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Date: Mon, 1 Apr 2013 21:54:24 -0600
From: David Ahern <dsahern@...il.com>
To: acme@...stprotocols.net, linux-kernel@...r.kernel.org
Cc: David Ahern <dsahern@...il.com>, Borislav Petkov <bp@...en8.de>,
Frederic Weisbecker <fweisbec@...il.com>,
Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 10/23] perf: make demangle support based on CONFIG_DEMANGLE
Signed-off-by: David Ahern <dsahern@...il.com>
Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Stephane Eranian <eranian@...gle.com>
---
tools/perf/Makefile | 70 ++++++++++++++++++++++------------------------
tools/perf/Pconfig | 4 +++
tools/perf/util/symbol.h | 3 +-
3 files changed, 39 insertions(+), 38 deletions(-)
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 5c060c8..65283e6 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -34,8 +34,6 @@ include config/utilities.mak
#
# Define WERROR=0 to disable treating any warnings as errors.
#
-# Define NO_DEMANGLE if you do not want C++ symbol demangling.
-#
# Define NO_BACKTRACE if you do not want stack backtrace debug feature
#
# Define NO_LIBNUMA if you do not want numa perf benchmark
@@ -571,7 +569,9 @@ ifdef CONFIG_LIBELF
endif
else
NO_DWARF := 1
- NO_DEMANGLE := 1
+ ifdef CONFIG_DEMANGLE
+ $(error CONFIG_DEMANGLE depends on LIBELF)
+ endif
ifdef CONFIG_LIBUNWIND
$(error CONFIG_LIBUNWIND depends on LIBELF)
endif
@@ -775,41 +775,37 @@ ifdef CONFIG_LIBPYTHON
LANG_BINDINGS += $(OUTPUT)python/perf.so
endif
-ifdef NO_DEMANGLE
- BASIC_CFLAGS += -DNO_DEMANGLE
-else
- ifdef HAVE_CPLUS_DEMANGLE
- EXTLIBS += -liberty
- BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
+ifdef CONFIG_DEMANGLE
+ ifdef HAVE_CPLUS_DEMANGLE
+ EXTLIBS += -liberty
+ BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
+ else
+ FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
+ has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD),libbfd)
+ ifeq ($(has_bfd),y)
+ EXTLIBS += -lbfd
else
- FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
- has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD),libbfd)
- ifeq ($(has_bfd),y)
- EXTLIBS += -lbfd
- else
- FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
- has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty)
- ifeq ($(has_bfd_iberty),y)
- EXTLIBS += -lbfd -liberty
- else
- FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
- has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz)
- ifeq ($(has_bfd_iberty_z),y)
- EXTLIBS += -lbfd -liberty -lz
- else
- FLAGS_CPLUS_DEMANGLE=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -liberty
- has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
- ifeq ($(has_cplus_demangle),y)
- EXTLIBS += -liberty
- BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
- else
- msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
- BASIC_CFLAGS += -DNO_DEMANGLE
- endif
- endif
- endif
- endif
- endif
+ FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
+ has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty)
+ ifeq ($(has_bfd_iberty),y)
+ EXTLIBS += -lbfd -liberty
+ else
+ FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
+ has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz)
+ ifeq ($(has_bfd_iberty_z),y)
+ EXTLIBS += -lbfd -liberty -lz
+ else
+ FLAGS_CPLUS_DEMANGLE=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -liberty
+ has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
+ ifeq ($(has_cplus_demangle),y)
+ EXTLIBS += -liberty
+ BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
+ endif
+ $(error No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling or unset CONFIG_DEMANGLE)
+ endif
+ endif
+ endif
+ endif
endif
ifeq ($(NO_PERF_REGS),0)
diff --git a/tools/perf/Pconfig b/tools/perf/Pconfig
index d6e067e..dc0fc36 100644
--- a/tools/perf/Pconfig
+++ b/tools/perf/Pconfig
@@ -26,6 +26,10 @@ config LIBUNWIND
bool "Enable support for libunwind"
depends on HAVE_CFI_UNWIND_SUPPORT && LIBELF
+ config DEMANGLE
+ bool "Enable support for demangle"
+ depends on LIBELF
+
config LIBPERL
bool "Enable support for perl scripting engine"
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index b62ca37..cd284dc 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -12,6 +12,7 @@
#include <byteswap.h>
#include <libgen.h>
#include "build-id.h"
+#include <linux/kconfig.h>
#ifdef LIBELF_SUPPORT
#include <libelf.h>
@@ -29,7 +30,7 @@ static inline char *bfd_demangle(void __maybe_unused *v, const char *c, int i)
return cplus_demangle(c, i);
}
#else
-#ifdef NO_DEMANGLE
+#ifndef CONFIG_DEMANGLE
static inline char *bfd_demangle(void __maybe_unused *v,
const char __maybe_unused *c,
int __maybe_unused i)
--
1.7.10.1
--
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