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New posts in assembly
How do I patch a Windows API at runtime so that it to returns 0 in x64?
Oct 20, 2025
winapi
assembly
64-bit
hook
patch
Hello World in ARM Assembly without data section
Oct 21, 2025
c
assembly
arm
shellcode
What does fs:0x30 provide in Linux?
Oct 19, 2025
assembly
x86-64
reverse-engineering
glibc
thread-local-storage
What is the "sub $16, %rsp" instruction being used for?
Oct 21, 2025
assembly
gcc
x86-64
calling-convention
Why can't we move directly 1 byte from stack's frame to register?
Oct 21, 2025
gcc
assembly
x86-64
calling-convention
function-parameter
x86 assembly 16 bit vs 8 bit immediate operand encoding
Oct 21, 2025
assembly
x86
machine-code
opcode
instruction-encoding
How is FASM a low level assembler and NASM a high level assembler?
Oct 21, 2025
assembly
nasm
fasm
How to get an objdump without NUL bytes?
Oct 21, 2025
assembly
x86
nasm
shellcode
objdump
What is the reason for different performance of the same implementation using icc, gcc and clang?
Oct 18, 2025
gcc
assembly
x86
simd
icc
How can one protect a register from being overwritten during a function call?
Oct 20, 2025
c++
c
assembly
calling-convention
INT 13, 2 hanging on x86 real mode when trying to read sectors from floppy drive
Oct 20, 2025
assembly
x86
x86-16
bios
osdev
Is it possible to use VMX CPU instructions inside VM?
Oct 20, 2025
assembly
x86
virtual-machine
cpu
virtualization
Why does this simple assembly program work in AT&T syntax but not Intel syntax?
Oct 20, 2025
linux
gcc
assembly
clang
x86-64
Call a C preprocessor macro multiple times (through a variable)
Oct 20, 2025
c
assembly
macros
What memory is impacted using the location counter in linker script?
Oct 20, 2025
assembly
ld
x86-16
bootloader
linker-scripts
Comment syntax ambiguity under GAS ARM target
Oct 20, 2025
assembly
arm
gnu-assembler
What is .zero in GNU gas?
Oct 19, 2025
assembly
gnu-assembler
Why is this jump instruction so expensive when performing pointer chasing?
Oct 18, 2025
pointers
assembly
x86
cpu-architecture
perf
When to use EXTERNDEF with ABS in MASM?
Oct 20, 2025
assembly
x86
masm
Memory argument of VMOVDQU partially out of allocated range
Oct 19, 2025
assembly
x86-64
simd
access-violation
avx
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