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[PATCH 3/8] perf build: Add build-test for libunwind cross-platforms support

From He Kuang <hekuang@huawei.com>
Newsgroups linux.kernel
Subject [PATCH 3/8] perf build: Add build-test for libunwind cross-platforms support
Date 2016-05-06 11:10 +0200
Message-ID <rvJVM-2eU-15@gated-at.bofh.it> (permalink)
References <rvJVM-2eU-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Currently only test for local libunwind. We should check all supported
platforms so we can use them to parse perf.data with callchain info on
different machines.

Signed-off-by: He Kuang <hekuang@huawei.com>
---
 tools/build/Makefile.feature                 |  8 ++++++++
 tools/build/feature/Makefile                 | 16 ++++++++++++++++
 tools/build/feature/test-libunwind-aarch64.c | 26 ++++++++++++++++++++++++++
 tools/build/feature/test-libunwind-arm.c     | 27 +++++++++++++++++++++++++++
 tools/build/feature/test-libunwind-x86.c     | 27 +++++++++++++++++++++++++++
 tools/build/feature/test-libunwind-x86_64.c  | 27 +++++++++++++++++++++++++++
 6 files changed, 131 insertions(+)
 create mode 100644 tools/build/feature/test-libunwind-aarch64.c
 create mode 100644 tools/build/feature/test-libunwind-arm.c
 create mode 100644 tools/build/feature/test-libunwind-x86.c
 create mode 100644 tools/build/feature/test-libunwind-x86_64.c

diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 9f87861..139e99c 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -49,6 +49,10 @@ FEATURE_TESTS_BASIC :=			\
 	libslang			\
 	libcrypto			\
 	libunwind			\
+	libunwind-x86			\
+	libunwind-x86_64		\
+	libunwind-arm			\
+	libunwind-aarch64		\
 	pthread-attr-setaffinity-np	\
 	stackprotector-all		\
 	timerfd				\
@@ -92,6 +96,10 @@ FEATURE_DISPLAY ?=			\
 	libslang			\
 	libcrypto			\
 	libunwind			\
+	libunwind-x86			\
+	libunwind-x86_64		\
+	libunwind-arm			\
+	libunwind-aarch64		\
 	libdw-dwarf-unwind		\
 	zlib				\
 	lzma				\
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 4ae94db..f4fe3bc 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -27,6 +27,10 @@ FILES=					\
 	test-libcrypto.bin		\
 	test-libunwind.bin		\
 	test-libunwind-debug-frame.bin	\
+	test-libunwind-x86.bin		\
+	test-libunwind-x86_64.bin	\
+	test-libunwind-arm.bin		\
+	test-libunwind-aarch64.bin	\
 	test-pthread-attr-setaffinity-np.bin	\
 	test-stackprotector-all.bin	\
 	test-timerfd.bin		\
@@ -103,6 +107,18 @@ $(OUTPUT)test-libunwind.bin:
 
 $(OUTPUT)test-libunwind-debug-frame.bin:
 	$(BUILD) -lelf
+$(OUTPUT)test-libunwind-x86.bin:
+	$(BUILD) -lelf -lunwind-x86
+
+$(OUTPUT)test-libunwind-x86_64.bin:
+	$(BUILD) -lelf -lunwind-x86_64
+
+$(OUTPUT)test-libunwind-arm.bin:
+	$(BUILD) -lelf -lunwind-arm
+
+$(OUTPUT)test-libunwind-aarch64.bin:
+	$(BUILD) -lelf -lunwind-aarch64
+
 
 $(OUTPUT)test-libaudit.bin:
 	$(BUILD) -laudit
diff --git a/tools/build/feature/test-libunwind-aarch64.c b/tools/build/feature/test-libunwind-aarch64.c
new file mode 100644
index 0000000..fc03fb6
--- /dev/null
+++ b/tools/build/feature/test-libunwind-aarch64.c
@@ -0,0 +1,26 @@
+#include <libunwind-aarch64.h>
+#include <stdlib.h>
+
+extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as,
+					       unw_word_t ip,
+					       unw_dyn_info_t *di,
+					       unw_proc_info_t *pi,
+					       int need_unwind_info, void *arg);
+
+#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table)
+
+static unw_accessors_t accessors;
+
+int main(void)
+{
+	unw_addr_space_t addr_space;
+
+	addr_space = unw_create_addr_space(&accessors, 0);
+	if (addr_space)
+		return 0;
+
+	unw_init_remote(NULL, addr_space, NULL);
+	dwarf_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL);
+
+	return 0;
+}
diff --git a/tools/build/feature/test-libunwind-arm.c b/tools/build/feature/test-libunwind-arm.c
new file mode 100644
index 0000000..632d95e
--- /dev/null
+++ b/tools/build/feature/test-libunwind-arm.c
@@ -0,0 +1,27 @@
+#include <libunwind-arm.h>
+#include <stdlib.h>
+
+extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as,
+					       unw_word_t ip,
+					       unw_dyn_info_t *di,
+					       unw_proc_info_t *pi,
+					       int need_unwind_info, void *arg);
+
+
+#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table)
+
+static unw_accessors_t accessors;
+
+int main(void)
+{
+	unw_addr_space_t addr_space;
+
+	addr_space = unw_create_addr_space(&accessors, 0);
+	if (addr_space)
+		return 0;
+
+	unw_init_remote(NULL, addr_space, NULL);
+	dwarf_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL);
+
+	return 0;
+}
diff --git a/tools/build/feature/test-libunwind-x86.c b/tools/build/feature/test-libunwind-x86.c
new file mode 100644
index 0000000..3561edc
--- /dev/null
+++ b/tools/build/feature/test-libunwind-x86.c
@@ -0,0 +1,27 @@
+#include <libunwind-x86.h>
+#include <stdlib.h>
+
+extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as,
+					       unw_word_t ip,
+					       unw_dyn_info_t *di,
+					       unw_proc_info_t *pi,
+					       int need_unwind_info, void *arg);
+
+
+#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table)
+
+static unw_accessors_t accessors;
+
+int main(void)
+{
+	unw_addr_space_t addr_space;
+
+	addr_space = unw_create_addr_space(&accessors, 0);
+	if (addr_space)
+		return 0;
+
+	unw_init_remote(NULL, addr_space, NULL);
+	dwarf_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL);
+
+	return 0;
+}
diff --git a/tools/build/feature/test-libunwind-x86_64.c b/tools/build/feature/test-libunwind-x86_64.c
new file mode 100644
index 0000000..5add251
--- /dev/null
+++ b/tools/build/feature/test-libunwind-x86_64.c
@@ -0,0 +1,27 @@
+#include <libunwind-x86_64.h>
+#include <stdlib.h>
+
+extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as,
+					       unw_word_t ip,
+					       unw_dyn_info_t *di,
+					       unw_proc_info_t *pi,
+					       int need_unwind_info, void *arg);
+
+
+#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table)
+
+static unw_accessors_t accessors;
+
+int main(void)
+{
+	unw_addr_space_t addr_space;
+
+	addr_space = unw_create_addr_space(&accessors, 0);
+	if (addr_space)
+		return 0;
+
+	unw_init_remote(NULL, addr_space, NULL);
+	dwarf_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL);
+
+	return 0;
+}
-- 
1.8.5.2

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[PATCH 3/8] perf build: Add build-test for libunwind cross-platforms support He Kuang <hekuang@huawei.com> - 2016-05-06 11:10 +0200
  Re: [PATCH 3/8] perf build: Add build-test for libunwind  cross-platforms support Jiri Olsa <jolsa@redhat.com> - 2016-05-07 20:30 +0200

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