In the x86 assembly language, the JMP instruction performs an unconditional jump. Such an instruction transfers the flow of execution by changing the program...
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The x86 instruction set refers to the set of instructions that x86-compatible microprocessors support. The instructions are usually part of an executable...
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JMP may refer to: JMP (statistical software), a statistical analysis application by SAS Institute, Inc. JMP (x86 instruction) Joint Monitoring Programme...
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x86-64 (also known as x64, x86_64, AMD64, and Intel 64) is a 64-bit extension of the x86 instruction set. It was announced in 1999 and first available...
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producing the final machine code that the processor executes. Each instruction in the x86 assembly language is represented by a mnemonic which often combines...
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Machine code (redirect from Jmp into the middle of an instruction)
Jump or skip to an instruction that is not the next one In general, each architecture family (e.g., x86, ARM) has its own instruction set architecture (ISA)...
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executing the x86 instruction JMPAI (0F 3F). If AIS mode has been enabled, the processor will perform a JMP EAX and begin executing AIS instructions at the address...
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Opcode (redirect from Instruction code)
certain JMP, CAL, and RET instructions. ALU specifies one of a possible eight arithmetic logic unit functions to be performed during an instruction, specifically...
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Return-oriented programming (redirect from Gadget (machine instruction sequence))
On the x86 architecture, sequences of jmp and pop instructions can act as a return instruction. On ARM, sequences of load and branch instructions can act...
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tempJMP[SIZE] = {0xE9, 0x90, 0x90, 0x90, 0x90, 0xC3}; // 0xE9 = JMP 0x90 = NOP 0xC3 = RET memcpy(JMP, tempJMP, SIZE); // store jmp instruction to JMP DWORD...
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Prefetch input queue (category Instruction processing)
Fetching the instruction opcodes from program memory well in advance is known as prefetching and it is served by using a prefetch input queue (PIQ). The...
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contains a JMP instruction that redirects the CPU to execute the initialization code of BIOS. This JMP instruction is absolutely the first instruction executed...
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Halt and Catch Fire (computing) (section Intel x86)
equivalent to machine code instructions. The mnemonics are frequently three letters long, such as ADD, CMP (to compare two numbers), and JMP (jump to a different...
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hexadecimal representation of x86-64 machine code to calculate the nth Fibonacci number, with each line corresponding to one instruction: 89 f8 85 ff 74 26 83...
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Instructions that have at some point been present as documented instructions in one or more x86 processors, but where the processor series containing...
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example of such an unintentional instance of the i386 jmp esp instruction. The opcode for this instruction is FF E4. This two-byte sequence can be found at...
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Task state segment (category X86 architecture)
operates as follows: when a program issues an x86 I/O port instruction such as IN or OUT (see x86 instruction listings - and note that there are byte-, word-...
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does in the case of x86 binary translation relative to first generation x86 hardware assist, which merely made sensitive instructions trappable. Effectively...
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synthesize many types of higher-order instructions using only the subleq instruction.: 9–10 Unconditional branch: JMP c subleq Z, Z, c Addition can be performed...
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Protected mode (category X86 operating modes)
supports x86 protected mode is powered on, it begins executing instructions in real mode, in order to maintain backward compatibility with earlier x86 processors...
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magazine c't, calling it the "hidden CLI bug" (CLI is the instruction that disables interrupts in the x86 architecture). Balsa, as a member on the Linux kernel...
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calls from software executing INT, breakpoint, or indirect far CALL/JMP instructions, as might be used to interact with the BIOS, operating system, or device...
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others as the EDD (Enhanced Disk Drive) BIOS extensions. INT is an x86 instruction that triggers a software interrupt, and 13hex is the interrupt number...
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with each other. A simpler version of the test can use the cmpxchg instruction on x86, or the __sync_bool_compare_and_swap built into many Unix compilers...
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Microcode (redirect from Micro-instructions)
The sequencer instruction is to jump to the start of the instruction decode. MAR, 1, PC, ADD, JMP, InstructionDecode # The instruction decode is not shown...
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Intel 8080 (section Instruction set)
the later x86 architecture which was designed so that its assembly language closely resembled that of the 8080, permitting many instructions to map directly...
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Motorola 68000 series (category Instruction set architectures)
personal computers and workstations and were the primary competitors of Intel's x86 microprocessors. They were best known as the processors used in the early...
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language shows code that computes the tangent of x using the x86's FPU (x87) instructions. // Compute the tangent of x real tan(real x) { asm { fld x[EBP]...
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called an opcode matrix) is a visual representation of all opcodes in an instruction set. It is arranged such that each axis of the table represents an upper...
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Datapoint 2200 (section Instruction set)
(processor)'s instruction set became the basis of the Intel 8008 instruction set, which inspired the Intel 8080 instruction set and the x86 instruction set used...
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