Questions tagged [x86] - KnowledgeHub

11

votes

5

answers

Why linux kernel use trap gate to handle divide_error exception?

asked 2011-12-16T06:56:08.133

13

votes

1

answers

x86 assembly instruction: call *Reg

assembly x86 call

asked 2011-12-07T16:51:42.420

12

votes

3

answers

Equivalent for GCC's naked attribute

gcc assembly x86 freebsd

asked 2011-12-04T09:38:05.160

8

votes

2

answers

Automated x86 instruction obfuscation

assembly automation x86 obfuscation

asked 2011-10-30T19:47:50.443

8

votes

5

answers

Why Single Stepping Instruction on X86?

debugging gdb x86

asked 2011-10-29T22:03:50.120

14

votes

9

answers

How to quickly count bits into separate bins in a series of ints on Sandy Bridge?

c++ assembly x86 simd avx

asked 2011-10-17T12:51:10.427

9

votes

2

answers

bt assembly instruction

assembly x86 masm masm32

asked 2011-09-21T23:54:17.980

10

votes

4

answers

Measure CPU speed by counting assembly instructions

c visual-c++ assembly x86 cpu-speed

asked 2011-08-10T03:37:36.867

15

votes

2

answers

Switching to User-mode using iret

x86 nasm osdev

asked 2011-07-31T21:25:23.710

47

votes

2

answers

Change floating point rounding mode

c++ c floating-point x86

asked 2011-07-29T01:26:12.120

139

votes

3

answers

CPU Privilege Rings: Why rings 1 and 2 aren't used?

x86 cpu privileges

asked 2011-07-15T16:13:59.157

9

votes

2

answers

task gate, interrupt gate, call gate

linux-kernel x86 x86-64

asked 2011-07-13T17:50:06.957

11

votes

4

answers

Looking for 16-bit c compiler for x86

c x86 x86-16 real-mode

asked 2011-05-19T13:56:22.137

9

votes

1

answers

Assembly language programming hints and tips

assembly x86 nasm

asked 2011-05-10T14:03:42.703

12

votes

3

answers

pop or add esp, 4 ? What is the difference?

assembly x86 stack-memory stack-pointer

asked 2011-05-05T21:00:09.120

11

votes

4

answers

fastest way to write a bitstream on modern x86 hardware

c++ optimization x86 bit-manipulation

asked 2011-04-18T14:41:51.680

45

votes

8

answers

What causes page faults?

windows x86 paging x86-64

asked 2011-04-16T03:59:12.810

65

votes

3

answers

Why does leave do "mov esp,ebp" in x86 assembly?

assembly x86

asked 2011-03-29T14:41:32.483

10

votes

1

answers

Passing a pointer to an assembly function

assembly x86 att

asked 2011-03-04T00:12:45.473

9

votes

1

answers

Porting low-level x86 optimized code to the ARM Cortex-A8 architecture

x86 arm

asked 2011-02-20T22:35:51.837

20

votes

4

answers

How to know in run time if i'm on x86 or x64 mode in c#

c# .net x86 64-bit

asked 2011-02-20T02:40:13.587

19

votes

8

answers

How to get CPU serial under Linux without root permissions

linux x86 cpu serial-number cpuid

asked 2011-02-18T19:03:44.357

41

votes

8

answers

How to generate and run native code dynamically?

c++ linux compiler-construction x86 jit

asked 2011-02-06T06:32:51.247

19

votes

4

answers

Why does Linux on x86 use different segments for user processes and the kernel?

linux-kernel x86 memory-segmentation

asked 2011-01-01T18:01:56.487

19

votes

5

answers

Assembly JLE jmp instruction example

assembly x86 mnemonics

asked 2010-12-29T19:46:24.310

24

votes

4

answers

When should I use _mm_sfence _mm_lfence and _mm_mfence

c++ multithreading x86 intrinsics memory-barriers

asked 2010-12-27T09:35:19.900

10

votes

6

answers

MUL instruction doesn't support an immediate value

assembly x86 immediate-operand

asked 2010-12-25T04:09:15.707

20

votes

3

answers

Is there a C compiler that targets the 8086?

c x86 x86-16

asked 2010-12-20T19:19:50.770

10

votes

5

answers

How does argument passing work?

c assembly x86 calling-convention

asked 2010-12-09T07:09:07.283

69

votes

8

answers

How to disassemble, modify and then reassemble a Linux executable?

linux x86 disassembly objdump

asked 2010-11-30T01:31:00.527

17

votes

3

answers

DMA transfer RAM-to-RAM

c windows x86 dma

asked 2010-11-28T15:37:22.843

9

votes

2

answers

Do Core i3/5/7 CPUs provide a mechanism to measure IPC?

x86 intel performancecounter

asked 2010-10-25T21:17:05.440

15

votes

3

answers

How to check if a signed integer is neg or pos?

assembly x86 negative-number negative-integer

asked 2010-10-25T17:57:53.887

9

votes

2

answers

Switch Case Assembly Language

assembly x86 switch-statement disassembly

asked 2010-10-24T13:59:19.647

10

votes

1

answers

What segment is used by default in x86 indirect addressing?

assembly x86

asked 2010-10-16T12:51:36.633

62

votes

9

answers

Divide and Get Remainder at the same time?

x86 modulo divide

asked 2010-10-09T00:03:19.073

16

votes

6

answers

How did 16-bit C compilers work?

c assembly x86 legacy 16-bit

asked 2010-09-30T02:54:48.283

37

votes

2

answers

What does "DS:[40207A]" mean in assembly?

assembly x86 memory-address disassembly memory-segmentation

asked 2010-09-29T07:52:05.920

17

votes

1

answers

imul assembly instruction - one operand?

assembly x86 multiplication

asked 2010-09-29T04:34:41.983

13

votes

7

answers

Loading x86 or x64 assembly

c# .net x86 64-bit

asked 2010-09-24T13:16:06.137

18

votes

5

answers

What are some tips for optimizing the assembly code generated by a compiler?

assembly x86 compiler-construction

asked 2010-09-22T19:51:07.667

53

votes

3

answers

The difference between Call Gate, Interrupt Gate, Trap Gate?

x86 operating-system cpu interrupt processor

asked 2010-08-06T15:09:10.857

64

votes

7

answers

What does ORG Assembly Instruction do?

assembly x86 nasm directive

asked 2010-08-04T15:20:09.160

162

votes

3

answers

What does `dword ptr` mean?

assembly x86 dword pointers

asked 2010-06-07T08:00:52.583

10

votes

7

answers

Convert ARM instruction to i386 instruction

architecture x86 arm

asked 2010-05-28T09:57:33.463

14

votes

3

answers

How Do Assemblers Map x86 Instruction Mnemonics to Binary Machine Instructions?

x86 assembly

asked 2010-05-03T18:22:48.550

29

votes

4

answers

Why don't stacks grow upwards (for security)?

security architecture x86 stack cpu

asked 2010-04-30T12:35:31.297

45

votes

3

answers

Why doesn't Linux use the hardware context switch via the TSS?

linux x86 linux-kernel low-level

asked 2010-04-26T03:46:33.180

11

votes

4

answers

How can I write a "Hello World" app in assembly language?

assembly x86 x86-64

asked 2010-04-16T14:39:24.847

35

votes

9

answers

x86 assembly abs() implementation?

assembly x86 absolute-value

asked 2010-04-14T16:29:00.620

Questions tagged x86