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From "Gregory Shimansky (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5305) [drlvm][jit][EUT] regression in jdtdebug in Linux x86_64
Date Mon, 17 Dec 2007 13:27:44 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12552405

Gregory Shimansky commented on HARMONY-5305:

BTW looking at the assembly code in your version of helper

     push %rbp
     mov %rsp,%rbp
     mov %rdi,0xfffffffffffffff8(%rbp)
     mov 0xfffffffffffffff8(%rbp),%rax

I don't quite understand the difference with the current code without my patch:

0x00002aaaada1892c <_ZN7Jitrino3Jet14rt_h_i64_2_i32Ex+0>: push %rbp
0x00002aaaada1892d <_ZN7Jitrino3Jet14rt_h_i64_2_i32Ex+1>: mov %rsp,%rbp
0x00002aaaada18930 <_ZN7Jitrino3Jet14rt_h_i64_2_i32Ex+4>: mov %rdi,0xfffffffffffffff8(%rbp)
0x00002aaaada18934 <_ZN7Jitrino3Jet14rt_h_i64_2_i32Ex+8>: mov 0xfffffffffffffff8(%rbp),%rax
0x00002aaaada18938 <_ZN7Jitrino3Jet14rt_h_i64_2_i32Ex+12>: leaveq
0x00002aaaada18939 <_ZN7Jitrino3Jet14rt_h_i64_2_i32Ex+13>: retq 

The code seems to be identical to me and should be working in the same way allowing garbage
in the upper half of RAX.

> [drlvm][jit][EUT] regression in jdtdebug in Linux x86_64
> --------------------------------------------------------
>                 Key: HARMONY-5305
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5305
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Linux x86_64
>            Reporter: Vladimir Beliaev
>         Attachments: Breakpoints.java, IBreakpoints.java
> The jdtdebug suite start hanging on Linux x86_64. 
> The issue migt be the same to HARMONY-5303, still CC start repoting this crash earlier
- the latest non-crashed revision is 595048 (15-Nov-2007)
> http://people.apache.org/~smishura/r595048/Linux_x86_64/eut33/results/html/org.eclipse.jdt.debug.tests_linux.gtk.x86_64.html
> See the run instruction in HARMONY-5303, still use jdtdebug instead of coreresources.

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