tests: add declarations for functions in gen-syscall-events-callstack.c

[lttng-tools.git] / tests / utils / testapp / gen-syscall-events-callstack / gen-syscall-events-callstack.c

diff --git a/tests/utils/testapp/gen-syscall-events-callstack/gen-syscall-events-callstack.c b/tests/utils/testapp/gen-syscall-events-callstack/gen-syscall-events-callstack.c
index 48210fab07008553775f08522d0d4b9d7f996162..5ad362f3b374caccb5b765117fedd3ff6bb1b132 100644 (file)
--- a/tests/utils/testapp/gen-syscall-events-callstack/gen-syscall-events-callstack.c
+++ b/tests/utils/testapp/gen-syscall-events-callstack/gen-syscall-events-callstack.c
@@ -34,9 +34,16 @@
  * events generated by our test process only.
  */
 
+#if defined(__clang__)
+#define nooptimization __attribute__((noinline)) __attribute__((optnone))
+#else
+#define nooptimization __attribute__((noinline)) __attribute__((optimize(0)))
+#endif
+
 volatile int val = 0;
 
-long __attribute__ ((noinline))
+long nooptimization my_gettid(void);
+long nooptimization
 my_gettid(void)
 {
     long ret;
@@ -62,20 +69,23 @@ my_gettid(void)
     return ret;
 }
 
-int __attribute__ ((noinline))
+int nooptimization fct_c(void);
+int nooptimization
 fct_c(void)
 {
        return my_gettid();
 }
 
-int __attribute__ ((noinline))
+int nooptimization fct_b(void);
+int nooptimization
 fct_b(void)
 {
        val += fct_c();
        return val;
 }
 
-int __attribute__ ((noinline))
+int nooptimization fct_a(void);
+int nooptimization
 fct_a(void)
 {
        val += fct_b();