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# Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
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# 2000, 2002, 2003, 2007 Free Software Foundation, Inc.
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# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# 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
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set srcfile1 ${testfile}1.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object {debug nowarnings}] != "" } {
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untested break.exp
return -1
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}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object {debug nowarnings}] != "" } {
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untested break.exp
return -1
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}
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if { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug nowarnings}] != "" } {
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untested break.exp
return -1
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}
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if [get_compiler_info ${binfile}] {
return -1
}
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gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
if [target_info exists gdb_stub] {
gdb_step_for_stub;
}
#
# test simple breakpoint setting commands
#
# Test deleting all breakpoints when there are none installed,
# GDB should not prompt for confirmation.
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# Note that lib/gdb.exp provides a "delete_breakpoints" proc
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# for general use elsewhere.
send_gdb "delete breakpoints\n"
gdb_expect {
-re "Delete all breakpoints.*$" {
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"
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#
# test break at quoted function
#
gdb_test "break \"marker2\"" \
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"Breakpoint.*at.* file .*$srcfile1, line.*" \
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"breakpoint quoted function"
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#
# test break at function in file
#
gdb_test "break $srcfile:factorial" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint function in file"
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set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
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#
# test break at line number
#
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# 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"
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gdb_test "break $bp_location1" \
"Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
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"breakpoint line number"
#
# test duplicate breakpoint
#
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gdb_test "break $bp_location1" \
"Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
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"breakpoint duplicate"
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set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
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#
# test break at line number in file
#
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gdb_test "break $srcfile:$bp_location2" \
"Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
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"breakpoint line number in file"
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set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
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#
# Test putting a break at the start of a multi-line if conditional.
# Verify the breakpoint was put at the start of the conditional.
#
gdb_test "break multi_line_if_conditional" \
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"Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
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"breakpoint at start of multi line if conditional"
gdb_test "break multi_line_while_conditional" \
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"Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
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"breakpoint at start of multi line while conditional"
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set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
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#
# check to see what breakpoints are set
#
if [target_info exists gdb_stub] {
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set main_line $bp_location5
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} else {
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set main_line $bp_location6
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}
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if {$hp_aCC_compiler} {
set proto "\\(int\\)"
} else {
set proto ""
}
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set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
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set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]
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gdb_test "info break" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in marker2 at .*$srcfile1:($bp_location8|$bp_location9).*
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\[0-9\]+\[\t \]+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" \
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"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.
#
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gdb_run_cmd
gdb_expect {
-re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
pass "run until function breakpoint"
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}
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-re "$gdb_prompt $" {
fail "run until function breakpoint"
}
timeout {
fail "run until function breakpoint (timeout)"
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}
}
#
# run until the breakpoint at a line number
#
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
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"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} {
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
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"run until file:function($i) breakpoint"
}
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#
# Run until the breakpoint set at a quoted function
#
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:($bp_location8|$bp_location9).*" \
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"run until quoted breakpoint"
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#
# run until the file:function breakpoint at a line number in a file
#
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
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"run until file:linenum breakpoint"
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# Test break at offset +1
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set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
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gdb_test "break +1" \
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"Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
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"breakpoint offset +1"
# Check to see if breakpoint is hit when stepped onto
gdb_test "step" \
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".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
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"step onto breakpoint"
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# 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 }"
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#
# 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
#
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send_gdb "tbreak $bp_location1\n"
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gdb_expect {
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-re "Breakpoint.*at.* file .*$srcfile, line $bp_location1.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
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-re ".*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
timeout { fail "breakpoint line number #1 (timeout)" }
}
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gdb_test "tbreak $bp_location6" "Breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"
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#
# test break at line number in file
#
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send_gdb "tbreak $srcfile:$bp_location2\n"
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gdb_expect {
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-re "Breakpoint.*at.* file .*$srcfile, line $bp_location2.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
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-re ".*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
timeout { fail "Temporary breakpoint line number in file #1 (timeout)" }
}
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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"
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#
# check to see what breakpoints are set (temporary this time)
#
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gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
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\[0-9\]+\[\t \]+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.*" \
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"Temporary breakpoint info"
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#***********
# 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"}
}
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# Run to the desired default location. If not positioned here, the
# tests below don't work.
#
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gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1"
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# 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" }
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send_gdb "break $bp_location1\n"
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gdb_expect {
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-re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $"\
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{pass "set to-be-silent break bp_location1"}
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-re "$gdb_prompt $"\
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{fail "set to-be-silent break bp_location1"}
timeout {fail "(timeout) set to-be-silent break bp_location1"}
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}
send_gdb "commands $expect_out(1,string)\n"
send_gdb "silent\n"
send_gdb "end\n"
gdb_expect {
-re ".*$gdb_prompt $"\
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{pass "set silent break bp_location1"}
timeout {fail "(timeout) set silent break bp_location1"}
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}
send_gdb "info break $expect_out(1,string)\n"
gdb_expect {
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-re "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*$gdb_prompt $"\
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{pass "info silent break bp_location1"}
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-re "$gdb_prompt $"\
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{fail "info silent break bp_location1"}
timeout {fail "(timeout) info silent break bp_location1"}
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}
send_gdb "continue\n"
gdb_expect {
-re "Continuing.\r\n$gdb_prompt $"\
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{pass "hit silent break bp_location1"}
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-re "$gdb_prompt $"\
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{fail "hit silent break bp_location1"}
timeout {fail "(timeout) hit silent break bp_location1"}
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}
send_gdb "bt\n"
gdb_expect {
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-re "#0 main .* at .*:$bp_location1.*$gdb_prompt $"\
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{pass "stopped for silent break bp_location1"}
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-re "$gdb_prompt $"\
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{fail "stopped for silent break bp_location1"}
timeout {fail "(timeout) stopped for silent break bp_location1"}
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}
# 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.)
#
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set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
send_gdb "break $bp_location12 thread 999\n"
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gdb_expect {
-re "Unknown thread 999.*$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"}
}
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send_gdb "break $bp_location12 thread foo\n"
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gdb_expect {
-re "Junk after thread keyword..*$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.
#
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send_gdb "break $bp_location12 foo\n"
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gdb_expect {
-re "Junk at end of arguments..*$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 $"\
{pass "step over breakpoint"}
timeout {fail "(timeout) step over breakpoint"}
}
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send_gdb "clear 81\n"
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gdb_expect {
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-re "No breakpoint at 81..*$gdb_prompt $"\
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{pass "clear line has no breakpoint disallowed"}
-re "$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 $"\
{fail "clear current line has no breakpoint disallowed"}
timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
}
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# Verify that we can set and clear multiple breakpoints.
#
# We don't test that it deletes the correct breakpoints. We do at
# least test that it deletes more than one breakpoint.
#
gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
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# Verify that a breakpoint can be set via a convenience variable.
#
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send_gdb "set \$foo=$bp_location11\n"
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gdb_expect {
-re "$gdb_prompt $"\
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{pass "set convenience variable \$foo to bp_location11"}
timeout {fail "(timeout) set convenience variable \$foo to bp_location11"}
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}
send_gdb "break \$foo\n"
gdb_expect {
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-re "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*$gdb_prompt $"\
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{pass "set breakpoint via convenience variable"}
-re "$gdb_prompt $"\
{fail "set breakpoint via convenience variable"}
timeout {fail "(timeout) set breakpoint via convenience variable"}
}
# Verify that GDB responds gracefully to an attempt to set a
# breakpoint via a convenience variable whose type is not integer.
#
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send_gdb "set \$foo=81.5\n"
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gdb_expect {
-re "$gdb_prompt $"\
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{pass "set convenience variable \$foo to 81.5"}
timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
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}
send_gdb "break \$foo\n"
gdb_expect {
-re "Convenience variables used in line specs must have integer values..*$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 {
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-re "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*$gdb_prompt $"\
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{pass "set breakpoint on to-be-called function"}
-re "$gdb_prompt $"\
{fail "set breakpoint on to-be-called function"}
timeout {fail "(timeout) set breakpoint on to-be-called function"}
}
send_gdb "print marker2(99)\n"
gdb_expect {
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-re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2$proto. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\
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{pass "hit breakpoint on called function"}
-re "$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.
#
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# In this and the following test, the _sr4export check apparently is needed
# for hppa*-*-hpux.
#
send_gdb "bt\n"
gdb_expect {
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-re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $"\
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{pass "backtrace while in called function"}
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-re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $"\
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{pass "backtrace while in called function"}
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-re "$gdb_prompt $"\
{fail "backtrace while in called function"}
timeout {fail "(timeout) backtrace while in called function"}
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}
# Return from the called function. For remote targets, it's important to do
# this before runto_main, which otherwise may silently stop on the dummy
# breakpoint inserted by GDB at the program's entry point.
#
send_gdb "finish\n"
gdb_expect {
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-re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $"\
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{pass "finish from called function"}
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-re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $"\
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{pass "finish from called function"}
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-re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $"\
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{pass "finish from called function"}
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-re "$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 $"\
{fail "finish with arguments disallowed"}
timeout {fail "(timeout) finish with arguments disallowed"}
}
# Verify that GDB responds gracefully to a request to "finish" from
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# the outermost frame. On a stub that never exits, this will just
# run to the stubs routine, so we don't get this error... Thus the
# second condition.
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#
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1999-04-16 03:35:26 +02:00
send_gdb "finish\n"
gdb_expect {
-re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
{pass "finish from outermost frame disallowed"}
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-re "Run till exit from.*\r\n$gdb_prompt $" {
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pass "finish from outermost frame disallowed"
}
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-re "$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
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gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
delete_breakpoints
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gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
# Run until we call factorial with 6
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gdb_run_cmd
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gdb_expect {
-re "Break.* factorial .value=6. .*$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
}
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# 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.
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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 }
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gdb_continue_to_end "recursive next test"
gdb_stop_suppressing_tests;
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}
test_next_with_recursion
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#********
# build a new file with optimization enabled so that we can try breakpoints
# on targets with optimized prologues
set binfileo2 ${objdir}/${subdir}/${testfile}o2
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}O0.o" object {debug nowarnings optimize=-O2}] != "" } {
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untested break.exp
return -1
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}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}O1.o" object {debug nowarnings optimize=-O2}] != "" } {
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untested break.exp
return -1
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}
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if { [gdb_compile "${binfile}O0.o ${binfile}O1.o" "${binfileo2}" executable {debug nowarnings}] != "" } {
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untested break.exp
return -1
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}
if [get_compiler_info ${binfileo2}] {
return -1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfileo2}
if [target_info exists gdb_stub] {
gdb_step_for_stub;
}
#
# test break at function
#
gdb_test "break main" \
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"Breakpoint.*at.* file .*, line.*" \
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"breakpoint function, optimized file"
#
# test break at function
#
gdb_test "break marker4" \
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"Breakpoint.*at.* file .*$srcfile1, line.*" \
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"breakpoint small function, optimized file"
#
# run until the breakpoint at main is hit. For non-stubs-using targets.
#
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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"
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}
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-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)"
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}
}
#
# run until the breakpoint at a small function
#
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#
# 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.
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set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1]
set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
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send_gdb "continue\n"
gdb_expect {
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-re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
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pass "run until breakpoint set at small function, optimized file"
}
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-re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
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pass "run until breakpoint set at small function, optimized file"
}
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-re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
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# marker4() is defined at line 46 when compiled with -DPROTOTYPES
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pass "run until breakpoint set at small function, optimized file (line bp_location14)"
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}
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-re ".*$gdb_prompt " {
fail "run until breakpoint set at small function, optimized file"
}
timeout {
fail "run until breakpoint set at small function, optimized file (timeout)"
}
}
2000-03-24 22:35:42 +01:00
1999-04-16 03:35:26 +02:00
# Reset the default arguments for VxWorks
if [istarget "*-*-vxworks*"] {
set timeout 10
verbose "Timeout is now $timeout seconds" 2
send_gdb "set args main\n"
gdb_expect -re ".*$gdb_prompt $" {}
}