nitesh.jain added inline comments. ================ Comment at: source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.cpp:438 @@ +437,3 @@ + // The auxiliary vector consists of a sequence of key-value pairs, where key and value are of + // the pointer size for the architecture that the process is running on. We can use this to + // detect the process architecture. We will try reading the vector as if it were a 64-bit ---------------- labath wrote: > nitesh.jain wrote: > > There are three flavours of ABI, > > > > | ABI | pointer-size | Arch | Processs Type > > | O32 | 4 | Mips32 | 32 bit > > | N32 |4 | Mips64 | 32 bit > > | N64 |8 | Mips64 | 64 bit > > > > So not sure whether it will work for "N32", I will check and let you know > > asap. > Uh-oh. :) > > So, I don't think the ABI should matter much to the native register context. > What matters here is the registers and their sizes. I'm guessing the N32 > thing is something like the x32 intel abi, wher all registers are 64-bit, but > sizeof(void*) is 32-bit. In that case this function will not work correctly, > as it will detect it as 32-bit (but the NT_PRSTATUS-based one would, I guess). > > Does N32 work on pre-3.13 kernels? (Grepping the source seems to find > mentions of it, but i don't know how well it actually worked). > > I guess is back to drawing board with this one again. Could you please send > me the contents of the N32 auxiliary vector (LD_SHOW_AUXV as well as the > actual binary contents). I presume the one you sent me earlier was O32. > > cheers, > pl In N32 ABI, all GPR register are 64 bit and sizeof(void *) is 32 bit.
Yes, N32 ABI works on pre-3.13 kernels. I have send earlier aux for O32 ABI . Thanks, Nj http://reviews.llvm.org/D20368 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
