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# Copyright 1999-2017 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Test essential Machine interface (MI) operations
#
# Verify that, using the MI, we can run a simple program and perform basic
# debugging activities like: insert breakpoints, run the program,
# step, next, continue until it ends and, last but not least, quit.
#
# The goal is not to test gdb functionality, which is done by other tests,
# but to verify the correct output response to MI operations.
#
load_lib mi-support.exp
set MIFLAGS "-i=mi"
gdb_exit
if [mi_gdb_start] {
continue
}
standard_testfile basics.c
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
untested "failed to compile"
return -1
}
mi_delete_breakpoints
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load ${binfile}
proc test_breakpoints_creation_and_listing {} {
global srcfile
set line_callee4_head [gdb_get_line_number "callee4 ("]
set line_callee4_body [expr $line_callee4_head + 2]
set line_callee3_head [gdb_get_line_number "callee3 ("]
set line_callee3_body [expr $line_callee3_head + 2]
set line_callee2_head [gdb_get_line_number "callee2 ("]
set line_callee2_body [expr $line_callee2_head + 2]
set line_main_head [gdb_get_line_number "main ("]
set line_main_body [expr $line_main_head + 2]
# Insert some breakpoints and list them
# Also, disable some so they do not interfere with other tests
# Tests:
# -break-insert
# -break-list
# -break-disable
# -break-info
set bps {}
lappend bps [mi_create_breakpoint "main" \
"break-insert operation" \
-number 1 -func main -file ".*basics.c" \
-line $line_main_body]
lappend bps [mi_create_breakpoint "basics.c:callee2" \
"insert breakpoint at basics.c:callee2" \
-number 2 -func callee2 -file ".*basics.c" \
-line $line_callee2_body]
lappend bps [mi_create_breakpoint "basics.c:$line_callee3_head" \
"insert breakpoint at basics.c:\$line_callee3_head" \
-number 3 -func callee3 -file ".*basics.c" \
-line $line_callee3_head]
lappend bps [mi_create_breakpoint \
"\"\\\"${srcfile}\\\":$line_callee4_head\"" \
"insert breakpoint at \"<fullfilename>\":\$line_callee4_head" \
-number 4 -func callee4 -file ".*basics.c" \
-line $line_callee4_head]
mi_gdb_test "204-break-list" \
"204\\^done,[mi_make_breakpoint_table $bps]" \
"list of breakpoints"
mi_gdb_test "205-break-disable 2 3 4" \
"205\\^done.*" \
"disabling of breakpoints"
set bp2 [mi_make_breakpoint -number 2 -enabled n]
mi_gdb_test "206-break-info 2" \
"206\\^done,[mi_make_breakpoint_table [list $bp2]]"\
"list of breakpoints, 16 disabled"
}
proc test_running_the_program {} {
set line_main_head [gdb_get_line_number "main ("]
set line_main_body [expr $line_main_head + 2]
# Run the program without args, then specify srgs and rerun the program
# Tests:
# -exec-run
# -gdb-set
# mi_gdb_test cannot be used for asynchronous commands because there are
# two prompts involved and this can lead to a race condition.
# The following is equivalent to a send_gdb "000-exec-run\n"
mi_run_cmd
mi_expect_stop "breakpoint-hit" "main" "" ".*basics.c" "$line_main_body" \
{ "" "disp=\"keep\"" } "run to main"
}
proc test_controlled_execution {} {
global hex
set line_callee4_head [gdb_get_line_number "callee4 ("]
set line_callee4_body [expr $line_callee4_head + 2]
set line_callee3_head [gdb_get_line_number "callee3 ("]
set line_callee3_call [expr $line_callee3_head + 2]
set line_callee3_close_brace [expr $line_callee3_head + 3]
set line_callee1_head [gdb_get_line_number "callee1 ("]
set line_callee1_body [expr $line_callee1_head + 2]
set line_main_head [gdb_get_line_number "main ("]
set line_main_body [expr $line_main_head + 2]
# Continue execution until a breakpoint is reached, step into calls, verifying
# if the arguments are correctly shown, continue to the end of a called
# function, step over a call (next).
# Tests:
# -exec-continue
# -exec-next
# -exec-step
# -exec-finish
mi_next_to "main" "" "basics.c" [expr $line_main_body + 1] "next at main"
# FIXME: A string argument is not printed right; should be fixed and
# we should look for the right thing here.
# NOTE: The ``\\\\\"'' is for \".
mi_step_to "callee1" \
"\{name=\"intarg\",value=\"2\"\},\{name=\"strarg\",value=\"$hex \\\\\"A string argument\.\\\\\"\"\},\{name=\"fltarg\",value=\"3.5\"\}" \
"basics.c" "$line_callee1_body" "step at main"
# FIXME: A string argument is not printed right; should be fixed and
# we should look for the right thing here.
mi_execute_to "exec-step 3" "end-stepping-range" "callee4" "" \
"basics.c" $line_callee4_body "" "step to callee4"
# FIXME: A string argument is not printed right; should be fixed and
# we should look for the right thing here.
# NOTE: The ``.'' is part of ``gdb-result-var="$1"''
mi_finish_to "callee3" ".*" "basics.c" \
"($line_callee3_call|$line_callee3_close_brace)" ".1" "0" "exec-finish"
}
proc test_controlling_breakpoints {} {
# Enable, delete, set ignore counts in breakpoints
# (disable was already tested above)
# Tests:
# -break-delete
# -break-enable
# -break-after
# -break-condition
}
proc test_program_termination {} {
# Run to completion: normal and forced
# Tests:
# -exec-abort
# (normal termination of inferior)
mi_execute_to "exec-continue" "exited-normally" "" "" "" "" "" "continue to end"
}
test_breakpoints_creation_and_listing
test_running_the_program
test_controlled_execution
test_controlling_breakpoints
test_program_termination
mi_gdb_exit
return 0
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