diff options
Diffstat (limited to 'Source/JavaScriptCore/assembler/MacroAssemblerMIPS.h')
| -rw-r--r-- | Source/JavaScriptCore/assembler/MacroAssemblerMIPS.h | 143 |
1 files changed, 63 insertions, 80 deletions
diff --git a/Source/JavaScriptCore/assembler/MacroAssemblerMIPS.h b/Source/JavaScriptCore/assembler/MacroAssemblerMIPS.h index fcfbcda..1bcec38 100644 --- a/Source/JavaScriptCore/assembler/MacroAssemblerMIPS.h +++ b/Source/JavaScriptCore/assembler/MacroAssemblerMIPS.h @@ -95,7 +95,7 @@ public: // Integer arithmetic operations: // // Operations are typically two operand - operation(source, srcDst) - // For many operations the source may be an Imm32, the srcDst operand + // For many operations the source may be an TrustedImm32, the srcDst operand // may often be a memory location (explictly described using an Address // object). @@ -104,12 +104,12 @@ public: m_assembler.addu(dest, dest, src); } - void add32(Imm32 imm, RegisterID dest) + void add32(TrustedImm32 imm, RegisterID dest) { add32(imm, dest, dest); } - void add32(Imm32 imm, RegisterID src, RegisterID dest) + void add32(TrustedImm32 imm, RegisterID src, RegisterID dest) { if (!imm.m_isPointer && imm.m_value >= -32768 && imm.m_value <= 32767 && !m_fixedWidth) { @@ -127,7 +127,7 @@ public: } } - void add32(Imm32 imm, Address address) + void add32(TrustedImm32 imm, Address address) { if (address.offset >= -32768 && address.offset <= 32767 && !m_fixedWidth) { @@ -207,7 +207,7 @@ public: } } - void add32(Imm32 imm, AbsoluteAddress address) + void add32(TrustedImm32 imm, AbsoluteAddress address) { /* li addrTemp, address @@ -216,7 +216,7 @@ public: addu dataTemp, dataTemp, immTemp sw dataTemp, 0(addrTemp) */ - move(ImmPtr(address.m_ptr), addrTempRegister); + move(TrustedImmPtr(address.m_ptr), addrTempRegister); m_assembler.lw(dataTempRegister, addrTempRegister, 0); if (!imm.m_isPointer && imm.m_value >= -32768 && imm.m_value <= 32767 && !m_fixedWidth) @@ -233,7 +233,7 @@ public: m_assembler.andInsn(dest, dest, src); } - void and32(Imm32 imm, RegisterID dest) + void and32(TrustedImm32 imm, RegisterID dest) { if (!imm.m_isPointer && !imm.m_value && !m_fixedWidth) move(MIPSRegisters::zero, dest); @@ -250,7 +250,7 @@ public: } } - void lshift32(Imm32 imm, RegisterID dest) + void lshift32(TrustedImm32 imm, RegisterID dest) { m_assembler.sll(dest, dest, imm.m_value); } @@ -265,7 +265,7 @@ public: m_assembler.mul(dest, dest, src); } - void mul32(Imm32 imm, RegisterID src, RegisterID dest) + void mul32(TrustedImm32 imm, RegisterID src, RegisterID dest) { if (!imm.m_isPointer && !imm.m_value && !m_fixedWidth) move(MIPSRegisters::zero, dest); @@ -296,7 +296,7 @@ public: m_assembler.orInsn(dest, dest, src); } - void or32(Imm32 imm, RegisterID dest) + void or32(TrustedImm32 imm, RegisterID dest) { if (!imm.m_isPointer && !imm.m_value && !m_fixedWidth) return; @@ -320,7 +320,7 @@ public: m_assembler.srav(dest, dest, shiftAmount); } - void rshift32(Imm32 imm, RegisterID dest) + void rshift32(TrustedImm32 imm, RegisterID dest) { m_assembler.sra(dest, dest, imm.m_value); } @@ -330,7 +330,7 @@ public: m_assembler.srlv(dest, dest, shiftAmount); } - void urshift32(Imm32 imm, RegisterID dest) + void urshift32(TrustedImm32 imm, RegisterID dest) { m_assembler.srl(dest, dest, imm.m_value); } @@ -340,7 +340,7 @@ public: m_assembler.subu(dest, dest, src); } - void sub32(Imm32 imm, RegisterID dest) + void sub32(TrustedImm32 imm, RegisterID dest) { if (!imm.m_isPointer && imm.m_value >= -32767 && imm.m_value <= 32768 && !m_fixedWidth) { @@ -358,7 +358,7 @@ public: } } - void sub32(Imm32 imm, Address address) + void sub32(TrustedImm32 imm, Address address) { if (address.offset >= -32768 && address.offset <= 32767 && !m_fixedWidth) { @@ -413,7 +413,7 @@ public: sub32(dataTempRegister, dest); } - void sub32(Imm32 imm, AbsoluteAddress address) + void sub32(TrustedImm32 imm, AbsoluteAddress address) { /* li addrTemp, address @@ -422,7 +422,7 @@ public: subu dataTemp, dataTemp, immTemp sw dataTemp, 0(addrTemp) */ - move(ImmPtr(address.m_ptr), addrTempRegister); + move(TrustedImmPtr(address.m_ptr), addrTempRegister); m_assembler.lw(dataTempRegister, addrTempRegister, 0); if (!imm.m_isPointer && imm.m_value >= -32767 && imm.m_value <= 32768 @@ -441,7 +441,7 @@ public: m_assembler.xorInsn(dest, dest, src); } - void xor32(Imm32 imm, RegisterID dest) + void xor32(TrustedImm32 imm, RegisterID dest) { /* li immTemp, imm @@ -459,7 +459,7 @@ public: // Memory access operations: // // Loads are of the form load(address, destination) and stores of the form - // store(source, address). The source for a store may be an Imm32. Address + // store(source, address). The source for a store may be an TrustedImm32. Address // operand objects to loads and store will be implicitly constructed if a // register is passed. @@ -581,13 +581,13 @@ public: } } - void load32(void* address, RegisterID dest) + void load32(const void* address, RegisterID dest) { /* li addrTemp, address lw dest, 0(addrTemp) */ - move(ImmPtr(address), addrTempRegister); + move(TrustedImmPtr(address), addrTempRegister); m_assembler.lw(dest, addrTempRegister, 0); } @@ -601,30 +601,13 @@ public: lw dest, 0(addrTemp) */ DataLabel32 dataLabel(this); - move(Imm32(address.offset), addrTempRegister); + move(TrustedImm32(address.offset), addrTempRegister); m_assembler.addu(addrTempRegister, addrTempRegister, address.base); m_assembler.lw(dest, addrTempRegister, 0); m_fixedWidth = false; return dataLabel; } - Label loadPtrWithPatchToLEA(Address address, RegisterID dest) - { - m_fixedWidth = true; - /* - lui addrTemp, address.offset >> 16 - ori addrTemp, addrTemp, address.offset & 0xffff - addu addrTemp, addrTemp, address.base - lw dest, 0(addrTemp) - */ - Label label(this); - move(Imm32(address.offset), addrTempRegister); - m_assembler.addu(addrTempRegister, addrTempRegister, address.base); - m_assembler.lw(dest, addrTempRegister, 0); - m_fixedWidth = false; - return label; - } - /* Need to use zero-extened load half-word for load16. */ void load16(ImplicitAddress address, RegisterID dest) { @@ -683,7 +666,7 @@ public: sw src, 0(addrTemp) */ DataLabel32 dataLabel(this); - move(Imm32(address.offset), addrTempRegister); + move(TrustedImm32(address.offset), addrTempRegister); m_assembler.addu(addrTempRegister, addrTempRegister, address.base); m_assembler.sw(src, addrTempRegister, 0); m_fixedWidth = false; @@ -736,7 +719,7 @@ public: } } - void store32(Imm32 imm, ImplicitAddress address) + void store32(TrustedImm32 imm, ImplicitAddress address) { if (address.offset >= -32768 && address.offset <= 32767 && !m_fixedWidth) { @@ -766,17 +749,17 @@ public: } } - void store32(RegisterID src, void* address) + void store32(RegisterID src, const void* address) { /* li addrTemp, address sw src, 0(addrTemp) */ - move(ImmPtr(address), addrTempRegister); + move(TrustedImmPtr(address), addrTempRegister); m_assembler.sw(src, addrTempRegister, 0); } - void store32(Imm32 imm, void* address) + void store32(TrustedImm32 imm, const void* address) { /* li immTemp, imm @@ -784,11 +767,11 @@ public: sw src, 0(addrTemp) */ if (!imm.m_isPointer && !imm.m_value && !m_fixedWidth) { - move(ImmPtr(address), addrTempRegister); + move(TrustedImmPtr(address), addrTempRegister); m_assembler.sw(MIPSRegisters::zero, addrTempRegister, 0); } else { move(imm, immTempRegister); - move(ImmPtr(address), addrTempRegister); + move(TrustedImmPtr(address), addrTempRegister); m_assembler.sw(immTempRegister, addrTempRegister, 0); } } @@ -848,7 +831,7 @@ public: push(dataTempRegister); } - void push(Imm32 imm) + void push(TrustedImm32 imm) { move(imm, immTempRegister); push(immTempRegister); @@ -858,7 +841,7 @@ public: // // Move values in registers. - void move(Imm32 imm, RegisterID dest) + void move(TrustedImm32 imm, RegisterID dest) { if (!imm.m_isPointer && !imm.m_value && !m_fixedWidth) move(MIPSRegisters::zero, dest); @@ -875,9 +858,9 @@ public: m_assembler.move(dest, src); } - void move(ImmPtr imm, RegisterID dest) + void move(TrustedImmPtr imm, RegisterID dest) { - move(Imm32(imm), dest); + move(TrustedImm32(imm), dest); } void swap(RegisterID reg1, RegisterID reg2) @@ -911,13 +894,13 @@ public: // used (representing the names 'below' and 'above'). // // Operands to the comparision are provided in the expected order, e.g. - // jle32(reg1, Imm32(5)) will branch if the value held in reg1, when + // jle32(reg1, TrustedImm32(5)) will branch if the value held in reg1, when // treated as a signed 32bit value, is less than or equal to 5. // // jz and jnz test whether the first operand is equal to zero, and take // an optional second operand of a mask under which to perform the test. - Jump branch8(Condition cond, Address left, Imm32 right) + Jump branch8(Condition cond, Address left, TrustedImm32 right) { // Make sure the immediate value is unsigned 8 bits. ASSERT(!(right.m_value & 0xFFFFFF00)); @@ -1002,7 +985,7 @@ public: return Jump(); } - Jump branch32(Condition cond, RegisterID left, Imm32 right) + Jump branch32(Condition cond, RegisterID left, TrustedImm32 right) { move(right, immTempRegister); return branch32(cond, left, immTempRegister); @@ -1020,14 +1003,14 @@ public: return branch32(cond, dataTempRegister, right); } - Jump branch32(Condition cond, Address left, Imm32 right) + Jump branch32(Condition cond, Address left, TrustedImm32 right) { load32(left, dataTempRegister); move(right, immTempRegister); return branch32(cond, dataTempRegister, immTempRegister); } - Jump branch32(Condition cond, BaseIndex left, Imm32 right) + Jump branch32(Condition cond, BaseIndex left, TrustedImm32 right) { load32(left, dataTempRegister); // Be careful that the previous load32() uses immTempRegister. @@ -1036,7 +1019,7 @@ public: return branch32(cond, dataTempRegister, immTempRegister); } - Jump branch32WithUnalignedHalfWords(Condition cond, BaseIndex left, Imm32 right) + Jump branch32WithUnalignedHalfWords(Condition cond, BaseIndex left, TrustedImm32 right) { load32WithUnalignedHalfWords(left, dataTempRegister); // Be careful that the previous load32WithUnalignedHalfWords() @@ -1052,7 +1035,7 @@ public: return branch32(cond, dataTempRegister, right); } - Jump branch32(Condition cond, AbsoluteAddress left, Imm32 right) + Jump branch32(Condition cond, AbsoluteAddress left, TrustedImm32 right) { load32(left.m_ptr, dataTempRegister); move(right, immTempRegister); @@ -1065,7 +1048,7 @@ public: return branch32(cond, dataTempRegister, right); } - Jump branch16(Condition cond, BaseIndex left, Imm32 right) + Jump branch16(Condition cond, BaseIndex left, TrustedImm32 right) { ASSERT(!(right.m_value & 0xFFFF0000)); load16(left, dataTempRegister); @@ -1084,7 +1067,7 @@ public: return branchNotEqual(cmpTempRegister, MIPSRegisters::zero); } - Jump branchTest32(Condition cond, RegisterID reg, Imm32 mask = Imm32(-1)) + Jump branchTest32(Condition cond, RegisterID reg, TrustedImm32 mask = TrustedImm32(-1)) { ASSERT((cond == Zero) || (cond == NonZero)); if (mask.m_value == -1 && !m_fixedWidth) { @@ -1096,19 +1079,19 @@ public: return branchTest32(cond, reg, immTempRegister); } - Jump branchTest32(Condition cond, Address address, Imm32 mask = Imm32(-1)) + Jump branchTest32(Condition cond, Address address, TrustedImm32 mask = TrustedImm32(-1)) { load32(address, dataTempRegister); return branchTest32(cond, dataTempRegister, mask); } - Jump branchTest32(Condition cond, BaseIndex address, Imm32 mask = Imm32(-1)) + Jump branchTest32(Condition cond, BaseIndex address, TrustedImm32 mask = TrustedImm32(-1)) { load32(address, dataTempRegister); return branchTest32(cond, dataTempRegister, mask); } - Jump branchTest8(Condition cond, Address address, Imm32 mask = Imm32(-1)) + Jump branchTest8(Condition cond, Address address, TrustedImm32 mask = TrustedImm32(-1)) { load8(address, dataTempRegister); return branchTest32(cond, dataTempRegister, mask); @@ -1191,7 +1174,7 @@ public: return Jump(); } - Jump branchAdd32(Condition cond, Imm32 imm, RegisterID dest) + Jump branchAdd32(Condition cond, TrustedImm32 imm, RegisterID dest) { move(imm, immTempRegister); return branchAdd32(cond, immTempRegister, dest); @@ -1242,7 +1225,7 @@ public: return Jump(); } - Jump branchMul32(Condition cond, Imm32 imm, RegisterID src, RegisterID dest) + Jump branchMul32(Condition cond, TrustedImm32 imm, RegisterID src, RegisterID dest) { move(imm, immTempRegister); move(src, dest); @@ -1296,7 +1279,7 @@ public: return Jump(); } - Jump branchSub32(Condition cond, Imm32 imm, RegisterID dest) + Jump branchSub32(Condition cond, TrustedImm32 imm, RegisterID dest) { move(imm, immTempRegister); return branchSub32(cond, immTempRegister, dest); @@ -1377,7 +1360,7 @@ public: set32Compare32(cond, left, right, dest); } - void set8Compare32(Condition cond, RegisterID left, Imm32 right, RegisterID dest) + void set8Compare32(Condition cond, RegisterID left, TrustedImm32 right, RegisterID dest) { move(right, immTempRegister); set32Compare32(cond, left, immTempRegister, dest); @@ -1434,13 +1417,13 @@ public: } } - void set32Compare32(Condition cond, RegisterID left, Imm32 right, RegisterID dest) + void set32Compare32(Condition cond, RegisterID left, TrustedImm32 right, RegisterID dest) { move(right, immTempRegister); set32Compare32(cond, left, immTempRegister, dest); } - void set32Test8(Condition cond, Address address, Imm32 mask, RegisterID dest) + void set32Test8(Condition cond, Address address, TrustedImm32 mask, RegisterID dest) { ASSERT((cond == Zero) || (cond == NonZero)); load8(address, dataTempRegister); @@ -1460,7 +1443,7 @@ public: } } - void set32Test32(Condition cond, Address address, Imm32 mask, RegisterID dest) + void set32Test32(Condition cond, Address address, TrustedImm32 mask, RegisterID dest) { ASSERT((cond == Zero) || (cond == NonZero)); load32(address, dataTempRegister); @@ -1480,7 +1463,7 @@ public: } } - DataLabel32 moveWithPatch(Imm32 imm, RegisterID dest) + DataLabel32 moveWithPatch(TrustedImm32 imm, RegisterID dest) { m_fixedWidth = true; DataLabel32 label(this); @@ -1489,7 +1472,7 @@ public: return label; } - DataLabelPtr moveWithPatch(ImmPtr initialValue, RegisterID dest) + DataLabelPtr moveWithPatch(TrustedImmPtr initialValue, RegisterID dest) { m_fixedWidth = true; DataLabelPtr label(this); @@ -1498,7 +1481,7 @@ public: return label; } - Jump branchPtrWithPatch(Condition cond, RegisterID left, DataLabelPtr& dataLabel, ImmPtr initialRightValue = ImmPtr(0)) + Jump branchPtrWithPatch(Condition cond, RegisterID left, DataLabelPtr& dataLabel, TrustedImmPtr initialRightValue = TrustedImmPtr(0)) { m_fixedWidth = true; dataLabel = moveWithPatch(initialRightValue, immTempRegister); @@ -1507,7 +1490,7 @@ public: return temp; } - Jump branchPtrWithPatch(Condition cond, Address left, DataLabelPtr& dataLabel, ImmPtr initialRightValue = ImmPtr(0)) + Jump branchPtrWithPatch(Condition cond, Address left, DataLabelPtr& dataLabel, TrustedImmPtr initialRightValue = TrustedImmPtr(0)) { m_fixedWidth = true; load32(left, dataTempRegister); @@ -1517,7 +1500,7 @@ public: return temp; } - DataLabelPtr storePtrWithPatch(ImmPtr initialValue, ImplicitAddress address) + DataLabelPtr storePtrWithPatch(TrustedImmPtr initialValue, ImplicitAddress address) { m_fixedWidth = true; DataLabelPtr dataLabel = moveWithPatch(initialValue, dataTempRegister); @@ -1528,14 +1511,14 @@ public: DataLabelPtr storePtrWithPatch(ImplicitAddress address) { - return storePtrWithPatch(ImmPtr(0), address); + return storePtrWithPatch(TrustedImmPtr(0), address); } Call tailRecursiveCall() { // Like a normal call, but don't update the returned address register m_fixedWidth = true; - move(Imm32(0), MIPSRegisters::t9); + move(TrustedImm32(0), MIPSRegisters::t9); m_assembler.jr(MIPSRegisters::t9); m_assembler.nop(); m_fixedWidth = false; @@ -1557,7 +1540,7 @@ public: lwc1 dest, 0(addrTemp) lwc1 dest+1, 4(addrTemp) */ - move(Imm32(address.offset), addrTempRegister); + move(TrustedImm32(address.offset), addrTempRegister); m_assembler.addu(addrTempRegister, addrTempRegister, address.base); m_assembler.lwc1(dest, addrTempRegister, 0); m_assembler.lwc1(FPRegisterID(dest + 1), addrTempRegister, 4); @@ -1586,7 +1569,7 @@ public: lwc1 dest, 0(addrTemp) lwc1 dest+1, 4(addrTemp) */ - move(ImmPtr(address), addrTempRegister); + move(TrustedImmPtr(address), addrTempRegister); m_assembler.lwc1(dest, addrTempRegister, 0); m_assembler.lwc1(FPRegisterID(dest + 1), addrTempRegister, 4); #else @@ -1594,7 +1577,7 @@ public: li addrTemp, address ldc1 dest, 0(addrTemp) */ - move(ImmPtr(address), addrTempRegister); + move(TrustedImmPtr(address), addrTempRegister); m_assembler.ldc1(dest, addrTempRegister, 0); #endif } @@ -1609,7 +1592,7 @@ public: swc1 dest, 0(addrTemp) swc1 dest+1, 4(addrTemp) */ - move(Imm32(address.offset), addrTempRegister); + move(TrustedImm32(address.offset), addrTempRegister); m_assembler.addu(addrTempRegister, addrTempRegister, address.base); m_assembler.swc1(src, addrTempRegister, 0); m_assembler.swc1(FPRegisterID(src + 1), addrTempRegister, 4); @@ -1796,7 +1779,7 @@ public: { m_assembler.truncwd(fpTempRegister, src); m_assembler.mfc1(dest, fpTempRegister); - return branch32(Equal, dest, Imm32(0x7fffffff)); + return branch32(Equal, dest, TrustedImm32(0x7fffffff)); } // Convert 'src' to an integer, and places the resulting 'dest'. |