On Wed, Nov 30, 2011 at 2:56 PM, Greg Clayton <[email protected]> wrote:
> Yes, LLDB can do this. > > When you are symbolicating, are you symbolicating using an address from a > live process, This is how I want it to work. And I want it to happen inside that process. > or just using the virtual addresses in an object file itself? > This is how it works now. asan prints a line like /home/kcc/llvm/build/a.out+0x402661 and then addr2line/atos does symbolization offline. --kcc > > If you are symbolicating using an address from the file, we already have a > little C++ example for you: > > https://llvm.org/svn/llvm-project/lldb/trunk/examples/lookup/main.cpp > > If you want to load a bunch of files from a process at the addresses they > were at when a backtrace or sample was taken, let me know. The example > would change a little bit, but not too much. > > Greg Clayton > > > On Nov 29, 2011, at 5:56 PM, Kostya Serebryany wrote: > > > Hello, > > > > I am working on integrating AddressSanitizer (aka asan, > http://clang.llvm.org/docs/AddressSanitizer.html) run-time library with > the llvm compiler-rt. > > Asan needs to symbolize PCs, i.e. given a value of a PC it needs to > produce the file name and the line number (if debug info is present). > > Currently, this is achieved by printing the PCs as > /path/to/object/file+offset and filtering the output with a script which > uses addr2line/atos. > > Ideally, symbolization should happen inside the process and should not > require post processing. > > > > I would expect that lldb already has such functionality, right? > > Somewhere in include/lldb/Symbol/Symtab.h? > > Does it work on both Linux and Mac? > > Do you think that it is possible/desirable to have this kind of code > sharing between lldb and asan? > > Will that work with the current build system (where lldb and > compiler-rt/lib/asan are separate subprojects)? > > > > Thanks, > > > > --kcc > > _______________________________________________ > > lldb-dev mailing list > > [email protected] > > http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev > >
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