X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf%2Fmetadata%2Fctf-visitor-generate-io-struct.c;fp=formats%2Fctf%2Fmetadata%2Fctf-visitor-generate-io-struct.c;h=0000000000000000000000000000000000000000;hp=13b79f007e434b150efac45bc4369d23a1dc58c4;hb=dc3fffef7b84cc4af1a7c99828fd57a106cd2257;hpb=f3985ab106d89d8e764c1a8dd0c8bda09b755d10 diff --git a/formats/ctf/metadata/ctf-visitor-generate-io-struct.c b/formats/ctf/metadata/ctf-visitor-generate-io-struct.c deleted file mode 100644 index 13b79f00..00000000 --- a/formats/ctf/metadata/ctf-visitor-generate-io-struct.c +++ /dev/null @@ -1,3192 +0,0 @@ -/* - * ctf-visitor-generate-io-struct.c - * - * Common Trace Format Metadata Visitor (generate I/O structures). - * - * Copyright 2010 - Mathieu Desnoyers - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "ctf-scanner.h" -#include "ctf-parser.h" -#include "ctf-ast.h" - -#define fprintf_dbg(fd, fmt, args...) fprintf(fd, "%s: " fmt, __func__, ## args) - -#define _bt_list_first_entry(ptr, type, member) \ - bt_list_entry((ptr)->next, type, member) - -struct last_enum_value { - union { - int64_t s; - uint64_t u; - } u; -}; - -int opt_clock_force_correlate; - -static -struct bt_declaration *ctf_type_specifier_list_visit(FILE *fd, - int depth, struct ctf_node *type_specifier_list, - 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); - -static -int is_unary_string(struct bt_list_head *head) -{ - struct ctf_node *node; - - bt_list_for_each_entry(node, head, siblings) { - if (node->type != NODE_UNARY_EXPRESSION) - return 0; - if (node->u.unary_expression.type != UNARY_STRING) - return 0; - } - return 1; -} - -/* - * String returned must be freed by the caller using g_free. - */ -static -char *concatenate_unary_strings(struct bt_list_head *head) -{ - struct ctf_node *node; - GString *str; - int i = 0; - - str = g_string_new(""); - bt_list_for_each_entry(node, head, siblings) { - char *src_string; - - if (node->type != NODE_UNARY_EXPRESSION - || node->u.unary_expression.type != UNARY_STRING - || !((node->u.unary_expression.link != UNARY_LINK_UNKNOWN) - ^ (i == 0))) - return NULL; - switch (node->u.unary_expression.link) { - case UNARY_DOTLINK: - g_string_append(str, "."); - break; - case UNARY_ARROWLINK: - g_string_append(str, "->"); - break; - case UNARY_DOTDOTDOT: - g_string_append(str, "..."); - break; - default: - break; - } - src_string = node->u.unary_expression.u.string; - g_string_append(str, src_string); - i++; - } - return g_string_free(str, FALSE); -} - -static -GQuark get_map_clock_name_value(struct bt_list_head *head) -{ - struct ctf_node *node; - const char *name = NULL; - int i = 0; - - bt_list_for_each_entry(node, head, siblings) { - char *src_string; - - if (node->type != NODE_UNARY_EXPRESSION - || node->u.unary_expression.type != UNARY_STRING - || !((node->u.unary_expression.link != UNARY_LINK_UNKNOWN) - ^ (i == 0))) - return 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 is_unary_unsigned(struct bt_list_head *head) -{ - struct ctf_node *node; - - bt_list_for_each_entry(node, head, siblings) { - if (node->type != NODE_UNARY_EXPRESSION) - return 0; - if (node->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) - return 0; - } - return 1; -} - -static -int get_unary_unsigned(struct bt_list_head *head, uint64_t *value) -{ - struct ctf_node *node; - int i = 0; - - bt_list_for_each_entry(node, head, siblings) { - if (node->type != NODE_UNARY_EXPRESSION - || node->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT - || node->u.unary_expression.link != UNARY_LINK_UNKNOWN - || i != 0) - return -EINVAL; - *value = node->u.unary_expression.u.unsigned_constant; - i++; - } - return 0; -} - -static -int is_unary_signed(struct bt_list_head *head) -{ - struct ctf_node *node; - - bt_list_for_each_entry(node, head, siblings) { - if (node->type != NODE_UNARY_EXPRESSION) - return 0; - if (node->u.unary_expression.type != UNARY_SIGNED_CONSTANT) - return 0; - } - return 1; -} - -static -int get_unary_signed(struct bt_list_head *head, int64_t *value) -{ - struct ctf_node *node; - int i = 0; - - bt_list_for_each_entry(node, head, siblings) { - if (node->type != NODE_UNARY_EXPRESSION - || (node->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT && node->u.unary_expression.type != UNARY_SIGNED_CONSTANT) - || node->u.unary_expression.link != UNARY_LINK_UNKNOWN - || i != 0) - return -EINVAL; - 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: - return -EINVAL; - } - i++; - } - return 0; -} - -static -int get_unary_uuid(struct bt_list_head *head, unsigned char *uuid) -{ - struct ctf_node *node; - int i = 0; - int ret = -1; - - bt_list_for_each_entry(node, head, siblings) { - const char *src_string; - - if (node->type != NODE_UNARY_EXPRESSION - || node->u.unary_expression.type != UNARY_STRING - || node->u.unary_expression.link != UNARY_LINK_UNKNOWN - || i != 0) - return -EINVAL; - src_string = node->u.unary_expression.u.string; - ret = bt_uuid_parse(src_string, uuid); - } - return ret; -} - -static -struct ctf_stream_declaration *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_event_declaration *stream_event_lookup(struct ctf_stream_declaration *stream, uint64_t event_id) -{ - if (stream->events_by_id->len <= event_id) - return NULL; - return g_ptr_array_index(stream->events_by_id, event_id); -} - -static -struct ctf_clock *trace_clock_lookup(struct ctf_trace *trace, GQuark clock_name) -{ - return g_hash_table_lookup(trace->parent.clocks, GUINT_TO_POINTER(clock_name)); -} - -static -int visit_type_specifier(FILE *fd, struct ctf_node *type_specifier, GString *str) -{ - if (type_specifier->type != NODE_TYPE_SPECIFIER) - return -EINVAL; - - switch (type_specifier->u.type_specifier.type) { - case TYPESPEC_VOID: - g_string_append(str, "void"); - break; - case TYPESPEC_CHAR: - g_string_append(str, "char"); - break; - case TYPESPEC_SHORT: - g_string_append(str, "short"); - break; - case TYPESPEC_INT: - g_string_append(str, "int"); - break; - case TYPESPEC_LONG: - g_string_append(str, "long"); - break; - case TYPESPEC_FLOAT: - g_string_append(str, "float"); - break; - case TYPESPEC_DOUBLE: - g_string_append(str, "double"); - break; - case TYPESPEC_SIGNED: - g_string_append(str, "signed"); - break; - case TYPESPEC_UNSIGNED: - g_string_append(str, "unsigned"); - break; - case TYPESPEC_BOOL: - g_string_append(str, "bool"); - break; - case TYPESPEC_COMPLEX: - g_string_append(str, "_Complex"); - break; - case TYPESPEC_IMAGINARY: - g_string_append(str, "_Imaginary"); - break; - case TYPESPEC_CONST: - g_string_append(str, "const"); - break; - case TYPESPEC_ID_TYPE: - if (type_specifier->u.type_specifier.id_type) - g_string_append(str, type_specifier->u.type_specifier.id_type); - break; - case TYPESPEC_STRUCT: - { - struct ctf_node *node = type_specifier->u.type_specifier.node; - - if (!node->u._struct.name) { - fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); - return -EINVAL; - } - g_string_append(str, "struct "); - g_string_append(str, node->u._struct.name); - break; - } - case TYPESPEC_VARIANT: - { - struct ctf_node *node = type_specifier->u.type_specifier.node; - - if (!node->u.variant.name) { - fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); - return -EINVAL; - } - g_string_append(str, "variant "); - g_string_append(str, node->u.variant.name); - break; - } - case TYPESPEC_ENUM: - { - struct ctf_node *node = type_specifier->u.type_specifier.node; - - if (!node->u._enum.enum_id) { - fprintf(fd, "[error] %s: unexpected empty enum ID\n", __func__); - return -EINVAL; - } - g_string_append(str, "enum "); - g_string_append(str, node->u._enum.enum_id); - break; - } - case TYPESPEC_FLOATING_POINT: - case TYPESPEC_INTEGER: - case TYPESPEC_STRING: - default: - fprintf(fd, "[error] %s: unknown specifier\n", __func__); - return -EINVAL; - } - return 0; -} - -static -int visit_type_specifier_list(FILE *fd, struct ctf_node *type_specifier_list, GString *str) -{ - struct ctf_node *iter; - int alias_item_nr = 0; - int ret; - - bt_list_for_each_entry(iter, &type_specifier_list->u.type_specifier_list.head, siblings) { - if (alias_item_nr != 0) - g_string_append(str, " "); - alias_item_nr++; - ret = visit_type_specifier(fd, iter, str); - if (ret) - return ret; - } - return 0; -} - -static -GQuark create_typealias_identifier(FILE *fd, int depth, - struct ctf_node *type_specifier_list, - struct ctf_node *node_type_declarator) -{ - struct ctf_node *iter; - GString *str; - char *str_c; - GQuark alias_q; - int ret; - - str = g_string_new(""); - ret = visit_type_specifier_list(fd, type_specifier_list, str); - if (ret) { - g_string_free(str, TRUE); - return 0; - } - bt_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) { - g_string_append(str, " *"); - if (iter->u.pointer.const_qualifier) - g_string_append(str, " const"); - } - str_c = g_string_free(str, FALSE); - alias_q = g_quark_from_string(str_c); - g_free(str_c); - return alias_q; -} - -static -struct bt_declaration *ctf_type_declarator_visit(FILE *fd, int depth, - struct ctf_node *type_specifier_list, - GQuark *field_name, - struct ctf_node *node_type_declarator, - struct declaration_scope *declaration_scope, - struct bt_declaration *nested_declaration, - struct ctf_trace *trace) -{ - /* - * Visit type declarator by first taking care of sequence/array - * (recursively). Then, when we get to the identifier, take care - * of pointers. - */ - - if (node_type_declarator) { - if (node_type_declarator->u.type_declarator.type == TYPEDEC_UNKNOWN) { - return NULL; - } - - /* TODO: gcc bitfields not supported yet. */ - if (node_type_declarator->u.type_declarator.bitfield_len != NULL) { - fprintf(fd, "[error] %s: gcc bitfields are not supported yet.\n", __func__); - return NULL; - } - } - - if (!nested_declaration) { - if (node_type_declarator && !bt_list_empty(&node_type_declarator->u.type_declarator.pointers)) { - GQuark alias_q; - - /* - * If we have a pointer declarator, it _has_ to be present in - * the typealiases (else fail). - */ - alias_q = create_typealias_identifier(fd, depth, - type_specifier_list, node_type_declarator); - nested_declaration = bt_lookup_declaration(alias_q, declaration_scope); - if (!nested_declaration) { - fprintf(fd, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q)); - return NULL; - } - if (nested_declaration->id == BT_CTF_TYPE_ID_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 = bt_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); - } - } - - if (!node_type_declarator) - return nested_declaration; - - if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) { - if (node_type_declarator->u.type_declarator.u.id) - *field_name = g_quark_from_string(node_type_declarator->u.type_declarator.u.id); - else - *field_name = 0; - return nested_declaration; - } else { - struct bt_declaration *declaration; - 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. */ - if (bt_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; - } - first = _bt_list_first_entry(&node_type_declarator->u.type_declarator.u.nested.length, - struct ctf_node, siblings); - if (first->type != NODE_UNARY_EXPRESSION) { - return NULL; - } - - switch (first->u.unary_expression.type) { - case UNARY_UNSIGNED_CONSTANT: - { - struct declaration_array *array_declaration; - size_t len; - - len = first->u.unary_expression.u.unsigned_constant; - array_declaration = bt_array_declaration_new(len, nested_declaration, - declaration_scope); - - if (!array_declaration) { - fprintf(fd, "[error] %s: cannot create array declaration.\n", __func__); - return NULL; - } - bt_declaration_unref(nested_declaration); - declaration = &array_declaration->p; - break; - } - 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; - - if (!length_name) - return NULL; - sequence_declaration = bt_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; - } - bt_declaration_unref(nested_declaration); - declaration = &sequence_declaration->p; - g_free(length_name); - break; - } - default: - return NULL; - } - - /* Pass it as content of outer container */ - declaration = ctf_type_declarator_visit(fd, depth, - type_specifier_list, field_name, - node_type_declarator->u.type_declarator.u.nested.type_declarator, - declaration_scope, declaration, trace); - return declaration; - } -} - -static -int ctf_struct_type_declarators_visit(FILE *fd, int depth, - struct declaration_struct *struct_declaration, - struct ctf_node *type_specifier_list, - struct bt_list_head *type_declarators, - struct declaration_scope *declaration_scope, - struct ctf_trace *trace) -{ - struct ctf_node *iter; - GQuark field_name; - - bt_list_for_each_entry(iter, type_declarators, siblings) { - struct bt_declaration *field_declaration; - - field_declaration = ctf_type_declarator_visit(fd, depth, - type_specifier_list, - &field_name, iter, - struct_declaration->scope, - NULL, trace); - if (!field_declaration) { - fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__); - return -EINVAL; - } - - /* Check if field with same name already exists */ - if (bt_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; - } - - bt_struct_declaration_add_field(struct_declaration, - g_quark_to_string(field_name), - field_declaration); - bt_declaration_unref(field_declaration); - } - return 0; -} - -static -int ctf_variant_type_declarators_visit(FILE *fd, int depth, - struct declaration_untagged_variant *untagged_variant_declaration, - struct ctf_node *type_specifier_list, - struct bt_list_head *type_declarators, - struct declaration_scope *declaration_scope, - struct ctf_trace *trace) -{ - struct ctf_node *iter; - GQuark field_name; - - bt_list_for_each_entry(iter, type_declarators, siblings) { - struct bt_declaration *field_declaration; - - field_declaration = ctf_type_declarator_visit(fd, depth, - type_specifier_list, - &field_name, iter, - untagged_variant_declaration->scope, - NULL, trace); - if (!field_declaration) { - fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__); - return -EINVAL; - } - - if (bt_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; - } - - bt_untagged_variant_declaration_add_field(untagged_variant_declaration, - g_quark_to_string(field_name), - field_declaration); - bt_declaration_unref(field_declaration); - } - return 0; -} - -static -int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope, - struct ctf_node *type_specifier_list, - struct bt_list_head *type_declarators, - struct ctf_trace *trace) -{ - struct ctf_node *iter; - GQuark identifier; - - bt_list_for_each_entry(iter, type_declarators, siblings) { - struct bt_declaration *type_declaration; - int ret; - - type_declaration = ctf_type_declarator_visit(fd, depth, - type_specifier_list, - &identifier, iter, - scope, NULL, trace); - if (!type_declaration) { - fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); - return -EINVAL; - } - /* - * Don't allow typedef and typealias of untagged - * variants. - */ - if (type_declaration->id == BT_CTF_TYPE_ID_UNTAGGED_VARIANT) { - fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); - bt_declaration_unref(type_declaration); - return -EPERM; - } - ret = bt_register_declaration(identifier, type_declaration, scope); - if (ret) { - type_declaration->declaration_free(type_declaration); - return ret; - } - bt_declaration_unref(type_declaration); - } - return 0; -} - -static -int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, - struct ctf_node *target, struct ctf_node *alias, - struct ctf_trace *trace) -{ - struct bt_declaration *type_declaration; - struct ctf_node *node; - GQuark dummy_id; - GQuark alias_q; - int err; - - /* See ctf_visitor_type_declarator() in the semantic validator. */ - - /* - * Create target type declaration. - */ - - if (bt_list_empty(&target->u.typealias_target.type_declarators)) - node = NULL; - else - node = _bt_list_first_entry(&target->u.typealias_target.type_declarators, - struct ctf_node, siblings); - type_declaration = ctf_type_declarator_visit(fd, depth, - target->u.typealias_target.type_specifier_list, - &dummy_id, node, - scope, NULL, trace); - if (!type_declaration) { - fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); - err = -EINVAL; - goto error; - } - /* - * Don't allow typedef and typealias of untagged - * variants. - */ - if (type_declaration->id == BT_CTF_TYPE_ID_UNTAGGED_VARIANT) { - fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); - bt_declaration_unref(type_declaration); - return -EPERM; - } - /* - * The semantic validator does not check whether the target is - * abstract or not (if it has an identifier). Check it here. - */ - if (dummy_id != 0) { - fprintf(fd, "[error] %s: expecting empty identifier\n", __func__); - err = -EINVAL; - goto error; - } - /* - * Create alias identifier. - */ - - node = _bt_list_first_entry(&alias->u.typealias_alias.type_declarators, - struct ctf_node, siblings); - alias_q = create_typealias_identifier(fd, depth, - alias->u.typealias_alias.type_specifier_list, node); - err = bt_register_declaration(alias_q, type_declaration, scope); - if (err) - goto error; - bt_declaration_unref(type_declaration); - return 0; - -error: - if (type_declaration) { - type_declaration->declaration_free(type_declaration); - } - return err; -} - -static -int ctf_struct_declaration_list_visit(FILE *fd, int depth, - struct ctf_node *iter, struct declaration_struct *struct_declaration, - struct ctf_trace *trace) -{ - int ret; - - switch (iter->type) { - case NODE_TYPEDEF: - /* For each declarator, declare type and add type to struct bt_declaration scope */ - ret = ctf_typedef_visit(fd, depth, - struct_declaration->scope, - iter->u._typedef.type_specifier_list, - &iter->u._typedef.type_declarators, trace); - if (ret) - return ret; - break; - case NODE_TYPEALIAS: - /* Declare type with declarator and add type to struct bt_declaration scope */ - ret = ctf_typealias_visit(fd, depth, - struct_declaration->scope, - iter->u.typealias.target, - iter->u.typealias.alias, trace); - if (ret) - return ret; - break; - case NODE_STRUCT_OR_VARIANT_DECLARATION: - /* Add field to structure declaration */ - ret = ctf_struct_type_declarators_visit(fd, depth, - struct_declaration, - iter->u.struct_or_variant_declaration.type_specifier_list, - &iter->u.struct_or_variant_declaration.type_declarators, - struct_declaration->scope, trace); - if (ret) - return ret; - break; - default: - fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); - return -EINVAL; - } - return 0; -} - -static -int ctf_variant_declaration_list_visit(FILE *fd, int depth, - struct ctf_node *iter, - struct declaration_untagged_variant *untagged_variant_declaration, - struct ctf_trace *trace) -{ - int ret; - - switch (iter->type) { - case NODE_TYPEDEF: - /* For each declarator, declare type and add type to variant declaration scope */ - ret = ctf_typedef_visit(fd, depth, - untagged_variant_declaration->scope, - iter->u._typedef.type_specifier_list, - &iter->u._typedef.type_declarators, trace); - if (ret) - return ret; - break; - case NODE_TYPEALIAS: - /* Declare type with declarator and add type to variant declaration scope */ - ret = ctf_typealias_visit(fd, depth, - untagged_variant_declaration->scope, - iter->u.typealias.target, - iter->u.typealias.alias, trace); - if (ret) - return ret; - break; - case NODE_STRUCT_OR_VARIANT_DECLARATION: - /* Add field to structure declaration */ - ret = ctf_variant_type_declarators_visit(fd, depth, - untagged_variant_declaration, - iter->u.struct_or_variant_declaration.type_specifier_list, - &iter->u.struct_or_variant_declaration.type_declarators, - untagged_variant_declaration->scope, trace); - if (ret) - return ret; - break; - default: - fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); - return -EINVAL; - } - return 0; -} - -static -struct bt_declaration *ctf_declaration_struct_visit(FILE *fd, - int depth, const char *name, struct bt_list_head *declaration_list, - int has_body, struct bt_list_head *min_align, - struct declaration_scope *declaration_scope, - struct ctf_trace *trace) -{ - struct declaration_struct *struct_declaration; - struct ctf_node *iter; - - /* - * For named struct (without body), lookup in - * declaration scope. Don't take reference on struct - * declaration: ref is only taken upon definition. - */ - if (!has_body) { - if (!name) - return NULL; - struct_declaration = - bt_lookup_struct_declaration(g_quark_from_string(name), - declaration_scope); - bt_declaration_ref(&struct_declaration->p); - 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) { - if (bt_lookup_struct_declaration(g_quark_from_string(name), - declaration_scope)) { - fprintf(fd, "[error] %s: struct %s already declared in scope\n", __func__, name); - return NULL; - } - } - if (!bt_list_empty(min_align)) { - int ret; - - ret = get_unary_unsigned(min_align, &min_align_value); - if (ret) { - fprintf(fd, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__); - goto error; - } - } - struct_declaration = bt_struct_declaration_new(declaration_scope, - min_align_value); - bt_list_for_each_entry(iter, declaration_list, siblings) { - int ret; - - ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, - struct_declaration, trace); - if (ret) - goto error_free_declaration; - } - if (name) { - int ret; - - ret = bt_register_struct_declaration(g_quark_from_string(name), - struct_declaration, - declaration_scope); - if (ret) - return NULL; - } - return &struct_declaration->p; - } -error_free_declaration: - struct_declaration->p.declaration_free(&struct_declaration->p); -error: - return NULL; -} - -static -struct bt_declaration *ctf_declaration_variant_visit(FILE *fd, - int depth, const char *name, const char *choice, - struct bt_list_head *declaration_list, - int has_body, struct declaration_scope *declaration_scope, - struct ctf_trace *trace) -{ - struct declaration_untagged_variant *untagged_variant_declaration; - struct declaration_variant *variant_declaration; - struct ctf_node *iter; - - /* - * For named variant (without body), lookup in - * declaration scope. Don't take reference on variant - * declaration: ref is only taken upon definition. - */ - if (!has_body) { - if (!name) - return NULL; - untagged_variant_declaration = - bt_lookup_variant_declaration(g_quark_from_string(name), - declaration_scope); - bt_declaration_ref(&untagged_variant_declaration->p); - } else { - /* For unnamed variant, create type */ - /* For named variant (with body), create type and add to declaration scope */ - if (name) { - if (bt_lookup_variant_declaration(g_quark_from_string(name), - declaration_scope)) { - fprintf(fd, "[error] %s: variant %s already declared in scope\n", __func__, name); - return NULL; - } - } - untagged_variant_declaration = bt_untagged_bt_variant_declaration_new(declaration_scope); - bt_list_for_each_entry(iter, declaration_list, siblings) { - int ret; - - ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, - untagged_variant_declaration, trace); - if (ret) - goto error; - } - if (name) { - int ret; - - ret = bt_register_variant_declaration(g_quark_from_string(name), - untagged_variant_declaration, - declaration_scope); - if (ret) - return NULL; - } - } - /* - * if tagged, create tagged variant and return. else return - * untagged variant. - */ - if (!choice) { - return &untagged_variant_declaration->p; - } else { - variant_declaration = bt_variant_declaration_new(untagged_variant_declaration, choice); - if (!variant_declaration) - goto error; - bt_declaration_unref(&untagged_variant_declaration->p); - return &variant_declaration->p; - } -error: - untagged_variant_declaration->p.declaration_free(&untagged_variant_declaration->p); - return NULL; -} - -static -int ctf_enumerator_list_visit(FILE *fd, int depth, - struct ctf_node *enumerator, - struct declaration_enum *enum_declaration, - struct last_enum_value *last) -{ - GQuark q; - struct ctf_node *iter; - - q = g_quark_from_string(enumerator->u.enumerator.id); - if (enum_declaration->integer_declaration->signedness) { - int64_t start = 0, end = 0; - int nr_vals = 0; - - bt_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { - int64_t *target; - - if (iter->type != NODE_UNARY_EXPRESSION) - return -EINVAL; - if (nr_vals == 0) - target = &start; - else - target = &end; - - switch (iter->u.unary_expression.type) { - case UNARY_SIGNED_CONSTANT: - *target = iter->u.unary_expression.u.signed_constant; - break; - case UNARY_UNSIGNED_CONSTANT: - *target = iter->u.unary_expression.u.unsigned_constant; - break; - default: - fprintf(fd, "[error] %s: invalid enumerator\n", __func__); - return -EINVAL; - } - if (nr_vals > 1) { - fprintf(fd, "[error] %s: invalid enumerator\n", __func__); - return -EINVAL; - } - nr_vals++; - } - if (nr_vals == 0) - start = last->u.s; - if (nr_vals <= 1) - end = start; - last->u.s = end + 1; - bt_enum_signed_insert(enum_declaration, start, end, q); - } else { - uint64_t start = 0, end = 0; - int nr_vals = 0; - - bt_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { - uint64_t *target; - - if (iter->type != NODE_UNARY_EXPRESSION) - return -EINVAL; - if (nr_vals == 0) - target = &start; - else - target = &end; - - switch (iter->u.unary_expression.type) { - case UNARY_UNSIGNED_CONSTANT: - *target = iter->u.unary_expression.u.unsigned_constant; - break; - case UNARY_SIGNED_CONSTANT: - /* - * We don't accept signed constants for enums with unsigned - * container type. - */ - fprintf(fd, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__); - return -EINVAL; - default: - fprintf(fd, "[error] %s: invalid enumerator\n", __func__); - return -EINVAL; - } - if (nr_vals > 1) { - fprintf(fd, "[error] %s: invalid enumerator\n", __func__); - return -EINVAL; - } - nr_vals++; - } - if (nr_vals == 0) - start = last->u.u; - if (nr_vals <= 1) - end = start; - last->u.u = end + 1; - bt_enum_unsigned_insert(enum_declaration, start, end, q); - } - return 0; -} - -static -struct bt_declaration *ctf_declaration_enum_visit(FILE *fd, int depth, - const char *name, - struct ctf_node *container_type, - struct bt_list_head *enumerator_list, - int has_body, - struct declaration_scope *declaration_scope, - struct ctf_trace *trace) -{ - struct bt_declaration *declaration; - struct declaration_enum *enum_declaration; - struct declaration_integer *integer_declaration; - struct last_enum_value last_value; - struct ctf_node *iter; - GQuark dummy_id; - - /* - * For named enum (without body), lookup in - * declaration scope. Don't take reference on enum - * declaration: ref is only taken upon definition. - */ - if (!has_body) { - if (!name) - return NULL; - enum_declaration = - bt_lookup_enum_declaration(g_quark_from_string(name), - declaration_scope); - bt_declaration_ref(&enum_declaration->p); - return &enum_declaration->p; - } else { - /* For unnamed enum, create type */ - /* For named enum (with body), create type and add to declaration scope */ - if (name) { - if (bt_lookup_enum_declaration(g_quark_from_string(name), - declaration_scope)) { - fprintf(fd, "[error] %s: enum %s already declared in scope\n", __func__, name); - return NULL; - } - } - if (!container_type) { - declaration = bt_lookup_declaration(g_quark_from_string("int"), - declaration_scope); - if (!declaration) { - fprintf(fd, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__); - return NULL; - } - } else { - declaration = ctf_type_declarator_visit(fd, depth, - container_type, - &dummy_id, NULL, - declaration_scope, - NULL, trace); - } - if (!declaration) { - fprintf(fd, "[error] %s: unable to create container type for enumeration\n", __func__); - return NULL; - } - if (declaration->id != BT_CTF_TYPE_ID_INTEGER) { - fprintf(fd, "[error] %s: container type for enumeration is not integer\n", __func__); - return NULL; - } - integer_declaration = container_of(declaration, struct declaration_integer, p); - enum_declaration = bt_enum_declaration_new(integer_declaration); - bt_declaration_unref(&integer_declaration->p); /* leave ref to enum */ - if (enum_declaration->integer_declaration->signedness) { - last_value.u.s = 0; - } else { - last_value.u.u = 0; - } - bt_list_for_each_entry(iter, enumerator_list, siblings) { - int ret; - - ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration, - &last_value); - if (ret) - goto error; - } - if (name) { - int ret; - - ret = bt_register_enum_declaration(g_quark_from_string(name), - enum_declaration, - declaration_scope); - if (ret) - return NULL; - bt_declaration_unref(&enum_declaration->p); - } - return &enum_declaration->p; - } -error: - enum_declaration->p.declaration_free(&enum_declaration->p); - return NULL; -} - -static -struct bt_declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth, - struct ctf_node *type_specifier_list, - struct declaration_scope *declaration_scope) -{ - GString *str; - struct bt_declaration *declaration; - char *str_c; - int ret; - GQuark id_q; - - str = g_string_new(""); - ret = visit_type_specifier_list(fd, type_specifier_list, str); - if (ret) { - (void) g_string_free(str, TRUE); - return NULL; - } - str_c = g_string_free(str, FALSE); - id_q = g_quark_from_string(str_c); - g_free(str_c); - declaration = bt_lookup_declaration(id_q, declaration_scope); - if (!declaration) - return NULL; - bt_declaration_ref(declaration); - return declaration; -} - -/* - * Returns 0/1 boolean, or < 0 on error. - */ -static -int get_boolean(FILE *fd, int depth, struct ctf_node *unary_expression) -{ - if (unary_expression->type != NODE_UNARY_EXPRESSION) { - fprintf(fd, "[error] %s: expecting unary expression\n", - __func__); - return -EINVAL; - } - switch (unary_expression->u.unary_expression.type) { - case UNARY_UNSIGNED_CONSTANT: - if (unary_expression->u.unary_expression.u.unsigned_constant == 0) - return 0; - else - return 1; - case UNARY_SIGNED_CONSTANT: - if (unary_expression->u.unary_expression.u.signed_constant == 0) - return 0; - else - return 1; - case UNARY_STRING: - if (!strcmp(unary_expression->u.unary_expression.u.string, "true")) - return 1; - else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE")) - return 1; - else if (!strcmp(unary_expression->u.unary_expression.u.string, "false")) - return 0; - else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE")) - return 0; - else { - fprintf(fd, "[error] %s: unexpected string \"%s\"\n", - __func__, unary_expression->u.unary_expression.u.string); - return -EINVAL; - } - break; - default: - fprintf(fd, "[error] %s: unexpected unary expression type\n", - __func__); - return -EINVAL; - } - -} - -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 \"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) -{ - 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, "native")) - byte_order = trace->byte_order; - else if (!strcmp(unary_expression->u.unary_expression.u.string, "network")) - byte_order = BIG_ENDIAN; - else 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 -struct bt_declaration *ctf_declaration_integer_visit(FILE *fd, int depth, - struct bt_list_head *expressions, - struct ctf_trace *trace) -{ - struct ctf_node *expression; - 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; - - bt_list_for_each_entry(expression, expressions, siblings) { - struct ctf_node *left, *right; - - left = _bt_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); - right = _bt_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); - if (left->u.unary_expression.type != UNARY_STRING) - return NULL; - if (!strcmp(left->u.unary_expression.u.string, "signed")) { - signedness = get_boolean(fd, depth, right); - if (signedness < 0) - return NULL; - } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { - byte_order = get_byte_order(fd, depth, right, trace); - if (byte_order < 0) - return NULL; - } else if (!strcmp(left->u.unary_expression.u.string, "size")) { - if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { - fprintf(fd, "[error] %s: size: expecting unsigned constant\n", - __func__); - return NULL; - } - size = right->u.unary_expression.u.unsigned_constant; - if (!size) { - fprintf(fd, "[error] %s: integer size: expecting non-zero constant\n", - __func__); - return NULL; - } - has_size = 1; - } else if (!strcmp(left->u.unary_expression.u.string, "align")) { - if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { - fprintf(fd, "[error] %s: align: expecting unsigned constant\n", - __func__); - 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, "[warning] %s: unknown attribute name %s\n", - __func__, left->u.unary_expression.u.string); - /* Fall-through after warning */ - } - } - if (!has_size) { - fprintf(fd, "[error] %s: missing size attribute\n", __func__); - return NULL; - } - if (!has_alignment) { - if (size % CHAR_BIT) { - /* bit-packed alignment */ - alignment = 1; - } else { - /* byte-packed alignment */ - alignment = CHAR_BIT; - } - } - integer_declaration = bt_integer_declaration_new(size, - byte_order, signedness, alignment, - base, encoding, clock); - return &integer_declaration->p; -} - -static -struct bt_declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, - struct bt_list_head *expressions, - struct ctf_trace *trace) -{ - struct ctf_node *expression; - uint64_t alignment = 1, exp_dig = 0, mant_dig = 0; - int byte_order = trace->byte_order, has_alignment = 0, - has_exp_dig = 0, has_mant_dig = 0; - struct declaration_float *float_declaration; - - bt_list_for_each_entry(expression, expressions, siblings) { - struct ctf_node *left, *right; - - left = _bt_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); - right = _bt_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); - if (left->u.unary_expression.type != UNARY_STRING) - return NULL; - if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { - byte_order = get_byte_order(fd, depth, right, trace); - if (byte_order < 0) - return NULL; - } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) { - if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { - fprintf(fd, "[error] %s: exp_dig: expecting unsigned constant\n", - __func__); - return NULL; - } - exp_dig = right->u.unary_expression.u.unsigned_constant; - has_exp_dig = 1; - } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) { - if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { - fprintf(fd, "[error] %s: mant_dig: expecting unsigned constant\n", - __func__); - return NULL; - } - mant_dig = right->u.unary_expression.u.unsigned_constant; - has_mant_dig = 1; - } else if (!strcmp(left->u.unary_expression.u.string, "align")) { - if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { - fprintf(fd, "[error] %s: align: expecting unsigned constant\n", - __func__); - 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, "[warning] %s: unknown attribute name %s\n", - __func__, left->u.unary_expression.u.string); - /* Fall-through after warning */ - } - } - if (!has_mant_dig) { - fprintf(fd, "[error] %s: missing mant_dig attribute\n", __func__); - return NULL; - } - if (!has_exp_dig) { - fprintf(fd, "[error] %s: missing exp_dig attribute\n", __func__); - return NULL; - } - if (!has_alignment) { - if ((mant_dig + exp_dig) % CHAR_BIT) { - /* bit-packed alignment */ - alignment = 1; - } else { - /* byte-packed alignment */ - alignment = CHAR_BIT; - } - } - float_declaration = bt_float_declaration_new(mant_dig, exp_dig, - byte_order, alignment); - return &float_declaration->p; -} - -static -struct bt_declaration *ctf_declaration_string_visit(FILE *fd, int depth, - struct bt_list_head *expressions, - struct ctf_trace *trace) -{ - struct ctf_node *expression; - const char *encoding_c = NULL; - enum ctf_string_encoding encoding = CTF_STRING_UTF8; - struct declaration_string *string_declaration; - - bt_list_for_each_entry(expression, expressions, siblings) { - struct ctf_node *left, *right; - - left = _bt_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); - right = _bt_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); - if (left->u.unary_expression.type != UNARY_STRING) - return NULL; - if (!strcmp(left->u.unary_expression.u.string, "encoding")) { - if (right->u.unary_expression.type != UNARY_STRING) { - fprintf(fd, "[error] %s: encoding: expecting string\n", - __func__); - return NULL; - } - encoding_c = right->u.unary_expression.u.string; - } else { - fprintf(fd, "[warning] %s: unknown attribute name %s\n", - __func__, left->u.unary_expression.u.string); - /* Fall-through after warning */ - } - } - if (encoding_c && !strcmp(encoding_c, "ASCII")) - encoding = CTF_STRING_ASCII; - string_declaration = bt_string_declaration_new(encoding); - return &string_declaration->p; -} - - -static -struct bt_declaration *ctf_type_specifier_list_visit(FILE *fd, - int depth, struct ctf_node *type_specifier_list, - struct declaration_scope *declaration_scope, - struct ctf_trace *trace) -{ - struct ctf_node *first; - struct ctf_node *node; - - if (type_specifier_list->type != NODE_TYPE_SPECIFIER_LIST) - return NULL; - - first = _bt_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); - - if (first->type != NODE_TYPE_SPECIFIER) - return NULL; - - node = first->u.type_specifier.node; - - switch (first->u.type_specifier.type) { - case TYPESPEC_FLOATING_POINT: - return ctf_declaration_floating_point_visit(fd, depth, - &node->u.floating_point.expressions, trace); - case TYPESPEC_INTEGER: - return ctf_declaration_integer_visit(fd, depth, - &node->u.integer.expressions, trace); - case TYPESPEC_STRING: - return ctf_declaration_string_visit(fd, depth, - &node->u.string.expressions, trace); - case TYPESPEC_STRUCT: - return ctf_declaration_struct_visit(fd, depth, - 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: - return ctf_declaration_variant_visit(fd, depth, - node->u.variant.name, - node->u.variant.choice, - &node->u.variant.declaration_list, - node->u.variant.has_body, - declaration_scope, - trace); - case TYPESPEC_ENUM: - return ctf_declaration_enum_visit(fd, depth, - node->u._enum.enum_id, - node->u._enum.container_type, - &node->u._enum.enumerator_list, - node->u._enum.has_body, - declaration_scope, - trace); - - case TYPESPEC_VOID: - case TYPESPEC_CHAR: - case TYPESPEC_SHORT: - case TYPESPEC_INT: - case TYPESPEC_LONG: - case TYPESPEC_FLOAT: - case TYPESPEC_DOUBLE: - case TYPESPEC_SIGNED: - case TYPESPEC_UNSIGNED: - case TYPESPEC_BOOL: - case TYPESPEC_COMPLEX: - case TYPESPEC_IMAGINARY: - case TYPESPEC_CONST: - case TYPESPEC_ID_TYPE: - return ctf_declaration_type_specifier_visit(fd, depth, - type_specifier_list, declaration_scope); - default: - fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) first->u.type_specifier.type); - return NULL; - } -} - -static -int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event_declaration *event, struct ctf_trace *trace) -{ - int ret = 0; - - switch (node->type) { - case NODE_TYPEDEF: - ret = ctf_typedef_visit(fd, depth + 1, - event->declaration_scope, - node->u._typedef.type_specifier_list, - &node->u._typedef.type_declarators, - trace); - if (ret) - return ret; - break; - case NODE_TYPEALIAS: - ret = ctf_typealias_visit(fd, depth + 1, - event->declaration_scope, - node->u.typealias.target, node->u.typealias.alias, - trace); - if (ret) - return ret; - break; - case NODE_CTF_EXPRESSION: - { - char *left; - - left = concatenate_unary_strings(&node->u.ctf_expression.left); - if (!left) - return -EINVAL; - if (!strcmp(left, "name")) { - char *right; - - if (CTF_EVENT_FIELD_IS_SET(event, name)) { - fprintf(fd, "[error] %s: name already declared in event 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 event name\n", __func__); - ret = -EINVAL; - goto error; - } - event->name = g_quark_from_string(right); - g_free(right); - CTF_EVENT_SET_FIELD(event, name); - } 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__); - 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__); - 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__); - 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__); - 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); - ret = -EINVAL; - goto error; - } - CTF_EVENT_SET_FIELD(event, stream_id); - } else if (!strcmp(left, "context")) { - struct bt_declaration *declaration; - - if (event->context_decl) { - fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__); - ret = -EINVAL; - goto error; - } - declaration = ctf_type_specifier_list_visit(fd, depth, - _bt_list_first_entry(&node->u.ctf_expression.right, - struct ctf_node, siblings), - event->declaration_scope, trace); - if (!declaration) { - ret = -EPERM; - goto error; - } - if (declaration->id != BT_CTF_TYPE_ID_STRUCT) { - ret = -EPERM; - goto error; - } - event->context_decl = container_of(declaration, struct declaration_struct, p); - } else if (!strcmp(left, "fields")) { - struct bt_declaration *declaration; - - if (event->fields_decl) { - fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__); - ret = -EINVAL; - goto error; - } - declaration = ctf_type_specifier_list_visit(fd, depth, - _bt_list_first_entry(&node->u.ctf_expression.right, - struct ctf_node, siblings), - event->declaration_scope, trace); - if (!declaration) { - ret = -EPERM; - goto error; - } - if (declaration->id != BT_CTF_TYPE_ID_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 if (!strcmp(left, "model.emf.uri")) { - char *right; - - if (CTF_EVENT_FIELD_IS_SET(event, model_emf_uri)) { - fprintf(fd, "[error] %s: model.emf.uri already declared in event 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 event model.emf.uri\n", __func__); - ret = -EINVAL; - goto error; - } - event->model_emf_uri = g_quark_from_string(right); - g_free(right); - CTF_EVENT_SET_FIELD(event, model_emf_uri); - } else { - fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left); - /* Fall-through after warning */ - } -error: - g_free(left); - break; - } - default: - return -EPERM; - /* TODO: declaration specifier should be added. */ - } - - return ret; -} - -static -int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, - struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) -{ - int ret = 0; - struct ctf_node *iter; - struct ctf_event_declaration *event; - struct bt_ctf_event_decl *event_decl; - - if (node->visited) - return 0; - node->visited = 1; - - event_decl = g_new0(struct bt_ctf_event_decl, 1); - event = &event_decl->parent; - event->declaration_scope = bt_new_declaration_scope(parent_declaration_scope); - event->loglevel = -1; - bt_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { - ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); - if (ret) - goto error; - } - if (!CTF_EVENT_FIELD_IS_SET(event, name)) { - ret = -EPERM; - fprintf(fd, "[error] %s: missing name 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 id field in event declaration\n", __func__); - goto error; - } - /* Disallow re-using the same event ID in the same stream */ - if (stream_event_lookup(event->stream, event->id)) { - ret = -EPERM; - fprintf(fd, "[error] %s: event ID %" PRIu64 " used more than once in stream %" PRIu64 "\n", - __func__, event->id, event->stream_id); - 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, - GUINT_TO_POINTER(event->name), - &event->id); - g_ptr_array_add(trace->event_declarations, event_decl); - return 0; - -error: - if (event->fields_decl) - bt_declaration_unref(&event->fields_decl->p); - if (event->context_decl) - bt_declaration_unref(&event->context_decl->p); - bt_free_declaration_scope(event->declaration_scope); - g_free(event_decl); - return ret; -} - - -static -int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_declaration *stream, struct ctf_trace *trace) -{ - int ret = 0; - - switch (node->type) { - case NODE_TYPEDEF: - ret = ctf_typedef_visit(fd, depth + 1, - stream->declaration_scope, - node->u._typedef.type_specifier_list, - &node->u._typedef.type_declarators, - trace); - if (ret) - return ret; - break; - case NODE_TYPEALIAS: - ret = ctf_typealias_visit(fd, depth + 1, - stream->declaration_scope, - node->u.typealias.target, node->u.typealias.alias, - trace); - if (ret) - return ret; - break; - case NODE_CTF_EXPRESSION: - { - char *left; - - left = concatenate_unary_strings(&node->u.ctf_expression.left); - if (!left) - return -EINVAL; - 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__); - 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__); - ret = -EINVAL; - goto error; - } - CTF_STREAM_SET_FIELD(stream, stream_id); - } else if (!strcmp(left, "event.header")) { - struct bt_declaration *declaration; - - if (stream->event_header_decl) { - fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__); - ret = -EINVAL; - goto error; - } - declaration = ctf_type_specifier_list_visit(fd, depth, - _bt_list_first_entry(&node->u.ctf_expression.right, - struct ctf_node, siblings), - stream->declaration_scope, trace); - if (!declaration) { - ret = -EPERM; - goto error; - } - if (declaration->id != BT_CTF_TYPE_ID_STRUCT) { - ret = -EPERM; - goto error; - } - stream->event_header_decl = container_of(declaration, struct declaration_struct, p); - } else if (!strcmp(left, "event.context")) { - struct bt_declaration *declaration; - - if (stream->event_context_decl) { - fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__); - ret = -EINVAL; - goto error; - } - declaration = ctf_type_specifier_list_visit(fd, depth, - _bt_list_first_entry(&node->u.ctf_expression.right, - struct ctf_node, siblings), - stream->declaration_scope, trace); - if (!declaration) { - ret = -EPERM; - goto error; - } - if (declaration->id != BT_CTF_TYPE_ID_STRUCT) { - ret = -EPERM; - goto error; - } - stream->event_context_decl = container_of(declaration, struct declaration_struct, p); - } else if (!strcmp(left, "packet.context")) { - struct bt_declaration *declaration; - - if (stream->packet_context_decl) { - fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__); - ret = -EINVAL; - goto error; - } - declaration = ctf_type_specifier_list_visit(fd, depth, - _bt_list_first_entry(&node->u.ctf_expression.right, - struct ctf_node, siblings), - stream->declaration_scope, trace); - if (!declaration) { - ret = -EPERM; - goto error; - } - if (declaration->id != BT_CTF_TYPE_ID_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; - } - default: - return -EPERM; - /* TODO: declaration specifier should be added. */ - } - - return ret; -} - -static -int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, - struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) -{ - int ret = 0; - struct ctf_node *iter; - struct ctf_stream_declaration *stream; - - if (node) { - if (node->visited) - return 0; - node->visited = 1; - } - - stream = g_new0(struct ctf_stream_declaration, 1); - stream->declaration_scope = bt_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); - stream->streams = g_ptr_array_new(); - if (node) { - bt_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)) { - /* check that packet header has stream_id field. */ - if (!trace->packet_header_decl - || bt_struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_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; - stream->trace = trace; - - return 0; - -error: - if (stream->event_header_decl) - bt_declaration_unref(&stream->event_header_decl->p); - if (stream->event_context_decl) - bt_declaration_unref(&stream->event_context_decl->p); - if (stream->packet_context_decl) - bt_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); - bt_free_declaration_scope(stream->declaration_scope); - g_free(stream); - return ret; -} - -static -int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) -{ - int ret = 0; - - switch (node->type) { - case NODE_TYPEDEF: - ret = ctf_typedef_visit(fd, depth + 1, - trace->declaration_scope, - node->u._typedef.type_specifier_list, - &node->u._typedef.type_declarators, - trace); - if (ret) - return ret; - break; - case NODE_TYPEALIAS: - ret = ctf_typealias_visit(fd, depth + 1, - trace->declaration_scope, - node->u.typealias.target, node->u.typealias.alias, - trace); - if (ret) - return ret; - break; - case NODE_CTF_EXPRESSION: - { - char *left; - - left = concatenate_unary_strings(&node->u.ctf_expression.left); - if (!left) - return -EINVAL; - if (!strcmp(left, "major")) { - if (CTF_TRACE_FIELD_IS_SET(trace, major)) { - fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__); - 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__); - 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__); - 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__); - ret = -EINVAL; - goto error; - } - CTF_TRACE_SET_FIELD(trace, minor); - } else if (!strcmp(left, "uuid")) { - unsigned char uuid[BABELTRACE_UUID_LEN]; - - ret = get_unary_uuid(&node->u.ctf_expression.right, uuid); - if (ret) { - fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__); - ret = -EINVAL; - goto error; - } - if (CTF_TRACE_FIELD_IS_SET(trace, uuid) - && bt_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 = _bt_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) { - ret = -EINVAL; - goto error; - } - - 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 bt_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, - _bt_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 != BT_CTF_TYPE_ID_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; - } - default: - return -EPERM; - /* TODO: declaration specifier should be added. */ - } - - return ret; -} - -static -int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) -{ - int ret = 0; - struct ctf_node *iter; - - if (!trace->restart_root_decl && node->visited) - return 0; - node->visited = 1; - - if (trace->declaration_scope) - return -EEXIST; - - trace->declaration_scope = bt_new_declaration_scope(trace->root_declaration_scope); - trace->streams = g_ptr_array_new(); - trace->event_declarations = g_ptr_array_new(); - bt_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { - ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); - if (ret) - goto error; - } - if (!CTF_TRACE_FIELD_IS_SET(trace, major)) { - ret = -EPERM; - fprintf(fd, "[error] %s: missing major field in trace declaration\n", __func__); - goto error; - } - if (!CTF_TRACE_FIELD_IS_SET(trace, minor)) { - ret = -EPERM; - fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__); - goto error; - } - if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { - ret = -EPERM; - 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 - || bt_struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_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) { - bt_declaration_unref(&trace->packet_header_decl->p); - trace->packet_header_decl = NULL; - } - g_ptr_array_free(trace->streams, TRUE); - g_ptr_array_free(trace->event_declarations, TRUE); - bt_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 (!left) - return -EINVAL; - 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_CLOCK_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 (CTF_CLOCK_FIELD_IS_SET(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; - } - CTF_CLOCK_SET_FIELD(clock, freq); - } 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_signed(&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_signed(&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 = _bt_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; - ret = 0; - } 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; - - if (node->visited) - return 0; - node->visited = 1; - - clock = g_new0(struct ctf_clock, 1); - /* Default clock frequency is set to 1000000000 */ - clock->freq = 1000000000ULL; - bt_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 (opt_clock_force_correlate) { - /* - * User requested to forcibly correlate the clock - * sources, even if we have no correlation - * information. - */ - if (!clock->absolute) { - fprintf(fd, "[warning] Forcibly correlating trace clock sources (--clock-force-correlate).\n"); - } - clock->absolute = 1; - } - if (!CTF_CLOCK_FIELD_IS_SET(clock, name)) { - ret = -EPERM; - fprintf(fd, "[error] %s: missing name field in clock declaration\n", __func__); - goto error; - } - if (g_hash_table_size(trace->parent.clocks) > 0) { - fprintf(fd, "[error] Only CTF traces with a single clock description are supported by this babeltrace version.\n"); - ret = -EINVAL; - goto error; - } - trace->parent.single_clock = clock; - g_hash_table_insert(trace->parent.clocks, GUINT_TO_POINTER(clock->name), clock); - return 0; - -error: - g_free(clock->description); - g_free(clock); - return ret; -} - -static -void ctf_clock_default(FILE *fd, int depth, struct ctf_trace *trace) -{ - struct ctf_clock *clock; - - clock = g_new0(struct ctf_clock, 1); - clock->name = g_quark_from_string("monotonic"); - clock->uuid = 0; - clock->description = g_strdup("Default clock"); - /* Default clock frequency is set to 1000000000 */ - clock->freq = 1000000000ULL; - if (opt_clock_force_correlate) { - /* - * User requested to forcibly correlate the clock - * sources, even if we have no correlatation - * information. - */ - if (!clock->absolute) { - fprintf(fd, "[warning] Forcibly correlating trace clock sources (--clock-force-correlate).\n"); - } - clock->absolute = 1; - } else { - clock->absolute = 0; /* Not an absolute reference across traces */ - } - - trace->parent.single_clock = clock; - g_hash_table_insert(trace->parent.clocks, GUINT_TO_POINTER(clock->name), clock); -} - -static -void clock_free(gpointer data) -{ - struct ctf_clock *clock = data; - - g_free(clock->description); - 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 (!left) - return -EINVAL; - 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; - - if (node->visited) - return 0; - node->visited = 1; - - 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, - GUINT_TO_POINTER(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, - GUINT_TO_POINTER(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); - } - g_free(cs_dups); -} - -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 (!left) - return -EINVAL; - 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); - g_free(right); - } else if (!strcmp(left, "hostname")) { - char *right; - - if (env->hostname[0]) { - fprintf(fd, "[warning] %s: duplicated env hostname\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 hostname\n", __func__); - goto error; /* ret is 0, so not an actual error, just warn. */ - } - 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; - - 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); - g_free(right); - } else if (!strcmp(left, "tracer_name")) { - char *right; - - if (env->tracer_name[0]) { - fprintf(fd, "[warning] %s: duplicated env tracer_name\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 tracer_name\n", __func__); - goto error; /* ret is 0, so not an actual error, just warn. */ - } - strncpy(env->tracer_name, right, TRACER_ENV_LEN); - env->tracer_name[TRACER_ENV_LEN - 1] = '\0'; - printf_verbose("env.tracer_name = \"%s\"\n", env->tracer_name); - g_free(right); - } 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); - g_free(right); - } else if (!strcmp(left, "kernel_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); - g_free(right); - } else if (!strcmp(left, "kernel_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); - g_free(right); - } else { - if (is_unary_string(&node->u.ctf_expression.right)) { - char *right; - - right = concatenate_unary_strings(&node->u.ctf_expression.right); - if (!right) { - fprintf(fd, "[warning] %s: unexpected unary expression for env\n", __func__); - ret = -EINVAL; - goto error; - } - 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; - - ret = get_unary_unsigned(&node->u.ctf_expression.right, &v); - if (ret) - goto error; - printf_verbose("env.%s = %" PRIu64 "\n", left, v); - } else if (is_unary_signed(&node->u.ctf_expression.right)) { - int64_t v; - int ret; - - ret = get_unary_signed(&node->u.ctf_expression.right, &v); - if (ret) - goto error; - printf_verbose("env.%s = %" PRId64 "\n", left, v); - } else { - printf_verbose("%s: attribute \"%s\" has unknown type.\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; - - if (node->visited) - return 0; - node->visited = 1; - - trace->env.vpid = -1; - trace->env.procname[0] = '\0'; - trace->env.hostname[0] = '\0'; - trace->env.domain[0] = '\0'; - trace->env.sysname[0] = '\0'; - trace->env.release[0] = '\0'; - trace->env.version[0] = '\0'; - bt_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) -{ - int ret = 0; - - if (!trace->restart_root_decl && node->visited) - return 0; - node->visited = 1; - - switch (node->type) { - case NODE_TYPEDEF: - ret = ctf_typedef_visit(fd, depth + 1, - trace->root_declaration_scope, - node->u._typedef.type_specifier_list, - &node->u._typedef.type_declarators, - trace); - if (ret) - return ret; - break; - case NODE_TYPEALIAS: - ret = ctf_typealias_visit(fd, depth + 1, - trace->root_declaration_scope, - node->u.typealias.target, node->u.typealias.alias, - trace); - if (ret) - return ret; - break; - case NODE_TYPE_SPECIFIER_LIST: - { - struct bt_declaration *declaration; - - /* - * Just add the type specifier to the root scope - * declaration scope. Release local reference. - */ - declaration = ctf_type_specifier_list_visit(fd, depth + 1, - node, trace->root_declaration_scope, trace); - if (!declaration) - return -ENOMEM; - bt_declaration_unref(declaration); - break; - } - default: - return -EPERM; - } - - return 0; -} - -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; - - printf_verbose("CTF visitor: metadata construction...\n"); - trace->byte_order = byte_order; - trace->parent.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 = bt_new_declaration_scope(NULL); - - switch (node->type) { - case NODE_ROOT: - /* - * declarations need to query clock hash table, - * so clock need to be treated first. - */ - if (bt_list_empty(&node->u.root.clock)) { - ctf_clock_default(fd, depth + 1, trace); - } else { - bt_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; - } - } - } - bt_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__); - goto error; - } - } - bt_list_for_each_entry(iter, &node->u.root.trace, siblings) { - ret = ctf_trace_visit(fd, depth + 1, iter, trace); - if (ret == -EINTR) { - trace->restart_root_decl = 1; - bt_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; - } - } - trace->restart_root_decl = 0; - 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; - goto error; - } - bt_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; - } - } - bt_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__); - goto error; - } - } - bt_list_for_each_entry(iter, &node->u.root.event, siblings) { - ret = ctf_event_visit(fd, depth + 1, iter, - trace->root_declaration_scope, trace); - if (ret) { - fprintf(fd, "[error] %s: event declaration error\n", __func__); - goto error; - } - } - break; - case NODE_UNKNOWN: - default: - fprintf(fd, "[error] %s: unknown node type %d\n", __func__, - (int) node->type); - ret = -EINVAL; - goto error; - } - printf_verbose("done.\n"); - return ret; - -error: - bt_free_declaration_scope(trace->root_declaration_scope); - g_hash_table_destroy(trace->callsites); - g_hash_table_destroy(trace->parent.clocks); - return ret; -} - -int ctf_destroy_metadata(struct ctf_trace *trace) -{ - int i; - struct ctf_file_stream *metadata_stream; - - if (trace->streams) { - for (i = 0; i < trace->streams->len; i++) { - struct ctf_stream_declaration *stream; - int j; - - 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; - int k; - - 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) - bt_definition_unref(&event->event_fields->p); - if (&event->event_context->p) - bt_definition_unref(&event->event_context->p); - g_free(event); - } - if (&stream_def->trace_packet_header->p) - bt_definition_unref(&stream_def->trace_packet_header->p); - if (&stream_def->stream_event_header->p) - bt_definition_unref(&stream_def->stream_event_header->p); - if (&stream_def->stream_packet_context->p) - bt_definition_unref(&stream_def->stream_packet_context->p); - if (&stream_def->stream_event_context->p) - bt_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) - bt_declaration_unref(&stream->event_header_decl->p); - if (stream->event_context_decl) - bt_declaration_unref(&stream->event_context_decl->p); - if (stream->packet_context_decl) - bt_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); - bt_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) - bt_declaration_unref(&event->fields_decl->p); - if (event->context_decl) - bt_declaration_unref(&event->context_decl->p); - bt_free_declaration_scope(event->declaration_scope); - - g_free(event); - } - g_ptr_array_free(trace->event_declarations, TRUE); - } - if (trace->packet_header_decl) - bt_declaration_unref(&trace->packet_header_decl->p); - - bt_free_declaration_scope(trace->root_declaration_scope); - bt_free_declaration_scope(trace->declaration_scope); - - g_hash_table_destroy(trace->callsites); - g_hash_table_destroy(trace->parent.clocks); - - metadata_stream = container_of(trace->metadata, struct ctf_file_stream, parent); - g_free(metadata_stream); - - return 0; -}