+2008-06-09 Ian Lance Taylor <iant@google.com>
+
+ * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
+ <exception>.
+ (throwing, orig_terminate): New static variables.
+ (terminate_handler): New static function.
+ (t2): Set terminate handler.
+
2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
PR 6584
#include <cassert>
#include <csignal>
+#include <cstdio>
+#include <cstdlib>
+#include <exception>
#include <stdint.h>
#include <unistd.h>
return true;
}
+// Tell terminate handler that we are throwing from a signal handler.
+
+static bool throwing;
+
// A signal handler for SIGSEGV.
extern "C"
void
sigsegv_handler(int)
{
+ throwing = true;
throw 0;
}
+// The original terminate handler.
+
+std::terminate_handler orig_terminate;
+
+// Throwing an exception out of a signal handler doesn't always work
+// reliably. When that happens the program will call terminate. We
+// set a terminate handler to indicate that the test probably passed.
+
+void
+terminate_handler()
+{
+ if (!throwing)
+ {
+ orig_terminate();
+ ::exit(EXIT_FAILURE);
+ }
+ fprintf(stderr,
+ "relro_test: terminate called due to failure to throw through signal handler\n");
+ fprintf(stderr, "relro_test: assuming test succeeded\n");
+ ::exit(EXIT_SUCCESS);
+}
+
// Use a separate function to throw the exception, so that we don't
// need to use -fnon-call-exceptions.
t2()
{
signal(SIGSEGV, sigsegv_handler);
+ orig_terminate = std::set_terminate(terminate_handler);
try
{