/* ARC-specific support for 32-bit ELF
- Copyright (C) 1994-2016 Free Software Foundation, Inc.
+ Copyright (C) 1994-2020 Free Software Foundation, Inc.
Contributed by Cupertino Miranda (cmiranda@synopsys.com).
This file is part of BFD, the Binary File Descriptor library.
#ifndef ARC_GOT_H
#define ARC_GOT_H
+#define TCB_SIZE (8)
+
+#define align_power(addr, align) \
+ (((addr) + ((bfd_vma) 1 << (align)) - 1) & (-((bfd_vma) 1 << (align))))
+
enum tls_type_e
{
GOT_UNKNOWN = 0,
enum tls_got_entries existing_entries;
};
+/* Return the local got list, if not defined, create an empty one. */
+
static struct got_entry **
arc_get_local_got_ents (bfd * abfd)
{
- static struct got_entry **local_got_ents = NULL;
-
- if (local_got_ents == NULL)
+ if (elf_local_got_ents (abfd) == NULL)
{
- size_t size;
- Elf_Internal_Shdr *symtab_hdr = &((elf_tdata (abfd))->symtab_hdr);
-
- size = symtab_hdr->sh_info * sizeof (bfd_vma);
- local_got_ents = (struct got_entry **)
- bfd_alloc (abfd, sizeof (struct got_entry *) * size);
- if (local_got_ents == NULL)
- return FALSE;
-
- memset (local_got_ents, 0, sizeof (struct got_entry *) * size);
- elf_local_got_ents (abfd) = local_got_ents;
+ bfd_size_type amt = (elf_tdata (abfd)->symtab_hdr.sh_info
+ * sizeof (*elf_local_got_ents (abfd)));
+ elf_local_got_ents (abfd) = bfd_zmalloc (amt);
+ if (elf_local_got_ents (abfd) == NULL)
+ {
+ _bfd_error_handler (_("%pB: cannot allocate memory for local "
+ "GOT entries"), abfd);
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
+ }
}
- return local_got_ents;
+ return elf_local_got_ents (abfd);
}
static struct got_entry *
enum tls_type_e type)
{
struct got_entry **p = list;
+
while (*p != NULL)
{
if ((*p)->type == type)
/* Find list end. Avoid having multiple entries of the same
type. */
struct got_entry **p = list;
+ struct got_entry *entry;
+
while (*p != NULL)
{
if ((*p)->type == type)
p = &((*p)->next);
}
- struct got_entry *entry
- = (struct got_entry *) malloc (sizeof (struct got_entry));
+ entry = (struct got_entry *) xmalloc (sizeof (struct got_entry));
entry->type = type;
entry->offset = offset;
entry->existing_entries = existing_entries;
ARC_DEBUG ("New GOT got entry added to list: "
- "type: %d, offset: %d, existing_entries:%d\n",
- type, offset, existing_entries);
+ "type: %d, offset: %ld, existing_entries: %d\n",
+ type, (long) offset, existing_entries);
/* Add the entry to the end of the list. */
*p = entry;
tls_type_for_reloc (reloc_howto_type *howto)
{
enum tls_type_e ret = GOT_UNKNOWN;
+
if (is_reloc_for_GOT (howto))
- ret = GOT_NORMAL;
- else
+ return GOT_NORMAL;
+
+ switch (howto->type)
{
- switch (howto->type)
- {
- case R_ARC_TLS_GD_GOT:
- ret = GOT_TLS_GD;
- break;
- case R_ARC_TLS_IE_GOT:
- ret = GOT_TLS_IE;
- break;
- case R_ARC_TLS_LE_32:
- ret = GOT_TLS_LE;
- break;
- default:
- ret = GOT_UNKNOWN;
- break;
- }
+ case R_ARC_TLS_GD_GOT:
+ ret = GOT_TLS_GD;
+ break;
+ case R_ARC_TLS_IE_GOT:
+ ret = GOT_TLS_IE;
+ break;
+ case R_ARC_TLS_LE_32:
+ ret = GOT_TLS_LE;
+ break;
+ default:
+ ret = GOT_UNKNOWN;
+ break;
}
+
return ret;
};
unsigned long r_symndx,
struct elf_link_hash_entry *h)
{
- if (h != NULL)
+ struct elf_arc_link_hash_entry *h1 =
+ ((struct elf_arc_link_hash_entry *) h);
+ if (h1 != NULL)
{
- return &h->got.glist;
+ return &h1->got_ents;
}
else
{
- struct got_entry **local_got_ents
- = arc_get_local_got_ents (abfd);
- return &local_got_ents[r_symndx];
+ return arc_get_local_got_ents (abfd) + r_symndx;
}
}
enum tls_type_e type = GOT_UNKNOWN;
if (is_reloc_for_GOT (howto))
- type = GOT_NORMAL;
- else if (is_reloc_for_TLS (howto))
+ return GOT_NORMAL;
+
+ if (is_reloc_for_TLS (howto))
{
switch (howto->type)
{
__LINE__, name_for_global_symbol (H)); \
} \
if (H) \
- if (h->dynindx == -1 && !h->forced_local) \
+ if (H->dynindx == -1 && !H->forced_local) \
if (! bfd_elf_link_record_dynamic_symbol (info, H)) \
return FALSE; \
htab->s##SECNAME->size += 4; \
{
case GOT_NORMAL:
{
- bfd_vma offset
+ bfd_vma offset
= ADD_SYMBOL_REF_SEC_AND_RELOC (got, bfd_link_pic (info)
|| h != NULL, h);
- new_got_entry_to_list (list, type, offset, TLS_GOT_NONE);
+ new_got_entry_to_list (list, type, offset, TLS_GOT_NONE);
}
break;
static bfd_vma
-relocate_fix_got_relocs_for_got_info (struct got_entry **list_p,
- enum tls_type_e type,
- struct bfd_link_info * info,
- bfd *output_bfd,
- unsigned long r_symndx,
- Elf_Internal_Sym *local_syms,
- asection **local_sections,
- struct elf_link_hash_entry *h,
- struct arc_relocation_data *reloc_data)
+relocate_fix_got_relocs_for_got_info (struct got_entry ** list_p,
+ enum tls_type_e type,
+ struct bfd_link_info * info,
+ bfd * output_bfd,
+ unsigned long r_symndx,
+ Elf_Internal_Sym * local_syms,
+ asection ** local_sections,
+ struct elf_link_hash_entry * h,
+ struct arc_relocation_data * reloc_data)
{
+ struct elf_link_hash_table *htab = elf_hash_table (info);
+ struct got_entry *entry = NULL;
if (list_p == NULL || type == GOT_UNKNOWN || type == GOT_TLS_LE)
return 0;
- struct elf_link_hash_table *htab = elf_hash_table (info);
- struct got_entry *entry = NULL;
-
entry = got_entry_for_type (list_p, type);
BFD_ASSERT (entry);
if (h == NULL
+ || h->forced_local == TRUE
|| (! elf_hash_table (info)->dynamic_sections_created
|| (bfd_link_pic (info)
- && SYMBOL_REFERENCES_LOCAL (info, h))))
+ && SYMBOL_REFERENCES_LOCAL (info, h))))
{
const char ATTRIBUTE_UNUSED *symbol_name;
static const char local_name[] = "(local)";
reloc_data->sym_section = h->root.u.def.section;
sym_value = h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset;
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset;
tls_sec = elf_hash_table (info)->tls_sec;
asection *sec = local_sections[r_symndx];
sym_value = sym->st_value
- + sec->output_section->vma
- + sec->output_offset;
+ + sec->output_section->vma
+ + sec->output_offset;
tls_sec = elf_hash_table (info)->tls_sec;
}
- if (entry && entry->processed == FALSE)
+ if (entry && !entry->processed)
{
switch (entry->type)
{
- case GOT_TLS_GD:
- {
- BFD_ASSERT (tls_sec && tls_sec->output_section);
- bfd_vma sec_vma = tls_sec->output_section->vma;
-
- bfd_put_32 (output_bfd,
- sym_value - sec_vma,
- htab->sgot->contents + entry->offset
- + (entry->existing_entries == TLS_GOT_MOD_AND_OFF
- ? 4 : 0));
-
- ARC_DEBUG ("arc_info: FIXED -> %s value = 0x%x "
- "@ 0x%x, for symbol %s\n",
- (entry->type == GOT_TLS_GD ? "GOT_TLS_GD" :
- "GOT_TLS_IE"),
- sym_value - sec_vma,
- htab->sgot->contents + entry->offset
+ case GOT_TLS_GD:
+ {
+ BFD_ASSERT (tls_sec && tls_sec->output_section);
+ bfd_vma sec_vma = tls_sec->output_section->vma;
+
+ if (h == NULL || h->forced_local
+ || !elf_hash_table (info)->dynamic_sections_created)
+ {
+ bfd_put_32 (output_bfd,
+ sym_value - sec_vma
+ + (elf_hash_table (info)->dynamic_sections_created
+ ? 0
+ : (align_power (0,
+ tls_sec->alignment_power))),
+ htab->sgot->contents + entry->offset
+ + (entry->existing_entries == TLS_GOT_MOD_AND_OFF
+ ? 4 : 0));
+
+ ARC_DEBUG ("arc_info: FIXED -> %s value = %#lx "
+ "@ %lx, for symbol %s\n",
+ (entry->type == GOT_TLS_GD ? "GOT_TLS_GD" :
+ "GOT_TLS_IE"),
+ (long) (sym_value - sec_vma),
+ (long) (htab->sgot->output_section->vma
+ + htab->sgot->output_offset
+ + entry->offset
+ (entry->existing_entries == TLS_GOT_MOD_AND_OFF
- ? 4 : 0),
- symbol_name);
- }
- break;
-
- case GOT_TLS_IE:
- {
- BFD_ASSERT (tls_sec && tls_sec->output_section);
- bfd_vma ATTRIBUTE_UNUSED sec_vma
- = tls_sec->output_section->vma;
-
- ARC_DEBUG ("arc_info: FIXED -> %s value = 0x%x "
- "@ 0x%x, for symbol %s\n",
- (entry->type == GOT_TLS_GD ? "GOT_TLS_GD" :
- "GOT_TLS_IE"),
- sym_value - sec_vma,
- htab->sgot->contents + entry->offset
- + (entry->existing_entries == TLS_GOT_MOD_AND_OFF
- ? 4 : 0),
- symbol_name);
- }
- break;
-
- case GOT_NORMAL:
- {
- bfd_vma sec_vma
- = reloc_data->sym_section->output_section->vma
- + reloc_data->sym_section->output_offset;
-
- if (h->root.type != bfd_link_hash_undefweak)
- {
- bfd_put_32 (output_bfd,
- reloc_data->sym_value + sec_vma,
- htab->sgot->contents + entry->offset);
-
- ARC_DEBUG ("arc_info: PATCHED: 0x%08x "
- "@ 0x%08x for sym %s in got offset 0x%x\n",
- reloc_data->sym_value + sec_vma,
- htab->sgot->output_section->vma
- + htab->sgot->output_offset + entry->offset,
- symbol_name,
- entry->offset);
- }
- else
- {
- ARC_DEBUG ("arc_info: PATCHED: NOT_PATCHED "
- "@ 0x%08x for sym %s in got offset 0x%x "
- "(is undefweak)\n",
- htab->sgot->output_section->vma
- + htab->sgot->output_offset + entry->offset,
- symbol_name,
- entry->offset);
+ ? 4 : 0)),
+ symbol_name);
+ }
+ }
+ break;
+
+ case GOT_TLS_IE:
+ {
+ BFD_ASSERT (tls_sec && tls_sec->output_section);
+ bfd_vma ATTRIBUTE_UNUSED sec_vma
+ = tls_sec->output_section->vma;
+
+ bfd_put_32 (output_bfd,
+ sym_value - sec_vma
+ + (elf_hash_table (info)->dynamic_sections_created
+ ? 0
+ : (align_power (TCB_SIZE,
+ tls_sec->alignment_power))),
+ htab->sgot->contents + entry->offset
+ + (entry->existing_entries == TLS_GOT_MOD_AND_OFF
+ ? 4 : 0));
+
+ ARC_DEBUG ("arc_info: FIXED -> %s value = %#lx "
+ "@ %p, for symbol %s\n",
+ (entry->type == GOT_TLS_GD ? "GOT_TLS_GD" :
+ "GOT_TLS_IE"),
+ (long) (sym_value - sec_vma),
+ (long) (htab->sgot->output_section->vma
+ + htab->sgot->output_offset
+ + entry->offset
+ + (entry->existing_entries == TLS_GOT_MOD_AND_OFF
+ ? 4 : 0)),
+ symbol_name);
+ }
+ break;
+
+ case GOT_NORMAL:
+ {
+ bfd_vma sec_vma
+ = reloc_data->sym_section->output_section->vma
+ + reloc_data->sym_section->output_offset;
+
+ if (h != NULL
+ && h->root.type == bfd_link_hash_undefweak)
+ ARC_DEBUG ("arc_info: PATCHED: NOT_PATCHED "
+ "@ %#08lx for sym %s in got offset %#lx "
+ "(is undefweak)\n",
+ (long) (htab->sgot->output_section->vma
+ + htab->sgot->output_offset
+ + entry->offset),
+ symbol_name,
+ (long) entry->offset);
+ else
+ {
+ bfd_put_32 (output_bfd,
+ reloc_data->sym_value + sec_vma,
+ htab->sgot->contents + entry->offset);
+ ARC_DEBUG ("arc_info: PATCHED: %#08lx "
+ "@ %#08lx for sym %s in got offset %#lx\n",
+ (long) (reloc_data->sym_value + sec_vma),
+ (long) (htab->sgot->output_section->vma
+ + htab->sgot->output_offset + entry->offset),
+ symbol_name,
+ (long) entry->offset);
}
- }
- break;
- default:
- BFD_ASSERT (0);
- break;
+ }
+ break;
+ default:
+ BFD_ASSERT (0);
+ break;
}
entry->processed = TRUE;
}
bfd_vma got_offset = list->offset;
if (list->type == GOT_NORMAL
- && list->created_dyn_relocation == FALSE)
+ && !list->created_dyn_relocation)
{
if (bfd_link_pic (info)
&& h != NULL
list->created_dyn_relocation = TRUE;
}
else if (list->existing_entries != TLS_GOT_NONE
- && list->created_dyn_relocation == FALSE)
+ && !list->created_dyn_relocation)
{
/* TODO TLS: This is not called for local symbols.
In order to correctly implement TLS, this should also
enum tls_got_entries e = list->existing_entries;
BFD_ASSERT (list->type != GOT_TLS_GD
- || list->existing_entries == TLS_GOT_MOD_AND_OFF);
+ || list->existing_entries == TLS_GOT_MOD_AND_OFF);
bfd_vma dynindx = (h == NULL || h->dynindx == -1) ? 0 : h->dynindx;
if (e == TLS_GOT_MOD_AND_OFF || e == TLS_GOT_MOD)
{
ADD_RELA (output_bfd, got, got_offset, dynindx,
- R_ARC_TLS_DTPMOD, 0);
+ R_ARC_TLS_DTPMOD, 0);
ARC_DEBUG ("arc_info: TLS_DYNRELOC: type = %d, \
-GOT_OFFSET = 0x%x, GOT_VMA = 0x%x, INDEX = %d, ADDEND = 0x%x\n",
+GOT_OFFSET = %#lx, GOT_VMA = %#lx, INDEX = %ld, ADDEND = 0x0\n",
list->type,
- got_offset,
- htab->sgot->output_section->vma
- + htab->sgot->output_offset + got_offset,
- dynindx, 0);
+ (long) got_offset,
+ (long) (htab->sgot->output_section->vma
+ + htab->sgot->output_offset + got_offset),
+ (long) dynindx);
}
+
if (e == TLS_GOT_MOD_AND_OFF || e == TLS_GOT_OFF)
{
bfd_vma addend = 0;
if (list->type == GOT_TLS_IE)
+ {
addend = bfd_get_32 (output_bfd,
htab->sgot->contents + got_offset);
+ }
ADD_RELA (output_bfd, got,
got_offset + (e == TLS_GOT_MOD_AND_OFF ? 4 : 0),
addend);
ARC_DEBUG ("arc_info: TLS_DYNRELOC: type = %d, \
-GOT_OFFSET = 0x%x, GOT_VMA = 0x%x, INDEX = %d, ADDEND = 0x%x\n",
+GOT_OFFSET = %#lx, GOT_VMA = %#lx, INDEX = %ld, ADDEND = %#lx\n",
list->type,
- got_offset,
- htab->sgot->output_section->vma
- + htab->sgot->output_offset + got_offset,
- dynindx, addend);
+ (long) got_offset,
+ (long) (htab->sgot->output_section->vma
+ + htab->sgot->output_offset + got_offset),
+ (long) dynindx, (long) addend);
}
list->created_dyn_relocation = TRUE;
}
create_got_dynrelocs_for_got_info (struct got_entry **list_p,
bfd *output_bfd,
struct bfd_link_info * info,
- struct elf_link_hash_entry *h)
+ struct elf_link_hash_entry *h)
{
if (list_p == NULL)
return;
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