40ac16240a
* gdb.*/*.exp: Call gdb_expect instead of expect. * lib/gdb.exp(gdb_expect): New function.
347 lines
11 KiB
Text
347 lines
11 KiB
Text
# Copyright (C) 1988, 1990, 1991, 1992, 1994 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file was written by Rob Savoye. (rob@cygnus.com)
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if $tracelevel then {
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strace $tracelevel
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}
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#
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# test running programs
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#
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set prms_id 0
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set bug_id 0
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set testfile "break"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
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perror "Couldn't compile ${srcfile}"
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return -1
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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if [target_info exists gdb_stub] {
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gdb_test "step" "(main.* at .*|.*in .*start.*)" "step for stub"
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}
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#
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# test simple breakpoint setting commands
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#
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# Test deleting all breakpoints when there are none installed.
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# Between 4.15 and 4.16 a change made gdb stop prompting when
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# there are no user breakpoints installed.
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# Note that gdb-init.exp provides a "delete_breakpoints" proc
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# for general use elsewhere.
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send_gdb "delete breakpoints\n"
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gdb_expect {
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-re "Delete all breakpoints.*$" {
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send_gdb "y\n"
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gdb_expect {
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-re "$gdb_prompt $" {
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setup_xfail "i*86-*-sysv4*" "sparc-sun-sunos4*" "alpha-dec-osf*" "mips-dec-ultrix*"
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fail "Delete all breakpoints when none (unexpected prompt)"
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}
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timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
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}
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}
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-re ".*$gdb_prompt $" { pass "Delete all breakpoints when none" }
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timeout { fail "Delete all breakpoints when none (timeout)" }
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}
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#
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# test break at function
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#
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gdb_test "break main" \
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"Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint function"
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#
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# test break at function in file
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#
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gdb_test "break $srcfile:factorial" \
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"Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint function in file"
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#
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# test break at line number
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#
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gdb_test "break 64" \
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"Breakpoint.*at.* file .*$srcfile, line 64\\." \
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"breakpoint line number"
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#
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# test duplicate breakpoint
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#
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gdb_test "break 64" \
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"Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line 64\\." \
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"breakpoint duplicate"
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#
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# test break at line number in file
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#
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gdb_test "break $srcfile:70" \
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"Breakpoint.*at.* file .*$srcfile, line 70\\." \
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"breakpoint line number in file"
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#
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# check to see what breakpoints are set
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#
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if [target_info exists gdb_stub] {
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set main_line 57
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} else {
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set main_line 60
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}
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gdb_test "info break" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in factorial at .*$srcfile:76.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:64.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:64.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:70" \
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"breakpoint info"
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# FIXME: The rest of this test doesn't work with anything that can't
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# handle arguments.
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# Huh? There doesn't *appear* to be anything that passes arguments
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# below.
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if [istarget "mips-idt-*"] then {
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return
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}
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#
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# run until the breakpoint at main is hit. For non-stubs-using targets.
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#
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if ![target_info exists use_gdb_stub] {
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if [istarget "*-*-vxworks*"] then {
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send_gdb "run vxmain \"2\"\n"
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set timeout 120
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verbose "Timeout is now $timeout seconds" 2
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} else {
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send_gdb "run\n"
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}
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gdb_expect {
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-re "The program .* has been started already.*y or n. $" {
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send_gdb "y\n"
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exp_continue
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}
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-re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:60.*60\[\t \]+if .argc.* \{.*$gdb_prompt $"\
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{ pass "run until function breakpoint" }
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-re ".*$gdb_prompt $" { fail "run until function breakpoint" }
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timeout { fail "run until function breakpoint (timeout)" }
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}
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} else {
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if ![target_info exists gdb_stub] {
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:60.*60\[\t \]+if .argc.*\{" "stub continue"
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}
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}
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#
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# run until the breakpoint at a line number
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#
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:64.*64\[\t \]+printf.*factorial.*" \
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"run until breakpoint set at a line number"
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#
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# Run until the breakpoint set in a function in a file
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#
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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:76.*76\[\t \]+if .value > 1. \{" \
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"run until file:function($i) breakpoint"
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}
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#
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# run until the file:function breakpoint at a line number in a file
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#
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:70.*70\[\t \]+return 0;" \
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"run until file:linenum breakpoint"
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#
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# delete all breakpoints so we can start over, course this can be a test too
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#
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delete_breakpoints
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#
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# test temporary breakpoint at function
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#
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gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
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#
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# test break at function in file
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#
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gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \
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"Temporary breakpoint function in file"
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#
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# test break at line number
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#
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send_gdb "tbreak 64\n"
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gdb_expect {
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-re "Breakpoint.*at.* file .*$srcfile, line 64.*$gdb_prompt $" { pass "Temporary breakpoint line number" }
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-re ".*$gdb_prompt $" { pass "Temporary breakpoint line number" }
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timeout { fail "breakpoint line number (timeout)" }
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}
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gdb_test "tbreak 60" "Breakpoint.*at.* file .*$srcfile, line 60.*" "Temporary breakpoint line number"
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#
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# test break at line number in file
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#
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send_gdb "tbreak $srcfile:70\n"
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gdb_expect {
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-re "Breakpoint.*at.* file .*$srcfile, line 70.*$gdb_prompt $" { pass "Temporary breakpoint line number in file" }
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-re ".*$gdb_prompt $" { pass "Temporary breakpoint line number in file" }
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timeout { fail "Temporary breakpoint line number in file (timeout)" }
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}
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gdb_test "tbreak $srcfile:66" "Breakpoint.*at.* file .*$srcfile, line 66.*" "Temporary breakpoint line number in file"
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#
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# check to see what breakpoints are set (temporary this time)
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#
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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.*\[\r\n\]\[0-9\]+\[\t \]+breakpoint del.*y.*in factorial at .*$srcfile:76.*\[\r\n\]\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:64.*\[\r\n\]\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:70.*" "Temporary breakpoint info"
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proc test_clear_command {} {
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gdb_test "break main" "Breakpoint.*at.*"
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gdb_test "break main" "Breakpoint.*at.*"
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# We don't test that it deletes the correct breakpoints. We do at
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# least test that it deletes more than one breakpoint.
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gdb_test "clear main" {Deleted breakpoints [0-9]+ [0-9]+.*}
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}
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#
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# Test "next" over recursive function call.
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#
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proc test_next_with_recursion {} {
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global gdb_prompt
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global decimal
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global binfile
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if [istarget "d10v-*-*"] {
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# Doesn't work right now.
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return;
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}
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if [target_info exists use_gdb_stub] {
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# Reload the program.
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delete_breakpoints
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gdb_load ${binfile};
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} else {
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# FIXME: should be using runto
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gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
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delete_breakpoints
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}
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gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
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# Run until we call factorial with 6
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if [istarget "*-*-vxworks*"] then {
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send_gdb "run vxmain \"6\"\n"
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} else {
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gdb_run_cmd
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}
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gdb_expect {
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-re "Break.* factorial .value=6. .*$gdb_prompt $" {}
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timeout { fail "run to factorial(6) (timeout)" ; return }
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}
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# Continue until we call factorial recursively with 5.
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send_gdb "continue\n"
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gdb_expect {
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-re "Continuing.*Break.* factorial .value=5. .*$gdb_prompt $" {}
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timeout { fail "continue to factorial(5) (timeout)" ; return }
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}
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# Do a backtrace just to confirm how many levels deep we are.
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set result [gdb_test "backtrace" \
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"#0\[ \t\]+ factorial .value=5..*" \
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"backtrace from factorial(5)"]
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if $result!=0 then { return }
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# Now a "next" should position us at the recursive call, which
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# we will be performing with 4.
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send_gdb "next\n"
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gdb_expect {
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-re ".* factorial .value - 1.;.*$gdb_prompt $" {}
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timeout { fail "next to recursive call (timeout)" ; return }
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}
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# Disable the breakpoint at the entry to factorial by deleting them all.
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# The "next" should run until we return to the next line from this
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# recursive call to factorial with 4.
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# Buggy versions of gdb will stop instead at the innermost frame on
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# the line where we are trying to "next" to.
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delete_breakpoints
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set timeout 20;
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gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
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"next over recursive call"
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# OK, we should be back in the same stack frame we started from.
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# Do a backtrace just to confirm.
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set result [gdb_test "backtrace" \
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"#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
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"backtrace from factorial(5.1)"]
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if { $result != 0 } { return }
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if [target_info exists gdb,noresults] { return }
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if [target_info exists use_gdb_stub] {
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gdb_breakpoint "exit"
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gdb_test "continue" "Continuing..*Breakpoint .*exit .code=0.*" "continue until exit in recursive next test"
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} else {
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# Continue until we exit. Should not stop again.
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# Don't bother to check the output of the program, that may be
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# extremely tough for some remote systems.
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gdb_test "continue"\
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"Continuing.\[\r\n0-9\]+Program exited normally\\..*"\
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"continue until exit in recursive next test"
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}
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}
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test_clear_command
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test_next_with_recursion
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# Reset the default arguments for VxWorks
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if [istarget "*-*-vxworks*"] {
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set timeout 10
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verbose "Timeout is now $timeout seconds" 2
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send_gdb "set args main\n"
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gdb_expect -re ".*$gdb_prompt $" {}
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}
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