js/src/jit/JitCommon.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef jit_JitCommon_h
   8 #define jit_JitCommon_h
   9
  10 // Various macros used by all JITs.
  11
  12 #include "jit/Simulator.h"
  13
  14 #ifdef JS_SIMULATOR
  15 // Call into cross-jitted code by following the ABI of the simulated
  16 // architecture.
  17 #  define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7)          \
  18     (js::jit::Simulator::Current()->call(                                     \
  19         JS_FUNC_TO_DATA_PTR(uint8_t*, entry), 8, intptr_t(p0), intptr_t(p1),  \
  20         intptr_t(p2), intptr_t(p3), intptr_t(p4), intptr_t(p5), intptr_t(p6), \
  21         intptr_t(p7)))
  22
  23 #  define CALL_GENERATED_0(entry)                                              \
  24     (js::jit::Simulator::Current()->call(JS_FUNC_TO_DATA_PTR(uint8_t*, entry), \
  25                                          0))
  26
  27 #  define CALL_GENERATED_1(entry, p0)                                          \
  28     (js::jit::Simulator::Current()->call(JS_FUNC_TO_DATA_PTR(uint8_t*, entry), \
  29                                          1, intptr_t(p0)))
  30
  31 #  define CALL_GENERATED_2(entry, p0, p1)                                      \
  32     (js::jit::Simulator::Current()->call(JS_FUNC_TO_DATA_PTR(uint8_t*, entry), \
  33                                          2, intptr_t(p0), intptr_t(p1)))
  34
  35 #  define CALL_GENERATED_3(entry, p0, p1, p2)                                  \
  36     (js::jit::Simulator::Current()->call(JS_FUNC_TO_DATA_PTR(uint8_t*, entry), \
  37                                          3, intptr_t(p0), intptr_t(p1),        \
  38                                          intptr_t(p2)))
  39
  40 #else
  41
  42 // Call into jitted code by following the ABI of the native architecture.
  43 #  define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7) \
  44     entry(p0, p1, p2, p3, p4, p5, p6, p7)
  45
  46 #  define CALL_GENERATED_0(entry) entry()
  47 #  define CALL_GENERATED_1(entry, p0) entry(p0)
  48 #  define CALL_GENERATED_2(entry, p0, p1) entry(p0, p1)
  49 #  define CALL_GENERATED_3(entry, p0, p1, p2) entry(p0, p1, p2)
  50
  51 #endif
  52
  53 #endif  // jit_JitCommon_h