fprintf(fd, "[error] %s: cannot create array declaration.\n", __func__);
return NULL;
}
+ declaration_unref(nested_declaration);
declaration = &array_declaration->p;
break;
}
sequence_declaration = sequence_declaration_new(length_name, nested_declaration, declaration_scope);
if (!sequence_declaration) {
fprintf(fd, "[error] %s: cannot create sequence declaration.\n", __func__);
+ g_free(length_name);
return NULL;
}
+ declaration_unref(nested_declaration);
declaration = &sequence_declaration->p;
+ g_free(length_name);
break;
}
default:
struct_declaration_add_field(struct_declaration,
g_quark_to_string(field_name),
field_declaration);
+ declaration_unref(field_declaration);
}
return 0;
}
return -EINVAL;
}
-
untagged_variant_declaration_add_field(untagged_variant_declaration,
g_quark_to_string(field_name),
field_declaration);
+ declaration_unref(field_declaration);
}
return 0;
}
type_declaration->declaration_free(type_declaration);
return ret;
}
+ declaration_unref(type_declaration);
}
return 0;
}
err = register_declaration(alias_q, type_declaration, scope);
if (err)
goto error;
+ declaration_unref(type_declaration);
return 0;
error:
struct_declaration =
lookup_struct_declaration(g_quark_from_string(name),
declaration_scope);
+ declaration_ref(&struct_declaration->p);
return &struct_declaration->p;
} else {
uint64_t min_align_value = 0;
untagged_variant_declaration =
lookup_variant_declaration(g_quark_from_string(name),
declaration_scope);
+ declaration_ref(&untagged_variant_declaration->p);
} else {
/* For unnamed variant, create type */
/* For named variant (with body), create type and add to declaration scope */
enum_declaration =
lookup_enum_declaration(g_quark_from_string(name),
declaration_scope);
+ declaration_ref(&enum_declaration->p);
return &enum_declaration->p;
} else {
/* For unnamed enum, create type */
enum_declaration,
declaration_scope);
assert(!ret);
+ declaration_unref(&enum_declaration->p);
}
return &enum_declaration->p;
}
id_q = g_quark_from_string(str_c);
g_free(str_c);
declaration = lookup_declaration(id_q, declaration_scope);
+ declaration_ref(declaration);
return declaration;
}
g_free(clock);
}
+static
+int ctf_callsite_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
+ struct ctf_callsite *callsite, struct ctf_trace *trace)
+{
+ int ret = 0;
+
+ switch (node->type) {
+ case NODE_CTF_EXPRESSION:
+ {
+ char *left;
+
+ left = concatenate_unary_strings(&node->u.ctf_expression.left);
+ if (!strcmp(left, "name")) {
+ char *right;
+
+ if (CTF_CALLSITE_FIELD_IS_SET(callsite, name)) {
+ fprintf(fd, "[error] %s: name already declared in callsite declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for callsite name\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ callsite->name = g_quark_from_string(right);
+ g_free(right);
+ CTF_CALLSITE_SET_FIELD(callsite, name);
+ } else if (!strcmp(left, "func")) {
+ char *right;
+
+ if (CTF_CALLSITE_FIELD_IS_SET(callsite, func)) {
+ fprintf(fd, "[error] %s: func already declared in callsite declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for callsite func\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ callsite->func = right;
+ CTF_CALLSITE_SET_FIELD(callsite, func);
+ } else if (!strcmp(left, "file")) {
+ char *right;
+
+ if (CTF_CALLSITE_FIELD_IS_SET(callsite, file)) {
+ fprintf(fd, "[error] %s: file already declared in callsite declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for callsite file\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ callsite->file = right;
+ CTF_CALLSITE_SET_FIELD(callsite, file);
+ } else if (!strcmp(left, "line")) {
+ if (CTF_CALLSITE_FIELD_IS_SET(callsite, line)) {
+ fprintf(fd, "[error] %s: line already declared in callsite declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &callsite->line);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for callsite line\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ CTF_CALLSITE_SET_FIELD(callsite, line);
+ } else if (!strcmp(left, "ip")) {
+ if (CTF_CALLSITE_FIELD_IS_SET(callsite, ip)) {
+ fprintf(fd, "[error] %s: ip already declared in callsite declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &callsite->ip);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for callsite ip\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ CTF_CALLSITE_SET_FIELD(callsite, ip);
+ } else {
+ fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in callsite declaration.\n", __func__, left);
+ }
+
+error:
+ g_free(left);
+ break;
+ }
+ default:
+ return -EPERM;
+ /* TODO: declaration specifier should be added. */
+ }
+
+ return ret;
+}
+
+static
+int ctf_callsite_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
+{
+ int ret = 0;
+ struct ctf_node *iter;
+ struct ctf_callsite *callsite;
+ struct ctf_callsite_dups *cs_dups;
+
+ callsite = g_new0(struct ctf_callsite, 1);
+ bt_list_for_each_entry(iter, &node->u.callsite.declaration_list, siblings) {
+ ret = ctf_callsite_declaration_visit(fd, depth + 1, iter, callsite, trace);
+ if (ret)
+ goto error;
+ }
+ if (!CTF_CALLSITE_FIELD_IS_SET(callsite, name)) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing name field in callsite declaration\n", __func__);
+ goto error;
+ }
+ if (!CTF_CALLSITE_FIELD_IS_SET(callsite, func)) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing func field in callsite declaration\n", __func__);
+ goto error;
+ }
+ if (!CTF_CALLSITE_FIELD_IS_SET(callsite, file)) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing file field in callsite declaration\n", __func__);
+ goto error;
+ }
+ if (!CTF_CALLSITE_FIELD_IS_SET(callsite, line)) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing line field in callsite declaration\n", __func__);
+ goto error;
+ }
+
+ cs_dups = g_hash_table_lookup(trace->callsites,
+ (gpointer) (unsigned long) callsite->name);
+ if (!cs_dups) {
+ cs_dups = g_new0(struct ctf_callsite_dups, 1);
+ BT_INIT_LIST_HEAD(&cs_dups->head);
+ g_hash_table_insert(trace->callsites,
+ (gpointer) (unsigned long) callsite->name, cs_dups);
+ }
+ bt_list_add_tail(&callsite->node, &cs_dups->head);
+ return 0;
+
+error:
+ g_free(callsite->func);
+ g_free(callsite->file);
+ g_free(callsite);
+ return ret;
+}
+
+static
+void callsite_free(gpointer data)
+{
+ struct ctf_callsite_dups *cs_dups = data;
+ struct ctf_callsite *callsite, *cs_n;
+
+ bt_list_for_each_entry_safe(callsite, cs_n, &cs_dups->head, node) {
+ g_free(callsite->func);
+ g_free(callsite->file);
+ g_free(callsite);
+ }
+}
+
static
int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
struct ctf_trace *trace)
strncpy(env->procname, right, TRACER_ENV_LEN);
env->procname[TRACER_ENV_LEN - 1] = '\0';
printf_verbose("env.procname = \"%s\"\n", env->procname);
+ g_free(right);
} else if (!strcmp(left, "hostname")) {
char *right;
strncpy(env->hostname, right, TRACER_ENV_LEN);
env->hostname[TRACER_ENV_LEN - 1] = '\0';
printf_verbose("env.hostname = \"%s\"\n", env->hostname);
+ g_free(right);
} else if (!strcmp(left, "domain")) {
char *right;
strncpy(env->domain, right, TRACER_ENV_LEN);
env->domain[TRACER_ENV_LEN - 1] = '\0';
printf_verbose("env.domain = \"%s\"\n", env->domain);
+ g_free(right);
} else if (!strcmp(left, "sysname")) {
char *right;
strncpy(env->sysname, right, TRACER_ENV_LEN);
env->sysname[TRACER_ENV_LEN - 1] = '\0';
printf_verbose("env.sysname = \"%s\"\n", env->sysname);
+ g_free(right);
} else if (!strcmp(left, "kernel_release")) {
char *right;
strncpy(env->release, right, TRACER_ENV_LEN);
env->release[TRACER_ENV_LEN - 1] = '\0';
printf_verbose("env.release = \"%s\"\n", env->release);
+ g_free(right);
} else if (!strcmp(left, "kernel_version")) {
char *right;
strncpy(env->version, right, TRACER_ENV_LEN);
env->version[TRACER_ENV_LEN - 1] = '\0';
printf_verbose("env.version = \"%s\"\n", env->version);
+ g_free(right);
} else {
if (is_unary_string(&node->u.ctf_expression.right)) {
char *right;
right = concatenate_unary_strings(&node->u.ctf_expression.right);
printf_verbose("env.%s = \"%s\"\n", left, right);
+ g_free(right);
} else if (is_unary_unsigned(&node->u.ctf_expression.right)) {
uint64_t v;
int ret;
return 0;
}
-/* TODO: missing metadata "destroy" (memory leak) */
int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node,
struct ctf_trace *trace, int byte_order)
{
trace->byte_order = byte_order;
trace->clocks = g_hash_table_new_full(g_direct_hash, g_direct_equal,
NULL, clock_free);
+ trace->callsites = g_hash_table_new_full(g_direct_hash, g_direct_equal,
+ NULL, callsite_free);
retry:
trace->root_declaration_scope = new_declaration_scope(NULL);
goto error;
}
}
+ bt_list_for_each_entry(iter, &node->u.root.callsite, siblings) {
+ ret = ctf_callsite_visit(fd, depth + 1, iter,
+ trace);
+ if (ret) {
+ fprintf(fd, "[error] %s: callsite declaration error\n", __func__);
+ goto error;
+ }
+ }
if (!trace->streams) {
fprintf(fd, "[error] %s: missing trace declaration\n", __func__);
ret = -EINVAL;
error:
free_declaration_scope(trace->root_declaration_scope);
+ g_hash_table_destroy(trace->callsites);
g_hash_table_destroy(trace->clocks);
return ret;
}
+
+int ctf_destroy_metadata(struct ctf_trace *trace)
+{
+ int i, j, k;
+ struct ctf_file_stream *metadata_stream;
+
+ if (trace->streams) {
+ for (i = 0; i < trace->streams->len; i++) {
+ struct ctf_stream_declaration *stream;
+
+ stream = g_ptr_array_index(trace->streams, i);
+ if (!stream)
+ continue;
+ for (j = 0; j < stream->streams->len; j++) {
+ struct ctf_stream_definition *stream_def;
+
+ stream_def = g_ptr_array_index(stream->streams, j);
+ if (!stream_def)
+ continue;
+ for (k = 0; k < stream_def->events_by_id->len; k++) {
+ struct ctf_event_definition *event;
+
+ event = g_ptr_array_index(stream_def->events_by_id, k);
+ if (!event)
+ continue;
+ if (&event->event_fields->p)
+ definition_unref(&event->event_fields->p);
+ if (&event->event_context->p)
+ definition_unref(&event->event_context->p);
+ g_free(event);
+ }
+ if (&stream_def->trace_packet_header->p)
+ definition_unref(&stream_def->trace_packet_header->p);
+ if (&stream_def->stream_event_header->p)
+ definition_unref(&stream_def->stream_event_header->p);
+ if (&stream_def->stream_packet_context->p)
+ definition_unref(&stream_def->stream_packet_context->p);
+ if (&stream_def->stream_event_context->p)
+ definition_unref(&stream_def->stream_event_context->p);
+ g_ptr_array_free(stream_def->events_by_id, TRUE);
+ g_free(stream_def);
+ }
+ if (stream->event_header_decl)
+ declaration_unref(&stream->event_header_decl->p);
+ if (stream->event_context_decl)
+ declaration_unref(&stream->event_context_decl->p);
+ if (stream->packet_context_decl)
+ declaration_unref(&stream->packet_context_decl->p);
+ g_ptr_array_free(stream->streams, TRUE);
+ g_ptr_array_free(stream->events_by_id, TRUE);
+ g_hash_table_destroy(stream->event_quark_to_id);
+ free_declaration_scope(stream->declaration_scope);
+ g_free(stream);
+ }
+ g_ptr_array_free(trace->streams, TRUE);
+ }
+
+ if (trace->event_declarations) {
+ for (i = 0; i < trace->event_declarations->len; i++) {
+ struct bt_ctf_event_decl *event_decl;
+ struct ctf_event_declaration *event;
+
+ event_decl = g_ptr_array_index(trace->event_declarations, i);
+ if (event_decl->context_decl)
+ g_ptr_array_free(event_decl->context_decl, TRUE);
+ if (event_decl->fields_decl)
+ g_ptr_array_free(event_decl->fields_decl, TRUE);
+ if (event_decl->packet_header_decl)
+ g_ptr_array_free(event_decl->packet_header_decl, TRUE);
+ if (event_decl->event_context_decl)
+ g_ptr_array_free(event_decl->event_context_decl, TRUE);
+ if (event_decl->event_header_decl)
+ g_ptr_array_free(event_decl->event_header_decl, TRUE);
+ if (event_decl->packet_context_decl)
+ g_ptr_array_free(event_decl->packet_context_decl, TRUE);
+
+ event = &event_decl->parent;
+ if (event->fields_decl)
+ declaration_unref(&event->fields_decl->p);
+ if (event->context_decl)
+ declaration_unref(&event->context_decl->p);
+ free_declaration_scope(event->declaration_scope);
+
+ g_free(event);
+ }
+ g_ptr_array_free(trace->event_declarations, TRUE);
+ }
+ if (trace->packet_header_decl)
+ declaration_unref(&trace->packet_header_decl->p);
+
+ free_declaration_scope(trace->root_declaration_scope);
+ free_declaration_scope(trace->declaration_scope);
+
+ g_hash_table_destroy(trace->callsites);
+ g_hash_table_destroy(trace->clocks);
+
+ metadata_stream = container_of(trace->metadata, struct ctf_file_stream, parent);
+ g_free(metadata_stream);
+
+ return 0;
+}