Chris Quenelle is a tools developer at Oracle Corp. He's worked on performance and debugging tools at Sun and Oracle for over 15 years. He reads comic books and science fiction, and has more tivos than he can keep track of.

 

May 2007
S M T W T F S
« Apr   Jun »
 12345
6789101112
13141516171819
20212223242526
2728293031  

Using dbx and libumem to find memory problems

Update: There is a new version of umem.dbx here (Solaris 9 support) Download it here.

I implemented a spiffy little dbx module to give basic access to libumem debugging features a while back, but I haven’t gotten much feedback on it. Think of this blog entry like a Dunk Tank at the carnival. [...]

May 18th, 2007 | Category: dbx | 3 comments

Latest Sun dwarf extensions

I’ve been working with the Sun lawyers and the Dwarf Standards Committee recently to change the overly zealous license on the Sun Dwarf Extensions document. I think we’ve finally gotten it down to something reasonable. Anyway, we’ve added a few twists for C++ and Fortran 90. As an example, there are some new structures for [...]

May 11th, 2007 | Category: Compilers, dbx | Leave a comment

dbx .ldynsym support – stack traces for stripped programs

Stack traces for stripped programs should get easier to read on Solaris. Solaris Nevada added a new strip-proof symbol table that inherits part of the symbols that normally get stripped out by the strip command. Basically static functions. Static functions have always been the number one cause of unreadable stack traces in stripped programs, but [...]

May 3rd, 2007 | Category: dbx | Leave a comment