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From: mark@sourceware.org To: frysk-cvs@sourceware.org Subject: [SCM] master: Mark Task as justStarted when receiving an ExecedEvent. Date: Wed, 09 Apr 2008 14:14:00 -0000 [thread overview] Message-ID: <20080409141418.14389.qmail@sourceware.org> (raw) The branch, master has been updated via a3efa3a7e09b2760484ce7e6b0d67e74b170e8bb (commit) from d1a490efa853a1a7c0d4c8f9c19e104950ade138 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email. - Log ----------------------------------------------------------------- commit a3efa3a7e09b2760484ce7e6b0d67e74b170e8bb Author: Mark Wielaard <mwielaard@redhat.com> Date: Wed Apr 9 16:06:46 2008 +0200 Mark Task as justStarted when receiving an ExecedEvent. frysk-core/frysk/proc/ChangeLog 2008-04-09 Mark Wielaard <mwielaard@redhat.com> * TestTaskObserverInstruction (testFirstInstructionAtEntry): New test. frysk-core/frysk/proc/live/ChangeLog 2008-04-09 Mark Wielaard <mwielaard@redhat.com> * LinuxPtraceTaskState.java (Running.handleExecedEvent): Mark Task as justStarted. ----------------------------------------------------------------------- Summary of changes: frysk-core/frysk/proc/ChangeLog | 5 +++ .../frysk/proc/TestTaskObserverInstruction.java | 27 ++++++++++++++++++++ frysk-core/frysk/proc/live/ChangeLog | 5 +++ .../frysk/proc/live/LinuxPtraceTaskState.java | 4 +++ 4 files changed, 41 insertions(+), 0 deletions(-) First 500 lines of diff: diff --git a/frysk-core/frysk/proc/ChangeLog b/frysk-core/frysk/proc/ChangeLog index ffcdbbf..eab7ef8 100644 --- a/frysk-core/frysk/proc/ChangeLog +++ b/frysk-core/frysk/proc/ChangeLog @@ -1,3 +1,8 @@ +2008-04-09 Mark Wielaard <mwielaard@redhat.com> + + * TestTaskObserverInstruction (testFirstInstructionAtEntry): + New test. + 2008-04-07 Stan Cox <scox@redhat.com> * Host.java (requestCreateAttachedProc): Add libs parameter. Change diff --git a/frysk-core/frysk/proc/TestTaskObserverInstruction.java b/frysk-core/frysk/proc/TestTaskObserverInstruction.java index d5e3d2a..546a763 100644 --- a/frysk-core/frysk/proc/TestTaskObserverInstruction.java +++ b/frysk-core/frysk/proc/TestTaskObserverInstruction.java @@ -43,6 +43,9 @@ import frysk.testbed.TestLib; import frysk.testbed.Offspring; import frysk.testbed.SlaveOffspring; +import frysk.testbed.DaemonBlockedAtEntry; +import frysk.config.Config; + public class TestTaskObserverInstruction extends TestLib { public void testInstruction() @@ -136,6 +139,30 @@ public class TestTaskObserverInstruction extends TestLib assertTrue("InstructionObserver hit", instr.hit == 2); } + /** + * Tests stepping the very first instruction (actualy the start of the + * dynamic loader which is going to load the actual program). This is + * a nasty corner case since this isn't a "real step" but actually the + * kernel adjusting the task so that it will start running. + */ + public void testFirstInstructionAtEntry() + { + DaemonBlockedAtEntry daemon; + daemon = new DaemonBlockedAtEntry(Config.getPkgLibFile("funit-child")); + Task task = daemon.getMainTask(); + + InstructionObserver instr = new InstructionObserver(); + task.requestAddInstructionObserver(instr); + assertRunUntilStop("add InstructionObserver"); + assertTrue("InstructionObserver added", instr.added); + assertTrue("InstructionObserver hit", instr.hit == 1); + + daemon.requestUnblock(); + task.requestUnblock(instr); + assertRunUntilStop("step first instruction"); + assertTrue("InstructionObserver hit again", instr.hit == 2); + } + private class StepAttachedObserver implements TaskAttachedObserverXXX { private final InstructionObserver instr; diff --git a/frysk-core/frysk/proc/live/ChangeLog b/frysk-core/frysk/proc/live/ChangeLog index 99e9c3a..1435679 100644 --- a/frysk-core/frysk/proc/live/ChangeLog +++ b/frysk-core/frysk/proc/live/ChangeLog @@ -1,3 +1,8 @@ +2008-04-09 Mark Wielaard <mwielaard@redhat.com> + + * LinuxPtraceTaskState.java (Running.handleExecedEvent): Mark + Task as justStarted. + 2008-04-08 Phil Muldoon <pmuldoon@redhat.com> Mark Wielaard <mwielaard@redhat.com> diff --git a/frysk-core/frysk/proc/live/LinuxPtraceTaskState.java b/frysk-core/frysk/proc/live/LinuxPtraceTaskState.java index 3e590c4..9a71530 100644 --- a/frysk-core/frysk/proc/live/LinuxPtraceTaskState.java +++ b/frysk-core/frysk/proc/live/LinuxPtraceTaskState.java @@ -891,6 +891,10 @@ abstract class LinuxPtraceTaskState extends State { ((TaskObservation) i.next()).delete(); } + // Mark this LinuxPtraceTask as just started. See + // Running.handleTrapped for more explanation. + task.justStartedXXX = true; + if (task.notifyExeced() > 0) { return (task.syscallObservers.numberOfObservers() > 0 ? syscallBlockedInSyscallContinue hooks/post-receive -- frysk system monitor/debugger
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