X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Ftestsuite%2Flib%2Fgdb.exp;h=f3b990d678d42622f889815d586dc058849de268;hb=51e139990ee36293871e2d3080c4163098cb0201;hp=8ca073567b873c4d2fb4446d4305e5e3527db020;hpb=eb659148adacd1d72ff6de09aed350c63ba0a456;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp index 8ca073567b..a42d5517f6 100644 --- a/gdb/testsuite/lib/gdb.exp +++ b/gdb/testsuite/lib/gdb.exp @@ -1,21 +1,18 @@ -# Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc. +# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or +# the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. -# +# # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. -# +# # You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 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 +# along with this program. If not, see . # This file was written by Fred Fish. (fnf@cygnus.com) @@ -23,64 +20,101 @@ # need to be modified for any target, it can be done with a variable # or by passing arguments. +if {$tool == ""} { + # Tests would fail, logs on get_compiler_info() would be missing. + send_error "`site.exp' not found, run `make site.exp'!\n" + exit 2 +} + 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" ""] +if [info exists TOOL_EXECUTABLE] { + set GDB $TOOL_EXECUTABLE; } -verbose "using CHILL_RT0 = $CHILL_RT0" 2 - if ![info exists GDB] { if ![is_remote host] { set GDB [findfile $base_dir/../../gdb/gdb "$base_dir/../../gdb/gdb" [transform gdb]] } else { - set GDB gdb + set GDB [transform gdb]; } } verbose "using GDB = $GDB" 2 +# GDBFLAGS is available for the user to set on the command line. +# E.g. make check RUNTESTFLAGS=GDBFLAGS=mumble +# Testcases may use it to add additional flags, but they must: +# - append new flags, not overwrite +# - restore the original value when done global GDBFLAGS if ![info exists GDBFLAGS] { - set GDBFLAGS "-nx" + set GDBFLAGS "" } verbose "using GDBFLAGS = $GDBFLAGS" 2 -# The variable prompt is a regexp which matches the gdb prompt. Set it if it -# is not already set. +# INTERNAL_GDBFLAGS contains flags that the testsuite requires. +global INTERNAL_GDBFLAGS +if ![info exists INTERNAL_GDBFLAGS] { + set INTERNAL_GDBFLAGS "-nw -nx" +} + +# 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 prompt] then { +if ![info exists gdb_prompt] then { set gdb_prompt "\[(\]gdb\[)\]" } +# The variable fullname_syntax_POSIX is a regexp which matches a POSIX +# absolute path ie. /foo/ +set fullname_syntax_POSIX {/[^\n]*/} +# The variable fullname_syntax_UNC is a regexp which matches a Windows +# UNC path ie. \\D\foo\ +set fullname_syntax_UNC {\\\\[^\\]+\\[^\n]+\\} +# The variable fullname_syntax_DOS_CASE is a regexp which matches a +# particular DOS case that GDB most likely will output +# ie. \foo\, but don't match \\.*\ +set fullname_syntax_DOS_CASE {\\[^\\][^\n]*\\} +# The variable fullname_syntax_DOS is a regexp which matches a DOS path +# ie. a:\foo\ && a:foo\ +set fullname_syntax_DOS {[a-zA-Z]:[^\n]*\\} +# The variable fullname_syntax is a regexp which matches what GDB considers +# an absolute path. It is currently debatable if the Windows style paths +# d:foo and \abc should be considered valid as an absolute path. +# Also, the purpse of this regexp is not to recognize a well formed +# absolute path, but to say with certainty that a path is absolute. +set fullname_syntax "($fullname_syntax_POSIX|$fullname_syntax_UNC|$fullname_syntax_DOS_CASE|$fullname_syntax_DOS)" + +# Needed for some tests under Cygwin. +global EXEEXT +global env + +if ![info exists env(EXEEXT)] { + set EXEEXT "" +} else { + set EXEEXT $env(EXEEXT) +} + +set octal "\[0-7\]+" + +### Only procedures should come after this point. + # # gdb_version -- extract and print the version number of GDB # proc default_gdb_version {} { global GDB - global GDBFLAGS + global INTERNAL_GDBFLAGS GDBFLAGS 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 output [remote_exec host "$GDB $INTERNAL_GDBFLAGS --version"] 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" + clone_output "[which $GDB] version $version $INTERNAL_GDBFLAGS $GDBFLAGS\n" } else { - clone_output "$GDB on remote host version $version $GDBFLAGS\n" + clone_output "$GDB on remote host version $version $INTERNAL_GDBFLAGS $GDBFLAGS\n" } } @@ -97,15 +131,15 @@ proc gdb_unload {} { global GDB global gdb_prompt send_gdb "file\n" - expect { - -re "No exec file now.*\r" { exp_continue } - -re "No symbol file now.*\r" { exp_continue } + 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" exp_continue } - -re "Discard symbol table from .*y or n. $" { + -re "Discard symbol table from .*y or n.*$" { send_gdb "y\n" exp_continue } @@ -125,27 +159,29 @@ proc gdb_unload {} { proc delete_breakpoints {} { global gdb_prompt - global gdb_spawn_id + # 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" - expect { - -i $gdb_spawn_id -re ".*Delete all breakpoints.*y or n.*$" { + gdb_expect 100 { + -re "Delete all breakpoints.*y or n.*$" { send_gdb "y\n"; exp_continue } - -i $gdb_spawn_id -re ".*$gdb_prompt $" { # This happens if there were no breakpoints + -re "$gdb_prompt $" { # This happens if there were no breakpoints } - -i $gdb_spawn_id timeout { perror "Delete all breakpoints in delete_breakpoints (timeout)" ; return } + timeout { perror "Delete all breakpoints in delete_breakpoints (timeout)" ; return } } send_gdb "info breakpoints\n" - expect { - -i $gdb_spawn_id -re "No breakpoints or watchpoints..*$gdb_prompt $" {} - -i $gdb_spawn_id -re ".*$gdb_prompt $" { perror "breakpoints not deleted" ; return } - -i $gdb_spawn_id -re "Delete all breakpoints.*or n.*$" { + 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 } - -i $gdb_spawn_id timeout { perror "info breakpoints (timeout)" ; return } + timeout { perror "info breakpoints (timeout)" ; return } } } @@ -159,76 +195,195 @@ proc delete_breakpoints {} { # proc gdb_run_cmd {args} { global gdb_prompt - global gdb_spawn_id - set spawn_id $gdb_spawn_id + if [target_info exists gdb_init_command] { + send_gdb "[target_info gdb_init_command]\n"; + gdb_expect 30 { + -re "$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] { + if { [gdb_reload] != 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" - expect { - -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"; + 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; } - -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 ""; + 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 $" { + if { [gdb_reload] != 0 } { + return; + } + send_gdb "jump *$start\n"; + } + timeout { + perror "Jump to start() failed (timeout)"; + return + } } - timeout { perror "Jump to start() failed (timeout)"; return } } if [target_info exists gdb_stub] { - expect { - -re ".*$gdb_prompt $" { + gdb_expect 60 { + -re "$gdb_prompt $" { send_gdb "continue\n" } } } return } + + if [target_info exists gdb,do_reload_on_run] { + if { [gdb_reload] != 0 } { + return; + } + } send_gdb "run $args\n" # This doesn't work quite right yet. - expect { +# Use -notransfer here so that test cases (like chng-sym.exp) +# may test for additional start-up messages. + gdb_expect 60 { + -re "The program .* has been started already.*y or n. $" { + send_gdb "y\n" + exp_continue + } + -notransfer -re "Starting program: \[^\r\n\]*" {} + } +} + +# Generic start command. Return 0 if we could start the program, -1 +# if we could not. + +proc gdb_start_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] { + return -1 + } + + send_gdb "start $args\n" + # Use -notransfer here so that test cases (like chng-sym.exp) + # may test for additional start-up messages. + gdb_expect 60 { -re "The program .* has been started already.*y or n. $" { send_gdb "y\n" exp_continue } - -re "Starting program: \[^\n\]*" {} + -notransfer -re "Starting program: \[^\r\n\]*" { + return 0 + } } + return -1 } -proc gdb_breakpoint { function } { +# Set a breakpoint at FUNCTION. If there is an additional argument it is +# a list of options; the supported options are allow-pending, temporary, +# and no-message. + +proc gdb_breakpoint { function args } { global gdb_prompt global decimal - global gdb_spawn_id - set spawn_id $gdb_spawn_id + set pending_response n + if {[lsearch -exact [lindex $args 0] allow-pending] != -1} { + set pending_response y + } + + set break_command "break" + set break_message "Breakpoint" + if {[lsearch -exact [lindex $args 0] temporary] != -1} { + set break_command "tbreak" + set break_message "Temporary breakpoint" + } + + set no_message 0 + if {[lsearch -exact [lindex $args 0] no-message] != -1} { + set no_message 1 + } - send_gdb "break $function\n" + send_gdb "$break_command $function\n" # The first two regexps are what we get with -g, the third is without -g. - expect { - -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 $function (timeout)" ; return 0 } + gdb_expect 30 { + -re "$break_message \[0-9\]* at .*: file .*, line $decimal.\r\n$gdb_prompt $" {} + -re "$break_message \[0-9\]*: file .*, line $decimal.\r\n$gdb_prompt $" {} + -re "$break_message \[0-9\]* at .*$gdb_prompt $" {} + -re "$break_message \[0-9\]* \\(.*\\) pending.*$gdb_prompt $" { + if {$pending_response == "n"} { + if { $no_message == 0 } { + fail "setting breakpoint at $function" + } + return 0 + } + } + -re "Make breakpoint pending.*y or \\\[n\\\]. $" { + send_gdb "$pending_response\n" + exp_continue + } + -re "$gdb_prompt $" { + if { $no_message == 0 } { + fail "setting breakpoint at $function" + } + return 0 + } + timeout { + if { $no_message == 0 } { + fail "setting breakpoint at $function (timeout)" + } + return 0 + } } return 1; } @@ -237,18 +392,16 @@ proc gdb_breakpoint { function } { # 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. +# single quoted C++ function specifier. If there's an additional argument, +# pass it to gdb_breakpoint. -proc runto { function } { +proc runto { function args } { global gdb_prompt global decimal - global gdb_spawn_id - - set spawn_id $gdb_spawn_id delete_breakpoints - if ![gdb_breakpoint $function] { + if ![gdb_breakpoint $function [lindex $args 0]] { return 0; } @@ -256,7 +409,7 @@ proc runto { function } { # the "at foo.c:36" output we get with -g. # the "in func" output we get without -g. - expect { + gdb_expect 30 { -re "Break.* at .*:$decimal.*$gdb_prompt $" { return 1 } @@ -267,6 +420,10 @@ proc runto { function } { fail "running to $function in runto" return 0 } + eof { + fail "running to $function in runto (end of file)" + return 0 + } timeout { fail "running to $function in runto (timeout)" return 0 @@ -281,7 +438,7 @@ proc runto { function } { # specially--if it uses stubs, assuming we hit # breakpoint() and just step out of the function. # -proc runto_main {} { +proc runto_main { } { global gdb_prompt global decimal @@ -291,71 +448,268 @@ proc runto_main {} { delete_breakpoints - send_gdb "step\n" - # if use stubs step out of the breakpoint() function. - expect { - -re "main.* at .*$gdb_prompt $" {} - -re "_start.*$gdb_prompt $" {} - timeout { fail "single step at breakpoint() (timeout)" ; return 0 } - } + 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 {location_pattern .*}} { + global gdb_prompt + set full_name "continue to breakpoint: $name" + + send_gdb "continue\n" + gdb_expect { + -re "Breakpoint .* (at|in) $location_pattern\r\n$gdb_prompt $" { + pass $full_name + } + -re ".*$gdb_prompt $" { + fail $full_name + } + timeout { + fail "$full_name (timeout)" + } + } +} + + +# gdb_internal_error_resync: # -# gdb_test -- send_gdb a command to gdb and test the result. -# Takes three parameters. -# Parameters: -# First one is the command to execute. If this is the null string -# then no command is sent. -# Second one is the pattern to match for a PASS, and must NOT include -# the \r\n sequence immediately before the gdb prompt. -# Third one is an optional message to be printed. If this -# a null string "", then the pass/fail messages use the command -# string as the message. -# Returns: -# 1 if the test failed, -# 0 if the test passes, -# -1 if there was an internal error. +# Answer the questions GDB asks after it reports an internal error +# until we get back to a GDB prompt. Decline to quit the debugging +# session, and decline to create a core file. Return non-zero if the +# resync succeeds. # -proc gdb_test { args } { +# This procedure just answers whatever questions come up until it sees +# a GDB prompt; it doesn't require you to have matched the input up to +# any specific point. However, it only answers questions it sees in +# the output itself, so if you've matched a question, you had better +# answer it yourself before calling this. +# +# You can use this function thus: +# +# gdb_expect { +# ... +# -re ".*A problem internal to GDB has been detected" { +# gdb_internal_error_resync +# } +# ... +# } +# +proc gdb_internal_error_resync {} { + global gdb_prompt + + set count 0 + while {$count < 10} { + gdb_expect { + -re "Quit this debugging session\\? \\(y or n\\) $" { + send_gdb "n\n" + incr count + } + -re "Create a core file of GDB\\? \\(y or n\\) $" { + send_gdb "n\n" + incr count + } + -re "$gdb_prompt $" { + # We're resynchronized. + return 1 + } + timeout { + perror "Could not resync from internal error (timeout)" + return 0 + } + } + } + perror "Could not resync from internal error (resync count exceeded)" + return 0 +} + + +# gdb_test_multiple COMMAND MESSAGE EXPECT_ARGUMENTS +# 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. +# MESSAGE is a message to be printed with the built-in failure patterns +# if one of them matches. If MESSAGE is empty COMMAND will be used. +# EXPECT_ARGUMENTS will be fed to expect in addition to the standard +# patterns. Pattern elements will be evaluated in the caller's +# context; action elements will be executed in the caller's context. +# Unlike patterns for gdb_test, these patterns should generally include +# the final newline and prompt. +# +# Returns: +# 1 if the test failed, according to a built-in failure pattern +# 0 if only user-supplied patterns matched +# -1 if there was an internal error. +# +# You can use this function thus: +# +# gdb_test_multiple "print foo" "test foo" { +# -re "expected output 1" { +# pass "print foo" +# } +# -re "expected output 2" { +# fail "print foo" +# } +# } +# +# The standard patterns, such as "Program exited..." and "A problem +# ...", all being implicitly appended to that list. +# +proc gdb_test_multiple { command message user_code } { global verbose global gdb_prompt global GDB - global expect_out upvar timeout timeout - global gdb_spawn_id; + upvar expect_out expect_out - if [llength $args]>2 then { - set message [lindex $args 2] - } else { - set message [lindex $args 0] + if { $message == "" } { + set message $command } - set command [lindex $args 0] - set pattern [lindex $args 1] - if [llength $args]==5 { - set question_string [lindex $args 3]; - set response_string [lindex $args 4]; - } else { - set question_string "^FOOBAR$" + # TCL/EXPECT WART ALERT + # Expect does something very strange when it receives a single braced + # argument. It splits it along word separators and performs substitutions. + # This means that { "[ab]" } is evaluated as "[ab]", but { "\[ab\]" } is + # evaluated as "\[ab\]". But that's not how TCL normally works; inside a + # double-quoted list item, "\[ab\]" is just a long way of representing + # "[ab]", because the backslashes will be removed by lindex. + + # Unfortunately, there appears to be no easy way to duplicate the splitting + # that expect will do from within TCL. And many places make use of the + # "\[0-9\]" construct, so we need to support that; and some places make use + # of the "[func]" construct, so we need to support that too. In order to + # get this right we have to substitute quoted list elements differently + # from braced list elements. + + # We do this roughly the same way that Expect does it. We have to use two + # lists, because if we leave unquoted newlines in the argument to uplevel + # they'll be treated as command separators, and if we escape newlines + # we mangle newlines inside of command blocks. This assumes that the + # input doesn't contain a pattern which contains actual embedded newlines + # at this point! + + regsub -all {\n} ${user_code} { } subst_code + set subst_code [uplevel list $subst_code] + + set processed_code "" + set patterns "" + set expecting_action 0 + foreach item $user_code subst_item $subst_code { + if { $item == "-n" || $item == "-notransfer" || $item == "-nocase" } { + lappend processed_code $item + continue + } + if {$item == "-indices" || $item == "-re" || $item == "-ex"} { + lappend processed_code $item + continue + } + if { $expecting_action } { + lappend processed_code "uplevel [list $item]" + set expecting_action 0 + # Cosmetic, no effect on the list. + append processed_code "\n" + continue + } + set expecting_action 1 + lappend processed_code $subst_item + if {$patterns != ""} { + append patterns "; " + } + append patterns "\"$subst_item\"" } + # Also purely cosmetic. + regsub -all {\r} $patterns {\\r} patterns + regsub -all {\n} $patterns {\\n} patterns + if $verbose>2 then { send_user "Sending \"$command\" to gdb\n" - send_user "Looking to match \"$pattern\"\n" + send_user "Looking to match \"$patterns\"\n" send_user "Message is \"$message\"\n" } set result -1 - if ![string match $command ""] { - if { [send_gdb "$command\n"] != "" } { - perror "Couldn't send $command to GDB."; - return $result; + set string "${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 2 { + -notransfer -re "\[\r\n\]" { verbose "partial: match" 3 } + timeout { verbose "partial: timeout" 3 } + } + 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 [target_info exists gdb,timeout] { + set tmt [target_info gdb,timeout]; + } else { + if [info exists timeout] { + set tmt $timeout; + } else { + global timeout; + if [info exists timeout] { + set tmt $timeout; + } else { + set tmt 60; + } } } - expect { - -i $gdb_spawn_id -re ".*Ending remote debugging.*$gdb_prompt$" { + set code { + -re ".*A problem internal to GDB has been detected" { + fail "$message (GDB internal error)" + gdb_internal_error_resync + } + -re "\\*\\*\\* DOSEXIT code.*" { + if { $message != "" } { + fail "$message"; + } + gdb_suppress_entire_file "GDB died"; + set result -1; + } + } + append code $processed_code + append code { + -re "Ending remote debugging.*$gdb_prompt $" { if ![isnative] then { warning "Can`t communicate to remote target." } @@ -363,72 +717,155 @@ proc gdb_test { args } { gdb_start set result -1 } - -i $gdb_spawn_id -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" { - if ![string match "" $message] then { - pass "$message" - } - set result 0 - } - -i $gdb_spawn_id -re "(${question_string})$" { - send_gdb "$response_string\n"; - exp_continue; - } - -i $gdb_spawn_id -re "Undefined command:.*$gdb_prompt" { + -re "Undefined\[a-z\]* command:.*$gdb_prompt $" { perror "Undefined command \"$command\"." + fail "$message" set result 1 } - -i $gdb_spawn_id -re "Ambiguous command.*$gdb_prompt $" { + -re "Ambiguous command.*$gdb_prompt $" { perror "\"$command\" is not a unique command name." + fail "$message" set result 1 } - -i $gdb_spawn_id -re ".*Program exited with code \[0-9\]+.*$gdb_prompt $" { + -re "Program exited with code \[0-9\]+.*$gdb_prompt $" { if ![string match "" $message] then { - set errmsg "$message: the program exited" + set errmsg "$message (the program exited)" } else { - set errmsg "$command: the program exited" + set errmsg "$command (the program exited)" } fail "$errmsg" - return -1 + set result -1 } - -i $gdb_spawn_id -re "The program is not being run.*$gdb_prompt $" { + -re "EXIT code \[0-9\r\n\]+Program exited normally.*$gdb_prompt $" { if ![string match "" $message] then { - set errmsg "$message: the program is no longer running" + set errmsg "$message (the program exited)" } else { - set errmsg "$command: the program is no longer running" + set errmsg "$command (the program exited)" } fail "$errmsg" - return -1 + set result -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" + set result -1 } - -i $gdb_spawn_id -re ".*$gdb_prompt $" { + -re "\r\n$gdb_prompt $" { if ![string match "" $message] then { fail "$message" } set result 1 } - -i $gdb_spawn_id "" { + "" { send_gdb "\n" perror "Window too small." + fail "$message" + set result -1 } - -i $gdb_spawn_id -re "\\(y or n\\) " { + -re "\\((y or n|y or \\\[n\\\]|\\\[y\\\] or n)\\) " { send_gdb "n\n" - perror "Got interactive prompt." + gdb_expect -re "$gdb_prompt $" + fail "$message (got interactive prompt)" + set result -1 } - -i $gdb_spawn_id eof { - perror "Process no longer exists" - return -1 + -re "\\\[0\\\] cancel\r\n\\\[1\\\] all.*\r\n> $" { + send_gdb "0\n" + gdb_expect -re "$gdb_prompt $" + fail "$message (got breakpoint menu)" + set result -1 } - -i $gdb_spawn_id full_buffer { + eof { + perror "Process no longer exists" + if { $message != "" } { + fail "$message" + } + return -1 + } + full_buffer { perror "internal buffer is full." + fail "$message" + set result -1 } timeout { if ![string match "" $message] then { - fail "(timeout) $message" + fail "$message (timeout)" } set result 1 } } + + set result 0 + set code [catch {gdb_expect $tmt $code} string] + if {$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 + } return $result } + +# gdb_test COMMAND PATTERN MESSAGE QUESTION RESPONSE +# 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.) +# QUESTION is a question GDB may ask in response to COMMAND, like +# "are you sure?" +# RESPONSE is the response to send if QUESTION appears. +# +# 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 gdb_prompt + global GDB + upvar timeout timeout + + 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 $args 4]; + } else { + set question_string "^FOOBAR$" + } + + return [gdb_test_multiple $command $message { + -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" { + if ![string match "" $message] then { + pass "$message" + } + } + -re "(${question_string})$" { + send_gdb "$response_string\n"; + exp_continue; + } + }] +} # Test that a command gives an error. For pass or fail, return # a 1 to indicate that more tests can proceed. However a timeout @@ -451,36 +888,45 @@ proc test_print_reject { args } { send_user "Looking to match \"$expectthis\"\n" } send_gdb "$sendthis\n" - expect { - -re ".*A .* in expression.*\\.*$gdb_prompt $" { + #FIXME: Should add timeout as parameter. + gdb_expect { + -re "A .* in expression.*\\.*$gdb_prompt $" { pass "reject $sendthis" return 1 } - -re ".*Invalid syntax in expression.*$gdb_prompt $" { + -re "Invalid syntax in expression.*$gdb_prompt $" { pass "reject $sendthis" return 1 } - -re ".*Junk after end of expression.*$gdb_prompt $" { + -re "Junk after end of expression.*$gdb_prompt $" { pass "reject $sendthis" return 1 } - -re ".*Invalid number.*$gdb_prompt $" { + -re "Invalid number.*$gdb_prompt $" { pass "reject $sendthis" return 1 } - -re ".*Invalid character constant.*$gdb_prompt $" { + -re "Invalid character constant.*$gdb_prompt $" { pass "reject $sendthis" return 1 } - -re ".*No symbol table is loaded.*$gdb_prompt $" { + -re "No symbol table is loaded.*$gdb_prompt $" { pass "reject $sendthis" return 1 } - -re ".*No symbol .* in current context.*$gdb_prompt $" { + -re "No symbol .* in current context.*$gdb_prompt $" { pass "reject $sendthis" return 1 } - -re ".*$expectthis.*$gdb_prompt $" { + -re "Unmatched single quote.*$gdb_prompt $" { + pass "reject $sendthis" + return 1 + } + -re "A character constant must contain at least one character.*$gdb_prompt $" { + pass "reject $sendthis" + return 1 + } + -re "$expectthis.*$gdb_prompt $" { pass "reject $sendthis" return 1 } @@ -500,7 +946,7 @@ proc test_print_reject { args } { proc string_to_regexp {str} { set result $str - regsub -all {[]*+.|()^$\[]} $str {\\&} result + regsub -all {[]*+.|()^$\[\\]} $str {\\&} result return $result } @@ -527,7 +973,7 @@ proc gdb_test_exact { args } { # 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 expect really wants to see \r\n in patterns. So + # 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 @@ -543,34 +989,32 @@ proc gdb_test_exact { args } { proc gdb_reinitialize_dir { subdir } { global gdb_prompt - global gdb_spawn_id - set spawn_id $gdb_spawn_id if [is_remote host] { return ""; } send_gdb "dir\n" - expect { + gdb_expect 60 { -re "Reinitialize source path to empty.*y or n. " { send_gdb "y\n" - expect { + gdb_expect 60 { -re "Source directories searched.*$gdb_prompt $" { send_gdb "dir $subdir\n" - expect { + gdb_expect 60 { -re "Source directories searched.*$gdb_prompt $" { verbose "Dir set to $subdir" } - -re ".*$gdb_prompt $" { + -re "$gdb_prompt $" { perror "Dir \"$subdir\" failed." } } } - -re ".*$gdb_prompt $" { + -re "$gdb_prompt $" { perror "Dir \"$subdir\" failed." } } } - -re ".*$gdb_prompt $" { + -re "$gdb_prompt $" { perror "Dir \"$subdir\" failed." } } @@ -581,111 +1025,132 @@ proc gdb_reinitialize_dir { subdir } { # proc default_gdb_exit {} { global GDB - global GDBFLAGS + global INTERNAL_GDBFLAGS GDBFLAGS global verbose - global gdb_spawn_id + global gdb_spawn_id; + + gdb_stop_suppressing_tests; if ![info exists gdb_spawn_id] { return; } - verbose "Quitting $GDB $GDBFLAGS" + verbose "Quitting $GDB $INTERNAL_GDBFLAGS $GDBFLAGS" - # This used to be 1 for unix-gdb.exp - set timeout 5 - verbose "Timeout is now $timeout seconds" 2 - - if [is_remote host] { + if { [is_remote host] && [board_info host exists fileid] } { send_gdb "quit\n"; - expect { - -i $gdb_spawn_id -re ".*and kill it.*y or n. " { + gdb_expect 10 { + -re "y or n" { send_gdb "y\n"; exp_continue; } - -i $gdb_spawn_id timeout { } + -re "DOSEXIT code" { } + default { } } - } else { - # We used to try to send_gdb "quit" to GDB, and wait for it to die. - # Dealing with all the cases and errors got pretty hairy. Just close it, - # that is simpler. - catch "close -i $gdb_spawn_id" - - # Omitting this probably would cause strange timing-dependent failures. - catch "wait -i $gdb_spawn_id" } - remote_close host; + if ![is_remote host] { + remote_close host; + } unset gdb_spawn_id } +# Load a file into the debugger. +# The return value is 0 for success, -1 for failure. # -# load a file into the debugger. -# return a -1 if anything goes wrong. +# This procedure also set the global variable GDB_FILE_CMD_DEBUG_INFO +# to one of these values: # +# debug file was loaded successfully and has debug information +# nodebug file was loaded successfully and has no debug information +# fail file was not loaded +# +# I tried returning this information as part of the return value, +# but ran into a mess because of the many re-implementations of +# gdb_load in config/*.exp. +# +# TODO: gdb.base/sepdebug.exp and gdb.stabs/weird.exp might be able to use +# this if they can get more information set. + proc gdb_file_cmd { arg } { + global gdb_prompt global verbose - global loadpath - global loadfile global GDB - global gdb_prompt - upvar timeout timeout - global gdb_spawn_id - set spawn_id $gdb_spawn_id + global last_loaded_file + + set last_loaded_file $arg + + # Set whether debug info was found. + # Default to "fail". + global gdb_file_cmd_debug_info + set gdb_file_cmd_debug_info "fail" if [is_remote host] { - set arg [remote_download host $arg]; + set arg [remote_download host $arg] if { $arg == "" } { - error "download failed" - return -1; + perror "download failed" + return -1 + } + } + + # The file command used to kill the remote target. For the benefit + # of the testsuite, preserve this behavior. + send_gdb "kill\n" + gdb_expect 120 { + -re "Kill the program being debugged. .y or n. $" { + send_gdb "y\n" + verbose "\t\tKilling previous program being debugged" + exp_continue + } + -re "$gdb_prompt $" { + # OK. } } send_gdb "file $arg\n" - expect { + gdb_expect 120 { + -re "Reading symbols from.*no debugging symbols found.*done.*$gdb_prompt $" { + verbose "\t\tLoaded $arg into the $GDB with no debugging symbols" + set gdb_file_cmd_debug_info "nodebug" + return 0 + } -re "Reading symbols from.*done.*$gdb_prompt $" { verbose "\t\tLoaded $arg into the $GDB" - return 0 - } - -re "has no symbol-table.*$gdb_prompt $" { - perror "$arg wasn't compiled with \"-g\"" - return -1 - } - -re "A program is being debugged already.*Kill it.*y or n. $" { - send_gdb "y\n" - verbose "\t\tKilling previous program being debugged" - exp_continue + set gdb_file_cmd_debug_info "debug" + return 0 } -re "Load new symbol table from \".*\".*y or n. $" { send_gdb "y\n" - expect { + gdb_expect 120 { -re "Reading symbols from.*done.*$gdb_prompt $" { verbose "\t\tLoaded $arg with new symbol table into $GDB" - return 0 + set gdb_file_cmd_debug_info "debug" + return 0 } timeout { perror "(timeout) Couldn't load $arg, other program already loaded." - return -1 + return -1 } } } - -re ".*No such file or directory.*$gdb_prompt $" { - perror "($arg) No such file or directory\n" - return -1 + -re "No such file or directory.*$gdb_prompt $" { + perror "($arg) No such file or directory" + return -1 } -re "$gdb_prompt $" { perror "couldn't load $arg into $GDB." - return -1 + return -1 } timeout { perror "couldn't load $arg into $GDB (timed out)." - return -1 + 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. + # gdb_expect does not seem to have a way to do that. perror "couldn't load $arg into $GDB (end of file)." - return -1 + return -1 } } } @@ -700,177 +1165,2043 @@ proc gdb_file_cmd { arg } { proc default_gdb_start { } { global verbose global GDB - global GDBFLAGS + global INTERNAL_GDBFLAGS GDBFLAGS global gdb_prompt global timeout - global gdb_spawn_id - global spawn_id - verbose "Spawning $GDB -nw $GDBFLAGS" + global gdb_spawn_id; + global env + + gdb_stop_suppressing_tests; + + set env(LC_CTYPE) C + + # Don't let a .inputrc file or an existing setting of INPUTRC mess up + # the test results. Even if /dev/null doesn't exist on the particular + # platform, the readline library will use the default setting just by + # failing to open the file. OTOH, opening /dev/null successfully will + # also result in the default settings being used since nothing will be + # read from this file. + set env(INPUTRC) "/dev/null" + + # The gdb.base/readline.exp arrow key test relies on the standard VT100 + # bindings, so make sure that an appropriate terminal is selected. + # The same bug doesn't show up if we use ^P / ^N instead. + set env(TERM) "vt100" + + verbose "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS" if [info exists gdb_spawn_id] { return 0; } - set oldtimeout $timeout - set timeout [expr "$timeout + 180"] - if [is_remote host] { - set shell_id [remote_spawn host "$GDB -nw $GDBFLAGS --command gdbinit"] - } else { + if ![is_remote host] { if { [which $GDB] == 0 } then { perror "$GDB does not exist." exit 1 } - - set shell_id [remote_spawn host "$GDB -nw $GDBFLAGS"] } - verbose $shell_id - set timeout 10 - expect { - -i $shell_id -re ".*\[\r\n\]$gdb_prompt $" { + set res [remote_spawn host "$GDB $INTERNAL_GDBFLAGS $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." } - -i $shell_id -re "$gdb_prompt $" { + -re "$gdb_prompt $" { perror "GDB never initialized." - set timeout $oldtimeout - verbose "Timeout restored to $timeout seconds" 2 return -1 } - -i $shell_id timeout { - perror "(timeout) GDB never initialized after $timeout seconds." - set timeout $oldtimeout - verbose "Timeout restored to $timeout seconds" 2 + timeout { + perror "(timeout) GDB never initialized after 10 seconds." + remote_close host; return -1 } } - set timeout $oldtimeout - verbose "Timeout restored to $timeout seconds" 2 - set gdb_spawn_id $shell_id - set spawn_id $gdb_spawn_id + set gdb_spawn_id -1; # force the height to "unlimited", so no pagers get used + send_gdb "set height 0\n" - expect { - -i $shell_id -re ".*$gdb_prompt $" { + gdb_expect 10 { + -re "$gdb_prompt $" { verbose "Setting height to 0." 2 } - -i $shell_id timeout { + timeout { warning "Couldn't set the height to 0" } } # force the width to "unlimited", so no wraparound occurs send_gdb "set width 0\n" - expect { - -i $shell_id -re ".*$gdb_prompt $" { + gdb_expect 10 { + -re "$gdb_prompt $" { verbose "Setting width to 0." 2 } - -i $shell_id timeout { + timeout { warning "Couldn't set the width to 0." } } return 0; } -# -# FIXME: this is a copy of the new library procedure, but it's here too -# till the new dejagnu gets installed everywhere. I'd hate to break the -# gdb testsuite. -# -global argv0 -if ![info exists argv0] then { - proc exp_continue { } { - continue -expect +# Examine the output of compilation to determine whether compilation +# failed or not. If it failed determine whether it is due to missing +# compiler or due to compiler error. Report pass, fail or unsupported +# as appropriate + +proc gdb_compile_test {src output} { + if { $output == "" } { + pass "compilation [file tail $src]" + } elseif { [regexp {^[a-zA-Z_0-9]+: Can't find [^ ]+\.$} $output] } { + unsupported "compilation [file tail $src]" + } elseif { [regexp {.*: command not found[\r|\n]*$} $output] } { + unsupported "compilation [file tail $src]" + } else { + verbose -log "compilation failed: $output" 2 + fail "compilation [file tail $src]" } } -# * 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. +# Return a 1 for configurations for which we don't even want to try to +# test C++. -proc skip_chill_tests {} { - if ![info exists do_chill_tests] { - return 1; +proc skip_cplus_tests {} { + if { [istarget "h8300-*-*"] } { + return 1 + } + + # The C++ IO streams are too large for HC11/HC12 and are thus not + # available. The gdb C++ tests use them and don't compile. + if { [istarget "m6811-*-*"] } { + return 1 + } + if { [istarget "m6812-*-*"] } { + return 1 + } + return 0 +} + +# Return a 1 if I don't even want to try to test FORTRAN. + +proc skip_fortran_tests {} { + return 0 +} + +# Return a 1 if I don't even want to try to test ada. + +proc skip_ada_tests {} { + return 0 +} + +# Return a 1 if I don't even want to try to test java. + +proc skip_java_tests {} { + return 0 +} + +# Return a 1 if we should skip shared library tests. + +proc skip_shlib_tests {} { + # Run the shared library tests on native systems. + if {[isnative]} { + return 0 + } + + # An abbreviated list of remote targets where we should be able to + # run shared library tests. + if {([istarget *-*-linux*] + || [istarget *-*-*bsd*] + || [istarget *-*-solaris2*] + || [istarget arm*-*-symbianelf*] + || [istarget *-*-mingw*] + || [istarget *-*-cygwin*] + || [istarget *-*-pe*])} { + return 0 + } + + return 1 +} + +# Run a test on the target to see if it supports vmx hardware. Return 0 if so, +# 1 if it does not. Based on 'check_vmx_hw_available' from the GCC testsuite. + +proc skip_altivec_tests {} { + global skip_vmx_tests_saved + global srcdir subdir gdb_prompt + + # Use the cached value, if it exists. + set me "skip_altivec_tests" + if [info exists skip_vmx_tests_saved] { + verbose "$me: returning saved $skip_vmx_tests_saved" 2 + return $skip_vmx_tests_saved + } + + # Some simulators are known to not support VMX instructions. + if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] } { + verbose "$me: target known to not support VMX, returning 1" 2 + return [set skip_vmx_tests_saved 1] + } + + # Make sure we have a compiler that understands altivec. + set compile_flags {debug nowarnings} + if [get_compiler_info not-used] { + warning "Could not get compiler info" + return 1 + } + if [test_compiler_info gcc*] { + set compile_flags "$compile_flags additional_flags=-maltivec" + } elseif [test_compiler_info xlc*] { + set compile_flags "$compile_flags additional_flags=-qaltivec" + } else { + verbose "Could not compile with altivec support, returning 1" 2 + return 1 + } + + # Set up, compile, and execute a test program containing VMX instructions. + # Include the current process ID in the file names to prevent conflicts + # with invocations for multiple testsuites. + set src vmx[pid].c + set exe vmx[pid].x + + set f [open $src "w"] + puts $f "int main() {" + puts $f "#ifdef __MACH__" + puts $f " asm volatile (\"vor v0,v0,v0\");" + puts $f "#else" + puts $f " asm volatile (\"vor 0,0,0\");" + puts $f "#endif" + puts $f " return 0; }" + close $f + + verbose "$me: compiling testfile $src" 2 + set lines [gdb_compile $src $exe executable $compile_flags] + file delete $src + + if ![string match "" $lines] then { + verbose "$me: testfile compilation failed, returning 1" 2 + return [set skip_vmx_tests_saved 1] + } + + # No error message, compilation succeeded so now run it via gdb. + + gdb_exit + gdb_start + gdb_reinitialize_dir $srcdir/$subdir + gdb_load "$exe" + gdb_run_cmd + gdb_expect { + -re ".*Illegal instruction.*${gdb_prompt} $" { + verbose -log "\n$me altivec hardware not detected" + set skip_vmx_tests_saved 1 + } + -re ".*Program exited normally.*${gdb_prompt} $" { + verbose -log "\n$me: altivec hardware detected" + set skip_vmx_tests_saved 0 + } + default { + warning "\n$me: default case taken" + set skip_vmx_tests_saved 1 + } + } + gdb_exit + remote_file build delete $exe + + verbose "$me: returning $skip_vmx_tests_saved" 2 + return $skip_vmx_tests_saved +} + +# Run a test on the target to see if it supports vmx hardware. Return 0 if so, +# 1 if it does not. Based on 'check_vmx_hw_available' from the GCC testsuite. + +proc skip_vsx_tests {} { + global skip_vsx_tests_saved + global srcdir subdir gdb_prompt + + # Use the cached value, if it exists. + set me "skip_vsx_tests" + if [info exists skip_vsx_tests_saved] { + verbose "$me: returning saved $skip_vsx_tests_saved" 2 + return $skip_vsx_tests_saved + } + + # Some simulators are known to not support Altivec instructions, so + # they won't support VSX instructions as well. + if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] } { + verbose "$me: target known to not support VSX, returning 1" 2 + return [set skip_vsx_tests_saved 1] + } + + # Make sure we have a compiler that understands altivec. + set compile_flags {debug nowarnings quiet} + if [get_compiler_info not-used] { + warning "Could not get compiler info" + return 1 + } + if [test_compiler_info gcc*] { + set compile_flags "$compile_flags additional_flags=-mvsx" + } elseif [test_compiler_info xlc*] { + set compile_flags "$compile_flags additional_flags=-qvsx" + } else { + verbose "Could not compile with vsx support, returning 1" 2 + return 1 + } + + set src vsx[pid].c + set exe vsx[pid].x + + set f [open $src "w"] + puts $f "int main() {" + puts $f "#ifdef __MACH__" + puts $f " asm volatile (\"lxvd2x v0,v0,v0\");" + puts $f "#else" + puts $f " asm volatile (\"lxvd2x 0,0,0\");" + puts $f "#endif" + puts $f " return 0; }" + close $f + + verbose "$me: compiling testfile $src" 2 + set lines [gdb_compile $src $exe executable $compile_flags] + file delete $src + + if ![string match "" $lines] then { + verbose "$me: testfile compilation failed, returning 1" 2 + return [set skip_vsx_tests_saved 1] + } + + # No error message, compilation succeeded so now run it via gdb. + + gdb_exit + gdb_start + gdb_reinitialize_dir $srcdir/$subdir + gdb_load "$exe" + gdb_run_cmd + gdb_expect { + -re ".*Illegal instruction.*${gdb_prompt} $" { + verbose -log "\n$me VSX hardware not detected" + set skip_vsx_tests_saved 1 + } + -re ".*Program exited normally.*${gdb_prompt} $" { + verbose -log "\n$me: VSX hardware detected" + set skip_vsx_tests_saved 0 + } + default { + warning "\n$me: default case taken" + set skip_vsx_tests_saved 1 + } + } + gdb_exit + remote_file build delete $exe + + verbose "$me: returning $skip_vsx_tests_saved" 2 + return $skip_vsx_tests_saved +} + +# 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 +} + +# Return whether we should skip tests for showing inlined functions in +# backtraces. Requires get_compiler_info and get_debug_format. + +proc skip_inline_frame_tests {} { + # GDB only recognizes inlining information in DWARF 2 (DWARF 3). + if { ! [test_debug_format "DWARF 2"] } { + return 1 + } + + # GCC before 4.1 does not emit DW_AT_call_file / DW_AT_call_line. + if { ([test_compiler_info "gcc-2-*"] + || [test_compiler_info "gcc-3-*"] + || [test_compiler_info "gcc-4-0-*"]) } { + return 1 + } + + return 0 +} + +# Return whether we should skip tests for showing variables from +# inlined functions. Requires get_compiler_info and get_debug_format. + +proc skip_inline_var_tests {} { + # GDB only recognizes inlining information in DWARF 2 (DWARF 3). + if { ! [test_debug_format "DWARF 2"] } { + 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 + + return 0 } -proc get_compiler_info {binfile} { - # Create and source the file that provides information about the compiler - # used to compile the test case. +set compiler_info "unknown" +set gcc_compiled 0 +set hp_cc_compiler 0 +set hp_aCC_compiler 0 + +# Figure out what compiler I am using. +# +# BINFILE is a "compiler information" output file. This implementation +# does not use BINFILE. +# +# ARGS can be empty or "C++". If empty, "C" is assumed. +# +# There are several ways to do this, with various problems. +# +# [ gdb_compile -E $ifile -o $binfile.ci ] +# source $binfile.ci +# +# Single Unix Spec v3 says that "-E -o ..." together are not +# specified. And in fact, the native compiler on hp-ux 11 (among +# others) does not work with "-E -o ...". Most targets used to do +# this, and it mostly worked, because it works with gcc. +# +# [ catch "exec $compiler -E $ifile > $binfile.ci" exec_output ] +# source $binfile.ci +# +# This avoids the problem with -E and -o together. This almost works +# if the build machine is the same as the host machine, which is +# usually true of the targets which are not gcc. But this code does +# not figure which compiler to call, and it always ends up using the C +# compiler. Not good for setting hp_aCC_compiler. Targets +# hppa*-*-hpux* and mips*-*-irix* used to do this. +# +# [ gdb_compile -E $ifile > $binfile.ci ] +# source $binfile.ci +# +# dejagnu target_compile says that it supports output redirection, +# but the code is completely different from the normal path and I +# don't want to sweep the mines from that path. So I didn't even try +# this. +# +# set cppout [ gdb_compile $ifile "" preprocess $args quiet ] +# eval $cppout +# +# I actually do this for all targets now. gdb_compile runs the right +# compiler, and TCL captures the output, and I eval the output. +# +# Unfortunately, expect logs the output of the command as it goes by, +# and dejagnu helpfully prints a second copy of it right afterwards. +# So I turn off expect logging for a moment. +# +# [ gdb_compile $ifile $ciexe_file executable $args ] +# [ remote_exec $ciexe_file ] +# [ source $ci_file.out ] +# +# I could give up on -E and just do this. +# I didn't get desperate enough to try this. +# +# -- chastain 2004-01-06 + +proc get_compiler_info {binfile args} { + # For compiler.c and compiler.cc global srcdir - global subdir - # These two come from compiler.c. - global signed_keyword_not_used + + # I am going to play with the log to keep noise out. + global outdir + global tool + + # These come from compiler.c or compiler.cc + global compiler_info + + # Legacy global data symbols. global gcc_compiled + global hp_cc_compiler + global hp_aCC_compiler - if { [gdb_compile "${srcdir}/${subdir}/compiler.c" "${binfile}.ci" preprocess {}] != "" } { - perror "Couldn't make ${binfile}.ci file" - return 1; + # Choose which file to preprocess. + set ifile "${srcdir}/lib/compiler.c" + if { [llength $args] > 0 && [lindex $args 0] == "c++" } { + set ifile "${srcdir}/lib/compiler.cc" + } + + # Run $ifile through the right preprocessor. + # Toggle gdb.log to keep the compiler output out of the log. + log_file + if [is_remote host] { + # We have to use -E and -o together, despite the comments + # above, because of how DejaGnu handles remote host testing. + set ppout "$outdir/compiler.i" + gdb_compile "${ifile}" "$ppout" preprocess [list "$args" quiet] + set file [open $ppout r] + set cppout [read $file] + close $file + } else { + set cppout [ gdb_compile "${ifile}" "" preprocess [list "$args" quiet] ] + } + log_file -a "$outdir/$tool.log" + + # Eval the output. + set unknown 0 + foreach cppline [ split "$cppout" "\n" ] { + if { [ regexp "^#" "$cppline" ] } { + # line marker + } elseif { [ regexp "^\[\n\r\t \]*$" "$cppline" ] } { + # blank line + } elseif { [ regexp "^\[\n\r\t \]*set\[\n\r\t \]" "$cppline" ] } { + # eval this line + verbose "get_compiler_info: $cppline" 2 + eval "$cppline" + } else { + # unknown line + verbose -log "get_compiler_info: $cppline" + set unknown 1 + } } - source ${binfile}.ci + + # Reset to unknown compiler if any diagnostics happened. + if { $unknown } { + set compiler_info "unknown" + } + + # Set the legacy symbols. + set gcc_compiled 0 + set hp_cc_compiler 0 + set hp_aCC_compiler 0 + if { [regexp "^gcc-1-" "$compiler_info" ] } { set gcc_compiled 1 } + if { [regexp "^gcc-2-" "$compiler_info" ] } { set gcc_compiled 2 } + if { [regexp "^gcc-3-" "$compiler_info" ] } { set gcc_compiled 3 } + if { [regexp "^gcc-4-" "$compiler_info" ] } { set gcc_compiled 4 } + if { [regexp "^gcc-5-" "$compiler_info" ] } { set gcc_compiled 5 } + if { [regexp "^hpcc-" "$compiler_info" ] } { set hp_cc_compiler 1 } + if { [regexp "^hpacc-" "$compiler_info" ] } { set hp_aCC_compiler 1 } + + # Log what happened. + verbose -log "get_compiler_info: $compiler_info" + + # Most compilers will evaluate comparisons and other boolean + # operations to 0 or 1. + uplevel \#0 { set true 1 } + uplevel \#0 { set false 0 } + + # Use of aCC results in boolean results being displayed as + # "true" or "false" + if { $hp_aCC_compiler } { + uplevel \#0 { set true true } + uplevel \#0 { set false false } + } + return 0; } +proc test_compiler_info { {compiler ""} } { + global compiler_info + + # if no arg, return the compiler_info string + + if [string match "" $compiler] { + if [info exists compiler_info] { + return $compiler_info + } else { + perror "No compiler info found." + } + } + + return [string match $compiler $compiler_info] +} + +proc current_target_name { } { + global target_info + if [info exists target_info(target,name)] { + set answer $target_info(target,name) + } else { + set answer "" + } + return $answer +} + +set gdb_wrapper_initialized 0 +set gdb_wrapper_target "" + +proc gdb_wrapper_init { args } { + global gdb_wrapper_initialized; + global gdb_wrapper_file; + global gdb_wrapper_flags; + global gdb_wrapper_target + + if { $gdb_wrapper_initialized == 1 } { return; } + + if {[target_info exists needs_status_wrapper] && \ + [target_info needs_status_wrapper] != "0"} { + set result [build_wrapper "testglue.o"]; + if { $result != "" } { + set gdb_wrapper_file [lindex $result 0]; + set gdb_wrapper_flags [lindex $result 1]; + } else { + warning "Status wrapper failed to build." + } + } + set gdb_wrapper_initialized 1 + set gdb_wrapper_target [current_target_name] +} + +# Some targets need to always link a special object in. Save its path here. +global gdb_saved_set_unbuffered_mode_obj +set gdb_saved_set_unbuffered_mode_obj "" + proc gdb_compile {source dest type options} { + global GDB_TESTCASE_OPTIONS; + global gdb_wrapper_file; + global gdb_wrapper_flags; + global gdb_wrapper_initialized; + global srcdir + global objdir + global gdb_saved_set_unbuffered_mode_obj + + set outdir [file dirname $dest] + + # Add platform-specific options if a shared library was specified using + # "shlib=librarypath" in OPTIONS. + set new_options "" + set shlib_found 0 + set shlib_load 0 + foreach opt $options { + if [regexp {^shlib=(.*)} $opt dummy_var shlib_name] { + if [test_compiler_info "xlc-*"] { + # IBM xlc compiler doesn't accept shared library named other + # than .so: use "-Wl," to bypass this + lappend source "-Wl,$shlib_name" + } elseif { ([istarget "*-*-mingw*"] + || [istarget *-*-cygwin*] + || [istarget *-*-pe*])} { + lappend source "${shlib_name}.a" + } else { + lappend source $shlib_name + } + if { $shlib_found == 0 } { + set shlib_found 1 + if { ([istarget "*-*-mingw*"] + || [istarget *-*-cygwin*]) } { + lappend new_options "additional_flags=-Wl,--enable-auto-import" + } + } + } elseif { $opt == "shlib_load" } { + set shlib_load 1 + } else { + lappend new_options $opt + } + } + + # We typically link to shared libraries using an absolute path, and + # that's how they are found at runtime. If we are going to + # dynamically load one by basename, we must specify rpath. If we + # are using a remote host, DejaGNU will link to the shared library + # using a relative path, so again we must specify an rpath. + if { $shlib_load || ($shlib_found && [is_remote host]) } { + if { ([istarget "*-*-mingw*"] + || [istarget *-*-cygwin*] + || [istarget *-*-pe*] + || [istarget arm*-*-symbianelf*] + || [istarget hppa*-*-hpux*])} { + # Do not need anything. + } elseif { [istarget *-*-openbsd*] } { + lappend new_options "additional_flags=-Wl,-rpath,${outdir}" + } else { + if { $shlib_load } { + lappend new_options "libs=-ldl" + } + lappend new_options "additional_flags=-Wl,-rpath,\\\$ORIGIN" + } + } + set options $new_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" + + if { $gdb_wrapper_initialized == 0 } { gdb_wrapper_init } + + if {[target_info exists needs_status_wrapper] && \ + [target_info needs_status_wrapper] != "0" && \ + [info exists gdb_wrapper_file]} { + lappend options "libs=${gdb_wrapper_file}" + lappend options "ldflags=${gdb_wrapper_flags}" + } + + # Replace the "nowarnings" option with the appropriate additional_flags + # to disable compiler warnings. + set nowarnings [lsearch -exact $options nowarnings] + if {$nowarnings != -1} { + if [target_info exists gdb,nowarnings_flag] { + set flag "additional_flags=[target_info gdb,nowarnings_flag]" + } else { + set flag "additional_flags=-w" + } + set options [lreplace $options $nowarnings $nowarnings $flag] + } + + if { $type == "executable" } { + if { ([istarget "*-*-mingw*"] + || [istarget "*-*-*djgpp"] + || [istarget "*-*-cygwin*"])} { + # Force output to unbuffered mode, by linking in an object file + # with a global contructor that calls setvbuf. + # + # Compile the special object seperatelly for two reasons: + # 1) Insulate it from $options. + # 2) Avoid compiling it for every gdb_compile invocation, + # which is time consuming, especially if we're remote + # host testing. + # + if { $gdb_saved_set_unbuffered_mode_obj == "" } { + verbose "compiling gdb_saved_set_unbuffered_obj" + set unbuf_src ${srcdir}/lib/set_unbuffered_mode.c + set unbuf_obj ${objdir}/set_unbuffered_mode.o + + set result [gdb_compile "${unbuf_src}" "${unbuf_obj}" object {nowarnings}] + if { $result != "" } { + return $result + } + + set gdb_saved_set_unbuffered_mode_obj ${objdir}/set_unbuffered_mode_saved.o + # Link a copy of the output object, because the + # original may be automatically deleted. + remote_exec host "cp -f $unbuf_obj $gdb_saved_set_unbuffered_mode_obj" + } else { + verbose "gdb_saved_set_unbuffered_obj already compiled" + } + + # Rely on the internal knowledge that the global ctors are ran in + # reverse link order. In that case, we can use ldflags to + # avoid copying the object file to the host multiple + # times. + # This object can only be added if standard libraries are + # used. Thus, we need to disable it if -nostdlib option is used + if {[lsearch -regexp $options "-nostdlib"] < 0 } { + lappend options "ldflags=$gdb_saved_set_unbuffered_mode_obj" + } + } + } + set result [target_compile $source $dest $type $options]; + + # Prune uninteresting compiler (and linker) output. + regsub "Creating library file: \[^\r\n\]*\[\r\n\]+" $result "" result + regsub "\[\r\n\]*$" "$result" "" result; regsub "^\[\r\n\]*" "$result" "" result; - if { $result != "" } { - clone_output "gdb compile failed, $result" + + if {[lsearch $options quiet] < 0} { + # We shall update this on a per language basis, to avoid + # changing the entire testsuite in one go. + if {[lsearch $options f77] >= 0} { + gdb_compile_test $source $result + } elseif { $result != "" } { + clone_output "gdb compile failed, $result" + } } return $result; } -proc send_gdb { string } { - return [remote_send host "$string"]; + +# This is just like gdb_compile, above, except that it tries compiling +# against several different thread libraries, to see which one this +# system has. +proc gdb_compile_pthreads {source dest type options} { + set built_binfile 0 + set why_msg "unrecognized error" + foreach lib {-lpthreads -lpthread -lthread} { + # This kind of wipes out whatever libs the caller may have + # set. Or maybe theirs will override ours. How infelicitous. + set options_with_lib [concat $options [list libs=$lib quiet]] + set ccout [gdb_compile $source $dest $type $options_with_lib] + switch -regexp -- $ccout { + ".*no posix threads support.*" { + set why_msg "missing threads include file" + break + } + ".*cannot open -lpthread.*" { + set why_msg "missing runtime threads library" + } + ".*Can't find library for -lpthread.*" { + set why_msg "missing runtime threads library" + } + {^$} { + pass "successfully compiled posix threads test case" + set built_binfile 1 + break + } + } + } + if {!$built_binfile} { + unsupported "Couldn't compile $source: ${why_msg}" + return -1 + } } -proc gdb_start { } { - default_gdb_start +# Build a shared library from SOURCES. You must use get_compiler_info +# first. + +proc gdb_compile_shlib {sources dest options} { + set obj_options $options + + switch -glob [test_compiler_info] { + "xlc-*" { + lappend obj_options "additional_flags=-qpic" + } + "gcc-*" { + if { !([istarget "powerpc*-*-aix*"] + || [istarget "rs6000*-*-aix*"] + || [istarget "*-*-cygwin*"] + || [istarget "*-*-mingw*"] + || [istarget "*-*-pe*"]) } { + lappend obj_options "additional_flags=-fpic" + } + } + default { + switch -glob [istarget] { + "hppa*-hp-hpux*" { + lappend obj_options "additional_flags=+z" + } + "mips-sgi-irix*" { + # Disable SGI compiler's implicit -Dsgi + lappend obj_options "additional_flags=-Usgi" + } + default { + # don't know what the compiler is... + } + } + } + } + + set outdir [file dirname $dest] + set objects "" + foreach source $sources { + set sourcebase [file tail $source] + if {[gdb_compile $source "${outdir}/${sourcebase}.o" object $obj_options] != ""} { + return -1 + } + lappend objects ${outdir}/${sourcebase}.o + } + + if [istarget "hppa*-*-hpux*"] { + remote_exec build "ld -b ${objects} -o ${dest}" + } else { + set link_options $options + if [test_compiler_info "xlc-*"] { + lappend link_options "additional_flags=-qmkshrobj" + } else { + lappend link_options "additional_flags=-shared" + + if { ([istarget "*-*-mingw*"] + || [istarget *-*-cygwin*] + || [istarget *-*-pe*])} { + lappend link_options "additional_flags=-Wl,--out-implib,${dest}.a" + } + } + if {[gdb_compile "${objects}" "${dest}" executable $link_options] != ""} { + return -1 + } + } } -proc gdb_exit { } { - catch default_gdb_exit +# This is just like gdb_compile_pthreads, above, except that we always add the +# objc library for compiling Objective-C programs +proc gdb_compile_objc {source dest type options} { + set built_binfile 0 + set why_msg "unrecognized error" + foreach lib {-lobjc -lpthreads -lpthread -lthread solaris} { + # This kind of wipes out whatever libs the caller may have + # set. Or maybe theirs will override ours. How infelicitous. + if { $lib == "solaris" } { + set lib "-lpthread -lposix4" + } + if { $lib != "-lobjc" } { + set lib "-lobjc $lib" + } + set options_with_lib [concat $options [list libs=$lib quiet]] + set ccout [gdb_compile $source $dest $type $options_with_lib] + switch -regexp -- $ccout { + ".*no posix threads support.*" { + set why_msg "missing threads include file" + break + } + ".*cannot open -lpthread.*" { + set why_msg "missing runtime threads library" + } + ".*Can't find library for -lpthread.*" { + set why_msg "missing runtime threads library" + } + {^$} { + pass "successfully compiled objc with posix threads test case" + set built_binfile 1 + break + } + } + } + if {!$built_binfile} { + unsupported "Couldn't compile $source: ${why_msg}" + return -1 + } +} + +proc send_gdb { string } { + global suppress_flag; + if { $suppress_flag } { + return "suppressed"; + } + return [remote_send host "$string"]; } # -# 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 +proc gdb_expect { args } { + if { [llength $args] == 2 && [lindex $args 0] != "-re" } { + set atimeout [lindex $args 0]; + set expcode [list [lindex $args 1]]; + } else { + set expcode $args; + } - return [gdb_test "continue" ".*Breakpoint $decimal, $function .*" "continue to $function"]; -} + upvar timeout timeout; -proc gdb_init { args } { - if { [llength $args] > 0 } { - global pf_prefix + 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]; + } + } - set file [lindex $args 0]; + if ![info exists gtimeout] { + global timeout; + if [info exists timeout] { + set gtimeout $timeout; + } + } - set pf_prefix "[file tail [file dirname $file]]/[file tail $file]:"; + if [info exists atimeout] { + if { ![info exists gtimeout] || $gtimeout < $atimeout } { + set gtimeout $atimeout; + } + } else { + if ![info exists gtimeout] { + # Eeeeew. + set gtimeout 60; + } } -} -proc gdb_finish { } { - gdb_exit; + 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 + } +} + +# 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 { $suppress_flag } { + set ok 0 + unresolved "${test}" + } + 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 ${index} + sentinel)" + set ok 0 + } + -re ".*A problem internal to GDB has been detected" { + fail "${test} (GDB internal error)" + set ok 0 + gdb_internal_error_resync + } + 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 ${index})" + set ok 0 + } + -re ".*A problem internal to GDB has been detected" { + fail "${test} (GDB internal error)" + set ok 0 + gdb_internal_error_resync + } + timeout { + fail "${test} (pattern ${index}) (timeout)" + set ok 0 + } + } + } else { + # unresolved "${test}, pattern ${index}" + } + } + } + if { ${ok} } { + pass "${test}" + 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_cmd -- load a file into the debugger. +# ARGS - additional args to load command. +# return a -1 if anything goes wrong. +# +proc gdb_load_cmd { args } { + global gdb_prompt + + if [target_info exists gdb_load_timeout] { + set loadtimeout [target_info gdb_load_timeout] + } else { + set loadtimeout 1600 + } + send_gdb "load $args\n" + verbose "Timeout is now $loadtimeout seconds" 2 + gdb_expect $loadtimeout { + -re "Loading section\[^\r\]*\r\n" { + exp_continue + } + -re "Start address\[\r\]*\r\n" { + exp_continue + } + -re "Transfer rate\[\r\]*\r\n" { + exp_continue + } + -re "Memory access error\[^\r\]*\r\n" { + perror "Failed to load program" + return -1 + } + -re "$gdb_prompt $" { + return 0 + } + -re "(.*)\r\n$gdb_prompt " { + perror "Unexpected reponse from 'load' -- $expect_out(1,string)" + return -1 + } + timeout { + perror "Timed out trying to load $args." + return -1 + } + } + return -1 +} + +# gdb_download +# +# Copy a file to the remote target and return its target filename. +# Schedule the file to be deleted at the end of this test. + +proc gdb_download { filename } { + global cleanfiles + + set destname [remote_download target $filename] + lappend cleanfiles $destname + return $destname +} + +# gdb_load_shlibs LIB... +# +# Copy the listed libraries to the target. + +proc gdb_load_shlibs { args } { + if {![is_remote target]} { + return + } + + foreach file $args { + gdb_download $file + } + + # Even if the target supplies full paths for shared libraries, + # they may not be paths for this system. + gdb_test "set solib-search-path [file dirname [lindex $args 0]]" "" "" +} + +# +# gdb_load -- load a file into the debugger. +# Many files in config/*.exp override this procedure. +# +proc gdb_load { arg } { + return [gdb_file_cmd $arg] +} + +# gdb_reload -- load a file into the target. Called before "running", +# either the first time or after already starting the program once, +# for remote targets. Most files that override gdb_load should now +# override this instead. + +proc gdb_reload { } { + # For the benefit of existing configurations, default to gdb_load. + # Specifying no file defaults to the executable currently being + # debugged. + return [gdb_load ""] +} + +proc gdb_continue { function } { + global decimal + + return [gdb_test "continue" ".*Breakpoint $decimal, $function .*" "continue to $function"]; +} + +proc default_gdb_init { args } { + global gdb_wrapper_initialized + global gdb_wrapper_target + global cleanfiles + + set cleanfiles {} + + gdb_clear_suppressed; + + # Make sure that the wrapper is rebuilt + # with the appropriate multilib option. + if { $gdb_wrapper_target != [current_target_name] } { + set gdb_wrapper_initialized 0 + } + + # Unlike most tests, we have a small number of tests that generate + # a very large amount of output. We therefore increase the expect + # buffer size to be able to contain the entire test output. + match_max -d 30000 + # Also set this value for the currently running GDB. + match_max [match_max -d] + + # 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\\)" + } +} + +# The default timeout used when testing GDB commands. We want to use +# the same timeout as the default dejagnu timeout, unless the user has +# already provided a specific value (probably through a site.exp file). +global gdb_test_timeout +if ![info exists gdb_test_timeout] { + set gdb_test_timeout $timeout +} + +proc gdb_init { args } { + # Reset the timeout value to the default. This way, any testcase + # that changes the timeout value without resetting it cannot affect + # the timeout used in subsequent testcases. + global gdb_test_timeout + global timeout + set timeout $gdb_test_timeout + + return [eval default_gdb_init $args]; +} + +proc gdb_finish { } { + global cleanfiles + + # Exit first, so that the files are no longer in use. + gdb_exit + + if { [llength $cleanfiles] > 0 } { + eval remote_file target delete $cleanfiles + set cleanfiles {} + } +} + +global debug_format +set debug_format "unknown" + +# Run the gdb command "info source" and extract the debugging format +# information from the output and save it in debug_format. + +proc get_debug_format { } { + global gdb_prompt + global verbose + global expect_out + global debug_format + + set debug_format "unknown" + send_gdb "info source\n" + gdb_expect 10 { + -re "Compiled with (.*) debugging format.\r\n.*$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; + } + } +} + +# Return true if FORMAT matches the debug format the current test was +# compiled with. FORMAT is a shell-style globbing pattern; it can use +# `*', `[...]', and so on. +# +# This function depends on variables set by `get_debug_format', above. + +proc test_debug_format {format} { + global debug_format + + return [expr [string match $format $debug_format] != 0] +} + +# 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 } { + set ret [test_debug_format $format]; + + if {$ret} then { + setup_xfail "*-*-*" + } + return $ret; +} + +proc gdb_step_for_stub { } { + global gdb_prompt; + + if ![target_info exists gdb,use_breakpoint_for_stub] { + if [target_info exists gdb_stub_step_command] { + set command [target_info gdb_stub_step_command]; + } else { + set command "step"; + } + send_gdb "${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 $breakpoint" ".*" ""; + return; + } + default {} + } +} + +# gdb_get_line_number TEXT [FILE] +# +# Search the source file FILE, and return the line number of the +# first line containing TEXT. If no match is found, return -1. +# +# TEXT is a string literal, not a regular expression. +# +# The default value of FILE is "$srcdir/$subdir/$srcfile". If FILE is +# specified, and does not start with "/", then it is assumed to be in +# "$srcdir/$subdir". This is awkward, and can be fixed in the future, +# by changing the callers and the interface at the same time. +# In particular: gdb.base/break.exp, gdb.base/condbreak.exp, +# gdb.base/ena-dis-br.exp. +# +# 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.) +# +# === +# +# The previous implementation of this procedure used the gdb search command. +# This version is different: +# +# . It works with MI, and it also works when gdb is not running. +# +# . It operates on the build machine, not the host machine. +# +# . For now, this implementation fakes a current directory of +# $srcdir/$subdir to be compatible with the old implementation. +# This will go away eventually and some callers will need to +# be changed. +# +# . The TEXT argument is literal text and matches literally, +# not a regular expression as it was before. +# +# . State changes in gdb, such as changing the current file +# and setting $_, no longer happen. +# +# After a bit of time we can forget about the differences from the +# old implementation. +# +# --chastain 2004-08-05 + +proc gdb_get_line_number { text { file "" } } { + global srcdir + global subdir + global srcfile + + if { "$file" == "" } then { + set file "$srcfile" + } + if { ! [regexp "^/" "$file"] } then { + set file "$srcdir/$subdir/$file" + } + + if { [ catch { set fd [open "$file"] } message ] } then { + perror "$message" + return -1 + } + + set found -1 + for { set line 1 } { 1 } { incr line } { + if { [ catch { set nchar [gets "$fd" body] } message ] } then { + perror "$message" + return -1 + } + if { $nchar < 0 } then { + break + } + if { [string first "$text" "$body"] >= 0 } then { + set found $line + break + } + } + + if { [ catch { close "$fd" } message ] } then { + perror "$message" + return -1 + } + + return $found +} + +# 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.\[\r\n0-9\]+(... EXIT code 0\[\r\n\]+|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 "The program .* has been started already.*y or n. $" { + send_gdb "y\n" + exp_continue + } + -re "Starting program.*$gdb_prompt $"\ + {pass "rerun to main" ; return 0} + -re "$gdb_prompt $"\ + {fail "rerun to main" ; return 0} + timeout {fail "(timeout) rerun to main" ; return 0} + } + } +} + +# Print a message and return true if a test should be skipped +# due to lack of floating point suport. + +proc gdb_skip_float_test { msg } { + if [target_info exists gdb,skip_float_tests] { + verbose "Skipping test '$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; +} + +# Return true if a test should be skipped due to lack of XML support +# in the host GDB. +# NOTE: This must be called while gdb is *not* running. + +proc gdb_skip_xml_test { } { + global gdb_prompt + global srcdir + global xml_missing_cached + + if {[info exists xml_missing_cached]} { + return $xml_missing_cached + } + + gdb_start + set xml_missing_cached 0 + gdb_test_multiple "set tdesc filename ${srcdir}/gdb.xml/trivial.xml" "" { + -re ".*XML support was disabled at compile time.*$gdb_prompt $" { + set xml_missing_cached 1 + } + -re ".*$gdb_prompt $" { } + } + gdb_exit + return $xml_missing_cached +} + +# Note: the procedure gdb_gnu_strip_debug will produce an executable called +# ${binfile}.dbglnk, which is just like the executable ($binfile) but without +# the debuginfo. Instead $binfile has a .gnu_debuglink section which contains +# the name of a debuginfo only file. This file will be stored in the +# gdb.base/.debug subdirectory. + +# Functions for separate debug info testing + +# starting with an executable: +# foo --> original executable + +# at the end of the process we have: +# foo.stripped --> foo w/o debug info +# .debug/foo.debug --> foo's debug info +# foo --> like foo, but with a new .gnu_debuglink section pointing to foo.debug. + +# Return the name of the file in which we should stor EXEC's separated +# debug info. EXEC contains the full path. +proc separate_debug_filename { exec } { + + # In a .debug subdirectory off the same directory where the testcase + # executable is going to be. Something like: + # /gdb/testsuite/gdb.base/.debug/blah.debug. + # This is the default location where gdb expects to findi + # the debug info file. + + set exec_dir [file dirname $exec] + set exec_file [file tail $exec] + set debug_dir [file join $exec_dir ".debug"] + set debug_file [file join $debug_dir "${exec_file}.debug"] + + return $debug_file +} + +# Return the build-id hex string (usually 160 bits as 40 hex characters) +# converted to the form: .build-id/ab/cdef1234...89.debug +# Return "" if no build-id found. +proc build_id_debug_filename_get { exec } { + set tmp "${exec}-tmp" + set objcopy_program [transform objcopy] + + set result [catch "exec $objcopy_program -j .note.gnu.build-id -O binary $exec $tmp" output] + verbose "result is $result" + verbose "output is $output" + if {$result == 1} { + return "" + } + set fi [open $tmp] + fconfigure $fi -translation binary + # Skip the NOTE header. + read $fi 16 + set data [read $fi] + close $fi + file delete $tmp + if ![string compare $data ""] then { + return "" + } + # Convert it to hex. + binary scan $data H* data + set data [regsub {^..} $data {\0/}] + return ".build-id/${data}.debug"; +} + +# Create stripped files for DEST, replacing it. If ARGS is passed, it is a +# list of optional flags. The only currently supported flag is no-main, +# which removes the symbol entry for main from the separate debug file. + +proc gdb_gnu_strip_debug { dest args } { + + set debug_file [separate_debug_filename $dest] + set strip_to_file_program [transform strip] + set objcopy_program [transform objcopy] + + # Make sure the directory that will hold the separated debug + # info actually exists. + set debug_dir [file dirname $debug_file] + if {! [file isdirectory $debug_dir]} { + file mkdir $debug_dir + } + + set debug_link [file tail $debug_file] + set stripped_file "${dest}.stripped" + + # Get rid of the debug info, and store result in stripped_file + # something like gdb/testsuite/gdb.base/blah.stripped. + set result [catch "exec $strip_to_file_program --strip-debug ${dest} -o ${stripped_file}" output] + verbose "result is $result" + verbose "output is $output" + if {$result == 1} { + return 1 + } + + # Workaround PR binutils/10802: + # Preserve the 'x' bit also for PIEs (Position Independent Executables). + set perm [file attributes ${dest} -permissions] + file attributes ${stripped_file} -permissions $perm + + # Get rid of everything but the debug info, and store result in debug_file + # This will be in the .debug subdirectory, see above. + set result [catch "exec $strip_to_file_program --only-keep-debug ${dest} -o ${debug_file}" output] + verbose "result is $result" + verbose "output is $output" + if {$result == 1} { + return 1 + } + + # If no-main is passed, strip the symbol for main from the separate + # file. This is to simulate the behavior of elfutils's eu-strip, which + # leaves the symtab in the original file only. There's no way to get + # objcopy or strip to remove the symbol table without also removing the + # debugging sections, so this is as close as we can get. + if { [llength $args] == 1 && [lindex $args 0] == "no-main" } { + set result [catch "exec $objcopy_program -N main ${debug_file} ${debug_file}-tmp" output] + verbose "result is $result" + verbose "output is $output" + if {$result == 1} { + return 1 + } + file delete "${debug_file}" + file rename "${debug_file}-tmp" "${debug_file}" + } + + # Link the two previous output files together, adding the .gnu_debuglink + # section to the stripped_file, containing a pointer to the debug_file, + # save the new file in dest. + # This will be the regular executable filename, in the usual location. + set result [catch "exec $objcopy_program --add-gnu-debuglink=${debug_file} ${stripped_file} ${dest}" output] + verbose "result is $result" + verbose "output is $output" + if {$result == 1} { + return 1 + } + + # Workaround PR binutils/10802: + # Preserve the 'x' bit also for PIEs (Position Independent Executables). + set perm [file attributes ${stripped_file} -permissions] + file attributes ${dest} -permissions $perm + + return 0 +} + +# Test the output of GDB_COMMAND matches the pattern obtained +# by concatenating all elements of EXPECTED_LINES. This makes +# it possible to split otherwise very long string into pieces. +# If third argument is not empty, it's used as the name of the +# test to be printed on pass/fail. +proc help_test_raw { gdb_command expected_lines args } { + set message $gdb_command + if [llength $args]>0 then { + set message [lindex $args 0] + } + set expected_output [join $expected_lines ""] + gdb_test "${gdb_command}" "${expected_output}" $message +} + +# Test the output of "help COMMNAD_CLASS". EXPECTED_INITIAL_LINES +# are regular expressions that should match the beginning of output, +# before the list of commands in that class. The presence of +# command list and standard epilogue will be tested automatically. +proc test_class_help { command_class expected_initial_lines args } { + set l_stock_body { + "List of commands\:.*\[\r\n\]+" + "Type \"help\" followed by command name for full documentation\.\[\r\n\]+" + "Type \"apropos word\" to search for commands related to \"word\"\.[\r\n\]+" + "Command name abbreviations are allowed if unambiguous\." + } + set l_entire_body [concat $expected_initial_lines $l_stock_body] + + eval [list help_test_raw "help ${command_class}" $l_entire_body] $args +} + +# COMMAND_LIST should have either one element -- command to test, or +# two elements -- abbreviated command to test, and full command the first +# element is abbreviation of. +# The command must be a prefix command. EXPECTED_INITIAL_LINES +# are regular expressions that should match the beginning of output, +# before the list of subcommands. The presence of +# subcommand list and standard epilogue will be tested automatically. +proc test_prefix_command_help { command_list expected_initial_lines args } { + set command [lindex $command_list 0] + if {[llength $command_list]>1} { + set full_command [lindex $command_list 1] + } else { + set full_command $command + } + # Use 'list' and not just {} because we want variables to + # be expanded in this list. + set l_stock_body [list\ + "List of $full_command subcommands\:.*\[\r\n\]+"\ + "Type \"help $full_command\" followed by $full_command subcommand name for full documentation\.\[\r\n\]+"\ + "Type \"apropos word\" to search for commands related to \"word\"\.\[\r\n\]+"\ + "Command name abbreviations are allowed if unambiguous\."] + set l_entire_body [concat $expected_initial_lines $l_stock_body] + if {[llength $args]>0} { + help_test_raw "help ${command}" $l_entire_body [lindex $args 0] + } else { + help_test_raw "help ${command}" $l_entire_body + } +} + +# Build executable named EXECUTABLE, from SOURCES. If SOURCES are not +# provided, uses $EXECUTABLE.c. The TESTNAME paramer is the name of test +# to pass to untested, if something is wrong. OPTIONS are passed +# to gdb_compile directly. +proc build_executable { testname executable {sources ""} {options {debug}} } { + + global objdir + global subdir + global srcdir + if {[llength $sources]==0} { + set sources ${executable}.c + } + + set binfile ${objdir}/${subdir}/${executable} + + set objects {} + for {set i 0} "\$i<[llength $sources]" {incr i} { + set s [lindex $sources $i] + if { [gdb_compile "${srcdir}/${subdir}/${s}" "${binfile}${i}.o" object $options] != "" } { + untested $testname + return -1 + } + lappend objects "${binfile}${i}.o" + } + + if { [gdb_compile $objects "${binfile}" executable $options] != "" } { + untested $testname + return -1 + } + + if [get_compiler_info ${binfile}] { + return -1 + } + return 0 +} + +# Starts fresh GDB binary and loads EXECUTABLE into GDB. EXECUTABLE is +# the name of binary in ${objdir}/${subdir}. +proc clean_restart { executable } { + global srcdir + global objdir + global subdir + set binfile ${objdir}/${subdir}/${executable} + + gdb_exit + gdb_start + gdb_reinitialize_dir $srcdir/$subdir + gdb_load ${binfile} + + if [target_info exists gdb_stub] { + gdb_step_for_stub; + } +} + +# Prepares for testing, by calling build_executable, and then clean_restart. +# Please refer to build_executable for parameter description. +proc prepare_for_testing { testname executable {sources ""} {options {debug}}} { + + if {[build_executable $testname $executable $sources $options] == -1} { + return -1 + } + clean_restart $executable + + return 0 +} + +proc get_valueof { fmt exp default } { + global gdb_prompt + + set test "get valueof \"${exp}\"" + set val ${default} + gdb_test_multiple "print${fmt} ${exp}" "$test" { + -re "\\$\[0-9\]* = (.*)\[\r\n\]*$gdb_prompt $" { + set val $expect_out(1,string) + pass "$test ($val)" + } + timeout { + fail "$test (timeout)" + } + } + return ${val} +} + +proc get_integer_valueof { exp default } { + global gdb_prompt + + set test "get integer valueof \"${exp}\"" + set val ${default} + gdb_test_multiple "print /d ${exp}" "$test" { + -re "\\$\[0-9\]* = (\[-\]*\[0-9\]*).*$gdb_prompt $" { + set val $expect_out(1,string) + pass "$test ($val)" + } + timeout { + fail "$test (timeout)" + } + } + return ${val} +} + +proc get_hexadecimal_valueof { exp default } { + global gdb_prompt + send_gdb "print /x ${exp}\n" + set test "get hexadecimal valueof \"${exp}\"" + gdb_expect { + -re "\\$\[0-9\]* = (0x\[0-9a-zA-Z\]+).*$gdb_prompt $" { + set val $expect_out(1,string) + pass "$test" + } + timeout { + set val ${default} + fail "$test (timeout)" + } + } + return ${val} +} + +proc get_sizeof { type default } { + return [get_integer_valueof "sizeof (${type})" $default] +} + +# Log gdb command line and script if requested. +if {[info exists TRANSCRIPT]} { + rename send_gdb real_send_gdb + rename remote_spawn real_remote_spawn + rename remote_close real_remote_close + + global gdb_transcript + set gdb_transcript "" + + global gdb_trans_count + set gdb_trans_count 1 + + proc remote_spawn {args} { + global gdb_transcript gdb_trans_count outdir + + if {$gdb_transcript != ""} { + close $gdb_transcript + } + set gdb_transcript [open [file join $outdir transcript.$gdb_trans_count] w] + puts $gdb_transcript [lindex $args 1] + incr gdb_trans_count + + return [uplevel real_remote_spawn $args] + } + + proc remote_close {args} { + global gdb_transcript + + if {$gdb_transcript != ""} { + close $gdb_transcript + set gdb_transcript "" + } + + return [uplevel real_remote_close $args] + } + + proc send_gdb {args} { + global gdb_transcript + + if {$gdb_transcript != ""} { + puts -nonewline $gdb_transcript [lindex $args 0] + } + + return [uplevel real_send_gdb $args] + } +} + +proc core_find {binfile {deletefiles {}} {arg ""}} { + global objdir subdir + + set destcore "$binfile.core" + file delete $destcore + + # Create a core file named "$destcore" rather than just "core", to + # avoid problems with sys admin types that like to regularly prune all + # files named "core" from the system. + # + # Arbitrarily try setting the core size limit to "unlimited" since + # this does not hurt on systems where the command does not work and + # allows us to generate a core on systems where it does. + # + # Some systems append "core" to the name of the program; others append + # the name of the program to "core"; still others (like Linux, as of + # May 2003) create cores named "core.PID". In the latter case, we + # could have many core files lying around, and it may be difficult to + # tell which one is ours, so let's run the program in a subdirectory. + set found 0 + set coredir "${objdir}/${subdir}/coredir.[getpid]" + file mkdir $coredir + catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile} ${arg}; true) >/dev/null 2>&1\"" + # remote_exec host "${binfile}" + foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" { + if [remote_file build exists $i] { + remote_exec build "mv $i $destcore" + set found 1 + } + } + # Check for "core.PID". + if { $found == 0 } { + set names [glob -nocomplain -directory $coredir core.*] + if {[llength $names] == 1} { + set corefile [file join $coredir [lindex $names 0]] + remote_exec build "mv $corefile $destcore" + set found 1 + } + } + if { $found == 0 } { + # The braindamaged HPUX shell quits after the ulimit -c above + # without executing ${binfile}. So we try again without the + # ulimit here if we didn't find a core file above. + # Oh, I should mention that any "braindamaged" non-Unix system has + # the same problem. I like the cd bit too, it's really neat'n stuff. + catch "system \"(cd ${objdir}/${subdir}; ${binfile}; true) >/dev/null 2>&1\"" + foreach i "${objdir}/${subdir}/core ${objdir}/${subdir}/core.coremaker.c ${binfile}.core" { + if [remote_file build exists $i] { + remote_exec build "mv $i $destcore" + set found 1 + } + } + } + + # Try to clean up after ourselves. + foreach deletefile $deletefiles { + remote_file build delete [file join $coredir $deletefile] + } + remote_exec build "rmdir $coredir" + + if { $found == 0 } { + warning "can't generate a core file - core tests suppressed - check ulimit -c" + return "" + } + return $destcore }