x86 registers - EAS
- There are 9 registers in x86: EAX, EBX, ECX, EDX, ESI, EDI, EBP, ESP and EIP. These are mostly derived by prefixing E (Extended) to their 16 bit equivalents. EAX: The accumulator. This register typically stores return values from functions. EBX: This register is typically the pointer to the base of an array.
arvindsraj.wordpress.com/2013/01/12/x86-registers-register-conventions-and-ca… - Mọi người cũng hỏi
CPU Registers x86 - OSDev Wiki
https://wiki.osdev.org/CPU_Registers_x8620/10/2021 · Bit 13 indicates that the next instruction in the instruction stream accesses one of the debug registers. Bit 14 indicates (when set) that the debug exception was triggered by the single-step execution mode (enabled with TF bit in EFLAGS).
x86 Registers - University of Toronto
https://www.eecg.utoronto.ca/~amza/www.mindsec.com/files/x86regs.htmlx86 Registers. The main tools to write programs in x86 assembly are the processor registers. The registers are like variables built in the processor. Using registers instead of memory to store values makes the process faster and cleaner. The problem with the x86 serie of processors is that there are few registers to use.
CPU Registers x86-64 - OSDev Wiki
https://wiki.osdev.org/CPU_Registers_x86-6425/12/2020 · IA32_EFER. Extended Feature Enable Register (EFER) is a model-specific register added in the AMD K6 processor, to allow enabling the SYSCALL/SYSRET instruction, and later for entering and exiting long mode. This register becomes architectural in AMD64 and has been adopted by Intel. Its MSR number is 0xC0000080.
Registers in x86 Assembly - University of Alaska Fairbanks
https://www.cs.uaf.edu/2017/fall/cs301/lecture/09_11_registers.htmlRegisters in x86 Assembly CS 301: Assembly Language Programming Lecture, Dr. Lawlor. Like C++ variables, registers are actually available in several sizes: rax is the 64-bit, "long" size register. It was added in 2003 during the transition to 64-bit processors. eax is the 32-bit, "int" size register. ...
X86 64 Register and Instruction Quick Start - CDOT Wiki
https://wiki.cdot.senecacollege.ca/wiki/X86_64...- General-Purpose Registers
The 64-bit versions of the 'original' x86 registers are named: 1. rax - register a extended 2. rbx - register b extended 3. rcx - register c extended 4. rdx - register d extended 5. rbp - register base pointer (start of stack) 6. rsp - register stack pointer (current location in stack, growing downwar… - Floating-Point and SIMD Registers
x86_64 also defines a set of large registers for floating-point and single-instruction/multiple-data (SIMD) operations. For details, refer to the Intel or AMD documentation.
- General-Purpose Registers
X86-assembly/Registers - aldeid
https://www.aldeid.com/wiki/X86-assembly/Registers- Extended Accumulator Register
1. EAX generally contains the return of a function. If you see the EAX register just after a function call, chances are that EAX contains the return value of the function. 2. EAX and EDX are always implied in multiplication and division instructions 3. EAX can also be used as a temporary CPU … - Extended Counter Register
1. Used as a counter
- Extended Accumulator Register
How many registers does an x86-64 CPU have?
https://blog.yossarian.net/2020/11/30/How-many...- x86-64 has a total of 6 segment registers: CS, SS, DS, ES, FS, and GS. The operationvaries with the CPU’s mode: 1. In all modes except for long mode, each segment register holds a selector, which indexes intoeither the GDT orLDT. That yieldsa segment descriptorwhich, among other things, supplies the base address and extent of thesegment. 2. In long mode all but FS and GS a…
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