+ return FALSE;
+ }
+
+ if (! debug_write_linenos (info, fns, fhandle, block->end))
+ return FALSE;
+
+ if (block->locals != NULL || block->parent == NULL)
+ {
+ if (! (*fns->end_block) (fhandle, block->end))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/* Write out line number information up to ADDRESS. */
+
+static bfd_boolean
+debug_write_linenos (struct debug_handle *info,
+ const struct debug_write_fns *fns, void *fhandle,
+ bfd_vma address)
+{
+ while (info->current_write_lineno != NULL)
+ {
+ struct debug_lineno *l;
+
+ l = info->current_write_lineno;
+
+ while (info->current_write_lineno_index < DEBUG_LINENO_COUNT)
+ {
+ if (l->linenos[info->current_write_lineno_index]
+ == (unsigned long) -1)
+ break;
+
+ if (l->addrs[info->current_write_lineno_index] >= address)
+ return TRUE;
+
+ if (! (*fns->lineno) (fhandle, l->file->filename,
+ l->linenos[info->current_write_lineno_index],
+ l->addrs[info->current_write_lineno_index]))
+ return FALSE;
+
+ ++info->current_write_lineno_index;
+ }
+
+ info->current_write_lineno = l->next;
+ info->current_write_lineno_index = 0;
+ }
+
+ return TRUE;
+}
+
+/* Get the ID number for a class. If during the same call to
+ debug_write we find a struct with the same definition with the same
+ name, we use the same ID. This type of things happens because the
+ same struct will be defined by multiple compilation units. */
+
+static bfd_boolean
+debug_set_class_id (struct debug_handle *info, const char *tag,
+ struct debug_type_s *type)
+{
+ struct debug_class_type *c;
+ struct debug_class_id *l;
+
+ assert (type->kind == DEBUG_KIND_STRUCT
+ || type->kind == DEBUG_KIND_UNION
+ || type->kind == DEBUG_KIND_CLASS
+ || type->kind == DEBUG_KIND_UNION_CLASS);
+
+ c = type->u.kclass;
+
+ if (c->id > info->base_id)
+ return TRUE;
+
+ for (l = info->id_list; l != NULL; l = l->next)
+ {
+ if (l->type->kind != type->kind)
+ continue;
+
+ if (tag == NULL)
+ {
+ if (l->tag != NULL)
+ continue;
+ }
+ else
+ {
+ if (l->tag == NULL
+ || l->tag[0] != tag[0]
+ || strcmp (l->tag, tag) != 0)
+ continue;
+ }
+
+ if (debug_type_samep (info, l->type, type))
+ {
+ c->id = l->type->u.kclass->id;
+ return TRUE;
+ }
+ }
+
+ /* There are no identical types. Use a new ID, and add it to the
+ list. */
+ ++info->class_id;
+ c->id = info->class_id;
+
+ l = (struct debug_class_id *) xmalloc (sizeof *l);
+ memset (l, 0, sizeof *l);
+
+ l->type = type;
+ l->tag = tag;
+
+ l->next = info->id_list;
+ info->id_list = l;
+
+ return TRUE;
+}
+
+/* See if two types are the same. At this point, we don't care about
+ tags and the like. */
+
+static bfd_boolean
+debug_type_samep (struct debug_handle *info, struct debug_type_s *t1,
+ struct debug_type_s *t2)
+{
+ struct debug_type_compare_list *l;
+ struct debug_type_compare_list top;
+ bfd_boolean ret;
+
+ if (t1 == NULL)
+ return t2 == NULL;
+ if (t2 == NULL)
+ return FALSE;
+
+ while (t1->kind == DEBUG_KIND_INDIRECT)
+ {
+ t1 = *t1->u.kindirect->slot;
+ if (t1 == NULL)
+ return FALSE;
+ }
+ while (t2->kind == DEBUG_KIND_INDIRECT)
+ {
+ t2 = *t2->u.kindirect->slot;
+ if (t2 == NULL)
+ return FALSE;
+ }
+
+ if (t1 == t2)
+ return TRUE;
+
+ /* As a special case, permit a typedef to match a tag, since C++
+ debugging output will sometimes add a typedef where C debugging
+ output will not. */
+ if (t1->kind == DEBUG_KIND_NAMED
+ && t2->kind == DEBUG_KIND_TAGGED)
+ return debug_type_samep (info, t1->u.knamed->type, t2);
+ else if (t1->kind == DEBUG_KIND_TAGGED
+ && t2->kind == DEBUG_KIND_NAMED)
+ return debug_type_samep (info, t1, t2->u.knamed->type);
+
+ if (t1->kind != t2->kind
+ || t1->size != t2->size)
+ return FALSE;
+
+ /* Get rid of the trivial cases first. */
+ switch (t1->kind)
+ {
+ default:
+ break;
+ case DEBUG_KIND_VOID:
+ case DEBUG_KIND_FLOAT:
+ case DEBUG_KIND_COMPLEX:
+ case DEBUG_KIND_BOOL:
+ return TRUE;
+ case DEBUG_KIND_INT:
+ return t1->u.kint == t2->u.kint;
+ }
+
+ /* We have to avoid an infinite recursion. We do this by keeping a
+ list of types which we are comparing. We just keep the list on
+ the stack. If we encounter a pair of types we are currently
+ comparing, we just assume that they are equal. */
+ for (l = info->compare_list; l != NULL; l = l->next)
+ {
+ if (l->t1 == t1 && l->t2 == t2)
+ return TRUE;
+ }
+
+ top.t1 = t1;
+ top.t2 = t2;
+ top.next = info->compare_list;
+ info->compare_list = ⊤
+
+ switch (t1->kind)
+ {
+ default:
+ abort ();
+ ret = FALSE;
+ break;
+
+ case DEBUG_KIND_STRUCT:
+ case DEBUG_KIND_UNION:
+ case DEBUG_KIND_CLASS:
+ case DEBUG_KIND_UNION_CLASS:
+ if (t1->u.kclass == NULL)
+ ret = t2->u.kclass == NULL;
+ else if (t2->u.kclass == NULL)
+ ret = FALSE;
+ else if (t1->u.kclass->id > info->base_id
+ && t1->u.kclass->id == t2->u.kclass->id)
+ ret = TRUE;
+ else
+ ret = debug_class_type_samep (info, t1, t2);
+ break;
+
+ case DEBUG_KIND_ENUM:
+ if (t1->u.kenum == NULL)
+ ret = t2->u.kenum == NULL;
+ else if (t2->u.kenum == NULL)
+ ret = FALSE;
+ else
+ {
+ const char **pn1, **pn2;
+ bfd_signed_vma *pv1, *pv2;
+
+ pn1 = t1->u.kenum->names;
+ pn2 = t2->u.kenum->names;
+ pv1 = t1->u.kenum->values;
+ pv2 = t2->u.kenum->values;
+ while (*pn1 != NULL && *pn2 != NULL)
+ {
+ if (**pn1 != **pn2
+ || *pv1 != *pv2
+ || strcmp (*pn1, *pn2) != 0)
+ break;
+ ++pn1;
+ ++pn2;
+ ++pv1;
+ ++pv2;
+ }
+ ret = *pn1 == NULL && *pn2 == NULL;
+ }
+ break;
+
+ case DEBUG_KIND_POINTER:
+ ret = debug_type_samep (info, t1->u.kpointer, t2->u.kpointer);
+ break;
+
+ case DEBUG_KIND_FUNCTION:
+ if (t1->u.kfunction->varargs != t2->u.kfunction->varargs
+ || ! debug_type_samep (info, t1->u.kfunction->return_type,
+ t2->u.kfunction->return_type)
+ || ((t1->u.kfunction->arg_types == NULL)
+ != (t2->u.kfunction->arg_types == NULL)))
+ ret = FALSE;
+ else if (t1->u.kfunction->arg_types == NULL)
+ ret = TRUE;
+ else
+ {
+ struct debug_type_s **a1, **a2;
+
+ a1 = t1->u.kfunction->arg_types;
+ a2 = t2->u.kfunction->arg_types;
+ while (*a1 != NULL && *a2 != NULL)
+ {
+ if (! debug_type_samep (info, *a1, *a2))
+ break;
+ ++a1;
+ ++a2;
+ }
+ ret = *a1 == NULL && *a2 == NULL;
+ }
+ break;
+
+ case DEBUG_KIND_REFERENCE:
+ ret = debug_type_samep (info, t1->u.kreference, t2->u.kreference);
+ break;
+
+ case DEBUG_KIND_RANGE:
+ ret = (t1->u.krange->lower == t2->u.krange->lower
+ && t1->u.krange->upper == t2->u.krange->upper
+ && debug_type_samep (info, t1->u.krange->type,
+ t2->u.krange->type));
+ break;
+
+ case DEBUG_KIND_ARRAY:
+ ret = (t1->u.karray->lower == t2->u.karray->lower
+ && t1->u.karray->upper == t2->u.karray->upper
+ && t1->u.karray->stringp == t2->u.karray->stringp
+ && debug_type_samep (info, t1->u.karray->element_type,
+ t2->u.karray->element_type));
+ break;
+
+ case DEBUG_KIND_SET:
+ ret = (t1->u.kset->bitstringp == t2->u.kset->bitstringp
+ && debug_type_samep (info, t1->u.kset->type, t2->u.kset->type));
+ break;
+
+ case DEBUG_KIND_OFFSET:
+ ret = (debug_type_samep (info, t1->u.koffset->base_type,
+ t2->u.koffset->base_type)
+ && debug_type_samep (info, t1->u.koffset->target_type,
+ t2->u.koffset->target_type));
+ break;
+
+ case DEBUG_KIND_METHOD:
+ if (t1->u.kmethod->varargs != t2->u.kmethod->varargs
+ || ! debug_type_samep (info, t1->u.kmethod->return_type,
+ t2->u.kmethod->return_type)
+ || ! debug_type_samep (info, t1->u.kmethod->domain_type,
+ t2->u.kmethod->domain_type)
+ || ((t1->u.kmethod->arg_types == NULL)
+ != (t2->u.kmethod->arg_types == NULL)))
+ ret = FALSE;
+ else if (t1->u.kmethod->arg_types == NULL)
+ ret = TRUE;
+ else
+ {
+ struct debug_type_s **a1, **a2;
+
+ a1 = t1->u.kmethod->arg_types;
+ a2 = t2->u.kmethod->arg_types;
+ while (*a1 != NULL && *a2 != NULL)
+ {
+ if (! debug_type_samep (info, *a1, *a2))
+ break;
+ ++a1;
+ ++a2;
+ }
+ ret = *a1 == NULL && *a2 == NULL;
+ }
+ break;
+
+ case DEBUG_KIND_CONST:
+ ret = debug_type_samep (info, t1->u.kconst, t2->u.kconst);
+ break;
+
+ case DEBUG_KIND_VOLATILE:
+ ret = debug_type_samep (info, t1->u.kvolatile, t2->u.kvolatile);
+ break;
+
+ case DEBUG_KIND_NAMED:
+ case DEBUG_KIND_TAGGED:
+ ret = (strcmp (t1->u.knamed->name->name, t2->u.knamed->name->name) == 0
+ && debug_type_samep (info, t1->u.knamed->type,
+ t2->u.knamed->type));
+ break;
+ }
+
+ info->compare_list = top.next;
+
+ return ret;
+}
+
+/* See if two classes are the same. This is a subroutine of
+ debug_type_samep. */
+
+static bfd_boolean
+debug_class_type_samep (struct debug_handle *info, struct debug_type_s *t1,
+ struct debug_type_s *t2)
+{
+ struct debug_class_type *c1, *c2;
+
+ c1 = t1->u.kclass;
+ c2 = t2->u.kclass;
+
+ if ((c1->fields == NULL) != (c2->fields == NULL)
+ || (c1->baseclasses == NULL) != (c2->baseclasses == NULL)
+ || (c1->methods == NULL) != (c2->methods == NULL)
+ || (c1->vptrbase == NULL) != (c2->vptrbase == NULL))
+ return FALSE;
+
+ if (c1->fields != NULL)
+ {
+ struct debug_field_s **pf1, **pf2;
+
+ for (pf1 = c1->fields, pf2 = c2->fields;
+ *pf1 != NULL && *pf2 != NULL;
+ pf1++, pf2++)
+ {
+ struct debug_field_s *f1, *f2;
+
+ f1 = *pf1;
+ f2 = *pf2;
+ if (f1->name[0] != f2->name[0]
+ || f1->visibility != f2->visibility
+ || f1->static_member != f2->static_member)
+ return FALSE;
+ if (f1->static_member)
+ {
+ if (strcmp (f1->u.s.physname, f2->u.s.physname) != 0)
+ return FALSE;
+ }
+ else
+ {
+ if (f1->u.f.bitpos != f2->u.f.bitpos
+ || f1->u.f.bitsize != f2->u.f.bitsize)
+ return FALSE;
+ }
+ /* We do the checks which require function calls last. We
+ don't require that the types of fields have the same
+ names, since that sometimes fails in the presence of
+ typedefs and we really don't care. */
+ if (strcmp (f1->name, f2->name) != 0
+ || ! debug_type_samep (info,
+ debug_get_real_type ((void *) info,
+ f1->type, NULL),
+ debug_get_real_type ((void *) info,
+ f2->type, NULL)))
+ return FALSE;
+ }
+ if (*pf1 != NULL || *pf2 != NULL)
+ return FALSE;
+ }
+
+ if (c1->vptrbase != NULL)
+ {
+ if (! debug_type_samep (info, c1->vptrbase, c2->vptrbase))
+ return FALSE;
+ }
+
+ if (c1->baseclasses != NULL)
+ {
+ struct debug_baseclass_s **pb1, **pb2;
+
+ for (pb1 = c1->baseclasses, pb2 = c2->baseclasses;
+ *pb1 != NULL && *pb2 != NULL;
+ ++pb1, ++pb2)
+ {
+ struct debug_baseclass_s *b1, *b2;
+
+ b1 = *pb1;
+ b2 = *pb2;
+ if (b1->bitpos != b2->bitpos
+ || b1->is_virtual != b2->is_virtual
+ || b1->visibility != b2->visibility
+ || ! debug_type_samep (info, b1->type, b2->type))
+ return FALSE;
+ }
+ if (*pb1 != NULL || *pb2 != NULL)
+ return FALSE;
+ }
+
+ if (c1->methods != NULL)
+ {
+ struct debug_method_s **pm1, **pm2;
+
+ for (pm1 = c1->methods, pm2 = c2->methods;
+ *pm1 != NULL && *pm2 != NULL;
+ ++pm1, ++pm2)
+ {
+ struct debug_method_s *m1, *m2;
+
+ m1 = *pm1;
+ m2 = *pm2;
+ if (m1->name[0] != m2->name[0]
+ || strcmp (m1->name, m2->name) != 0
+ || (m1->variants == NULL) != (m2->variants == NULL))
+ return FALSE;
+ if (m1->variants == NULL)
+ {
+ struct debug_method_variant_s **pv1, **pv2;
+
+ for (pv1 = m1->variants, pv2 = m2->variants;
+ *pv1 != NULL && *pv2 != NULL;
+ ++pv1, ++pv2)
+ {
+ struct debug_method_variant_s *v1, *v2;
+
+ v1 = *pv1;
+ v2 = *pv2;
+ if (v1->physname[0] != v2->physname[0]
+ || v1->visibility != v2->visibility
+ || v1->constp != v2->constp
+ || v1->volatilep != v2->volatilep
+ || v1->voffset != v2->voffset
+ || (v1->context == NULL) != (v2->context == NULL)
+ || strcmp (v1->physname, v2->physname) != 0
+ || ! debug_type_samep (info, v1->type, v2->type))
+ return FALSE;
+ if (v1->context != NULL)
+ {
+ if (! debug_type_samep (info, v1->context,
+ v2->context))
+ return FALSE;
+ }
+ }
+ if (*pv1 != NULL || *pv2 != NULL)
+ return FALSE;
+ }
+ }
+ if (*pm1 != NULL || *pm2 != NULL)
+ return FALSE;
projects / deliverable / binutils-gdb.git / blobdiff