* Re: [PATCH] Avoid warning when building with NDEBUG [not found] <20210218175115.2850050-1-irogers@google.com> @ 2021-02-18 19:21 ` Arnaldo Carvalho de Melo 2021-02-18 19:34 ` Ian Rogers 0 siblings, 1 reply; 3+ messages in thread From: Arnaldo Carvalho de Melo @ 2021-02-18 19:21 UTC (permalink / raw) To: Ian Rogers; +Cc: dwarves Em Thu, Feb 18, 2021 at 09:51:15AM -0800, Ian Rogers escreveu: > The assert macro is compiled out with NDEBUG which can lead to an unused > variable warning if the variable is only read in the assert. This is > seen just here: > > dwarf_loader.c:957:17: error: unused variable 'tag' [-Werror,-Wunused-variable] > const uint16_t tag = dwarf_tag(die); Thanks Ian, I added: Signed-off-by: Ian Rogers <irogers@google.com> And CC: dwarves@vger.kernel.org Please let me know if this is all ok. - Arnaldo > --- > dwarf_loader.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/dwarf_loader.c b/dwarf_loader.c > index b73d786..22c3a55 100644 > --- a/dwarf_loader.c > +++ b/dwarf_loader.c > @@ -954,9 +954,10 @@ static struct lexblock *lexblock__new(Dwarf_Die *die, struct cu *cu) > > static void ftype__init(struct ftype *ftype, Dwarf_Die *die, struct cu *cu) > { > +#ifndef NDEBUG > const uint16_t tag = dwarf_tag(die); > assert(tag == DW_TAG_subprogram || tag == DW_TAG_subroutine_type); > - > +#endif > tag__init(&ftype->tag, cu, die); > INIT_LIST_HEAD(&ftype->parms); > ftype->nr_parms = 0; > -- > 2.30.0.617.g56c4b15f3c-goog > -- - Arnaldo ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] Avoid warning when building with NDEBUG 2021-02-18 19:21 ` [PATCH] Avoid warning when building with NDEBUG Arnaldo Carvalho de Melo @ 2021-02-18 19:34 ` Ian Rogers 2021-02-18 19:43 ` Arnaldo Carvalho de Melo 0 siblings, 1 reply; 3+ messages in thread From: Ian Rogers @ 2021-02-18 19:34 UTC (permalink / raw) To: Arnaldo Carvalho de Melo; +Cc: dwarves On Thu, Feb 18, 2021 at 11:21 AM Arnaldo Carvalho de Melo <acme@kernel.org> wrote: > > Em Thu, Feb 18, 2021 at 09:51:15AM -0800, Ian Rogers escreveu: > > The assert macro is compiled out with NDEBUG which can lead to an unused > > variable warning if the variable is only read in the assert. This is > > seen just here: > > > > dwarf_loader.c:957:17: error: unused variable 'tag' [-Werror,-Wunused-variable] > > const uint16_t tag = dwarf_tag(die); > > Thanks Ian, I added: > > Signed-off-by: Ian Rogers <irogers@google.com> > > And CC: dwarves@vger.kernel.org > > Please let me know if this is all ok. > > - Arnaldo That's okay by me, sorry for not posting in the right way and I'm also happy if this is just a bug report rather than a merged fix :-) Thanks! Ian > > --- > > dwarf_loader.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/dwarf_loader.c b/dwarf_loader.c > > index b73d786..22c3a55 100644 > > --- a/dwarf_loader.c > > +++ b/dwarf_loader.c > > @@ -954,9 +954,10 @@ static struct lexblock *lexblock__new(Dwarf_Die *die, struct cu *cu) > > > > static void ftype__init(struct ftype *ftype, Dwarf_Die *die, struct cu *cu) > > { > > +#ifndef NDEBUG > > const uint16_t tag = dwarf_tag(die); > > assert(tag == DW_TAG_subprogram || tag == DW_TAG_subroutine_type); > > - > > +#endif > > tag__init(&ftype->tag, cu, die); > > INIT_LIST_HEAD(&ftype->parms); > > ftype->nr_parms = 0; > > -- > > 2.30.0.617.g56c4b15f3c-goog > > > > -- > > - Arnaldo ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] Avoid warning when building with NDEBUG 2021-02-18 19:34 ` Ian Rogers @ 2021-02-18 19:43 ` Arnaldo Carvalho de Melo 0 siblings, 0 replies; 3+ messages in thread From: Arnaldo Carvalho de Melo @ 2021-02-18 19:43 UTC (permalink / raw) To: Ian Rogers; +Cc: dwarves Em Thu, Feb 18, 2021 at 11:34:31AM -0800, Ian Rogers escreveu: > On Thu, Feb 18, 2021 at 11:21 AM Arnaldo Carvalho de Melo > <acme@kernel.org> wrote: > > > > Em Thu, Feb 18, 2021 at 09:51:15AM -0800, Ian Rogers escreveu: > > > The assert macro is compiled out with NDEBUG which can lead to an unused > > > variable warning if the variable is only read in the assert. This is > > > seen just here: > > > > > > dwarf_loader.c:957:17: error: unused variable 'tag' [-Werror,-Wunused-variable] > > > const uint16_t tag = dwarf_tag(die); > > > > Thanks Ian, I added: > > > > Signed-off-by: Ian Rogers <irogers@google.com> > > > > And CC: dwarves@vger.kernel.org > > > > Please let me know if this is all ok. > > > > - Arnaldo > > That's okay by me, sorry for not posting in the right way and I'm also > happy if this is just a bug report rather than a merged fix :-) It's in my local branch now, thanks! - Arnaldo > Thanks! > Ian > > > > --- > > > dwarf_loader.c | 3 ++- > > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > > > diff --git a/dwarf_loader.c b/dwarf_loader.c > > > index b73d786..22c3a55 100644 > > > --- a/dwarf_loader.c > > > +++ b/dwarf_loader.c > > > @@ -954,9 +954,10 @@ static struct lexblock *lexblock__new(Dwarf_Die *die, struct cu *cu) > > > > > > static void ftype__init(struct ftype *ftype, Dwarf_Die *die, struct cu *cu) > > > { > > > +#ifndef NDEBUG > > > const uint16_t tag = dwarf_tag(die); > > > assert(tag == DW_TAG_subprogram || tag == DW_TAG_subroutine_type); > > > - > > > +#endif > > > tag__init(&ftype->tag, cu, die); > > > INIT_LIST_HEAD(&ftype->parms); > > > ftype->nr_parms = 0; > > > -- > > > 2.30.0.617.g56c4b15f3c-goog > > > > > > > -- > > > > - Arnaldo -- - Arnaldo ^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-02-18 19:21 ` [PATCH] Avoid warning when building with NDEBUG Arnaldo Carvalho de Melo
2021-02-18 19:34 ` Ian Rogers
2021-02-18 19:43 ` Arnaldo Carvalho de Melo
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