Dance vdsp with uCLinux (5): Add dwarf debugging information

Happy shrimp

Http://blog.csdn.net/lights_joy/

Lights@hb165.com

 

This article applies

ADSP-BF561

Visual DSP ++ 5.0 (Update 6)

Bfin-uclinux-2009r1.6

 

Reprinted, but keep the author information

 

 

Next try to generate detailed dwarf debugging information in the uClinux kernel, open the linux-2.6.x/makefile, find this line:

Kbuild_cflags: =-wall-wundef-wstrict-prototypes-wno-trigraphs/

-Fno-strict-aliasing-fno-Common/

-Werror-implicit-function-Declaration

Add the following two options:

Kbuild_cflags: =-wall-wundef-wstrict-prototypes-wno-trigraphs/

-Fno-strict-aliasing-fno-Common/

-Werror-implicit-function-declaration-gdwarf-2-G3

In the vdsp loaded uClinux, interrupted to read the vmlinux, note, is the linux-2.6.x/directory of vmlinux, rather than the images directory of vmlinux:

Don't want to prompt there was an error reading the dwarf ....

After checking the objdump, a lot of debugging information has been added. It seems that although both vdsp and GCC support dwarf, there are still differences in implementation, So we should let it go first, try other things.

 

 

 

 

1 References

Dancing vdsp with uCLinux (4): loading uClinux)

Dancing vdsp with uCLinux (3): boot kernel)

Dancing vdsp with uCLinux (2): Impact of vdsp)

Dancing vdsp with uCLinux (1): Opening)