/* M32R-specific support for 32-bit ELF.
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#include "bfd.h"
#include "sysdep.h"
void _bfd_m32r_elf_symbol_processing
PARAMS ((bfd *, asymbol *));
static bfd_boolean m32r_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 m32r_elf_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
-#if 0 /* not yet */
-static bfd_boolean m32r_elf_relax_delete_bytes
- PARAMS ((bfd *, asection *, bfd_vma, int));
-#endif
static bfd_reloc_status_type m32r_elf_final_sda_base
PARAMS ((bfd *, struct bfd_link_info *, const char **, bfd_vma *));
static bfd_boolean m32r_elf_object_p
static bfd_boolean m32r_elf_finish_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
-
+
static bfd_boolean m32r_elf_finish_dynamic_symbol
PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
Elf_Internal_Sym *));
-
+
static bfd_boolean allocate_dynrelocs
PARAMS ((struct elf_link_hash_entry *, PTR));
static bfd_boolean readonly_dynrelocs
/* Use RELA. But use REL to link old objects for backwords compatibility. */
/* Functions for the M32R ELF linker. */
-
+
/* The name of the dynamic interpreter. This is put in the .interp
section. */
-
+
#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
-
+
/* The nop opcode we use. */
-
+
#define M32R_NOP 0x7000f000
-
+
#define PLT_EMPTY 0x10101010 /* RIE -> RIE */
-
+
/* The size in bytes of an entry in the procedure linkage table. */
#define PLT_ENTRY_SIZE 20
#define PLT_HEADER_SIZE 20
-
+
/* The first one entries in a procedure linkage table are reserved,
and the initial contents are unimportant (we zero them out).
Subsequent entries look like this. */
-
+
#define PLT0_ENTRY_WORD0 0xd6c00000 /* seth r6, #high(.got+4) */
#define PLT0_ENTRY_WORD1 0x86e60000 /* or3 r6, r6, #low(.got)+4) */
#define PLT0_ENTRY_WORD2 0x24e626c6 /* ld r4, @r6+ -> ld r6, @r6 */
#define PLT0_ENTRY_WORD3 0x1fc6f000 /* jmp r6 || pnop */
#define PLT0_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */
-
+
#define PLT0_PIC_ENTRY_WORD0 0xa4cc0004 /* ld r4, @(4,r12) */
#define PLT0_PIC_ENTRY_WORD1 0xa6cc0008 /* ld r6, @(8,r12) */
#define PLT0_PIC_ENTRY_WORD2 0x1fc6f000 /* jmp r6 || nop */
#define PLT0_PIC_ENTRY_WORD3 PLT_EMPTY /* RIE -> RIE */
#define PLT0_PIC_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */
-
+
#define PLT_ENTRY_WORD0 0xe6000000 /* ld24 r6, .name_in_GOT */
#define PLT_ENTRY_WORD1 0x06acf000 /* add r6, r12 || nop */
#define PLT_ENTRY_WORD0b 0xd6c00000 /* seth r6, #high(.name_in_GOT) */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_M32R_RELATIVE", /* name */
+ "R_M32R_RELATIVE", /* name */
FALSE, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
HOWTO (R_M32R_GOTOFF, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
+ 24, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
- "R_M32R_GOTOFF", /* name */
+ "R_M32R_GOTOFF", /* name */
FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
+ 0xffffff, /* src_mask */
+ 0xffffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* An PC Relative 24-bit relocation used when setting PIC offset
0x0000ffff, /* src_mask */
0x0000ffff, /* dst_mask */
TRUE), /* pcrel_offset */
+
+ HOWTO (R_M32R_GOTOFF_HI_ULO, /* type */
+ 16, /* rightshift */
+ 2, /* 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_M32R_GOTOFF_HI_ULO",/* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_M32R_GOTOFF_HI_SLO, /* type */
+ 16, /* rightshift */
+ 2, /* 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_M32R_GOTOFF_HI_SLO",/* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_M32R_GOTOFF_LO, /* type */
+ 0, /* rightshift */
+ 2, /* 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_M32R_GOTOFF_LO", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
};
\f
/* Handle the R_M32R_10_PCREL reloc. */
bfd_reloc_status_type status;
/* Sanity check the address (offset in section). */
- if (offset > input_section->_cooked_size)
+ if (offset > bfd_get_section_limit (abfd, input_section))
return bfd_reloc_outofrange;
relocation = symbol_value + addend;
}
/* Sanity check the address (offset in section). */
- if (reloc_entry->address > input_section->_cooked_size)
+ if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
return bfd_reloc_outofrange;
ret = bfd_reloc_ok;
a section relative addend which is wrong. */
/* Sanity check the address (offset in section). */
- if (reloc_entry->address > input_section->_cooked_size)
+ if (reloc_entry->address > bfd_get_section_limit (input_bfd, input_section))
return bfd_reloc_outofrange;
ret = bfd_reloc_ok;
unsigned char elf_reloc_val;
};
+#ifdef USE_M32R_OLD_RELOC
static const struct m32r_reloc_map m32r_reloc_map_old[] =
{
{ BFD_RELOC_NONE, R_M32R_NONE },
{ BFD_RELOC_VTABLE_INHERIT, R_M32R_GNU_VTINHERIT },
{ BFD_RELOC_VTABLE_ENTRY, R_M32R_GNU_VTENTRY },
};
-
+#else
static const struct m32r_reloc_map m32r_reloc_map[] =
{
{ BFD_RELOC_NONE, R_M32R_NONE },
{ BFD_RELOC_M32R_SDA16, R_M32R_SDA16_RELA },
{ BFD_RELOC_VTABLE_INHERIT, R_M32R_RELA_GNU_VTINHERIT },
{ BFD_RELOC_VTABLE_ENTRY, R_M32R_RELA_GNU_VTENTRY },
-
+
{ BFD_RELOC_M32R_GOT24, R_M32R_GOT24 },
{ BFD_RELOC_M32R_26_PLTREL, R_M32R_26_PLTREL },
{ BFD_RELOC_M32R_COPY, R_M32R_COPY },
{ BFD_RELOC_M32R_GOTPC_HI_ULO, R_M32R_GOTPC_HI_ULO },
{ BFD_RELOC_M32R_GOTPC_HI_SLO, R_M32R_GOTPC_HI_SLO },
{ BFD_RELOC_M32R_GOTPC_LO, R_M32R_GOTPC_LO },
+ { BFD_RELOC_M32R_GOTOFF_HI_ULO, R_M32R_GOTOFF_HI_ULO },
+ { BFD_RELOC_M32R_GOTOFF_HI_SLO, R_M32R_GOTOFF_HI_SLO },
+ { BFD_RELOC_M32R_GOTOFF_LO, R_M32R_GOTOFF_LO },
};
+#endif
static reloc_howto_type *
bfd_elf32_bfd_reloc_type_lookup (abfd, code)
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
- BFD_ASSERT (ELF32_R_TYPE(dst->r_info) <= (unsigned int) R_M32R_GNU_VTENTRY)
+ BFD_ASSERT (ELF32_R_TYPE(dst->r_info) <= (unsigned int) R_M32R_GNU_VTENTRY);
cache_ptr->howto = &m32r_elf_howto_table[r_type];
}
m32r_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;
flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
- s = bfd_make_section_anyway (abfd, ".sdata");
+ s = bfd_make_section_anyway_with_flags (abfd, ".sdata",
+ flags);
if (s == NULL)
return FALSE;
- bfd_set_section_flags (abfd, s, flags);
bfd_set_section_alignment (abfd, s, 2);
}
{
struct elf_m32r_link_hash_entry *ret =
(struct elf_m32r_link_hash_entry *) entry;
-
+
/* Allocate the structure if it has not already been allocated by a
subclass. */
if (ret == (struct elf_m32r_link_hash_entry *) NULL)
sizeof (struct elf_m32r_link_hash_entry)));
if (ret == (struct elf_m32r_link_hash_entry *) NULL)
return (struct bfd_hash_entry *) ret;
-
+
/* Call the allocation method of the superclass. */
ret = ((struct elf_m32r_link_hash_entry *)
_bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
if (ret != (struct elf_m32r_link_hash_entry *) NULL)
{
struct elf_m32r_link_hash_entry *eh;
-
+
eh = (struct elf_m32r_link_hash_entry *) ret;
eh->dyn_relocs = NULL;
// eh->gotplt_refcount = 0;
/* eh->pcrel_relocs_copied = NULL; FIXME */
}
-
+
return (struct bfd_hash_entry *) ret;
}
{
struct elf_m32r_link_hash_table *ret;
bfd_size_type amt = sizeof (struct elf_m32r_link_hash_table);
-
+
ret = (struct elf_m32r_link_hash_table *) bfd_malloc (amt);
if (ret == (struct elf_m32r_link_hash_table *) NULL)
return NULL;
-
+
if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
m32r_elf_link_hash_newfunc))
{
free (ret);
return NULL;
}
-
+
ret->sgot = NULL;
ret->sgotplt = NULL;
ret->srelgot = NULL;
ret->sdynbss = NULL;
ret->srelbss = NULL;
ret->sym_sec.abfd = NULL;
-
+
return &ret->root.root;
}
if (! htab->sgot || ! htab->sgotplt)
abort ();
- htab->srelgot = bfd_make_section (dynobj, ".rela.got");
+ htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got",
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY));
if (htab->srelgot == NULL
- || ! bfd_set_section_flags (dynobj, htab->srelgot,
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_LINKER_CREATED
- | SEC_READONLY))
|| ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
return FALSE;
if (bed->plt_readonly)
pltflags |= SEC_READONLY;
- s = bfd_make_section (abfd, ".plt");
+ s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
htab->splt = s;
if (s == NULL
- || ! bfd_set_section_flags (abfd, s, pltflags)
|| ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
return FALSE;
{
/* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
.plt section. */
- struct elf_link_hash_entry *h = NULL;
+ struct bfd_link_hash_entry *bh = NULL;
+ struct elf_link_hash_entry *h;
if (! (_bfd_generic_link_add_one_symbol
(info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
(bfd_vma) 0, (const char *) NULL, FALSE,
- get_elf_backend_data (abfd)->collect,
- (struct bfd_link_hash_entry **) &h)))
+ get_elf_backend_data (abfd)->collect, &bh)))
return FALSE;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ h = (struct elf_link_hash_entry *) bh;
+ h->def_regular = 1;
h->type = STT_OBJECT;
if (info->shared
- && ! _bfd_elf_link_record_dynamic_symbol (info, h))
+ && ! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
- s = bfd_make_section (abfd,
- bed->default_use_rela_p ? ".rela.plt" : ".rel.plt");
+ s = bfd_make_section_with_flags (abfd,
+ bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
+ flags | SEC_READONLY);
htab->srelplt = s;
if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
strcat (relname, secname);
if (bfd_get_section_by_name (abfd, secname))
continue;
- s = bfd_make_section (abfd, relname);
+ s = bfd_make_section_with_flags (abfd, relname,
+ flags | SEC_READONLY);
if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
}
image and use a R_*_COPY reloc to tell the dynamic linker to
initialize them at run time. The linker script puts the .dynbss
section into the .bss section of the final image. */
- s = bfd_make_section (abfd, ".dynbss");
+ s = bfd_make_section_with_flags (abfd, ".dynbss",
+ SEC_ALLOC | SEC_LINKER_CREATED);
htab->sdynbss = s;
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, SEC_ALLOC))
+ if (s == NULL)
return FALSE;
/* The .rel[a].bss section holds copy relocs. This section is not
normally needed. We need to create it here, though, so that the
copy relocs. */
if (! info->shared)
{
- s = bfd_make_section (abfd,
- (bed->default_use_rela_p
- ? ".rela.bss" : ".rel.bss"));
+ s = bfd_make_section_with_flags (abfd,
+ (bed->default_use_rela_p
+ ? ".rela.bss" : ".rel.bss"),
+ flags | SEC_READONLY);
htab->srelbss = s;
if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
|| ! bfd_set_section_alignment (abfd, s, ptralign))
return FALSE;
}
static void m32r_elf_copy_indirect_symbol (const struct elf_backend_data *,
struct elf_link_hash_entry *,
struct elf_link_hash_entry *);
-
+
static void
m32r_elf_copy_indirect_symbol (const struct elf_backend_data *bed,
struct elf_link_hash_entry *dir,
struct elf_link_hash_entry *ind)
{
struct elf_m32r_link_hash_entry *edir, *eind;
-
+
edir = (struct elf_m32r_link_hash_entry *) dir;
eind = (struct elf_m32r_link_hash_entry *) ind;
-
+
if (eind->dyn_relocs != NULL)
{
if (edir->dyn_relocs != NULL)
{
struct elf_m32r_dyn_relocs **pp;
struct elf_m32r_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 elf_m32r_dyn_relocs *q;
-
+
for (q = edir->dyn_relocs; q != NULL; q = q->next)
if (q->sec == p->sec)
{
}
*pp = edir->dyn_relocs;
}
-
+
edir->dyn_relocs = eind->dyn_relocs;
eind->dyn_relocs = NULL;
}
-
+
// if (ind->root.type == bfd_link_hash_indirect
// && dir->got.refcount <= 0)
// {
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
m32r_elf_adjust_dynamic_symbol (info, h)
struct bfd_link_info *info;
#ifdef DEBUG_PIC
printf("m32r_elf_adjust_dynamic_symbol()\n");
#endif
-
+
dynobj = elf_hash_table (info)->dynobj;
-
+
/* Make sure we know what is going on here. */
BFD_ASSERT (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)));
-
-
+ && (h->needs_plt
+ || h->u.weakdef != NULL
+ || (h->def_dynamic
+ && h->ref_regular
+ && !h->def_regular)));
+
+
/* If this is a function, put it in the procedure linkage table. We
will fill in the contents of the procedure linkage table later,
when we know the address of the .got section. */
if (h->type == STT_FUNC
- || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ || h->needs_plt)
{
if (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0
+ && !h->def_dynamic
+ && !h->ref_dynamic
&& h->root.type != bfd_link_hash_undefweak
&& h->root.type != bfd_link_hash_undefined)
{
a procedure linkage table, and we can just do a PCREL
reloc instead. */
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
}
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)
+ if (h->u.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;
+ BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
+ || h->u.weakdef->root.type == bfd_link_hash_defweak);
+ h->root.u.def.section = h->u.weakdef->root.u.def.section;
+ h->root.u.def.value = h->u.weakdef->root.u.def.value;
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)
+ if (!h->non_got_ref)
return TRUE;
/* If -z nocopyreloc was given, we won't generate them either. */
if (info->nocopyreloc)
{
- h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 0;
return TRUE;
}
the copy reloc. */
if (p == NULL)
{
- h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 0;
return TRUE;
}
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. */
-
+
htab = m32r_elf_hash_table (info);
s = htab->sdynbss;
BFD_ASSERT (s != NULL);
-
+
/* We must generate a R_M32R_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
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
{
asection *srel;
-
+
srel = htab->srelbss;
BFD_ASSERT (srel != NULL);
- srel->_raw_size += sizeof (Elf32_External_Rela);
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
+ srel->size += sizeof (Elf32_External_Rela);
+ h->needs_copy = 1;
}
-
+
/* 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 > 3)
power_of_two = 3;
-
+
/* 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))
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;
-
+ 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;
}
-/* 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))
-
/* Allocate space in .plt, .got and associated reloc sections for
dynamic relocs. */
-
+
static bfd_boolean
allocate_dynrelocs (h, inf)
struct elf_link_hash_entry *h;
struct elf_m32r_link_hash_table *htab;
struct elf_m32r_link_hash_entry *eh;
struct elf_m32r_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;
-
+
info = (struct bfd_link_info *) inf;
htab = m32r_elf_hash_table (info);
-
+
eh = (struct elf_m32r_link_hash_entry *) h;
// if ((h->got.refcount > 0
-// || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
+// || h->forced_local)
// && eh->gotplt_refcount > 0)
// {
// /* The symbol has been forced local, or we have some direct got refs,
// if (h->plt.refcount >= eh->gotplt_refcount)
// h->plt.refcount -= eh->gotplt_refcount;
// }
-
+
if (htab->root.dynamic_sections_created
&& h->plt.refcount > 0)
{
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
-
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h))
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
{
asection *s = htab->splt;
-
+
/* If this is the first .plt entry, make room for the special
first entry. */
- if (s->_raw_size == 0)
- s->_raw_size += PLT_ENTRY_SIZE;
-
- h->plt.offset = s->_raw_size;
-
+ if (s->size == 0)
+ s->size += PLT_ENTRY_SIZE;
+
+ h->plt.offset = s->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->def_regular)
{
h->root.u.def.section = s;
h->root.u.def.value = h->plt.offset;
}
-
+
/* 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 .got.plt section, which
will be placed in the .got section by the linker script. */
- htab->sgotplt->_raw_size += 4;
-
+ htab->sgotplt->size += 4;
+
/* We also need to make an entry in the .rel.plt section. */
- htab->srelplt->_raw_size += sizeof (Elf32_External_Rela);
+ htab->srelplt->size += sizeof (Elf32_External_Rela);
}
else
{
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
}
}
else
{
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
}
-
+
if (h->got.refcount > 0)
{
asection *s;
bfd_boolean dyn;
-
+
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
-
+
s = htab->sgot;
- h->got.offset = s->_raw_size;
- s->_raw_size += 4;
+ h->got.offset = s->size;
+ s->size += 4;
dyn = htab->root.dynamic_sections_created;
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h))
- htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
+ htab->srelgot->size += sizeof (Elf32_External_Rela);
}
else
h->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
if (info->shared)
{
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
- && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
+ if (h->def_regular
+ && (h->forced_local
|| info->symbolic))
{
struct elf_m32r_dyn_relocs **pp;
/* 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)
+
+ if (!h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
|| (htab->root.dynamic_sections_created
&& (h->root.type == bfd_link_hash_undefweak
|| h->root.type == bfd_link_hash_undefined))))
/* 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)
+ && !h->forced_local)
{
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
+ 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);
+ sreloc->size += p->count * sizeof (Elf32_External_Rela);
}
-
+
return TRUE;
}
/* Find any dynamic relocs that apply to read-only sections. */
-
+
static bfd_boolean
readonly_dynrelocs (h, inf)
struct elf_link_hash_entry *h;
}
/* Set the sizes of the dynamic sections. */
-
+
static bfd_boolean
m32r_elf_size_dynamic_sections (output_bfd, info)
bfd *output_bfd ATTRIBUTE_UNUSED;
{
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;
}
}
else if (p->count != 0)
{
srel = elf_section_data (p->sec)->sreloc;
- srel->_raw_size += p->count * sizeof (Elf32_External_Rela);
+ srel->size += p->count * sizeof (Elf32_External_Rela);
if ((p->sec->output_section->flags & SEC_READONLY) != 0)
info->flags |= DF_TEXTREL;
}
{
if (*local_got > 0)
{
- *local_got = s->_raw_size;
- s->_raw_size += 4;
+ *local_got = s->size;
+ s->size += 4;
if (info->shared)
- srel->_raw_size += sizeof (Elf32_External_Rela);
+ srel->size += sizeof (Elf32_External_Rela);
}
else
*local_got = (bfd_vma) -1;
}
else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
{
- if (s->_raw_size != 0 && s != htab->srelplt)
+ if (s->size != 0 && s != htab->srelplt)
relocs = TRUE;
/* We use the reloc_count field as a counter if we need
continue;
}
- if (s->_raw_size == 0)
+ if (s->size == 0)
{
/* If we don't need this section, strip it from the
output file. This is mostly to handle .rela.bss and
adjust_dynamic_symbol is called, and it is that
function which decides whether anything needs to go
into these sections. */
- _bfd_strip_section_from_output (info, s);
+ s->flags |= SEC_EXCLUDE;
continue;
}
section's contents are written out. This should not happen,
but this way if it does, we get a R_M32R_NONE reloc instead
of garbage. */
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
if (s->contents == NULL)
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_elf32_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
if (! info->shared)
{
return FALSE;
}
- if (htab->splt->_raw_size != 0)
+ if (htab->splt->size != 0)
{
if (! add_dynamic_entry (DT_PLTGOT, 0)
|| ! add_dynamic_entry (DT_PLTRELSZ, 0)
bfd *dynobj;
bfd_vma *local_got_offsets;
asection *sgot, *splt, *sreloc;
+ bfd_vma high_address = bfd_get_section_limit (input_bfd, input_section);
dynobj = htab->root.dynobj;
local_got_offsets = elf_local_got_offsets (input_bfd);
-
+
sgot = htab->sgot;
splt = htab->splt;
sreloc = NULL;
r_type = ELF32_R_TYPE (rel->r_info);
if (r_type < 0 || r_type >= (int) R_M32R_max)
{
- (*_bfd_error_handler) (_("%s: unknown relocation type %d"),
- bfd_archive_filename (input_bfd),
+ (*_bfd_error_handler) (_("%B: unknown relocation type %d"),
+ input_bfd,
(int) r_type);
bfd_set_error (bfd_error_bad_value);
ret = FALSE;
howto = m32r_elf_howto_table + r_type;
r_symndx = ELF32_R_SYM (rel->r_info);
- if (info->relocatable && (use_rel == TRUE))
+ if (info->relocatable && use_rel)
{
/* This is a relocatable link. We don't have to change
anything, unless the reloc is against a section symbol,
sec = local_sections[r_symndx];
sym_name = "<local symbol>";
- if (use_rel == FALSE)
+ if (!use_rel)
{
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
addend = rel->r_addend;
section symbol winds up in the output section. */
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
rel->r_addend += sec->output_offset + sym->st_value;
-
+
continue;
}
}
else
{
/* External symbol. */
- if (info->relocatable && (use_rel == FALSE))
+ if (info->relocatable && !use_rel)
continue;
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|| r_type == R_M32R_GOT16_HI_ULO
|| r_type == R_M32R_GOT16_HI_SLO
|| r_type == R_M32R_GOT16_LO)
- && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
+ && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ info->shared, h)
&& (! info->shared
|| (! info->symbolic && h->dynindx != -1)
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
+ || !h->def_regular))
|| (info->shared
&& ((! info->symbolic && h->dynindx != -1)
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ || !h->def_regular)
&& (((r_type == R_M32R_16_RELA
|| r_type == R_M32R_32_RELA
|| r_type == R_M32R_24_RELA
|| r_type == R_M32R_HI16_ULO_RELA
|| r_type == R_M32R_HI16_SLO_RELA
|| r_type == R_M32R_LO16_RELA)
- && (h->elf_link_hash_flags
- & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
|| r_type == R_M32R_10_PCREL_RELA
|| r_type == R_M32R_18_PCREL_RELA
|| r_type == R_M32R_26_PCREL_RELA)
&& ((input_section->flags & SEC_ALLOC) != 0
/* DWARF will emit R_M32R_16(24,32) relocations
- in its sections against symbols defined
+ in its sections against symbols defined
externally in shared libraries. We can't do
anything with them here. */
|| ((input_section->flags & SEC_DEBUGGING) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0))))
+ && h->def_dynamic))))
{
/* In these cases, we don't need the relocation
value. We check specially because in some
}
else if (h->root.type == bfd_link_hash_undefweak)
relocation = 0;
- else if (info->shared
- && (!info->symbolic)
+ else if (info->unresolved_syms_in_objects == RM_IGNORE
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
relocation = 0;
else
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
input_section, offset,
- (!info->shared
+ (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
|| ELF_ST_VISIBILITY (h->other)))))
return FALSE;
relocation = 0;
}
/* Sanity check the address. */
- if (offset > input_section->_raw_size)
+ if (offset > high_address)
{
r = bfd_reloc_outofrange;
goto check_reloc;
switch ((int) r_type)
{
+ case R_M32R_GOTOFF:
+ /* Relocation is relative to the start of the global offset
+ table (for ld24 rx, #uimm24). eg access at label+addend
+
+ ld24 rx. #label@GOTOFF + addend
+ sub rx, r12. */
+
+ BFD_ASSERT (sgot != NULL);
+
+ relocation = -(relocation - sgot->output_section->vma);
+ rel->r_addend = -rel->r_addend;
+ break;
+
+ case R_M32R_GOTOFF_HI_ULO:
+ case R_M32R_GOTOFF_HI_SLO:
+ case R_M32R_GOTOFF_LO:
+ BFD_ASSERT (sgot != NULL);
+
+ relocation -= sgot->output_section->vma;
+
+ if ((r_type == R_M32R_GOTOFF_HI_SLO)
+ && ((relocation + rel->r_addend) & 0x8000))
+ rel->r_addend += 0x10000;
+ break;
+
case R_M32R_GOTPC24:
/* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
ld24 rx,#_GLOBAL_OFFSET_TABLE_
case R_M32R_GOTPC_HI_ULO:
case R_M32R_GOTPC_HI_SLO:
- case R_M32R_GOTPC_LO:
+ case R_M32R_GOTPC_LO:
{
/* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
bl .+4
relocation -= (input_section->output_section->vma
+ input_section->output_offset
+ rel->r_offset);
- if ((r_type == R_M32R_GOTPC_HI_SLO)
+ if ((r_type == R_M32R_GOTPC_HI_SLO)
&& ((relocation + rel->r_addend) & 0x8000))
rel->r_addend += 0x10000;
}
case R_M32R_GOT16_HI_ULO:
case R_M32R_GOT16_HI_SLO:
- case R_M32R_GOT16_LO:
+ case R_M32R_GOT16_LO:
/* Fall through. */
case R_M32R_GOT24:
/* Relocation is to the entry for this symbol in the global
offset table. */
BFD_ASSERT (sgot != NULL);
-
+
if (h != NULL)
{
bfd_boolean dyn;
bfd_vma off;
-
+
off = h->got.offset;
BFD_ASSERT (off != (bfd_vma) -1);
dyn = htab->root.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
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
+ || h->forced_local)
+ && h->def_regular))
{
/* This is actually a static link, or it is a
-Bsymbolic link and the symbol is defined
offset must always be a multiple of 4, we use the
least significant bit to record whether we have
initialized it already.
-
+
When doing a dynamic link, we create a .rela.got
relocation entry to initialize the value. This
is done in the finish_dynamic_symbol routine. */
h->got.offset |= 1;
}
}
-
+
relocation = sgot->output_offset + off;
}
else
{
bfd_vma off;
bfd_byte *loc;
-
+
BFD_ASSERT (local_got_offsets != NULL
&& local_got_offsets[r_symndx] != (bfd_vma) -1);
-
+
off = 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. */
else
{
bfd_put_32 (output_bfd, relocation, sgot->contents + off);
-
+
if (info->shared)
{
asection *srelgot;
Elf_Internal_Rela outrel;
-
+
/* We need to generate a R_M32R_RELATIVE reloc
for the dynamic linker. */
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
BFD_ASSERT (srelgot != NULL);
-
+
outrel.r_offset = (sgot->output_section->vma
+ sgot->output_offset
+ off);
bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
++srelgot->reloc_count;
}
-
+
local_got_offsets[r_symndx] |= 1;
}
-
+
relocation = sgot->output_offset + off;
}
if ((r_type == R_M32R_GOT16_HI_SLO)
rel->r_addend += 0x10000;
break;
-
+
case R_M32R_26_PLTREL:
/* Relocation is to the entry for this symbol in the
procedure linkage table. */
-
+
/* The native assembler will generate a 26_PLTREL reloc
for a local symbol if you assemble a call from one
section to another when using -K pic. */
//if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
// || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
// break;
- if (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)
+ if (h->forced_local)
break;
if (h->plt.offset == (bfd_vma) -1)
using -Bsymbolic. */
break;
}
-
+
relocation = (splt->output_section->vma
+ splt->output_offset
+ h->plt.offset);
break;
-
+
case R_M32R_HI16_SLO_RELA:
{
if ((relocation + rel->r_addend) & 0x8000)
case R_M32R_26_PCREL_RELA:
case R_M32R_HI16_ULO_RELA:
case R_M32R_LO16_RELA:
- case R_M32R_SDA16_RELA:
if (info->shared
&& r_symndx != 0
&& (input_section->flags & SEC_ALLOC) != 0
|| (h != NULL
&& h->dynindx != -1
&& (! info->symbolic
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
+ || !h->def_regular))))
{
Elf_Internal_Rela outrel;
bfd_boolean skip, relocate;
bfd_byte *loc;
-
+
/* 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 (dynobj, name);
BFD_ASSERT (sreloc != NULL);
}
-
+
skip = FALSE;
relocate = FALSE;
-
+
outrel.r_offset = _bfd_elf_section_offset (output_bfd,
info,
input_section,
skip = TRUE, relocate = TRUE;
outrel.r_offset += (input_section->output_section->vma
+ input_section->output_offset);
-
+
if (skip)
memset (&outrel, 0, sizeof outrel);
else if (r_type == R_M32R_18_PCREL_RELA
become local. */
if (h == NULL
|| ((info->symbolic || h->dynindx == -1)
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) != 0))
+ && h->def_regular))
{
relocate = TRUE;
outrel.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
continue;
}
break;
-
+
case (int) R_M32R_10_PCREL :
r = m32r_elf_do_10_pcrel_reloc (input_bfd, howto, input_section,
contents, offset,
goto check_reloc;
+ case (int) R_M32R_SDA16_RELA:
case (int) R_M32R_SDA16 :
{
const char *name;
else
{
(*_bfd_error_handler)
- (_("%s: The target (%s) of an %s relocation is in the wrong section (%s)"),
- bfd_archive_filename (input_bfd),
+ (_("%B: The target (%s) of an %s relocation is in the wrong section (%A)"),
+ input_bfd,
+ sec,
sym_name,
- m32r_elf_howto_table[(int) r_type].name,
- bfd_get_section_name (abfd, sec));
+ m32r_elf_howto_table[(int) r_type].name);
/*bfd_set_error (bfd_error_bad_value); ??? why? */
ret = FALSE;
continue;
{
case bfd_reloc_overflow:
if (! ((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, offset)))
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, offset)))
return FALSE;
break;
struct elf_m32r_link_hash_table *htab;
bfd *dynobj;
bfd_byte *loc;
-
+
#ifdef DEBUG_PIC
printf("m32r_elf_finish_dynamic_symbol()\n");
#endif
-
+
htab = m32r_elf_hash_table (info);
dynobj = htab->root.dynobj;
bfd_vma plt_index;
bfd_vma got_offset;
Elf_Internal_Rela rela;
-
+
/* This symbol has an entry in the procedure linkage table. Set
it up. */
-
+
BFD_ASSERT (h->dynindx != -1);
-
+
splt = htab->splt;
sgot = htab->sgotplt;
srela = htab->srelplt;
+ (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)),
splt->contents + h->plt.offset + 16);
}
-
+
/* Fill in the entry in the global offset table. */
bfd_put_32 (output_bfd,
(splt->output_section->vma
loc = srela->contents;
loc += plt_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)
+
+ if (!h->def_regular)
{
/* Mark the symbol as undefined, rather than as defined in
the .plt section. Leave the value alone. */
asection *sgot;
asection *srela;
Elf_Internal_Rela rela;
-
+
/* This symbol has an entry in the global offset table. Set it
up. */
-
+
sgot = htab->sgot;
srela = htab->srelgot;
BFD_ASSERT (sgot != NULL && srela != NULL);
-
+
rela.r_offset = (sgot->output_section->vma
+ sgot->output_offset
+ (h->got.offset &~ 1));
-
+
/* If this is a -Bsymbolic link, and the symbol is defined
locally, we just want to emit a RELATIVE reloc. Likewise if
the symbol was forced to be local because of a version file.
if (info->shared
&& (info->symbolic
|| h->dynindx == -1
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+ || h->forced_local)
+ && h->def_regular)
{
rela.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
rela.r_addend = (h->root.u.def.value
rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_GLOB_DAT);
rela.r_addend = 0;
}
-
+
loc = srela->contents;
loc += srela->reloc_count * sizeof(Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
++srela->reloc_count;
}
-
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
+
+ if (h->needs_copy)
{
asection *s;
Elf_Internal_Rela rela;
-
+
/* This symbols needs a copy reloc. Set it up. */
-
+
BFD_ASSERT (h->dynindx != -1
&& (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak));
-
+
s = bfd_get_section_by_name (h->root.u.def.section->owner,
".rela.bss");
BFD_ASSERT (s != NULL);
-
+
rela.r_offset = (h->root.u.def.value
+ h->root.u.def.section->output_section->vma
+ h->root.u.def.section->output_offset);
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
++s->reloc_count;
}
-
+
/* Mark some specially defined symbols as absolute. */
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
|| strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
sym->st_shndx = SHN_ABS;
-
+
return TRUE;
}
/* Finish up the dynamic sections. */
-
+
static bfd_boolean
m32r_elf_finish_dynamic_sections (output_bfd, info)
bfd *output_bfd;
#ifdef DEBUG_PIC
printf("m32r_elf_finish_dynamic_sections()\n");
#endif
-
+
htab = m32r_elf_hash_table (info);
dynobj = htab->root.dynobj;
sgot = htab->sgotplt;
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
-
+
if (htab->root.dynamic_sections_created)
{
asection *splt;
Elf32_External_Dyn *dyncon, *dynconend;
-
+
BFD_ASSERT (sgot != NULL && sdyn != NULL);
-
+
dyncon = (Elf32_External_Dyn *) sdyn->contents;
- dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
for (; dyncon < dynconend; dyncon++)
{
Elf_Internal_Dyn dyn;
const char *name;
asection *s;
-
+
bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
-
+
switch (dyn.d_tag)
{
default:
case DT_PLTGOT:
name = ".got";
- s = htab->sgot->output_section;
+ s = htab->sgot->output_section;
goto get_vma;
case DT_JMPREL:
name = ".rela.plt";
case DT_PLTRELSZ:
s = htab->srelplt->output_section;
BFD_ASSERT (s != NULL);
- 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_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
if (htab->srelplt != NULL)
{
s = htab->srelplt->output_section;
- 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_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
}
}
-
+
/* Fill in the first entry in the procedure linkage table. */
splt = htab->splt;
- if (splt && splt->_raw_size > 0)
+ if (splt && splt->size > 0)
{
if (info->shared)
{
bfd_put_32 (output_bfd,
PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff),
splt->contents);
- bfd_put_32 (output_bfd,
+ bfd_put_32 (output_bfd,
PLT0_ENTRY_WORD1 | (addr & 0xffff),
splt->contents + 4);
bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8);
}
/* Fill in the first three entries in the global offset table. */
- if (sgot && sgot->_raw_size > 0)
+ if (sgot && sgot->size > 0)
{
if (sdyn == NULL)
bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
}
-
- return TRUE;
-}
-
-\f
-#if 0 /* relaxing not supported yet */
-
-/* This function handles relaxing for the m32r.
- Relaxing on the m32r is tricky because of instruction alignment
- requirements (4 byte instructions must be aligned on 4 byte boundaries).
-
- The following relaxing opportunities are handled:
-
- seth/add3/jl -> bl24 or bl8
- seth/add3 -> ld24
-
- It would be nice to handle bl24 -> bl8 but given:
-
- - 4 byte insns must be on 4 byte boundaries
- - branch instructions only branch to insns on 4 byte boundaries
-
- this isn't much of a win because the insn in the 2 "deleted" bytes
- must become a nop. With some complexity some real relaxation could be
- done but the frequency just wouldn't make it worth it; it's better to
- try to do all the code compaction one can elsewhere.
- When the chip supports parallel 16 bit insns, things may change.
-*/
-
-static bfd_boolean
-m32r_elf_relax_section (abfd, sec, link_info, again)
- bfd *abfd;
- asection *sec;
- struct bfd_link_info *link_info;
- bfd_boolean *again;
-{
- Elf_Internal_Shdr *symtab_hdr;
- /* The Rela structures are used here because that's what
- _bfd_elf_link_read_relocs uses [for convenience - it sets the addend
- field to 0]. */
- Elf_Internal_Rela *internal_relocs = NULL;
- Elf_Internal_Rela *irel, *irelend;
- bfd_byte *contents = NULL;
- Elf_Internal_Sym *isymbuf = NULL;
-
- /* Assume nothing changes. */
- *again = FALSE;
-
- /* We don't have to do anything for a relocatable link, if
- this section does not have relocs, or if this is not a
- code section. */
- if (link_info->relocatable
- || (sec->flags & SEC_RELOC) == 0
- || sec->reloc_count == 0
- || (sec->flags & SEC_CODE) == 0
- || 0 /* FIXME: check SHF_M32R_CAN_RELAX */)
- return TRUE;
-
- /* If this is the first time we have been called for this section,
- initialize the cooked size. */
- if (sec->_cooked_size == 0)
- sec->_cooked_size = sec->_raw_size;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
-
- /* Get a copy of the native relocations. */
- internal_relocs = (_bfd_elf_link_read_relocs
- (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
- link_info->keep_memory));
- if (internal_relocs == NULL)
- goto error_return;
-
- /* Walk through them looking for relaxing opportunities. */
- irelend = internal_relocs + sec->reloc_count;
- for (irel = internal_relocs; irel < irelend; irel++)
- {
- bfd_vma symval;
-
- /* If this isn't something that can be relaxed, then ignore
- this reloc. */
- if (ELF32_R_TYPE (irel->r_info) != (int) R_M32R_HI16_SLO)
- continue;
-
- /* Get the section contents if we haven't done so already. */
- if (contents == NULL)
- {
- /* Get cached copy if it exists. */
- if (elf_section_data (sec)->this_hdr.contents != NULL)
- contents = elf_section_data (sec)->this_hdr.contents;
- else
- {
- /* Go get them off disk. */
- contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
- if (contents == NULL)
- goto error_return;
-
- if (! bfd_get_section_contents (abfd, sec, contents,
- (file_ptr) 0, sec->_raw_size))
- goto error_return;
- }
- }
-
- /* Read this BFD's local symbols if we haven't done so already. */
- if (isymbuf == NULL && symtab_hdr->sh_info != 0)
- {
- 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 == NULL)
- goto error_return;
- }
-
- /* 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;
- asection *sym_sec;
-
- isym = isymbuf + ELF32_R_SYM (irel->r_info),
- sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
- symval = (isym->st_value
- + sym_sec->output_section->vma
- + sym_sec->output_offset);
- }
- else
- {
- unsigned long indx;
- struct elf_link_hash_entry *h;
-
- /* An external symbol. */
- indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
- h = elf_sym_hashes (abfd)[indx];
- BFD_ASSERT (h != NULL);
- if (h->root.type != bfd_link_hash_defined
- && h->root.type != bfd_link_hash_defweak)
- {
- /* This appears to be a reference to an undefined
- symbol. Just ignore it--it will be caught by the
- regular reloc processing. */
- continue;
- }
-
- symval = (h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset);
- }
-
- /* For simplicity of coding, we are going to modify the section
- contents, the section relocs, and the BFD symbol table. We
- must tell the rest of the code not to free up this
- information. It would be possible to instead create a table
- of changes which have to be made, as is done in coff-mips.c;
- that would be more work, but would require less memory when
- the linker is run. */
-
- /* Try to change a seth/add3/jl subroutine call to bl24 or bl8.
- This sequence is generated by the compiler when compiling in
- 32 bit mode. Also look for seth/add3 -> ld24. */
-
- if (ELF32_R_TYPE (irel->r_info) == (int) R_M32R_HI16_SLO)
- {
- Elf_Internal_Rela *nrel;
- bfd_vma pc = (sec->output_section->vma + sec->output_offset
- + irel->r_offset);
- bfd_signed_vma pcrel_value = symval - pc;
- unsigned int code,reg;
- int addend,nop_p,bl8_p,to_delete;
-
- /* The tests are ordered so that we get out as quickly as possible
- if this isn't something we can relax, taking into account that
- we are looking for two separate possibilities (jl/ld24). */
-
- /* Do nothing if no room in the section for this to be what we're
- looking for. */
- if (irel->r_offset > sec->_cooked_size - 8)
- continue;
-
- /* Make sure the next relocation applies to the next
- instruction and that it's the add3's reloc. */
- nrel = irel + 1;
- if (nrel == irelend
- || irel->r_offset + 4 != nrel->r_offset
- || ELF32_R_TYPE (nrel->r_info) != (int) R_M32R_LO16)
- continue;
-
- /* See if the instructions are seth/add3. */
- /* FIXME: This is where macros from cgen can come in. */
- code = bfd_get_16 (abfd, contents + irel->r_offset + 0);
- if ((code & 0xf0ff) != 0xd0c0)
- continue; /* not seth rN,foo */
- reg = (code & 0x0f00) >> 8;
- code = bfd_get_16 (abfd, contents + irel->r_offset + 4);
- if (code != (0x80a0 | reg | (reg << 8)))
- continue; /* not add3 rN,rN,foo */
-
- /* At this point we've confirmed we have seth/add3. Now check
- whether the next insn is a jl, in which case try to change this
- to bl24 or bl8. */
-
- /* Ensure the branch target is in range.
- The bl24 instruction has a 24 bit operand which is the target
- address right shifted by 2, giving a signed range of 26 bits.
- Note that 4 bytes are added to the high value because the target
- will be at least 4 bytes closer if we can relax. It'll actually
- be 4 or 8 bytes closer, but we don't know which just yet and
- the difference isn't significant enough to worry about. */
-#if !USE_REL /* put in for learning purposes */
- pcrel_value += irel->r_addend;
-#else
- addend = bfd_get_signed_16 (abfd, contents + irel->r_offset + 2);
- pcrel_value += addend;
-#endif
-
- if (pcrel_value >= -(1 << 25) && pcrel_value < (1 << 25) + 4
- /* Do nothing if no room in the section for this to be what we're
- looking for. */
- && (irel->r_offset <= sec->_cooked_size - 12)
- /* Ensure the next insn is "jl rN". */
- && ((code = bfd_get_16 (abfd, contents + irel->r_offset + 8)),
- code != (0x1ec0 | reg)))
- {
- /* We can relax to bl24/bl8. */
-
- /* See if there's a nop following the jl.
- Also see if we can use a bl8 insn. */
- code = bfd_get_16 (abfd, contents + irel->r_offset + 10);
- nop_p = (code & 0x7fff) == NOP_INSN;
- bl8_p = pcrel_value >= -0x200 && pcrel_value < 0x200;
-
- if (bl8_p)
- {
- /* Change "seth rN,foo" to "bl8 foo || nop".
- We OR in CODE just in case it's not a nop (technically,
- CODE currently must be a nop, but for cleanness we
- allow it to be anything). */
-#if !USE_REL /* put in for learning purposes */
- code = 0x7e000000 | MAKE_PARALLEL (code);
-#else
- code = (0x7e000000 + (((addend >> 2) & 0xff) << 16)) | MAKE_PARALLEL (code);
-#endif
- to_delete = 8;
- }
- else
- {
- /* Change the seth rN,foo to a bl24 foo. */
-#if !USE_REL /* put in for learning purposes */
- code = 0xfe000000;
-#else
- code = 0xfe000000 + ((addend >> 2) & 0xffffff);
-#endif
- to_delete = nop_p ? 8 : 4;
- }
-
- bfd_put_32 (abfd, code, contents + irel->r_offset);
-
- /* Set the new reloc type. */
- irel->r_info = ELF32_R_INFO (ELF32_R_SYM (nrel->r_info),
- bl8_p ? R_M32R_10_PCREL : R_M32R_26_PCREL);
-
- /* Delete the add3 reloc by making it a null reloc. */
- nrel->r_info = ELF32_R_INFO (ELF32_R_SYM (nrel->r_info),
- R_M32R_NONE);
- }
- else if (addend >= 0
- && symval + addend <= 0xffffff)
- {
- /* We can relax to ld24. */
-
- code = 0xe0000000 | (reg << 24) | (addend & 0xffffff);
- bfd_put_32 (abfd, code, contents + irel->r_offset);
- to_delete = 4;
- /* Tell the following code a nop filler isn't needed. */
- nop_p = 1;
- }
- else
- {
- /* Can't do anything here. */
- continue;
- }
-
- /* Note that we've changed the relocs, section contents, etc. */
- elf_section_data (sec)->relocs = internal_relocs;
- elf_section_data (sec)->this_hdr.contents = contents;
- symtab_hdr->contents = (unsigned char *) isymbuf;
-
- /* Delete TO_DELETE bytes of data. */
- if (!m32r_elf_relax_delete_bytes (abfd, sec,
- irel->r_offset + 4, to_delete))
- goto error_return;
-
- /* Now that the following bytes have been moved into place, see if
- we need to replace the jl with a nop. This happens when we had
- to use a bl24 insn and the insn following the jl isn't a nop.
- Technically, this situation can't happen (since the insn can
- never be executed) but to be clean we do this. When the chip
- supports parallel 16 bit insns things may change.
- We don't need to do this in the case of relaxing to ld24,
- and the above code sets nop_p so this isn't done. */
- if (! nop_p && to_delete == 4)
- bfd_put_16 (abfd, NOP_INSN, contents + irel->r_offset + 4);
-
- /* That will change things, so we should relax again.
- Note that this is not required, and it may be slow. */
- *again = TRUE;
-
- continue;
- }
-
- /* loop to try the next reloc */
- }
-
- 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 (sec)->this_hdr.contents != contents)
- {
- if (! link_info->keep_memory)
- free (contents);
- else
- {
- /* Cache the section contents for elf_link_input_bfd. */
- elf_section_data (sec)->this_hdr.contents = contents;
- }
- }
-
- if (internal_relocs != NULL
- && elf_section_data (sec)->relocs != internal_relocs)
- free (internal_relocs);
return TRUE;
-
- error_return:
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
- free (isymbuf);
- if (contents != NULL
- && elf_section_data (sec)->this_hdr.contents != contents)
- free (contents);
- if (internal_relocs != NULL
- && elf_section_data (sec)->relocs != internal_relocs)
- free (internal_relocs);
-
- return FALSE;
}
-/* Delete some bytes from a section while relaxing. */
-
-static bfd_boolean
-m32r_elf_relax_delete_bytes (abfd, sec, addr, count)
- bfd *abfd;
- asection *sec;
- bfd_vma addr;
- int count;
-{
- Elf_Internal_Shdr *symtab_hdr;
- int shndx;
- bfd_byte *contents;
- Elf_Internal_Rela *irel, *irelend;
- Elf_Internal_Rela *irelalign;
- bfd_vma toaddr;
- Elf_Internal_Sym *isym, *isymend;
- struct elf_link_hash_entry **sym_hashes;
- struct elf_link_hash_entry **end_hashes;
- unsigned int symcount;
-
- shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
-
- contents = elf_section_data (sec)->this_hdr.contents;
-
- /* The deletion must stop at the next ALIGN reloc for an aligment
- power larger than the number of bytes we are deleting. */
-
- irelalign = NULL;
- toaddr = sec->_cooked_size;
-
- irel = elf_section_data (sec)->relocs;
- irelend = irel + sec->reloc_count;
-
- /* Actually delete the bytes. */
- memmove (contents + addr, contents + addr + count, toaddr - addr - count);
- sec->_cooked_size -= count;
-
- /* Adjust all the relocs. */
- for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
- {
- /* Get the new reloc address. */
- if ((irel->r_offset > addr
- && irel->r_offset < toaddr))
- irel->r_offset -= count;
- }
-
- /* Adjust the local symbols defined in this section. */
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- isym = (Elf_Internal_Sym *) symtab_hdr->contents;
- for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
- {
- if (isym->st_shndx == shndx
- && isym->st_value > addr
- && isym->st_value < toaddr)
- isym->st_value -= count;
- }
-
- /* Now adjust the global symbols defined in this section. */
- symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
- - symtab_hdr->sh_info);
- sym_hashes = elf_sym_hashes (abfd);
- end_hashes = sym_hashes + symcount;
- for (; sym_hashes < end_hashes; sym_hashes++)
- {
- struct elf_link_hash_entry *sym_hash = *sym_hashes;
-
- if ((sym_hash->root.type == bfd_link_hash_defined
- || sym_hash->root.type == bfd_link_hash_defweak)
- && sym_hash->root.u.def.section == sec
- && sym_hash->root.u.def.value > addr
- && sym_hash->root.u.def.value < toaddr)
- {
- sym_hash->root.u.def.value -= count;
- }
- }
-
- return TRUE;
-}
-
-/* This is a version of bfd_generic_get_relocated_section_contents
- which uses m32r_elf_relocate_section. */
-
-static bfd_byte *
-m32r_elf_get_relocated_section_contents (output_bfd, link_info, link_order,
- data, relocatable, symbols)
- bfd *output_bfd;
- struct bfd_link_info *link_info;
- struct bfd_link_order *link_order;
- bfd_byte *data;
- bfd_boolean relocatable;
- asymbol **symbols;
-{
- Elf_Internal_Shdr *symtab_hdr;
- asection *input_section = link_order->u.indirect.section;
- bfd *input_bfd = input_section->owner;
- asection **sections = NULL;
- Elf_Internal_Rela *internal_relocs = NULL;
- Elf_Internal_Sym *isymbuf = NULL;
- bfd_size_type amt;
-
- /* We only need to handle the case of relaxing, or of having a
- particular set of section contents, specially. */
- if (relocatable
- || elf_section_data (input_section)->this_hdr.contents == NULL)
- return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
- link_order, data,
- relocatable,
- symbols);
-
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
-
- memcpy (data, elf_section_data (input_section)->this_hdr.contents,
- input_section->_raw_size);
-
- if ((input_section->flags & SEC_RELOC) != 0
- && input_section->reloc_count > 0)
- {
- Elf_Internal_Sym *isymp;
- asection **secpp;
- Elf32_External_Sym *esym, *esymend;
-
- internal_relocs = (_bfd_elf_link_read_relocs
- (input_bfd, input_section, (PTR) NULL,
- (Elf_Internal_Rela *) NULL, FALSE));
- if (internal_relocs == NULL)
- goto error_return;
-
- if (symtab_hdr->sh_info != 0)
- {
- isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
- if (isymbuf == NULL)
- isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
- symtab_hdr->sh_info, 0,
- NULL, NULL, NULL);
- if (isymbuf == NULL)
- goto error_return;
- }
-
- amt = symtab_hdr->sh_info;
- amt *= sizeof (asection *);
- sections = (asection **) bfd_malloc (amt);
- if (sections == NULL && symtab_hdr->sh_info > 0)
- goto error_return;
-
- isymend = isymbuf + symtab_hdr->sh_info;
- for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
- {
- asection *isec;
-
- if (isym->st_shndx == SHN_UNDEF)
- isec = bfd_und_section_ptr;
- else if (isym->st_shndx == SHN_ABS)
- isec = bfd_abs_section_ptr;
- else if (isym->st_shndx == SHN_COMMON)
- isec = bfd_com_section_ptr;
- else if (isym->st_shndx == SHN_M32R_SCOMMON)
- isec = &m32r_elf_scom_section;
- else
- isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
-
- *secpp = isec;
- }
-
- if (! m32r_elf_relocate_section (output_bfd, link_info, input_bfd,
- input_section, data, internal_relocs,
- isymbuf, sections))
- goto error_return;
-
- if (sections != NULL)
- free (sections);
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
- free (isymbuf);
- if (elf_section_data (input_section)->relocs != internal_relocs)
- free (internal_relocs);
- }
-
- return data;
-
- error_return:
- if (sections != NULL)
- free (sections);
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
- free (isymbuf);
- if (internal_relocs != NULL
- && elf_section_data (input_section)->relocs != internal_relocs)
- free (internal_relocs);
- return NULL;
-}
-
-#endif /* #if 0 */
\f
/* Set the right machine number. */
static bfd_boolean
|| ((in_flags & EF_M32R_ARCH) == E_M32R2_ARCH))
{
(*_bfd_error_handler)
- (_("%s: Instruction set mismatch with previous modules"),
- bfd_archive_filename (ibfd));
+ (_("%B: Instruction set mismatch with previous modules"), ibfd);
bfd_set_error (bfd_error_bad_value);
return FALSE;
{
FILE * file = (FILE *) ptr;
- BFD_ASSERT (abfd != NULL && ptr != NULL)
+ BFD_ASSERT (abfd != NULL && ptr != NULL);
_bfd_elf_print_private_bfd_data (abfd, ptr);
struct elf_link_hash_entry **sym_hashes;
bfd_signed_vma *local_got_refcounts;
const Elf_Internal_Rela *rel, *relend;
- unsigned long r_symndx;
- struct elf_link_hash_entry *h;
elf_section_data (sec)->local_dynrel = NULL;
relend = relocs + sec->reloc_count;
for (rel = relocs; rel < relend; rel++)
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_M32R_GOT16_HI_ULO:
- case R_M32R_GOT16_HI_SLO:
- case R_M32R_GOT16_LO:
- case R_M32R_GOT24:
- case R_M32R_GOTPC_HI_ULO:
- case R_M32R_GOTPC_HI_SLO:
- case R_M32R_GOTPC_LO:
- case R_M32R_GOTPC24:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts && local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
+ {
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h = NULL;
- case R_M32R_16_RELA:
- case R_M32R_24_RELA:
- case R_M32R_32_RELA:
- case R_M32R_HI16_ULO_RELA:
- case R_M32R_HI16_SLO_RELA:
- case R_M32R_LO16_RELA:
- case R_M32R_SDA16_RELA:
- case R_M32R_18_PCREL_RELA:
- case R_M32R_26_PCREL_RELA:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct elf_m32r_link_hash_entry *eh;
- struct elf_m32r_dyn_relocs **pp;
- struct elf_m32r_dyn_relocs *p;
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ 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;
+ }
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_M32R_GOT16_HI_ULO:
+ case R_M32R_GOT16_HI_SLO:
+ case R_M32R_GOT16_LO:
+ case R_M32R_GOTOFF:
+ case R_M32R_GOTOFF_HI_ULO:
+ case R_M32R_GOTOFF_HI_SLO:
+ case R_M32R_GOTOFF_LO:
+ case R_M32R_GOT24:
+ case R_M32R_GOTPC_HI_ULO:
+ case R_M32R_GOTPC_HI_SLO:
+ case R_M32R_GOTPC_LO:
+ case R_M32R_GOTPC24:
+ if (h != NULL)
+ {
+ if (h->got.refcount > 0)
+ h->got.refcount--;
+ }
+ else
+ {
+ if (local_got_refcounts && local_got_refcounts[r_symndx] > 0)
+ local_got_refcounts[r_symndx]--;
+ }
+ break;
+
+ case R_M32R_16_RELA:
+ case R_M32R_24_RELA:
+ case R_M32R_32_RELA:
+ case R_M32R_HI16_ULO_RELA:
+ case R_M32R_HI16_SLO_RELA:
+ case R_M32R_LO16_RELA:
+ case R_M32R_SDA16_RELA:
+ case R_M32R_18_PCREL_RELA:
+ case R_M32R_26_PCREL_RELA:
+ if (h != NULL)
+ {
+ struct elf_m32r_link_hash_entry *eh;
+ struct elf_m32r_dyn_relocs **pp;
+ struct elf_m32r_dyn_relocs *p;
- if (!info->shared && h->plt.refcount > 0)
- h->plt.refcount -= 1;
+ if (!info->shared && h->plt.refcount > 0)
+ h->plt.refcount -= 1;
- eh = (struct elf_m32r_link_hash_entry *) h;
+ eh = (struct elf_m32r_link_hash_entry *) h;
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
- {
- if (ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA
- || ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA)
- p->pc_count -= 1;
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
- }
- }
- break;
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
+ if (p->sec == sec)
+ {
+ if (ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA
+ || ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA)
+ p->pc_count -= 1;
+ p->count -= 1;
+ if (p->count == 0)
+ *pp = p->next;
+ break;
+ }
+ }
+ break;
- case R_M32R_26_PLTREL:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->plt.refcount > 0)
- h->plt.refcount--;
- }
- break;
+ case R_M32R_26_PLTREL:
+ if (h != NULL)
+ {
+ if (h->plt.refcount > 0)
+ h->plt.refcount--;
+ }
+ break;
- default:
- break;
- }
+ default:
+ break;
+ }
+ }
return TRUE;
}
{
case R_M32R_GOT16_HI_ULO:
case R_M32R_GOT16_HI_SLO:
+ case R_M32R_GOTOFF:
+ case R_M32R_GOTOFF_HI_ULO:
+ case R_M32R_GOTOFF_HI_SLO:
+ case R_M32R_GOTOFF_LO:
case R_M32R_GOT16_LO:
case R_M32R_GOTPC24:
case R_M32R_GOTPC_HI_ULO:
{
case R_M32R_GOT16_HI_ULO:
case R_M32R_GOT16_HI_SLO:
- case R_M32R_GOT16_LO:
+ case R_M32R_GOT16_LO:
case R_M32R_GOT24:
if (h != NULL)
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 this is a local symbol, we resolve it directly without
creating a procedure linkage table entry. */
if (h == NULL)
continue;
- if (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)
+ if (h->forced_local)
break;
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 1;
h->plt.refcount += 1;
break;
if (h != NULL && !info->shared)
{
- h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 1;
h->plt.refcount += 1;
}
|| (h != NULL
&& (! info->symbolic
|| h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
+ || !h->def_regular))))
|| (!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)))
+ || !h->def_regular)))
{
struct elf_m32r_dyn_relocs *p;
struct elf_m32r_dyn_relocs **head;
if (sreloc == NULL)
{
const char *name;
-
+
name = (bfd_elf_string_from_elf_section
(abfd,
elf_elfheader (abfd)->e_shstrndx,
elf_section_data (sec)->rel_hdr.sh_name));
if (name == NULL)
return FALSE;
-
+
BFD_ASSERT (strncmp (name, ".rela", 5) == 0
&& strcmp (bfd_get_section_name (abfd, sec),
name + 5) == 0);
-
+
sreloc = bfd_get_section_by_name (dynobj, name);
if (sreloc == NULL)
{
flagword flags;
-
- sreloc = bfd_make_section (dynobj, name);
+
flags = (SEC_HAS_CONTENTS | SEC_READONLY
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
if ((sec->flags & SEC_ALLOC) != 0)
flags |= SEC_ALLOC | SEC_LOAD;
+ sreloc = bfd_make_section_with_flags (dynobj,
+ name,
+ flags);
if (sreloc == NULL
- || ! bfd_set_section_flags (dynobj, sreloc, flags)
|| ! bfd_set_section_alignment (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)
Reconstruct it for later use during GC. */
case R_M32R_RELA_GNU_VTINHERIT:
case R_M32R_GNU_VTINHERIT:
- if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ 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_M32R_GNU_VTENTRY:
- if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_offset))
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
return FALSE;
break;
case R_M32R_RELA_GNU_VTENTRY:
- if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
return FALSE;
break;
}
return TRUE;
}
-static struct bfd_elf_special_section const m32r_elf_special_sections[]=
+static struct bfd_elf_special_section const
+ m32r_elf_special_sections_s[] =
{
{ ".sdata", 6, -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
{ ".sbss", 5, -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
- { NULL, 0, 0, 0, 0 }
+ { NULL, 0, 0, 0, 0 }
+};
+
+static struct bfd_elf_special_section const *
+ m32r_elf_special_sections[27] =
+{
+ NULL, /* 'a' */
+ NULL, /* 'b' */
+ NULL, /* 'c' */
+ NULL, /* 'd' */
+ NULL, /* 'e' */
+ NULL, /* 'f' */
+ NULL, /* 'g' */
+ NULL, /* 'h' */
+ NULL, /* 'i' */
+ NULL, /* 'j' */
+ NULL, /* 'k' */
+ NULL, /* 'l' */
+ NULL, /* 'm' */
+ NULL, /* 'n' */
+ NULL, /* 'o' */
+ NULL, /* 'p' */
+ NULL, /* 'q' */
+ NULL, /* 'r' */
+ m32r_elf_special_sections_s, /* 's' */
+ NULL, /* 't' */
+ NULL, /* 'u' */
+ NULL, /* 'v' */
+ NULL, /* 'w' */
+ NULL, /* 'x' */
+ NULL, /* 'y' */
+ NULL, /* 'z' */
+ NULL /* other */
};
static bfd_boolean
#define elf_backend_fake_sections m32r_elf_fake_sections
#endif
-#if 0 /* not yet */
-/* relax support */
-#define bfd_elf32_bfd_relax_section m32r_elf_relax_section
-#define bfd_elf32_bfd_get_relocated_section_contents \
- m32r_elf_get_relocated_section_contents
-#endif
-
#define elf_backend_object_p m32r_elf_object_p
#define elf_backend_final_write_processing m32r_elf_final_write_processing
#define bfd_elf32_bfd_merge_private_bfd_data m32r_elf_merge_private_bfd_data
projects / deliverable / binutils-gdb.git / blobdiff