hphp/runtime/vm/jit/irgen-func-prologue.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present 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 #pragma once
  18
  19 #include "hphp/runtime/vm/func.h"
  20 #include "hphp/runtime/vm/jit/types.h"
  21
  22 #include <cstdint>
  23
  24 namespace HPHP::jit {
  25
  26 struct SSATmp;
  27
  28 namespace irgen {
  29
  30 struct IRGS;
  31
  32 ///////////////////////////////////////////////////////////////////////////////
  33
  34 /*
  35  * Check for presence, count and wildcard match of generics.
  36  *
  37  * If `pushed' is true, generics are on the stack. Otherwise, generics may or
  38  * may not be above the stack, depending on the prologueFlags.
  39  *
  40  * After this check, generics will be on the stack iff the function has reified
  41  * generics.
  42  */
  43 void emitCalleeGenericsChecks(IRGS& env, const Func* callee,
  44                               SSATmp* prologueFlags, bool pushed);
  45
  46 void emitCalleeArgumentArityChecks(IRGS& env, const Func* callee,
  47                                    uint32_t& argc);
  48
  49 void emitCalleeArgumentTypeChecks(IRGS& env, const Func* callee,
  50                                   uint32_t argc, SSATmp* prologueCtx);
  51
  52 void emitCalleeDynamicCallChecks(IRGS& env, const Func* callee,
  53                                 SSATmp* prologueFlags);
  54
  55 void emitCalleeCoeffectChecks(IRGS& env, const Func* callee,
  56                               SSATmp* prologueFlags, SSATmp* providedCoeffects,
  57                               bool skipCoeffectsCheck,
  58                               uint32_t argc, SSATmp* prologueCtx);
  59
  60 void emitCalleeRecordFuncCoverage(IRGS& env, const Func* callee);
  61
  62 void emitInitFuncInputs(IRGS& env, const Func* callee, uint32_t argc);
  63
  64 void emitFuncPrologue(IRGS& env, const Func* callee, uint32_t argc,
  65                       TransID transID);
  66
  67 void emitFuncEntry(IRGS& env);
  68
  69 ///////////////////////////////////////////////////////////////////////////////
  70
  71 }}
  72