Em Tue, Jan 27, 2009 at 10:52:22AM -0500, Bart Trojanowski escreveu: > * Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> [090127 10:27]: > > With DWARF you can: > > > > 1. find out struct layout > > 2. find which functions have parameters of the type you want > > 3. find which functions have variables of the type you want > > 4. Know where such variables and parameters are on memory > > using DWARF location expressions (google for loc2c) > > > > And that is it. > > Thanks for the quick reply and clarification. > > > Then... you would need to use libdisasm, that is part of elfutils but is > > still a bit rough, being designed mostly for what you get from the > > binutils utilities disassembly options. > > > > Combinining the above you will be able to do what you want. > > That sounds interesting, but unfortunately the man pages notes that... > >> The x86-64 architecture is not supported..LP > ... being ia32-only makes it a no go for me. Forget about the man page, this is very fluid, look at the latest released version, 0.139, on fedorahosted, lemme dig the URL https://fedorahosted.org/elfutils/ There is now a git tree, check it and, again, forget about the man page :) > Is there another route you could think of that is not platform-specific? > > I guess binutils/objdump doesn't actually understand what's happening it > just links it back to the code. Hmm... and things like gdb are aware of > things because they are platform specific. > > > I want to look at usage patterns to figure out what are the member > > working sets to pass that to my struct member reorganizing routines, run > > with performance counters before/after, all automated, and reap the > > profits 8) > > I hear ya. :) > > Thanks again. Gimme 5 minutes and I'll get that done! ;-) - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe dwarves" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
