Re: [PATCH 3/4] perf annotate: configure objdump path at compile time

From: Namhyung Kim
Date: Thu Sep 20 2012 - 20:26:03 EST


Hi Irina,

On Fri, 21 Sep 2012 01:13:34 +0300, Irina Tirdea wrote:
> From: Irina Tirdea <irina.tirdea@xxxxxxxxx>
>
> The default name for objdump is "objdump". For cross-compiling the name of
> objdump will be different (e.g. arm-eabi-objdump in Android).
>
> Setting the default objdump name in the Makefile with PERF_OBJDUMP_PATH.

Not a big deal, but how about DEFAULT_OBJDUMP_PATH?


>
> Signed-off-by: Irina Tirdea <irina.tirdea@xxxxxxxxx>
> ---
> tools/perf/Makefile | 4 ++++
> tools/perf/util/annotate.c | 2 +-
> 2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/Makefile b/tools/perf/Makefile
> index 9021a1f..3d28150 100644
> --- a/tools/perf/Makefile
> +++ b/tools/perf/Makefile
> @@ -140,6 +140,7 @@ ETC_PERFCONFIG = etc/perfconfig
> endif
> lib = lib
> PERF_TMP_DIR = /tmp
> +objdump = objdump

More usual pattern would be

OBJDUMP = $(CROSS_COMPILE)objdump

? And it'd more fit to the description.

Thanks,
Namhyung


>
> export prefix bindir sharedir sysconfdir
>
> @@ -883,6 +884,9 @@ $(OUTPUT)util/exec_cmd.o: util/exec_cmd.c $(OUTPUT)PERF-CFLAGS
> '-DPREFIX="$(prefix_SQ)"' \
> $<
>
> +$(OUTPUT)util/annotate.o: util/annotate.c $(OUTPUT)PERF-CFLAGS
> + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DPERF_OBJDUMP_PATH='"$(objdump)"' $<
> +
> $(OUTPUT)util/config.o: util/config.c $(OUTPUT)PERF-CFLAGS
> $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
>
> diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
> index f0a9103..a45ac77 100644
> --- a/tools/perf/util/annotate.c
> +++ b/tools/perf/util/annotate.c
> @@ -824,7 +824,7 @@ fallback:
> "%s %s%s --start-address=0x%016" PRIx64
> " --stop-address=0x%016" PRIx64
> " -d %s %s -C %s|grep -v %s|expand",
> - objdump_path ? objdump_path : "objdump",
> + objdump_path ? objdump_path : PERF_OBJDUMP_PATH,
> disassembler_style ? "-M " : "",
> disassembler_style ? disassembler_style : "",
> map__rip_2objdump(map, sym->start),
--
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