+++ /dev/null
-/*
- * ctf-visitor-generate-io-struct.c
- *
- * Common Trace Format Metadata Visitor (generate I/O structures).
- *
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * 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 <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <glib.h>
-#include <inttypes.h>
-#include <errno.h>
-#include <babeltrace/babeltrace-internal.h>
-#include <babeltrace/list.h>
-#include <babeltrace/types.h>
-#include <babeltrace/ctf/metadata.h>
-#include <babeltrace/compat/uuid.h>
-#include <babeltrace/endian.h>
-#include <babeltrace/ctf/events-internal.h>
-#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;
-}
projects / babeltrace.git / blobdiff