# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+# 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
}
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
+# 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
# The variable fullname_syntax_POSIX is a regexp which matches a POSIX
# absolute path ie. /foo/
-set fullname_syntax_POSIX "/.*/"
+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 {\\\\[^\\]+\\.+\\}
+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 {\\[^\\].*\\}
+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]:.*\\}
+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.
set EXEEXT $env(EXEEXT)
}
+set octal "\[0-7\]+"
+
### Only procedures should come after this point.
#
#
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"
}
}
}
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
}
}
# Set a breakpoint at FUNCTION. If there is an additional argument it is
-# a list of options; the supported options are allow-pending and temporary.
+# a list of options; the supported options are allow-pending, temporary,
+# and no-message.
proc gdb_breakpoint { function args } {
global gdb_prompt
}
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_command $function\n"
# The first two regexps are what we get with -g, the third is without -g.
gdb_expect 30 {
- -re "Breakpoint \[0-9\]* at .*: file .*, line $decimal.\r\n$gdb_prompt $" {}
- -re "Breakpoint \[0-9\]*: file .*, line $decimal.\r\n$gdb_prompt $" {}
- -re "Breakpoint \[0-9\]* at .*$gdb_prompt $" {}
- -re "Breakpoint \[0-9\]* \\(.*\\) pending.*$gdb_prompt $" {
+ -re "$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"} {
- fail "setting breakpoint at $function"
+ if { $no_message == 0 } {
+ fail "setting breakpoint at $function"
+ }
return 0
}
}
send_gdb "$pending_response\n"
exp_continue
}
- -re "$gdb_prompt $" { fail "setting breakpoint at $function" ; return 0 }
- timeout { fail "setting breakpoint at $function (timeout)" ; return 0 }
+ -re "$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;
}
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
### 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} {
+proc gdb_continue_to_breakpoint {name {location_pattern .*}} {
global gdb_prompt
set full_name "continue to breakpoint: $name"
send_gdb "continue\n"
gdb_expect {
- -re "Breakpoint .* at .*\r\n$gdb_prompt $" {
+ -re "Breakpoint .* (at|in) $location_pattern\r\n$gdb_prompt $" {
pass $full_name
}
-re ".*$gdb_prompt $" {
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 $item
continue
}
fail "$errmsg"
set result -1
}
- -re "EXIT code \[0-9\r\n\]+Program exited normally.*$gdb_prompt $" {
+ -re "Program exited normally.*$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 {
#
proc default_gdb_exit {} {
global GDB
- global GDBFLAGS
+ global INTERNAL_GDBFLAGS GDBFLAGS
global verbose
global gdb_spawn_id;
return;
}
- verbose "Quitting $GDB $GDBFLAGS"
+ verbose "Quitting $GDB $INTERNAL_GDBFLAGS $GDBFLAGS"
if { [is_remote host] && [board_info host exists fileid] } {
send_gdb "quit\n";
proc default_gdb_start { } {
global verbose
global GDB
- global GDBFLAGS
+ global INTERNAL_GDBFLAGS GDBFLAGS
global gdb_prompt
global timeout
global gdb_spawn_id;
+ global env
gdb_stop_suppressing_tests;
- verbose "Spawning $GDB -nw $GDBFLAGS"
+ 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 $GDBFLAGS"
if [info exists gdb_spawn_id] {
return 0;
exit 1
}
}
- set res [remote_spawn host "$GDB -nw $GDBFLAGS [host_info gdb_opts]"];
+ set res [remote_spawn host "$GDB $INTERNAL_GDBFLAGS $GDBFLAGS [host_info gdb_opts]"];
if { $res < 0 || $res == "" } {
perror "Spawning $GDB failed."
return 1;
return 0;
}
+# 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 $src]"
+ } elseif { [regexp {.*: [^\r\n]*compiler not installed[^\r\n]*[\r|\n]*$} $output] } {
+ unsupported "compilation [file tail $src]"
+ } else {
+ verbose -log "compilation failed: $output" 2
+ fail "compilation [file tail $src]"
+ }
+}
+
# Return a 1 for configurations for which we don't even want to try to
# test C++.
return 0
}
+# Return a 1 for configurations for which don't have both C++ and the STL.
+
+proc skip_stl_tests {} {
+ # Symbian supports the C++ language, but the STL is missing
+ # (both headers and libraries).
+ if { [istarget "arm*-*-symbianelf*"] } {
+ return 1
+ }
+
+ return [skip_cplus_tests]
+}
+
# Return a 1 if I don't even want to try to test FORTRAN.
proc skip_fortran_tests {} {
return 0
}
+# Return a 1 if I don't even want to try to test ada.
+
+proc skip_ada_tests {} {
+ return 0
+}
+
+# Return a 1 if I don't even want to try to test java.
+
+proc skip_java_tests {} {
+ return 0
+}
+
+# Return a 1 for configurations that do not support Python scripting.
+
+proc skip_python_tests {} {
+ global gdb_prompt
+ gdb_test_multiple "python print 'test'" "verify python support" {
+ -re "not supported.*$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 $skip_vmx_tests_saved
}
+# Run a test on the target to see if it supports vmx hardware. Return 0 if so,
+# 1 if it does not. Based on 'check_vmx_hw_available' from the GCC testsuite.
+
+proc skip_vsx_tests {} {
+ global skip_vsx_tests_saved
+ global srcdir subdir gdb_prompt
+
+ # Use the cached value, if it exists.
+ set me "skip_vsx_tests"
+ if [info exists skip_vsx_tests_saved] {
+ verbose "$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.
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
+ }
+
+ return 0
+}
+
set compiler_info "unknown"
set gcc_compiled 0
set hp_cc_compiler 0
# Run $ifile through the right preprocessor.
# Toggle gdb.log to keep the compiler output out of the log.
log_file
- set cppout [ gdb_compile "${ifile}" "" preprocess [list "$args" quiet] ]
+ if [is_remote host] {
+ # We have to use -E and -o together, despite the comments
+ # above, because of how DejaGnu handles remote host testing.
+ set ppout "$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.
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.
+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]
# "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-*"] {
} else {
lappend source $shlib_name
}
- if {$shlib_found == 0} {
+ if { $shlib_found == 0 } {
set shlib_found 1
- if { ([test_compiler_info "gcc-*"]
- && ([istarget "powerpc*-*-aix*"]
- || [istarget "rs6000*-*-aix*"] )) } {
- lappend options "additional_flags=-L${outdir}"
- } elseif { [istarget "mips-sgi-irix*"] } {
- lappend options "additional_flags=-rpath ${outdir}"
- }
+ if { ([istarget "*-*-mingw*"]
+ || [istarget *-*-cygwin*]) } {
+ lappend new_options "additional_flags=-Wl,--enable-auto-import"
+ }
}
} elseif { $opt == "shlib_load" } {
- if { ([istarget "*-*-mingw*"]
- || [istarget *-*-cygwin*]
- || [istarget *-*-pe*]
- || [istarget arm*-*-symbianelf*]
- || [istarget hppa*-*-hpux*])} {
- # Do not need anything.
- } elseif { [istarget *-*-openbsd*] } {
- lappend new_options "additional_flags=-Wl,-rpath,${outdir}"
- } else {
- lappend new_options "libs=-ldl"
- lappend new_options "additional_flags=-Wl,-rpath,\\\$ORIGIN"
- }
+ 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 hppa*-*-hpux*])} {
+ # Do not need anything.
+ } elseif { [istarget *-*-openbsd*] } {
+ lappend new_options "additional_flags=-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"
+ }
+ }
set options $new_options
if [target_info exists gdb_stub] {
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 "\[\r\n\]*$" "$result" "" result;
regsub "^\[\r\n\]*" "$result" "" result;
-
- if { $result != "" && [lsearch $options quiet] == -1} {
- 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 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]]
proc gdb_expect { args } {
if { [llength $args] == 2 && [lindex $args 0] != "-re" } {
- set gtimeout [lindex $args 0];
+ set atimeout [lindex $args 0];
set expcode [list [lindex $args 1]];
} else {
- upvar timeout timeout;
-
set expcode $args;
- if [target_info exists gdb,timeout] {
- if [info exists timeout] {
- if { $timeout < [target_info gdb,timeout] } {
- set gtimeout [target_info gdb,timeout];
- } else {
- set gtimeout $timeout;
- }
- } else {
+ }
+
+ upvar timeout timeout;
+
+ if [target_info exists gdb,timeout] {
+ if [info exists timeout] {
+ if { $timeout < [target_info gdb,timeout] } {
set gtimeout [target_info gdb,timeout];
+ } else {
+ set gtimeout $timeout;
}
+ } else {
+ set gtimeout [target_info gdb,timeout];
+ }
+ }
+
+ if ![info exists gtimeout] {
+ global timeout;
+ if [info exists timeout] {
+ set gtimeout $timeout;
}
+ }
+ if [info exists atimeout] {
+ if { ![info exists gtimeout] || $gtimeout < $atimeout } {
+ set gtimeout $atimeout;
+ }
+ } else {
if ![info exists gtimeout] {
- global timeout;
- if [info exists timeout] {
- set gtimeout $timeout;
- } else {
- # Eeeeew.
- set gtimeout 60;
- }
+ # Eeeeew.
+ set gtimeout 60;
}
}
+
global suppress_flag;
global remote_suppress_flag;
if [info exists remote_suppress_flag] {
set loadtimeout 1600
}
send_gdb "load $args\n"
- verbose "Timeout is now $timeout seconds" 2
+ verbose "Timeout is now $loadtimeout seconds" 2
gdb_expect $loadtimeout {
-re "Loading section\[^\r\]*\r\n" {
exp_continue
return -1
}
timeout {
- perror "Timed out trying to load $arg."
+ perror "Timed out trying to load $args."
return -1
}
}
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
# 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 } {
}
}
+# 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];
}
# 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.
return ""
}
set fi [open $tmp]
+ fconfigure $fi -translation binary
# Skip the NOTE header.
read $fi 16
set data [read $fi]
close $fi
file delete $tmp
- if {$data eq ""} {
+ if ![string compare $data ""] then {
return ""
}
# 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 } {
- # First, make sure that we can do this. This is nasty. We need to
- # check for the stabs debug format. To do this we must run gdb on
- # the unstripped executable, list 'main' (as to have a default
- # source file), use get_debug_format (which does 'info source')
- # and then see if the debug info is stabs. If so, we bail out. We
- # cannot do this any other way because get_debug_format finds out
- # the debug format using gdb itself, and in case of stabs we get
- # an error loading the program if it is already stripped. An
- # alternative would be to find out the debug info from the flags
- # passed to dejagnu when the test is run.
-
- gdb_exit
- gdb_start
- gdb_load ${dest}
- gdb_test "list main" "" ""
- get_debug_format
- if { [test_debug_format "stabs"] } then {
- # The separate debug info feature doesn't work well in
- # binutils with stabs. It produces a corrupted debug info
- # only file, and gdb chokes on it. It is almost impossible to
- # capture the failing message out of gdb, because it happens
- # inside gdb_load. At that point any error message is
- # intercepted by dejagnu itself, and, because of the error
- # threshold, any faulty test result is changed into an
- # UNRESOLVED. (see dejagnu/lib/framework.exp)
- unsupported "no separate debug info handling with stabs"
- return -1
- } elseif { [test_debug_format "unknown"] } then {
- # gdb doesn't know what the debug format is. We are out of luck here.
- unsupported "unknown debugging format"
- return -1
- }
- gdb_exit
+ # Use the first separate debug info file location searched by GDB so the
+ # run cannot be broken by some stale file searched with higher precedence.
+ set debug_file "${dest}.debug"
- set 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"
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
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
+}
projects / binutils-gdb.git / blobdiff