Hello, I'm working now on task of obtaining function parameters from stack frames. Can't say that it's really possible to get every parameter of every function, but some of them are available. My idea was the following: at start we have "reliable" register RSP, after that I'm starting to parse frame: push %rbp mov %rsp,%rbp push %r13 push %r12 push %rbx hence we have rbx, r12, r13 "reliable" registers and so on. At the end of frame we have the following: mov %r13,%rcx mov %rax,%rdx mov %r12,%rsi mov %rbx,%rdi callq *%r8 Source is callee-save register, destination is parameter register. Then the next frame: mov %rbx, -0x28(%rbp) mov %r12, -0x20(%rbp) mov %r13, -0x18(%rbp) mov %r14, -0x10(%rbp) and we have 3 of 4 parameters in stack. (RDI which is RBX, RSI which is R12, RCX which is R13). I've already written this logic (and not only this - there are a lot of heuristics), but I only have one single dump to test is. So I'd like to ask you all to provide some dumps for testing (preferably RedHat kernels). It would be great to get nested IRQs, different exceptions: * double fault * stack fault that is something with stack switch (IST). This logic has not been written yet. Thanks in advance. Alexandr -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility