[review] Add gdb_caching_proc support_nested_function_tests to lib/gdb.exp

["Kevin Buettner (Code Review)" <gerrit at gnutoolchain-gerrit dot osci dot io>]

Change URL: https://gnutoolchain-gerrit.osci.io/r/c/binutils-gdb/+/604
......................................................................

Add gdb_caching_proc support_nested_function_tests to lib/gdb.exp

This commit adds the gdb_caching_proc, support_nested_function_tests,
to lib/gdb.exp.  It tests to see whether or not the C compiler has
support for nested function calls.

gdb/testsuite/ChangeLog:

	* lib/gdb.exp (support_nested_function_tests): New proc.

Change-Id: Ic2c93bc4cc200e07e104a2398f89a9c0514bdc75
---
M gdb/testsuite/lib/gdb.exp
1 file changed, 15 insertions(+), 0 deletions(-)



diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index 1731a3e..31205c8 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -6385,6 +6385,21 @@
     return $supports_schedule_locking
 }
 
+# Return 1 if compiler supports use of nested functions.  Otherwise,
+# return 0.
+
+gdb_caching_proc support_nested_function_tests {
+    # Compile a test program containing a nested function
+    return [gdb_can_simple_compile nested_func {
+	int main () {
+	    int foo () {
+	        return 0;
+	    }
+	    return foo ();
+	}
+    } executable]
+}
+
 # gdb_target_symbol returns the provided symbol with the correct prefix
 # prepended.  (See gdb_target_symbol_prefix, above.)
 

-- 
Gerrit-Project: binutils-gdb
Gerrit-Branch: master
Gerrit-Change-Id: Ic2c93bc4cc200e07e104a2398f89a9c0514bdc75
Gerrit-Change-Number: 604
Gerrit-PatchSet: 1
Gerrit-Owner: Kevin Buettner <kevinb@redhat.com>
Gerrit-MessageType: newchange