On Thu, Jun 29, 2017 at 09:14:14AM +0200, Ingo Molnar wrote: > > * Josh Poimboeuf <jpoim...@redhat.com> wrote: > > > Now that objtool knows the states of all registers on the stack for each > > instruction, it's straightforward to generate debuginfo for an unwinder > > to use. > > > > Instead of generating DWARF, generate a new format called undwarf, which > > is more suitable for an in-kernel unwinder. See > > tools/objtool/Documentation/undwarf.txt for a more detailed description > > of this new debuginfo format and why it's preferable to DWARF. > > > > Signed-off-by: Josh Poimboeuf <jpoim...@redhat.com> > > --- > > tools/objtool/Build | 3 + > > tools/objtool/Documentation/stack-validation.txt | 46 ++--- > > tools/objtool/builtin-check.c | 2 +- > > tools/objtool/builtin-undwarf.c | 70 ++++++++ > > tools/objtool/builtin.h | 1 + > > tools/objtool/check.c | 59 ++++++- > > tools/objtool/check.h | 15 +- > > tools/objtool/elf.c | 212 > > ++++++++++++++++++++-- > > tools/objtool/elf.h | 15 +- > > tools/objtool/objtool.c | 3 +- > > tools/objtool/undwarf-types.h | 81 +++++++++ > > Just a very quick stylistic suggestion: please name the header > 'undwarf_types.h' > (note the underscore versus hyphen), which is the common naming pattern used > in > the kernel.
Ok, will rename it. -- Josh
