#include <inttypes.h>
#include <endian.h>
#include <errno.h>
-#include <babeltrace/babeltrace.h>
+#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/list.h>
#include <babeltrace/types.h>
#include <babeltrace/ctf/metadata.h>
return g_string_free(str, FALSE);
}
+static
+GQuark get_map_clock_name_value(struct cds_list_head *head)
+{
+ struct ctf_node *node;
+ const char *name = NULL;
+ int i = 0;
+
+ cds_list_for_each_entry(node, head, siblings) {
+ char *src_string;
+
+ assert(node->type == NODE_UNARY_EXPRESSION);
+ assert(node->u.unary_expression.type == UNARY_STRING);
+ assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN)
+ ^ (i != 0));
+ /* needs to be chained with . */
+ switch (node->u.unary_expression.link) {
+ case UNARY_DOTLINK:
+ break;
+ case UNARY_ARROWLINK:
+ case UNARY_DOTDOTDOT:
+ return 0;
+ default:
+ break;
+ }
+ src_string = node->u.unary_expression.u.string;
+ switch (i) {
+ case 0: if (strcmp("clock", src_string) != 0) {
+ return 0;
+ }
+ break;
+ case 1: name = src_string;
+ break;
+ case 2: if (strcmp("value", src_string) != 0) {
+ return 0;
+ }
+ break;
+ default:
+ return 0; /* extra identifier, unknown */
+ }
+ i++;
+ }
+ return g_quark_from_string(name);
+}
+
static
int get_unary_unsigned(struct cds_list_head *head, uint64_t *value)
{
return 0;
}
+static
+int get_unary_signed(struct cds_list_head *head, int64_t *value)
+{
+ struct ctf_node *node;
+ int i = 0;
+
+ cds_list_for_each_entry(node, head, siblings) {
+ assert(node->type == NODE_UNARY_EXPRESSION);
+ assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT
+ || node->u.unary_expression.type == UNARY_SIGNED_CONSTANT);
+ assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN);
+ assert(i == 0);
+ switch (node->u.unary_expression.type) {
+ case UNARY_UNSIGNED_CONSTANT:
+ *value = (int64_t) node->u.unary_expression.u.unsigned_constant;
+ break;
+ case UNARY_SIGNED_CONSTANT:
+ *value = node->u.unary_expression.u.signed_constant;
+ break;
+ default:
+ assert(0);
+ }
+ i++;
+ }
+ return 0;
+}
+
static
int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid)
{
return g_ptr_array_index(trace->streams, stream_id);
}
+static
+struct ctf_clock *trace_clock_lookup(struct ctf_trace *trace, GQuark clock_name)
+{
+ return g_hash_table_lookup(trace->clocks, (gpointer) (unsigned long) clock_name);
+}
+
static
int visit_type_specifier(FILE *fd, struct ctf_node *type_specifier, GString *str)
{
*/
integer_declaration = integer_declaration_new(integer_declaration->len,
integer_declaration->byte_order, integer_declaration->signedness,
- integer_declaration->p.alignment, 16, integer_declaration->encoding);
+ integer_declaration->p.alignment, 16, integer_declaration->encoding,
+ integer_declaration->clock);
nested_declaration = &integer_declaration->p;
}
}
struct ctf_trace *trace)
{
struct ctf_node *expression;
- uint64_t alignment = 1, size;
+ uint64_t alignment = 1, size = 0;
int byte_order = trace->byte_order;
int signedness = 0;
int has_alignment = 0, has_size = 0;
int base = 0;
enum ctf_string_encoding encoding = CTF_STRING_NONE;
+ struct ctf_clock *clock = NULL;
struct declaration_integer *integer_declaration;
cds_list_for_each_entry(expression, expressions, siblings) {
return NULL;
}
g_free(s_right);
+ } else if (!strcmp(left->u.unary_expression.u.string, "map")) {
+ GQuark clock_name;
+
+ if (right->u.unary_expression.type != UNARY_STRING) {
+ fprintf(fd, "[error] %s: map: expecting identifier\n",
+ __func__);
+ return NULL;
+ }
+ /* currently only support clock.name.value */
+ clock_name = get_map_clock_name_value(&expression->u.ctf_expression.right);
+ if (!clock_name) {
+ char *s_right;
+
+ s_right = concatenate_unary_strings(&expression->u.ctf_expression.right);
+ if (!s_right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for integer map\n", __func__);
+ g_free(s_right);
+ return NULL;
+ }
+ fprintf(fd, "[warning] %s: unknown map %s in integer declaration\n", __func__,
+ s_right);
+ g_free(s_right);
+ continue;
+ }
+ clock = trace_clock_lookup(trace, clock_name);
+ if (!clock) {
+ fprintf(fd, "[error] %s: map: unable to find clock %s declaration\n",
+ __func__, g_quark_to_string(clock_name));
+ return NULL;
+ }
} else {
- fprintf(fd, "[error] %s: unknown attribute name %s\n",
+ fprintf(fd, "[warning] %s: unknown attribute name %s\n",
__func__, left->u.unary_expression.u.string);
- return NULL;
+ /* Fall-through after warning */
}
}
if (!has_size) {
}
integer_declaration = integer_declaration_new(size,
byte_order, signedness, alignment,
- base, encoding);
+ base, encoding, clock);
return &integer_declaration->p;
}
}
has_alignment = 1;
} else {
- fprintf(fd, "[error] %s: unknown attribute name %s\n",
+ fprintf(fd, "[warning] %s: unknown attribute name %s\n",
__func__, left->u.unary_expression.u.string);
- return NULL;
+ /* Fall-through after warning */
}
}
if (!has_mant_dig) {
}
encoding_c = right->u.unary_expression.u.string;
} else {
- fprintf(fd, "[error] %s: unknown attribute name %s\n",
+ fprintf(fd, "[warning] %s: unknown attribute name %s\n",
__func__, left->u.unary_expression.u.string);
- return NULL;
+ /* Fall-through after warning */
}
}
if (encoding_c && !strcmp(encoding_c, "ASCII"))
goto error;
}
event->fields_decl = container_of(declaration, struct declaration_struct, p);
+ } else if (!strcmp(left, "loglevel")) {
+ int64_t loglevel = -1;
+
+ if (CTF_EVENT_FIELD_IS_SET(event, loglevel)) {
+ fprintf(fd, "[error] %s: loglevel already declared in event declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_signed(&node->u.ctf_expression.right, &loglevel);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for event loglevel\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ event->loglevel = (int) loglevel;
+ CTF_EVENT_SET_FIELD(event, loglevel);
} else {
- fprintf(fd, "[error] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left);
- ret = -EINVAL;
- goto error;
+ fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left);
+ /* Fall-through after warning */
}
error:
g_free(left);
event = g_new0(struct ctf_event, 1);
event->declaration_scope = new_declaration_scope(parent_declaration_scope);
+ event->loglevel = -1;
cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) {
ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace);
if (ret)
g_ptr_array_set_size(event->stream->events_by_id, event->id + 1);
g_ptr_array_index(event->stream->events_by_id, event->id) = event;
g_hash_table_insert(event->stream->event_quark_to_id,
- (gpointer)(unsigned long) event->name,
+ (gpointer) (unsigned long) event->name,
&event->id);
return 0;
}
stream->packet_context_decl = container_of(declaration, struct declaration_struct, p);
} else {
- fprintf(fd, "[error] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__, left);
- ret = -EINVAL;
- goto error;
+ fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__, left);
+ /* Fall-through after warning */
}
error:
if (trace->streams->len <= stream->stream_id)
g_ptr_array_set_size(trace->streams, stream->stream_id + 1);
g_ptr_array_index(trace->streams, stream->stream_id) = stream;
+ stream->trace = trace;
return 0;
ret = -EPERM;
goto error;
} else {
- trace->byte_order = byte_order;
+ if (byte_order != trace->byte_order) {
+ trace->byte_order = byte_order;
+ /*
+ * We need to restart
+ * construction of the
+ * intermediate representation.
+ */
+ trace->field_mask = 0;
+ CTF_TRACE_SET_FIELD(trace, byte_order);
+ ret = -EINTR;
+ goto error;
+ }
}
CTF_TRACE_SET_FIELD(trace, byte_order);
} else if (!strcmp(left, "packet.header")) {
}
trace->packet_header_decl = container_of(declaration, struct declaration_struct, p);
} else {
- fprintf(fd, "[error] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__, left);
- ret = -EINVAL;
- goto error;
+ fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__, left);
}
error:
return 0;
error:
- if (trace->packet_header_decl)
+ if (trace->packet_header_decl) {
declaration_unref(&trace->packet_header_decl->p);
+ trace->packet_header_decl = NULL;
+ }
g_ptr_array_free(trace->streams, TRUE);
free_declaration_scope(trace->declaration_scope);
+ trace->declaration_scope = NULL;
return ret;
}
+static
+int ctf_clock_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
+ struct ctf_clock *clock, 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_CLOCK_FIELD_IS_SET(clock, name)) {
+ fprintf(fd, "[error] %s: name already declared in clock 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 clock name\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ clock->name = g_quark_from_string(right);
+ g_free(right);
+ CTF_EVENT_SET_FIELD(clock, name);
+ } else if (!strcmp(left, "uuid")) {
+ char *right;
+
+ if (clock->uuid) {
+ fprintf(fd, "[error] %s: uuid already declared in clock 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 clock uuid\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ clock->uuid = g_quark_from_string(right);
+ g_free(right);
+ } else if (!strcmp(left, "description")) {
+ char *right;
+
+ if (clock->description) {
+ fprintf(fd, "[warning] %s: duplicated clock description\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for clock description\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ clock->description = right;
+ } else if (!strcmp(left, "freq")) {
+ if (clock->freq) {
+ fprintf(fd, "[error] %s: freq already declared in clock declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->freq);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for clock freq\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ } else if (!strcmp(left, "precision")) {
+ if (clock->precision) {
+ fprintf(fd, "[error] %s: precision already declared in clock declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->precision);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for clock precision\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ } else if (!strcmp(left, "offset_s")) {
+ if (clock->offset_s) {
+ fprintf(fd, "[error] %s: offset_s already declared in clock declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->offset_s);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for clock offset_s\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ } else if (!strcmp(left, "offset")) {
+ if (clock->offset) {
+ fprintf(fd, "[error] %s: offset already declared in clock declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->offset);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for clock offset\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ } else if (!strcmp(left, "absolute")) {
+ struct ctf_node *right;
+
+ right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings);
+ ret = get_boolean(fd, depth, right);
+ if (ret < 0) {
+ fprintf(fd, "[error] %s: unexpected \"absolute\" right member\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ clock->absolute = ret;
+ } else {
+ fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in clock declaration.\n", __func__, left);
+ }
+
+error:
+ g_free(left);
+ break;
+ }
+ default:
+ return -EPERM;
+ /* TODO: declaration specifier should be added. */
+ }
+
+ return ret;
+}
+
+static
+int ctf_clock_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
+{
+ int ret = 0;
+ struct ctf_node *iter;
+ struct ctf_clock *clock;
+
+ clock = g_new0(struct ctf_clock, 1);
+ cds_list_for_each_entry(iter, &node->u.clock.declaration_list, siblings) {
+ ret = ctf_clock_declaration_visit(fd, depth + 1, iter, clock, trace);
+ if (ret)
+ goto error;
+ }
+ if (!CTF_CLOCK_FIELD_IS_SET(clock, name)) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing namefield in clock declaration\n", __func__);
+ goto error;
+ }
+ g_hash_table_insert(trace->clocks, (gpointer) (unsigned long) clock->name, clock);
+ return 0;
+
+error:
+ g_free(clock->description);
+ g_free(clock);
+ return ret;
+}
+
+static
+void clock_free(gpointer data)
+{
+ struct ctf_clock *clock = data;
+
+ g_free(clock->description);
+ g_free(clock);
+}
+
+static
+int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
+ struct ctf_trace *trace)
+{
+ int ret = 0;
+ struct ctf_tracer_env *env = &trace->env;
+
+ switch (node->type) {
+ case NODE_CTF_EXPRESSION:
+ {
+ char *left;
+
+ left = concatenate_unary_strings(&node->u.ctf_expression.left);
+ if (!strcmp(left, "vpid")) {
+ uint64_t v;
+
+ if (env->vpid != -1) {
+ fprintf(fd, "[error] %s: vpid already declared in env declaration\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &v);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for env vpid\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ env->vpid = (int) v;
+ printf_verbose("env.vpid = %d\n", env->vpid);
+ } else if (!strcmp(left, "procname")) {
+ char *right;
+
+ if (env->procname[0]) {
+ fprintf(fd, "[warning] %s: duplicated env procname\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for env procname\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ strncpy(env->procname, right, TRACER_ENV_LEN);
+ env->procname[TRACER_ENV_LEN - 1] = '\0';
+ printf_verbose("env.procname = %s\n", env->procname);
+ } else if (!strcmp(left, "domain")) {
+ char *right;
+
+ if (env->domain[0]) {
+ fprintf(fd, "[warning] %s: duplicated env domain\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for env domain\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ strncpy(env->domain, right, TRACER_ENV_LEN);
+ env->domain[TRACER_ENV_LEN - 1] = '\0';
+ printf_verbose("env.domain = %s\n", env->domain);
+ } else if (!strcmp(left, "sysname")) {
+ char *right;
+
+ if (env->sysname[0]) {
+ fprintf(fd, "[warning] %s: duplicated env sysname\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for env sysname\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ strncpy(env->sysname, right, TRACER_ENV_LEN);
+ env->sysname[TRACER_ENV_LEN - 1] = '\0';
+ printf_verbose("env.sysname = %s\n", env->sysname);
+ } else if (!strcmp(left, "release")) {
+ char *right;
+
+ if (env->release[0]) {
+ fprintf(fd, "[warning] %s: duplicated env release\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for env release\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ strncpy(env->release, right, TRACER_ENV_LEN);
+ env->release[TRACER_ENV_LEN - 1] = '\0';
+ printf_verbose("env.release = %s\n", env->release);
+ } else if (!strcmp(left, "version")) {
+ char *right;
+
+ if (env->version[0]) {
+ fprintf(fd, "[warning] %s: duplicated env version\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for env version\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ strncpy(env->version, right, TRACER_ENV_LEN);
+ env->version[TRACER_ENV_LEN - 1] = '\0';
+ printf_verbose("env.version = %s\n", env->version);
+ } else {
+ printf_verbose("%s: attribute \"%s\" is unknown in environment declaration.\n", __func__, left);
+ }
+
+error:
+ g_free(left);
+ break;
+ }
+ default:
+ return -EPERM;
+ }
+
+ return ret;
+}
+
+static
+int ctf_env_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
+{
+ int ret = 0;
+ struct ctf_node *iter;
+
+ trace->env.vpid = -1;
+ trace->env.procname[0] = '\0';
+ trace->env.domain[0] = '\0';
+ trace->env.sysname[0] = '\0';
+ trace->env.release[0] = '\0';
+ trace->env.version[0] = '\0';
+ cds_list_for_each_entry(iter, &node->u.env.declaration_list, siblings) {
+ ret = ctf_env_declaration_visit(fd, depth + 1, iter, trace);
+ if (ret)
+ goto error;
+ }
+error:
+ return 0;
+}
+
static
int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
{
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)
{
int ret = 0;
struct ctf_node *iter;
+ int env_clock_done = 0;
printf_verbose("CTF visitor: metadata construction... ");
- trace->root_declaration_scope = new_declaration_scope(NULL);
trace->byte_order = byte_order;
+ trace->clocks = g_hash_table_new_full(g_direct_hash, g_direct_equal,
+ NULL, clock_free);
+
+retry:
+ trace->root_declaration_scope = new_declaration_scope(NULL);
switch (node->type) {
case NODE_ROOT:
+ if (!env_clock_done) {
+ /*
+ * declarations need to query clock hash table,
+ * so clock need to be treated first.
+ */
+ cds_list_for_each_entry(iter, &node->u.root.clock, siblings) {
+ ret = ctf_clock_visit(fd, depth + 1, iter,
+ trace);
+ if (ret) {
+ fprintf(fd, "[error] %s: clock declaration error\n", __func__);
+ goto error;
+ }
+ }
+ env_clock_done = 1;
+ }
cds_list_for_each_entry(iter, &node->u.root.declaration_list,
siblings) {
ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace);
}
cds_list_for_each_entry(iter, &node->u.root.trace, siblings) {
ret = ctf_trace_visit(fd, depth + 1, iter, trace);
+ if (ret == -EINTR) {
+ free_declaration_scope(trace->root_declaration_scope);
+ /*
+ * Need to restart creation of type
+ * definitions, aliases and
+ * trace header declarations.
+ */
+ goto retry;
+ }
if (ret) {
fprintf(fd, "[error] %s: trace declaration error\n", __func__);
goto error;
ret = -EINVAL;
goto error;
}
+ cds_list_for_each_entry(iter, &node->u.root.env, siblings) {
+ ret = ctf_env_visit(fd, depth + 1, iter, trace);
+ if (ret) {
+ fprintf(fd, "[error] %s: env declaration error\n", __func__);
+ goto error;
+ }
+ }
cds_list_for_each_entry(iter, &node->u.root.stream, siblings) {
ret = ctf_stream_visit(fd, depth + 1, iter,
trace->root_declaration_scope, trace);
error:
free_declaration_scope(trace->root_declaration_scope);
+ g_hash_table_destroy(trace->clocks);
return ret;
}
projects / babeltrace.git / blobdiff