Move to kernel style SPDX license identifiers
[babeltrace.git] / src / plugins / lttng-utils / debug-info / trace-ir-metadata-field-class-copy.c
index d1d852be19c49ecdafe7d3c93bf3a53c2536edec..0b75bb6f3bc9c473b9c1cd166489421df5ff370b 100644 (file)
@@ -1,33 +1,17 @@
 /*
- * Babeltrace - Trace IR field copy
+ * SPDX-License-Identifier: MIT
  *
  * Copyright (c) 2015-2019 EfficiOS Inc. and Linux Foundation
  * Copyright (c) 2018 Philippe Proulx <pproulx@efficios.com>
  * Copyright (c) 2019 Francis Deslauriers <francis.deslauriers@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.
+ * Babeltrace - Trace IR field copy
  */
 
 #define BT_COMP_LOG_SELF_COMP (md_maps->self_comp)
 #define BT_LOG_OUTPUT_LEVEL (md_maps->log_level)
 #define BT_LOG_TAG "PLUGIN/FLT.LTTNG-UTILS.DEBUG-INFO/TRACE-IR-META-FC-COPY"
-#include "plugins/comp-logging.h"
+#include "logging/comp-logging.h"
 
 #include "common/assert.h"
 #include "common/common.h"
@@ -51,7 +35,7 @@ const bt_field_class *walk_field_path(struct trace_ir_metadata_maps *md_maps,
 
        BT_ASSERT(bt_field_class_get_type(fc) == BT_FIELD_CLASS_TYPE_STRUCTURE);
        BT_COMP_LOGD("Walking field path on field class: fp-addr=%p, fc-addr=%p",
-                       fp, fc);
+               fp, fc);
 
        fp_item_count = bt_field_path_get_item_count(fp);
        curr_fc = fc;
@@ -60,9 +44,7 @@ const bt_field_class *walk_field_path(struct trace_ir_metadata_maps *md_maps,
                const bt_field_path_item *fp_item =
                        bt_field_path_borrow_item_by_index_const(fp, i);
 
-               switch (fc_type) {
-               case BT_FIELD_CLASS_TYPE_STRUCTURE:
-               {
+               if (fc_type == BT_FIELD_CLASS_TYPE_STRUCTURE) {
                        const bt_field_class_structure_member *member;
 
                        BT_ASSERT(bt_field_path_item_get_type(fp_item) ==
@@ -72,12 +54,13 @@ const bt_field_class *walk_field_path(struct trace_ir_metadata_maps *md_maps,
                                bt_field_path_item_index_get_index(fp_item));
                        curr_fc = bt_field_class_structure_member_borrow_field_class_const(
                                member);
-                       break;
-               }
-               case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR:
-               case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR:
-               case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR:
-               {
+               } else if (bt_field_class_type_is(fc_type, BT_FIELD_CLASS_TYPE_OPTION)) {
+                       BT_ASSERT(bt_field_path_item_get_type(fp_item) ==
+                               BT_FIELD_PATH_ITEM_TYPE_CURRENT_OPTION_CONTENT);
+                       curr_fc = bt_field_class_option_borrow_field_class_const(
+                               curr_fc);
+
+               } else if (bt_field_class_type_is(fc_type, BT_FIELD_CLASS_TYPE_VARIANT)) {
                        const bt_field_class_variant_option *option;
 
                        BT_ASSERT(bt_field_path_item_get_type(fp_item) ==
@@ -88,18 +71,14 @@ const bt_field_class *walk_field_path(struct trace_ir_metadata_maps *md_maps,
                        curr_fc = bt_field_class_variant_option_borrow_field_class_const(
                                option);
                        break;
-               }
-               case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
-               case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
-               {
+               } else if (bt_field_class_type_is(fc_type, BT_FIELD_CLASS_TYPE_ARRAY)) {
                        BT_ASSERT(bt_field_path_item_get_type(fp_item) ==
                                BT_FIELD_PATH_ITEM_TYPE_CURRENT_ARRAY_ELEMENT);
                        curr_fc = bt_field_class_array_borrow_element_field_class_const(
                                curr_fc);
                        break;
-               }
-               default:
-                       abort();
+               } else {
+                       bt_common_abort();
                }
        }
 
@@ -137,7 +116,7 @@ const bt_field_class *resolve_field_path_to_field_class(const bt_field_path *fp,
                        fc_resolving_ctx->event_payload);
                break;
        default:
-               abort();
+               bt_common_abort();
        }
 
        return fc;
@@ -148,105 +127,136 @@ void field_class_integer_set_props(const bt_field_class *input_fc,
                bt_field_class *output_fc)
 {
        bt_field_class_integer_set_preferred_display_base(output_fc,
-                       bt_field_class_integer_get_preferred_display_base(input_fc));
+               bt_field_class_integer_get_preferred_display_base(input_fc));
        bt_field_class_integer_set_field_value_range(output_fc,
-                       bt_field_class_integer_get_field_value_range(input_fc));
+               bt_field_class_integer_get_field_value_range(input_fc));
 }
 
 static inline
-int field_class_unsigned_integer_copy(
+enum debug_info_trace_ir_mapping_status field_class_bool_copy(
+               struct trace_ir_metadata_maps *md_maps,
+               const bt_field_class *in_field_class,
+               bt_field_class *out_field_class)
+{
+       BT_COMP_LOGD("Copying content of boolean field class: "
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
+       /*
+        * There is no content to copy. Keep this function call anyway for
+        * logging purposes.
+        */
+       BT_COMP_LOGD("Copied content of boolean field class: "
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
+       return DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
+}
+
+static inline
+enum debug_info_trace_ir_mapping_status field_class_bit_array_copy(
+               struct trace_ir_metadata_maps *md_maps,
+               const bt_field_class *in_field_class,
+               bt_field_class *out_field_class)
+{
+       BT_COMP_LOGD("Copying content of bit array field class: "
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
+       /*
+        * There is no content to copy. Keep this function call anyway for
+        * logging purposes.
+        */
+       BT_COMP_LOGD("Copied content of bit array field class: "
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
+       return DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
+}
+
+static inline
+enum debug_info_trace_ir_mapping_status field_class_unsigned_integer_copy(
                struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class,
                bt_field_class *out_field_class)
 {
        BT_COMP_LOGD("Copying content of unsigned integer field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
 
        field_class_integer_set_props(in_field_class, out_field_class);
 
        BT_COMP_LOGD("Copied content of unsigned integer field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
-       return 0;
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
+       return DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
 }
 
 static inline
-int field_class_signed_integer_copy(
+enum debug_info_trace_ir_mapping_status field_class_signed_integer_copy(
                struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class,
                bt_field_class *out_field_class)
 {
        BT_COMP_LOGD("Copying content of signed integer field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
 
        field_class_integer_set_props(in_field_class, out_field_class);
 
        BT_COMP_LOGD("Copied content of signed integer field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
-       return 0;
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
+       return DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
 }
 
-BT_HIDDEN
-int field_class_unsigned_enumeration_copy(
+static
+enum debug_info_trace_ir_mapping_status field_class_unsigned_enumeration_copy(
                struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class,
                bt_field_class *out_field_class)
 {
+       enum debug_info_trace_ir_mapping_status status;
        uint64_t i, enum_mapping_count;
-       int ret = 0;
 
        BT_COMP_LOGD("Copying content of unsigned enumeration field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
 
        /* Copy properties of the inner integer. */
        field_class_integer_set_props(in_field_class, out_field_class);
 
        /* Copy all enumeration entries. */
-       enum_mapping_count = bt_field_class_enumeration_get_mapping_count(in_field_class);
+       enum_mapping_count = bt_field_class_enumeration_get_mapping_count(
+               in_field_class);
        for (i = 0; i < enum_mapping_count; i++) {
                const char *label;
                const bt_integer_range_set_unsigned *range_set;
                const bt_field_class_enumeration_unsigned_mapping *u_mapping;
                const bt_field_class_enumeration_mapping *mapping;
+               enum bt_field_class_enumeration_add_mapping_status add_mapping_status;
 
                u_mapping = bt_field_class_enumeration_unsigned_borrow_mapping_by_index_const(
-                               in_field_class, i);
+                       in_field_class, i);
                mapping = bt_field_class_enumeration_unsigned_mapping_as_mapping_const(
                        u_mapping);
                label = bt_field_class_enumeration_mapping_get_label(mapping);
                range_set = bt_field_class_enumeration_unsigned_mapping_borrow_ranges_const(
                        u_mapping);
-               ret = bt_field_class_enumeration_unsigned_add_mapping(
+               add_mapping_status = bt_field_class_enumeration_unsigned_add_mapping(
                        out_field_class, label, range_set);
-               if (ret) {
-                       goto error;
+               if (add_mapping_status != BT_FIELD_CLASS_ENUMERATION_ADD_MAPPING_STATUS_OK) {
+                       status = (int) add_mapping_status;
+                       goto end;
                }
        }
 
        BT_COMP_LOGD("Copied content of unsigned enumeration field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
 
-error:
-       return ret;
+       status = DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
+end:
+       return status;
 }
 
 static inline
-int field_class_signed_enumeration_copy(
+enum debug_info_trace_ir_mapping_status field_class_signed_enumeration_copy(
                struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class,
                bt_field_class *out_field_class)
 {
+       enum debug_info_trace_ir_mapping_status status;
        uint64_t i, enum_mapping_count;
-       int ret = 0;
 
        BT_COMP_LOGD("Copying content of signed enumeration field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
 
        /* Copy properties of the inner integer. */
        field_class_integer_set_props(in_field_class, out_field_class);
@@ -259,343 +269,452 @@ int field_class_signed_enumeration_copy(
                const bt_integer_range_set_signed *range_set;
                const bt_field_class_enumeration_signed_mapping *s_mapping;
                const bt_field_class_enumeration_mapping *mapping;
+               enum bt_field_class_enumeration_add_mapping_status add_mapping_status;
 
                s_mapping = bt_field_class_enumeration_signed_borrow_mapping_by_index_const(
-                               in_field_class, i);
+                       in_field_class, i);
                mapping = bt_field_class_enumeration_signed_mapping_as_mapping_const(
                        s_mapping);
                label = bt_field_class_enumeration_mapping_get_label(mapping);
                range_set = bt_field_class_enumeration_signed_mapping_borrow_ranges_const(
                        s_mapping);
-               ret = bt_field_class_enumeration_signed_add_mapping(
+               add_mapping_status = bt_field_class_enumeration_signed_add_mapping(
                        out_field_class, label, range_set);
-               if (ret) {
-                       goto error;
+               if (add_mapping_status != BT_FIELD_CLASS_ENUMERATION_ADD_MAPPING_STATUS_OK) {
+                       status = (int) add_mapping_status;
+                       goto end;
                }
        }
 
        BT_COMP_LOGD("Copied content of signed enumeration field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
 
-error:
-       return ret;
+       status = DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
+end:
+       return status;
 }
 
 static inline
-int field_class_real_copy(
+enum debug_info_trace_ir_mapping_status field_class_single_precision_real_copy(
                struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class,
                bt_field_class *out_field_class)
 {
-       BT_COMP_LOGD("Copying content of real field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
+       BT_COMP_LOGD("Copying content of single-precision real field class: "
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
 
-       bt_field_class_real_set_is_single_precision(out_field_class,
-                       bt_field_class_real_is_single_precision(in_field_class));
+       BT_COMP_LOGD("Copied content single-precision real field class:"
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
 
-       BT_COMP_LOGD("Copied content real field class: in-fc-addr=%p, "
-                       "out-fc-addr=%p", in_field_class, out_field_class);
+       return DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
+}
+
+static inline
+enum debug_info_trace_ir_mapping_status field_class_double_precision_real_copy(
+               struct trace_ir_metadata_maps *md_maps,
+               const bt_field_class *in_field_class,
+               bt_field_class *out_field_class)
+{
+       BT_COMP_LOGD("Copying content of double-precision real field class: "
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
+
+       BT_COMP_LOGD("Copied content double-precision real field class:"
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
 
-       return 0;
+       return DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
 }
 
 static inline
-int field_class_structure_copy(
+enum debug_info_trace_ir_mapping_status field_class_structure_copy(
                struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class,
                bt_field_class *out_field_class)
 {
+       bt_self_component *self_comp = md_maps->self_comp;
        uint64_t i, struct_member_count;
-       int ret = 0;
+       enum debug_info_trace_ir_mapping_status status;
 
        BT_COMP_LOGD("Copying content of structure field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
        /* Get the number of member in that struct. */
        struct_member_count =
                bt_field_class_structure_get_member_count(in_field_class);
 
        /* Iterate over all the members of the struct. */
        for (i = 0; i < struct_member_count; i++) {
-               const bt_field_class_structure_member *member;
+               enum bt_field_class_structure_append_member_status append_member_status;
+               const bt_field_class_structure_member *in_member;
+               bt_field_class_structure_member *out_member;
                const char *member_name;
-               const bt_field_class *member_fc;
-               bt_field_class *out_member_field_class;
+               const bt_field_class *in_member_fc;
+               bt_field_class *out_member_fc;
 
-               member = bt_field_class_structure_borrow_member_by_index_const(
+               in_member = bt_field_class_structure_borrow_member_by_index_const(
                        in_field_class, i);
-               member_fc = bt_field_class_structure_member_borrow_field_class_const(
-                       member);
-               member_name = bt_field_class_structure_member_get_name(member);
-               BT_COMP_LOGD("Copying structure field class's field: "
-                       "index=%" PRId64 ", "
-                       "member-fc-addr=%p, field-name=\"%s\"",
-                       i, member_fc, member_name);
-
-               out_member_field_class = create_field_class_copy(md_maps,
-                               member_fc);
-               if (!out_member_field_class) {
-                       BT_COMP_LOGE("Cannot copy structure field class's field: "
-                               "index=%" PRId64 ", "
-                               "field-fc-addr=%p, field-name=\"%s\"",
-                               i, member_fc, member_name);
-                       ret = -1;
-                       goto error;
+               in_member_fc = bt_field_class_structure_member_borrow_field_class_const(
+                       in_member);
+               member_name = bt_field_class_structure_member_get_name(in_member);
+               BT_COMP_LOGD("Copying structure field class's member: "
+                       "index=%" PRId64 ", member-fc-addr=%p, member-name=\"%s\"",
+                       i, in_member_fc, member_name);
+
+               out_member_fc = create_field_class_copy(md_maps, in_member_fc);
+               if (!out_member_fc) {
+                       BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot copy structure field class's member: "
+                               "index=%" PRId64 ", in-member-fc-addr=%p, "
+                               "member-name=\"%s\"", i, in_member_fc,
+                               member_name);
+                       status = DEBUG_INFO_TRACE_IR_MAPPING_STATUS_MEMORY_ERROR;
+                       goto end;
                }
-               ret = copy_field_class_content(md_maps, member_fc,
-                               out_member_field_class);
-               if (ret) {
-                       goto error;
+
+               status = copy_field_class_content(md_maps, in_member_fc,
+                       out_member_fc);
+               if (status != DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK) {
+                       BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot copy content of structure field class's member: "
+                               "index=%" PRId64 ", in-member-fc-addr=%p, "
+                               "member-name=\"%s\"", i, in_member_fc,
+                               member_name);
+                       BT_FIELD_CLASS_PUT_REF_AND_RESET(out_member_fc);
+                       goto end;
                }
 
-               if (bt_field_class_structure_append_member(out_field_class,
-                               member_name, out_member_field_class) !=
+               append_member_status = bt_field_class_structure_append_member(out_field_class,
+                               member_name, out_member_fc);
+               if (append_member_status !=
                                BT_FIELD_CLASS_STRUCTURE_APPEND_MEMBER_STATUS_OK) {
-                       BT_COMP_LOGE("Cannot append structure field class's field: "
-                               "index=%" PRId64 ", "
-                               "field-fc-addr=%p, field-name=\"%s\"",
-                               i, member_fc, member_name);
-                       BT_FIELD_CLASS_PUT_REF_AND_RESET(out_member_field_class);
-                       ret = -1;
-                       goto error;
+                       BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot append structure field class's field: "
+                               "index=%" PRId64 ", field-fc-addr=%p, "
+                               "field-name=\"%s\"", i, in_member_fc,
+                               member_name);
+                       BT_FIELD_CLASS_PUT_REF_AND_RESET(out_member_fc);
+                       status = (int) append_member_status;
+                       goto end;
                }
+
+               out_member = bt_field_class_structure_borrow_member_by_index(
+                       out_field_class, i);
+               BT_ASSERT(out_member);
+
+               /*
+                * Safe to use the same value object because it's frozen
+                * at this point.
+                */
+               bt_field_class_structure_member_set_user_attributes(
+                       out_member,
+                       bt_field_class_structure_member_borrow_user_attributes_const(
+                               in_member));
        }
 
        BT_COMP_LOGD("Copied structure field class: original-fc-addr=%p, copy-fc-addr=%p",
                in_field_class, out_field_class);
 
-error:
-       return ret;
+       status = DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
+end:
+       return status;
 }
 
 static inline
-int field_class_variant_copy(
+enum debug_info_trace_ir_mapping_status field_class_variant_copy(
                struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class,
                bt_field_class *out_field_class)
 {
+       bt_self_component *self_comp = md_maps->self_comp;
+       enum debug_info_trace_ir_mapping_status status;
        bt_field_class *out_tag_field_class = NULL;
        uint64_t i, variant_option_count;
        bt_field_class_type fc_type = bt_field_class_get_type(in_field_class);
-       int ret = 0;
 
        BT_COMP_LOGD("Copying content of variant field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
        variant_option_count =
                bt_field_class_variant_get_option_count(in_field_class);
        for (i = 0; i < variant_option_count; i++) {
-               const bt_field_class *option_fc;
+               const bt_field_class *in_option_fc;
                const char *option_name;
-               bt_field_class *out_option_field_class;
-               const bt_field_class_variant_option *option;
+               bt_field_class *out_option_fc;
+               const bt_field_class_variant_option *in_option;
+               bt_field_class_variant_option *out_option;
 
-               option = bt_field_class_variant_borrow_option_by_index_const(
+               in_option = bt_field_class_variant_borrow_option_by_index_const(
                        in_field_class, i);
-               option_fc = bt_field_class_variant_option_borrow_field_class_const(
-                       option);
-               option_name = bt_field_class_variant_option_get_name(option);
-               out_option_field_class = create_field_class_copy_internal(
-                               md_maps, option_fc);
-               if (!out_option_field_class) {
-                       BT_COMP_LOGE_STR("Cannot copy field class.");
-                       ret = -1;
-                       goto error;
+               in_option_fc = bt_field_class_variant_option_borrow_field_class_const(
+                       in_option);
+               option_name = bt_field_class_variant_option_get_name(in_option);
+
+               out_option_fc = create_field_class_copy_internal(
+                       md_maps, in_option_fc);
+               if (!out_option_fc) {
+                       BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot copy variant option field class: "
+                               "in-option-fc=%p, in-option-name=\"%s\"",
+                               in_option_fc, option_name);
+                       status = DEBUG_INFO_TRACE_IR_MAPPING_STATUS_MEMORY_ERROR;
+                       goto end;
                }
-               ret = copy_field_class_content_internal(md_maps, option_fc,
-                               out_option_field_class);
-               if (ret) {
-                       BT_COMP_LOGE_STR("Error copying content of option variant "
-                                       "field class'");
-                       goto error;
+
+               status = copy_field_class_content_internal(md_maps, in_option_fc,
+                       out_option_fc);
+               if (status != DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK) {
+                       BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Error copying content of variant option field class: "
+                               "in-option-fc=%p, in-option-name=\"%s\"",
+                               in_option_fc, option_name);
+                       BT_FIELD_CLASS_PUT_REF_AND_RESET(out_option_fc);
+                       goto end;
                }
 
-               if (fc_type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR) {
-                       const bt_field_class_variant_with_selector_unsigned_option *spec_opt =
-                               bt_field_class_variant_with_selector_unsigned_borrow_option_by_index_const(
+               if (fc_type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD) {
+                       const bt_field_class_variant_with_selector_field_integer_unsigned_option *spec_opt =
+                               bt_field_class_variant_with_selector_field_integer_unsigned_borrow_option_by_index_const(
                                        in_field_class, i);
                        const bt_integer_range_set_unsigned *ranges =
-                               bt_field_class_variant_with_selector_unsigned_option_borrow_ranges_const(
+                               bt_field_class_variant_with_selector_field_integer_unsigned_option_borrow_ranges_const(
                                        spec_opt);
-
-                       if (bt_field_class_variant_with_selector_unsigned_append_option(
+                       enum bt_field_class_variant_with_selector_field_integer_append_option_status append_opt_status =
+                               bt_field_class_variant_with_selector_field_integer_unsigned_append_option(
                                        out_field_class, option_name,
-                                       out_option_field_class, ranges) !=
-                                       BT_FIELD_CLASS_VARIANT_WITH_SELECTOR_APPEND_OPTION_STATUS_OK) {
-                               BT_COMP_LOGE_STR("Cannot append option to variant field class with unsigned selector'");
+                                       out_option_fc, ranges);
+
+                       if (append_opt_status !=
+                                       BT_FIELD_CLASS_VARIANT_WITH_SELECTOR_FIELD_APPEND_OPTION_STATUS_OK) {
+                               BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot append option to variant field class with unsigned integer selector"
+                                       "out-fc-addr=%p, out-option-fc-addr=%p, "
+                                       "out-option-name=\"%s\"", out_field_class,
+                                       out_option_fc, option_name);
                                BT_FIELD_CLASS_PUT_REF_AND_RESET(out_tag_field_class);
-                               ret = -1;
-                               goto error;
+                               status = (int) append_opt_status;
+                               goto end;
                        }
-               } else if (fc_type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR) {
-                       const bt_field_class_variant_with_selector_signed_option *spec_opt =
-                               bt_field_class_variant_with_selector_signed_borrow_option_by_index_const(
+               } else if (fc_type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD) {
+                       const bt_field_class_variant_with_selector_field_integer_signed_option *spec_opt =
+                               bt_field_class_variant_with_selector_field_integer_signed_borrow_option_by_index_const(
                                        in_field_class, i);
                        const bt_integer_range_set_signed *ranges =
-                               bt_field_class_variant_with_selector_signed_option_borrow_ranges_const(
+                               bt_field_class_variant_with_selector_field_integer_signed_option_borrow_ranges_const(
                                        spec_opt);
 
-                       if (bt_field_class_variant_with_selector_signed_append_option(
+                       enum bt_field_class_variant_with_selector_field_integer_append_option_status append_opt_status =
+                               bt_field_class_variant_with_selector_field_integer_signed_append_option(
                                        out_field_class, option_name,
-                                       out_option_field_class, ranges) !=
-                                       BT_FIELD_CLASS_VARIANT_WITH_SELECTOR_APPEND_OPTION_STATUS_OK) {
-                               BT_COMP_LOGE_STR("Cannot append option to variant field class with signed selector'");
+                                       out_option_fc, ranges);
+                       if (append_opt_status !=
+                                       BT_FIELD_CLASS_VARIANT_WITH_SELECTOR_FIELD_APPEND_OPTION_STATUS_OK) {
+                               BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot append option to variant field class with signed integer selector"
+                                       "out-fc-addr=%p, out-option-fc-addr=%p, "
+                                       "out-option-name=\"%s\"", out_field_class,
+                                       out_option_fc, option_name);
                                BT_FIELD_CLASS_PUT_REF_AND_RESET(out_tag_field_class);
-                               ret = -1;
-                               goto error;
+                               status = (int) append_opt_status;
+                               goto end;
                        }
                } else {
-                       BT_ASSERT(fc_type == BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR);
+                       BT_ASSERT(fc_type == BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD);
 
-                       if (bt_field_class_variant_without_selector_append_option(
+                       enum bt_field_class_variant_without_selector_append_option_status append_opt_status =
+                               bt_field_class_variant_without_selector_append_option(
                                        out_field_class, option_name,
-                                       out_option_field_class) !=
-                                       BT_FIELD_CLASS_VARIANT_WITHOUT_SELECTOR_APPEND_OPTION_STATUS_OK) {
-                               BT_COMP_LOGE_STR("Cannot append option to variant field class'");
+                                       out_option_fc);
+                       if (append_opt_status !=
+                                       BT_FIELD_CLASS_VARIANT_WITHOUT_SELECTOR_FIELD_APPEND_OPTION_STATUS_OK) {
+                               BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot append option to variant field class"
+                                       "out-fc-addr=%p, out-option-fc-addr=%p, "
+                                       "out-option-name=\"%s\"", out_field_class,
+                                       out_option_fc, option_name);
                                BT_FIELD_CLASS_PUT_REF_AND_RESET(out_tag_field_class);
-                               ret = -1;
-                               goto error;
+                               status = (int) append_opt_status;
+                               goto end;
                        }
                }
+
+               out_option = bt_field_class_variant_borrow_option_by_index(
+                       out_field_class, i);
+               BT_ASSERT(out_option);
+
+               /*
+                * Safe to use the same value object because it's frozen
+                * at this point.
+                */
+               bt_field_class_variant_option_set_user_attributes(
+                       out_option,
+                       bt_field_class_variant_option_borrow_user_attributes_const(
+                               in_option));
        }
 
        BT_COMP_LOGD("Copied content of variant field class: in-fc-addr=%p, "
                "out-fc-addr=%p", in_field_class, out_field_class);
-
-error:
-       return ret;
+       status = DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
+end:
+       return status;
 }
 
 static inline
-int field_class_static_array_copy(
+enum debug_info_trace_ir_mapping_status field_class_static_array_copy(
                struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class,
                bt_field_class *out_field_class)
 {
        BT_COMP_LOGD("Copying content of static array field class: in-fc-addr=%p, "
-                       "out-fc-addr=%p", in_field_class, out_field_class);
+               "out-fc-addr=%p", in_field_class, out_field_class);
        /*
         * There is no content to copy. Keep this function call anyway for
         * logging purposes.
         */
        BT_COMP_LOGD("Copied content of static array field class: in-fc-addr=%p, "
-                       "out-fc-addr=%p", in_field_class, out_field_class);
+               "out-fc-addr=%p", in_field_class, out_field_class);
 
-       return 0;
+       return DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
 }
 
 static inline
-int field_class_dynamic_array_copy(
+enum debug_info_trace_ir_mapping_status field_class_dynamic_array_copy(
                struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class,
                bt_field_class *out_field_class)
 {
        BT_COMP_LOGD("Copying content of dynamic array field class: "
-                       "in-fc-addr=%p, out-fc-addr=%p",
-                       in_field_class, out_field_class);
-
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
        /*
         * There is no content to copy. Keep this function call anyway for
         * logging purposes.
         */
-       BT_COMP_LOGD("Copied dynamic array field class: in-fc-addr=%p, "
-                       "out-fc-addr=%p", in_field_class, out_field_class);
+       BT_COMP_LOGD("Copied content of dynamic array field class: "
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
+
+       return DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
+}
+
+static inline
+enum debug_info_trace_ir_mapping_status field_class_option_copy(
+               struct trace_ir_metadata_maps *md_maps,
+               const bt_field_class *in_field_class,
+               bt_field_class *out_field_class)
+{
+       BT_COMP_LOGD("Copying content of option field class: "
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
+
+       if (bt_field_class_get_type(out_field_class) ==
+                       BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD) {
+               bt_field_class_option_with_selector_field_bool_set_selector_is_reversed(
+                       out_field_class,
+                       bt_field_class_option_with_selector_field_bool_selector_is_reversed(
+                               in_field_class));
+       }
 
-       return 0;
+       BT_COMP_LOGD("Copied content of option field class: "
+               "in-fc-addr=%p, out-fc-addr=%p", in_field_class, out_field_class);
+
+       return DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
 }
 
 static inline
-int field_class_string_copy(struct trace_ir_metadata_maps *md_maps,
+enum debug_info_trace_ir_mapping_status field_class_string_copy(
+               struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class,
                bt_field_class *out_field_class)
 {
        BT_COMP_LOGD("Copying content of string field class: in-fc-addr=%p, "
-                       "out-fc-addr=%p", in_field_class, out_field_class);
+               "out-fc-addr=%p", in_field_class, out_field_class);
        /*
         * There is no content to copy. Keep this function call anyway for
         * logging purposes.
         */
        BT_COMP_LOGD("Copied content of string field class: in-fc-addr=%p, "
-                       "out-fc-addr=%p", in_field_class, out_field_class);
+               "out-fc-addr=%p", in_field_class, out_field_class);
 
-       return 0;
+       return DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK;
 }
 
 static
-bt_field_class *copy_field_class_array_element(struct trace_ir_metadata_maps *md_maps,
+bt_field_class *copy_field_class_array_element(
+               struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_elem_fc)
 {
-       int ret;
+       bt_self_component *self_comp = md_maps->self_comp;
        bt_field_class *out_elem_fc =
                create_field_class_copy_internal(md_maps, in_elem_fc);
        if (!out_elem_fc) {
-               BT_COMP_LOGE("Error creating output elem field class "
-                               "from input elem field class for static array: "
-                               "in-fc-addr=%p", in_elem_fc);
-               goto error;
+               BT_COMP_LOGE_APPEND_CAUSE(self_comp,
+                       "Error creating output elem field class from input elem field class for static array: "
+                       "in-fc-addr=%p", in_elem_fc);
+               goto end;
        }
 
-       ret = copy_field_class_content_internal(md_maps, in_elem_fc, out_elem_fc);
-       if (ret) {
-               BT_COMP_LOGE("Error creating output elem field class "
-                               "from input elem field class for static array: "
-                               "in-fc-addr=%p", in_elem_fc);
+       if (copy_field_class_content_internal(md_maps, in_elem_fc, out_elem_fc) !=
+                       DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK) {
+               BT_COMP_LOGE_APPEND_CAUSE(self_comp,
+                       "Error creating output elem field class from input elem field class for static array: "
+                       "in-fc-addr=%p", in_elem_fc);
                BT_FIELD_CLASS_PUT_REF_AND_RESET(out_elem_fc);
-               goto error;
+               goto end;
        }
 
-error:
+end:
        return out_elem_fc;
 }
 
 BT_HIDDEN
-bt_field_class *create_field_class_copy_internal(struct trace_ir_metadata_maps *md_maps,
+bt_field_class *create_field_class_copy_internal(
+               struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class)
 {
+       bt_self_component *self_comp = md_maps->self_comp;
+       enum debug_info_trace_ir_mapping_status status;
        bt_field_class *out_field_class = NULL;
        bt_field_class_type fc_type = bt_field_class_get_type(in_field_class);
 
        BT_COMP_LOGD("Creating bare field class based on field class: in-fc-addr=%p",
-                       in_field_class);
+               in_field_class);
 
        switch (fc_type) {
+       case BT_FIELD_CLASS_TYPE_BOOL:
+               out_field_class = bt_field_class_bool_create(
+                       md_maps->output_trace_class);
+               break;
+       case BT_FIELD_CLASS_TYPE_BIT_ARRAY:
+               out_field_class = bt_field_class_bit_array_create(
+                       md_maps->output_trace_class,
+                       bt_field_class_bit_array_get_length(
+                               in_field_class));
+               break;
        case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
                out_field_class = bt_field_class_integer_unsigned_create(
-                               md_maps->output_trace_class);
+                       md_maps->output_trace_class);
                break;
        case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
                out_field_class = bt_field_class_integer_signed_create(
-                               md_maps->output_trace_class);
+                       md_maps->output_trace_class);
                break;
        case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
                out_field_class = bt_field_class_enumeration_unsigned_create(
-                               md_maps->output_trace_class);
+                       md_maps->output_trace_class);
                break;
        case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
                out_field_class = bt_field_class_enumeration_signed_create(
-                               md_maps->output_trace_class);
+                       md_maps->output_trace_class);
                break;
-       case BT_FIELD_CLASS_TYPE_REAL:
-               out_field_class = bt_field_class_real_create(
-                               md_maps->output_trace_class);
+       case BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL:
+               out_field_class = bt_field_class_real_single_precision_create(
+                       md_maps->output_trace_class);
+               break;
+       case BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL:
+               out_field_class = bt_field_class_real_double_precision_create(
+                       md_maps->output_trace_class);
                break;
        case BT_FIELD_CLASS_TYPE_STRING:
                out_field_class = bt_field_class_string_create(
-                               md_maps->output_trace_class);
+                       md_maps->output_trace_class);
                break;
        case BT_FIELD_CLASS_TYPE_STRUCTURE:
                out_field_class = bt_field_class_structure_create(
-                               md_maps->output_trace_class);
+                       md_maps->output_trace_class);
                break;
        case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
        {
                const bt_field_class *in_elem_fc =
                        bt_field_class_array_borrow_element_field_class_const(
                                        in_field_class);
-               uint64_t array_len =
-                       bt_field_class_array_static_get_length(in_field_class);
+               uint64_t array_len = bt_field_class_array_static_get_length(
+                       in_field_class);
 
                bt_field_class *out_elem_fc = copy_field_class_array_element(
                                md_maps, in_elem_fc);
@@ -605,28 +724,32 @@ bt_field_class *create_field_class_copy_internal(struct trace_ir_metadata_maps *
                }
 
                out_field_class = bt_field_class_array_static_create(
-                               md_maps->output_trace_class,
-                               out_elem_fc, array_len);
+                       md_maps->output_trace_class,
+                       out_elem_fc, array_len);
                break;
        }
-       case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
-       {
+       default:
+               break;
+       }
+
+       if (bt_field_class_type_is(fc_type,
+                       BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY)) {
                const bt_field_class *in_elem_fc =
                        bt_field_class_array_borrow_element_field_class_const(
                                        in_field_class);
-               const bt_field_path *length_fp =
-                       bt_field_class_array_dynamic_borrow_length_field_path_const(
-                               in_field_class);
                bt_field_class *out_length_fc = NULL;
-
                bt_field_class *out_elem_fc = copy_field_class_array_element(
                        md_maps, in_elem_fc);
+
                if (!out_elem_fc) {
                        out_field_class = NULL;
                        goto error;
                }
 
-               if (length_fp) {
+               if (fc_type == BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD) {
+                       const bt_field_path *length_fp =
+                               bt_field_class_array_dynamic_with_length_field_borrow_length_field_path_const(
+                                       in_field_class);
                        const bt_field_class *in_length_fc =
                                resolve_field_path_to_field_class(length_fp,
                                        md_maps);
@@ -638,21 +761,91 @@ bt_field_class *create_field_class_copy_internal(struct trace_ir_metadata_maps *
                }
 
                out_field_class = bt_field_class_array_dynamic_create(
-                               md_maps->output_trace_class,
-                               out_elem_fc, out_length_fc);
-               break;
-       }
-       case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR:
-       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR:
-       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR:
-       {
+                       md_maps->output_trace_class, out_elem_fc, out_length_fc);
+       } else if (bt_field_class_type_is(fc_type, BT_FIELD_CLASS_TYPE_OPTION)) {
+               const bt_field_class *in_content_fc =
+                       bt_field_class_option_borrow_field_class_const(
+                               in_field_class);
+               bt_field_class *out_selector_fc = NULL;
+               bt_field_class *out_content_fc;
+
+               out_content_fc = create_field_class_copy_internal(
+                       md_maps, in_content_fc);
+               if (!out_content_fc) {
+                       BT_COMP_LOGE_APPEND_CAUSE(self_comp,
+                               "Cannot copy option's content field class: "
+                               "in-content-fc-addr=%p", in_content_fc);
+                       goto error;
+               }
+
+               status = copy_field_class_content_internal(md_maps,
+                       in_content_fc, out_content_fc);
+               if (status != DEBUG_INFO_TRACE_IR_MAPPING_STATUS_OK) {
+                       BT_COMP_LOGE_APPEND_CAUSE(self_comp,
+                               "Error copying content of option's content field class: "
+                               "in-content-fc-addr=%p, out-content-fc-addr=%p",
+                               in_content_fc, out_content_fc);
+                       BT_FIELD_CLASS_PUT_REF_AND_RESET(out_content_fc);
+                       goto error;
+               }
+
+               if (fc_type == BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD) {
+                       out_field_class =
+                               bt_field_class_option_without_selector_create(
+                                       md_maps->output_trace_class,
+                                       out_content_fc);
+               } else {
+                       const bt_field_path *in_selector_fp =
+                               bt_field_class_option_with_selector_field_borrow_selector_field_path_const(
+                                       in_field_class);
+                       const bt_field_class *in_selector_fc;
+
+                       BT_ASSERT(in_selector_fp);
+                       in_selector_fc = resolve_field_path_to_field_class(
+                               in_selector_fp, md_maps);
+                       BT_ASSERT(in_selector_fc);
+                       out_selector_fc = g_hash_table_lookup(
+                               md_maps->field_class_map, in_selector_fc);
+                       BT_ASSERT(out_selector_fc);
+
+                       if (fc_type == BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD) {
+                               out_field_class =
+                                       bt_field_class_option_with_selector_field_bool_create(
+                                               md_maps->output_trace_class,
+                                               out_content_fc, out_selector_fc);
+                       } else if (fc_type == BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD) {
+                               const bt_integer_range_set_unsigned *ranges =
+                                       bt_field_class_option_with_selector_field_integer_unsigned_borrow_selector_ranges_const(
+                                               in_field_class);
+
+                               BT_ASSERT(ranges);
+                               out_field_class =
+                                       bt_field_class_option_with_selector_field_integer_unsigned_create(
+                                               md_maps->output_trace_class,
+                                               out_content_fc, out_selector_fc,
+                                               ranges);
+                       } else if (fc_type == BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD) {
+                               const bt_integer_range_set_signed *ranges =
+                                       bt_field_class_option_with_selector_field_integer_signed_borrow_selector_ranges_const(
+                                               in_field_class);
+
+                               BT_ASSERT(ranges);
+                               out_field_class =
+                                       bt_field_class_option_with_selector_field_integer_signed_create(
+                                               md_maps->output_trace_class,
+                                               out_content_fc, out_selector_fc,
+                                               ranges);
+                       }
+               }
+       } else if (bt_field_class_type_is(fc_type,
+                       BT_FIELD_CLASS_TYPE_VARIANT)) {
                bt_field_class *out_sel_fc = NULL;
 
-               if (fc_type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR ||
-                               fc_type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR) {
+               if (bt_field_class_type_is(fc_type,
+                               BT_FIELD_CLASS_TYPE_VARIANT_WITH_SELECTOR_FIELD)) {
                        const bt_field_class *in_sel_fc;
                        const bt_field_path *sel_fp =
-                               bt_field_class_variant_with_selector_borrow_selector_field_path_const(
+                               bt_field_class_variant_with_selector_field_borrow_selector_field_path_const(
                                        in_field_class);
 
                        BT_ASSERT(sel_fp);
@@ -666,10 +859,6 @@ bt_field_class *create_field_class_copy_internal(struct trace_ir_metadata_maps *
 
                out_field_class = bt_field_class_variant_create(
                        md_maps->output_trace_class, out_sel_fc);
-               break;
-       }
-       default:
-               abort();
        }
 
        /*
@@ -677,74 +866,88 @@ bt_field_class *create_field_class_copy_internal(struct trace_ir_metadata_maps *
         * the resolution of field paths in variant and dynamic array field
         * classes.
         */
+       BT_ASSERT(out_field_class);
        g_hash_table_insert(md_maps->field_class_map,
-                       (gpointer) in_field_class, out_field_class);
+               (gpointer) in_field_class, out_field_class);
 
 error:
        if(out_field_class){
                BT_COMP_LOGD("Created bare field class based on field class: in-fc-addr=%p, "
                                "out-fc-addr=%p", in_field_class, out_field_class);
        } else {
-               BT_COMP_LOGE("Error creating output field class from input field "
-                       "class: in-fc-addr=%p", in_field_class);
+               BT_COMP_LOGE_APPEND_CAUSE(self_comp,
+                       "Error creating output field class from input field class: "
+                       "in-fc-addr=%p", in_field_class);
        }
 
        return out_field_class;
 }
 
 BT_HIDDEN
-int copy_field_class_content_internal(
+enum debug_info_trace_ir_mapping_status copy_field_class_content_internal(
                struct trace_ir_metadata_maps *md_maps,
                const bt_field_class *in_field_class,
                bt_field_class *out_field_class)
 {
-       int ret = 0;
-       switch(bt_field_class_get_type(in_field_class)) {
-       case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
-               ret = field_class_unsigned_integer_copy(md_maps,
-                               in_field_class, out_field_class);
-               break;
-       case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
-               ret = field_class_signed_integer_copy(md_maps,
-                               in_field_class, out_field_class);
-               break;
-       case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
-               ret = field_class_unsigned_enumeration_copy(md_maps,
-                               in_field_class, out_field_class);
-               break;
-       case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
-               ret = field_class_signed_enumeration_copy(md_maps,
-                               in_field_class, out_field_class);
-               break;
-       case BT_FIELD_CLASS_TYPE_REAL:
-               ret = field_class_real_copy(md_maps,
-                               in_field_class, out_field_class);
-               break;
-       case BT_FIELD_CLASS_TYPE_STRING:
-               ret = field_class_string_copy(md_maps,
-                               in_field_class, out_field_class);
-               break;
-       case BT_FIELD_CLASS_TYPE_STRUCTURE:
-               ret = field_class_structure_copy(md_maps,
-                               in_field_class, out_field_class);
-               break;
-       case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
-               ret = field_class_static_array_copy(md_maps,
-                               in_field_class, out_field_class);
-               break;
-       case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
-               ret = field_class_dynamic_array_copy(md_maps,
-                               in_field_class, out_field_class);
-               break;
-       case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR:
-       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR:
-       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR:
-               ret = field_class_variant_copy(md_maps,
-                               in_field_class, out_field_class);
-               break;
-       default:
-               abort();
+       enum debug_info_trace_ir_mapping_status status;
+       bt_field_class_type in_fc_type =
+               bt_field_class_get_type(in_field_class);
+
+       /*
+        * Safe to use the same value object because it's frozen at this
+        * point.
+        */
+       bt_field_class_set_user_attributes(out_field_class,
+               bt_field_class_borrow_user_attributes_const(in_field_class));
+
+       if (in_fc_type == BT_FIELD_CLASS_TYPE_BOOL) {
+               status = field_class_bool_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (in_fc_type == BT_FIELD_CLASS_TYPE_BIT_ARRAY) {
+               status = field_class_bit_array_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (in_fc_type == BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER) {
+               status = field_class_unsigned_integer_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (in_fc_type == BT_FIELD_CLASS_TYPE_SIGNED_INTEGER) {
+               status = field_class_signed_integer_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (in_fc_type == BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION) {
+               status = field_class_unsigned_enumeration_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (in_fc_type == BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION) {
+               status = field_class_signed_enumeration_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (in_fc_type == BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL) {
+               status = field_class_single_precision_real_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (in_fc_type == BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL) {
+               status = field_class_double_precision_real_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (in_fc_type == BT_FIELD_CLASS_TYPE_STRING) {
+               status = field_class_string_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (in_fc_type == BT_FIELD_CLASS_TYPE_STRUCTURE) {
+               status = field_class_structure_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (in_fc_type == BT_FIELD_CLASS_TYPE_STATIC_ARRAY) {
+               status = field_class_static_array_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (bt_field_class_type_is(in_fc_type,
+                       BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY)) {
+               status = field_class_dynamic_array_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (bt_field_class_type_is(in_fc_type,
+                       BT_FIELD_CLASS_TYPE_OPTION)) {
+               status = field_class_option_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else if (bt_field_class_type_is(in_fc_type,
+                       BT_FIELD_CLASS_TYPE_VARIANT)) {
+               status = field_class_variant_copy(md_maps,
+                       in_field_class, out_field_class);
+       } else {
+               bt_common_abort();
        }
 
-       return ret;
+       return status;
 }
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