*
* BabelTrace - Float Type Converter
*
- * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
#include <babeltrace/compiler.h>
#include <babeltrace/format.h>
+#include <endian.h>
static
struct definition *_float_definition_new(struct declaration *declaration,
- struct definition_scope *parent_scope);
+ struct definition_scope *parent_scope,
+ GQuark field_name, int index,
+ const char *root_name);
static
void _float_definition_free(struct definition *definition);
-void float_copy(struct stream_pos *destp,
- const struct format *fdest,
- struct stream_pos *srcp,
- const struct format *fsrc,
- struct definition *definition)
-{
- struct definition_float *_float =
- container_of(definition, struct definition_float, p);
- struct declaration_float *float_declaration = _float->declaration;
-
- if (fsrc->float_copy == fdest->float_copy) {
- fsrc->float_copy(destp, srcp, float_declaration);
- } else {
- double v;
-
- v = fsrc->double_read(srcp, float_declaration);
- fdest->double_write(destp, float_declaration, v);
- }
-}
-
static
void _float_declaration_free(struct declaration *declaration)
{
}
struct declaration_float *
- float_declaration_new(const char *name, size_t mantissa_len,
+ float_declaration_new(size_t mantissa_len,
size_t exp_len, int byte_order, size_t alignment)
{
struct declaration_float *float_declaration;
float_declaration = g_new(struct declaration_float, 1);
declaration = &float_declaration->p;
declaration->id = CTF_TYPE_FLOAT;
- declaration->name = g_quark_from_string(name);
declaration->alignment = alignment;
- declaration->copy = float_copy;
declaration->declaration_free = _float_declaration_free;
declaration->definition_new = _float_definition_new;
declaration->definition_free = _float_definition_free;
declaration->ref = 1;
float_declaration->byte_order = byte_order;
- float_declaration->sign = integer_declaration_new(NULL, 1,
- byte_order, false, 1);
- float_declaration->mantissa = integer_declaration_new(NULL, mantissa_len - 1,
- byte_order, false, 1);
- float_declaration->exp = integer_declaration_new(NULL, exp_len,
- byte_order, true, 1);
+ float_declaration->sign = integer_declaration_new(1,
+ byte_order, false, 1, 2,
+ CTF_STRING_NONE);
+ float_declaration->mantissa = integer_declaration_new(mantissa_len - 1,
+ byte_order, false, 1, 10,
+ CTF_STRING_NONE);
+ float_declaration->exp = integer_declaration_new(exp_len,
+ byte_order, true, 1, 10,
+ CTF_STRING_NONE);
return float_declaration;
}
static
struct definition *
_float_definition_new(struct declaration *declaration,
- struct definition_scope *parent_scope)
+ struct definition_scope *parent_scope,
+ GQuark field_name, int index,
+ const char *root_name)
{
struct declaration_float *float_declaration =
container_of(declaration, struct declaration_float, p);
struct definition_float *_float;
+ struct definition *tmp;
+ int ret;
_float = g_new(struct definition_float, 1);
declaration_ref(&float_declaration->p);
- _float->p.declaration= declaration;
- _float->declaration= float_declaration;
+ _float->p.declaration = declaration;
+ _float->declaration = float_declaration;
+ _float->p.scope = new_definition_scope(parent_scope, field_name, root_name);
+ _float->p.path = new_definition_path(parent_scope, field_name, root_name);
+ if (float_declaration->byte_order == LITTLE_ENDIAN) {
+ tmp = float_declaration->mantissa->p.definition_new(&float_declaration->mantissa->p,
+ _float->p.scope, g_quark_from_static_string("mantissa"), 0, NULL);
+ _float->mantissa = container_of(tmp, struct definition_integer, p);
+ tmp = float_declaration->exp->p.definition_new(&float_declaration->exp->p,
+ _float->p.scope, g_quark_from_static_string("exp"), 1, NULL);
+ _float->exp = container_of(tmp, struct definition_integer, p);
+ tmp = float_declaration->sign->p.definition_new(&float_declaration->sign->p,
+ _float->p.scope, g_quark_from_static_string("sign"), 2, NULL);
+ _float->sign = container_of(tmp, struct definition_integer, p);
+ } else {
+ tmp = float_declaration->sign->p.definition_new(&float_declaration->sign->p,
+ _float->p.scope, g_quark_from_static_string("sign"), 0, NULL);
+ _float->sign = container_of(tmp, struct definition_integer, p);
+ tmp = float_declaration->exp->p.definition_new(&float_declaration->exp->p,
+ _float->p.scope, g_quark_from_static_string("exp"), 1, NULL);
+ _float->exp = container_of(tmp, struct definition_integer, p);
+ tmp = float_declaration->mantissa->p.definition_new(&float_declaration->mantissa->p,
+ _float->p.scope, g_quark_from_static_string("mantissa"), 2, NULL);
+ _float->mantissa = container_of(tmp, struct definition_integer, p);
+ }
_float->p.ref = 1;
+ /*
+ * Use INT_MAX order to ensure that all fields of the parent
+ * scope are seen as being prior to this scope.
+ */
+ _float->p.index = root_name ? INT_MAX : index;
+ _float->p.name = field_name;
_float->value = 0.0;
+ ret = register_field_definition(field_name, &_float->p,
+ parent_scope);
+ assert(!ret);
return &_float->p;
}
struct definition_float *_float =
container_of(definition, struct definition_float, p);
+ definition_unref(&_float->sign->p);
+ definition_unref(&_float->exp->p);
+ definition_unref(&_float->mantissa->p);
+ free_definition_scope(_float->p.scope);
declaration_unref(_float->p.declaration);
g_free(_float);
}
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