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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#ifndef CFI_H_
#define CFI_H_
#define DWARF_REG_ILLEGAL -1
enum CFI_OPCODE
{
CFI_ADJUST_CFA_OFFSET, // Offset is adjusted relative to the current one.
CFI_DEF_CFA_REGISTER, // New register is used to compute CFA
CFI_REL_OFFSET // Register is saved at offset from the current CFA
};
struct CFI_CODE
{
unsigned char CodeOffset;// Offset from the start of code the frame covers.
unsigned char CfiOpCode;
short DwarfReg; // Dwarf register number. 0~32 for x64.
int Offset;
CFI_CODE(unsigned char codeOffset, unsigned char cfiOpcode,
short dwarfReg, int offset)
: CodeOffset(codeOffset)
, CfiOpCode(cfiOpcode)
, DwarfReg(dwarfReg)
, Offset(offset)
{}
};
typedef CFI_CODE* PCFI_CODE;
#endif // CFI_H
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