On 3/23/06, Tim Ellison <[EMAIL PROTECTED]> wrote: > Weldon Washburn wrote: > > Now that JCHEVM licensing issues are resolved, I would like to find a > > home for mods that make Harmony Classlib more portable. The files > > are: > > > > nio/src/main/java/com/ibm/platform/OSMemory.java > > nio/src/main/java/com/ibm/platform/OSFileSystem.java > > luni/src/main/java/java/io/FileDescriptor.java > > > > All of the above files contain native method declarations. To get > > "hello world" on JCHEVM working, I temporarily commented out the > > "native" keyword and turned the code into method definitions with a > > few simple hacks. > > That's cool -- as Leo said, it is fair game to create hacks to bring up > "hello world". It's a step towards the full integration of JCHEVM and > classlib. > > > Since the above files declare native methods, one possibility is to > > move them into the kernel directory. Another possibility is to leave > > the above files where they are and have them call into > > "kernel/src/main/java/java/lang/kernel_OSMemory.java". The idea is to > > move all the native method declarations into the kernel directory. > > > > Thoughts on the above? > > As Paulex said elsewhere, you are going to have to do 'the right thing' > in terms of the VMI if you expect other natives to work.
Yes, I agree. The problem will be resolving GNU Classpath hard requirements and the Harmony ClassLib hard requirements. > > I'm surprised that these are the only natives that you need to change > (to avoid the PORT_ACCESS_FROM_ENV and hy* macros) outside the kernel today. More accurately, these are the only natives required to get "hello world" working. > > Are you using the Harmony launcher for starting JCHEVM? I ask because > the launcher sets up the portlib and passes it in as a vm arg when the > VM is created. Harmony launcher is not used. I suspect the typical GNU Classpath ready JVM does not know about Harmony launcher. > > Regards, > Tim > > p.s. I don't think putting these hacks into the existing mainline > classlib code makes sense, but I have no problem with it being off to > the side if that helps with collaboration. Yes. Agreed. I will keep them off to the side. > > -- > > Tim Ellison ([EMAIL PROTECTED]) > IBM Java technology centre, UK. > -- Weldon Washburn Intel Middleware Products Division
