/* SPARC-specific support for 64-bit ELF
- Copyright (C) 1993, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "sysdep.h"
#include "libbfd.h"
#include "elf-bfd.h"
+#include "opcode/sparc.h"
/* This is defined if one wants to build upward compatible binaries
with the original sparc64-elf toolchain. The support is kept in for
#define MINUS_ONE (~ (bfd_vma) 0)
static struct bfd_link_hash_table * sparc64_elf_bfd_link_hash_table_create
- PARAMS((bfd *));
+ PARAMS ((bfd *));
+static bfd_reloc_status_type init_insn_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *,
+ bfd *, bfd_vma *, bfd_vma *));
static reloc_howto_type *sparc64_elf_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
static void sparc64_elf_info_to_howto
PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
static void sparc64_elf_build_plt
- PARAMS((bfd *, unsigned char *, int));
+ PARAMS ((bfd *, unsigned char *, int));
static bfd_vma sparc64_elf_plt_entry_offset
- PARAMS((int));
+ PARAMS ((bfd_vma));
static bfd_vma sparc64_elf_plt_ptr_offset
- PARAMS((int, int));
+ PARAMS ((bfd_vma, bfd_vma));
static boolean sparc64_elf_check_relocs
- PARAMS((bfd *, struct bfd_link_info *, asection *sec,
- const Elf_Internal_Rela *));
+ PARAMS ((bfd *, struct bfd_link_info *, asection *sec,
+ const Elf_Internal_Rela *));
static boolean sparc64_elf_adjust_dynamic_symbol
- PARAMS((struct bfd_link_info *, struct elf_link_hash_entry *));
+ PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
static boolean sparc64_elf_size_dynamic_sections
- PARAMS((bfd *, struct bfd_link_info *));
+ PARAMS ((bfd *, struct bfd_link_info *));
static int sparc64_elf_get_symbol_type
PARAMS (( Elf_Internal_Sym *, int));
static boolean sparc64_elf_add_symbol_hook
PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *,
- const char **, flagword *, asection **, bfd_vma *));
+ const char **, flagword *, asection **, bfd_vma *));
+static boolean sparc64_elf_output_arch_syms
+ PARAMS ((bfd *, struct bfd_link_info *, PTR,
+ boolean (*) (PTR, const char *, Elf_Internal_Sym *, asection *)));
static void sparc64_elf_symbol_processing
PARAMS ((bfd *, asymbol *));
static boolean sparc64_elf_merge_private_bfd_data
PARAMS ((bfd *, bfd *));
+static boolean sparc64_elf_fake_sections
+ PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *));
+
+static const char *sparc64_elf_print_symbol_all
+ PARAMS ((bfd *, PTR, asymbol *));
+static boolean sparc64_elf_relax_section
+ PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
static boolean sparc64_elf_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
+static boolean sparc64_elf_finish_dynamic_symbol
+ PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
+ Elf_Internal_Sym *));
+static boolean sparc64_elf_finish_dynamic_sections
+ PARAMS ((bfd *, struct bfd_link_info *));
static boolean sparc64_elf_object_p PARAMS ((bfd *));
static long sparc64_elf_get_reloc_upper_bound PARAMS ((bfd *, asection *));
static long sparc64_elf_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
static long sparc64_elf_canonicalize_dynamic_reloc
PARAMS ((bfd *, arelent **, asymbol **));
static void sparc64_elf_write_relocs PARAMS ((bfd *, asection *, PTR));
+static enum elf_reloc_type_class sparc64_elf_reloc_type_class
+ PARAMS ((const Elf_Internal_Rela *));
\f
/* The relocation "howto" table. */
HOWTO(R_SPARC_32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", false,0,0xffffffff,true),
HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", false,0,0x000000ff,true),
HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", false,0,0x0000ffff,true),
- HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", false,0,0x00ffffff,true),
+ HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", false,0,0xffffffff,true),
HOWTO(R_SPARC_WDISP30, 2,2,30,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", false,0,0x3fffffff,true),
HOWTO(R_SPARC_WDISP22, 2,2,22,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", false,0,0x003fffff,true),
HOWTO(R_SPARC_HI22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", false,0,0x003fffff,true),
HOWTO(R_SPARC_GLOB_DAT, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",false,0,0x00000000,true),
HOWTO(R_SPARC_JMP_SLOT, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",false,0,0x00000000,true),
HOWTO(R_SPARC_RELATIVE, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",false,0,0x00000000,true),
- HOWTO(R_SPARC_UA32, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UA32", false,0,0x00000000,true),
+ HOWTO(R_SPARC_UA32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", false,0,0xffffffff,true),
#ifndef SPARC64_OLD_RELOCS
+ HOWTO(R_SPARC_PLT32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", false,0,0xffffffff,true),
/* These aren't implemented yet. */
- HOWTO(R_SPARC_PLT32, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PLT32", false,0,0x00000000,true),
HOWTO(R_SPARC_HIPLT22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", false,0,0x00000000,true),
HOWTO(R_SPARC_LOPLT10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", false,0,0x00000000,true),
HOWTO(R_SPARC_PCPLT32, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", false,0,0x00000000,true),
HOWTO(R_SPARC_5, 0,2, 5,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", false,0,0x0000001f,true),
HOWTO(R_SPARC_6, 0,2, 6,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", false,0,0x0000003f,true),
HOWTO(R_SPARC_DISP64, 0,4,64,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", false,0,MINUS_ONE, true),
- HOWTO(R_SPARC_PLT64, 0,4,64,false,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_PLT64", false,0,MINUS_ONE, false),
+ HOWTO(R_SPARC_PLT64, 0,4,64,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", false,0,MINUS_ONE, true),
HOWTO(R_SPARC_HIX22, 0,4, 0,false,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", false,0,MINUS_ONE, false),
HOWTO(R_SPARC_LOX10, 0,4, 0,false,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", false,0,MINUS_ONE, false),
HOWTO(R_SPARC_H44, 22,2,22,false,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", false,0,0x003fffff,false),
unsigned char elf_reloc_val;
};
-static CONST struct elf_reloc_map sparc_reloc_map[] =
+static const struct elf_reloc_map sparc_reloc_map[] =
{
{ BFD_RELOC_NONE, R_SPARC_NONE, },
{ BFD_RELOC_16, R_SPARC_16, },
+ { BFD_RELOC_16_PCREL, R_SPARC_DISP16 },
{ BFD_RELOC_8, R_SPARC_8 },
{ BFD_RELOC_8_PCREL, R_SPARC_DISP8 },
{ BFD_RELOC_CTOR, R_SPARC_64 },
{ BFD_RELOC_HI22, R_SPARC_HI22 },
{ BFD_RELOC_LO10, R_SPARC_LO10, },
{ BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 },
+ { BFD_RELOC_64_PCREL, R_SPARC_DISP64 },
{ BFD_RELOC_SPARC22, R_SPARC_22 },
{ BFD_RELOC_SPARC13, R_SPARC_13 },
{ BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 },
{ BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
{ BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
{ BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
- /* ??? Doesn't dwarf use this? */
-/*{ BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */
- {BFD_RELOC_SPARC_10, R_SPARC_10},
- {BFD_RELOC_SPARC_11, R_SPARC_11},
- {BFD_RELOC_SPARC_64, R_SPARC_64},
- {BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10},
- {BFD_RELOC_SPARC_HH22, R_SPARC_HH22},
- {BFD_RELOC_SPARC_HM10, R_SPARC_HM10},
- {BFD_RELOC_SPARC_LM22, R_SPARC_LM22},
- {BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22},
- {BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10},
- {BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22},
- {BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16},
- {BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19},
- {BFD_RELOC_SPARC_7, R_SPARC_7},
- {BFD_RELOC_SPARC_5, R_SPARC_5},
- {BFD_RELOC_SPARC_6, R_SPARC_6},
- {BFD_RELOC_SPARC_DISP64, R_SPARC_DISP64},
- {BFD_RELOC_SPARC_PLT64, R_SPARC_PLT64},
- {BFD_RELOC_SPARC_HIX22, R_SPARC_HIX22},
- {BFD_RELOC_SPARC_LOX10, R_SPARC_LOX10},
- {BFD_RELOC_SPARC_H44, R_SPARC_H44},
- {BFD_RELOC_SPARC_M44, R_SPARC_M44},
- {BFD_RELOC_SPARC_L44, R_SPARC_L44},
- {BFD_RELOC_SPARC_REGISTER, R_SPARC_REGISTER}
+ { BFD_RELOC_SPARC_UA16, R_SPARC_UA16 },
+ { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 },
+ { BFD_RELOC_SPARC_UA64, R_SPARC_UA64 },
+ { BFD_RELOC_SPARC_10, R_SPARC_10 },
+ { BFD_RELOC_SPARC_11, R_SPARC_11 },
+ { BFD_RELOC_SPARC_64, R_SPARC_64 },
+ { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 },
+ { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 },
+ { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 },
+ { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 },
+ { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 },
+ { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 },
+ { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 },
+ { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 },
+ { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 },
+ { BFD_RELOC_SPARC_7, R_SPARC_7 },
+ { BFD_RELOC_SPARC_5, R_SPARC_5 },
+ { BFD_RELOC_SPARC_6, R_SPARC_6 },
+ { BFD_RELOC_SPARC_DISP64, R_SPARC_DISP64 },
+#ifndef SPARC64_OLD_RELOCS
+ { BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 },
+#endif
+ { BFD_RELOC_SPARC_PLT64, R_SPARC_PLT64 },
+ { BFD_RELOC_SPARC_HIX22, R_SPARC_HIX22 },
+ { BFD_RELOC_SPARC_LOX10, R_SPARC_LOX10 },
+ { BFD_RELOC_SPARC_H44, R_SPARC_H44 },
+ { BFD_RELOC_SPARC_M44, R_SPARC_M44 },
+ { BFD_RELOC_SPARC_L44, R_SPARC_L44 },
+ { BFD_RELOC_SPARC_REGISTER, R_SPARC_REGISTER }
};
static reloc_howto_type *
sparc64_elf_reloc_type_lookup (abfd, code)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
unsigned int i;
static void
sparc64_elf_info_to_howto (abfd, cache_ptr, dst)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *cache_ptr;
Elf64_Internal_Rela *dst;
{
/* 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. */
-
+
static long
sparc64_elf_get_reloc_upper_bound (abfd, sec)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
{
return (sec->reloc_count * 2 + 1) * sizeof (arelent *);
return _bfd_elf_get_dynamic_reloc_upper_bound (abfd) * 2;
}
-/* Read relocations for ASECT from REL_HDR. There are RELOC_COUNT of
+/* Read relocations for ASECT from REL_HDR. There are RELOC_COUNT of
them. We cannot use generic elf routines for this, because R_SPARC_OLO10
has secondary addend in ELF64_R_TYPE_DATA. We handle it as two relocations
for the same location, R_SPARC_LO10 and R_SPARC_13. */
asymbol **symbols;
boolean dynamic;
{
- struct elf_backend_data * const ebd = get_elf_backend_data (abfd);
PTR allocated = NULL;
bfd_byte *native_relocs;
arelent *relent;
bfd_size_type count;
arelent *relents;
- allocated = (PTR) bfd_malloc ((size_t) rel_hdr->sh_size);
+ allocated = (PTR) bfd_malloc (rel_hdr->sh_size);
if (allocated == NULL)
goto error_return;
if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0
- || (bfd_read (allocated, 1, rel_hdr->sh_size, abfd)
- != rel_hdr->sh_size))
+ || bfd_bread (allocated, rel_hdr->sh_size, abfd) != rel_hdr->sh_size)
goto error_return;
native_relocs = (bfd_byte *) allocated;
entsize = rel_hdr->sh_entsize;
BFD_ASSERT (entsize == sizeof (Elf64_External_Rela));
-
+
count = rel_hdr->sh_size / entsize;
for (i = 0, relent = relents; i < count;
struct bfd_elf_section_data * const d = elf_section_data (asect);
Elf_Internal_Shdr *rel_hdr;
Elf_Internal_Shdr *rel_hdr2;
+ bfd_size_type amt;
if (asect->relocation != NULL)
return true;
return true;
rel_hdr = &d->this_hdr;
- asect->reloc_count = rel_hdr->sh_size / rel_hdr->sh_entsize;
+ asect->reloc_count = NUM_SHDR_ENTRIES (rel_hdr);
rel_hdr2 = NULL;
}
- asect->relocation = ((arelent *)
- bfd_alloc (abfd,
- asect->reloc_count * 2 * sizeof (arelent)));
+ amt = asect->reloc_count;
+ amt *= 2 * sizeof (arelent);
+ asect->relocation = (arelent *) bfd_alloc (abfd, amt);
if (asect->relocation == NULL)
return false;
/* The sparc64_elf_slurp_one_reloc_table routine increments reloc_count. */
asect->reloc_count = 0;
-
+
if (!sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols,
dynamic))
return false;
-
- if (rel_hdr2
+
+ if (rel_hdr2
&& !sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr2, symbols,
dynamic))
return false;
{
boolean *failedp = (boolean *) data;
Elf_Internal_Shdr *rela_hdr;
- Elf64_External_Rela *outbound_relocas;
+ Elf64_External_Rela *outbound_relocas, *src_rela;
unsigned int idx, count;
asymbol *last_sym = 0;
int last_sym_idx = 0;
for (idx = 0; idx < sec->reloc_count; idx++)
{
bfd_vma addr;
- unsigned int i;
++count;
if (rela_hdr->sh_type != SHT_RELA)
abort ();
- /* orelocation has the data, reloc_count has the count... */
+ /* orelocation has the data, reloc_count has the count... */
outbound_relocas = (Elf64_External_Rela *) rela_hdr->contents;
+ src_rela = outbound_relocas;
for (idx = 0; idx < sec->reloc_count; idx++)
{
Elf_Internal_Rela dst_rela;
- Elf64_External_Rela *src_rela;
arelent *ptr;
asymbol *sym;
int n;
ptr = sec->orelocation[idx];
- src_rela = outbound_relocas + idx;
/* The address of an ELF reloc is section relative for an object
file, and absolute for an executable file or shared library.
dst_rela.r_addend = ptr->addend;
bfd_elf64_swap_reloca_out (abfd, &dst_rela, src_rela);
+ ++src_rela;
}
}
\f
#define sparc64_elf_hash_table(p) \
((struct sparc64_elf_link_hash_table *) ((p)->hash))
-
+
/* Create a Sparc64 ELF linker hash table. */
static struct bfd_link_hash_table *
bfd *abfd;
{
struct sparc64_elf_link_hash_table *ret;
+ bfd_size_type amt = sizeof (struct sparc64_elf_link_hash_table);
- ret = ((struct sparc64_elf_link_hash_table *)
- bfd_zalloc (abfd, sizeof (struct sparc64_elf_link_hash_table)));
+ ret = (struct sparc64_elf_link_hash_table *) bfd_zmalloc (amt);
if (ret == (struct sparc64_elf_link_hash_table *) NULL)
return NULL;
if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
_bfd_elf_link_hash_newfunc))
{
- bfd_release (abfd, ret);
+ free (ret);
return NULL;
}
return &ret->root.root;
}
-
\f
/* Utility for performing the standard initial work of an instruction
relocation.
return bfd_reloc_ok;
}
- /* This works because partial_inplace == false. */
+ /* This works because partial_inplace is false. */
if (output_bfd != NULL)
return bfd_reloc_continue;
input_section,
output_bfd,
error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry ATTRIBUTE_UNUSED;
+ asymbol *symbol ATTRIBUTE_UNUSED;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section ATTRIBUTE_UNUSED;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
+ char **error_message ATTRIBUTE_UNUSED;
{
return bfd_reloc_notsupported;
}
PTR data;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
bfd_vma relocation;
bfd_vma insn;
if (status != bfd_reloc_other)
return status;
- insn = (insn & ~0x303fff) | ((((relocation >> 2) & 0xc000) << 6)
- | ((relocation >> 2) & 0x3fff));
+ insn &= ~ (bfd_vma) 0x303fff;
+ insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
if ((bfd_signed_vma) relocation < - 0x40000
PTR data;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
bfd_vma relocation;
bfd_vma insn;
return status;
relocation ^= MINUS_ONE;
- insn = (insn & ~0x3fffff) | ((relocation >> 10) & 0x3fffff);
+ insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
PTR data;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
bfd_vma relocation;
bfd_vma insn;
if (status != bfd_reloc_other)
return status;
- insn = (insn & ~0x1fff) | 0x1c00 | (relocation & 0x3ff);
+ insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
return bfd_reloc_ok;
#define ELF_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
-
/* Fill in the .plt section. */
static void
{
const unsigned int nop = 0x01000000;
int i, j;
-
+
/* The first four entries are reserved, and are initially undefined.
We fill them with `illtrap 0' to force ld.so to do something. */
for (i = 0; i < PLT_HEADER_SIZE/4; ++i)
- bfd_put_32 (output_bfd, 0, contents+i*4);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, contents+i*4);
/* The first 32768 entries are close enough to plt1 to get there via
a straight branch. */
/* ba,a,pt %xcc, plt1 */
ba = 0x30680000 | (((contents+PLT_ENTRY_SIZE) - (entry+4)) / 4 & 0x7ffff);
- bfd_put_32 (output_bfd, sethi, entry);
- bfd_put_32 (output_bfd, ba, entry+4);
- bfd_put_32 (output_bfd, nop, entry+8);
- bfd_put_32 (output_bfd, nop, entry+12);
- bfd_put_32 (output_bfd, nop, entry+16);
- bfd_put_32 (output_bfd, nop, entry+20);
- bfd_put_32 (output_bfd, nop, entry+24);
- bfd_put_32 (output_bfd, nop, entry+28);
+ bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
+ bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
+ bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
+ bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
+ bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
+ bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
+ bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
+ bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
}
/* Now the tricky bit. Entries 32768 and higher are grouped in blocks of
160: 160 entries and 160 pointers. This is to separate code from data,
which is much friendlier on the cache. */
-
+
for (; i < nentries; i += 160)
{
int block = (i + 160 <= nentries ? 160 : nentries - i);
entry = contents + i*PLT_ENTRY_SIZE + j*4*6;
ptr = contents + i*PLT_ENTRY_SIZE + block*4*6 + j*8;
- /* ldx [%o7 + ptr - entry+4], %g1 */
- ldx = 0xc25be000 | ((ptr - entry+4) & 0x1fff);
-
- bfd_put_32 (output_bfd, 0x8a10000f, entry); /* mov %o7,%g5 */
- bfd_put_32 (output_bfd, 0x40000002, entry+4); /* call .+8 */
- bfd_put_32 (output_bfd, nop, entry+8); /* nop */
- bfd_put_32 (output_bfd, ldx, entry+12); /* ldx [%o7+P],%g1 */
- bfd_put_32 (output_bfd, 0x83c3c001, entry+16); /* jmpl %o7+%g1,%g1 */
- bfd_put_32 (output_bfd, 0x9e100005, entry+20); /* mov %g5,%o7 */
-
- bfd_put_64 (output_bfd, contents - (entry+4), ptr);
+ /* ldx [%o7 + ptr - (entry+4)], %g1 */
+ ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
+
+ /* mov %o7,%g5
+ call .+8
+ nop
+ ldx [%o7+P],%g1
+ jmpl %o7+%g1,%g1
+ mov %g5,%o7 */
+ bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
+ bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
+ bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
+ bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
+ bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
+ bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
+
+ bfd_put_64 (output_bfd, (bfd_vma) (contents - (entry + 4)), ptr);
}
}
}
static bfd_vma
sparc64_elf_plt_entry_offset (index)
- int index;
+ bfd_vma index;
{
- int block, ofs;
+ bfd_vma block, ofs;
if (index < LARGE_PLT_THRESHOLD)
return index * PLT_ENTRY_SIZE;
block = (index - LARGE_PLT_THRESHOLD) / 160;
ofs = (index - LARGE_PLT_THRESHOLD) % 160;
- return ((bfd_vma)(LARGE_PLT_THRESHOLD + block*160) * PLT_ENTRY_SIZE
- + ofs * 6*4);
+ return (LARGE_PLT_THRESHOLD + block * 160) * PLT_ENTRY_SIZE + ofs * 6 * 4;
}
static bfd_vma
sparc64_elf_plt_ptr_offset (index, max)
- int index, max;
+ bfd_vma index;
+ bfd_vma max;
{
- int block, ofs, last;
+ bfd_vma block, ofs, last;
BFD_ASSERT(index >= LARGE_PLT_THRESHOLD);
/* See above for details. */
- block = (((index - LARGE_PLT_THRESHOLD) / 160) * 160)
- + LARGE_PLT_THRESHOLD;
+ block = (((index - LARGE_PLT_THRESHOLD) / 160) * 160) + LARGE_PLT_THRESHOLD;
ofs = index - block;
if (block + 160 > max)
last = (max - LARGE_PLT_THRESHOLD) % 160;
+ last * 6*4
+ ofs * 8);
}
-
-
\f
/* Look through the relocs for a section during the first phase, and
allocate space in the global offset table or procedure linkage
srelgot = NULL;
sreloc = NULL;
- rel_end = relocs + sec->reloc_count;
+ rel_end = relocs + NUM_SHDR_ENTRIES (& elf_section_data (sec)->rel_hdr);
for (rel = relocs; rel < rel_end; rel++)
{
unsigned long r_symndx;
symbol. */
if (local_got_offsets == NULL)
{
- size_t size;
+ bfd_size_type size;
register unsigned int i;
- size = symtab_hdr->sh_info * sizeof (bfd_vma);
+ size = symtab_hdr->sh_info;
+ size *= sizeof (bfd_vma);
local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size);
if (local_got_offsets == NULL)
return false;
}
h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
- break;
-
+ if (ELF64_R_TYPE_ID (rel->r_info) != R_SPARC_PLT32
+ && ELF64_R_TYPE_ID (rel->r_info) != R_SPARC_PLT64)
+ break;
+ /* Fall through. */
case R_SPARC_PC10:
case R_SPARC_PC22:
case R_SPARC_PC_HH22:
case R_SPARC_UA16:
/* 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.
+ dynobj and make room for the reloc.
But don't do this for debugging sections -- this shows up
with DWARF2 -- first because they are not loaded, and
|| ! bfd_set_section_alignment (dynobj, sreloc, 3))
return false;
}
+ if (sec->flags & SEC_READONLY)
+ info->flags |= DF_TEXTREL;
}
sreloc->_raw_size += sizeof (Elf64_External_Rela);
break;
default:
- (*_bfd_error_handler)(_("%s: check_relocs: unhandled reloc type %d"),
- bfd_get_filename(abfd),
+ (*_bfd_error_handler) (_("%s: check_relocs: unhandled reloc type %d"),
+ bfd_archive_filename (abfd),
ELF64_R_TYPE_ID (rel->r_info));
return false;
}
struct bfd_link_info *info;
const Elf_Internal_Sym *sym;
const char **namep;
- flagword *flagsp;
- asection **secp;
- bfd_vma *valp;
+ flagword *flagsp ATTRIBUTE_UNUSED;
+ asection **secp ATTRIBUTE_UNUSED;
+ bfd_vma *valp ATTRIBUTE_UNUSED;
{
- static char *stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" };
+ static const char *const stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" };
if (ELF_ST_TYPE (sym->st_info) == STT_REGISTER)
{
int reg;
struct sparc64_elf_app_reg *p;
-
+
reg = (int)sym->st_value;
switch (reg & ~1)
{
default:
(*_bfd_error_handler)
(_("%s: Only registers %%g[2367] can be declared using STT_REGISTER"),
- bfd_get_filename (abfd));
+ bfd_archive_filename (abfd));
return false;
}
if (p->name != NULL && strcmp (p->name, *namep))
{
(*_bfd_error_handler)
- (_("Register %%g%d used incompatibly: "
- "previously declared in %s to %s, in %s redefined to %s"),
- (int)sym->st_value,
- bfd_get_filename (p->abfd), *p->name ? p->name : "#scratch",
- bfd_get_filename (abfd), **namep ? *namep : "#scratch");
+ (_("Register %%g%d used incompatibly: %s in %s, previously %s in %s"),
+ (int) sym->st_value,
+ **namep ? *namep : "#scratch", bfd_archive_filename (abfd),
+ *p->name ? p->name : "#scratch", bfd_archive_filename (p->abfd));
return false;
}
if (**namep)
{
struct elf_link_hash_entry *h;
-
+
h = (struct elf_link_hash_entry *)
bfd_link_hash_lookup (info->hash, *namep, false, false, false);
{
unsigned char type = h->type;
- if (type > STT_FUNC) type = 0;
+ if (type > STT_FUNC)
+ type = 0;
(*_bfd_error_handler)
- (_("Symbol `%s' has differing types: "
- "previously %s, REGISTER in %s"),
- *namep, stt_types [type], bfd_get_filename (abfd));
+ (_("Symbol `%s' has differing types: REGISTER in %s, previously %s in %s"),
+ *namep, bfd_archive_filename (abfd),
+ stt_types[type], bfd_archive_filename (p->abfd));
return false;
}
*namep = NULL;
return true;
}
- else if (! *namep || ! **namep)
- return true;
- else
+ else if (*namep && **namep
+ && info->hash->creator == abfd->xvec)
{
int i;
struct sparc64_elf_app_reg *p;
{
unsigned char type = ELF_ST_TYPE (sym->st_info);
- if (type > STT_FUNC) type = 0;
+ if (type > STT_FUNC)
+ type = 0;
(*_bfd_error_handler)
- (_("Symbol `%s' has differing types: "
- "REGISTER in %s, %s in %s"),
- *namep, bfd_get_filename (p->abfd), stt_types [type],
- bfd_get_filename (abfd));
+ (_("Symbol `%s' has differing types: %s in %s, previously REGISTER in %s"),
+ *namep, stt_types[type], bfd_archive_filename (abfd),
+ bfd_archive_filename (p->abfd));
return false;
}
}
static boolean
sparc64_elf_output_arch_syms (output_bfd, info, finfo, func)
- bfd *output_bfd;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
PTR finfo;
boolean (*func) PARAMS ((PTR, const char *,
to back up symtab->sh_info. */
if (elf_hash_table (info)->dynlocal)
{
+ bfd * dynobj = elf_hash_table (info)->dynobj;
+ asection *dynsymsec = bfd_get_section_by_name (dynobj, ".dynsym");
struct elf_link_local_dynamic_entry *e;
for (e = elf_hash_table (info)->dynlocal; e ; e = e->next)
static void
sparc64_elf_symbol_processing (abfd, asym)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
asymbol *asym;
{
elf_symbol_type *elfsym;
s = bfd_get_section_by_name (dynobj, ".rela.plt");
BFD_ASSERT (s != NULL);
- /* The first plt entries are reserved, and the relocations must
- pair up exactly. */
- if (s->_raw_size == 0)
- s->_raw_size += (PLT_HEADER_SIZE/PLT_ENTRY_SIZE
- * sizeof (Elf64_External_Rela));
-
s->_raw_size += sizeof (Elf64_External_Rela);
/* The procedure linkage table size is bounded by the magnitude
{
bfd *dynobj;
asection *s;
- boolean reltext;
boolean relplt;
dynobj = elf_hash_table (info)->dynobj;
/* The check_relocs and adjust_dynamic_symbol entry points have
determined the sizes of the various dynamic sections. Allocate
memory for them. */
- reltext = false;
relplt = false;
for (s = dynobj->sections; s != NULL; s = s->next)
{
}
else
{
- const char *outname;
- asection *target;
-
- /* If this relocation section applies to a read only
- section, then we probably need a DT_TEXTREL entry. */
- outname = bfd_get_section_name (output_bfd,
- s->output_section);
- target = bfd_get_section_by_name (output_bfd, outname + 5);
- if (target != NULL
- && (target->flags & SEC_READONLY) != 0)
- reltext = true;
-
if (strcmp (name, ".rela.plt") == 0)
relplt = true;
if (strip)
{
- _bfd_strip_section_from_output (s);
+ _bfd_strip_section_from_output (info, s);
continue;
}
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_elf64_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
+
int reg;
struct sparc64_elf_app_reg * app_regs;
- struct bfd_strtab_hash *dynstr;
+ struct elf_strtab_hash *dynstr;
struct elf_link_hash_table *eht = elf_hash_table (info);
- if (! info->shared)
+ if (!info->shared)
{
- if (! bfd_elf64_add_dynamic_entry (info, DT_DEBUG, 0))
+ if (!add_dynamic_entry (DT_DEBUG, 0))
return false;
}
if (relplt)
{
- if (! bfd_elf64_add_dynamic_entry (info, DT_PLTGOT, 0)
- || ! bfd_elf64_add_dynamic_entry (info, DT_PLTRELSZ, 0)
- || ! bfd_elf64_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
- || ! bfd_elf64_add_dynamic_entry (info, DT_JMPREL, 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 (! bfd_elf64_add_dynamic_entry (info, DT_RELA, 0)
- || ! bfd_elf64_add_dynamic_entry (info, DT_RELASZ, 0)
- || ! bfd_elf64_add_dynamic_entry (info, DT_RELAENT,
- sizeof (Elf64_External_Rela)))
+ if (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela)))
return false;
- if (reltext)
+ if (info->flags & DF_TEXTREL)
{
- if (! bfd_elf64_add_dynamic_entry (info, DT_TEXTREL, 0))
+ if (!add_dynamic_entry (DT_TEXTREL, 0))
return false;
}
if (app_regs [reg].name != NULL)
{
struct elf_link_local_dynamic_entry *entry, *e;
-
- if (! bfd_elf64_add_dynamic_entry (info, DT_SPARC_REGISTER, 0))
+
+ if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
return false;
entry = (struct elf_link_local_dynamic_entry *)
entry->isym.st_size = 0;
if (*app_regs [reg].name != '\0')
entry->isym.st_name
- = _bfd_stringtab_add (dynstr, app_regs[reg].name, true, false);
+ = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, false);
else
entry->isym.st_name = 0;
entry->isym.st_other = 0;
eht->dynsymcount++;
}
}
+#undef add_dynamic_entry
+
+ return true;
+}
+\f
+#define SET_SEC_DO_RELAX(section) do { elf_section_data(section)->tdata = (void *)1; } while (0)
+#define SEC_DO_RELAX(section) (elf_section_data(section)->tdata == (void *)1)
+static boolean
+sparc64_elf_relax_section (abfd, section, link_info, again)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asection *section ATTRIBUTE_UNUSED;
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
+ boolean *again;
+{
+ *again = false;
+ SET_SEC_DO_RELAX (section);
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 boolean
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
+ if (info->relocateable)
+ return true;
+
dynobj = elf_hash_table (info)->dynobj;
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
sgot = splt = sreloc = NULL;
rel = relocs;
- relend = relocs + input_section->reloc_count;
+ relend = relocs + NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr);
for (; rel < relend; rel++)
{
int r_type;
reloc_howto_type *howto;
- long r_symndx;
+ unsigned long r_symndx;
struct elf_link_hash_entry *h;
Elf_Internal_Sym *sym;
asection *sec;
- bfd_vma relocation;
+ bfd_vma relocation, off;
bfd_reloc_status_type r;
+ boolean is_plt = false;
+ boolean unresolved_reloc;
r_type = ELF64_R_TYPE_ID (rel->r_info);
if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
}
howto = sparc64_elf_howto_table + r_type;
- r_symndx = ELF64_R_SYM (rel->r_info);
-
- if (info->relocateable)
- {
- /* This is a relocateable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- sec = local_sections[r_symndx];
- rel->r_addend += sec->output_offset + sym->st_value;
- }
- }
-
- continue;
- }
-
/* This is a final link. */
+ r_symndx = ELF64_R_SYM (rel->r_info);
h = NULL;
sym = NULL;
sec = NULL;
+ unresolved_reloc = false;
if (r_symndx < symtab_hdr->sh_info)
{
sym = local_syms + r_symndx;
sec = local_sections[r_symndx];
- relocation = (sec->output_section->vma
- + sec->output_offset
- + sym->st_value);
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
}
else
{
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;
+
+ relocation = 0;
if (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
{
- boolean skip_it = false;
sec = h->root.u.def.section;
-
- switch (r_type)
- {
- case R_SPARC_WPLT30:
- case R_SPARC_PLT32:
- case R_SPARC_HIPLT22:
- case R_SPARC_LOPLT10:
- case R_SPARC_PCPLT32:
- case R_SPARC_PCPLT22:
- case R_SPARC_PCPLT10:
- case R_SPARC_PLT64:
- if (h->plt.offset != (bfd_vma) -1)
- skip_it = true;
- break;
-
- case R_SPARC_GOT10:
- case R_SPARC_GOT13:
- case R_SPARC_GOT22:
- if (elf_hash_table(info)->dynamic_sections_created
- && (!info->shared
- || (!info->symbolic && h->dynindx != -1)
- || !(h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR)))
- skip_it = true;
- break;
-
- case R_SPARC_PC10:
- case R_SPARC_PC22:
- case R_SPARC_PC_HH22:
- case R_SPARC_PC_HM10:
- case R_SPARC_PC_LM22:
- if (!strcmp(h->root.root.string, "_GLOBAL_OFFSET_TABLE_"))
- break;
- /* FALLTHRU */
-
- case R_SPARC_8:
- case R_SPARC_16:
- case R_SPARC_32:
- case R_SPARC_DISP8:
- case R_SPARC_DISP16:
- case R_SPARC_DISP32:
- case R_SPARC_WDISP30:
- case R_SPARC_WDISP22:
- case R_SPARC_HI22:
- case R_SPARC_22:
- case R_SPARC_13:
- case R_SPARC_LO10:
- case R_SPARC_UA32:
- case R_SPARC_10:
- case R_SPARC_11:
- case R_SPARC_64:
- case R_SPARC_OLO10:
- case R_SPARC_HH22:
- case R_SPARC_HM10:
- case R_SPARC_LM22:
- case R_SPARC_WDISP19:
- case R_SPARC_WDISP16:
- case R_SPARC_7:
- case R_SPARC_5:
- case R_SPARC_6:
- case R_SPARC_DISP64:
- case R_SPARC_HIX22:
- case R_SPARC_LOX10:
- case R_SPARC_H44:
- case R_SPARC_M44:
- case R_SPARC_L44:
- case R_SPARC_UA64:
- case R_SPARC_UA16:
- if (info->shared
- && ((!info->symbolic && h->dynindx != -1)
- || !(h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR)))
- skip_it = true;
- break;
- }
-
- if (skip_it)
- {
- /* In these cases, we don't need the relocation
- value. We check specially because in some
- obscure cases sec->output_section will be NULL. */
- relocation = 0;
- }
+ 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);
- }
+ relocation = (h->root.u.def.value
+ + sec->output_section->vma
+ + sec->output_offset);
}
else if (h->root.type == bfd_link_hash_undefweak)
- relocation = 0;
- else if (info->shared && !info->symbolic && !info->no_undefined)
- relocation = 0;
+ ;
+ 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)))
+ input_section, rel->r_offset,
+ (!info->shared || info->no_undefined
+ || ELF_ST_VISIBILITY (h->other)))))
return false;
- relocation = 0;
+
+ /* 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
+ relocation = 0;
}
}
+ do_dynreloc:
/* When generating a shared object, these relocations are copied
into the output file to be resolved at run time. */
- if (info->shared && (input_section->flags & SEC_ALLOC))
+ if (info->shared && r_symndx != 0 && (input_section->flags & SEC_ALLOC))
{
switch (r_type)
{
case R_SPARC_DISP8:
case R_SPARC_DISP16:
case R_SPARC_DISP32:
+ case R_SPARC_DISP64:
case R_SPARC_WDISP30:
case R_SPARC_WDISP22:
case R_SPARC_WDISP19:
case R_SPARC_WDISP16:
- case R_SPARC_DISP64:
if (h == NULL)
break;
/* Fall through. */
case R_SPARC_UA16:
{
Elf_Internal_Rela outrel;
- boolean skip;
+ boolean skip, relocate;
if (sreloc == NULL)
{
}
skip = false;
+ relocate = false;
- if (elf_section_data (input_section)->stab_info == NULL)
- outrel.r_offset = rel->r_offset;
- else
- {
- bfd_vma off;
-
- off = (_bfd_stab_section_offset
- (output_bfd, &elf_hash_table (info)->stab_info,
- input_section,
- &elf_section_data (input_section)->stab_info,
- rel->r_offset));
- if (off == MINUS_ONE)
- skip = true;
- outrel.r_offset = off;
- }
+ outrel.r_offset =
+ _bfd_elf_section_offset (output_bfd, info, input_section,
+ rel->r_offset);
+ if (outrel.r_offset == (bfd_vma) -1)
+ skip = true;
+ else if (outrel.r_offset == (bfd_vma) -2)
+ skip = true, relocate = true;
outrel.r_offset += (input_section->output_section->vma
+ input_section->output_offset);
case R_SPARC_UA64:
if (!(outrel.r_offset & 7)) r_type = R_SPARC_64;
break;
+ case R_SPARC_DISP8:
+ case R_SPARC_DISP16:
+ case R_SPARC_DISP32:
+ case R_SPARC_DISP64:
+ /* If the symbol is not dynamic, we should not keep
+ a dynamic relocation. But an .rela.* slot has been
+ allocated for it, output R_SPARC_NONE.
+ FIXME: Add code tracking needed dynamic relocs as
+ e.g. i386 has. */
+ if (h->dynindx == -1)
+ skip = true, relocate = true;
+ break;
}
if (skip)
memset (&outrel, 0, sizeof outrel);
/* h->dynindx may be -1 if the symbol was marked to
become local. */
- else if (h != NULL
+ else if (h != NULL && ! is_plt
&& ((! info->symbolic && h->dynindx != -1)
|| (h->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR) == 0))
{
long indx;
- if (h == NULL)
+ if (is_plt)
+ sec = splt;
+ else if (h == NULL)
sec = local_sections[r_symndx];
else
{
BFD_FAIL ();
(*_bfd_error_handler)
(_("%s: probably compiled without -fPIC?"),
- bfd_get_filename (input_bfd));
+ bfd_archive_filename (input_bfd));
bfd_set_error (bfd_error_bad_value);
return false;
}
ELF64_R_TYPE_INFO (
ELF64_R_TYPE_DATA (rel->r_info),
r_type));
-
- /* For non-RELATIVE dynamic relocations, we keep the
- same symbol, and so generally the same addend. But
- we do need to adjust those relocations referencing
- sections. */
- outrel.r_addend = rel->r_addend;
- if (r_symndx < symtab_hdr->sh_info
- && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- outrel.r_addend += sec->output_offset+sym->st_value;
+ outrel.r_addend = relocation + rel->r_addend;
}
}
++sreloc->reloc_count;
/* This reloc will be computed at runtime, so there's no
- need to do anything now, unless this is a RELATIVE
- reloc in an unallocated section. */
- if (skip
- || (input_section->flags & SEC_ALLOC) != 0
- || ELF64_R_TYPE_ID (outrel.r_info) != R_SPARC_RELATIVE)
+ need to do anything now. */
+ if (! relocate)
continue;
}
break;
if (h != NULL)
{
- bfd_vma off = h->got.offset;
+ boolean dyn;
+
+ off = h->got.offset;
BFD_ASSERT (off != (bfd_vma) -1);
+ dyn = elf_hash_table (info)->dynamic_sections_created;
- if (! elf_hash_table (info)->dynamic_sections_created
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
|| (info->shared
- && (info->symbolic || h->dynindx == -1)
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR)))
+ && (info->symbolic
+ || h->dynindx == -1
+ || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
{
/* This is actually a static link, or it is a -Bsymbolic
link and the symbol is defined locally, or the symbol
h->got.offset |= 1;
}
}
- relocation = sgot->output_offset + off - got_base;
+ else
+ unresolved_reloc = false;
}
else
{
- bfd_vma off;
-
BFD_ASSERT (local_got_offsets != NULL);
off = local_got_offsets[r_symndx];
BFD_ASSERT (off != (bfd_vma) -1);
off &= ~1;
else
{
- bfd_put_64 (output_bfd, relocation, sgot->contents + off);
local_got_offsets[r_symndx] |= 1;
if (info->shared)
asection *srelgot;
Elf_Internal_Rela outrel;
+ /* The Solaris 2.7 64-bit linker adds the contents
+ of the location to the value of the reloc.
+ Note this is different behaviour to the
+ 32-bit linker, which both adds the contents
+ and ignores the addend. So clear the location. */
+ bfd_put_64 (output_bfd, (bfd_vma) 0,
+ sgot->contents + off);
+
/* We need to generate a R_SPARC_RELATIVE reloc
for the dynamic linker. */
srelgot = bfd_get_section_by_name(dynobj, ".rela.got");
+ srelgot->reloc_count));
++srelgot->reloc_count;
}
+ else
+ bfd_put_64 (output_bfd, relocation, sgot->contents + off);
}
- relocation = sgot->output_offset + off - got_base;
}
+ relocation = sgot->output_offset + off - got_base;
goto do_default;
case R_SPARC_WPLT30:
relocation = (splt->output_section->vma
+ splt->output_offset
+ sparc64_elf_plt_entry_offset (h->plt.offset));
+ unresolved_reloc = false;
+ if (r_type == R_SPARC_WPLT30)
+ goto do_wplt30;
+ if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
+ {
+ r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
+ is_plt = true;
+ goto do_dynreloc;
+ }
goto do_default;
case R_SPARC_OLO10:
relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~0x1fff) | (relocation & 0x1fff);
+ x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
bfd_put_32 (input_bfd, x, contents + rel->r_offset);
r = bfd_check_overflow (howto->complain_on_overflow,
relocation -= rel->r_offset;
x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~0x303fff) | ((((relocation >> 2) & 0xc000) << 6)
- | ((relocation >> 2) & 0x3fff));
+ x &= ~(bfd_vma) 0x303fff;
+ x |= ((((relocation >> 2) & 0xc000) << 6)
+ | ((relocation >> 2) & 0x3fff));
bfd_put_32 (input_bfd, x, contents + rel->r_offset);
r = bfd_check_overflow (howto->complain_on_overflow,
relocation = relocation ^ MINUS_ONE;
x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~0x3fffff) | ((relocation >> 10) & 0x3fffff);
+ x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
bfd_put_32 (input_bfd, x, contents + rel->r_offset);
r = bfd_check_overflow (howto->complain_on_overflow,
relocation = (relocation & 0x3ff) | 0x1c00;
x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~0x1fff) | relocation;
+ x = (x & ~(bfd_vma) 0x1fff) | relocation;
bfd_put_32 (input_bfd, x, contents + rel->r_offset);
r = bfd_reloc_ok;
}
break;
+ case R_SPARC_WDISP30:
+ do_wplt30:
+ if (SEC_DO_RELAX (input_section)
+ && rel->r_offset + 4 < input_section->_raw_size)
+ {
+#define G0 0
+#define O7 15
+#define XCC (2 << 20)
+#define COND(x) (((x)&0xf)<<25)
+#define CONDA COND(0x8)
+#define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
+#define INSN_BA (F2(0,2) | CONDA)
+#define INSN_OR F3(2, 0x2, 0)
+#define INSN_NOP F2(0,4)
+
+ bfd_vma x, y;
+
+ /* If the instruction is a call with either:
+ restore
+ arithmetic instruction with rd == %o7
+ where rs1 != %o7 and rs2 if it is register != %o7
+ then we can optimize if the call destination is near
+ by changing the call into a branch always. */
+ x = bfd_get_32 (input_bfd, contents + rel->r_offset);
+ y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
+ if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
+ {
+ if (((y & OP3(~0)) == OP3(0x3d) /* restore */
+ || ((y & OP3(0x28)) == 0 /* arithmetic */
+ && (y & RD(~0)) == RD(O7)))
+ && (y & RS1(~0)) != RS1(O7)
+ && ((y & F3I(~0))
+ || (y & RS2(~0)) != RS2(O7)))
+ {
+ bfd_vma reloc;
+
+ reloc = relocation + rel->r_addend - rel->r_offset;
+ reloc -= (input_section->output_section->vma
+ + input_section->output_offset);
+ if (reloc & 3)
+ goto do_default;
+
+ /* Ensure the branch fits into simm22. */
+ if ((reloc & ~(bfd_vma)0x7fffff)
+ && ((reloc | 0x7fffff) != MINUS_ONE))
+ goto do_default;
+ reloc >>= 2;
+
+ /* Check whether it fits into simm19. */
+ if ((reloc & 0x3c0000) == 0
+ || (reloc & 0x3c0000) == 0x3c0000)
+ x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
+ else
+ x = INSN_BA | (reloc & 0x3fffff); /* ba */
+ bfd_put_32 (input_bfd, x, contents + rel->r_offset);
+ r = bfd_reloc_ok;
+ if (rel->r_offset >= 4
+ && (y & (0xffffffff ^ RS1(~0)))
+ == (INSN_OR | RD(O7) | RS2(G0)))
+ {
+ bfd_vma z;
+ unsigned int reg;
+
+ z = bfd_get_32 (input_bfd,
+ contents + rel->r_offset - 4);
+ if ((z & (0xffffffff ^ RD(~0)))
+ != (INSN_OR | RS1(O7) | RS2(G0)))
+ break;
+
+ /* The sequence was
+ or %o7, %g0, %rN
+ call foo
+ or %rN, %g0, %o7
+
+ If call foo was replaced with ba, replace
+ or %rN, %g0, %o7 with nop. */
+
+ reg = (y & RS1(~0)) >> 14;
+ if (reg != ((z & RD(~0)) >> 25)
+ || reg == G0 || reg == O7)
+ break;
+
+ bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
+ contents + rel->r_offset + 4);
+ }
+ break;
+ }
+ }
+ }
+ /* FALLTHROUGH */
+
default:
do_default:
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
break;
}
+ /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
+ because such sections are not SEC_ALLOC and thus ld.so will
+ not process them. */
+ if (unresolved_reloc
+ && !((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 relocation against symbol `%s'"),
+ bfd_archive_filename (input_bfd),
+ bfd_get_section_name (input_bfd, input_section),
+ (long) rel->r_offset,
+ h->root.root.string);
+
switch (r)
{
case bfd_reloc_ok:
{
const char *name;
+ /* The Solaris native linker silently disregards
+ overflows. We don't, but this breaks stabs debugging
+ info, whose relocations are only 32-bits wide. Ignore
+ overflows in this case. */
+ if (r_type == R_SPARC_32
+ && (input_section->flags & SEC_DEBUGGING) != 0
+ && strcmp (bfd_section_name (input_bfd, input_section),
+ ".stab") == 0)
+ break;
+
if (h != NULL)
{
if (h->root.type == bfd_link_hash_undefweak
{
/* 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
+ we can safely ignore the overflow. If not, the
program is hosed anyway, and a little warning isn't
going to help. */
break;
}
-
+
name = h->root.root.string;
}
else
asection *srela;
Elf_Internal_Rela rela;
- /* This symbol has an entry in the PLT. Set it up. */
+ /* This symbol has an entry in the PLT. Set it up. */
BFD_ASSERT (h->dynindx != -1);
}
else
{
- int max = splt->_raw_size / PLT_ENTRY_SIZE;
+ bfd_vma max = splt->_raw_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);
rela.r_offset += (splt->output_section->vma + splt->output_offset);
rela.r_info = ELF64_R_INFO (h->dynindx, R_SPARC_JMP_SLOT);
+ /* Adjust for the first 4 reserved elements in the .plt section
+ when setting the offset in the .rela.plt section.
+ Sun forgot to read their own ABI and copied elf32-sparc behaviour,
+ thus .plt[4] has corresponding .rela.plt[0] and so on. */
+
bfd_elf64_swap_reloca_out (output_bfd, &rela,
((Elf64_External_Rela *) srela->contents
- + h->plt.offset));
+ + (h->plt.offset - 4)));
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;
}
}
rela.r_offset = (sgot->output_section->vma
+ sgot->output_offset
- + (h->got.offset &~ 1));
+ + (h->got.offset &~ (bfd_vma) 1));
/* If this is a -Bsymbolic link, and the symbol is defined
locally, we just want to emit a RELATIVE reloc. Likewise if
/* Initialize the contents of the .plt section. */
if (splt->_raw_size > 0)
{
- sparc64_elf_build_plt(output_bfd, splt->contents,
- splt->_raw_size / PLT_ENTRY_SIZE);
+ sparc64_elf_build_plt (output_bfd, splt->contents,
+ (int) (splt->_raw_size / PLT_ENTRY_SIZE));
}
elf_section_data (splt->output_section)->this_hdr.sh_entsize =
return true;
}
+
+static enum elf_reloc_type_class
+sparc64_elf_reloc_type_class (rela)
+ const Elf_Internal_Rela *rela;
+{
+ switch ((int) ELF64_R_TYPE (rela->r_info))
+ {
+ case R_SPARC_RELATIVE:
+ return reloc_class_relative;
+ case R_SPARC_JMP_SLOT:
+ return reloc_class_plt;
+ case R_SPARC_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
+}
\f
-/* Functions for dealing with the e_flags field. */
+/* Functions for dealing with the e_flags field. */
/* Merge backend specific data from an object file to the output
object file when linking. */
elf_flags_init (obfd) = true;
elf_elfheader (obfd)->e_flags = new_flags;
}
-
+
else if (new_flags == old_flags) /* Compatible flags are ok */
;
-
+
else /* Incompatible flags */
{
error = false;
-
- old_flags |= (new_flags & (EF_SPARC_SUN_US1|EF_SPARC_HAL_R1));
- new_flags |= (old_flags & (EF_SPARC_SUN_US1|EF_SPARC_HAL_R1));
- if ((old_flags & (EF_SPARC_SUN_US1|EF_SPARC_HAL_R1)) ==
- (EF_SPARC_SUN_US1|EF_SPARC_HAL_R1))
- {
- error = true;
- (*_bfd_error_handler)
- (_("%s: linking UltraSPARC specific with HAL specific code"),
- bfd_get_filename (ibfd));
- }
-
- /* Choose the most restrictive memory ordering */
- old_mm = (old_flags & EF_SPARCV9_MM);
- new_mm = (new_flags & EF_SPARCV9_MM);
- old_flags &= ~EF_SPARCV9_MM;
- new_flags &= ~EF_SPARCV9_MM;
- if (new_mm < old_mm) old_mm = new_mm;
- old_flags |= old_mm;
- new_flags |= old_mm;
+
+#define EF_SPARC_ISA_EXTENSIONS \
+ (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3 | EF_SPARC_HAL_R1)
+
+ if ((ibfd->flags & DYNAMIC) != 0)
+ {
+ /* We don't want dynamic objects memory ordering and
+ architecture to have any role. That's what dynamic linker
+ should do. */
+ new_flags &= ~(EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS);
+ new_flags |= (old_flags
+ & (EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS));
+ }
+ else
+ {
+ /* Choose the highest architecture requirements. */
+ old_flags |= (new_flags & EF_SPARC_ISA_EXTENSIONS);
+ new_flags |= (old_flags & EF_SPARC_ISA_EXTENSIONS);
+ if ((old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3))
+ && (old_flags & EF_SPARC_HAL_R1))
+ {
+ error = true;
+ (*_bfd_error_handler)
+ (_("%s: linking UltraSPARC specific with HAL specific code"),
+ bfd_archive_filename (ibfd));
+ }
+ /* Choose the most restrictive memory ordering. */
+ old_mm = (old_flags & EF_SPARCV9_MM);
+ new_mm = (new_flags & EF_SPARCV9_MM);
+ old_flags &= ~EF_SPARCV9_MM;
+ new_flags &= ~EF_SPARCV9_MM;
+ if (new_mm < old_mm)
+ old_mm = new_mm;
+ old_flags |= old_mm;
+ new_flags |= old_mm;
+ }
/* Warn about any other mismatches */
if (new_flags != old_flags)
error = true;
(*_bfd_error_handler)
(_("%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)"),
- bfd_get_filename (ibfd), (long)new_flags, (long)old_flags);
+ bfd_archive_filename (ibfd), (long) new_flags, (long) old_flags);
}
elf_elfheader (obfd)->e_flags = old_flags;
}
return true;
}
+
+/* MARCO: Set the correct entry size for the .stab section. */
+
+static boolean
+sparc64_elf_fake_sections (abfd, hdr, sec)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ Elf32_Internal_Shdr *hdr ATTRIBUTE_UNUSED;
+ asection *sec;
+{
+ const char *name;
+
+ name = bfd_get_section_name (abfd, sec);
+
+ if (strcmp (name, ".stab") == 0)
+ {
+ /* Even in the 64bit case the stab entries are only 12 bytes long. */
+ elf_section_data (sec)->this_hdr.sh_entsize = 12;
+ }
+
+ return true;
+}
\f
/* Print a STT_REGISTER symbol to file FILE. */
static const char *
sparc64_elf_print_symbol_all (abfd, filep, symbol)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
PTR filep;
asymbol *symbol;
{
FILE *file = (FILE *) filep;
int reg, type;
-
+
if (ELF_ST_TYPE (((elf_symbol_type *) symbol)->internal_elf_sym.st_info)
!= STT_REGISTER)
return NULL;
fprintf (file, "REG_%c%c%11s%c%c R", "GOLI" [reg / 8], '0' + (reg & 7), "",
((type & BSF_LOCAL)
? (type & BSF_GLOBAL) ? '!' : 'l'
- : (type & BSF_GLOBAL) ? 'g' : ' '),
- (type & BSF_WEAK) ? 'w' : ' ');
+ : (type & BSF_GLOBAL) ? 'g' : ' '),
+ (type & BSF_WEAK) ? 'w' : ' ');
if (symbol->name == NULL || symbol->name [0] == '\0')
return "#scratch";
else
bfd *abfd;
{
unsigned long mach = bfd_mach_sparc_v9;
-
- if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
+
+ if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
+ mach = bfd_mach_sparc_v9b;
+ else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
mach = bfd_mach_sparc_v9a;
return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
}
/* 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. */
+ we use 2. */
1,
64, /* arch_size */
8, /* file_align */
bfd_elf64_write_out_phdrs,
bfd_elf64_write_shdrs_and_ehdr,
sparc64_elf_write_relocs,
+ bfd_elf64_swap_symbol_in,
bfd_elf64_swap_symbol_out,
sparc64_elf_slurp_reloc_table,
bfd_elf64_slurp_symbol_table,
#define bfd_elf64_bfd_link_hash_table_create \
sparc64_elf_bfd_link_hash_table_create
-
+
#define elf_info_to_howto \
sparc64_elf_info_to_howto
#define bfd_elf64_get_reloc_upper_bound \
sparc64_elf_canonicalize_dynamic_reloc
#define bfd_elf64_bfd_reloc_type_lookup \
sparc64_elf_reloc_type_lookup
+#define bfd_elf64_bfd_relax_section \
+ sparc64_elf_relax_section
#define elf_backend_create_dynamic_sections \
_bfd_elf_create_dynamic_sections
sparc64_elf_print_symbol_all
#define elf_backend_output_arch_syms \
sparc64_elf_output_arch_syms
-
#define bfd_elf64_bfd_merge_private_bfd_data \
sparc64_elf_merge_private_bfd_data
+#define elf_backend_fake_sections \
+ sparc64_elf_fake_sections
#define elf_backend_size_info \
sparc64_elf_size_info
#define elf_backend_object_p \
sparc64_elf_object_p
+#define elf_backend_reloc_type_class \
+ sparc64_elf_reloc_type_class
#define elf_backend_want_got_plt 0
#define elf_backend_plt_readonly 0
#define elf_backend_want_plt_sym 1
+#define elf_backend_rela_normal 1
/* Section 5.2.4 of the ABI specifies a 256-byte boundary for the table. */
#define elf_backend_plt_alignment 8
projects / deliverable / binutils-gdb.git / blobdiff