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203 lines
9.1 KiB
C
203 lines
9.1 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sw=4 et tw=99:
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
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* May 28, 2008.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Corporation.
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*
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* Contributor(s):
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* Jason Orendorff <jorendorff@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef jsbuiltins_h___
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#define jsbuiltins_h___
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#ifdef JS_TRACER
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#include "nanojit.h"
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enum JSTNErrType { INFALLIBLE, FAIL_NULL, FAIL_NEG, FAIL_VOID, FAIL_JSVAL };
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enum { JSTN_ERRTYPE_MASK = 7, JSTN_MORE = 8 };
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#define JSTN_ERRTYPE(jstn) ((jstn)->flags & JSTN_ERRTYPE_MASK)
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struct JSTraceableNative {
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JSFastNative native;
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const nanojit::CallInfo *builtin;
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const char *prefix;
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const char *argtypes;
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uintN flags; /* JSTN_MORE | JSTNErrType */
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};
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/*
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* We use a magic boxed pointer value to represent error conditions that
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* trigger a side exit. The address is so low that it should never be actually
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* in use. If it is, a performance regression occurs, not an actual runtime
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* error.
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*/
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#define JSVAL_ERROR_COOKIE OBJECT_TO_JSVAL((void*)0x10)
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/*
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* We also need a magic unboxed 32-bit integer that signals an error. Again if
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* this number is hit we experience a performance regression, not a runtime
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* error.
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*/
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#define INT32_ERROR_COOKIE 0xffffabcd
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/* Macros used by JS_DEFINE_CALLINFOn. */
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#ifdef DEBUG
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#define _JS_CI_NAME(op) ,#op
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#else
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#define _JS_CI_NAME(op)
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#endif
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#define _JS_I32_ARGSIZE nanojit::ARGSIZE_LO
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#define _JS_I32_RETSIZE nanojit::ARGSIZE_LO
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#define _JS_F64_ARGSIZE nanojit::ARGSIZE_F
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#define _JS_F64_RETSIZE nanojit::ARGSIZE_F
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#define _JS_PTR_ARGSIZE nanojit::ARGSIZE_LO
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#if defined AVMPLUS_64BIT
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# define _JS_PTR_RETSIZE nanojit::ARGSIZE_Q
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#else
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# define _JS_PTR_RETSIZE nanojit::ARGSIZE_LO
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#endif
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/* Supported types for builtin functions. */
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#define _JS_TYPEINFO(ctype, size) (ctype, size)
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#define _JS_TYPEINFO_CONTEXT _JS_TYPEINFO(JSContext *, _JS_PTR)
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#define _JS_TYPEINFO_RUNTIME _JS_TYPEINFO(JSRuntime *, _JS_PTR)
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#define _JS_TYPEINFO_JSVAL _JS_TYPEINFO(jsval, _JS_I32)
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#define _JS_TYPEINFO_BOOL _JS_TYPEINFO(JSBool, _JS_I32)
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#define _JS_TYPEINFO_INT32 _JS_TYPEINFO(int32, _JS_I32)
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#define _JS_TYPEINFO_UINT32 _JS_TYPEINFO(uint32, _JS_I32)
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#define _JS_TYPEINFO_DOUBLE _JS_TYPEINFO(jsdouble, _JS_F64)
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#define _JS_TYPEINFO_STRING _JS_TYPEINFO(JSString *, _JS_PTR)
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#define _JS_TYPEINFO_OBJECT _JS_TYPEINFO(JSObject *, _JS_PTR)
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#define _JS_TYPEINFO_SCOPEPROP _JS_TYPEINFO(JSScopeProperty *, _JS_PTR)
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#define _JS_TYPEINFO_PC _JS_TYPEINFO(jsbytecode *, _JS_PTR)
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#define _JS_TYPEINFO_GUARDRECORD _JS_TYPEINFO(nanojit::GuardRecord *, _JS_PTR)
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#define _JS_TYPEINFO_INTERPSTATE _JS_TYPEINFO(avmplus::InterpState *, _JS_PTR)
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#define _JS_TYPEINFO_FRAGMENT _JS_TYPEINFO(nanojit::Fragment *, _JS_PTR)
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#define _JS_EXPAND(tokens) tokens
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#define _JS_CTYPE2(ctype, size) ctype
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#define _JS_CTYPE(tyname) _JS_EXPAND(_JS_CTYPE2 _JS_TYPEINFO_##tyname)
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#define _JS_RETSIZE2(ctype, size) size##_ARGSIZE
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#define _JS_RETSIZE(tyname) _JS_EXPAND(_JS_RETSIZE2 _JS_TYPEINFO_##tyname)
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#define _JS_ARGSIZE2(ctype, size) size##_RETSIZE
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#define _JS_ARGSIZE(tyname) _JS_EXPAND(_JS_ARGSIZE2 _JS_TYPEINFO_##tyname)
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#define _JS_DEFINE_CALLINFO(name, crtype, cargtypes, argtypes, cse, fold) \
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crtype FASTCALL js_##name cargtypes; \
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const nanojit::CallInfo ci_##name = \
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{ (intptr_t) &js_##name, argtypes, cse, fold _JS_CI_NAME(name) };
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/*
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* Declare a C function named js_<op> and a CallInfo struct named ci_<op> so
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* the tracer can call it.
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*/
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#define JS_DEFINE_CALLINFO_1(rt, op, at0, cse, fold) \
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_JS_DEFINE_CALLINFO(op, _JS_CTYPE(rt), (_JS_CTYPE(at0)), \
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(_JS_ARGSIZE(at0) << 2) | _JS_RETSIZE(rt), cse, fold)
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#define JS_DEFINE_CALLINFO_2(rt, op, at0, at1, cse, fold) \
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_JS_DEFINE_CALLINFO(op, _JS_CTYPE(rt), (_JS_CTYPE(at0), _JS_CTYPE(at1)), \
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(_JS_ARGSIZE(at0) << 4) | (_JS_ARGSIZE(at1) << 2) | _JS_RETSIZE(rt), \
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cse, fold)
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#define JS_DEFINE_CALLINFO_3(rt, op, at0, at1, at2, cse, fold) \
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_JS_DEFINE_CALLINFO(op, _JS_CTYPE(rt), (_JS_CTYPE(at0), _JS_CTYPE(at1), _JS_CTYPE(at2)), \
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(_JS_ARGSIZE(at0) << 6) | (_JS_ARGSIZE(at1) << 4) | \
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(_JS_ARGSIZE(at2) << 2) | _JS_RETSIZE(rt), \
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cse, fold)
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#define JS_DEFINE_CALLINFO_4(rt, op, at0, at1, at2, at3, cse, fold) \
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_JS_DEFINE_CALLINFO(op, _JS_CTYPE(rt), (_JS_CTYPE(at0), _JS_CTYPE(at1), _JS_CTYPE(at2), \
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_JS_CTYPE(at3)), \
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(_JS_ARGSIZE(at0) << 8) | (_JS_ARGSIZE(at1) << 6) | \
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(_JS_ARGSIZE(at2) << 4) | (_JS_ARGSIZE(at3) << 2) | _JS_RETSIZE(rt), \
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cse, fold)
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#define JS_DEFINE_CALLINFO_5(rt, op, at0, at1, at2, at3, at4, cse, fold) \
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_JS_DEFINE_CALLINFO(op, _JS_CTYPE(rt), (_JS_CTYPE(at0), _JS_CTYPE(at1), _JS_CTYPE(at2), \
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_JS_CTYPE(at3), _JS_CTYPE(at4)), \
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(_JS_ARGSIZE(at0) << 10) | (_JS_ARGSIZE(at1) << 8) | \
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(_JS_ARGSIZE(at2) << 6) | (_JS_ARGSIZE(at3) << 4) | \
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(_JS_ARGSIZE(at4) << 2) | _JS_RETSIZE(rt), \
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cse, fold)
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#define JS_DECLARE_CALLINFO(name) extern const nanojit::CallInfo ci_##name;
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#else
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#define JS_DEFINE_CALLINFO_1(rt, op, at0, cse, fold)
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#define JS_DEFINE_CALLINFO_2(rt, op, at0, at1, cse, fold)
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#define JS_DEFINE_CALLINFO_3(rt, op, at0, at1, at2, cse, fold)
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#define JS_DEFINE_CALLINFO_4(rt, op, at0, at1, at2, at3, cse, fold)
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#define JS_DEFINE_CALLINFO_5(rt, op, at0, at1, at2, at3, at4, cse, fold)
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#define JS_DECLARE_CALLINFO(name)
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#endif /* !JS_TRACER */
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/* Defined in jsarray.cpp */
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JS_DECLARE_CALLINFO(Array_dense_setelem)
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JS_DECLARE_CALLINFO(FastNewArray)
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JS_DECLARE_CALLINFO(Array_1int)
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JS_DECLARE_CALLINFO(Array_1str)
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JS_DECLARE_CALLINFO(Array_2obj)
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JS_DECLARE_CALLINFO(Array_3num)
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/* Defined in jsdate.cpp */
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JS_DECLARE_CALLINFO(FastNewDate)
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/* Defined in jsnum.cpp */
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JS_DECLARE_CALLINFO(NumberToString)
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/* Defined in jsstr.cpp */
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JS_DECLARE_CALLINFO(ConcatStrings)
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JS_DECLARE_CALLINFO(String_getelem)
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JS_DECLARE_CALLINFO(String_p_charCodeAt)
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JS_DECLARE_CALLINFO(EqualStrings)
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JS_DECLARE_CALLINFO(CompareStrings)
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/* Defined in jsbuiltins.cpp */
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#define BUILTIN1(rt, op, at0, cse, fold) JS_DECLARE_CALLINFO(op)
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#define BUILTIN2(rt, op, at0, at1, cse, fold) JS_DECLARE_CALLINFO(op)
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#define BUILTIN3(rt, op, at0, at1, at2, cse, fold) JS_DECLARE_CALLINFO(op)
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#define BUILTIN4(rt, op, at0, at1, at2, at3, cse, fold) JS_DECLARE_CALLINFO(op)
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#define BUILTIN5(rt, op, at0, at1, at2, at3, at4, cse, fold) JS_DECLARE_CALLINFO(op)
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#include "builtins.tbl"
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#undef BUILTIN
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#undef BUILTIN1
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#undef BUILTIN2
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#undef BUILTIN3
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#undef BUILTIN4
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#undef BUILTIN5
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#endif /* jsbuiltins_h___ */
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