518 lines
13 KiB
Text
518 lines
13 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., 675 Mass Ave, Cambridge, MA 02139, 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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set prms_id 0
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set bug_id 0
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# are we on a target board
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if ![isnative] then {
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warning "These test cases can't run on a target system."
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continue
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}
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proc test_with_self {} {
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global prompt
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global tool
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global det_file
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global timeout
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global decimal
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# load yourself into the debugger
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# This can take a relatively long time, particularly for testing where
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# the executable is being accessed over a network, or where gdb does not
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# support partial symbols for a particular target and has to load the
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# entire symbol table. Set the timeout to 10 minutes, which should be
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# adequate for most environments (it *has* timed out with 5 min on a
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# SPARCstation SLC under moderate load, so this isn't unreasonable).
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# After gdb is loaded, set the timeout to 30 seconds for the duration
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# of this test, and then back to the original value.
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set oldtimeout $timeout
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set timeout 600
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if {[gdb_load "./x$tool"] <0} then {
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return -1
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}
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set timeout 30
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# disassemble yourself
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send "x/10i main\n"
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expect {
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-re "x/10i.*main.*main.$decimal.*main.$decimal.*$prompt $"\
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{ pass "Disassemble main" }
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-re ".*$prompt $" { fail "Disassemble main" }
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timeout { fail "(timeout) Disassemble main" }
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}
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set description "set breakpoint at main"
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send "break main\n"
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expect {
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-re "Breakpoint.*at.* file.*, line.*$prompt $" {
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pass "$description"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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# run yourself
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set description "run until breakpoint at main"
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send "run\n"
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expect {
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-re "Starting program.*Breakpoint \[0-9\]+,.*main .argc.*argv.* at .*main.c:.*$prompt $" {
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pass "$description"
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}
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-re "Starting program.*Breakpoint \[0-9\]+,.*main .argc.*argv.*$prompt $" {
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xfail "$description (line numbers scrambled?)"
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}
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-re "vfork: No more processes.*$prompt $" {
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fail "$description (out of virtual memory)"
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return -1
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}
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-re ".*$prompt $" {
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fail "$description"
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return -1
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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# do we have a version number ?
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send "print version\n"
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expect {
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-re ".\[0-9\]+ = +0x.*\[0-9.\]+.*$prompt $" {
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pass "printed version"
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}
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-re ".\[0-9\]+ = +.+ +0x.*\[0-9.\]+.*$prompt $" {
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pass "printed version with cast"
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}
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-re ".*$prompt $" { fail "printed version" }
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timeout { fail "(timeout) printed version" }
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}
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# lets do a few single steps
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set description "step over symarg initialization"
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send "step\n"
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expect {
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-re "char \[*\]+execarg = NULL;.*$prompt $" {
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pass "$description"
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}
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-re ".*No such file or directory.\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*A file or directory .* does not exist..\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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set description "step over execarg initialization"
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send "step\n"
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expect {
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-re "char \[*\]corearg = NULL;.*$prompt $" {
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pass "$description"
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}
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-re ".*No such file or directory.\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*A file or directory .* does not exist..\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description" (timeout)"
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}
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}
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set description "step over corearg initialization"
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send "step\n"
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expect {
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-re "char \[*\]cdarg = NULL;.*$prompt $" {
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pass "$description"
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}
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-re ".*No such file or directory.\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*A file or directory .* does not exist..\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description" (timeout)"
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}
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}
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set description "step over cdarg initialization"
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send "step\n"
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expect {
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-re "char \[*\]ttyarg = NULL;.*$prompt $" {
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pass "$description"
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}
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-re ".*No such file or directory.\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*A file or directory .* does not exist..\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description" (timeout)"
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}
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}
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set description "step over ttyarg initialization"
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send "step\n"
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expect {
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-re "init_malloc.* NULL.*$prompt $" {
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pass "$description"
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}
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-re ".*No such file or directory.\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*A file or directory .* does not exist..\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description" (timeout)"
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}
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}
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# now jump over a few functions
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set description "next over init_malloc and everything it calls"
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send "next\n"
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expect {
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-re "if.*SET_TOP_LEVEL.*$prompt $" {
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pass "$description"
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}
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-re "i = .*count.*$prompt $" {
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pass "$description"
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set description "next over ALIGN_STACK_ON_STARTUP code"
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send "next\n"
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expect {
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-re "if.*i != 0.*$prompt $" {
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pass "$description"
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send "next\n"
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expect {
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-re "if.*SET_TOP_LEVEL.*$prompt $" {
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pass "$description"
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}
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-re "alloca.*$prompt $" {
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send "next\n"
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expect {
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-re "if.*level.*$prompt $" {
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pass "$description"
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}
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}
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}
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}
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}
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}
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}
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-re ".*No such file or directory.\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*A file or directory .* does not exist..\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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# -re "if \(setmp \(to_top_level\)\).*$prompt $" { pass "first next" }
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# This one fails on Solaris (for some versions of gdb) because you
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# can't next over library functions
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setup_xfail "sparc-sun-solaris2" 1817
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set next_ok 1
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set need_to_step_over_cmdsize 1
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set description "next over SET_TOP_LEVEL call"
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send "next\n"
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expect {
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-re "cmdsize = 1;.*$prompt $" {
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pass "$description"
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}
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-re "cmdarg = .*xmalloc.*$prompt $" {
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# This can happen in optimized code where the "cmdsize = 1" line
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# is basically removed.
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pass "$description"
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set need_to_step_over_cmdsize 0
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}
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-re ".*No such file or directory.\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*A file or directory .* does not exist..\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*$prompt $" {
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fail "$description"
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set next_ok 0
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}
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timeout {
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fail "$description (timeout)"
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set next_ok 0
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}
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}
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set description "print a string"
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send "print \"foo\"\n"
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expect {
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-re ".\[0-9\]+ = \"foo\".*$prompt $" {
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pass "$description"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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if $need_to_step_over_cmdsize {
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set description "step over cmdsize initialization"
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send "step\n"
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expect {
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-re "cmdarg = .*xmalloc.*$prompt $" {
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pass "$description"
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}
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-re ".*No such file or directory.\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*A file or directory .* does not exist..\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description" (timeout)"
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}
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}
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}
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# and another step for good luck
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# This one fails on Solaris (for some versions of gdb) because you
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# can't step into library functions
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if $next_ok {
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set description "step into xmalloc call"
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send "step\n"
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expect {
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-re "xmalloc.*size=.*at.*utils.c.*$prompt $" {
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pass "$description"
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}
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-re ".*No such file or directory.\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re "A file or directory .* does not exist..\r\n$prompt $" {
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pass "$description (no source available)"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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}
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# start the "xgdb" process
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send "continue\n"
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expect {
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-re "GDB is free software and you are welcome to distribute copies of it.*
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under certain conditions; type \"show copying\" to see the conditions..*
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There is absolutely no warranty for GDB; type \"show warranty\" for details..*
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GDB.*Copyright \[0-9\]+ Free Software Foundation, Inc..*$prompt $"\
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{ pass "xgdb is at prompt" }
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-re ".*$prompt $" { fail "xgdb is at prompt" }
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timeout { fail "(timeout) xgdb is at prompt" }
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}
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# set xgdb prompt so we can tell which is which
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send "set prompt (xgdb) \n"
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expect {
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-re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" { pass "Set xgdb prompt" }
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-re ".*$prompt $" { fail "Set xgdb prompt" }
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default { fail "(timeout) Set xgdb prompt" }
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}
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# kill the xgdb process
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set description "send ^C to child process"
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send "\003"
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expect {
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-re "Program received signal SIGINT.*$prompt $" {
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pass "$description"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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set description "send SIGINT signal to child process"
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send "signal SIGINT\n"
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expect {
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-re "Continuing with signal SIGINT.*$prompt $" {
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pass "$description"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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# get a stack trace
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setup_xfail "rs6000-*-*"
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setup_xfail "i486-*-sysv4"
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set description "backtrace through signal handler"
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send "backtrace\n"
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expect {
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-re "#0.*read.*#\[1-9\].*main.c.*$prompt $" {
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pass "$description"
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}
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-re ".*$prompt $" {
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fail "$description"
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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# force GDB to dump core. On Solaris expect seems to not see the
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# final message, even if gdb did dump core, so we check for the
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# core dump explicitly if we time out.
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#
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# Some systems append "core" to the name of the program; others
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# append the name of the program to "core".
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system rm -f core core.gdb gdb.core
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send "maint dump-me\n"
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expect {
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-re "maint dump-me.*Should GDB dump core.*y or n. $" {
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send "y\n"
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expect {
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-re "Quit.*core dumped.*" { pass "GDB dumped core" }
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-re "Program received signal SIGQUIT.*$prompt $" {
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pass "GDB dumped core"
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# This means we just told xgdb, not gdb, to dump core.
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# Get out of gdb so that removing xgdb doesn't get
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# test busy errors.
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gdb_exit
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}
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-re "$prompt $" { fail "GDB dumped core" }
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default {
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if {[file exists core] || [file exists core.gdb] || [file exists gdb.core]} then {
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pass "GDB dumped core"
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} else {
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fail "GDB dumped core"
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}
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}
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}
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}
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-re ".*$prompt $" { fail "GDB dumped core" }
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timeout { fail "(timeout) GDB dumped core" }
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}
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system rm -f core core.gdb gdb.core
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# Set the timeout back to the value it had when we were called.
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set timeout $oldtimeout
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# Restart gdb in case next test expects it to be started already.
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gdb_start
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return 0
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}
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# Find a pathname to a file that we would execute if the shell was asked
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# to run $arg using the current PATH.
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proc find_gdb { arg } {
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# If the arg directly specifies an existing executable file, then
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# simply use it.
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if [file executable $arg] then {
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return $arg
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}
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set result [which $arg]
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if [string match "/" [ string range $result 0 0 ]] then {
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return $result
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}
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# If everything fails, just return the unqualified pathname as default
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# and hope for best.
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return $arg
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}
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# Run the test with self.
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# Copy the file executable file in case this OS doesn't like to edit it's own
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# text space.
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set GDB_FULLPATH [find_gdb $GDB]
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# Remove any old copy lying around.
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catch "exec rm -f ./x$tool"
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if ![file executable $GDB_FULLPATH] then {
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fail "couldn't convert $GDB to absolute pathname to make local copy"
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} else {
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if [catch "exec cp $GDB_FULLPATH ./x$tool"] then {
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fail "couldn't copy $GDB_FULLPATH to current directory"
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} else {
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verbose "\t\tCopied $GDB_FULLPATH to ./x$tool"
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if {[test_with_self] <0} then {
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warning "Couldn't test self"
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catch "exec rm -f ./x$tool"
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return -1
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}
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catch "exec rm -f ./x$tool"
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}
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}
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