X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-bytecode.c;h=d4161fc3b451e0973af95729e823b08431ed9756;hb=5b4c6da4aa59719b613c612afc05aee91f4343a4;hp=a16b35cc2fd752c1375660903aed2010a76ef497;hpb=5469a374cdfeb3daa5d0f908f38ad427e3b753c9;p=lttng-ust.git diff --git a/liblttng-ust/lttng-bytecode.c b/liblttng-ust/lttng-bytecode.c index a16b35cc..d4161fc3 100644 --- a/liblttng-ust/lttng-bytecode.c +++ b/liblttng-ust/lttng-bytecode.c @@ -15,6 +15,7 @@ #include "context-internal.h" #include "lttng-bytecode.h" #include "ust-events-internal.h" +#include "ust-helper.h" static const char *opnames[] = { [ BYTECODE_OP_UNKNOWN ] = "UNKNOWN", @@ -178,7 +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; @@ -201,20 +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: @@ -237,19 +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: @@ -273,9 +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); @@ -301,7 +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) { @@ -310,21 +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: @@ -384,7 +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; @@ -395,15 +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) @@ -421,18 +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); @@ -465,59 +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; } /* @@ -528,8 +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) { @@ -548,7 +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; } @@ -568,7 +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; @@ -604,12 +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); }