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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
442 lines
15 KiB
Plaintext
442 lines
15 KiB
Plaintext
# Copyright 1999-2021 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}${srcfile}\""
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proc test_tbreak_creation_and_listing {} {
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global srcfile
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global line_callee4_head
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global line_callee4_body
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global line_callee3_head
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global line_callee3_body
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global line_callee2_body
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global line_main_body
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# Insert some breakpoints and list them
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# Also, disable some so they do not interfere with other tests
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# Tests:
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# -break-insert -t main
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# -break-insert -t basics.c:callee2
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# -break-insert -t basics.c:$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 test_rbreak_creation_and_listing {} {
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global line_callee4_body
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global line_callee3_body
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global line_callee2_body
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global line_callee1_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 -r main
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# -break-insert -r callee2
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# -break-insert -r callee
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# -break-insert -r .*llee
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# -break-list
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setup_kfail "*-*-*" mi/14270
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set bps {}
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lappend bps [mi_make_breakpoint -number 5 -file ".*basics.c" \
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-line $line_main_body]
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mi_gdb_test "122-break-insert -r main" \
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"122\\^done,[lindex $bps end]" \
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"break-insert -r operation"
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setup_kfail "*-*-*" mi/14270
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lappend bps [mi_make_breakpoint -number 6 -file ".*basics.c" \
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-line $line_callee2_body]
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mi_gdb_test "133-break-insert -r callee2" \
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"133\\^done,[lindex $bps end]" \
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"insert breakpoint with regexp callee2"
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setup_kfail "*-*-*" mi/14270
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set start [llength $bps]
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lappend bps [mi_make_breakpoint -number 7 -file ".*basics.c" \
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-line $line_callee1_body]
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lappend bps [mi_make_breakpoint -number 8 -file ".*basics.c" \
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-line $line_callee2_body]
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lappend bps [mi_make_breakpoint -number 9 -file ".*basics.c" \
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-line $line_callee3_body]
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lappend bps [mi_make_breakpoint -number 10 -file ".*basics.c" \
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-line $line_callee4_body]
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mi_gdb_test "144-break-insert -r callee" \
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"144\\^done,[join [lrange $bps $start end] ,]" \
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"insert breakpoint with regexp callee"
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setup_kfail "*-*-*" mi/14270
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set start [llength $bps]
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lappend bps [mi_make_breakpoint -number 11 -file ".*basics.c" \
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-line $line_callee1_body]
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lappend bps [mi_make_breakpoint -number 12 -file ".*basics.c" \
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-line $line_callee2_body]
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lappend bps [mi_make_breakpoint -number 13 -file ".*basics.c" \
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-line $line_callee3_body]
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lappend bps [mi_make_breakpoint -number 14 -file ".*basics.c" \
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-line $line_callee4_body]
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mi_gdb_test "155-break-insert -r \.\*llee" \
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"155\\^done,[join [lrange $bps $start end] ,]" \
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"insert breakpoint with regexp .*llee"
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setup_kfail "*-*-*" mi/14270
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mi_gdb_test "166-break-list" \
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"166\\^done,[mi_make_breakpoint_table $bps]" \
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"list of breakpoints"
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mi_gdb_test "177-break-delete" \
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"177\\^done" \
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"delete temp breakpoints"
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}
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proc 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 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 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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}
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proc 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 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 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 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 linespec"
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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 symbol \"foo\" in current context.*"
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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 $srcfile" \
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".*Source filename requires function, label, or line offset.*"
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}
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proc test_break {mi_mode} {
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global srcdir subdir binfile
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mi_gdb_exit
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if {$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_gdb_start $start_ops] {
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return
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}
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mi_delete_breakpoints
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mi_gdb_reinitialize_dir $srcdir/$subdir
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mi_gdb_load ${binfile}
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test_tbreak_creation_and_listing
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test_rbreak_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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}
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if [gdb_debug_enabled] {
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# gdb debug doesn't work for separate-mi-tty.
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set modes {"main"}
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} else {
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set modes {"main" "separate"}
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}
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foreach_with_prefix mi-mode $modes {
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test_break ${mi-mode}
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}
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