Bug 2988 - ftracing i386 program on x86-64
Summary: ftracing i386 program on x86-64
Status: NEW
Alias: None
Product: frysk
Classification: Unclassified
Component: general (show other bugs)
Version: unspecified
: P3 normal
Target Milestone: ---
Assignee: Unassigned
Depends on:
Blocks: 2245
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Reported: 2006-08-01 13:28 UTC by Andrew Cagney
Modified: 2006-11-28 16:47 UTC (History)
1 user (show)

See Also:
Last reconfirmed:


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Description Andrew Cagney 2006-08-01 13:28:42 UTC
The i386 and x86-64 system call tables are different.  When a 64-bit ftrace
tracks a 32-bit app, it needs to:

- use the 32-bit system call table
- project the 32-bit register set onto the underlying 64-bit register set
Comment 1 Andrew Cagney 2006-08-01 13:30:11 UTC
Down stream Fedora bug:
Comment 2 Yao Qi 2006-08-31 16:04:58 UTC
It is similar for ppc32 app on ppc64.
Comment 3 Wu Zhou 2006-09-28 15:45:23 UTC
This kind of bugs belongs to bi-arch ones.  What about creating a new tracker
for them.  So that we can know how it works in general?