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 typedef enum JSTrapType {
  51     JSTRAP_NONE = 0,
  52     JSTRAP_TRAP = 1,
  53     JSTRAP_SINGLESTEP = 2
  54 } JSTrapType;
  55
  56 void JS_FASTCALL This(VMFrame &f);
  57 JSObject * JS_FASTCALL NewInitArray(VMFrame &f, uint32 count);
  58 JSObject * JS_FASTCALL NewInitObject(VMFrame &f, JSObject *base);
  59 void JS_FASTCALL Trap(VMFrame &f, uint32 trapTypes);
  60 void JS_FASTCALL Debugger(VMFrame &f, jsbytecode *pc);
  61 void JS_FASTCALL Interrupt(VMFrame &f, jsbytecode *pc);
  62 void JS_FASTCALL InitElem(VMFrame &f, uint32 last);
  63 void JS_FASTCALL InitProp(VMFrame &f, JSAtom *atom);
  64 void JS_FASTCALL InitMethod(VMFrame &f, JSAtom *atom);
  65
  66 void JS_FASTCALL HitStackQuota(VMFrame &f);
  67 void * JS_FASTCALL FixupArity(VMFrame &f, uint32 argc);
  68 void * JS_FASTCALL CompileFunction(VMFrame &f, uint32 argc);
  69 void JS_FASTCALL SlowNew(VMFrame &f, uint32 argc);
  70 void JS_FASTCALL SlowCall(VMFrame &f, uint32 argc);
  71 void * JS_FASTCALL UncachedNew(VMFrame &f, uint32 argc);
  72 void * JS_FASTCALL UncachedCall(VMFrame &f, uint32 argc);
  73 void JS_FASTCALL Eval(VMFrame &f, uint32 argc);
  74 void JS_FASTCALL EnterScript(VMFrame &f);
  75 void JS_FASTCALL LeaveScript(VMFrame &f);
  76
  77 /*
  78  * Result struct for UncachedXHelper.
  79  *
  80  * These functions can have one of two results:
  81  *
  82  *   (1) The function was executed in the interpreter. Then all fields
  83  *       are NULL except unjittable.
  84  *
  85  *   (2) The function was not executed, and the function has been compiled
  86  *       to JM native code. Then all fields are non-NULL.
  87  */
  88 struct UncachedCallResult {
  89     JSObject   *callee;       // callee object
  90     JSFunction *fun;          // callee function
  91     void       *codeAddr;     // code address of compiled callee function
  92     bool       unjittable;    // did we try to JIT and fail?
  93
  94     void init() {
  95         callee = NULL;
  96         fun = NULL;
  97         codeAddr = NULL;
  98         unjittable = false;
  99     }
 100 };
 101
 102 /*
 103  * Helper functions for stubs and IC functions for calling functions.
 104  * These functions either execute the function, return a native code
 105  * pointer that can be used to call the function, or throw.
 106  */
 107 void UncachedCallHelper(VMFrame &f, uint32 argc, UncachedCallResult *ucr);
 108 void UncachedNewHelper(VMFrame &f, uint32 argc, UncachedCallResult *ucr);
 109
 110 void JS_FASTCALL CreateThis(VMFrame &f, JSObject *proto);
 111 void JS_FASTCALL Throw(VMFrame &f);
 112 void JS_FASTCALL PutStrictEvalCallObject(VMFrame &f);
 113 void JS_FASTCALL PutActivationObjects(VMFrame &f);
 114 void JS_FASTCALL GetCallObject(VMFrame &f);
 115 #if JS_MONOIC
 116 void * JS_FASTCALL InvokeTracer(VMFrame &f, ic::TraceICInfo *tic);
 117 #else
 118 void * JS_FASTCALL InvokeTracer(VMFrame &f);
 119 #endif
 120
 121 void * JS_FASTCALL LookupSwitch(VMFrame &f, jsbytecode *pc);
 122 void * JS_FASTCALL TableSwitch(VMFrame &f, jsbytecode *origPc);
 123
 124 void JS_FASTCALL BindName(VMFrame &f);
 125 void JS_FASTCALL BindNameNoCache(VMFrame &f, JSAtom *atom);
 126 JSObject * JS_FASTCALL BindGlobalName(VMFrame &f);
 127 template<JSBool strict> void JS_FASTCALL SetName(VMFrame &f, JSAtom *atom);
 128 template<JSBool strict> void JS_FASTCALL SetPropNoCache(VMFrame &f, JSAtom *atom);
 129 template<JSBool strict> void JS_FASTCALL SetGlobalName(VMFrame &f, JSAtom *atom);
 130 template<JSBool strict> void JS_FASTCALL SetGlobalNameNoCache(VMFrame &f, JSAtom *atom);
 131 void JS_FASTCALL Name(VMFrame &f);
 132 void JS_FASTCALL GetProp(VMFrame &f);
 133 void JS_FASTCALL GetPropNoCache(VMFrame &f, JSAtom *atom);
 134 void JS_FASTCALL GetElem(VMFrame &f);
 135 void JS_FASTCALL CallElem(VMFrame &f);
 136 template<JSBool strict> void JS_FASTCALL SetElem(VMFrame &f);
 137 void JS_FASTCALL Length(VMFrame &f);
 138 void JS_FASTCALL CallName(VMFrame &f);
 139 void JS_FASTCALL GetUpvar(VMFrame &f, uint32 index);
 140 void JS_FASTCALL GetGlobalName(VMFrame &f);
 141
 142 template<JSBool strict> void JS_FASTCALL NameInc(VMFrame &f, JSAtom *atom);
 143 template<JSBool strict> void JS_FASTCALL NameDec(VMFrame &f, JSAtom *atom);
 144 template<JSBool strict> void JS_FASTCALL IncName(VMFrame &f, JSAtom *atom);
 145 template<JSBool strict> void JS_FASTCALL DecName(VMFrame &f, JSAtom *atom);
 146 template<JSBool strict> void JS_FASTCALL GlobalNameInc(VMFrame &f, JSAtom *atom);
 147 template<JSBool strict> void JS_FASTCALL GlobalNameDec(VMFrame &f, JSAtom *atom);
 148 template<JSBool strict> void JS_FASTCALL IncGlobalName(VMFrame &f, JSAtom *atom);
 149 template<JSBool strict> void JS_FASTCALL DecGlobalName(VMFrame &f, JSAtom *atom);
 150 template<JSBool strict> void JS_FASTCALL PropInc(VMFrame &f, JSAtom *atom);
 151 template<JSBool strict> void JS_FASTCALL PropDec(VMFrame &f, JSAtom *atom);
 152 template<JSBool strict> void JS_FASTCALL IncProp(VMFrame &f, JSAtom *atom);
 153 template<JSBool strict> void JS_FASTCALL DecProp(VMFrame &f, JSAtom *atom);
 154 template<JSBool strict> void JS_FASTCALL ElemInc(VMFrame &f);
 155 template<JSBool strict> void JS_FASTCALL ElemDec(VMFrame &f);
 156 template<JSBool strict> void JS_FASTCALL IncElem(VMFrame &f);
 157 template<JSBool strict> void JS_FASTCALL DecElem(VMFrame &f);
 158 void JS_FASTCALL CallProp(VMFrame &f, JSAtom *atom);
 159 template <JSBool strict> void JS_FASTCALL DelProp(VMFrame &f, JSAtom *atom);
 160 template <JSBool strict> void JS_FASTCALL DelElem(VMFrame &f);
 161 void JS_FASTCALL DelName(VMFrame &f, JSAtom *atom);
 162 JSBool JS_FASTCALL In(VMFrame &f);
 163
 164 void JS_FASTCALL DefVarOrConst(VMFrame &f, JSAtom *atom);
 165 void JS_FASTCALL SetConst(VMFrame &f, JSAtom *atom);
 166 template<JSBool strict> void JS_FASTCALL DefFun(VMFrame &f, JSFunction *fun);
 167 JSObject * JS_FASTCALL DefLocalFun(VMFrame &f, JSFunction *fun);
 168 JSObject * JS_FASTCALL DefLocalFun_FC(VMFrame &f, JSFunction *fun);
 169 JSObject * JS_FASTCALL RegExp(VMFrame &f, JSObject *regex);
 170 JSObject * JS_FASTCALL Lambda(VMFrame &f, JSFunction *fun);
 171 JSObject * JS_FASTCALL LambdaForInit(VMFrame &f, JSFunction *fun);
 172 JSObject * JS_FASTCALL LambdaForSet(VMFrame &f, JSFunction *fun);
 173 JSObject * JS_FASTCALL LambdaJoinableForCall(VMFrame &f, JSFunction *fun);
 174 JSObject * JS_FASTCALL LambdaJoinableForNull(VMFrame &f, JSFunction *fun);
 175 JSObject * JS_FASTCALL FlatLambda(VMFrame &f, JSFunction *fun);
 176 void JS_FASTCALL Arguments(VMFrame &f);
 177 void JS_FASTCALL ArgSub(VMFrame &f, uint32 n);
 178 void JS_FASTCALL EnterBlock(VMFrame &f, JSObject *obj);
 179 void JS_FASTCALL LeaveBlock(VMFrame &f, JSObject *blockChain);
 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 template <bool strict> int32 JS_FASTCALL ConvertToTypedInt(JSContext *cx, Value *vp);
 219 void JS_FASTCALL ConvertToTypedFloat(JSContext *cx, Value *vp);
 220
 221 void JS_FASTCALL Exception(VMFrame &f);
 222
 223 } /* namespace stubs */
 224
 225 /*
 226  * If COND is true, return A; otherwise, return B. This allows us to choose between
 227  * function template instantiations without running afoul of C++'s overload resolution
 228  * rules. (Try simplifying, and you'll either see the problem --- or have found a
 229  * better solution!)
 230  */
 231 template<typename FuncPtr>
 232 inline FuncPtr FunctionTemplateConditional(bool cond, FuncPtr a, FuncPtr b) {
 233     return cond ? a : b;
 234 }
 235
 236 }} /* namespace stubs,mjit,js */
 237
 238 extern "C" void *
 239 js_InternalThrow(js::VMFrame &f);
 240
 241 #endif /* jslogic_h__ */
 242