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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef jit_BaselineCompiler_h
#define jit_BaselineCompiler_h
#ifdef JS_ION
#include "jscntxt.h"
#include "jscompartment.h"
#include "IonCode.h"
#include "jsinfer.h"
#include "vm/Interpreter.h"
#include "IonAllocPolicy.h"
#include "BaselineJIT.h"
#include "BaselineIC.h"
#include "FixedList.h"
#include "BytecodeAnalysis.h"
#if defined(JS_CPU_X86)
# include "x86/BaselineCompiler-x86.h"
#elif defined(JS_CPU_X64)
# include "x64/BaselineCompiler-x64.h"
#elif defined(JS_CPU_ARM)
# include "arm/BaselineCompiler-arm.h"
#elif defined(JS_CPU_MIPS)
# include "mips/BaselineCompiler-mips.h"
#else
# error "Unknown CPU architecture."
#endif
namespace js {
namespace jit {
#define OPCODE_LIST(_) \
_(JSOP_NOP) \
_(JSOP_LABEL) \
_(JSOP_NOTEARG) \
_(JSOP_POP) \
_(JSOP_POPN) \
_(JSOP_DUP) \
_(JSOP_DUP2) \
_(JSOP_SWAP) \
_(JSOP_PICK) \
_(JSOP_GOTO) \
_(JSOP_IFEQ) \
_(JSOP_IFNE) \
_(JSOP_AND) \
_(JSOP_OR) \
_(JSOP_NOT) \
_(JSOP_POS) \
_(JSOP_LOOPHEAD) \
_(JSOP_LOOPENTRY) \
_(JSOP_VOID) \
_(JSOP_UNDEFINED) \
_(JSOP_HOLE) \
_(JSOP_NULL) \
_(JSOP_THIS) \
_(JSOP_TRUE) \
_(JSOP_FALSE) \
_(JSOP_ZERO) \
_(JSOP_ONE) \
_(JSOP_INT8) \
_(JSOP_INT32) \
_(JSOP_UINT16) \
_(JSOP_UINT24) \
_(JSOP_DOUBLE) \
_(JSOP_STRING) \
_(JSOP_OBJECT) \
_(JSOP_REGEXP) \
_(JSOP_LAMBDA) \
_(JSOP_BITOR) \
_(JSOP_BITXOR) \
_(JSOP_BITAND) \
_(JSOP_LSH) \
_(JSOP_RSH) \
_(JSOP_URSH) \
_(JSOP_ADD) \
_(JSOP_SUB) \
_(JSOP_MUL) \
_(JSOP_DIV) \
_(JSOP_MOD) \
_(JSOP_LT) \
_(JSOP_LE) \
_(JSOP_GT) \
_(JSOP_GE) \
_(JSOP_EQ) \
_(JSOP_NE) \
_(JSOP_STRICTEQ) \
_(JSOP_STRICTNE) \
_(JSOP_CONDSWITCH) \
_(JSOP_CASE) \
_(JSOP_DEFAULT) \
_(JSOP_LINENO) \
_(JSOP_BITNOT) \
_(JSOP_NEG) \
_(JSOP_NEWARRAY) \
_(JSOP_INITELEM_ARRAY) \
_(JSOP_NEWOBJECT) \
_(JSOP_NEWINIT) \
_(JSOP_INITELEM) \
_(JSOP_INITELEM_GETTER) \
_(JSOP_INITELEM_SETTER) \
_(JSOP_INITPROP) \
_(JSOP_INITPROP_GETTER) \
_(JSOP_INITPROP_SETTER) \
_(JSOP_ENDINIT) \
_(JSOP_GETELEM) \
_(JSOP_SETELEM) \
_(JSOP_CALLELEM) \
_(JSOP_ENUMELEM) \
_(JSOP_DELELEM) \
_(JSOP_IN) \
_(JSOP_GETGNAME) \
_(JSOP_CALLGNAME) \
_(JSOP_BINDGNAME) \
_(JSOP_SETGNAME) \
_(JSOP_SETNAME) \
_(JSOP_GETPROP) \
_(JSOP_SETPROP) \
_(JSOP_CALLPROP) \
_(JSOP_DELPROP) \
_(JSOP_LENGTH) \
_(JSOP_GETXPROP) \
_(JSOP_GETALIASEDVAR) \
_(JSOP_CALLALIASEDVAR) \
_(JSOP_SETALIASEDVAR) \
_(JSOP_NAME) \
_(JSOP_CALLNAME) \
_(JSOP_BINDNAME) \
_(JSOP_DELNAME) \
_(JSOP_GETINTRINSIC) \
_(JSOP_CALLINTRINSIC) \
_(JSOP_DEFVAR) \
_(JSOP_DEFCONST) \
_(JSOP_SETCONST) \
_(JSOP_DEFFUN) \
_(JSOP_GETLOCAL) \
_(JSOP_CALLLOCAL) \
_(JSOP_SETLOCAL) \
_(JSOP_GETARG) \
_(JSOP_CALLARG) \
_(JSOP_SETARG) \
_(JSOP_CALL) \
_(JSOP_FUNCALL) \
_(JSOP_FUNAPPLY) \
_(JSOP_NEW) \
_(JSOP_EVAL) \
_(JSOP_IMPLICITTHIS) \
_(JSOP_INSTANCEOF) \
_(JSOP_TYPEOF) \
_(JSOP_TYPEOFEXPR) \
_(JSOP_SETCALL) \
_(JSOP_THROW) \
_(JSOP_TRY) \
_(JSOP_FINALLY) \
_(JSOP_GOSUB) \
_(JSOP_RETSUB) \
_(JSOP_ENTERBLOCK) \
_(JSOP_ENTERLET0) \
_(JSOP_ENTERLET1) \
_(JSOP_LEAVEBLOCK) \
_(JSOP_LEAVEBLOCKEXPR) \
_(JSOP_LEAVEFORLETIN) \
_(JSOP_EXCEPTION) \
_(JSOP_DEBUGGER) \
_(JSOP_ARGUMENTS) \
_(JSOP_RUNONCE) \
_(JSOP_REST) \
_(JSOP_TOID) \
_(JSOP_TABLESWITCH) \
_(JSOP_ITER) \
_(JSOP_MOREITER) \
_(JSOP_ITERNEXT) \
_(JSOP_ENDITER) \
_(JSOP_CALLEE) \
_(JSOP_POPV) \
_(JSOP_SETRVAL) \
_(JSOP_RETURN) \
_(JSOP_STOP) \
_(JSOP_RETRVAL)
class BaselineCompiler : public BaselineCompilerSpecific
{
FixedList<Label> labels_;
HeapLabel * return_;
#ifdef JSGC_GENERATIONAL
HeapLabel * postBarrierSlot_;
#endif
// Native code offset right before the scope chain is initialized.
CodeOffsetLabel prologueOffset_;
Label *labelOf(jsbytecode *pc) {
return &labels_[pc - script->code];
}
public:
BaselineCompiler(JSContext *cx, HandleScript script);
bool init();
MethodStatus compile();
private:
MethodStatus emitBody();
bool emitPrologue();
bool emitEpilogue();
#ifdef JSGC_GENERATIONAL
bool emitOutOfLinePostBarrierSlot();
#endif
bool emitIC(ICStub *stub, bool isForOp);
bool emitOpIC(ICStub *stub) {
return emitIC(stub, true);
}
bool emitNonOpIC(ICStub *stub) {
return emitIC(stub, false);
}
bool emitStackCheck();
bool emitInterruptCheck();
bool emitUseCountIncrement();
bool emitArgumentTypeChecks();
bool emitDebugPrologue();
bool emitDebugTrap();
bool emitSPSPush();
void emitSPSPop();
bool initScopeChain();
void storeValue(const StackValue *source, const Address &dest,
const ValueOperand &scratch);
#define EMIT_OP(op) bool emit_##op();
OPCODE_LIST(EMIT_OP)
#undef EMIT_OP
// JSOP_NEG, JSOP_BITNOT
bool emitUnaryArith();
// JSOP_BITXOR, JSOP_LSH, JSOP_ADD etc.
bool emitBinaryArith();
// Handles JSOP_LT, JSOP_GT, and friends
bool emitCompare();
bool emitReturn();
bool emitToBoolean();
bool emitTest(bool branchIfTrue);
bool emitAndOr(bool branchIfTrue);
bool emitCall();
bool emitInitPropGetterSetter();
bool emitInitElemGetterSetter();
bool emitFormalArgAccess(uint32_t arg, bool get);
bool emitEnterBlock();
bool emitLeaveBlock();
bool addPCMappingEntry(bool addIndexEntry);
void getScopeCoordinateObject(Register reg);
Address getScopeCoordinateAddressFromObject(Register objReg, Register reg);
Address getScopeCoordinateAddress(Register reg);
};
} // namespace jit
} // namespace js
#endif // JS_ION
#endif /* jit_BaselineCompiler_h */