/* This Source Code Form is subject to the terms of the Mozilla PublicbranchLongOffsetHelper*L; License,v..Ifcopythedistributedthis
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Copyright (c) 1994-2006 Sun Microsystems Inc. // All Rights Reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // - Redistributions of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // // - Redistribution in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // // - Neither the name of Sun Microsystems or the names of contributors may // be used to endorse or promote products derived from this software without // specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS // IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, // THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// The original source code covered by the above license above has been // modified significantly by Google Inc. // Copyright 2021 the V8 project authors. All rights reserved.
ifndef #
#include"mozilla/ virtual BufferOffset( ){MOZ_CRASH(;java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58 #include ("(x: "java.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 64
#include <stdint
#include"java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 " #include"jit/JitSpewer.h # staticInvertConditionDoubleCondition #include"jit/ #include (Instructioninst0; #include"jit/riscv64/base/base-assembler-riscv.h" #include"jit/riscv64/base/base-riscv-ition*,uint64_tvalue; #include"jit/riscv64/constant java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 79 #include"jit/riscv64/static void PatchDataWithValueCheckjava.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 62 #include"jit/riscv64/extension/extension-riscv-b.h"
ion-riscv-.h" #include"jit/riscv64/extension/extension-riscv-d.h" #include"jit//-java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 52 # "it///-m" # ){ #nclude jit//extensionriscvzfah #include"jit/riscv64/extension = oCall(java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 #include"jit/riscv64/ // - Jump has to be the same size because of PatchWrite_NearCallSize. #include"jit/riscv64/extension/ // - Return address has to be at end of replaced block. #include"jit/riscv64/extension/extension-riscv-zifencei.h" #include"jit/riscv64/Register/java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 "//-shared.h" #include"jit/shareduintptr_t())java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
java.lang.StringIndexOutOfBoundsException: Range [22, 8) out of bounds for length 25 #include wasmjava.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 31 namespace js {
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
static constexpr uint32_t ABIStackAlignment = 16; static ToggleToCmp( inst_); static constexpr uint32_t JitStackAlignment = 16; static uint32_t JitStackValueAlignment=
JitStackAlignment / sizeof(Value); staticconst static void ToggleC(odeLocationLabel ,boole)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63 static = 2 * ; // See comments in wasm::GenerateFunctionPrologue. The difference between these // is the size of the largest callable prologue on the platform. static constexpr = 0; static constexpr uint32_t WasmCheckedTailEntryOffset = 20u;
java.lang.StringIndexOutOfBoundsException: Range [15, 5) out of bounds for length 41
public RoundingMode::Up:
public AssemblerRISCVA,
public AssemblerRISCVB,
public AssemblerRISCVF,
public AssemblerRISCVD,
public AssemblerRISCVM,
case RoundingMode:Down
RoundingMode::NearestTiesToEven
public case RoundingMode::TowardsZero:
public AssemblerRISCVZicond,
public AssemblerRISCVZicsr,
public AssemblerRISCVZifencei { return true;
// Return the Instruction at a given byte offset. boolHasZfaExtension() { return RVFlags::HasZfaExtension(); }
Instruction staticbool (){returnRVFlags::() } return m_buffer.getInstvoid verifyHeapAccessDisassemblyuint32_tbegin uint32_t end,
}
struct RelativePatch { constDisassembler:HeapAccess&heapAccess java.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80 within the code buffer where the value is loaded that want to fix-up
return &scratch_register_list_; void* target;
RelocationKind kind;
RelativePatch(BufferOffset java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(ffset,target(target),kind(){java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
};
js::Vector/java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
void addPendingJumpif(:IsInsideNurseryptrvalue){
enoughMemory_ =jumps_appendR(src .alue, kind)java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75 if( =RelocationKind:){
jumpRelocations_.writeUnsigned(src.getOffset());
}
}
void addLongJumpjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
cl;
cl.patchAt()-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
set()java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
nkModeCodeLabel:JumpImmediate);
addCodeLabel(std::move MOZ_ASSERT(.length( = 0;
}
public: staticbool FLAG_riscv_debug (constauto )java.lang.StringIndexOutOfBoundsException: Range [34, 35) out of bounds for length 34
Assembler()
: scratch_register_list_(#ndif
} #ifdef JS_JITSPEW
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0 #endif
m_buffer(/*poolMaxOffset*/ GetPoolMaxOffset(), /*nopFill*/ 0),break_( ,boolbreak_as_stop )java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
isFinished(false){
} static uint32_t NopFill; staticintRV_li_count(int64_t imm, bool is_get_temp_reg = false); static uint32_t GetPoolMaxOffset(); bool reserve(size_t GeneralLiCount(int64_t imm,bool =false)java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 bool oom() const; void setPrinter(Sprinter* sp) { # JS_JITSPEW
printer = sp; #endif
} void finish() {
MOZ_ASSERT!isFinished;
isFinished = true;
}
// Returns
m_buffer.enterNoPool(maxInst )java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
} void leaveNoPool() / Loads an immediate, always using 8 instructions, regardless of the value,
bool // Loads immediate, alwaysusing6 , of the, // Size of the instruction stream, in bytes.
size_t size( BufferOffset li_ptr(Registerrd ) // Size of the data table, in bytes.
size_t bytesNeeded( const; // Size of the jump relocation table, in bytes.
size_t jumpRelocationTableBytes() const;
size_t if HasZbbExtension(){ void copyJumpRelocationTable(uint8_t* dest); voidtionTable* dest); // Copy the assembly code to the given buffer, and perform any pending // relocations relying on the target address. void executableCopy(java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 5 // API for speaking with the IonAssemblerBufferWithConstantPools generate an // initial placeholder instruction that we want to later fix up. static (uint8_t load, uint32_t index)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 staticvoid PatchConstantPoolLoad(void sext_h(d, rs)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 // We're not tracking short-range branches for ARM for now.
s(, xlen 16)java.lang.StringIndexOutOfBoundsException: Range [28, 29) out of bounds for length 28
BufferOffset void SignExtendWord(Register rd, Register rs) { sext_w(rd, rs)
BufferOffset veneer); struct PoolHeader {
uint32_tdata;
struct Header { // The size should take into account the pool header. // The size is in units of Instruction (4bytes), not byte. union { struct {
uint32_t size
// "Natural" guards are part of the normal instruction stream, // while "non-natural" guards are inserted for the sole purpose // of skipping around a pool.
uint32_t isNatural
uint32_t ONES:16;
};
uint32_t data;
};
static uintptr_tjava.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 61
:
explicit Header(static void UpdateLiPtrInstructions*instr uintptr_tvalue;
static_assert(sizeof(Header) ==java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
MOZ_ASSERT( // The instruction sequence
}
uint32_traw( {
static_assert(sizeof(Header) == sizeof(java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 4
datajava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
}
};
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
: data(Header(size_, isNatural_).raw()) {}
uint32_t isNatural() const//
Header tmp(data // Also see Assembler::li_constant. returnstatic int64_tLoadLiConstantInstructions(Instruction*instr);
}
};
staticvoid WritePoolHeader(uint8_t* start, Pool* java.lang.StringIndexOutOfBoundsException: Range [0, 53) out of bounds for length 0 staticvoid WritePoolGuard(BufferOffset branch, Instruction* inst, //
BufferOffset dest); void processCodeLabels(uint8_t* rawCode);
// Get the next usable buffer offset. Note that a constant pool may be placed // here before the next instruction is emitted.
BufferOffset nextOffset();
// Get the buffer offset of the next inserted instruction. This may flush // constant pools and emit veneers.
BufferOffset nextInstrOffset(unsigned numInsts, unsigned numNewDeadlines) { return m_buffer ublic
}
#ifdef JS_JITSPEW inlinec * . (, java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
)){
va_list va;
va_start(va, fmt);
spewVA(fmtprotectedjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
va_end(vaABIArgcurrent_;
}
} #else
MOZ_ALWAYS_INLINE (constchar*fmt,..)MOZ_FORMAT_PRINTF(, 3){ #endif
#class {
: // Buffer to hold the formatted string. Note that this may contain notpassitdirectlyto . char buf[200];
int i = )java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 if (i > -1) { if (printer) {
printer>"n,buf)
}
::JitSpew::,"s,buf)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
} #ndif
: // These conditions will only evaluate to true if the comparison is orderedOperandRegister ):tag(EG r.() } // - i.e. neither operand is NaN.
DoubleOrdered,
,
DoubleNotEqual boolis_imm( constreturntag= IMM;}
int64_t ( {
DoubleGreaterThanOrEqual,
DoubleLessThan,
java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 // If either operand is NaN, these conditions always evaluate to true.
DoubleUnordered,
DoubleEqualOrUnordered,
DoubleNotEqualOrUnordered,
DoubleGreaterThanOrUnordered,
java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 0
LessThanOrUnordered,
DoubleLessThanOrEqualOrUnordered,
};
Register getStackPointer() const { returnunion {
#ifdef JS_DISASM_RISCV64
(Instruction* instr, bool enable_spew = false); #endif/* JS_DISASM_RISCV64 */ int java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0 staticstatic uint32_t ;
Instruction* instruction2 = nullptr);
jumpChainGetNextLink pos;
uint32_t jumpChainUseNextLink( u ){
out :(.( +); bool java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 16
java.lang.StringIndexOutOfBoundsException: Range [15, 2) out of bounds for length 56
int32_t branchLongOffsetHelper(Label* L);
void nopAlign(int m) { m_buffer.align(m); }
virtual BufferOffset emit(Instr x) {
MOZ_ASSERT(hasCreator());
offset= m_buffer.putInt(x; #if (defined( return ;
java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 3
DEBUG_PRINTF( unsigned
disassembleInstr(getInstructionAt(offset),
// integer argument. This differs from GetIntArgReg in that if we have no more
} #endif return offset;
}
virtual BufferOffset emit(ShortInstr x) { MOZ_CRASH(); }
virtual BufferOffset emit(uint64_t x) { MOZ_CRASH(); }
virtual BufferOffset emitap the argument registers, and only fail once those
.(x); if uint32_t, java.lang.StringIndexOutOfBoundsException: Range [72, 71) out of bounds for length 79
DEBUG_PRINTF("0 /float arguments.If isneeded,we have .
uint64_t((offset), unsigned(offset.getOffset()),
} return offset;
}
static uint64_t // Unfortunately, we havethingsaboutthe pointatwhich static Ijava.lang.StringIndexOutOfBoundsException: Range [45, 43) out of bounds for length 68 staticvoid static void PatchDataWithValueCheck
ImmPtr expectedValue); staticvoid PatchDataWithValueCheck(CodeLocationLabel label,
PatchedImmPtr java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 17
PatchedImmPtr expectedValue); staticvoid PatchWrite_Imm32(CodeLocationLabel label, Imm32 imm);
void PatchWrite_NearCallCodeLocationLabelstart
}
Instructionjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
uint8_t* dest = toCalls status; it is only the top level one that counts AutoForbidNops
// Overwrite whatever instruction used to be here with a call. // Always use long jump for two reasons: // - Jump has to be the same size because of PatchWrite_NearCallSize.
//-Returnaddresshas beattheendof replaced block. // Short jump wouldn't be more efficient.
/ WriteLiPtrInstructionswrites6 to loadan address
:WriteLiPtrInstructionsinst SavedScratchRegister,
uintptr_t(dest));
Instruction// Forbids pool generation during a specified interval. Nestable, but nested
jalr->SetIFormat(RO_JALR, ra.code(), SavedScratchRegister// contained within the area implied by the outermost level call.
}
static uint32_t PatchWrite_NearCallSize() { java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 18
staticvoid TraceJumpRelocations(JSTracer* trc, JitCode maxBranches= 0)
java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 21 staticvoid TraceDataRelocations>)
staticvoid ToggleToJmp(CodeLocationLabel inst_);
java.lang.StringIndexOutOfBoundsException: Range [13, 2) out of bounds for length 51 staticvoid asm_>eaveNoPool;
staticvoid java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 // label operations void bind(Label* label, BufferOffset boff = AutoForbidPoolsAndNops& operator=(const AutoForbidPoolsAndNo; void bind(CodeLabel // namespace jit
} / js static# /* jit_riscv64_Assembler_riscv64_h */
void writeDataRelocation(ImmGCPtr ptr, BufferOffset offset) { // Raw GC pointer relocations and Value relocations both end up in // TraceOneDataRelocation. if (ptr.value) { if (gc::IsInsideNursery(ptr.value)) {
embedsNurseryPointers_ = true;
}
dataRelocations_.writeUnsigned(offset.getOffset());
}
}
// Loads an immediate, always using 8 instructions, regardless of the value, // so that it can be modified later.
BufferOffset li_constant(Register rd, int64_t imm);
// Loads an immediate, always using 6 instructions, regardless of the value, // so that it can be modified later.
BufferOffset li_ptr(Register rd, int64_t imm);
protected: // Load the value from the six instruction sequence starting at |instr|. // // Also see Assembler::li_ptr. static uintptr_t LoadLiPtrInstructions(Instruction* instr);
// Updates the six instruction sequence to load |value| into a register. // // Also see Assembler::li_ptr. staticvoid UpdateLiPtrInstructions(Instruction* instr, uintptr_t value);
// Write the six instruction sequence to load |value| into |reg|. // // The instruction sequence at |instr| must either be an existing li_ptr // immediate or a sequence of six nop instructions. // // Also see Assembler::li_ptr. staticvoid WriteLiPtrInstructions(Instruction* instr, Register reg,
uintptr_t value);
// Load the value from the eight instruction sequence starting at |instr|. // // Also see Assembler::li_constant. static int64_t LoadLiConstantInstructions(Instruction* instr);
// Updates the eight instruction sequence to load |value| into a register. // // Also see Assembler::li_constant. staticvoid UpdateLiConstantInstructions(Instruction* instr, int64_t value);
};
class ABIArgGenerator : public ABIArgGeneratorShared {
public: explicit ABIArgGenerator(ABIKind kind)
: ABIArgGeneratorShared(kind),
intRegIndex_(0),
floatRegIndex_(0),
current_() {}
// Get a register in which we plan to put a quantity that will be used as an // integer argument. This differs from GetIntArgReg in that if we have no more // actual argument registers to use we will fall back on using whatever // CallTempReg* don't overlap the argument registers, and only fail once those // run out too. staticinlinebool GetTempRegForIntArg(uint32_t usedIntArgs,
uint32_t usedFloatArgs, Register* out) { // NOTE: We can't properly determine which regs are used if there are // float arguments. If this is needed, we will have to guess.
MOZ_ASSERT(usedFloatArgs == 0);
if (GetIntArgReg(usedIntArgs, out)) { return true;
} // Unfortunately, we have to assume things about the point at which // GetIntArgReg returns false, because we need to know how many registers it // can allocate.
usedIntArgs -= NumIntArgRegs; if (usedIntArgs >= NumCallTempNonArgRegs) { returnfalse;
}
*out = CallTempNonArgRegs[usedIntArgs]; return true;
}
// Forbids nop filling for testing purposes. Nestable, but nested calls have // no effect on the no-nops status; it is only the top level one that counts. class AutoForbidNops {
Assembler* asm_;
// Forbids pool generation during a specified interval. Nestable, but nested // calls must imply a no-pool area of the assembler buffer that is completely // contained within the area implied by the outermost level call. class AutoForbidPoolsAndNops {
Assembler* asm_;
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