hphp/runtime/vm/jit/vasm-print.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-2014 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_JIT_VASM_PRINT_H_
  18 #define incl_HPHP_JIT_VASM_PRINT_H_
  19
  20 #include "hphp/runtime/vm/jit/vasm.h"
  21 #include "hphp/runtime/vm/jit/vasm-reg.h"
  22
  23 #include <vector>
  24 #include <iostream>
  25 #include <string>
  26
  27 namespace HPHP { namespace jit {
  28 ///////////////////////////////////////////////////////////////////////////////
  29
  30 struct Vinstr;
  31 struct Vunit;
  32
  33 ///////////////////////////////////////////////////////////////////////////////
  34
  35 std::string show(Vreg r);
  36 std::string show(Vptr p);
  37 std::string show(const Vunit& unit);
  38 std::string show(const Vunit& unit, const Vinstr& inst);
  39
  40 // print a dot-compatible digraph of the blocks (without contents)
  41 void printCfg(const Vunit& unit, const jit::vector<Vlabel>& blocks);
  42 void printCfg(std::ostream& out, const Vunit& unit,
  43               const jit::vector<Vlabel>& blocks);
  44
  45 // Tracing level constants.
  46 constexpr int kInitialVasmLevel = 1;
  47 constexpr int kVasmImmsLevel = 2;
  48 constexpr int kVasmFusionLevel = 2;
  49 constexpr int kVasmCodeGenLevel = 2;
  50 constexpr int kVasmRegAllocLevel = 3;
  51 constexpr int kVasmCopyPropLevel = 4;
  52 constexpr int kVasmARMFoldLevel = 4;
  53 constexpr int kVasmJumpsLevel = 4;
  54 constexpr int kVasmExitsLevel = 4;
  55 constexpr int kVasmDCELevel = 4;
  56 constexpr int kVasmLowerLevel = 4;
  57 constexpr int kVasmUnreachableLevel = 6;
  58
  59 // Print the cfg digraph followed by a vasm code listing, if the trace level is
  60 // above `level'.
  61 void printUnit(int level,
  62                const std::string& caption,
  63                const Vunit& unit);
  64
  65 void printInstrs(std::ostream& out,
  66                  const Vunit& unit,
  67                  const jit::vector<Vinstr>& code);
  68
  69 // main, cold, frozen
  70 extern const char* area_names[];
  71
  72 ///////////////////////////////////////////////////////////////////////////////
  73 }}
  74
  75 #endif