static void cris_info_to_howto_rela
PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
+static boolean cris_elf_grok_prstatus
+ PARAMS ((bfd *abfd, Elf_Internal_Note *note));
+
+static boolean cris_elf_grok_psinfo
+ PARAMS ((bfd *abfd, Elf_Internal_Note *note));
+
static boolean cris_elf_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
PARAMS ((bfd *));
static boolean elf_cris_adjust_dynamic_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
+static boolean cris_elf_check_relocs
+ PARAMS ((bfd *, struct bfd_link_info *, asection *,
+ const Elf_Internal_Rela *));
+
static boolean elf_cris_size_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
static boolean elf_cris_finish_dynamic_symbol
PARAMS ((bfd *, struct bfd_link_info *));
static void elf_cris_hide_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
+static enum elf_reloc_type_class elf_cris_reloc_type_class
+ PARAMS ((const Elf_Internal_Rela *));
static reloc_howto_type cris_elf_howto_table [] =
{
{
unsigned int i;
- for (i = sizeof (cris_reloc_map) / sizeof (cris_reloc_map[0]);
- --i;)
+ for (i = 0; i < sizeof (cris_reloc_map) / sizeof (cris_reloc_map[0]); i++)
if (cris_reloc_map [i].bfd_reloc_val == code)
return & cris_elf_howto_table [cris_reloc_map[i].cris_reloc_val];
cache_ptr->howto = & cris_elf_howto_table [r_type];
}
\f
+/* Support for core dump NOTE sections. */
+
+static boolean
+cris_elf_grok_prstatus (abfd, note)
+ bfd *abfd;
+ Elf_Internal_Note *note;
+{
+ int offset;
+ size_t raw_size;
+
+ switch (note->descsz)
+ {
+ default:
+ return false;
+
+ case 166: /* Linux/CRIS */
+ /* pr_cursig */
+ elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
+
+ /* pr_pid */
+ elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 22);
+
+ /* pr_reg */
+ offset = 70;
+ raw_size = 92;
+
+ break;
+ }
+
+ /* Make a ".reg/999" section. */
+ return _bfd_elfcore_make_pseudosection (abfd, ".reg",
+ raw_size, note->descpos + offset);
+}
+
+static boolean
+cris_elf_grok_psinfo (abfd, note)
+ bfd *abfd;
+ Elf_Internal_Note *note;
+{
+ switch (note->descsz)
+ {
+ default:
+ return false;
+
+ case 124: /* Linux/CRIS elf_prpsinfo */
+ elf_tdata (abfd)->core_program
+ = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
+ elf_tdata (abfd)->core_command
+ = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
+ }
+
+ /* Note that for some reason, a spurious space is tacked
+ onto the end of the args in some (at least one anyway)
+ implementations, so strip it off if it exists. */
+
+ {
+ char *command = elf_tdata (abfd)->core_command;
+ int n = strlen (command);
+
+ if (0 < n && command[n - 1] == ' ')
+ command[n - 1] = '\0';
+ }
+
+ return true;
+}
+\f
/* The name of the dynamic interpreter. This is put in the .interp
section. */
bfd *abfd;
{
struct elf_cris_link_hash_table *ret;
+ bfd_size_type amt = sizeof (struct elf_cris_link_hash_table);
- ret = ((struct elf_cris_link_hash_table *)
- bfd_alloc (abfd, sizeof (struct elf_cris_link_hash_table)));
+ ret = ((struct elf_cris_link_hash_table *) bfd_alloc (abfd, amt));
if (ret == (struct elf_cris_link_hash_table *) NULL)
return NULL;
struct elf_link_hash_entry * h;
bfd_vma relocation;
bfd_reloc_status_type r;
- const char * name = NULL;
+ const char * symname = NULL;
int r_type;
r_type = ELF32_R_TYPE (rel->r_info);
+ sec->output_offset
+ sym->st_value);
- name = bfd_elf_string_from_elf_section
- (input_bfd, symtab_hdr->sh_link, sym->st_name);
- name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
+ symname = (bfd_elf_string_from_elf_section
+ (input_bfd, symtab_hdr->sh_link, sym->st_name));
+ if (symname == NULL)
+ symname = bfd_section_name (input_bfd, sec);
}
else
{
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
- name = h->root.root.string;
+ symname = h->root.root.string;
if (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
+ sec->output_offset);
else
{
- if (input_bfd->my_archive)
- (*_bfd_error_handler)
- (_("%s(%s): unresolvable relocation %s against symbol `%s' from %s section"),
- bfd_get_filename (bfd_my_archive (input_bfd)),
- bfd_get_filename (input_bfd),
- cris_elf_howto_table[r_type].name,
- name,
- bfd_get_section_name (input_bfd, input_section));
- else
- (*_bfd_error_handler)
- (_("%s: unresolvable relocation %s against symbol `%s' from %s section"),
- bfd_get_filename (input_bfd),
- cris_elf_howto_table[r_type].name,
- name,
- bfd_get_section_name (input_bfd, input_section));
+ (*_bfd_error_handler)
+ (_("%s: unresolvable relocation %s against symbol `%s' from %s section"),
+ bfd_archive_filename (input_bfd),
+ cris_elf_howto_table[r_type].name,
+ symname,
+ bfd_get_section_name (input_bfd, input_section));
bfd_set_error (bfd_error_bad_value);
return false;
}
else if (h->root.type == bfd_link_hash_undefweak)
relocation = 0;
else if (info->shared
- && !info->symbolic
+ && (!info->symbolic || info->allow_shlib_undefined)
&& !info->no_undefined
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
relocation = 0;
else
{
if (!(info->callbacks->undefined_symbol
- (info, name, input_bfd,
+ (info, symname, input_bfd,
input_section, rel->r_offset,
(!info->shared || info->no_undefined
|| ELF_ST_VISIBILITY (h->other)))))
{
(*_bfd_error_handler)
(_("%s: No PLT nor GOT for relocation %s against symbol `%s' from %s section"),
- bfd_get_filename (input_bfd),
+ bfd_archive_filename (input_bfd),
cris_elf_howto_table[r_type].name,
- name[0] != '\0' ? name : _("[whose name is lost]"),
+ symname[0] != '\0' ? symname : _("[whose name is lost]"),
bfd_get_section_name (input_bfd, input_section));
/* FIXME: Perhaps blaming input is not the right thing to
if (h == NULL)
(*_bfd_error_handler)
(_("%s: relocation %s with non-zero addend %d against local symbol from %s section"),
- bfd_get_filename (input_bfd),
+ bfd_archive_filename (input_bfd),
cris_elf_howto_table[r_type].name,
rel->r_addend,
bfd_get_section_name (input_bfd, input_section));
else
(*_bfd_error_handler)
(_("%s: relocation %s with non-zero addend %d against symbol `%s' from %s section"),
- bfd_get_filename (input_bfd),
+ bfd_archive_filename (input_bfd),
cris_elf_howto_table[r_type].name,
rel->r_addend,
- name[0] != '\0' ? name : _("[whose name is lost]"),
+ symname[0] != '\0' ? symname : _("[whose name is lost]"),
bfd_get_section_name (input_bfd, input_section));
bfd_set_error (bfd_error_bad_value);
{
(*_bfd_error_handler)
(_("%s: relocation %s is not allowed for global symbol: `%s' from %s section"),
- bfd_get_filename (input_bfd),
+ bfd_archive_filename (input_bfd),
cris_elf_howto_table[r_type].name,
- name,
+ symname,
bfd_get_section_name (input_bfd, input_section));
bfd_set_error (bfd_error_bad_value);
return false;
{
(*_bfd_error_handler)
(_("%s: Internal inconsistency; no relocation section %s"),
- bfd_get_filename (input_bfd),
+ bfd_archive_filename (input_bfd),
name);
bfd_set_error (bfd_error_bad_value);
{
case bfd_reloc_overflow:
r = info->callbacks->reloc_overflow
- (info, name, howto->name, (bfd_vma) 0,
+ (info, symname, howto->name, (bfd_vma) 0,
input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
r = info->callbacks->undefined_symbol
- (info, name, input_bfd, input_section, rel->r_offset,
+ (info, symname, input_bfd, input_section, rel->r_offset,
true);
break;
if (msg)
r = info->callbacks->warning
- (info, msg, name, input_bfd, input_section, rel->r_offset);
+ (info, msg, symname, input_bfd, input_section, rel->r_offset);
if (! r)
return false;
asection *sgot;
asection *srela;
Elf_Internal_Rela rela;
+ bfd_byte *where;
/* This symbol has an entry in the global offset table. Set it up. */
rela.r_offset = (sgot->output_section->vma
+ sgot->output_offset
- + (h->got.offset &~ 1));
+ + (h->got.offset &~ (bfd_vma) 1));
/* If this is a static link, or it is a -Bsymbolic link and the
symbol is defined locally or was forced to be local because
of a version file, we just want to emit a RELATIVE reloc.
The entry in the global offset table will already have been
initialized in the relocate_section function. */
+ where = sgot->contents + (h->got.offset &~ (bfd_vma) 1);
if (! elf_hash_table (info)->dynamic_sections_created
|| (info->shared
&& (info->symbolic || h->dynindx == -1)
&& (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
{
rela.r_info = ELF32_R_INFO (0, R_CRIS_RELATIVE);
- rela.r_addend = bfd_get_signed_32 (output_bfd,
- (sgot->contents
- + (h->got.offset & ~1)));
+ rela.r_addend = bfd_get_signed_32 (output_bfd, where);
}
else
{
- bfd_put_32 (output_bfd, (bfd_vma) 0,
- sgot->contents + (h->got.offset & ~1));
+ bfd_put_32 (output_bfd, (bfd_vma) 0, where);
rela.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_GLOB_DAT);
rela.r_addend = 0;
}
if (local_got_refcounts == NULL)
{
- size_t size;
+ bfd_size_type amt;
/* We use index local_got_refcounts[-1] to count all
GOT-relative relocations that do not have explicit
GOT entries. */
- size = (symtab_hdr->sh_info + 1) * sizeof (bfd_signed_vma);
- local_got_refcounts = ((bfd_signed_vma *)
- bfd_alloc (abfd, size));
+ amt = symtab_hdr->sh_info + 1;
+ amt *= sizeof (bfd_signed_vma);
+ local_got_refcounts = ((bfd_signed_vma *) bfd_zalloc (abfd, amt));
if (local_got_refcounts == NULL)
return false;
- memset (local_got_refcounts, -1, size);
local_got_refcounts++;
elf_local_got_refcounts (abfd) = local_got_refcounts;
if (h != NULL)
{
- if (h->got.refcount == -1)
+ if (h->got.refcount == 0)
{
- h->got.refcount = 1;
-
/* Make sure this symbol is output as a dynamic symbol. */
if (h->dynindx == -1)
{
/* Allocate relocation space. */
srelgot->_raw_size += sizeof (Elf32_External_Rela);
}
- else
- h->got.refcount++;
+ h->got.refcount++;
}
else
{
/* This is a global offset table entry for a local symbol. */
- if (local_got_refcounts[r_symndx] == -1)
+ if (local_got_refcounts[r_symndx] == 0)
{
- local_got_refcounts[r_symndx] = 1;
-
sgot->_raw_size += 4;
if (info->shared)
{
srelgot->_raw_size += sizeof (Elf32_External_Rela);
}
}
- else
- local_got_refcounts[r_symndx]++;
+ local_got_refcounts[r_symndx]++;
}
break;
continue;
h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
- if (h->plt.refcount == -1)
- h->plt.refcount = 1;
- else
- h->plt.refcount++;
+ h->plt.refcount++;
break;
case R_CRIS_8:
&& (sec->flags & SEC_READONLY) != 0)
{
/* FIXME: How do we make this optionally a warning only? */
- if (abfd->my_archive)
- (*_bfd_error_handler)
- (_("%s(%s), section %s:\n relocation %s should not be used in a shared object; recompile with -fPIC"),
- bfd_get_filename (bfd_my_archive (abfd)),
- bfd_get_filename (abfd),
- sec->name,
- cris_elf_howto_table[r_type].name);
- else
- (*_bfd_error_handler)
- (_("%s, section %s:\n relocation %s should not be used in a shared object; recompile with -fPIC"),
- bfd_get_filename (abfd),
- sec->name,
- cris_elf_howto_table[r_type].name);
+ (*_bfd_error_handler)
+ (_("%s, section %s:\n relocation %s should not be used in a shared object; recompile with -fPIC"),
+ bfd_archive_filename (abfd),
+ sec->name,
+ cris_elf_howto_table[r_type].name);
}
/* Fall through. */
/* Make sure a plt entry is created for this symbol if it
turns out to be a function defined by a dynamic object. */
- if (h->plt.refcount == -1)
- h->plt.refcount = 1;
- else
- h->plt.refcount++;
+ h->plt.refcount++;
}
/* If we are creating a shared library and this is not a local
|| !bfd_set_section_alignment (dynobj, sreloc, 2))
return false;
}
+ if (sec->flags & SEC_READONLY)
+ info->flags |= DF_TEXTREL;
}
sreloc->_raw_size += sizeof (Elf32_External_Rela);
if (p == NULL)
{
p = ((struct elf_cris_pcrel_relocs_copied *)
- bfd_alloc (dynobj, sizeof *p));
+ bfd_alloc (dynobj, (bfd_size_type) sizeof *p));
if (p == NULL)
return false;
p->next = eh->pcrel_relocs_copied;
static boolean
elf_cris_size_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
{
bfd *dynobj;
asection *s;
boolean plt;
boolean relocs;
- boolean reltext;
dynobj = elf_hash_table (info)->dynobj;
BFD_ASSERT (dynobj != NULL);
memory for them. */
plt = false;
relocs = false;
- reltext = false;
for (s = dynobj->sections; s != NULL; s = s->next)
{
const char *name;
}
else
{
- asection *target;
-
/* Remember whether there are any reloc sections other
than .rela.plt. */
if (strcmp (name, ".rela.plt") != 0)
- {
- const char *outname;
-
relocs = true;
- /* If this relocation section applies to a read only
- section, then we probably need a DT_TEXTREL entry.
- The entries in the .rela.plt section are actually
- associated with .got.plt, which we created ourselves
- and so know is not readonly. */
- outname = bfd_get_section_name (output_bfd,
- s->output_section);
- target
- = bfd_get_section_by_name (output_bfd,
- outname + strlen (".rela"));
-
- /* We have to test the .text section by name, becase for
- some reason it does not have SEC_READONLY set at this
- time. That flag is actually set in ldmain.c:main
- specifically for ".text" at a time long after this
- function is called. FIXME: This might be due to a
- general bug. FIXME: Have testcase for this. */
- if (target != NULL
- && (target->flags & SEC_ALLOC) != 0
- && ((target->flags & SEC_READONLY) != 0
- || strcmp (outname + strlen (".rela"),
- ".text") == 0))
- reltext = true;
- }
-
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
s->reloc_count = 0;
must add the entries now so that we get the correct size for
the .dynamic section. The DT_DEBUG entry is filled in by the
dynamic linker and used by the debugger. */
+#define add_dynamic_entry(TAG, VAL) \
+ bfd_elf32_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
+
if (!info->shared)
{
- if (!bfd_elf32_add_dynamic_entry (info, DT_DEBUG, 0))
+ if (!add_dynamic_entry (DT_DEBUG, 0))
return false;
}
if (plt)
{
- if (!bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0)
- || !bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0)
- || !bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
- || !bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0))
+ if (!add_dynamic_entry (DT_PLTGOT, 0)
+ || !add_dynamic_entry (DT_PLTRELSZ, 0)
+ || !add_dynamic_entry (DT_PLTREL, DT_RELA)
+ || !add_dynamic_entry (DT_JMPREL, 0))
return false;
}
if (relocs)
{
- if (!bfd_elf32_add_dynamic_entry (info, DT_RELA, 0)
- || !bfd_elf32_add_dynamic_entry (info, DT_RELASZ, 0)
- || !bfd_elf32_add_dynamic_entry (info, DT_RELAENT,
- sizeof (Elf32_External_Rela)))
+ if (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
return false;
}
- if (reltext)
+ if ((info->flags & DF_TEXTREL) != 0)
{
- if (!bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0))
+ if (!add_dynamic_entry (DT_TEXTREL, 0))
return false;
info->flags |= DF_TEXTREL;
}
}
+#undef add_dynamic_entry
return true;
}
asection *srelgot;
BFD_ASSERT (dynobj != NULL);
-
+
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
BFD_ASSERT (srelgot != NULL);
((new_flags & EF_CRIS_UNDERSCORE)
? _("%s: uses _-prefixed symbols, but writing file with non-prefixed symbols")
: _("%s: uses non-prefixed symbols, but writing file with _-prefixed symbols"),
- bfd_get_filename (ibfd));
+ bfd_archive_filename (ibfd));
bfd_set_error (bfd_error_bad_value);
return false;
}
return true;
}
+
+
+static enum elf_reloc_type_class
+elf_cris_reloc_type_class (rela)
+ const Elf_Internal_Rela *rela;
+{
+ switch ((int) ELF32_R_TYPE (rela->r_info))
+ {
+ case R_CRIS_RELATIVE:
+ return reloc_class_relative;
+ case R_CRIS_JUMP_SLOT:
+ return reloc_class_plt;
+ case R_CRIS_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
+}
\f
#define ELF_ARCH bfd_arch_cris
#define ELF_MACHINE_CODE EM_CRIS
#define elf_backend_gc_mark_hook cris_elf_gc_mark_hook
#define elf_backend_gc_sweep_hook cris_elf_gc_sweep_hook
#define elf_backend_check_relocs cris_elf_check_relocs
+#define elf_backend_grok_prstatus cris_elf_grok_prstatus
+#define elf_backend_grok_psinfo cris_elf_grok_psinfo
#define elf_backend_can_gc_sections 1
+#define elf_backend_can_refcount 1
#define elf_backend_object_p cris_elf_object_p
#define elf_backend_final_write_processing \
#define bfd_elf32_bfd_final_link \
_bfd_elf32_gc_common_final_link
#define elf_backend_hide_symbol elf_cris_hide_symbol
+#define elf_backend_reloc_type_class elf_cris_reloc_type_class
#define elf_backend_want_got_plt 1
#define elf_backend_plt_readonly 1
projects / deliverable / binutils-gdb.git / blobdiff