X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fplugins%2Flttng-utils%2Fdebug-info%2Ftrace-ir-metadata-field-class-copy.c;h=0b75bb6f3bc9c473b9c1cd166489421df5ff370b;hb=0235b0db7de5bcacdb3650c92461f2ce5eb2143d;hp=d1d852be19c49ecdafe7d3c93bf3a53c2536edec;hpb=e7ceb9df3c98e0b0d394f38c8c63fd236a2a0e06;p=babeltrace.git

diff --git a/src/plugins/lttng-utils/debug-info/trace-ir-metadata-field-class-copy.c b/src/plugins/lttng-utils/debug-info/trace-ir-metadata-field-class-copy.c
index d1d852be..0b75bb6f 100644
--- a/src/plugins/lttng-utils/debug-info/trace-ir-metadata-field-class-copy.c
+++ b/src/plugins/lttng-utils/debug-info/trace-ir-metadata-field-class-copy.c
@@ -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;
 }