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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /js/src/jit/none/Assembler-none.h
parentInitial commit. (diff)
downloadthunderbird-upstream.tar.xz
thunderbird-upstream.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--js/src/jit/none/Assembler-none.h211
1 files changed, 211 insertions, 0 deletions
diff --git a/js/src/jit/none/Assembler-none.h b/js/src/jit/none/Assembler-none.h
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+++ b/js/src/jit/none/Assembler-none.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * 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_none_Assembler_none_h
+#define jit_none_Assembler_none_h
+
+#include "mozilla/Assertions.h"
+
+#include <stdint.h>
+
+#include "jit/none/Architecture-none.h"
+#include "jit/Registers.h"
+#include "jit/RegisterSets.h"
+#include "jit/shared/Assembler-shared.h"
+
+namespace js {
+namespace jit {
+
+class MacroAssembler;
+
+static constexpr Register StackPointer{Registers::invalid_reg};
+static constexpr Register FramePointer{Registers::invalid_reg};
+static constexpr Register ReturnReg{Registers::invalid_reg2};
+static constexpr FloatRegister ReturnFloat32Reg = {FloatRegisters::invalid_reg};
+static constexpr FloatRegister ReturnDoubleReg = {FloatRegisters::invalid_reg};
+static constexpr FloatRegister ReturnSimd128Reg = {FloatRegisters::invalid_reg};
+static constexpr FloatRegister ScratchSimd128Reg = {
+ FloatRegisters::invalid_reg};
+static constexpr FloatRegister InvalidFloatReg = {FloatRegisters::invalid_reg};
+
+struct ScratchFloat32Scope : FloatRegister {
+ explicit ScratchFloat32Scope(MacroAssembler& masm) {}
+};
+
+struct ScratchDoubleScope : FloatRegister {
+ explicit ScratchDoubleScope(MacroAssembler& masm) {}
+};
+
+static constexpr Register OsrFrameReg{Registers::invalid_reg};
+static constexpr Register PreBarrierReg{Registers::invalid_reg};
+static constexpr Register InterpreterPCReg{Registers::invalid_reg};
+static constexpr Register CallTempReg0{Registers::invalid_reg};
+static constexpr Register CallTempReg1{Registers::invalid_reg};
+static constexpr Register CallTempReg2{Registers::invalid_reg};
+static constexpr Register CallTempReg3{Registers::invalid_reg};
+static constexpr Register CallTempReg4{Registers::invalid_reg};
+static constexpr Register CallTempReg5{Registers::invalid_reg};
+static constexpr Register InvalidReg{Registers::invalid_reg};
+static constexpr Register CallTempNonArgRegs[] = {InvalidReg, InvalidReg};
+static const uint32_t NumCallTempNonArgRegs = std::size(CallTempNonArgRegs);
+
+static constexpr Register IntArgReg0{Registers::invalid_reg};
+static constexpr Register IntArgReg1{Registers::invalid_reg};
+static constexpr Register IntArgReg2{Registers::invalid_reg};
+static constexpr Register IntArgReg3{Registers::invalid_reg};
+static constexpr Register HeapReg{Registers::invalid_reg};
+
+static constexpr Register RegExpMatcherRegExpReg{Registers::invalid_reg};
+static constexpr Register RegExpMatcherStringReg{Registers::invalid_reg};
+static constexpr Register RegExpMatcherLastIndexReg{Registers::invalid_reg};
+
+static constexpr Register RegExpExecTestRegExpReg{Registers::invalid_reg};
+static constexpr Register RegExpExecTestStringReg{Registers::invalid_reg};
+
+static constexpr Register RegExpSearcherRegExpReg{Registers::invalid_reg};
+static constexpr Register RegExpSearcherStringReg{Registers::invalid_reg};
+static constexpr Register RegExpSearcherLastIndexReg{Registers::invalid_reg};
+
+// Uses |invalid_reg2| to avoid static_assert failures.
+static constexpr Register JSReturnReg_Type{Registers::invalid_reg2};
+static constexpr Register JSReturnReg_Data{Registers::invalid_reg2};
+static constexpr Register JSReturnReg{Registers::invalid_reg2};
+
+#if defined(JS_NUNBOX32)
+static constexpr ValueOperand JSReturnOperand(InvalidReg, InvalidReg);
+static constexpr Register64 ReturnReg64(InvalidReg, InvalidReg);
+#elif defined(JS_PUNBOX64)
+static constexpr ValueOperand JSReturnOperand(InvalidReg);
+static constexpr Register64 ReturnReg64(InvalidReg);
+#else
+# error "Bad architecture"
+#endif
+
+static constexpr Register ABINonArgReg0{Registers::invalid_reg};
+static constexpr Register ABINonArgReg1{Registers::invalid_reg};
+static constexpr Register ABINonArgReg2{Registers::invalid_reg};
+static constexpr Register ABINonArgReg3{Registers::invalid_reg};
+static constexpr Register ABINonArgReturnReg0{Registers::invalid_reg};
+static constexpr Register ABINonArgReturnReg1{Registers::invalid_reg};
+static constexpr Register ABINonVolatileReg{Registers::invalid_reg};
+static constexpr Register ABINonArgReturnVolatileReg{Registers::invalid_reg};
+
+static constexpr FloatRegister ABINonArgDoubleReg = {
+ FloatRegisters::invalid_reg};
+
+static constexpr Register WasmTableCallScratchReg0{Registers::invalid_reg};
+static constexpr Register WasmTableCallScratchReg1{Registers::invalid_reg};
+static constexpr Register WasmTableCallSigReg{Registers::invalid_reg};
+static constexpr Register WasmTableCallIndexReg{Registers::invalid_reg};
+static constexpr Register InstanceReg{Registers::invalid_reg};
+static constexpr Register WasmJitEntryReturnScratch{Registers::invalid_reg};
+static constexpr Register WasmCallRefCallScratchReg0{Registers::invalid_reg};
+static constexpr Register WasmCallRefCallScratchReg1{Registers::invalid_reg};
+static constexpr Register WasmCallRefReg{Registers::invalid_reg};
+
+static constexpr uint32_t ABIStackAlignment = 4;
+static constexpr uint32_t CodeAlignment = 16;
+static constexpr uint32_t JitStackAlignment = 8;
+static constexpr uint32_t JitStackValueAlignment =
+ JitStackAlignment / sizeof(Value);
+
+static const Scale ScalePointer = TimesOne;
+
+class Assembler : public AssemblerShared {
+ public:
+ enum Condition {
+ Equal,
+ NotEqual,
+ Above,
+ AboveOrEqual,
+ Below,
+ BelowOrEqual,
+ GreaterThan,
+ GreaterThanOrEqual,
+ LessThan,
+ LessThanOrEqual,
+ Overflow,
+ CarrySet,
+ CarryClear,
+ Signed,
+ NotSigned,
+ Zero,
+ NonZero,
+ Always,
+ };
+
+ enum DoubleCondition {
+ DoubleOrdered,
+ DoubleEqual,
+ DoubleNotEqual,
+ DoubleGreaterThan,
+ DoubleGreaterThanOrEqual,
+ DoubleLessThan,
+ DoubleLessThanOrEqual,
+ DoubleUnordered,
+ DoubleEqualOrUnordered,
+ DoubleNotEqualOrUnordered,
+ DoubleGreaterThanOrUnordered,
+ DoubleGreaterThanOrEqualOrUnordered,
+ DoubleLessThanOrUnordered,
+ DoubleLessThanOrEqualOrUnordered
+ };
+
+ static Condition InvertCondition(Condition) { MOZ_CRASH(); }
+
+ static DoubleCondition InvertCondition(DoubleCondition) { MOZ_CRASH(); }
+
+ template <typename T, typename S>
+ static void PatchDataWithValueCheck(CodeLocationLabel, T, S) {
+ MOZ_CRASH();
+ }
+ static void PatchWrite_Imm32(CodeLocationLabel, Imm32) { MOZ_CRASH(); }
+
+ static void PatchWrite_NearCall(CodeLocationLabel, CodeLocationLabel) {
+ MOZ_CRASH();
+ }
+ static uint32_t PatchWrite_NearCallSize() { MOZ_CRASH(); }
+
+ static void ToggleToJmp(CodeLocationLabel) { MOZ_CRASH(); }
+ static void ToggleToCmp(CodeLocationLabel) { MOZ_CRASH(); }
+ static void ToggleCall(CodeLocationLabel, bool) { MOZ_CRASH(); }
+
+ static void Bind(uint8_t*, const CodeLabel&) { MOZ_CRASH(); }
+
+ static uintptr_t GetPointer(uint8_t*) { MOZ_CRASH(); }
+
+ static bool HasRoundInstruction(RoundingMode) { return false; }
+
+ void verifyHeapAccessDisassembly(uint32_t begin, uint32_t end,
+ const Disassembler::HeapAccess& heapAccess) {
+ MOZ_CRASH();
+ }
+
+ void setUnlimitedBuffer() { MOZ_CRASH(); }
+};
+
+class Operand {
+ public:
+ explicit Operand(const Address&) { MOZ_CRASH(); }
+ explicit Operand(const Register) { MOZ_CRASH(); }
+ explicit Operand(const FloatRegister) { MOZ_CRASH(); }
+ explicit Operand(Register, Imm32) { MOZ_CRASH(); }
+ explicit Operand(Register, int32_t) { MOZ_CRASH(); }
+};
+
+class ABIArgGenerator {
+ public:
+ ABIArgGenerator() { MOZ_CRASH(); }
+ ABIArg next(MIRType) { MOZ_CRASH(); }
+ ABIArg& current() { MOZ_CRASH(); }
+ uint32_t stackBytesConsumedSoFar() const { MOZ_CRASH(); }
+ void increaseStackOffset(uint32_t) { MOZ_CRASH(); }
+};
+
+} // namespace jit
+} // namespace js
+
+#endif /* jit_none_Assembler_none_h */