On Mon, 1 Dec 2025 23:38:20 GMT, Yasumasa Suenaga <[email protected]> wrote:
>> We've fixed mixed mode jstack for the debuggee running with `-Xcomp` in >> [JDK-8370176](https://bugs.openjdk.org/browse/JDK-8370176), but it was not >> enough. We need to handle like unifying `CFrame` and `Frame` in stack >> unwinding as possible, and need to change how to get caller SP/FP from stack. >> >> This PR works fine on both Linux AMD64 and Linux AArch64. All of >> `hotspot/jtreg/serviceability/sa` tests have been passed on both platforms. >> >> Big thanks to @pchilano for your help! > > Yasumasa Suenaga has updated the pull request incrementally with one > additional commit since the last revision: > > Update > src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/debugger/bsd/BsdDebuggerLocal.java > > Co-authored-by: Chris Plummer <[email protected]> > This PR works fine on both Linux AMD64 and Linux AArch64. All of > hotspot/jtreg/serviceability/sa tests have been passed on both platforms. @YaSuenag it doesn't seem to work on macOS however. We get an exception moving from the native frames to Java frames: "Reference Handler" #15 daemon prio=10 tid=0x00000009f3091e10 nid=29955 waiting on condition [0x000000017059e000] java.lang.Thread.State: RUNNABLE JavaThread state: _thread_blocked 0x00000001890b64f8 ???????? 0x00000001083f8810 __ZN15PlatformMonitor4waitEy + 0x94 0x000000010836f60c __ZN7Monitor4waitEy + 0x154 0x0000000107fa19dc _JVM_WaitForReferencePendingList + 0x108 0x00000001192b5a48 sun.jvm.hotspot.utilities.UnsupportedPlatformException at jdk.hotspot.agent/sun.jvm.hotspot.debugger.cdbg.CFrame.toFrame(CFrame.java:78) at jdk.hotspot.agent/sun.jvm.hotspot.tools.PStack.getJavaNames(PStack.java:248) at jdk.hotspot.agent/sun.jvm.hotspot.tools.PStack.run(PStack.java:135) at jdk.hotspot.agent/sun.jvm.hotspot.tools.PStack.run(PStack.java:65) at jdk.hotspot.agent/sun.jvm.hotspot.tools.PStack.run(PStack.java:60) at jdk.hotspot.agent/sun.jvm.hotspot.tools.JStack.run(JStack.java:67) at jdk.hotspot.agent/sun.jvm.hotspot.tools.Tool.startInternal(Tool.java:278) at jdk.hotspot.agent/sun.jvm.hotspot.tools.Tool.start(Tool.java:241) at jdk.hotspot.agent/sun.jvm.hotspot.tools.Tool.execute(Tool.java:134) at jdk.hotspot.agent/sun.jvm.hotspot.tools.JStack.runWithArgs(JStack.java:90) at jdk.hotspot.agent/sun.jvm.hotspot.SALauncher.runJSTACK(SALauncher.java:306) at jdk.hotspot.agent/sun.jvm.hotspot.SALauncher.main(SALauncher.java:507) Bug is being filed ------------- PR Comment: https://git.openjdk.org/jdk/pull/28284#issuecomment-3614262403
