diff --git a/gdb/aarch64-tdep.c b/gdb/aarch64-tdep.c
index 7816281..5a627a3 100644
--- a/gdb/aarch64-tdep.c
+++ b/gdb/aarch64-tdep.c
@@ -3068,8 +3068,8 @@ When on, AArch64 specific debugging is enabled."),
 			    &setdebuglist, &showdebuglist);
 
 #if GDB_SELF_TEST
-  register_self_test (selftests::aarch64_analyze_prologue_test);
-  register_self_test (selftests::aarch64_process_record_test);
+  selftests::register_test (selftests::aarch64_analyze_prologue_test);
+  selftests::register_test (selftests::aarch64_process_record_test);
 #endif
 }
 
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index 9943324..a107584 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -9719,7 +9719,7 @@ vfp - VFP co-processor."),
 			   &setdebuglist, &showdebuglist);
 
 #if GDB_SELF_TEST
-  register_self_test (selftests::arm_record_test);
+  selftests::register_test (selftests::arm_record_test);
 #endif
 
 }
diff --git a/gdb/disasm-selftests.c b/gdb/disasm-selftests.c
index 9eb80b4..4d38ccf 100644
--- a/gdb/disasm-selftests.c
+++ b/gdb/disasm-selftests.c
@@ -214,7 +214,7 @@ void
 _initialize_disasm_selftests (void)
 {
 #if GDB_SELF_TEST
-  register_self_test_foreach_arch (selftests::print_one_insn_test);
-  register_self_test_foreach_arch (selftests::memory_error_test);
+  selftests::register_test_foreach_arch (selftests::print_one_insn_test);
+  selftests::register_test_foreach_arch (selftests::memory_error_test);
 #endif
 }
diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c
index f8e6522..aaf3aee 100644
--- a/gdb/dwarf2-frame.c
+++ b/gdb/dwarf2-frame.c
@@ -2406,6 +2406,6 @@ _initialize_dwarf2_frame (void)
   dwarf2_frame_objfile_data = register_objfile_data ();
 
 #if GDB_SELF_TEST
-  register_self_test_foreach_arch (selftests::execute_cfa_program_test);
+  selftests::register_test_foreach_arch (selftests::execute_cfa_program_test);
 #endif
 }
diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c
index 927d950..1a1b06a 100644
--- a/gdb/dwarf2loc.c
+++ b/gdb/dwarf2loc.c
@@ -4687,6 +4687,6 @@ _initialize_dwarf2loc (void)
 			     &setdebuglist, &showdebuglist);
 
 #if GDB_SELF_TEST
-  register_self_test (selftests::copy_bitwise_tests);
+  selftests::register_test (selftests::copy_bitwise_tests);
 #endif
 }
diff --git a/gdb/findvar.c b/gdb/findvar.c
index beb127e..de6b6ed 100644
--- a/gdb/findvar.c
+++ b/gdb/findvar.c
@@ -1095,6 +1095,6 @@ void
 _initialize_findvar (void)
 {
 #if GDB_SELF_TEST
-  register_self_test (selftests::findvar_tests::copy_integer_to_size_test);
+  selftests::register_test (selftests::findvar_tests::copy_integer_to_size_test);
 #endif
 }
diff --git a/gdb/gdbarch-selftests.c b/gdb/gdbarch-selftests.c
index 096ba97..cb15964 100644
--- a/gdb/gdbarch-selftests.c
+++ b/gdb/gdbarch-selftests.c
@@ -151,6 +151,6 @@ void
 _initialize_gdbarch_selftests (void)
 {
 #if GDB_SELF_TEST
-  register_self_test_foreach_arch (selftests::register_to_value_test);
+  selftests::register_test_foreach_arch (selftests::register_to_value_test);
 #endif
 }
diff --git a/gdb/maint.c b/gdb/maint.c
index a0d43ec..28f7287 100644
--- a/gdb/maint.c
+++ b/gdb/maint.c
@@ -959,7 +959,7 @@ show_per_command_cmd (char *args, int from_tty)
 static void
 maintenance_selftest (char *args, int from_tty)
 {
-  run_self_tests ();
+  selftests::run_tests ();
 }
 
 
diff --git a/gdb/regcache.c b/gdb/regcache.c
index e8f92d6..dcbcedd 100644
--- a/gdb/regcache.c
+++ b/gdb/regcache.c
@@ -1776,6 +1776,6 @@ remote register number and buffer offset in the g/G packets.\n\
 Takes an optional file parameter."),
 	   &maintenanceprintlist);
 #if GDB_SELF_TEST
-  register_self_test (selftests::current_regcache_test);
+  selftests::register_test (selftests::current_regcache_test);
 #endif
 }
diff --git a/gdb/rust-exp.y b/gdb/rust-exp.y
index 30c0cb4..4cb3aa2 100644
--- a/gdb/rust-exp.y
+++ b/gdb/rust-exp.y
@@ -2781,6 +2781,6 @@ _initialize_rust_exp (void)
   gdb_assert (code == 0);
 
 #if GDB_SELF_TEST
-  register_self_test (rust_lex_tests);
+  selftests::register_test (rust_lex_tests);
 #endif
 }
diff --git a/gdb/selftest-arch.c b/gdb/selftest-arch.c
index c4fe60d..dfcbe27 100644
--- a/gdb/selftest-arch.c
+++ b/gdb/selftest-arch.c
@@ -23,16 +23,16 @@
 #include "selftest-arch.h"
 #include "arch-utils.h"
 
+namespace selftests {
+
 static std::vector<self_test_foreach_arch_function *> gdbarch_tests;
 
 void
-register_self_test_foreach_arch (self_test_foreach_arch_function *function)
+register_test_foreach_arch (self_test_foreach_arch_function *function)
 {
   gdbarch_tests.push_back (function);
 }
 
-namespace selftests {
-
 static void
 tests_with_arch ()
 {
@@ -101,6 +101,6 @@ void
 _initialize_selftests_foreach_arch ()
 {
 #if GDB_SELF_TEST
-  register_self_test (selftests::tests_with_arch);
+  selftests::register_test (selftests::tests_with_arch);
 #endif
 }
diff --git a/gdb/selftest-arch.h b/gdb/selftest-arch.h
index d1725cd..dc16c4d 100644
--- a/gdb/selftest-arch.h
+++ b/gdb/selftest-arch.h
@@ -21,7 +21,10 @@
 
 typedef void self_test_foreach_arch_function (struct gdbarch *);
 
+namespace selftests
+{
 extern void
-  register_self_test_foreach_arch (self_test_foreach_arch_function *function);
+  register_test_foreach_arch (self_test_foreach_arch_function *function);
+}
 
 #endif /* SELFTEST_ARCH_H */
diff --git a/gdb/selftest.c b/gdb/selftest.c
index 14b76f6..31d16af 100644
--- a/gdb/selftest.c
+++ b/gdb/selftest.c
@@ -20,6 +20,9 @@
 #include "selftest.h"
 #include <vector>
 
+namespace selftests
+{
+
 /* All the tests that have been registered.  */
 
 static std::vector<self_test_function *> tests;
@@ -27,7 +30,7 @@ static std::vector<self_test_function *> tests;
 /* See selftest.h.  */
 
 void
-register_self_test (self_test_function *function)
+register_test (self_test_function *function)
 {
   tests.push_back (function);
 }
@@ -35,7 +38,7 @@ register_self_test (self_test_function *function)
 /* See selftest.h.  */
 
 void
-run_self_tests (void)
+run_tests (void)
 {
   int failed = 0;
 
@@ -62,3 +65,4 @@ run_self_tests (void)
   printf_filtered (_("Ran %lu unit tests, %d failed\n"),
 		   (long) tests.size (), failed);
 }
+} // namespace selftests
diff --git a/gdb/selftest.h b/gdb/selftest.h
index 94684ff..8a01a5d 100644
--- a/gdb/selftest.h
+++ b/gdb/selftest.h
@@ -24,14 +24,19 @@
 
 typedef void self_test_function (void);
 
+namespace selftests
+{
+
 /* Register a new self-test.  */
 
-extern void register_self_test (self_test_function *function);
+extern void register_test (self_test_function *function);
 
 /* Run all the self tests.  This print a message describing the number
    of test and the number of failures.  */
 
-extern void run_self_tests (void);
+extern void run_tests (void);
+
+}
 
 /* Check that VALUE is true, and, if not, throw an exception.  */
 
diff --git a/gdb/unittests/environ-selftests.c b/gdb/unittests/environ-selftests.c
index 28b16f8..1e938e6 100644
--- a/gdb/unittests/environ-selftests.c
+++ b/gdb/unittests/environ-selftests.c
@@ -155,5 +155,5 @@ run_tests ()
 void
 _initialize_environ_selftests ()
 {
-  register_self_test (selftests::gdb_environ_tests::run_tests);
+  selftests::register_test (selftests::gdb_environ_tests::run_tests);
 }
diff --git a/gdb/unittests/function-view-selftests.c b/gdb/unittests/function-view-selftests.c
index 310f2ad..d3018ba 100644
--- a/gdb/unittests/function-view-selftests.c
+++ b/gdb/unittests/function-view-selftests.c
@@ -174,5 +174,5 @@ run_tests ()
 void
 _initialize_function_view_selftests ()
 {
-  register_self_test (selftests::function_view::run_tests);
+  selftests::register_test (selftests::function_view::run_tests);
 }
diff --git a/gdb/unittests/offset-type-selftests.c b/gdb/unittests/offset-type-selftests.c
index a11e908..3e66547 100644
--- a/gdb/unittests/offset-type-selftests.c
+++ b/gdb/unittests/offset-type-selftests.c
@@ -174,5 +174,5 @@ run_tests ()
 void
 _initialize_offset_type_selftests ()
 {
-  register_self_test (selftests::offset_type::run_tests);
+  selftests::register_test (selftests::offset_type::run_tests);
 }
diff --git a/gdb/unittests/optional-selftests.c b/gdb/unittests/optional-selftests.c
index 76343c6..0bcf964 100644
--- a/gdb/unittests/optional-selftests.c
+++ b/gdb/unittests/optional-selftests.c
@@ -90,5 +90,5 @@ run_tests ()
 void
 _initialize_optional_selftests ()
 {
-  register_self_test (selftests::optional::run_tests);
+  selftests::register_test (selftests::optional::run_tests);
 }
diff --git a/gdb/unittests/scoped_restore-selftests.c b/gdb/unittests/scoped_restore-selftests.c
index e97d622..ea7492b 100644
--- a/gdb/unittests/scoped_restore-selftests.c
+++ b/gdb/unittests/scoped_restore-selftests.c
@@ -106,5 +106,5 @@ run_tests ()
 void
 _initialize_scoped_restore_selftests ()
 {
-  register_self_test (selftests::scoped_restore_tests::run_tests);
+  selftests::register_test (selftests::scoped_restore_tests::run_tests);
 }
diff --git a/gdb/utils-selftests.c b/gdb/utils-selftests.c
index ebaeef0..08feac6 100644
--- a/gdb/utils-selftests.c
+++ b/gdb/utils-selftests.c
@@ -55,6 +55,6 @@ void
 _initialize_utils_selftests (void)
 {
 #if GDB_SELF_TEST
-  register_self_test (selftests::common_utils_tests);
+  selftests::register_test (selftests::common_utils_tests);
 #endif
 }
