RFR: JDK-8302320: AsyncGetCallTrace obtains too few frames in sanity test [v2]

[Johannes Bechberger]

On Thu, 16 Feb 2023 14:25:15 GMT, Johannes Bechberger <duke at openjdk.org> wrote:

>> Extends the existing AsyncGetCallTrace test case and fixes the issue by modifying `MethodHandles` code.
>
> Johannes Bechberger has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Implement addptr suggestion by @JohnVernee and @reinrich

There also errors on Linux, e.g. `vmTestbase/vm/mlvm/indy/func/jvmti/stepBreakPopReturn/INDIFY_Test.java`:


- stepBreakPopReturn.cpp, 57: Setting debuggee class name to Lvm/mlvm/indy/func/jvmti/stepBreakPopReturn/INDIFY_Test;
- stepBreakPopReturn.cpp, 86: Entering method: Lvm/mlvm/indy/func/jvmti/stepBreakPopReturn/INDIFY_Test;.setDebuggeeMethodName
- stepBreakPopReturn.cpp, 51: Setting debuggee method name to target
### TRACE 0: Call site 1
- stepBreakPopReturn.cpp, 86: Entering method: Lvm/mlvm/indy/func/jvmti/stepBreakPopReturn/INDIFY_Test;.bootstrap
### TRACE 0: Lookup vm.mlvm.indy.func.jvmti.stepBreakPopReturn.INDIFY_Test; method name = greet; method type = (Object,String,int)int
- stepBreakPopReturn.cpp, 86: Entering method: Lvm/mlvm/indy/func/jvmti/stepBreakPopReturn/INDIFY_Test;.target
- stepBreakPopReturn.cpp, 115: Single step event: Lvm/mlvm/indy/func/jvmti/stepBreakPopReturn/INDIFY_Test; .target :1
- stepBreakPopReturn.cpp, 128: Pop a frame
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x0000000000000315, pid=41551, tid=41572
#
# JRE version: OpenJDK Runtime Environment (21.0) (fastdebug build 21-internal-adhoc.openjdk.jdk-dev)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 21-internal-adhoc.openjdk.jdk-dev, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# C  0x00000000e755a950
#
# Core dump will be written. Default location: /priv/jvmtests/output_openjdk21_dev_dbgU_linuxx86_64/jtreg_hotspot_tier4_work/JTwork/scratch/0
#
# An error report file with more information is saved as:
# /priv/jvmtests/output_openjdk21_dev_dbgU_linuxx86_64/jtreg_hotspot_tier4_work/JTwork/scratch/hs_err_pid41551.log
#
# If you would like to submit a bug report, please visit:
#   https://bugreport.java.com/bugreport/crash.jsp
#


So back to my original suggestion which is simple and worked (ran it through our internal test queue and found no errors)?

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

PR: https://git.openjdk.org/jdk/pull/12535