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SubjectRe: [PATCH 1/5] perf: unwind: fix unw_word_t pointer casts
Hi Arnaldo,

Do you have any comments on this patch set?

Thanks.

On Sun, Sep 27, 2015 at 08:37:55PM +0200, Rabin Vincent wrote:
> unw_word_t is uint64_t even on 32-bit MIPS. Cast it to uintptr_t before
> the cast to void *p to get rid of the following errors:
>
> util/unwind-libunwind.c: In function 'access_mem':
> util/unwind-libunwind.c:464:4: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
> util/unwind-libunwind.c:475:2: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
> cc1: all warnings being treated as errors
> make[3]: *** [util/unwind-libunwind.o] Error 1
>
> Signed-off-by: Rabin Vincent <rabin.vincent@axis.com>
> ---
> tools/perf/util/unwind-libunwind.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
> index 4c00507..ef799dc 100644
> --- a/tools/perf/util/unwind-libunwind.c
> +++ b/tools/perf/util/unwind-libunwind.c
> @@ -461,7 +461,7 @@ static int access_mem(unw_addr_space_t __maybe_unused as,
> if (ret) {
> pr_debug("unwind: access_mem %p not inside range"
> " 0x%" PRIx64 "-0x%" PRIx64 "\n",
> - (void *) addr, start, end);
> + (void *) (uintptr_t) addr, start, end);
> *valp = 0;
> return ret;
> }
> @@ -471,7 +471,7 @@ static int access_mem(unw_addr_space_t __maybe_unused as,
> offset = addr - start;
> *valp = *(unw_word_t *)&stack->data[offset];
> pr_debug("unwind: access_mem addr %p val %lx, offset %d\n",
> - (void *) addr, (unsigned long)*valp, offset);
> + (void *) (uintptr_t) addr, (unsigned long)*valp, offset);
> return 0;
> }
>
> --
> 1.7.10.4
>
> --
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