js/src/methodjit/StubCalls.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  * vim: set ts=4 sw=4 et tw=99:
   3  *
   4  * ***** BEGIN LICENSE BLOCK *****
   5  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   6  *
   7  * The contents of this file are subject to the Mozilla Public License Version
   8  * 1.1 (the "License"); you may not use this file except in compliance with
   9  * the License. You may obtain a copy of the License at
  10  * http://www.mozilla.org/MPL/
  11  *
  12  * Software distributed under the License is distributed on an "AS IS" basis,
  13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  14  * for the specific language governing rights and limitations under the
  15  * License.
  16  *
  17  * The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
  18  * May 28, 2008.
  19  *
  20  * The Initial Developer of the Original Code is
  21  *   Brendan Eich <brendan@mozilla.org>
  22  *
  23  * Contributor(s):
  24  *   David Anderson <danderson@mozilla.com>
  25  *   David Mandelin <dmandelin@mozilla.com>
  26  *
  27  * Alternatively, the contents of this file may be used under the terms of
  28  * either of the GNU General Public License Version 2 or later (the "GPL"),
  29  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  30  * in which case the provisions of the GPL or the LGPL are applicable instead
  31  * of those above. If you wish to allow use of your version of this file only
  32  * under the terms of either the GPL or the LGPL, and not to allow others to
  33  * use your version of this file under the terms of the MPL, indicate your
  34  * decision by deleting the provisions above and replace them with the notice
  35  * and other provisions required by the GPL or the LGPL. If you do not delete
  36  * the provisions above, a recipient may use your version of this file under
  37  * the terms of any one of the MPL, the GPL or the LGPL.
  38  *
  39  * ***** END LICENSE BLOCK ***** */
  40
  41 #ifndef jslogic_h__
  42 #define jslogic_h__
  43
  44 #include "MethodJIT.h"
  45
  46 namespace js {
  47 namespace mjit {
  48 namespace stubs {
  49
  50 void JS_FASTCALL This(VMFrame &f);
  51 JSObject * JS_FASTCALL NewInitArray(VMFrame &f, uint32 count);
  52 JSObject * JS_FASTCALL NewInitObject(VMFrame &f, uint32 count);
  53 JSObject * JS_FASTCALL NewArray(VMFrame &f, uint32 len);
  54 void JS_FASTCALL Trap(VMFrame &f, jsbytecode *pc);
  55 void JS_FASTCALL Debugger(VMFrame &f, jsbytecode *pc);
  56 void JS_FASTCALL Interrupt(VMFrame &f, jsbytecode *pc);
  57 void JS_FASTCALL InitElem(VMFrame &f, uint32 last);
  58 void JS_FASTCALL InitProp(VMFrame &f, JSAtom *atom);
  59 void JS_FASTCALL InitMethod(VMFrame &f, JSAtom *atom);
  60
  61 void JS_FASTCALL HitStackQuota(VMFrame &f);
  62 void * JS_FASTCALL FixupArity(VMFrame &f, uint32 argc);
  63 void * JS_FASTCALL CompileFunction(VMFrame &f, uint32 argc);
  64 void JS_FASTCALL SlowNew(VMFrame &f, uint32 argc);
  65 void JS_FASTCALL SlowCall(VMFrame &f, uint32 argc);
  66 void * JS_FASTCALL UncachedNew(VMFrame &f, uint32 argc);
  67 void * JS_FASTCALL UncachedCall(VMFrame &f, uint32 argc);
  68 void JS_FASTCALL EnterScript(VMFrame &f);
  69 void JS_FASTCALL LeaveScript(VMFrame &f);
  70
  71 /*
  72  * Result struct for UncachedXHelper.
  73  *
  74  * These functions can have one of two results:
  75  *
  76  *   (1) The function was executed in the interpreter. Then all fields
  77  *       are NULL.
  78  *
  79  *   (2) The function was not executed, and the function has been compiled
  80  *       to JM native code. Then all fields are non-NULL.
  81  */
  82 struct UncachedCallResult {
  83     JSObject   *callee;       // callee object
  84     JSFunction *fun;          // callee function
  85     void       *codeAddr;     // code address of compiled callee function
  86
  87     void init() {
  88         callee = NULL;
  89         fun = NULL;
  90         codeAddr = NULL;
  91     }
  92 };
  93
  94 /*
  95  * Helper functions for stubs and IC functions for calling functions.
  96  * These functions either execute the function, return a native code
  97  * pointer that can be used to call the function, or throw.
  98  */
  99 void UncachedCallHelper(VMFrame &f, uint32 argc, UncachedCallResult *ucr);
 100 void UncachedNewHelper(VMFrame &f, uint32 argc, UncachedCallResult *ucr);
 101
 102 void JS_FASTCALL CreateThis(VMFrame &f, JSObject *proto);
 103 void JS_FASTCALL Throw(VMFrame &f);
 104 void JS_FASTCALL PutCallObject(VMFrame &f);
 105 void JS_FASTCALL PutActivationObjects(VMFrame &f);
 106 void JS_FASTCALL GetCallObject(VMFrame &f);
 107 #if JS_MONOIC
 108 void * JS_FASTCALL InvokeTracer(VMFrame &f, ic::TraceICInfo *tic);
 109 #else
 110 void * JS_FASTCALL InvokeTracer(VMFrame &f);
 111 #endif
 112
 113 void * JS_FASTCALL LookupSwitch(VMFrame &f, jsbytecode *pc);
 114 void * JS_FASTCALL TableSwitch(VMFrame &f, jsbytecode *origPc);
 115
 116 void JS_FASTCALL BindName(VMFrame &f);
 117 void JS_FASTCALL BindNameNoCache(VMFrame &f, JSAtom *atom);
 118 JSObject * JS_FASTCALL BindGlobalName(VMFrame &f);
 119 template<JSBool strict> void JS_FASTCALL SetName(VMFrame &f, JSAtom *atom);
 120 template<JSBool strict> void JS_FASTCALL SetPropNoCache(VMFrame &f, JSAtom *atom);
 121 template<JSBool strict> void JS_FASTCALL SetGlobalName(VMFrame &f, JSAtom *atom);
 122 template<JSBool strict> void JS_FASTCALL SetGlobalNameDumb(VMFrame &f, JSAtom *atom);
 123 void JS_FASTCALL Name(VMFrame &f);
 124 void JS_FASTCALL GetProp(VMFrame &f);
 125 void JS_FASTCALL GetPropNoCache(VMFrame &f, JSAtom *atom);
 126 void JS_FASTCALL GetElem(VMFrame &f);
 127 void JS_FASTCALL CallElem(VMFrame &f);
 128 template<JSBool strict> void JS_FASTCALL SetElem(VMFrame &f);
 129 void JS_FASTCALL Length(VMFrame &f);
 130 void JS_FASTCALL CallName(VMFrame &f);
 131 void JS_FASTCALL GetUpvar(VMFrame &f, uint32 index);
 132 void JS_FASTCALL GetGlobalName(VMFrame &f);
 133
 134 template<JSBool strict> void JS_FASTCALL NameInc(VMFrame &f, JSAtom *atom);
 135 template<JSBool strict> void JS_FASTCALL NameDec(VMFrame &f, JSAtom *atom);
 136 template<JSBool strict> void JS_FASTCALL IncName(VMFrame &f, JSAtom *atom);
 137 template<JSBool strict> void JS_FASTCALL DecName(VMFrame &f, JSAtom *atom);
 138 template<JSBool strict> void JS_FASTCALL GlobalNameInc(VMFrame &f, JSAtom *atom);
 139 template<JSBool strict> void JS_FASTCALL GlobalNameDec(VMFrame &f, JSAtom *atom);
 140 template<JSBool strict> void JS_FASTCALL IncGlobalName(VMFrame &f, JSAtom *atom);
 141 template<JSBool strict> void JS_FASTCALL DecGlobalName(VMFrame &f, JSAtom *atom);
 142 template<JSBool strict> void JS_FASTCALL PropInc(VMFrame &f, JSAtom *atom);
 143 template<JSBool strict> void JS_FASTCALL PropDec(VMFrame &f, JSAtom *atom);
 144 template<JSBool strict> void JS_FASTCALL IncProp(VMFrame &f, JSAtom *atom);
 145 template<JSBool strict> void JS_FASTCALL DecProp(VMFrame &f, JSAtom *atom);
 146 template<JSBool strict> void JS_FASTCALL ElemInc(VMFrame &f);
 147 template<JSBool strict> void JS_FASTCALL ElemDec(VMFrame &f);
 148 template<JSBool strict> void JS_FASTCALL IncElem(VMFrame &f);
 149 template<JSBool strict> void JS_FASTCALL DecElem(VMFrame &f);
 150 void JS_FASTCALL CallProp(VMFrame &f, JSAtom *atom);
 151 template <JSBool strict> void JS_FASTCALL DelProp(VMFrame &f, JSAtom *atom);
 152 template <JSBool strict> void JS_FASTCALL DelElem(VMFrame &f);
 153 void JS_FASTCALL DelName(VMFrame &f, JSAtom *atom);
 154 JSBool JS_FASTCALL In(VMFrame &f);
 155
 156 void JS_FASTCALL DefVar(VMFrame &f, JSAtom *atom);
 157 template<JSBool strict> void JS_FASTCALL DefFun(VMFrame &f, JSFunction *fun);
 158 JSObject * JS_FASTCALL DefLocalFun(VMFrame &f, JSFunction *fun);
 159 JSObject * JS_FASTCALL DefLocalFun_FC(VMFrame &f, JSFunction *fun);
 160 JSObject * JS_FASTCALL RegExp(VMFrame &f, JSObject *regex);
 161 JSObject * JS_FASTCALL Lambda(VMFrame &f, JSFunction *fun);
 162 JSObject * JS_FASTCALL LambdaForInit(VMFrame &f, JSFunction *fun);
 163 JSObject * JS_FASTCALL LambdaForSet(VMFrame &f, JSFunction *fun);
 164 JSObject * JS_FASTCALL LambdaJoinableForCall(VMFrame &f, JSFunction *fun);
 165 JSObject * JS_FASTCALL LambdaJoinableForNull(VMFrame &f, JSFunction *fun);
 166 JSObject * JS_FASTCALL FlatLambda(VMFrame &f, JSFunction *fun);
 167 void JS_FASTCALL Arguments(VMFrame &f);
 168 void JS_FASTCALL ArgSub(VMFrame &f, uint32 n);
 169 void JS_FASTCALL EnterBlock(VMFrame &f, JSObject *obj);
 170 void JS_FASTCALL LeaveBlock(VMFrame &f, JSObject *blockChain);
 171
 172 void JS_FASTCALL VpInc(VMFrame &f, Value *vp);
 173 void JS_FASTCALL VpDec(VMFrame &f, Value *vp);
 174 void JS_FASTCALL DecVp(VMFrame &f, Value *vp);
 175 void JS_FASTCALL IncVp(VMFrame &f, Value *vp);
 176 void JS_FASTCALL LocalInc(VMFrame &f, uint32 slot);
 177 void JS_FASTCALL LocalDec(VMFrame &f, uint32 slot);
 178 void JS_FASTCALL IncLocal(VMFrame &f, uint32 slot);
 179 void JS_FASTCALL DecLocal(VMFrame &f, uint32 slot);
 180
 181 JSBool JS_FASTCALL LessThan(VMFrame &f);
 182 JSBool JS_FASTCALL LessEqual(VMFrame &f);
 183 JSBool JS_FASTCALL GreaterThan(VMFrame &f);
 184 JSBool JS_FASTCALL GreaterEqual(VMFrame &f);
 185 JSBool JS_FASTCALL Equal(VMFrame &f);
 186 JSBool JS_FASTCALL NotEqual(VMFrame &f);
 187
 188 void JS_FASTCALL BitOr(VMFrame &f);
 189 void JS_FASTCALL BitXor(VMFrame &f);
 190 void JS_FASTCALL BitAnd(VMFrame &f);
 191 void JS_FASTCALL BitNot(VMFrame &f);
 192 void JS_FASTCALL Lsh(VMFrame &f);
 193 void JS_FASTCALL Rsh(VMFrame &f);
 194 void JS_FASTCALL Ursh(VMFrame &f);
 195 void JS_FASTCALL Add(VMFrame &f);
 196 void JS_FASTCALL Sub(VMFrame &f);
 197 void JS_FASTCALL Mul(VMFrame &f);
 198 void JS_FASTCALL Div(VMFrame &f);
 199 void JS_FASTCALL Mod(VMFrame &f);
 200 void JS_FASTCALL Neg(VMFrame &f);
 201 void JS_FASTCALL Pos(VMFrame &f);
 202 void JS_FASTCALL Not(VMFrame &f);
 203 void JS_FASTCALL StrictEq(VMFrame &f);
 204 void JS_FASTCALL StrictNe(VMFrame &f);
 205
 206 void JS_FASTCALL Iter(VMFrame &f, uint32 flags);
 207 void JS_FASTCALL IterNext(VMFrame &f);
 208 JSBool JS_FASTCALL IterMore(VMFrame &f);
 209 void JS_FASTCALL EndIter(VMFrame &f);
 210
 211 JSBool JS_FASTCALL ValueToBoolean(VMFrame &f);
 212 JSString * JS_FASTCALL TypeOf(VMFrame &f);
 213 JSBool JS_FASTCALL InstanceOf(VMFrame &f);
 214 void JS_FASTCALL FastInstanceOf(VMFrame &f);
 215 void JS_FASTCALL ArgCnt(VMFrame &f);
 216 void JS_FASTCALL Unbrand(VMFrame &f);
 217
 218 } /* namespace stubs */
 219
 220 /*
 221  * If COND is true, return A; otherwise, return B. This allows us to choose between
 222  * function template instantiations without running afoul of C++'s overload resolution
 223  * rules. (Try simplifying, and you'll either see the problem --- or have found a
 224  * better solution!)
 225  */
 226 template<typename FuncPtr>
 227 inline FuncPtr FunctionTemplateConditional(bool cond, FuncPtr a, FuncPtr b) {
 228     return cond ? a : b;
 229 }
 230
 231 }} /* namespace stubs,mjit,js */
 232
 233 extern "C" void *
 234 js_InternalThrow(js::VMFrame &f);
 235
 236 #endif /* jslogic_h__ */
 237