+int
+bfd_elf_get_dyn_lib_class (bfd *abfd)
+{
+ int lib_class;
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
+ && bfd_get_format (abfd) == bfd_object)
+ lib_class = elf_dyn_lib_class (abfd);
+ else
+ lib_class = 0;
+ return lib_class;
+}
+
+void
+bfd_elf_set_dyn_lib_class (bfd *abfd, enum dynamic_lib_link_class lib_class)
+{
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
+ && bfd_get_format (abfd) == bfd_object)
+ elf_dyn_lib_class (abfd) = lib_class;
+}
+
+/* Get the list of DT_NEEDED entries for a link. This is a hook for
+ the linker ELF emulation code. */
+
+struct bfd_link_needed_list *
+bfd_elf_get_needed_list (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
+{
+ if (! is_elf_hash_table (info->hash))
+ return NULL;
+ return elf_hash_table (info)->needed;
+}
+
+/* Get the list of DT_RPATH/DT_RUNPATH entries for a link. This is a
+ hook for the linker ELF emulation code. */
+
+struct bfd_link_needed_list *
+bfd_elf_get_runpath_list (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
+{
+ if (! is_elf_hash_table (info->hash))
+ return NULL;
+ return elf_hash_table (info)->runpath;
+}
+
+/* Get the name actually used for a dynamic object for a link. This
+ is the SONAME entry if there is one. Otherwise, it is the string
+ passed to bfd_elf_set_dt_needed_name, or it is the filename. */
+
+const char *
+bfd_elf_get_dt_soname (bfd *abfd)
+{
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
+ && bfd_get_format (abfd) == bfd_object)
+ return elf_dt_name (abfd);
+ return NULL;
+}
+
+/* Get the list of DT_NEEDED entries from a BFD. This is a hook for
+ the ELF linker emulation code. */
+
+bfd_boolean
+bfd_elf_get_bfd_needed_list (bfd *abfd,
+ struct bfd_link_needed_list **pneeded)
+{
+ asection *s;
+ bfd_byte *dynbuf = NULL;
+ unsigned int elfsec;
+ unsigned long shlink;
+ bfd_byte *extdyn, *extdynend;
+ size_t extdynsize;
+ void (*swap_dyn_in) (bfd *, const void *, Elf_Internal_Dyn *);
+
+ *pneeded = NULL;
+
+ if (bfd_get_flavour (abfd) != bfd_target_elf_flavour
+ || bfd_get_format (abfd) != bfd_object)
+ return TRUE;
+
+ s = bfd_get_section_by_name (abfd, ".dynamic");
+ if (s == NULL || s->size == 0)
+ return TRUE;
+
+ if (!bfd_malloc_and_get_section (abfd, s, &dynbuf))
+ goto error_return;
+
+ elfsec = _bfd_elf_section_from_bfd_section (abfd, s);
+ if (elfsec == SHN_BAD)
+ goto error_return;
+
+ shlink = elf_elfsections (abfd)[elfsec]->sh_link;
+
+ extdynsize = get_elf_backend_data (abfd)->s->sizeof_dyn;
+ swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in;
+
+ extdyn = dynbuf;
+ extdynend = extdyn + s->size;
+ for (; extdyn < extdynend; extdyn += extdynsize)
+ {
+ Elf_Internal_Dyn dyn;
+
+ (*swap_dyn_in) (abfd, extdyn, &dyn);
+
+ if (dyn.d_tag == DT_NULL)
+ break;
+
+ if (dyn.d_tag == DT_NEEDED)
+ {
+ const char *string;
+ struct bfd_link_needed_list *l;
+ unsigned int tagv = dyn.d_un.d_val;
+ bfd_size_type amt;
+
+ string = bfd_elf_string_from_elf_section (abfd, shlink, tagv);
+ if (string == NULL)
+ goto error_return;
+
+ amt = sizeof *l;
+ l = bfd_alloc (abfd, amt);
+ if (l == NULL)
+ goto error_return;
+
+ l->by = abfd;
+ l->name = string;
+ l->next = *pneeded;
+ *pneeded = l;
+ }
+ }
+
+ free (dynbuf);
+
+ return TRUE;
+
+ error_return:
+ if (dynbuf != NULL)
+ free (dynbuf);
+ return FALSE;
+}
+
+struct elf_symbuf_symbol
+{
+ unsigned long st_name; /* Symbol name, index in string tbl */
+ unsigned char st_info; /* Type and binding attributes */
+ unsigned char st_other; /* Visibilty, and target specific */
+};
+
+struct elf_symbuf_head
+{
+ struct elf_symbuf_symbol *ssym;
+ bfd_size_type count;
+ unsigned int st_shndx;
+};
+
+struct elf_symbol
+{
+ union
+ {
+ Elf_Internal_Sym *isym;
+ struct elf_symbuf_symbol *ssym;
+ } u;
+ const char *name;
+};
+
+/* Sort references to symbols by ascending section number. */
+
+static int
+elf_sort_elf_symbol (const void *arg1, const void *arg2)
+{
+ const Elf_Internal_Sym *s1 = *(const Elf_Internal_Sym **) arg1;
+ const Elf_Internal_Sym *s2 = *(const Elf_Internal_Sym **) arg2;
+
+ return s1->st_shndx - s2->st_shndx;
+}
+
+static int
+elf_sym_name_compare (const void *arg1, const void *arg2)
+{
+ const struct elf_symbol *s1 = (const struct elf_symbol *) arg1;
+ const struct elf_symbol *s2 = (const struct elf_symbol *) arg2;
+ return strcmp (s1->name, s2->name);
+}
+
+static struct elf_symbuf_head *
+elf_create_symbuf (bfd_size_type symcount, Elf_Internal_Sym *isymbuf)
+{
+ Elf_Internal_Sym **ind, **indbufend, **indbuf;
+ struct elf_symbuf_symbol *ssym;
+ struct elf_symbuf_head *ssymbuf, *ssymhead;
+ bfd_size_type i, shndx_count, total_size;
+
+ indbuf = bfd_malloc2 (symcount, sizeof (*indbuf));
+ if (indbuf == NULL)
+ return NULL;
+
+ for (ind = indbuf, i = 0; i < symcount; i++)
+ if (isymbuf[i].st_shndx != SHN_UNDEF)
+ *ind++ = &isymbuf[i];
+ indbufend = ind;
+
+ qsort (indbuf, indbufend - indbuf, sizeof (Elf_Internal_Sym *),
+ elf_sort_elf_symbol);
+
+ shndx_count = 0;
+ if (indbufend > indbuf)
+ for (ind = indbuf, shndx_count++; ind < indbufend - 1; ind++)
+ if (ind[0]->st_shndx != ind[1]->st_shndx)
+ shndx_count++;
+
+ total_size = ((shndx_count + 1) * sizeof (*ssymbuf)
+ + (indbufend - indbuf) * sizeof (*ssym));
+ ssymbuf = bfd_malloc (total_size);
+ if (ssymbuf == NULL)
+ {
+ free (indbuf);
+ return NULL;
+ }
+
+ ssym = (struct elf_symbuf_symbol *) (ssymbuf + shndx_count + 1);
+ ssymbuf->ssym = NULL;
+ ssymbuf->count = shndx_count;
+ ssymbuf->st_shndx = 0;
+ for (ssymhead = ssymbuf, ind = indbuf; ind < indbufend; ssym++, ind++)
+ {
+ if (ind == indbuf || ssymhead->st_shndx != (*ind)->st_shndx)
+ {
+ ssymhead++;
+ ssymhead->ssym = ssym;
+ ssymhead->count = 0;
+ ssymhead->st_shndx = (*ind)->st_shndx;
+ }
+ ssym->st_name = (*ind)->st_name;
+ ssym->st_info = (*ind)->st_info;
+ ssym->st_other = (*ind)->st_other;
+ ssymhead->count++;
+ }
+ BFD_ASSERT ((bfd_size_type) (ssymhead - ssymbuf) == shndx_count
+ && (((bfd_hostptr_t) ssym - (bfd_hostptr_t) ssymbuf)
+ == total_size));
+
+ free (indbuf);
+ return ssymbuf;
+}
+
+/* Check if 2 sections define the same set of local and global
+ symbols. */
+
+static bfd_boolean
+bfd_elf_match_symbols_in_sections (asection *sec1, asection *sec2,
+ struct bfd_link_info *info)
+{
+ bfd *bfd1, *bfd2;
+ const struct elf_backend_data *bed1, *bed2;
+ Elf_Internal_Shdr *hdr1, *hdr2;
+ bfd_size_type symcount1, symcount2;
+ Elf_Internal_Sym *isymbuf1, *isymbuf2;
+ struct elf_symbuf_head *ssymbuf1, *ssymbuf2;
+ Elf_Internal_Sym *isym, *isymend;
+ struct elf_symbol *symtable1 = NULL, *symtable2 = NULL;
+ bfd_size_type count1, count2, i;
+ unsigned int shndx1, shndx2;
+ bfd_boolean result;
+
+ bfd1 = sec1->owner;
+ bfd2 = sec2->owner;
+
+ /* Both sections have to be in ELF. */
+ if (bfd_get_flavour (bfd1) != bfd_target_elf_flavour
+ || bfd_get_flavour (bfd2) != bfd_target_elf_flavour)
+ return FALSE;
+
+ if (elf_section_type (sec1) != elf_section_type (sec2))
+ return FALSE;
+
+ shndx1 = _bfd_elf_section_from_bfd_section (bfd1, sec1);
+ shndx2 = _bfd_elf_section_from_bfd_section (bfd2, sec2);
+ if (shndx1 == SHN_BAD || shndx2 == SHN_BAD)
+ return FALSE;
+
+ bed1 = get_elf_backend_data (bfd1);
+ bed2 = get_elf_backend_data (bfd2);
+ hdr1 = &elf_tdata (bfd1)->symtab_hdr;
+ symcount1 = hdr1->sh_size / bed1->s->sizeof_sym;
+ hdr2 = &elf_tdata (bfd2)->symtab_hdr;
+ symcount2 = hdr2->sh_size / bed2->s->sizeof_sym;
+
+ if (symcount1 == 0 || symcount2 == 0)
+ return FALSE;
+
+ result = FALSE;
+ isymbuf1 = NULL;
+ isymbuf2 = NULL;
+ ssymbuf1 = elf_tdata (bfd1)->symbuf;
+ ssymbuf2 = elf_tdata (bfd2)->symbuf;
+
+ if (ssymbuf1 == NULL)
+ {
+ isymbuf1 = bfd_elf_get_elf_syms (bfd1, hdr1, symcount1, 0,
+ NULL, NULL, NULL);
+ if (isymbuf1 == NULL)
+ goto done;
+
+ if (!info->reduce_memory_overheads)
+ elf_tdata (bfd1)->symbuf = ssymbuf1
+ = elf_create_symbuf (symcount1, isymbuf1);
+ }
+
+ if (ssymbuf1 == NULL || ssymbuf2 == NULL)
+ {
+ isymbuf2 = bfd_elf_get_elf_syms (bfd2, hdr2, symcount2, 0,
+ NULL, NULL, NULL);
+ if (isymbuf2 == NULL)
+ goto done;
+
+ if (ssymbuf1 != NULL && !info->reduce_memory_overheads)
+ elf_tdata (bfd2)->symbuf = ssymbuf2
+ = elf_create_symbuf (symcount2, isymbuf2);
+ }
+
+ if (ssymbuf1 != NULL && ssymbuf2 != NULL)
+ {
+ /* Optimized faster version. */
+ bfd_size_type lo, hi, mid;
+ struct elf_symbol *symp;
+ struct elf_symbuf_symbol *ssym, *ssymend;
+
+ lo = 0;
+ hi = ssymbuf1->count;
+ ssymbuf1++;
+ count1 = 0;
+ while (lo < hi)
+ {
+ mid = (lo + hi) / 2;
+ if (shndx1 < ssymbuf1[mid].st_shndx)
+ hi = mid;
+ else if (shndx1 > ssymbuf1[mid].st_shndx)
+ lo = mid + 1;
+ else
+ {
+ count1 = ssymbuf1[mid].count;
+ ssymbuf1 += mid;
+ break;
+ }
+ }
+
+ lo = 0;
+ hi = ssymbuf2->count;
+ ssymbuf2++;
+ count2 = 0;
+ while (lo < hi)
+ {
+ mid = (lo + hi) / 2;
+ if (shndx2 < ssymbuf2[mid].st_shndx)
+ hi = mid;
+ else if (shndx2 > ssymbuf2[mid].st_shndx)
+ lo = mid + 1;
+ else
+ {
+ count2 = ssymbuf2[mid].count;
+ ssymbuf2 += mid;
+ break;
+ }
+ }
+
+ if (count1 == 0 || count2 == 0 || count1 != count2)
+ goto done;
+
+ symtable1 = bfd_malloc (count1 * sizeof (struct elf_symbol));
+ symtable2 = bfd_malloc (count2 * sizeof (struct elf_symbol));
+ if (symtable1 == NULL || symtable2 == NULL)
+ goto done;
+
+ symp = symtable1;
+ for (ssym = ssymbuf1->ssym, ssymend = ssym + count1;
+ ssym < ssymend; ssym++, symp++)
+ {
+ symp->u.ssym = ssym;
+ symp->name = bfd_elf_string_from_elf_section (bfd1,
+ hdr1->sh_link,
+ ssym->st_name);
+ }
+
+ symp = symtable2;
+ for (ssym = ssymbuf2->ssym, ssymend = ssym + count2;
+ ssym < ssymend; ssym++, symp++)
+ {
+ symp->u.ssym = ssym;
+ symp->name = bfd_elf_string_from_elf_section (bfd2,
+ hdr2->sh_link,
+ ssym->st_name);
+ }
+
+ /* Sort symbol by name. */
+ qsort (symtable1, count1, sizeof (struct elf_symbol),
+ elf_sym_name_compare);
+ qsort (symtable2, count1, sizeof (struct elf_symbol),
+ elf_sym_name_compare);
+
+ for (i = 0; i < count1; i++)
+ /* Two symbols must have the same binding, type and name. */
+ if (symtable1 [i].u.ssym->st_info != symtable2 [i].u.ssym->st_info
+ || symtable1 [i].u.ssym->st_other != symtable2 [i].u.ssym->st_other
+ || strcmp (symtable1 [i].name, symtable2 [i].name) != 0)
+ goto done;
+
+ result = TRUE;
+ goto done;
+ }
+
+ symtable1 = bfd_malloc (symcount1 * sizeof (struct elf_symbol));
+ symtable2 = bfd_malloc (symcount2 * sizeof (struct elf_symbol));
+ if (symtable1 == NULL || symtable2 == NULL)
+ goto done;
+
+ /* Count definitions in the section. */
+ count1 = 0;
+ for (isym = isymbuf1, isymend = isym + symcount1; isym < isymend; isym++)
+ if (isym->st_shndx == shndx1)
+ symtable1[count1++].u.isym = isym;
+
+ count2 = 0;
+ for (isym = isymbuf2, isymend = isym + symcount2; isym < isymend; isym++)
+ if (isym->st_shndx == shndx2)
+ symtable2[count2++].u.isym = isym;
+
+ if (count1 == 0 || count2 == 0 || count1 != count2)
+ goto done;
+
+ for (i = 0; i < count1; i++)
+ symtable1[i].name
+ = bfd_elf_string_from_elf_section (bfd1, hdr1->sh_link,
+ symtable1[i].u.isym->st_name);
+
+ for (i = 0; i < count2; i++)
+ symtable2[i].name
+ = bfd_elf_string_from_elf_section (bfd2, hdr2->sh_link,
+ symtable2[i].u.isym->st_name);
+
+ /* Sort symbol by name. */
+ qsort (symtable1, count1, sizeof (struct elf_symbol),
+ elf_sym_name_compare);
+ qsort (symtable2, count1, sizeof (struct elf_symbol),
+ elf_sym_name_compare);
+
+ for (i = 0; i < count1; i++)
+ /* Two symbols must have the same binding, type and name. */
+ if (symtable1 [i].u.isym->st_info != symtable2 [i].u.isym->st_info
+ || symtable1 [i].u.isym->st_other != symtable2 [i].u.isym->st_other
+ || strcmp (symtable1 [i].name, symtable2 [i].name) != 0)
+ goto done;
+
+ result = TRUE;
+
+done:
+ if (symtable1)
+ free (symtable1);
+ if (symtable2)
+ free (symtable2);
+ if (isymbuf1)
+ free (isymbuf1);
+ if (isymbuf2)
+ free (isymbuf2);
+
+ return result;
+}
+
+/* Return TRUE if 2 section types are compatible. */
+
+bfd_boolean
+_bfd_elf_match_sections_by_type (bfd *abfd, const asection *asec,
+ bfd *bbfd, const asection *bsec)
+{
+ if (asec == NULL
+ || bsec == NULL
+ || abfd->xvec->flavour != bfd_target_elf_flavour
+ || bbfd->xvec->flavour != bfd_target_elf_flavour)
+ return TRUE;
+
+ return elf_section_type (asec) == elf_section_type (bsec);
+}
+\f
+/* Final phase of ELF linker. */
+
+/* A structure we use to avoid passing large numbers of arguments. */
+
+struct elf_final_link_info
+{
+ /* General link information. */
+ struct bfd_link_info *info;
+ /* Output BFD. */
+ bfd *output_bfd;
+ /* Symbol string table. */
+ struct bfd_strtab_hash *symstrtab;
+ /* .dynsym section. */
+ asection *dynsym_sec;
+ /* .hash section. */
+ asection *hash_sec;
+ /* symbol version section (.gnu.version). */
+ asection *symver_sec;
+ /* Buffer large enough to hold contents of any section. */
+ bfd_byte *contents;
+ /* Buffer large enough to hold external relocs of any section. */
+ void *external_relocs;
+ /* Buffer large enough to hold internal relocs of any section. */
+ Elf_Internal_Rela *internal_relocs;
+ /* Buffer large enough to hold external local symbols of any input
+ BFD. */
+ bfd_byte *external_syms;
+ /* And a buffer for symbol section indices. */
+ Elf_External_Sym_Shndx *locsym_shndx;
+ /* Buffer large enough to hold internal local symbols of any input
+ BFD. */
+ Elf_Internal_Sym *internal_syms;
+ /* Array large enough to hold a symbol index for each local symbol
+ of any input BFD. */
+ long *indices;
+ /* Array large enough to hold a section pointer for each local
+ symbol of any input BFD. */
+ asection **sections;
+ /* Buffer to hold swapped out symbols. */
+ bfd_byte *symbuf;
+ /* And one for symbol section indices. */
+ Elf_External_Sym_Shndx *symshndxbuf;
+ /* Number of swapped out symbols in buffer. */
+ size_t symbuf_count;
+ /* Number of symbols which fit in symbuf. */
+ size_t symbuf_size;
+ /* And same for symshndxbuf. */
+ size_t shndxbuf_size;
+};
+
+/* This struct is used to pass information to elf_link_output_extsym. */
+
+struct elf_outext_info
+{
+ bfd_boolean failed;
+ bfd_boolean localsyms;
+ struct elf_final_link_info *finfo;
+};
+
+
+/* Support for evaluating a complex relocation.
+
+ Complex relocations are generalized, self-describing relocations. The
+ implementation of them consists of two parts: complex symbols, and the
+ relocations themselves.
+
+ The relocations are use a reserved elf-wide relocation type code (R_RELC
+ external / BFD_RELOC_RELC internal) and an encoding of relocation field
+ information (start bit, end bit, word width, etc) into the addend. This
+ information is extracted from CGEN-generated operand tables within gas.
+
+ Complex symbols are mangled symbols (BSF_RELC external / STT_RELC
+ internal) representing prefix-notation expressions, including but not
+ limited to those sorts of expressions normally encoded as addends in the
+ addend field. The symbol mangling format is:
+
+ <node> := <literal>
+ | <unary-operator> ':' <node>
+ | <binary-operator> ':' <node> ':' <node>
+ ;
+
+ <literal> := 's' <digits=N> ':' <N character symbol name>
+ | 'S' <digits=N> ':' <N character section name>
+ | '#' <hexdigits>
+ ;
+
+ <binary-operator> := as in C
+ <unary-operator> := as in C, plus "0-" for unambiguous negation. */
+
+static void
+set_symbol_value (bfd *bfd_with_globals,
+ Elf_Internal_Sym *isymbuf,
+ size_t locsymcount,
+ size_t symidx,
+ bfd_vma val)
+{
+ struct elf_link_hash_entry **sym_hashes;
+ struct elf_link_hash_entry *h;
+ size_t extsymoff = locsymcount;
+
+ if (symidx < locsymcount)
+ {
+ Elf_Internal_Sym *sym;
+
+ sym = isymbuf + symidx;
+ if (ELF_ST_BIND (sym->st_info) == STB_LOCAL)
+ {
+ /* It is a local symbol: move it to the
+ "absolute" section and give it a value. */
+ sym->st_shndx = SHN_ABS;
+ sym->st_value = val;
+ return;
+ }
+ BFD_ASSERT (elf_bad_symtab (bfd_with_globals));
+ extsymoff = 0;
+ }
+
+ /* It is a global symbol: set its link type
+ to "defined" and give it a value. */
+
+ sym_hashes = elf_sym_hashes (bfd_with_globals);
+ h = sym_hashes [symidx - extsymoff];
+ 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->root.type = bfd_link_hash_defined;
+ h->root.u.def.value = val;
+ h->root.u.def.section = bfd_abs_section_ptr;
+}
+
+static bfd_boolean
+resolve_symbol (const char *name,
+ bfd *input_bfd,
+ struct elf_final_link_info *finfo,
+ bfd_vma *result,
+ Elf_Internal_Sym *isymbuf,
+ size_t locsymcount)
+{
+ Elf_Internal_Sym *sym;
+ struct bfd_link_hash_entry *global_entry;
+ const char *candidate = NULL;
+ Elf_Internal_Shdr *symtab_hdr;
+ size_t i;
+
+ symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
+
+ for (i = 0; i < locsymcount; ++ i)
+ {
+ sym = isymbuf + i;
+
+ if (ELF_ST_BIND (sym->st_info) != STB_LOCAL)
+ continue;
+
+ candidate = bfd_elf_string_from_elf_section (input_bfd,
+ symtab_hdr->sh_link,
+ sym->st_name);
+#ifdef DEBUG
+ printf ("Comparing string: '%s' vs. '%s' = 0x%lx\n",
+ name, candidate, (unsigned long) sym->st_value);
+#endif
+ if (candidate && strcmp (candidate, name) == 0)
+ {
+ asection *sec = finfo->sections [i];
+
+ *result = _bfd_elf_rel_local_sym (input_bfd, sym, &sec, 0);
+ *result += sec->output_offset + sec->output_section->vma;
+#ifdef DEBUG
+ printf ("Found symbol with value %8.8lx\n",
+ (unsigned long) *result);
+#endif
+ return TRUE;
+ }
+ }
+
+ /* Hmm, haven't found it yet. perhaps it is a global. */
+ global_entry = bfd_link_hash_lookup (finfo->info->hash, name,
+ FALSE, FALSE, TRUE);
+ if (!global_entry)
+ return FALSE;
+
+ if (global_entry->type == bfd_link_hash_defined
+ || global_entry->type == bfd_link_hash_defweak)
+ {
+ *result = (global_entry->u.def.value
+ + global_entry->u.def.section->output_section->vma
+ + global_entry->u.def.section->output_offset);
+#ifdef DEBUG
+ printf ("Found GLOBAL symbol '%s' with value %8.8lx\n",
+ global_entry->root.string, (unsigned long) *result);
+#endif
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static bfd_boolean
+resolve_section (const char *name,
+ asection *sections,
+ bfd_vma *result)
+{
+ asection *curr;
+ unsigned int len;
+
+ for (curr = sections; curr; curr = curr->next)
+ if (strcmp (curr->name, name) == 0)
+ {
+ *result = curr->vma;
+ return TRUE;
+ }
+
+ /* Hmm. still haven't found it. try pseudo-section names. */
+ for (curr = sections; curr; curr = curr->next)
+ {
+ len = strlen (curr->name);
+ if (len > strlen (name))
+ continue;
+
+ if (strncmp (curr->name, name, len) == 0)
+ {
+ if (strncmp (".end", name + len, 4) == 0)
+ {
+ *result = curr->vma + curr->size;
+ return TRUE;
+ }
+
+ /* Insert more pseudo-section names here, if you like. */
+ }
+ }
+
+ return FALSE;
+}
+
+static void
+undefined_reference (const char *reftype, const char *name)
+{
+ _bfd_error_handler (_("undefined %s reference in complex symbol: %s"),
+ reftype, name);
+}
+
+static bfd_boolean
+eval_symbol (bfd_vma *result,
+ const char **symp,
+ bfd *input_bfd,
+ struct elf_final_link_info *finfo,
+ bfd_vma dot,
+ Elf_Internal_Sym *isymbuf,
+ size_t locsymcount,
+ int signed_p)
+{
+ size_t len;
+ size_t symlen;
+ bfd_vma a;
+ bfd_vma b;
+ char symbuf[4096];
+ const char *sym = *symp;
+ const char *symend;
+ bfd_boolean symbol_is_section = FALSE;
+
+ len = strlen (sym);
+ symend = sym + len;
+
+ if (len < 1 || len > sizeof (symbuf))
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return FALSE;
+ }
+
+ switch (* sym)
+ {
+ case '.':
+ *result = dot;
+ *symp = sym + 1;
+ return TRUE;
+
+ case '#':
+ ++sym;
+ *result = strtoul (sym, (char **) symp, 16);
+ return TRUE;
+
+ case 'S':
+ symbol_is_section = TRUE;
+ case 's':
+ ++sym;
+ symlen = strtol (sym, (char **) symp, 10);
+ sym = *symp + 1; /* Skip the trailing ':'. */
+
+ if (symend < sym || symlen + 1 > sizeof (symbuf))
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return FALSE;
+ }
+
+ memcpy (symbuf, sym, symlen);
+ symbuf[symlen] = '\0';
+ *symp = sym + symlen;
+
+ /* Is it always possible, with complex symbols, that gas "mis-guessed"
+ the symbol as a section, or vice-versa. so we're pretty liberal in our
+ interpretation here; section means "try section first", not "must be a
+ section", and likewise with symbol. */
+
+ if (symbol_is_section)
+ {
+ if (!resolve_section (symbuf, finfo->output_bfd->sections, result)
+ && !resolve_symbol (symbuf, input_bfd, finfo, result,
+ isymbuf, locsymcount))
projects / deliverable / binutils-gdb.git / blobdiff