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jeremybenn |
# Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008
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# 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 .
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#
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# Test essential Machine interface (MI) operations
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#
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# Verify that, using the MI, we can run a simple program and perform basic
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# debugging activities like: insert breakpoints, run the program,
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# step, next, continue until it ends and, last but not least, quit.
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#
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# The goal is not to test gdb functionality, which is done by other tests,
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# but to verify the correct output response to MI operations.
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#
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load_lib mi-support.exp
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set MIFLAGS "-i=mi2"
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gdb_exit
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if [mi_gdb_start] {
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continue
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}
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set testfile "basics"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } {
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untested mi2-watch.exp
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return -1
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}
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proc test_watchpoint_creation_and_listing {type} {
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global mi_gdb_prompt
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global srcfile
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global hex
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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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# Insert a watchpoint and list
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# Tests:
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# -break-watch C
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# -break-list
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mi_gdb_test "111-break-watch C" \
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"111\\^done,wpt=\{number=\"2\",exp=\"C\"\}" \
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"break-watch operation"
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mi_gdb_test "222-break-list" \
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"222\\\^done,BreakpointTable=\{nr_rows=\".\",nr_cols=\".\",hdr=\\\[\{width=\".*\",alignment=\".*\",col_name=\"number\",colhdr=\"Num\"\}.*colhdr=\"Type\".*colhdr=\"Disp\".*colhdr=\"Enb\".*colhdr=\"Address\".*colhdr=\"What\".*\\\],body=\\\[bkpt=\{number=\"2\",type=\".*watchpoint\",disp=\"keep\",enabled=\"y\",addr=\"\",what=\"C\",times=\"0\"\}\\\]\}" \
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"list of watchpoints"
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}
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# UNUSED at the time
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proc test_awatch_creation_and_listing {type} {
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global mi_gdb_prompt
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global srcfile
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global hex
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set line_main_head [gdb_get_line_number "main ("]
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set line_main_body [expr $line_main_head + 2]
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# Insert an access watchpoint and list it
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# Tests:
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# -break-watch -a A
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# -break-list
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mi_gdb_test "333-break-watch -a A" \
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"333\\^done,bkpt=\{number=\"1\",addr=\"$hex\",file=\".*basics.c\",line=\"$line_main_body\"\}" \
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"break-watch -a operation"
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mi_gdb_test "444-break-list" \
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"444\\^done,BreakpointTable=\{.*,hdr=\\\[.*\\\],body=\\\[bkpt=\{number=\"3\",type=\"watchpoint\",disp=\"del\",enabled=\"y\",addr=\"$hex\",func=\"main\",file=\".*basics.c\",line=\"$line_main_body\",times=\"0\"\},.*\}\\\]\}" \
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"list of watchpoints awatch"
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mi_gdb_test "777-break-delete 3" \
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"777\\^done" \
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"delete access watchpoint"
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}
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# UNUSED at the time
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proc test_rwatch_creation_and_listing {type} {
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global mi_gdb_prompt
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global srcfile
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global hex
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set line_main_head [gdb_get_line_number "main ("]
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set line_main_body [expr $line_main_head + 2]
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# Insert a read watchpoint and list it.
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# Tests:
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# -break-insert -r B
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# -break-list
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mi_gdb_test "200-break-watch -r C" \
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"200\\^done,bkpt=\{number=\"5\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"callee4\",file=\".*basics.c\",line=\"$line_main_body\",times=\"0\"\}" \
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"break-insert -r operation"
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mi_gdb_test "300-break-list" \
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"300\\^done,BreakpointTable=\{.*,hdr=\\\[.*\\\],body=\\\[bkpt=\{number=\"5\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"main\",file=\".*basics.c\",line=\"$line_main_body\",times=\"0\"\},.*\}\\\}\}" \
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"list of breakpoints"
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mi_gdb_test "177-break-delete 4" \
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"177\\^done" \
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"delete read watchpoint"
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}
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proc test_watchpoint_triggering {type} {
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global mi_gdb_prompt
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global hex
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set line_callee4_return_0 [gdb_get_line_number "return 0;"]
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set line_callee3_head [gdb_get_line_number "callee3 ("]
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set line_callee3_close_brace [expr $line_callee3_head + 3]
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# Continue execution until the watchpoint is reached, continue again,
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# to see the watchpoint go out of scope.
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# Does:
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# -exec-continue (Here wp triggers)
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# -exec-continue (Here wp goes out of scope)
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send_gdb "222-exec-continue\n"
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gdb_expect {
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-re "222\\^running\r\n$mi_gdb_prompt" {
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gdb_expect {
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-re "222\\*stopped,reason=\"watchpoint-trigger\",wpt=\{number=\"2\",exp=\"C\"\},value=\{old=\".*\",new=\"3\"\},thread-id=\"\[01\]\",frame=\{addr=\"$hex\",func=\"callee4\",args=\\\[\\\],file=\".*basics.c\",line=\"$line_callee4_return_0\"\}\r\n$mi_gdb_prompt$" {
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pass "watchpoint trigger"
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}
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-re ".*$mi_gdb_prompt$" {fail "watchpoint trigger (2)"}
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timeout {fail "watchpoint trigger (timeout 2)"}
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}
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}
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-re ".*$mi_gdb_prompt$" {fail "watchpoint trigger (1)"}
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timeout {fail "watchpoint trigger (timeout 1)"}
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}
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if { $type == "sw" } {
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setup_xfail *-*-*
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}
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send_gdb "223-exec-continue\n"
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gdb_expect {
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-re "223\\^running\r\n$mi_gdb_prompt" {
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gdb_expect {
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-re "\[\r\n\]*223\\*stopped,reason=\"watchpoint-scope\",wpnum=\"2\",thread-id=\"\[01\]\",frame=\{addr=\"$hex\",func=\"callee3\",args=\\\[.*\\\],file=\".*basics.c\",line=\"$line_callee3_close_brace\"\}\r\n$mi_gdb_prompt$" {
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pass "wp out of scope"
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}
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-re ".*$mi_gdb_prompt$" {fail "wp out of scope (2)"}
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timeout {fail "wp out of scope (timeout 2)"}
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}
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}
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-re ".*$mi_gdb_prompt$" {fail "wp out of scope (1)"}
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timeout {fail "wp out of scope (timeout 1)"}
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}
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clear_xfail *-*-*
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}
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proc test_watchpoint_all {type} {
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global pf_prefix
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upvar srcdir srcdir
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upvar subdir subdir
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upvar binfile binfile
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set old_prefix $pf_prefix
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lappend pf_prefix "$type:"
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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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mi_runto callee4
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test_watchpoint_creation_and_listing $type
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#test_rwatch_creation_and_listing $type
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#test_awatch_creation_and_listing $type
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test_watchpoint_triggering $type
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set pf_prefix $old_prefix
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}
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# Run the tests twice, once using software watchpoints...
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mi_gdb_test "567-gdb-set can-use-hw-watchpoints 0" \
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"567\\^done" \
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"hw watchpoints toggle (1)"
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test_watchpoint_all sw
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mi_gdb_exit
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# ... and unless requested otherwise...
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if [target_info exists gdb,no_hardware_watchpoints] {
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return 0
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}
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mi_gdb_start
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# ... once using hardware watchpoints (if available).
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mi_gdb_test "890-gdb-set can-use-hw-watchpoints 1" \
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"890\\^done" \
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"hw watchpoints toggle (2)"
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test_watchpoint_all hw
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mi_gdb_exit
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return 0
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