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New posts in x86-64
GCC access memory above stack top [duplicate]
Mar 24, 2023
assembly
gcc
x86-64
sse
red-zone
insmod: ERROR: could not insert module rtl8723be.ko: Unknown symbol in module
Mar 20, 2023
c
gcc
linux-kernel
x86-64
inline-assembly
How to ensure that RDTSC is accurate?
Mar 15, 2023
x86
x86-64
cpuid
rdtsc
Using printf in assembly leads to empty output when piping, but works on the terminal
Mar 13, 2023
linux
assembly
printf
x86-64
glibc
How to skip a system call with ptrace?
Mar 13, 2023
linux
x86-64
system-calls
ptrace
Dlang - Understaning std.cycle() in assembly
Mar 13, 2023
assembly
std
d
x86-64
abi
What is the difference between "mov (%rax),%eax" and "mov %rax,%eax"?
Mar 12, 2023
assembly
x86
x86-64
cpu-registers
Is it possible to replace every instance of a particular function with a dummy in a compiled binary?
Mar 10, 2023
x86-64
executable
reverse-engineering
elf
mach-o
Successive sys_write syscalls not working as expected, NASM bug on OS X?
Mar 09, 2023
macos
assembly
64-bit
nasm
x86-64
Writing a C function from given x86 assembly
Mar 09, 2023
c
gcc
assembly
x86-64
reverse-engineering
Why does eax contain the number of vector parameters?
Mar 07, 2023
assembly
x86-64
calling-convention
abi
sysv
ELF - Getting a SEGFAULT when changing the entry point
Mar 07, 2023
c
x86-64
elf
mmap
Will a default release build always use up to SSSE3 instructions?
Mar 06, 2023
rust
x86-64
sse
simd
How is the transitivity/cumulativity property of memory barriers implemented micro-architecturally?
Mar 04, 2023
x86
x86-64
cpu-architecture
memory-barriers
micro-architecture
Relation of endianness to assembly conversion of size in C
Sep 03, 2025
c
assembly
x86-64
endianness
How do I call a global C function pointer in NASM without warnings?
Sep 01, 2025
c
assembly
global-variables
x86-64
nasm
Unexpectedly slow performance on moving from register to frequently accessed variable
Sep 01, 2025
c
assembly
caching
x86-64
perf
Why is (V)SHUFPS not in Intel's constant time instruction list?
Sep 02, 2025
assembly
cryptography
x86-64
cpu-architecture
avx
Can I make shared library constructors execute before relocations?
Sep 01, 2025
c++
linux
shared-libraries
x86-64
AT&T syntax hello world works but intel syntax does not
Sep 02, 2025
assembly
x86-64
gnu-assembler
intel-syntax
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