DISABLE_COPY_AND_ASSIGN (dwarf2_cu);
+ /* TU version of handle_DW_AT_stmt_list for read_type_unit_scope.
+ Create the set of symtabs used by this TU, or if this TU is sharing
+ symtabs with another TU and the symtabs have already been created
+ then restore those symtabs in the line header.
+ We don't need the pc/line-number mapping for type units. */
+ void setup_type_unit_groups (struct die_info *die);
+
+ /* Start a symtab for DWARF. NAME, COMP_DIR, LOW_PC are passed to the
+ buildsym_compunit constructor. */
+ struct compunit_symtab *start_symtab (const char *name,
+ const char *comp_dir,
+ CORE_ADDR low_pc);
+
+ /* Reset the builder. */
+ void reset_builder () { m_builder.reset (); }
+
/* The header of the compilation unit. */
struct comp_unit_head header {};
const char *producer = nullptr;
+private:
/* The symtab builder for this CU. This is only non-NULL when full
symbols are being read. */
- std::unique_ptr<buildsym_compunit> builder;
+ std::unique_ptr<buildsym_compunit> m_builder;
+public:
/* The generic symbol table building routines have separate lists for
file scope symbols and all all other scopes (local scopes). So
we need to select the right one to pass to add_symbol_to_list().
bool processing_has_namespace_info : 1;
struct partial_die_info *find_partial_die (sect_offset sect_off);
+
+ /* If this CU was inherited by another CU (via specification,
+ abstract_origin, etc), this is the ancestor CU. */
+ dwarf2_cu *ancestor;
+
+ /* Get the buildsym_compunit for this CU. */
+ buildsym_compunit *get_builder ()
+ {
+ /* If this CU has a builder associated with it, use that. */
+ if (m_builder != nullptr)
+ return m_builder.get ();
+
+ /* Otherwise, search ancestors for a valid builder. */
+ if (ancestor != nullptr)
+ return ancestor->get_builder ();
+
+ return nullptr;
+ }
};
/* A struct that can be used as a hash key for tables based on DW_AT_stmt_list.
static void dwarf2_start_subfile (struct dwarf2_cu *, const char *,
const char *);
-static struct compunit_symtab *dwarf2_start_symtab (struct dwarf2_cu *,
- const char *, const char *,
- CORE_ADDR);
-
static struct symbol *new_symbol (struct die_info *, struct type *,
struct dwarf2_cu *, struct symbol * = NULL);
struct pending *list;
int i;
- for (list = *cu->builder->get_global_symbols ();
+ for (list = *cu->get_builder ()->get_global_symbols ();
list != NULL;
list = list->next)
{
SYMBOL_ACLASS_INDEX (sym) = LOC_TYPEDEF;
SYMBOL_TYPE (sym) = type;
- add_symbol_to_list (sym, cu->builder->get_global_symbols ());
+ add_symbol_to_list (sym, cu->get_builder ()->get_global_symbols ());
xfree (package_name);
}
get_scope_pc_bounds (cu->dies, &lowpc, &highpc, cu);
addr = gdbarch_adjust_dwarf2_addr (gdbarch, highpc + baseaddr);
- static_block = cu->builder->end_symtab_get_static_block (addr, 0, 1);
+ static_block = cu->get_builder ()->end_symtab_get_static_block (addr, 0, 1);
/* If the comp unit has DW_AT_ranges, it may have discontiguous ranges.
Also, DW_AT_ranges may record ranges not belonging to any child DIEs
this comp unit. */
dwarf2_record_block_ranges (cu->dies, static_block, baseaddr, cu);
- cust = cu->builder->end_symtab_from_static_block (static_block,
+ cust = cu->get_builder ()->end_symtab_from_static_block (static_block,
SECT_OFF_TEXT (objfile),
0);
dwarf2_per_objfile->just_read_cus.push_back (per_cu);
/* Not needed any more. */
- cu->builder.reset ();
+ cu->reset_builder ();
}
/* Generate full symbol information for type unit PER_CU, whose DIEs have
this TU's symbols to the existing symtab. */
if (sig_type->type_unit_group->compunit_symtab == NULL)
{
- cust = cu->builder->end_expandable_symtab (0, SECT_OFF_TEXT (objfile));
+ buildsym_compunit *builder = cu->get_builder ();
+ cust = builder->end_expandable_symtab (0, SECT_OFF_TEXT (objfile));
sig_type->type_unit_group->compunit_symtab = cust;
if (cust != NULL)
}
else
{
- cu->builder->augment_type_symtab ();
+ cu->get_builder ()->augment_type_symtab ();
cust = sig_type->type_unit_group->compunit_symtab;
}
}
/* Not needed any more. */
- cu->builder.reset ();
+ cu->reset_builder ();
}
/* Process an imported unit DIE. */
static struct using_direct **
using_directives (struct dwarf2_cu *cu)
{
- if (cu->language == language_ada && cu->builder->outermost_context_p ())
- return cu->builder->get_global_using_directives ();
+ if (cu->language == language_ada
+ && cu->get_builder ()->outermost_context_p ())
+ return cu->get_builder ()->get_global_using_directives ();
else
- return cu->builder->get_local_using_directives ();
+ return cu->get_builder ()->get_local_using_directives ();
}
/* Read the import statement specified by the given die and record it. */
if (cu->producer && strstr (cu->producer, "GNU Go ") != NULL)
set_cu_language (DW_LANG_Go, cu);
- dwarf2_start_symtab (cu, fnd.name, fnd.comp_dir, lowpc);
+ cu->start_symtab (fnd.name, fnd.comp_dir, lowpc);
/* Decode line number information if present. We do this before
processing child DIEs, so that the line header table is available
}
}
-/* TU version of handle_DW_AT_stmt_list for read_type_unit_scope.
- Create the set of symtabs used by this TU, or if this TU is sharing
- symtabs with another TU and the symtabs have already been created
- then restore those symtabs in the line header.
- We don't need the pc/line-number mapping for type units. */
-
-static void
-setup_type_unit_groups (struct die_info *die, struct dwarf2_cu *cu)
+void
+dwarf2_cu::setup_type_unit_groups (struct die_info *die)
{
- struct dwarf2_per_cu_data *per_cu = cu->per_cu;
struct type_unit_group *tu_group;
int first_time;
struct attribute *attr;
gdb_assert (per_cu->is_debug_types);
sig_type = (struct signatured_type *) per_cu;
- attr = dwarf2_attr (die, DW_AT_stmt_list, cu);
+ attr = dwarf2_attr (die, DW_AT_stmt_list, this);
/* If we're using .gdb_index (includes -readnow) then
per_cu->type_unit_group may not have been set up yet. */
if (sig_type->type_unit_group == NULL)
- sig_type->type_unit_group = get_type_unit_group (cu, attr);
+ sig_type->type_unit_group = get_type_unit_group (this, attr);
tu_group = sig_type->type_unit_group;
/* If we've already processed this stmt_list there's no real need to
if (attr != NULL)
{
sect_offset line_offset = (sect_offset) DW_UNSND (attr);
- lh = dwarf_decode_line_header (line_offset, cu);
+ lh = dwarf_decode_line_header (line_offset, this);
}
if (lh == NULL)
{
if (first_time)
- dwarf2_start_symtab (cu, "", NULL, 0);
+ start_symtab ("", NULL, 0);
else
{
gdb_assert (tu_group->symtabs == NULL);
- gdb_assert (cu->builder == nullptr);
+ gdb_assert (m_builder == nullptr);
struct compunit_symtab *cust = tu_group->compunit_symtab;
- cu->builder.reset (new struct buildsym_compunit
- (COMPUNIT_OBJFILE (cust), "",
- COMPUNIT_DIRNAME (cust),
- compunit_language (cust),
- 0, cust));
+ m_builder.reset (new struct buildsym_compunit
+ (COMPUNIT_OBJFILE (cust), "",
+ COMPUNIT_DIRNAME (cust),
+ compunit_language (cust),
+ 0, cust));
}
return;
}
- cu->line_header = lh.release ();
- cu->line_header_die_owner = die;
+ line_header = lh.release ();
+ line_header_die_owner = die;
if (first_time)
{
- struct compunit_symtab *cust = dwarf2_start_symtab (cu, "", NULL, 0);
+ struct compunit_symtab *cust = start_symtab ("", NULL, 0);
/* Note: We don't assign tu_group->compunit_symtab yet because we're
still initializing it, and our caller (a few levels up)
process_full_type_unit still needs to know if this is the first
time. */
- tu_group->num_symtabs = cu->line_header->file_names.size ();
+ tu_group->num_symtabs = line_header->file_names.size ();
tu_group->symtabs = XNEWVEC (struct symtab *,
- cu->line_header->file_names.size ());
+ line_header->file_names.size ());
- for (i = 0; i < cu->line_header->file_names.size (); ++i)
+ for (i = 0; i < line_header->file_names.size (); ++i)
{
- file_entry &fe = cu->line_header->file_names[i];
+ file_entry &fe = line_header->file_names[i];
- dwarf2_start_subfile (cu, fe.name, fe.include_dir (cu->line_header));
-
- if (cu->builder->get_current_subfile ()->symtab == NULL)
+ dwarf2_start_subfile (this, fe.name,
+ fe.include_dir (line_header));
+ buildsym_compunit *b = get_builder ();
+ if (b->get_current_subfile ()->symtab == NULL)
{
/* NOTE: start_subfile will recognize when it's been
passed a file it has already seen. So we can't
assume there's a simple mapping from
cu->line_header->file_names to subfiles, plus
cu->line_header->file_names may contain dups. */
- cu->builder->get_current_subfile ()->symtab
- = allocate_symtab (cust,
- cu->builder->get_current_subfile ()->name);
+ b->get_current_subfile ()->symtab
+ = allocate_symtab (cust, b->get_current_subfile ()->name);
}
- fe.symtab = cu->builder->get_current_subfile ()->symtab;
+ fe.symtab = b->get_current_subfile ()->symtab;
tu_group->symtabs[i] = fe.symtab;
}
}
else
{
- gdb_assert (cu->builder == nullptr);
+ gdb_assert (m_builder == nullptr);
struct compunit_symtab *cust = tu_group->compunit_symtab;
- cu->builder.reset (new struct buildsym_compunit
- (COMPUNIT_OBJFILE (cust), "",
- COMPUNIT_DIRNAME (cust),
- compunit_language (cust),
- 0, cust));
+ m_builder.reset (new struct buildsym_compunit
+ (COMPUNIT_OBJFILE (cust), "",
+ COMPUNIT_DIRNAME (cust),
+ compunit_language (cust),
+ 0, cust));
- for (i = 0; i < cu->line_header->file_names.size (); ++i)
+ for (i = 0; i < line_header->file_names.size (); ++i)
{
- file_entry &fe = cu->line_header->file_names[i];
+ file_entry &fe = line_header->file_names[i];
fe.symtab = tu_group->symtabs[i];
}
/* Initialize (or reinitialize) the machinery for building symtabs.
We do this before processing child DIEs, so that the line header table
is available for DW_AT_decl_file. */
- setup_type_unit_groups (die, cu);
+ cu->setup_type_unit_groups (die);
if (die->child != NULL)
{
}
}
- newobj = cu->builder->push_context (0, lowpc);
+ newobj = cu->get_builder ()->push_context (0, lowpc);
newobj->name = new_symbol (die, read_type_die (die, cu), cu,
(struct symbol *) templ_func);
attr_to_dynamic_prop (attr, die, cu, newobj->static_link);
}
- cu->list_in_scope = cu->builder->get_local_symbols ();
+ cu->list_in_scope = cu->get_builder ()->get_local_symbols ();
if (die->child != NULL)
{
}
}
- struct context_stack cstk = cu->builder->pop_context ();
+ struct context_stack cstk = cu->get_builder ()->pop_context ();
/* Make a block for the local symbols within. */
- block = cu->builder->finish_block (cstk.name, cstk.old_blocks,
+ block = cu->get_builder ()->finish_block (cstk.name, cstk.old_blocks,
cstk.static_link, lowpc, highpc);
/* For C++, set the block's scope. */
a function declares a class that has methods). This means that
when we finish processing a function scope, we may need to go
back to building a containing block's symbol lists. */
- *cu->builder->get_local_symbols () = cstk.locals;
- cu->builder->set_local_using_directives (cstk.local_using_directives);
+ *cu->get_builder ()->get_local_symbols () = cstk.locals;
+ cu->get_builder ()->set_local_using_directives (cstk.local_using_directives);
/* If we've finished processing a top-level function, subsequent
symbols go in the file symbol list. */
- if (cu->builder->outermost_context_p ())
- cu->list_in_scope = cu->builder->get_file_symbols ();
+ if (cu->get_builder ()->outermost_context_p ())
+ cu->list_in_scope = cu->get_builder ()->get_file_symbols ();
}
/* Process all the DIES contained within a lexical block scope. Start
lowpc = gdbarch_adjust_dwarf2_addr (gdbarch, lowpc + baseaddr);
highpc = gdbarch_adjust_dwarf2_addr (gdbarch, highpc + baseaddr);
- cu->builder->push_context (0, lowpc);
+ cu->get_builder ()->push_context (0, lowpc);
if (die->child != NULL)
{
child_die = die->child;
}
}
inherit_abstract_dies (die, cu);
- struct context_stack cstk = cu->builder->pop_context ();
+ struct context_stack cstk = cu->get_builder ()->pop_context ();
- if (*cu->builder->get_local_symbols () != NULL
- || (*cu->builder->get_local_using_directives ()) != NULL)
+ if (*cu->get_builder ()->get_local_symbols () != NULL
+ || (*cu->get_builder ()->get_local_using_directives ()) != NULL)
{
struct block *block
- = cu->builder->finish_block (0, cstk.old_blocks, NULL,
+ = cu->get_builder ()->finish_block (0, cstk.old_blocks, NULL,
cstk.start_addr, highpc);
/* Note that recording ranges after traversing children, as we
to do. */
dwarf2_record_block_ranges (die, block, baseaddr, cu);
}
- *cu->builder->get_local_symbols () = cstk.locals;
- cu->builder->set_local_using_directives (cstk.local_using_directives);
+ *cu->get_builder ()->get_local_symbols () = cstk.locals;
+ cu->get_builder ()->set_local_using_directives (cstk.local_using_directives);
}
/* Read in DW_TAG_call_site and insert it to CU->call_site_htab. */
low = gdbarch_adjust_dwarf2_addr (gdbarch, low + baseaddr);
high = gdbarch_adjust_dwarf2_addr (gdbarch, high + baseaddr);
- cu->builder->record_block_range (block, low, high - 1);
+ cu->get_builder ()->record_block_range (block, low, high - 1);
}
}
end += baseaddr;
start = gdbarch_adjust_dwarf2_addr (gdbarch, start);
end = gdbarch_adjust_dwarf2_addr (gdbarch, end);
- cu->builder->record_block_range (block, start, end - 1);
+ cu->get_builder ()->record_block_range (block, start, end - 1);
blockvec.emplace_back (start, end);
});
{
const char *dir = fe->include_dir (m_line_header);
- m_last_subfile = m_cu->builder->get_current_subfile ();
+ m_last_subfile = m_cu->get_builder ()->get_current_subfile ();
m_line_has_non_zero_discriminator = m_discriminator != 0;
dwarf2_start_subfile (m_cu, fe->name, dir);
}
int line_has_non_zero_discriminator,
struct subfile *last_subfile)
{
- if (cu->builder->get_current_subfile () != last_subfile)
+ if (cu->get_builder ()->get_current_subfile () != last_subfile)
return 1;
if (line != last_line)
return 1;
}
if (cu != nullptr)
- cu->builder->record_line (subfile, line, addr);
+ cu->get_builder ()->record_line (subfile, line, addr);
}
/* Subroutine of dwarf_decode_lines_1 to simplify it.
fe->included_p = 1;
if (m_record_lines_p && (producer_is_codewarrior (m_cu) || m_is_stmt))
{
- if (m_last_subfile != m_cu->builder->get_current_subfile ()
+ if (m_last_subfile != m_cu->get_builder ()->get_current_subfile ()
|| end_sequence)
{
dwarf_finish_line (m_gdbarch, m_last_subfile, m_address,
m_line_has_non_zero_discriminator,
m_last_subfile))
{
+ buildsym_compunit *builder = m_cu->get_builder ();
dwarf_record_line_1 (m_gdbarch,
- m_cu->builder->get_current_subfile (),
+ builder->get_current_subfile (),
m_line, m_address,
m_currently_recording_lines ? m_cu : nullptr);
}
- m_last_subfile = m_cu->builder->get_current_subfile ();
+ m_last_subfile = m_cu->get_builder ()->get_current_subfile ();
m_last_line = m_line;
}
}
/* Make sure a symtab is created for every file, even files
which contain only variables (i.e. no code with associated
line numbers). */
- struct compunit_symtab *cust = cu->builder->get_compunit_symtab ();
+ buildsym_compunit *builder = cu->get_builder ();
+ struct compunit_symtab *cust = builder->get_compunit_symtab ();
int i;
for (i = 0; i < lh->file_names.size (); i++)
dwarf2_start_subfile (cu, fe.name, fe.include_dir (lh));
- if (cu->builder->get_current_subfile ()->symtab == NULL)
+ if (builder->get_current_subfile ()->symtab == NULL)
{
- cu->builder->get_current_subfile ()->symtab
+ builder->get_current_subfile ()->symtab
= allocate_symtab (cust,
- cu->builder->get_current_subfile ()->name);
+ builder->get_current_subfile ()->name);
}
- fe.symtab = cu->builder->get_current_subfile ()->symtab;
+ fe.symtab = builder->get_current_subfile ()->symtab;
}
}
}
filename = copy;
}
- cu->builder->start_subfile (filename);
+ cu->get_builder ()->start_subfile (filename);
if (copy != NULL)
xfree (copy);
/* Start a symtab for DWARF. NAME, COMP_DIR, LOW_PC are passed to the
buildsym_compunit constructor. */
-static struct compunit_symtab *
-dwarf2_start_symtab (struct dwarf2_cu *cu,
- const char *name, const char *comp_dir, CORE_ADDR low_pc)
+struct compunit_symtab *
+dwarf2_cu::start_symtab (const char *name, const char *comp_dir,
+ CORE_ADDR low_pc)
{
- gdb_assert (cu->builder == nullptr);
+ gdb_assert (m_builder == nullptr);
- cu->builder.reset (new struct buildsym_compunit
- (cu->per_cu->dwarf2_per_objfile->objfile,
- name, comp_dir, cu->language, low_pc));
+ m_builder.reset (new struct buildsym_compunit
+ (per_cu->dwarf2_per_objfile->objfile,
+ name, comp_dir, language, low_pc));
- cu->list_in_scope = cu->builder->get_file_symbols ();
+ list_in_scope = get_builder ()->get_file_symbols ();
- cu->builder->record_debugformat ("DWARF 2");
- cu->builder->record_producer (cu->producer);
+ get_builder ()->record_debugformat ("DWARF 2");
+ get_builder ()->record_producer (producer);
- cu->processing_has_namespace_info = false;
+ processing_has_namespace_info = false;
- return cu->builder->get_compunit_symtab ();
+ return get_builder ()->get_compunit_symtab ();
}
static void
access them globally. For instance, we want to be able
to break on a nested subprogram without having to
specify the context. */
- list_to_add = cu->builder->get_global_symbols ();
+ list_to_add = cu->get_builder ()->get_global_symbols ();
}
else
{
if (!suppress_add)
{
if (attr2 && (DW_UNSND (attr2) != 0))
- list_to_add = cu->builder->get_global_symbols ();
+ list_to_add = cu->get_builder ()->get_global_symbols ();
else
list_to_add = cu->list_in_scope;
}
/* A variable with DW_AT_external is never static,
but it may be block-scoped. */
list_to_add
- = (cu->list_in_scope == cu->builder->get_file_symbols ()
- ? cu->builder->get_global_symbols ()
+ = ((cu->list_in_scope
+ == cu->get_builder ()->get_file_symbols ())
+ ? cu->get_builder ()->get_global_symbols ()
: cu->list_in_scope);
}
else
/* A variable with DW_AT_external is never static, but it
may be block-scoped. */
list_to_add
- = (cu->list_in_scope == cu->builder->get_file_symbols ()
- ? cu->builder->get_global_symbols ()
+ = ((cu->list_in_scope
+ == cu->get_builder ()->get_file_symbols ())
+ ? cu->get_builder ()->get_global_symbols ()
: cu->list_in_scope);
SYMBOL_ACLASS_INDEX (sym) = LOC_UNRESOLVED;
pretend it's a local variable in that case so that the user can
still see it. */
struct context_stack *curr
- = cu->builder->get_current_context_stack ();
+ = cu->get_builder ()->get_current_context_stack ();
if (curr != nullptr && curr->name != nullptr)
SYMBOL_IS_ARGUMENT (sym) = 1;
attr = dwarf2_attr (die, DW_AT_location, cu);
if (!suppress_add)
{
+ buildsym_compunit *builder = cu->get_builder ();
list_to_add
- = (cu->list_in_scope == cu->builder->get_file_symbols ()
+ = (cu->list_in_scope == builder->get_file_symbols ()
&& cu->language == language_cplus
- ? cu->builder->get_global_symbols ()
+ ? builder->get_global_symbols ()
: cu->list_in_scope);
/* The semantics of C++ state that "struct foo {
DW_TAG_class_type, etc. block. */
list_to_add
- = (cu->list_in_scope == cu->builder->get_file_symbols ()
+ = (cu->list_in_scope == cu->get_builder ()->get_file_symbols ()
&& cu->language == language_cplus
- ? cu->builder->get_global_symbols ()
+ ? cu->get_builder ()->get_global_symbols ()
: cu->list_in_scope);
}
break;
case DW_TAG_imported_declaration:
case DW_TAG_namespace:
SYMBOL_ACLASS_INDEX (sym) = LOC_TYPEDEF;
- list_to_add = cu->builder->get_global_symbols ();
+ list_to_add = cu->get_builder ()->get_global_symbols ();
break;
case DW_TAG_module:
SYMBOL_ACLASS_INDEX (sym) = LOC_TYPEDEF;
SYMBOL_DOMAIN (sym) = MODULE_DOMAIN;
- list_to_add = cu->builder->get_global_symbols ();
+ list_to_add = cu->get_builder ()->get_global_symbols ();
break;
case DW_TAG_common_block:
SYMBOL_ACLASS_INDEX (sym) = LOC_COMMON_BLOCK;
namespaces based on the demangled name. */
if (!cu->processing_has_namespace_info
&& cu->language == language_cplus)
- cp_scan_for_anonymous_namespaces (cu->builder.get (), sym, objfile);
+ cp_scan_for_anonymous_namespaces (cu->get_builder (), sym, objfile);
}
return (sym);
}
*ref_cu = target_cu;
temp_die.sect_off = sect_off;
+
+ if (target_cu != cu)
+ target_cu->ancestor = cu;
+
return (struct die_info *) htab_find_with_hash (target_cu->die_hash,
&temp_die,
to_underlying (sect_off));
struct dwarf2_cu **ref_cu)
{
struct die_info temp_die;
- struct dwarf2_cu *sig_cu;
+ struct dwarf2_cu *sig_cu, *cu = *ref_cu;
struct die_info *die;
/* While it might be nice to assert sig_type->type == NULL here,
}
*ref_cu = sig_cu;
+ if (sig_cu != cu)
+ sig_cu->ancestor = cu;
+
return die;
}
{
/* Note: We don't create a macro table for this compilation unit
at all until we actually get a filename. */
- struct macro_table *macro_table = cu->builder->get_macro_table ();
+ struct macro_table *macro_table = cu->get_builder ()->get_macro_table ();
/* If we have no current file, then this must be the start_file
directive for the compilation unit's main source file. */
projects / binutils-gdb.git / commitdiff