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From "Ilya Berezhniuk (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-1657) [DRLVM] [JVMTI] Breakpoint handler does not restore processor flags
Date Mon, 02 Oct 2006 12:37:20 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1657?page=all ]

Ilya Berezhniuk updated HARMONY-1657:

    Attachment: restore_flags.patch

The patch fixes the bug for ia32.
Also minor improvements were made in breakpoint handler.

> [DRLVM] [JVMTI] Breakpoint handler does not restore processor flags
> -------------------------------------------------------------------
>                 Key: HARMONY-1657
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1657
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: All
>            Reporter: Ilya Berezhniuk
>         Attachments: restore_flags.patch
> Earlier, exception/signal handler returned control to interrupted code during JIT breakpoint
processing, so it restored all unmodified processor registers including processor flags.
> Now control is returned to interrupted code directly from breakpoint handler using si_transfer_control
function. This function restores general processor registers, but it does not restore processor
flags modified during breakpoint processing.

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