lkml.org 
[lkml]   [2017]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v2 4/8] objtool: add undwarf debuginfo generation
    On Thu, Jun 29, 2017 at 09:14:14AM +0200, Ingo Molnar wrote:
    >
    > * Josh Poimboeuf <jpoimboe@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 <jpoimboe@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

    \
     
     \ /
      Last update: 2017-06-29 15:41    [W:3.604 / U:0.336 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site