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New posts in x86-64
Does STLR(B) provide sequential consistency on ARM64?
Jun 21, 2026
c++
x86-64
atomic
arm64
memory-model
Deterministic malloc in a forked process
Jun 21, 2026
c
linux
gcc
x86-64
Segfault simulating #embed on GCC 14 with .incbin into .rodata and defining a global span<>
Jun 19, 2026
c++
assembly
g++
x86-64
inline-assembly
Perf shows L1-dcache-load-misses in a block with no memory access
Jun 18, 2026
linux
performance
profiling
x86-64
perf
Implementing breakpoints that resume safely in multithreaded code
Jun 14, 2026
c++
debugging
x86-64
breakpoints
machine-code
Why does ptrace show a 32-bit execve system call having EAX = 59, the 64-bit call number? How do 32-bit system calls work on x86-64?
Jun 14, 2026
linux
x86-64
system-calls
32bit-64bit
ptrace
Why does this REPNE SCASB implementation of strlen work?
Jun 12, 2026
c
assembly
x86-64
calling-convention
strlen
Using assembly JMP function on x86_64
Jun 12, 2026
gcc
assembly
x86-64
Constant value too large for OR but not for MOV on x64 [duplicate]
Jun 11, 2026
assembly
x86-64
nasm
immediate-operand
Linux x86-64 Hello World and register usage for parameters
Jun 09, 2026
linux
assembly
x86
x86-64
nasm
Is llvm-libunwind safe to call from signal handler?
Jun 10, 2026
linux
x86-64
llvm
backtrace
libunwind
How to get the Process Environment Block (PEB) address using assembler (x64 OS)?
Jun 11, 2026
c++
windows
assembly
x86-64
masm
What are the meanings of callq command parameters?
Jun 11, 2026
linux
assembly
x86-64
disassembly
object-files
Segmentation fault when replacing `malloc`, `calloc`, `realloc` and `free` via `LD_PRELOAD`
Jun 10, 2026
c
linux
malloc
x86-64
ld-preload
Perfectly fine division throws floating point exception
Jun 09, 2026
floating-point
clang
x86-64
floating-point-exceptions
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