[PATCH 71/75] perf annotate: Introduce basic support for ARC

Arnaldo Carvalho de Melo
2018-12-06T21:32:10Z

From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>

Introduce basic 'perf annotate' support for ARC to be able to use
anotation via stdio interface.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Brodkin <alexey.brodkin@synopsys.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: linux-snps-arc@lists.infradead.org
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Vineet Gupta <vineet.gupta1@synopsys.com>
Link: http://lkml.kernel.org/r/20181204175118.25232-1-Eugeniy.Paltsev@synopsys.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/arch/arc/annotate/instructions.c | 9 +++++++++
tools/perf/arch/common.c | 11 ++++++++++-
tools/perf/util/annotate.c | 5 +++++
3 files changed, 24 insertions(+), 1 deletion(-)
create mode 100644 tools/perf/arch/arc/annotate/instructions.c

diff --git a/tools/perf/arch/arc/annotate/instructions.c b/tools/perf/arch/arc/annotate/instructions.c
new file mode 100644
index 000000000000..2f00e995c7e3
--- /dev/null
+++ b/tools/perf/arch/arc/annotate/instructions.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/compiler.h>
+
+static int arc__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+ arch->initialized = true;
+ arch->objdump.comment_char = ';';
+ return 0;
+}
diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c
index 5f69fd0b745a..f3824ca7c20b 100644
--- a/tools/perf/arch/common.c
+++ b/tools/perf/arch/common.c
@@ -5,6 +5,13 @@
#include "../util/util.h"
#include "../util/debug.h"

+const char *const arc_triplets[] = {
+ "arc-linux-",
+ "arc-snps-linux-uclibc-",
+ "arc-snps-linux-gnu-",
+ NULL
+};
+
const char *const arm_triplets[] = {
"arm-eabi-",
"arm-linux-androideabi-",
@@ -147,7 +154,9 @@ static int perf_env__lookup_binutils_path(struct perf_env *env,
zfree(&buf);
}

- if (!strcmp(arch, "arm"))
+ if (!strcmp(arch, "arc"))
+ path_list = arc_triplets;
+ else if (!strcmp(arch, "arm"))
path_list = arm_triplets;
else if (!strcmp(arch, "arm64"))
path_list = arm64_triplets;
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 51d291b0b81f..ac9805e0bc76 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -134,6 +134,7 @@ static int arch__associate_ins_ops(struct arch* arch, const char *name, struct i
return 0;
}

+#include "arch/arc/annotate/instructions.c"
#include "arch/arm/annotate/instructions.c"
#include "arch/arm64/annotate/instructions.c"
#include "arch/x86/annotate/instructions.c"
@@ -142,6 +143,10 @@ static int arch__associate_ins_ops(struct arch* arch, const char *name, struct i
#include "arch/sparc/annotate/instructions.c"

static struct arch architectures[] = {
+ {
+ .name = "arc",
+ .init = arc__annotate_init,
+ },
{
.name = "arm",
.init = arm__annotate_init,
--
2.19.2