On Mon, Feb 03, 2014 at 07:17:07PM +0100, Jean Pihet wrote:
> This patch hooks in the perf_regs and libunwind code for ARM64.
> The tools/perf/arch/arm64 is created; it contains the arch specific
> code for DWARF unwinding.
>
> Signed-off-by: Jean Pihet <jean.pi...@linaro.org>
> Acked-by: Will Deacon <will.dea...@arm.com>
SNIP
> + */
> +const char *get_arch_regstr(unsigned int n)
> +{
> + const struct pt_regs_dwarfnum *roff;
> + for (roff = regdwarfnum_table; roff->name != NULL; roff++)
> + if (roff->dwarfnum == n)
> + return roff->name;
> + return NULL;
> +}
> diff --git a/tools/perf/arch/arm64/util/unwind.c
> b/tools/perf/arch/arm64/util/unwind.c
> new file mode 100644
> index 0000000..8d37a4c
> --- /dev/null
> +++ b/tools/perf/arch/arm64/util/unwind.c
> @@ -0,0 +1,82 @@
> +
> +#include <errno.h>
> +#include <libunwind.h>
> +#include "perf_regs.h"
> +#include "../../util/unwind.h"
> +
> +int unwind__arch_reg_id(int regnum)
I think this ^^^ wouldn't compile over acme/perf/core, bacause of
the recent code changes for the libdw unwind:
1d86598 perf callchain: Rename unwind__arch_reg_id into libunwind__arch_reg_id
jirka
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