Subversion Repositories openrisc

#   Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,

#   2000, 2002, 2003, 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 .

# Please email any bugs, comments, and/or additions to this file to:

# bug-gdb@prep.ai.mit.edu

# This file was written by Rob Savoye. (rob@cygnus.com)

if $tracelevel then {

    strace $tracelevel

}

#

# test running programs

#

set prms_id 0

set bug_id 0

set testfile "break"

set srcfile ${testfile}.c

set srcfile1 ${testfile}1.c

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

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object {debug nowarnings}] != "" } {

     untested break.exp

     return -1

}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object {debug nowarnings}] != "" } {

     untested break.exp

     return -1

}

if  { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug nowarnings}] != "" } {

     untested break.exp

     return -1

}

if [get_compiler_info ${binfile}] {

    return -1

}

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

if [target_info exists gdb_stub] {

    gdb_step_for_stub;

}

#

# test simple breakpoint setting commands

#

# Test deleting all breakpoints when there are none installed,

# GDB should not prompt for confirmation.

# Note that lib/gdb.exp provides a "delete_breakpoints" proc

# for general use elsewhere.

send_gdb "delete breakpoints\n"

gdb_expect {

     -re "Delete all breakpoints.*$" {

            send_gdb "y\n"

            gdb_expect {

                -re "$gdb_prompt $" {

                    fail "Delete all breakpoints when none (unexpected prompt)"

                }

                timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }

            }

        }

     -re ".*$gdb_prompt $"       { pass "Delete all breakpoints when none" }

    timeout                 { fail "Delete all breakpoints when none (timeout)" }

}

#

# test break at function

#

gdb_test "break main" \

    "Breakpoint.*at.* file .*$srcfile, line.*" \

    "breakpoint function"

#

# test break at quoted function

#

gdb_test "break \"marker2\"" \

    "Breakpoint.*at.* file .*$srcfile1, line.*" \

    "breakpoint quoted function"

#

# test break at function in file

#

gdb_test "break $srcfile:factorial" \

    "Breakpoint.*at.* file .*$srcfile, line.*" \

    "breakpoint function in file"

set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]

#

# test break at line number

#

# Note that the default source file is the last one whose source text

# was printed.  For native debugging, before we've executed the

# program, this is the file containing main, but for remote debugging,

# it's wherever the processor was stopped when we connected to the

# board.  So, to be sure, we do a list command.

#

gdb_test "list main" \

    ".*main \\(argc, argv, envp\\).*" \

    "use `list' to establish default source file"

gdb_test "break $bp_location1" \

    "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \

    "breakpoint line number"

#

# test duplicate breakpoint

#

gdb_test "break $bp_location1" \

    "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \

    "breakpoint duplicate"

set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]

#

# test break at line number in file

#

gdb_test "break $srcfile:$bp_location2" \

    "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \

    "breakpoint line number in file"

set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]

set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]

#

# Test putting a break at the start of a multi-line if conditional.

# Verify the breakpoint was put at the start of the conditional.

#

gdb_test "break multi_line_if_conditional" \

    "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \

    "breakpoint at start of multi line if conditional"

gdb_test "break multi_line_while_conditional" \

    "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \

    "breakpoint at start of multi line while conditional"

set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]

set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]

#

# check to see what breakpoints are set

#

if [target_info exists gdb_stub] {

    set main_line $bp_location5

} else {

    set main_line $bp_location6

}

if {$hp_aCC_compiler} {

    set proto "\\(int\\)"

} else {

    set proto ""

}

set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]

set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]

set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]

gdb_test "info break" \

    "Num     Type\[ \]+Disp Enb Address\[ \]+What.*

\[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*

\[0-9\]+\[\t \]+breakpoint     keep y.* in marker2 at .*$srcfile1:($bp_location8|$bp_location9).*

\[0-9\]+\[\t \]+breakpoint     keep y.* in factorial$proto at .*$srcfile:$bp_location7.*

\[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*

\[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*

\[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location2.*

\[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*

\[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \

    "breakpoint info"

# FIXME: The rest of this test doesn't work with anything that can't

# handle arguments.

# Huh? There doesn't *appear* to be anything that passes arguments

# below.

if [istarget "mips-idt-*"] then {

    return

}

#

# run until the breakpoint at main is hit. For non-stubs-using targets.

#

gdb_run_cmd

gdb_expect {

    -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {

        pass "run until function breakpoint"

    }

    -re "$gdb_prompt $" {

        fail "run until function breakpoint"

    }

    timeout {

        fail "run until function breakpoint (timeout)"

    }

}

#

# run until the breakpoint at a line number

#

gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \

                        "run until breakpoint set at a line number"

#

# Run until the breakpoint set in a function in a file

#

for {set i 6} {$i >= 1} {incr i -1} {

        gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \

                        "run until file:function($i) breakpoint"

}

#

# Run until the breakpoint set at a quoted function

#

gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:($bp_location8|$bp_location9).*" \

                "run until quoted breakpoint"

#

# run until the file:function breakpoint at a line number in a file

#

gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \

                "run until file:linenum breakpoint"

# Test break at offset +1

set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]

gdb_test "break +1" \

    "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \

    "breakpoint offset +1"

# Check to see if breakpoint is hit when stepped onto

gdb_test "step" \

    ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \

    "step onto breakpoint"

# Check to see if breakpoint can be set on ending brace of function

set bp_location10a [gdb_get_line_number "set breakpoint 10a here"]

gdb_test "break $bp_location10a" \

    "Breakpoint.*at.* file .*$srcfile, line $bp_location10a\\." \

    "setting breakpoint at }"

gdb_test "continue" \

    ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10a.*$bp_location10a\[\t \]+}.*breakpoint 10a here.*" \

    "continue to breakpoint at }"

#

# delete all breakpoints so we can start over, course this can be a test too

#

delete_breakpoints

#

# test temporary breakpoint at function

#

gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"

#

# test break at function in file

#

gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \

        "Temporary breakpoint function in file"

#

# test break at line number

#

send_gdb "tbreak $bp_location1\n"

gdb_expect {

    -re "Breakpoint.*at.* file .*$srcfile, line $bp_location1.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }

        -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number #1" }

        timeout     { fail "breakpoint line number #1 (timeout)" }

}

gdb_test "tbreak $bp_location6" "Breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"

#

# test break at line number in file

#

send_gdb "tbreak $srcfile:$bp_location2\n"

gdb_expect {

    -re "Breakpoint.*at.* file .*$srcfile, line $bp_location2.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }

        -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number in file #1" }

        timeout     { fail "Temporary breakpoint line number in file #1 (timeout)" }

}

set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]

gdb_test  "tbreak $srcfile:$bp_location11" "Breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"

#

# check to see what breakpoints are set (temporary this time)

#

gdb_test "info break" "Num     Type.*Disp Enb Address.*What.*\[\r\n\]

\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]

\[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial$proto at .*$srcfile:$bp_location7.*\[\r\n\]

\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]

\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]

\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]

\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location11.*" \

    "Temporary breakpoint info"

#***********

# Verify that catchpoints for fork, vfork and exec don't trigger

# inappropriately.  (There are no calls to those system functions

# in this test program.)

#

if ![runto_main] then { fail "break tests suppressed" }

send_gdb "catch\n"

gdb_expect {

  -re "Catch requires an event name.*$gdb_prompt $"\

          {pass "catch requires an event name"}

  -re "$gdb_prompt $"\

          {fail "catch requires an event name"}

  timeout {fail "(timeout) catch requires an event name"}

}

set name "set catch fork, never expected to trigger"

send_gdb "catch fork\n"

gdb_expect {

  -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"

          {pass $name}

  -re "Catch of fork not yet implemented.*$gdb_prompt $"

          {pass $name}

  -re "$gdb_prompt $"

          {fail $name}

  timeout {fail "(timeout) $name"}

}

set name "set catch vfork, never expected to trigger"

send_gdb "catch vfork\n"

# If we are on HP-UX 10.20, we expect an error message to be

# printed if we type "catch vfork" at the gdb gdb_prompt.  This is

# because on HP-UX 10.20, we cannot catch vfork events.

if [istarget "hppa*-hp-hpux10.20"] then {

    gdb_expect {

        -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"

                {pass $name}

        -re "$gdb_prompt $"

                {fail $name}

        timeout {fail "(timeout) $name"}

    }

} else {

    gdb_expect {

        -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"

                {pass $name}

        -re "Catch of vfork not yet implemented.*$gdb_prompt $"

                {pass $name}

        -re "$gdb_prompt $"

                {fail $name}

        timeout {fail "(timeout) $name"}

    }

}

set name "set catch exec, never expected to trigger"

send_gdb "catch exec\n"

gdb_expect {

  -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"

          {pass $name}

  -re "Catch of exec not yet implemented.*$gdb_prompt $"

          {pass $name}

  -re "$gdb_prompt $" {fail $name}

  timeout {fail "(timeout) $name"}

}

# Verify that GDB responds gracefully when asked to set a breakpoint

# on a nonexistent source line.

#

send_gdb "break 999\n"

gdb_expect {

  -re "No line 999 in file .*$gdb_prompt $"\

          {pass "break on non-existent source line"}

  -re "$gdb_prompt $"\

          {fail "break on non-existent source line"}

  timeout {fail "(timeout) break on non-existent source line"}

}

# Run to the desired default location. If not positioned here, the

# tests below don't work.

#

gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1"

# Verify that GDB allows one to just say "break", which is treated

# as the "default" breakpoint.  Note that GDB gets cute when printing

# the informational message about other breakpoints at the same

# location.  We'll hit that bird with this stone too.

#

send_gdb "break\n"

gdb_expect {

  -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\

          {pass "break on default location, 1st time"}

  -re "$gdb_prompt $"\

          {fail "break on default location, 1st time"}

  timeout {fail "(timeout) break on default location, 1st time"}

}

send_gdb "break\n"

gdb_expect {

  -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\

          {pass "break on default location, 2nd time"}

  -re "$gdb_prompt $"\

          {fail "break on default location, 2nd time"}

  timeout {fail "(timeout) break on default location, 2nd time"}

}

send_gdb "break\n"

gdb_expect {

  -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\

          {pass "break on default location, 3rd time"}

  -re "$gdb_prompt $"\

          {fail "break on default location, 3rd time"}

  timeout {fail "(timeout) break on default location, 3rd time"}

}

send_gdb "break\n"

gdb_expect {

  -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\

          {pass "break on default location, 4th time"}

  -re "$gdb_prompt $"\

          {fail "break on default location, 4th time"}

  timeout {fail "(timeout) break on default location, 4th time"}

}

# Verify that a "silent" breakpoint can be set, and that GDB is indeed

# "silent" about its triggering.

#

if ![runto_main] then { fail "break tests suppressed" }

send_gdb "break $bp_location1\n"

gdb_expect {

  -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $"\

          {pass "set to-be-silent break bp_location1"}

  -re "$gdb_prompt $"\

          {fail "set to-be-silent break bp_location1"}

  timeout {fail "(timeout) set to-be-silent break bp_location1"}

}

send_gdb "commands $expect_out(1,string)\n"

send_gdb "silent\n"

send_gdb "end\n"

gdb_expect {

  -re ".*$gdb_prompt $"\

          {pass "set silent break bp_location1"}

  timeout {fail "(timeout) set silent break bp_location1"}

}

send_gdb "info break $expect_out(1,string)\n"

gdb_expect {

  -re "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*$gdb_prompt $"\

          {pass "info silent break bp_location1"}

  -re "$gdb_prompt $"\

          {fail "info silent break bp_location1"}

  timeout {fail "(timeout) info silent break bp_location1"}

}

send_gdb "continue\n"

gdb_expect {

  -re "Continuing.\r\n$gdb_prompt $"\

          {pass "hit silent break bp_location1"}

  -re "$gdb_prompt $"\

          {fail "hit silent break bp_location1"}

  timeout {fail "(timeout) hit silent break bp_location1"}

}

send_gdb "bt\n"

gdb_expect {

  -re "#0  main .* at .*:$bp_location1.*$gdb_prompt $"\

          {pass "stopped for silent break bp_location1"}

  -re "$gdb_prompt $"\

          {fail "stopped for silent break bp_location1"}

  timeout {fail "(timeout) stopped for silent break bp_location1"}

}

# Verify that GDB can at least parse a breakpoint with the

# "thread" keyword.  (We won't attempt to test here that a

# thread-specific breakpoint really triggers appropriately.

# The gdb.threads subdirectory contains tests for that.)

#

set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]

send_gdb "break $bp_location12 thread 999\n"

gdb_expect {

  -re "Unknown thread 999.*$gdb_prompt $"\

          {pass "thread-specific breakpoint on non-existent thread disallowed"}

  -re "$gdb_prompt $"\

          {fail "thread-specific breakpoint on non-existent thread disallowed"}

  timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}

}

send_gdb "break $bp_location12 thread foo\n"

gdb_expect {

  -re "Junk after thread keyword..*$gdb_prompt $"\

          {pass "thread-specific breakpoint on bogus thread ID disallowed"}

  -re "$gdb_prompt $"\

          {fail "thread-specific breakpoint on bogus thread ID disallowed"}

  timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}

}

# Verify that GDB responds gracefully to a breakpoint command with

# trailing garbage.

#

send_gdb "break $bp_location12 foo\n"

gdb_expect {

  -re "Junk at end of arguments..*$gdb_prompt $"\

          {pass "breakpoint with trailing garbage disallowed"}

  -re "$gdb_prompt $"\

          {fail "breakpoint with trailing garbage disallowed"}

  timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}

}

# Verify that GDB responds gracefully to a "clear" command that has

# no matching breakpoint.  (First, get us off the current source line,

# which we know has a breakpoint.)

#

send_gdb "next\n"

gdb_expect {

  -re ".*$gdb_prompt $"\

          {pass "step over breakpoint"}

  timeout {fail "(timeout) step over breakpoint"}

}

send_gdb "clear 81\n"

gdb_expect {

  -re "No breakpoint at 81..*$gdb_prompt $"\

          {pass "clear line has no breakpoint disallowed"}

  -re "$gdb_prompt $"\

          {fail "clear line has no breakpoint disallowed"}

  timeout {fail "(timeout) clear line has no breakpoint disallowed"}

}

send_gdb "clear\n"

gdb_expect {

  -re "No breakpoint at this line..*$gdb_prompt $"\

          {pass "clear current line has no breakpoint disallowed"}

  -re "$gdb_prompt $"\

          {fail "clear current line has no breakpoint disallowed"}

  timeout {fail "(timeout) clear current line has no breakpoint disallowed"}

}

# Verify that we can set and clear multiple breakpoints.

#

# We don't test that it deletes the correct breakpoints.  We do at

# least test that it deletes more than one breakpoint.

#

gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"

gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"

gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}

# Verify that a breakpoint can be set via a convenience variable.

#

send_gdb "set \$foo=$bp_location11\n"

gdb_expect {

  -re "$gdb_prompt $"\

          {pass "set convenience variable \$foo to bp_location11"}

  timeout {fail "(timeout) set convenience variable \$foo to bp_location11"}

}

send_gdb "break \$foo\n"

gdb_expect {

  -re "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*$gdb_prompt $"\

          {pass "set breakpoint via convenience variable"}

  -re "$gdb_prompt $"\

          {fail "set breakpoint via convenience variable"}

  timeout {fail "(timeout) set breakpoint via convenience variable"}

}

# Verify that GDB responds gracefully to an attempt to set a

# breakpoint via a convenience variable whose type is not integer.

#

send_gdb "set \$foo=81.5\n"

gdb_expect {

  -re "$gdb_prompt $"\

          {pass "set convenience variable \$foo to 81.5"}

  timeout {fail "(timeout) set convenience variable \$foo to 81.5"}

}

send_gdb "break \$foo\n"

gdb_expect {

  -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\

          {pass "set breakpoint via non-integer convenience variable disallowed"}

  -re "$gdb_prompt $"\

          {fail "set breakpoint via non-integer convenience variable disallowed"}

  timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}

}

# Verify that we can set and trigger a breakpoint in a user-called function.

#

send_gdb "break marker2\n"

gdb_expect {

    -re "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*$gdb_prompt $"\

          {pass "set breakpoint on to-be-called function"}

  -re "$gdb_prompt $"\

          {fail "set breakpoint on to-be-called function"}

  timeout {fail "(timeout) set breakpoint on to-be-called function"}

}

send_gdb "print marker2(99)\n"

gdb_expect {

  -re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2$proto. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\

          {pass "hit breakpoint on called function"}

  -re "$gdb_prompt $"\

          {fail "hit breakpoint on called function"}

  timeout {fail "(timeout) hit breakpoint on called function"}

}

# As long as we're stopped (breakpointed) in a called function,

# verify that we can successfully backtrace & such from here.

#

# In this and the following test, the _sr4export check apparently is needed

# for hppa*-*-hpux.

#

send_gdb "bt\n"

gdb_expect {

    -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $"\

            {pass "backtrace while in called function"}

    -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $"\

            {pass "backtrace while in called function"}

    -re "$gdb_prompt $"\

            {fail "backtrace while in called function"}

    timeout {fail "(timeout) backtrace while in called function"}

}

# Return from the called function.  For remote targets, it's important to do

# this before runto_main, which otherwise may silently stop on the dummy

# breakpoint inserted by GDB at the program's entry point.

#

send_gdb "finish\n"

gdb_expect {

    -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $"\

            {pass "finish from called function"}

    -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $"\

            {pass "finish from called function"}

    -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $"\

            {pass "finish from called function"}

    -re "$gdb_prompt $"\

            {fail "finish from called function"}

    timeout {fail "(timeout) finish from called function"}

}

# Verify that GDB responds gracefully to a "finish" command with

# arguments.

#

if ![runto_main] then { fail "break tests suppressed" }

send_gdb "finish 123\n"

gdb_expect {

  -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\

          {pass "finish with arguments disallowed"}

  -re "$gdb_prompt $"\

          {fail "finish with arguments disallowed"}

  timeout {fail "(timeout) finish with arguments disallowed"}

}

# Verify that GDB responds gracefully to a request to "finish" from

# the outermost frame.  On a stub that never exits, this will just

# run to the stubs routine, so we don't get this error...  Thus the

# second condition.

#

send_gdb "finish\n"

gdb_expect {

  -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\

          {pass "finish from outermost frame disallowed"}

  -re "Run till exit from.*\r\n$gdb_prompt $" {

     pass "finish from outermost frame disallowed"

  }

  -re "$gdb_prompt $"\

          {fail "finish from outermost frame disallowed"}

  timeout {fail "(timeout) finish from outermost frame disallowed"}

}

# Verify that we can explicitly ask GDB to stop on all shared library

# events, and that it does so.

#

if [istarget "hppa*-*-hpux*"] then {

  if ![runto_main] then { fail "break tests suppressed" }

  send_gdb "set stop-on-solib-events 1\n"

  gdb_expect {

    -re "$gdb_prompt $"\

            {pass "set stop-on-solib-events"}

    timeout {fail "(timeout) set stop-on-solib-events"}

  }

  send_gdb "run\n"

  gdb_expect {

    -re ".*Start it from the beginning.*y or n. $"\

            {send_gdb "y\n"

             gdb_expect {

               -re ".*Stopped due to shared library event.*$gdb_prompt $"\

                       {pass "triggered stop-on-solib-events"}

               -re "$gdb_prompt $"\

                       {fail "triggered stop-on-solib-events"}

               timeout {fail "(timeout) triggered stop-on-solib-events"}

             }

            }

    -re "$gdb_prompt $"\

            {fail "rerun for stop-on-solib-events"}

    timeout {fail "(timeout) rerun for stop-on-solib-events"}

  }

  send_gdb "set stop-on-solib-events 0\n"

  gdb_expect {

    -re "$gdb_prompt $"\

            {pass "reset stop-on-solib-events"}

    timeout {fail "(timeout) reset stop-on-solib-events"}

  }

}

# Hardware breakpoints are unsupported on HP-UX.  Verify that GDB

# gracefully responds to requests to create them.

#

if [istarget "hppa*-*-hpux*"] then {

  if ![runto_main] then { fail "break tests suppressed" }

  send_gdb "hbreak\n"

  gdb_expect {

    -re "No hardware breakpoint support in the target.*$gdb_prompt $"\

            {pass "hw breaks disallowed"}

    -re "$gdb_prompt $"\

            {fail "hw breaks disallowed"}

    timeout {fail "(timeout) hw breaks disallowed"}

  }

  send_gdb "thbreak\n"

  gdb_expect {

    -re "No hardware breakpoint support in the target.*$gdb_prompt $"\

            {pass "temporary hw breaks disallowed"}

    -re "$gdb_prompt $"\

            {fail "temporary hw breaks disallowed"}

    timeout {fail "(timeout) temporary hw breaks disallowed"}

  }

}

#********

#

# Test "next" over recursive function call.

#

proc test_next_with_recursion {} {

    global gdb_prompt

    global decimal

    global binfile

    gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"

    delete_breakpoints

    gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"

    # Run until we call factorial with 6

    gdb_run_cmd

    gdb_expect {

        -re "Break.* factorial .value=6. .*$gdb_prompt $" {}

        -re ".*$gdb_prompt $" {

            fail "run to factorial(6)";

            gdb_suppress_tests;

        }

        timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }

    }

    # Continue until we call factorial recursively with 5.

    if [gdb_test "continue" \

        "Continuing.*Break.* factorial .value=5. .*" \

        "continue to factorial(5)"] then { gdb_suppress_tests }

    # Do a backtrace just to confirm how many levels deep we are.

    if [gdb_test "backtrace" \

        "#0\[ \t\]+ factorial .value=5..*" \

        "backtrace from factorial(5)"] then { gdb_suppress_tests }

    # Now a "next" should position us at the recursive call, which

    # we will be performing with 4.

    if [gdb_test "next" \

        ".* factorial .value - 1.;.*" \

        "next to recursive call"] then { gdb_suppress_tests }

    # Disable the breakpoint at the entry to factorial by deleting them all.

    # The "next" should run until we return to the next line from this

    # recursive call to factorial with 4.

    # Buggy versions of gdb will stop instead at the innermost frame on

    # the line where we are trying to "next" to.

    delete_breakpoints

    if [istarget "mips*tx39-*"] {

        set timeout 60

    }

    # We used to set timeout here for all other targets as well.  This

    # is almost certainly wrong.  The proper timeout depends on the

    # target system in use, and how we communicate with it, so there

    # is no single value appropriate for all targets.  The timeout

    # should be established by the Dejagnu config file(s) for the

    # board, and respected by the test suite.

    #

    # For example, if I'm running GDB over an SSH tunnel talking to a

    # portmaster in California talking to an ancient 68k board running

    # a crummy ROM monitor (a situation I can only wish were

    # hypothetical), then I need a large timeout.  But that's not the

    # kind of knowledge that belongs in this file.

    gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \

            "next over recursive call"

    # OK, we should be back in the same stack frame we started from.

    # Do a backtrace just to confirm.

    set result [gdb_test "backtrace" \

            "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \

            "backtrace from factorial(5.1)"]

    if { $result != 0 } { gdb_suppress_tests }

    if [target_info exists gdb,noresults] { gdb_suppress_tests }

  gdb_continue_to_end "recursive next test"

   gdb_stop_suppressing_tests;

}

test_next_with_recursion

#********

# build a new file with optimization enabled so that we can try breakpoints

# on targets with optimized prologues

set binfileo2 ${objdir}/${subdir}/${testfile}o2

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}O0.o" object {debug nowarnings optimize=-O2}] != "" } {

     untested break.exp

     return -1

}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}O1.o" object {debug nowarnings optimize=-O2}] != "" } {

     untested break.exp

     return -1

}

if  { [gdb_compile "${binfile}O0.o ${binfile}O1.o" "${binfileo2}" executable {debug nowarnings}] != "" } {

     untested break.exp

     return -1

}

if [get_compiler_info ${binfileo2}] {

    return -1

}

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfileo2}

if [target_info exists gdb_stub] {

    gdb_step_for_stub;

}

#

# test break at function

#

gdb_test "break main" \

    "Breakpoint.*at.* file .*, line.*" \

    "breakpoint function, optimized file"

#

# test break at function

#

gdb_test "break marker4" \

    "Breakpoint.*at.* file .*$srcfile1, line.*" \

    "breakpoint small function, optimized file"

#

# run until the breakpoint at main is hit. For non-stubs-using targets.

#

gdb_run_cmd

gdb_expect {

    -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {

        pass "run until function breakpoint, optimized file"

    }

    -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {

        pass "run until function breakpoint, optimized file (code motion)"

    }

    -re "$gdb_prompt $" {

        fail "run until function breakpoint, optimized file"

    }

    timeout {

        fail "run until function breakpoint, optimized file (timeout)"

    }

}

#

# run until the breakpoint at a small function

#

#

# Add a second pass pattern.  The behavior differs here between stabs

# and dwarf for one-line functions.  Stabs preserves two line symbols

# (one before the prologue and one after) with the same line number,

# but dwarf regards these as duplicates and discards one of them.

# Therefore the address after the prologue (where the breakpoint is)

# has no exactly matching line symbol, and GDB reports the breakpoint

# as if it were in the middle of a line rather than at the beginning.

set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1]

set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]

send_gdb "continue\n"

gdb_expect {

    -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {

        pass "run until breakpoint set at small function, optimized file"

    }

    -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {

        pass "run until breakpoint set at small function, optimized file"

    }

    -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {

        # marker4() is defined at line 46 when compiled with -DPROTOTYPES

        pass "run until breakpoint set at small function, optimized file (line bp_location14)"

    }

    -re ".*$gdb_prompt " {

        fail "run until breakpoint set at small function, optimized file"