linux-kernel - Re: [PATCH] perf: Make perf able to build with latest libbfd

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Message-ID: <20200129075829.GB1256499@krava>
Date:   Wed, 29 Jan 2020 08:58:29 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     Changbin Du <changbin.du@...il.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf: Make perf able to build with latest libbfd

On Tue, Jan 28, 2020 at 11:29:38PM +0800, Changbin Du wrote:
> libbfd has changed the bfd_section_* macros to inline functions
> bfd_section_<field> since 2019-09-18. See below two commits:
>   o http://www.sourceware.org/ml/gdb-cvs/2019-09/msg00064.html
>   o https://www.sourceware.org/ml/gdb-cvs/2019-09/msg00072.html
> 
> This fix make perf able to build with both old and new libbfd.
> 
> Signed-off-by: Changbin Du <changbin.du@...il.com>

Acked-by: Jiri Olsa <jolsa@...hat.com>

thanks,
jirka


> ---
>  tools/perf/util/srcline.c | 16 +++++++++++++++-
>  1 file changed, 15 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
> index 6ccf6f6d09df..5b7d6c16d33f 100644
> --- a/tools/perf/util/srcline.c
> +++ b/tools/perf/util/srcline.c
> @@ -193,16 +193,30 @@ static void find_address_in_section(bfd *abfd, asection *section, void *data)
>  	bfd_vma pc, vma;
>  	bfd_size_type size;
>  	struct a2l_data *a2l = data;
> +	flagword flags;
>  
>  	if (a2l->found)
>  		return;
>  
> -	if ((bfd_get_section_flags(abfd, section) & SEC_ALLOC) == 0)
> +#ifdef bfd_get_section_flags
> +	flags = bfd_get_section_flags(abfd, section);
> +#else
> +	flags = bfd_section_flags(section);
> +#endif
> +	if ((flags & SEC_ALLOC) == 0)
>  		return;
>  
>  	pc = a2l->addr;
> +#ifdef bfd_get_section_vma
>  	vma = bfd_get_section_vma(abfd, section);
> +#else
> +	vma = bfd_section_vma(section);
> +#endif
> +#ifdef bfd_get_section_size
>  	size = bfd_get_section_size(section);
> +#else
> +	size = bfd_section_size(section);
> +#endif
>  
>  	if (pc < vma || pc >= vma + size)
>  		return;
> -- 
> 2.24.0
>