On Wed, 7 Oct 2020 08:02:59 GMT, Xin Liu <x...@openjdk.org> wrote: >> Can you separate LLVM and binutils from hsdis.cpp? >> >> I guess you say that the problem is both GCC and binutils are not available >> on Windows AArch64. Is it right? >> 1 question: binutils seems to support Windows AArch64. Did you try recently >> binutils? If we can use binutils on Windows >> AArch64, you can fix makefile only. >> https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=binutils/dlltool.c;h=ed016b97dc38cdb1b85d2f6df676b9c9750f0d41;hb=HEAD#l248 > > IMHO, it's great to have an alternative disassembler. I personally had > better experience using llvm MC when I decoded > aarch64 and AVX instructions than BFD. Another argument is that LLVM > toolchain is supposed to provide the premium > experience on non-gnu platforms such as FreeBSD. @luhenry I tried to > build it with LLVM10.0.1 > on my x86_64, ubuntu, I ran into a small problem. here is how I build. > `$make ARCH=amd64 CC=/opt/llvm/bin/clang CXX=/opt/llvm/bin/clang++ > LLVM=/opt/llvm/` > > I can't meet this condition because Makefile defines LIBOS_linux. > #elif defined(LIBOS_Linux) && defined(LIBARCH_amd64) > return "x86_64-pc-linux-gnu"; > > Actually, Makefile assigns OS to windows/linux/aix/macosx (all lower case)and > then > `CPPFLAGS += -DLIBOS_$(OS) -DLIBOS="$(OS)" -DLIBARCH_$(LIBARCH) > -DLIBARCH="$(LIBARCH)" -DLIB_EXT="$(LIB_EXT)"` > > In hsdis.cpp, `native_target_triple` needs to match whatever Makefile > defined. With that fix, I generate llvm version > hsdis-amd64.so and it works flawlessly
> 1 question: binutils seems to support Windows AArch64. Did you try recently > binutils? If we can use binutils on Windows > AArch64, you can fix makefile only. > https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=binutils/dlltool.c;h=ed016b97dc38cdb1b85d2f6df676b9c9750f0d41;hb=HEAD#l248 This is armv7, I don't see any support for armv8/AArch64 in `dlltool.c`. ------------- PR: https://git.openjdk.java.net/jdk/pull/392
