old-cross-binutils/gdb/testsuite/gdb.base/break.exp
Kung Hsu 4d1edc2e85 * gdb.base/break.exp: Adjust line number, fix rerun.
* gdb.base/langs0.c: Add #ifdef usestubs.
1995-04-01 00:17:12 +00:00

357 lines
10 KiB
Text

# Copyright (C) 1988, 1990, 1991, 1992, 1994 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 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., 675 Mass Ave, Cambridge, MA 02139, 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
}
global usestubs
#
# test running programs
#
set prms_id 0
set bug_id 0
set binfile "break"
set srcfile $binfile.c
if ![file exists $objdir/$subdir/$binfile] then {
perror "$objdir/$subdir/$binfile does not exist."
return 0
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $objdir/$subdir/$binfile
if $usestubs {
send "step\n"
# if use stubs step out of the breakpoint() function.
expect {
-re "main.* at .*$prompt $" {}
timeout { fail "single step at breakpoint() (timeout)" ; return 0 }
}
}
#
# test simple breakpoint setting commands
#
#
# test deleting all breakpoints; note that gdb-init.exp provides a
# "delete_breakpoints" proc for general use elsewhere
#
send "delete breakpoints\n"
expect {
-re "Delete all breakpoints.*y or n. $"\
{ send "y\n"
expect {
-re ".*$prompt $"\
{ send "info breakpoints\n"
expect {
-re "No breakpoints or watchpoints..*$prompt $" { pass "Deleted all breakpoints" }
-re ".*$prompt $" { fail "Deleted all breakpoints" }
timeout { fail "Deleted all breakpoints" }
}
}
timeout { fail "Deleted all breakpoints" }
}
}
-re ".*$prompt $" { fail "Deleted all breakpoints" }
timeout { fail "Deleted all breakpoints" }
}
#
# test break at function
#
gdb_test "break main" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint function"
#
# test break at function in file
#
gdb_test "break $srcfile:factorial" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint function in file"
#
# test break at line number
#
gdb_test "break 64" \
"Breakpoint.*at.* file .*$srcfile, line 64\\." \
"breakpoint line number"
#
# test duplicate breakpoint
#
gdb_test "break 64" \
"Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line 64\\." \
"breakpoint duplicate"
#
# test break at line number in file
#
gdb_test "break $srcfile:70" \
"Breakpoint.*at.* file .*$srcfile, line 70\\." \
"breakpoint line number in file"
#
# check to see what breakpoints are set
#
gdb_test "info break" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:57.*
\[0-9\]+\[\t \]+breakpoint keep y.* in factorial at .*$srcfile:76.*
\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:64.*
\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:64.*
\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:70" \
"breakpoint info"
# FIXME: The rest of this test doesn't work with anything that can't
# handle arguments.
if [istarget "mips-idt-*"] then {
return
}
#
# run until the breakpoint at main is hit. For non-stubs-using targets.
#
if !$usestubs then {
if [istarget "*-*-vxworks*"] then {
send "run vxmain \"2\"\n"
set timeout 120
} else {
send "run\n"
}
expect {
-re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:60.*60\[\t \]+if .argc.* \{.*$prompt $"\
{ pass "run until function breakpoint" }
-re ".*$prompt $" { fail "run until function breakpoint" }
timeout { fail "(timeout) run until function breakpoint" }
}
}
#if $usestubs {}
#
# run until the breakpoint at a line number
#
gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:64.*64\[\t \]+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:76.*76\[\t \]+if .value > 1. \{" \
"run until file:function($i) 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:70.*70\[\t \]+return 0;" \
"run until file:linenum breakpoint"
#
# delete all breakpoints so we can start over, course this can be a test too
#
send "delete breakpoints\n"
expect {
-re "Delete all breakpoints.*y or n.*$" {
send "y\n"
expect {
-re ".*$prompt $" {
send "info breakpoints\n"
expect {
-re "No breakpoints or watchpoints..*$prompt $" {
pass "Deleted all breakpoints"
}
-re ".*$prompt $" { fail "Deleted all breakpoints" }
timeout { fail "Deleted all breakpoints" }
}
}
timeout { fail "Deleted all breakpoints" }
}
}
-re ".*$prompt $" { fail "Deleted all breakpoints" }
timeout { fail "Deleted all breakpoints" }
}
#
# test temporary breakpoint at function
#
gdb_test "tbreak main" "Breakpoint.*at.* file .*$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 "tbreak 64\n"
expect {
-re "Breakpoint.*at.* file .*$srcfile, line 64.*$prompt $" { pass "Temporary breakpoint line number" }
-re ".*$prompt $" { pass "Temporary breakpoint line number" }
timeout { fail "(timeout) breakpoint line number" }
}
gdb_test "tbreak 60" "Breakpoint.*at.* file .*$srcfile, line 60.*" "Temporary breakpoint line number"
#
# test break at line number in file
#
send "tbreak $srcfile:70\n"
expect {
-re "Breakpoint.*at.* file .*$srcfile, line 70.*$prompt $" { pass "Temporary breakpoint line number in file" }
-re ".*$prompt $" { pass "Temporary breakpoint line number in file" }
timeout { fail "(timeout) breakpoint line number in file" }
}
gdb_test "tbreak $srcfile:66" "Breakpoint.*at.* file .*$srcfile, line 66.*" "Temporary breakpoint line number in file"
#
# check to see what breakpoints are set (temporary this time)
#
send "info break\n"
expect {
-re "Num Type.*Disp Enb Address.*What.*
\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:57.*
\[0-9\]+\[\t \]+breakpoint del.*y.*in factorial at .*$srcfile:76.*
\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:64.*
\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:70.*$prompt $" {
pass "Temporary breakpoint info"
}
-re ".*$prompt $" { fail "Temporary breakpoint info" }
timeout { fail "(timeout) Temporary breakpoint info" }
}
proc test_clear_command {} {
gdb_test "break main" "Breakpoint.*at.*"
gdb_test "break main" "Breakpoint.*at.*"
# We don't test that it deletes the correct breakpoints. We do at
# least test that it deletes more than one breakpoint.
gdb_test "clear main" {Deleted breakpoints [0-9]+ [0-9]+.*}
}
#
# Test "next" over recursive function call.
#
proc test_next_with_recursion {} {
global prompt
global decimal
# FIXME: should be using runto
send "kill\n"
expect {
-re ".*Kill the program being debugged.*y or n. $" {
send "y\n"
exp_continue
}
-re ".*$prompt $" {}
timeout { fail "killing inferior" ; return }
}
delete_breakpoints
gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
# Run until we call factorial with 6
if [istarget "*-*-vxworks*"] then {
send "run vxmain \"6\"\n"
} else {
gdb_run_cmd
}
expect {
-re "Break.* factorial .value=6. .*$prompt $" {}
timeout { fail "run to factorial(6)" ; return }
}
# Continue until we call factorial recursively with 5.
send "continue\n"
expect {
-re "Continuing.*Break.* factorial .value=5. .*$prompt $" {}
timeout { fail "continue to factorial(5)" ; return }
}
# Do a backtrace just to confirm how many levels deep we are.
set result [gdb_test "backtrace" \
"#0\[ \t\]+ factorial .value=5..*" \
"backtrace from factorial(5)"]
if $result!=0 then { return }
# Now a "next" should position us at the recursive call, which
# we will be performing with 4.
send "next\n"
expect {
-re ".* factorial .value - 1.;.*$prompt $" {}
timeout { fail "next to recursive call (timeout)" ; return }
}
# 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
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)"]
if $result!=0 then { return }
# Continue until we exit. Should not stop again.
gdb_test "continue" "Continuing.\r\n720\r\n\r\nProgram exited normally\\."\
"continue until exit in recursive next test"
}
test_clear_command
test_next_with_recursion
# Reset the default arguments for VxWorks
if [istarget "*-*-vxworks*"] then {
set timeout 10
send "set args main\n"
expect -re ".*$prompt $" {}
}