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* elf-bfd.h (struct elf_link_hash_entry): Remove linker_section_pointer

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field.
	(enum elf_linker_section_enum): Delete.
	(struct elf_linker_section): Delete.
	(struct elf_linker_section_pointers): Delete.
	(struct elf_obj_tdata): Remove #if 0 chunk.  Remove linker_section.
	Make linker_section_pointers a void**.
	(elf_local_ptr_offsets, elf_linker_section): Don't define.
	* elf32-ppc.c (enum elf_linker_section_enum): New, cut-down version
	of old item in elf-bfd.h.
	(struct elf_linker_section): Likewise.
	(struct elf_linker_section_pointers): Likewise.
	(elf_local_ptr_offsets): Define.
	(struct ppc_elf_link_hash_entry): Add linker_section_pointer.
	(ppc_elf_link_hash_newfunc): Init it.
	(struct ppc_elf_link_hash_table): Add sbss.
	(ppc_elf_link_hash_table_create): zmalloc rather than clearing
	individual fields.
	(elf_create_linker_section): Fold into..
	(ppc_elf_create_linker_section): ..here.  Remove hole_size code.
	Make rela section here if shared.
	(elf_find_pointer_linker_section): Pass lsect rather than enum.
	(elf_create_pointer_linker_section): Adjust.  zalloc rather than
	clearing in a loop.
	(elf_finish_pointer_linker_section): Adjust.  Don't make rela
	section here.
	(ppc_elf_check_relocs): Adjust.
	(ppc_elf_add_symbol_hook): Tighten hash creator test.  Remove code
	creating .sbss by hand.
	* elf.c (_bfd_elf_link_hash_newfunc): Adjust.
This commit is contained in:
Alan Modra 2003-07-07 15:51:57 +00:00
parent fd8f87c5ee
commit 58111eb706
4 changed files with 218 additions and 300 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
bfd/ChangeLog
View File

@ -1,3 +1,36 @@
2003-07-08 Alan Modra <amodra@bigpond.net.au>
* elf-bfd.h (struct elf_link_hash_entry): Remove linker_section_pointer
field.
(enum elf_linker_section_enum): Delete.
(struct elf_linker_section): Delete.
(struct elf_linker_section_pointers): Delete.
(struct elf_obj_tdata): Remove #if 0 chunk. Remove linker_section.
Make linker_section_pointers a void**.
(elf_local_ptr_offsets, elf_linker_section): Don't define.
* elf32-ppc.c (enum elf_linker_section_enum): New, cut-down version
of old item in elf-bfd.h.
(struct elf_linker_section): Likewise.
(struct elf_linker_section_pointers): Likewise.
(elf_local_ptr_offsets): Define.
(struct ppc_elf_link_hash_entry): Add linker_section_pointer.
(ppc_elf_link_hash_newfunc): Init it.
(struct ppc_elf_link_hash_table): Add sbss.
(ppc_elf_link_hash_table_create): zmalloc rather than clearing
individual fields.
(elf_create_linker_section): Fold into..
(ppc_elf_create_linker_section): ..here. Remove hole_size code.
Make rela section here if shared.
(elf_find_pointer_linker_section): Pass lsect rather than enum.
(elf_create_pointer_linker_section): Adjust. zalloc rather than
clearing in a loop.
(elf_finish_pointer_linker_section): Adjust. Don't make rela
section here.
(ppc_elf_check_relocs): Adjust.
(ppc_elf_add_symbol_hook): Tighten hash creator test. Remove code
creating .sbss by hand.
* elf.c (_bfd_elf_link_hash_newfunc): Adjust.
2003-07-04 Jakub Jelinek <jakub@redhat.com>
* elf32-s390.c (elf_howto_table): Change R_390_GOT12 to

68
bfd/elf-bfd.h
View File

@ -118,11 +118,6 @@ struct elf_link_hash_entry
one. Otherwise it is NULL. */
struct elf_link_hash_entry *weakdef;
/* If this symbol is used in the linker created sections, the processor
specific backend uses this field to map the field into the offset
from the beginning of the section. */
struct elf_linker_section_pointers *linker_section_pointer;
/* Version information. */
union
{
@ -1036,52 +1031,6 @@ struct bfd_elf_section_data
#define get_elf_backend_data(abfd) \
((struct elf_backend_data *) (abfd)->xvec->backend_data)
/* Enumeration to specify the special section. */
typedef enum elf_linker_section_enum
{
LINKER_SECTION_UNKNOWN, /* not used */
LINKER_SECTION_GOT, /* .got section for global offset pointers */
LINKER_SECTION_PLT, /* .plt section for generated procedure stubs */
LINKER_SECTION_SDATA, /* .sdata/.sbss section for PowerPC */
LINKER_SECTION_SDATA2, /* .sdata2/.sbss2 section for PowerPC */
LINKER_SECTION_MAX /* # of linker sections */
} elf_linker_section_enum_t;
/* Sections created by the linker. */
typedef struct elf_linker_section
{
char *name; /* name of the section */
char *rel_name; /* name of the associated .rel{,a}. section */
char *bss_name; /* name of a related .bss section */
char *sym_name; /* name of symbol to reference this section */
asection *section; /* pointer to the section */
asection *bss_section; /* pointer to the bss section associated with this */
asection *rel_section; /* pointer to the relocations needed for this section */
struct elf_link_hash_entry *sym_hash; /* pointer to the created symbol hash value */
bfd_vma initial_size; /* initial size before any linker generated allocations */
bfd_vma sym_offset; /* offset of symbol from beginning of section */
bfd_vma hole_size; /* size of reserved address hole in allocation */
bfd_vma hole_offset; /* current offset for the hole */
bfd_vma max_hole_offset; /* maximum offset for the hole */
elf_linker_section_enum_t which; /* which section this is */
bfd_boolean hole_written_p; /* whether the hole has been initialized */
unsigned int alignment; /* alignment for the section */
flagword flags; /* flags to use to create the section */
} elf_linker_section_t;
/* Linked list of allocated pointer entries. This hangs off of the symbol lists, and
provides allows us to return different pointers, based on different addend's. */
typedef struct elf_linker_section_pointers
{
struct elf_linker_section_pointers *next; /* next allocated pointer for this symbol */
bfd_vma offset; /* offset of pointer from beginning of section */
bfd_vma addend; /* addend used */
elf_linker_section_enum_t which; /* which linker section this is */
bfd_boolean written_address_p; /* whether address was written yet */
} elf_linker_section_pointers_t;
/* This struct is used to pass information to routines called via
elf_link_hash_traverse which must return failure. */
@ -1151,12 +1100,6 @@ struct elf_obj_tdata
unsigned int symtab_shndx_section;
unsigned int dynversym_section, dynverdef_section, dynverref_section;
file_ptr next_file_pos;
#if 0
/* we don't need these inside bfd anymore, and I think
these weren't used outside bfd. */
void *prstatus; /* The raw /proc prstatus structure */
void *prpsinfo; /* The raw /proc prpsinfo structure */
#endif
bfd_vma gp; /* The gp value */
unsigned int gp_size; /* The gp size */
@ -1189,10 +1132,6 @@ struct elf_obj_tdata
struct got_entry **ents;
} local_got;
/* A mapping from local symbols to offsets into the various linker
sections added. This is index by the symbol index. */
elf_linker_section_pointers_t **linker_section_pointers;
/* The linker ELF emulation code needs to let the backend ELF linker
know what filename should be used for a dynamic object if the
dynamic object is found using a search. The emulation code then
@ -1263,8 +1202,9 @@ struct elf_obj_tdata
/* Symbol version references to external objects. */
Elf_Internal_Verneed *verref;
/* Linker sections that we are interested in. */
struct elf_linker_section *linker_section[ (int)LINKER_SECTION_MAX ];
/* A mapping from local symbols to offsets into the various linker
sections added. This is index by the symbol index. */
void **linker_section_pointers;
/* The Irix 5 support uses two virtual sections, which represent
text/data symbols defined in dynamic objects. */
@ -1297,12 +1237,10 @@ struct elf_obj_tdata
#define elf_local_got_refcounts(bfd) (elf_tdata(bfd) -> local_got.refcounts)
#define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got.offsets)
#define elf_local_got_ents(bfd) (elf_tdata(bfd) -> local_got.ents)
#define elf_local_ptr_offsets(bfd) (elf_tdata(bfd) -> linker_section_pointers)
#define elf_dt_name(bfd) (elf_tdata(bfd) -> dt_name)
#define elf_dt_soname(bfd) (elf_tdata(bfd) -> dt_soname)
#define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab)
#define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init)
#define elf_linker_section(bfd,n) (elf_tdata(bfd) -> linker_section[(int)n])
extern void _bfd_elf_swap_verdef_in
PARAMS ((bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *));

1
bfd/elf.c
View File

@ -1428,7 +1428,6 @@ _bfd_elf_link_hash_newfunc (entry, table, string)
ret->dynstr_index = 0;
ret->elf_hash_value = 0;
ret->weakdef = NULL;
ret->linker_section_pointer = NULL;
ret->verinfo.verdef = NULL;
ret->vtable_entries_size = 0;
ret->vtable_entries_used = NULL;

416
bfd/elf32-ppc.c
View File

@ -70,6 +70,49 @@ static bfd_reloc_status_type ppc_elf_unhandled_reloc
#define DTP_OFFSET 0x8000
/* Enumeration to specify the special section. */
enum elf_linker_section_enum
{
LINKER_SECTION_SDATA,
LINKER_SECTION_SDATA2
};
/* Sections created by the linker. */
typedef struct elf_linker_section
{
/* pointer to the section */
asection *section;
/* pointer to the relocations needed for this section */
asection *rel_section;
/* pointer to the created symbol hash value */
struct elf_link_hash_entry *sym_hash;
/* offset of symbol from beginning of section */
bfd_vma sym_offset;
} elf_linker_section_t;
/* Linked list of allocated pointer entries. This hangs off of the
symbol lists, and provides allows us to return different pointers,
based on different addend's. */
typedef struct elf_linker_section_pointers
{
/* next allocated pointer for this symbol */
struct elf_linker_section_pointers *next;
/* offset of pointer from beginning of section */
bfd_vma offset;
/* addend used */
bfd_vma addend;
/* which linker section this is */
elf_linker_section_t *lsect;
/* whether address was written yet */
bfd_boolean written_address_p;
} elf_linker_section_pointers_t;
#define elf_local_ptr_offsets(bfd) \
((elf_linker_section_pointers_t **) \
(elf_tdata (bfd)->linker_section_pointers))
/* The PPC linker needs to keep track of the number of relocs that it
decides to copy as dynamic relocs in check_relocs for each symbol.
This is so that it can later discard them if they are found to be
@ -96,6 +139,11 @@ struct ppc_elf_link_hash_entry
{
struct elf_link_hash_entry elf;
/* If this symbol is used in the linker created sections, the processor
specific backend uses this field to map the field into the offset
from the beginning of the section. */
elf_linker_section_pointers_t *linker_section_pointer;
/* Track dynamic relocs copied for this symbol. */
struct ppc_elf_dyn_relocs *dyn_relocs;
@ -132,6 +180,7 @@ struct ppc_elf_link_hash_table
asection *relsbss;
elf_linker_section_t *sdata;
elf_linker_section_t *sdata2;
asection *sbss;
/* Short-cut to first output tls section. */
asection *tls_sec;
@ -175,6 +224,7 @@ ppc_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
entry = _bfd_elf_link_hash_newfunc (entry, table, string);
if (entry != NULL)
{
ppc_elf_hash_entry (entry)->linker_section_pointer = NULL;
ppc_elf_hash_entry (entry)->dyn_relocs = NULL;
ppc_elf_hash_entry (entry)->tls_mask = 0;
}
@ -189,7 +239,7 @@ ppc_elf_link_hash_table_create (bfd *abfd)
{
struct ppc_elf_link_hash_table *ret;
ret = bfd_malloc (sizeof (struct ppc_elf_link_hash_table));
ret = bfd_zmalloc (sizeof (struct ppc_elf_link_hash_table));
if (ret == NULL)
return NULL;
@ -200,21 +250,6 @@ ppc_elf_link_hash_table_create (bfd *abfd)
return NULL;
}
ret->got = NULL;
ret->relgot = NULL;
ret->plt = NULL;
ret->relplt = NULL;
ret->dynbss = NULL;
ret->relbss = NULL;
ret->dynsbss = NULL;
ret->relsbss = NULL;
ret->sdata = NULL;
ret->sdata2 = NULL;
ret->tls_sec = NULL;
ret->tls_get_addr = NULL;
ret->tlsld_got.refcount = 0;
ret->sym_sec.abfd = NULL;
return &ret->elf.root;
}
@ -2169,127 +2204,16 @@ ppc_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
return TRUE;
}
/* Create a special linker section, or return a pointer to a linker
section already created */
static elf_linker_section_t *
elf_create_linker_section (bfd *abfd,
struct bfd_link_info *info,
enum elf_linker_section_enum which,
elf_linker_section_t *defaults)
{
bfd *dynobj = elf_hash_table (info)->dynobj;
elf_linker_section_t *lsect;
/* Record the first bfd section that needs the special section */
if (!dynobj)
dynobj = elf_hash_table (info)->dynobj = abfd;
/* If this is the first time, create the section */
lsect = elf_linker_section (dynobj, which);
if (!lsect)
{
asection *s;
bfd_size_type amt = sizeof (elf_linker_section_t);
lsect = bfd_alloc (dynobj, amt);
*lsect = *defaults;
elf_linker_section (dynobj, which) = lsect;
lsect->which = which;
lsect->hole_written_p = FALSE;
/* See if the sections already exist */
lsect->section = s = bfd_get_section_by_name (dynobj, lsect->name);
if (!s || (s->flags & defaults->flags) != defaults->flags)
{
lsect->section = s = bfd_make_section_anyway (dynobj, lsect->name);
if (s == NULL)
return NULL;
bfd_set_section_flags (dynobj, s, defaults->flags);
bfd_set_section_alignment (dynobj, s, lsect->alignment);
}
else if (bfd_get_section_alignment (dynobj, s) < lsect->alignment)
bfd_set_section_alignment (dynobj, s, lsect->alignment);
s->_raw_size = align_power (s->_raw_size, lsect->alignment);
/* Is there a hole we have to provide? If so check whether the
segment is too big already */
if (lsect->hole_size)
{
lsect->hole_offset = s->_raw_size;
s->_raw_size += lsect->hole_size;
if (lsect->hole_offset > lsect->max_hole_offset)
{
(*_bfd_error_handler)
(_("%s: Section %s is too large to add hole of %ld bytes"),
bfd_get_filename (abfd),
lsect->name,
(long) lsect->hole_size);
bfd_set_error (bfd_error_bad_value);
return NULL;
}
}
#ifdef DEBUG
fprintf (stderr, "Creating section %s, current size = %ld\n",
lsect->name, (long) s->_raw_size);
#endif
if (lsect->sym_name)
{
struct elf_link_hash_entry *h;
struct bfd_link_hash_entry *bh;
#ifdef DEBUG
fprintf (stderr, "Adding %s to section %s\n",
lsect->sym_name,
lsect->name);
#endif
bh = bfd_link_hash_lookup (info->hash, lsect->sym_name,
FALSE, FALSE, FALSE);
if ((bh == NULL || bh->type == bfd_link_hash_undefined)
&& !(_bfd_generic_link_add_one_symbol
(info, abfd, lsect->sym_name, BSF_GLOBAL, s,
(lsect->hole_size
? s->_raw_size - lsect->hole_size + lsect->sym_offset
: lsect->sym_offset),
NULL, FALSE,
get_elf_backend_data (abfd)->collect, &bh)))
return NULL;
h = (struct elf_link_hash_entry *) bh;
if ((defaults->which != LINKER_SECTION_SDATA)
&& (defaults->which != LINKER_SECTION_SDATA2))
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_DYNAMIC;
h->type = STT_OBJECT;
lsect->sym_hash = h;
if (info->shared
&& ! _bfd_elf_link_record_dynamic_symbol (info, h))
return NULL;
}
}
return lsect;
}
/* Find a linker generated pointer with a given addend and type. */
static elf_linker_section_pointers_t *
elf_find_pointer_linker_section
(elf_linker_section_pointers_t *linker_pointers,
bfd_vma addend,
elf_linker_section_enum_t which)
elf_linker_section_t *lsect)
{
for ( ; linker_pointers != NULL; linker_pointers = linker_pointers->next)
if (which == linker_pointers->which && addend == linker_pointers->addend)
if (lsect == linker_pointers->lsect && addend == linker_pointers->addend)
return linker_pointers;
return NULL;
@ -2314,13 +2238,16 @@ elf_create_pointer_linker_section (bfd *abfd,
/* Is this a global symbol? */
if (h != NULL)
{
struct ppc_elf_link_hash_entry *eh;
/* Has this symbol already been allocated? If so, our work is done. */
if (elf_find_pointer_linker_section (h->linker_section_pointer,
eh = (struct ppc_elf_link_hash_entry *) h;
if (elf_find_pointer_linker_section (eh->linker_section_pointer,
rel->r_addend,
lsect->which))
lsect))
return TRUE;
ptr_linker_section_ptr = &h->linker_section_pointer;
ptr_linker_section_ptr = &eh->linker_section_pointer;
/* Make sure this symbol is output as a dynamic symbol. */
if (h->dynindx == -1)
{
@ -2340,24 +2267,21 @@ elf_create_pointer_linker_section (bfd *abfd,
if (!ptr)
{
unsigned int num_symbols = elf_tdata (abfd)->symtab_hdr.sh_info;
register unsigned int i;
amt = num_symbols;
amt *= sizeof (elf_linker_section_pointers_t *);
ptr = bfd_alloc (abfd, amt);
ptr = bfd_zalloc (abfd, amt);
if (!ptr)
return FALSE;
elf_local_ptr_offsets (abfd) = ptr;
for (i = 0; i < num_symbols; i++)
ptr[i] = NULL;
}
/* Has this symbol already been allocated? If so, our work is done. */
if (elf_find_pointer_linker_section (ptr[r_symndx],
rel->r_addend,
lsect->which))
lsect))
return TRUE;
ptr_linker_section_ptr = &ptr[r_symndx];
@ -2383,7 +2307,7 @@ elf_create_pointer_linker_section (bfd *abfd,
linker_section_ptr->next = *ptr_linker_section_ptr;
linker_section_ptr->addend = rel->r_addend;
linker_section_ptr->which = lsect->which;
linker_section_ptr->lsect = lsect;
linker_section_ptr->written_address_p = FALSE;
*ptr_linker_section_ptr = linker_section_ptr;
@ -2421,10 +2345,13 @@ elf_finish_pointer_linker_section (bfd *output_bfd,
if (h != NULL)
{
/* Handle global symbol. */
struct ppc_elf_link_hash_entry *eh;
eh = (struct ppc_elf_link_hash_entry *) h;
linker_section_ptr
= elf_find_pointer_linker_section (h->linker_section_pointer,
= elf_find_pointer_linker_section (eh->linker_section_pointer,
rel->r_addend,
lsect->which);
lsect);
BFD_ASSERT (linker_section_ptr != NULL);
@ -2460,7 +2387,7 @@ elf_finish_pointer_linker_section (bfd *output_bfd,
linker_section_ptr = (elf_find_pointer_linker_section
(elf_local_ptr_offsets (input_bfd)[r_symndx],
rel->r_addend,
lsect->which));
lsect));
BFD_ASSERT (linker_section_ptr != NULL);
@ -2473,21 +2400,15 @@ elf_finish_pointer_linker_section (bfd *output_bfd,
if (info->shared)
{
/* We need to generate a relative reloc for the dynamic
linker. */
asection *srel = lsect->rel_section;
Elf_Internal_Rela outrel[MAX_INT_RELS_PER_EXT_REL];
bfd_byte *erel;
struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
unsigned int i;
/* We need to generate a relative reloc for the dynamic
linker. */
if (!srel)
{
srel = bfd_get_section_by_name (elf_hash_table (info)->dynobj,
lsect->rel_name);
lsect->rel_section = srel;
}
BFD_ASSERT (srel != NULL);
for (i = 0; i < bed->s->int_rels_per_ext_rel; i++)
@ -2509,7 +2430,6 @@ elf_finish_pointer_linker_section (bfd *output_bfd,
relocation = (lsect->section->output_offset
+ linker_section_ptr->offset
- lsect->hole_offset
- lsect->sym_offset);
#ifdef DEBUG
@ -2529,65 +2449,114 @@ ppc_elf_create_linker_section (bfd *abfd,
struct bfd_link_info *info,
enum elf_linker_section_enum which)
{
bfd *dynobj = elf_hash_table (info)->dynobj;
elf_linker_section_t *lsect;
struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
asection *s;
bfd_size_type amt;
flagword flags;
const char *name;
const char *rel_name;
const char *sym_name;
bfd_vma sym_offset;
/* Record the first bfd section that needs the special section. */
if (!dynobj)
dynobj = elf_hash_table (info)->dynobj = abfd;
/* Both of these sections are (technically) created by the user
putting data in them, so they shouldn't be marked
SEC_LINKER_CREATED.
/* If this is the first time, create the section. */
lsect = elf_linker_section (dynobj, which);
if (!lsect)
The linker creates them so it has somewhere to attach their
respective symbols. In fact, if they were empty it would
be OK to leave the symbol set to 0 (or any random number), because
the appropriate register should never be used. */
flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
sym_offset = 32768;
switch (which)
{
elf_linker_section_t defaults;
static elf_linker_section_t zero_section;
default:
abort ();
return NULL;
defaults = zero_section;
defaults.which = which;
defaults.hole_written_p = FALSE;
defaults.alignment = 2;
case LINKER_SECTION_SDATA: /* .sdata/.sbss section */
name = ".sdata";
rel_name = ".rela.sdata";
sym_name = "_SDA_BASE_";
break;
/* Both of these sections are (technically) created by the user
putting data in them, so they shouldn't be marked
SEC_LINKER_CREATED.
case LINKER_SECTION_SDATA2: /* .sdata2/.sbss2 section */
name = ".sdata2";
rel_name = ".rela.sdata2";
sym_name = "_SDA2_BASE_";
flags |= SEC_READONLY;
break;
}
The linker creates them so it has somewhere to attach their
respective symbols. In fact, if they were empty it would
be OK to leave the symbol set to 0 (or any random number), because
the appropriate register should never be used. */
defaults.flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
| SEC_IN_MEMORY);
/* Record the first bfd that needs the special sections. */
if (!htab->elf.dynobj)
htab->elf.dynobj = abfd;
switch (which)
{
default:
(*_bfd_error_handler) (_("%s: unknown special linker type %d"),
bfd_get_filename (abfd),
(int) which);
amt = sizeof (elf_linker_section_t);
lsect = bfd_zalloc (htab->elf.dynobj, amt);
bfd_set_error (bfd_error_bad_value);
return NULL;
lsect->sym_offset = sym_offset;
case LINKER_SECTION_SDATA: /* .sdata/.sbss section */
defaults.name = ".sdata";
defaults.rel_name = ".rela.sdata";
defaults.bss_name = ".sbss";
defaults.sym_name = "_SDA_BASE_";
defaults.sym_offset = 32768;
break;
/* See if the sections already exist. */
s = bfd_get_section_by_name (htab->elf.dynobj, name);
if (s == NULL || (s->flags & flags) != flags)
{
s = bfd_make_section_anyway (htab->elf.dynobj, name);
if (s == NULL
|| !bfd_set_section_flags (htab->elf.dynobj, s, flags))
return NULL;
}
lsect->section = s;
case LINKER_SECTION_SDATA2: /* .sdata2/.sbss2 section */
defaults.name = ".sdata2";
defaults.rel_name = ".rela.sdata2";
defaults.bss_name = ".sbss2";
defaults.sym_name = "_SDA2_BASE_";
defaults.sym_offset = 32768;
defaults.flags |= SEC_READONLY;
break;
}
if (bfd_get_section_alignment (htab->elf.dynobj, s) < 2
&& !bfd_set_section_alignment (htab->elf.dynobj, s, 2))
return NULL;
lsect = elf_create_linker_section (abfd, info, which, &defaults);
s->_raw_size = align_power (s->_raw_size, 2);
#ifdef DEBUG
fprintf (stderr, "Creating section %s, current size = %ld\n",
name, (long) s->_raw_size);
#endif
if (sym_name)
{
struct elf_link_hash_entry *h;
struct bfd_link_hash_entry *bh;
#ifdef DEBUG
fprintf (stderr, "Adding %s to section %s\n", sym_name, name);
#endif
bh = bfd_link_hash_lookup (info->hash, sym_name,
FALSE, FALSE, FALSE);
if ((bh == NULL || bh->type == bfd_link_hash_undefined)
&& !(_bfd_generic_link_add_one_symbol
(info, abfd, sym_name, BSF_GLOBAL, s, sym_offset, NULL,
FALSE, get_elf_backend_data (abfd)->collect, &bh)))
return NULL;
h = (struct elf_link_hash_entry *) bh;
h->type = STT_OBJECT;
lsect->sym_hash = h;
if (info->shared
&& ! _bfd_elf_link_record_dynamic_symbol (info, h))
return NULL;
}
if (info->shared)
{
s = bfd_make_section_anyway (htab->elf.dynobj, rel_name);
lsect->rel_section = s;
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
| SEC_LINKER_CREATED | SEC_READONLY);
if (s == NULL
|| ! bfd_set_section_flags (htab->elf.dynobj, s, flags)
|| ! bfd_set_section_alignment (htab->elf.dynobj, s, 2))
return NULL;
}
return lsect;
@ -3459,20 +3428,16 @@ ppc_elf_check_relocs (bfd *abfd,
htab = ppc_elf_hash_table (info);
if (htab->sdata == NULL)
{
htab->sdata = elf_linker_section (abfd, LINKER_SECTION_SDATA);
if (htab->sdata == NULL)
htab->sdata = ppc_elf_create_linker_section (abfd, info,
LINKER_SECTION_SDATA);
htab->sdata = ppc_elf_create_linker_section (abfd, info,
LINKER_SECTION_SDATA);
if (htab->sdata == NULL)
return FALSE;
}
if (htab->sdata2 == NULL)
{
htab->sdata2 = elf_linker_section (abfd, LINKER_SECTION_SDATA2);
if (htab->sdata2 == NULL)
htab->sdata2 = ppc_elf_create_linker_section (abfd, info,
LINKER_SECTION_SDATA2);
htab->sdata2 = ppc_elf_create_linker_section (abfd, info,
LINKER_SECTION_SDATA2);
if (htab->sdata2 == NULL)
return FALSE;
}
@ -4272,42 +4237,25 @@ ppc_elf_add_symbol_hook (bfd *abfd,
if (sym->st_shndx == SHN_COMMON
&& !info->relocatable
&& sym->st_size <= elf_gp_size (abfd)
&& info->hash->creator->flavour == bfd_target_elf_flavour)
&& (info->hash->creator == abfd->xvec
|| info->hash->creator == abfd->xvec->alternative_target))
{
/* Common symbols less than or equal to -G nn bytes are automatically
put into .sdata. */
elf_linker_section_t *sdata
= ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA);
put into .sbss. */
struct ppc_elf_link_hash_table *htab;
if (!sdata->bss_section)
htab = ppc_elf_hash_table (info);
if (htab->sbss == NULL)
{
bfd_size_type amt;
flagword flags = SEC_IS_COMMON;
/* We don't go through bfd_make_section, because we don't
want to attach this common section to DYNOBJ. The linker
will move the symbols to the appropriate output section
when it defines common symbols. */
amt = sizeof (asection);
sdata->bss_section = bfd_zalloc (abfd, amt);
if (sdata->bss_section == NULL)
htab->sbss = bfd_make_section_anyway (abfd, ".sbss");
if (htab->sbss == NULL
|| ! bfd_set_section_flags (abfd, htab->sbss, flags))
return FALSE;
sdata->bss_section->name = sdata->bss_name;
sdata->bss_section->flags = SEC_IS_COMMON;
sdata->bss_section->output_section = sdata->bss_section;
amt = sizeof (asymbol);
sdata->bss_section->symbol = bfd_zalloc (abfd, amt);
amt = sizeof (asymbol *);
sdata->bss_section->symbol_ptr_ptr = bfd_zalloc (abfd, amt);
if (sdata->bss_section->symbol == NULL
|| sdata->bss_section->symbol_ptr_ptr == NULL)
return FALSE;
sdata->bss_section->symbol->name = sdata->bss_name;
sdata->bss_section->symbol->flags = BSF_SECTION_SYM;
sdata->bss_section->symbol->section = sdata->bss_section;
*sdata->bss_section->symbol_ptr_ptr = sdata->bss_section->symbol;
}
*secp = sdata->bss_section;
*secp = htab->sbss;
*valp = sym->st_size;
}