/* SPARC-specific support for 64-bit ELF
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003 Free Software Foundation, Inc.
+ 2003, 2004 Free Software Foundation, Inc.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 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.
+ 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. */
+ 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. */
#include "bfd.h"
#include "sysdep.h"
static int sparc64_elf_get_symbol_type
PARAMS (( Elf_Internal_Sym *, int));
static bfd_boolean sparc64_elf_add_symbol_hook
- PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *,
+ PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Sym *,
const char **, flagword *, asection **, bfd_vma *));
static bfd_boolean sparc64_elf_output_arch_syms
PARAMS ((bfd *, struct bfd_link_info *, PTR,
- bfd_boolean (*) (PTR, const char *, Elf_Internal_Sym *, asection *)));
+ bfd_boolean (*) (PTR, const char *, Elf_Internal_Sym *,
+ asection *, struct elf_link_hash_entry *)));
static void sparc64_elf_symbol_processing
PARAMS ((bfd *, asymbol *));
PARAMS ((bfd *, asection *, Elf_Internal_Shdr *, asymbol **, bfd_boolean));
static bfd_boolean sparc64_elf_slurp_reloc_table
PARAMS ((bfd *, asection *, asymbol **, bfd_boolean));
+static long sparc64_elf_canonicalize_reloc
+ PARAMS ((bfd *, asection *, arelent **, asymbol **));
static long sparc64_elf_canonicalize_dynamic_reloc
PARAMS ((bfd *, arelent **, asymbol **));
static void sparc64_elf_write_relocs PARAMS ((bfd *, asection *, PTR));
HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
- HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE)
+ HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
+ HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
+ HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
+ HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
+ HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
+ HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
+ HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
+ HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
+ HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
+ HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
+ HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
+ HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
+ HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
+ HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
+ HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
+ HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
+ HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
+ HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
+ HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
+ HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
+ HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
+ HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
+ HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
+ HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
+ HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE)
};
struct elf_reloc_map {
{ BFD_RELOC_SPARC_5, R_SPARC_5 },
{ BFD_RELOC_SPARC_6, R_SPARC_6 },
{ BFD_RELOC_SPARC_DISP64, R_SPARC_DISP64 },
+ { BFD_RELOC_SPARC_TLS_GD_HI22, R_SPARC_TLS_GD_HI22 },
+ { BFD_RELOC_SPARC_TLS_GD_LO10, R_SPARC_TLS_GD_LO10 },
+ { BFD_RELOC_SPARC_TLS_GD_ADD, R_SPARC_TLS_GD_ADD },
+ { BFD_RELOC_SPARC_TLS_GD_CALL, R_SPARC_TLS_GD_CALL },
+ { BFD_RELOC_SPARC_TLS_LDM_HI22, R_SPARC_TLS_LDM_HI22 },
+ { BFD_RELOC_SPARC_TLS_LDM_LO10, R_SPARC_TLS_LDM_LO10 },
+ { BFD_RELOC_SPARC_TLS_LDM_ADD, R_SPARC_TLS_LDM_ADD },
+ { BFD_RELOC_SPARC_TLS_LDM_CALL, R_SPARC_TLS_LDM_CALL },
+ { BFD_RELOC_SPARC_TLS_LDO_HIX22, R_SPARC_TLS_LDO_HIX22 },
+ { BFD_RELOC_SPARC_TLS_LDO_LOX10, R_SPARC_TLS_LDO_LOX10 },
+ { BFD_RELOC_SPARC_TLS_LDO_ADD, R_SPARC_TLS_LDO_ADD },
+ { BFD_RELOC_SPARC_TLS_IE_HI22, R_SPARC_TLS_IE_HI22 },
+ { BFD_RELOC_SPARC_TLS_IE_LO10, R_SPARC_TLS_IE_LO10 },
+ { BFD_RELOC_SPARC_TLS_IE_LD, R_SPARC_TLS_IE_LD },
+ { BFD_RELOC_SPARC_TLS_IE_LDX, R_SPARC_TLS_IE_LDX },
+ { BFD_RELOC_SPARC_TLS_IE_ADD, R_SPARC_TLS_IE_ADD },
+ { BFD_RELOC_SPARC_TLS_LE_HIX22, R_SPARC_TLS_LE_HIX22 },
+ { BFD_RELOC_SPARC_TLS_LE_LOX10, R_SPARC_TLS_LE_LOX10 },
+ { BFD_RELOC_SPARC_TLS_DTPMOD32, R_SPARC_TLS_DTPMOD32 },
+ { BFD_RELOC_SPARC_TLS_DTPMOD64, R_SPARC_TLS_DTPMOD64 },
+ { BFD_RELOC_SPARC_TLS_DTPOFF32, R_SPARC_TLS_DTPOFF32 },
+ { BFD_RELOC_SPARC_TLS_DTPOFF64, R_SPARC_TLS_DTPOFF64 },
+ { BFD_RELOC_SPARC_TLS_TPOFF32, R_SPARC_TLS_TPOFF32 },
+ { BFD_RELOC_SPARC_TLS_TPOFF64, R_SPARC_TLS_TPOFF64 },
#ifndef SPARC64_OLD_RELOCS
{ BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 },
#endif
cache_ptr->howto = &sparc64_elf_howto_table[ELF64_R_TYPE_ID (dst->r_info)];
}
\f
+struct sparc64_elf_section_data
+{
+ struct bfd_elf_section_data elf;
+ unsigned int do_relax, reloc_count;
+};
+
+#define sec_do_relax(sec) \
+ ((struct sparc64_elf_section_data *) elf_section_data (sec))->do_relax
+#define canon_reloc_count(sec) \
+ ((struct sparc64_elf_section_data *) elf_section_data (sec))->reloc_count
+
/* Due to the way how we handle R_SPARC_OLO10, each entry in a SHT_RELA
section can represent up to two relocs, we must tell the user to allocate
more space. */
native_relocs = (bfd_byte *) allocated;
- relents = asect->relocation + asect->reloc_count;
+ relents = asect->relocation + canon_reloc_count (asect);
entsize = rel_hdr->sh_entsize;
BFD_ASSERT (entsize == sizeof (Elf64_External_Rela));
relent->howto = &sparc64_elf_howto_table[ELF64_R_TYPE_ID (rela.r_info)];
}
- asect->reloc_count += relent - relents;
+ canon_reloc_count (asect) += relent - relents;
if (allocated != NULL)
free (allocated);
case because relocations against this section may use the
dynamic symbol table, and in that case bfd_section_from_shdr
in elf.c does not update the RELOC_COUNT. */
- if (asect->_raw_size == 0)
+ if (asect->size == 0)
return TRUE;
rel_hdr = &d->this_hdr;
if (asect->relocation == NULL)
return FALSE;
- /* The sparc64_elf_slurp_one_reloc_table routine increments reloc_count. */
- asect->reloc_count = 0;
+ /* The sparc64_elf_slurp_one_reloc_table routine increments
+ canon_reloc_count. */
+ canon_reloc_count (asect) = 0;
if (!sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols,
dynamic))
return TRUE;
}
+/* Canonicalize the relocs. */
+
+static long
+sparc64_elf_canonicalize_reloc (abfd, section, relptr, symbols)
+ bfd *abfd;
+ sec_ptr section;
+ arelent **relptr;
+ asymbol **symbols;
+{
+ arelent *tblptr;
+ unsigned int i;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+
+ if (! bed->s->slurp_reloc_table (abfd, section, symbols, FALSE))
+ return -1;
+
+ tblptr = section->relocation;
+ for (i = 0; i < canon_reloc_count (section); i++)
+ *relptr++ = tblptr++;
+
+ *relptr = NULL;
+
+ return canon_reloc_count (section);
+}
+
+
/* Canonicalize the dynamic relocation entries. Note that we return
the dynamic relocations as a single block, although they are
actually associated with particular sections; the interface, which
if (! sparc64_elf_slurp_reloc_table (abfd, s, syms, TRUE))
return -1;
- count = s->reloc_count;
+ count = canon_reloc_count (s);
p = s->relocation;
for (i = 0; i < count; i++)
*storage++ = p++;
if (output_bfd != NULL)
return bfd_reloc_continue;
- if (reloc_entry->address > input_section->_cooked_size)
+ if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
return bfd_reloc_outofrange;
relocation = (symbol->value
asection *srelgot;
asection *sreloc;
- if (info->relocateable || !(sec->flags & SEC_ALLOC))
+ if (info->relocatable || !(sec->flags & SEC_ALLOC))
return TRUE;
dynobj = elf_hash_table (info)->dynobj;
/* We have already allocated space in the .got. */
break;
}
- h->got.offset = sgot->_raw_size;
+ h->got.offset = sgot->size;
/* Make sure this symbol is output as a dynamic symbol. */
if (h->dynindx == -1)
{
- if (! bfd_elf64_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
- srelgot->_raw_size += sizeof (Elf64_External_Rela);
+ srelgot->size += sizeof (Elf64_External_Rela);
}
else
{
/* We have already allocated space in the .got. */
break;
}
- local_got_offsets[r_symndx] = sgot->_raw_size;
+ local_got_offsets[r_symndx] = sgot->size;
if (info->shared)
{
/* If we are generating a shared object, we need to
output a R_SPARC_RELATIVE reloc so that the
dynamic linker can adjust this GOT entry. */
- srelgot->_raw_size += sizeof (Elf64_External_Rela);
+ srelgot->size += sizeof (Elf64_External_Rela);
}
}
- sgot->_raw_size += 8;
+ sgot->size += 8;
#if 0
/* Doesn't work for 64-bit -fPIC, since sethi/or builds
/* If the .got section is more than 0x1000 bytes, we add
0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
bit relocations have a greater chance of working. */
- if (sgot->_raw_size >= 0x1000
+ if (sgot->size >= 0x1000
&& elf_hash_table (info)->hgot->root.u.def.value == 0)
elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
#endif
/* Make sure this symbol is output as a dynamic symbol. */
if (h->dynindx == -1)
{
- if (! bfd_elf64_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
info->flags |= DF_TEXTREL;
}
- sreloc->_raw_size += sizeof (Elf64_External_Rela);
+ sreloc->size += sizeof (Elf64_External_Rela);
}
break;
sparc64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
bfd *abfd;
struct bfd_link_info *info;
- const Elf_Internal_Sym *sym;
+ Elf_Internal_Sym *sym;
const char **namep;
flagword *flagsp ATTRIBUTE_UNUSED;
asection **secp ATTRIBUTE_UNUSED;
return TRUE;
}
-/* This function takes care of emiting STT_REGISTER symbols
+/* This function takes care of emitting STT_REGISTER symbols
which we cannot easily keep in the symbol hash table. */
static bfd_boolean
struct bfd_link_info *info;
PTR finfo;
bfd_boolean (*func)
- PARAMS ((PTR, const char *, Elf_Internal_Sym *, asection *));
+ PARAMS ((PTR, const char *, Elf_Internal_Sym *, asection *,
+ struct elf_link_hash_entry *));
{
int reg;
struct sparc64_elf_app_reg *app_regs =
sym.st_shndx = app_regs [reg].shndx;
if (! (*func) (finfo, app_regs [reg].name, &sym,
sym.st_shndx == SHN_ABS
- ? bfd_abs_section_ptr : bfd_und_section_ptr))
+ ? bfd_abs_section_ptr : bfd_und_section_ptr,
+ NULL))
return FALSE;
}
BFD_ASSERT (s != NULL);
/* The first four bit in .plt is reserved. */
- if (s->_raw_size == 0)
- s->_raw_size = PLT_HEADER_SIZE;
+ if (s->size == 0)
+ s->size = PLT_HEADER_SIZE;
/* To simplify matters later, just store the plt index here. */
- h->plt.offset = s->_raw_size / PLT_ENTRY_SIZE;
+ h->plt.offset = s->size / PLT_ENTRY_SIZE;
/* If this symbol is not defined in a regular file, and we are
not generating a shared library, then set the symbol to this
}
/* Make room for this entry. */
- s->_raw_size += PLT_ENTRY_SIZE;
+ s->size += PLT_ENTRY_SIZE;
/* We also need to make an entry in the .rela.plt section. */
s = bfd_get_section_by_name (dynobj, ".rela.plt");
BFD_ASSERT (s != NULL);
- s->_raw_size += sizeof (Elf64_External_Rela);
+ s->size += sizeof (Elf64_External_Rela);
/* The procedure linkage table size is bounded by the magnitude
of the offset we can describe in the entry. */
- if (s->_raw_size >= (bfd_vma)1 << 32)
+ if (s->size >= (bfd_vma)1 << 32)
{
bfd_set_error (bfd_error_bad_value);
return FALSE;
srel = bfd_get_section_by_name (dynobj, ".rela.bss");
BFD_ASSERT (srel != NULL);
- srel->_raw_size += sizeof (Elf64_External_Rela);
+ srel->size += sizeof (Elf64_External_Rela);
h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
}
power_of_two = 4;
/* Apply the required alignment. */
- s->_raw_size = BFD_ALIGN (s->_raw_size,
- (bfd_size_type) (1 << power_of_two));
+ s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
if (power_of_two > bfd_get_section_alignment (dynobj, s))
{
if (! bfd_set_section_alignment (dynobj, s, power_of_two))
/* 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;
+ h->root.u.def.value = s->size;
/* Increment the section size to make room for the symbol. */
- s->_raw_size += h->size;
+ s->size += h->size;
return TRUE;
}
if (elf_hash_table (info)->dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
- if (! info->shared)
+ if (info->executable)
{
s = bfd_get_section_by_name (dynobj, ".interp");
BFD_ASSERT (s != NULL);
- s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
}
}
below. */
s = bfd_get_section_by_name (dynobj, ".rela.got");
if (s != NULL)
- s->_raw_size = 0;
+ s->size = 0;
}
/* The check_relocs and adjust_dynamic_symbol entry points have
if (strncmp (name, ".rela", 5) == 0)
{
- if (s->_raw_size == 0)
+ if (s->size == 0)
{
/* If we don't need this section, strip it from the
output file. This is to handle .rela.bss and
/* Allocate memory for the section contents. Zero the memory
for the benefit of .rela.plt, which has 4 unused entries
at the beginning, and we don't want garbage. */
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
- if (s->contents == NULL && s->_raw_size != 0)
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
+ if (s->contents == NULL && s->size != 0)
return FALSE;
}
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_elf64_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
int reg;
struct sparc64_elf_app_reg * app_regs;
struct elf_strtab_hash *dynstr;
struct elf_link_hash_table *eht = elf_hash_table (info);
- if (!info->shared)
+ if (info->executable)
{
if (!add_dynamic_entry (DT_DEBUG, 0))
return FALSE;
return TRUE;
}
\f
-struct sparc64_elf_section_data
-{
- struct bfd_elf_section_data elf;
- unsigned int do_relax;
-};
-
-#define sec_do_relax(sec) \
- ((struct sparc64_elf_section_data *) (sec)->used_by_bfd)->do_relax
-
static bfd_boolean
sparc64_elf_new_section_hook (abfd, sec)
bfd *abfd;
return TRUE;
}
\f
-/* This is the condition under which finish_dynamic_symbol will be called
- from elflink.h. If elflink.h doesn't call our finish_dynamic_symbol
- routine, we'll need to do something about initializing any .plt and
- .got entries in relocate_section. */
-#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \
- ((DYN) \
- && ((INFO)->shared \
- || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \
- && ((H)->dynindx != -1 \
- || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
-
/* Relocate a SPARC64 ELF section. */
static bfd_boolean
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
- if (info->relocateable)
+ if (info->relocatable)
return TRUE;
dynobj = elf_hash_table (info)->dynobj;
got_base = elf_hash_table (info)->hgot->root.u.def.value;
sgot = splt = sreloc = NULL;
+ if (dynobj != NULL)
+ splt = bfd_get_section_by_name (dynobj, ".plt");
rel = relocs;
relend = relocs + NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr);
{
sym = local_syms + r_symndx;
sec = local_sections[r_symndx];
- relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
}
else
{
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ bfd_boolean warned;
- relocation = 0;
- if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned);
+ if (warned)
{
- sec = h->root.u.def.section;
- if (sec->output_section == NULL)
- /* Set a flag that will be cleared later if we find a
- relocation value for this symbol. output_section
- is typically NULL for symbols satisfied by a shared
- library. */
- unresolved_reloc = TRUE;
- else
- relocation = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
- }
- else if (h->root.type == bfd_link_hash_undefweak)
- ;
- else if (info->shared
- && (!info->symbolic || info->allow_shlib_undefined)
- && !info->no_undefined
- && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
- ;
- else
- {
- if (! ((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd,
- input_section, rel->r_offset,
- (!info->shared || info->no_undefined
- || ELF_ST_VISIBILITY (h->other)))))
- return FALSE;
-
/* To avoid generating warning messages about truncated
relocations, set the relocation's address to be the same as
the start of this section. */
-
if (input_section->output_section != NULL)
relocation = input_section->output_section->vma;
else
break;
}
+ /* FIXME: Dynamic reloc handling really needs to be rewritten. */
+ if (!skip
+ && h != NULL
+ && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ && h->root.type == bfd_link_hash_undefweak)
+ skip = TRUE, relocate = TRUE;
+
if (skip)
memset (&outrel, 0, sizeof outrel);
/* h->dynindx may be -1 if the symbol was marked to
if (is_plt)
sec = splt;
- else if (h == NULL)
- sec = local_sections[r_symndx];
- else
- {
- BFD_ASSERT (h->root.type == bfd_link_hash_defined
- || (h->root.type
- == bfd_link_hash_defweak));
- sec = h->root.u.def.section;
- }
- if (sec != NULL && bfd_is_abs_section (sec))
+
+ if (bfd_is_abs_section (sec))
indx = 0;
else if (sec == NULL || sec->owner == NULL)
{
BFD_ASSERT (off != (bfd_vma) -1);
dyn = elf_hash_table (info)->dynamic_sections_created;
- if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
|| (info->shared
&& (info->symbolic
|| h->dynindx == -1
procedure linkage table. */
BFD_ASSERT (h != NULL);
- if (h->plt.offset == (bfd_vma) -1)
+ if (h->plt.offset == (bfd_vma) -1 || splt == NULL)
{
/* We didn't make a PLT entry for this symbol. This
happens when statically linking PIC code, or when
goto do_default;
}
- if (splt == NULL)
- {
- splt = bfd_get_section_by_name (dynobj, ".plt");
- BFD_ASSERT (splt != NULL);
- }
-
relocation = (splt->output_section->vma
+ splt->output_offset
+ sparc64_elf_plt_entry_offset (h->plt.offset));
case R_SPARC_WDISP30:
do_wplt30:
if (sec_do_relax (input_section)
- && rel->r_offset + 4 < input_section->_raw_size)
+ && rel->r_offset + 4 < input_section->size)
{
#define G0 0
#define O7 15
}
}
}
- /* FALLTHROUGH */
+ /* Fall through. */
default:
do_default:
overflows. We don't, but this breaks stabs debugging
info, whose relocations are only 32-bits wide. Ignore
overflows for discarded entries. */
- if (r_type == R_SPARC_32
+ if ((r_type == R_SPARC_32 || r_type == R_SPARC_DISP32)
&& _bfd_elf_section_offset (output_bfd, info, input_section,
rel->r_offset) == (bfd_vma) -1)
break;
}
else
{
- bfd_vma max = splt->_raw_size / PLT_ENTRY_SIZE;
+ bfd_vma max = splt->size / PLT_ENTRY_SIZE;
rela.r_offset = sparc64_elf_plt_ptr_offset (h->plt.offset, max);
rela.r_addend = -(sparc64_elf_plt_entry_offset (h->plt.offset) + 4)
-(splt->output_section->vma + splt->output_offset);
bfd_byte *loc;
/* This symbols needs a copy reloc. Set it up. */
-
BFD_ASSERT (h->dynindx != -1);
s = bfd_get_section_by_name (h->root.u.def.section->owner,
BFD_ASSERT (splt != NULL && sdyn != NULL);
dyncon = (Elf64_External_Dyn *) sdyn->contents;
- dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
for (; dyncon < dynconend; dyncon++)
{
Elf_Internal_Dyn dyn;
if (! size)
dyn.d_un.d_ptr = s->vma;
else
- {
- if (s->_cooked_size != 0)
- dyn.d_un.d_val = s->_cooked_size;
- else
- dyn.d_un.d_val = s->_raw_size;
- }
+ dyn.d_un.d_val = s->size;
}
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
}
}
/* Initialize the contents of the .plt section. */
- if (splt->_raw_size > 0)
- {
- sparc64_elf_build_plt (output_bfd, splt->contents,
- (int) (splt->_raw_size / PLT_ENTRY_SIZE));
- }
+ if (splt->size > 0)
+ sparc64_elf_build_plt (output_bfd, splt->contents,
+ (int) (splt->size / PLT_ENTRY_SIZE));
elf_section_data (splt->output_section)->this_hdr.sh_entsize =
PLT_ENTRY_SIZE;
the dynamic section. */
sgot = bfd_get_section_by_name (dynobj, ".got");
BFD_ASSERT (sgot != NULL);
- if (sgot->_raw_size > 0)
+ if (sgot->size > 0)
{
if (sdyn == NULL)
bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents);
return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
}
+/* Return address for Ith PLT stub in section PLT, for relocation REL
+ or (bfd_vma) -1 if it should not be included. */
+
+static bfd_vma
+sparc64_elf_plt_sym_val (bfd_vma i, const asection *plt,
+ const arelent *rel ATTRIBUTE_UNUSED)
+{
+ bfd_vma j;
+
+ i += PLT_HEADER_SIZE / PLT_ENTRY_SIZE;
+ if (i < LARGE_PLT_THRESHOLD)
+ return plt->vma + i * PLT_ENTRY_SIZE;
+
+ j = (i - LARGE_PLT_THRESHOLD) % 160;
+ i -= j;
+ return plt->vma + i * PLT_ENTRY_SIZE + j * 4 * 6;
+}
+
/* Relocations in the 64 bit SPARC ELF ABI are more complex than in
standard ELF, because R_SPARC_OLO10 has secondary addend in
ELF64_R_TYPE_DATA field. This structure is used to redirect the
sizeof (Elf64_External_Sym),
sizeof (Elf64_External_Dyn),
sizeof (Elf_External_Note),
- 4, /* hash-table entry size */
- /* internal relocations per external relocations.
+ 4, /* hash-table entry size. */
+ /* Internal relocations per external relocations.
For link purposes we use just 1 internal per
1 external, for assembly and slurp symbol table
we use 2. */
1,
- 64, /* arch_size */
- 8, /* file_align */
+ 64, /* arch_size. */
+ 3, /* log_file_align. */
ELFCLASS64,
EV_CURRENT,
bfd_elf64_write_out_phdrs,
sparc64_elf_get_reloc_upper_bound
#define bfd_elf64_get_dynamic_reloc_upper_bound \
sparc64_elf_get_dynamic_reloc_upper_bound
+#define bfd_elf64_canonicalize_reloc \
+ sparc64_elf_canonicalize_reloc
#define bfd_elf64_canonicalize_dynamic_reloc \
sparc64_elf_canonicalize_dynamic_reloc
#define bfd_elf64_bfd_reloc_type_lookup \
sparc64_elf_merge_private_bfd_data
#define elf_backend_fake_sections \
sparc64_elf_fake_sections
+#define elf_backend_plt_sym_val \
+ sparc64_elf_plt_sym_val
#define elf_backend_size_info \
sparc64_elf_size_info
#define elf_backend_plt_alignment 8
#define elf_backend_got_header_size 8
-#define elf_backend_plt_header_size PLT_HEADER_SIZE
#include "elf64-target.h"
projects / deliverable / binutils-gdb.git / blobdiff