Putting debug info in rtems files

Smith, Gene gene.smith at siemens.com
Mon Oct 11 12:44:13 UTC 2004

Thomas Doerfler wrote, On 10/11/2004 1:24 AM:
> Gene,
> when RTEMS libraries get built, nested makefiles are 
> executed that "walk" through the build directory 
> structure. Therefore, each file is compiled from a 
> certain point in the build directory structure that 
> lies in paralllel to the source directory structure.

Yeah, that's what I finally figured out too *after* I posted. It's based 
on the "build-rtems" directory structure.

> Consequeces:
> - You have more or less of these "dots" depending on 
> how deep the corresponding directory is inside the 
> build tree. Just an idea: You might come around 
> this, if you call the initial "configure" not in a 
> relative way (e.g. "../rtems-4.6.0/configure", but 
> in an absolute way, e.g. 
> "/usr/local/src/rtems/tools/rtems-4.6.0/configure").

That sounds promising. Thanks.

> - There is no common location, from which the source 
> file pointers in the debug info is correct for all 
> object files.
> wkr,
> Thomas.
>>Kamen Penev wrote, On 10/08/2004 08:47 PM:
>>>My intuition is this is a linker problem. Check your linker script and 
>>>the invocation of the linker. Make sure you are not throwing away the 
>>>stabs sections.
>>My linkcmds file (based on helas403) does call out the stab sections (as 
>>well as dwarfs).
>>I noticed that when I run gdb (via insight) I can actually see my source 
>>if I set my gdb source "directory" path just right. This seems to be 
>>because there are a lot of "../" constructs in the hello.exe file. For 
>>example I see things like this where source files appear in the binary:
>>I see the same things when files are entered when running gdb.
>>The number of ../'s seem to depend on something since they vary with 
>>file but not sure what. Any idea what controls this? (I have to set my 
>>"directory" possibly 9, 5, 6 levels beyond the "rtems-4.6.1" to see my 
>>source in gdb.)
>>If the ../'s weren't there, I could set my gdb directory to right before 
>>the "rtems-4.6.1" and gdb would append to that the correct file path. 
>>Anyone know what is going on here and if it is possible to get rid of 
>>the ../'s?
> --------------------------------------------
> IMD Ingenieurbuero fuer Microcomputertechnik
> Thomas Doerfler           Herbststrasse 8
> D-82178 Puchheim          Germany
> email:    Thomas.Doerfler at imd-systems.de
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