X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf%2Fmetadata%2Fctf-visitor-generate-io-struct.c;h=a8aebf919fc3e2d77b43b02d985bd3f0cab67104;hp=37d17f5839e2ebb4047a4f338e6634be44c9b2e8;hb=56e603733d2a16aba6fdaf149ad6a4cd42e44eda;hpb=53532829c4c9a9c22eccc72cd84bf5b0b57b33e0 diff --git a/formats/ctf/metadata/ctf-visitor-generate-io-struct.c b/formats/ctf/metadata/ctf-visitor-generate-io-struct.c index 37d17f58..a8aebf91 100644 --- a/formats/ctf/metadata/ctf-visitor-generate-io-struct.c +++ b/formats/ctf/metadata/ctf-visitor-generate-io-struct.c @@ -25,7 +25,7 @@ #include #include #include -#include +#include #include #include #include @@ -87,6 +87,50 @@ char *concatenate_unary_strings(struct cds_list_head *head) return g_string_free(str, FALSE); } +static +GQuark get_map_clock_name_value(struct cds_list_head *head) +{ + struct ctf_node *node; + const char *name = NULL; + int i = 0; + + cds_list_for_each_entry(node, head, siblings) { + char *src_string; + + assert(node->type == NODE_UNARY_EXPRESSION); + assert(node->u.unary_expression.type == UNARY_STRING); + assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN) + ^ (i != 0)); + /* needs to be chained with . */ + switch (node->u.unary_expression.link) { + case UNARY_DOTLINK: + break; + case UNARY_ARROWLINK: + case UNARY_DOTDOTDOT: + return 0; + default: + break; + } + src_string = node->u.unary_expression.u.string; + switch (i) { + case 0: if (strcmp("clock", src_string) != 0) { + return 0; + } + break; + case 1: name = src_string; + break; + case 2: if (strcmp("value", src_string) != 0) { + return 0; + } + break; + default: + return 0; /* extra identifier, unknown */ + } + i++; + } + return g_quark_from_string(name); +} + static int get_unary_unsigned(struct cds_list_head *head, uint64_t *value) { @@ -104,6 +148,23 @@ int get_unary_unsigned(struct cds_list_head *head, uint64_t *value) return 0; } +static +int get_unary_signed(struct cds_list_head *head, int64_t *value) +{ + struct ctf_node *node; + int i = 0; + + cds_list_for_each_entry(node, head, siblings) { + assert(node->type == NODE_UNARY_EXPRESSION); + assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT); + assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); + assert(i == 0); + *value = node->u.unary_expression.u.signed_constant; + i++; + } + return 0; +} + static int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid) { @@ -119,7 +180,7 @@ int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid) assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); assert(i == 0); src_string = node->u.unary_expression.u.string; - ret = uuid_parse(node->u.unary_expression.u.string, *uuid); + ret = uuid_parse(src_string, *uuid); } return ret; } @@ -132,6 +193,12 @@ struct ctf_stream_class *trace_stream_lookup(struct ctf_trace *trace, uint64_t s return g_ptr_array_index(trace->streams, stream_id); } +static +struct ctf_clock *trace_clock_lookup(struct ctf_trace *trace, GQuark clock_name) +{ + return g_hash_table_lookup(trace->clocks, (gpointer) (unsigned long) clock_name); +} + static int visit_type_specifier(FILE *fd, struct ctf_node *type_specifier, GString *str) { @@ -313,6 +380,23 @@ struct declaration *ctf_type_declarator_visit(FILE *fd, int depth, fprintf(fd, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q)); return NULL; } + if (nested_declaration->id == CTF_TYPE_INTEGER) { + struct declaration_integer *integer_declaration = + container_of(nested_declaration, struct declaration_integer, p); + /* For base to 16 for pointers (expected pretty-print) */ + if (!integer_declaration->base) { + /* + * We need to do a copy of the + * integer declaration to modify it. There could be other references to + * it. + */ + integer_declaration = integer_declaration_new(integer_declaration->len, + integer_declaration->byte_order, integer_declaration->signedness, + integer_declaration->p.alignment, 16, integer_declaration->encoding, + integer_declaration->clock); + nested_declaration = &integer_declaration->p; + } + } } else { nested_declaration = ctf_type_specifier_list_visit(fd, depth, type_specifier_list, declaration_scope, trace); @@ -330,57 +414,52 @@ struct declaration *ctf_type_declarator_visit(FILE *fd, int depth, return nested_declaration; } else { struct declaration *declaration; - struct ctf_node *length; + struct ctf_node *first; /* TYPEDEC_NESTED */ + if (!nested_declaration) { + fprintf(fd, "[error] %s: nested type is unknown.\n", __func__); + return NULL; + } + /* create array/sequence, pass nested_declaration as child. */ - length = node_type_declarator->u.type_declarator.u.nested.length; - if (!length) { - fprintf(fd, "[error] %s: expecting length type or value.\n", __func__); + if (cds_list_empty(&node_type_declarator->u.type_declarator.u.nested.length)) { + fprintf(fd, "[error] %s: expecting length field reference or value.\n", __func__); return NULL; } - switch (length->type) { - case NODE_UNARY_EXPRESSION: + first = _cds_list_first_entry(&node_type_declarator->u.type_declarator.u.nested.length, + struct ctf_node, siblings); + assert(first->type == NODE_UNARY_EXPRESSION); + + switch (first->u.unary_expression.type) { + case UNARY_UNSIGNED_CONSTANT: { struct declaration_array *array_declaration; size_t len; - if (length->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { - fprintf(fd, "[error] %s: array: unexpected unary expression.\n", __func__); - return NULL; - } - len = length->u.unary_expression.u.unsigned_constant; + len = first->u.unary_expression.u.unsigned_constant; array_declaration = array_declaration_new(len, nested_declaration, declaration_scope); + + if (!array_declaration) { + fprintf(fd, "[error] %s: cannot create array declaration.\n", __func__); + return NULL; + } declaration = &array_declaration->p; break; } - case NODE_TYPE_SPECIFIER_LIST: + case UNARY_STRING: { + /* Lookup unsigned integer definition, create sequence */ + char *length_name = concatenate_unary_strings(&node_type_declarator->u.type_declarator.u.nested.length); struct declaration_sequence *sequence_declaration; - struct declaration_integer *integer_declaration; - declaration = ctf_type_specifier_list_visit(fd, depth, - length, declaration_scope, trace); - if (!declaration) { - fprintf(fd, "[error] %s: unable to find declaration type for sequence length\n", __func__); - return NULL; - } - if (declaration->id != CTF_TYPE_INTEGER) { - fprintf(fd, "[error] %s: length type for sequence is expected to be an integer (unsigned).\n", __func__); - declaration_unref(declaration); - return NULL; - } - integer_declaration = container_of(declaration, struct declaration_integer, p); - if (integer_declaration->signedness != false) { - fprintf(fd, "[error] %s: length type for sequence should always be an unsigned integer.\n", __func__); - declaration_unref(declaration); + sequence_declaration = sequence_declaration_new(length_name, nested_declaration, declaration_scope); + if (!sequence_declaration) { + fprintf(fd, "[error] %s: cannot create sequence declaration.\n", __func__); return NULL; } - - sequence_declaration = sequence_declaration_new(integer_declaration, - nested_declaration, declaration_scope); declaration = &sequence_declaration->p; break; } @@ -420,6 +499,13 @@ int ctf_struct_type_declarators_visit(FILE *fd, int depth, fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__); return -EINVAL; } + + /* Check if field with same name already exists */ + if (struct_declaration_lookup_field_index(struct_declaration, field_name) >= 0) { + fprintf(fd, "[error] %s: duplicate field %s in struct\n", __func__, g_quark_to_string(field_name)); + return -EINVAL; + } + struct_declaration_add_field(struct_declaration, g_quark_to_string(field_name), field_declaration); @@ -450,6 +536,13 @@ int ctf_variant_type_declarators_visit(FILE *fd, int depth, fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__); return -EINVAL; } + + if (untagged_variant_declaration_get_field_from_tag(untagged_variant_declaration, field_name) != NULL) { + fprintf(fd, "[error] %s: duplicate field %s in variant\n", __func__, g_quark_to_string(field_name)); + return -EINVAL; + } + + untagged_variant_declaration_add_field(untagged_variant_declaration, g_quark_to_string(field_name), field_declaration); @@ -559,7 +652,9 @@ int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, return 0; error: - type_declaration->declaration_free(type_declaration); + if (type_declaration) { + type_declaration->declaration_free(type_declaration); + } return err; } @@ -653,7 +748,8 @@ int ctf_variant_declaration_list_visit(FILE *fd, int depth, static struct declaration *ctf_declaration_struct_visit(FILE *fd, int depth, const char *name, struct cds_list_head *declaration_list, - int has_body, struct declaration_scope *declaration_scope, + int has_body, struct cds_list_head *min_align, + struct declaration_scope *declaration_scope, struct ctf_trace *trace) { struct declaration_struct *struct_declaration; @@ -672,6 +768,8 @@ struct declaration *ctf_declaration_struct_visit(FILE *fd, declaration_scope); return &struct_declaration->p; } else { + uint64_t min_align_value = 0; + /* For unnamed struct, create type */ /* For named struct (with body), create type and add to declaration scope */ if (name) { @@ -682,12 +780,21 @@ struct declaration *ctf_declaration_struct_visit(FILE *fd, return NULL; } } - struct_declaration = struct_declaration_new(declaration_scope); + if (!cds_list_empty(min_align)) { + ret = get_unary_unsigned(min_align, &min_align_value); + if (ret) { + fprintf(fd, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__); + ret = -EINVAL; + goto error; + } + } + struct_declaration = struct_declaration_new(declaration_scope, + min_align_value); cds_list_for_each_entry(iter, declaration_list, siblings) { ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, struct_declaration, trace); if (ret) - goto error; + goto error_free_declaration; } if (name) { ret = register_struct_declaration(g_quark_from_string(name), @@ -697,8 +804,9 @@ struct declaration *ctf_declaration_struct_visit(FILE *fd, } return &struct_declaration->p; } -error: +error_free_declaration: struct_declaration->p.declaration_free(&struct_declaration->p); +error: return NULL; } @@ -1053,10 +1161,13 @@ struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, struct ctf_trace *trace) { struct ctf_node *expression; - uint64_t alignment, size; + uint64_t alignment = 1, size = 0; int byte_order = trace->byte_order; int signedness = 0; int has_alignment = 0, has_size = 0; + int base = 0; + enum ctf_string_encoding encoding = CTF_STRING_NONE; + struct ctf_clock *clock = NULL; struct declaration_integer *integer_declaration; cds_list_for_each_entry(expression, expressions, siblings) { @@ -1095,10 +1206,120 @@ struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, return NULL; } has_alignment = 1; + } else if (!strcmp(left->u.unary_expression.u.string, "base")) { + switch (right->u.unary_expression.type) { + case UNARY_UNSIGNED_CONSTANT: + switch (right->u.unary_expression.u.unsigned_constant) { + case 2: + case 8: + case 10: + case 16: + base = right->u.unary_expression.u.unsigned_constant; + break; + default: + fprintf(fd, "[error] %s: base not supported (%" PRIu64 ")\n", + __func__, right->u.unary_expression.u.unsigned_constant); + return NULL; + } + break; + case UNARY_STRING: + { + char *s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); + if (!s_right) { + fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); + g_free(s_right); + return NULL; + } + if (!strcmp(s_right, "decimal") || !strcmp(s_right, "dec") || !strcmp(s_right, "d") + || !strcmp(s_right, "i") || !strcmp(s_right, "u")) { + base = 10; + } else if (!strcmp(s_right, "hexadecimal") || !strcmp(s_right, "hex") + || !strcmp(s_right, "x") || !strcmp(s_right, "X") + || !strcmp(s_right, "p")) { + base = 16; + } else if (!strcmp(s_right, "octal") || !strcmp(s_right, "oct") + || !strcmp(s_right, "o")) { + base = 8; + } else if (!strcmp(s_right, "binary") || !strcmp(s_right, "b")) { + base = 2; + } else { + fprintf(fd, "[error] %s: unexpected expression for integer base (%s)\n", __func__, s_right); + g_free(s_right); + return NULL; + } + + g_free(s_right); + break; + } + default: + fprintf(fd, "[error] %s: base: expecting unsigned constant or unary string\n", + __func__); + return NULL; + } + } else if (!strcmp(left->u.unary_expression.u.string, "encoding")) { + char *s_right; + + if (right->u.unary_expression.type != UNARY_STRING) { + fprintf(fd, "[error] %s: encoding: expecting unary string\n", + __func__); + return NULL; + } + s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); + if (!s_right) { + fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); + g_free(s_right); + return NULL; + } + if (!strcmp(s_right, "UTF8") + || !strcmp(s_right, "utf8") + || !strcmp(s_right, "utf-8") + || !strcmp(s_right, "UTF-8")) + encoding = CTF_STRING_UTF8; + else if (!strcmp(s_right, "ASCII") + || !strcmp(s_right, "ascii")) + encoding = CTF_STRING_ASCII; + else if (!strcmp(s_right, "none")) + encoding = CTF_STRING_NONE; + else { + fprintf(fd, "[error] %s: unknown string encoding \"%s\"\n", __func__, s_right); + g_free(s_right); + return NULL; + } + g_free(s_right); + } else if (!strcmp(left->u.unary_expression.u.string, "map")) { + GQuark clock_name; + + if (right->u.unary_expression.type != UNARY_STRING) { + fprintf(fd, "[error] %s: map: expecting identifier\n", + __func__); + return NULL; + } + /* currently only support clock.name.value */ + clock_name = get_map_clock_name_value(&expression->u.ctf_expression.right); + if (!clock_name) { + char *s_right; + + s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); + if (!s_right) { + fprintf(fd, "[error] %s: unexpected unary expression for integer map\n", __func__); + g_free(s_right); + return NULL; + } + fprintf(fd, "[warning] %s: unknown map %s in integer declaration\n", __func__, + s_right); + g_free(s_right); + continue; + } + clock = trace_clock_lookup(trace, clock_name); + if (!clock) { + fprintf(fd, "[error] %s: map: unable to find clock %s declaration\n", + __func__, g_quark_to_string(clock_name)); + return NULL; + } } else { - fprintf(fd, "[error] %s: unknown attribute name %s\n", + fprintf(fd, "[warning] %s: unknown attribute name %s\n", __func__, left->u.unary_expression.u.string); - return NULL; + /* Fall-through after warning */ } } if (!has_size) { @@ -1115,7 +1336,8 @@ struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, } } integer_declaration = integer_declaration_new(size, - byte_order, signedness, alignment); + byte_order, signedness, alignment, + base, encoding, clock); return &integer_declaration->p; } @@ -1125,7 +1347,8 @@ struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, struct ctf_trace *trace) { struct ctf_node *expression; - uint64_t alignment, exp_dig, mant_dig, byte_order = trace->byte_order; + uint64_t alignment = 1, exp_dig = 0, mant_dig = 0, + byte_order = trace->byte_order; int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0; struct declaration_float *float_declaration; @@ -1170,9 +1393,9 @@ struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, } has_alignment = 1; } else { - fprintf(fd, "[error] %s: unknown attribute name %s\n", + fprintf(fd, "[warning] %s: unknown attribute name %s\n", __func__, left->u.unary_expression.u.string); - return NULL; + /* Fall-through after warning */ } } if (!has_mant_dig) { @@ -1221,9 +1444,9 @@ struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, } encoding_c = right->u.unary_expression.u.string; } else { - fprintf(fd, "[error] %s: unknown attribute name %s\n", + fprintf(fd, "[warning] %s: unknown attribute name %s\n", __func__, left->u.unary_expression.u.string); - return NULL; + /* Fall-through after warning */ } } if (encoding_c && !strcmp(encoding_c, "ASCII")) @@ -1265,6 +1488,7 @@ struct declaration *ctf_type_specifier_list_visit(FILE *fd, node->u._struct.name, &node->u._struct.declaration_list, node->u._struct.has_body, + &node->u._struct.min_align, declaration_scope, trace); case TYPESPEC_VARIANT: @@ -1425,6 +1649,39 @@ int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, stru goto error; } event->fields_decl = container_of(declaration, struct declaration_struct, p); + } else if (!strcmp(left, "loglevel.identifier")) { + char *right; + + if (CTF_EVENT_FIELD_IS_SET(event, loglevel_identifier)) { + fprintf(fd, "[error] %s: identifier already declared in event declaration\n", __func__); + ret = -EPERM; + goto error; + } + right = concatenate_unary_strings(&node->u.ctf_expression.right); + if (!right) { + fprintf(fd, "[error] %s: unexpected unary expression for event identifier\n", __func__); + ret = -EINVAL; + goto error; + } + event->loglevel_identifier = g_quark_from_string(right); + g_free(right); + CTF_EVENT_SET_FIELD(event, loglevel_identifier); + } else if (!strcmp(left, "loglevel.value")) { + if (CTF_EVENT_FIELD_IS_SET(event, loglevel_value)) { + fprintf(fd, "[error] %s: loglevel value already declared in event declaration\n", __func__); + ret = -EPERM; + goto error; + } + ret = get_unary_signed(&node->u.ctf_expression.right, &event->loglevel_value); + if (ret) { + fprintf(fd, "[error] %s: unexpected unary expression for event loglevel value\n", __func__); + ret = -EINVAL; + goto error; + } + CTF_EVENT_SET_FIELD(event, loglevel_value); + } else { + fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left); + /* Fall-through after warning */ } error: g_free(left); @@ -1445,7 +1702,6 @@ int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, int ret = 0; struct ctf_node *iter; struct ctf_event *event; - struct definition_scope *parent_def_scope; event = g_new0(struct ctf_event, 1); event->declaration_scope = new_declaration_scope(parent_declaration_scope); @@ -1488,38 +1744,15 @@ int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, g_ptr_array_set_size(event->stream->events_by_id, event->id + 1); g_ptr_array_index(event->stream->events_by_id, event->id) = event; g_hash_table_insert(event->stream->event_quark_to_id, - (gpointer)(unsigned long) event->name, + (gpointer) (unsigned long) event->name, &event->id); - parent_def_scope = event->stream->definition_scope; - if (event->context_decl) { - event->context = - container_of( - event->context_decl->p.definition_new(&event->context_decl->p, - parent_def_scope, 0, 0), - struct definition_struct, p); - set_dynamic_definition_scope(&event->context->p, - event->context->scope, - "event.context"); - parent_def_scope = event->context->scope; - declaration_unref(&event->context_decl->p); - } - if (event->fields_decl) { - event->fields = - container_of( - event->fields_decl->p.definition_new(&event->fields_decl->p, - parent_def_scope, 0, 0), - struct definition_struct, p); - set_dynamic_definition_scope(&event->fields->p, - event->fields->scope, - "event.fields"); - parent_def_scope = event->fields->scope; - declaration_unref(&event->fields_decl->p); - } return 0; error: - declaration_unref(&event->fields_decl->p); - declaration_unref(&event->context_decl->p); + if (event->fields_decl) + declaration_unref(&event->fields_decl->p); + if (event->context_decl) + declaration_unref(&event->context_decl->p); free_declaration_scope(event->declaration_scope); g_free(event); return ret; @@ -1630,7 +1863,11 @@ int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, str goto error; } stream->packet_context_decl = container_of(declaration, struct declaration_struct, p); + } else { + fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__, left); + /* Fall-through after warning */ } + error: g_free(left); break; @@ -1650,13 +1887,12 @@ int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, int ret = 0; struct ctf_node *iter; struct ctf_stream_class *stream; - struct definition_scope *parent_def_scope; stream = g_new0(struct ctf_stream_class, 1); stream->declaration_scope = new_declaration_scope(parent_declaration_scope); stream->events_by_id = g_ptr_array_new(); stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal); - stream->files = g_ptr_array_new(); + stream->streams = g_ptr_array_new(); if (node) { cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); @@ -1684,53 +1920,18 @@ int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, if (trace->streams->len <= stream->stream_id) g_ptr_array_set_size(trace->streams, stream->stream_id + 1); g_ptr_array_index(trace->streams, stream->stream_id) = stream; - - parent_def_scope = trace->definition_scope; - if (stream->packet_context_decl) { - stream->packet_context = - container_of( - stream->packet_context_decl->p.definition_new(&stream->packet_context_decl->p, - parent_def_scope, 0, 0), - struct definition_struct, p); - set_dynamic_definition_scope(&stream->packet_context->p, - stream->packet_context->scope, - "stream.packet.context"); - parent_def_scope = stream->packet_context->scope; - declaration_unref(&stream->packet_context_decl->p); - } - if (stream->event_header_decl) { - stream->event_header = - container_of( - stream->event_header_decl->p.definition_new(&stream->event_header_decl->p, - parent_def_scope, 0, 0), - struct definition_struct, p); - set_dynamic_definition_scope(&stream->event_header->p, - stream->event_header->scope, - "stream.event.header"); - parent_def_scope = stream->event_header->scope; - declaration_unref(&stream->event_header_decl->p); - } - if (stream->event_context_decl) { - stream->event_context = - container_of( - stream->event_context_decl->p.definition_new(&stream->event_context_decl->p, - parent_def_scope, 0, 0), - struct definition_struct, p); - set_dynamic_definition_scope(&stream->event_context->p, - stream->event_context->scope, - "stream.event.context"); - parent_def_scope = stream->event_context->scope; - declaration_unref(&stream->event_context_decl->p); - } - stream->definition_scope = parent_def_scope; + stream->trace = trace; return 0; error: - declaration_unref(&stream->event_header_decl->p); - declaration_unref(&stream->event_context_decl->p); - declaration_unref(&stream->packet_context_decl->p); - g_ptr_array_free(stream->files, TRUE); + if (stream->event_header_decl) + declaration_unref(&stream->event_header_decl->p); + if (stream->event_context_decl) + declaration_unref(&stream->event_context_decl->p); + if (stream->packet_context_decl) + declaration_unref(&stream->packet_context_decl->p); + g_ptr_array_free(stream->streams, TRUE); g_ptr_array_free(stream->events_by_id, TRUE); g_hash_table_destroy(stream->event_quark_to_id); free_declaration_scope(stream->declaration_scope); @@ -1793,32 +1994,51 @@ int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, stru } CTF_TRACE_SET_FIELD(trace, minor); } else if (!strcmp(left, "uuid")) { - if (CTF_TRACE_FIELD_IS_SET(trace, uuid)) { - fprintf(fd, "[error] %s: uuid already declared in trace declaration\n", __func__); - ret = -EPERM; - goto error; - } - ret = get_unary_uuid(&node->u.ctf_expression.right, &trace->uuid); + uuid_t uuid; + + ret = get_unary_uuid(&node->u.ctf_expression.right, &uuid); if (ret) { fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__); ret = -EINVAL; goto error; } + if (CTF_TRACE_FIELD_IS_SET(trace, uuid) + && uuid_compare(uuid, trace->uuid)) { + fprintf(fd, "[error] %s: uuid mismatch\n", __func__); + ret = -EPERM; + goto error; + } else { + memcpy(trace->uuid, uuid, sizeof(uuid)); + } CTF_TRACE_SET_FIELD(trace, uuid); } else if (!strcmp(left, "byte_order")) { struct ctf_node *right; int byte_order; - if (CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { - fprintf(fd, "[error] %s: endianness already declared in trace declaration\n", __func__); - ret = -EPERM; - goto error; - } right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); byte_order = get_trace_byte_order(fd, depth, right); if (byte_order < 0) return -EINVAL; - trace->byte_order = byte_order; + + if (CTF_TRACE_FIELD_IS_SET(trace, byte_order) + && byte_order != trace->byte_order) { + fprintf(fd, "[error] %s: endianness mismatch\n", __func__); + ret = -EPERM; + goto error; + } else { + if (byte_order != trace->byte_order) { + trace->byte_order = byte_order; + /* + * We need to restart + * construction of the + * intermediate representation. + */ + trace->field_mask = 0; + CTF_TRACE_SET_FIELD(trace, byte_order); + ret = -EINTR; + goto error; + } + } CTF_TRACE_SET_FIELD(trace, byte_order); } else if (!strcmp(left, "packet.header")) { struct declaration *declaration; @@ -1841,7 +2061,10 @@ int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, stru goto error; } trace->packet_header_decl = container_of(declaration, struct declaration_struct, p); + } else { + fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__, left); } + error: g_free(left); break; @@ -1857,7 +2080,6 @@ error: static int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) { - struct definition_scope *parent_def_scope; int ret = 0; struct ctf_node *iter; @@ -1891,40 +2113,186 @@ int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace goto error; } - parent_def_scope = NULL; - if (trace->packet_header_decl) { - trace->packet_header = - container_of( - trace->packet_header_decl->p.definition_new(&trace->packet_header_decl->p, - parent_def_scope, 0, 0), - struct definition_struct, p); - set_dynamic_definition_scope(&trace->packet_header->p, - trace->packet_header->scope, - "trace.packet.header"); - parent_def_scope = trace->packet_header->scope; - declaration_unref(&trace->packet_header_decl->p); - } - trace->definition_scope = parent_def_scope; - if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { /* check that the packet header contains a "magic" field */ - if (!trace->packet_header + if (!trace->packet_header_decl || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("magic")) < 0) { ret = -EPERM; fprintf(fd, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__); - goto error_free_def; + goto error; } } return 0; -error_free_def: - definition_unref(&trace->packet_header->p); error: + if (trace->packet_header_decl) { + declaration_unref(&trace->packet_header_decl->p); + trace->packet_header_decl = NULL; + } g_ptr_array_free(trace->streams, TRUE); free_declaration_scope(trace->declaration_scope); + trace->declaration_scope = NULL; + return ret; +} + +static +int ctf_clock_declaration_visit(FILE *fd, int depth, struct ctf_node *node, + struct ctf_clock *clock, struct ctf_trace *trace) +{ + int ret = 0; + + switch (node->type) { + case NODE_CTF_EXPRESSION: + { + char *left; + + left = concatenate_unary_strings(&node->u.ctf_expression.left); + if (!strcmp(left, "name")) { + char *right; + + if (CTF_CLOCK_FIELD_IS_SET(clock, name)) { + fprintf(fd, "[error] %s: name already declared in clock declaration\n", __func__); + ret = -EPERM; + goto error; + } + right = concatenate_unary_strings(&node->u.ctf_expression.right); + if (!right) { + fprintf(fd, "[error] %s: unexpected unary expression for clock name\n", __func__); + ret = -EINVAL; + goto error; + } + clock->name = g_quark_from_string(right); + g_free(right); + CTF_EVENT_SET_FIELD(clock, name); + } else if (!strcmp(left, "uuid")) { + char *right; + + if (clock->uuid) { + fprintf(fd, "[error] %s: uuid already declared in clock declaration\n", __func__); + ret = -EPERM; + goto error; + } + right = concatenate_unary_strings(&node->u.ctf_expression.right); + if (!right) { + fprintf(fd, "[error] %s: unexpected unary expression for clock uuid\n", __func__); + ret = -EINVAL; + goto error; + } + clock->uuid = g_quark_from_string(right); + g_free(right); + } else if (!strcmp(left, "description")) { + char *right; + + if (clock->description) { + fprintf(fd, "[warning] %s: duplicated clock description\n", __func__); + goto error; /* ret is 0, so not an actual error, just warn. */ + } + right = concatenate_unary_strings(&node->u.ctf_expression.right); + if (!right) { + fprintf(fd, "[warning] %s: unexpected unary expression for clock description\n", __func__); + goto error; /* ret is 0, so not an actual error, just warn. */ + } + clock->description = right; + } else if (!strcmp(left, "freq")) { + if (clock->freq) { + fprintf(fd, "[error] %s: freq already declared in clock declaration\n", __func__); + ret = -EPERM; + goto error; + } + ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->freq); + if (ret) { + fprintf(fd, "[error] %s: unexpected unary expression for clock freq\n", __func__); + ret = -EINVAL; + goto error; + } + } else if (!strcmp(left, "precision")) { + if (clock->precision) { + fprintf(fd, "[error] %s: precision already declared in clock declaration\n", __func__); + ret = -EPERM; + goto error; + } + ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->precision); + if (ret) { + fprintf(fd, "[error] %s: unexpected unary expression for clock precision\n", __func__); + ret = -EINVAL; + goto error; + } + } else if (!strcmp(left, "offset_s")) { + if (clock->offset_s) { + fprintf(fd, "[error] %s: offset_s already declared in clock declaration\n", __func__); + ret = -EPERM; + goto error; + } + ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->offset_s); + if (ret) { + fprintf(fd, "[error] %s: unexpected unary expression for clock offset_s\n", __func__); + ret = -EINVAL; + goto error; + } + } else if (!strcmp(left, "offset")) { + if (clock->offset) { + fprintf(fd, "[error] %s: offset already declared in clock declaration\n", __func__); + ret = -EPERM; + goto error; + } + ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->offset); + if (ret) { + fprintf(fd, "[error] %s: unexpected unary expression for clock offset\n", __func__); + ret = -EINVAL; + goto error; + } + } else { + fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in clock declaration.\n", __func__, left); + } + +error: + g_free(left); + break; + } + default: + return -EPERM; + /* TODO: declaration specifier should be added. */ + } + return ret; } +static +int ctf_clock_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) +{ + int ret = 0; + struct ctf_node *iter; + struct ctf_clock *clock; + + clock = g_new0(struct ctf_clock, 1); + cds_list_for_each_entry(iter, &node->u.clock.declaration_list, siblings) { + ret = ctf_clock_declaration_visit(fd, depth + 1, iter, clock, trace); + if (ret) + goto error; + } + if (!CTF_CLOCK_FIELD_IS_SET(clock, name)) { + ret = -EPERM; + fprintf(fd, "[error] %s: missing namefield in clock declaration\n", __func__); + goto error; + } + g_hash_table_insert(trace->clocks, (gpointer) (unsigned long) clock->name, clock); + return 0; + +error: + g_free(clock->description); + g_free(clock); + return ret; +} + +static +void clock_free(gpointer data) +{ + struct ctf_clock *clock = data; + + g_free(clock->description); + g_free(clock); +} + static int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) { @@ -1970,43 +2338,74 @@ int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struc return 0; } +/* TODO: missing metadata "destroy" (memory leak) */ int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace, int byte_order) { int ret = 0; struct ctf_node *iter; + int clock_done = 0; printf_verbose("CTF visitor: metadata construction... "); - trace->root_declaration_scope = new_declaration_scope(NULL); trace->byte_order = byte_order; + trace->clocks = g_hash_table_new_full(g_direct_hash, g_direct_equal, + NULL, clock_free); + +retry: + trace->root_declaration_scope = new_declaration_scope(NULL); switch (node->type) { case NODE_ROOT: + if (!clock_done) { + /* + * declarations need to query clock hash table, + * so clock need to be treated first. + */ + cds_list_for_each_entry(iter, &node->u.root.clock, siblings) { + ret = ctf_clock_visit(fd, depth + 1, iter, + trace); + if (ret) { + fprintf(fd, "[error] %s: clock declaration error\n", __func__); + goto error; + } + } + clock_done = 1; + } cds_list_for_each_entry(iter, &node->u.root.declaration_list, siblings) { ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace); if (ret) { fprintf(fd, "[error] %s: root declaration error\n", __func__); - return ret; + goto error; } } cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { ret = ctf_trace_visit(fd, depth + 1, iter, trace); + if (ret == -EINTR) { + free_declaration_scope(trace->root_declaration_scope); + /* + * Need to restart creation of type + * definitions, aliases and + * trace header declarations. + */ + goto retry; + } if (ret) { fprintf(fd, "[error] %s: trace declaration error\n", __func__); - return ret; + goto error; } } if (!trace->streams) { fprintf(fd, "[error] %s: missing trace declaration\n", __func__); - return -EINVAL; + ret = -EINVAL; + goto error; } cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { ret = ctf_stream_visit(fd, depth + 1, iter, trace->root_declaration_scope, trace); if (ret) { fprintf(fd, "[error] %s: stream declaration error\n", __func__); - return ret; + goto error; } } cds_list_for_each_entry(iter, &node->u.root.event, siblings) { @@ -2014,7 +2413,7 @@ int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, trace->root_declaration_scope, trace); if (ret) { fprintf(fd, "[error] %s: event declaration error\n", __func__); - return ret; + goto error; } } break; @@ -2022,8 +2421,14 @@ int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, default: fprintf(fd, "[error] %s: unknown node type %d\n", __func__, (int) node->type); - return -EINVAL; + ret = -EINVAL; + goto error; } printf_verbose("done.\n"); return ret; + +error: + free_declaration_scope(trace->root_declaration_scope); + g_hash_table_destroy(trace->clocks); + return ret; }