- Implement fallbacks to `PTRACE_GETREGS` and `PTRACE_SETREGS` for 32-bit ARM (`__arm__`). Some kernels return `EIO` or `EINVAL` when attempting to access `NT_PRSTATUS` via `PTRACE_GETREGSET`/`PTRACE_SETREGSET`.
- Update `transfer_fd_to_remote` to use `libc_return_addr` instead of `0` as the return address during the `recvmsg` split-call. This ensures the remote process stops predictably at a known non-executable location rather than relying on a potentially unsafe jump to `0x0`.
- Clarify comments regarding i386 argument passing in `utils.cpp`. Correctly note that a linear `write_proc` starting at the new SP matches the `cdecl` Right-to-Left memory layout (since stacks grow downwards while memory writes move upwards), removing the suggestion that arguments needed reversing.
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