X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=liblttng-ust%2Flttng-bytecode-specialize.c;h=065c0eb24a16ae848bfa34b921a3ad83e80c17e9;hb=a4e2c093247d929471eae2f16fa7c4e799eedfe3;hp=15a45b93947fb19f9ae057984f6307c98befb45c;hpb=70f9f7f95a5a36231e4a71191bcd88d582c3ca81;p=lttng-ust.git

diff --git a/liblttng-ust/lttng-bytecode-specialize.c b/liblttng-ust/lttng-bytecode-specialize.c
index 15a45b93..065c0eb2 100644
--- a/liblttng-ust/lttng-bytecode-specialize.c
+++ b/liblttng-ust/lttng-bytecode-specialize.c
@@ -1,36 +1,21 @@
 /*
- * lttng-bytecode-specialize.c
- *
- * LTTng UST bytecode specializer.
+ * SPDX-License-Identifier: MIT
  *
  * Copyright (C) 2010-2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * LTTng UST bytecode specializer.
  */
 
 #define _LGPL_SOURCE
 #include <stddef.h>
 #include <stdint.h>
 
+#include <lttng/ust-align.h>
+
+#include "context-internal.h"
 #include "lttng-bytecode.h"
-#include <lttng/align.h>
 #include "ust-events-internal.h"
+#include "ust-helper.h"
 
 static int lttng_fls(int val)
 {
@@ -268,24 +253,20 @@ static int specialize_get_index(struct bytecode_runtime *runtime,
 		switch (stack_top->load.object_type) {
 		case OBJECT_TYPE_ARRAY:
 		{
-			const struct lttng_integer_type *integer_type;
-			const struct lttng_event_field *field;
+			struct lttng_ust_type_integer *integer_type;
+			struct lttng_ust_event_field *field;
 			uint32_t elem_len, num_elems;
 			int signedness;
 
 			field = stack_top->load.field;
-			switch (field->type.atype) {
-			case atype_array:
-				integer_type = &field->type.u.legacy.array.elem_type.u.basic.integer;
-				num_elems = field->type.u.legacy.array.length;
-				break;
-			case atype_array_nestable:
-				if (field->type.u.array_nestable.elem_type->atype != atype_integer) {
+			switch (field->type->type) {
+			case lttng_ust_type_array:
+				if (lttng_ust_get_type_array(field->type)->elem_type->type != lttng_ust_type_integer) {
 					ret = -EINVAL;
 					goto end;
 				}
-				integer_type = &field->type.u.array_nestable.elem_type->u.integer;
-				num_elems = field->type.u.array_nestable.length;
+				integer_type = lttng_ust_get_type_integer(lttng_ust_get_type_array(field->type)->elem_type);
+				num_elems = lttng_ust_get_type_array(field->type)->length;
 				break;
 			default:
 				ret = -EINVAL;
@@ -312,22 +293,19 @@ static int specialize_get_index(struct bytecode_runtime *runtime,
 		}
 		case OBJECT_TYPE_SEQUENCE:
 		{
-			const struct lttng_integer_type *integer_type;
-			const struct lttng_event_field *field;
+			struct lttng_ust_type_integer *integer_type;
+			struct lttng_ust_event_field *field;
 			uint32_t elem_len;
 			int signedness;
 
 			field = stack_top->load.field;
-			switch (field->type.atype) {
-			case atype_sequence:
-				integer_type = &field->type.u.legacy.sequence.elem_type.u.basic.integer;
-				break;
-			case atype_sequence_nestable:
-				if (field->type.u.sequence_nestable.elem_type->atype != atype_integer) {
+			switch (field->type->type) {
+			case lttng_ust_type_sequence:
+				if (lttng_ust_get_type_sequence(field->type)->elem_type->type != lttng_ust_type_integer) {
 					ret = -EINVAL;
 					goto end;
 				}
-				integer_type = &field->type.u.sequence_nestable.elem_type->u.integer;
+				integer_type = lttng_ust_get_type_integer(lttng_ust_get_type_sequence(field->type)->elem_type);
 				break;
 			default:
 				ret = -EINVAL;
@@ -388,7 +366,7 @@ end:
 	return ret;
 }
 
-static int specialize_context_lookup_name(struct lttng_ctx *ctx,
+static int specialize_context_lookup_name(struct lttng_ust_ctx *ctx,
 		struct bytecode_runtime *bytecode,
 		struct load_op *insn)
 {
@@ -400,29 +378,24 @@ static int specialize_context_lookup_name(struct lttng_ctx *ctx,
 	return lttng_get_context_index(ctx, name);
 }
 
-static int specialize_load_object(const struct lttng_event_field *field,
+static int specialize_load_object(struct lttng_ust_event_field *field,
 		struct vstack_load *load, bool is_context)
 {
 	load->type = LOAD_OBJECT;
 
-	switch (field->type.atype) {
-	case atype_integer:
-		if (field->type.u.integer.signedness)
+	switch (field->type->type) {
+	case lttng_ust_type_integer:
+		if (lttng_ust_get_type_integer(field->type)->signedness)
 			load->object_type = OBJECT_TYPE_S64;
 		else
 			load->object_type = OBJECT_TYPE_U64;
 		load->rev_bo = false;
 		break;
-	case atype_enum:
-	case atype_enum_nestable:
+	case lttng_ust_type_enum:
 	{
-		const struct lttng_integer_type *itype;
+		struct lttng_ust_type_integer *itype;
 
-		if (field->type.atype == atype_enum) {
-			itype = &field->type.u.legacy.basic.enumeration.container_type;
-		} else {
-			itype = &field->type.u.enum_nestable.container_type->u.integer;
-		}
+		itype = lttng_ust_get_type_integer(lttng_ust_get_type_enum(field->type)->container_type);
 		if (itype->signedness)
 			load->object_type = OBJECT_TYPE_SIGNED_ENUM;
 		else
@@ -430,15 +403,15 @@ static int specialize_load_object(const struct lttng_event_field *field,
 		load->rev_bo = false;
 		break;
 	}
-	case atype_array:
-		if (field->type.u.legacy.array.elem_type.atype != atype_integer) {
+	case lttng_ust_type_array:
+		if (lttng_ust_get_type_array(field->type)->elem_type->type != lttng_ust_type_integer) {
 			ERR("Array nesting only supports integer types.");
 			return -EINVAL;
 		}
 		if (is_context) {
 			load->object_type = OBJECT_TYPE_STRING;
 		} else {
-			if (field->type.u.legacy.array.elem_type.u.basic.integer.encoding == lttng_encode_none) {
+			if (lttng_ust_get_type_array(field->type)->encoding == lttng_ust_string_encoding_none) {
 				load->object_type = OBJECT_TYPE_ARRAY;
 				load->field = field;
 			} else {
@@ -446,47 +419,15 @@ static int specialize_load_object(const struct lttng_event_field *field,
 			}
 		}
 		break;
-	case atype_array_nestable:
-		if (field->type.u.array_nestable.elem_type->atype != atype_integer) {
-			ERR("Array nesting only supports integer types.");
-			return -EINVAL;
-		}
-		if (is_context) {
-			load->object_type = OBJECT_TYPE_STRING;
-		} else {
-			if (field->type.u.array_nestable.elem_type->u.integer.encoding == lttng_encode_none) {
-				load->object_type = OBJECT_TYPE_ARRAY;
-				load->field = field;
-			} else {
-				load->object_type = OBJECT_TYPE_STRING_SEQUENCE;
-			}
-		}
-		break;
-	case atype_sequence:
-		if (field->type.u.legacy.sequence.elem_type.atype != atype_integer) {
-			ERR("Sequence nesting only supports integer types.");
-			return -EINVAL;
-		}
-		if (is_context) {
-			load->object_type = OBJECT_TYPE_STRING;
-		} else {
-			if (field->type.u.legacy.sequence.elem_type.u.basic.integer.encoding == lttng_encode_none) {
-				load->object_type = OBJECT_TYPE_SEQUENCE;
-				load->field = field;
-			} else {
-				load->object_type = OBJECT_TYPE_STRING_SEQUENCE;
-			}
-		}
-		break;
-	case atype_sequence_nestable:
-		if (field->type.u.sequence_nestable.elem_type->atype != atype_integer) {
+	case lttng_ust_type_sequence:
+		if (lttng_ust_get_type_sequence(field->type)->elem_type->type != lttng_ust_type_integer) {
 			ERR("Sequence nesting only supports integer types.");
 			return -EINVAL;
 		}
 		if (is_context) {
 			load->object_type = OBJECT_TYPE_STRING;
 		} else {
-			if (field->type.u.sequence_nestable.elem_type->u.integer.encoding == lttng_encode_none) {
+			if (lttng_ust_get_type_sequence(field->type)->encoding == lttng_ust_string_encoding_none) {
 				load->object_type = OBJECT_TYPE_SEQUENCE;
 				load->field = field;
 			} else {
@@ -495,33 +436,30 @@ static int specialize_load_object(const struct lttng_event_field *field,
 		}
 		break;
 
-	case atype_string:
+	case lttng_ust_type_string:
 		load->object_type = OBJECT_TYPE_STRING;
 		break;
-	case atype_float:
+	case lttng_ust_type_float:
 		load->object_type = OBJECT_TYPE_DOUBLE;
 		break;
-	case atype_dynamic:
+	case lttng_ust_type_dynamic:
 		load->object_type = OBJECT_TYPE_DYNAMIC;
 		break;
-	case atype_struct:
-		ERR("Structure type cannot be loaded.");
-		return -EINVAL;
 	default:
-		ERR("Unknown type: %d", (int) field->type.atype);
+		ERR("Unknown type: %d", (int) field->type->type);
 		return -EINVAL;
 	}
 	return 0;
 }
 
-static int specialize_context_lookup(struct lttng_ctx *ctx,
+static int specialize_context_lookup(struct lttng_ust_ctx *ctx,
 		struct bytecode_runtime *runtime,
 		struct load_op *insn,
 		struct vstack_load *load)
 {
 	int idx, ret;
-	struct lttng_ctx_field *ctx_field;
-	struct lttng_event_field *field;
+	struct lttng_ust_ctx_field *ctx_field;
+	struct lttng_ust_event_field *field;
 	struct bytecode_get_index_data gid;
 	ssize_t data_offset;
 
@@ -529,8 +467,8 @@ static int specialize_context_lookup(struct lttng_ctx *ctx,
 	if (idx < 0) {
 		return -ENOENT;
 	}
-	ctx_field = &ctx->fields[idx];
-	field = &ctx_field->event_field;
+	ctx_field = ctx->fields[idx];
+	field = ctx_field->event_field;
 	ret = specialize_load_object(field, load, true);
 	if (ret)
 		return ret;
@@ -550,7 +488,7 @@ static int specialize_context_lookup(struct lttng_ctx *ctx,
 	return 0;
 }
 
-static int specialize_app_context_lookup(struct lttng_ctx **pctx,
+static int specialize_app_context_lookup(struct lttng_ust_ctx **pctx,
 		struct bytecode_runtime *runtime,
 		struct load_op *insn,
 		struct vstack_load *load)
@@ -559,8 +497,8 @@ static int specialize_app_context_lookup(struct lttng_ctx **pctx,
 	const char *orig_name;
 	char *name = NULL;
 	int idx, ret;
-	struct lttng_ctx_field *ctx_field;
-	struct lttng_event_field *field;
+	struct lttng_ust_ctx_field *ctx_field;
+	struct lttng_ust_event_field *field;
 	struct bytecode_get_index_data gid;
 	ssize_t data_offset;
 
@@ -584,8 +522,8 @@ static int specialize_app_context_lookup(struct lttng_ctx **pctx,
 		if (idx < 0)
 			return -ENOENT;
 	}
-	ctx_field = &(*pctx)->fields[idx];
-	field = &ctx_field->event_field;
+	ctx_field = (*pctx)->fields[idx];
+	field = ctx_field->event_field;
 	ret = specialize_load_object(field, load, true);
 	if (ret)
 		goto end;
@@ -609,7 +547,7 @@ end:
 	return ret;
 }
 
-static int specialize_payload_lookup(const struct lttng_event_desc *event_desc,
+static int specialize_payload_lookup(struct lttng_ust_event_desc *event_desc,
 		struct bytecode_runtime *runtime,
 		struct load_op *insn,
 		struct vstack_load *load)
@@ -619,7 +557,7 @@ static int specialize_payload_lookup(const struct lttng_event_desc *event_desc,
 	unsigned int i, nr_fields;
 	bool found = false;
 	uint32_t field_offset = 0;
-	const struct lttng_event_field *field;
+	struct lttng_ust_event_field *field;
 	int ret;
 	struct bytecode_get_index_data gid;
 	ssize_t data_offset;
@@ -628,8 +566,8 @@ static int specialize_payload_lookup(const struct lttng_event_desc *event_desc,
 	offset = ((struct get_symbol *) insn->data)->offset;
 	name = runtime->p.bc->bc.data + runtime->p.bc->bc.reloc_offset + offset;
 	for (i = 0; i < nr_fields; i++) {
-		field = &event_desc->fields[i];
-		if (field->u.ext.nofilter) {
+		field = event_desc->fields[i];
+		if (field->nofilter) {
 			continue;
 		}
 		if (!strcmp(field->name, name)) {
@@ -637,23 +575,20 @@ static int specialize_payload_lookup(const struct lttng_event_desc *event_desc,
 			break;
 		}
 		/* compute field offset on stack */
-		switch (field->type.atype) {
-		case atype_integer:
-		case atype_enum:
-		case atype_enum_nestable:
+		switch (field->type->type) {
+		case lttng_ust_type_integer:
+		case lttng_ust_type_enum:
 			field_offset += sizeof(int64_t);
 			break;
-		case atype_array:
-		case atype_array_nestable:
-		case atype_sequence:
-		case atype_sequence_nestable:
+		case lttng_ust_type_array:
+		case lttng_ust_type_sequence:
 			field_offset += sizeof(unsigned long);
 			field_offset += sizeof(void *);
 			break;
-		case atype_string:
+		case lttng_ust_type_string:
 			field_offset += sizeof(void *);
 			break;
-		case atype_float:
+		case lttng_ust_type_float:
 			field_offset += sizeof(double);
 			break;
 		default:
@@ -689,14 +624,14 @@ end:
 	return ret;
 }
 
-int lttng_bytecode_specialize(const struct lttng_event_desc *event_desc,
+int lttng_bytecode_specialize(struct lttng_ust_event_desc *event_desc,
 		struct bytecode_runtime *bytecode)
 {
 	void *pc, *next_pc, *start_pc;
 	int ret = -EINVAL;
 	struct vstack _stack;
 	struct vstack *stack = &_stack;
-	struct lttng_ctx **pctx = bytecode->p.pctx;
+	struct lttng_ust_ctx **pctx = bytecode->p.pctx;
 
 	vstack_init(stack);