[PATCH 33/34] perf clang builtin: Define hook helpers by default

From: Wang Nan
Date: Mon Nov 14 2016 - 23:09:40 EST


Append prototypes of helpers appears in exported_funcs to default
include file.

Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxx>
Cc: He Kuang <hekuang@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Zefan Li <lizefan@xxxxxxxxxx>
Cc: pi3orama@xxxxxxx
---
tools/perf/util/c++/bpf-helper-str.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/tools/perf/util/c++/bpf-helper-str.c b/tools/perf/util/c++/bpf-helper-str.c
index 17f915c..69aca3c 100644
--- a/tools/perf/util/c++/bpf-helper-str.c
+++ b/tools/perf/util/c++/bpf-helper-str.c
@@ -10,6 +10,14 @@ const char clang_builtin_bpf_helper_str[] =
" unsigned int max_entries;\n"
"};\n"
"#define SEC(NAME) __attribute__((section(NAME), used))\n"
+"extern void test__clang_callback(int);\n"
+"extern int printf(const char *, ...);\n"
+"extern int puts(const char *);\n"
+"extern int jit_helper__map_update_elem(void *, void *, void *, void *, unsigned long);\n"
+"extern int jit_helper__map_lookup_elem(void *, void *, void *, void *);\n"
+"extern int jit_helper__map_get_next_key(void *, void *, void *, void *);\n"
+"extern int jit_helper__map_pin(void *, void *, const char *);\n"
+"extern int jit_helper__map_get(const char *);\n"
"#endif\n"
"#endif"
;
--
2.10.1