hash table and don't find it. */
unsigned int load_all_dies : 1;
- /* Non-zero if this CU is from .debug_types. */
+ /* Non-zero if this CU is from .debug_types.
+ Struct dwarf2_per_cu_data is contained in struct signatured_type iff
+ this is non-zero. */
unsigned int is_debug_types : 1;
/* Non-zero if this CU is from the .dwz file. */
to. Concurrently with this change gdb was modified to emit version 8
indices so we only pay a price for gold generated indices. */
VEC (dwarf2_per_cu_ptr) *imported_symtabs;
-
- /* Type units are grouped by their DW_AT_stmt_list entry so that they
- can share them. If this is a TU, this points to the containing
- symtab. */
- struct type_unit_group *type_unit_group;
};
/* Entry in the signatured_types hash table. */
The value is zero until the actual value is known.
Zero is otherwise not a valid section offset. */
sect_offset type_offset_in_section;
+
+ /* Type units are grouped by their DW_AT_stmt_list entry so that they
+ can share them. This points to the containing symtab. */
+ struct type_unit_group *type_unit_group;
};
+typedef struct signatured_type *sig_type_ptr;
+DEF_VEC_P (sig_type_ptr);
+
/* A struct that can be used as a hash key for tables based on DW_AT_stmt_list.
This includes type_unit_group and quick_file_names. */
struct type_unit_group
{
- /* dwarf2read.c's main "handle" on the symtab.
+ /* dwarf2read.c's main "handle" on a TU symtab.
To simplify things we create an artificial CU that "includes" all the
type units using this stmt_list so that the rest of the code still has
a "per_cu" handle on the symtab.
#define IS_TYPE_UNIT_GROUP(per_cu) ((per_cu)->section == NULL)
struct dwarf2_per_cu_data per_cu;
- union
- {
- /* The TUs that share this DW_AT_stmt_list entry.
- This is added to while parsing type units to build partial symtabs,
- and is deleted afterwards and not used again. */
- VEC (dwarf2_per_cu_ptr) *tus;
-
- /* When reading the line table in "quick" functions, we need a real TU.
- Any will do, we know they all share the same DW_AT_stmt_list entry.
- For simplicity's sake, we pick the first one. */
- struct dwarf2_per_cu_data *first_tu;
- } t;
+ /* The TUs that share this DW_AT_stmt_list entry.
+ This is added to while parsing type units to build partial symtabs,
+ and is deleted afterwards and not used again. */
+ VEC (sig_type_ptr) *tus;
/* The primary symtab.
Type units in a group needn't all be defined in the same source file,
struct quick_file_names *qfn;
unsigned int line_offset;
+ gdb_assert (! this_cu->is_debug_types);
+
/* Our callers never want to match partial units -- instead they
will match the enclosing full CU. */
if (comp_unit_die->tag == DW_TAG_partial_unit)
return;
}
- /* If we're reading the line header for TUs, store it in the "per_cu"
- for tu_group. */
- if (this_cu->is_debug_types)
- {
- struct type_unit_group *tu_group = data;
-
- gdb_assert (tu_group != NULL);
- lh_cu = &tu_group->per_cu;
- }
- else
- lh_cu = this_cu;
-
+ lh_cu = this_cu;
lh = NULL;
slot = NULL;
line_offset = 0;
static struct quick_file_names *
dw2_get_file_names (struct dwarf2_per_cu_data *this_cu)
{
- /* For TUs this should only be called on the parent group. */
- if (this_cu->is_debug_types)
- gdb_assert (IS_TYPE_UNIT_GROUP (this_cu));
+ /* This should never be called for TUs. */
+ gdb_assert (! this_cu->is_debug_types);
+ /* Nor type unit groups. */
+ gdb_assert (! IS_TYPE_UNIT_GROUP (this_cu));
if (this_cu->v.quick->file_names != NULL)
return this_cu->v.quick->file_names;
if (this_cu->v.quick->no_file_data)
return NULL;
- /* If DWO files are in use, we can still find the DW_AT_stmt_list attribute
- in the stub for CUs, there's is no need to lookup the DWO file.
- However, that's not the case for TUs where DW_AT_stmt_list lives in the
- DWO file. */
- if (this_cu->is_debug_types)
- {
- struct type_unit_group *tu_group = this_cu->type_unit_group;
-
- init_cutu_and_read_dies (tu_group->t.first_tu, NULL, 0, 0,
- dw2_get_file_names_reader, tu_group);
- }
- else
- init_cutu_and_read_dies_simple (this_cu, dw2_get_file_names_reader, NULL);
+ init_cutu_and_read_dies_simple (this_cu, dw2_get_file_names_reader, NULL);
if (this_cu->v.quick->no_file_data)
return NULL;
struct type_unit_group);
per_cu = &tu_group->per_cu;
per_cu->objfile = objfile;
- per_cu->is_debug_types = 1;
- per_cu->type_unit_group = tu_group;
if (dwarf2_per_objfile->using_index)
{
per_cu->v.quick = OBSTACK_ZALLOC (&objfile->objfile_obstack,
struct dwarf2_per_cu_quick_data);
- tu_group->t.first_tu = cu->per_cu;
}
else
{
struct objfile *objfile = dwarf2_per_objfile->objfile;
struct dwarf2_cu *cu = reader->cu;
struct dwarf2_per_cu_data *per_cu = cu->per_cu;
+ struct signatured_type *sig_type;
struct type_unit_group *tu_group;
struct attribute *attr;
struct partial_die_info *first_die;
struct partial_symtab *pst;
gdb_assert (data == NULL);
+ gdb_assert (per_cu->is_debug_types);
+ sig_type = (struct signatured_type *) per_cu;
if (! has_children)
return;
attr = dwarf2_attr_no_follow (type_unit_die, DW_AT_stmt_list);
tu_group = get_type_unit_group (cu, attr);
- VEC_safe_push (dwarf2_per_cu_ptr, tu_group->t.tus, per_cu);
+ VEC_safe_push (sig_type_ptr, tu_group->tus, sig_type);
prepare_one_comp_unit (cu, type_unit_die, language_minimal);
cu->list_in_scope = &file_symbols;
struct type_unit_group *tu_group = (struct type_unit_group *) *slot;
struct dwarf2_per_cu_data *per_cu = &tu_group->per_cu;
struct partial_symtab *pst = per_cu->v.psymtab;
- int len = VEC_length (dwarf2_per_cu_ptr, tu_group->t.tus);
- struct dwarf2_per_cu_data *iter;
+ int len = VEC_length (sig_type_ptr, tu_group->tus);
+ struct signatured_type *iter;
int i;
gdb_assert (len > 0);
+ gdb_assert (IS_TYPE_UNIT_GROUP (per_cu));
pst->number_of_dependencies = len;
pst->dependencies = obstack_alloc (&objfile->objfile_obstack,
len * sizeof (struct psymtab *));
for (i = 0;
- VEC_iterate (dwarf2_per_cu_ptr, tu_group->t.tus, i, iter);
+ VEC_iterate (sig_type_ptr, tu_group->tus, i, iter);
++i)
{
- pst->dependencies[i] = iter->v.psymtab;
+ gdb_assert (iter->per_cu.is_debug_types);
+ pst->dependencies[i] = iter->per_cu.v.psymtab;
iter->type_unit_group = tu_group;
}
- VEC_free (dwarf2_per_cu_ptr, tu_group->t.tus);
+ VEC_free (sig_type_ptr, tu_group->tus);
return 1;
}
struct objfile *objfile = per_cu->objfile;
struct symtab *symtab;
struct cleanup *back_to, *delayed_list_cleanup;
+ struct signatured_type *sig_type;
+
+ gdb_assert (per_cu->is_debug_types);
+ sig_type = (struct signatured_type *) per_cu;
buildsym_init ();
back_to = make_cleanup (really_free_pendings, NULL);
If this is the first TU to use this symtab, complete the construction
of it with end_expandable_symtab. Otherwise, complete the addition of
this TU's symbols to the existing symtab. */
- if (per_cu->type_unit_group->primary_symtab == NULL)
+ if (sig_type->type_unit_group->primary_symtab == NULL)
{
symtab = end_expandable_symtab (0, objfile, SECT_OFF_TEXT (objfile));
- per_cu->type_unit_group->primary_symtab = symtab;
+ sig_type->type_unit_group->primary_symtab = symtab;
if (symtab != NULL)
{
else
{
augment_type_symtab (objfile,
- per_cu->type_unit_group->primary_symtab);
- symtab = per_cu->type_unit_group->primary_symtab;
+ sig_type->type_unit_group->primary_symtab);
+ symtab = sig_type->type_unit_group->primary_symtab;
}
if (dwarf2_per_objfile->using_index)
struct line_header *lh;
struct attribute *attr;
unsigned int i, line_offset;
+ struct signatured_type *sig_type;
gdb_assert (per_cu->is_debug_types);
+ sig_type = (struct signatured_type *) per_cu;
attr = dwarf2_attr (die, DW_AT_stmt_list, cu);
/* If we're using .gdb_index (includes -readnow) then
per_cu->s.type_unit_group may not have been set up yet. */
- if (per_cu->type_unit_group == NULL)
- per_cu->type_unit_group = get_type_unit_group (cu, attr);
- tu_group = per_cu->type_unit_group;
+ if (sig_type->type_unit_group == NULL)
+ sig_type->type_unit_group = get_type_unit_group (cu, attr);
+ tu_group = sig_type->type_unit_group;
/* If we've already processed this stmt_list there's no real need to
do it again, we could fake it and just recreate the part we need
{
struct signatured_type_index_data *info = d;
struct signatured_type *entry = (struct signatured_type *) *slot;
- struct dwarf2_per_cu_data *per_cu = &entry->per_cu;
- struct partial_symtab *psymtab = per_cu->v.psymtab;
+ struct partial_symtab *psymtab = entry->per_cu.v.psymtab;
gdb_byte val[8];
write_psymbols (info->symtab,
projects / binutils-gdb.git / commitdiff