[Dwarf-Discuss] Any real products that do...
chris.quenelle at oracle.com
Sun Oct 23 17:35:13 PDT 2011
Well he said "in the debuginfo" but I assume he means "in dwarf".
So that would include the linetable as well. The significant bloat
for column information is in the line table and it's a very large
percentage increase for accurate information. Especially for
On Friday October 21, at 10:38AM, Michael Eager wrote:
> On 10/21/2011 10:30 AM, Tom Tromey wrote:
>>>>>>> "David" == David Earlam<David.Earlam at csr.com> writes:
>>>>> Are there any existing DWARF-based tool chains (compiler and
>>>>> debugger) that use column information to do, say, highlight the
>>>>> fragments of a for statement as execution advances?
>> David> xRay, ASPEX and RealView Debugger would draw a box around column
>> David> delimited statements in a single line and ARM's RealView Compilation
>> David> Tools 3 and 4
>> David> compilers produce column information to let it do so.
>> I'm curious if you, or anybody, knows the space penalty for including
>> the column information in the debuginfo. GCC could emit it pretty
>> easily, but I know people worry about size.
> I think it would be one or two bytes for each TAG which has source coordinates.
> Michael Eager eager at eagercon.com
> 1960 Park Blvd., Palo Alto, CA 94306 650-325-8077
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