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Diffstat (limited to 'bfd/elf64-ppc.c')
-rw-r--r--bfd/elf64-ppc.c111
1 files changed, 101 insertions, 10 deletions
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index b44eeab..33b26cb 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -2602,7 +2602,7 @@ struct ppc64_elf_obj_tdata
#define is_ppc64_elf(bfd) \
(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
- && elf_object_id (bfd) == PPC64_ELF_TDATA)
+ && elf_object_id (bfd) == PPC64_ELF_DATA)
/* Override the generic function because we store some extras. */
@@ -2610,7 +2610,7 @@ static bfd_boolean
ppc64_elf_mkobject (bfd *abfd)
{
return bfd_elf_allocate_object (abfd, sizeof (struct ppc64_elf_obj_tdata),
- PPC64_ELF_TDATA);
+ PPC64_ELF_DATA);
}
/* Fix bad default arch selected for a 64 bit input bfd when the
@@ -3806,7 +3806,8 @@ struct ppc_link_hash_table
/* Get the ppc64 ELF linker hash table from a link_info structure. */
#define ppc_hash_table(p) \
- ((struct ppc_link_hash_table *) ((p)->hash))
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == PPC64_ELF_DATA ? ((struct ppc_link_hash_table *) ((p)->hash)) : NULL)
#define ppc_stub_hash_lookup(table, string, create, copy) \
((struct ppc_stub_hash_entry *) \
@@ -3951,7 +3952,8 @@ ppc64_elf_link_hash_table_create (bfd *abfd)
return NULL;
if (!_bfd_elf_link_hash_table_init (&htab->elf, abfd, link_hash_newfunc,
- sizeof (struct ppc_link_hash_entry)))
+ sizeof (struct ppc_link_hash_entry),
+ PPC64_ELF_DATA))
{
free (htab);
return NULL;
@@ -4008,6 +4010,8 @@ ppc64_elf_init_stub_bfd (bfd *abfd, struct bfd_link_info *info)
linker created stub bfd. This ensures that the GOT header is at
the start of the output TOC section. */
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return;
htab->stub_bfd = abfd;
htab->elf.dynobj = abfd;
}
@@ -4167,6 +4171,8 @@ create_linkage_sections (bfd *dynobj, struct bfd_link_info *info)
flagword flags;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
/* Create .sfpr for code to save and restore fp regs. */
flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_READONLY
@@ -4235,6 +4241,8 @@ create_got_section (bfd *abfd, struct bfd_link_info *info)
if (!is_ppc64_elf (abfd))
return FALSE;
+ if (htab == NULL)
+ return FALSE;
if (!htab->got)
{
@@ -4276,6 +4284,9 @@ ppc64_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
return FALSE;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
if (!htab->got)
htab->got = bfd_get_section_by_name (dynobj, ".got");
htab->plt = bfd_get_section_by_name (dynobj, ".plt");
@@ -4608,6 +4619,9 @@ add_symbol_adjust (struct ppc_link_hash_entry *eh, struct bfd_link_info *info)
abort ();
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
fdh = lookup_fdh (eh, htab);
if (fdh == NULL)
{
@@ -4655,9 +4669,11 @@ ppc64_elf_process_dot_syms (bfd *ibfd, struct bfd_link_info *info)
struct ppc_link_hash_table *htab;
struct ppc_link_hash_entry **p, *eh;
- htab = ppc_hash_table (info);
if (!is_ppc64_elf (info->output_bfd))
return TRUE;
+ htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
if (is_ppc64_elf (ibfd))
{
@@ -4696,7 +4712,12 @@ static bfd_boolean
ppc64_elf_as_needed_cleanup (bfd *ibfd ATTRIBUTE_UNUSED,
struct bfd_link_info *info)
{
- ppc_hash_table (info)->dot_syms = NULL;
+ struct ppc_link_hash_table *htab = ppc_hash_table (info);
+
+ if (htab == NULL)
+ return FALSE;
+
+ htab->dot_syms = NULL;
return TRUE;
}
@@ -4822,6 +4843,9 @@ ppc64_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
BFD_ASSERT (is_ppc64_elf (abfd));
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
tga = elf_link_hash_lookup (&htab->elf, "__tls_get_addr",
FALSE, FALSE, TRUE);
dottga = elf_link_hash_lookup (&htab->elf, ".__tls_get_addr",
@@ -5547,6 +5571,9 @@ ppc64_elf_gc_keep (struct bfd_link_info *info)
struct ppc_link_hash_table *htab = ppc_hash_table (info);
struct bfd_sym_chain *sym;
+ if (htab == NULL)
+ return;
+
for (sym = info->gc_sym_list; sym != NULL; sym = sym->next)
{
struct ppc_link_hash_entry *eh, *fh;
@@ -5734,6 +5761,9 @@ ppc64_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
elf_section_data (sec)->local_dynrel = NULL;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
symtab_hdr = &elf_symtab_hdr (abfd);
sym_hashes = elf_sym_hashes (abfd);
local_got_ents = elf_local_got_ents (abfd);
@@ -5897,7 +5927,7 @@ struct sfpr_def_parms
/* Auto-generate _save*, _rest* functions in .sfpr. */
-static unsigned int
+static bfd_boolean
sfpr_define (struct bfd_link_info *info, const struct sfpr_def_parms *parm)
{
struct ppc_link_hash_table *htab = ppc_hash_table (info);
@@ -5906,6 +5936,9 @@ sfpr_define (struct bfd_link_info *info, const struct sfpr_def_parms *parm)
bfd_boolean writing = FALSE;
char sym[16];
+ if (htab == NULL)
+ return FALSE;
+
memcpy (sym, parm->name, len);
sym[len + 2] = 0;
@@ -6132,6 +6165,8 @@ func_desc_adjust (struct elf_link_hash_entry *h, void *inf)
info = inf;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
/* Resolve undefined references to dot-symbols as the value
in the function descriptor, if we have one in a regular object.
@@ -6270,6 +6305,9 @@ ppc64_elf_func_desc_adjust (bfd *obfd ATTRIBUTE_UNUSED,
};
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
if (htab->sfpr == NULL)
/* We don't have any relocs. */
return TRUE;
@@ -6302,6 +6340,8 @@ ppc64_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
asection *s;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
/* Deal with function syms. */
if (h->type == STT_FUNC
@@ -6461,6 +6501,9 @@ ppc64_elf_hide_symbol (struct bfd_link_info *info,
save = *p;
*(char *) p = '.';
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return;
+
fh = (struct ppc_link_hash_entry *)
elf_link_hash_lookup (&htab->elf, p, FALSE, FALSE, FALSE);
*(char *) p = save;
@@ -7074,8 +7117,12 @@ ppc64_elf_edit_opd (bfd *obfd, struct bfd_link_info *info,
if (h != NULL
&& h->root.root.string[0] == '.')
{
- fdh = lookup_fdh ((struct ppc_link_hash_entry *) h,
- ppc_hash_table (info));
+ struct ppc_link_hash_table *htab;
+
+ htab = ppc_hash_table (info);
+ if (htab != NULL)
+ fdh = lookup_fdh ((struct ppc_link_hash_entry *) h,
+ htab);
if (fdh != NULL
&& fdh->elf.root.type != bfd_link_hash_defined
&& fdh->elf.root.type != bfd_link_hash_defweak)
@@ -7232,6 +7279,9 @@ ppc64_elf_tls_setup (bfd *obfd,
struct ppc_link_hash_table *htab;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return NULL;
+
htab->tls_get_addr = ((struct ppc_link_hash_entry *)
elf_link_hash_lookup (&htab->elf, ".__tls_get_addr",
FALSE, FALSE, TRUE));
@@ -7360,6 +7410,9 @@ ppc64_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
return TRUE;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
{
Elf_Internal_Sym *locsyms = NULL;
@@ -8239,6 +8292,8 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
info = (struct bfd_link_info *) inf;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
if ((htab->elf.dynamic_sections_created
&& h->dynindx != -1
@@ -8497,6 +8552,9 @@ ppc64_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
bfd *ibfd;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
dynobj = htab->elf.dynobj;
if (dynobj == NULL)
abort ();
@@ -9067,6 +9125,8 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
info = in_arg;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
/* Make a note of the offset within the stubs for this entry. */
stub_entry->stub_offset = stub_entry->stub_sec->size;
@@ -9463,6 +9523,8 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
info = in_arg;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
if (stub_entry->stub_type == ppc_stub_plt_call)
{
@@ -9614,6 +9676,8 @@ ppc64_elf_setup_section_lists
bfd_size_type amt;
struct ppc_link_hash_table *htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return -1;
/* Stash our params away. */
htab->add_stub_section = add_stub_section;
htab->layout_sections_again = layout_sections_again;
@@ -9689,6 +9753,9 @@ ppc64_elf_next_toc_section (struct bfd_link_info *info, asection *isec)
struct ppc_link_hash_table *htab = ppc_hash_table (info);
bfd_vma addr, off;
+ if (htab == NULL)
+ return FALSE;
+
if (!htab->second_toc_pass)
{
/* Keep track of the first .toc or .got section for this input bfd. */
@@ -10019,6 +10086,9 @@ ppc64_elf_finish_multitoc_partition (struct bfd_link_info *info)
{
struct ppc_link_hash_table *htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return;
+
/* After the second pass, toc_curr tracks the TOC offset used
for code sections below in ppc64_elf_next_input_section. */
htab->toc_curr = TOC_BASE_OFF;
@@ -10062,6 +10132,9 @@ toc_adjusting_stub_needed (struct bfd_link_info *info, asection *isec)
local_syms = NULL;
ret = 0;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return -1;
+
for (rel = relstart; rel < relstart + isec->reloc_count; ++rel)
{
enum elf_ppc64_reloc_type r_type;
@@ -10234,6 +10307,9 @@ ppc64_elf_next_input_section (struct bfd_link_info *info, asection *isec)
{
struct ppc_link_hash_table *htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
if ((isec->output_section->flags & SEC_CODE) != 0
&& isec->output_section->index <= htab->top_index)
{
@@ -10399,6 +10475,9 @@ ppc64_elf_size_stubs (struct bfd_link_info *info, bfd_signed_vma group_size)
bfd_boolean stubs_always_before_branch;
struct ppc_link_hash_table *htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
stubs_always_before_branch = group_size < 0;
if (group_size < 0)
stub_group_size = -group_size;
@@ -10820,6 +10899,9 @@ ppc64_elf_build_stubs (bfd_boolean emit_stub_syms,
bfd_byte *p;
int stub_sec_count = 0;
+ if (htab == NULL)
+ return FALSE;
+
htab->emit_stub_syms = emit_stub_syms;
/* Allocate memory to hold the linker stubs. */
@@ -11019,7 +11101,9 @@ void
ppc64_elf_restore_symbols (struct bfd_link_info *info)
{
struct ppc_link_hash_table *htab = ppc_hash_table (info);
- elf_link_hash_traverse (&htab->elf, undo_symbol_twiddle, info);
+
+ if (htab != NULL)
+ elf_link_hash_traverse (&htab->elf, undo_symbol_twiddle, info);
}
/* What to do when ld finds relocations against symbols defined in
@@ -11099,6 +11183,8 @@ ppc64_elf_relocate_section (bfd *output_bfd,
ppc_howto_init ();
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
/* Don't relocate stub sections. */
if (input_section->owner == htab->stub_bfd)
@@ -12708,6 +12794,8 @@ ppc64_elf_finish_dynamic_symbol (bfd *output_bfd,
bfd_byte *loc;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
if (ent->plt.offset != (bfd_vma) -1)
@@ -12807,6 +12895,9 @@ ppc64_elf_finish_dynamic_sections (bfd *output_bfd,
asection *sdyn;
htab = ppc_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
dynobj = htab->elf.dynobj;
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
generated by cgit v1.1 at 2024-09-16 06:19:29 +0000