mono/metadata/string-icalls.c

   1 /*
   2  * string-icalls.c: String internal calls for the corlib
   3  *
   4  * Author:
   5  *   Patrik Torstensson (patrik.torstensson@labs2.com)
   6  *   Duncan Mak  (duncan@ximian.com)
   7  *
   8  * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
   9  * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
  10  * Licensed under the MIT license. See LICENSE file in the project root for full license information.
  11  */
  12 #include <config.h>
  13 #include <stdlib.h>
  14 #include <stdio.h>
  15 #include <string.h>
  16 #include "mono/utils/mono-membar.h"
  17 #include <mono/metadata/string-icalls.h>
  18 #include <mono/metadata/class-internals.h>
  19 #include <mono/metadata/appdomain.h>
  20 #include <mono/metadata/tabledefs.h>
  21 #include <mono/metadata/loader.h>
  22 #include <mono/metadata/object.h>
  23 #include <mono/metadata/exception.h>
  24 #include <mono/metadata/debug-helpers.h>
  25 #include <mono/metadata/profiler.h>
  26 #include <mono/metadata/profiler-private.h>
  27 #include <mono/metadata/gc-internals.h>
  28
  29 /* This function is redirected to String.CreateString ()
  30    by mono_marshal_get_native_wrapper () */
  31 void
  32 ves_icall_System_String_ctor_RedirectToCreateString (void)
  33 {
  34         g_assert_not_reached ();
  35 }
  36
  37 MonoString *
  38 ves_icall_System_String_InternalAllocateStr (gint32 length)
  39 {
  40         MonoError error;
  41         MonoString *str = mono_string_new_size_checked (mono_domain_get (), length, &error);
  42         mono_error_set_pending_exception (&error);
  43
  44         return str;
  45 }
  46
  47 MonoString  *
  48 ves_icall_System_String_InternalIntern (MonoString *str)
  49 {
  50         MonoError error;
  51         MonoString *res;
  52
  53         res = mono_string_intern_checked (str, &error);
  54         if (!res) {
  55                 mono_error_set_pending_exception (&error);
  56                 return NULL;
  57         }
  58         return res;
  59 }
  60
  61 MonoString *
  62 ves_icall_System_String_InternalIsInterned (MonoString *str)
  63 {
  64         return mono_string_is_interned (str);
  65 }
  66
  67 int
  68 ves_icall_System_String_GetLOSLimit (void)
  69 {
  70         int limit = mono_gc_get_los_limit ();
  71
  72         return (limit - 2 - G_STRUCT_OFFSET (MonoString, chars)) / 2;
  73 }
  74