known as an execution stack, program stack, control stack, run-time stack, or machine stack, and is often shortened to simply the "stack". Although maintenance...
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top of the stack, and is fixed at the other end, the bottom. A stack may be implemented as, for example, a singly linked list with a pointer to the top...
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the main stack register is the 16-bit Stack Pointer (SP), with the 32-bit IA-32 version extending SP to the 32-bit Extended Stack Pointer (ESP), and...
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stack and frame pointers need to be managed (with fixed-size stack frames, the stack pointer is redundant due to multiplying the stack frame pointer by...
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of the frame pointer is stored, which is used to restore the stack frame when the subroutine ends. Options include within the call stack, or in a specific...
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In software, a stack overflow occurs if the call stack pointer exceeds the stack bound. The call stack may consist of a limited amount of address space...
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supervisor mode can also save the user stack pointer A7, which would total 8 address registers. However, the dual stack pointer (A7 and supervisor-mode A7') design...
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Task state segment (redirect from Interrupt Stack Table)
I/O port permissions Inner-privilege level stack pointers Previous TSS link Debug state Shadow stack pointer All this information should be stored at specific...
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word pointer first appeared in print as a stack pointer in a technical memorandum by the System Development Corporation. In computer science, a pointer is...
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original SP, now known as SPL for Stack Pointer Low, to produce a 16-bit pointer to the bottom of the stack. This allows the stack to grow much larger than the...
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Processor register (redirect from Pointer register)
The stack and frame pointers are used to manage the call stack. Rarely, other data stacks are addressed by dedicated address registers (see stack machine)...
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zone is a fixed-size area in a function's stack frame below (for a push-down stack) the current stack pointer that is reserved and safe to use. It is most...
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instructions. SP (Stack pointer): Points to the top of stack in memory. It is automatically updated during PUSH and POP operations. BP (Base Pointer): Points to...
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random-access memory. It has an enhanced instruction set and a 16-bit stack pointer, as well as several new electrical signals for improved system hardware...
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set of stacks, the structure is called a spaghetti stack, cactus stack or saguaro stack (after the saguaro, a kind of cactus). Parent pointer trees are...
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architecture has a base pointer (also known as frame pointer) and a stack pointer: Pushes current base pointer onto the stack, so it can be restored later...
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the stack. On both O32 and N32/N64 the stack grows downwards, but the N32/N64 ABIs require 64-bit alignment for all stack entries. The frame pointer ($30)...
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Return-oriented programming (redirect from Pointer authentication)
value at the top of the stack, and sets the instruction pointer to that value, and secondly, it increases the stack pointer value by four (equivalent...
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Register R15 is designated as stack pointer. On the Z8001, register R14 is used to include a fixed segment in the stack pointer, and the program counter is...
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Buffer overflow (redirect from Pointer protection)
attacker will find a pointer to the vulnerable stack buffer and compute the location of their shellcode relative to that pointer. The attacker will then...
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reverse ; (some compilers may subtract the required space from the stack pointer, ; then write each argument directly, see below. ; The 'enter' instruction...
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PDP-11 architecture (section Stack addressing modes)
program counter (PC). Although any register can be used as a stack pointer, R6 is the stack pointer (SP) used for hardware interrupts and traps. R5 is often...
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of 216 bytes (65,536 bytes or 32,768 words). There is no dedicated stack pointer register. Instead, branch instructions exist that save the program counter...
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The stack lies in the next 256 bytes, page one ($0100 to $01FF), and cannot be moved or extended. The stack grows backwards with the stack pointer (S)...
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stack over Γ, bottom which is true for tree stacks whose stack pointer points to the bottom symbol, and equals(γ) which is true for some tree stack (t...
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the stack pointer is a non-empty value, and the TOS cache register is always kept hot. Typical Java interpreters do not buffer the top-of-stack this...
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Identifier: Unique id (tid) is assigned to every new thread Stack pointer: Points to thread's stack in the process Program counter: Points to the current program...
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Data segment (section Stack)
the stack. The stack segment traditionally adjoined the heap segment and they grew towards each other; when the stack pointer met the heap pointer, free...
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the kernel stack to retrieve information about the state of the new process. CPU state information including the registers, stack pointer, and program...
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the stack buffer overflow problem because any overflow of a stack buffer that occurs within the same stack frame cannot overwrite the return pointer. However...
22 KB (2,666 words) - 20:16, 25 July 2025