RFR: 8284661: Reproducible assembly builds without relative linking [v7]

[Andrew Leonard]

> This PR removes the need for relative object file linking introduced by JDK-8284437 for linux libraries, by specifying
> .file <relative source path> directives in the linux .S source files. The source files specify a .file ASSEMBLY_SRC_FILE
> where ASSEMBLY_SRC_FILE is defined by the NativeCompliation.gmk.
> 
> Signed-off-by: Andrew Leonard <anleonar at redhat.com>

Andrew Leonard has updated the pull request incrementally with one additional commit since the last revision:

  Trigger checks

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8177/files
  - new: https://git.openjdk.java.net/jdk/pull/8177/files/37d1c3d2..e2dc99cb

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8177&range=06
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8177&range=05-06

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8177.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8177/head:pull/8177

PR: https://git.openjdk.java.net/jdk/pull/8177