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Subject[PATCH 17/23] perf: remove LIBUNWIND_SUPPORT in favor of CONFIG_LIBUNWIND
Date
Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
---
tools/perf/Makefile | 1 -
tools/perf/builtin-record.c | 11 ++++++-----
tools/perf/util/unwind.h | 5 +++--
3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index a606eb1..cc44818 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -633,7 +633,6 @@ ifdef CONFIG_LIBUNWIND
$(error No libunwind found. Please install libunwind-dev[el] >= 0.99 or disable CONFIG_LIBUNWIND)
endif

- BASIC_CFLAGS += -DLIBUNWIND_SUPPORT
EXTLIBS += $(LIBUNWIND_LIBS)
BASIC_CFLAGS := $(LIBUNWIND_CFLAGS) $(BASIC_CFLAGS)
BASIC_LDFLAGS := $(LIBUNWIND_LDFLAGS) $(BASIC_LDFLAGS)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index f1a939e..276a6e0 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -26,6 +26,7 @@
#include "util/symbol.h"
#include "util/cpumap.h"
#include "util/thread_map.h"
+#include <linux/kconfig.h>

#include <unistd.h>
#include <sched.h>
@@ -742,7 +743,7 @@ error:
return ret;
}

-#ifdef LIBUNWIND_SUPPORT
+#ifdef CONFIG_LIBUNWIND
static int get_stack_size(char *str, unsigned long *_size)
{
char *endptr;
@@ -768,7 +769,7 @@ static int get_stack_size(char *str, unsigned long *_size)
max_size, str);
return -1;
}
-#endif /* LIBUNWIND_SUPPORT */
+#endif /* CONFIG_LIBUNWIND */

int record_parse_callchain_opt(const struct option *opt,
const char *arg, int unset)
@@ -806,7 +807,7 @@ int record_parse_callchain_opt(const struct option *opt,
"needed for -g fp\n");
break;

-#ifdef LIBUNWIND_SUPPORT
+#ifdef CONFIG_LIBUNWIND
/* Dwarf style */
} else if (!strncmp(name, "dwarf", sizeof("dwarf"))) {
const unsigned long default_stack_dump_size = 8192;
@@ -826,7 +827,7 @@ int record_parse_callchain_opt(const struct option *opt,
if (!ret)
pr_debug("callchain: stack dump size %d\n",
opts->stack_dump_size);
-#endif /* LIBUNWIND_SUPPORT */
+#endif /* CONFIG_LIBUNWIND */
} else {
pr_err("callchain: Unknown -g option "
"value: %s\n", arg);
@@ -875,7 +876,7 @@ static struct perf_record record = {

#define CALLCHAIN_HELP "do call-graph (stack chain/backtrace) recording: "

-#ifdef LIBUNWIND_SUPPORT
+#ifdef CONFIG_LIBUNWIND
const char record_callchain_help[] = CALLCHAIN_HELP "[fp] dwarf";
#else
const char record_callchain_help[] = CALLCHAIN_HELP "[fp]";
diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h
index cb6bc50..9890981 100644
--- a/tools/perf/util/unwind.h
+++ b/tools/perf/util/unwind.h
@@ -4,6 +4,7 @@
#include "types.h"
#include "event.h"
#include "symbol.h"
+#include <linux/kconfig.h>

struct unwind_entry {
struct map *map;
@@ -13,7 +14,7 @@ struct unwind_entry {

typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);

-#ifdef LIBUNWIND_SUPPORT
+#ifdef CONFIG_LIBUNWIND
int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
struct machine *machine,
struct thread *thread,
@@ -31,5 +32,5 @@ unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
{
return 0;
}
-#endif /* LIBUNWIND_SUPPORT */
+#endif /* CONFIG_LIBUNWIND */
#endif /* __UNWIND_H */
--
1.7.10.1


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