[jdk11u-dev] RFR: 8224796: C code is not compiled correctly due to undefined "i386" [v2]

[Vladimir Petko]

> openjdk 11 had [JDK-8224087](https://bugs.openjdk.org/browse/JDK-8224087)  backported. This broke x86 hotspot serviceability due to undefined `i386`:
> 
> java.lang.UnsatisfiedLinkError: 'long[] sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet0(int)'
> 	at jdk.hotspot.agent/sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet0(Native Method)
> 	at jdk.hotspot.agent/sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:560)
> 	at jdk.hotspot.agent/sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.run(LinuxDebuggerLocal.java:175)
> 
> 
> 
> $objdump  -t build/bootcycle-build/jdk/lib/libsaproc.so  | grep getThreadIntegerRegisterSet0
> $
> 
> 
> This backport of JDK-8224796 fixes C compilation:
> 
> 
> $ objdump -t ~/libsaproc.so | grep getThreadInteger
> 00003260 g     F .text	00000192              Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_getThreadIntegerRegisterSet0
> 
> 
> Note: unrelated test failure of macosx serviceability, e.g. see https://github.com/openjdk/jdk11u-dev/pull/3136

Vladimir Petko has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'openjdk:master' into backport-vpa1977-b71c30f1-master
 - Backport b71c30f1b80def5f940ee3db75916c9c6202a05f

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

Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/3138/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/3138/files/f62061a2..f6769689

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=3138&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=3138&range=00-01

  Stats: 1091 lines in 36 files changed: 970 ins; 35 del; 86 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/3138.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/3138/head:pull/3138

PR: https://git.openjdk.org/jdk11u-dev/pull/3138