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-rw-r--r--support/Depend1
-rw-r--r--support/Makefile6
-rw-r--r--support/support_test_main.c12
-rw-r--r--support/test-driver.c4
-rw-r--r--support/test-driver.h1
-rw-r--r--support/test-run-command.c22
6 files changed, 45 insertions, 1 deletions
diff --git a/support/Depend b/support/Depend
new file mode 100644
index 0000000000..7e7d5dc67c
--- /dev/null
+++ b/support/Depend
@@ -0,0 +1 @@
+elf
diff --git a/support/Makefile b/support/Makefile
index 7f03950914..984ec02dfe 100644
--- a/support/Makefile
+++ b/support/Makefile
@@ -257,10 +257,16 @@ others-noinstall += shell-container echo-container true-container
 others += $(LINKS_DSO_PROGRAM)
 others-noinstall += $(LINKS_DSO_PROGRAM)
 
+others += test-run-command
+others-static += test-run-command
+others-noinstall += test-run-command
+LDLIBS-test-run-command = $(libsupport)
+
 $(objpfx)test-container : $(libsupport)
 $(objpfx)shell-container : $(libsupport)
 $(objpfx)echo-container : $(libsupport)
 $(objpfx)true-container : $(libsupport)
+$(objpfx)test-run-command : $(libsupport) $(common-objpfx)elf/static-stubs.o
 
 tests = \
   README-testing \
diff --git a/support/support_test_main.c b/support/support_test_main.c
index 07e3cdd173..66a754b84f 100644
--- a/support/support_test_main.c
+++ b/support/support_test_main.c
@@ -228,6 +228,18 @@ run_test_function (int argc, char **argv, const struct test_config *config)
   while (wait_for_debugger)
     usleep (1000);
 
+  if (config->run_command_mode)
+    {
+      /* In run-command-mode, the child process executes the command line
+	 arguments as a new program.  */
+      char **argv_ = xmalloc (sizeof (char *) * argc);
+      memcpy (argv_, &argv[1], sizeof (char *) * (argc - 1));
+      argv_[argc - 1] = NULL;
+      execv (argv_[0], argv_);
+      printf ("error: should not return here\n");
+      exit (1);
+    }
+
   if (config->test_function != NULL)
     return config->test_function ();
   else if (config->test_function_argv != NULL)
diff --git a/support/test-driver.c b/support/test-driver.c
index b0bea46dee..1552f62c9b 100644
--- a/support/test-driver.c
+++ b/support/test-driver.c
@@ -116,7 +116,9 @@ main (int argc, char **argv)
 #if defined (TEST_FUNCTION) && defined (TEST_FUNCTON_ARGV)
 # error TEST_FUNCTION and TEST_FUNCTION_ARGV cannot be defined at the same time
 #endif
-#if defined (TEST_FUNCTION)
+#ifdef RUN_COMMAND_MODE
+  test_config.run_command_mode = 1;
+#elif defined (TEST_FUNCTION)
   test_config.test_function = TEST_FUNCTION;
 #elif defined (TEST_FUNCTION_ARGV)
   test_config.test_function_argv = TEST_FUNCTION_ARGV;
diff --git a/support/test-driver.h b/support/test-driver.h
index 8d4f38275d..b44c0ff033 100644
--- a/support/test-driver.h
+++ b/support/test-driver.h
@@ -36,6 +36,7 @@ struct test_config
   int expected_signal;   /* If non-zero, expect termination by signal.  */
   char no_mallopt;       /* Boolean flag to disable mallopt.  */
   char no_setvbuf;       /* Boolean flag to disable setvbuf.  */
+  char run_command_mode; /* Boolean flag to indicate run-command-mode.  */
   const char *optstring; /* Short command line options.  */
 };
 
diff --git a/support/test-run-command.c b/support/test-run-command.c
new file mode 100644
index 0000000000..61560d7bfb
--- /dev/null
+++ b/support/test-run-command.c
@@ -0,0 +1,22 @@
+/* Main program for test-run-command support utility.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+/* This is basically a configuration of test-driver.c into a general
+   command-line program runner.  */
+#define RUN_COMMAND_MODE
+#include <test-driver.c>