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perf unwind: Separate local/remote libunwind config 

CONFIG_LIBUNWIND/NO_LIBUNWIND are changed to CONFIG_LOCAL_LIBUNWIND/
NO_LOCAL_LIBUNWIND for retaining local unwind features. The new
CONFIG_LIBUNWIND stands for either local or remote or both unwind are
supported, and NO_LIBUNWIND means that neither local nor remote unwind
is supported.

LIBUNWIND_LIBS is eliminated in LDFLAGS if local libunwind is not
supported.

Signed-off-by: He Kuang <hekuang@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ekaterina Tumanova <tumanova@linux.vnet.ibm.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1464924803-22214-7-git-send-email-hekuang@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
He Kuang 2016-06-03 03:33:15 +00:00 committed by Arnaldo Carvalho de Melo
parent 403cacb8a2
commit 9d8e14d306
4 changed files with 20 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/perf/arch/arm/util/Build
View File

@ -1,4 +1,4 @@
libperf-$(CONFIG_DWARF) += dwarf-regs.o
libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o

2
tools/perf/arch/arm64/util/Build
View File

@ -1,2 +1,2 @@
libperf-$(CONFIG_DWARF) += dwarf-regs.o
libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o

2
tools/perf/arch/x86/util/Build
View File

@ -8,7 +8,7 @@ libperf-y += group.o
libperf-$(CONFIG_DWARF) += dwarf-regs.o
libperf-$(CONFIG_BPF_PROLOGUE) += dwarf-regs.o
libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
libperf-$(CONFIG_AUXTRACE) += auxtrace.o

20
tools/perf/config/Makefile
View File

@ -353,10 +353,20 @@ ifeq ($(ARCH),powerpc)
endif
ifndef NO_LIBUNWIND
have_libunwind :=
ifneq ($(feature-libunwind), 1)
msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
NO_LOCAL_LIBUNWIND := 1
else
have_libunwind := 1
$(call detected,CONFIG_LOCAL_LIBUNWIND)
endif
ifneq ($(have_libunwind), 1)
NO_LIBUNWIND := 1
endif
else
NO_LOCAL_LIBUNWIND := 1
endif
ifndef NO_LIBBPF
@ -394,7 +404,7 @@ else
NO_DWARF_UNWIND := 1
endif
ifndef NO_LIBUNWIND
ifndef NO_LOCAL_LIBUNWIND
ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
$(call feature_check,libunwind-debug-frame)
ifneq ($(feature-libunwind-debug-frame), 1)
@ -405,10 +415,14 @@ ifndef NO_LIBUNWIND
# non-ARM has no dwarf_find_debug_frame() function:
CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
endif
CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
EXTLIBS += $(LIBUNWIND_LIBS)
LDFLAGS += $(LIBUNWIND_LIBS)
endif
ifndef NO_LIBUNWIND
CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
CFLAGS += $(LIBUNWIND_CFLAGS)
LDFLAGS += $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
LDFLAGS += $(LIBUNWIND_LDFLAGS)
endif
ifndef NO_LIBAUDIT