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-rw-r--r--gdb/dwarf2read.c105
1 files changed, 83 insertions, 22 deletions
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 3c407b6..5d474ee 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -2700,32 +2700,63 @@ dw2_expand_symtabs_matching
index = dwarf2_per_objfile->index_table;
if (file_matcher != NULL)
- for (i = 0; i < (dwarf2_per_objfile->n_comp_units
- + dwarf2_per_objfile->n_type_units); ++i)
- {
- int j;
- struct dwarf2_per_cu_data *per_cu = dw2_get_cu (i);
- struct quick_file_names *file_data;
+ {
+ struct cleanup *cleanup;
+ htab_t visited_found, visited_not_found;
- per_cu->v.quick->mark = 0;
+ visited_found = htab_create_alloc (10,
+ htab_hash_pointer, htab_eq_pointer,
+ NULL, xcalloc, xfree);
+ cleanup = make_cleanup_htab_delete (visited_found);
+ visited_not_found = htab_create_alloc (10,
+ htab_hash_pointer, htab_eq_pointer,
+ NULL, xcalloc, xfree);
+ make_cleanup_htab_delete (visited_not_found);
- /* We only need to look at symtabs not already expanded. */
- if (per_cu->v.quick->symtab)
- continue;
+ for (i = 0; i < (dwarf2_per_objfile->n_comp_units
+ + dwarf2_per_objfile->n_type_units); ++i)
+ {
+ int j;
+ struct dwarf2_per_cu_data *per_cu = dw2_get_cu (i);
+ struct quick_file_names *file_data;
+ void **slot;
- file_data = dw2_get_file_names (objfile, per_cu);
- if (file_data == NULL)
- continue;
+ per_cu->v.quick->mark = 0;
- for (j = 0; j < file_data->num_file_names; ++j)
- {
- if (file_matcher (file_data->file_names[j], data))
- {
- per_cu->v.quick->mark = 1;
- break;
- }
- }
- }
+ /* We only need to look at symtabs not already expanded. */
+ if (per_cu->v.quick->symtab)
+ continue;
+
+ file_data = dw2_get_file_names (objfile, per_cu);
+ if (file_data == NULL)
+ continue;
+
+ if (htab_find (visited_not_found, file_data) != NULL)
+ continue;
+ else if (htab_find (visited_found, file_data) != NULL)
+ {
+ per_cu->v.quick->mark = 1;
+ continue;
+ }
+
+ for (j = 0; j < file_data->num_file_names; ++j)
+ {
+ if (file_matcher (file_data->file_names[j], data))
+ {
+ per_cu->v.quick->mark = 1;
+ break;
+ }
+ }
+
+ slot = htab_find_slot (per_cu->v.quick->mark
+ ? visited_found
+ : visited_not_found,
+ file_data, INSERT);
+ *slot = file_data;
+ }
+
+ do_cleanups (cleanup);
+ }
for (iter = 0; iter < index->symbol_table_slots; ++iter)
{
@@ -2787,15 +2818,35 @@ dw2_map_symbol_filenames (struct objfile *objfile, symbol_filename_ftype *fun,
void *data, int need_fullname)
{
int i;
+ struct cleanup *cleanup;
+ htab_t visited = htab_create_alloc (10, htab_hash_pointer, htab_eq_pointer,
+ NULL, xcalloc, xfree);
+ cleanup = make_cleanup_htab_delete (visited);
dw2_setup (objfile);
+ /* We can ignore file names coming from already-expanded CUs. */
+ for (i = 0; i < (dwarf2_per_objfile->n_comp_units
+ + dwarf2_per_objfile->n_type_units); ++i)
+ {
+ struct dwarf2_per_cu_data *per_cu = dw2_get_cu (i);
+
+ if (per_cu->v.quick->symtab)
+ {
+ void **slot = htab_find_slot (visited, per_cu->v.quick->file_names,
+ INSERT);
+
+ *slot = per_cu->v.quick->file_names;
+ }
+ }
+
for (i = 0; i < (dwarf2_per_objfile->n_comp_units
+ dwarf2_per_objfile->n_type_units); ++i)
{
int j;
struct dwarf2_per_cu_data *per_cu = dw2_get_cu (i);
struct quick_file_names *file_data;
+ void **slot;
/* We only need to look at symtabs not already expanded. */
if (per_cu->v.quick->symtab)
@@ -2805,6 +2856,14 @@ dw2_map_symbol_filenames (struct objfile *objfile, symbol_filename_ftype *fun,
if (file_data == NULL)
continue;
+ slot = htab_find_slot (visited, file_data, INSERT);
+ if (*slot)
+ {
+ /* Already visited. */
+ continue;
+ }
+ *slot = file_data;
+
for (j = 0; j < file_data->num_file_names; ++j)
{
const char *this_real_name;
@@ -2816,6 +2875,8 @@ dw2_map_symbol_filenames (struct objfile *objfile, symbol_filename_ftype *fun,
(*fun) (file_data->file_names[j], this_real_name, data);
}
}
+
+ do_cleanups (cleanup);
}
static int