X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=types%2Finteger.c;h=52cc6bb682fa6baad78c2c0036b2d44eebeab5cf;hp=7b2a3a97437f4053a3c70aad8a95d5601b89f060;hb=12471830622f2f6e67bb14e3fdb112c70a5dbe5e;hpb=bed864a75d2315c344a6e625db66ae9bfbc51e27 diff --git a/types/integer.c b/types/integer.c index 7b2a3a97..52cc6bb6 100644 --- a/types/integer.c +++ b/types/integer.c @@ -1,82 +1,203 @@ /* + * integer.c + * * BabelTrace - Integer Type Converter * - * Copyright (c) 2010 Mathieu Desnoyers + * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation + * + * Author: Mathieu Desnoyers * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. */ #include #include +#include #include #include -size_t integer_copy(unsigned char *dest, const struct format *fdest, - const unsigned char *src, const struct format *fsrc, - const struct type_class *type_class) +static +struct bt_definition *_integer_definition_new(struct bt_declaration *declaration, + struct definition_scope *parent_scope, + GQuark field_name, int index, + const char *root_name); +static +void _integer_definition_free(struct bt_definition *definition); + +static +void _integer_declaration_free(struct bt_declaration *declaration) { - struct type_class_integer *int_class = - container_of(type_class, struct type_class_integer, p); + struct declaration_integer *integer_declaration = + container_of(declaration, struct declaration_integer, p); + g_free(integer_declaration); +} - if (!int_class->signedness) { - uint64_t v; +struct declaration_integer * + bt_integer_declaration_new(size_t len, int byte_order, + int signedness, size_t alignment, int base, + enum ctf_string_encoding encoding, + struct ctf_clock *clock) +{ + struct declaration_integer *integer_declaration; - v = fsrc->uint_read(src, int_class); - return fdest->uint_write(dest, int_class, v); - } else { - int64_t v; + integer_declaration = g_new0(struct declaration_integer, 1); + integer_declaration->p.id = CTF_TYPE_INTEGER; + integer_declaration->p.alignment = alignment; + integer_declaration->p.declaration_free = _integer_declaration_free; + integer_declaration->p.definition_free = _integer_definition_free; + integer_declaration->p.definition_new = _integer_definition_new; + integer_declaration->p.ref = 1; + integer_declaration->len = len; + integer_declaration->byte_order = byte_order; + integer_declaration->signedness = signedness; + integer_declaration->base = base; + integer_declaration->encoding = encoding; + integer_declaration->clock = clock; + return integer_declaration; +} - v = fsrc->int_read(src, int_class); - return fdest->int_write(dest, int_class, v); - } +static +struct bt_definition * + _integer_definition_new(struct bt_declaration *declaration, + struct definition_scope *parent_scope, + GQuark field_name, int index, + const char *root_name) +{ + struct declaration_integer *integer_declaration = + container_of(declaration, struct declaration_integer, p); + struct definition_integer *integer; + int ret; + + integer = g_new0(struct definition_integer, 1); + bt_declaration_ref(&integer_declaration->p); + integer->p.declaration = declaration; + integer->declaration = integer_declaration; + integer->p.ref = 1; + /* + * Use INT_MAX order to ensure that all fields of the parent + * scope are seen as being prior to this scope. + */ + integer->p.index = root_name ? INT_MAX : index; + integer->p.name = field_name; + integer->p.path = bt_new_definition_path(parent_scope, field_name, + root_name); + integer->p.scope = NULL; + integer->value._unsigned = 0; + ret = bt_register_field_definition(field_name, &integer->p, + parent_scope); + assert(!ret); + return &integer->p; } -void integer_type_free(struct type_class_integer *int_class) +static +void _integer_definition_free(struct bt_definition *definition) { - g_free(int_class); + struct definition_integer *integer = + container_of(definition, struct definition_integer, p); + + bt_declaration_unref(integer->p.declaration); + g_free(integer); } -static void _integer_type_free(struct type_class *type_class) +enum ctf_string_encoding bt_get_int_encoding(const struct bt_definition *field) { - struct type_class_integer *int_class = - container_of(type_class, struct type_class_integer, p); - integer_type_free(int_class); + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; + + return integer_declaration->encoding; } -struct type_class_integer *integer_type_new(const char *name, - size_t len, int byte_order, - int signedness, - size_t alignment) +int bt_get_int_base(const struct bt_definition *field) { - struct type_class_integer *int_class; - int ret; + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; + + return integer_declaration->base; +} + +size_t bt_get_int_len(const struct bt_definition *field) +{ + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; + + return integer_declaration->len; +} + +int bt_get_int_byte_order(const struct bt_definition *field) +{ + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; + + return integer_declaration->byte_order; +} + +int bt_get_int_signedness(const struct bt_definition *field) +{ + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; + + return integer_declaration->signedness; +} + +uint64_t bt_get_unsigned_int(const struct bt_definition *field) +{ + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; + + if (!integer_declaration->signedness) { + return integer_definition->value._unsigned; + } + fprintf(stderr, "[warning] Extracting unsigned value from a signed int (%s)\n", + g_quark_to_string(field->name)); + return (uint64_t)integer_definition->value._signed; +} + +int64_t bt_get_signed_int(const struct bt_definition *field) +{ + struct definition_integer *integer_definition; + const struct declaration_integer *integer_declaration; + + integer_definition = container_of(field, struct definition_integer, p); + integer_declaration = integer_definition->declaration; - int_class = g_new(struct type_class_integer, 1); - int_class->p.name = g_quark_from_string(name); - int_class->p.alignment = alignment; - int_class->p.copy = integer_copy; - int_class->p.free = _integer_type_free; - int_class->len = len; - int_class->byte_order = byte_order; - int_class->signedness = signedness; - if (int_class->p.name) { - ret = ctf_register_type(&int_class->p); - if (ret) { - g_free(int_class); - return NULL; - } + if (integer_declaration->signedness) { + return integer_definition->value._signed; } - return int_class; + fprintf(stderr, "[warning] Extracting signed value from an unsigned int (%s)\n", + g_quark_to_string(field->name)); + return (int64_t)integer_definition->value._unsigned; }