[Dwarf-Discuss] [PATCH v2] ARC: gas: Generate offset with Default CFA
Michael Eager
eager@eagercon.com
Mon Jun 27 15:05:54 GMT 2016
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On 06/27/2016 06:41 AM, Vineet Gupta wrote:
> This makes the kernel dwarf stack unwinder work again which expects an
> offset with default CFA in the initial instructions.
>
> gas * config//tc-arc.c (tc_arc_frame_initial_instructions): Use
> cfi_add_CFA_def_cfa to generate default CFA with offset
>
> Signed-off-by: Vineet Gupta <vgupta at synopsys.com>
> ---
> gas/ChangeLog | 5 +++++
> gas/config/tc-arc.c | 2 +-
> 2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/gas/ChangeLog b/gas/ChangeLog
> index 2a28352f77a6..0033f91865e1 100644
> --- a/gas/ChangeLog
> +++ b/gas/ChangeLog
> @@ -1,3 +1,8 @@
> +2016-06-27 Vineet Gupta <vgupta at synopsys.com>
> +
> + * config//tc-arc.c (tc_arc_frame_initial_instructions): Use
> + cfi_add_CFA_def_cfa to generate default CFA with offset
> +
> 2016-06-27 Trevor Saunders <tbsaunde+binutils at tbsaunde.org>
>
> * config/tc-dlx.c: Include bfd/elf32-dlx.h.
> diff --git a/gas/config/tc-arc.c b/gas/config/tc-arc.c
> index 575582178209..f651600746de 100644
> --- a/gas/config/tc-arc.c
> +++ b/gas/config/tc-arc.c
> @@ -4160,7 +4160,7 @@ void
> tc_arc_frame_initial_instructions (void)
> {
> /* Stack pointer is register 28. */
> - cfi_add_CFA_def_cfa_register (28);
> + cfi_add_CFA_def_cfa(28, 0);
> }
>
> int
>
--
Michael Eager eager at eagercon.com
1960 Park Blvd., Palo Alto, CA 94306 650-325-8077
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