RFR: 8253757: Add LLVM-based backend for hsdis

Tue Sep 29 07:05:01 UTC 2020

On Tue, 29 Sep 2020 04:36:16 GMT, Ludovic Henry <luhenry at openjdk.org> wrote:

> When bringing up Hotspot onto new platforms, it is not always possible to compile hsdis because gcc is not yet
> available. For example, for Windows-AArch64 and macOS-AArch64.
> For some such platforms, it is possible to use LLVM as an alternative backend as it also supports a disassembler
> feature.

src/utils/hsdis-llvm/README line 88:

> 86: 2. change Makefile so that `LLVM_PRE` points to `llvm-project/llvm` from the previous step
> 87:
> 88: 3. `make` should build `hsdis-aarch64.dylib`

Shall we have a Makefile in this patch?

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PR: https://git.openjdk.java.net/jdk/pull/392