x86 interpreters in hotspot

[Krystal Mok]

Hi Xin,

These slides will help you get started with the template-based interpreter
in HotSpot.

1. a must read introduction (in English):
Sun Hotspot JVM Part 1: The Interpreter ... on the x86 platform
http://markmail.org/download.xqy?id=vn5olfue3yiwldjh&number=1

2. some notes I wrote (in Chinese):
http://www.tektalk.org/2011/07/28/java-%E7%A8%8B%E5%BA%8F%E7%9A%84%E7%BC%96%E8%AF%91%EF%BC%8C%E5%8A%A0%E8%BD%BD-%E5%92%8C-%E6%89%A7%E8%A1%8C/

3. another presentation (in Japanese):
http://www.slideshare.net/ytoshima/hotspot-template-interpreter-memos

More comments inline below:

On Tue, May 8, 2012 at 8:43 AM, Xin Tong <xerox.time.tech at gmail.com> wrote:

> I am investigating how interpreter is written in hotspot. It seems
> hotspot uses a template based interpreter in which how a bytecode
> should be handled in defined in a template form and generated in
> memory when the virtual machine is launch.  what is the function that
> is called to build this bytecode interpreter in memory in hotspot x86
> ?
>
> >From the online document, it says hotspot is not using the classic
> switch dispatch interpreter, is it using the direct threaded
> interpreter ?
>
> The template interpreter in HotSpot VM is better described as a
token-threaded dispatch interpreter, or indirect-threaded dispatch (as
opposed to direct-threaded dispatch).

- Kris


> Thanks
>
> Xin
>
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