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# Copyright 1999-2016 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 Machine interface (MI) operations
#
# Test MI breakpoint commands.
#
# 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"
standard_testfile basics.c
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
untested mi-break.exp
return -1
}
# Locate line numbers in basics.c.
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_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]
set line_callme_head [gdb_get_line_number "callme ("]
set line_callme_body [expr $line_callme_head + 2]
set fullname "fullname=\"${fullname_syntax}${srcfile}\""
proc test_tbreak_creation_and_listing {} {
global srcfile
global line_callee4_head
global line_callee3_head
global line_callee2_body
global line_main_body
# Insert some breakpoints and list them
# Also, disable some so they do not interfere with other tests
# Tests:
# -break-insert -t main
# -break-insert -t basics.c:callee2
# -break-insert -t basics.c:$line_callee3_head
# -break-insert -t srcfile:$line_callee4_head
# -break-list
set bps {}
lappend bps [mi_create_breakpoint "-t main" "break-insert -t operation" \
-number 1 -disp del -func main -file ".*basics.c" \
-line $line_main_body]
lappend bps [mi_create_breakpoint "-t basics.c:callee2" \
"insert temp breakpoint at basics.c:callee2" \
-number 2 -disp del -func callee2 -file ".*basics.c" \
-line $line_callee2_body]
lappend bps [mi_create_breakpoint "-t basics.c:$line_callee3_head" \
"insert temp breakpoint at basics.c:\$line_callee3_head" \
-number 3 -disp del -func callee3 -file ".*basics.c" \
-line $line_callee3_head]
# Getting the quoting right is tricky.
# That is "\"<file>\":$line_callee4_head"
lappend bps [mi_create_breakpoint \
"-t \"\\\"${srcfile}\\\":$line_callee4_head\"" \
"insert temp breakpoint at \"<fullfilename>\":\$line_callee4_head" \
-number 4 -disp del -func callee4 -file ".*basics.c" \
-line $line_callee4_head]
mi_gdb_test "666-break-list" \
"666\\\^done,[mi_make_breakpoint_table $bps]" \
"list of breakpoints"
mi_gdb_test "777-break-delete" \
"777\\^done" \
"delete temp breakpoints"
}
proc test_rbreak_creation_and_listing {} {
global line_callee4_body
global line_callee3_body
global line_callee2_body
global line_callee1_body
global line_main_body
# Insert some breakpoints and list them
# Also, disable some so they do not interfere with other tests
# Tests:
# -break-insert -r main
# -break-insert -r callee2
# -break-insert -r callee
# -break-insert -r .*llee
# -break-list
setup_kfail "*-*-*" mi/14270
set bps {}
lappend bps [mi_make_breakpoint -number 5 -file ".*basics.c" \
-line $line_main_body]
mi_gdb_test "122-break-insert -r main" \
"122\\^done,[lindex $bps end]" \
"break-insert -r operation"
setup_kfail "*-*-*" mi/14270
lappend bps [mi_make_breakpoint -number 6 -file ".*basics.c" \
-line $line_callee2_body]
mi_gdb_test "133-break-insert -r callee2" \
"133\\^done,[lindex $bps end]" \
"insert breakpoint with regexp callee2"
setup_kfail "*-*-*" mi/14270
set start [llength $bps]
lappend bps [mi_make_breakpoint -number 7 -file ".*basics.c" \
-line $line_callee1_body]
lappend bps [mi_make_breakpoint -number 8 -file ".*basics.c" \
-line $line_callee2_body]
lappend bps [mi_make_breakpoint -number 9 -file ".*basics.c" \
-line $line_callee3_body]
lappend bps [mi_make_breakpoint -number 10 -file ".*basics.c" \
-line $line_callee4_body]
mi_gdb_test "144-break-insert -r callee" \
"144\\^done,[join [lrange $bps $start end] ,]" \
"insert breakpoint with regexp callee"
setup_kfail "*-*-*" mi/14270
set start [llength $bps]
lappend bps [mi_make_breakpoint -number 11 -file ".*basics.c" \
-line $line_callee1_body]
lappend bps [mi_make_breakpoint -number 12 -file ".*basics.c" \
-line $line_callee2_body]
lappend bps [mi_make_breakpoint -number 13 -file ".*basics.c" \
-line $line_callee3_body]
lappend bps [mi_make_breakpoint -number 14 -file ".*basics.c" \
-line $line_callee4_body]
mi_gdb_test "155-break-insert -r \.\*llee" \
"155\\^done,[join [lrange $bps $start end] ,]" \
"insert breakpoint with regexp .*llee"
setup_kfail "*-*-*" mi/14270
mi_gdb_test "166-break-list" \
"166\\^done,[mi_make_breakpoint_table $bps]" \
"list of breakpoints"
mi_gdb_test "177-break-delete" \
"177\\^done" \
"delete temp breakpoints"
}
proc test_abreak_creation {} {
mi_create_varobj tpnum \$tpnum "create local variable tpnum"
# Test that $tpnum is not set before creating a tracepoint.
mi_gdb_test "521-var-evaluate-expression tpnum" \
"521\\^done,value=\"void\"" "eval tpnum before tracepoint"
mi_gdb_test "522-break-insert -a main" \
"522\\^done,[mi_make_breakpoint -number 10 -type tracepoint]" \
"break-insert -a operation"
mi_gdb_test "523-var-update tpnum" \
"523\\^done,changelist=\\\[\{name=\"tpnum\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
"update tpnum"
# Test that $tpnum is updated after creating a tracepoint.
mi_gdb_test "524-var-evaluate-expression tpnum" \
"524\\^done,value=\"10\"" "eval tpnum after tracepoint"
}
proc test_ignore_count {} {
global line_callme_body
mi_gdb_test "-break-insert -i 1 callme" \
"\\^done,[mi_make_breakpoint -ignore 1]" \
"insert breakpoint with ignore count at callme"
mi_run_cmd
mi_expect_stop "breakpoint-hit" "callme" "\{name=\"i\",value=\"2\"\}" ".*basics.c" $line_callme_body \
{"" "disp=\"keep\"" } "run to breakpoint with ignore count"
}
proc test_error {} {
mi_gdb_test "-break-insert function_that_does_not_exist" \
".*\\^error,msg=\"Function \\\\\"function_that_does_not_exist\\\\\" not defined.\"" \
"breakpoint at nonexistent function"
# We used to have a bug whereby -break-insert that failed would not
# clear some event hooks. As result, whenever we evaluate expression
# containing function call, the internal breakpoint created to handle
# function call would be reported, messing up MI output.
mi_gdb_test "-var-create V * return_1()" \
"\\^done,name=\"V\",numchild=\"0\",value=\"1\",type=\"int\",has_more=\"0\"" \
"create varobj for function call"
mi_gdb_test "-var-update *" \
"\\^done,changelist=\\\[\\\]" \
"update varobj for function call"
# Try setting breakpoints with garbage after the location.
# "if" only works in the CLI. It's not supposed to be accepted by
# MI. The way to specify a condition is with -c.
mi_gdb_test "-break-insert \"callme if i < 4\"" \
".*\\^error,msg=\"Garbage 'if i < 4' at end of location\"" \
"breakpoint with garbage after location"
mi_gdb_test "-break-insert -c i==4 \"callme if i < 4\"" \
".*\\^error,msg=\"Garbage 'if i < 4' at end of location\"" \
"conditional breakpoint with garbage after location"
}
proc test_disabled_creation {} {
global line_callee2_body
set bp [mi_make_breakpoint -number 6 -type breakpoint -disp keep \
-enabled n -func callee2 -file ".*basics.c" \
-line $line_callee2_body]
mi_gdb_test "-break-insert -d basics.c:callee2" \
"\\^done,$bp" \
"test disabled creation"
mi_gdb_test "-break-delete" \
"\\^done" \
"test disabled creation: cleanup"
}
proc test_breakpoint_commands {} {
global line_callee2_body
set bp_no_script \
[mi_create_breakpoint "basics.c:callee2" \
"breakpoint commands: insert breakpoint at basics.c:callee2" \
-number 7 -disp keep -func callee2 -file ".*basics.c" \
-line $line_callee2_body]
mi_gdb_test "-break-commands 7 \"print 10\" \"continue\"" \
"\\^done" \
"breakpoint commands: set commands"
# Rebuild the breakpoint regexp instead of using the one returned
# by mi_create_breakpoint. Only in -break-info is the actual script
# seen.
set bp_script [mi_make_breakpoint -number 7 -disp keep -func callee2 \
-file ".*basics.c" -line $line_callee2_body \
-script {\{"print 10","continue"\}}]
mi_gdb_test "-break-info 7" \
"\\^done,[mi_make_breakpoint_table [list $bp_script]]" \
"breakpoint commands: check that commands are set"
mi_gdb_test "-break-commands 7" \
"\\^done" \
"breakpoint commands: clear commands"
mi_gdb_test "-break-info" \
"\\^done,[mi_make_breakpoint_table [list $bp_no_script]]" \
"breakpoint commands: check that commands are cleared"
mi_run_to_main
mi_create_breakpoint "basics.c:callee2" \
"breakpoint commands: insert breakpoint at basics.c:callee2, again" \
-number 9 -disp keep -func callee2 -file ".*basics.c" \
-line $line_callee2_body
mi_gdb_test "-break-commands 9 \"set \$i=0\" \"while \$i<10\" \"print \$i\" \"set \$i=\$i+1\" \"end\" \"continue\" " \
"\\^done" \
"breakpoint commands: set commands"
mi_send_resuming_command "exec-continue" "breakpoint commands: continue"
# The breakpoint command's output is always sent to the main UI,
# even when testing with MI running on a secondary UI.
global gdb_main_spawn_id
set test "intermediate stop and continue, bp commands"
gdb_expect {
-i $gdb_main_spawn_id
-re ".*\\\$1 = 0.*\\\$10 = 9" {
pass $test
}
timeout {
fail $test
}
}
set test "intermediate stop and continue, mi running"
gdb_expect {
-re "\\*running" {
pass $test
}
timeout {
fail $test
}
}
mi_expect_stop "exited-normally" "" "" "" "" "" "test hitting breakpoint with commands"
}
# Test explicit breakpoints. These tests only test the MI portion of the
# code. In-depth testing of explicit breakpoints is accomplished in
# gdb.linespec tests.
proc test_explicit_breakpoints {} {
global srcfile
global line_callee3_head line_callee4_head
global line_callee2_body line_main_body
mi_delete_breakpoints
# First check mixed explicit/parsed linespecs.
mi_gdb_test "-break-insert --function main $srcfile:$line_callee3_head" \
".*Garbage following explicit linespec"
# Insert some breakpoints and list them
# Also, disable some so they do not interfere with other tests
# Tests:
# -break-insert -t --function main
# -break-insert -t --source basics.c --function callee2
# -break-insert -t --source basics.c --line $line_callee3_head
# -break-insert -t --source srcfile --line $line_callee4_head
# -break-list
set bps {}
lappend bps [mi_create_breakpoint "-t --function main" \
"insert temp explicit breakpoint in main" \
-func main -file ".*$srcfile" -line $line_main_body]
lappend bps \
[mi_create_breakpoint "-t --source $srcfile --function callee2" \
"insert temp explicit breakpoint at $srcfile:callee2" \
-func callee2 -file ".*$srcfile" -line $line_callee2_body]
lappend bps \
[mi_create_breakpoint "-t --source $srcfile --line $line_callee3_head" \
"insert temp explicit breakpoint at $srcfile:$line_callee3_head" \
-func callee3 -file ".*$srcfile" -line $line_callee3_head]
lappend bps \
[mi_create_breakpoint \
"-t --source \"$srcfile\" --line $line_callee4_head" \
"insert temp explicit breakpoint at \"$srcfile\":$line_callee4_head" \
-func callee4 -file ".*$srcfile" -line $line_callee4_head]
mi_gdb_test "-break-list" "\\^done,[mi_make_breakpoint_table $bps]" \
"list of explicit breakpoints"
mi_gdb_test "-break-delete" \
"\\^done" \
"delete temp breakpoints"
mi_create_breakpoint "-c \"intarg == 3\" --function callee2" \
"insert explicit conditional breakpoint in callee2" \
-func callee2 ".*$srcfile" -line $line_callee2_body \
-cond "intarg == 3"
# mi_create_breakpoint cannot deal with displaying canonical
# linespecs.
mi_gdb_test \
"-break-insert -c \"foo == 3\" --source $srcfile --function main --label label" \
".*No symbol \"foo\" in current context.*"
mi_gdb_test \
"-break-insert --source foobar.c --line 3" \
".*No source file named foobar.c.*"
mi_gdb_test \
"-break-insert --source $srcfile --function foobar" \
".*Function \"foobar\" not defined in \"$srcfile\".*"
mi_gdb_test \
"-break-insert --source $srcfile --function main --label foobar" \
".*No label \"foobar\" defined in function \"main\".*"
mi_gdb_test \
"-break-insert --source $srcfile" \
".*Source filename requires function, label, or line offset.*"
}
proc test_break {mi_mode} {
global srcdir subdir binfile
mi_gdb_exit
if {$mi_mode == "separate"} {
set start_ops "separate-mi-tty"
} else {
set start_ops ""
}
if [mi_gdb_start $start_ops] {
return
}
mi_delete_breakpoints
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load ${binfile}
test_tbreak_creation_and_listing
test_rbreak_creation_and_listing
test_ignore_count
test_error
test_disabled_creation
test_breakpoint_commands
test_abreak_creation
test_explicit_breakpoints
}
foreach_with_prefix mi-mode {"main" "separate"} {
test_break ${mi-mode}
}
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