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VisionClick debugger with Linux kernel

DISCUSSION Gerald Champagne 2 participants 3 messages Oct 9, 2001 – Oct 12, 2001 MIPS

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Has anyone used the Wind River VisionClick debugger with the Linux kernel? I'm using this debugger and works great except it thinks that the symbols for some files start at address zero instead of the proper offset. Has anyone else seen this and were you able to get it to work? I'm using the latest tools from:

ftp://oss.sgi.com/pub/linux/mips/redhat/7.1/RPMS/i386/toolchain-mips-20010830-1.i386.rpm

I can't find any differences between the files that work and the files that don't work and the symbols look correct in the System.map file.

Yeah, I'm working with Wind River, but I haven't gotten a solution yet. You know how that 8-5 centralized corporate support is though. :)

Thanks!

Gerald

#1 lore raw

Gerald Champagne wrote:

Has anyone used the Wind River VisionClick debugger with the Linux kernel?
I'm using this debugger and works great except it thinks that the symbols
for some files start at address zero instead of the proper offset. Has anyone
else seen this and were you able to get it to work? I'm using the latest tools
from:

ftp://oss.sgi.com/pub/linux/mips/redhat/7.1/RPMS/i386/toolchain-mips-200 10830-1.i386.rpm <ftp://oss.sgi.com/pub/linux/mips/redhat/7.1/RPMS/i386/toolchain-mips-20 010830-1.i386.rpm>

I can't find any differences between the files that work and the files that
don't work and the symbols look correct in the System.map file.

Yeah, I'm working with Wind River, but I haven't gotten a solution yet. You know how that 8-5 centralized corporate support is though. :)

Thanks!

Gerald

We are using a VisionIce debugger from the linux-mips kernel, although I am using the
MontaVista Hardhat 2.0 tools. I am able to load the symbols after they
have been
generated from the Convert utility. It seems to work fine except for modules...haven't
had much luck with that. Had to get a patch to view TLB mapped memory properly
though.

Jeff

Signature · 15 lines
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

\ Jeff Harrell  ([email protected])               \

\ Telogy Networks                                   \

\ Broadband Access Group                            \

\                                                   \

\ Work: (301) 515-6537                              \

\ Fax:  (301) 515-6637                              \

\~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#2 lore raw

Thanks for the response. I just found the problem last night. Their convert utility was screwing up on files that had module_init and module_exit routines in them, even though it wasn't compiled as a module. I fixed it by replacing the __init and __exit macros with nothing so the code is placed in a normal .text segment.

Gerald

Quoted 45 lines · Jeff Harrell

Gerald Champagne wrote:

Has anyone used the Wind River VisionClick debugger with the Linux kernel?
I'm using this debugger and works great except it thinks that the symbols
for some files start at address zero instead of the proper offset. Has anyone
else seen this and were you able to get it to work? I'm using the latest tools
from:

ftp://oss.sgi.com/pub/linux/mips/redhat/7.1/RPMS/i386/toolchain-mips-20010830-1.i386.rpm

I can't find any differences between the files that work and the files that
don't work and the symbols look correct in the System.map file.

Yeah, I'm working with Wind River, but I haven't gotten a solution yet. You know how that 8-5 centralized corporate support is though. :)

Thanks!

Gerald

We are using a VisionIce debugger from the linux-mips kernel, although I am using the
MontaVista Hardhat 2.0 tools. I am able to load the symbols after they have been
generated from the Convert utility. It seems to work fine except for modules...haven't had much luck with that. Had to get a patch to view TLB mapped memory properly though.

Jeff

Signature · 8 lines
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
\ Jeff Harrell  ([email protected])               \
\ Telogy Networks                                   \
\ Broadband Access Group                            \
\                                                   \
\ Work: (301) 515-6537                              \
\ Fax:  (301) 515-6637                              \
\~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~