| 1 | //===-- IRInterpreter.h -----------------------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef LLDB_EXPRESSION_IRINTERPRETER_H |
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| 10 | #define LLDB_EXPRESSION_IRINTERPRETER_H |
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| 11 | |
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| 12 | #include "lldb/Utility/ConstString.h" |
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| 13 | #include "lldb/Utility/Stream.h" |
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| 14 | #include "lldb/Utility/Timeout.h" |
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| 15 | #include "lldb/lldb-public.h" |
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| 16 | #include "llvm/ADT/ArrayRef.h" |
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| 17 | #include "llvm/Pass.h" |
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| 18 | |
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| 19 | namespace llvm { |
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| 20 | class Function; |
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| 21 | class Module; |
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| 22 | } |
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| 23 | |
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| 24 | namespace lldb_private { |
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| 25 | |
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| 26 | class IRMemoryMap; |
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| 27 | } |
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| 28 | |
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| 29 | /// \class IRInterpreter IRInterpreter.h "lldb/Expression/IRInterpreter.h" |
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| 30 | /// Attempt to interpret the function's code if it does not require |
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| 31 | /// running the target. |
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| 32 | /// |
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| 33 | /// In some cases, the IR for an expression can be evaluated entirely in the |
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| 34 | /// debugger, manipulating variables but not executing any code in the target. |
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| 35 | /// The IRInterpreter attempts to do this. |
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| 36 | class IRInterpreter { |
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| 37 | public: |
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| 38 | static bool CanInterpret(llvm::Module &module, llvm::Function &function, |
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| 39 | lldb_private::Status &error, |
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| 40 | const bool support_function_calls); |
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| 41 | |
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| 42 | static bool Interpret(llvm::Module &module, llvm::Function &function, |
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| 43 | llvm::ArrayRef<lldb::addr_t> args, |
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| 44 | lldb_private::IRExecutionUnit &execution_unit, |
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| 45 | lldb_private::Status &error, |
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| 46 | lldb::addr_t stack_frame_bottom, |
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| 47 | lldb::addr_t stack_frame_top, |
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| 48 | lldb_private::ExecutionContext &exe_ctx, |
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| 49 | lldb_private::Timeout<std::micro> timeout); |
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| 50 | |
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| 51 | private: |
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| 52 | static bool supportsFunction(llvm::Function &llvm_function, |
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| 53 | lldb_private::Status &err); |
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| 54 | }; |
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| 55 | |
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| 56 | #endif |
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| 57 | |
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