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-   -   What is the difference among CFI version 1, 3 and 4? (http://www.linux-archive.org/crash-utility/504984-what-difference-among-cfi-version-1-3-4-a.html)

HATAYAMA Daisuke 01-01-1970 01:00 AM

What is the difference among CFI version 1, 3 and 4?
 
From: Mark Wielaard <mjw@redhat.com>
Subject: Re: What is the difference among CFI version 1, 3 and 4?
Date: Thu, 24 Mar 2011 09:34:10 +0100

> On Thu, 2011-03-24 at 12:18 +0900, HATAYAMA Daisuke wrote:
>> However, I don't know what was added from version 1 to 3, and from
>> version 3 and 4. Could anyone suggest me that or tell me documentation
>> useful to recognize the difference in addition to the original Dwarf
>> specifications?
>
> http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/dwarfext.html
> http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/ehframechpt.html
>
> Are useful since they describe differences and additions
> between .debug_frame (as defined by dwarf2) and .eh_frame (which mostly
> follows dwarf3 conventions).
>

That's very helpful. The way they are described is just what I'm
looking for. Thanks!

Thanks.
HATAYAMA, Daisuke

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Mark Wielaard 03-24-2011 07:34 AM

What is the difference among CFI version 1, 3 and 4?
 
On Thu, 2011-03-24 at 12:18 +0900, HATAYAMA Daisuke wrote:
> However, I don't know what was added from version 1 to 3, and from
> version 3 and 4. Could anyone suggest me that or tell me documentation
> useful to recognize the difference in addition to the original Dwarf
> specifications?

http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/dwarfext.html
http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/ehframechpt.html

Are useful since they describe differences and additions
between .debug_frame (as defined by dwarf2) and .eh_frame (which mostly
follows dwarf3 conventions).

Cheers,

Mark

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