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Add support for skeletonless type units. 

* dwarf2read.c (struct dwarf2_per_objfile): New member
	n_allocated_type_units.
	(struct dwarf2_per_objfile) <tu_stats>: New member
	nr_all_type_units_reallocs.
	(create_signatured_type_table_from_index): Initialize
	n_allocated_type_units
	(create_all_type_units): Ditto.
	(add_type_unit): Move up in file.  New arg slot.
	All callers updated.  Increase space for all_type_units more
	efficiently.
	(fill_in_sig_entry_from_dwo_entry): Handle psymtabs.
	(lookup_dwo_signatured_type): Handle skeletonless TUs.
	(lookup_dwp_signatured_type): Ditto.
	(init_tu_and_read_dwo_dies): New arg use_existing_cu.
	All callers updated.
	(build_type_psymtabs_1): Leave type_unit_groups as
	NULL if no TUs present.
	(print_tu_stats): New function.
	(process_skeletonless_type_unit): New function.
	(process_dwo_file_for_skeletonless_type_units): New
	function.
	(process_skeletonless_type_units): New function.
	(dwarf2_build_psymtabs_hard): Handle skeletonless TUs.
	Call print tu_stats if debugging enabled.
This commit is contained in:
Doug Evans 2014-06-02 17:16:07 -07:00
parent f70b8a9ba2
commit 6aa5f3a6ed
2 changed files with 304 additions and 133 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
gdb/ChangeLog
View File

@ -1,3 +1,31 @@
2014-06-02 Doug Evans <dje@google.com>
Add support for skeletonless type units.
* dwarf2read.c (struct dwarf2_per_objfile): New member
n_allocated_type_units.
(struct dwarf2_per_objfile) <tu_stats>: New member
nr_all_type_units_reallocs.
(create_signatured_type_table_from_index): Initialize
n_allocated_type_units
(create_all_type_units): Ditto.
(add_type_unit): Move up in file. New arg slot.
All callers updated. Increase space for all_type_units more
efficiently.
(fill_in_sig_entry_from_dwo_entry): Handle psymtabs.
(lookup_dwo_signatured_type): Handle skeletonless TUs.
(lookup_dwp_signatured_type): Ditto.
(init_tu_and_read_dwo_dies): New arg use_existing_cu.
All callers updated.
(build_type_psymtabs_1): Leave type_unit_groups as
NULL if no TUs present.
(print_tu_stats): New function.
(process_skeletonless_type_unit): New function.
(process_dwo_file_for_skeletonless_type_units): New
function.
(process_skeletonless_type_units): New function.
(dwarf2_build_psymtabs_hard): Handle skeletonless TUs.
Call print tu_stats if debugging enabled.
2014-06-02 Pedro Alves <palves@redhat.com>
* breakpoint.c (build_target_command_list): Don't build a command

409
gdb/dwarf2read.c
View File

@ -235,6 +235,10 @@ struct dwarf2_per_objfile
/* The number of .debug_types-related CUs. */
int n_type_units;
/* The number of elements allocated in all_type_units.
If there are skeleton-less TUs, we add them to all_type_units lazily. */
int n_allocated_type_units;
/* The .debug_types-related CUs (TUs).
This is stored in malloc space because we may realloc it. */
struct signatured_type **all_type_units;
@ -255,6 +259,7 @@ struct dwarf2_per_objfile
int nr_symtabs;
int nr_symtab_sharers;
int nr_stmt_less_type_units;
int nr_all_type_units_reallocs;
} tu_stats;
/* A chain of compilation units that are currently read in, so that
@ -2772,7 +2777,9 @@ create_signatured_type_table_from_index (struct objfile *objfile,
offset_type i;
htab_t sig_types_hash;
dwarf2_per_objfile->n_type_units = elements / 3;
dwarf2_per_objfile->n_type_units
= dwarf2_per_objfile->n_allocated_type_units
= elements / 3;
dwarf2_per_objfile->all_type_units
= xmalloc (dwarf2_per_objfile->n_type_units
* sizeof (struct signatured_type *));
@ -4676,7 +4683,9 @@ create_all_type_units (struct objfile *objfile)
dwarf2_per_objfile->signatured_types = types_htab;
dwarf2_per_objfile->n_type_units = htab_elements (types_htab);
dwarf2_per_objfile->n_type_units
= dwarf2_per_objfile->n_allocated_type_units
= htab_elements (types_htab);
dwarf2_per_objfile->all_type_units
= xmalloc (dwarf2_per_objfile->n_type_units
* sizeof (struct signatured_type *));
@ -4688,6 +4697,55 @@ create_all_type_units (struct objfile *objfile)
return 1;
}
/* Add an entry for signature SIG to dwarf2_per_objfile->signatured_types.
If SLOT is non-NULL, it is the entry to use in the hash table.
Otherwise we find one. */
static struct signatured_type *
add_type_unit (ULONGEST sig, void **slot)
{
struct objfile *objfile = dwarf2_per_objfile->objfile;
int n_type_units = dwarf2_per_objfile->n_type_units;
struct signatured_type *sig_type;
gdb_assert (n_type_units <= dwarf2_per_objfile->n_allocated_type_units);
++n_type_units;
if (n_type_units > dwarf2_per_objfile->n_allocated_type_units)
{
if (dwarf2_per_objfile->n_allocated_type_units == 0)
dwarf2_per_objfile->n_allocated_type_units = 1;
dwarf2_per_objfile->n_allocated_type_units *= 2;
dwarf2_per_objfile->all_type_units
= xrealloc (dwarf2_per_objfile->all_type_units,
dwarf2_per_objfile->n_allocated_type_units
* sizeof (struct signatured_type *));
++dwarf2_per_objfile->tu_stats.nr_all_type_units_reallocs;
}
dwarf2_per_objfile->n_type_units = n_type_units;
sig_type = OBSTACK_ZALLOC (&objfile->objfile_obstack,
struct signatured_type);
dwarf2_per_objfile->all_type_units[n_type_units - 1] = sig_type;
sig_type->signature = sig;
sig_type->per_cu.is_debug_types = 1;
if (dwarf2_per_objfile->using_index)
{
sig_type->per_cu.v.quick =
OBSTACK_ZALLOC (&objfile->objfile_obstack,
struct dwarf2_per_cu_quick_data);
}
if (slot == NULL)
{
slot = htab_find_slot (dwarf2_per_objfile->signatured_types,
sig_type, INSERT);
}
gdb_assert (*slot == NULL);
*slot = sig_type;
/* The rest of sig_type must be filled in by the caller. */
return sig_type;
}
/* Subroutine of lookup_dwo_signatured_type and lookup_dwp_signatured_type.
Fill in SIG_ENTRY with DWO_ENTRY. */
@ -4699,8 +4757,13 @@ fill_in_sig_entry_from_dwo_entry (struct objfile *objfile,
/* Make sure we're not clobbering something we don't expect to. */
gdb_assert (! sig_entry->per_cu.queued);
gdb_assert (sig_entry->per_cu.cu == NULL);
gdb_assert (sig_entry->per_cu.v.quick != NULL);
gdb_assert (sig_entry->per_cu.v.quick->symtab == NULL);
if (dwarf2_per_objfile->using_index)
{
gdb_assert (sig_entry->per_cu.v.quick != NULL);
gdb_assert (sig_entry->per_cu.v.quick->symtab == NULL);
}
else
gdb_assert (sig_entry->per_cu.v.psymtab == NULL);
gdb_assert (sig_entry->signature == dwo_entry->signature);
gdb_assert (sig_entry->type_offset_in_section.sect_off == 0);
gdb_assert (sig_entry->type_unit_group == NULL);
@ -4734,33 +4797,45 @@ lookup_dwo_signatured_type (struct dwarf2_cu *cu, ULONGEST sig)
struct dwo_file *dwo_file;
struct dwo_unit find_dwo_entry, *dwo_entry;
struct signatured_type find_sig_entry, *sig_entry;
void **slot;
gdb_assert (cu->dwo_unit && dwarf2_per_objfile->using_index);
/* If TU skeletons have been removed then we may not have read in any
TUs yet. */
if (dwarf2_per_objfile->signatured_types == NULL)
{
dwarf2_per_objfile->signatured_types
= allocate_signatured_type_table (objfile);
}
/* We only ever need to read in one copy of a signatured type.
Use the global signatured_types array to do our own comdat-folding
of types. If this is the first time we're reading this TU, and
the TU has an entry in .gdb_index, replace the recorded data from
.gdb_index with this TU. */
find_sig_entry.signature = sig;
slot = htab_find_slot (dwarf2_per_objfile->signatured_types,
&find_sig_entry, INSERT);
sig_entry = *slot;
/* We can get here with the TU already read, *or* in the process of being
read. Don't reassign the global entry to point to this DWO if that's
the case. Also note that if the TU is already being read, it may not
have come from a DWO, the program may be a mix of Fission-compiled
code and non-Fission-compiled code. */
/* Have we already tried to read this TU?
Note: sig_entry can be NULL if the skeleton TU was removed (thus it
needn't exist in the global table yet). */
if (sig_entry != NULL && sig_entry->per_cu.tu_read)
return sig_entry;
/* Note: cu->dwo_unit is the dwo_unit that references this TU, not the
dwo_unit of the TU itself. */
dwo_file = cu->dwo_unit->dwo_file;
/* We only ever need to read in one copy of a signatured type.
Just use the global signatured_types array. If this is the first time
we're reading this type, replace the recorded data from .gdb_index with
this TU. */
if (dwarf2_per_objfile->signatured_types == NULL)
return NULL;
find_sig_entry.signature = sig;
sig_entry = htab_find (dwarf2_per_objfile->signatured_types, &find_sig_entry);
if (sig_entry == NULL)
return NULL;
/* We can get here with the TU already read, *or* in the process of being
read. Don't reassign it if that's the case. Also note that if the TU is
already being read, it may not have come from a DWO, the program may be
a mix of Fission-compiled code and non-Fission-compiled code. */
/* Have we already tried to read this TU? */
if (sig_entry->per_cu.tu_read)
return sig_entry;
/* Ok, this is the first time we're reading this TU. */
if (dwo_file->tus == NULL)
return NULL;
@ -4769,51 +4844,19 @@ lookup_dwo_signatured_type (struct dwarf2_cu *cu, ULONGEST sig)
if (dwo_entry == NULL)
return NULL;
/* If the global table doesn't have an entry for this TU, add one. */
if (sig_entry == NULL)
sig_entry = add_type_unit (sig, slot);
fill_in_sig_entry_from_dwo_entry (objfile, sig_entry, dwo_entry);
sig_entry->per_cu.tu_read = 1;
return sig_entry;
}
/* Subroutine of lookup_dwp_signatured_type.
Add an entry for signature SIG to dwarf2_per_objfile->signatured_types. */
static struct signatured_type *
add_type_unit (ULONGEST sig)
{
struct objfile *objfile = dwarf2_per_objfile->objfile;
int n_type_units = dwarf2_per_objfile->n_type_units;
struct signatured_type *sig_type;
void **slot;
++n_type_units;
dwarf2_per_objfile->all_type_units =
xrealloc (dwarf2_per_objfile->all_type_units,
n_type_units * sizeof (struct signatured_type *));
dwarf2_per_objfile->n_type_units = n_type_units;
sig_type = OBSTACK_ZALLOC (&objfile->objfile_obstack,
struct signatured_type);
dwarf2_per_objfile->all_type_units[n_type_units - 1] = sig_type;
sig_type->signature = sig;
sig_type->per_cu.is_debug_types = 1;
sig_type->per_cu.v.quick =
OBSTACK_ZALLOC (&objfile->objfile_obstack,
struct dwarf2_per_cu_quick_data);
slot = htab_find_slot (dwarf2_per_objfile->signatured_types,
sig_type, INSERT);
gdb_assert (*slot == NULL);
*slot = sig_type;
/* The rest of sig_type must be filled in by the caller. */
return sig_type;
}
/* Subroutine of lookup_signatured_type.
Look up the type for signature SIG, and if we can't find SIG in .gdb_index
then try the DWP file.
Normally this "can't happen", but if there's a bug in signature
generation and/or the DWP file is built incorrectly, it can happen.
Using the type directly from the DWP file means we don't have the stub
which has some useful attributes (e.g., DW_AT_comp_dir), but they're
not critical. [Eventually the stub may go away for type units anyway.] */
then try the DWP file. If the TU stub (skeleton) has been removed then
it won't be in .gdb_index. */
static struct signatured_type *
lookup_dwp_signatured_type (struct dwarf2_cu *cu, ULONGEST sig)
@ -4822,21 +4865,30 @@ lookup_dwp_signatured_type (struct dwarf2_cu *cu, ULONGEST sig)
struct dwp_file *dwp_file = get_dwp_file ();
struct dwo_unit *dwo_entry;
struct signatured_type find_sig_entry, *sig_entry;
void **slot;
gdb_assert (cu->dwo_unit && dwarf2_per_objfile->using_index);
gdb_assert (dwp_file != NULL);
if (dwarf2_per_objfile->signatured_types != NULL)
/* If TU skeletons have been removed then we may not have read in any
TUs yet. */
if (dwarf2_per_objfile->signatured_types == NULL)
{
find_sig_entry.signature = sig;
sig_entry = htab_find (dwarf2_per_objfile->signatured_types,
&find_sig_entry);
if (sig_entry != NULL)
return sig_entry;
dwarf2_per_objfile->signatured_types
= allocate_signatured_type_table (objfile);
}
/* This is the "shouldn't happen" case.
Try the DWP file and hope for the best. */
find_sig_entry.signature = sig;
slot = htab_find_slot (dwarf2_per_objfile->signatured_types,
&find_sig_entry, INSERT);
sig_entry = *slot;
/* Have we already tried to read this TU?
Note: sig_entry can be NULL if the skeleton TU was removed (thus it
needn't exist in the global table yet). */
if (sig_entry != NULL)
return sig_entry;
if (dwp_file->tus == NULL)
return NULL;
dwo_entry = lookup_dwo_unit_in_dwp (dwp_file, NULL,
@ -4844,19 +4896,9 @@ lookup_dwp_signatured_type (struct dwarf2_cu *cu, ULONGEST sig)
if (dwo_entry == NULL)
return NULL;
sig_entry = add_type_unit (sig);
sig_entry = add_type_unit (sig, slot);
fill_in_sig_entry_from_dwo_entry (objfile, sig_entry, dwo_entry);
/* The caller will signal a complaint if we return NULL.
Here we don't return NULL but we still want to complain. */
complaint (&symfile_complaints,
_("Bad type signature %s referenced by %s at 0x%x,"
" coping by using copy in DWP [in module %s]"),
hex_string (sig),
cu->per_cu->is_debug_types ? "TU" : "CU",
cu->per_cu->offset.sect_off,
objfile_name (objfile));
return sig_entry;
}
@ -5177,16 +5219,23 @@ lookup_dwo_unit (struct dwarf2_per_cu_data *this_cu,
}
/* Subroutine of init_cutu_and_read_dies to simplify it.
Read a TU directly from a DWO file, bypassing the stub. */
See it for a description of the parameters.
Read a TU directly from a DWO file, bypassing the stub.
Note: This function could be a little bit simpler if we shared cleanups
with our caller, init_cutu_and_read_dies. That's generally a fragile thing
to do, so we keep this function self-contained. Or we could move this
into our caller, but it's complex enough already. */
static void
init_tu_and_read_dwo_dies (struct dwarf2_per_cu_data *this_cu, int keep,
init_tu_and_read_dwo_dies (struct dwarf2_per_cu_data *this_cu,
int use_existing_cu, int keep,
die_reader_func_ftype *die_reader_func,
void *data)
{
struct dwarf2_cu *cu;
struct signatured_type *sig_type;
struct cleanup *cleanups, *free_cu_cleanup;
struct cleanup *cleanups, *free_cu_cleanup = NULL;
struct die_reader_specs reader;
const gdb_byte *info_ptr;
struct die_info *comp_unit_die;
@ -5200,11 +5249,26 @@ init_tu_and_read_dwo_dies (struct dwarf2_per_cu_data *this_cu, int keep,
cleanups = make_cleanup (null_cleanup, NULL);
gdb_assert (this_cu->cu == NULL);
cu = xmalloc (sizeof (*cu));
init_one_comp_unit (cu, this_cu);
/* If an error occurs while loading, release our storage. */
free_cu_cleanup = make_cleanup (free_heap_comp_unit, cu);
if (use_existing_cu && this_cu->cu != NULL)
{
gdb_assert (this_cu->cu->dwo_unit == sig_type->dwo_unit);
cu = this_cu->cu;
/* There's no need to do the rereading_dwo_cu handling that
init_cutu_and_read_dies does since we don't read the stub. */
}
else
{
/* If !use_existing_cu, this_cu->cu must be NULL. */
gdb_assert (this_cu->cu == NULL);
cu = xmalloc (sizeof (*cu));
init_one_comp_unit (cu, this_cu);
/* If an error occurs while loading, release our storage. */
free_cu_cleanup = make_cleanup (free_heap_comp_unit, cu);
}
/* A future optimization, if needed, would be to use an existing
abbrev table. When reading DWOs with skeletonless TUs, all the TUs
could share abbrev tables. */
if (read_cutu_die_from_dwo (this_cu, sig_type->dwo_unit,
0 /* abbrev_table_provided */,
@ -5221,26 +5285,29 @@ init_tu_and_read_dwo_dies (struct dwarf2_per_cu_data *this_cu, int keep,
/* All the "real" work is done here. */
die_reader_func (&reader, info_ptr, comp_unit_die, has_children, data);
/* This duplicates some code in init_cutu_and_read_dies,
/* This duplicates the code in init_cutu_and_read_dies,
but the alternative is making the latter more complex.
This function is only for the special case of using DWO files directly:
no point in overly complicating the general case just to handle this. */
if (keep)
if (free_cu_cleanup != NULL)
{
/* We've successfully allocated this compilation unit. Let our
caller clean it up when finished with it. */
discard_cleanups (free_cu_cleanup);
if (keep)
{
/* We've successfully allocated this compilation unit. Let our
caller clean it up when finished with it. */
discard_cleanups (free_cu_cleanup);
/* We can only discard free_cu_cleanup and all subsequent cleanups.
So we have to manually free the abbrev table. */
dwarf2_free_abbrev_table (cu);
/* We can only discard free_cu_cleanup and all subsequent cleanups.
So we have to manually free the abbrev table. */
dwarf2_free_abbrev_table (cu);
/* Link this CU into read_in_chain. */
this_cu->cu->read_in_chain = dwarf2_per_objfile->read_in_chain;
dwarf2_per_objfile->read_in_chain = this_cu;
/* Link this CU into read_in_chain. */
this_cu->cu->read_in_chain = dwarf2_per_objfile->read_in_chain;
dwarf2_per_objfile->read_in_chain = this_cu;
}
else
do_cleanups (free_cu_cleanup);
}
else
do_cleanups (free_cu_cleanup);
do_cleanups (cleanups);
}
@ -5300,8 +5367,8 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
/* Narrow down the scope of possibilities to have to understand. */
gdb_assert (this_cu->is_debug_types);
gdb_assert (abbrev_table == NULL);
gdb_assert (!use_existing_cu);
init_tu_and_read_dwo_dies (this_cu, keep, die_reader_func, data);
init_tu_and_read_dwo_dies (this_cu, use_existing_cu, keep,
die_reader_func, data);
return;
}
@ -5317,7 +5384,6 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
if (use_existing_cu && this_cu->cu != NULL)
{
cu = this_cu->cu;
/* If this CU is from a DWO file we need to start over, we need to
refetch the attributes from the skeleton CU.
This could be optimized by retrieving those attributes from when we
@ -5331,10 +5397,8 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
{
/* If !use_existing_cu, this_cu->cu must be NULL. */
gdb_assert (this_cu->cu == NULL);
cu = xmalloc (sizeof (*cu));
init_one_comp_unit (cu, this_cu);
/* If an error occurs while loading, release our storage. */
free_cu_cleanup = make_cleanup (free_heap_comp_unit, cu);
}
@ -6114,31 +6178,29 @@ build_type_psymtabs_1 (void)
build_type_psymtabs_reader, NULL);
}
/* type_unit_groups can be NULL if there is an error in the debug info.
Just create an empty table so the rest of gdb doesn't have to watch
for this error case. */
if (dwarf2_per_objfile->type_unit_groups == NULL)
{
dwarf2_per_objfile->type_unit_groups =
allocate_type_unit_groups_table ();
}
do_cleanups (cleanups);
}
if (dwarf2_read_debug)
{
fprintf_unfiltered (gdb_stdlog, "Done building type unit groups:\n");
fprintf_unfiltered (gdb_stdlog, " %d TUs\n",
dwarf2_per_objfile->n_type_units);
fprintf_unfiltered (gdb_stdlog, " %d uniq abbrev tables\n",
tu_stats->nr_uniq_abbrev_tables);
fprintf_unfiltered (gdb_stdlog, " %d symtabs from stmt_list entries\n",
tu_stats->nr_symtabs);
fprintf_unfiltered (gdb_stdlog, " %d symtab sharers\n",
tu_stats->nr_symtab_sharers);
fprintf_unfiltered (gdb_stdlog, " %d type units without a stmt_list\n",
tu_stats->nr_stmt_less_type_units);
}
/* Print collected type unit statistics. */
static void
print_tu_stats (void)
{
struct tu_stats *tu_stats = &dwarf2_per_objfile->tu_stats;
fprintf_unfiltered (gdb_stdlog, "Type unit statistics:\n");
fprintf_unfiltered (gdb_stdlog, " %d TUs\n",
dwarf2_per_objfile->n_type_units);
fprintf_unfiltered (gdb_stdlog, " %d uniq abbrev tables\n",
tu_stats->nr_uniq_abbrev_tables);
fprintf_unfiltered (gdb_stdlog, " %d symtabs from stmt_list entries\n",
tu_stats->nr_symtabs);
fprintf_unfiltered (gdb_stdlog, " %d symtab sharers\n",
tu_stats->nr_symtab_sharers);
fprintf_unfiltered (gdb_stdlog, " %d type units without a stmt_list\n",
tu_stats->nr_stmt_less_type_units);
fprintf_unfiltered (gdb_stdlog, " %d all_type_units reallocs\n",
tu_stats->nr_all_type_units_reallocs);
}
/* Traversal function for build_type_psymtabs. */
@ -6184,10 +6246,78 @@ build_type_psymtabs (struct objfile *objfile)
return;
build_type_psymtabs_1 ();
}
/* Now that all TUs have been processed we can fill in the dependencies. */
htab_traverse_noresize (dwarf2_per_objfile->type_unit_groups,
build_type_psymtab_dependencies, NULL);
/* Traversal function for process_skeletonless_type_unit.
Read a TU in a DWO file and build partial symbols for it. */
static int
process_skeletonless_type_unit (void **slot, void *info)
{
struct dwo_unit *dwo_unit = (struct dwo_unit *) *slot;
struct objfile *objfile = info;
struct signatured_type find_entry, *entry;
/* If this TU doesn't exist in the global table, add it and read it in. */
if (dwarf2_per_objfile->signatured_types == NULL)
{
dwarf2_per_objfile->signatured_types
= allocate_signatured_type_table (objfile);
}
find_entry.signature = dwo_unit->signature;
slot = htab_find_slot (dwarf2_per_objfile->signatured_types, &find_entry,
INSERT);
/* If we've already seen this type there's nothing to do. What's happening
is we're doing our own version of comdat-folding here. */
if (*slot != NULL)
return 1;
/* This does the job that create_all_type_units would have done for
this TU. */
entry = add_type_unit (dwo_unit->signature, slot);
fill_in_sig_entry_from_dwo_entry (objfile, entry, dwo_unit);
*slot = entry;
/* This does the job that build_type_psymtabs_1 would have done. */
init_cutu_and_read_dies (&entry->per_cu, NULL, 0, 0,
build_type_psymtabs_reader, NULL);
return 1;
}
/* Traversal function for process_skeletonless_type_units. */
static int
process_dwo_file_for_skeletonless_type_units (void **slot, void *info)
{
struct dwo_file *dwo_file = (struct dwo_file *) *slot;
if (dwo_file->tus != NULL)
{
htab_traverse_noresize (dwo_file->tus,
process_skeletonless_type_unit, info);
}
return 1;
}
/* Scan all TUs of DWO files, verifying we've processed them.
This is needed in case a TU was emitted without its skeleton.
Note: This can't be done until we know what all the DWO files are. */
static void
process_skeletonless_type_units (struct objfile *objfile)
{
/* Skeletonless TUs in DWP files without .gdb_index is not supported yet. */
if (get_dwp_file () == NULL
&& dwarf2_per_objfile->dwo_files != NULL)
{
htab_traverse_noresize (dwarf2_per_objfile->dwo_files,
process_dwo_file_for_skeletonless_type_units,
objfile);
}
}
/* A cleanup function that clears objfile's psymtabs_addrmap field. */
@ -6267,6 +6397,19 @@ dwarf2_build_psymtabs_hard (struct objfile *objfile)
process_psymtab_comp_unit (per_cu, 0, language_minimal);
}
/* This has to wait until we read the CUs, we need the list of DWOs. */
process_skeletonless_type_units (objfile);
/* Now that all TUs have been processed we can fill in the dependencies. */
if (dwarf2_per_objfile->type_unit_groups != NULL)
{
htab_traverse_noresize (dwarf2_per_objfile->type_unit_groups,
build_type_psymtab_dependencies, NULL);
}
if (dwarf2_read_debug)
print_tu_stats ();
set_partial_user (objfile);
objfile->psymtabs_addrmap = addrmap_create_fixed (objfile->psymtabs_addrmap,