#include <inttypes.h>
#include <endian.h>
#include <errno.h>
+#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/list.h>
#include <babeltrace/types.h>
#include <babeltrace/ctf/metadata.h>
struct declaration_scope *declaration_scope,
struct ctf_trace *trace);
+static
+int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node,
+ struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace);
+
/*
* String returned must be freed by the caller using g_free.
*/
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)
{
assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN);
assert(i == 0);
src_string = node->u.unary_expression.u.string;
- ret = uuid_parse(node->u.unary_expression.u.string, *uuid);
+ ret = uuid_parse(src_string, *uuid);
}
return ret;
}
static
-struct ctf_stream *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id)
+struct ctf_stream_class *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id)
{
if (trace->streams->len <= stream_id)
return NULL;
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)
{
fprintf(fd, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q));
return NULL;
}
+ if (nested_declaration->id == CTF_TYPE_INTEGER) {
+ struct declaration_integer *integer_declaration =
+ container_of(nested_declaration, struct declaration_integer, p);
+ /* For base to 16 for pointers (expected pretty-print) */
+ if (!integer_declaration->base) {
+ /*
+ * We need to do a copy of the
+ * integer declaration to modify it. There could be other references to
+ * it.
+ */
+ 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->clock);
+ nested_declaration = &integer_declaration->p;
+ }
+ }
} else {
nested_declaration = ctf_type_specifier_list_visit(fd, depth,
type_specifier_list, declaration_scope, trace);
return nested_declaration;
} else {
struct declaration *declaration;
- struct ctf_node *length;
+ struct ctf_node *first;
/* TYPEDEC_NESTED */
+ if (!nested_declaration) {
+ fprintf(fd, "[error] %s: nested type is unknown.\n", __func__);
+ return NULL;
+ }
+
/* create array/sequence, pass nested_declaration as child. */
- length = node_type_declarator->u.type_declarator.u.nested.length;
- if (!length) {
- fprintf(fd, "[error] %s: expecting length type or value.\n", __func__);
+ if (cds_list_empty(&node_type_declarator->u.type_declarator.u.nested.length)) {
+ fprintf(fd, "[error] %s: expecting length field reference or value.\n", __func__);
return NULL;
}
- switch (length->type) {
- case NODE_UNARY_EXPRESSION:
+ first = _cds_list_first_entry(&node_type_declarator->u.type_declarator.u.nested.length,
+ struct ctf_node, siblings);
+ assert(first->type == NODE_UNARY_EXPRESSION);
+
+ switch (first->u.unary_expression.type) {
+ case UNARY_UNSIGNED_CONSTANT:
{
struct declaration_array *array_declaration;
size_t len;
- if (length->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) {
- fprintf(fd, "[error] %s: array: unexpected unary expression.\n", __func__);
- return NULL;
- }
- len = length->u.unary_expression.u.unsigned_constant;
+ len = first->u.unary_expression.u.unsigned_constant;
array_declaration = array_declaration_new(len, nested_declaration,
declaration_scope);
+
+ if (!array_declaration) {
+ fprintf(fd, "[error] %s: cannot create array declaration.\n", __func__);
+ return NULL;
+ }
declaration = &array_declaration->p;
break;
}
- case NODE_TYPE_SPECIFIER_LIST:
+ case UNARY_STRING:
{
+ /* Lookup unsigned integer definition, create sequence */
+ char *length_name = concatenate_unary_strings(&node_type_declarator->u.type_declarator.u.nested.length);
struct declaration_sequence *sequence_declaration;
- struct declaration_integer *integer_declaration;
- declaration = ctf_type_specifier_list_visit(fd, depth,
- length, declaration_scope, trace);
- if (!declaration) {
- fprintf(fd, "[error] %s: unable to find declaration type for sequence length\n", __func__);
- return NULL;
- }
- if (declaration->id != CTF_TYPE_INTEGER) {
- fprintf(fd, "[error] %s: length type for sequence is expected to be an integer (unsigned).\n", __func__);
- declaration_unref(declaration);
+ sequence_declaration = sequence_declaration_new(length_name, nested_declaration, declaration_scope);
+ if (!sequence_declaration) {
+ fprintf(fd, "[error] %s: cannot create sequence declaration.\n", __func__);
return NULL;
}
- integer_declaration = container_of(declaration, struct declaration_integer, p);
- if (integer_declaration->signedness != false) {
- fprintf(fd, "[error] %s: length type for sequence should always be an unsigned integer.\n", __func__);
- declaration_unref(declaration);
- return NULL;
- }
-
- sequence_declaration = sequence_declaration_new(integer_declaration,
- nested_declaration, declaration_scope);
declaration = &sequence_declaration->p;
break;
}
fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__);
return -EINVAL;
}
+
+ /* Check if field with same name already exists */
+ if (struct_declaration_lookup_field_index(struct_declaration, field_name) >= 0) {
+ fprintf(fd, "[error] %s: duplicate field %s in struct\n", __func__, g_quark_to_string(field_name));
+ return -EINVAL;
+ }
+
struct_declaration_add_field(struct_declaration,
g_quark_to_string(field_name),
field_declaration);
fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__);
return -EINVAL;
}
+
+ if (untagged_variant_declaration_get_field_from_tag(untagged_variant_declaration, field_name) != NULL) {
+ fprintf(fd, "[error] %s: duplicate field %s in variant\n", __func__, g_quark_to_string(field_name));
+ return -EINVAL;
+ }
+
+
untagged_variant_declaration_add_field(untagged_variant_declaration,
g_quark_to_string(field_name),
field_declaration);
return 0;
error:
- type_declaration->declaration_free(type_declaration);
+ if (type_declaration) {
+ type_declaration->declaration_free(type_declaration);
+ }
return err;
}
static
struct declaration *ctf_declaration_struct_visit(FILE *fd,
int depth, const char *name, struct cds_list_head *declaration_list,
- int has_body, struct declaration_scope *declaration_scope,
+ int has_body, struct cds_list_head *min_align,
+ struct declaration_scope *declaration_scope,
struct ctf_trace *trace)
{
struct declaration_struct *struct_declaration;
declaration_scope);
return &struct_declaration->p;
} else {
+ uint64_t min_align_value = 0;
+
/* For unnamed struct, create type */
/* For named struct (with body), create type and add to declaration scope */
if (name) {
return NULL;
}
}
- struct_declaration = struct_declaration_new(declaration_scope);
+ if (!cds_list_empty(min_align)) {
+ ret = get_unary_unsigned(min_align, &min_align_value);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ }
+ struct_declaration = struct_declaration_new(declaration_scope,
+ min_align_value);
cds_list_for_each_entry(iter, declaration_list, siblings) {
ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter,
struct_declaration, trace);
if (ret)
- goto error;
+ goto error_free_declaration;
}
if (name) {
ret = register_struct_declaration(g_quark_from_string(name),
}
return &struct_declaration->p;
}
-error:
+error_free_declaration:
struct_declaration->p.declaration_free(&struct_declaration->p);
+error:
return NULL;
}
}
+static
+int get_trace_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression)
+{
+ int byte_order;
+
+ if (unary_expression->u.unary_expression.type != UNARY_STRING) {
+ fprintf(fd, "[error] %s: byte_order: expecting string\n",
+ __func__);
+ return -EINVAL;
+ }
+ if (!strcmp(unary_expression->u.unary_expression.u.string, "be"))
+ byte_order = BIG_ENDIAN;
+ else if (!strcmp(unary_expression->u.unary_expression.u.string, "le"))
+ byte_order = LITTLE_ENDIAN;
+ else {
+ fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n",
+ __func__, unary_expression->u.unary_expression.u.string);
+ return -EINVAL;
+ }
+ return byte_order;
+}
+
static
int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression,
struct ctf_trace *trace)
struct ctf_trace *trace)
{
struct ctf_node *expression;
- uint64_t alignment, 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;
}
alignment = right->u.unary_expression.u.unsigned_constant;
+ /* Make sure alignment is a power of two */
+ if (alignment == 0 || (alignment & (alignment - 1)) != 0) {
+ fprintf(fd, "[error] %s: align: expecting power of two\n",
+ __func__);
+ return NULL;
+ }
has_alignment = 1;
+ } else if (!strcmp(left->u.unary_expression.u.string, "base")) {
+ switch (right->u.unary_expression.type) {
+ case UNARY_UNSIGNED_CONSTANT:
+ switch (right->u.unary_expression.u.unsigned_constant) {
+ case 2:
+ case 8:
+ case 10:
+ case 16:
+ base = right->u.unary_expression.u.unsigned_constant;
+ break;
+ default:
+ fprintf(fd, "[error] %s: base not supported (%" PRIu64 ")\n",
+ __func__, right->u.unary_expression.u.unsigned_constant);
+ return NULL;
+ }
+ break;
+ case UNARY_STRING:
+ {
+ char *s_right = concatenate_unary_strings(&expression->u.ctf_expression.right);
+ if (!s_right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__);
+ g_free(s_right);
+ return NULL;
+ }
+ if (!strcmp(s_right, "decimal") || !strcmp(s_right, "dec") || !strcmp(s_right, "d")
+ || !strcmp(s_right, "i") || !strcmp(s_right, "u")) {
+ base = 10;
+ } else if (!strcmp(s_right, "hexadecimal") || !strcmp(s_right, "hex")
+ || !strcmp(s_right, "x") || !strcmp(s_right, "X")
+ || !strcmp(s_right, "p")) {
+ base = 16;
+ } else if (!strcmp(s_right, "octal") || !strcmp(s_right, "oct")
+ || !strcmp(s_right, "o")) {
+ base = 8;
+ } else if (!strcmp(s_right, "binary") || !strcmp(s_right, "b")) {
+ base = 2;
+ } else {
+ fprintf(fd, "[error] %s: unexpected expression for integer base (%s)\n", __func__, s_right);
+ g_free(s_right);
+ return NULL;
+ }
+
+ g_free(s_right);
+ break;
+ }
+ default:
+ fprintf(fd, "[error] %s: base: expecting unsigned constant or unary string\n",
+ __func__);
+ return NULL;
+ }
+ } else if (!strcmp(left->u.unary_expression.u.string, "encoding")) {
+ char *s_right;
+
+ if (right->u.unary_expression.type != UNARY_STRING) {
+ fprintf(fd, "[error] %s: encoding: expecting unary string\n",
+ __func__);
+ return NULL;
+ }
+ s_right = concatenate_unary_strings(&expression->u.ctf_expression.right);
+ if (!s_right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__);
+ g_free(s_right);
+ return NULL;
+ }
+ if (!strcmp(s_right, "UTF8")
+ || !strcmp(s_right, "utf8")
+ || !strcmp(s_right, "utf-8")
+ || !strcmp(s_right, "UTF-8"))
+ encoding = CTF_STRING_UTF8;
+ else if (!strcmp(s_right, "ASCII")
+ || !strcmp(s_right, "ascii"))
+ encoding = CTF_STRING_ASCII;
+ else if (!strcmp(s_right, "none"))
+ encoding = CTF_STRING_NONE;
+ else {
+ fprintf(fd, "[error] %s: unknown string encoding \"%s\"\n", __func__, s_right);
+ g_free(s_right);
+ 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);
+ byte_order, signedness, alignment,
+ base, encoding, clock);
return &integer_declaration->p;
}
struct ctf_trace *trace)
{
struct ctf_node *expression;
- uint64_t alignment, exp_dig, mant_dig, byte_order = trace->byte_order;
+ uint64_t alignment = 1, exp_dig = 0, mant_dig = 0,
+ byte_order = trace->byte_order;
int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0;
struct declaration_float *float_declaration;
return NULL;
}
alignment = right->u.unary_expression.u.unsigned_constant;
+ /* Make sure alignment is a power of two */
+ if (alignment == 0 || (alignment & (alignment - 1)) != 0) {
+ fprintf(fd, "[error] %s: align: expecting power of two\n",
+ __func__);
+ return NULL;
+ }
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"))
node->u._struct.name,
&node->u._struct.declaration_list,
node->u._struct.has_body,
+ &node->u._struct.min_align,
declaration_scope,
trace);
case TYPESPEC_VARIANT:
if (CTF_EVENT_FIELD_IS_SET(event, name)) {
fprintf(fd, "[error] %s: name already declared in event declaration\n", __func__);
- return -EPERM;
+ ret = -EPERM;
+ goto error;
}
right = concatenate_unary_strings(&node->u.ctf_expression.right);
if (!right) {
fprintf(fd, "[error] %s: unexpected unary expression for event name\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
event->name = g_quark_from_string(right);
g_free(right);
} else if (!strcmp(left, "id")) {
if (CTF_EVENT_FIELD_IS_SET(event, id)) {
fprintf(fd, "[error] %s: id already declared in event declaration\n", __func__);
- return -EPERM;
+ ret = -EPERM;
+ goto error;
}
ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id);
if (ret) {
fprintf(fd, "[error] %s: unexpected unary expression for event id\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
CTF_EVENT_SET_FIELD(event, id);
} else if (!strcmp(left, "stream_id")) {
if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) {
fprintf(fd, "[error] %s: stream_id already declared in event declaration\n", __func__);
- return -EPERM;
+ ret = -EPERM;
+ goto error;
}
ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id);
if (ret) {
fprintf(fd, "[error] %s: unexpected unary expression for event stream_id\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
event->stream = trace_stream_lookup(trace, event->stream_id);
if (!event->stream) {
fprintf(fd, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
CTF_EVENT_SET_FIELD(event, stream_id);
} else if (!strcmp(left, "context")) {
if (event->context_decl) {
fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
declaration = ctf_type_specifier_list_visit(fd, depth,
_cds_list_first_entry(&node->u.ctf_expression.right,
struct ctf_node, siblings),
event->declaration_scope, trace);
- if (!declaration)
- return -EPERM;
- if (declaration->id != CTF_TYPE_STRUCT)
- return -EPERM;
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ goto error;
+ }
event->context_decl = container_of(declaration, struct declaration_struct, p);
} else if (!strcmp(left, "fields")) {
struct declaration *declaration;
if (event->fields_decl) {
fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
declaration = ctf_type_specifier_list_visit(fd, depth,
_cds_list_first_entry(&node->u.ctf_expression.right,
struct ctf_node, siblings),
event->declaration_scope, trace);
- if (!declaration)
- return -EPERM;
- if (declaration->id != CTF_TYPE_STRUCT)
- return -EPERM;
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ 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, "[warning] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left);
+ /* Fall-through after warning */
}
+error:
g_free(left);
break;
}
/* TODO: declaration specifier should be added. */
}
- return 0;
+ return ret;
}
static
int ret = 0;
struct ctf_node *iter;
struct ctf_event *event;
- struct definition_scope *parent_def_scope;
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)
fprintf(fd, "[error] %s: missing name field in event declaration\n", __func__);
goto error;
}
- if (!CTF_EVENT_FIELD_IS_SET(event, id)) {
- ret = -EPERM;
- fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__);
- goto error;
- }
if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) {
+ /* Allow missing stream_id if there is only a single stream */
+ switch (trace->streams->len) {
+ case 0: /* Create stream if there was none. */
+ ret = ctf_stream_visit(fd, depth, NULL, trace->root_declaration_scope, trace);
+ if (ret)
+ goto error;
+ /* Fall-through */
+ case 1:
+ event->stream_id = 0;
+ event->stream = trace_stream_lookup(trace, event->stream_id);
+ break;
+ default:
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__);
+ goto error;
+ }
+ }
+ /* Allow only one event without id per stream */
+ if (!CTF_EVENT_FIELD_IS_SET(event, id)
+ && event->stream->events_by_id->len != 0) {
ret = -EPERM;
- fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__);
+ fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__);
goto error;
}
if (event->stream->events_by_id->len <= event->id)
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);
- parent_def_scope = event->stream->definition_scope;
- if (event->context_decl) {
- event->context =
- container_of(
- event->context_decl->p.definition_new(&event->context_decl->p,
- parent_def_scope, 0, 0),
- struct definition_struct, p);
- set_dynamic_definition_scope(&event->context->p,
- event->context->scope,
- "event.context");
- parent_def_scope = event->context->scope;
- declaration_unref(&event->context_decl->p);
- }
- if (event->fields_decl) {
- event->fields =
- container_of(
- event->fields_decl->p.definition_new(&event->fields_decl->p,
- parent_def_scope, 0, 0),
- struct definition_struct, p);
- set_dynamic_definition_scope(&event->fields->p,
- event->fields->scope,
- "event.fields");
- parent_def_scope = event->fields->scope;
- declaration_unref(&event->fields_decl->p);
- }
return 0;
error:
- declaration_unref(&event->fields_decl->p);
- declaration_unref(&event->context_decl->p);
+ 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);
return ret;
static
-int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream *stream, struct ctf_trace *trace)
+int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_class *stream, struct ctf_trace *trace)
{
int ret = 0;
if (!strcmp(left, "id")) {
if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) {
fprintf(fd, "[error] %s: id already declared in stream declaration\n", __func__);
- return -EPERM;
+ ret = -EPERM;
+ goto error;
}
ret = get_unary_unsigned(&node->u.ctf_expression.right, &stream->stream_id);
if (ret) {
fprintf(fd, "[error] %s: unexpected unary expression for stream id\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
CTF_STREAM_SET_FIELD(stream, stream_id);
} else if (!strcmp(left, "event.header")) {
if (stream->event_header_decl) {
fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
declaration = ctf_type_specifier_list_visit(fd, depth,
_cds_list_first_entry(&node->u.ctf_expression.right,
struct ctf_node, siblings),
stream->declaration_scope, trace);
- if (!declaration)
- return -EPERM;
- if (declaration->id != CTF_TYPE_STRUCT)
- return -EPERM;
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ goto error;
+ }
stream->event_header_decl = container_of(declaration, struct declaration_struct, p);
} else if (!strcmp(left, "event.context")) {
struct declaration *declaration;
if (stream->event_context_decl) {
fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
declaration = ctf_type_specifier_list_visit(fd, depth,
_cds_list_first_entry(&node->u.ctf_expression.right,
struct ctf_node, siblings),
stream->declaration_scope, trace);
- if (!declaration)
- return -EPERM;
- if (declaration->id != CTF_TYPE_STRUCT)
- return -EPERM;
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ goto error;
+ }
stream->event_context_decl = container_of(declaration, struct declaration_struct, p);
} else if (!strcmp(left, "packet.context")) {
struct declaration *declaration;
if (stream->packet_context_decl) {
fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
declaration = ctf_type_specifier_list_visit(fd, depth,
_cds_list_first_entry(&node->u.ctf_expression.right,
struct ctf_node, siblings),
stream->declaration_scope, trace);
- if (!declaration)
- return -EPERM;
- if (declaration->id != CTF_TYPE_STRUCT)
- return -EPERM;
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ goto error;
+ }
stream->packet_context_decl = container_of(declaration, struct declaration_struct, p);
+ } else {
+ fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__, left);
+ /* Fall-through after warning */
}
+
+error:
g_free(left);
break;
}
/* TODO: declaration specifier should be added. */
}
- return 0;
+ return ret;
}
static
{
int ret = 0;
struct ctf_node *iter;
- struct ctf_stream *stream;
- struct definition_scope *parent_def_scope;
+ struct ctf_stream_class *stream;
- stream = g_new0(struct ctf_stream, 1);
+ stream = g_new0(struct ctf_stream_class, 1);
stream->declaration_scope = new_declaration_scope(parent_declaration_scope);
stream->events_by_id = g_ptr_array_new();
stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal);
- cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) {
- ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace);
- if (ret)
- goto error;
+ stream->streams = g_ptr_array_new();
+ if (node) {
+ cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) {
+ ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace);
+ if (ret)
+ goto error;
+ }
}
- if (!CTF_STREAM_FIELD_IS_SET(stream, stream_id)) {
- ret = -EPERM;
- fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__);
- goto error;
+ if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) {
+ /* check that packet header has stream_id field. */
+ if (!trace->packet_header_decl
+ || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("stream_id")) < 0) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__);
+ goto error;
+ }
+ } else {
+ /* Allow only one id-less stream */
+ if (trace->streams->len != 0) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__);
+ goto error;
+ }
+ stream->stream_id = 0;
}
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;
-
- parent_def_scope = NULL;
- if (stream->packet_context_decl) {
- stream->packet_context =
- container_of(
- stream->packet_context_decl->p.definition_new(&stream->packet_context_decl->p,
- parent_def_scope, 0, 0),
- struct definition_struct, p);
- set_dynamic_definition_scope(&stream->packet_context->p,
- stream->packet_context->scope,
- "stream.packet.context");
- parent_def_scope = stream->packet_context->scope;
- declaration_unref(&stream->packet_context_decl->p);
- }
- if (stream->event_header_decl) {
- stream->event_header =
- container_of(
- stream->event_header_decl->p.definition_new(&stream->event_header_decl->p,
- parent_def_scope, 0, 0),
- struct definition_struct, p);
- set_dynamic_definition_scope(&stream->event_header->p,
- stream->event_header->scope,
- "stream.event.header");
- parent_def_scope = stream->event_header->scope;
- declaration_unref(&stream->event_header_decl->p);
- }
- if (stream->event_context_decl) {
- stream->event_context =
- container_of(
- stream->event_context_decl->p.definition_new(&stream->event_context_decl->p,
- parent_def_scope, 0, 0),
- struct definition_struct, p);
- set_dynamic_definition_scope(&stream->event_context->p,
- stream->event_context->scope,
- "stream.event.context");
- parent_def_scope = stream->event_context->scope;
- declaration_unref(&stream->event_context_decl->p);
- }
- stream->definition_scope = parent_def_scope;
+ stream->trace = trace;
return 0;
error:
- declaration_unref(&stream->event_header_decl->p);
- declaration_unref(&stream->event_context_decl->p);
- declaration_unref(&stream->packet_context_decl->p);
+ 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);
if (!strcmp(left, "major")) {
if (CTF_TRACE_FIELD_IS_SET(trace, major)) {
fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__);
- return -EPERM;
+ ret = -EPERM;
+ goto error;
}
ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major);
if (ret) {
fprintf(fd, "[error] %s: unexpected unary expression for trace major number\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
CTF_TRACE_SET_FIELD(trace, major);
} else if (!strcmp(left, "minor")) {
if (CTF_TRACE_FIELD_IS_SET(trace, minor)) {
fprintf(fd, "[error] %s: minor already declared in trace declaration\n", __func__);
- return -EPERM;
+ ret = -EPERM;
+ goto error;
}
ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor);
if (ret) {
fprintf(fd, "[error] %s: unexpected unary expression for trace minor number\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
CTF_TRACE_SET_FIELD(trace, minor);
- } else if (!strcmp(left, "word_size")) {
- if (CTF_TRACE_FIELD_IS_SET(trace, word_size)) {
- fprintf(fd, "[error] %s: word_size already declared in trace declaration\n", __func__);
- return -EPERM;
- }
- ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->word_size);
- if (ret) {
- fprintf(fd, "[error] %s: unexpected unary expression for trace word_size\n", __func__);
- return -EINVAL;
- }
- CTF_TRACE_SET_FIELD(trace, word_size);
} else if (!strcmp(left, "uuid")) {
- if (CTF_TRACE_FIELD_IS_SET(trace, uuid)) {
- fprintf(fd, "[error] %s: uuid already declared in trace declaration\n", __func__);
- return -EPERM;
- }
- ret = get_unary_uuid(&node->u.ctf_expression.right, &trace->uuid);
+ uuid_t uuid;
+
+ ret = get_unary_uuid(&node->u.ctf_expression.right, &uuid);
if (ret) {
fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
+ }
+ if (CTF_TRACE_FIELD_IS_SET(trace, uuid)
+ && uuid_compare(uuid, trace->uuid)) {
+ fprintf(fd, "[error] %s: uuid mismatch\n", __func__);
+ ret = -EPERM;
+ goto error;
+ } else {
+ memcpy(trace->uuid, uuid, sizeof(uuid));
}
CTF_TRACE_SET_FIELD(trace, uuid);
+ } else if (!strcmp(left, "byte_order")) {
+ struct ctf_node *right;
+ int byte_order;
+
+ right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings);
+ byte_order = get_trace_byte_order(fd, depth, right);
+ if (byte_order < 0)
+ return -EINVAL;
+
+ if (CTF_TRACE_FIELD_IS_SET(trace, byte_order)
+ && byte_order != trace->byte_order) {
+ fprintf(fd, "[error] %s: endianness mismatch\n", __func__);
+ ret = -EPERM;
+ goto error;
+ } else {
+ 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")) {
+ struct declaration *declaration;
+
+ if (trace->packet_header_decl) {
+ fprintf(fd, "[error] %s: packet.header already declared in trace declaration\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ declaration = ctf_type_specifier_list_visit(fd, depth,
+ _cds_list_first_entry(&node->u.ctf_expression.right,
+ struct ctf_node, siblings),
+ trace->declaration_scope, trace);
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ goto error;
+ }
+ trace->packet_header_decl = container_of(declaration, struct declaration_struct, p);
+ } else {
+ fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__, left);
}
+
+error:
g_free(left);
break;
}
/* TODO: declaration specifier should be added. */
}
- return 0;
+ return ret;
}
static
fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__);
goto error;
}
- if (!CTF_TRACE_FIELD_IS_SET(trace, word_size)) {
+ if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) {
ret = -EPERM;
- fprintf(fd, "[error] %s: missing word_size field in trace declaration\n", __func__);
+ fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__);
goto error;
}
+
+ if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) {
+ /* check that the packet header contains a "magic" field */
+ if (!trace->packet_header_decl
+ || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("magic")) < 0) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__);
+ goto error;
+ }
+ }
return 0;
error:
+ 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;
- fprintf(fd, "CTF visitor: metadata construction... ");
- trace->root_declaration_scope = new_declaration_scope(NULL);
+ printf_verbose("CTF visitor: metadata construction... ");
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);
if (ret) {
fprintf(fd, "[error] %s: root declaration error\n", __func__);
- return ret;
+ goto error;
}
}
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__);
- return ret;
+ goto error;
}
}
if (!trace->streams) {
fprintf(fd, "[error] %s: missing trace declaration\n", __func__);
- return -EINVAL;
+ 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);
if (ret) {
fprintf(fd, "[error] %s: stream declaration error\n", __func__);
- return ret;
+ goto error;
}
}
cds_list_for_each_entry(iter, &node->u.root.event, siblings) {
trace->root_declaration_scope, trace);
if (ret) {
fprintf(fd, "[error] %s: event declaration error\n", __func__);
- return ret;
+ goto error;
}
}
break;
default:
fprintf(fd, "[error] %s: unknown node type %d\n", __func__,
(int) node->type);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
- fprintf(fd, "done.\n");
+ printf_verbose("done.\n");
+ return ret;
+
+error:
+ free_declaration_scope(trace->root_declaration_scope);
+ g_hash_table_destroy(trace->clocks);
return ret;
}
projects / babeltrace.git / blobdiff