RFR: 8377947: Test serviceability/sa/TestJhsdbJstackMixedCore.java failed on linux-x64

[Yasumasa Suenaga]

This PR is extracted from #29731 .

We saw following mixed jstack in TestJhsdbJstackMixedCore.java and then it failed due to unsatisfied condition.


----------------- 3258804 -----------------
"main" #3 prio=5 tid=0x00007f497802e450 nid=3258804 runnable [0x00007f4982c74000]
   java.lang.Thread.State: RUNNABLE
   JavaThread state: _thread_in_native
0x00007f49826dc5ef __GI_raise + 0x10f
0x00007f49826afe65 __GI_abort + 0x127
0x00007f497fdec90f os::abort(bool, void const*, void const*) [clone .cold] + 0x4
0x00007f498175d582 VMError::report_and_die(int, char const*, char const*, __va_list_tag*, Thread*, unsigned char*, void const*, void const*, char const*, int, unsigned long) + 0x6f2
0x00007f498072e3c0 report_vm_error(char const*, int, char const*, char const*, ...) + 0x100
0x00007f497fe5bb5f CompressedKlassPointers::decode_not_null(unsigned int) + 0x22f
0x00007f4982c72010 ????????


"????????" was shown because `DW_CFA_restore` is not supported in `DwarfParser`.
This PR implements `DW_CFA_restore`, and also implements `DW_CFA_restore_state` and `DW_CFA_restore` correctly using `stack`.

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

Commit messages:
 - 8377947: Test serviceability/sa/TestJhsdbJstackMixedCore.java failed on linux-x64

Changes: https://git.openjdk.org/jdk/pull/29779/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=29779&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8377947
  Stats: 98 lines in 3 files changed: 40 ins; 33 del; 25 mod
  Patch: https://git.openjdk.org/jdk/pull/29779.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29779/head:pull/29779

PR: https://git.openjdk.org/jdk/pull/29779