndx = shndx_buf;
- esym < end_sy;
- esym++, isym++, shndx = (shndx ? shndx + 1 : NULL))
- bfd_elf64_swap_symbol_in (input_bfd, esym, shndx, isym);
-
- /* Now we can free the external symbols. */
- free (shndx_buf);
- free (ext_syms);
- }
-
- return true;
-}
-
/* Determine and set the size of the stub section for a final link.
The basic idea here is to examine all the relocations looking for
PC-relative calls to a target that is unreachable with a "bl"
instruction. */
-boolean
+bfd_boolean
ppc64_elf_size_stubs (output_bfd, stub_bfd, info, group_size,
add_stub_section, layout_sections_again)
bfd *output_bfd;
void (*layout_sections_again) PARAMS ((void));
{
bfd_size_type stub_group_size;
- boolean stubs_always_before_branch;
- boolean ret = false;
+ bfd_boolean stubs_always_before_branch;
struct ppc_link_hash_table *htab = ppc_hash_table (info);
/* Stash our params away. */
group_sections (htab, stub_group_size, stubs_always_before_branch);
- if (! get_local_syms (info->input_bfds, htab))
- {
- if (htab->all_local_syms)
- goto error_ret_free_local;
- return false;
- }
-
while (1)
{
bfd *input_bfd;
unsigned int bfd_indx;
asection *stub_sec;
- boolean stub_changed;
+ bfd_boolean stub_changed;
htab->stub_iteration += 1;
- stub_changed = false;
+ stub_changed = FALSE;
for (input_bfd = info->input_bfds, bfd_indx = 0;
input_bfd != NULL;
{
Elf_Internal_Shdr *symtab_hdr;
asection *section;
- Elf_Internal_Sym *local_syms;
+ Elf_Internal_Sym *local_syms = NULL;
/* We'll need the symbol table in a second. */
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
if (symtab_hdr->sh_info == 0)
continue;
- local_syms = htab->all_local_syms[bfd_indx];
-
/* Walk over each section attached to the input bfd. */
for (section = input_bfd->sections;
section != NULL;
section = section->next)
{
- Elf_Internal_Shdr *input_rel_hdr;
- Elf64_External_Rela *external_relocs, *erelaend, *erela;
Elf_Internal_Rela *internal_relocs, *irelaend, *irela;
- bfd_size_type amt;
/* If there aren't any relocs, then there's nothing more
to do. */
|| section->output_section->owner != output_bfd)
continue;
- /* Allocate space for the external relocations. */
- amt = section->reloc_count;
- amt *= sizeof (Elf64_External_Rela);
- external_relocs = (Elf64_External_Rela *) bfd_malloc (amt);
- if (external_relocs == NULL)
- {
- goto error_ret_free_local;
- }
-
- /* Likewise for the internal relocations. */
- amt = section->reloc_count;
- amt *= sizeof (Elf_Internal_Rela);
- internal_relocs = (Elf_Internal_Rela *) bfd_malloc (amt);
+ /* Get the relocs. */
+ internal_relocs
+ = _bfd_elf64_link_read_relocs (input_bfd, section, NULL,
+ (Elf_Internal_Rela *) NULL,
+ info->keep_memory);
if (internal_relocs == NULL)
- {
- free (external_relocs);
- goto error_ret_free_local;
- }
-
- /* Read in the external relocs. */
- input_rel_hdr = &elf_section_data (section)->rel_hdr;
- if (bfd_seek (input_bfd, input_rel_hdr->sh_offset, SEEK_SET) != 0
- || bfd_bread ((PTR) external_relocs,
- input_rel_hdr->sh_size,
- input_bfd) != input_rel_hdr->sh_size)
- {
- free (external_relocs);
- error_ret_free_internal:
- free (internal_relocs);
- goto error_ret_free_local;
- }
-
- /* Swap in the relocs. */
- erela = external_relocs;
- erelaend = erela + section->reloc_count;
- irela = internal_relocs;
- for (; erela < erelaend; erela++, irela++)
- bfd_elf64_swap_reloca_in (input_bfd, erela, irela);
-
- /* We're done with the external relocs, free them. */
- free (external_relocs);
+ goto error_ret_free_local;
/* Now examine each relocation. */
irela = internal_relocs;
bfd_vma sym_value;
bfd_vma destination;
struct ppc_link_hash_entry *hash;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
char *stub_name;
const asection *id_sec;
r_type = ELF64_R_TYPE (irela->r_info);
r_indx = ELF64_R_SYM (irela->r_info);
- if (r_type >= (unsigned int) R_PPC_max)
+ if (r_type >= (unsigned int) R_PPC64_max)
{
bfd_set_error (bfd_error_bad_value);
goto error_ret_free_internal;
/* Now determine the call target, its name, value,
section. */
- sym_sec = NULL;
- sym_value = 0;
destination = 0;
- hash = NULL;
- if (r_indx < symtab_hdr->sh_info)
+ if (!get_sym_h (&h, &sym, &sym_sec, NULL, &local_syms,
+ r_indx, input_bfd))
+ goto error_ret_free_internal;
+ hash = (struct ppc_link_hash_entry *) h;
+
+ if (hash == NULL)
{
/* It's a local symbol. */
- Elf_Internal_Sym *sym;
- Elf_Internal_Shdr *hdr;
-
- sym = local_syms + r_indx;
- hdr = elf_elfsections (input_bfd)[sym->st_shndx];
- sym_sec = hdr->bfd_section;
- if (ELF_ST_TYPE (sym->st_info) != STT_SECTION)
- sym_value = sym->st_value;
+ sym_value = sym->st_value;
destination = (sym_value + irela->r_addend
+ sym_sec->output_offset
+ sym_sec->output_section->vma);
else
{
/* It's an external symbol. */
- int e_indx;
-
- e_indx = r_indx - symtab_hdr->sh_info;
- hash = ((struct ppc_link_hash_entry *)
- elf_sym_hashes (input_bfd)[e_indx]);
-
- while (hash->elf.root.type == bfd_link_hash_indirect
- || hash->elf.root.type == bfd_link_hash_warning)
- hash = ((struct ppc_link_hash_entry *)
- hash->elf.root.u.i.link);
-
+ sym_value = 0;
if (hash->elf.root.type == bfd_link_hash_defined
|| hash->elf.root.type == bfd_link_hash_defweak)
{
- sym_sec = hash->elf.root.u.def.section;
sym_value = hash->elf.root.u.def.value;
if (sym_sec->output_section != NULL)
destination = (sym_value + irela->r_addend
if (stub_type == ppc_stub_none)
continue;
+ /* __tls_get_addr calls might be eliminated. */
+ if (stub_type != ppc_stub_plt_call
+ && hash != NULL
+ && &hash->elf == htab->tls_get_addr
+ && section->has_tls_reloc
+ && irela != internal_relocs)
+ {
+ /* Get tls info. */
+ char *tls_type;
+
+ if (!get_tls_type (&tls_type, &local_syms,
+ irela - 1, input_bfd))
+ goto error_ret_free_internal;
+ if (tls_type != NULL
+ && (*tls_type & (TLS_TLS | TLS_GD_LD)) == TLS_TLS)
+ continue;
+ }
+
/* Support for grouping stub sections. */
id_sec = htab->stub_group[section->id].link_sec;
goto error_ret_free_internal;
stub_entry = ppc_stub_hash_lookup (&htab->stub_hash_table,
- stub_name, false, false);
+ stub_name, FALSE, FALSE);
if (stub_entry != NULL)
{
/* The proper stub has already been created. */
if (stub_entry == NULL)
{
free (stub_name);
- goto error_ret_free_local;
+ error_ret_free_internal:
+ if (elf_section_data (section)->relocs == NULL)
+ free (internal_relocs);
+ error_ret_free_local:
+ if (local_syms != NULL
+ && (symtab_hdr->contents
+ != (unsigned char *) local_syms))
+ free (local_syms);
+ return FALSE;
}
stub_entry->target_value = sym_value;
stub_entry->target_section = sym_sec;
stub_entry->stub_type = stub_type;
stub_entry->h = hash;
- stub_changed = true;
+ stub_entry->addend = irela->r_addend;
+ stub_changed = TRUE;
}
/* We're done with the internal relocs, free them. */
- free (internal_relocs);
+ if (elf_section_data (section)->relocs != internal_relocs)
+ free (internal_relocs);
+ }
+
+ if (local_syms != NULL
+ && symtab_hdr->contents != (unsigned char *) local_syms)
+ {
+ if (!info->keep_memory)
+ free (local_syms);
+ else
+ symtab_hdr->contents = (unsigned char *) local_syms;
}
}
the dynamic symbol table is corrupted since the section symbol
for the stripped section isn't written. */
- ret = true;
-
- error_ret_free_local:
- while (htab->bfd_count-- > 0)
- if (htab->all_local_syms[htab->bfd_count])
- free (htab->all_local_syms[htab->bfd_count]);
- free (htab->all_local_syms);
-
- return ret;
+ return TRUE;
}
/* Called after we have determined section placement. If sections
The stubs are kept in a hash table attached to the main linker
hash table. This function is called via gldelf64ppc_finish. */
-boolean
+bfd_boolean
ppc64_elf_build_stubs (info)
struct bfd_link_info *info;
{
{
stub_sec->contents = (bfd_byte *) bfd_zalloc (htab->stub_bfd, size);
if (stub_sec->contents == NULL)
- return false;
+ return FALSE;
}
stub_sec->_cooked_size = 0;
}
if (htab->splt != NULL)
{
+ unsigned int indx;
+
/* Build the .glink plt call stub. */
plt_r2 = (htab->splt->output_offset
+ htab->splt->output_section->vma
- TOC_BASE_OFF);
p = htab->sglink->contents;
p = build_plt_stub (htab->sglink->owner, p, (int) plt_r2, 1);
- while (p - htab->sglink->contents < GLINK_CALL_STUB_SIZE)
+ while (p < htab->sglink->contents + GLINK_CALL_STUB_SIZE)
{
bfd_put_32 (htab->sglink->owner, NOP, p);
p += 4;
}
- htab->sglink->_cooked_size = p - htab->sglink->contents;
- /* Use reloc_count to count entries. */
- htab->sglink->reloc_count = 0;
+ /* Build the .glink lazy link call stubs. */
+ indx = 0;
+ while (p < htab->sglink->contents + htab->sglink->_raw_size)
+ {
+ if (indx < 0x8000)
+ {
+ bfd_put_32 (htab->sglink->owner, LI_R0_0 | indx, p);
+ p += 4;
+ }
+ else
+ {
+ bfd_put_32 (htab->sglink->owner, LIS_R0_0 | PPC_HI (indx), p);
+ p += 4;
+ bfd_put_32 (htab->sglink->owner, ORI_R0_R0_0 | PPC_LO (indx), p);
+ p += 4;
+ }
+ bfd_put_32 (htab->sglink->owner,
+ B_DOT | ((htab->sglink->contents - p) & 0x3fffffc), p);
+ indx++;
+ p += 4;
+ }
+ htab->sglink->_cooked_size = p - htab->sglink->contents;
}
if (htab->sbrlt->_raw_size != 0)
htab->sbrlt->contents = (bfd_byte *) bfd_zalloc (htab->sbrlt->owner,
htab->sbrlt->_raw_size);
if (htab->sbrlt->contents == NULL)
- return false;
+ return FALSE;
}
/* Build the stubs as directed by the stub hash table. */
bfd_hash_traverse (&htab->stub_hash_table, ppc_build_one_stub, info);
- htab->sglink->reloc_count = 0;
for (stub_sec = htab->stub_bfd->sections;
stub_sec != NULL;
if (stub_sec != NULL
|| htab->sglink->_raw_size != htab->sglink->_cooked_size)
{
- htab->stub_error = true;
+ htab->stub_error = TRUE;
(*_bfd_error_handler) (_("stubs don't match calculated size"));
}
return !htab->stub_error;
}
-/* Set up any other section flags and such that may be necessary. */
-
-static boolean
-ppc64_elf_fake_sections (abfd, shdr, asect)
- bfd *abfd ATTRIBUTE_UNUSED;
- Elf64_Internal_Shdr *shdr;
- asection *asect;
-{
- if ((asect->flags & SEC_EXCLUDE) != 0)
- shdr->sh_flags |= SHF_EXCLUDE;
-
- if ((asect->flags & SEC_SORT_ENTRIES) != 0)
- shdr->sh_type = SHT_ORDERED;
-
- return true;
-}
-
/* The RELOCATE_SECTION function is called by the ELF backend linker
to handle the relocations for a section.
section, which means that the addend must be adjusted
accordingly. */
-static boolean
+static bfd_boolean
ppc64_elf_relocate_section (output_bfd, info, input_bfd, input_section,
contents, relocs, local_syms, local_sections)
bfd *output_bfd;
struct elf_link_hash_entry **sym_hashes;
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
- bfd_vma *local_got_offsets;
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc;
+ unsigned int tls_get_addr_type;
+ struct got_entry **local_got_ents;
bfd_vma TOCstart;
- boolean ret = true;
- boolean is_opd;
+ bfd_boolean ret = TRUE;
+ bfd_boolean is_opd;
/* Disabled until we sort out how ld should choose 'y' vs 'at'. */
- boolean is_power4 = false;
+ bfd_boolean is_power4 = FALSE;
if (info->relocateable)
- return true;
+ return TRUE;
/* Initialize howto table if needed. */
if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
ppc_howto_init ();
htab = ppc_hash_table (info);
- local_got_offsets = elf_local_got_offsets (input_bfd);
+ if (info->shared && (htab->tlsld_got.offset & 1) == 0)
+ {
+ outrel.r_offset = (htab->sgot->output_section->vma
+ + htab->sgot->output_offset
+ + htab->tlsld_got.offset);
+ outrel.r_info = ELF64_R_INFO (0, R_PPC64_DTPMOD64);
+ outrel.r_addend = 0;
+
+ loc = htab->srelgot->contents;
+ loc += htab->srelgot->reloc_count++ * sizeof (Elf64_External_Rela);
+ bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
+ htab->tlsld_got.offset |= 1;
+ }
+
+ local_got_ents = elf_local_got_ents (input_bfd);
TOCstart = elf_gp (output_bfd);
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
- is_opd = strcmp (bfd_get_section_name (abfd, input_section), ".opd") == 0;
+ is_opd = ppc64_elf_section_data (input_section)->opd.adjust != NULL;
+ tls_get_addr_type = 0;
rel = relocs;
relend = relocs + input_section->reloc_count;
for (; rel < relend; rel++)
{
- enum elf_ppc_reloc_type r_type;
- bfd_vma offset;
+ enum elf_ppc64_reloc_type r_type;
bfd_vma addend;
bfd_reloc_status_type r;
Elf_Internal_Sym *sym;
struct elf_link_hash_entry *fdh;
const char *sym_name;
unsigned long r_symndx;
+ char tls_type;
bfd_vma relocation;
- boolean unresolved_reloc;
- boolean warned;
+ bfd_boolean unresolved_reloc;
+ bfd_boolean warned;
long insn;
struct ppc_stub_hash_entry *stub_entry;
bfd_vma max_br_offset;
bfd_vma from;
- r_type = (enum elf_ppc_reloc_type) ELF64_R_TYPE (rel->r_info);
+ r_type = (enum elf_ppc64_reloc_type) ELF64_R_TYPE (rel->r_info);
r_symndx = ELF64_R_SYM (rel->r_info);
- offset = rel->r_offset;
- addend = rel->r_addend;
r = bfd_reloc_other;
sym = (Elf_Internal_Sym *) 0;
sec = (asection *) 0;
h = (struct elf_link_hash_entry *) 0;
sym_name = (const char *) 0;
- unresolved_reloc = false;
- warned = false;
+ unresolved_reloc = FALSE;
+ warned = FALSE;
if (r_type == R_PPC64_TOC)
{
/* It's a local symbol. */
sym = local_syms + r_symndx;
sec = local_sections[r_symndx];
- sym_name = "<local symbol>";
-
+ sym_name = bfd_elf_local_sym_name (input_bfd, sym);
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
- /* rel may have changed, update our copy of addend. */
- addend = rel->r_addend;
+ if (elf_section_data (sec) != NULL)
+ {
+ long *opd_sym_adjust;
+
+ opd_sym_adjust = ppc64_elf_section_data (sec)->opd.adjust;
+ if (opd_sym_adjust != NULL && sym->st_value % 24 == 0)
+ relocation += opd_sym_adjust[sym->st_value / 24];
+ }
}
else
{
relocation value for this symbol. output_section
is typically NULL for symbols satisfied by a shared
library. */
- unresolved_reloc = true;
+ unresolved_reloc = TRUE;
else
relocation = (h->root.u.def.value
+ sec->output_section->vma
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd, input_section,
- offset, (!info->shared
- || info->no_undefined
- || ELF_ST_VISIBILITY (h->other)))))
- return false;
- warned = true;
+ rel->r_offset, (!info->shared
+ || info->no_undefined
+ || ELF_ST_VISIBILITY (h->other)))))
+ return FALSE;
+ warned = TRUE;
+ }
+ }
+
+ /* TLS optimizations. */
+ tls_type = 0;
+ if (IS_TLS_RELOC (r_type))
+ {
+ if (h != NULL)
+ tls_type = ((struct ppc_link_hash_entry *) h)->tls_type;
+ else if (local_got_ents != NULL)
+ {
+ char *lgot_types;
+ lgot_types = (char *) (local_got_ents + symtab_hdr->sh_info);
+ tls_type = lgot_types[r_symndx];
+ }
+ }
+
+ /* Ensure reloc mapping code below stays sane. */
+ if (R_PPC64_TOC16_LO_DS != R_PPC64_TOC16_DS + 1
+ || R_PPC64_TOC16_LO != R_PPC64_TOC16 + 1
+ || (R_PPC64_GOT_TLSLD16 & 3) != (R_PPC64_GOT_TLSGD16 & 3)
+ || (R_PPC64_GOT_TLSLD16_LO & 3) != (R_PPC64_GOT_TLSGD16_LO & 3)
+ || (R_PPC64_GOT_TLSLD16_HI & 3) != (R_PPC64_GOT_TLSGD16_HI & 3)
+ || (R_PPC64_GOT_TLSLD16_HA & 3) != (R_PPC64_GOT_TLSGD16_HA & 3)
+ || (R_PPC64_GOT_TLSLD16 & 3) != (R_PPC64_GOT_TPREL16_DS & 3)
+ || (R_PPC64_GOT_TLSLD16_LO & 3) != (R_PPC64_GOT_TPREL16_LO_DS & 3)
+ || (R_PPC64_GOT_TLSLD16_HI & 3) != (R_PPC64_GOT_TPREL16_HI & 3)
+ || (R_PPC64_GOT_TLSLD16_HA & 3) != (R_PPC64_GOT_TPREL16_HA & 3))
+ abort ();
+ switch (r_type)
+ {
+ default:
+ tls_get_addr_type = 0;
+ break;
+
+ case R_PPC64_TOC16:
+ case R_PPC64_TOC16_LO:
+ case R_PPC64_TOC16_DS:
+ case R_PPC64_TOC16_LO_DS:
+ tls_get_addr_type = 0;
+ {
+ /* Check for toc tls entries. */
+ char *toc_tls;
+
+ if (!get_tls_type (&toc_tls, &local_syms, rel, input_bfd))
+ return FALSE;
+
+ if (toc_tls)
+ {
+ tls_type = *toc_tls;
+ if (r_type == R_PPC64_TOC16_DS
+ || r_type == R_PPC64_TOC16_LO_DS)
+ goto toctprel;
+ else
+ tls_get_addr_type = tls_type;
+ }
+ }
+ break;
+
+ case R_PPC64_GOT_TPREL16_DS:
+ case R_PPC64_GOT_TPREL16_LO_DS:
+ tls_get_addr_type = 0;
+ toctprel:
+ if (tls_type != 0
+ && (tls_type & TLS_TPREL) == 0)
+ {
+ bfd_vma insn;
+ insn = bfd_get_32 (output_bfd, contents + rel->r_offset - 2);
+ insn &= 31 << 21;
+ insn |= 0x3c0d0000; /* addis 0,13,0 */
+ bfd_put_32 (output_bfd, insn, contents + rel->r_offset - 2);
+ r_type = R_PPC64_TPREL16_HA;
+ rel->r_info = ELF64_R_INFO (r_symndx, r_type);
+ }
+ break;
+
+ case R_PPC64_TLS:
+ tls_get_addr_type = 0;
+ if (tls_type == 0)
+ {
+ /* Check for toc tls entries. */
+ char *toc_tls;
+
+ if (!get_tls_type (&toc_tls, &local_syms, rel, input_bfd))
+ return FALSE;
+
+ if (toc_tls)
+ tls_type = *toc_tls;
+ }
+ if (tls_type != 0
+ && (tls_type & TLS_TPREL) == 0)
+ {
+ bfd_vma insn, rtra;
+ insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
+ if ((insn & ((31 << 26) | (31 << 11)))
+ == ((31 << 26) | (13 << 11)))
+ rtra = insn & ((1 << 26) - (1 << 16));
+ else if ((insn & ((31 << 26) | (31 << 16)))
+ == ((31 << 26) | (13 << 16)))
+ rtra = (insn & (31 << 21)) | ((insn & (31 << 11)) << 5);
+ else
+ abort ();
+ if ((insn & ((1 << 11) - (1 << 1))) == 266 << 1)
+ /* add -> addi. */
+ insn = 14 << 26;
+ else if ((insn & (31 << 1)) == 23 << 1
+ && ((insn & (31 << 6)) < 14 << 6
+ || ((insn & (31 << 6)) >= 16 << 6
+ && (insn & (31 << 6)) < 24 << 6)))
+ /* load and store indexed -> dform. */
+ insn = (32 | ((insn >> 6) & 31)) << 26;
+ else if ((insn & (31 << 1)) == 21 << 1
+ && (insn & (0x1a << 6)) == 0)
+ /* ldx, ldux, stdx, stdux -> ld, ldu, std, stdu. */
+ insn = (((58 | ((insn >> 6) & 4)) << 26)
+ | ((insn >> 6) & 1));
+ else if ((insn & (31 << 1)) == 21 << 1
+ && (insn & ((1 << 11) - (1 << 1))) == 341 << 1)
+ /* lwax -> lwa. */
+ insn = (58 << 26) | 2;
+ else
+ abort ();
+ insn |= rtra;
+ bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
+ r_type = R_PPC64_TPREL16_LO;
+ rel->r_info = ELF64_R_INFO (r_symndx, r_type);
+ /* Was PPC64_TLS which sits on insn boundary, now
+ PPC64_TPREL16_LO which is at insn+2. */
+ rel->r_offset += 2;
+ }
+ break;
+
+ case R_PPC64_GOT_TLSGD16:
+ case R_PPC64_GOT_TLSGD16_LO:
+ case R_PPC64_GOT_TLSGD16_HI:
+ case R_PPC64_GOT_TLSGD16_HA:
+ case R_PPC64_GOT_TLSLD16:
+ case R_PPC64_GOT_TLSLD16_LO:
+ case R_PPC64_GOT_TLSLD16_HI:
+ case R_PPC64_GOT_TLSLD16_HA:
+ tls_get_addr_type = 0;
+ if (tls_type != 0 && (tls_type & TLS_GD_LD) == 0)
+ {
+ if (r_type == R_PPC64_GOT_TLSGD16_HI
+ || r_type == R_PPC64_GOT_TLSGD16_HA
+ || r_type == R_PPC64_GOT_TLSLD16_HI
+ || r_type == R_PPC64_GOT_TLSLD16_HA)
+ {
+ if ((tls_type & TLS_LD) != 0)
+ {
+ bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
+ r_type = R_PPC64_NONE;
+ rel->r_offset -= 2;
+ }
+ else
+ r_type = (((r_type - (R_PPC64_GOT_TLSGD16 & 3)) & 3)
+ + R_PPC64_GOT_TPREL16_DS);
+ rel->r_info = ELF64_R_INFO (r_symndx, r_type);
+ break;
+ }
+
+ /* This reloc and its instruction will be replaced so there's
+ not much point in doing anything more here. We know the
+ next reloc will be a REL24 to __tls_get_addr, and will
+ be handled below. */
+ tls_get_addr_type = tls_type;
+ continue;
+ }
+ break;
+
+ case R_PPC64_REL14:
+ case R_PPC64_REL14_BRTAKEN:
+ case R_PPC64_REL14_BRNTAKEN:
+ case R_PPC64_REL24:
+ if (h != NULL
+ && h == htab->tls_get_addr
+ && tls_get_addr_type != 0
+ && (tls_get_addr_type & TLS_GD_LD) == 0)
+ {
+ /* Replace the call. */
+ bfd_vma insn1, insn2, insn3;
+ bfd_vma offset = rel->r_offset;
+
+ insn1 = bfd_get_32 (output_bfd, contents + rel[-1].r_offset - 2);
+ insn3 = bfd_get_32 (output_bfd, contents + offset + 4);
+ if (tls_get_addr_type & TLS_TPREL)
+ {
+ /* IE */
+ insn1 &= (1 << 26) - (1 << 2);
+ insn1 |= 58 << 26; /* ld */
+ insn2 = 0x7c636a14; /* add 3,3,13 */
+ /* Fix the relocs for --emit-relocs. */
+ r_type = ELF64_R_TYPE (rel[-1].r_info);
+ if (tls_get_addr_type & TLS_EXPLICIT)
+ r_type += R_PPC64_TOC16_DS - R_PPC64_TOC16;
+ else
+ r_type = (((r_type - (R_PPC64_GOT_TLSGD16 & 3)) & 3)
+ + R_PPC64_GOT_TPREL16_DS);
+ rel[-1].r_info
+ = ELF64_R_INFO (ELF64_R_SYM (rel[-1].r_info), r_type);
+ rel->r_info = 0;
+ }
+ else
+ {
+ /* LE */
+ insn1 = 0x3c6d0000; /* addis 3,13,0 */
+ insn2 = 0x38630000; /* addi 3,3,0 */
+ if (tls_get_addr_type & TLS_LD)
+ {
+ r_symndx = 0;
+ rel[-1].r_addend = htab->tls_sec->vma + DTP_OFFSET;
+ rel->r_addend = htab->tls_sec->vma + DTP_OFFSET;
+ }
+ else
+ r_symndx = ELF64_R_SYM (rel[-1].r_info);
+ rel[-1].r_info = ELF64_R_INFO (r_symndx, R_PPC64_TPREL16_HA);
+ rel->r_info = ELF64_R_INFO (r_symndx, R_PPC64_TPREL16_LO);
+ rel->r_offset += 2;
+ }
+ if (insn3 == NOP
+ || insn3 == CROR_151515 || insn3 == CROR_313131)
+ {
+ insn3 = insn2;
+ insn2 = NOP;
+ rel->r_offset += 4;
+ }
+ bfd_put_32 (output_bfd, insn1, contents + rel[-1].r_offset - 2);
+ bfd_put_32 (output_bfd, insn2, contents + offset);
+ bfd_put_32 (output_bfd, insn3, contents + offset + 4);
+ /* Do the relocs again. */
+ rel -= 2;
+ tls_get_addr_type = 0;
+ continue;
+ }
+ tls_get_addr_type = 0;
+ break;
+
+ case R_PPC64_DTPMOD64:
+ if ((tls_type & TLS_GD_LD) == 0)
+ {
+ if ((tls_type & TLS_TPREL) != 0)
+ r_type = R_PPC64_TPREL64;
+ else
+ {
+ bfd_put_64 (output_bfd, (bfd_vma) 1,
+ contents + rel->r_offset);
+ r_type = R_PPC64_NONE;
+ }
+ rel->r_info = ELF64_R_INFO (r_symndx, r_type);
+ if ((tls_type & TLS_LD) == 0)
+ rel[1].r_info = 0;
+ }
+ break;
+
+ case R_PPC64_TPREL64:
+ if ((tls_type & TLS_TPREL) == 0)
+ {
+ r_type = R_PPC64_NONE;
+ rel->r_info = ELF64_R_INFO (r_symndx, r_type);
}
+ break;
}
- /* First handle relocations that tweak non-addend part of insn. */
+ /* Handle other relocations that tweak non-addend part of insn. */
insn = 0;
switch (r_type)
{
/* Branch not taken prediction relocations. */
case R_PPC64_ADDR14_BRNTAKEN:
case R_PPC64_REL14_BRNTAKEN:
- insn |= bfd_get_32 (output_bfd, contents + offset) & ~(0x01 << 21);
+ insn |= bfd_get_32 (output_bfd,
+ contents + rel->r_offset) & ~(0x01 << 21);
if (is_power4)
{
/* Set 'a' bit. This is 0b00010 in BO field for branch
}
else
{
- from = (offset
+ from = (rel->r_offset
+ input_section->output_offset
+ input_section->output_section->vma);
/* Invert 'y' bit if not the default. */
- if ((bfd_signed_vma) (relocation + addend - from) < 0)
+ if ((bfd_signed_vma) (relocation + rel->r_addend - from) < 0)
insn ^= 0x01 << 21;
}
- bfd_put_32 (output_bfd, (bfd_vma) insn, contents + offset);
+ bfd_put_32 (output_bfd, (bfd_vma) insn, contents + rel->r_offset);
break;
case R_PPC64_REL24:
need for a PLT entry. */
if (h != NULL
&& (fdh = ((struct ppc_link_hash_entry *) h)->oh) != NULL
- && fdh->plt.offset != (bfd_vma) -1
+ && fdh->plt.plist != NULL
&& (stub_entry = ppc_get_stub_entry (input_section, sec, fdh,
rel, htab)) != NULL)
{
- boolean can_plt_call = 0;
+ bfd_boolean can_plt_call = 0;
- if (offset + 8 <= input_section->_cooked_size)
+ if (rel->r_offset + 8 <= input_section->_cooked_size)
{
- insn = bfd_get_32 (input_bfd, contents + offset + 4);
+ insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
if (insn == NOP
|| insn == CROR_151515 || insn == CROR_313131)
{
bfd_put_32 (input_bfd, (bfd_vma) LD_R2_40R1,
- contents + offset + 4);
+ contents + rel->r_offset + 4);
can_plt_call = 1;
}
}
{
/* If this is a plain branch rather than a branch
and link, don't require a nop. */
- insn = bfd_get_32 (input_bfd, contents + offset);
+ insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
if ((insn & 1) == 0)
can_plt_call = 1;
}
relocation = (stub_entry->stub_offset
+ stub_entry->stub_sec->output_offset
+ stub_entry->stub_sec->output_section->vma);
- addend = 0;
- unresolved_reloc = false;
+ unresolved_reloc = FALSE;
}
}
if (h != NULL
&& h->root.type == bfd_link_hash_undefweak
&& relocation == 0
- && addend == 0)
+ && rel->r_addend == 0)
{
/* Tweak calls to undefined weak functions to point at a
blr. We can thus call a weak function without first
relocation = (htab->sfpr->_raw_size - 4
+ htab->sfpr->output_offset
+ htab->sfpr->output_section->vma);
- from = (offset
+ from = (rel->r_offset
+ input_section->output_offset
+ input_section->output_section->vma);
}
/* Set `addend'. */
+ tls_type = 0;
+ addend = rel->r_addend;
switch (r_type)
{
default:
bfd_archive_filename (input_bfd), (int) r_type, sym_name);
bfd_set_error (bfd_error_bad_value);
- ret = false;
+ ret = FALSE;
continue;
case R_PPC64_NONE:
- case R_PPC_GNU_VTINHERIT:
- case R_PPC_GNU_VTENTRY:
+ case R_PPC64_TLS:
+ case R_PPC64_GNU_VTINHERIT:
+ case R_PPC64_GNU_VTENTRY:
continue;
/* GOT16 relocations. Like an ADDR16 using the symbol's
address in the GOT as relocation value instead of the
- symbols value itself. Also, create a GOT entry for the
+ symbol's value itself. Also, create a GOT entry for the
symbol and put the symbol value there. */
+ case R_PPC64_GOT_TLSGD16:
+ case R_PPC64_GOT_TLSGD16_LO:
+ case R_PPC64_GOT_TLSGD16_HI:
+ case R_PPC64_GOT_TLSGD16_HA:
+ tls_type = TLS_TLS | TLS_GD_LD;
+ goto dogot;
+
+ case R_PPC64_GOT_TLSLD16:
+ case R_PPC64_GOT_TLSLD16_LO:
+ case R_PPC64_GOT_TLSLD16_HI:
+ case R_PPC64_GOT_TLSLD16_HA:
+ tls_type = TLS_TLS | TLS_GD_LD | TLS_LD;
+ goto dogot;
+
+ case R_PPC64_GOT_TPREL16_DS:
+ case R_PPC64_GOT_TPREL16_LO_DS:
+ case R_PPC64_GOT_TPREL16_HI:
+ case R_PPC64_GOT_TPREL16_HA:
+ tls_type = TLS_TLS | TLS_TPREL;
+ goto dogot;
+
+ case R_PPC64_GOT_DTPREL16_DS:
+ case R_PPC64_GOT_DTPREL16_LO_DS:
+ case R_PPC64_GOT_DTPREL16_HI:
+ case R_PPC64_GOT_DTPREL16_HA:
+ tls_type = TLS_TLS | TLS_DTPREL;
+ goto dogot;
+
case R_PPC64_GOT16:
case R_PPC64_GOT16_LO:
case R_PPC64_GOT16_HI:
case R_PPC64_GOT16_HA:
case R_PPC64_GOT16_DS:
case R_PPC64_GOT16_LO_DS:
+ dogot:
{
/* Relocation is to the entry for this symbol in the global
offset table. */
+ struct got_entry *ent;
bfd_vma off;
+ unsigned long indx;
if (htab->sgot == NULL)
abort ();
if (h != NULL)
+ ent = h->got.glist;
+ else
{
- boolean dyn;
+ if (local_got_ents == NULL)
+ abort ();
+ ent = local_got_ents[r_symndx];
+ }
- off = h->got.offset;
- dyn = htab->elf.dynamic_sections_created;
+ for (; ent != NULL; ent = ent->next)
+ if (ent->addend == rel->r_addend
+ && ent->tls_type == tls_type)
+ break;
+ if (ent == NULL)
+ abort ();
+
+ off = ent->got.offset;
+ indx = 0;
+ if (h != NULL)
+ {
+ bfd_boolean dyn = htab->elf.dynamic_sections_created;
if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
|| (info->shared
&& (info->symbolic
& ELF_LINK_FORCED_LOCAL))
&& (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, or the symbol was forced to be local
+ because of a version file. */
+ ;
+ else
{
- /* This is actually a static link, or it is a
- -Bsymbolic link and the symbol is defined
- locally, or the symbol was forced to be local
- because of a version file. We must initialize
- this entry in the global offset table. Since the
- offset must always be a multiple of 8, we use the
- least significant bit to record whether we have
- initialized it already.
-
- When doing a dynamic link, we create a .rel.got
- relocation entry to initialize the value. This
- is done in the finish_dynamic_symbol routine. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- bfd_put_64 (output_bfd, relocation,
- htab->sgot->contents + off);
- h->got.offset |= 1;
- }
+ indx = h->dynindx;
+ unresolved_reloc = FALSE;
}
- else
- unresolved_reloc = false;
}
+
+ /* The offset must always be a multiple of 8. We use the
+ least significant bit to record whether we have already
+ processed this entry. */
+ if ((off & 1) != 0)
+ off &= ~1;
else
{
- if (local_got_offsets == NULL)
- abort ();
-
- off = local_got_offsets[r_symndx];
+ /* Generate relocs for the dynamic linker, except in
+ the case of TLSLD where we'll use one entry per
+ module. */
+ if ((info->shared || indx != 0)
+ && ent->tls_type != (TLS_TLS | TLS_GD_LD | TLS_LD))
+ {
+ outrel.r_offset = (htab->sgot->output_section->vma
+ + htab->sgot->output_offset
+ + off);
+ if (ent->tls_type == (TLS_TLS | TLS_GD_LD))
+ {
+ outrel.r_info = ELF64_R_INFO (indx, R_PPC64_DTPMOD64);
+ outrel.r_addend = 0;
+ loc = htab->srelgot->contents;
+ loc += (htab->srelgot->reloc_count++
+ * sizeof (Elf64_External_Rela));
+ bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
+ outrel.r_info = ELF64_R_INFO (indx, R_PPC64_DTPREL64);
+ outrel.r_offset += 8;
+ }
+ else if (ent->tls_type == (TLS_TLS | TLS_DTPREL))
+ outrel.r_info = ELF64_R_INFO (indx, R_PPC64_DTPREL64);
+ else if (ent->tls_type == (TLS_TLS | TLS_TPREL))
+ outrel.r_info = ELF64_R_INFO (indx, R_PPC64_TPREL64);
+ else if (indx == 0)
+ outrel.r_info = ELF64_R_INFO (indx, R_PPC64_RELATIVE);
+ else
+ outrel.r_info = ELF64_R_INFO (indx, R_PPC64_GLOB_DAT);
+ outrel.r_addend = ent->addend;
+ if (indx == 0)
+ outrel.r_addend += relocation;
+ loc = htab->srelgot->contents;
+ loc += (htab->srelgot->reloc_count++
+ * sizeof (Elf64_External_Rela));
+ bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
+ }
- /* The offset must always be a multiple of 8. We use
- the least significant bit to record whether we have
- already processed this entry. */
- if ((off & 1) != 0)
- off &= ~1;
- else
+ /* Init the .got section contents if we're not
+ emitting a reloc. */
+ if (!(info->shared || indx != 0))
{
- bfd_put_64 (output_bfd, relocation,
- htab->sgot->contents + off);
- if (info->shared)
+ relocation += ent->addend;
+ if ((tls_type & TLS_TLS) != 0)
{
- Elf_Internal_Rela outrel;
- Elf64_External_Rela *loc;
-
- /* We need to generate a R_PPC64_RELATIVE reloc
- for the dynamic linker. */
- outrel.r_offset = (htab->sgot->output_section->vma
- + htab->sgot->output_offset
- + off);
- outrel.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
- outrel.r_addend = relocation;
- loc = (Elf64_External_Rela *) htab->srelgot->contents;
- loc += htab->srelgot->reloc_count++;
- bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
+ relocation -= htab->tls_sec->vma + DTP_OFFSET;
+ if ((tls_type & TLS_TPREL) != 0)
+ relocation += DTP_OFFSET - TP_OFFSET;
}
- local_got_offsets[r_symndx] |= 1;
+ if ((tls_type & TLS_GD_LD) != 0)
+ {
+ if ((tls_type & TLS_LD) != 0)
+ relocation = - DTP_OFFSET;
+ bfd_put_64 (output_bfd, relocation,
+ htab->sgot->contents + off + 8);
+ relocation = 1;
+ }
+ bfd_put_64 (output_bfd, relocation,
+ htab->sgot->contents + off);
}
+ ent->got.offset |= 1;
}
if (off >= (bfd_vma) -2)
relocation = htab->sgot->output_offset + off;
/* TOC base (r2) is TOC start plus 0x8000. */
- addend -= TOC_BASE_OFF;
+ addend = - TOC_BASE_OFF;
}
break;
if (h == NULL)
break;
- if (h->plt.offset == (bfd_vma) -1
- || htab->splt == NULL)
+ /* It's possible that we didn't make a PLT entry for this
+ symbol. This happens when statically linking PIC code,
+ or when using -Bsymbolic. Go find a match if there is a
+ PLT entry. */
+ if (htab->splt != NULL)
{
- /* We didn't make a PLT entry for this symbol. This
- happens when statically linking PIC code, or when
- using -Bsymbolic. */
- break;
+ struct plt_entry *ent;
+ for (ent = h->plt.plist; ent != NULL; ent = ent->next)
+ if (ent->addend == rel->r_addend
+ && ent->plt.offset != (bfd_vma) -1)
+ {
+ relocation = (htab->splt->output_section->vma
+ + htab->splt->output_offset
+ + ent->plt.offset);
+ unresolved_reloc = FALSE;
+ }
}
-
- relocation = (htab->splt->output_section->vma
- + htab->splt->output_offset
- + h->plt.offset);
- unresolved_reloc = false;
break;
/* TOC16 relocs. We want the offset relative to the TOC base,
case R_PPC64_REL24:
break;
+ case R_PPC64_TPREL16:
+ case R_PPC64_TPREL16_LO:
+ case R_PPC64_TPREL16_HI:
+ case R_PPC64_TPREL16_HA:
+ case R_PPC64_TPREL16_DS:
+ case R_PPC64_TPREL16_LO_DS:
+ case R_PPC64_TPREL16_HIGHER:
+ case R_PPC64_TPREL16_HIGHERA:
+ case R_PPC64_TPREL16_HIGHEST:
+ case R_PPC64_TPREL16_HIGHESTA:
+ addend -= htab->tls_sec->vma + TP_OFFSET;
+ if (info->shared)
+ /* The TPREL16 relocs shouldn't really be used in shared
+ libs as they will result in DT_TEXTREL being set, but
+ support them anyway. */
+ goto dodyn;
+ break;
+
+ case R_PPC64_DTPREL16:
+ case R_PPC64_DTPREL16_LO:
+ case R_PPC64_DTPREL16_HI:
+ case R_PPC64_DTPREL16_HA:
+ case R_PPC64_DTPREL16_DS:
+ case R_PPC64_DTPREL16_LO_DS:
+ case R_PPC64_DTPREL16_HIGHER:
+ case R_PPC64_DTPREL16_HIGHERA:
+ case R_PPC64_DTPREL16_HIGHEST:
+ case R_PPC64_DTPREL16_HIGHESTA:
+ addend -= htab->tls_sec->vma + DTP_OFFSET;
+ break;
+
+ case R_PPC64_TPREL64:
+ addend -= htab->tls_sec->vma + TP_OFFSET;
+ goto dodyn;
+
+ case R_PPC64_DTPREL64:
+ addend -= htab->tls_sec->vma + DTP_OFFSET;
+ /* Fall thru */
+
/* Relocations that may need to be propagated if this is a
dynamic object. */
+ case R_PPC64_DTPMOD64:
+ case R_PPC64_REL30:
case R_PPC64_REL32:
case R_PPC64_REL64:
case R_PPC64_ADDR14:
case R_PPC64_ADDR16_LO:
case R_PPC64_ADDR16_LO_DS:
case R_PPC64_ADDR24:
- case R_PPC64_ADDR30:
case R_PPC64_ADDR32:
case R_PPC64_ADDR64:
case R_PPC64_UADDR16:
/* r_symndx will be zero only for relocs against symbols
from removed linkonce sections, or sections discarded by
a linker script. */
+ dodyn:
if (r_symndx == 0)
break;
/* Fall thru. */
break;
if ((info->shared
- && (IS_ABSOLUTE_RELOC (r_type)
+ && (MUST_BE_DYN_RELOC (r_type)
|| (h != NULL
&& h->dynindx != -1
&& (! info->symbolic
|| h->root.type == bfd_link_hash_undefined)))
{
Elf_Internal_Rela outrel;
- boolean skip, relocate;
+ bfd_boolean skip, relocate;
asection *sreloc;
- Elf64_External_Rela *loc;
+ bfd_byte *loc;
/* When generating a dynamic object, these relocations
are copied into the output file to be resolved at run
time. */
- skip = false;
- relocate = false;
+ skip = FALSE;
+ relocate = FALSE;
outrel.r_offset =
_bfd_elf_section_offset (output_bfd, info, input_section,
rel->r_offset);
if (outrel.r_offset == (bfd_vma) -1)
- skip = true;
+ skip = TRUE;
else if (outrel.r_offset == (bfd_vma) -2)
- skip = true, relocate = true;
+ skip = TRUE, relocate = TRUE;
outrel.r_offset += (input_section->output_section->vma
+ input_section->output_offset);
- outrel.r_addend = addend;
+ outrel.r_addend = rel->r_addend;
if (skip)
memset (&outrel, 0, sizeof outrel);
else if (h != NULL
&& h->dynindx != -1
&& !is_opd
- && (!IS_ABSOLUTE_RELOC (r_type)
+ && (!MUST_BE_DYN_RELOC (r_type)
|| !info->shared
|| !info->symbolic
|| (h->elf_link_hash_flags
or this is an opd section reloc which must point
at a local function. */
outrel.r_addend += relocation;
- relocate = true;
+ /* ??? why? */
+ relocate = TRUE;
if (r_type == R_PPC64_ADDR64 || r_type == R_PPC64_TOC)
{
- if (is_opd && h != NULL && info->shared)
+ if (is_opd && h != NULL)
{
/* Lie about opd entries. This case occurs
when building shared libraries and we
reference a function in another shared
- lib. In that case we won't use the opd
- entry in this lib; We ought to edit the
- opd section to remove unused entries. */
- unresolved_reloc = false;
+ lib. The same thing happens for a weak
+ definition in an application that's
+ overridden by a strong definition in a
+ shared lib. (I believe this is a generic
+ bug in binutils handling of weak syms.)
+ In these cases we won't use the opd
+ entry in this lib. */
+ unresolved_reloc = FALSE;
}
outrel.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
}
else if (sec == NULL || sec->owner == NULL)
{
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
else
{
if (sreloc == NULL)
abort ();
- loc = (Elf64_External_Rela *) sreloc->contents;
- loc += sreloc->reloc_count++;
+ loc = sreloc->contents;
+ loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
/* If this reloc is against an external symbol, it will
ppc64_elf_howto_table[(int) r_type]->name, sym_name);
bfd_set_error (bfd_error_invalid_operation);
- ret = false;
+ ret = FALSE;
continue;
}
case R_PPC64_ADDR16_HA:
case R_PPC64_ADDR16_HIGHERA:
case R_PPC64_ADDR16_HIGHESTA:
+ case R_PPC64_GOT16_HA:
+ case R_PPC64_PLTGOT16_HA:
case R_PPC64_PLT16_HA:
case R_PPC64_TOC16_HA:
case R_PPC64_SECTOFF_HA:
+ case R_PPC64_TPREL16_HA:
+ case R_PPC64_DTPREL16_HA:
+ case R_PPC64_GOT_TLSGD16_HA:
+ case R_PPC64_GOT_TLSLD16_HA:
+ case R_PPC64_GOT_TPREL16_HA:
+ case R_PPC64_GOT_DTPREL16_HA:
+ case R_PPC64_TPREL16_HIGHER:
+ case R_PPC64_TPREL16_HIGHERA:
+ case R_PPC64_TPREL16_HIGHEST:
+ case R_PPC64_TPREL16_HIGHESTA:
+ case R_PPC64_DTPREL16_HIGHER:
+ case R_PPC64_DTPREL16_HIGHERA:
+ case R_PPC64_DTPREL16_HIGHEST:
+ case R_PPC64_DTPREL16_HIGHESTA:
/* 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
case R_PPC64_TOC16_LO_DS:
case R_PPC64_PLTGOT16_DS:
case R_PPC64_PLTGOT16_LO_DS:
+ case R_PPC64_GOT_TPREL16_DS:
+ case R_PPC64_GOT_TPREL16_LO_DS:
+ case R_PPC64_GOT_DTPREL16_DS:
+ case R_PPC64_GOT_DTPREL16_LO_DS:
+ case R_PPC64_TPREL16_DS:
+ case R_PPC64_TPREL16_LO_DS:
+ case R_PPC64_DTPREL16_DS:
+ case R_PPC64_DTPREL16_LO_DS:
if (((relocation + addend) & 3) != 0)
{
(*_bfd_error_handler)
bfd_archive_filename (input_bfd),
ppc64_elf_howto_table[(int) r_type]->name);
bfd_set_error (bfd_error_bad_value);
- ret = false;
+ ret = FALSE;
continue;
}
break;
branch_check:
/* If the branch is out of reach, then redirect the
call to the local stub for this function. */
- from = (offset
+ from = (rel->r_offset
+ input_section->output_offset
+ input_section->output_section->vma);
if (relocation + addend - from + max_br_offset >= 2 * max_br_offset
break;
}
- /* FIXME: Why do we allow debugging sections to escape this error?
- More importantly, why do we not emit dynamic relocs above in
- debugging sections (which are ! SEC_ALLOC)? If we had
- emitted the dynamic reloc, we could remove the fudge here. */
+ /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
+ because such sections are not SEC_ALLOC and thus ld.so will
+ not process them. */
if (unresolved_reloc
- && !(info->shared
- && (input_section->flags & SEC_DEBUGGING) != 0
+ && !((input_section->flags & SEC_DEBUGGING) != 0
&& (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
{
(*_bfd_error_handler)
bfd_get_section_name (input_bfd, input_section),
(long) rel->r_offset,
h->root.root.string);
- ret = false;
+ ret = FALSE;
}
r = _bfd_final_link_relocate (ppc64_elf_howto_table[(int) r_type],
input_bfd,
input_section,
contents,
- offset,
+ rel->r_offset,
relocation,
addend);
}
else
{
- name = bfd_elf_string_from_elf_section (input_bfd,
- symtab_hdr->sh_link,
- sym->st_name);
+ name = bfd_elf_local_sym_name (input_bfd, sym);
if (name == NULL)
continue;
- if (*name == '\0')
- name = bfd_section_name (input_bfd, sec);
}
if (r == bfd_reloc_overflow)
continue;
if (!((*info->callbacks->reloc_overflow)
(info, name, ppc64_elf_howto_table[(int) r_type]->name,
- rel->r_addend, input_bfd, input_section, offset)))
- return false;
+ rel->r_addend, input_bfd, input_section, rel->r_offset)))
+ return FALSE;
}
else
{
bfd_archive_filename (input_bfd),
bfd_get_section_name (input_bfd, input_section),
(long) rel->r_offset, name, (int) r);
- ret = false;
+ ret = FALSE;
}
}
}
/* Finish up dynamic symbol handling. We set the contents of various
dynamic sections here. */
-static boolean
+static bfd_boolean
ppc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym)
bfd *output_bfd;
struct bfd_link_info *info;
htab = ppc_hash_table (info);
dynobj = htab->elf.dynobj;
- if (h->plt.offset != (bfd_vma) -1
- && ((struct ppc_link_hash_entry *) h)->is_func_descriptor)
+ if (((struct ppc_link_hash_entry *) h)->is_func_descriptor)
{
+ struct plt_entry *ent;
Elf_Internal_Rela rela;
- Elf64_External_Rela *loc;
-
- /* This symbol has an entry in the procedure linkage table. Set
- it up. */
-
- if (htab->splt == NULL
- || htab->srelplt == NULL
- || htab->sglink == NULL)
- abort ();
-
- /* Create a JMP_SLOT reloc to inform the dynamic linker to
- fill in the PLT entry. */
-
- rela.r_offset = (htab->splt->output_section->vma
- + htab->splt->output_offset
- + h->plt.offset);
- rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_JMP_SLOT);
- rela.r_addend = 0;
-
- loc = (Elf64_External_Rela *) htab->srelplt->contents;
- loc += (h->plt.offset - PLT_INITIAL_ENTRY_SIZE) / PLT_ENTRY_SIZE;
- bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
- }
+ bfd_byte *loc;
- if (h->got.offset != (bfd_vma) -1)
- {
- Elf_Internal_Rela rela;
- Elf64_External_Rela *loc;
+ for (ent = h->plt.plist; ent != NULL; ent = ent->next)
+ if (ent->plt.offset != (bfd_vma) -1)
+ {
+ /* This symbol has an entry in the procedure linkage
+ table. Set it up. */
- /* This symbol has an entry in the global offset table. Set it
- up. */
+ if (htab->splt == NULL
+ || htab->srelplt == NULL
+ || htab->sglink == NULL)
+ abort ();
- if (htab->sgot == NULL || htab->srelgot == NULL)
- abort ();
+ /* Create a JMP_SLOT reloc to inform the dynamic linker to
+ fill in the PLT entry. */
- rela.r_offset = (htab->sgot->output_section->vma
- + htab->sgot->output_offset
- + (h->got.offset &~ (bfd_vma) 1));
-
- /* If this is a static link, or it is a -Bsymbolic link and the
- symbol is defined locally or was forced to be local because
- of a version file, 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->dynindx == -1
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
- {
- BFD_ASSERT((h->got.offset & 1) != 0);
- rela.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
- rela.r_addend = (h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset);
- }
- else
- {
- BFD_ASSERT ((h->got.offset & 1) == 0);
- bfd_put_64 (output_bfd, (bfd_vma) 0,
- htab->sgot->contents + h->got.offset);
- rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_GLOB_DAT);
- rela.r_addend = 0;
- }
+ rela.r_offset = (htab->splt->output_section->vma
+ + htab->splt->output_offset
+ + ent->plt.offset);
+ rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_JMP_SLOT);
+ rela.r_addend = ent->addend;
- loc = (Elf64_External_Rela *) htab->srelgot->contents;
- loc += htab->srelgot->reloc_count++;
- bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
+ loc = htab->srelplt->contents;
+ loc += ((ent->plt.offset - PLT_INITIAL_ENTRY_SIZE) / PLT_ENTRY_SIZE
+ * sizeof (Elf64_External_Rela));
+ bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
+ }
}
if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
{
Elf_Internal_Rela rela;
- Elf64_External_Rela *loc;
+ bfd_byte *loc;
/* This symbol needs a copy reloc. Set it up. */
+ h->root.u.def.section->output_offset);
rela.r_info = ELF64_R_INFO (h->dynindx, R_PPC64_COPY);
rela.r_addend = 0;
- loc = (Elf64_External_Rela *) htab->srelbss->contents;
- loc += htab->srelbss->reloc_count++;
+ loc = htab->srelbss->contents;
+ loc += htab->srelbss->reloc_count++ * sizeof (Elf64_External_Rela);
bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
}
if (strcmp (h->root.root.string, "_DYNAMIC") == 0)
sym->st_shndx = SHN_ABS;
- return true;
+ return TRUE;
}
/* Used to decide how to sort relocs in an optimal manner for the
ppc64_elf_reloc_type_class (rela)
const Elf_Internal_Rela *rela;
{
- enum elf_ppc_reloc_type r_type;
+ enum elf_ppc64_reloc_type r_type;
- r_type = (enum elf_ppc_reloc_type) ELF64_R_TYPE (rela->r_info);
+ r_type = (enum elf_ppc64_reloc_type) ELF64_R_TYPE (rela->r_info);
switch (r_type)
{
case R_PPC64_RELATIVE:
/* Finish up the dynamic sections. */
-static boolean
+static bfd_boolean
ppc64_elf_finish_dynamic_sections (output_bfd, info)
bfd *output_bfd;
struct bfd_link_info *info;
continue;
case DT_PPC64_GLINK:
- dyn.d_un.d_ptr = (htab->sglink->output_section->vma
- + htab->sglink->output_offset);
+ s = htab->sglink;
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
break;
case DT_PPC64_OPD:
s = bfd_get_section_by_name (output_bfd, ".opd");
- if (s != NULL)
- dyn.d_un.d_ptr = s->vma;
+ if (s == NULL)
+ continue;
+ dyn.d_un.d_ptr = s->vma;
break;
case DT_PPC64_OPDSZ:
s = bfd_get_section_by_name (output_bfd, ".opd");
- if (s != NULL)
- dyn.d_un.d_val = s->_raw_size;
+ if (s == NULL)
+ continue;
+ dyn.d_un.d_val = s->_raw_size;
break;
case DT_PLTGOT:
- dyn.d_un.d_ptr = (htab->splt->output_section->vma
- + htab->splt->output_offset);
+ s = htab->splt;
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
break;
case DT_JMPREL:
- dyn.d_un.d_ptr = (htab->srelplt->output_section->vma
- + htab->srelplt->output_offset);
+ s = htab->srelplt;
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
break;
case DT_PLTRELSZ:
case DT_RELASZ:
/* Don't count procedure linkage table relocs in the
overall reloc count. */
- if (htab->srelplt != NULL)
- dyn.d_un.d_val -= htab->srelplt->_raw_size;
+ s = htab->srelplt;
+ if (s == NULL)
+ continue;
+ dyn.d_un.d_val -= s->_raw_size;
+ break;
+
+ case DT_RELA:
+ /* We may not be using the standard ELF linker script.
+ If .rela.plt is the first .rela section, we adjust
+ DT_RELA to not include it. */
+ s = htab->srelplt;
+ if (s == NULL)
+ continue;
+ if (dyn.d_un.d_ptr != s->output_section->vma + s->output_offset)
+ continue;
+ dyn.d_un.d_ptr += s->_raw_size;
break;
}
= PLT_ENTRY_SIZE;
}
- return true;
+ return TRUE;
}
#define TARGET_LITTLE_SYM bfd_elf64_powerpcle_vec
#define elf_backend_rela_normal 1
#define bfd_elf64_bfd_reloc_type_lookup ppc64_elf_reloc_type_lookup
-#define bfd_elf64_bfd_set_private_flags ppc64_elf_set_private_flags
#define bfd_elf64_bfd_merge_private_bfd_data ppc64_elf_merge_private_bfd_data
+#define bfd_elf64_new_section_hook ppc64_elf_new_section_hook
#define bfd_elf64_bfd_link_hash_table_create ppc64_elf_link_hash_table_create
#define bfd_elf64_bfd_link_hash_table_free ppc64_elf_link_hash_table_free
-#define bfd_elf64_get_symbol_info ppc64_elf_get_symbol_info
-#define elf_backend_section_from_shdr ppc64_elf_section_from_shdr
+#define elf_backend_object_p ppc64_elf_object_p
#define elf_backend_create_dynamic_sections ppc64_elf_create_dynamic_sections
#define elf_backend_copy_indirect_symbol ppc64_elf_copy_indirect_symbol
#define elf_backend_check_relocs ppc64_elf_check_relocs
#define elf_backend_hide_symbol ppc64_elf_hide_symbol
#define elf_backend_always_size_sections ppc64_elf_func_desc_adjust
#define elf_backend_size_dynamic_sections ppc64_elf_size_dynamic_sections
-#define elf_backend_fake_sections ppc64_elf_fake_sections
#define elf_backend_relocate_section ppc64_elf_relocate_section
#define elf_backend_finish_dynamic_symbol ppc64_elf_finish_dynamic_symbol
#define elf_backend_reloc_type_class ppc64_elf_reloc_type_class
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