Messages in this thread | | | Date | Thu, 13 Feb 2014 18:01:35 +0100 | Subject | Re: [PATCH] perf: ARM64: wire up perf_regs and unwind support | From | Jean Pihet <> |
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Hi Jiri,
On 12 February 2014 14:09, Jiri Olsa <jolsa@redhat.com> wrote: > 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.pihet@linaro.org> >> Acked-by: Will Deacon <will.deacon@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 That is correct, the patch is for mainline. Re-sending a rebased version on acme/perf/core in a bit.
> jirka
Thanks, Jean
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