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# Copyright 1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008

# 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 .

#

# Test essential Machine interface (MI) operations

#

# Verify that, using the MI, we can run a simple program and perform basic

# debugging activities like: insert breakpoints, run the program,

# step, next, continue until it ends and, last but not least, quit.

#

# The goal is not to test gdb functionality, which is done by other tests,

# but to verify the correct output response to MI operations.

#

load_lib mi-support.exp

set MIFLAGS "-i=mi"

gdb_exit

if [mi_gdb_start] {

    continue

}

set testfile "basics"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } {

     untested mi-watch.exp

     return -1

}

proc test_watchpoint_creation_and_listing {type} {

    global mi_gdb_prompt

    global srcfile

    global hex

    set line_callee4_head [gdb_get_line_number "callee4 ("]

    set line_callee4_body [expr $line_callee4_head + 2]

    # Insert a watchpoint and list

    # Tests:

    # -break-watch C

    # -break-list

    mi_gdb_test "111-break-watch C" \

             "111\\^done,wpt=\{number=\"2\",exp=\"C\"\}" \

             "break-watch operation"

    mi_gdb_test "222-break-list" \

            "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\"\}\\\]\}" \

                "list of watchpoints"

}

# UNUSED at the time

proc test_awatch_creation_and_listing {type} {

    global mi_gdb_prompt

    global srcfile

    global hex

    set line_main_head [gdb_get_line_number "main ("]

    set line_main_body [expr $line_main_head + 2]

    # Insert an access watchpoint and list it

    # Tests:

    # -break-watch -a A

    # -break-list

    mi_gdb_test "333-break-watch -a A" \

             "333\\^done,bkpt=\{number=\"1\",addr=\"$hex\",file=\".*basics.c\",line=\"$line_main_body\"\}" \

             "break-watch -a operation"

    mi_gdb_test "444-break-list" \

            "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\"\},.*\}\\\]\}" \

                "list of watchpoints awatch"

    mi_gdb_test "777-break-delete 3" \

            "777\\^done" \

            "delete access watchpoint"

}

# UNUSED at the time

proc test_rwatch_creation_and_listing {type} {

    global mi_gdb_prompt

    global srcfile

    global hex

    set line_main_head [gdb_get_line_number "main ("]

    set line_main_body [expr $line_main_head + 2]

    # Insert a read watchpoint and list it.

    # Tests:

    # -break-insert -r B

    # -break-list

    mi_gdb_test "200-break-watch -r C" \

             "200\\^done,bkpt=\{number=\"5\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"callee4\",file=\".*basics.c\",line=\"$line_main_body\",times=\"0\"\}" \

             "break-insert -r operation"

    mi_gdb_test "300-break-list" \

            "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\"\},.*\}\\\}\}" \

                "list of breakpoints"

    mi_gdb_test "177-break-delete 4" \

            "177\\^done" \

            "delete read watchpoint"

}

proc test_watchpoint_triggering {type} {

    global mi_gdb_prompt

    global hex fullname_syntax srcfile

    set line_callee4_return_0     [gdb_get_line_number "return 0;"]

    set line_callee3_head         [gdb_get_line_number "callee3 ("]

    set line_callee3_close_brace  [expr $line_callee3_head + 3]

    # Continue execution until the watchpoint is reached,  continue again,

    # to see the watchpoint go out of scope.

    # Does:

    # -exec-continue (Here wp triggers)

    # -exec-continue (Here wp goes out of scope)

    send_gdb "222-exec-continue\n"

    gdb_expect {

      -re "222\\^running\r\n$mi_gdb_prompt" {

        gdb_expect {

            -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\",fullname=\"${fullname_syntax}${srcfile}\",line=\"$line_callee4_return_0\"\}\r\n$mi_gdb_prompt$" {

            pass "watchpoint trigger"

          }

          -re ".*$mi_gdb_prompt$" {fail "watchpoint trigger (2)"}

          timeout {fail "watchpoint trigger (timeout 2)"}

        }

      }

      -re ".*$mi_gdb_prompt$" {fail "watchpoint trigger (1)"}

      timeout {fail "watchpoint trigger (timeout 1)"}

    }

    if { $type == "sw" } {

      setup_xfail *-*-*

    }

    send_gdb "223-exec-continue\n"

    gdb_expect {

      -re "223\\^running\r\n$mi_gdb_prompt" {

        gdb_expect {

            -re "\[\r\n\]*223\\*stopped,reason=\"watchpoint-scope\",wpnum=\"2\",thread-id=\"\[01\]\",frame=\{addr=\"$hex\",func=\"callee3\",args=\\\[.*\\\],file=\".*basics.c\",fullname=\"${fullname_syntax}${srcfile}\",line=\"$line_callee3_close_brace\"\}\r\n$mi_gdb_prompt$" {

            pass "wp out of scope"

          }

          -re ".*$mi_gdb_prompt$" {fail "wp out of scope (2)"}

          timeout {fail "wp out of scope (timeout 2)"}

        }

      }

      -re ".*$mi_gdb_prompt$" {fail "wp out of scope (1)"}

      timeout {fail "wp out of scope (timeout 1)"}

    }

    clear_xfail *-*-*

}

proc test_watchpoint_all {type} {

    global pf_prefix

    upvar srcdir srcdir

    upvar subdir subdir

    upvar binfile binfile

    set old_prefix $pf_prefix

    lappend pf_prefix "$type:"

    mi_delete_breakpoints

    mi_gdb_reinitialize_dir $srcdir/$subdir

    mi_gdb_load ${binfile}

    mi_runto callee4

    test_watchpoint_creation_and_listing $type

    #test_rwatch_creation_and_listing $type

    #test_awatch_creation_and_listing $type

    test_watchpoint_triggering $type

    set pf_prefix $old_prefix

}

# Run the tests twice, once using software watchpoints...

mi_gdb_test "567-gdb-set can-use-hw-watchpoints 0" \

        "567\\^done" \

        "hw watchpoints toggle (1)"

test_watchpoint_all sw

mi_gdb_exit

# ... and unless requested otherwise...

if [target_info exists gdb,no_hardware_watchpoints] {

    return 0

}

mi_gdb_start

# ... once using hardware watchpoints (if available).

mi_gdb_test "890-gdb-set can-use-hw-watchpoints 1" \

        "890\\^done" \

        "hw watchpoints toggle (2)"

test_watchpoint_all hw

mi_gdb_exit

return 0