Thanks Greg and Duane, I will try these things and comeback if I have further questions.
-Jiten > On Jun 7, 2016, at 12:28 PM, du...@duaneellis.com wrote: > > You need to understand the DWARF (debug info) > > Try this: > > Create a *SIMPLE* C file - with a simple structure > Do *not* "#include" any file - make your file 100% standalone. > (later you can get more complicated, you want a simple translation unit) > > Do the following with both GCC and LLVM > > Compile this file using only the "-c -S" options. (this produces an assembly > listing) > > Next, add the "-g" option thus: "-c -S -g" - look at the difference. > Try other variants of the "-g" (see the man pages) > > Look over the .S file output - this should give you a good description of the > dwarf info. > > Add things - this will get you started. Then - start reading about DWARF > records and and then start spelunking (cave exploring) through out the code > base - both in LLVM and in GDB - compare and contrast. > > Find some function - in the bowels of GDB and/or LLVM and set a breakpoint - > use GDB to DEBUG GDB > or LLVM to Debug LLVM what ever combination you like. > > A good example would be the "print variable" operation, then step through the > code and examine the available variables and the dwarf debug data structures > "in-situ" with actual data present. Also disable the optimizer, and turn on > all debugging. This means building your own version of GDB and/or LLVM > > -Duane. > > -------- Original Message -------- > Subject: [lldb-dev] Structure variable names > From: Jiten Thakkar via lldb-dev <lldb-dev@lists.llvm.org > <mailto:lldb-dev@lists.llvm.org>> > Date: Tue, June 07, 2016 9:56 am > To: lldb-dev@lists.llvm.org <mailto:lldb-dev@lists.llvm.org> > > Hi All, > I am working on a project as part of my graduate study which uses LLVM. > I am new to LLVM and lldb to be particular. > My goal is to get names of the parameters to functions. If the parameter is a > variable in a structure, it is represented as an offset in the structure. > I want to get the names of all those parameters. I assume that debug info > should provide this but so far I am unable to find any documentation > regarding which would describe how to do it. > Is there a way to do this using debug info? Is this even possible? > Please let me know if any of this is confusing and I will try to describe it > in detail. > > Thanks, > Jiten > _______________________________________________ > lldb-dev mailing list > lldb-dev@lists.llvm.org <mailto:lldb-dev@lists.llvm.org> > http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev > <http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev>
_______________________________________________ lldb-dev mailing list lldb-dev@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev
