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111 lines
4.9 KiB
111 lines
4.9 KiB
4 months ago
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/*===-- llvm-c/Disassembler.h - Disassembler Public C Interface ---*- C -*-===*\
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|* *|
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|* Part of the LLVM Project, under the Apache License v2.0 with LLVM *|
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|* Exceptions. *|
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|* See https://llvm.org/LICENSE.txt for license information. *|
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|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *|
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|* *|
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|*===----------------------------------------------------------------------===*|
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|* *|
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|* This header provides a public interface to a disassembler library. *|
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|* LLVM provides an implementation of this interface. *|
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|* *|
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\*===----------------------------------------------------------------------===*/
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#ifndef LLVM_C_DISASSEMBLER_H
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#define LLVM_C_DISASSEMBLER_H
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#include "llvm-c/DisassemblerTypes.h"
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#include "llvm-c/ExternC.h"
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/**
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* @defgroup LLVMCDisassembler Disassembler
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* @ingroup LLVMC
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*
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* @{
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*/
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LLVM_C_EXTERN_C_BEGIN
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/**
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* Create a disassembler for the TripleName. Symbolic disassembly is supported
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* by passing a block of information in the DisInfo parameter and specifying the
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* TagType and callback functions as described above. These can all be passed
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* as NULL. If successful, this returns a disassembler context. If not, it
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* returns NULL. This function is equivalent to calling
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* LLVMCreateDisasmCPUFeatures() with an empty CPU name and feature set.
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*/
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LLVMDisasmContextRef LLVMCreateDisasm(const char *TripleName, void *DisInfo,
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int TagType, LLVMOpInfoCallback GetOpInfo,
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LLVMSymbolLookupCallback SymbolLookUp);
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/**
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* Create a disassembler for the TripleName and a specific CPU. Symbolic
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* disassembly is supported by passing a block of information in the DisInfo
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* parameter and specifying the TagType and callback functions as described
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* above. These can all be passed * as NULL. If successful, this returns a
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* disassembler context. If not, it returns NULL. This function is equivalent
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* to calling LLVMCreateDisasmCPUFeatures() with an empty feature set.
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*/
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LLVMDisasmContextRef LLVMCreateDisasmCPU(const char *Triple, const char *CPU,
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void *DisInfo, int TagType,
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LLVMOpInfoCallback GetOpInfo,
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LLVMSymbolLookupCallback SymbolLookUp);
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/**
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* Create a disassembler for the TripleName, a specific CPU and specific feature
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* string. Symbolic disassembly is supported by passing a block of information
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* in the DisInfo parameter and specifying the TagType and callback functions as
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* described above. These can all be passed * as NULL. If successful, this
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* returns a disassembler context. If not, it returns NULL.
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*/
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LLVMDisasmContextRef
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LLVMCreateDisasmCPUFeatures(const char *Triple, const char *CPU,
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const char *Features, void *DisInfo, int TagType,
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LLVMOpInfoCallback GetOpInfo,
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LLVMSymbolLookupCallback SymbolLookUp);
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/**
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* Set the disassembler's options. Returns 1 if it can set the Options and 0
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* otherwise.
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*/
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int LLVMSetDisasmOptions(LLVMDisasmContextRef DC, uint64_t Options);
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/* The option to produce marked up assembly. */
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#define LLVMDisassembler_Option_UseMarkup 1
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/* The option to print immediates as hex. */
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#define LLVMDisassembler_Option_PrintImmHex 2
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/* The option use the other assembler printer variant */
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#define LLVMDisassembler_Option_AsmPrinterVariant 4
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/* The option to set comment on instructions */
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#define LLVMDisassembler_Option_SetInstrComments 8
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/* The option to print latency information alongside instructions */
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#define LLVMDisassembler_Option_PrintLatency 16
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/**
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* Dispose of a disassembler context.
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*/
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void LLVMDisasmDispose(LLVMDisasmContextRef DC);
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/**
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* Disassemble a single instruction using the disassembler context specified in
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* the parameter DC. The bytes of the instruction are specified in the
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* parameter Bytes, and contains at least BytesSize number of bytes. The
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* instruction is at the address specified by the PC parameter. If a valid
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* instruction can be disassembled, its string is returned indirectly in
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* OutString whose size is specified in the parameter OutStringSize. This
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* function returns the number of bytes in the instruction or zero if there was
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* no valid instruction.
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*/
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size_t LLVMDisasmInstruction(LLVMDisasmContextRef DC, uint8_t *Bytes,
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uint64_t BytesSize, uint64_t PC,
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char *OutString, size_t OutStringSize);
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/**
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* @}
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*/
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LLVM_C_EXTERN_C_END
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#endif /* LLVM_C_DISASSEMBLER_H */
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