# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
+# 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
+# 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
verbose "using GDBFLAGS = $GDBFLAGS" 2
# INTERNAL_GDBFLAGS contains flags that the testsuite requires.
-set INTERNAL_GDBFLAGS "-nw -nx"
+global INTERNAL_GDBFLAGS
+if ![info exists INTERNAL_GDBFLAGS] {
+ set INTERNAL_GDBFLAGS "-nw -nx -data-directory [pwd]/../data-directory"
+}
# The variable gdb_prompt is a regexp which matches the gdb prompt.
# Set it if it is not already set.
set octal "\[0-7\]+"
+set inferior_exited_re "(\\\[Inferior \[0-9\]+ \\(.*\\) exited)"
+
### Only procedures should come after this point.
#
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"
+ -re "A program is being debugged already.*Are you sure you want to change the file.*y or n. $" {
+ send_gdb "y\n"
exp_continue
}
-re "Discard symbol table from .*y or n.*$" {
exp_continue
}
-notransfer -re "Starting program: \[^\r\n\]*" {}
+ -notransfer -re "$gdb_prompt $" {
+ # There is no more input expected.
+ }
}
}
}
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
}
- # Use -notransfer here so that test cases (like chng-sym.exp)
- # may test for additional start-up messages.
-notransfer -re "Starting program: \[^\r\n\]*" {
return 0
}
send_gdb "$pending_response\n"
exp_continue
}
+ -re "A problem internal to GDB has been detected" {
+ fail "setting breakpoint at $function in runto (GDB internal error)"
+ gdb_internal_error_resync
+ return 0
+ }
-re "$gdb_prompt $" {
if { $no_message == 0 } {
fail "setting breakpoint at $function"
-re "Breakpoint \[0-9\]*, \[0-9xa-f\]* in .*$gdb_prompt $" {
return 1
}
+ -re "The target does not support running in non-stop mode.\r\n$gdb_prompt $" {
+ unsupported "Non-stop mode not supported"
+ return 0
+ }
+ -re ".*A problem internal to GDB has been detected" {
+ fail "running to $function in runto (GDB internal error)"
+ gdb_internal_error_resync
+ return 0
+ }
-re "$gdb_prompt $" {
fail "running to $function in runto"
return 0
# }
# }
#
-# The standard patterns, such as "Program exited..." and "A problem
+# The standard patterns, such as "Inferior 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 inferior_exited_re
upvar timeout timeout
upvar expect_out expect_out
set message $command
}
+ if [string match "*\[\r\n\]" $command] {
+ error "Invalid trailing newline in \"$message\" test"
+ }
+
# 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.
set processed_code ""
set patterns ""
set expecting_action 0
+ set expecting_arg 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"} {
+ if { $item == "-indices" || $item == "-re" || $item == "-ex" } {
+ lappend processed_code $item
+ continue
+ }
+ if { $item == "-timeout" } {
+ set expecting_arg 1
+ lappend processed_code $item
+ continue
+ }
+ if { $expecting_arg } {
+ set expecting_arg 0
lappend processed_code $item
continue
}
fail "$message"
set result 1
}
- -re "Program exited with code \[0-9\]+.*$gdb_prompt $" {
+ -re "$inferior_exited_re with code \[0-9\]+.*$gdb_prompt $" {
if ![string match "" $message] then {
set errmsg "$message (the program exited)"
} else {
fail "$errmsg"
set result -1
}
- -re "EXIT code \[0-9\r\n\]+Program exited normally.*$gdb_prompt $" {
+ -re "$inferior_exited_re normally.*$gdb_prompt $" {
if ![string match "" $message] then {
set errmsg "$message (the program exited)"
} else {
fail "$message"
set result -1
}
- -re "\\(y or n\\) " {
+ -re "\\((y or n|y or \\\[n\\\]|\\\[y\\\] or n)\\) " {
send_gdb "n\n"
- perror "Got interactive prompt."
- fail "$message"
+ gdb_expect -re "$gdb_prompt $"
+ fail "$message (got interactive prompt)"
+ set result -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
}
eof {
}
}]
}
+
+# gdb_test_no_output COMMAND MESSAGE
+# Send a command to GDB and verify that this command generated no output.
+#
+# See gdb_test_multiple for a description of the COMMAND and MESSAGE
+# parameters. If MESSAGE is ommitted, then COMMAND will be used as
+# the message. (If MESSAGE is the empty string, then sometimes we do not
+# call pass or fail at all; I don't understand this at all.)
+
+proc gdb_test_no_output { args } {
+ global gdb_prompt
+ set command [lindex $args 0]
+ if [llength $args]>1 then {
+ set message [lindex $args 1]
+ } else {
+ set message $command
+ }
+
+ set command_regex [string_to_regexp $command]
+ gdb_test_multiple $command $message {
+ -re "^$command_regex\r\n$gdb_prompt $" {
+ if ![string match "" $message] then {
+ pass "$message"
+ }
+ }
+ }
+}
+
+# Send a command and then wait for a sequence of outputs.
+# This is useful when the sequence is long and contains ".*", a single
+# regexp to match the entire output can get a timeout much easier.
+#
+# COMMAND is the command to send.
+# TEST_NAME is passed to pass/fail. COMMAND is used if TEST_NAME is "".
+# EXPECTED_OUTPUT_LIST is a list of regexps of expected output, which are
+# processed in order, and all must be present in the output.
+#
+# It is unnecessary to specify ".*" at the beginning or end of any regexp,
+# there is an implicit ".*" between each element of EXPECTED_OUTPUT_LIST.
+# There is also an implicit ".*" between the last regexp and the gdb prompt.
+#
+# Like gdb_test and gdb_test_multiple, the output is expected to end with the
+# gdb prompt, which must not be specified in EXPECTED_OUTPUT_LIST.
+#
+# Returns:
+# 1 if the test failed,
+# 0 if the test passes,
+# -1 if there was an internal error.
+
+proc gdb_test_sequence { command test_name expected_output_list } {
+ global gdb_prompt
+ if { $test_name == "" } {
+ set test_name $command
+ }
+ lappend expected_output_list ""; # implicit ".*" before gdb prompt
+ send_gdb "$command\n"
+ return [gdb_expect_list $test_name "$gdb_prompt $" $expected_output_list]
+}
+
\f
# Test that a command gives an error. For pass or fail, return
# a 1 to indicate that more tests can proceed. However a timeout
return [gdb_test $command $pattern $message]
}
+
+# Wrapper around gdb_test_multiple that looks for a list of expected
+# output elements, but which can appear in any order.
+# CMD is the gdb command.
+# NAME is the name of the test.
+# ELM_FIND_REGEXP specifies how to partition the output into elements to
+# compare.
+# ELM_EXTRACT_REGEXP specifies the part of ELM_FIND_REGEXP to compare.
+# RESULT_MATCH_LIST is a list of exact matches for each expected element.
+# All elements of RESULT_MATCH_LIST must appear for the test to pass.
+#
+# A typical use of ELM_FIND_REGEXP/ELM_EXTRACT_REGEXP is to extract one line
+# of text per element and then strip trailing \r\n's.
+# Example:
+# gdb_test_list_exact "foo" "bar" \
+# {[^\r\n]+[\r\n]+} \
+# {[^\r\n]+} \
+# { \
+# {expected result 1} \
+# {expected result 2} \
+# }
+
+proc gdb_test_list_exact { cmd name elm_find_regexp elm_extract_regexp result_match_list } {
+ global gdb_prompt
+
+ set matches [lsort $result_match_list]
+ set seen {}
+ gdb_test_multiple $cmd $name {
+ "$cmd\[\r\n\]" { exp_continue }
+ -re $elm_find_regexp {
+ set str $expect_out(0,string)
+ verbose -log "seen: $str" 3
+ regexp -- $elm_extract_regexp $str elm_seen
+ verbose -log "extracted: $elm_seen" 3
+ lappend seen $elm_seen
+ exp_continue
+ }
+ -re "$gdb_prompt $" {
+ set failed ""
+ foreach got [lsort $seen] have $matches {
+ if {![string equal $got $have]} {
+ set failed $have
+ break
+ }
+ }
+ if {[string length $failed] != 0} {
+ fail "$name ($failed not found)"
+ } else {
+ pass $name
+ }
+ }
+ }
+}
\f
proc gdb_reinitialize_dir { subdir } {
global gdb_prompt
global gdb_prompt
global timeout
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] {
unsupported "compilation [file tail $src]"
} elseif { [regexp {.*: command not found[\r|\n]*$} $output] } {
unsupported "compilation [file tail $src]"
+ } elseif { [regexp {.*: [^\r\n]*compiler not installed[^\r\n]*[\r|\n]*$} $output] } {
+ unsupported "compilation [file tail $src]"
} else {
verbose -log "compilation failed: $output" 2
fail "compilation [file tail $src]"
return 0
}
+# Return a 1 for configurations for which don't have both C++ and the STL.
+
+proc skip_stl_tests {} {
+ # Symbian supports the C++ language, but the STL is missing
+ # (both headers and libraries).
+ if { [istarget "arm*-*-symbianelf*"] } {
+ return 1
+ }
+
+ return [skip_cplus_tests]
+}
+
# Return a 1 if I don't even want to try to test FORTRAN.
proc skip_fortran_tests {} {
return 0
}
+# Return a 1 for configurations that do not support Python scripting.
+
+proc skip_python_tests {} {
+ global gdb_prompt
+ gdb_test_multiple "python print 'test'" "verify python support" {
+ -re "not supported.*$gdb_prompt $" {
+ unsupported "Python support is disabled."
+ return 1
+ }
+ -re "$gdb_prompt $" {}
+ }
+
+ return 0
+}
+
# Return a 1 if we should skip shared library tests.
proc skip_shlib_tests {} {
return 1
}
+# Return 1 if target is ILP32.
+# This cannot be decided simply from looking at the target string,
+# as it might depend on externally passed compiler options like -m64.
+proc is_ilp32_target {} {
+ global is_ilp32_target_saved
+
+ # Use the cached value, if it exists. Cache value per "board" to handle
+ # runs with multiple options (e.g. unix/{-m32,-64}) correctly.
+ set me "is_ilp32_target"
+ set board [target_info name]
+ if [info exists is_ilp32_target_saved($board)] {
+ verbose "$me: returning saved $is_ilp32_target_saved($board)" 2
+ return $is_ilp32_target_saved($board)
+ }
+
+
+ set src ilp32[pid].c
+ set obj ilp32[pid].o
+
+ set f [open $src "w"]
+ puts $f "int dummy\[sizeof (int) == 4"
+ puts $f " && sizeof (void *) == 4"
+ puts $f " && sizeof (long) == 4 ? 1 : -1\];"
+ close $f
+
+ verbose "$me: compiling testfile $src" 2
+ set lines [gdb_compile $src $obj object {quiet}]
+ file delete $src
+ file delete $obj
+
+ if ![string match "" $lines] then {
+ verbose "$me: testfile compilation failed, returning 0" 2
+ return [set is_ilp32_target_saved($board) 0]
+ }
+
+ verbose "$me: returning 1" 2
+ return [set is_ilp32_target_saved($board) 1]
+}
+
+# Return 1 if target is LP64.
+# This cannot be decided simply from looking at the target string,
+# as it might depend on externally passed compiler options like -m64.
+proc is_lp64_target {} {
+ global is_lp64_target_saved
+
+ # Use the cached value, if it exists. Cache value per "board" to handle
+ # runs with multiple options (e.g. unix/{-m32,-64}) correctly.
+ set me "is_lp64_target"
+ set board [target_info name]
+ if [info exists is_lp64_target_saved($board)] {
+ verbose "$me: returning saved $is_lp64_target_saved($board)" 2
+ return $is_lp64_target_saved($board)
+ }
+
+ set src lp64[pid].c
+ set obj lp64[pid].o
+
+ set f [open $src "w"]
+ puts $f "int dummy\[sizeof (int) == 4"
+ puts $f " && sizeof (void *) == 8"
+ puts $f " && sizeof (long) == 8 ? 1 : -1\];"
+ close $f
+
+ verbose "$me: compiling testfile $src" 2
+ set lines [gdb_compile $src $obj object {quiet}]
+ file delete $src
+ file delete $obj
+
+ if ![string match "" $lines] then {
+ verbose "$me: testfile compilation failed, returning 0" 2
+ return [set is_lp64_target_saved($board) 0]
+ }
+
+ verbose "$me: returning 1" 2
+ return [set is_lp64_target_saved($board) 1]
+}
+
# Run a test on the target to see if it supports vmx hardware. Return 0 if so,
# 1 if it does not. Based on 'check_vmx_hw_available' from the GCC testsuite.
proc skip_altivec_tests {} {
global skip_vmx_tests_saved
- global srcdir subdir gdb_prompt
+ global srcdir subdir gdb_prompt inferior_exited_re
# Use the cached value, if it exists.
set me "skip_altivec_tests"
verbose -log "\n$me altivec hardware not detected"
set skip_vmx_tests_saved 1
}
- -re ".*Program exited normally.*${gdb_prompt} $" {
+ -re ".*$inferior_exited_re normally.*${gdb_prompt} $" {
verbose -log "\n$me: altivec hardware detected"
set skip_vmx_tests_saved 0
}
proc skip_vsx_tests {} {
global skip_vsx_tests_saved
- global srcdir subdir gdb_prompt
+ global srcdir subdir gdb_prompt inferior_exited_re
# Use the cached value, if it exists.
set me "skip_vsx_tests"
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"
+ set compile_flags "$compile_flags additional_flags=-qasm=gcc"
} else {
verbose "Could not compile with vsx support, returning 1" 2
return 1
set f [open $src "w"]
puts $f "int main() {"
+ puts $f " double a\[2\] = { 1.0, 2.0 };"
puts $f "#ifdef __MACH__"
- puts $f " asm volatile (\"lxvd2x v0,v0,v0\");"
+ puts $f " asm volatile (\"lxvd2x v0,v0,%\[addr\]\" : : \[addr\] \"r\" (a));"
puts $f "#else"
- puts $f " asm volatile (\"lxvd2x 0,0,0\");"
+ puts $f " asm volatile (\"lxvd2x 0,0,%\[addr\]\" : : \[addr\] \"r\" (a));"
puts $f "#endif"
puts $f " return 0; }"
close $f
verbose -log "\n$me VSX hardware not detected"
set skip_vsx_tests_saved 1
}
- -re ".*Program exited normally.*${gdb_prompt} $" {
+ -re ".*$inferior_exited_re normally.*${gdb_prompt} $" {
verbose -log "\n$me: VSX hardware detected"
set skip_vsx_tests_saved 0
}
return 0
}
+# Return a 1 if we should skip tests that require hardware breakpoints
+
+proc skip_hw_breakpoint_tests {} {
+ # Skip tests if requested by the board (note that no_hardware_watchpoints
+ # disables both watchpoints and breakpoints)
+ if { [target_info exists gdb,no_hardware_watchpoints]} {
+ return 1
+ }
+
+ # These targets support hardware breakpoints natively
+ if { [istarget "i?86-*-*"]
+ || [istarget "x86_64-*-*"]
+ || [istarget "ia64-*-*"]
+ || [istarget "arm*-*-*"]} {
+ return 0
+ }
+
+ return 1
+}
+
+# Return a 1 if we should skip tests that require hardware watchpoints
+
+proc skip_hw_watchpoint_tests {} {
+ # Skip tests if requested by the board
+ if { [target_info exists gdb,no_hardware_watchpoints]} {
+ return 1
+ }
+
+ # These targets support hardware watchpoints natively
+ if { [istarget "i?86-*-*"]
+ || [istarget "x86_64-*-*"]
+ || [istarget "ia64-*-*"]
+ || [istarget "arm*-*-*"]
+ || [istarget "powerpc*-*-linux*"]
+ || [istarget "s390*-*-*"] } {
+ return 0
+ }
+
+ return 1
+}
+
+# Return a 1 if we should skip tests that require *multiple* hardware
+# watchpoints to be active at the same time
+
+proc skip_hw_watchpoint_multi_tests {} {
+ if { [skip_hw_watchpoint_tests] } {
+ return 1
+ }
+
+ # These targets support just a single hardware watchpoint
+ if { [istarget "arm*-*-*"]
+ || [istarget "powerpc*-*-linux*"] } {
+ return 1
+ }
+
+ return 0
+}
+
+# Return a 1 if we should skip tests that require read/access watchpoints
+
+proc skip_hw_watchpoint_access_tests {} {
+ if { [skip_hw_watchpoint_tests] } {
+ return 1
+ }
+
+ # These targets support just write watchpoints
+ if { [istarget "s390*-*-*"] } {
+ return 1
+ }
+
+ return 0
+}
+
set compiler_info "unknown"
set gcc_compiled 0
set hp_cc_compiler 0
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 { $gdb_wrapper_initialized == 1 } { return; }
}
}
set gdb_wrapper_initialized 1
+ set gdb_wrapper_target [current_target_name]
}
# Some targets need to always link a special object in. Save its path here.
if { ([istarget "*-*-mingw*"]
|| [istarget *-*-cygwin*]
|| [istarget *-*-pe*]
- || [istarget arm*-*-symbianelf*]
|| [istarget hppa*-*-hpux*])} {
# Do not need anything.
} elseif { [istarget *-*-openbsd*] } {
- lappend new_options "additional_flags=-Wl,-rpath,${outdir}"
+ lappend new_options "ldflags=-Wl,-rpath,${outdir}"
+ } elseif { [istarget arm*-*-symbianelf*] } {
+ if { $shlib_load } {
+ lappend new_options "libs=-ldl"
+ }
} else {
if { $shlib_load } {
lappend new_options "libs=-ldl"
}
- lappend new_options "additional_flags=-Wl,-rpath,\\\$ORIGIN"
+ lappend new_options "ldflags=-Wl,-rpath,\\\$ORIGIN"
}
}
set options $new_options
proc gdb_compile_pthreads {source dest type options} {
set built_binfile 0
set why_msg "unrecognized error"
- foreach lib {-lpthreads -lpthread -lthread} {
+ 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]]
}
}
-# gdb_expect_list MESSAGE SENTINEL LIST -- expect a sequence of outputs
+# gdb_expect_list TEST 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.
+# TEST: 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.
# 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
while { ${index} < [llength ${list}] } {
set pattern [lindex ${list} ${index}]
set index [expr ${index} + 1]
+ verbose -log "gdb_expect_list pattern: /$pattern/" 2
if { ${index} == [llength ${list}] } {
if { ${ok} } {
gdb_expect {
return -1
}
+# Return the filename to download to the target and load on the target
+# for this shared library. Normally just LIBNAME, unless shared libraries
+# for this target have separate link and load images.
+
+proc shlib_target_file { libname } {
+ return $libname
+}
+
+# Return the filename GDB will load symbols from when debugging this
+# shared library. Normally just LIBNAME, unless shared libraries for
+# this target have separate link and load images.
+
+proc shlib_symbol_file { libname } {
+ return $libname
+}
+
# gdb_download
#
# Copy a file to the remote target and return its target filename.
}
foreach file $args {
- gdb_download $file
+ gdb_download [shlib_target_file $file]
}
# Even if the target supplies full paths for shared libraries,
proc default_gdb_init { args } {
global gdb_wrapper_initialized
+ global gdb_wrapper_target
global cleanfiles
set cleanfiles {}
# Make sure that the wrapper is rebuilt
# with the appropriate multilib option.
- set gdb_wrapper_initialized 0
+ 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
}
}
+# 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
+}
+
+# A list of global variables that GDB testcases should not use.
+# We try to prevent their use by monitoring write accesses and raising
+# an error when that happens.
+set banned_variables { bug_id prms_id }
+
+# gdb_init is called by runtest at start, but also by several
+# tests directly; gdb_finish is only called from within runtest after
+# each test source execution.
+# Placing several traces by repetitive calls to gdb_init leads
+# to problems, as only one trace is removed in gdb_finish.
+# To overcome this possible problem, we add a variable that records
+# if the banned variables are traced.
+set banned_variables_traced 0
+
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 $gdb_test_timeout
+
+ # Block writes to all banned variables...
+ global banned_variables
+ global banned_variables_traced
+ if (!$banned_variables_traced) {
+ foreach banned_var $banned_variables {
+ global "$banned_var"
+ trace add variable "$banned_var" write error
+ }
+ set banned_variables_traced 1
+ }
+
+ # We set LC_ALL, LC_CTYPE, and LANG to C so that we get the same
+ # messages as expected.
+ setenv LC_ALL C
+ setenv LC_CTYPE C
+ setenv LANG 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.
+ setenv 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.
+ setenv TERM "vt100"
+
+ # Some tests (for example gdb.base/maint.exp) shell out from gdb to use
+ # grep. Clear GREP_OPTIONS to make the behavoiur predictable,
+ # especially having color output turned on can cause tests to fail.
+ setenv GREP_OPTIONS ""
+
+ # Clear $gdbserver_reconnect_p.
+ global gdbserver_reconnect_p
+ set gdbserver_reconnect_p 1
+ unset gdbserver_reconnect_p
+
return [eval default_gdb_init $args];
}
eval remote_file target delete $cleanfiles
set cleanfiles {}
}
+
+ # Unblock write access to the banned variables. Dejagnu typically
+ # resets some of them between testcases.
+ global banned_variables
+ global banned_variables_traced
+ if ($banned_variables_traced) {
+ foreach banned_var $banned_variables {
+ global "$banned_var"
+ trace remove variable "$banned_var" write error
+ }
+ set banned_variables_traced 0
+ }
}
global debug_format
# stub is used, we set a breakpoint at exit because we cannot rely on
# exit() behavior of a remote target.
#
-# mssg is the error message that gets printed.
-
-proc gdb_continue_to_end {mssg} {
+# MSSG is the error message that gets printed. If not given, a
+# default is used.
+# COMMAND is the command to invoke. If not given, "continue" is
+# used.
+# ALLOW_EXTRA is a flag indicating whether the test should expect
+# extra output between the "Continuing." line and the program
+# exiting. By default it is zero; if nonzero, any extra output
+# is accepted.
+
+proc gdb_continue_to_end {{mssg ""} {command continue} {allow_extra 0}} {
+ global inferior_exited_re
+
+ if {$mssg == ""} {
+ set text "continue until exit"
+ } else {
+ set text "continue until exit at $mssg"
+ }
+ if {$allow_extra} {
+ set extra ".*"
+ } else {
+ set extra ""
+ }
if [target_info exists use_gdb_stub] {
if {![gdb_breakpoint "exit"]} {
return 0
}
- gdb_test "continue" "Continuing..*Breakpoint .*exit.*" \
- "continue until exit at $mssg"
+ gdb_test $command "Continuing..*Breakpoint .*exit.*" \
+ $text
} 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"
+ gdb_test $command \
+ "Continuing.\[\r\n0-9\]+${extra}(... EXIT code 0\[\r\n\]+|$inferior_exited_re normally).*"\
+ $text
}
}
# 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
# 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.
+# the name of a debuginfo only file. This file will be stored in the same
+# subdirectory.
# Functions for separate debug info testing
# at the end of the process we have:
# foo.stripped --> foo w/o debug info
-# .debug/foo.debug --> foo's debug info
+# 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:
- # <your-path>/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.
}
# Convert it to hex.
binary scan $data H* data
- set data [regsub {^..} $data {\0/}]
+ regsub {^..} $data {\0/} data
return ".build-id/${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.
+#
+# Function returns zero on success. Function will return non-zero failure code
+# on some targets not supporting separate debug info (such as i386-msdos).
proc gdb_gnu_strip_debug { dest args } {
- set debug_file [separate_debug_filename $dest]
+ # Use the first separate debug info file location searched by GDB so the
+ # run cannot be broken by some stale file searched with higher precedence.
+ set debug_file "${dest}.debug"
+
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"
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]
return 1
}
- return 0
+ # 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
return -1
}
- if [get_compiler_info ${binfile}] {
+ set info_options ""
+ if { [lsearch -exact $options "c++"] >= 0 } {
+ set info_options "c++"
+ }
+ if [get_compiler_info ${binfile} ${info_options}] {
return -1
}
return 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
+}
projects / deliverable / binutils-gdb.git / blobdiff