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An indirect branch (also known as a computed jump, indirect jump and register-indirect jump) is a type of program control instruction present in some machine language instruction sets. Rather than specifying the address of the next instruction to execute , as in a direct branch , the argument specifies where the address is located.
Indirect branch tracking detects indirect JMP or CALL instructions to unauthorized targets. It is implemented by adding a new internal state machine in the processor. The behavior of indirect JMP and CALL instructions is changed so that they switch the state machine from IDLE to WAIT_FOR_ENDBRANCH.
Also, depending on how it specifies the address of the new instruction sequence (the "target" address), a branch instruction is generally classified as direct, indirect or relative, meaning that the instruction contains the target address, or it specifies where the target address is to be found (e.g., a register or memory location), or it ...
Indirect branch tracking (IBT), also known as branch target identification (BTI), is a control flow integrity mechanism implemented on some Intel x86-64 and ARM-64 processors. IBT is designed to protect against computer security exploits that use indirect branch instructions to jump into code in unintended ways, such as return-oriented ...
The branch predictor may, for example, recognize that the conditional jump is taken more often than not, or that it is taken every second time. Branch prediction is not the same as branch target prediction. Branch prediction attempts to guess whether a conditional jump will be taken or not.
Indirect load value of type int8 as int32 on the stack. Base instruction 0x48 ldind.i2: Indirect load value of type int16 as int32 on the stack. Base instruction 0x4A ldind.i4: Indirect load value of type int32 as int32 on the stack. Base instruction 0x4C ldind.i8: Indirect load value of type int64 as int64 on the stack. Base instruction 0x4E ...
For example, “Tell me about one of the best days you can remember” might elicit a story about someone’s wedding, and if you’re not keeping up with your question queue and let “What was ...
Dispatch table a branch table by another name used for late binding; Function pointer arrays of addresses to functions as used in branch tables; Indirect branch; Lookup table an array of items to be matched, sometimes holding pre-calculated results; Switch statement a high level language conditional statement that may generate a branch table