hphp/runtime/vm/func_inline.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com)     |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #ifndef incl_HPHP_VM_FUNC_INLINE_H_
  18 #define incl_HPHP_VM_FUNC_INLINE_H_
  19
  20 namespace HPHP {
  21
  22 inline ALWAYS_INLINE Func** getCachedFuncAddr(unsigned offset) {
  23   assert(offset != 0u);
  24   return (Func**)Transl::TargetCache::handleToPtr(offset);
  25 }
  26
  27 inline ALWAYS_INLINE void setCachedFunc(Func* func, bool debugger) {
  28   assert(!func->isMethod());
  29   Func** funcAddr = getCachedFuncAddr(func->getCachedOffset());
  30   if (UNLIKELY(*funcAddr != nullptr)) {
  31     if (*funcAddr == func) return;
  32     if (!(*funcAddr)->isAllowOverride()) {
  33       raise_error(Strings::FUNCTION_ALREADY_DEFINED, func->name()->data());
  34     }
  35   }
  36   *funcAddr = func;
  37   if (UNLIKELY(debugger)) phpDebuggerDefFuncHook(func);
  38 }
  39
  40  } // HPHP::VM
  41
  42 #endif