• 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...
    26 KB (3,658 words) - 16:39, 2 June 2025
  • Thumbnail for Stack (abstract data type)
    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...
    40 KB (4,727 words) - 00:02, 29 May 2025
  • 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...
    7 KB (949 words) - 03:25, 28 March 2025
  • Thumbnail for Stack-based memory allocation
    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...
    9 KB (1,027 words) - 12:57, 26 October 2024
  • 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...
    33 KB (4,158 words) - 01:47, 12 July 2025
  • 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...
    11 KB (963 words) - 15:06, 5 July 2025
  • Thumbnail for Motorola 68000
    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...
    69 KB (7,389 words) - 14:24, 25 May 2025
  • 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...
    10 KB (1,543 words) - 08:58, 23 June 2025
  • Thumbnail for Pointer (computer programming)
    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...
    72 KB (9,654 words) - 12:42, 19 July 2025
  • 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...
    19 KB (2,168 words) - 14:12, 2 June 2025
  • 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)...
    37 KB (1,811 words) - 15:31, 1 May 2025
  • 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...
    3 KB (322 words) - 13:19, 10 April 2025
  • 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...
    57 KB (6,649 words) - 21:49, 26 July 2025
  • Thumbnail for WDC 65C816
    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...
    30 KB (3,011 words) - 09:33, 9 July 2025
  • Thumbnail for Parent pointer tree
    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...
    5 KB (643 words) - 14:48, 14 April 2025
  • 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)...
    70 KB (8,083 words) - 19:26, 27 July 2025
  • 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...
    31 KB (3,840 words) - 05:28, 20 July 2025
  • Thumbnail for Zilog Z8000
    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...
    57 KB (5,976 words) - 10:19, 23 July 2025
  • Thumbnail for Buffer overflow
    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...
    46 KB (5,132 words) - 08:55, 25 May 2025
  • reverse ; (some compilers may subtract the required space from the stack pointer, ; then write each argument directly, see below. ; The 'enter' instruction...
    42 KB (4,708 words) - 17:37, 14 July 2025
  • 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...
    52 KB (4,492 words) - 23:19, 20 July 2025
  • 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...
    26 KB (2,903 words) - 11:25, 18 July 2025
  • Thumbnail for WDC 65C02
    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)...
    37 KB (4,396 words) - 03:55, 18 June 2025
  • 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...
    8 KB (876 words) - 15:27, 20 December 2024
  • 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...
    48 KB (5,787 words) - 14:56, 28 May 2025
  • 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...
    2 KB (200 words) - 12:06, 22 March 2025
  • 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...
    7 KB (935 words) - 07:43, 29 April 2025
  • the kernel stack to retrieve information about the state of the new process. CPU state information including the registers, stack pointer, and program...
    15 KB (1,963 words) - 07:06, 23 February 2025
  • 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