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authorobrien <obrien@FreeBSD.org>2009-01-19 17:25:17 +0000
committerobrien <obrien@FreeBSD.org>2009-01-19 17:25:17 +0000
commit2b02dfaa48ad11ff3ee427ee1db57fb6017a8a5e (patch)
treeaf590d7b357b1c28ab81f0cde1b0ea76a098fb7e /contrib/binutils/bfd/elf32-ppc.c
parentcd5f96a9efbe194cb6e0506e727cb6d287247d69 (diff)
downloadFreeBSD-src-2b02dfaa48ad11ff3ee427ee1db57fb6017a8a5e.zip
FreeBSD-src-2b02dfaa48ad11ff3ee427ee1db57fb6017a8a5e.tar.gz
Rename vendor/binutils/*/contrib to vendor/binutils/*/x
Binutils has a "contrib" subdirectory - thus flattening cannot happen without renaming the upper level contrib directory in a first pass. Also, don't record this move and remove any keyword expansion.
Diffstat (limited to 'contrib/binutils/bfd/elf32-ppc.c')
-rw-r--r--contrib/binutils/bfd/elf32-ppc.c6209
1 files changed, 0 insertions, 6209 deletions
diff --git a/contrib/binutils/bfd/elf32-ppc.c b/contrib/binutils/bfd/elf32-ppc.c
deleted file mode 100644
index 4eb08ad..0000000
--- a/contrib/binutils/bfd/elf32-ppc.c
+++ /dev/null
@@ -1,6209 +0,0 @@
-/* PowerPC-specific support for 32-bit ELF
- Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004 Free Software Foundation, Inc.
- Written by Ian Lance Taylor, Cygnus Support.
-
- This file is part of BFD, the Binary File Descriptor library.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-/* This file is based on a preliminary PowerPC ELF ABI. The
- information may not match the final PowerPC ELF ABI. It includes
- suggestions from the in-progress Embedded PowerPC ABI, and that
- information may also not match. */
-
-#include "bfd.h"
-#include "sysdep.h"
-#include "bfdlink.h"
-#include "libbfd.h"
-#include "elf-bfd.h"
-#include "elf/ppc.h"
-#include "elf32-ppc.h"
-
-/* RELA relocations are used here. */
-
-static bfd_reloc_status_type ppc_elf_addr16_ha_reloc
- (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
-static bfd_reloc_status_type ppc_elf_unhandled_reloc
- (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
-
-/* Branch prediction bit for branch taken relocs. */
-#define BRANCH_PREDICT_BIT 0x200000
-/* Mask to set RA in memory instructions. */
-#define RA_REGISTER_MASK 0x001f0000
-/* Value to shift register by to insert RA. */
-#define RA_REGISTER_SHIFT 16
-
-/* The name of the dynamic interpreter. This is put in the .interp
- section. */
-#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
-
-/* The size in bytes of an entry in the procedure linkage table. */
-#define PLT_ENTRY_SIZE 12
-/* The initial size of the plt reserved for the dynamic linker. */
-#define PLT_INITIAL_ENTRY_SIZE 72
-/* The size of the gap between entries in the PLT. */
-#define PLT_SLOT_SIZE 8
-/* The number of single-slot PLT entries (the rest use two slots). */
-#define PLT_NUM_SINGLE_ENTRIES 8192
-
-/* Some nop instructions. */
-#define NOP 0x60000000
-#define CROR_151515 0x4def7b82
-#define CROR_313131 0x4ffffb82
-
-/* Offset of tp and dtp pointers from start of TLS block. */
-#define TP_OFFSET 0x7000
-#define DTP_OFFSET 0x8000
-
-
-/* Enumeration to specify the special section. */
-enum elf_linker_section_enum
-{
- LINKER_SECTION_SDATA,
- LINKER_SECTION_SDATA2
-};
-
-/* Sections created by the linker. */
-
-typedef struct elf_linker_section
-{
- /* pointer to the section */
- asection *section;
- /* pointer to the relocations needed for this section */
- asection *rel_section;
- /* pointer to the created symbol hash value */
- struct elf_link_hash_entry *sym_hash;
- /* offset of symbol from beginning of section */
- bfd_vma sym_offset;
-} elf_linker_section_t;
-
-/* Linked list of allocated pointer entries. This hangs off of the
- symbol lists, and provides allows us to return different pointers,
- based on different addend's. */
-
-typedef struct elf_linker_section_pointers
-{
- /* next allocated pointer for this symbol */
- struct elf_linker_section_pointers *next;
- /* offset of pointer from beginning of section */
- bfd_vma offset;
- /* addend used */
- bfd_vma addend;
- /* which linker section this is */
- elf_linker_section_t *lsect;
- /* whether address was written yet */
- bfd_boolean written_address_p;
-} elf_linker_section_pointers_t;
-
-struct ppc_elf_obj_tdata
-{
- struct elf_obj_tdata elf;
-
- /* A mapping from local symbols to offsets into the various linker
- sections added. This is index by the symbol index. */
- elf_linker_section_pointers_t **linker_section_pointers;
-};
-
-#define ppc_elf_tdata(bfd) \
- ((struct ppc_elf_obj_tdata *) (bfd)->tdata.any)
-
-#define elf_local_ptr_offsets(bfd) \
- (ppc_elf_tdata (bfd)->linker_section_pointers)
-
-/* Override the generic function because we store some extras. */
-
-static bfd_boolean
-ppc_elf_mkobject (bfd *abfd)
-{
- bfd_size_type amt = sizeof (struct ppc_elf_obj_tdata);
- abfd->tdata.any = bfd_zalloc (abfd, amt);
- if (abfd->tdata.any == NULL)
- return FALSE;
- return TRUE;
-}
-
-/* The PPC linker needs to keep track of the number of relocs that it
- decides to copy as dynamic relocs in check_relocs for each symbol.
- This is so that it can later discard them if they are found to be
- unnecessary. We store the information in a field extending the
- regular ELF linker hash table. */
-
-struct ppc_elf_dyn_relocs
-{
- struct ppc_elf_dyn_relocs *next;
-
- /* 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;
-};
-
-/* PPC ELF linker hash entry. */
-
-struct ppc_elf_link_hash_entry
-{
- struct elf_link_hash_entry elf;
-
- /* If this symbol is used in the linker created sections, the processor
- specific backend uses this field to map the field into the offset
- from the beginning of the section. */
- elf_linker_section_pointers_t *linker_section_pointer;
-
- /* Track dynamic relocs copied for this symbol. */
- struct ppc_elf_dyn_relocs *dyn_relocs;
-
- /* Contexts in which symbol is used in the GOT (or TOC).
- TLS_GD .. TLS_TLS bits are or'd into the mask as the
- corresponding relocs are encountered during check_relocs.
- tls_optimize clears TLS_GD .. TLS_TPREL when optimizing to
- indicate the corresponding GOT entry type is not needed. */
-#define TLS_GD 1 /* GD reloc. */
-#define TLS_LD 2 /* LD reloc. */
-#define TLS_TPREL 4 /* TPREL reloc, => IE. */
-#define TLS_DTPREL 8 /* DTPREL reloc, => LD. */
-#define TLS_TLS 16 /* Any TLS reloc. */
-#define TLS_TPRELGD 32 /* TPREL reloc resulting from GD->IE. */
- char tls_mask;
-};
-
-#define ppc_elf_hash_entry(ent) ((struct ppc_elf_link_hash_entry *) (ent))
-
-/* PPC ELF linker hash table. */
-
-struct ppc_elf_link_hash_table
-{
- struct elf_link_hash_table elf;
-
- /* Short-cuts to get to dynamic linker sections. */
- asection *got;
- asection *relgot;
- asection *plt;
- asection *relplt;
- asection *dynbss;
- asection *relbss;
- asection *dynsbss;
- asection *relsbss;
- elf_linker_section_t *sdata;
- elf_linker_section_t *sdata2;
- asection *sbss;
-
- /* 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;
-
- /* Small local sym to section mapping cache. */
- struct sym_sec_cache sym_sec;
-};
-
-/* Get the PPC ELF linker hash table from a link_info structure. */
-
-#define ppc_elf_hash_table(p) \
- ((struct ppc_elf_link_hash_table *) (p)->hash)
-
-/* Create an entry in a PPC ELF linker hash table. */
-
-static struct bfd_hash_entry *
-ppc_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
- struct bfd_hash_table *table,
- const char *string)
-{
- /* Allocate the structure if it has not already been allocated by a
- subclass. */
- if (entry == NULL)
- {
- entry = bfd_hash_allocate (table,
- sizeof (struct ppc_elf_link_hash_entry));
- if (entry == NULL)
- return entry;
- }
-
- /* Call the allocation method of the superclass. */
- entry = _bfd_elf_link_hash_newfunc (entry, table, string);
- if (entry != NULL)
- {
- ppc_elf_hash_entry (entry)->linker_section_pointer = NULL;
- ppc_elf_hash_entry (entry)->dyn_relocs = NULL;
- ppc_elf_hash_entry (entry)->tls_mask = 0;
- }
-
- return entry;
-}
-
-/* Create a PPC ELF linker hash table. */
-
-static struct bfd_link_hash_table *
-ppc_elf_link_hash_table_create (bfd *abfd)
-{
- struct ppc_elf_link_hash_table *ret;
-
- ret = bfd_zmalloc (sizeof (struct ppc_elf_link_hash_table));
- if (ret == NULL)
- return NULL;
-
- if (! _bfd_elf_link_hash_table_init (&ret->elf, abfd,
- ppc_elf_link_hash_newfunc))
- {
- free (ret);
- return NULL;
- }
-
- return &ret->elf.root;
-}
-
-/* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
- copying dynamic variables from a shared lib into an app's dynbss
- section, and instead use a dynamic relocation to point into the
- shared lib. */
-#define ELIMINATE_COPY_RELOCS 1
-
-/* Copy the extra info we tack onto an elf_link_hash_entry. */
-
-static void
-ppc_elf_copy_indirect_symbol (const struct elf_backend_data *bed,
- struct elf_link_hash_entry *dir,
- struct elf_link_hash_entry *ind)
-{
- struct ppc_elf_link_hash_entry *edir, *eind;
-
- edir = (struct ppc_elf_link_hash_entry *) dir;
- eind = (struct ppc_elf_link_hash_entry *) ind;
-
- if (eind->dyn_relocs != NULL)
- {
- if (edir->dyn_relocs != NULL)
- {
- struct ppc_elf_dyn_relocs **pp;
- struct ppc_elf_dyn_relocs *p;
-
- if (ind->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_elf_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;
- }
-
- edir->tls_mask |= eind->tls_mask;
-
- if (ELIMINATE_COPY_RELOCS
- && ind->root.type != bfd_link_hash_indirect
- && (dir->elf_link_hash_flags & ELF_LINK_HASH_DYNAMIC_ADJUSTED) != 0)
- /* If called to transfer flags for a weakdef during processing
- of elf_adjust_dynamic_symbol, don't copy ELF_LINK_NON_GOT_REF.
- We clear it ourselves for ELIMINATE_COPY_RELOCS. */
- dir->elf_link_hash_flags |=
- (ind->elf_link_hash_flags & (ELF_LINK_HASH_REF_DYNAMIC
- | ELF_LINK_HASH_REF_REGULAR
- | ELF_LINK_HASH_REF_REGULAR_NONWEAK
- | ELF_LINK_HASH_NEEDS_PLT));
- else
- _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
-}
-
-static reloc_howto_type *ppc_elf_howto_table[R_PPC_max];
-
-static reloc_howto_type ppc_elf_howto_raw[] = {
- /* This reloc does nothing. */
- HOWTO (R_PPC_NONE, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_NONE", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A standard 32 bit relocation. */
- HOWTO (R_PPC_ADDR32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_ADDR32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* An absolute 26 bit branch; the lower two bits must be zero.
- FIXME: we don't check that, we just clear them. */
- HOWTO (R_PPC_ADDR24, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_ADDR24", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x3fffffc, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A standard 16 bit relocation. */
- HOWTO (R_PPC_ADDR16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_ADDR16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A 16 bit relocation without overflow. */
- HOWTO (R_PPC_ADDR16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont,/* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_ADDR16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* The high order 16 bits of an address. */
- HOWTO (R_PPC_ADDR16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_ADDR16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* The high order 16 bits of an address, plus 1 if the contents of
- the low 16 bits, treated as a signed number, is negative. */
- HOWTO (R_PPC_ADDR16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc_elf_addr16_ha_reloc, /* special_function */
- "R_PPC_ADDR16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* An absolute 16 bit branch; the lower two bits must be zero.
- FIXME: we don't check that, we just clear them. */
- HOWTO (R_PPC_ADDR14, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_ADDR14", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* An absolute 16 bit branch, for which bit 10 should be set to
- indicate that the branch is expected to be taken. The lower two
- bits must be zero. */
- HOWTO (R_PPC_ADDR14_BRTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_ADDR14_BRTAKEN",/* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* An absolute 16 bit branch, for which bit 10 should be set to
- indicate that the branch is not expected to be taken. The lower
- two bits must be zero. */
- HOWTO (R_PPC_ADDR14_BRNTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_ADDR14_BRNTAKEN",/* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A relative 26 bit branch; the lower two bits must be zero. */
- HOWTO (R_PPC_REL24, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_REL24", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x3fffffc, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* A relative 16 bit branch; the lower two bits must be zero. */
- HOWTO (R_PPC_REL14, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_REL14", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* A relative 16 bit branch. Bit 10 should be set to indicate that
- the branch is expected to be taken. The lower two bits must be
- zero. */
- HOWTO (R_PPC_REL14_BRTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_REL14_BRTAKEN", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* A relative 16 bit branch. Bit 10 should be set to indicate that
- the branch is not expected to be taken. The lower two bits must
- be zero. */
- HOWTO (R_PPC_REL14_BRNTAKEN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_REL14_BRNTAKEN",/* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xfffc, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* Like R_PPC_ADDR16, but referring to the GOT table entry for the
- symbol. */
- HOWTO (R_PPC_GOT16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_GOT16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like R_PPC_ADDR16_LO, but referring to the GOT table entry for
- the symbol. */
- HOWTO (R_PPC_GOT16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_GOT16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like R_PPC_ADDR16_HI, but referring to the GOT table entry for
- the symbol. */
- HOWTO (R_PPC_GOT16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_GOT16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like R_PPC_ADDR16_HA, but referring to the GOT table entry for
- the symbol. */
- HOWTO (R_PPC_GOT16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_addr16_ha_reloc, /* special_function */
- "R_PPC_GOT16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like R_PPC_REL24, but referring to the procedure linkage table
- entry for the symbol. */
- HOWTO (R_PPC_PLTREL24, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_PLTREL24", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x3fffffc, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* This is used only by the dynamic linker. The symbol should exist
- both in the object being run and in some shared library. The
- dynamic linker copies the data addressed by the symbol from the
- shared library into the object, because the object being
- run has to have the data at some particular address. */
- HOWTO (R_PPC_COPY, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_COPY", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like R_PPC_ADDR32, but used when setting global offset table
- entries. */
- HOWTO (R_PPC_GLOB_DAT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_GLOB_DAT", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Marks a procedure linkage table entry for a symbol. */
- HOWTO (R_PPC_JMP_SLOT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_JMP_SLOT", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Used only by the dynamic linker. When the object is run, this
- longword is set to the load address of the object, plus the
- addend. */
- HOWTO (R_PPC_RELATIVE, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_RELATIVE", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like R_PPC_REL24, but uses the value of the symbol within the
- object rather than the final value. Normally used for
- _GLOBAL_OFFSET_TABLE_. */
- HOWTO (R_PPC_LOCAL24PC, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_LOCAL24PC", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x3fffffc, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* Like R_PPC_ADDR32, but may be unaligned. */
- HOWTO (R_PPC_UADDR32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_UADDR32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like R_PPC_ADDR16, but may be unaligned. */
- HOWTO (R_PPC_UADDR16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_UADDR16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* 32-bit PC relative */
- HOWTO (R_PPC_REL32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_REL32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* 32-bit relocation to the symbol's procedure linkage table.
- FIXME: not supported. */
- HOWTO (R_PPC_PLT32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_PLT32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* 32-bit PC relative relocation to the symbol's procedure linkage table.
- FIXME: not supported. */
- HOWTO (R_PPC_PLTREL32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_PLTREL32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* Like R_PPC_ADDR16_LO, but referring to the PLT table entry for
- the symbol. */
- HOWTO (R_PPC_PLT16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_PLT16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like R_PPC_ADDR16_HI, but referring to the PLT table entry for
- the symbol. */
- HOWTO (R_PPC_PLT16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_PLT16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like R_PPC_ADDR16_HA, but referring to the PLT table entry for
- the symbol. */
- HOWTO (R_PPC_PLT16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_addr16_ha_reloc, /* special_function */
- "R_PPC_PLT16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A sign-extended 16 bit value relative to _SDA_BASE_, for use with
- small data items. */
- HOWTO (R_PPC_SDAREL16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_SDAREL16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* 16-bit section relative relocation. */
- HOWTO (R_PPC_SECTOFF, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_SECTOFF", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* 16-bit lower half section relative relocation. */
- HOWTO (R_PPC_SECTOFF_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_SECTOFF_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* 16-bit upper half section relative relocation. */
- HOWTO (R_PPC_SECTOFF_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_SECTOFF_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* 16-bit upper half adjusted section relative relocation. */
- HOWTO (R_PPC_SECTOFF_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- ppc_elf_addr16_ha_reloc, /* special_function */
- "R_PPC_SECTOFF_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Marker reloc for TLS. */
- HOWTO (R_PPC_TLS,
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_TLS", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Computes the load module index of the load module that contains the
- definition of its TLS sym. */
- HOWTO (R_PPC_DTPMOD32,
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_DTPMOD32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* 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_PPC_DTPREL32,
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_DTPREL32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A 16 bit dtprel reloc. */
- HOWTO (R_PPC_DTPREL16,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_DTPREL16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like DTPREL16, but no overflow. */
- HOWTO (R_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_DTPREL16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like DTPREL16_LO, but next higher group of 16 bits. */
- HOWTO (R_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_DTPREL16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like DTPREL16_HI, but adjust for low 16 bits. */
- HOWTO (R_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_DTPREL16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Computes a tp-relative displacement, the difference between the value of
- sym+add and the value of the thread pointer (r13). */
- HOWTO (R_PPC_TPREL32,
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_TPREL32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A 16 bit tprel reloc. */
- HOWTO (R_PPC_TPREL16,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_TPREL16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like TPREL16, but no overflow. */
- HOWTO (R_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_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_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_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_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_TPREL16_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 (sym+add)@dtprel, and computes the offset
- to the first entry. */
- HOWTO (R_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_GOT_TLSGD16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like GOT_TLSGD16, but no overflow. */
- HOWTO (R_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_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_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_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_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_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. */
- HOWTO (R_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_GOT_TLSLD16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like GOT_TLSLD16, but no overflow. */
- HOWTO (R_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_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_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_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_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_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. */
- HOWTO (R_PPC_GOT_DTPREL16,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_GOT_DTPREL16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like GOT_DTPREL16, but no overflow. */
- HOWTO (R_PPC_GOT_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_GOT_DTPREL16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like GOT_DTPREL16_LO, but next higher group of 16 bits. */
- HOWTO (R_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_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_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_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. */
- HOWTO (R_PPC_GOT_TPREL16,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_GOT_TPREL16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like GOT_TPREL16, but no overflow. */
- HOWTO (R_PPC_GOT_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_GOT_TPREL16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like GOT_TPREL16_LO, but next higher group of 16 bits. */
- HOWTO (R_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_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_PPC_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 */
- ppc_elf_unhandled_reloc, /* special_function */
- "R_PPC_GOT_TPREL16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* The remaining relocs are from the Embedded ELF ABI, and are not
- in the SVR4 ELF ABI. */
-
- /* 32 bit value resulting from the addend minus the symbol. */
- HOWTO (R_PPC_EMB_NADDR32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_EMB_NADDR32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* 16 bit value resulting from the addend minus the symbol. */
- HOWTO (R_PPC_EMB_NADDR16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_EMB_NADDR16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* 16 bit value resulting from the addend minus the symbol. */
- HOWTO (R_PPC_EMB_NADDR16_LO, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont,/* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_EMB_ADDR16_LO", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* The high order 16 bits of the addend minus the symbol. */
- HOWTO (R_PPC_EMB_NADDR16_HI, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_EMB_NADDR16_HI", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* The high order 16 bits of the result of the addend minus the address,
- plus 1 if the contents of the low 16 bits, treated as a signed number,
- is negative. */
- HOWTO (R_PPC_EMB_NADDR16_HA, /* type */
- 16, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- ppc_elf_addr16_ha_reloc, /* special_function */
- "R_PPC_EMB_NADDR16_HA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* 16 bit value resulting from allocating a 4 byte word to hold an
- address in the .sdata section, and returning the offset from
- _SDA_BASE_ for that relocation. */
- HOWTO (R_PPC_EMB_SDAI16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_EMB_SDAI16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* 16 bit value resulting from allocating a 4 byte word to hold an
- address in the .sdata2 section, and returning the offset from
- _SDA2_BASE_ for that relocation. */
- HOWTO (R_PPC_EMB_SDA2I16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_EMB_SDA2I16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A sign-extended 16 bit value relative to _SDA2_BASE_, for use with
- small data items. */
- HOWTO (R_PPC_EMB_SDA2REL, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_EMB_SDA2REL", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Relocate against either _SDA_BASE_ or _SDA2_BASE_, filling in the 16 bit
- signed offset from the appropriate base, and filling in the register
- field with the appropriate register (0, 2, or 13). */
- HOWTO (R_PPC_EMB_SDA21, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_EMB_SDA21", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Relocation not handled: R_PPC_EMB_MRKREF */
- /* Relocation not handled: R_PPC_EMB_RELSEC16 */
- /* Relocation not handled: R_PPC_EMB_RELST_LO */
- /* Relocation not handled: R_PPC_EMB_RELST_HI */
- /* Relocation not handled: R_PPC_EMB_RELST_HA */
- /* Relocation not handled: R_PPC_EMB_BIT_FLD */
-
- /* PC relative relocation against either _SDA_BASE_ or _SDA2_BASE_, filling
- in the 16 bit signed offset from the appropriate base, and filling in the
- register field with the appropriate register (0, 2, or 13). */
- HOWTO (R_PPC_EMB_RELSDA, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_EMB_RELSDA", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Phony relocs to handle branch stubs. */
- HOWTO (R_PPC_RELAX32, /* type */
- 0, /* rightshift */
- 0, /* size */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_RELAX32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- HOWTO (R_PPC_RELAX32PC, /* type */
- 0, /* rightshift */
- 0, /* size */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_RELAX32PC", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* GNU extension to record C++ vtable hierarchy. */
- HOWTO (R_PPC_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_PPC_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_PPC_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_PPC_GNU_VTENTRY", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Phony reloc to handle AIX style TOC entries. */
- HOWTO (R_PPC_TOC16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_PPC_TOC16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-};
-
-/* Initialize the ppc_elf_howto_table, so that linear accesses can be done. */
-
-static void
-ppc_elf_howto_init (void)
-{
- unsigned int i, type;
-
- for (i = 0;
- i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]);
- i++)
- {
- type = ppc_elf_howto_raw[i].type;
- if (type >= (sizeof (ppc_elf_howto_table)
- / sizeof (ppc_elf_howto_table[0])))
- abort ();
- ppc_elf_howto_table[type] = &ppc_elf_howto_raw[i];
- }
-}
-
-#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
-
-static const int shared_stub_entry[] =
- {
- 0x7c0802a6, /* mflr 0 */
- 0x429f0005, /* bcl 20, 31, .Lxxx */
- 0x7d6802a6, /* mflr 11 */
- 0x3d6b0000, /* addis 11, 11, (xxx-.Lxxx)@ha */
- 0x396b0018, /* addi 11, 11, (xxx-.Lxxx)@l */
- 0x7c0803a6, /* mtlr 0 */
- 0x7d6903a6, /* mtctr 11 */
- 0x4e800420, /* bctr */
- };
-
-static const int stub_entry[] =
- {
- 0x3d600000, /* lis 11,xxx@ha */
- 0x396b0000, /* addi 11,11,xxx@l */
- 0x7d6903a6, /* mtctr 11 */
- 0x4e800420, /* bctr */
- };
-
-
-static bfd_boolean
-ppc_elf_relax_section (bfd *abfd,
- asection *isec,
- struct bfd_link_info *link_info,
- bfd_boolean *again)
-{
- struct one_fixup
- {
- struct one_fixup *next;
- asection *tsec;
- bfd_vma toff;
- bfd_vma trampoff;
- };
-
- Elf_Internal_Shdr *symtab_hdr;
- bfd_byte *contents = NULL;
- Elf_Internal_Sym *isymbuf = NULL;
- Elf_Internal_Rela *internal_relocs = NULL;
- Elf_Internal_Rela *irel, *irelend;
- struct one_fixup *fixups = NULL;
- bfd_boolean changed;
- struct ppc_elf_link_hash_table *ppc_info;
- bfd_size_type trampoff;
-
- *again = FALSE;
-
- /* Nothing to do if there are no relocations. */
- if ((isec->flags & SEC_RELOC) == 0 || isec->reloc_count == 0)
- return TRUE;
-
- /* If needed, initialize this section's cooked size. */
- if (isec->_cooked_size == 0)
- isec->_cooked_size = isec->_raw_size;
-
- trampoff = (isec->_cooked_size + 3) & (bfd_vma) -4;
- /* Space for a branch around any trampolines. */
- trampoff += 4;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
-
- /* Get a copy of the native relocations. */
- internal_relocs = _bfd_elf_link_read_relocs (abfd, isec, NULL, NULL,
- link_info->keep_memory);
- if (internal_relocs == NULL)
- goto error_return;
-
- ppc_info = ppc_elf_hash_table (link_info);
- irelend = internal_relocs + isec->reloc_count;
-
- /* Get the section contents. */
- /* Get cached copy if it exists. */
- if (elf_section_data (isec)->this_hdr.contents != NULL)
- contents = elf_section_data (isec)->this_hdr.contents;
- else
- {
- /* Go get them off disk. */
- contents = bfd_malloc (isec->_raw_size);
- if (contents == NULL)
- goto error_return;
-
- if (!bfd_get_section_contents (abfd, isec, contents, 0, isec->_raw_size))
- goto error_return;
- }
-
- for (irel = internal_relocs; irel < irelend; irel++)
- {
- unsigned long r_type = ELF32_R_TYPE (irel->r_info);
- bfd_vma symaddr, reladdr, toff, roff;
- asection *tsec;
- struct one_fixup *f;
- size_t insn_offset = 0;
- bfd_vma max_branch_offset, val;
- bfd_byte *hit_addr;
- unsigned long t0;
-
- switch (r_type)
- {
- case R_PPC_REL24:
- case R_PPC_LOCAL24PC:
- case R_PPC_PLTREL24:
- max_branch_offset = 1 << 25;
- break;
-
- case R_PPC_REL14:
- case R_PPC_REL14_BRTAKEN:
- case R_PPC_REL14_BRNTAKEN:
- max_branch_offset = 1 << 15;
- break;
-
- default:
- continue;
- }
-
- /* Get the value of the symbol referred to by the reloc. */
- if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
- {
- /* A local symbol. */
- Elf_Internal_Sym *isym;
-
- /* Read this BFD's local symbols. */
- if (isymbuf == NULL)
- {
- isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
- if (isymbuf == NULL)
- isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
- symtab_hdr->sh_info, 0,
- NULL, NULL, NULL);
- if (isymbuf == 0)
- goto error_return;
- }
- isym = isymbuf + ELF32_R_SYM (irel->r_info);
- if (isym->st_shndx == SHN_UNDEF)
- continue; /* We can't do anything with undefined symbols. */
- else if (isym->st_shndx == SHN_ABS)
- tsec = bfd_abs_section_ptr;
- else if (isym->st_shndx == SHN_COMMON)
- tsec = bfd_com_section_ptr;
- else
- tsec = bfd_section_from_elf_index (abfd, isym->st_shndx);
-
- toff = isym->st_value;
- }
- else
- {
- /* Global symbol handling. */
- unsigned long indx;
- struct elf_link_hash_entry *h;
-
- indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
- h = elf_sym_hashes (abfd)[indx];
-
- 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;
-
- if (r_type == R_PPC_PLTREL24
- && ppc_info->plt != NULL
- && h->plt.offset != (bfd_vma) -1)
- {
- tsec = ppc_info->plt;
- toff = h->plt.offset;
- }
- else if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- {
- tsec = h->root.u.def.section;
- toff = h->root.u.def.value;
- }
- else
- continue;
- }
-
- /* If the branch and target are in the same section, you have
- no hope of adding stubs. We'll error out later should the
- branch overflow. */
- if (tsec == isec)
- continue;
-
- toff += irel->r_addend;
- if (tsec->sec_info_type == ELF_INFO_TYPE_MERGE)
- toff = _bfd_merged_section_offset (abfd, &tsec,
- elf_section_data (tsec)->sec_info,
- toff, 0);
-
- symaddr = tsec->output_section->vma + tsec->output_offset + toff;
-
- roff = irel->r_offset;
- reladdr = isec->output_section->vma + isec->output_offset + roff;
-
- /* If the branch is in range, no need to do anything. */
- if (symaddr - reladdr + max_branch_offset < 2 * max_branch_offset)
- continue;
-
- /* Look for an existing fixup to this address. */
- for (f = fixups; f ; f = f->next)
- if (f->tsec == tsec && f->toff == toff)
- break;
-
- if (f == NULL)
- {
- size_t size;
- unsigned long stub_rtype;
-
- val = trampoff - roff;
- if (val >= max_branch_offset)
- /* Oh dear, we can't reach a trampoline. Don't try to add
- one. We'll report an error later. */
- continue;
-
- if (link_info->shared)
- {
- size = 4 * ARRAY_SIZE (shared_stub_entry);
- insn_offset = 12;
- stub_rtype = R_PPC_RELAX32PC;
- }
- else
- {
- size = 4 * ARRAY_SIZE (stub_entry);
- insn_offset = 0;
- stub_rtype = R_PPC_RELAX32;
- }
-
- /* Hijack the old relocation. Since we need two
- relocations for this use a "composite" reloc. */
- irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
- stub_rtype);
- irel->r_offset = trampoff + insn_offset;
-
- /* Record the fixup so we don't do it again this section. */
- f = bfd_malloc (sizeof (*f));
- f->next = fixups;
- f->tsec = tsec;
- f->toff = toff;
- f->trampoff = trampoff;
- fixups = f;
-
- trampoff += size;
- }
- else
- {
- val = f->trampoff - roff;
- if (val >= max_branch_offset)
- continue;
-
- /* Nop out the reloc, since we're finalizing things here. */
- irel->r_info = ELF32_R_INFO (0, R_PPC_NONE);
- }
-
- /* Fix up the existing branch to hit the trampoline. */
- hit_addr = contents + roff;
- switch (r_type)
- {
- case R_PPC_REL24:
- case R_PPC_LOCAL24PC:
- case R_PPC_PLTREL24:
- t0 = bfd_get_32 (abfd, hit_addr);
- t0 &= ~0x3fffffc;
- t0 |= val & 0x3fffffc;
- bfd_put_32 (abfd, t0, hit_addr);
- break;
-
- case R_PPC_REL14:
- case R_PPC_REL14_BRTAKEN:
- case R_PPC_REL14_BRNTAKEN:
- t0 = bfd_get_32 (abfd, hit_addr);
- t0 &= ~0xfffc;
- t0 |= val & 0xfffc;
- bfd_put_32 (abfd, t0, hit_addr);
- break;
- }
- }
-
- /* Write out the trampolines. */
- changed = fixups != NULL;
- if (fixups != NULL)
- {
- const int *stub;
- bfd_byte *dest;
- bfd_vma val;
- int i, size;
-
- do
- {
- struct one_fixup *f = fixups;
- fixups = fixups->next;
- free (f);
- }
- while (fixups);
-
- contents = bfd_realloc (contents, trampoff);
- if (contents == NULL)
- goto error_return;
-
- isec->_cooked_size = (isec->_cooked_size + 3) & (bfd_vma) -4;
- /* Branch around the trampolines. */
- val = trampoff - isec->_cooked_size + 0x48000000;
- dest = contents + isec->_cooked_size;
- isec->_cooked_size = trampoff;
- bfd_put_32 (abfd, val, dest);
- dest += 4;
-
- if (link_info->shared)
- {
- stub = shared_stub_entry;
- size = ARRAY_SIZE (shared_stub_entry);
- }
- else
- {
- stub = stub_entry;
- size = ARRAY_SIZE (stub_entry);
- }
-
- i = 0;
- while (dest < contents + trampoff)
- {
- bfd_put_32 (abfd, stub[i], dest);
- i++;
- if (i == size)
- i = 0;
- dest += 4;
- }
- BFD_ASSERT (i == 0);
- }
-
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
- {
- if (! link_info->keep_memory)
- free (isymbuf);
- else
- {
- /* Cache the symbols for elf_link_input_bfd. */
- symtab_hdr->contents = (unsigned char *) isymbuf;
- }
- }
-
- if (contents != NULL
- && elf_section_data (isec)->this_hdr.contents != contents)
- {
- if (!changed && !link_info->keep_memory)
- free (contents);
- else
- {
- /* Cache the section contents for elf_link_input_bfd. */
- elf_section_data (isec)->this_hdr.contents = contents;
- }
- }
-
- if (elf_section_data (isec)->relocs != internal_relocs)
- {
- if (!changed)
- free (internal_relocs);
- else
- elf_section_data (isec)->relocs = internal_relocs;
- }
-
- *again = changed;
- return TRUE;
-
- error_return:
- if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents)
- free (isymbuf);
- if (contents != NULL
- && elf_section_data (isec)->this_hdr.contents != contents)
- free (contents);
- if (internal_relocs != NULL
- && elf_section_data (isec)->relocs != internal_relocs)
- free (internal_relocs);
- return FALSE;
-}
-
-static reloc_howto_type *
-ppc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_reloc_code_real_type code)
-{
- enum elf_ppc_reloc_type r;
-
- /* Initialize howto table if not already done. */
- if (!ppc_elf_howto_table[R_PPC_ADDR32])
- ppc_elf_howto_init ();
-
- switch (code)
- {
- default:
- return NULL;
-
- case BFD_RELOC_NONE: r = R_PPC_NONE; break;
- case BFD_RELOC_32: r = R_PPC_ADDR32; break;
- case BFD_RELOC_PPC_BA26: r = R_PPC_ADDR24; break;
- case BFD_RELOC_16: r = R_PPC_ADDR16; break;
- case BFD_RELOC_LO16: r = R_PPC_ADDR16_LO; break;
- case BFD_RELOC_HI16: r = R_PPC_ADDR16_HI; break;
- case BFD_RELOC_HI16_S: r = R_PPC_ADDR16_HA; break;
- case BFD_RELOC_PPC_BA16: r = R_PPC_ADDR14; break;
- case BFD_RELOC_PPC_BA16_BRTAKEN: r = R_PPC_ADDR14_BRTAKEN; break;
- case BFD_RELOC_PPC_BA16_BRNTAKEN: r = R_PPC_ADDR14_BRNTAKEN; break;
- case BFD_RELOC_PPC_B26: r = R_PPC_REL24; break;
- case BFD_RELOC_PPC_B16: r = R_PPC_REL14; break;
- case BFD_RELOC_PPC_B16_BRTAKEN: r = R_PPC_REL14_BRTAKEN; break;
- case BFD_RELOC_PPC_B16_BRNTAKEN: r = R_PPC_REL14_BRNTAKEN; break;
- case BFD_RELOC_16_GOTOFF: r = R_PPC_GOT16; break;
- case BFD_RELOC_LO16_GOTOFF: r = R_PPC_GOT16_LO; break;
- case BFD_RELOC_HI16_GOTOFF: r = R_PPC_GOT16_HI; break;
- case BFD_RELOC_HI16_S_GOTOFF: r = R_PPC_GOT16_HA; break;
- case BFD_RELOC_24_PLT_PCREL: r = R_PPC_PLTREL24; break;
- case BFD_RELOC_PPC_COPY: r = R_PPC_COPY; break;
- case BFD_RELOC_PPC_GLOB_DAT: r = R_PPC_GLOB_DAT; break;
- case BFD_RELOC_PPC_LOCAL24PC: r = R_PPC_LOCAL24PC; break;
- case BFD_RELOC_32_PCREL: r = R_PPC_REL32; break;
- case BFD_RELOC_32_PLTOFF: r = R_PPC_PLT32; break;
- case BFD_RELOC_32_PLT_PCREL: r = R_PPC_PLTREL32; break;
- case BFD_RELOC_LO16_PLTOFF: r = R_PPC_PLT16_LO; break;
- case BFD_RELOC_HI16_PLTOFF: r = R_PPC_PLT16_HI; break;
- case BFD_RELOC_HI16_S_PLTOFF: r = R_PPC_PLT16_HA; break;
- case BFD_RELOC_GPREL16: r = R_PPC_SDAREL16; break;
- case BFD_RELOC_16_BASEREL: r = R_PPC_SECTOFF; break;
- case BFD_RELOC_LO16_BASEREL: r = R_PPC_SECTOFF_LO; break;
- case BFD_RELOC_HI16_BASEREL: r = R_PPC_SECTOFF_HI; break;
- case BFD_RELOC_HI16_S_BASEREL: r = R_PPC_SECTOFF_HA; break;
- case BFD_RELOC_CTOR: r = R_PPC_ADDR32; break;
- case BFD_RELOC_PPC_TOC16: r = R_PPC_TOC16; break;
- case BFD_RELOC_PPC_TLS: r = R_PPC_TLS; break;
- case BFD_RELOC_PPC_DTPMOD: r = R_PPC_DTPMOD32; break;
- case BFD_RELOC_PPC_TPREL16: r = R_PPC_TPREL16; break;
- case BFD_RELOC_PPC_TPREL16_LO: r = R_PPC_TPREL16_LO; break;
- case BFD_RELOC_PPC_TPREL16_HI: r = R_PPC_TPREL16_HI; break;
- case BFD_RELOC_PPC_TPREL16_HA: r = R_PPC_TPREL16_HA; break;
- case BFD_RELOC_PPC_TPREL: r = R_PPC_TPREL32; break;
- case BFD_RELOC_PPC_DTPREL16: r = R_PPC_DTPREL16; break;
- case BFD_RELOC_PPC_DTPREL16_LO: r = R_PPC_DTPREL16_LO; break;
- case BFD_RELOC_PPC_DTPREL16_HI: r = R_PPC_DTPREL16_HI; break;
- case BFD_RELOC_PPC_DTPREL16_HA: r = R_PPC_DTPREL16_HA; break;
- case BFD_RELOC_PPC_DTPREL: r = R_PPC_DTPREL32; break;
- case BFD_RELOC_PPC_GOT_TLSGD16: r = R_PPC_GOT_TLSGD16; break;
- case BFD_RELOC_PPC_GOT_TLSGD16_LO: r = R_PPC_GOT_TLSGD16_LO; break;
- case BFD_RELOC_PPC_GOT_TLSGD16_HI: r = R_PPC_GOT_TLSGD16_HI; break;
- case BFD_RELOC_PPC_GOT_TLSGD16_HA: r = R_PPC_GOT_TLSGD16_HA; break;
- case BFD_RELOC_PPC_GOT_TLSLD16: r = R_PPC_GOT_TLSLD16; break;
- case BFD_RELOC_PPC_GOT_TLSLD16_LO: r = R_PPC_GOT_TLSLD16_LO; break;
- case BFD_RELOC_PPC_GOT_TLSLD16_HI: r = R_PPC_GOT_TLSLD16_HI; break;
- case BFD_RELOC_PPC_GOT_TLSLD16_HA: r = R_PPC_GOT_TLSLD16_HA; break;
- case BFD_RELOC_PPC_GOT_TPREL16: r = R_PPC_GOT_TPREL16; break;
- case BFD_RELOC_PPC_GOT_TPREL16_LO: r = R_PPC_GOT_TPREL16_LO; break;
- case BFD_RELOC_PPC_GOT_TPREL16_HI: r = R_PPC_GOT_TPREL16_HI; break;
- case BFD_RELOC_PPC_GOT_TPREL16_HA: r = R_PPC_GOT_TPREL16_HA; break;
- case BFD_RELOC_PPC_GOT_DTPREL16: r = R_PPC_GOT_DTPREL16; break;
- case BFD_RELOC_PPC_GOT_DTPREL16_LO: r = R_PPC_GOT_DTPREL16_LO; break;
- case BFD_RELOC_PPC_GOT_DTPREL16_HI: r = R_PPC_GOT_DTPREL16_HI; break;
- case BFD_RELOC_PPC_GOT_DTPREL16_HA: r = R_PPC_GOT_DTPREL16_HA; break;
- case BFD_RELOC_PPC_EMB_NADDR32: r = R_PPC_EMB_NADDR32; break;
- case BFD_RELOC_PPC_EMB_NADDR16: r = R_PPC_EMB_NADDR16; break;
- case BFD_RELOC_PPC_EMB_NADDR16_LO: r = R_PPC_EMB_NADDR16_LO; break;
- case BFD_RELOC_PPC_EMB_NADDR16_HI: r = R_PPC_EMB_NADDR16_HI; break;
- case BFD_RELOC_PPC_EMB_NADDR16_HA: r = R_PPC_EMB_NADDR16_HA; break;
- case BFD_RELOC_PPC_EMB_SDAI16: r = R_PPC_EMB_SDAI16; break;
- case BFD_RELOC_PPC_EMB_SDA2I16: r = R_PPC_EMB_SDA2I16; break;
- case BFD_RELOC_PPC_EMB_SDA2REL: r = R_PPC_EMB_SDA2REL; break;
- case BFD_RELOC_PPC_EMB_SDA21: r = R_PPC_EMB_SDA21; break;
- case BFD_RELOC_PPC_EMB_MRKREF: r = R_PPC_EMB_MRKREF; break;
- case BFD_RELOC_PPC_EMB_RELSEC16: r = R_PPC_EMB_RELSEC16; break;
- case BFD_RELOC_PPC_EMB_RELST_LO: r = R_PPC_EMB_RELST_LO; break;
- case BFD_RELOC_PPC_EMB_RELST_HI: r = R_PPC_EMB_RELST_HI; break;
- case BFD_RELOC_PPC_EMB_RELST_HA: r = R_PPC_EMB_RELST_HA; break;
- case BFD_RELOC_PPC_EMB_BIT_FLD: r = R_PPC_EMB_BIT_FLD; break;
- case BFD_RELOC_PPC_EMB_RELSDA: r = R_PPC_EMB_RELSDA; break;
- case BFD_RELOC_VTABLE_INHERIT: r = R_PPC_GNU_VTINHERIT; break;
- case BFD_RELOC_VTABLE_ENTRY: r = R_PPC_GNU_VTENTRY; break;
- }
-
- return ppc_elf_howto_table[r];
-};
-
-/* Set the howto pointer for a PowerPC ELF reloc. */
-
-static void
-ppc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
- arelent *cache_ptr,
- Elf_Internal_Rela *dst)
-{
- /* Initialize howto table if not already done. */
- if (!ppc_elf_howto_table[R_PPC_ADDR32])
- ppc_elf_howto_init ();
-
- BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_PPC_max);
- cache_ptr->howto = ppc_elf_howto_table[ELF32_R_TYPE (dst->r_info)];
-}
-
-/* Handle the R_PPC_ADDR16_HA reloc. */
-
-static bfd_reloc_status_type
-ppc_elf_addr16_ha_reloc (bfd *abfd ATTRIBUTE_UNUSED,
- arelent *reloc_entry,
- asymbol *symbol,
- void *data ATTRIBUTE_UNUSED,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
-{
- bfd_vma relocation;
-
- if (output_bfd != NULL)
- {
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
- }
-
- if (reloc_entry->address > input_section->_cooked_size)
- return bfd_reloc_outofrange;
-
- if (bfd_is_com_section (symbol->section))
- relocation = 0;
- else
- relocation = symbol->value;
-
- relocation += symbol->section->output_section->vma;
- relocation += symbol->section->output_offset;
- relocation += reloc_entry->addend;
-
- reloc_entry->addend += (relocation & 0x8000) << 1;
-
- return bfd_reloc_continue;
-}
-
-static bfd_reloc_status_type
-ppc_elf_unhandled_reloc (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol,
- void *data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message)
-{
- /* If this is a relocatable link (output_bfd test tells us), just
- call the generic function. Any adjustment will be done at final
- link time. */
- if (output_bfd != NULL)
- return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message);
-
- if (error_message != NULL)
- {
- static char buf[60];
- sprintf (buf, _("generic linker can't handle %s"),
- reloc_entry->howto->name);
- *error_message = buf;
- }
- return bfd_reloc_dangerous;
-}
-
-/* Fix bad default arch selected for a 32 bit input bfd when the
- default is 64 bit. */
-
-static bfd_boolean
-ppc_elf_object_p (bfd *abfd)
-{
- if (abfd->arch_info->the_default && abfd->arch_info->bits_per_word == 64)
- {
- Elf_Internal_Ehdr *i_ehdr = elf_elfheader (abfd);
-
- if (i_ehdr->e_ident[EI_CLASS] == ELFCLASS32)
- {
- /* Relies on arch after 64 bit default being 32 bit default. */
- abfd->arch_info = abfd->arch_info->next;
- BFD_ASSERT (abfd->arch_info->bits_per_word == 32);
- }
- }
- return TRUE;
-}
-
-/* Function to set whether a module needs the -mrelocatable bit set. */
-
-static bfd_boolean
-ppc_elf_set_private_flags (bfd *abfd, flagword flags)
-{
- BFD_ASSERT (!elf_flags_init (abfd)
- || elf_elfheader (abfd)->e_flags == flags);
-
- elf_elfheader (abfd)->e_flags = flags;
- elf_flags_init (abfd) = TRUE;
- return TRUE;
-}
-
-/* Merge backend specific data from an object file to the output
- object file when linking. */
-
-static bfd_boolean
-ppc_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
-{
- flagword old_flags;
- flagword new_flags;
- bfd_boolean error;
-
- /* Check if we have the same endianess. */
- if (! _bfd_generic_verify_endian_match (ibfd, obfd))
- return FALSE;
-
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
- || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
-
- 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;
- }
-
- /* Compatible flags are ok. */
- else if (new_flags == old_flags)
- ;
-
- /* Incompatible flags. */
- else
- {
- /* 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;
-}
-
-/* Handle a PowerPC specific section when reading an object file. This
- is called when elfcode.h finds a section with an unknown type. */
-
-static bfd_boolean
-ppc_elf_section_from_shdr (bfd *abfd, Elf_Internal_Shdr *hdr, const char *name)
-{
- asection *newsect;
- flagword flags;
-
- if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
- return FALSE;
-
- newsect = hdr->bfd_section;
- flags = bfd_get_section_flags (abfd, newsect);
- if (hdr->sh_flags & SHF_EXCLUDE)
- flags |= SEC_EXCLUDE;
-
- if (hdr->sh_type == SHT_ORDERED)
- flags |= SEC_SORT_ENTRIES;
-
- bfd_set_section_flags (abfd, newsect, flags);
- return TRUE;
-}
-
-/* Set up any other section flags and such that may be necessary. */
-
-static bfd_boolean
-ppc_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
- Elf_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;
-}
-
-/* Find a linker generated pointer with a given addend and type. */
-
-static elf_linker_section_pointers_t *
-elf_find_pointer_linker_section
- (elf_linker_section_pointers_t *linker_pointers,
- bfd_vma addend,
- elf_linker_section_t *lsect)
-{
- for ( ; linker_pointers != NULL; linker_pointers = linker_pointers->next)
- if (lsect == linker_pointers->lsect && addend == linker_pointers->addend)
- return linker_pointers;
-
- return NULL;
-}
-
-/* Allocate a pointer to live in a linker created section. */
-
-static bfd_boolean
-elf_create_pointer_linker_section (bfd *abfd,
- struct bfd_link_info *info,
- elf_linker_section_t *lsect,
- struct elf_link_hash_entry *h,
- const Elf_Internal_Rela *rel)
-{
- elf_linker_section_pointers_t **ptr_linker_section_ptr = NULL;
- elf_linker_section_pointers_t *linker_section_ptr;
- unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
- bfd_size_type amt;
-
- BFD_ASSERT (lsect != NULL);
-
- /* Is this a global symbol? */
- if (h != NULL)
- {
- struct ppc_elf_link_hash_entry *eh;
-
- /* Has this symbol already been allocated? If so, our work is done. */
- eh = (struct ppc_elf_link_hash_entry *) h;
- if (elf_find_pointer_linker_section (eh->linker_section_pointer,
- rel->r_addend,
- lsect))
- return TRUE;
-
- ptr_linker_section_ptr = &eh->linker_section_pointer;
- /* Make sure this symbol is output as a dynamic symbol. */
- if (h->dynindx == -1)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
-
- if (lsect->rel_section)
- lsect->rel_section->_raw_size += sizeof (Elf32_External_Rela);
- }
- else
- {
- /* Allocation of a pointer to a local symbol. */
- elf_linker_section_pointers_t **ptr = elf_local_ptr_offsets (abfd);
-
- /* Allocate a table to hold the local symbols if first time. */
- if (!ptr)
- {
- unsigned int num_symbols = elf_tdata (abfd)->symtab_hdr.sh_info;
-
- amt = num_symbols;
- amt *= sizeof (elf_linker_section_pointers_t *);
- ptr = bfd_zalloc (abfd, amt);
-
- if (!ptr)
- return FALSE;
-
- elf_local_ptr_offsets (abfd) = ptr;
- }
-
- /* Has this symbol already been allocated? If so, our work is done. */
- if (elf_find_pointer_linker_section (ptr[r_symndx],
- rel->r_addend,
- lsect))
- return TRUE;
-
- ptr_linker_section_ptr = &ptr[r_symndx];
-
- if (info->shared)
- {
- /* If we are generating a shared object, we need to
- output a R_<xxx>_RELATIVE reloc so that the
- dynamic linker can adjust this GOT entry. */
- BFD_ASSERT (lsect->rel_section != NULL);
- lsect->rel_section->_raw_size += sizeof (Elf32_External_Rela);
- }
- }
-
- /* Allocate space for a pointer in the linker section, and allocate
- a new pointer record from internal memory. */
- BFD_ASSERT (ptr_linker_section_ptr != NULL);
- amt = sizeof (elf_linker_section_pointers_t);
- linker_section_ptr = bfd_alloc (abfd, amt);
-
- if (!linker_section_ptr)
- return FALSE;
-
- linker_section_ptr->next = *ptr_linker_section_ptr;
- linker_section_ptr->addend = rel->r_addend;
- linker_section_ptr->lsect = lsect;
- linker_section_ptr->written_address_p = FALSE;
- *ptr_linker_section_ptr = linker_section_ptr;
-
- linker_section_ptr->offset = lsect->section->_raw_size;
- lsect->section->_raw_size += 4;
-
-#ifdef DEBUG
- fprintf (stderr,
- "Create pointer in linker section %s, offset = %ld, section size = %ld\n",
- lsect->name, (long) linker_section_ptr->offset,
- (long) lsect->section->_raw_size);
-#endif
-
- return TRUE;
-}
-
-#define bfd_put_ptr(BFD, VAL, ADDR) bfd_put_32 (BFD, VAL, ADDR)
-
-/* Fill in the address for a pointer generated in a linker section. */
-
-static bfd_vma
-elf_finish_pointer_linker_section (bfd *output_bfd,
- bfd *input_bfd,
- struct bfd_link_info *info,
- elf_linker_section_t *lsect,
- struct elf_link_hash_entry *h,
- bfd_vma relocation,
- const Elf_Internal_Rela *rel,
- int relative_reloc)
-{
- elf_linker_section_pointers_t *linker_section_ptr;
-
- BFD_ASSERT (lsect != NULL);
-
- if (h != NULL)
- {
- /* Handle global symbol. */
- struct ppc_elf_link_hash_entry *eh;
-
- eh = (struct ppc_elf_link_hash_entry *) h;
- linker_section_ptr
- = elf_find_pointer_linker_section (eh->linker_section_pointer,
- rel->r_addend,
- lsect);
-
- BFD_ASSERT (linker_section_ptr != NULL);
-
- if (! elf_hash_table (info)->dynamic_sections_created
- || (info->shared
- && info->symbolic
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
- {
- /* This is actually a static link, or it is a
- -Bsymbolic link and the symbol is defined
- locally. We must initialize this entry in the
- global section.
-
- When doing a dynamic link, we create a .rela.<xxx>
- relocation entry to initialize the value. This
- is done in the finish_dynamic_symbol routine. */
- if (!linker_section_ptr->written_address_p)
- {
- linker_section_ptr->written_address_p = TRUE;
- bfd_put_ptr (output_bfd,
- relocation + linker_section_ptr->addend,
- (lsect->section->contents
- + linker_section_ptr->offset));
- }
- }
- }
- else
- {
- /* Handle local symbol. */
- unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
- BFD_ASSERT (elf_local_ptr_offsets (input_bfd) != NULL);
- BFD_ASSERT (elf_local_ptr_offsets (input_bfd)[r_symndx] != NULL);
- linker_section_ptr = (elf_find_pointer_linker_section
- (elf_local_ptr_offsets (input_bfd)[r_symndx],
- rel->r_addend,
- lsect));
-
- BFD_ASSERT (linker_section_ptr != NULL);
-
- /* Write out pointer if it hasn't been rewritten out before. */
- if (!linker_section_ptr->written_address_p)
- {
- linker_section_ptr->written_address_p = TRUE;
- bfd_put_ptr (output_bfd, relocation + linker_section_ptr->addend,
- lsect->section->contents + linker_section_ptr->offset);
-
- if (info->shared)
- {
- /* We need to generate a relative reloc for the dynamic
- linker. */
-
- asection *srel = lsect->rel_section;
- Elf_Internal_Rela outrel[MAX_INT_RELS_PER_EXT_REL];
- bfd_byte *erel;
- const struct elf_backend_data *bed;
- unsigned int i;
-
- BFD_ASSERT (srel != NULL);
-
- bed = get_elf_backend_data (output_bfd);
- for (i = 0; i < bed->s->int_rels_per_ext_rel; i++)
- {
- outrel[i].r_offset = (lsect->section->output_section->vma
- + lsect->section->output_offset
- + linker_section_ptr->offset);
- outrel[i].r_info = 0;
- outrel[i].r_addend = 0;
- }
- outrel[0].r_info = ELF32_R_INFO (0, relative_reloc);
- erel = lsect->section->contents;
- erel += (elf_section_data (lsect->section)->rel_count++
- * sizeof (Elf32_External_Rela));
- bfd_elf32_swap_reloca_out (output_bfd, outrel, erel);
- }
- }
- }
-
- relocation = (lsect->section->output_offset
- + linker_section_ptr->offset
- - lsect->sym_offset);
-
-#ifdef DEBUG
- fprintf (stderr,
- "Finish pointer in linker section %s, offset = %ld (0x%lx)\n",
- lsect->name, (long) relocation, (long) relocation);
-#endif
-
- /* Subtract out the addend, because it will get added back in by the normal
- processing. */
- return relocation - linker_section_ptr->addend;
-}
-
-/* Create a special linker section */
-static elf_linker_section_t *
-ppc_elf_create_linker_section (bfd *abfd,
- struct bfd_link_info *info,
- enum elf_linker_section_enum which)
-{
- elf_linker_section_t *lsect;
- struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
- asection *s;
- bfd_size_type amt;
- flagword flags;
- const char *name;
- const char *rel_name;
- const char *sym_name;
- bfd_vma sym_offset;
-
- /* Both of these sections are (technically) created by the user
- putting data in them, so they shouldn't be marked
- SEC_LINKER_CREATED.
-
- The linker creates them so it has somewhere to attach their
- respective symbols. In fact, if they were empty it would
- be OK to leave the symbol set to 0 (or any random number), because
- the appropriate register should never be used. */
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
- sym_offset = 32768;
-
- switch (which)
- {
- default:
- abort ();
- return NULL;
-
- case LINKER_SECTION_SDATA: /* .sdata/.sbss section */
- name = ".sdata";
- rel_name = ".rela.sdata";
- sym_name = "_SDA_BASE_";
- break;
-
- case LINKER_SECTION_SDATA2: /* .sdata2/.sbss2 section */
- name = ".sdata2";
- rel_name = ".rela.sdata2";
- sym_name = "_SDA2_BASE_";
- flags |= SEC_READONLY;
- break;
- }
-
- /* Record the first bfd that needs the special sections. */
- if (!htab->elf.dynobj)
- htab->elf.dynobj = abfd;
-
- amt = sizeof (elf_linker_section_t);
- lsect = bfd_zalloc (htab->elf.dynobj, amt);
-
- lsect->sym_offset = sym_offset;
-
- /* See if the sections already exist. */
- s = bfd_get_section_by_name (htab->elf.dynobj, name);
- if (s == NULL || (s->flags & flags) != flags)
- {
- s = bfd_make_section_anyway (htab->elf.dynobj, name);
- if (s == NULL
- || !bfd_set_section_flags (htab->elf.dynobj, s, flags))
- return NULL;
- }
- lsect->section = s;
-
- if (bfd_get_section_alignment (htab->elf.dynobj, s) < 2
- && !bfd_set_section_alignment (htab->elf.dynobj, s, 2))
- return NULL;
-
- s->_raw_size = align_power (s->_raw_size, 2);
-
-#ifdef DEBUG
- fprintf (stderr, "Creating section %s, current size = %ld\n",
- name, (long) s->_raw_size);
-#endif
-
- if (sym_name)
- {
- struct elf_link_hash_entry *h;
- struct bfd_link_hash_entry *bh;
-
-#ifdef DEBUG
- fprintf (stderr, "Adding %s to section %s\n", sym_name, name);
-#endif
- bh = bfd_link_hash_lookup (info->hash, sym_name,
- FALSE, FALSE, FALSE);
-
- if ((bh == NULL || bh->type == bfd_link_hash_undefined)
- && !(_bfd_generic_link_add_one_symbol
- (info, abfd, sym_name, BSF_GLOBAL, s, sym_offset, NULL,
- FALSE, get_elf_backend_data (abfd)->collect, &bh)))
- return NULL;
- h = (struct elf_link_hash_entry *) bh;
-
- h->type = STT_OBJECT;
- lsect->sym_hash = h;
-
- if (info->shared
- && ! bfd_elf_link_record_dynamic_symbol (info, h))
- return NULL;
- }
-
- if (info->shared)
- {
- s = bfd_make_section_anyway (htab->elf.dynobj, rel_name);
- lsect->rel_section = s;
- flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
- | SEC_LINKER_CREATED | SEC_READONLY);
- if (s == NULL
- || ! bfd_set_section_flags (htab->elf.dynobj, s, flags)
- || ! bfd_set_section_alignment (htab->elf.dynobj, s, 2))
- return NULL;
- }
-
- return lsect;
-}
-
-/* If we have a non-zero sized .sbss2 or .PPC.EMB.sbss0 sections, we
- need to bump up the number of section headers. */
-
-static int
-ppc_elf_additional_program_headers (bfd *abfd)
-{
- asection *s;
- int ret;
-
- ret = 0;
-
- s = bfd_get_section_by_name (abfd, ".interp");
- if (s != NULL)
- ++ret;
-
- s = bfd_get_section_by_name (abfd, ".sbss2");
- if (s != NULL && (s->flags & SEC_LOAD) != 0 && s->_raw_size > 0)
- ++ret;
-
- s = bfd_get_section_by_name (abfd, ".PPC.EMB.sbss0");
- if (s != NULL && (s->flags & SEC_LOAD) != 0 && s->_raw_size > 0)
- ++ret;
-
- return ret;
-}
-
-/* Modify the segment map if needed. */
-
-static bfd_boolean
-ppc_elf_modify_segment_map (bfd *abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED)
-{
- return TRUE;
-}
-
-/* The powerpc .got has a blrl instruction in it. Mark it executable. */
-
-static bfd_boolean
-ppc_elf_create_got (bfd *abfd, struct bfd_link_info *info)
-{
- struct ppc_elf_link_hash_table *htab;
- asection *s;
- flagword flags;
-
- if (!_bfd_elf_create_got_section (abfd, info))
- return FALSE;
-
- htab = ppc_elf_hash_table (info);
- htab->got = s = bfd_get_section_by_name (abfd, ".got");
- if (s == NULL)
- abort ();
-
- flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS | SEC_IN_MEMORY
- | SEC_LINKER_CREATED);
- if (!bfd_set_section_flags (abfd, s, flags))
- return FALSE;
-
- htab->relgot = bfd_make_section (abfd, ".rela.got");
- if (!htab->relgot
- || ! bfd_set_section_flags (abfd, htab->relgot,
- (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY | SEC_LINKER_CREATED
- | SEC_READONLY))
- || ! bfd_set_section_alignment (abfd, htab->relgot, 2))
- return FALSE;
-
- return TRUE;
-}
-
-/* We have to create .dynsbss and .rela.sbss here so that they get mapped
- to output sections (just like _bfd_elf_create_dynamic_sections has
- to create .dynbss and .rela.bss). */
-
-static bfd_boolean
-ppc_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
-{
- struct ppc_elf_link_hash_table *htab;
- asection *s;
- flagword flags;
-
- htab = ppc_elf_hash_table (info);
-
- if (htab->got == NULL
- && !ppc_elf_create_got (abfd, info))
- return FALSE;
-
- if (!_bfd_elf_create_dynamic_sections (abfd, info))
- return FALSE;
-
- flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
- | SEC_LINKER_CREATED);
-
- htab->dynbss = bfd_get_section_by_name (abfd, ".dynbss");
- htab->dynsbss = s = bfd_make_section (abfd, ".dynsbss");
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, SEC_ALLOC))
- return FALSE;
-
- if (! info->shared)
- {
- htab->relbss = bfd_get_section_by_name (abfd, ".rela.bss");
- htab->relsbss = s = bfd_make_section (abfd, ".rela.sbss");
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
- || ! bfd_set_section_alignment (abfd, s, 2))
- return FALSE;
- }
-
- htab->relplt = bfd_get_section_by_name (abfd, ".rela.plt");
- htab->plt = s = bfd_get_section_by_name (abfd, ".plt");
- if (s == NULL)
- abort ();
-
- flags = SEC_ALLOC | SEC_CODE | SEC_IN_MEMORY | SEC_LINKER_CREATED;
- return bfd_set_section_flags (abfd, s, flags);
-}
-
-/* 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
-ppc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
- struct elf_link_hash_entry *h)
-{
- struct ppc_elf_link_hash_table *htab;
- asection *s;
- unsigned int power_of_two;
-
-#ifdef DEBUG
- fprintf (stderr, "ppc_elf_adjust_dynamic_symbol called for %s\n",
- h->root.root.string);
-#endif
-
- /* Make sure we know what is going on here. */
- htab = ppc_elf_hash_table (info);
- BFD_ASSERT (htab->elf.dynobj != NULL
- && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
- || h->weakdef != NULL
- || ((h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_REF_REGULAR) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)));
-
- /* 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 (h->plt.refcount <= 0
- || SYMBOL_CALLS_LOCAL (info, h)
- || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
- && h->root.type == bfd_link_hash_undefweak))
- {
- /* A PLT entry is not required/allowed when:
-
- 1. We are not using ld.so; because then the PLT entry
- can't be set up, so we can't use one. In this case,
- ppc_elf_adjust_dynamic_symbol won't even be called.
-
- 2. GC has rendered the entry unused.
-
- 3. We know for certain that a call to this symbol
- will go to this object, or will remain undefined. */
- h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
- }
- 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;
- if (ELIMINATE_COPY_RELOCS)
- h->elf_link_hash_flags
- = ((h->elf_link_hash_flags & ~ELF_LINK_NON_GOT_REF)
- | (h->weakdef->elf_link_hash_flags & ELF_LINK_NON_GOT_REF));
- 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;
-
- if (ELIMINATE_COPY_RELOCS)
- {
- struct ppc_elf_dyn_relocs *p;
- for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
- {
- s = p->sec->output_section;
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- break;
- }
-
- /* 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;
- }
- }
-
- /* 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.
-
- Of course, if the symbol is sufficiently small, we must instead
- allocate it in .sbss. FIXME: It would be better to do this if and
- only if there were actually SDAREL relocs for that symbol. */
-
- if (h->size <= elf_gp_size (htab->elf.dynobj))
- s = htab->dynsbss;
- else
- s = htab->dynbss;
- BFD_ASSERT (s != NULL);
-
- /* We must generate a R_PPC_COPY reloc to tell the dynamic linker to
- copy the initial value out of the dynamic object and into the
- runtime process image. We need to remember the offset into the
- .rela.bss section we are going to use. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
- {
- asection *srel;
-
- if (h->size <= elf_gp_size (htab->elf.dynobj))
- srel = htab->relsbss;
- else
- srel = htab->relbss;
- BFD_ASSERT (srel != NULL);
- srel->_raw_size += sizeof (Elf32_External_Rela);
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
- }
-
- /* We need to figure out the alignment required for this symbol. I
- have no idea how ELF linkers handle this. */
- power_of_two = bfd_log2 (h->size);
- if (power_of_two > 4)
- power_of_two = 4;
-
- /* Apply the required alignment. */
- s->_raw_size = BFD_ALIGN (s->_raw_size,
- (bfd_size_type) (1 << power_of_two));
- if (power_of_two > bfd_get_section_alignment (htab->elf.dynobj, s))
- {
- if (! bfd_set_section_alignment (htab->elf.dynobj, s, power_of_two))
- return FALSE;
- }
-
- /* Define the symbol as being at this point in the section. */
- h->root.u.def.section = s;
- h->root.u.def.value = s->_raw_size;
-
- /* Increment the section size to make room for the symbol. */
- s->_raw_size += h->size;
-
- return TRUE;
-}
-
-/* Of those relocs that might be copied as dynamic relocs, this macro
- selects those that must be copied when linking a shared library,
- even when the symbol is local. */
-
-#define MUST_BE_DYN_RELOC(RTYPE) \
- ((RTYPE) != R_PPC_REL24 \
- && (RTYPE) != R_PPC_REL14 \
- && (RTYPE) != R_PPC_REL14_BRTAKEN \
- && (RTYPE) != R_PPC_REL14_BRNTAKEN \
- && (RTYPE) != R_PPC_REL32)
-
-/* Allocate space in associated reloc sections for dynamic relocs. */
-
-static bfd_boolean
-allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
-{
- struct bfd_link_info *info = inf;
- struct ppc_elf_link_hash_entry *eh;
- struct ppc_elf_link_hash_table *htab;
- struct ppc_elf_dyn_relocs *p;
-
- if (h->root.type == bfd_link_hash_indirect)
- return TRUE;
-
- if (h->root.type == bfd_link_hash_warning)
- /* When warning symbols are created, they **replace** the "real"
- entry in the hash table, thus we never get to see the real
- symbol in a hash traversal. So look at it now. */
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
- htab = ppc_elf_hash_table (info);
- if (htab->elf.dynamic_sections_created
- && h->plt.refcount > 0)
- {
- /* Make sure this symbol is output as a dynamic symbol. */
- if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
-
- if (info->shared
- || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
- {
- asection *s = htab->plt;
-
- /* If this is the first .plt entry, make room for the special
- first entry. */
- if (s->_raw_size == 0)
- s->_raw_size += PLT_INITIAL_ENTRY_SIZE;
-
- /* The PowerPC PLT is actually composed of two parts, the
- first part is 2 words (for a load and a jump), and then
- there is a remaining word available at the end. */
- h->plt.offset = (PLT_INITIAL_ENTRY_SIZE
- + (PLT_SLOT_SIZE
- * ((s->_raw_size - PLT_INITIAL_ENTRY_SIZE)
- / PLT_ENTRY_SIZE)));
-
- /* If this symbol is not defined in a regular file, and we
- are not generating a shared library, then set the symbol
- to this location in the .plt. This is required to make
- function pointers compare as equal between the normal
- executable and the shared library. */
- if (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
- {
- h->root.u.def.section = s;
- h->root.u.def.value = h->plt.offset;
- }
-
- /* Make room for this entry. After the 8192nd entry, room
- for two entries is allocated. */
- s->_raw_size += PLT_ENTRY_SIZE;
- if ((s->_raw_size - PLT_INITIAL_ENTRY_SIZE) / PLT_ENTRY_SIZE
- > PLT_NUM_SINGLE_ENTRIES)
- s->_raw_size += PLT_ENTRY_SIZE;
-
- /* We also need to make an entry in the .rela.plt section. */
- htab->relplt->_raw_size += sizeof (Elf32_External_Rela);
- }
- else
- {
- h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
- }
- }
- else
- {
- h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
- }
-
- eh = (struct ppc_elf_link_hash_entry *) h;
- if (eh->elf.got.refcount > 0)
- {
- /* Make sure this symbol is output as a dynamic symbol. */
- if (eh->elf.dynindx == -1
- && (eh->elf.elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
- {
- if (!bfd_elf_link_record_dynamic_symbol (info, &eh->elf))
- return FALSE;
- }
-
- if (eh->tls_mask == (TLS_TLS | TLS_LD)
- && !(eh->elf.elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC))
- /* If just an LD reloc, we'll just use htab->tlsld_got.offset. */
- eh->elf.got.offset = (bfd_vma) -1;
- else
- {
- bfd_boolean dyn;
- eh->elf.got.offset = htab->got->_raw_size;
- if ((eh->tls_mask & TLS_TLS) != 0)
- {
- if ((eh->tls_mask & TLS_LD) != 0)
- htab->got->_raw_size += 8;
- if ((eh->tls_mask & TLS_GD) != 0)
- htab->got->_raw_size += 8;
- if ((eh->tls_mask & (TLS_TPREL | TLS_TPRELGD)) != 0)
- htab->got->_raw_size += 4;
- if ((eh->tls_mask & TLS_DTPREL) != 0)
- htab->got->_raw_size += 4;
- }
- else
- htab->got->_raw_size += 4;
- dyn = htab->elf.dynamic_sections_created;
- if ((info->shared
- || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, &eh->elf))
- && (ELF_ST_VISIBILITY (eh->elf.other) == STV_DEFAULT
- || eh->elf.root.type != bfd_link_hash_undefweak))
- {
- /* All the entries we allocated need relocs. */
- htab->relgot->_raw_size
- += ((htab->got->_raw_size - eh->elf.got.offset) / 4
- * sizeof (Elf32_External_Rela));
- /* Except LD only needs one. */
- if ((eh->tls_mask & TLS_LD) != 0)
- htab->relgot->_raw_size -= sizeof (Elf32_External_Rela);
- }
- }
- }
- else
- eh->elf.got.offset = (bfd_vma) -1;
-
- if (eh->dyn_relocs == NULL)
- return TRUE;
-
- /* In the shared -Bsymbolic case, discard space allocated for
- dynamic pc-relative relocs against symbols which turn out to be
- defined in regular objects. For the normal shared case, discard
- space for relocs that have become local due to symbol visibility
- changes. */
-
- if (info->shared)
- {
- /* Relocs that use pc_count are those that appear on a call insn,
- or certain REL relocs (see MUST_BE_DYN_RELOC) that can be
- generated via assembly. We want calls to protected symbols to
- resolve directly to the function rather than going via the plt.
- If people want function pointer comparisons to work as expected
- then they should avoid writing weird assembly. */
- if (SYMBOL_CALLS_LOCAL (info, h))
- {
- struct ppc_elf_dyn_relocs **pp;
-
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
- {
- p->count -= p->pc_count;
- p->pc_count = 0;
- if (p->count == 0)
- *pp = p->next;
- else
- pp = &p->next;
- }
- }
-
- /* Also discard relocs on undefined weak syms with non-default
- visibility. */
- if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
- && h->root.type == bfd_link_hash_undefweak)
- eh->dyn_relocs = NULL;
-
- /* Make sure undefined weak symbols are output as a dynamic symbol
- in PIEs. */
- if (info->pie
- && eh->dyn_relocs != NULL
- && h->dynindx == -1
- && h->root.type == bfd_link_hash_undefweak
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
- }
- else if (ELIMINATE_COPY_RELOCS)
- {
- /* For the non-shared case, discard space for relocs against
- symbols which turn out to need copy relocs or are not
- dynamic. */
-
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 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_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
-
- /* If that succeeded, we know we'll be keeping all the
- relocs. */
- if (h->dynindx != -1)
- goto keep;
- }
-
- eh->dyn_relocs = NULL;
-
- keep: ;
- }
-
- /* Finally, allocate space. */
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- asection *sreloc = elf_section_data (p->sec)->sreloc;
- sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela);
- }
-
- return TRUE;
-}
-
-/* Find any dynamic relocs that apply to read-only sections. */
-
-static bfd_boolean
-readonly_dynrelocs (struct elf_link_hash_entry *h, void *info)
-{
- struct ppc_elf_dyn_relocs *p;
-
- 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;
-
- for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
- {
- asection *s = p->sec->output_section;
-
- if (s != NULL
- && ((s->flags & (SEC_READONLY | SEC_ALLOC))
- == (SEC_READONLY | SEC_ALLOC)))
- {
- ((struct bfd_link_info *) info)->flags |= DF_TEXTREL;
-
- /* Not an error, just cut short the traversal. */
- return FALSE;
- }
- }
- return TRUE;
-}
-
-/* Set the sizes of the dynamic sections. */
-
-static bfd_boolean
-ppc_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info)
-{
- struct ppc_elf_link_hash_table *htab;
- asection *s;
- bfd_boolean relocs;
- bfd *ibfd;
-
-#ifdef DEBUG
- fprintf (stderr, "ppc_elf_size_dynamic_sections called\n");
-#endif
-
- htab = ppc_elf_hash_table (info);
- BFD_ASSERT (htab->elf.dynobj != NULL);
-
- if (elf_hash_table (info)->dynamic_sections_created)
- {
- /* Set the contents of the .interp section to the interpreter. */
- if (info->executable)
- {
- s = bfd_get_section_by_name (htab->elf.dynobj, ".interp");
- BFD_ASSERT (s != NULL);
- s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
- s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
- }
- }
-
- if (htab->tlsld_got.refcount > 0)
- {
- htab->tlsld_got.offset = htab->got->_raw_size;
- htab->got->_raw_size += 8;
- if (info->shared)
- htab->relgot->_raw_size += sizeof (Elf32_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;
- char *lgot_masks;
- bfd_size_type locsymcount;
- Elf_Internal_Shdr *symtab_hdr;
- asection *srel;
-
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
- continue;
-
- for (s = ibfd->sections; s != NULL; s = s->next)
- {
- struct ppc_elf_dyn_relocs *p;
-
- for (p = ((struct ppc_elf_dyn_relocs *)
- elf_section_data (s)->local_dynrel);
- p != NULL;
- p = p->next)
- {
- if (!bfd_is_abs_section (p->sec)
- && bfd_is_abs_section (p->sec->output_section))
- {
- /* Input section has been discarded, either because
- it is a copy of a linkonce section or due to
- linker script /DISCARD/, so we'll be discarding
- the relocs too. */
- }
- else if (p->count != 0)
- {
- elf_section_data (p->sec)->sreloc->_raw_size
- += p->count * sizeof (Elf32_External_Rela);
- if ((p->sec->output_section->flags
- & (SEC_READONLY | SEC_ALLOC))
- == (SEC_READONLY | SEC_ALLOC))
- info->flags |= DF_TEXTREL;
- }
- }
- }
-
- local_got = elf_local_got_refcounts (ibfd);
- if (!local_got)
- continue;
-
- symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
- locsymcount = symtab_hdr->sh_info;
- end_local_got = local_got + locsymcount;
- lgot_masks = (char *) end_local_got;
- s = htab->got;
- srel = htab->relgot;
- for (; local_got < end_local_got; ++local_got, ++lgot_masks)
- if (*local_got > 0)
- {
- if (*lgot_masks == (TLS_TLS | TLS_LD))
- {
- /* If just an LD reloc, we'll just use
- htab->tlsld_got.offset. */
- if (htab->tlsld_got.offset == (bfd_vma) -1)
- {
- htab->tlsld_got.offset = s->_raw_size;
- s->_raw_size += 8;
- if (info->shared)
- srel->_raw_size += sizeof (Elf32_External_Rela);
- }
- *local_got = (bfd_vma) -1;
- }
- else
- {
- *local_got = s->_raw_size;
- if ((*lgot_masks & TLS_TLS) != 0)
- {
- if ((*lgot_masks & TLS_GD) != 0)
- s->_raw_size += 8;
- if ((*lgot_masks & (TLS_TPREL | TLS_TPRELGD)) != 0)
- s->_raw_size += 4;
- if ((*lgot_masks & TLS_DTPREL) != 0)
- s->_raw_size += 4;
- }
- else
- s->_raw_size += 4;
- if (info->shared)
- srel->_raw_size += ((s->_raw_size - *local_got) / 4
- * sizeof (Elf32_External_Rela));
- }
- }
- else
- *local_got = (bfd_vma) -1;
- }
-
- /* Allocate space for global sym dynamic relocs. */
- elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info);
-
- /* We've now determined the sizes of the various dynamic sections.
- Allocate memory for them. */
- relocs = FALSE;
- for (s = htab->elf.dynobj->sections; s != NULL; s = s->next)
- {
- if ((s->flags & SEC_LINKER_CREATED) == 0)
- continue;
-
- if (s == htab->plt
- || s == htab->got
- || (htab->sdata != NULL && s == htab->sdata->section)
- || (htab->sdata2 != NULL && s == htab->sdata2->section))
- {
- /* Strip this section if we don't need it; see the
- comment below. */
- }
- else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
- {
- if (s->_raw_size == 0)
- {
- /* If we don't need this section, strip it from the
- output file. This is mostly to handle .rela.bss and
- .rela.plt. We must create both sections in
- create_dynamic_sections, because they must be created
- before the linker maps input sections to output
- sections. The linker does that before
- adjust_dynamic_symbol is called, and it is that
- function which decides whether anything needs to go
- into these sections. */
- }
- else
- {
- /* Remember whether there are any relocation sections. */
- relocs = TRUE;
-
- /* We use the reloc_count field as a counter if we need
- to copy relocs into the output file. */
- s->reloc_count = 0;
- }
- }
- else
- {
- /* It's not one of our sections, so don't allocate space. */
- continue;
- }
-
- if (s->_raw_size == 0)
- {
- _bfd_strip_section_from_output (info, s);
- continue;
- }
-
- /* Allocate memory for the section contents. */
- s->contents = bfd_zalloc (htab->elf.dynobj, s->_raw_size);
- if (s->contents == NULL)
- return FALSE;
- }
-
- if (htab->elf.dynamic_sections_created)
- {
- /* Add some entries to the .dynamic section. We fill in the
- values later, in ppc_elf_finish_dynamic_sections, but we
- must add the entries now so that we get the correct size for
- the .dynamic section. The DT_DEBUG entry is filled in by the
- dynamic linker and used by the debugger. */
-#define add_dynamic_entry(TAG, VAL) \
- _bfd_elf_add_dynamic_entry (info, TAG, VAL)
-
- if (info->executable)
- {
- if (!add_dynamic_entry (DT_DEBUG, 0))
- return FALSE;
- }
-
- if (htab->plt != NULL && htab->plt->_raw_size != 0)
- {
- if (!add_dynamic_entry (DT_PLTGOT, 0)
- || !add_dynamic_entry (DT_PLTRELSZ, 0)
- || !add_dynamic_entry (DT_PLTREL, DT_RELA)
- || !add_dynamic_entry (DT_JMPREL, 0))
- return FALSE;
- }
-
- if (relocs)
- {
- if (!add_dynamic_entry (DT_RELA, 0)
- || !add_dynamic_entry (DT_RELASZ, 0)
- || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
- 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)
- elf_link_hash_traverse (elf_hash_table (info), readonly_dynrelocs,
- info);
-
- if ((info->flags & DF_TEXTREL) != 0)
- {
- if (!add_dynamic_entry (DT_TEXTREL, 0))
- return FALSE;
- }
- }
-#undef add_dynamic_entry
-
- return TRUE;
-}
-
-static bfd_boolean
-update_local_sym_info (bfd *abfd,
- Elf_Internal_Shdr *symtab_hdr,
- unsigned long r_symndx,
- int tls_type)
-{
- bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd);
- char *local_got_tls_masks;
-
- if (local_got_refcounts == NULL)
- {
- bfd_size_type size = symtab_hdr->sh_info;
-
- size *= sizeof (*local_got_refcounts) + sizeof (*local_got_tls_masks);
- local_got_refcounts = 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;
- local_got_tls_masks = (char *) (local_got_refcounts + symtab_hdr->sh_info);
- local_got_tls_masks[r_symndx] |= tls_type;
- return TRUE;
-}
-
-static void
-bad_shared_reloc (bfd *abfd, enum elf_ppc_reloc_type r_type)
-{
- (*_bfd_error_handler)
- (_("%s: relocation %s cannot be used when making a shared object"),
- bfd_archive_filename (abfd),
- ppc_elf_howto_table[r_type]->name);
- bfd_set_error (bfd_error_bad_value);
-}
-
-/* Look through the relocs for a section during the first phase, and
- allocate space in the global offset table or procedure linkage
- table. */
-
-static bfd_boolean
-ppc_elf_check_relocs (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela *relocs)
-{
- struct ppc_elf_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- const Elf_Internal_Rela *rel;
- const Elf_Internal_Rela *rel_end;
- asection *sreloc;
-
- if (info->relocatable)
- return TRUE;
-
-#ifdef DEBUG
- fprintf (stderr, "ppc_elf_check_relocs called for section %s in %s\n",
- bfd_get_section_name (abfd, sec),
- bfd_archive_filename (abfd));
-#endif
-
- /* Initialize howto table if not already done. */
- if (!ppc_elf_howto_table[R_PPC_ADDR32])
- ppc_elf_howto_init ();
-
- /* Create the linker generated sections all the time so that the
- special symbols are created. */
- htab = ppc_elf_hash_table (info);
- if (htab->sdata == NULL)
- {
- htab->sdata = ppc_elf_create_linker_section (abfd, info,
- LINKER_SECTION_SDATA);
- if (htab->sdata == NULL)
- return FALSE;
- }
-
- if (htab->sdata2 == NULL)
- {
- htab->sdata2 = ppc_elf_create_linker_section (abfd, info,
- LINKER_SECTION_SDATA2);
- if (htab->sdata2 == NULL)
- return FALSE;
- }
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- sreloc = NULL;
-
- rel_end = relocs + sec->reloc_count;
- for (rel = relocs; rel < rel_end; rel++)
- {
- unsigned long r_symndx;
- enum elf_ppc_reloc_type r_type;
- struct elf_link_hash_entry *h;
- int tls_type = 0;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
- else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
-
- /* If a relocation refers to _GLOBAL_OFFSET_TABLE_, create the .got.
- This shows up in particular in an R_PPC_ADDR32 in the eabi
- startup code. */
- if (h && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- {
- if (htab->got == NULL)
- {
- if (htab->elf.dynobj == NULL)
- htab->elf.dynobj = abfd;
- if (!ppc_elf_create_got (htab->elf.dynobj, info))
- return FALSE;
- }
- }
-
- r_type = ELF32_R_TYPE (rel->r_info);
- switch (r_type)
- {
- case R_PPC_GOT_TLSLD16:
- case R_PPC_GOT_TLSLD16_LO:
- case R_PPC_GOT_TLSLD16_HI:
- case R_PPC_GOT_TLSLD16_HA:
- htab->tlsld_got.refcount += 1;
- tls_type = TLS_TLS | TLS_LD;
- goto dogottls;
-
- case R_PPC_GOT_TLSGD16:
- case R_PPC_GOT_TLSGD16_LO:
- case R_PPC_GOT_TLSGD16_HI:
- case R_PPC_GOT_TLSGD16_HA:
- tls_type = TLS_TLS | TLS_GD;
- goto dogottls;
-
- case R_PPC_GOT_TPREL16:
- case R_PPC_GOT_TPREL16_LO:
- case R_PPC_GOT_TPREL16_HI:
- case R_PPC_GOT_TPREL16_HA:
- if (info->shared)
- info->flags |= DF_STATIC_TLS;
- tls_type = TLS_TLS | TLS_TPREL;
- goto dogottls;
-
- case R_PPC_GOT_DTPREL16:
- case R_PPC_GOT_DTPREL16_LO:
- case R_PPC_GOT_DTPREL16_HI:
- case R_PPC_GOT_DTPREL16_HA:
- tls_type = TLS_TLS | TLS_DTPREL;
- dogottls:
- sec->has_tls_reloc = 1;
- /* Fall thru */
-
- /* GOT16 relocations */
- case R_PPC_GOT16:
- case R_PPC_GOT16_LO:
- case R_PPC_GOT16_HI:
- case R_PPC_GOT16_HA:
- /* This symbol requires a global offset table entry. */
- if (htab->got == NULL)
- {
- if (htab->elf.dynobj == NULL)
- htab->elf.dynobj = abfd;
- if (!ppc_elf_create_got (htab->elf.dynobj, info))
- return FALSE;
- }
- if (h != NULL)
- {
- h->got.refcount += 1;
- ppc_elf_hash_entry (h)->tls_mask |= tls_type;
- }
- else
- /* This is a global offset table entry for a local symbol. */
- if (!update_local_sym_info (abfd, symtab_hdr, r_symndx, tls_type))
- return FALSE;
- break;
-
- /* Indirect .sdata relocation. */
- case R_PPC_EMB_SDAI16:
- if (info->shared)
- {
- bad_shared_reloc (abfd, r_type);
- return FALSE;
- }
- if (!elf_create_pointer_linker_section (abfd, info,
- htab->sdata, h, rel))
- return FALSE;
- break;
-
- /* Indirect .sdata2 relocation. */
- case R_PPC_EMB_SDA2I16:
- if (info->shared)
- {
- bad_shared_reloc (abfd, r_type);
- return FALSE;
- }
- if (!elf_create_pointer_linker_section (abfd, info,
- htab->sdata2, h, rel))
- return FALSE;
- break;
-
- case R_PPC_SDAREL16:
- case R_PPC_EMB_SDA2REL:
- case R_PPC_EMB_SDA21:
- case R_PPC_EMB_RELSDA:
- case R_PPC_EMB_NADDR32:
- case R_PPC_EMB_NADDR16:
- case R_PPC_EMB_NADDR16_LO:
- case R_PPC_EMB_NADDR16_HI:
- case R_PPC_EMB_NADDR16_HA:
- if (info->shared)
- {
- bad_shared_reloc (abfd, r_type);
- return FALSE;
- }
- break;
-
- case R_PPC_PLT32:
- case R_PPC_PLTREL24:
- case R_PPC_PLTREL32:
- case R_PPC_PLT16_LO:
- case R_PPC_PLT16_HI:
- case R_PPC_PLT16_HA:
-#ifdef DEBUG
- fprintf (stderr, "Reloc requires a PLT entry\n");
-#endif
- /* This symbol requires a procedure linkage table entry. We
- actually build the entry in finish_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_error_handler) (_("%s(%s+0x%lx): %s reloc against "
- "local symbol"),
- bfd_archive_filename (abfd),
- sec->name,
- (long) rel->r_offset,
- ppc_elf_howto_table[r_type]->name);
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
-
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
- h->plt.refcount++;
- break;
-
- /* The following relocations don't need to propagate the
- relocation if linking a shared object since they are
- section relative. */
- case R_PPC_SECTOFF:
- case R_PPC_SECTOFF_LO:
- case R_PPC_SECTOFF_HI:
- case R_PPC_SECTOFF_HA:
- case R_PPC_DTPREL16:
- case R_PPC_DTPREL16_LO:
- case R_PPC_DTPREL16_HI:
- case R_PPC_DTPREL16_HA:
- case R_PPC_TOC16:
- break;
-
- /* This are just markers. */
- case R_PPC_TLS:
- case R_PPC_EMB_MRKREF:
- case R_PPC_NONE:
- case R_PPC_max:
- break;
-
- /* These should only appear in dynamic objects. */
- case R_PPC_COPY:
- case R_PPC_GLOB_DAT:
- case R_PPC_JMP_SLOT:
- case R_PPC_RELATIVE:
- break;
-
- /* These aren't handled yet. We'll report an error later. */
- case R_PPC_ADDR30:
- case R_PPC_EMB_RELSEC16:
- case R_PPC_EMB_RELST_LO:
- case R_PPC_EMB_RELST_HI:
- case R_PPC_EMB_RELST_HA:
- case R_PPC_EMB_BIT_FLD:
- break;
-
- /* This refers only to functions defined in the shared library. */
- case R_PPC_LOCAL24PC:
- break;
-
- /* This relocation describes the C++ object vtable hierarchy.
- Reconstruct it for later use during GC. */
- case R_PPC_GNU_VTINHERIT:
- if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return FALSE;
- break;
-
- /* This relocation describes which C++ vtable entries are actually
- used. Record for later use during GC. */
- case R_PPC_GNU_VTENTRY:
- if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return FALSE;
- break;
-
- /* We shouldn't really be seeing these. */
- case R_PPC_TPREL32:
- if (info->shared)
- info->flags |= DF_STATIC_TLS;
- goto dodyn;
-
- /* Nor these. */
- case R_PPC_DTPMOD32:
- case R_PPC_DTPREL32:
- goto dodyn;
-
- case R_PPC_TPREL16:
- case R_PPC_TPREL16_LO:
- case R_PPC_TPREL16_HI:
- case R_PPC_TPREL16_HA:
- if (info->shared)
- info->flags |= DF_STATIC_TLS;
- goto dodyn;
-
- /* When creating a shared object, we must copy these
- relocs into the output file. We create a reloc
- section in dynobj and make room for the reloc. */
- case R_PPC_REL24:
- case R_PPC_REL14:
- case R_PPC_REL14_BRTAKEN:
- case R_PPC_REL14_BRNTAKEN:
- case R_PPC_REL32:
- if (h == NULL
- || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- break;
- /* fall through */
-
- case R_PPC_ADDR32:
- case R_PPC_ADDR24:
- case R_PPC_ADDR16:
- case R_PPC_ADDR16_LO:
- case R_PPC_ADDR16_HI:
- case R_PPC_ADDR16_HA:
- case R_PPC_ADDR14:
- case R_PPC_ADDR14_BRTAKEN:
- case R_PPC_ADDR14_BRNTAKEN:
- case R_PPC_UADDR32:
- case R_PPC_UADDR16:
- if (h != NULL && !info->shared)
- {
- /* We may need a plt entry if the symbol turns out to be
- a function defined in a dynamic object. */
- h->plt.refcount++;
-
- /* We may need a copy reloc too. */
- h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
- }
-
- dodyn:
- /* 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 dyn_relocs field of the hash
- table entry. A similar situation occurs when creating
- shared libraries and symbol visibility changes render the
- symbol local.
-
- 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
- && (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))))
- || (ELIMINATE_COPY_RELOCS
- && !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_elf_dyn_relocs *p;
- struct ppc_elf_dyn_relocs **head;
-
-#ifdef DEBUG
- fprintf (stderr,
- "ppc_elf_check_relocs needs to "
- "create relocation for %s\n",
- (h && h->root.root.string
- ? h->root.root.string : "<unknown>"));
-#endif
- if (sreloc == NULL)
- {
- const char *name;
-
- name = (bfd_elf_string_from_elf_section
- (abfd,
- elf_elfheader (abfd)->e_shstrndx,
- elf_section_data (sec)->rel_hdr.sh_name));
- if (name == NULL)
- return FALSE;
-
- BFD_ASSERT (strncmp (name, ".rela", 5) == 0
- && strcmp (bfd_get_section_name (abfd, sec),
- name + 5) == 0);
-
- sreloc = bfd_get_section_by_name (htab->elf.dynobj, name);
- if (sreloc == NULL)
- {
- flagword flags;
-
- sreloc = bfd_make_section (htab->elf.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 (htab->elf.dynobj,
- sreloc, flags)
- || ! bfd_set_section_alignment (htab->elf.dynobj,
- sreloc, 2))
- return FALSE;
- }
- elf_section_data (sec)->sreloc = sreloc;
- }
-
- /* If this is a global symbol, we count the number of
- relocations we need for this symbol. */
- if (h != NULL)
- {
- head = &ppc_elf_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. */
-
- asection *s;
- s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
- sec, r_symndx);
- if (s == NULL)
- return FALSE;
-
- head = ((struct ppc_elf_dyn_relocs **)
- &elf_section_data (s)->local_dynrel);
- }
-
- p = *head;
- if (p == NULL || p->sec != sec)
- {
- p = bfd_alloc (htab->elf.dynobj, sizeof *p);
- if (p == NULL)
- return FALSE;
- p->next = *head;
- *head = p;
- p->sec = sec;
- p->count = 0;
- p->pc_count = 0;
- }
-
- p->count += 1;
- if (!MUST_BE_DYN_RELOC (r_type))
- p->pc_count += 1;
- }
-
- break;
- }
- }
-
- return TRUE;
-}
-
-/* Return the section that should be marked against GC for a given
- relocation. */
-
-static asection *
-ppc_elf_gc_mark_hook (asection *sec,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- Elf_Internal_Rela *rel,
- struct elf_link_hash_entry *h,
- Elf_Internal_Sym *sym)
-{
- if (h != NULL)
- {
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_PPC_GNU_VTINHERIT:
- case R_PPC_GNU_VTENTRY:
- break;
-
- default:
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
-
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
-
- default:
- break;
- }
- }
- }
- else
- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
-
- return NULL;
-}
-
-/* Update the got, plt and dynamic reloc reference counts for the
- section being removed. */
-
-static bfd_boolean
-ppc_elf_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela *relocs)
-{
- struct ppc_elf_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- htab = ppc_elf_hash_table (info);
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- enum elf_ppc_reloc_type r_type;
- struct elf_link_hash_entry *h = NULL;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct ppc_elf_dyn_relocs **pp, *p;
- struct ppc_elf_link_hash_entry *eh;
-
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- eh = (struct ppc_elf_link_hash_entry *) h;
-
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
- {
- /* Everything must go for SEC. */
- *pp = p->next;
- break;
- }
- }
-
- r_type = ELF32_R_TYPE (rel->r_info);
- switch (r_type)
- {
- case R_PPC_GOT_TLSLD16:
- case R_PPC_GOT_TLSLD16_LO:
- case R_PPC_GOT_TLSLD16_HI:
- case R_PPC_GOT_TLSLD16_HA:
- htab->tlsld_got.refcount -= 1;
- /* Fall thru */
-
- case R_PPC_GOT_TLSGD16:
- case R_PPC_GOT_TLSGD16_LO:
- case R_PPC_GOT_TLSGD16_HI:
- case R_PPC_GOT_TLSGD16_HA:
- case R_PPC_GOT_TPREL16:
- case R_PPC_GOT_TPREL16_LO:
- case R_PPC_GOT_TPREL16_HI:
- case R_PPC_GOT_TPREL16_HA:
- case R_PPC_GOT_DTPREL16:
- case R_PPC_GOT_DTPREL16_LO:
- case R_PPC_GOT_DTPREL16_HI:
- case R_PPC_GOT_DTPREL16_HA:
- case R_PPC_GOT16:
- case R_PPC_GOT16_LO:
- case R_PPC_GOT16_HI:
- case R_PPC_GOT16_HA:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- case R_PPC_REL24:
- case R_PPC_REL14:
- case R_PPC_REL14_BRTAKEN:
- case R_PPC_REL14_BRNTAKEN:
- case R_PPC_REL32:
- if (h == NULL
- || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- break;
- /* Fall thru */
-
- case R_PPC_ADDR32:
- case R_PPC_ADDR24:
- case R_PPC_ADDR16:
- case R_PPC_ADDR16_LO:
- case R_PPC_ADDR16_HI:
- case R_PPC_ADDR16_HA:
- case R_PPC_ADDR14:
- case R_PPC_ADDR14_BRTAKEN:
- case R_PPC_ADDR14_BRNTAKEN:
- case R_PPC_UADDR32:
- case R_PPC_UADDR16:
- case R_PPC_PLT32:
- case R_PPC_PLTREL24:
- case R_PPC_PLT16_LO:
- case R_PPC_PLT16_HI:
- case R_PPC_PLT16_HA:
- if (h != NULL)
- {
- if (h->plt.refcount > 0)
- h->plt.refcount--;
- }
- break;
-
- default:
- break;
- }
- }
- return TRUE;
-}
-
-/* Set htab->tls_get_addr and call the generic ELF tls_setup function. */
-
-asection *
-ppc_elf_tls_setup (bfd *obfd, struct bfd_link_info *info)
-{
- struct ppc_elf_link_hash_table *htab;
-
- htab = ppc_elf_hash_table (info);
- htab->tls_get_addr = elf_link_hash_lookup (&htab->elf, "__tls_get_addr",
- FALSE, FALSE, TRUE);
-
- return _bfd_elf_tls_setup (obfd, info);
-}
-
-/* Run through all the TLS relocs looking for optimization
- opportunities. */
-
-bfd_boolean
-ppc_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info)
-{
- bfd *ibfd;
- asection *sec;
- struct ppc_elf_link_hash_table *htab;
-
- if (info->relocatable || info->shared)
- return TRUE;
-
- htab = ppc_elf_hash_table (info);
- for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
- {
- Elf_Internal_Sym *locsyms = NULL;
- Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
-
- 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_elf_link_read_relocs (ibfd, sec, NULL, 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_ppc_reloc_type r_type;
- unsigned long r_symndx;
- struct elf_link_hash_entry *h = NULL;
- char *tls_mask;
- char tls_set, tls_clear;
- bfd_boolean is_local;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct elf_link_hash_entry **sym_hashes;
-
- sym_hashes = elf_sym_hashes (ibfd);
- 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;
- }
-
- is_local = FALSE;
- if (h == NULL
- || !(h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC))
- is_local = TRUE;
-
- r_type = ELF32_R_TYPE (rel->r_info);
- switch (r_type)
- {
- case R_PPC_GOT_TLSLD16:
- case R_PPC_GOT_TLSLD16_LO:
- case R_PPC_GOT_TLSLD16_HI:
- case R_PPC_GOT_TLSLD16_HA:
- /* These relocs should never be against a symbol
- defined in a shared lib. Leave them alone if
- that turns out to be the case. */
- expecting_tls_get_addr = 0;
- htab->tlsld_got.refcount -= 1;
- if (!is_local)
- continue;
-
- /* LD -> LE */
- tls_set = 0;
- tls_clear = TLS_LD;
- expecting_tls_get_addr = 1;
- break;
-
- case R_PPC_GOT_TLSGD16:
- case R_PPC_GOT_TLSGD16_LO:
- case R_PPC_GOT_TLSGD16_HI:
- case R_PPC_GOT_TLSGD16_HA:
- if (is_local)
- /* GD -> LE */
- tls_set = 0;
- else
- /* GD -> IE */
- tls_set = TLS_TLS | TLS_TPRELGD;
- tls_clear = TLS_GD;
- expecting_tls_get_addr = 1;
- break;
-
- case R_PPC_GOT_TPREL16:
- case R_PPC_GOT_TPREL16_LO:
- case R_PPC_GOT_TPREL16_HI:
- case R_PPC_GOT_TPREL16_HA:
- expecting_tls_get_addr = 0;
- if (is_local)
- {
- /* IE -> LE */
- tls_set = 0;
- tls_clear = TLS_TPREL;
- break;
- }
- else
- continue;
-
- case R_PPC_REL14:
- case R_PPC_REL14_BRTAKEN:
- case R_PPC_REL14_BRNTAKEN:
- case R_PPC_REL24:
- if (expecting_tls_get_addr
- && h != NULL
- && h == htab->tls_get_addr)
- {
- if (h->plt.refcount > 0)
- h->plt.refcount -= 1;
- }
- expecting_tls_get_addr = 0;
- continue;
-
- default:
- expecting_tls_get_addr = 0;
- continue;
- }
-
- if (h != NULL)
- {
- if (tls_set == 0)
- {
- /* We managed to get rid of a got entry. */
- if (h->got.refcount > 0)
- h->got.refcount -= 1;
- }
- tls_mask = &ppc_elf_hash_entry (h)->tls_mask;
- }
- else
- {
- Elf_Internal_Sym *sym;
- bfd_signed_vma *lgot_refs;
- char *lgot_masks;
-
- if (locsyms == NULL)
- {
- 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)
- {
- if (elf_section_data (sec)->relocs != relstart)
- free (relstart);
- return FALSE;
- }
- }
- sym = locsyms + r_symndx;
- lgot_refs = elf_local_got_refcounts (ibfd);
- if (lgot_refs == NULL)
- abort ();
- if (tls_set == 0)
- {
- /* We managed to get rid of a got entry. */
- if (lgot_refs[r_symndx] > 0)
- lgot_refs[r_symndx] -= 1;
- }
- lgot_masks = (char *) (lgot_refs + symtab_hdr->sh_info);
- tls_mask = &lgot_masks[r_symndx];
- }
-
- *tls_mask |= tls_set;
- *tls_mask &= ~tls_clear;
- }
-
- if (elf_section_data (sec)->relocs != relstart)
- free (relstart);
- }
-
- if (locsyms != NULL
- && (symtab_hdr->contents != (unsigned char *) locsyms))
- {
- if (!info->keep_memory)
- free (locsyms);
- else
- symtab_hdr->contents = (unsigned char *) locsyms;
- }
- }
- return TRUE;
-}
-
-/* Hook called by the linker routine which adds symbols from an object
- file. We use it to put .comm items in .sbss, and not .bss. */
-
-static bfd_boolean
-ppc_elf_add_symbol_hook (bfd *abfd,
- struct bfd_link_info *info,
- Elf_Internal_Sym *sym,
- const char **namep ATTRIBUTE_UNUSED,
- flagword *flagsp ATTRIBUTE_UNUSED,
- asection **secp,
- bfd_vma *valp)
-{
- if (sym->st_shndx == SHN_COMMON
- && !info->relocatable
- && sym->st_size <= elf_gp_size (abfd)
- && (info->hash->creator == abfd->xvec
- || info->hash->creator == abfd->xvec->alternative_target))
- {
- /* Common symbols less than or equal to -G nn bytes are automatically
- put into .sbss. */
- struct ppc_elf_link_hash_table *htab;
-
- htab = ppc_elf_hash_table (info);
- if (htab->sbss == NULL)
- {
- flagword flags = SEC_IS_COMMON;
-
- htab->sbss = bfd_make_section_anyway (abfd, ".sbss");
- if (htab->sbss == NULL
- || ! bfd_set_section_flags (abfd, htab->sbss, flags))
- return FALSE;
- }
-
- *secp = htab->sbss;
- *valp = sym->st_size;
- }
-
- return TRUE;
-}
-
-/* Finish up dynamic symbol handling. We set the contents of various
- dynamic sections here. */
-
-static bfd_boolean
-ppc_elf_finish_dynamic_symbol (bfd *output_bfd,
- struct bfd_link_info *info,
- struct elf_link_hash_entry *h,
- Elf_Internal_Sym *sym)
-{
- struct ppc_elf_link_hash_table *htab;
-
-#ifdef DEBUG
- fprintf (stderr, "ppc_elf_finish_dynamic_symbol called for %s",
- h->root.root.string);
-#endif
-
- htab = ppc_elf_hash_table (info);
- BFD_ASSERT (htab->elf.dynobj != NULL);
-
- if (h->plt.offset != (bfd_vma) -1)
- {
- Elf_Internal_Rela rela;
- bfd_byte *loc;
- bfd_vma reloc_index;
-
-#ifdef DEBUG
- fprintf (stderr, ", plt_offset = %d", h->plt.offset);
-#endif
-
- /* This symbol has an entry in the procedure linkage table. Set
- it up. */
-
- BFD_ASSERT (h->dynindx != -1);
- BFD_ASSERT (htab->plt != NULL && htab->relplt != NULL);
-
- /* We don't need to fill in the .plt. The ppc dynamic linker
- will fill it in. */
-
- /* Fill in the entry in the .rela.plt section. */
- rela.r_offset = (htab->plt->output_section->vma
- + htab->plt->output_offset
- + h->plt.offset);
- rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_JMP_SLOT);
- rela.r_addend = 0;
-
- reloc_index = (h->plt.offset - PLT_INITIAL_ENTRY_SIZE) / PLT_SLOT_SIZE;
- if (reloc_index > PLT_NUM_SINGLE_ENTRIES)
- reloc_index -= (reloc_index - PLT_NUM_SINGLE_ENTRIES) / 2;
- loc = (htab->relplt->contents
- + reloc_index * sizeof (Elf32_External_Rela));
- bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
-
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
- {
- /* Mark the symbol as undefined, rather than as defined in
- the .plt section. Leave the value alone. */
- sym->st_shndx = SHN_UNDEF;
- /* If the symbol is weak, we do need to clear the value.
- Otherwise, the PLT entry would provide a definition for
- the symbol even if the symbol wasn't defined anywhere,
- and so the symbol would never be NULL. */
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK)
- == 0)
- sym->st_value = 0;
- }
- }
-
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
- {
- asection *s;
- Elf_Internal_Rela rela;
- bfd_byte *loc;
-
- /* This symbols needs a copy reloc. Set it up. */
-
-#ifdef DEBUG
- fprintf (stderr, ", copy");
-#endif
-
- BFD_ASSERT (h->dynindx != -1);
-
- if (h->size <= elf_gp_size (htab->elf.dynobj))
- s = htab->relsbss;
- else
- s = htab->relbss;
- BFD_ASSERT (s != NULL);
-
- rela.r_offset = (h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset);
- rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_COPY);
- rela.r_addend = 0;
- loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
- }
-
-#ifdef DEBUG
- fprintf (stderr, "\n");
-#endif
-
- /* Mark some specially defined symbols as absolute. */
- if (strcmp (h->root.root.string, "_DYNAMIC") == 0
- || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
- || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
- sym->st_shndx = SHN_ABS;
-
- return TRUE;
-}
-
-/* Finish up the dynamic sections. */
-
-static bfd_boolean
-ppc_elf_finish_dynamic_sections (bfd *output_bfd,
- struct bfd_link_info *info)
-{
- asection *sdyn;
- struct ppc_elf_link_hash_table *htab;
-
-#ifdef DEBUG
- fprintf (stderr, "ppc_elf_finish_dynamic_sections called\n");
-#endif
-
- htab = ppc_elf_hash_table (info);
- sdyn = bfd_get_section_by_name (htab->elf.dynobj, ".dynamic");
-
- if (htab->elf.dynamic_sections_created)
- {
- Elf32_External_Dyn *dyncon, *dynconend;
-
- BFD_ASSERT (htab->plt != NULL && sdyn != NULL);
-
- dyncon = (Elf32_External_Dyn *) sdyn->contents;
- dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
- for (; dyncon < dynconend; dyncon++)
- {
- Elf_Internal_Dyn dyn;
- asection *s;
-
- bfd_elf32_swap_dyn_in (htab->elf.dynobj, dyncon, &dyn);
-
- switch (dyn.d_tag)
- {
- case DT_PLTGOT:
- s = htab->plt;
- dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
- break;
-
- case DT_PLTRELSZ:
- dyn.d_un.d_val = htab->relplt->_raw_size;
- break;
-
- case DT_JMPREL:
- s = htab->relplt;
- dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
- break;
-
- default:
- continue;
- }
-
- bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
- }
- }
-
- /* Add a blrl instruction at _GLOBAL_OFFSET_TABLE_-4 so that a function can
- easily find the address of the _GLOBAL_OFFSET_TABLE_. */
- if (htab->got)
- {
- unsigned char *contents = htab->got->contents;
- bfd_put_32 (output_bfd, 0x4e800021 /* blrl */, contents);
-
- if (sdyn == NULL)
- bfd_put_32 (output_bfd, 0, contents + 4);
- else
- bfd_put_32 (output_bfd,
- sdyn->output_section->vma + sdyn->output_offset,
- contents + 4);
-
- elf_section_data (htab->got->output_section)->this_hdr.sh_entsize = 4;
- }
-
- return TRUE;
-}
-
-/* The RELOCATE_SECTION function is called by the ELF backend linker
- to handle the relocations for a section.
-
- The relocs are always passed as Rela structures; if the section
- actually uses Rel structures, the r_addend field will always be
- zero.
-
- This function is responsible for adjust the section contents as
- necessary, and (if using Rela relocs and generating a
- relocatable output file) adjusting the reloc addend as
- necessary.
-
- This function does not have to worry about setting the reloc
- address or the reloc symbol index.
-
- LOCAL_SYMS is a pointer to the swapped in local symbols.
-
- LOCAL_SECTIONS is an array giving the section in the input file
- corresponding to the st_shndx field of each local symbol.
-
- The global hash table entry for the global symbols can be found
- via elf_sym_hashes (input_bfd).
-
- When generating relocatable output, this function must handle
- STB_LOCAL/STT_SECTION symbols specially. The output symbol is
- going to be the section symbol corresponding to the output
- section, which means that the addend must be adjusted
- accordingly. */
-
-static bfd_boolean
-ppc_elf_relocate_section (bfd *output_bfd,
- struct bfd_link_info *info,
- bfd *input_bfd,
- asection *input_section,
- bfd_byte *contents,
- Elf_Internal_Rela *relocs,
- Elf_Internal_Sym *local_syms,
- asection **local_sections)
-{
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- struct ppc_elf_link_hash_table *htab;
- Elf_Internal_Rela *rel;
- Elf_Internal_Rela *relend;
- Elf_Internal_Rela outrel;
- bfd_byte *loc;
- asection *sreloc = NULL;
- bfd_vma *local_got_offsets;
- bfd_boolean ret = TRUE;
-
-#ifdef DEBUG
- fprintf (stderr, "ppc_elf_relocate_section called for %s section %s, "
- "%ld relocations%s\n",
- bfd_archive_filename (input_bfd),
- bfd_section_name(input_bfd, input_section),
- (long) input_section->reloc_count,
- (info->relocatable) ? " (relocatable)" : "");
-#endif
-
- if (info->relocatable)
- return TRUE;
-
- /* Initialize howto table if not already done. */
- if (!ppc_elf_howto_table[R_PPC_ADDR32])
- ppc_elf_howto_init ();
-
- htab = ppc_elf_hash_table (info);
- local_got_offsets = elf_local_got_offsets (input_bfd);
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (input_bfd);
- rel = relocs;
- relend = relocs + input_section->reloc_count;
- for (; rel < relend; rel++)
- {
- enum elf_ppc_reloc_type r_type;
- bfd_vma addend;
- bfd_reloc_status_type r;
- Elf_Internal_Sym *sym;
- asection *sec;
- struct elf_link_hash_entry *h;
- const char *sym_name;
- reloc_howto_type *howto;
- unsigned long r_symndx;
- bfd_vma relocation;
- bfd_vma branch_bit, insn, from;
- bfd_boolean unresolved_reloc;
- bfd_boolean warned;
- unsigned int tls_type, tls_mask, tls_gd;
-
- r_type = ELF32_R_TYPE (rel->r_info);
- sym = NULL;
- sec = NULL;
- h = NULL;
- unresolved_reloc = FALSE;
- warned = FALSE;
- r_symndx = ELF32_R_SYM (rel->r_info);
-
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- sec = local_sections[r_symndx];
- sym_name = bfd_elf_local_sym_name (input_bfd, sym);
-
- relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
- }
- else
- {
- RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
- r_symndx, symtab_hdr, sym_hashes,
- h, sec, relocation,
- unresolved_reloc, warned);
-
- sym_name = h->root.root.string;
- }
-
- /* TLS optimizations. Replace instruction sequences and relocs
- based on information we collected in tls_optimize. We edit
- RELOCS so that --emit-relocs will output something sensible
- for the final instruction stream. */
- tls_mask = 0;
- tls_gd = 0;
- if (IS_PPC_TLS_RELOC (r_type))
- {
- if (h != NULL)
- tls_mask = ((struct ppc_elf_link_hash_entry *) h)->tls_mask;
- else if (local_got_offsets != NULL)
- {
- char *lgot_masks;
- lgot_masks = (char *) (local_got_offsets + symtab_hdr->sh_info);
- tls_mask = lgot_masks[r_symndx];
- }
- }
-
- /* Ensure reloc mapping code below stays sane. */
- if ((R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TLSGD16 & 3)
- || (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TLSGD16_LO & 3)
- || (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TLSGD16_HI & 3)
- || (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TLSGD16_HA & 3)
- || (R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TPREL16 & 3)
- || (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TPREL16_LO & 3)
- || (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TPREL16_HI & 3)
- || (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TPREL16_HA & 3))
- abort ();
- switch (r_type)
- {
- default:
- break;
-
- case R_PPC_GOT_TPREL16:
- case R_PPC_GOT_TPREL16_LO:
- if (tls_mask != 0
- && (tls_mask & TLS_TPREL) == 0)
- {
- bfd_vma insn;
- insn = bfd_get_32 (output_bfd, contents + rel->r_offset - 2);
- insn &= 31 << 21;
- insn |= 0x3c020000; /* addis 0,2,0 */
- bfd_put_32 (output_bfd, insn, contents + rel->r_offset - 2);
- r_type = R_PPC_TPREL16_HA;
- rel->r_info = ELF32_R_INFO (r_symndx, r_type);
- }
- break;
-
- case R_PPC_TLS:
- if (tls_mask != 0
- && (tls_mask & 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) | (2 << 11)))
- rtra = insn & ((1 << 26) - (1 << 16));
- else if ((insn & ((31 << 26) | (31 << 16)))
- == ((31 << 26) | (2 << 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_PPC_TPREL16_LO;
- rel->r_info = ELF32_R_INFO (r_symndx, r_type);
- /* Was PPC_TLS which sits on insn boundary, now
- PPC_TPREL16_LO which is at insn+2. */
- rel->r_offset += 2;
- }
- break;
-
- case R_PPC_GOT_TLSGD16_HI:
- case R_PPC_GOT_TLSGD16_HA:
- tls_gd = TLS_TPRELGD;
- if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
- goto tls_gdld_hi;
- break;
-
- case R_PPC_GOT_TLSLD16_HI:
- case R_PPC_GOT_TLSLD16_HA:
- if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
- {
- tls_gdld_hi:
- if ((tls_mask & tls_gd) != 0)
- r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3)
- + R_PPC_GOT_TPREL16);
- else
- {
- bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
- rel->r_offset -= 2;
- r_type = R_PPC_NONE;
- }
- rel->r_info = ELF32_R_INFO (r_symndx, r_type);
- }
- break;
-
- case R_PPC_GOT_TLSGD16:
- case R_PPC_GOT_TLSGD16_LO:
- tls_gd = TLS_TPRELGD;
- if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
- goto tls_get_addr_check;
- break;
-
- case R_PPC_GOT_TLSLD16:
- case R_PPC_GOT_TLSLD16_LO:
- if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
- {
- tls_get_addr_check:
- if (rel + 1 < relend)
- {
- enum elf_ppc_reloc_type r_type2;
- unsigned long r_symndx2;
- struct elf_link_hash_entry *h2;
- bfd_vma insn1, insn2;
- bfd_vma offset;
-
- /* The next instruction should be a call to
- __tls_get_addr. Peek at the reloc to be sure. */
- r_type2 = ELF32_R_TYPE (rel[1].r_info);
- r_symndx2 = ELF32_R_SYM (rel[1].r_info);
- if (r_symndx2 < symtab_hdr->sh_info
- || (r_type2 != R_PPC_REL14
- && r_type2 != R_PPC_REL14_BRTAKEN
- && r_type2 != R_PPC_REL14_BRNTAKEN
- && r_type2 != R_PPC_REL24
- && r_type2 != R_PPC_PLTREL24))
- break;
-
- h2 = sym_hashes[r_symndx2 - symtab_hdr->sh_info];
- while (h2->root.type == bfd_link_hash_indirect
- || h2->root.type == bfd_link_hash_warning)
- h2 = (struct elf_link_hash_entry *) h2->root.u.i.link;
- if (h2 == NULL || h2 != htab->tls_get_addr)
- break;
-
- /* OK, it checks out. Replace the call. */
- offset = rel[1].r_offset;
- insn1 = bfd_get_32 (output_bfd,
- contents + rel->r_offset - 2);
- if ((tls_mask & tls_gd) != 0)
- {
- /* IE */
- insn1 &= (1 << 26) - 1;
- insn1 |= 32 << 26; /* lwz */
- insn2 = 0x7c631214; /* add 3,3,2 */
- rel[1].r_info = ELF32_R_INFO (r_symndx2, R_PPC_NONE);
- r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3)
- + R_PPC_GOT_TPREL16);
- rel->r_info = ELF32_R_INFO (r_symndx, r_type);
- }
- else
- {
- /* LE */
- insn1 = 0x3c620000; /* addis 3,2,0 */
- insn2 = 0x38630000; /* addi 3,3,0 */
- if (tls_gd == 0)
- {
- /* Was an LD reloc. */
- r_symndx = 0;
- rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
- rel[1].r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
- }
- r_type = R_PPC_TPREL16_HA;
- rel->r_info = ELF32_R_INFO (r_symndx, r_type);
- rel[1].r_info = ELF32_R_INFO (r_symndx,
- R_PPC_TPREL16_LO);
- rel[1].r_offset += 2;
- }
- bfd_put_32 (output_bfd, insn1, contents + rel->r_offset - 2);
- bfd_put_32 (output_bfd, insn2, contents + offset);
- if (tls_gd == 0)
- {
- /* We changed the symbol on an LD reloc. Start over
- in order to get h, sym, sec etc. right. */
- rel--;
- continue;
- }
- }
- }
- break;
- }
-
- /* Handle other relocations that tweak non-addend part of insn. */
- branch_bit = 0;
- switch (r_type)
- {
- default:
- break;
-
- /* Branch taken prediction relocations. */
- case R_PPC_ADDR14_BRTAKEN:
- case R_PPC_REL14_BRTAKEN:
- branch_bit = BRANCH_PREDICT_BIT;
- /* Fall thru */
-
- /* Branch not taken prediction relocations. */
- case R_PPC_ADDR14_BRNTAKEN:
- case R_PPC_REL14_BRNTAKEN:
- insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
- insn &= ~BRANCH_PREDICT_BIT;
- insn |= branch_bit;
-
- 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 + rel->r_addend - from) < 0)
- insn ^= BRANCH_PREDICT_BIT;
-
- bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
- break;
- }
-
- addend = rel->r_addend;
- tls_type = 0;
- howto = NULL;
- if (r_type < R_PPC_max)
- howto = ppc_elf_howto_table[r_type];
- switch (r_type)
- {
- default:
- (*_bfd_error_handler)
- (_("%s: unknown relocation type %d for symbol %s"),
- bfd_archive_filename (input_bfd), (int) r_type, sym_name);
-
- bfd_set_error (bfd_error_bad_value);
- ret = FALSE;
- continue;
-
- case R_PPC_NONE:
- case R_PPC_TLS:
- case R_PPC_EMB_MRKREF:
- case R_PPC_GNU_VTINHERIT:
- case R_PPC_GNU_VTENTRY:
- continue;
-
- /* GOT16 relocations. Like an ADDR16 using the symbol's
- address in the GOT as relocation value instead of the
- symbol's value itself. Also, create a GOT entry for the
- symbol and put the symbol value there. */
- case R_PPC_GOT_TLSGD16:
- case R_PPC_GOT_TLSGD16_LO:
- case R_PPC_GOT_TLSGD16_HI:
- case R_PPC_GOT_TLSGD16_HA:
- tls_type = TLS_TLS | TLS_GD;
- goto dogot;
-
- case R_PPC_GOT_TLSLD16:
- case R_PPC_GOT_TLSLD16_LO:
- case R_PPC_GOT_TLSLD16_HI:
- case R_PPC_GOT_TLSLD16_HA:
- tls_type = TLS_TLS | TLS_LD;
- goto dogot;
-
- case R_PPC_GOT_TPREL16:
- case R_PPC_GOT_TPREL16_LO:
- case R_PPC_GOT_TPREL16_HI:
- case R_PPC_GOT_TPREL16_HA:
- tls_type = TLS_TLS | TLS_TPREL;
- goto dogot;
-
- case R_PPC_GOT_DTPREL16:
- case R_PPC_GOT_DTPREL16_LO:
- case R_PPC_GOT_DTPREL16_HI:
- case R_PPC_GOT_DTPREL16_HA:
- tls_type = TLS_TLS | TLS_DTPREL;
- goto dogot;
-
- case R_PPC_GOT16:
- case R_PPC_GOT16_LO:
- case R_PPC_GOT16_HI:
- case R_PPC_GOT16_HA:
- dogot:
- {
- /* Relocation is to the entry for this symbol in the global
- offset table. */
- bfd_vma off;
- bfd_vma *offp;
- unsigned long indx;
-
- if (htab->got == NULL)
- abort ();
-
- indx = 0;
- if (tls_type == (TLS_TLS | TLS_LD)
- && (h == NULL
- || !(h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC)))
- offp = &htab->tlsld_got.offset;
- else if (h != NULL)
- {
- bfd_boolean dyn;
- dyn = htab->elf.dynamic_sections_created;
- if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
- || (info->shared
- && SYMBOL_REFERENCES_LOCAL (info, h)))
- /* 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
- {
- indx = h->dynindx;
- unresolved_reloc = FALSE;
- }
- offp = &h->got.offset;
- }
- else
- {
- if (local_got_offsets == NULL)
- abort ();
- offp = &local_got_offsets[r_symndx];
- }
-
- /* The offset must always be a multiple of 4. We use the
- least significant bit to record whether we have already
- processed this entry. */
- off = *offp;
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- unsigned int tls_m = (tls_mask
- & (TLS_LD | TLS_GD | TLS_DTPREL
- | TLS_TPREL | TLS_TPRELGD));
-
- if (offp == &htab->tlsld_got.offset)
- tls_m = TLS_LD;
- else if (h == NULL
- || !(h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC))
- tls_m &= ~TLS_LD;
-
- /* We might have multiple got entries for this sym.
- Initialize them all. */
- do
- {
- int tls_ty = 0;
-
- if ((tls_m & TLS_LD) != 0)
- {
- tls_ty = TLS_TLS | TLS_LD;
- tls_m &= ~TLS_LD;
- }
- else if ((tls_m & TLS_GD) != 0)
- {
- tls_ty = TLS_TLS | TLS_GD;
- tls_m &= ~TLS_GD;
- }
- else if ((tls_m & TLS_DTPREL) != 0)
- {
- tls_ty = TLS_TLS | TLS_DTPREL;
- tls_m &= ~TLS_DTPREL;
- }
- else if ((tls_m & (TLS_TPREL | TLS_TPRELGD)) != 0)
- {
- tls_ty = TLS_TLS | TLS_TPREL;
- tls_m = 0;
- }
-
- /* Generate relocs for the dynamic linker. */
- if ((info->shared || indx != 0)
- && (h == NULL
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
- || h->root.type != bfd_link_hash_undefweak))
- {
- outrel.r_offset = (htab->got->output_section->vma
- + htab->got->output_offset
- + off);
- outrel.r_addend = 0;
- if (tls_ty & (TLS_LD | TLS_GD))
- {
- outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPMOD32);
- if (tls_ty == (TLS_TLS | TLS_GD))
- {
- loc = htab->relgot->contents;
- loc += (htab->relgot->reloc_count++
- * sizeof (Elf32_External_Rela));
- bfd_elf32_swap_reloca_out (output_bfd,
- &outrel, loc);
- outrel.r_offset += 4;
- outrel.r_info
- = ELF32_R_INFO (indx, R_PPC_DTPREL32);
- }
- }
- else if (tls_ty == (TLS_TLS | TLS_DTPREL))
- outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPREL32);
- else if (tls_ty == (TLS_TLS | TLS_TPREL))
- outrel.r_info = ELF32_R_INFO (indx, R_PPC_TPREL32);
- else if (indx == 0)
- outrel.r_info = ELF32_R_INFO (indx, R_PPC_RELATIVE);
- else
- outrel.r_info = ELF32_R_INFO (indx, R_PPC_GLOB_DAT);
- if (indx == 0)
- {
- outrel.r_addend += relocation;
- if (tls_ty & (TLS_GD | TLS_DTPREL | TLS_TPREL))
- outrel.r_addend -= htab->elf.tls_sec->vma;
- }
- loc = htab->relgot->contents;
- loc += (htab->relgot->reloc_count++
- * sizeof (Elf32_External_Rela));
- bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
- }
-
- /* Init the .got section contents if we're not
- emitting a reloc. */
- else
- {
- bfd_vma value = relocation;
-
- if (tls_ty == (TLS_TLS | TLS_LD))
- value = 1;
- else if (tls_ty != 0)
- {
- value -= htab->elf.tls_sec->vma + DTP_OFFSET;
- if (tls_ty == (TLS_TLS | TLS_TPREL))
- value += DTP_OFFSET - TP_OFFSET;
-
- if (tls_ty == (TLS_TLS | TLS_GD))
- {
- bfd_put_32 (output_bfd, value,
- htab->got->contents + off + 4);
- value = 1;
- }
- }
- bfd_put_32 (output_bfd, value,
- htab->got->contents + off);
- }
-
- off += 4;
- if (tls_ty & (TLS_LD | TLS_GD))
- off += 4;
- }
- while (tls_m != 0);
-
- off = *offp;
- *offp = off | 1;
- }
-
- if (off >= (bfd_vma) -2)
- abort ();
-
- if ((tls_type & TLS_TLS) != 0)
- {
- if (tls_type != (TLS_TLS | TLS_LD))
- {
- if ((tls_mask & TLS_LD) != 0
- && !(h == NULL
- || !(h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC)))
- off += 8;
- if (tls_type != (TLS_TLS | TLS_GD))
- {
- if ((tls_mask & TLS_GD) != 0)
- off += 8;
- if (tls_type != (TLS_TLS | TLS_DTPREL))
- {
- if ((tls_mask & TLS_DTPREL) != 0)
- off += 4;
- }
- }
- }
- }
-
- relocation = htab->got->output_offset + off - 4;
-
- /* Addends on got relocations don't make much sense.
- x+off@got is actually x@got+off, and since the got is
- generated by a hash table traversal, the value in the
- got at entry m+n bears little relation to the entry m. */
- if (addend != 0)
- (*_bfd_error_handler)
- (_("%s(%s+0x%lx): non-zero addend on %s reloc against `%s'"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
- (long) rel->r_offset,
- howto->name,
- sym_name);
- }
- break;
-
- /* Relocations that need no special processing. */
- case R_PPC_LOCAL24PC:
- /* It makes no sense to point a local relocation
- at a symbol not in this object. */
- if (unresolved_reloc)
- {
- if (! (*info->callbacks->undefined_symbol) (info,
- h->root.root.string,
- input_bfd,
- input_section,
- rel->r_offset,
- TRUE))
- return FALSE;
- continue;
- }
- break;
-
- case R_PPC_DTPREL16:
- case R_PPC_DTPREL16_LO:
- case R_PPC_DTPREL16_HI:
- case R_PPC_DTPREL16_HA:
- addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
- break;
-
- /* Relocations that may need to be propagated if this is a shared
- object. */
- case R_PPC_TPREL16:
- case R_PPC_TPREL16_LO:
- case R_PPC_TPREL16_HI:
- case R_PPC_TPREL16_HA:
- addend -= htab->elf.tls_sec->vma + TP_OFFSET;
- /* 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;
-
- case R_PPC_TPREL32:
- addend -= htab->elf.tls_sec->vma + TP_OFFSET;
- goto dodyn;
-
- case R_PPC_DTPREL32:
- addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
- goto dodyn;
-
- case R_PPC_DTPMOD32:
- relocation = 1;
- addend = 0;
- goto dodyn;
-
- case R_PPC_REL24:
- case R_PPC_REL32:
- case R_PPC_REL14:
- case R_PPC_REL14_BRTAKEN:
- case R_PPC_REL14_BRNTAKEN:
- /* If these relocations are not to a named symbol, they can be
- handled right here, no need to bother the dynamic linker. */
- if (SYMBOL_REFERENCES_LOCAL (info, h)
- || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- break;
- /* fall through */
-
- /* Relocations that always need to be propagated if this is a shared
- object. */
- case R_PPC_ADDR32:
- case R_PPC_ADDR24:
- case R_PPC_ADDR16:
- case R_PPC_ADDR16_LO:
- case R_PPC_ADDR16_HI:
- case R_PPC_ADDR16_HA:
- case R_PPC_ADDR14:
- case R_PPC_ADDR14_BRTAKEN:
- case R_PPC_ADDR14_BRNTAKEN:
- case R_PPC_UADDR32:
- case R_PPC_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. */
-
- if ((info->shared
- && (h == NULL
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
- || h->root.type != bfd_link_hash_undefweak)
- && (MUST_BE_DYN_RELOC (r_type)
- || !SYMBOL_CALLS_LOCAL (info, h)))
- || (ELIMINATE_COPY_RELOCS
- && !info->shared
- && (input_section->flags & SEC_ALLOC) != 0
- && h != NULL
- && h->dynindx != -1
- && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0))
- {
- int skip;
-
-#ifdef DEBUG
- fprintf (stderr, "ppc_elf_relocate_section needs to "
- "create relocation for %s\n",
- (h && h->root.root.string
- ? h->root.root.string : "<unknown>"));
-#endif
-
- /* When generating a shared object, these relocations
- are copied into the output file to be resolved at run
- time. */
- if (sreloc == NULL)
- {
- const char *name;
-
- name = (bfd_elf_string_from_elf_section
- (input_bfd,
- elf_elfheader (input_bfd)->e_shstrndx,
- elf_section_data (input_section)->rel_hdr.sh_name));
- if (name == NULL)
- return FALSE;
-
- BFD_ASSERT (strncmp (name, ".rela", 5) == 0
- && strcmp (bfd_get_section_name (input_bfd,
- input_section),
- name + 5) == 0);
-
- sreloc = bfd_get_section_by_name (htab->elf.dynobj, name);
- BFD_ASSERT (sreloc != NULL);
- }
-
- skip = 0;
-
- outrel.r_offset =
- _bfd_elf_section_offset (output_bfd, info, input_section,
- rel->r_offset);
- if (outrel.r_offset == (bfd_vma) -1
- || outrel.r_offset == (bfd_vma) -2)
- skip = (int) outrel.r_offset;
- outrel.r_offset += (input_section->output_section->vma
- + input_section->output_offset);
-
- if (skip)
- memset (&outrel, 0, sizeof outrel);
- else if (!SYMBOL_REFERENCES_LOCAL (info, h))
- {
- unresolved_reloc = FALSE;
- outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
- outrel.r_addend = rel->r_addend;
- }
- else
- {
- outrel.r_addend = relocation + rel->r_addend;
-
- if (r_type == R_PPC_ADDR32)
- outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
- else
- {
- long indx;
-
- if (bfd_is_abs_section (sec))
- indx = 0;
- else if (sec == NULL || sec->owner == NULL)
- {
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
- else
- {
- asection *osec;
-
- /* We are turning this relocation into one
- against a section symbol. It would be
- proper to subtract the symbol's value,
- osec->vma, from the emitted reloc addend,
- but ld.so expects buggy relocs. */
- osec = sec->output_section;
- indx = elf_section_data (osec)->dynindx;
- BFD_ASSERT (indx > 0);
-#ifdef DEBUG
- if (indx <= 0)
- printf ("indx=%d section=%s flags=%08x name=%s\n",
- indx, osec->name, osec->flags,
- h->root.root.string);
-#endif
- }
-
- outrel.r_info = ELF32_R_INFO (indx, r_type);
- }
- }
-
- loc = sreloc->contents;
- loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
-
- if (skip == -1)
- continue;
-
- /* This reloc will be computed at runtime. We clear the memory
- so that it contains predictable value. */
- if (! skip
- && ((input_section->flags & SEC_ALLOC) != 0
- || ELF32_R_TYPE (outrel.r_info) != R_PPC_RELATIVE))
- {
- relocation = howto->pc_relative ? outrel.r_offset : 0;
- addend = 0;
- break;
- }
- }
- break;
-
- case R_PPC_RELAX32PC:
- relocation -= (input_section->output_section->vma
- + input_section->output_offset
- + rel->r_offset - 4);
- /* Fall thru */
- case R_PPC_RELAX32:
- {
- unsigned long t0;
- unsigned long t1;
-
- t0 = bfd_get_32 (output_bfd, contents + rel->r_offset);
- t1 = bfd_get_32 (output_bfd, contents + rel->r_offset + 4);
-
- /* We're clearing the bits for R_PPC_ADDR16_HA
- and R_PPC_ADDR16_LO here. */
- t0 &= ~0xffff;
- t1 &= ~0xffff;
-
- /* t0 is HA, t1 is LO */
- relocation += addend;
- t0 |= ((relocation + 0x8000) >> 16) & 0xffff;
- t1 |= relocation & 0xffff;
-
- bfd_put_32 (output_bfd, t0, contents + rel->r_offset);
- bfd_put_32 (output_bfd, t1, contents + rel->r_offset + 4);
- }
- continue;
-
- /* Indirect .sdata relocation. */
- case R_PPC_EMB_SDAI16:
- BFD_ASSERT (htab->sdata != NULL);
- relocation
- = elf_finish_pointer_linker_section (output_bfd, input_bfd, info,
- htab->sdata, h, relocation,
- rel, R_PPC_RELATIVE);
- break;
-
- /* Indirect .sdata2 relocation. */
- case R_PPC_EMB_SDA2I16:
- BFD_ASSERT (htab->sdata2 != NULL);
- relocation
- = elf_finish_pointer_linker_section (output_bfd, input_bfd, info,
- htab->sdata2, h, relocation,
- rel, R_PPC_RELATIVE);
- break;
-
- /* Handle the TOC16 reloc. We want to use the offset within the .got
- section, not the actual VMA. This is appropriate when generating
- an embedded ELF object, for which the .got section acts like the
- AIX .toc section. */
- case R_PPC_TOC16: /* phony GOT16 relocations */
- BFD_ASSERT (sec != NULL);
- BFD_ASSERT (bfd_is_und_section (sec)
- || strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
- || strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0)
-
- addend -= sec->output_section->vma + sec->output_offset + 0x8000;
- break;
-
- case R_PPC_PLTREL24:
- /* Relocation is to the entry for this symbol in the
- procedure linkage table. */
- BFD_ASSERT (h != NULL);
-
- if (h->plt.offset == (bfd_vma) -1
- || htab->plt == NULL)
- {
- /* We didn't make a PLT entry for this symbol. This
- happens when statically linking PIC code, or when
- using -Bsymbolic. */
- break;
- }
-
- unresolved_reloc = FALSE;
- relocation = (htab->plt->output_section->vma
- + htab->plt->output_offset
- + h->plt.offset);
- break;
-
- /* Relocate against _SDA_BASE_. */
- case R_PPC_SDAREL16:
- {
- const char *name;
- const struct elf_link_hash_entry *sh;
-
- BFD_ASSERT (sec != NULL);
- name = bfd_get_section_name (abfd, sec->output_section);
- if (! ((strncmp (name, ".sdata", 6) == 0
- && (name[6] == 0 || name[6] == '.'))
- || (strncmp (name, ".sbss", 5) == 0
- && (name[5] == 0 || name[5] == '.'))))
- {
- (*_bfd_error_handler)
- (_("%s: the target (%s) of a %s relocation is "
- "in the wrong output section (%s)"),
- bfd_archive_filename (input_bfd),
- sym_name,
- howto->name,
- name);
- }
- sh = htab->sdata->sym_hash;
- addend -= (sh->root.u.def.value
- + sh->root.u.def.section->output_section->vma
- + sh->root.u.def.section->output_offset);
- }
- break;
-
- /* Relocate against _SDA2_BASE_. */
- case R_PPC_EMB_SDA2REL:
- {
- const char *name;
- const struct elf_link_hash_entry *sh;
-
- BFD_ASSERT (sec != NULL);
- name = bfd_get_section_name (abfd, sec->output_section);
- if (! (strncmp (name, ".sdata2", 7) == 0
- || strncmp (name, ".sbss2", 6) == 0))
- {
- (*_bfd_error_handler)
- (_("%s: the target (%s) of a %s relocation is "
- "in the wrong output section (%s)"),
- bfd_archive_filename (input_bfd),
- sym_name,
- howto->name,
- name);
-
- bfd_set_error (bfd_error_bad_value);
- ret = FALSE;
- continue;
- }
- sh = htab->sdata2->sym_hash;
- addend -= (sh->root.u.def.value
- + sh->root.u.def.section->output_section->vma
- + sh->root.u.def.section->output_offset);
- }
- break;
-
- /* Relocate against either _SDA_BASE_, _SDA2_BASE_, or 0. */
- case R_PPC_EMB_SDA21:
- case R_PPC_EMB_RELSDA:
- {
- const char *name;
- const struct elf_link_hash_entry *sh;
- int reg;
-
- BFD_ASSERT (sec != NULL);
- name = bfd_get_section_name (abfd, sec->output_section);
- if (((strncmp (name, ".sdata", 6) == 0
- && (name[6] == 0 || name[6] == '.'))
- || (strncmp (name, ".sbss", 5) == 0
- && (name[5] == 0 || name[5] == '.'))))
- {
- reg = 13;
- sh = htab->sdata->sym_hash;
- addend -= (sh->root.u.def.value
- + sh->root.u.def.section->output_section->vma
- + sh->root.u.def.section->output_offset);
- }
-
- else if (strncmp (name, ".sdata2", 7) == 0
- || strncmp (name, ".sbss2", 6) == 0)
- {
- reg = 2;
- sh = htab->sdata2->sym_hash;
- addend -= (sh->root.u.def.value
- + sh->root.u.def.section->output_section->vma
- + sh->root.u.def.section->output_offset);
- }
-
- else if (strcmp (name, ".PPC.EMB.sdata0") == 0
- || strcmp (name, ".PPC.EMB.sbss0") == 0)
- {
- reg = 0;
- }
-
- else
- {
- (*_bfd_error_handler)
- (_("%s: the target (%s) of a %s relocation is "
- "in the wrong output section (%s)"),
- bfd_archive_filename (input_bfd),
- sym_name,
- howto->name,
- name);
-
- bfd_set_error (bfd_error_bad_value);
- ret = FALSE;
- continue;
- }
-
- if (r_type == R_PPC_EMB_SDA21)
- { /* fill in register field */
- insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
- insn = (insn & ~RA_REGISTER_MASK) | (reg << RA_REGISTER_SHIFT);
- bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
- }
- }
- break;
-
- /* Relocate against the beginning of the section. */
- case R_PPC_SECTOFF:
- case R_PPC_SECTOFF_LO:
- case R_PPC_SECTOFF_HI:
- case R_PPC_SECTOFF_HA:
- BFD_ASSERT (sec != NULL);
- addend -= sec->output_section->vma;
- break;
-
- /* Negative relocations. */
- case R_PPC_EMB_NADDR32:
- case R_PPC_EMB_NADDR16:
- case R_PPC_EMB_NADDR16_LO:
- case R_PPC_EMB_NADDR16_HI:
- case R_PPC_EMB_NADDR16_HA:
- addend -= 2 * relocation;
- break;
-
- case R_PPC_COPY:
- case R_PPC_GLOB_DAT:
- case R_PPC_JMP_SLOT:
- case R_PPC_RELATIVE:
- case R_PPC_PLT32:
- case R_PPC_PLTREL32:
- case R_PPC_PLT16_LO:
- case R_PPC_PLT16_HI:
- case R_PPC_PLT16_HA:
- case R_PPC_ADDR30:
- case R_PPC_EMB_RELSEC16:
- case R_PPC_EMB_RELST_LO:
- case R_PPC_EMB_RELST_HI:
- case R_PPC_EMB_RELST_HA:
- case R_PPC_EMB_BIT_FLD:
- (*_bfd_error_handler)
- (_("%s: relocation %s is not yet supported for symbol %s."),
- bfd_archive_filename (input_bfd),
- howto->name,
- sym_name);
-
- bfd_set_error (bfd_error_invalid_operation);
- ret = FALSE;
- continue;
- }
-
- /* Do any further special processing. */
- switch (r_type)
- {
- default:
- break;
-
- case R_PPC_ADDR16_HA:
- case R_PPC_GOT16_HA:
- case R_PPC_PLT16_HA:
- case R_PPC_SECTOFF_HA:
- case R_PPC_TPREL16_HA:
- case R_PPC_DTPREL16_HA:
- case R_PPC_GOT_TLSGD16_HA:
- case R_PPC_GOT_TLSLD16_HA:
- case R_PPC_GOT_TPREL16_HA:
- case R_PPC_GOT_DTPREL16_HA:
- case R_PPC_EMB_NADDR16_HA:
- case R_PPC_EMB_RELST_HA:
- /* It's just possible that this symbol is a weak symbol
- that's not actually defined anywhere. In that case,
- 'sec' would be NULL, and we should leave the symbol
- alone (it will be set to zero elsewhere in the link). */
- if (sec != NULL)
- /* Add 0x10000 if sign bit in 0:15 is set.
- Bits 0:15 are not used. */
- addend += 0x8000;
- break;
- }
-
-#ifdef DEBUG
- fprintf (stderr, "\ttype = %s (%d), name = %s, symbol index = %ld, "
- "offset = %ld, addend = %ld\n",
- howto->name,
- (int) r_type,
- sym_name,
- r_symndx,
- (long) rel->r_offset,
- (long) addend);
-#endif
-
- if (unresolved_reloc
- && !((input_section->flags & SEC_DEBUGGING) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
- {
- (*_bfd_error_handler)
- (_("%s(%s+0x%lx): unresolvable %s relocation against symbol `%s'"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
- (long) rel->r_offset,
- howto->name,
- sym_name);
- ret = FALSE;
- }
-
- r = _bfd_final_link_relocate (howto,
- input_bfd,
- input_section,
- contents,
- rel->r_offset,
- relocation,
- addend);
-
- if (r != bfd_reloc_ok)
- {
- if (sym_name == NULL)
- sym_name = "(null)";
- if (r == bfd_reloc_overflow)
- {
- if (warned)
- continue;
- if (h != NULL
- && h->root.type == bfd_link_hash_undefweak
- && howto->pc_relative)
- {
- /* Assume this is a call protected by other code that
- detect the symbol is undefined. If this is the case,
- we can safely ignore the overflow. If not, the
- program is hosed anyway, and a little warning isn't
- going to help. */
-
- continue;
- }
-
- if (! (*info->callbacks->reloc_overflow) (info,
- sym_name,
- howto->name,
- rel->r_addend,
- input_bfd,
- input_section,
- rel->r_offset))
- return FALSE;
- }
- else
- {
- (*_bfd_error_handler)
- (_("%s(%s+0x%lx): %s reloc against `%s': error %d"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
- (long) rel->r_offset, howto->name, sym_name, (int) r);
- ret = FALSE;
- }
- }
- }
-
-#ifdef DEBUG
- fprintf (stderr, "\n");
-#endif
-
- return ret;
-}
-
-static enum elf_reloc_type_class
-ppc_elf_reloc_type_class (const Elf_Internal_Rela *rela)
-{
- switch (ELF32_R_TYPE (rela->r_info))
- {
- case R_PPC_RELATIVE:
- return reloc_class_relative;
- case R_PPC_REL24:
- case R_PPC_ADDR24:
- case R_PPC_JMP_SLOT:
- return reloc_class_plt;
- case R_PPC_COPY:
- return reloc_class_copy;
- default:
- return reloc_class_normal;
- }
-}
-
-/* Support for core dump NOTE sections. */
-
-static bfd_boolean
-ppc_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
-{
- int offset;
- unsigned int raw_size;
-
- switch (note->descsz)
- {
- default:
- return FALSE;
-
- case 268: /* Linux/PPC. */
- /* pr_cursig */
- elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
-
- /* pr_pid */
- elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
-
- /* pr_reg */
- offset = 72;
- raw_size = 192;
-
- break;
- }
-
- /* Make a ".reg/999" section. */
- return _bfd_elfcore_make_pseudosection (abfd, ".reg",
- raw_size, note->descpos + offset);
-}
-
-static bfd_boolean
-ppc_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
-{
- switch (note->descsz)
- {
- default:
- return FALSE;
-
- case 128: /* Linux/PPC elf_prpsinfo. */
- elf_tdata (abfd)->core_program
- = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
- elf_tdata (abfd)->core_command
- = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
- }
-
- /* Note that for some reason, a spurious space is tacked
- onto the end of the args in some (at least one anyway)
- implementations, so strip it off if it exists. */
-
- {
- char *command = elf_tdata (abfd)->core_command;
- int n = strlen (command);
-
- if (0 < n && command[n - 1] == ' ')
- command[n - 1] = '\0';
- }
-
- return TRUE;
-}
-
-/* Very simple linked list structure for recording apuinfo values. */
-typedef struct apuinfo_list
-{
- struct apuinfo_list *next;
- unsigned long value;
-}
-apuinfo_list;
-
-static apuinfo_list *head;
-
-
-static void
-apuinfo_list_init (void)
-{
- head = NULL;
-}
-
-static void
-apuinfo_list_add (unsigned long value)
-{
- apuinfo_list *entry = head;
-
- while (entry != NULL)
- {
- if (entry->value == value)
- return;
- entry = entry->next;
- }
-
- entry = bfd_malloc (sizeof (* entry));
- if (entry == NULL)
- return;
-
- entry->value = value;
- entry->next = head;
- head = entry;
-}
-
-static unsigned
-apuinfo_list_length (void)
-{
- apuinfo_list *entry;
- unsigned long count;
-
- for (entry = head, count = 0;
- entry;
- entry = entry->next)
- ++ count;
-
- return count;
-}
-
-static inline unsigned long
-apuinfo_list_element (unsigned long number)
-{
- apuinfo_list * entry;
-
- for (entry = head;
- entry && number --;
- entry = entry->next)
- ;
-
- return entry ? entry->value : 0;
-}
-
-static void
-apuinfo_list_finish (void)
-{
- apuinfo_list *entry;
-
- for (entry = head; entry;)
- {
- apuinfo_list *next = entry->next;
- free (entry);
- entry = next;
- }
-
- head = NULL;
-}
-
-#define APUINFO_SECTION_NAME ".PPC.EMB.apuinfo"
-#define APUINFO_LABEL "APUinfo"
-
-/* Scan the input BFDs and create a linked list of
- the APUinfo values that will need to be emitted. */
-
-static void
-ppc_elf_begin_write_processing (bfd *abfd, struct bfd_link_info *link_info)
-{
- bfd *ibfd;
- asection *asec;
- char *buffer;
- unsigned num_input_sections;
- bfd_size_type output_section_size;
- unsigned i;
- unsigned num_entries;
- unsigned long offset;
- unsigned long length;
- const char *error_message = NULL;
-
- if (link_info == NULL)
- return;
-
- /* Scan the input bfds, looking for apuinfo sections. */
- num_input_sections = 0;
- output_section_size = 0;
-
- for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
- {
- asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
- if (asec)
- {
- ++ num_input_sections;
- output_section_size += asec->_raw_size;
- }
- }
-
- /* We need at least one input sections
- in order to make merging worthwhile. */
- if (num_input_sections < 1)
- return;
-
- /* Just make sure that the output section exists as well. */
- asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
- if (asec == NULL)
- return;
-
- /* Allocate a buffer for the contents of the input sections. */
- buffer = bfd_malloc (output_section_size);
- if (buffer == NULL)
- return;
-
- offset = 0;
- apuinfo_list_init ();
-
- /* Read in the input sections contents. */
- for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
- {
- unsigned long datum;
- char *ptr;
-
- asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
- if (asec == NULL)
- continue;
-
- length = asec->_raw_size;
- if (length < 24)
- {
- error_message = _("corrupt or empty %s section in %s");
- goto fail;
- }
-
- if (bfd_seek (ibfd, asec->filepos, SEEK_SET) != 0
- || (bfd_bread (buffer + offset, length, ibfd) != length))
- {
- error_message = _("unable to read in %s section from %s");
- goto fail;
- }
-
- /* Process the contents of the section. */
- ptr = buffer + offset;
- error_message = _("corrupt %s section in %s");
-
- /* Verify the contents of the header. Note - we have to
- extract the values this way in order to allow for a
- host whose endian-ness is different from the target. */
- datum = bfd_get_32 (ibfd, ptr);
- if (datum != sizeof APUINFO_LABEL)
- goto fail;
-
- datum = bfd_get_32 (ibfd, ptr + 8);
- if (datum != 0x2)
- goto fail;
-
- if (strcmp (ptr + 12, APUINFO_LABEL) != 0)
- goto fail;
-
- /* Get the number of bytes used for apuinfo entries. */
- datum = bfd_get_32 (ibfd, ptr + 4);
- if (datum + 20 != length)
- goto fail;
-
- /* Make sure that we do not run off the end of the section. */
- if (offset + length > output_section_size)
- goto fail;
-
- /* Scan the apuinfo section, building a list of apuinfo numbers. */
- for (i = 0; i < datum; i += 4)
- apuinfo_list_add (bfd_get_32 (ibfd, ptr + 20 + i));
-
- /* Update the offset. */
- offset += length;
- }
-
- error_message = NULL;
-
- /* Compute the size of the output section. */
- num_entries = apuinfo_list_length ();
- output_section_size = 20 + num_entries * 4;
-
- asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
-
- if (! bfd_set_section_size (abfd, asec, output_section_size))
- ibfd = abfd,
- error_message = _("warning: unable to set size of %s section in %s");
-
- fail:
- free (buffer);
-
- if (error_message)
- (*_bfd_error_handler) (error_message, APUINFO_SECTION_NAME,
- bfd_archive_filename (ibfd));
-}
-
-
-/* Prevent the output section from accumulating the input sections'
- contents. We have already stored this in our linked list structure. */
-
-static bfd_boolean
-ppc_elf_write_section (bfd *abfd ATTRIBUTE_UNUSED,
- asection *asec,
- bfd_byte *contents ATTRIBUTE_UNUSED)
-{
- return (apuinfo_list_length ()
- && strcmp (asec->name, APUINFO_SECTION_NAME) == 0);
-}
-
-
-/* Finally we can generate the output section. */
-
-static void
-ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
-{
- bfd_byte *buffer;
- asection *asec;
- unsigned i;
- unsigned num_entries;
- bfd_size_type length;
-
- asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
- if (asec == NULL)
- return;
-
- if (apuinfo_list_length () == 0)
- return;
-
- length = asec->_raw_size;
- if (length < 20)
- return;
-
- buffer = bfd_malloc (length);
- if (buffer == NULL)
- {
- (*_bfd_error_handler)
- (_("failed to allocate space for new APUinfo section."));
- return;
- }
-
- /* Create the apuinfo header. */
- num_entries = apuinfo_list_length ();
- bfd_put_32 (abfd, sizeof APUINFO_LABEL, buffer);
- bfd_put_32 (abfd, num_entries * 4, buffer + 4);
- bfd_put_32 (abfd, 0x2, buffer + 8);
- strcpy (buffer + 12, APUINFO_LABEL);
-
- length = 20;
- for (i = 0; i < num_entries; i++)
- {
- bfd_put_32 (abfd, apuinfo_list_element (i), buffer + length);
- length += 4;
- }
-
- if (length != asec->_raw_size)
- (*_bfd_error_handler) (_("failed to compute new APUinfo section."));
-
- if (! bfd_set_section_contents (abfd, asec, buffer, (file_ptr) 0, length))
- (*_bfd_error_handler) (_("failed to install new APUinfo section."));
-
- free (buffer);
-
- apuinfo_list_finish ();
-}
-
-/* Add extra PPC sections -- Note, for now, make .sbss2 and
- .PPC.EMB.sbss0 a normal section, and not a bss section so
- that the linker doesn't crater when trying to make more than
- 2 sections. */
-
-static struct bfd_elf_special_section const ppc_elf_special_sections[]=
-{
- { ".tags", 5, 0, SHT_ORDERED, SHF_ALLOC },
- { ".sdata", 6, -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
- { ".sbss", 5, -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
- { ".sdata2", 7, -2, SHT_PROGBITS, SHF_ALLOC },
- { ".sbss2", 6, -2, SHT_PROGBITS, SHF_ALLOC },
- { ".PPC.EMB.apuinfo", 16, 0, SHT_NOTE, 0 },
- { ".PPC.EMB.sdata0", 15, 0, SHT_PROGBITS, SHF_ALLOC },
- { ".PPC.EMB.sbss0", 14, 0, SHT_PROGBITS, SHF_ALLOC },
- { ".plt", 4, 0, SHT_NOBITS, SHF_ALLOC + SHF_EXECINSTR },
- { NULL, 0, 0, 0, 0 }
-};
-
-#define TARGET_LITTLE_SYM bfd_elf32_powerpcle_vec
-#define TARGET_LITTLE_NAME "elf32-powerpcle"
-#define TARGET_BIG_SYM bfd_elf32_powerpc_vec
-#define TARGET_BIG_NAME "elf32-powerpc"
-#define ELF_ARCH bfd_arch_powerpc
-#define ELF_MACHINE_CODE EM_PPC
-#ifdef __QNXTARGET__
-#define ELF_MAXPAGESIZE 0x1000
-#else
-#define ELF_MAXPAGESIZE 0x10000
-#endif
-#define elf_info_to_howto ppc_elf_info_to_howto
-
-#ifdef EM_CYGNUS_POWERPC
-#define ELF_MACHINE_ALT1 EM_CYGNUS_POWERPC
-#endif
-
-#ifdef EM_PPC_OLD
-#define ELF_MACHINE_ALT2 EM_PPC_OLD
-#endif
-
-#define elf_backend_plt_not_loaded 1
-#define elf_backend_got_symbol_offset 4
-#define elf_backend_can_gc_sections 1
-#define elf_backend_can_refcount 1
-#define elf_backend_got_header_size 12
-#define elf_backend_rela_normal 1
-
-#define bfd_elf32_mkobject ppc_elf_mkobject
-#define bfd_elf32_bfd_merge_private_bfd_data ppc_elf_merge_private_bfd_data
-#define bfd_elf32_bfd_relax_section ppc_elf_relax_section
-#define bfd_elf32_bfd_reloc_type_lookup ppc_elf_reloc_type_lookup
-#define bfd_elf32_bfd_set_private_flags ppc_elf_set_private_flags
-#define bfd_elf32_bfd_link_hash_table_create ppc_elf_link_hash_table_create
-
-#define elf_backend_object_p ppc_elf_object_p
-#define elf_backend_gc_mark_hook ppc_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook ppc_elf_gc_sweep_hook
-#define elf_backend_section_from_shdr ppc_elf_section_from_shdr
-#define elf_backend_relocate_section ppc_elf_relocate_section
-#define elf_backend_create_dynamic_sections ppc_elf_create_dynamic_sections
-#define elf_backend_check_relocs ppc_elf_check_relocs
-#define elf_backend_copy_indirect_symbol ppc_elf_copy_indirect_symbol
-#define elf_backend_adjust_dynamic_symbol ppc_elf_adjust_dynamic_symbol
-#define elf_backend_add_symbol_hook ppc_elf_add_symbol_hook
-#define elf_backend_size_dynamic_sections ppc_elf_size_dynamic_sections
-#define elf_backend_finish_dynamic_symbol ppc_elf_finish_dynamic_symbol
-#define elf_backend_finish_dynamic_sections ppc_elf_finish_dynamic_sections
-#define elf_backend_fake_sections ppc_elf_fake_sections
-#define elf_backend_additional_program_headers ppc_elf_additional_program_headers
-#define elf_backend_modify_segment_map ppc_elf_modify_segment_map
-#define elf_backend_grok_prstatus ppc_elf_grok_prstatus
-#define elf_backend_grok_psinfo ppc_elf_grok_psinfo
-#define elf_backend_reloc_type_class ppc_elf_reloc_type_class
-#define elf_backend_begin_write_processing ppc_elf_begin_write_processing
-#define elf_backend_final_write_processing ppc_elf_final_write_processing
-#define elf_backend_write_section ppc_elf_write_section
-#define elf_backend_special_sections ppc_elf_special_sections
-
-#include "elf32-target.h"
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