X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf%2Fmetadata%2Fctf-visitor-generate-io-struct.c;h=500482f57f03f5c77b445dc92938a12b4fe779c2;hp=23734284678996cc0ee0ddd16e4b82df2dc042e2;hb=65052a932f6d07ea266658c6844e2049c7ecd113;hpb=b7e35badc2eac52e27b802a9078bfb7c8f3b04a7 diff --git a/formats/ctf/metadata/ctf-visitor-generate-io-struct.c b/formats/ctf/metadata/ctf-visitor-generate-io-struct.c index 23734284..500482f5 100644 --- a/formats/ctf/metadata/ctf-visitor-generate-io-struct.c +++ b/formats/ctf/metadata/ctf-visitor-generate-io-struct.c @@ -23,21 +23,31 @@ #include #include #include -#include #include -#include +#include #include #include #include -#include +#include +#include +#include #include "ctf-scanner.h" #include "ctf-parser.h" #include "ctf-ast.h" #define fprintf_dbg(fd, fmt, args...) fprintf(fd, "%s: " fmt, __func__, ## args) -#define _cds_list_first_entry(ptr, type, member) \ - cds_list_entry((ptr)->next, type, member) +#define _bt_list_first_entry(ptr, type, member) \ + bt_list_entry((ptr)->next, type, member) + +struct last_enum_value { + union { + int64_t s; + uint64_t u; + } u; +}; + +int opt_clock_force_correlate; static struct declaration *ctf_type_specifier_list_visit(FILE *fd, @@ -49,18 +59,32 @@ static int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace); +static +int is_unary_string(struct bt_list_head *head) +{ + struct ctf_node *node; + + bt_list_for_each_entry(node, head, siblings) { + if (node->type != NODE_UNARY_EXPRESSION) + return 0; + if (node->u.unary_expression.type != UNARY_STRING) + return 0; + } + return 1; +} + /* * String returned must be freed by the caller using g_free. */ static -char *concatenate_unary_strings(struct cds_list_head *head) +char *concatenate_unary_strings(struct bt_list_head *head) { struct ctf_node *node; GString *str; int i = 0; str = g_string_new(""); - cds_list_for_each_entry(node, head, siblings) { + bt_list_for_each_entry(node, head, siblings) { char *src_string; assert(node->type == NODE_UNARY_EXPRESSION); @@ -88,12 +112,70 @@ char *concatenate_unary_strings(struct cds_list_head *head) } static -int get_unary_unsigned(struct cds_list_head *head, uint64_t *value) +GQuark get_map_clock_name_value(struct bt_list_head *head) +{ + struct ctf_node *node; + const char *name = NULL; + int i = 0; + + bt_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 is_unary_unsigned(struct bt_list_head *head) +{ + struct ctf_node *node; + + bt_list_for_each_entry(node, head, siblings) { + if (node->type != NODE_UNARY_EXPRESSION) + return 0; + if (node->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) + return 0; + } + return 1; +} + +static +int get_unary_unsigned(struct bt_list_head *head, uint64_t *value) { struct ctf_node *node; int i = 0; - cds_list_for_each_entry(node, head, siblings) { + bt_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); @@ -105,13 +187,54 @@ int get_unary_unsigned(struct cds_list_head *head, uint64_t *value) } static -int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid) +int is_unary_signed(struct bt_list_head *head) +{ + struct ctf_node *node; + + bt_list_for_each_entry(node, head, siblings) { + if (node->type != NODE_UNARY_EXPRESSION) + return 0; + if (node->u.unary_expression.type != UNARY_SIGNED_CONSTANT) + return 0; + } + return 1; +} + +static +int get_unary_signed(struct bt_list_head *head, int64_t *value) +{ + struct ctf_node *node; + int i = 0; + + bt_list_for_each_entry(node, head, siblings) { + assert(node->type == NODE_UNARY_EXPRESSION); + assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT + || node->u.unary_expression.type == UNARY_SIGNED_CONSTANT); + assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); + assert(i == 0); + switch (node->u.unary_expression.type) { + case UNARY_UNSIGNED_CONSTANT: + *value = (int64_t) node->u.unary_expression.u.unsigned_constant; + break; + case UNARY_SIGNED_CONSTANT: + *value = node->u.unary_expression.u.signed_constant; + break; + default: + assert(0); + } + i++; + } + return 0; +} + +static +int get_unary_uuid(struct bt_list_head *head, unsigned char *uuid) { struct ctf_node *node; int i = 0; int ret = -1; - cds_list_for_each_entry(node, head, siblings) { + bt_list_for_each_entry(node, head, siblings) { const char *src_string; assert(node->type == NODE_UNARY_EXPRESSION); @@ -119,19 +242,25 @@ 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 = babeltrace_uuid_parse(src_string, uuid); } return ret; } static -struct ctf_stream_class *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id) +struct ctf_stream_declaration *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id) { if (trace->streams->len <= stream_id) return NULL; 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) { @@ -234,7 +363,7 @@ int visit_type_specifier_list(FILE *fd, struct ctf_node *type_specifier_list, GS int alias_item_nr = 0; int ret; - cds_list_for_each_entry(iter, &type_specifier_list->u.type_specifier_list.head, siblings) { + bt_list_for_each_entry(iter, &type_specifier_list->u.type_specifier_list.head, siblings) { if (alias_item_nr != 0) g_string_append(str, " "); alias_item_nr++; @@ -262,7 +391,7 @@ GQuark create_typealias_identifier(FILE *fd, int depth, g_string_free(str, TRUE); return 0; } - cds_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) { + bt_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) { g_string_append(str, " *"); if (iter->u.pointer.const_qualifier) g_string_append(str, " const"); @@ -299,7 +428,7 @@ struct declaration *ctf_type_declarator_visit(FILE *fd, int depth, } if (!nested_declaration) { - if (node_type_declarator && !cds_list_empty(&node_type_declarator->u.type_declarator.pointers)) { + if (node_type_declarator && !bt_list_empty(&node_type_declarator->u.type_declarator.pointers)) { GQuark alias_q; /* @@ -313,6 +442,23 @@ 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 +476,52 @@ 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 (bt_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 = _bt_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); + 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; } - 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); - return NULL; - } - - sequence_declaration = sequence_declaration_new(integer_declaration, - nested_declaration, declaration_scope); declaration = &sequence_declaration->p; break; } @@ -401,14 +542,14 @@ static int ctf_struct_type_declarators_visit(FILE *fd, int depth, struct declaration_struct *struct_declaration, struct ctf_node *type_specifier_list, - struct cds_list_head *type_declarators, + struct bt_list_head *type_declarators, struct declaration_scope *declaration_scope, struct ctf_trace *trace) { struct ctf_node *iter; GQuark field_name; - cds_list_for_each_entry(iter, type_declarators, siblings) { + bt_list_for_each_entry(iter, type_declarators, siblings) { struct declaration *field_declaration; field_declaration = ctf_type_declarator_visit(fd, depth, @@ -420,6 +561,13 @@ 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); @@ -431,14 +579,14 @@ static int ctf_variant_type_declarators_visit(FILE *fd, int depth, struct declaration_untagged_variant *untagged_variant_declaration, struct ctf_node *type_specifier_list, - struct cds_list_head *type_declarators, + struct bt_list_head *type_declarators, struct declaration_scope *declaration_scope, struct ctf_trace *trace) { struct ctf_node *iter; GQuark field_name; - cds_list_for_each_entry(iter, type_declarators, siblings) { + bt_list_for_each_entry(iter, type_declarators, siblings) { struct declaration *field_declaration; field_declaration = ctf_type_declarator_visit(fd, depth, @@ -450,6 +598,13 @@ 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); @@ -460,13 +615,13 @@ int ctf_variant_type_declarators_visit(FILE *fd, int depth, static int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope, struct ctf_node *type_specifier_list, - struct cds_list_head *type_declarators, + struct bt_list_head *type_declarators, struct ctf_trace *trace) { struct ctf_node *iter; GQuark identifier; - cds_list_for_each_entry(iter, type_declarators, siblings) { + bt_list_for_each_entry(iter, type_declarators, siblings) { struct declaration *type_declaration; int ret; @@ -513,10 +668,10 @@ int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, * Create target type declaration. */ - if (cds_list_empty(&target->u.typealias_target.type_declarators)) + if (bt_list_empty(&target->u.typealias_target.type_declarators)) node = NULL; else - node = _cds_list_first_entry(&target->u.typealias_target.type_declarators, + node = _bt_list_first_entry(&target->u.typealias_target.type_declarators, struct ctf_node, siblings); type_declaration = ctf_type_declarator_visit(fd, depth, target->u.typealias_target.type_specifier_list, @@ -549,7 +704,7 @@ int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, * Create alias identifier. */ - node = _cds_list_first_entry(&alias->u.typealias_alias.type_declarators, + node = _bt_list_first_entry(&alias->u.typealias_alias.type_declarators, struct ctf_node, siblings); alias_q = create_typealias_identifier(fd, depth, alias->u.typealias_alias.type_specifier_list, node); @@ -559,7 +714,9 @@ 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; } @@ -652,8 +809,8 @@ 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 cds_list_head *min_align, + int depth, const char *name, struct bt_list_head *declaration_list, + int has_body, struct bt_list_head *min_align, struct declaration_scope *declaration_scope, struct ctf_trace *trace) { @@ -685,7 +842,7 @@ struct declaration *ctf_declaration_struct_visit(FILE *fd, return NULL; } } - if (!cds_list_empty(min_align)) { + if (!bt_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__); @@ -695,11 +852,11 @@ struct declaration *ctf_declaration_struct_visit(FILE *fd, } struct_declaration = struct_declaration_new(declaration_scope, min_align_value); - cds_list_for_each_entry(iter, declaration_list, siblings) { + bt_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), @@ -709,15 +866,16 @@ 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; } static struct declaration *ctf_declaration_variant_visit(FILE *fd, int depth, const char *name, const char *choice, - struct cds_list_head *declaration_list, + struct bt_list_head *declaration_list, int has_body, struct declaration_scope *declaration_scope, struct ctf_trace *trace) { @@ -748,7 +906,7 @@ struct declaration *ctf_declaration_variant_visit(FILE *fd, } } untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope); - cds_list_for_each_entry(iter, declaration_list, siblings) { + bt_list_for_each_entry(iter, declaration_list, siblings) { ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, untagged_variant_declaration, trace); if (ret) @@ -782,7 +940,8 @@ error: static int ctf_enumerator_list_visit(FILE *fd, int depth, struct ctf_node *enumerator, - struct declaration_enum *enum_declaration) + struct declaration_enum *enum_declaration, + struct last_enum_value *last) { GQuark q; struct ctf_node *iter; @@ -792,7 +951,7 @@ int ctf_enumerator_list_visit(FILE *fd, int depth, int64_t start, end; int nr_vals = 0; - cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { + bt_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { int64_t *target; assert(iter->type == NODE_UNARY_EXPRESSION); @@ -818,14 +977,17 @@ int ctf_enumerator_list_visit(FILE *fd, int depth, } nr_vals++; } - if (nr_vals == 1) + if (nr_vals == 0) + start = last->u.s; + if (nr_vals <= 1) end = start; + last->u.s = end + 1; enum_signed_insert(enum_declaration, start, end, q); } else { uint64_t start, end; int nr_vals = 0; - cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { + bt_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { uint64_t *target; assert(iter->type == NODE_UNARY_EXPRESSION); @@ -855,8 +1017,11 @@ int ctf_enumerator_list_visit(FILE *fd, int depth, } nr_vals++; } - if (nr_vals == 1) + if (nr_vals == 0) + start = last->u.u; + if (nr_vals <= 1) end = start; + last->u.u = end + 1; enum_unsigned_insert(enum_declaration, start, end, q); } return 0; @@ -866,7 +1031,7 @@ static struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, const char *name, struct ctf_node *container_type, - struct cds_list_head *enumerator_list, + struct bt_list_head *enumerator_list, int has_body, struct declaration_scope *declaration_scope, struct ctf_trace *trace) @@ -874,6 +1039,7 @@ struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, struct declaration *declaration; struct declaration_enum *enum_declaration; struct declaration_integer *integer_declaration; + struct last_enum_value last_value; struct ctf_node *iter; GQuark dummy_id; int ret; @@ -925,8 +1091,14 @@ struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, integer_declaration = container_of(declaration, struct declaration_integer, p); enum_declaration = enum_declaration_new(integer_declaration); declaration_unref(&integer_declaration->p); /* leave ref to enum */ - cds_list_for_each_entry(iter, enumerator_list, siblings) { - ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration); + if (enum_declaration->integer_declaration->signedness) { + last_value.u.s = 0; + } else { + last_value.u.u = 0; + } + bt_list_for_each_entry(iter, enumerator_list, siblings) { + ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration, + &last_value); if (ret) goto error; } @@ -1061,21 +1233,24 @@ int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression, static struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, - struct cds_list_head *expressions, + struct bt_list_head *expressions, 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) { + bt_list_for_each_entry(expression, expressions, siblings) { struct ctf_node *left, *right; - left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); - right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); + left = _bt_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); + right = _bt_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); assert(left->u.unary_expression.type == UNARY_STRING); if (!strcmp(left->u.unary_expression.u.string, "signed")) { signedness = get_boolean(fd, depth, right); @@ -1107,10 +1282,120 @@ 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) { @@ -1127,25 +1412,27 @@ 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; } static struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, - struct cds_list_head *expressions, + struct bt_list_head *expressions, 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; - cds_list_for_each_entry(expression, expressions, siblings) { + bt_list_for_each_entry(expression, expressions, siblings) { struct ctf_node *left, *right; - left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); - right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); + left = _bt_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); + right = _bt_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); assert(left->u.unary_expression.type == UNARY_STRING); if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { byte_order = get_byte_order(fd, depth, right, trace); @@ -1182,9 +1469,9 @@ 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) { @@ -1211,7 +1498,7 @@ struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, static struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, - struct cds_list_head *expressions, + struct bt_list_head *expressions, struct ctf_trace *trace) { struct ctf_node *expression; @@ -1219,11 +1506,11 @@ struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, enum ctf_string_encoding encoding = CTF_STRING_UTF8; struct declaration_string *string_declaration; - cds_list_for_each_entry(expression, expressions, siblings) { + bt_list_for_each_entry(expression, expressions, siblings) { struct ctf_node *left, *right; - left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); - right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); + left = _bt_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); + right = _bt_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); assert(left->u.unary_expression.type == UNARY_STRING); if (!strcmp(left->u.unary_expression.u.string, "encoding")) { if (right->u.unary_expression.type != UNARY_STRING) { @@ -1233,9 +1520,9 @@ 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")) @@ -1256,7 +1543,7 @@ struct declaration *ctf_type_specifier_list_visit(FILE *fd, assert(type_specifier_list->type == NODE_TYPE_SPECIFIER_LIST); - first = _cds_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); + first = _bt_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); assert(first->type == NODE_TYPE_SPECIFIER); @@ -1320,7 +1607,7 @@ struct declaration *ctf_type_specifier_list_visit(FILE *fd, } static -int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace) +int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event_declaration *event, struct ctf_trace *trace) { int ret = 0; @@ -1405,7 +1692,7 @@ int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, stru goto error; } declaration = ctf_type_specifier_list_visit(fd, depth, - _cds_list_first_entry(&node->u.ctf_expression.right, + _bt_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings), event->declaration_scope, trace); if (!declaration) { @@ -1426,7 +1713,7 @@ int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, stru goto error; } declaration = ctf_type_specifier_list_visit(fd, depth, - _cds_list_first_entry(&node->u.ctf_expression.right, + _bt_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings), event->declaration_scope, trace); if (!declaration) { @@ -1438,6 +1725,25 @@ 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")) { + int64_t loglevel = -1; + + if (CTF_EVENT_FIELD_IS_SET(event, loglevel)) { + fprintf(fd, "[error] %s: loglevel already declared in event declaration\n", __func__); + ret = -EPERM; + goto error; + } + ret = get_unary_signed(&node->u.ctf_expression.right, &loglevel); + if (ret) { + fprintf(fd, "[error] %s: unexpected unary expression for event loglevel\n", __func__); + ret = -EINVAL; + goto error; + } + event->loglevel = (int) loglevel; + CTF_EVENT_SET_FIELD(event, loglevel); + } else { + fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left); + /* Fall-through after warning */ } error: g_free(left); @@ -1457,12 +1763,14 @@ 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; + struct ctf_event_declaration *event; + struct bt_ctf_event_decl *event_decl; - event = g_new0(struct ctf_event, 1); + event_decl = g_new0(struct bt_ctf_event_decl, 1); + event = &event_decl->parent; event->declaration_scope = new_declaration_scope(parent_declaration_scope); - cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { + event->loglevel = -1; + bt_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); if (ret) goto error; @@ -1501,46 +1809,24 @@ 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); - } + g_ptr_array_add(trace->event_declarations, event_decl); 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); + g_free(event_decl); return ret; } static -int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_class *stream, struct ctf_trace *trace) +int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_declaration *stream, struct ctf_trace *trace) { int ret = 0; @@ -1589,7 +1875,7 @@ int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, str goto error; } declaration = ctf_type_specifier_list_visit(fd, depth, - _cds_list_first_entry(&node->u.ctf_expression.right, + _bt_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings), stream->declaration_scope, trace); if (!declaration) { @@ -1610,7 +1896,7 @@ int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, str goto error; } declaration = ctf_type_specifier_list_visit(fd, depth, - _cds_list_first_entry(&node->u.ctf_expression.right, + _bt_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings), stream->declaration_scope, trace); if (!declaration) { @@ -1631,7 +1917,7 @@ int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, str goto error; } declaration = ctf_type_specifier_list_visit(fd, depth, - _cds_list_first_entry(&node->u.ctf_expression.right, + _bt_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings), stream->declaration_scope, trace); if (!declaration) { @@ -1643,7 +1929,11 @@ 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; @@ -1662,16 +1952,15 @@ 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; + struct ctf_stream_declaration *stream; - stream = g_new0(struct ctf_stream_class, 1); + stream = g_new0(struct ctf_stream_declaration, 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) { + bt_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); if (ret) goto error; @@ -1697,53 +1986,18 @@ 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); @@ -1806,32 +2060,51 @@ 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); + unsigned char uuid[BABELTRACE_UUID_LEN]; + + 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) + && babeltrace_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); + right = _bt_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; @@ -1842,7 +2115,7 @@ int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, stru goto error; } declaration = ctf_type_specifier_list_visit(fd, depth, - _cds_list_first_entry(&node->u.ctf_expression.right, + _bt_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings), trace->declaration_scope, trace); if (!declaration) { @@ -1854,7 +2127,10 @@ 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; @@ -1870,7 +2146,6 @@ 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; @@ -1878,7 +2153,8 @@ int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace return -EEXIST; trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope); trace->streams = g_ptr_array_new(); - cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { + trace->event_declarations = g_ptr_array_new(); + bt_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); if (ret) goto error; @@ -1893,51 +2169,412 @@ int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__); goto error; } - if (!CTF_TRACE_FIELD_IS_SET(trace, uuid)) { - ret = -EPERM; - fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__); - goto error; - } if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { ret = -EPERM; fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__); 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); + g_ptr_array_free(trace->event_declarations, 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_CLOCK_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 (CTF_CLOCK_FIELD_IS_SET(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; + } + CTF_CLOCK_SET_FIELD(clock, freq); + } 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 if (!strcmp(left, "absolute")) { + struct ctf_node *right; + + right = _bt_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); + ret = get_boolean(fd, depth, right); + if (ret < 0) { + fprintf(fd, "[error] %s: unexpected \"absolute\" right member\n", __func__); + ret = -EINVAL; + goto error; + } + clock->absolute = ret; + } 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); + /* Default clock frequency is set to 1000000000 */ + clock->freq = 1000000000ULL; + bt_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 (opt_clock_force_correlate) { + /* + * User requested to forcibly correlate the clock + * sources, even if we have no correlatation + * information. + */ + if (!clock->absolute) { + fprintf(fd, "[warning] Forcibly correlating trace clock sources (--clock-force-correlate).\n"); + } + clock->absolute = 1; + } + if (!CTF_CLOCK_FIELD_IS_SET(clock, name)) { + ret = -EPERM; + fprintf(fd, "[error] %s: missing namefield in clock declaration\n", __func__); + goto error; + } + if (g_hash_table_size(trace->clocks) > 0) { + fprintf(fd, "[error] Only CTF traces with a single clock description are supported by this babeltrace version.\n"); + ret = -EINVAL; + goto error; + } + trace->single_clock = clock; + 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 ctf_clock_default(FILE *fd, int depth, struct ctf_trace *trace) +{ + struct ctf_clock *clock; + + clock = g_new0(struct ctf_clock, 1); + clock->name = g_quark_from_string("monotonic"); + clock->uuid = 0; + clock->description = g_strdup("Default clock"); + /* Default clock frequency is set to 1000000000 */ + clock->freq = 1000000000ULL; + if (opt_clock_force_correlate) { + /* + * User requested to forcibly correlate the clock + * sources, even if we have no correlatation + * information. + */ + if (!clock->absolute) { + fprintf(fd, "[warning] Forcibly correlating trace clock sources (--clock-force-correlate).\n"); + } + clock->absolute = 1; + } else { + clock->absolute = 0; /* Not an absolute reference across traces */ + } + + trace->single_clock = clock; + g_hash_table_insert(trace->clocks, (gpointer) (unsigned long) clock->name, clock); +} + +static +void clock_free(gpointer data) +{ + struct ctf_clock *clock = data; + + g_free(clock->description); + g_free(clock); +} + +static +int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node, + struct ctf_trace *trace) +{ + int ret = 0; + struct ctf_tracer_env *env = &trace->env; + + switch (node->type) { + case NODE_CTF_EXPRESSION: + { + char *left; + + left = concatenate_unary_strings(&node->u.ctf_expression.left); + if (!strcmp(left, "vpid")) { + uint64_t v; + + if (env->vpid != -1) { + fprintf(fd, "[error] %s: vpid already declared in env declaration\n", __func__); + goto error; /* ret is 0, so not an actual error, just warn. */ + } + ret = get_unary_unsigned(&node->u.ctf_expression.right, &v); + if (ret) { + fprintf(fd, "[error] %s: unexpected unary expression for env vpid\n", __func__); + goto error; /* ret is 0, so not an actual error, just warn. */ + } + env->vpid = (int) v; + printf_verbose("env.vpid = %d\n", env->vpid); + } else if (!strcmp(left, "procname")) { + char *right; + + if (env->procname[0]) { + fprintf(fd, "[warning] %s: duplicated env procname\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 env procname\n", __func__); + goto error; /* ret is 0, so not an actual error, just warn. */ + } + strncpy(env->procname, right, TRACER_ENV_LEN); + env->procname[TRACER_ENV_LEN - 1] = '\0'; + printf_verbose("env.procname = \"%s\"\n", env->procname); + } else if (!strcmp(left, "domain")) { + char *right; + + if (env->domain[0]) { + fprintf(fd, "[warning] %s: duplicated env domain\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 env domain\n", __func__); + goto error; /* ret is 0, so not an actual error, just warn. */ + } + strncpy(env->domain, right, TRACER_ENV_LEN); + env->domain[TRACER_ENV_LEN - 1] = '\0'; + printf_verbose("env.domain = \"%s\"\n", env->domain); + } else if (!strcmp(left, "sysname")) { + char *right; + + if (env->sysname[0]) { + fprintf(fd, "[warning] %s: duplicated env sysname\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 env sysname\n", __func__); + goto error; /* ret is 0, so not an actual error, just warn. */ + } + strncpy(env->sysname, right, TRACER_ENV_LEN); + env->sysname[TRACER_ENV_LEN - 1] = '\0'; + printf_verbose("env.sysname = \"%s\"\n", env->sysname); + } else if (!strcmp(left, "kernel_release")) { + char *right; + + if (env->release[0]) { + fprintf(fd, "[warning] %s: duplicated env release\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 env release\n", __func__); + goto error; /* ret is 0, so not an actual error, just warn. */ + } + strncpy(env->release, right, TRACER_ENV_LEN); + env->release[TRACER_ENV_LEN - 1] = '\0'; + printf_verbose("env.release = \"%s\"\n", env->release); + } else if (!strcmp(left, "kernel_version")) { + char *right; + + if (env->version[0]) { + fprintf(fd, "[warning] %s: duplicated env version\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 env version\n", __func__); + goto error; /* ret is 0, so not an actual error, just warn. */ + } + strncpy(env->version, right, TRACER_ENV_LEN); + env->version[TRACER_ENV_LEN - 1] = '\0'; + printf_verbose("env.version = \"%s\"\n", env->version); + } else { + if (is_unary_string(&node->u.ctf_expression.right)) { + char *right; + + right = concatenate_unary_strings(&node->u.ctf_expression.right); + printf_verbose("env.%s = \"%s\"\n", left, right); + } else if (is_unary_unsigned(&node->u.ctf_expression.right)) { + uint64_t v; + int ret; + + ret = get_unary_unsigned(&node->u.ctf_expression.right, &v); + assert(ret == 0); + printf_verbose("env.%s = %" PRIu64 "\n", left, v); + } else if (is_unary_signed(&node->u.ctf_expression.right)) { + int64_t v; + int ret; + + ret = get_unary_signed(&node->u.ctf_expression.right, &v); + assert(ret == 0); + printf_verbose("env.%s = %" PRId64 "\n", left, v); + } else { + printf_verbose("%s: attribute \"%s\" has unknown type.\n", __func__, left); + } + } + +error: + g_free(left); + break; + } + default: + return -EPERM; + } + + return ret; +} + +static +int ctf_env_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) +{ + int ret = 0; + struct ctf_node *iter; + + trace->env.vpid = -1; + trace->env.procname[0] = '\0'; + trace->env.domain[0] = '\0'; + trace->env.sysname[0] = '\0'; + trace->env.release[0] = '\0'; + trace->env.version[0] = '\0'; + bt_list_for_each_entry(iter, &node->u.env.declaration_list, siblings) { + ret = ctf_env_declaration_visit(fd, depth + 1, iter, trace); + if (ret) + goto error; + } +error: + return 0; +} + static int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) { @@ -1983,52 +2620,93 @@ 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 env_clock_done = 0; printf_verbose("CTF visitor: metadata construction... "); - trace->root_declaration_scope = new_declaration_scope(NULL); - trace->streams = g_ptr_array_new(); 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: - cds_list_for_each_entry(iter, &node->u.root.declaration_list, + if (!env_clock_done) { + /* + * declarations need to query clock hash table, + * so clock need to be treated first. + */ + if (bt_list_empty(&node->u.root.clock)) { + ctf_clock_default(fd, depth + 1, trace); + } else { + bt_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; + } + } + } + env_clock_done = 1; + } + bt_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) { + bt_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) { + bt_list_for_each_entry(iter, &node->u.root.env, siblings) { + ret = ctf_env_visit(fd, depth + 1, iter, trace); + if (ret) { + fprintf(fd, "[error] %s: env declaration error\n", __func__); + goto error; + } + } + bt_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) { + bt_list_for_each_entry(iter, &node->u.root.event, siblings) { ret = ctf_event_visit(fd, depth + 1, iter, trace->root_declaration_scope, trace); if (ret) { fprintf(fd, "[error] %s: event declaration error\n", __func__); - return ret; + goto error; } } break; @@ -2036,8 +2714,14 @@ 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; }