X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=types%2Finteger.c;h=212d8d489ce35f04562ff7e10ddfb26a09c95d31;hp=8a540af159013ed23d98bcf8241c0e1c99bb5bc4;hb=50052405724a3b901b258c00beb424751c579217;hpb=698f0fe44073e0bfdc6c26222c3bdc1a0dc2d423 diff --git a/types/integer.c b/types/integer.c index 8a540af1..212d8d48 100644 --- a/types/integer.c +++ b/types/integer.c @@ -1,72 +1,195 @@ /* + * integer.c + * * BabelTrace - Integer Type Converter * - * Copyright (c) 2010 Mathieu Desnoyers + * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation * - * 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. + * Author: Mathieu Desnoyers * - * 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. + * 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: * - * 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 above copyright notice and this permission notice shall be included in + * all copies or substantial portions of 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) -{ - struct type_class_integer *int_class = - container_of(type_class, struct type_class_integer, p); - - if (fsrc->p.alignment) - src = PTR_ALIGN(src, fsrc->p.alignment / CHAR_BIT); - if (fdest->p.alignment) - dest = PTR_ALIGN(dest, fdest->p.alignment / CHAR_BIT); +static +struct definition *_integer_definition_new(struct declaration *declaration, + struct definition_scope *parent_scope, + GQuark field_name, int index, + const char *root_name); +static +void _integer_definition_free(struct definition *definition); - if (!int_class->signedness) { - uint64_t v; +static +void _integer_declaration_free(struct declaration *declaration) +{ + struct declaration_integer *integer_declaration = + container_of(declaration, struct declaration_integer, p); + g_free(integer_declaration); +} - v = fsrc->uint_read(src, int_class->len, int_class->byte_order); - return fdest->uint_write(dest, int_class->len, int_class->byte_order, v); - } else { - int64_t v; +struct declaration_integer * + 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->int_read(src, int_class->len, int_class->byte_order); - return fdest->int_write(dest, int_class->len, int_class->byte_order, v); - } + integer_declaration = g_new(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; } -int integer_type_new(const char *name, size_t alignment, size_t len, - int byte_order, int signedness) +static +struct definition * + _integer_definition_new(struct declaration *declaration, + struct definition_scope *parent_scope, + GQuark field_name, int index, + const char *root_name) { - struct type_class_integer int_class; + struct declaration_integer *integer_declaration = + container_of(declaration, struct declaration_integer, p); + struct definition_integer *integer; int ret; + integer = g_new(struct definition_integer, 1); + declaration_ref(&integer_declaration->p); + integer->p.declaration = declaration; + integer->declaration = integer_declaration; + integer->p.ref = 1; /* - * Freed when type is unregistered. + * Use INT_MAX order to ensure that all fields of the parent + * scope are seen as being prior to this scope. */ - 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->len = len; - int_class->byte_order = byte_order; - int_class->signedness = signedness; - ret = ctf_register_type(&int_class.p); - if (ret) - g_free(int_class); - return ret; + integer->p.index = root_name ? INT_MAX : index; + integer->p.name = field_name; + integer->p.path = new_definition_path(parent_scope, field_name, + root_name); + integer->p.scope = NULL; + integer->value._unsigned = 0; + ret = register_field_definition(field_name, &integer->p, + parent_scope); + assert(!ret); + return &integer->p; +} + +static +void _integer_definition_free(struct definition *definition) +{ + struct definition_integer *integer = + container_of(definition, struct definition_integer, p); + + declaration_unref(integer->p.declaration); + g_free(integer); +} + +enum ctf_string_encoding get_int_encoding(const struct 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->encoding; +} + +int get_int_base(const struct 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->base; } -/* TODO: integer_type_free */ +size_t get_int_len(const struct 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 get_int_byte_order(const struct 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 get_int_signedness(const struct 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 get_unsigned_int(const struct 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 get_signed_int(const struct 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._signed; + } + 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; +}