API cleanup: Remove handle from struct lttng_ust_channel_buffer
[lttng-ust.git] / liblttng-ust / lttng-bytecode.c
index 6c86c634fb0a3ceca4ce76cd53a6fca2b1a1f7a5..d4161fc3b451e0973af95729e823b08431ed9756 100644 (file)
@@ -179,7 +179,7 @@ int apply_field_reloc(const struct lttng_ust_event_desc *event_desc,
                const char *field_name,
                enum bytecode_op bytecode_op)
 {
-       const struct lttng_ust_event_field **fields, *field = NULL;
+       struct lttng_ust_event_field **fields, *field = NULL;
        unsigned int nr_fields, i;
        struct load_op *op;
        uint32_t field_offset = 0;
@@ -202,20 +202,20 @@ int apply_field_reloc(const struct lttng_ust_event_desc *event_desc,
                        break;
                }
                /* compute field offset */
-               switch (fields[i]->type.atype) {
-               case atype_integer:
-               case atype_enum_nestable:
+               switch (fields[i]->type->type) {
+               case lttng_ust_type_integer:
+               case lttng_ust_type_enum:
                        field_offset += sizeof(int64_t);
                        break;
-               case atype_array_nestable:
-               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:
@@ -238,19 +238,33 @@ int apply_field_reloc(const struct lttng_ust_event_desc *event_desc,
                struct field_ref *field_ref;
 
                field_ref = (struct field_ref *) op->data;
-               switch (field->type.atype) {
-               case atype_integer:
-               case atype_enum_nestable:
+               switch (field->type->type) {
+               case lttng_ust_type_integer:
+               case lttng_ust_type_enum:
                        op->op = BYTECODE_OP_LOAD_FIELD_REF_S64;
                        break;
-               case atype_array_nestable:
-               case atype_sequence_nestable:
+               case lttng_ust_type_array:
+               {
+                       struct lttng_ust_type_array *array = (struct lttng_ust_type_array *) field->type;
+
+                       if (array->encoding == lttng_ust_string_encoding_none)
+                               return -EINVAL;
+                       op->op = BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE;
+                       break;
+               }
+               case lttng_ust_type_sequence:
+               {
+                       struct lttng_ust_type_sequence *sequence = (struct lttng_ust_type_sequence *) field->type;
+
+                       if (sequence->encoding == lttng_ust_string_encoding_none)
+                               return -EINVAL;
                        op->op = BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE;
                        break;
-               case atype_string:
+               }
+               case lttng_ust_type_string:
                        op->op = BYTECODE_OP_LOAD_FIELD_REF_STRING;
                        break;
-               case atype_float:
+               case lttng_ust_type_float:
                        op->op = BYTECODE_OP_LOAD_FIELD_REF_DOUBLE;
                        break;
                default:
@@ -274,9 +288,9 @@ int apply_context_reloc(struct bytecode_runtime *runtime,
                enum bytecode_op bytecode_op)
 {
        struct load_op *op;
-       struct lttng_ctx_field *ctx_field;
+       struct lttng_ust_ctx_field *ctx_field;
        int idx;
-       struct lttng_ctx **pctx = runtime->p.priv->pctx;
+       struct lttng_ust_ctx **pctx = runtime->p.pctx;
 
        dbg_printf("Apply context reloc: %u %s\n", reloc_offset, context_name);
 
@@ -302,7 +316,7 @@ int apply_context_reloc(struct bytecode_runtime *runtime,
                return -EINVAL;
 
        /* Get context return type */
-       ctx_field = &(*pctx)->fields[idx];
+       ctx_field = (*pctx)->fields[idx];
        op = (struct load_op *) &runtime->code[reloc_offset];
 
        switch (bytecode_op) {
@@ -311,21 +325,37 @@ int apply_context_reloc(struct bytecode_runtime *runtime,
                struct field_ref *field_ref;
 
                field_ref = (struct field_ref *) op->data;
-               switch (ctx_field->event_field.type.atype) {
-               case atype_integer:
-               case atype_enum_nestable:
+               switch (ctx_field->event_field->type->type) {
+               case lttng_ust_type_integer:
+               case lttng_ust_type_enum:
                        op->op = BYTECODE_OP_GET_CONTEXT_REF_S64;
                        break;
-                       /* Sequence and array supported as string */
-               case atype_string:
-               case atype_array_nestable:
-               case atype_sequence_nestable:
+                       /* Sequence and array supported only as string */
+               case lttng_ust_type_array:
+               {
+                       struct lttng_ust_type_array *array = (struct lttng_ust_type_array *) ctx_field->event_field->type;
+
+                       if (array->encoding == lttng_ust_string_encoding_none)
+                               return -EINVAL;
                        op->op = BYTECODE_OP_GET_CONTEXT_REF_STRING;
                        break;
-               case atype_float:
+               }
+               case lttng_ust_type_sequence:
+               {
+                       struct lttng_ust_type_sequence *sequence = (struct lttng_ust_type_sequence *) ctx_field->event_field->type;
+
+                       if (sequence->encoding == lttng_ust_string_encoding_none)
+                               return -EINVAL;
+                       op->op = BYTECODE_OP_GET_CONTEXT_REF_STRING;
+                       break;
+               }
+               case lttng_ust_type_string:
+                       op->op = BYTECODE_OP_GET_CONTEXT_REF_STRING;
+                       break;
+               case lttng_ust_type_float:
                        op->op = BYTECODE_OP_GET_CONTEXT_REF_DOUBLE;
                        break;
-               case atype_dynamic:
+               case lttng_ust_type_dynamic:
                        op->op = BYTECODE_OP_GET_CONTEXT_REF;
                        break;
                default:
@@ -385,7 +415,7 @@ int bytecode_is_linked(struct lttng_ust_bytecode_node *bytecode,
        struct lttng_ust_bytecode_runtime *bc_runtime;
 
        cds_list_for_each_entry(bc_runtime, bytecode_runtime_head, node) {
-               if (bc_runtime->priv->bc == bytecode)
+               if (bc_runtime->bc == bytecode)
                        return 1;
        }
        return 0;
@@ -396,15 +426,14 @@ int bytecode_is_linked(struct lttng_ust_bytecode_node *bytecode,
  * bytecode runtime.
  */
 static
-int link_bytecode(const struct lttng_ust_event_desc *event_desc,
-               struct lttng_ctx **ctx,
+int link_bytecode(struct lttng_ust_event_desc *event_desc,
+               struct lttng_ust_ctx **ctx,
                struct lttng_ust_bytecode_node *bytecode,
                struct cds_list_head *bytecode_runtime_head,
                struct cds_list_head *insert_loc)
 {
        int ret, offset, next_offset;
        struct bytecode_runtime *runtime = NULL;
-       struct lttng_ust_bytecode_runtime_private *runtime_priv = NULL;
        size_t runtime_alloc_len;
 
        if (!bytecode)
@@ -422,18 +451,9 @@ int link_bytecode(const struct lttng_ust_event_desc *event_desc,
                ret = -ENOMEM;
                goto alloc_error;
        }
-       runtime_priv = zmalloc(sizeof(struct lttng_ust_bytecode_runtime_private));
-       if (!runtime_priv) {
-               free(runtime);
-               runtime = NULL;
-               ret = -ENOMEM;
-               goto alloc_error;
-       }
-       runtime->p.priv = runtime_priv;
-       runtime->p.struct_size = sizeof(struct lttng_ust_bytecode_runtime);
-       runtime_priv->pub = runtime;
-       runtime_priv->bc = bytecode;
-       runtime_priv->pctx = ctx;
+       runtime->p.type = bytecode->type;
+       runtime->p.bc = bytecode;
+       runtime->p.pctx = ctx;
        runtime->len = bytecode->bc.reloc_offset;
        /* copy original bytecode */
        memcpy(runtime->code, bytecode->bc.data, runtime->len);
@@ -466,59 +486,29 @@ int link_bytecode(const struct lttng_ust_event_desc *event_desc,
                goto link_error;
        }
 
-       switch (bytecode->type) {
-       case LTTNG_UST_BYTECODE_NODE_TYPE_FILTER:
-               runtime->p.interpreter_funcs.filter = lttng_bytecode_filter_interpret;
-               break;
-       case LTTNG_UST_BYTECODE_NODE_TYPE_CAPTURE:
-               runtime->p.interpreter_funcs.capture = lttng_bytecode_capture_interpret;
-               break;
-       default:
-               abort();
-       }
-
-       runtime->p.priv->link_failed = 0;
+       runtime->p.interpreter_func = lttng_bytecode_interpret;
+       runtime->p.link_failed = 0;
        cds_list_add_rcu(&runtime->p.node, insert_loc);
        dbg_printf("Linking successful.\n");
        return 0;
 
 link_error:
-       switch (bytecode->type) {
-       case LTTNG_UST_BYTECODE_NODE_TYPE_FILTER:
-               runtime->p.interpreter_funcs.filter = lttng_bytecode_filter_interpret_false;
-               break;
-       case LTTNG_UST_BYTECODE_NODE_TYPE_CAPTURE:
-               runtime->p.interpreter_funcs.capture = lttng_bytecode_capture_interpret_false;
-               break;
-       default:
-               abort();
-       }
-
-       runtime_priv->link_failed = 1;
+       runtime->p.interpreter_func = lttng_bytecode_interpret_error;
+       runtime->p.link_failed = 1;
        cds_list_add_rcu(&runtime->p.node, insert_loc);
 alloc_error:
        dbg_printf("Linking failed.\n");
        return ret;
 }
 
-void lttng_bytecode_filter_sync_state(struct lttng_ust_bytecode_runtime *runtime)
-{
-       struct lttng_ust_bytecode_node *bc = runtime->priv->bc;
-
-       if (!bc->enabler->enabled || runtime->priv->link_failed)
-               runtime->interpreter_funcs.filter = lttng_bytecode_filter_interpret_false;
-       else
-               runtime->interpreter_funcs.filter = lttng_bytecode_filter_interpret;
-}
-
-void lttng_bytecode_capture_sync_state(struct lttng_ust_bytecode_runtime *runtime)
+void lttng_bytecode_sync_state(struct lttng_ust_bytecode_runtime *runtime)
 {
-       struct lttng_ust_bytecode_node *bc = runtime->priv->bc;
+       struct lttng_ust_bytecode_node *bc = runtime->bc;
 
-       if (!bc->enabler->enabled || runtime->priv->link_failed)
-               runtime->interpreter_funcs.capture = lttng_bytecode_capture_interpret_false;
+       if (!bc->enabler->enabled || runtime->link_failed)
+               runtime->interpreter_func = lttng_bytecode_interpret_error;
        else
-               runtime->interpreter_funcs.capture = lttng_bytecode_capture_interpret;
+               runtime->interpreter_func = lttng_bytecode_interpret;
 }
 
 /*
@@ -529,8 +519,8 @@ void lttng_bytecode_capture_sync_state(struct lttng_ust_bytecode_runtime *runtim
  * This function is called after we confirmed that name enabler and the
  * instance are name matching (or glob pattern matching).
  */
-void lttng_enabler_link_bytecode(const struct lttng_ust_event_desc *event_desc,
-               struct lttng_ctx **ctx,
+void lttng_enabler_link_bytecode(struct lttng_ust_event_desc *event_desc,
+               struct lttng_ust_ctx **ctx,
                struct cds_list_head *instance_bytecode_head,
                struct cds_list_head *enabler_bytecode_head)
 {
@@ -549,7 +539,7 @@ void lttng_enabler_link_bytecode(const struct lttng_ust_event_desc *event_desc,
                 * linked with the instance.
                 */
                cds_list_for_each_entry(runtime, instance_bytecode_head, node) {
-                       if (runtime->priv->bc == enabler_bc) {
+                       if (runtime->bc == enabler_bc) {
                                found = 1;
                                break;
                        }
@@ -569,7 +559,7 @@ void lttng_enabler_link_bytecode(const struct lttng_ust_event_desc *event_desc,
                 */
                cds_list_for_each_entry_reverse(runtime,
                                instance_bytecode_head, node) {
-                       if (runtime->priv->bc->bc.seqnum <= enabler_bc->bc.seqnum) {
+                       if (runtime->bc->bc.seqnum <= enabler_bc->bc.seqnum) {
                                /* insert here */
                                insert_loc = &runtime->node;
                                goto add_within;
@@ -605,12 +595,11 @@ void free_filter_runtime(struct cds_list_head *bytecode_runtime_head)
        cds_list_for_each_entry_safe(runtime, tmp, bytecode_runtime_head,
                        p.node) {
                free(runtime->data);
-               free(runtime->p.priv);
                free(runtime);
        }
 }
 
 void lttng_free_event_filter_runtime(struct lttng_ust_event_common *event)
 {
-       free_filter_runtime(&event->filter_bytecode_runtime_head);
+       free_filter_runtime(&event->priv->filter_bytecode_runtime_head);
 }
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