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[thirdparty/binutils-gdb.git] / gdb / testsuite / gdb.mi / mi-reverse.exp

# Copyright 2009, 2011-2012 Free Software Foundation, Inc.\r
\r
# This program is free software; you can redistribute it and/or modify\r
# it under the terms of the GNU General Public License as published by\r
# the Free Software Foundation; either version 3 of the License, or\r
# (at your option) any later version.\r
#\r
# This program is distributed in the hope that it will be useful,\r
# but WITHOUT ANY WARRANTY; without even the implied warranty of\r
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
# GNU General Public License for more details.\r
#\r
# You should have received a copy of the GNU General Public License\r
# along with this program.  If not, see <http://www.gnu.org/licenses/>.\r
\r
# Test Machine interface (MI) operations\r
# Verify that, using the MI, we can run a simple program in both forward\r
# and reverse directions with the following execution commands:\r
# - exec-continue\r
# - exec-finish\r
# - exec-next\r
# - exec-step\r
# - exec-next-instruction\r
# - exec-step-instruction\r
\r
# The goal is not to test gdb functionality, which is done by other tests,\r
# but to verify the correct output response to MI operations.\r
#\r
\r
if ![target_info exists gdb,can_reverse] {\r
    return\r
}\r
\r
load_lib mi-support.exp\r
set MIFLAGS "-i=mi"\r
\r
gdb_exit\r
if [mi_gdb_start] {\r
    continue\r
}\r
\r
set testfile mi-reverse\r
set srcfile basics.c\r
set binfile ${objdir}/${subdir}/mi2-reverse\r
if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } {\r
     untested ${testfile}.exp\r
     return -1\r
}\r
\r
mi_run_to_main\r
\r
if [target_info exists gdb,use_precord] {\r
    # Activate process record/replay\r
    if [mi_gdb_test "-interpreter-exec console record" \\r
	{\^done} "Turn on process record"] {\r
	warning "Fail to activate process record/replay, tests in this group will not be performed.\n";\r
	return -1\r
    }\r
}\r
\r
# Locate line numbers in basics.c.\r
set line_callee4_head  [gdb_get_line_number "callee4 ("]\r
set line_callee4_body  [expr $line_callee4_head + 2]\r
set line_callee3_head  [gdb_get_line_number "callee3 ("]\r
set line_callee3_body  [expr $line_callee3_head + 2]\r
set line_callee3_close [expr $line_callee3_head + 3]\r
set line_callee2_head  [gdb_get_line_number "callee2 ("]\r
set line_callee2_body  [expr $line_callee2_head + 2]\r
set line_callee2_close [expr $line_callee2_head + 3]\r
set line_callee1_head  [gdb_get_line_number "callee1 ("]\r
set line_callee1_body  [expr $line_callee1_head + 2]\r
set line_callee1_close [expr $line_callee1_head + 3]\r
set line_callme_head   [gdb_get_line_number "callme"]\r
set line_callme_body   [expr $line_callme_head + 2]\r
set line_main_head     [gdb_get_line_number "main ("]\r
set line_main_body     [expr $line_main_head + 2]\r
set line_main_hello    [gdb_get_line_number "Hello, World!"]\r
set line_main_callme_1 [gdb_get_line_number "callme (1"]\r
\r
# Forward execute to the callme() function, so that we can\r
# execute backward from there.\r
mi_continue_to callme\r
mi_delete_breakpoints\r
\r
proc test_controlled_execution_reverse {} {\r
    global mi_gdb_prompt\r
    global srcfile\r
    global hex\r
\r
    global line_callee4_head line_callee4_body\r
    global line_callee3_head line_callee3_body line_callee3_close\r
    global line_callee2_head line_callee2_body line_callee2_close\r
    global line_callee1_head line_callee1_body line_callee1_close\r
    global line_main_head    line_main_body\r
    global line_main_hello   line_main_callme_1\r
\r
    # Test exec-reverse-finish\r
\r
    mi_execute_to "exec-finish --reverse" \\r
	"end-stepping-range" "main" "" \\r
	"basics.c" $line_main_callme_1 "" \\r
	"reverse finish from callme"\r
\r
    # Test exec-reverse-next\r
    #   It takes two steps to get back to the previous line,\r
    #   as the first step moves us to the start of the current line,\r
    #   and the one after that moves back to the previous line.\r
\r
    mi_execute_to "exec-next --reverse 2" \\r
 	"end-stepping-range" "main" "" \\r
 	"basics.c" $line_main_hello "" \\r
 	"reverse next to get over the call to do_nothing"\r
\r
    # Test exec-reverse-step\r
\r
    mi_execute_to "exec-step --reverse" \\r
 	"end-stepping-range" "callee1" \\r
	"\{name=\"intarg\",value=\"2\"\},\{name=\"strarg\",value=\"$hex \\\\\"A string argument\.\\\\\"\"\},\{name=\"fltarg\",value=\"3.5\"\}" \\r
 	"basics.c" $line_callee1_close "" \\r
 	"reverse step to callee1"\r
\r
    mi_execute_to "exec-step --reverse" \\r
 	"end-stepping-range" "callee2" \\r
	"\{name=\"intarg\",value=\"2\"\},\{name=\"strarg\",value=\"$hex \\\\\"A string argument\.\\\\\"\"\}" \\r
 	"basics.c" $line_callee2_close "" \\r
 	"reverse step to callee2"\r
\r
    mi_execute_to "exec-step --reverse" \\r
 	"end-stepping-range" "callee3" \\r
	"\{name=\"strarg\",value=\"$hex \\\\\"A string argument\.\\\\\"\"\}" \\r
 	"basics.c" $line_callee3_close "" \\r
 	"reverse step to callee3"\r
\r
    mi_execute_to "exec-step --reverse" \\r
 	"end-stepping-range" "callee4" "" \\r
 	"basics.c" "\[0-9\]+" "" \\r
 	"reverse step to callee4"\r
\r
    # Test exec-reverse-[step|next]-instruction\r
\r
    mi_execute_to "exec-step-instruction --reverse" \\r
        "end-stepping-range" "callee4" "" \\r
        "basics.c" "\[0-9\]+" "" \\r
        "reverse-step-instruction at callee4"\r
\r
    mi_execute_to "exec-next-instruction --reverse" \\r
        "end-stepping-range" "callee4" "" \\r
        "basics.c" "\[0-9\]+" "" \\r
        "reverse-next-instruction at callee4"\r
\r
    # Test exec-reverse-continue\r
\r
    mi_create_breakpoint "-t basics.c:$line_callee3_head" \\r
	3 del callee3 ".*basics.c" $line_callee3_head $hex \\r
	"insert temp breakpoint at basics.c:$line_callee3_head"\r
\r
    mi_execute_to "exec-continue --reverse" \\r
        "breakpoint-hit" "callee3" \\r
	"\{name=\"strarg\",value=\"$hex \\\\\"A string argument\.\\\\\"\"\}" \\r
        "basics.c" "\[0-9\]+" \\r
	{ "" "disp=\"del\""} \\r
        "reverse-continue at callee3"\r
\r
    mi_execute_to "exec-continue --reverse" \\r
        "" "main" "" \\r
        "basics.c" $line_main_body "" \\r
        "reverse-continue at main"\r
}\r
\r
test_controlled_execution_reverse\r
\r
mi_gdb_exit\r
return 0\r