forked from Imagelibrary/binutils-gdb
292deeba7d
Introduce foreach_mi_ui_mode, a helper proc which can be used when
tests are going to be repeated once with the MI in the main UI, and
once with the MI on a separate UI.
The proc is used like this:
foreach_mi_ui_mode VAR {
# BODY
}
The BODY will be run twice, once with VAR set to 'main' and once with
VAR set to 'separate', inside BODY we can then change the behaviour
based on the current UI mode.
The point of this proc is that we sometimes shouldn't run the separate
UI tests (when gdb_debug_enabled is true), and this proc hides all
this logic. If the separate UI mode should not be used then BODY will
be run just once with VAR set to 'main'.
I've updated two tests that can make use of this helper proc. I'm
going to add another similar test in a later commit.
There should be no change to what is tested with this commit.
Approved-By: Pedro Alves <pedro@palves.net>
425 lines
14 KiB
Plaintext
425 lines
14 KiB
Plaintext
# Copyright 1999-2023 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test Machine interface (MI) operations
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#
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# Test MI breakpoint commands.
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#
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# The goal is not to test gdb functionality, which is done by other
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# tests, but to verify the correct output response to MI operations.
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load_lib mi-support.exp
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set MIFLAGS "-i=mi"
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standard_testfile basics.c
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested "failed to compile"
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return -1
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}
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# Locate line numbers in basics.c.
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set line_callee4_head [gdb_get_line_number "callee4 ("]
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set line_callee4_body [expr $line_callee4_head + 2]
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set line_callee3_head [gdb_get_line_number "callee3 ("]
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set line_callee3_body [expr $line_callee3_head + 2]
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set line_callee2_head [gdb_get_line_number "callee2 ("]
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set line_callee2_body [expr $line_callee2_head + 2]
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set line_callee1_head [gdb_get_line_number "callee1 ("]
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set line_callee1_body [expr $line_callee1_head + 2]
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set line_main_head [gdb_get_line_number "main ("]
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set line_main_body [expr $line_main_head + 2]
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set line_callme_head [gdb_get_line_number "callme ("]
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set line_callme_body [expr $line_callme_head + 2]
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set fullname "fullname=\"${fullname_syntax}${srcfile}\""
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proc_with_prefix test_tbreak_creation_and_listing {} {
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global srcfile
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global line_callee4_head
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global line_callee4_body
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global line_callee3_head
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global line_callee3_body
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global line_callee2_body
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global line_main_body
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# Insert some breakpoints and list them
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# Also, disable some so they do not interfere with other tests
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# Tests:
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# -break-insert -t main
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# -break-insert -t basics.c:callee2
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# -break-insert -t basics.c:$line_callee3_head
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# -break-insert -t srcfile:$line_callee4_head
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# -break-list
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set bps {}
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lappend bps [mi_create_breakpoint "-t main" "break-insert -t operation" \
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-number 1 -disp del -func main -file ".*basics.c" \
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-line $line_main_body]
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lappend bps [mi_create_breakpoint "-t basics.c:callee2" \
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"insert temp breakpoint at basics.c:callee2" \
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-number 2 -disp del -func callee2 -file ".*basics.c" \
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-line $line_callee2_body]
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lappend bps [mi_create_breakpoint "-t basics.c:$line_callee3_head" \
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"insert temp breakpoint at basics.c:\$line_callee3_head" \
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-number 3 -disp del -func callee3 -file ".*basics.c" \
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-line $line_callee3_body]
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# Getting the quoting right is tricky.
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# That is "\"<file>\":$line_callee4_head"
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lappend bps [mi_create_breakpoint \
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"-t \"\\\"${srcfile}\\\":$line_callee4_head\"" \
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"insert temp breakpoint at \"<fullfilename>\":\$line_callee4_head" \
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-number 4 -disp del -func callee4 -file ".*basics.c" \
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-line $line_callee4_body]
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mi_gdb_test "666-break-list" \
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"666\\\^done,[mi_make_breakpoint_table $bps]" \
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"list of breakpoints"
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mi_gdb_test "777-break-delete" \
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"777\\^done" \
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"delete temp breakpoints"
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}
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proc_with_prefix test_abreak_creation {} {
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mi_create_varobj tpnum \$tpnum "create local variable tpnum"
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# Test that $tpnum is not set before creating a tracepoint.
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mi_gdb_test "521-var-evaluate-expression tpnum" \
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"521\\^done,value=\"void\"" "eval tpnum before tracepoint"
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mi_gdb_test "522-break-insert -a main" \
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"522\\^done,[mi_make_breakpoint -number 10 -type tracepoint]" \
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"break-insert -a operation"
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mi_gdb_test "523-var-update tpnum" \
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"523\\^done,changelist=\\\[\{name=\"tpnum\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
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"update tpnum"
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# Test that $tpnum is updated after creating a tracepoint.
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mi_gdb_test "524-var-evaluate-expression tpnum" \
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"524\\^done,value=\"10\"" "eval tpnum after tracepoint"
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}
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proc_with_prefix test_ignore_count {} {
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global line_callme_body
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mi_gdb_test "-break-insert -i 1 callme" \
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"\\^done,[mi_make_breakpoint -ignore 1]" \
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"insert breakpoint with ignore count at callme"
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mi_run_cmd
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mi_expect_stop "breakpoint-hit" "callme" "\{name=\"i\",value=\"2\"\}" ".*basics.c" $line_callme_body \
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{"" "disp=\"keep\"" } "run to breakpoint with ignore count"
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}
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proc_with_prefix test_error {} {
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mi_gdb_test "-break-insert function_that_does_not_exist" \
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".*\\^error,msg=\"Function \\\\\"function_that_does_not_exist\\\\\" not defined.\"" \
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"breakpoint at nonexistent function"
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# We used to have a bug whereby -break-insert that failed would not
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# clear some event hooks. As result, whenever we evaluate expression
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# containing function call, the internal breakpoint created to handle
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# function call would be reported, messing up MI output.
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mi_gdb_test "-var-create V * return_1()" \
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"\\^done,name=\"V\",numchild=\"0\",value=\"1\",type=\"int\",has_more=\"0\"" \
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"create varobj for function call"
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mi_gdb_test "-var-update *" \
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"\\^done,changelist=\\\[\\\]" \
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"update varobj for function call"
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# Try setting breakpoints with garbage after the location.
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# "if" only works in the CLI. It's not supposed to be accepted by
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# MI. The way to specify a condition is with -c.
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mi_gdb_test "-break-insert \"callme if i < 4\"" \
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".*\\^error,msg=\"Garbage 'if i < 4' at end of location\"" \
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"breakpoint with garbage after location"
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mi_gdb_test "-break-insert -c i==4 \"callme if i < 4\"" \
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".*\\^error,msg=\"Garbage 'if i < 4' at end of location\"" \
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"conditional breakpoint with garbage after location"
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# Try using an invalid condition.
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mi_gdb_test "-break-insert -c bad callme" \
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".*\\^error,msg=\"No symbol \\\\\"bad\\\\\" in current context.\"" \
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"breakpoint with bad condition"
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mi_gdb_test "-dprintf-insert -c bad callme \"Hello\"" \
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".*\\^error,msg=\"No symbol \\\\\"bad\\\\\" in current context.\"" \
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"dprintf with bad condition"
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mi_gdb_test "-break-condition 5 bad" \
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".*\\^error,msg=\"No symbol \\\\\"bad\\\\\" in current context.\"" \
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"invalid condition"
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}
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proc_with_prefix test_disabled_creation {} {
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global line_callee2_body
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set bp [mi_make_breakpoint -number 6 -type breakpoint -disp keep \
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-enabled n -func callee2 -file ".*basics.c" \
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-line $line_callee2_body]
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mi_gdb_test "-break-insert -d basics.c:callee2" \
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"\\^done,$bp" \
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"test disabled creation"
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mi_gdb_test "-break-delete" \
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"\\^done" \
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"test disabled creation: cleanup"
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}
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proc_with_prefix test_breakpoint_commands {} {
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global line_callee2_body
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set bp_no_script \
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[mi_create_breakpoint "basics.c:callee2" \
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"breakpoint commands: insert breakpoint at basics.c:callee2" \
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-number 7 -disp keep -func callee2 -file ".*basics.c" \
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-line $line_callee2_body]
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mi_gdb_test "-break-commands 7 \"print 10\" \"continue\"" \
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"\\^done" \
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"breakpoint commands: set commands"
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# Rebuild the breakpoint regexp instead of using the one returned
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# by mi_create_breakpoint. Only in -break-info is the actual script
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# seen.
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set bp_script [mi_make_breakpoint -number 7 -disp keep -func callee2 \
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-file ".*basics.c" -line $line_callee2_body \
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-script {\["print 10","continue"\]}]
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mi_gdb_test "-break-info 7" \
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"\\^done,[mi_make_breakpoint_table [list $bp_script]]" \
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"breakpoint commands: check that commands are set"
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mi_gdb_test "-break-commands 7" \
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"\\^done" \
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"breakpoint commands: clear commands"
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mi_gdb_test "-break-info" \
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"\\^done,[mi_make_breakpoint_table [list $bp_no_script]]" \
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"breakpoint commands: check that commands are cleared"
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mi_runto_main
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mi_create_breakpoint "basics.c:callee2" \
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"breakpoint commands: insert breakpoint at basics.c:callee2, again" \
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-number 9 -disp keep -func callee2 -file ".*basics.c" \
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-line $line_callee2_body
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mi_gdb_test "-break-commands 9 \"bt\" \"set \$i=0\" \"while \$i<10\" \"print \$i\" \"set \$i=\$i+1\" \"end\" \"continue\" " \
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"\\^done" \
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"breakpoint commands: set more commands"
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mi_send_resuming_command "exec-continue" "breakpoint commands: continue"
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# The breakpoint command's output is always sent to the main UI,
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# even when testing with MI running on a secondary UI.
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global gdb_main_spawn_id
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set test "intermediate stop and continue, bp commands"
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gdb_expect {
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-i $gdb_main_spawn_id
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-re ".*callee2.*callee1.*main.*\\\$1 = 0.*\\\$10 = 9" {
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pass $test
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}
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timeout {
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fail $test
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}
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}
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set test "intermediate stop and continue, mi running"
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gdb_expect {
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-re "\\*running" {
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pass $test
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}
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timeout {
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fail $test
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}
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}
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mi_expect_stop "exited-normally" "" "" "" "" "" "test hitting breakpoint with commands"
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}
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# Test explicit breakpoints. These tests only test the MI portion of the
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# code. In-depth testing of explicit breakpoints is accomplished in
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# gdb.linespec tests.
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proc_with_prefix test_explicit_breakpoints {} {
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global srcfile
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global line_callee3_head line_callee4_head
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global line_callee3_body line_callee4_body
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global line_callee2_body line_main_body
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mi_delete_breakpoints
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# First check mixed explicit/parsed linespecs.
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mi_gdb_test "-break-insert --function main $srcfile:$line_callee3_head" \
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".*Garbage following explicit location.*"
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# Insert some breakpoints and list them
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# Also, disable some so they do not interfere with other tests
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# Tests:
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# -break-insert -t --function main
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# -break-insert -t --source basics.c --function callee2
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# -break-insert -t --source basics.c --line $line_callee3_head
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# -break-insert -t --source srcfile --line $line_callee4_head
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# -break-list
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set bps {}
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lappend bps [mi_create_breakpoint "-t --function main" \
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"insert temp explicit breakpoint in main" \
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-func main -file ".*$srcfile" -line $line_main_body]
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lappend bps \
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[mi_create_breakpoint "-t --source $srcfile --function callee2" \
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"insert temp explicit breakpoint at $srcfile:callee2" \
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-func callee2 -file ".*$srcfile" -line $line_callee2_body]
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lappend bps \
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[mi_create_breakpoint "-t --source $srcfile --line $line_callee3_head" \
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"insert temp explicit breakpoint at $srcfile:$line_callee3_head" \
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-func callee3 -file ".*$srcfile" -line $line_callee3_body]
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lappend bps \
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[mi_create_breakpoint \
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"-t --source \"$srcfile\" --line $line_callee4_head" \
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"insert temp explicit breakpoint at \"$srcfile\":$line_callee4_head" \
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-func callee4 -file ".*$srcfile" -line $line_callee4_body]
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mi_gdb_test "-break-list" "\\^done,[mi_make_breakpoint_table $bps]" \
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"list of explicit breakpoints"
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mi_gdb_test "-break-delete" \
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"\\^done" \
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"delete temp breakpoints"
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mi_create_breakpoint "-c \"intarg == 3\" --function callee2" \
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"insert explicit conditional breakpoint in callee2" \
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-func callee2 ".*$srcfile" -line $line_callee2_body \
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-cond "intarg == 3"
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# mi_create_breakpoint cannot deal with displaying canonical
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# linespecs.
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mi_gdb_test \
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"-break-insert -c \"foo == 3\" --source $srcfile --function main --label label" \
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".*No label .*label.* defined in function .*main.*"
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mi_gdb_test \
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"-break-insert --source foobar.c --line 3" \
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".*No source file named foobar.c.*"
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mi_gdb_test \
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"-break-insert --source $srcfile --function foobar" \
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".*Function .*foobar.* not defined in .*$srcfile.*"
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mi_gdb_test \
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"-break-insert --source $srcfile --function main --label foobar" \
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".*No label .*foobar.* defined in function .*main.*"
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mi_gdb_test \
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"-break-insert --source $srcfile" \
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".*-break-insert: --source option requires --function, --label, or --line.*"
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}
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# Test forcing an invalid condition.
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proc_with_prefix test_forced_conditions {} {
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set warning ".*warning: failed to validate condition .* disabling.*"
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set loc [mi_make_breakpoint_loc -enabled "N"]
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set args [list -cond "bad" -locations "\\\[$loc\\\]"]
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set bp [eval mi_make_breakpoint_multi $args]
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mi_gdb_test "-break-insert -c bad --force-condition callme" \
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"${warning}\\^done,$bp" \
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"breakpoint with forced condition"
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mi_gdb_test "-dprintf-insert -c bad --force-condition callme \"Hello\"" \
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"${warning}\\^done,$bp" \
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"dprintf with forced condition"
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# Define a plain breakpoint first, and a condition later.
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mi_create_breakpoint "callme" "define a bp" ""
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mi_gdb_test "-break-condition --force 16 bad == 42" \
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"${warning}\\^done" \
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"invalid condition is forced"
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set args [list -cond "bad == 42" -locations "\\\[$loc\\\]"]
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set bp [eval mi_make_breakpoint_multi $args]
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mi_gdb_test "-break-info 16" \
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"\\^done,[mi_make_breakpoint_table [list $bp]]" \
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"invalid condition is defined"
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# No cond argument should clear the condition.
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mi_gdb_test "-break-condition 16" \
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"~\"Breakpoint 16's condition is now valid at location 1, enabling.*\\^done" \
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"clear the condition"
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set bp [mi_make_breakpoint -number 16]
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mi_gdb_test "-break-info 16" \
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"\\^done,[mi_make_breakpoint_table [list $bp]]" \
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"condition is cleared"
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# Zero-argument is an error.
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mi_gdb_test "-break-condition" \
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"\\^error,msg=\"-break-condition: Missing the <number> argument\"" \
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"no arguments to -break-condition"
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# Passing --force with no condition should not crash or raise an error.
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mi_gdb_test "-break-condition --force 16" \
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"\\^done" \
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"clear the condition with --force"
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mi_gdb_test "-break-condition --force" \
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"\\^error,msg=\"-break-condition: Missing the <number> argument\"" \
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"no arguments with --force"
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}
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proc test_break {mi_mode} {
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global srcdir subdir binfile
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if {$mi_mode == "separate"} {
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set start_ops "separate-mi-tty"
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} else {
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set start_ops ""
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}
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if [mi_clean_restart $binfile $start_ops ] {
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return
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}
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test_tbreak_creation_and_listing
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test_ignore_count
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test_error
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test_disabled_creation
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test_breakpoint_commands
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test_abreak_creation
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test_explicit_breakpoints
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test_forced_conditions
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}
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foreach_mi_ui_mode mi-mode {
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test_break ${mi-mode}
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}
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