Fix: assign the current clock for mmap traces

[babeltrace.git] / types / float.c

diff --git a/types/float.c b/types/float.c
index 9113bb8c1cfc3927ad0d845f9f5a174cfc359f28..3e49a4b1fbc7c2c995cb7adc490de0fe49d61d6b 100644 (file)
--- a/types/float.c
+++ b/types/float.c
@@ -3,7 +3,9 @@
  *
  * 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
@@ -18,31 +20,17 @@
 
 #include <babeltrace/compiler.h>
 #include <babeltrace/format.h>
+#include <babeltrace/types.h>
+#include <babeltrace/endian.h>
 
 static
 struct definition *_float_definition_new(struct declaration *declaration,
                                   struct definition_scope *parent_scope,
-                                  GQuark field_name, int index);
+                                  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;
-       long double v;
-
-       v = fsrc->ldouble_read(srcp, float_declaration);
-       _float->value = v;
-       if (fdest)
-               fdest->ldouble_write(destp, float_declaration, v);
-}
-
 static
 void _float_declaration_free(struct declaration *declaration)
 {
@@ -66,7 +54,6 @@ struct declaration_float *
        declaration = &float_declaration->p;
        declaration->id = CTF_TYPE_FLOAT;
        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;
@@ -74,11 +61,14 @@ struct declaration_float *
        float_declaration->byte_order = byte_order;
 
        float_declaration->sign = integer_declaration_new(1,
-                                           byte_order, false, 1);
+                                               byte_order, false, 1, 2,
+                                               CTF_STRING_NONE, NULL);
        float_declaration->mantissa = integer_declaration_new(mantissa_len - 1,
-                                               byte_order, false, 1);
+                                               byte_order, false, 1, 10,
+                                               CTF_STRING_NONE, NULL);
        float_declaration->exp = integer_declaration_new(exp_len,
-                                          byte_order, true, 1);
+                                               byte_order, true, 1, 10,
+                                               CTF_STRING_NONE, NULL);
        return float_declaration;
 }
 
@@ -86,19 +76,55 @@ static
 struct definition *
        _float_definition_new(struct declaration *declaration,
                              struct definition_scope *parent_scope,
-                             GQuark field_name, int index)
+                             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.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;
-       _float->p.index = index;
+       /*
+        * 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;
+       if (parent_scope) {
+               ret = register_field_definition(field_name, &_float->p,
+                                               parent_scope);
+               assert(!ret);
+       }
        return &_float->p;
 }
 
@@ -108,6 +134,10 @@ void _float_definition_free(struct definition *definition)
        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);
 }