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New posts in x86-64
Is there a default operand size in the x86-64 (AMD64) architecture?
Sep 21, 2026
assembly
x86-64
machine-code
prefixes
How can I insert int3 with ptrace in Ubuntu x64?
Sep 19, 2026
c
linux
debugging
x86-64
ptrace
How to change errno value in asm x64
Sep 19, 2026
linux
assembly
x86-64
system-calls
errno
Out-of-order Hardware: How "smart" is it?
Sep 19, 2026
performance
optimization
x86-64
low-level
order-of-execution
how is a struct returned by value, in terms of assembly language, if that struct is too large to fit in a register? [duplicate]
Sep 18, 2026
assembly
x86-64
calling-convention
abi
return-by-value
SYSRET vs SYSRETQ distinction and compatibility mode
Sep 17, 2026
assembly
x86
x86-64
intel
cpu-architecture
bug changing strings to incorrect values while trying to reverse a string in x86-64
Sep 14, 2026
linux
assembly
x86-64
Which assembly instructions or scenarios explicitly require the use of the RCX, ECX, CX, or CL counter registers?
Sep 16, 2026
assembly
x86-64
nasm
masm
calling-convention
What Does the "Arguments" Field in the Functions Tab of IDA Represent?
Sep 15, 2026
c
x86-64
reverse-engineering
ida
Why is 1's complement still used for encoding vector instructions?
Sep 15, 2026
x86-64
intel
twos-complement
machine-code
ones-complement
Calling an assembly function from C
Sep 15, 2026
c
assembly
x86-64
How to "remove" bytes at the end of a SSE register?
Sep 14, 2026
assembly
x86-64
sse
att
Fast stack switching under x86-64
Sep 14, 2026
c
linux
windows
assembly
x86-64
Infinite loop when using cmpq and je
Sep 11, 2026
assembly
x86-64
decrement
cmp
Getting the address of the end of a buffer instead of its beginning
Sep 11, 2026
c
assembly
buffer
x86-64
Is it possible to interrupt a process and checkpoint it to resume it later on?
Sep 10, 2026
c
linux
x86-64
checkpoint
Does clwb take care of the write in store buffer?
Sep 10, 2026
assembly
x86
x86-64
cpu-architecture
persistent-memory
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