[foreign-abi] [Rev 01] RFR: Rename SystemABI to ForeignLinker, and move C support to a separate class.

[Jorn Vernee]

> Hi,
> 
> This patch renames SystemABI to ForeignLinker, and moves the C support, namely layout constants and the getSystemABI
> factory, to a new class named `C`.
> This is an effort to untangle the otherwise ABI/Language agnostic API of SystemABI from APIs that serve C specifically.
> 
> The rename from SystemABI to ForeignLinker attempts to make it clear that there is not a single ABI per system, but
> there can be multiple. Although the same holds for C, in practice there is one de facto ABI per system, so we still
> keep the getSystemLinker (renamed from getSystemABI) factory for C.  The new name also better reflects what the class
> does; it links a native function as a MethodHandle, or links a Java function as a native function pointer. The overall
> theme being linking.  I've also removed some of the ABI name constants that were in SystemABI previously, as they were
> unused.
> (FYI, the name change in the diff on GitHub from SystemABI -> C seems to have been inferred automatically, and is
> incorrect. The actual rename is from SystemABI -> ForeignLinker, and the C class was added separately).
> Thanks,
> Jorn

Jorn Vernee has updated the pull request incrementally with one additional commit since the last revision:

  Rename 'C' to 'CSupport'

-------------

Changes:
  - all: https://git.openjdk.java.net/panama-foreign/pull/174/files
  - new: https://git.openjdk.java.net/panama-foreign/pull/174/files/78da04dc..03462e1e

Webrevs:
 - full: https://webrevs.openjdk.java.net/panama-foreign/174/webrev.01
 - incr: https://webrevs.openjdk.java.net/panama-foreign/174/webrev.00-01

  Stats: 58 lines in 25 files changed: 0 ins; 0 del; 58 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/174.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/174/head:pull/174

PR: https://git.openjdk.java.net/panama-foreign/pull/174