X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Ftestsuite%2Flib%2Fgdb.exp;h=c7990d1c7f5d50f7374d9b35c1002d2d8ea6d66d;hb=930764990dffdc53fe322f7db4ac952fd5d0446f;hp=911b8fd607012159ee8f1a38cade94c08bb887db;hpb=51763ee24597fc836d680c67af809c53d58ae762;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp index 911b8fd607..c7990d1c7f 100644 --- a/gdb/testsuite/lib/gdb.exp +++ b/gdb/testsuite/lib/gdb.exp @@ -1,4 +1,4 @@ -# Copyright (C) 1992 Free Software Foundation, Inc. +# Copyright (C) 1992, 1994, 1995, 1997, 1999 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 @@ -12,7 +12,7 @@ # # 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. */ +# 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 @@ -23,29 +23,86 @@ # need to be modified for any target, it can be done with a variable # or by passing arguments. -# dejagnu latest-931018 doesn't like "transform gdb". -#if ![info exists GDB] then { -# set GDB [transform gdb] -#} -if ![info exists GDBFLAGS] then { - set GDBFLAGS "" +load_lib libgloss.exp + +global GDB +global CHILL_LIB +global CHILL_RT0 + +if ![info exists CHILL_LIB] { + set CHILL_LIB [findfile $base_dir/../../gcc/ch/runtime/libchill.a "$base_dir/../../gcc/ch/runtime/libchill.a" [transform -lchill]] +} +verbose "using CHILL_LIB = $CHILL_LIB" 2 +if ![info exists CHILL_RT0] { + set CHILL_RT0 [findfile $base_dir/../../gcc/ch/runtime/chillrt0.o "$base_dir/../../gcc/ch/runtime/chillrt0.o" ""] +} +verbose "using CHILL_RT0 = $CHILL_RT0" 2 + +if [info exists TOOL_EXECUTABLE] { + set GDB $TOOL_EXECUTABLE; +} +if ![info exists GDB] { + if ![is_remote host] { + set GDB [findfile $base_dir/../../gdb/gdb "$base_dir/../../gdb/gdb" [transform gdb]] + } else { + set GDB [transform gdb]; + } +} +verbose "using GDB = $GDB" 2 + +global GDBFLAGS +if ![info exists GDBFLAGS] { + set GDBFLAGS "-nx" +} +verbose "using GDBFLAGS = $GDBFLAGS" 2 + +# The variable gdb_prompt is a regexp which matches the gdb prompt. +# Set it if it is not already set. +global gdb_prompt +if ![info exists gdb_prompt] then { + set gdb_prompt "\[(\]gdb\[)\]" +} + +# Needed for some tests under Cygwin. +global EXEEXT +global env + +if ![info exists env(EXEEXT)] { + set EXEEXT "" +} else { + set EXEEXT $env(EXEEXT) } +### Only procedures should come after this point. + # -# gdb_version -- extract and print the version number of gcc +# gdb_version -- extract and print the version number of GDB # proc default_gdb_version {} { global GDB global GDBFLAGS - if {[which $GDB] != 0} then { - set tmp [exec echo "q" | $GDB] - regexp " \[0-9\.\]+" $tmp version - clone_output "[which $GDB] version$version $GDBFLAGS\n" + global gdb_prompt + set fileid [open "gdb_cmd" w]; + puts $fileid "q"; + close $fileid; + set cmdfile [remote_download host "gdb_cmd"]; + set output [remote_exec host "$GDB -nw --command $cmdfile"] + remote_file build delete "gdb_cmd"; + remote_file host delete "$cmdfile"; + set tmp [lindex $output 1]; + set version "" + regexp " \[0-9\]\[^ \t\n\r\]+" "$tmp" version + if ![is_remote host] { + clone_output "[which $GDB] version $version $GDBFLAGS\n" } else { - warning "$GDB does not exist" + clone_output "$GDB on remote host version $version $GDBFLAGS\n" } } +proc gdb_version { } { + return [default_gdb_version]; +} + # # gdb_unload -- unload a file if one is loaded # @@ -53,21 +110,21 @@ proc default_gdb_version {} { proc gdb_unload {} { global verbose global GDB - global prompt - send "file\n" - expect { - -re "No exec file now\.\r" { continue -expect } - -re "No symbol file now\.\r" { continue -expect } - -re "A program is being debugged already..*Kill it\? \(y or n\) $"\ - { send "y\n" + global gdb_prompt + send_gdb "file\n" + gdb_expect 60 { + -re "No executable file now\[^\r\n\]*\[\r\n\]" { exp_continue } + -re "No symbol file now\[^\r\n\]*\[\r\n\]" { exp_continue } + -re "A program is being debugged already..*Kill it.*y or n. $"\ + { send_gdb "y\n" verbose "\t\tKilling previous program being debugged" - continue -expect + exp_continue } - -re "Discard symbol table from .*\? \(y or n\) $" { - send "y\n" - continue -expect + -re "Discard symbol table from .*y or n.*$" { + send_gdb "y\n" + exp_continue } - -re "$prompt $" {} + -re "$gdb_prompt $" {} timeout { perror "couldn't unload file in $GDB (timed out)." return -1 @@ -82,98 +139,260 @@ proc gdb_unload {} { # proc delete_breakpoints {} { - global prompt + global gdb_prompt - send "delete breakpoints\n" - expect { - -re "Delete all breakpoints\? \(y or n\) $" { - send "y\n" - continue -expect + # we need a larger timeout value here or this thing just confuses + # itself. May need a better implementation if possible. - guo + # + send_gdb "delete breakpoints\n" + gdb_expect 100 { + -re "Delete all breakpoints.*y or n.*$" { + send_gdb "y\n"; + exp_continue } - -re "y\r\n$prompt $" {} - -re ".*$prompt $" { fail "Delete all breakpoints" ; return } - timeout { fail "Delete all breakpoints (timeout)" ; return } + -re "$gdb_prompt $" { # This happens if there were no breakpoints + } + timeout { perror "Delete all breakpoints in delete_breakpoints (timeout)" ; return } } - send "info breakpoints\n" - expect { - -re "No breakpoints or watchpoints..*$prompt $" {} - -re ".*$prompt $" { fail "breakpoints not deleted" ; return } - timeout { fail "info breakpoints (timeout)" ; return } + send_gdb "info breakpoints\n" + gdb_expect 100 { + -re "No breakpoints or watchpoints..*$gdb_prompt $" {} + -re "$gdb_prompt $" { perror "breakpoints not deleted" ; return } + -re "Delete all breakpoints.*or n.*$" { + send_gdb "y\n"; + exp_continue + } + timeout { perror "info breakpoints (timeout)" ; return } } } # +# Generic run command. +# +# The second pattern below matches up to the first newline *only*. +# Using ``.*$'' could swallow up output that we attempt to match +# elsewhere. +# +proc gdb_run_cmd {args} { + global gdb_prompt + + if [target_info exists gdb_init_command] { + send_gdb "[target_info gdb_init_command]\n"; + gdb_expect 30 { + -re "$gdb_prompt $" { } + default { + perror "gdb_init_command for target failed"; + return; + } + } + } + + if [target_info exists use_gdb_stub] { + if [target_info exists gdb,do_reload_on_run] { + # Specifying no file, defaults to the executable + # currently being debugged. + if { [gdb_load ""] < 0 } { + return; + } + send_gdb "continue\n"; + gdb_expect 60 { + -re "Continu\[^\r\n\]*\[\r\n\]" {} + default {} + } + return; + } + + if [target_info exists gdb,start_symbol] { + set start [target_info gdb,start_symbol]; + } else { + set start "start"; + } + send_gdb "jump *$start\n" + set start_attempt 1; + while { $start_attempt } { + # Cap (re)start attempts at three to ensure that this loop + # always eventually fails. Don't worry about trying to be + # clever and not send a command when it has failed. + if [expr $start_attempt > 3] { + perror "Jump to start() failed (retry count exceeded)"; + return; + } + set start_attempt [expr $start_attempt + 1]; + gdb_expect 30 { + -re "Continuing at \[^\r\n\]*\[\r\n\]" { + set start_attempt 0; + } + -re "No symbol \"_start\" in current.*$gdb_prompt $" { + perror "Can't find start symbol to run in gdb_run"; + return; + } + -re "No symbol \"start\" in current.*$gdb_prompt $" { + send_gdb "jump *_start\n"; + } + -re "No symbol.*context.*$gdb_prompt $" { + set start_attempt 0; + } + -re "Line.* Jump anyway.*y or n. $" { + send_gdb "y\n" + } + -re "The program is not being run.*$gdb_prompt $" { + if { [gdb_load ""] < 0 } { + return; + } + send_gdb "jump *$start\n"; + } + timeout { + perror "Jump to start() failed (timeout)"; + return + } + } + } + if [target_info exists gdb_stub] { + gdb_expect 60 { + -re "$gdb_prompt $" { + send_gdb "continue\n" + } + } + } + return + } + send_gdb "run $args\n" +# This doesn't work quite right yet. + gdb_expect 60 { + -re "The program .* has been started already.*y or n. $" { + send_gdb "y\n" + exp_continue + } + -re "Starting program: \[^\r\n\]*" {} + } +} + +proc gdb_breakpoint { function } { + global gdb_prompt + global decimal + + send_gdb "break $function\n" + # The first two regexps are what we get with -g, the third is without -g. + gdb_expect 30 { + -re "Breakpoint \[0-9\]* at .*: file .*, line $decimal.\r\n$gdb_prompt $" {} + -re "Breakpoint \[0-9\]*: file .*, line $decimal.\r\n$gdb_prompt $" {} + -re "Breakpoint \[0-9\]* at .*$gdb_prompt $" {} + -re "$gdb_prompt $" { fail "setting breakpoint at $function" ; return 0 } + timeout { fail "setting breakpoint at $function (timeout)" ; return 0 } + } + return 1; +} + # Set breakpoint at function and run gdb until it breaks there. # Since this is the only breakpoint that will be set, if it stops # at a breakpoint, we will assume it is the one we want. We can't # just compare to "function" because it might be a fully qualified, # single quoted C++ function specifier. -# proc runto { function } { - global prompt + global gdb_prompt global decimal - send "delete\n" - expect { - -re "Delete all breakpoints\? \(y or n\) $" { - send "y\n" - expect { - -re "$prompt $" {} - timeout { fail "deleting breakpoints (timeout)" ; return 0 } - } - } - -re ".*$prompt $" {} - timeout { fail "deleting breakpoints (timeout)" ; return 0 } - } + delete_breakpoints - send "break $function\n" - # The first regexp is what we get with -g, the second without -g. - expect { - -re "Break.* at .*: file .*, line $decimal.\r\n$prompt $" {} - -re "Breakpoint \[0-9\]* at 0x\[0-9a-f\]*.*$prompt $" {} - -re "$prompt $" { fail "setting breakpoint at $function" ; return 0 } - timeout { fail "setting breakpoint at $function (timeout)" ; return 0 } + if ![gdb_breakpoint $function] { + return 0; } - send "run\n" + gdb_run_cmd + # the "at foo.c:36" output we get with -g. # the "in func" output we get without -g. - expect { - -re "The program .* has been started already.* \(y or n\) $" { - send "y\n" - continue -expect + gdb_expect 30 { + -re "Break.* at .*:$decimal.*$gdb_prompt $" { + return 1 } - -re "Starting.*Break.* at .*:$decimal.*$prompt $" { return 1 } - -re "Breakpoint \[0-9\]*, \[0-9xa-f\]* in $function.*$prompt $" { + -re "Breakpoint \[0-9\]*, \[0-9xa-f\]* in .*$gdb_prompt $" { return 1 } - -re "$prompt $" { fail "running to $function" ; return 0 } - timeout { fail "running to $function (timeout)" ; return 0 } + -re "$gdb_prompt $" { + fail "running to $function in runto" + return 0 + } + timeout { + fail "running to $function in runto (timeout)" + return 0 + } } + return 1 } # -# gdb_test -- send a command to gdb and test the result. -# Takes three parameters. -# Parameters: -# First one is the command to execute, -# Second one is the pattern to match for a PASS, -# Third one is an optional message to be printed. If this -# a null string "", then the pass/fail messages are not printed. -# Returns: -# 1 if the test failed, -# 0 if the test passes, -# -1 if there was an internal error. +# runto_main -- ask gdb to run until we hit a breakpoint at main. +# The case where the target uses stubs has to be handled +# specially--if it uses stubs, assuming we hit +# breakpoint() and just step out of the function. # +proc runto_main { } { + global gdb_prompt + global decimal + + if ![target_info exists gdb_stub] { + return [runto main] + } + + delete_breakpoints + + gdb_step_for_stub; + + return 1 +} + + +### Continue, and expect to hit a breakpoint. +### Report a pass or fail, depending on whether it seems to have +### worked. Use NAME as part of the test name; each call to +### continue_to_breakpoint should use a NAME which is unique within +### that test file. +proc gdb_continue_to_breakpoint {name} { + global gdb_prompt + set full_name "continue to breakpoint: $name" + + send_gdb "continue\n" + gdb_expect { + -re "Breakpoint .* at .*\r\n$gdb_prompt $" { + pass $full_name + } + -re ".*$gdb_prompt $" { + fail $full_name + } + timeout { + fail "$full_name (timeout)" + } + } +} + + + +# gdb_test COMMAND PATTERN MESSAGE -- send a command to gdb; test the result. +# +# COMMAND is the command to execute, send to GDB with send_gdb. If +# this is the null string no command is sent. +# PATTERN is the pattern to match for a PASS, and must NOT include +# the \r\n sequence immediately before the gdb prompt. +# MESSAGE is an optional message to be printed. If this is +# omitted, then the pass/fail messages use the command string as the +# message. (If this is the empty string, then sometimes we don't +# call pass or fail at all; I don't understand this at all.) +# +# Returns: +# 1 if the test failed, +# 0 if the test passes, +# -1 if there was an internal error. +# proc gdb_test { args } { global verbose - global prompt + global gdb_prompt global GDB - global spawn_id + upvar timeout timeout - if [llength $args]==3 then { + if [llength $args]>2 then { set message [lindex $args 2] } else { set message [lindex $args 0] @@ -181,6 +400,13 @@ proc gdb_test { args } { set command [lindex $args 0] set pattern [lindex $args 1] + if [llength $args]==5 { + set question_string [lindex $args 3]; + set response_string [lindex $args 4]; + } else { + set question_string "^FOOBAR$" + } + if $verbose>2 then { send_user "Sending \"$command\" to gdb\n" send_user "Looking to match \"$pattern\"\n" @@ -188,18 +414,68 @@ proc gdb_test { args } { } set result -1 - set errmess "" - # trap the send so any problems don't crash things - catch "send \"$command\n\"" errmess - if [string match "write\(spawn_id=\[0-9\]+\):" $errmess] then { - perror "sent \"$command\" got expect error \"$errmess\"" - catch "close" - gdb_start - return -1 - } - - expect { - -re ".*Ending remote debugging.*$prompt$" { + set string "${command}\n"; + if { $command != "" } { + while { "$string" != "" } { + set foo [string first "\n" "$string"]; + set len [string length "$string"]; + if { $foo < [expr $len - 1] } { + set str [string range "$string" 0 $foo]; + if { [send_gdb "$str"] != "" } { + global suppress_flag; + + if { ! $suppress_flag } { + perror "Couldn't send $command to GDB."; + } + fail "$message"; + return $result; + } + # since we're checking if each line of the multi-line + # command are 'accepted' by GDB here, + # we need to set -notransfer expect option so that + # command output is not lost for pattern matching + # - guo + gdb_expect -notransfer 2 { + -re "\[\r\n\]" { } + timeout { } + } + set string [string range "$string" [expr $foo + 1] end]; + } else { + break; + } + } + if { "$string" != "" } { + if { [send_gdb "$string"] != "" } { + global suppress_flag; + + if { ! $suppress_flag } { + perror "Couldn't send $command to GDB."; + } + fail "$message"; + return $result; + } + } + } + + if [info exists timeout] { + set tmt $timeout; + } else { + global timeout; + if [info exists timeout] { + set tmt $timeout; + } else { + set tmt 60; + } + } + gdb_expect $tmt { + -re "\\*\\*\\* DOSEXIT code.*" { + if { $message != "" } { + fail "$message"; + } + gdb_suppress_entire_file "GDB died"; + return -1; + } + -re "Ending remote debugging.*$gdb_prompt $" { if ![isnative] then { warning "Can`t communicate to remote target." } @@ -207,74 +483,221 @@ proc gdb_test { args } { gdb_start set result -1 } - -re "$pattern.*$prompt $" { + -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" { if ![string match "" $message] then { pass "$message" } set result 0 } - -re "Undefined command:.*$prompt" { + -re "(${question_string})$" { + send_gdb "$response_string\n"; + exp_continue; + } + -re "Undefined\[a-z\]* command:.*$gdb_prompt $" { perror "Undefined command \"$command\"." + fail "$message" set result 1 } - -re "Ambiguous command.*$prompt $" { + -re "Ambiguous command.*$gdb_prompt $" { perror "\"$command\" is not a unique command name." + fail "$message" set result 1 } - -re ".*$prompt $" { + -re "Program exited with code \[0-9\]+.*$gdb_prompt $" { + if ![string match "" $message] then { + set errmsg "$message: the program exited" + } else { + set errmsg "$command: the program exited" + } + fail "$errmsg" + return -1 + } + -re "The program is not being run.*$gdb_prompt $" { + if ![string match "" $message] then { + set errmsg "$message: the program is no longer running" + } else { + set errmsg "$command: the program is no longer running" + } + fail "$errmsg" + return -1 + } + -re ".*$gdb_prompt $" { if ![string match "" $message] then { fail "$message" } set result 1 } - "" { - send "\n" + "" { + send_gdb "\n" perror "Window too small." + fail "$message" } - -re "\(y or n\) " { - send "n\n" + -re "\\(y or n\\) " { + send_gdb "n\n" perror "Got interactive prompt." + fail "$message" } - eof { - perror "Process no longer exists" - return -1 + eof { + perror "Process no longer exists" + if { $message != "" } { + fail "$message" + } + return -1 } - buffer_full { + full_buffer { perror "internal buffer is full." + fail "$message" } timeout { - fail "(timeout) $message" + if ![string match "" $message] then { + fail "$message (timeout)" + } set result 1 } } return $result } + +# Test that a command gives an error. For pass or fail, return +# a 1 to indicate that more tests can proceed. However a timeout +# is a serious error, generates a special fail message, and causes +# a 0 to be returned to indicate that more tests are likely to fail +# as well. +proc test_print_reject { args } { + global gdb_prompt + global verbose + + if [llength $args]==2 then { + set expectthis [lindex $args 1] + } else { + set expectthis "should never match this bogus string" + } + set sendthis [lindex $args 0] + if $verbose>2 then { + send_user "Sending \"$sendthis\" to gdb\n" + send_user "Looking to match \"$expectthis\"\n" + } + send_gdb "$sendthis\n" + #FIXME: Should add timeout as parameter. + gdb_expect { + -re "A .* in expression.*\\.*$gdb_prompt $" { + pass "reject $sendthis" + return 1 + } + -re "Invalid syntax in expression.*$gdb_prompt $" { + pass "reject $sendthis" + return 1 + } + -re "Junk after end of expression.*$gdb_prompt $" { + pass "reject $sendthis" + return 1 + } + -re "Invalid number.*$gdb_prompt $" { + pass "reject $sendthis" + return 1 + } + -re "Invalid character constant.*$gdb_prompt $" { + pass "reject $sendthis" + return 1 + } + -re "No symbol table is loaded.*$gdb_prompt $" { + pass "reject $sendthis" + return 1 + } + -re "No symbol .* in current context.*$gdb_prompt $" { + pass "reject $sendthis" + return 1 + } + -re "$expectthis.*$gdb_prompt $" { + pass "reject $sendthis" + return 1 + } + -re ".*$gdb_prompt $" { + fail "reject $sendthis" + return 1 + } + default { + fail "reject $sendthis (eof or timeout)" + return 0 + } + } +} + +# Given an input string, adds backslashes as needed to create a +# regexp that will match the string. + +proc string_to_regexp {str} { + set result $str + regsub -all {[]*+.|()^$\[]} $str {\\&} result + return $result +} + +# Same as gdb_test, but the second parameter is not a regexp, +# but a string that must match exactly. + +proc gdb_test_exact { args } { + upvar timeout timeout + + set command [lindex $args 0] + + # This applies a special meaning to a null string pattern. Without + # this, "$pattern\r\n$gdb_prompt $" will match anything, including error + # messages from commands that should have no output except a new + # prompt. With this, only results of a null string will match a null + # string pattern. + + set pattern [lindex $args 1] + if [string match $pattern ""] { + set pattern [string_to_regexp [lindex $args 0]] + } else { + set pattern [string_to_regexp [lindex $args 1]] + } + + # It is most natural to write the pattern argument with only + # embedded \n's, especially if you are trying to avoid Tcl quoting + # problems. But gdb_expect really wants to see \r\n in patterns. So + # transform the pattern here. First transform \r\n back to \n, in + # case some users of gdb_test_exact already do the right thing. + regsub -all "\r\n" $pattern "\n" pattern + regsub -all "\n" $pattern "\r\n" pattern + if [llength $args]==3 then { + set message [lindex $args 2] + } else { + set message $command + } + + return [gdb_test $command $pattern $message] +} + proc gdb_reinitialize_dir { subdir } { - global prompt - - send "dir\n" - expect { - -re "Reinitialize source path to empty.*" { - send "y\n" - expect { - -re "Source directories searched.*$prompt $" { - send "dir $subdir\n" - expect { - -re "Source directories searched.*$prompt $" { + global gdb_prompt + + if [is_remote host] { + return ""; + } + send_gdb "dir\n" + gdb_expect 60 { + -re "Reinitialize source path to empty.*y or n. " { + send_gdb "y\n" + gdb_expect 60 { + -re "Source directories searched.*$gdb_prompt $" { + send_gdb "dir $subdir\n" + gdb_expect 60 { + -re "Source directories searched.*$gdb_prompt $" { verbose "Dir set to $subdir" } - -re ".*$prompt $" { + -re "$gdb_prompt $" { perror "Dir \"$subdir\" failed." } } } - -re ".*$prompt $" { + -re "$gdb_prompt $" { perror "Dir \"$subdir\" failed." } } } - -re ".*$prompt $" { + -re "$gdb_prompt $" { perror "Dir \"$subdir\" failed." } } @@ -287,104 +710,1017 @@ proc default_gdb_exit {} { global GDB global GDBFLAGS global verbose + global gdb_spawn_id; - verbose "Quitting $GDB $GDBFLAGS" 1 - - # This used to be 1 for unix-gdb.exp - set timeout 5 + gdb_stop_suppressing_tests; - catch "send \"quit\n\"" result - # If the process has gone away (e.g. gdb dumped core), deal with it. - if [string match "write\(spawn_id=\[0-9\]+\):" $result] then { - catch "close" - # FIXME: Shouldn't we call "wait" too? - return -1 + if ![info exists gdb_spawn_id] { + return; } - # FIXME: What is this catch statement doing here? Won't it prevent us - # from getting errors that we'd rather see? - catch { - expect { - eof { - verbose "Got EOF from $GDB" 2 - } - timeout { - verbose "Got TIMEOUT from $GDB" 2 - } - -re "The program is running. Quit anyway.*(y or n) $" { - send "y\n" - verbose "Killing program being debugged" 2 + + verbose "Quitting $GDB $GDBFLAGS" + + if { [is_remote host] && [board_info host exists fileid] } { + send_gdb "quit\n"; + gdb_expect 10 { + -re "y or n" { + send_gdb "y\n"; + exp_continue; } + -re "DOSEXIT code" { } + default { } } } - # Before this was here sometimes "uit" would get sent to the next GDB - # (assuming this is immediately followed by gdb_start), which would - # cause a loss of syncronization (i.e. all the stuff that swallows a - # prompt would swallow the wrong one). - wait + if ![is_remote host] { + remote_close host; + } + unset gdb_spawn_id } # -# gdb_load -- load a file into the debugger. -# return a -1 if anything goes wrong. +# load a file into the debugger. +# return a -1 if anything goes wrong. # proc gdb_file_cmd { arg } { global verbose global loadpath global loadfile global GDB - global prompt + global gdb_prompt + upvar timeout timeout + + if [is_remote host] { + set arg [remote_download host $arg]; + if { $arg == "" } { + error "download failed" + return -1; + } + } - send "file $arg\n" - expect { - -re "Reading symbols from.*done.*$prompt $" { + send_gdb "file $arg\n" + gdb_expect 120 { + -re "Reading symbols from.*done.*$gdb_prompt $" { verbose "\t\tLoaded $arg into the $GDB" return 0 } - -re "has no symbol-table.*$prompt $" { + -re "has no symbol-table.*$gdb_prompt $" { perror "$arg wasn't compiled with \"-g\"" return -1 } - -re "A program is being debugged already..*Kill it\? \(y or n\) $" { - send "y\n" + -re "A program is being debugged already.*Kill it.*y or n. $" { + send_gdb "y\n" verbose "\t\tKilling previous program being debugged" - continue -expect + exp_continue } - -re "Load new symbol table from.*\? \(y or n\) $" { - send "y\n" - expect { - -re "Reading symbols from.*done.*$prompt $" { + -re "Load new symbol table from \".*\".*y or n. $" { + send_gdb "y\n" + gdb_expect 120 { + -re "Reading symbols from.*done.*$gdb_prompt $" { verbose "\t\tLoaded $arg with new symbol table into $GDB" return 0 } timeout { - perror "(timeout) Couldn't load $arg, other program already l -oaded." + perror "(timeout) Couldn't load $arg, other program already loaded." return -1 } } } - -re ".*No such file or directory.*$prompt $" { + -re "No such file or directory.*$gdb_prompt $" { perror "($arg) No such file or directory\n" return -1 } - -re "$prompt $" { + -re "$gdb_prompt $" { perror "couldn't load $arg into $GDB." return -1 } timeout { - error "couldn't load $arg into $GDB (timed out)." + perror "couldn't load $arg into $GDB (timed out)." return -1 } eof { # This is an attempt to detect a core dump, but seems not to # work. Perhaps we need to match .* followed by eof, in which - # expect does not seem to have a way to do that. - error "couldn't load $arg into $GDB (end of file)." + # gdb_expect does not seem to have a way to do that. + perror "couldn't load $arg into $GDB (end of file)." return -1 } } } +# +# start gdb -- start gdb running, default procedure +# +# When running over NFS, particularly if running many simultaneous +# tests on different hosts all using the same server, things can +# get really slow. Give gdb at least 3 minutes to start up. +# +proc default_gdb_start { } { + global verbose + global GDB + global GDBFLAGS + global gdb_prompt + global timeout + global gdb_spawn_id; + + gdb_stop_suppressing_tests; + + verbose "Spawning $GDB -nw $GDBFLAGS" + + if [info exists gdb_spawn_id] { + return 0; + } + + if ![is_remote host] { + if { [which $GDB] == 0 } then { + perror "$GDB does not exist." + exit 1 + } + } + set res [remote_spawn host "$GDB -nw $GDBFLAGS [host_info gdb_opts]"]; + if { $res < 0 || $res == "" } { + perror "Spawning $GDB failed." + return 1; + } + gdb_expect 360 { + -re "\[\r\n\]$gdb_prompt $" { + verbose "GDB initialized." + } + -re "$gdb_prompt $" { + perror "GDB never initialized." + return -1 + } + timeout { + perror "(timeout) GDB never initialized after 10 seconds." + remote_close host; + return -1 + } + } + set gdb_spawn_id -1; + # force the height to "unlimited", so no pagers get used + + send_gdb "set height 0\n" + gdb_expect 10 { + -re "$gdb_prompt $" { + verbose "Setting height to 0." 2 + } + timeout { + warning "Couldn't set the height to 0" + } + } + # force the width to "unlimited", so no wraparound occurs + send_gdb "set width 0\n" + gdb_expect 10 { + -re "$gdb_prompt $" { + verbose "Setting width to 0." 2 + } + timeout { + warning "Couldn't set the width to 0." + } + } + return 0; +} + +# Return a 1 for configurations for which we don't even want to try to +# test C++. + +proc skip_cplus_tests {} { + if { [istarget "d10v-*-*"] } { + return 1 + } + if { [istarget "h8300-*-*"] } { + return 1 + } + return 0 +} + +# * For crosses, the CHILL runtime doesn't build because it can't find +# setjmp.h, stdio.h, etc. +# * For AIX (as of 16 Mar 95), (a) there is no language code for +# CHILL in output_epilog in gcc/config/rs6000/rs6000.c, (b) collect2 +# does not get along with AIX's too-clever linker. +# * On Irix5, there is a bug whereby set of bool, etc., don't get +# TYPE_LOW_BOUND for the bool right because force_to_range_type doesn't +# work with stub types. +# Lots of things seem to fail on the PA, and since it's not a supported +# chill target at the moment, don't run the chill tests. + +proc skip_chill_tests {} { + if ![info exists do_chill_tests] { + return 1; + } + eval set skip_chill [expr ![isnative] || [istarget "*-*-aix*"] || [istarget "*-*-irix5*"] || [istarget "*-*-irix6*"] || [istarget "alpha-*-osf*"] || [istarget "hppa*-*-*"]] + verbose "Skip chill tests is $skip_chill" + return $skip_chill +} + +# Skip all the tests in the file if you are not on an hppa running +# hpux target. + +proc skip_hp_tests {} { + eval set skip_hp [ expr ![isnative] || ![istarget "hppa*-*-hpux*"] ] + verbose "Skip hp tests is $skip_hp" + return $skip_hp +} + +proc get_compiler_info {binfile args} { + # Create and source the file that provides information about the compiler + # used to compile the test case. + # Compiler_type can be null or c++. If null we assume c. + global srcdir + global subdir + # These two come from compiler.c. + global signed_keyword_not_used + global gcc_compiled + + if {![istarget "hppa*-*-hpux*"]} { + if { [llength $args] > 0 } { + if {$args == "c++"} { + if { [gdb_compile "${srcdir}/lib/compiler.cc" "${binfile}.ci" preprocess {}] != "" } { + perror "Couldn't make ${binfile}.ci file" + return 1; + } + } + } else { + if { [gdb_compile "${srcdir}/lib/compiler.c" "${binfile}.ci" preprocess {}] != "" } { + perror "Couldn't make ${binfile}.ci file" + return 1; + } + } + } else { + if { [llength $args] > 0 } { + if {$args == "c++"} { + if { [eval gdb_preprocess \ + [list "${srcdir}/lib/compiler.cc" "${binfile}.ci"] \ + $args] != "" } { + perror "Couldn't make ${binfile}.ci file" + return 1; + } + } + } elseif { $args != "f77" } { + if { [eval gdb_preprocess \ + [list "${srcdir}/lib/compiler.c" "${binfile}.ci"] \ + $args] != "" } { + perror "Couldn't make ${binfile}.ci file" + return 1; + } + } + } + + uplevel \#0 { set gcc_compiled 0 } + if { [llength $args] == 0 || $args != "f77" } { + source ${binfile}.ci + } + + # Most compilers will evaluate comparisons and other boolean + # operations to 0 or 1. + uplevel \#0 { set true 1 } + uplevel \#0 { set false 0 } + + uplevel \#0 { set hp_cc_compiler 0 } + uplevel \#0 { set hp_aCC_compiler 0 } + uplevel \#0 { set hp_f77_compiler 0 } + uplevel \#0 { set hp_f90_compiler 0 } + if { !$gcc_compiled && [istarget "hppa*-*-hpux*"] } { + # Check for the HP compilers + set compiler [lindex [split [get_compiler $args] " "] 0] + catch "exec what $compiler" output + if [regexp ".*HP aC\\+\\+.*" $output] { + uplevel \#0 { set hp_aCC_compiler 1 } + # Use of aCC results in boolean results being displayed as + # "true" or "false" + uplevel \#0 { set true true } + uplevel \#0 { set false false } + } elseif [regexp ".*HP C Compiler.*" $output] { + uplevel \#0 { set hp_cc_compiler 1 } + } elseif [regexp ".*HP-UX f77.*" $output] { + uplevel \#0 { set hp_f77_compiler 1 } + } elseif [regexp ".*HP-UX f90.*" $output] { + uplevel \#0 { set hp_f90_compiler 1 } + } + } + + return 0; +} + +proc get_compiler {args} { + global CC CC_FOR_TARGET CXX CXX_FOR_TARGET F77_FOR_TARGET + + if { [llength $args] == 0 + || ([llength $args] == 1 && [lindex $args 0] == "") } { + set which_compiler "c" + } else { + if { $args =="c++" } { + set which_compiler "c++" + } elseif { $args =="f77" } { + set which_compiler "f77" + } else { + perror "Unknown compiler type supplied to gdb_preprocess" + return "" + } + } + + if [info exists CC_FOR_TARGET] { + if {$which_compiler == "c"} { + set compiler $CC_FOR_TARGET + } + } + + if [info exists CXX_FOR_TARGET] { + if {$which_compiler == "c++"} { + set compiler $CXX_FOR_TARGET + } + } + + if [info exists F77_FOR_TARGET] { + if {$which_compiler == "f77"} { + set compiler $F77_FOR_TARGET + } + } + + if { ![info exists compiler] } { + if { $which_compiler == "c" } { + if {[info exists CC]} { + set compiler $CC + } + } + if { $which_compiler == "c++" } { + if {[info exists CXX]} { + set compiler $CXX + } + } + if {![info exists compiler]} { + set compiler [board_info [target_info name] compiler]; + if { $compiler == "" } { + perror "get_compiler: No compiler found" + return "" + } + } + } + + return $compiler +} + +proc gdb_preprocess {source dest args} { + set compiler [get_compiler "$args"] + if { $compiler == "" } { + return 1 + } + + set cmdline "$compiler -E $source > $dest" + + verbose "Invoking $compiler -E $source > $dest" + verbose -log "Executing on local host: $cmdline" 2 + set status [catch "exec ${cmdline}" exec_output] + + set result [prune_warnings $exec_output] + regsub "\[\r\n\]*$" "$result" "" result; + regsub "^\[\r\n\]*" "$result" "" result; + if { $result != "" } { + clone_output "gdb compile failed, $result" + } + return $result; +} + +proc gdb_compile {source dest type options} { + global GDB_TESTCASE_OPTIONS; + + if [target_info exists gdb_stub] { + set options2 { "additional_flags=-Dusestubs" } + lappend options "libs=[target_info gdb_stub]"; + set options [concat $options2 $options] + } + if [target_info exists is_vxworks] { + set options2 { "additional_flags=-Dvxworks" } + lappend options "libs=[target_info gdb_stub]"; + set options [concat $options2 $options] + } + if [info exists GDB_TESTCASE_OPTIONS] { + lappend options "additional_flags=$GDB_TESTCASE_OPTIONS"; + } + verbose "options are $options" + verbose "source is $source $dest $type $options" + + set result [target_compile $source $dest $type $options]; + regsub "\[\r\n\]*$" "$result" "" result; + regsub "^\[\r\n\]*" "$result" "" result; + if { $result != "" } { + clone_output "gdb compile failed, $result" + } + return $result; +} + +proc send_gdb { string } { + global suppress_flag; + if { $suppress_flag } { + return "suppressed"; + } + return [remote_send host "$string"]; +} + +# +# + +proc gdb_expect { args } { + # allow -notransfer expect flag specification, + # used by gdb_test routine for multi-line commands. + # packed with gtimeout when fed to remote_expect routine, + # which is a hack but due to what looks like a res and orig + # parsing problem in remote_expect routine (dejagnu/lib/remote.exp): + # what's fed into res is not removed from orig. + # - guo + if { [lindex $args 0] == "-notransfer" } { + set notransfer -notransfer; + set args [lrange $args 1 end]; + } else { + set notransfer ""; + } + + if { [llength $args] == 2 && [lindex $args 0] != "-re" } { + set gtimeout [lindex $args 0]; + set expcode [list [lindex $args 1]]; + } else { + upvar timeout timeout; + + set expcode $args; + if [target_info exists gdb,timeout] { + if [info exists timeout] { + if { $timeout < [target_info gdb,timeout] } { + set gtimeout [target_info gdb,timeout]; + } else { + set gtimeout $timeout; + } + } else { + set gtimeout [target_info gdb,timeout]; + } + } + + if ![info exists gtimeout] { + global timeout; + if [info exists timeout] { + set gtimeout $timeout; + } else { + # Eeeeew. + set gtimeout 60; + } + } + } + global suppress_flag; + global remote_suppress_flag; + if [info exists remote_suppress_flag] { + set old_val $remote_suppress_flag; + } + if [info exists suppress_flag] { + if { $suppress_flag } { + set remote_suppress_flag 1; + } + } + set code [catch \ + {uplevel remote_expect host "$gtimeout $notransfer" $expcode} string]; + if [info exists old_val] { + set remote_suppress_flag $old_val; + } else { + if [info exists remote_suppress_flag] { + unset remote_suppress_flag; + } + } + + if {$code == 1} { + global errorInfo errorCode; + + return -code error -errorinfo $errorInfo -errorcode $errorCode $string + } elseif {$code == 2} { + return -code return $string + } elseif {$code == 3} { + return + } elseif {$code > 4} { + return -code $code $string + } +} + +# gdb_expect_list MESSAGE SENTINEL LIST -- expect a sequence of outputs +# +# Check for long sequence of output by parts. +# MESSAGE: is the test message to be printed with the test success/fail. +# SENTINEL: Is the terminal pattern indicating that output has finished. +# LIST: is the sequence of outputs to match. +# If the sentinel is recognized early, it is considered an error. +# +# Returns: +# 1 if the test failed, +# 0 if the test passes, +# -1 if there was an internal error. +# +proc gdb_expect_list {test sentinel list} { + global gdb_prompt + global suppress_flag + set index 0 + set ok 1 + if { $suppress_flag } { + set ok 0 + } + while { ${index} < [llength ${list}] } { + set pattern [lindex ${list} ${index}] + set index [expr ${index} + 1] + if { ${index} == [llength ${list}] } { + if { ${ok} } { + gdb_expect { + -re "${pattern}${sentinel}" { + pass "${test}, pattern ${index} + sentinel" + } + -re "${sentinel}" { + fail "${test}, pattern ${index} + sentinel" + set ok 0 + } + timeout { + fail "${test}, pattern ${index} + sentinel (timeout)" + set ok 0 + } + } + } else { + unresolved "${test}, pattern ${index} + sentinel" + } + } else { + if { ${ok} } { + gdb_expect { + -re "${pattern}" { + pass "${test}, pattern ${index}" + } + -re "${sentinel}" { + fail "${test}, pattern ${index}" + set ok 0 + } + timeout { + fail "${test}, pattern ${index} (timeout)" + set ok 0 + } + } + } else { + unresolved "${test}, pattern ${index}" + } + } + } + if { ${ok} } { + return 0 + } else { + return 1 + } +} + +# +# +proc gdb_suppress_entire_file { reason } { + global suppress_flag; + + warning "$reason\n"; + set suppress_flag -1; +} + +# +# Set suppress_flag, which will cause all subsequent calls to send_gdb and +# gdb_expect to fail immediately (until the next call to +# gdb_stop_suppressing_tests). +# +proc gdb_suppress_tests { args } { + global suppress_flag; + + return; # fnf - disable pending review of results where + # testsuite ran better without this + incr suppress_flag; + + if { $suppress_flag == 1 } { + if { [llength $args] > 0 } { + warning "[lindex $args 0]\n"; + } else { + warning "Because of previous failure, all subsequent tests in this group will automatically fail.\n"; + } + } +} + +# +# Clear suppress_flag. +# +proc gdb_stop_suppressing_tests { } { + global suppress_flag; + + if [info exists suppress_flag] { + if { $suppress_flag > 0 } { + set suppress_flag 0; + clone_output "Tests restarted.\n"; + } + } else { + set suppress_flag 0; + } +} + +proc gdb_clear_suppressed { } { + global suppress_flag; + + set suppress_flag 0; +} + +proc gdb_start { } { + default_gdb_start +} + +proc gdb_exit { } { + catch default_gdb_exit +} + +# +# gdb_load -- load a file into the debugger. +# return a -1 if anything goes wrong. +# +proc gdb_load { arg } { + return [gdb_file_cmd $arg] +} + +proc gdb_continue { function } { + global decimal + + return [gdb_test "continue" ".*Breakpoint $decimal, $function .*" "continue to $function"]; +} + +proc default_gdb_init { args } { + gdb_clear_suppressed; + + # Uh, this is lame. Really, really, really lame. But there's this *one* + # testcase that will fail in random places if we don't increase this. + match_max -d 20000 + + # We want to add the name of the TCL testcase to the PASS/FAIL messages. + if { [llength $args] > 0 } { + global pf_prefix + + set file [lindex $args 0]; + + set pf_prefix "[file tail [file dirname $file]]/[file tail $file]:"; + } + global gdb_prompt; + if [target_info exists gdb_prompt] { + set gdb_prompt [target_info gdb_prompt]; + } else { + set gdb_prompt "\\(gdb\\)" + } +} + +proc gdb_init { args } { + return [eval default_gdb_init $args]; +} + +proc gdb_finish { } { + gdb_exit; +} + +global debug_format +set debug_format "unknown" + +# Run the gdb command "info source" and extract the debugging format +# information from the output and save it in debug_format. + +proc get_debug_format { } { + global gdb_prompt + global verbose + global expect_out + global debug_format + + set debug_format "unknown" + send_gdb "info source\n" + gdb_expect 10 { + -re "Compiled with (.*) debugging format.\r\n$gdb_prompt $" { + set debug_format $expect_out(1,string) + verbose "debug format is $debug_format" + return 1; + } + -re "No current source file.\r\n$gdb_prompt $" { + perror "get_debug_format used when no current source file" + return 0; + } + -re "$gdb_prompt $" { + warning "couldn't check debug format (no valid response)." + return 1; + } + timeout { + warning "couldn't check debug format (timed out)." + return 1; + } + } +} + +# Like setup_xfail, but takes the name of a debug format (DWARF 1, +# COFF, stabs, etc). If that format matches the format that the +# current test was compiled with, then the next test is expected to +# fail for any target. Returns 1 if the next test or set of tests is +# expected to fail, 0 otherwise (or if it is unknown). Must have +# previously called get_debug_format. + +proc setup_xfail_format { format } { + global debug_format + + if [string match $debug_format $format] then { + setup_xfail "*-*-*" + return 1; + } + return 0 +} + +proc gdb_step_for_stub { } { + global gdb_prompt; + + if ![target_info exists gdb,use_breakpoint_for_stub] { + if [target_info exists gdb_stub_step_command] { + set command [target_info gdb_stub_step_command]; + } else { + set command "step"; + } + send_gdb "${command}\n"; + set tries 0; + gdb_expect 60 { + -re "(main.* at |.*in .*start).*$gdb_prompt" { + return; + } + -re ".*$gdb_prompt" { + incr tries; + if { $tries == 5 } { + fail "stepping out of breakpoint function"; + return; + } + send_gdb "${command}\n"; + exp_continue; + } + default { + fail "stepping out of breakpoint function"; + return; + } + } + } + send_gdb "where\n"; + gdb_expect { + -re "main\[^\r\n\]*at \(\[^:]+\):\(\[0-9\]+\)" { + set file $expect_out(1,string); + set linenum [expr $expect_out(2,string) + 1]; + set breakplace "${file}:${linenum}"; + } + default {} + } + send_gdb "break ${breakplace}\n"; + gdb_expect 60 { + -re "Breakpoint (\[0-9\]+) at.*$gdb_prompt" { + set breakpoint $expect_out(1,string); + } + -re "Breakpoint (\[0-9\]+): file.*$gdb_prompt" { + set breakpoint $expect_out(1,string); + } + default {} + } + send_gdb "continue\n"; + gdb_expect 60 { + -re "Breakpoint ${breakpoint},.*$gdb_prompt" { + gdb_test "delete $breakpoint" ".*" ""; + return; + } + default {} + } +} + +### gdb_get_line_number TEXT [FILE] +### +### Search the source file FILE, and return the line number of a line +### containing TEXT. Use this function instead of hard-coding line +### numbers into your test script. +### +### Specifically, this function uses GDB's "search" command to search +### FILE for the first line containing TEXT, and returns its line +### number. Thus, FILE must be a source file, compiled into the +### executable you are running. If omitted, FILE defaults to the +### value of the global variable `srcfile'; most test scripts set +### `srcfile' appropriately at the top anyway. +### +### Use this function to keep your test scripts independent of the +### exact line numbering of the source file. Don't write: +### +### send_gdb "break 20" +### +### This means that if anyone ever edits your test's source file, +### your test could break. Instead, put a comment like this on the +### source file line you want to break at: +### +### /* breakpoint spot: frotz.exp: test name */ +### +### and then write, in your test script (which we assume is named +### frotz.exp): +### +### send_gdb "break [gdb_get_line_number "frotz.exp: test name"]\n" +### +### (Yes, Tcl knows how to handle the nested quotes and brackets. +### Try this: +### $ tclsh +### % puts "foo [lindex "bar baz" 1]" +### foo baz +### % +### Tcl is quite clever, for a little stringy language.) + +proc gdb_get_line_number {text {file /omitted/}} { + global gdb_prompt; + global srcfile; + + if {! [string compare $file /omitted/]} { + set file $srcfile + } + + set result -1; + gdb_test "list ${file}:1,1" ".*" "" + send_gdb "search ${text}\n" + gdb_expect { + -re "\[\r\n\]+(\[0-9\]+)\[ \t\].*${text}.*$gdb_prompt $" { + set result $expect_out(1,string) + } + -re ".*$gdb_prompt $" { + fail "find line number containing \"${text}\"" + } + timeout { + fail "find line number containing \"${text}\" (timeout)" + } + } + return $result; +} + +# gdb_continue_to_end: +# The case where the target uses stubs has to be handled specially. If a +# stub is used, we set a breakpoint at exit because we cannot rely on +# exit() behavior of a remote target. +# +# mssg is the error message that gets printed. + +proc gdb_continue_to_end {mssg} { + if [target_info exists use_gdb_stub] { + if {![gdb_breakpoint "exit"]} { + return 0 + } + gdb_test "continue" "Continuing..*Breakpoint .*exit.*" \ + "continue until exit at $mssg" + } else { + # Continue until we exit. Should not stop again. + # Don't bother to check the output of the program, that may be + # extremely tough for some remote systems. + gdb_test "continue"\ + "Continuing.\[\r\n0-9\]+Program exited normally\\..*"\ + "continue until exit at $mssg" + } +} + +proc rerun_to_main {} { + global gdb_prompt + + if [target_info exists use_gdb_stub] { + gdb_run_cmd + gdb_expect { + -re ".*Breakpoint .*main .*$gdb_prompt $"\ + {pass "rerun to main" ; return 0} + -re "$gdb_prompt $"\ + {fail "rerun to main" ; return 0} + timeout {fail "(timeout) rerun to main" ; return 0} + } + } else { + send_gdb "run\n" + gdb_expect { + -re "Starting program.*$gdb_prompt $"\ + {pass "rerun to main" ; return 0} + -re "$gdb_prompt $"\ + {fail "rerun to main" ; return 0} + timeout {fail "(timeout) rerun to main" ; return 0} + } + } +} + +# From dejagnu: +# srcdir = testsuite src dir (e.g., devo/gdb/testsuite) +# objdir = testsuite obj dir (e.g., gdb/testsuite) +# subdir = subdir of testsuite (e.g., gdb.gdbtk) +# +# To gdbtk: +# env(DEFS)=the "defs" files (e.g., devo/gdb/testsuite/gdb.gdbtk/defs) +# env(SRCDIR)=directory containing the test code (e.g., *.test) +# env(OBJDIR)=directory which contains any executables +# (e.g., gdb/testsuite/gdb.gdbtk) +proc gdbtk_start {test} { + global verbose + global GDB + global GDBFLAGS + global env srcdir subdir objdir + + gdb_stop_suppressing_tests; + + verbose "Starting $GDB -nx -q --tclcommand=$test" + + set real_test [which $test] + if {$real_test == 0} { + perror "$test is not found" + exit 1 + } + + if {![is_remote host]} { + if { [which $GDB] == 0 } { + perror "$GDB does not exist." + exit 1 + } + } + + + set wd [pwd] + cd $srcdir + set abs_srcdir [pwd] + cd [file join $abs_srcdir .. gdbtk library] + set env(GDBTK_LIBRARY) [pwd] + cd [file join $abs_srcdir .. .. tcl library] + set env(TCL_LIBRARY) [pwd] + cd [file join $abs_srcdir .. .. tk library] + set env(TK_LIBRARY) [pwd] + cd [file join $abs_srcdir .. .. tix library] + set env(TIX_LIBRARY) [pwd] + cd [file join $abs_srcdir .. .. itcl itcl library] + set env(ITCL_LIBRARY) [pwd] + cd [file join .. $abs_srcdir .. .. libgui library] + set env(CYGNUS_GUI_LIBRARY) [pwd] + cd $wd + cd [file join $abs_srcdir $subdir] + set env(DEFS) [file join [pwd] defs] + cd $wd + cd [file join $objdir $subdir] + set env(OBJDIR) [pwd] + cd $wd + + set env(SRCDIR) $abs_srcdir + set env(GDBTK_VERBOSE) 1 + set env(GDBTK_LOGFILE) [file join $objdir gdb.log] + set env(GDBTK_TEST_RUNNING) 1 + set err [catch {exec $GDB -nx -q --tclcommand=$test} res] + if { $err } { + perror "Execing $GDB failed: $res" + exit 1; + } + return $res +} + +# gdbtk tests call this function to print out the results of the +# tests. The argument is a proper list of lists of the form: +# {status name description msg}. All of these things typically +# come from the testsuite harness. +proc gdbtk_analyze_results {results} { + foreach test $results { + set status [lindex $test 0] + set name [lindex $test 1] + set description [lindex $test 2] + set msg [lindex $test 3] + + switch $status { + PASS { + pass "$description ($name)" + } + + FAIL { + fail "$description ($name)" + } + + ERROR { + perror "$name" + } + + XFAIL { + xfail "$description ($name)" + } + + XPASS { + xpass "$description ($name)" + } + } + } +} + +# Print a message and return true if a test should be skipped +# due to lack of floating point suport. + +proc gdb_skip_float_test { msg } { + if [target_info exists gdb,skip_float_tests] { + verbose "Skipping test '$msg': no float tests."; + return 1; + } + return 0; +} + +# Print a message and return true if a test should be skipped +# due to lack of stdio support. + +proc gdb_skip_stdio_test { msg } { + if [target_info exists gdb,noinferiorio] { + verbose "Skipping test '$msg': no inferior i/o."; + return 1; + } + return 0; +} + +proc gdb_skip_bogus_test { msg } { + return 0; +}