Use mi_clean_restart more

This changes a number of MI tests to use mi_clean_restart rather than
separate calls.  This reduces the number of lines, which is nice, and
also provides a nicer model to copy for future tests.

60 files changed, 147 insertions, 401 deletions

diff --git a/gdb/testsuite/gdb.ada/mi_ex_cond.exp b/gdb/testsuite/gdb.ada/mi_ex_cond.exp
index 6fba4da..f41b633 100644
--- a/gdb/testsuite/gdb.ada/mi_ex_cond.exp
+++ b/gdb/testsuite/gdb.ada/mi_ex_cond.exp
@@ -57,15 +57,10 @@ gdb_test_multiple "catch exception" $msg {
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart $binfile]} {
     return
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
-
 # And finally, the meat of the testcase... Insert an Ada exception
 # catchpoint that uses both conditions and exception name.
 
diff --git a/gdb/testsuite/gdb.ada/mi_task_arg.exp b/gdb/testsuite/gdb.ada/mi_task_arg.exp
index 771e934..1d84e43 100644
--- a/gdb/testsuite/gdb.ada/mi_task_arg.exp
+++ b/gdb/testsuite/gdb.ada/mi_task_arg.exp
@@ -26,15 +26,10 @@ if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug additional
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart $binfile]} {
     return
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
-
 # This test won't work properly if system debuginfo is installed.
 mi_gdb_test "-gdb-set debug-file-directory \"\"" ".*"
 
diff --git a/gdb/testsuite/gdb.ada/mi_task_info.exp b/gdb/testsuite/gdb.ada/mi_task_info.exp
index 7701a3e..6e23f01 100644
--- a/gdb/testsuite/gdb.ada/mi_task_info.exp
+++ b/gdb/testsuite/gdb.ada/mi_task_info.exp
@@ -26,15 +26,10 @@ if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug additional
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart $binfile]} {
     return
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
-
 ####################################
 # 1. Try catching all exceptions.  #
 ####################################
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-opt-structptr.exp b/gdb/testsuite/gdb.dwarf2/dw2-opt-structptr.exp
index ae6c58f..0d54947 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-opt-structptr.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-opt-structptr.exp
@@ -168,20 +168,13 @@ proc do_mi_test {} {
     set MIFLAGS "-i=mi"
 
     global mi_gdb_prompt
-    global srcdir
-    global subdir
     global binfile
     
     with_test_prefix "mi" {
-	gdb_exit
-	if {[mi_gdb_start]} {
-	    return -1
+	if {[mi_clean_restart $binfile]} {
+	    return
 	}
 	
-	mi_delete_breakpoints
-	mi_gdb_reinitialize_dir $srcdir/$subdir
-	mi_gdb_load $binfile
-	
 	# This causes GDB to dereference a pointer-to-structure when doing
 	# -var-create.
 	mi_gdb_test "-gdb-set print object on" ".*" "set print object on"
diff --git a/gdb/testsuite/gdb.mi/dw2-ref-missing-frame.exp b/gdb/testsuite/gdb.mi/dw2-ref-missing-frame.exp
index 336290e..692e0f1 100644
--- a/gdb/testsuite/gdb.mi/dw2-ref-missing-frame.exp
+++ b/gdb/testsuite/gdb.mi/dw2-ref-missing-frame.exp
@@ -32,14 +32,10 @@ if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" $objsfile object {}] != ""
     return -1
 }
 
-if [mi_gdb_start] {
+if {[mi_clean_restart $binfile]} {
     return
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
-
 if [mi_runto func_nofb_marker] {
     # First try referencing DW_AT_frame_base which is not defined.
     mi_gdb_test "300-stack-list-locals --thread 1 --frame 1 --all-values" \
@@ -48,13 +44,9 @@ if [mi_runto func_nofb_marker] {
 }
 
 # GDB could have crashed.
-mi_gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart $binfile]} {
     return
 }
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
 
 # And now try referencing DW_AT_frame_base defined using a self-reference
 # (DW_OP_fbreg).
diff --git a/gdb/testsuite/gdb.mi/gdb680.exp b/gdb/testsuite/gdb.mi/gdb680.exp
index fb9d865..a5d321d 100644
--- a/gdb/testsuite/gdb.mi/gdb680.exp
+++ b/gdb/testsuite/gdb.mi/gdb680.exp
@@ -20,8 +20,7 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart]} {
     return
 }
 
diff --git a/gdb/testsuite/gdb.mi/list-thread-groups-no-inferior.exp b/gdb/testsuite/gdb.mi/list-thread-groups-no-inferior.exp
index 2e05f1d..feb2915 100644
--- a/gdb/testsuite/gdb.mi/list-thread-groups-no-inferior.exp
+++ b/gdb/testsuite/gdb.mi/list-thread-groups-no-inferior.exp
@@ -21,8 +21,7 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart]} {
     return
 }
 
diff --git a/gdb/testsuite/gdb.mi/mi-async-run.exp b/gdb/testsuite/gdb.mi/mi-async-run.exp
index 0267b54..cd668b1 100644
--- a/gdb/testsuite/gdb.mi/mi-async-run.exp
+++ b/gdb/testsuite/gdb.mi/mi-async-run.exp
@@ -35,12 +35,10 @@ proc test_async_run {} {
 
 	set GDBFLAGS [concat $GDBFLAGS " -ex \"set mi-async on\""]
 
-	gdb_exit
-	if [mi_gdb_start] {
+	if {[mi_clean_restart $binfile]} {
 	    return
 	}
 
-	mi_gdb_load ${binfile}
 	mi_run_cmd
 	mi_gdb_test "123-exec-interrupt --all" "123\\^done" "send interrupt command"
 	mi_expect_interrupt "expect interrupt"
diff --git a/gdb/testsuite/gdb.mi/mi-async.exp b/gdb/testsuite/gdb.mi/mi-async.exp
index f970fc7..4bc82d5 100644
--- a/gdb/testsuite/gdb.mi/mi-async.exp
+++ b/gdb/testsuite/gdb.mi/mi-async.exp
@@ -35,11 +35,6 @@ set GDBFLAGS [concat $GDBFLAGS " -ex \"set mi-async on\""]
 
 load_lib mi-support.exp
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile basics.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -47,9 +42,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
      return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 # mi_gdb_test cannot be used for asynchronous commands because there are
 # two prompts involved and this can lead to a race condition.
diff --git a/gdb/testsuite/gdb.mi/mi-break-qualified.exp b/gdb/testsuite/gdb.mi/mi-break-qualified.exp
index 64bb9e4..3f6acc5 100644
--- a/gdb/testsuite/gdb.mi/mi-break-qualified.exp
+++ b/gdb/testsuite/gdb.mi/mi-break-qualified.exp
@@ -93,14 +93,8 @@ proc test_break_qualified {} {
 	    "delete temp breakpoints"
 }
 
-mi_gdb_exit
-
-if [mi_gdb_start] {
+if {[mi_clean_restart $binfile]} {
     return
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
-
 test_break_qualified
diff --git a/gdb/testsuite/gdb.mi/mi-breakpoint-changed.exp b/gdb/testsuite/gdb.mi/mi-breakpoint-changed.exp
index 5cc2fe8..c0d9add 100644
--- a/gdb/testsuite/gdb.mi/mi-breakpoint-changed.exp
+++ b/gdb/testsuite/gdb.mi/mi-breakpoint-changed.exp
@@ -165,12 +165,9 @@ proc test_pending_resolved { } {
 	global lib_sl1 lib_sl2
 	global mi_gdb_prompt
 
-	gdb_exit
-	if [mi_gdb_start] {
+	if {[mi_clean_restart $binfile]} {
 	    return
 	}
-	mi_gdb_reinitialize_dir $srcdir/$subdir
-	mi_gdb_load ${binfile}
 	mi_load_shlibs $lib_sl1 $lib_sl2
 
 	# Create a pending breakpoint on pendfunc1
diff --git a/gdb/testsuite/gdb.mi/mi-catch-cpp-exceptions.exp b/gdb/testsuite/gdb.mi/mi-catch-cpp-exceptions.exp
index ac2d8e1..595ae92 100644
--- a/gdb/testsuite/gdb.mi/mi-catch-cpp-exceptions.exp
+++ b/gdb/testsuite/gdb.mi/mi-catch-cpp-exceptions.exp
@@ -46,14 +46,10 @@ proc restart_for_test {} {
     global srcdir subdir binfile srcfile
     global main_lineno
 
-    if {[mi_gdb_start]} {
+    if {[mi_clean_restart $binfile]} {
 	return
     }
 
-    mi_delete_breakpoints
-    mi_gdb_reinitialize_dir $srcdir/$subdir
-    mi_gdb_load ${binfile}
-
     mi_runto_main
 
     mi_create_breakpoint \
diff --git a/gdb/testsuite/gdb.mi/mi-cmd-error.exp b/gdb/testsuite/gdb.mi/mi-cmd-error.exp
index 5a3b84a..a43d824 100644
--- a/gdb/testsuite/gdb.mi/mi-cmd-error.exp
+++ b/gdb/testsuite/gdb.mi/mi-cmd-error.exp
@@ -25,8 +25,7 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart]} {
     return
 }
 
diff --git a/gdb/testsuite/gdb.mi/mi-condbreak-call-thr-state.exp b/gdb/testsuite/gdb.mi/mi-condbreak-call-thr-state.exp
index de0914d..8184cd8 100644
--- a/gdb/testsuite/gdb.mi/mi-condbreak-call-thr-state.exp
+++ b/gdb/testsuite/gdb.mi/mi-condbreak-call-thr-state.exp
@@ -40,11 +40,6 @@ proc test { variant } {
     global mi_gdb_prompt async
 
     with_test_prefix "$variant" {
-	gdb_exit
-	if [mi_gdb_start] {
-	    return
-	}
-
 	set options {debug}
 	if {$variant == "mt" } {
 	    lappend options "pthreads"
@@ -64,10 +59,9 @@ proc test { variant } {
 	    return -1
 	}
 
-	mi_delete_breakpoints
-	mi_gdb_reinitialize_dir $srcdir/$subdir
-	mi_gdb_reinitialize_dir $srcdir/$subdir
-	mi_gdb_load ${binfile}
+	if {[mi_clean_restart $binfile]} {
+	    return
+	}
 
 	mi_runto test
 
diff --git a/gdb/testsuite/gdb.mi/mi-console.exp b/gdb/testsuite/gdb.mi/mi-console.exp
index 7389607..c39e05c 100644
--- a/gdb/testsuite/gdb.mi/mi-console.exp
+++ b/gdb/testsuite/gdb.mi/mi-console.exp
@@ -46,11 +46,6 @@ proc semihosted_string { string } {
   return [join $semihosted_list ""]
 }
 
-gdb_exit
-if [mi_gdb_start separate-inferior-tty] {
-    return
-}
-
 standard_testfile
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -58,8 +53,10 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
      return -1
 }
 
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
+
 mi_runto_main
 
 # The output we get from the target depends on how it is hosted.  If
diff --git a/gdb/testsuite/gdb.mi/mi-dprintf-pending.exp b/gdb/testsuite/gdb.mi/mi-dprintf-pending.exp
index 66a3042..358d929 100644
--- a/gdb/testsuite/gdb.mi/mi-dprintf-pending.exp
+++ b/gdb/testsuite/gdb.mi/mi-dprintf-pending.exp
@@ -39,11 +39,10 @@ if {[gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != ""}
     return -1
 }
 
-# Start with a fresh gdb.
-gdb_exit
-mi_gdb_start
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
+
 mi_load_shlibs $lib_sl1
 
 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
diff --git a/gdb/testsuite/gdb.mi/mi-editing.exp b/gdb/testsuite/gdb.mi/mi-editing.exp
index 35ed2af..2fb65ff 100644
--- a/gdb/testsuite/gdb.mi/mi-editing.exp
+++ b/gdb/testsuite/gdb.mi/mi-editing.exp
@@ -23,8 +23,7 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if {[mi_gdb_start]} {
+if {[mi_clean_restart]} {
     return
 }
 
diff --git a/gdb/testsuite/gdb.mi/mi-eval.exp b/gdb/testsuite/gdb.mi/mi-eval.exp
index 1611b15..74ff887 100644
--- a/gdb/testsuite/gdb.mi/mi-eval.exp
+++ b/gdb/testsuite/gdb.mi/mi-eval.exp
@@ -25,11 +25,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile basics.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -37,10 +32,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
      return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 set line_callee4_head [gdb_get_line_number "callee4 ("]
 set line_callee4_body [expr $line_callee4_head + 2]
diff --git a/gdb/testsuite/gdb.mi/mi-file-transfer.exp b/gdb/testsuite/gdb.mi/mi-file-transfer.exp
index 726504c..edb1ea6 100644
--- a/gdb/testsuite/gdb.mi/mi-file-transfer.exp
+++ b/gdb/testsuite/gdb.mi/mi-file-transfer.exp
@@ -29,12 +29,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
     return -1
 }
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart]} {
     return
 }
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
 mi_gdb_file_cmd ${binfile}
 
 proc mi_gdbserver_run { } {
diff --git a/gdb/testsuite/gdb.mi/mi-file.exp b/gdb/testsuite/gdb.mi/mi-file.exp
index 811744e..0785c2b 100644
--- a/gdb/testsuite/gdb.mi/mi-file.exp
+++ b/gdb/testsuite/gdb.mi/mi-file.exp
@@ -18,11 +18,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile basics.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -30,8 +25,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
      return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
+if {[mi_clean_restart]} {
+    return
+}
 mi_gdb_file_cmd ${binfile}
 
 proc test_file_list_exec_source_file {} {
diff --git a/gdb/testsuite/gdb.mi/mi-fullname-deleted.exp b/gdb/testsuite/gdb.mi/mi-fullname-deleted.exp
index b41cc7f..f898e55 100644
--- a/gdb/testsuite/gdb.mi/mi-fullname-deleted.exp
+++ b/gdb/testsuite/gdb.mi/mi-fullname-deleted.exp
@@ -16,11 +16,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile
 set srcfileabs [standard_output_file $srcfile]
 
@@ -63,8 +58,9 @@ if { [gdb_compile "$srcfileabs" "${binfile}" executable {debug}] != "" } {
 
 file delete -- $srcfileabs
 
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 mi_gdb_test "-interpreter-exec console \"set substitute-path ${initdir} ${initdir}subst\"" {\^done} "set substitute-path"
 
diff --git a/gdb/testsuite/gdb.mi/mi-hack-cli.exp b/gdb/testsuite/gdb.mi/mi-hack-cli.exp
index 3013d87..f39923b 100644
--- a/gdb/testsuite/gdb.mi/mi-hack-cli.exp
+++ b/gdb/testsuite/gdb.mi/mi-hack-cli.exp
@@ -19,8 +19,7 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart]} {
     return
 }
 
diff --git a/gdb/testsuite/gdb.mi/mi-i-cmd.exp b/gdb/testsuite/gdb.mi/mi-i-cmd.exp
index 80ef266..e64f900 100644
--- a/gdb/testsuite/gdb.mi/mi-i-cmd.exp
+++ b/gdb/testsuite/gdb.mi/mi-i-cmd.exp
@@ -16,8 +16,7 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart]} {
     return
 }
 
diff --git a/gdb/testsuite/gdb.mi/mi-info-os.exp b/gdb/testsuite/gdb.mi/mi-info-os.exp
index 2f243a7..d71ad4c 100644
--- a/gdb/testsuite/gdb.mi/mi-info-os.exp
+++ b/gdb/testsuite/gdb.mi/mi-info-os.exp
@@ -25,20 +25,17 @@ if {![istarget *-*-linux*]} {
 # Support for XML-output is needed to run this test.
 require allow_xml_test
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile basics.c
 
 if [build_executable "Failed to build $testfile" $testfile $srcfile \
 	debug] {
     return -1;
 }
-if {[mi_gdb_load $binfile] < 0} {
-    return -1
+
+if {[mi_clean_restart $binfile]} {
+    return
 }
+
 # When testing a cross configuration, we need to be sure to first
 # connect to the target.  If we didn't do that, GDB would try running
 # the command against the default run target.  The usual way to do
diff --git a/gdb/testsuite/gdb.mi/mi-inheritance-syntax-error.exp b/gdb/testsuite/gdb.mi/mi-inheritance-syntax-error.exp
index d3523b0..90bb182 100644
--- a/gdb/testsuite/gdb.mi/mi-inheritance-syntax-error.exp
+++ b/gdb/testsuite/gdb.mi/mi-inheritance-syntax-error.exp
@@ -18,11 +18,6 @@ require allow_cplus_tests
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile .cc
 
 if {[gdb_compile $srcdir/$subdir/$srcfile $binfile executable {debug c++}] != ""} {
@@ -30,10 +25,13 @@ if {[gdb_compile $srcdir/$subdir/$srcfile $binfile executable {debug c++}] != ""
   return -1
 }
 
+if {[mi_clean_restart $binfile]} {
+    return
+}
+
 # Test that children of derived classes are given the proper
 # path by -var-info-path-expression
 
-mi_gdb_load ${binfile}
 mi_runto C::testLocation
 
 mi_create_varobj "var1" "this" "create var for THIS"
diff --git a/gdb/testsuite/gdb.mi/mi-language.exp b/gdb/testsuite/gdb.mi/mi-language.exp
index 4e8dea3..41a6c22 100644
--- a/gdb/testsuite/gdb.mi/mi-language.exp
+++ b/gdb/testsuite/gdb.mi/mi-language.exp
@@ -16,8 +16,7 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart]} {
     return
 }
 
diff --git a/gdb/testsuite/gdb.mi/mi-memory-changed.exp b/gdb/testsuite/gdb.mi/mi-memory-changed.exp
index 846415d..c562568 100644
--- a/gdb/testsuite/gdb.mi/mi-memory-changed.exp
+++ b/gdb/testsuite/gdb.mi/mi-memory-changed.exp
@@ -22,11 +22,9 @@ if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
 
 load_lib mi-support.exp
 
-if [mi_gdb_start] {
+if {[mi_clean_restart $binfile]} {
     return
 }
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
 
 mi_gdb_test "-break-insert -t ${srcfile}:[gdb_get_line_number "C = A + B"]" \
     "\\^done,bkpt=\{number=\"1\".*" \
diff --git a/gdb/testsuite/gdb.mi/mi-pending.exp b/gdb/testsuite/gdb.mi/mi-pending.exp
index 271908c..153efdf 100644
--- a/gdb/testsuite/gdb.mi/mi-pending.exp
+++ b/gdb/testsuite/gdb.mi/mi-pending.exp
@@ -45,10 +45,9 @@ if { [gdb_compile_pthreads $srcdir/$subdir/$srcfile $binfile executable $exec_op
 }
 
 # Start with a fresh gdb.
-gdb_exit
-mi_gdb_start
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 mi_load_shlibs $lib_sl1
 mi_load_shlibs $lib_sl2
 
diff --git a/gdb/testsuite/gdb.mi/mi-pthreads.exp b/gdb/testsuite/gdb.mi/mi-pthreads.exp
index fc410af..f8e701e 100644
--- a/gdb/testsuite/gdb.mi/mi-pthreads.exp
+++ b/gdb/testsuite/gdb.mi/mi-pthreads.exp
@@ -22,11 +22,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if {[mi_gdb_start]} {
-    return
-}
-
 # This procedure tests the various thread commands in MI.
 proc check_mi_thread_command_set {} {
 
@@ -68,8 +63,9 @@ if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $option
     return -1
 }
 
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load $binfile
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 check_mi_thread_command_set
 
diff --git a/gdb/testsuite/gdb.mi/mi-reg-undefined.exp b/gdb/testsuite/gdb.mi/mi-reg-undefined.exp
index caca969..d690595 100644
--- a/gdb/testsuite/gdb.mi/mi-reg-undefined.exp
+++ b/gdb/testsuite/gdb.mi/mi-reg-undefined.exp
@@ -22,11 +22,6 @@ require dwarf2_support
 # This test can only be run on x86_64 targets.
 require is_x86_64_m64_target
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile .S
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nopie}] != "" } {
@@ -34,10 +29,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
      return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 if ![mi_runto stop_frame] {
     perror "Failed to stop in stop_frame"
diff --git a/gdb/testsuite/gdb.mi/mi-return.exp b/gdb/testsuite/gdb.mi/mi-return.exp
index 6254711..12185fb 100644
--- a/gdb/testsuite/gdb.mi/mi-return.exp
+++ b/gdb/testsuite/gdb.mi/mi-return.exp
@@ -24,11 +24,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile basics.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -36,11 +31,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
      return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
-
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 proc test_return_simple {} {
     global mi_gdb_prompt
diff --git a/gdb/testsuite/gdb.mi/mi-simplerun.exp b/gdb/testsuite/gdb.mi/mi-simplerun.exp
index 99b729d..fec4f01 100644
--- a/gdb/testsuite/gdb.mi/mi-simplerun.exp
+++ b/gdb/testsuite/gdb.mi/mi-simplerun.exp
@@ -27,11 +27,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile basics.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -39,10 +34,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
      return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 proc test_breakpoints_creation_and_listing {} {
     global srcfile
diff --git a/gdb/testsuite/gdb.mi/mi-solib.exp b/gdb/testsuite/gdb.mi/mi-solib.exp
index 0363765..665759d 100644
--- a/gdb/testsuite/gdb.mi/mi-solib.exp
+++ b/gdb/testsuite/gdb.mi/mi-solib.exp
@@ -18,11 +18,6 @@ set MIFLAGS "-i=mi2"
 
 require allow_shlib_tests
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile solib-main.c solib-lib.c
 
 set libname "solib-lib"
@@ -39,9 +34,9 @@ if { [gdb_compile_shlib ${srcfile_lib} ${binfile_lib} $lib_flags] != ""
   return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 mi_load_shlibs $binfile_lib
 
diff --git a/gdb/testsuite/gdb.mi/mi-stack.exp b/gdb/testsuite/gdb.mi/mi-stack.exp
index 3359a87..633e090 100644
--- a/gdb/testsuite/gdb.mi/mi-stack.exp
+++ b/gdb/testsuite/gdb.mi/mi-stack.exp
@@ -25,11 +25,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -37,10 +32,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
      return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 proc test_stack_frame_listing {} {
     global mi_gdb_prompt
diff --git a/gdb/testsuite/gdb.mi/mi-start.exp b/gdb/testsuite/gdb.mi/mi-start.exp
index b7e81a3..89ce2dd 100644
--- a/gdb/testsuite/gdb.mi/mi-start.exp
+++ b/gdb/testsuite/gdb.mi/mi-start.exp
@@ -21,11 +21,6 @@ set MIFLAGS "-i=mi"
 # then there is no point in running this testcase...
 require !use_gdb_stub
 
-gdb_exit
-if [mi_gdb_start] {
-    continue
-}
-
 standard_testfile mi-start.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -33,10 +28,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
      return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 # First, verify that the debugger correctly advertises support
 # for the --start option of the -exec-run command.
diff --git a/gdb/testsuite/gdb.mi/mi-threads-interrupt.exp b/gdb/testsuite/gdb.mi/mi-threads-interrupt.exp
index 2193f05..149940d 100644
--- a/gdb/testsuite/gdb.mi/mi-threads-interrupt.exp
+++ b/gdb/testsuite/gdb.mi/mi-threads-interrupt.exp
@@ -36,14 +36,10 @@ proc test_continue_interrupt { } {
   global binfile
   global async
 
-  gdb_exit
-  if {[mi_gdb_start]} {
+  if {[mi_clean_restart $binfile]} {
       return
   }
 
-  # Load the binary in gdb...
-  mi_gdb_load $binfile
-
   # ... and run it.
   #
   # Note this test relies on mi_runto deleting the breakpoint.
diff --git a/gdb/testsuite/gdb.mi/mi-undefined-cmd.exp b/gdb/testsuite/gdb.mi/mi-undefined-cmd.exp
index 998853c..9b57c82 100644
--- a/gdb/testsuite/gdb.mi/mi-undefined-cmd.exp
+++ b/gdb/testsuite/gdb.mi/mi-undefined-cmd.exp
@@ -16,12 +16,10 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart]} {
     return
 }
 
-
 # First, verify that the debugger correctly advertises support
 # for the "undefined-command" error code...
 mi_gdb_test "-list-features" \
diff --git a/gdb/testsuite/gdb.mi/mi-until.exp b/gdb/testsuite/gdb.mi/mi-until.exp
index be87d2c..902fd8a 100644
--- a/gdb/testsuite/gdb.mi/mi-until.exp
+++ b/gdb/testsuite/gdb.mi/mi-until.exp
@@ -24,11 +24,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile until.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -36,10 +31,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
      return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 proc test_running_to_foo {} {
     set line [gdb_get_line_number "in-loop"]
diff --git a/gdb/testsuite/gdb.mi/mi-var-block.exp b/gdb/testsuite/gdb.mi/mi-var-block.exp
index 3638dfd..e2e788a 100644
--- a/gdb/testsuite/gdb.mi/mi-var-block.exp
+++ b/gdb/testsuite/gdb.mi/mi-var-block.exp
@@ -22,11 +22,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile var-cmd.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -34,9 +29,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
     return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 mi_runto do_block_tests
 
diff --git a/gdb/testsuite/gdb.mi/mi-var-child-f.exp b/gdb/testsuite/gdb.mi/mi-var-child-f.exp
index 7723dbc..1b4e164 100644
--- a/gdb/testsuite/gdb.mi/mi-var-child-f.exp
+++ b/gdb/testsuite/gdb.mi/mi-var-child-f.exp
@@ -21,11 +21,6 @@ load_lib "fortran.exp"
 
 require allow_fortran_tests
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile array.f90
 
 if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
@@ -33,8 +28,9 @@ if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
     return -1
 }
 
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 # Avoid shared lib symbols.
 mi_gdb_test "-gdb-set auto-solib-add off" "\\^done"
diff --git a/gdb/testsuite/gdb.mi/mi-var-child.exp b/gdb/testsuite/gdb.mi/mi-var-child.exp
index e64bde9..3cfa0ce 100644
--- a/gdb/testsuite/gdb.mi/mi-var-child.exp
+++ b/gdb/testsuite/gdb.mi/mi-var-child.exp
@@ -22,11 +22,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -34,9 +29,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
     return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 mi_runto do_children_tests
 
diff --git a/gdb/testsuite/gdb.mi/mi-var-cmd.exp b/gdb/testsuite/gdb.mi/mi-var-cmd.exp
index 9bd1f7c..0846580 100644
--- a/gdb/testsuite/gdb.mi/mi-var-cmd.exp
+++ b/gdb/testsuite/gdb.mi/mi-var-cmd.exp
@@ -22,11 +22,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile var-cmd.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -34,10 +29,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
     return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
-
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 #####                   #####
 #                           #
diff --git a/gdb/testsuite/gdb.mi/mi-var-cp.exp b/gdb/testsuite/gdb.mi/mi-var-cp.exp
index 3ce48db..edb4332 100644
--- a/gdb/testsuite/gdb.mi/mi-var-cp.exp
+++ b/gdb/testsuite/gdb.mi/mi-var-cp.exp
@@ -18,11 +18,6 @@ require allow_cplus_tests
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile .cc
 
 if {[gdb_compile $srcdir/$subdir/$srcfile $binfile executable {debug c++}] != ""} {
@@ -30,7 +25,9 @@ if {[gdb_compile $srcdir/$subdir/$srcfile $binfile executable {debug c++}] != ""
   return -1
 }
 
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 mi_prepare_inline_tests $srcfile
 
diff --git a/gdb/testsuite/gdb.mi/mi-var-display.exp b/gdb/testsuite/gdb.mi/mi-var-display.exp
index b889d19..548c4fe 100644
--- a/gdb/testsuite/gdb.mi/mi-var-display.exp
+++ b/gdb/testsuite/gdb.mi/mi-var-display.exp
@@ -22,11 +22,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile var-cmd.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -34,9 +29,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
     return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 set line_dct_end [gdb_get_line_number "{int a = 0;}"]
 
diff --git a/gdb/testsuite/gdb.mi/mi-var-invalidate.exp b/gdb/testsuite/gdb.mi/mi-var-invalidate.exp
index dfaff33..20d9171 100644
--- a/gdb/testsuite/gdb.mi/mi-var-invalidate.exp
+++ b/gdb/testsuite/gdb.mi/mi-var-invalidate.exp
@@ -23,11 +23,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile var-cmd.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -49,9 +44,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {d
     return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 # Desc:  Create global variable.
 mi_create_varobj global_simple global_simple "create global variable"
diff --git a/gdb/testsuite/gdb.mi/mi-var-list-children-invalid-grandchild.exp b/gdb/testsuite/gdb.mi/mi-var-list-children-invalid-grandchild.exp
index ea02467..f9da4e4 100644
--- a/gdb/testsuite/gdb.mi/mi-var-list-children-invalid-grandchild.exp
+++ b/gdb/testsuite/gdb.mi/mi-var-list-children-invalid-grandchild.exp
@@ -19,11 +19,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -31,9 +26,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
     return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 set line_invalid_pointer_value [gdb_get_line_number "p_outer set to invalid value"]
 set line_valid_pointer_value [gdb_get_line_number "p_outer set to valid value"]
diff --git a/gdb/testsuite/gdb.mi/mi-var-rtti.exp b/gdb/testsuite/gdb.mi/mi-var-rtti.exp
index fb8e492..a41d58e 100644
--- a/gdb/testsuite/gdb.mi/mi-var-rtti.exp
+++ b/gdb/testsuite/gdb.mi/mi-var-rtti.exp
@@ -18,11 +18,6 @@ require allow_cplus_tests
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile .cc
 set opts {debug c++}
 
@@ -30,7 +25,9 @@ if [build_executable $testfile.exp $testfile $srcfile $opts] {
     return -1
 }
 
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 mi_prepare_inline_tests $srcfile
 
diff --git a/gdb/testsuite/gdb.mi/mi-vla-c99.exp b/gdb/testsuite/gdb.mi/mi-vla-c99.exp
index ddfe607..3c28549 100644
--- a/gdb/testsuite/gdb.mi/mi-vla-c99.exp
+++ b/gdb/testsuite/gdb.mi/mi-vla-c99.exp
@@ -21,11 +21,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile vla.c
 
 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" \
@@ -34,9 +29,9 @@ if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" \
      return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 set bp_lineno [gdb_get_line_number "vla-filled"]
 
diff --git a/gdb/testsuite/gdb.mi/mi-vla-fortran.exp b/gdb/testsuite/gdb.mi/mi-vla-fortran.exp
index a240fb3..e4db423 100644
--- a/gdb/testsuite/gdb.mi/mi-vla-fortran.exp
+++ b/gdb/testsuite/gdb.mi/mi-vla-fortran.exp
@@ -22,11 +22,6 @@ load_lib mi-support.exp
 load_lib fortran.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile vla.f90
 
 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
@@ -39,9 +34,9 @@ if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
 # the type names can be printed differently.
 set real [fortran_real4]
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 set bp_lineno [gdb_get_line_number "vla1-not-allocated"]
 mi_create_breakpoint "-t vla.f90:$bp_lineno" \
diff --git a/gdb/testsuite/gdb.mi/mi-watch.exp b/gdb/testsuite/gdb.mi/mi-watch.exp
index a6e6f89..5303a41 100644
--- a/gdb/testsuite/gdb.mi/mi-watch.exp
+++ b/gdb/testsuite/gdb.mi/mi-watch.exp
@@ -31,8 +31,6 @@ set allow_hw_watchpoint_tests_p [allow_hw_watchpoint_tests]
 load_lib mi-support.exp
 set MIFLAGS "-i=mi"
 
-gdb_exit
-
 standard_testfile basics.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
diff --git a/gdb/testsuite/gdb.mi/mi2-amd64-entry-value.exp b/gdb/testsuite/gdb.mi/mi2-amd64-entry-value.exp
index 76acabc..80c8ddf 100644
--- a/gdb/testsuite/gdb.mi/mi2-amd64-entry-value.exp
+++ b/gdb/testsuite/gdb.mi/mi2-amd64-entry-value.exp
@@ -16,11 +16,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi2"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile .s
 set opts {}
 
@@ -32,14 +27,13 @@ if [info exists COMPILE] {
     require is_x86_64_m64_target
 }
 
-set executable ${testfile}
-
-if [build_executable ${testfile}.exp ${executable} ${srcfile} $opts] {
+if [build_executable ${testfile}.exp ${binfile} ${srcfile} $opts] {
     return -1
 }
 
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 foreach name {different breakhere_different breakhere_validity breakhere_invalid} {
     mi_create_breakpoint $name "break $name"
diff --git a/gdb/testsuite/gdb.mi/mi2-cli-display.exp b/gdb/testsuite/gdb.mi/mi2-cli-display.exp
index 817c383..6a2b86d 100644
--- a/gdb/testsuite/gdb.mi/mi2-cli-display.exp
+++ b/gdb/testsuite/gdb.mi/mi2-cli-display.exp
@@ -18,10 +18,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi2"
 
-if {[mi_gdb_start]} {
-    return
-}
-
 standard_testfile
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -29,9 +25,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
     return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 mi_runto do_tests
 
diff --git a/gdb/testsuite/gdb.mi/mi2-prompt.exp b/gdb/testsuite/gdb.mi/mi2-prompt.exp
index 22fda0e..f528c76 100644
--- a/gdb/testsuite/gdb.mi/mi2-prompt.exp
+++ b/gdb/testsuite/gdb.mi/mi2-prompt.exp
@@ -16,8 +16,7 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi2"
 
-gdb_exit
-if [mi_gdb_start] {
+if {[mi_clean_restart]} {
     return
 }
 
diff --git a/gdb/testsuite/gdb.mi/mi2-var-child.exp b/gdb/testsuite/gdb.mi/mi2-var-child.exp
index 47cfeb8..5c40f83 100644
--- a/gdb/testsuite/gdb.mi/mi2-var-child.exp
+++ b/gdb/testsuite/gdb.mi/mi2-var-child.exp
@@ -22,11 +22,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi2"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile var-cmd.c
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -34,9 +29,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
     return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 mi_runto do_children_tests
 
diff --git a/gdb/testsuite/gdb.python/py-framefilter-mi.exp b/gdb/testsuite/gdb.python/py-framefilter-mi.exp
index 723945d..509f21b 100644
--- a/gdb/testsuite/gdb.python/py-framefilter-mi.exp
+++ b/gdb/testsuite/gdb.python/py-framefilter-mi.exp
@@ -20,11 +20,6 @@ load_lib gdb-python.exp
 
 set MIFLAGS "-i=mi2"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile py-framefilter-mi.c
 set pyfile py-framefilter.py
 
@@ -33,9 +28,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
     return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 if {[lsearch -exact [mi_get_features] python] < 0} {
     unsupported "python support is disabled"
diff --git a/gdb/testsuite/gdb.python/py-mi-events.exp b/gdb/testsuite/gdb.python/py-mi-events.exp
index cc417d4..8d546a9 100644
--- a/gdb/testsuite/gdb.python/py-mi-events.exp
+++ b/gdb/testsuite/gdb.python/py-mi-events.exp
@@ -20,12 +20,8 @@ set MIFLAGS "-i=mi2"
 
 require allow_python_tests
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile
+
 set pyfile ${testfile}-gdb.py
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
@@ -35,8 +31,10 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
 
 set remote_python_file [gdb_remote_download host ${srcdir}/${subdir}/${pyfile}]
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
+if {[mi_clean_restart]} {
+    return
+}
+
 mi_gdb_test "set auto-load safe-path ${remote_python_file}" \
     {.*\^done} \
     "set safe-path"
diff --git a/gdb/testsuite/gdb.python/py-mi-objfile.exp b/gdb/testsuite/gdb.python/py-mi-objfile.exp
index bc02da2..d098bba 100644
--- a/gdb/testsuite/gdb.python/py-mi-objfile.exp
+++ b/gdb/testsuite/gdb.python/py-mi-objfile.exp
@@ -20,11 +20,6 @@ set MIFLAGS "-i=mi2"
 
 require allow_python_tests
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile
 set pyfile ${testfile}-gdb.py
 
@@ -38,8 +33,10 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
 # gdb will find it.
 set remote_python_file [gdb_remote_download host ${srcdir}/${subdir}/${pyfile}]
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
+if {[mi_clean_restart $binfile]} {
+    return
+}
+
 mi_gdb_test "set auto-load safe-path ${remote_python_file}" \
     {.*\^done} \
     "set safe-path"
diff --git a/gdb/testsuite/gdb.python/py-mi.exp b/gdb/testsuite/gdb.python/py-mi.exp
index 705a9c4..a7b7a5f 100644
--- a/gdb/testsuite/gdb.python/py-mi.exp
+++ b/gdb/testsuite/gdb.python/py-mi.exp
@@ -19,11 +19,6 @@
 load_lib mi-support.exp
 set MIFLAGS "-i=mi2"
 
-gdb_exit
-if [mi_gdb_start] {
-    return
-}
-
 standard_testfile py-prettyprint.c
 set pyfile py-prettyprint.py
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DMI}] != "" } {
@@ -31,9 +26,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {deb
     return -1
 }
 
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}
+if {[mi_clean_restart $binfile]} {
+    return
+}
 
 if {[lsearch -exact [mi_get_features] python] < 0} {
     unsupported "python support is disabled"
@@ -347,12 +342,9 @@ if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}-cxx" \
     return -1
 }
 
-if [mi_gdb_start] {
+if {[mi_clean_restart ${binfile}-cxx]} {
     return
 }
-mi_delete_breakpoints
-mi_gdb_reinitialize_dir $srcdir/$subdir
-mi_gdb_load ${binfile}-cxx
 
 if {[lsearch -exact [mi_get_features] python] < 0} {
     unsupported "python support is disabled"
diff --git a/gdb/testsuite/gdb.trace/mi-tracepoint-changed.exp b/gdb/testsuite/gdb.trace/mi-tracepoint-changed.exp
index 6dc5e38..fab1463 100644
--- a/gdb/testsuite/gdb.trace/mi-tracepoint-changed.exp
+++ b/gdb/testsuite/gdb.trace/mi-tracepoint-changed.exp
@@ -89,19 +89,12 @@ proc test_reconnect { } {
 	    }
 	}
 
-	gdb_exit
+	global binfile
 
-	if [mi_gdb_start] {
+	if {[mi_clean_restart $binfile]} {
 	    return
 	}
 
-	global srcdir
-	global subdir
-	global binfile
-
-	mi_gdb_reinitialize_dir $srcdir/$subdir
-	mi_gdb_load ${binfile}
-
 	global gdbserver_protocol
 	global gdbserver_gdbport
 
@@ -162,19 +155,13 @@ proc test_pending_resolved { } {
     with_test_prefix "pending resolved" {
 	global decimal hex
 	global executable
-	global srcdir
-	global subdir
 	global binfile
 	global lib_sl1 lib_sl2
 	global mi_gdb_prompt
 
-	gdb_exit
-	if [mi_gdb_start] {
+	if {[mi_clean_restart $binfile]} {
 	    return
 	}
-
-	mi_gdb_reinitialize_dir $srcdir/$subdir
-	mi_gdb_load ${binfile}
 	mi_load_shlibs $lib_sl1 $lib_sl2
 
 	# Create a pending tracepoint on pendfunc2
diff --git a/gdb/testsuite/gdb.trace/mi-tsv-changed.exp b/gdb/testsuite/gdb.trace/mi-tsv-changed.exp
index ea7fcf3..792bd4f 100644
--- a/gdb/testsuite/gdb.trace/mi-tsv-changed.exp
+++ b/gdb/testsuite/gdb.trace/mi-tsv-changed.exp
@@ -76,13 +76,11 @@ proc test_create_delete_modify_tsv { } {
 	    return -1
 	}
 	gdb_exit
-	if [mi_gdb_start] {
+
+	if {[mi_clean_restart $binfile]} {
 	    return
 	}
 
-	mi_gdb_reinitialize_dir $srcdir/$subdir
-	mi_gdb_load ${binfile}
-
 	mi_gdb_test "tvariable \$tvar3 = 3" \
 	    ".*=tsv-created,name=\"tvar3\",initial=\"3\".*\\^done" \
 	    "tvariable \$tvar3 modified"
@@ -177,19 +175,11 @@ proc test_upload_tsv { } {
 	    }
 	}
 
-	gdb_exit
-
-	if [mi_gdb_start] {
+	global binfile
+	if {[mi_clean_restart $binfile]} {
 	    return
 	}
 
-	global srcdir
-	global subdir
-	global binfile
-
-	mi_gdb_reinitialize_dir $srcdir/$subdir
-	mi_gdb_load ${binfile}
-
 	global gdbserver_protocol
 	global gdbserver_gdbport