[dpdk-dev] 5/6] eal/arm64: support register dump for oops
David Christensen
drc at linux.vnet.ibm.com
Tue Aug 3 00:49:49 CEST 2021
On 7/30/21 1:49 AM, jerinj at marvell.com wrote:
> From: Jerin Jacob <jerinj at marvell.com>
>
> Dump the arm64 arch state register in oops
> handling routine.
>
> Signed-off-by: Jerin Jacob <jerinj at marvell.com>
> ---
> lib/eal/unix/eal_oops.c | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/lib/eal/unix/eal_oops.c b/lib/eal/unix/eal_oops.c
> index da71481ade..7469610d96 100644
> --- a/lib/eal/unix/eal_oops.c
> +++ b/lib/eal/unix/eal_oops.c
> @@ -162,6 +162,25 @@ archinfo_dump(ucontext_t *uc)
> stack_code_dump((void *)mc->gregs[REG_RSP], (void *)mc->gregs[REG_RIP]);
> }
>
> +#elif defined(RTE_ARCH_ARM64) && defined(RTE_EXEC_ENV_LINUX)
> +
> +static void
> +archinfo_dump(ucontext_t *uc)
> +{
> + mcontext_t *mc = &uc->uc_mcontext;
> + int i;
> +
> + oops_print("PC : 0x%.16llx", mc->pc);
> + oops_print("SP : 0x%.16llx\n", mc->sp);
> + for (i = 0; i < 31; i++)
~~~
Maybe <= instead of < ?? 31 is a strange number of registers and the
line feed doesn't seem to line things up for PSTATEn below.
> + oops_print("X%.2d: 0x%.16llx%s", i, mc->regs[i],
> + i & 0x1 ? "\n" : " ");
Dave
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