added some more doxygen comments...

merge-requests/11/head
_xeroxz 4 years ago
parent 3276cc96d0
commit ae9f255180

@ -217,11 +217,21 @@ namespace vm::transform
{ ZYDIS_MNEMONIC_ROR, ZYDIS_MNEMONIC_ROL }, { ZYDIS_MNEMONIC_ROL, ZYDIS_MNEMONIC_ROR },
{ ZYDIS_MNEMONIC_INC, ZYDIS_MNEMONIC_DEC }, { ZYDIS_MNEMONIC_DEC, ZYDIS_MNEMONIC_INC } };
/// <summary>
/// determines if the given mnemonic is a valid transformation...
/// </summary>
/// <param name="op">mnemonic of the native instruction...</param>
/// <returns>returns true if the mnemonic is a transformation...</returns>
inline bool valid( zydis_mnemonic_t op )
{
return transforms< std::uint64_t >.find( op ) != transforms< std::uint64_t >.end();
}
/// <summary>
/// inverse operand decryption transformations...
/// </summary>
/// <param name="transforms">reference to the transformations to be inversed...</param>
/// <param name="inverse">reference to the resulting inversed transformations...</param>
inline void inverse_transforms( transform::map_t &transforms, transform::map_t &inverse )
{
inverse[ transform::type::generic0 ] = transforms[ transform::type::generic0 ];
@ -249,6 +259,11 @@ namespace vm::transform
transform::inverse[ transforms[ transform::type::update_key ].mnemonic ];
}
/// <summary>
/// inverse transformations given a vector of them...
/// </summary>
/// <param name="instrs">reference to a vector of transformations...</param>
/// <returns>returns true if all transformations were inversed...</returns>
inline auto inverse_transforms( std::vector< zydis_decoded_instr_t > &instrs ) -> bool
{
for ( auto idx = 0u; idx < instrs.size(); idx++ )
@ -279,6 +294,11 @@ namespace vm::transform
}
}
/// <summary>
/// determines if a given decoded instruction has a second operand that is an immediate value...
/// </summary>
/// <param name="instr">pointer to a decoded instruction...</param>
/// <returns>returns true if the second operand is of type immediate...</returns>
inline bool has_imm( const zydis_decoded_instr_t *instr )
{
return instr->operand_count > 1 && ( instr->operands[ 1 ].type == ZYDIS_OPERAND_TYPE_IMMEDIATE );

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