RFR: 8371368: SIGSEGV in JfrVframeStream::next_vframe() on arm64 [v2]

[Markus Grönlund]

> Greetings,
> 
> Please see a description in the JIRA ticket about this problem related to PreserveFramePointer on arm64.
> 
> Summary:
> The third argument passes the sender_sp as the frame FP - which is valid for most situations where unextended_sp() + cb->frame_size() is used (a compiled frame's real_fp() is usually equivalent to the sender SP). But this is incorrect when PreserveFramePointer is set. To fix this, a real frame pointer must be passed to the constructor.
> 
> Testing: jdk_jfr, stress testing
> 
> Thanks
> Markus

Markus Grönlund has updated the pull request incrementally with one additional commit since the last revision:

  ppc and s390 do not have frame::sender_sp_offset defined

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/28373/files
  - new: https://git.openjdk.org/jdk/pull/28373/files/697644a1..a2434eb8

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28373&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28373&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/28373.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28373/head:pull/28373

PR: https://git.openjdk.org/jdk/pull/28373