CodeQL library for C/C++
codeql/cpp-all 0.12.9 (changelog, source)
Search

Class SizedBufferAccessOpcode

An opcode that accesses a memory buffer whose size is determined by a BufferSizeOperand.

Import path

import semmle.code.cpp.ir.IR

Direct supertypes

Indirect supertypes

Known direct subtypes

Predicates

hasBufferSizeOperand

Holds if the instruction has a BufferSizeOperand.

Inherited predicates

getReadMemoryAccess

Gets the kind of memory access performed by this instruction’s MemoryOperand. Holds only for opcodes that read from memory.

from Opcode
getWriteMemoryAccess

Gets the kind of memory access performed by this instruction’s result. Holds only for opcodes with a memory result.

from Opcode
hasAddressOperand

Holds if the instruction has an AddressOperand.

from BufferAccessOpcode
hasMayReadMemoryAccess

Holds if the instruction’s read memory access is a may read, as opposed to a must read.

from Opcode
hasMayWriteMemoryAccess

Holds if the instruction’s write memory access is a may write, as opposed to a must write.

from Opcode
hasOperand

Holds if the instruction must have an operand with the specified OperandTag.

from Opcode
hasOperandInternal

Holds if the instruction must have an operand with the specified OperandTag, ignoring AddressOperandTag and BufferSizeOperandTag.

from Opcode
toString

Gets a textual representation of this element.

from Opcode