-# 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
#
# 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
# 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\[)\]"
+}
+
+### 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
#
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
#
proc delete_breakpoints {} {
- global prompt
+ global gdb_prompt
- send "delete breakpoints\n"
- expect {
- -re "Delete all breakpoints\? \(y or n\) $" {
- send "y\n"
- continue -expect
+ send_gdb "delete breakpoints\n"
+ gdb_expect 30 {
+ -re "Delete all breakpoints.*y or n.*$" {
+ 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 $" { fail "breakpoints not deleted" ; return }
- timeout { fail "info breakpoints (timeout)" ; return }
+ send_gdb "info breakpoints\n"
+ gdb_expect 30 {
+ -re "No breakpoints or watchpoints..*$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] {
+ # According to Stu, this will always work.
+ gdb_load "";
+ 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"
+ gdb_expect 30 {
+ -re "Continuing at \[^\r\n\]*\[\r\n\]" {
+ if ![target_info exists gdb_stub] {
+ return;
+ }
+ }
+ -re "No symbol \"start\" in current.*$gdb_prompt $" {
+ send_gdb "jump *_start\n";
+ exp_continue;
+ }
+ -re "No symbol \"_start\" in current.*$gdb_prompt $" {
+ perror "Can't find start symbol to run in gdb_run";
+ return;
+ }
+ -re "Line.* Jump anyway.*y or n. $" {
+ send_gdb "y\n"
+ exp_continue;
+ }
+ -re "No symbol.*context.*$gdb_prompt $" {}
+ -re "The program is not being run.*$gdb_prompt $" {
+ gdb_load "";
+ send_gdb "jump *$start\n";
+ exp_continue;
+ }
+ 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
+}
+
+
+# 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]
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 \"$pattern\"\n"
}
set result -1
- set errmess ""
- # trap the send so any problems don't crash things
- catch "send \"$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;
+ }
+ gdb_expect 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 $" {
if ![isnative] then {
warning "Can`t communicate to remote target."
}
gdb_start
set result -1
}
- -re "$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
}
- "<return>" {
- send "\n"
+ "<return>" {
+ 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
}
+\f
+# 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
+ }
+ }
+}
+\f
+# 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 $message]
+}
+\f
proc gdb_reinitialize_dir { subdir } {
- global prompt
-
- send "dir\n"
- expect {
- -re "Reinitialize source path to empty.*" {
- send "y\n"
- expect {
- -re "Source directories searched.*$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."
}
}
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
- send "file $arg\n"
- expect {
- -re "Reading symbols from.*done.*$prompt $" {
+ if [is_remote host] {
+ set arg [remote_download host $arg];
+ if { $arg == "" } {
+ error "download failed"
+ return -1;
+ }
+ }
+
+ 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;
+}
+
+# * 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 "${srcdir}/${subdir}/compiler.cc" "${binfile}.ci" preprocess {}] != "" } {
+ perror "Couldn't make ${binfile}.ci file"
+ return 1;
+ }
+ }
+ } else {
+ if { [gdb_compile "${srcdir}/${subdir}/compiler.c" "${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 "${srcdir}/${subdir}/compiler.cc" "${binfile}.ci"] \
+ $args] != "" } {
+ perror "Couldn't make ${binfile}.ci file"
+ return 1;
+ }
+ }
+ } else {
+ if { [eval gdb_preprocess \
+ [list "${srcdir}/${subdir}/compiler.c" "${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 gdb_preprocess {source dest args} {
+ global CC_FOR_TARGET
+ global CXX_FOR_TARGET
+
+ if { [llength $args] == 0 } {
+ set which_compiler "c"
+ } else {
+ if { $args =="c++" } {
+ set which_compiler "c++"
+ } else {
+ perror "Unknown compiler type supplied to gdb_preprocess"
+ return 1;
+ }
+ }
+
+ 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 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 { $compiler == "" } {
+ puts "default_target_compile: No compiler to compile with";
+ return "default_target_compile: No compiler to compile with";
+ }
+ }
+ }
+
+ set cmdline "$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 } {
+ 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 $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
+ }
+}
+
+#
+# Check for long sequence of output by parts.
+# TEST: is the test message.
+# 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.
+#
+proc gdb_expect_list {test sentinal list} {
+ global gdb_prompt
+ set index 0
+ set ok 1
+ while { ${index} < [llength ${list}] } {
+ set pattern [lindex ${list} ${index}]
+ set index [expr ${index} + 1]
+ if { ${index} == [llength ${list}] } {
+ if { ${ok} } {
+ gdb_expect {
+ -re "${pattern}${sentinal}" {
+ pass "${test}, pattern ${index} + sentinal"
+ }
+ timeout {
+ fail "${test}, pattern ${index} + sentinal (timeout)"
+ set ok 0
+ }
+ }
+ } else {
+ fail "${test}, pattern ${index} + sentinal"
+ }
+ } else {
+ if { ${ok} } {
+ gdb_expect {
+ -re "${pattern}" {
+ pass "${test}, pattern ${index}"
+ }
+ -re "${sentinal}" {
+ fail "${test}, pattern ${index}"
+ set ok 0
+ }
+ timeout {
+ fail "${test}, pattern ${index} (timeout)"
+ set ok 0
+ }
+ }
+ } else {
+ fail "${test}, pattern ${index}"
+ }
+ }
+ }
+}
+
+#
+#
+proc gdb_suppress_entire_file { reason } {
+ global suppress_flag;
+
+ warning "$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}
+ }
+ }
+}
projects / deliverable / binutils-gdb.git / blobdiff