gdb/testsuite: Explicitly return from main

[binutils-gdb.git] / gdb / testsuite / gdb.base / scope0.c

diff --git a/gdb/testsuite/gdb.base/scope0.c b/gdb/testsuite/gdb.base/scope0.c
index ad994fc0b21e2152c8c2cdd7eb6663cb44d89526..3aad48de2d7eb64fd2f6b921a53785a98850431c 100644 (file)
--- a/gdb/testsuite/gdb.base/scope0.c
+++ b/gdb/testsuite/gdb.base/scope0.c
@@ -11,6 +11,7 @@ extern void foo();
 int autovars (int bcd, int abc);
 int localscopes (int x);
 int useit (int val);
+int useitp (const int *val);
 void init0();
 void marker1 ();
 void marker2 ();
@@ -19,23 +20,22 @@ void marker4 ();
 
 int main ()
 {
-#ifdef usestubs
-  set_debug_traps();
-  breakpoint();
-#endif
   init0 ();
   foo ();
   autovars (5, 6);
   localscopes (0);
+
+  return 0;
 }
 
 /* On some systems, such as AIX, unreferenced variables are deleted
-   from the executable.  */
+   from the executable.  On other compilers, such as ARM RealView,
+   const variables without their address taken are deleted.  */
 void usestatics ()
 {
-  useit (filelocal);
-  useit (filelocal_bss);
-  useit (filelocal_ro);
+  useitp (&filelocal);
+  useitp (&filelocal_bss);
+  useitp (&filelocal_ro);
 }
 
 void init0 ()
@@ -46,14 +46,8 @@ void init0 ()
 
 /* This is to derail optimizer in localscopes.
    Return 1 + 2 + . . . + N.  */
-#ifdef PROTOTYPES
 int
 sum_upto (int n)
-#else
-int
-sum_upto (n)
-     int n;
-#endif
 {
   int i;
   int retval = 0;
@@ -63,13 +57,8 @@ sum_upto (n)
   return retval;
 }
 
-#ifdef PROTOTYPES
 int
 useit (int val)
-#else
-int
-useit (val)
-#endif
 {
     static int usedval;
 
@@ -77,15 +66,17 @@ useit (val)
     return val + sum_upto (0);
 }
 
-#ifdef PROTOTYPES
 int
-autovars (int bcd, int abc)
-#else
+useitp (const int *val)
+{
+    static int usedval;
+
+    usedval = *val;
+    return *val + sum_upto (0);
+}
+
 int
-autovars (bcd, abc)
-     int bcd;
-     int abc;
-#endif
+autovars (int bcd, int abc)
 {
     int  i0 =  useit (0),  i1 =  useit (1),  i2 =  useit (2);
     int  i3 =  useit (3),  i4 =  useit (4),  i5 =  useit (5);
@@ -160,14 +151,8 @@ autovars (bcd, abc)
       + i91 + i92 + i93 + i94 + i95 + i96 + i97 + i98 + i99 + abc + bcd;
 }
 
-#ifdef PROTOTYPES
 int
 localscopes (int x)
-#else
-int
-localscopes (x)
-     int x;
-#endif
 {
     int localval;
     int retval;