Libunwind support has been removed from perf, so the feature tests
used to detect its presence are no longer needed. Remove the
test-libunwind-*.c files and their references in the feature Makefile.

Signed-off-by: Ian Rogers <[email protected]>
---
 tools/build/feature/Makefile                  | 31 -------------------
 tools/build/feature/test-libunwind-aarch64.c  | 27 ----------------
 tools/build/feature/test-libunwind-arm.c      | 28 -----------------
 .../test-libunwind-debug-frame-aarch64.c      | 17 ----------
 .../feature/test-libunwind-debug-frame-arm.c  | 17 ----------
 .../feature/test-libunwind-debug-frame.c      | 17 ----------
 tools/build/feature/test-libunwind-x86.c      | 28 -----------------
 tools/build/feature/test-libunwind-x86_64.c   | 28 -----------------
 tools/build/feature/test-libunwind.c          | 28 -----------------
 9 files changed, 221 deletions(-)
 delete mode 100644 tools/build/feature/test-libunwind-aarch64.c
 delete mode 100644 tools/build/feature/test-libunwind-arm.c
 delete mode 100644 tools/build/feature/test-libunwind-debug-frame-aarch64.c
 delete mode 100644 tools/build/feature/test-libunwind-debug-frame-arm.c
 delete mode 100644 tools/build/feature/test-libunwind-debug-frame.c
 delete mode 100644 tools/build/feature/test-libunwind-x86.c
 delete mode 100644 tools/build/feature/test-libunwind-x86_64.c
 delete mode 100644 tools/build/feature/test-libunwind.c

diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 1fbcb3ce74d2..37b972526987 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -36,14 +36,6 @@ FILES=                                          \
          test-libtraceevent.bin                 \
          test-libcpupower.bin                   \
          test-libtracefs.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-libunwind-debug-frame-arm.bin     \
-         test-libunwind-debug-frame-aarch64.bin \
          test-pthread-attr-setaffinity-np.bin   \
          test-pthread-barrier.bin              \
          test-stackprotector-all.bin            \
@@ -203,29 +195,6 @@ $(OUTPUT)test-libnuma.bin:
 $(OUTPUT)test-numa_num_possible_cpus.bin:
        $(BUILD) -lnuma
 
-$(OUTPUT)test-libunwind.bin:
-       $(BUILD) -lelf -llzma
-
-$(OUTPUT)test-libunwind-debug-frame.bin:
-       $(BUILD) -lelf -llzma
-$(OUTPUT)test-libunwind-x86.bin:
-       $(BUILD) -lelf -llzma -lunwind-x86
-
-$(OUTPUT)test-libunwind-x86_64.bin:
-       $(BUILD) -lelf -llzma -lunwind-x86_64
-
-$(OUTPUT)test-libunwind-arm.bin:
-       $(BUILD) -lelf -llzma -lunwind-arm
-
-$(OUTPUT)test-libunwind-aarch64.bin:
-       $(BUILD) -lelf -llzma -lunwind-aarch64
-
-$(OUTPUT)test-libunwind-debug-frame-arm.bin:
-       $(BUILD) -lelf -llzma -lunwind-arm
-
-$(OUTPUT)test-libunwind-debug-frame-aarch64.bin:
-       $(BUILD) -lelf -llzma -lunwind-aarch64
-
 $(OUTPUT)test-libslang.bin:
        $(BUILD) -lslang
 
diff --git a/tools/build/feature/test-libunwind-aarch64.c 
b/tools/build/feature/test-libunwind-aarch64.c
deleted file mode 100644
index 323803f49212..000000000000
--- a/tools/build/feature/test-libunwind-aarch64.c
+++ /dev/null
@@ -1,27 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#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
deleted file mode 100644
index cb378b7d6866..000000000000
--- a/tools/build/feature/test-libunwind-arm.c
+++ /dev/null
@@ -1,28 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#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-debug-frame-aarch64.c 
b/tools/build/feature/test-libunwind-debug-frame-aarch64.c
deleted file mode 100644
index 36d6646c185e..000000000000
--- a/tools/build/feature/test-libunwind-debug-frame-aarch64.c
+++ /dev/null
@@ -1,17 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <libunwind-aarch64.h>
-#include <stdlib.h>
-
-extern int
-UNW_OBJ(dwarf_find_debug_frame) (int found, unw_dyn_info_t *di_debug,
-                                unw_word_t ip, unw_word_t segbase,
-                                const char *obj_name, unw_word_t start,
-                                unw_word_t end);
-
-#define dwarf_find_debug_frame UNW_OBJ(dwarf_find_debug_frame)
-
-int main(void)
-{
-       dwarf_find_debug_frame(0, NULL, 0, 0, NULL, 0, 0);
-       return 0;
-}
diff --git a/tools/build/feature/test-libunwind-debug-frame-arm.c 
b/tools/build/feature/test-libunwind-debug-frame-arm.c
deleted file mode 100644
index 8696e48e1268..000000000000
--- a/tools/build/feature/test-libunwind-debug-frame-arm.c
+++ /dev/null
@@ -1,17 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <libunwind-arm.h>
-#include <stdlib.h>
-
-extern int
-UNW_OBJ(dwarf_find_debug_frame) (int found, unw_dyn_info_t *di_debug,
-                                unw_word_t ip, unw_word_t segbase,
-                                const char *obj_name, unw_word_t start,
-                                unw_word_t end);
-
-#define dwarf_find_debug_frame UNW_OBJ(dwarf_find_debug_frame)
-
-int main(void)
-{
-       dwarf_find_debug_frame(0, NULL, 0, 0, NULL, 0, 0);
-       return 0;
-}
diff --git a/tools/build/feature/test-libunwind-debug-frame.c 
b/tools/build/feature/test-libunwind-debug-frame.c
deleted file mode 100644
index efb55cdd8d01..000000000000
--- a/tools/build/feature/test-libunwind-debug-frame.c
+++ /dev/null
@@ -1,17 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <libunwind.h>
-#include <stdlib.h>
-
-extern int
-UNW_OBJ(dwarf_find_debug_frame) (int found, unw_dyn_info_t *di_debug,
-                                unw_word_t ip, unw_word_t segbase,
-                                const char *obj_name, unw_word_t start,
-                                unw_word_t end);
-
-#define dwarf_find_debug_frame UNW_OBJ(dwarf_find_debug_frame)
-
-int main(void)
-{
-       dwarf_find_debug_frame(0, NULL, 0, 0, NULL, 0, 0);
-       return 0;
-}
diff --git a/tools/build/feature/test-libunwind-x86.c 
b/tools/build/feature/test-libunwind-x86.c
deleted file mode 100644
index e5e0f6c89637..000000000000
--- a/tools/build/feature/test-libunwind-x86.c
+++ /dev/null
@@ -1,28 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#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
deleted file mode 100644
index 62ae4db597dc..000000000000
--- a/tools/build/feature/test-libunwind-x86_64.c
+++ /dev/null
@@ -1,28 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#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;
-}
diff --git a/tools/build/feature/test-libunwind.c 
b/tools/build/feature/test-libunwind.c
deleted file mode 100644
index 53fd26614ff0..000000000000
--- a/tools/build/feature/test-libunwind.c
+++ /dev/null
@@ -1,28 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <libunwind.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;
-}
-- 
2.53.0.959.g497ff81fa9-goog


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