X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Ftestsuite%2Flib%2Fgdb.exp;h=8be2a7240a94e0f2d5744933dc1ed8fd25d5cee5;hb=8e1d0c49c139082ac4992a51c87860a805043b5f;hp=047bf504faa5e7b0daa5e3c23ad7da7cd95baf4f;hpb=4c42eaff630026a1c9589e913d072935fed919c1;p=binutils-gdb.git
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index 047bf504faa..8be2a7240a9 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -1,20 +1,18 @@
-# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005
-# 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.
+# along with this program. If not, see .
# This file was written by Fred Fish. (fnf@cygnus.com)
@@ -22,6 +20,12 @@
# 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
@@ -38,12 +42,23 @@ if ![info exists 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
+# 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
@@ -53,17 +68,17 @@ if ![info exists gdb_prompt] then {
# 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.
@@ -81,6 +96,8 @@ if ![info exists env(EXEEXT)] {
set EXEEXT $env(EXEEXT)
}
+set octal "\[0-7\]+"
+
### Only procedures should come after this point.
#
@@ -88,22 +105,16 @@ if ![info exists env(EXEEXT)] {
#
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 $GDBFLAGS\n"
}
}
@@ -198,9 +209,7 @@ proc gdb_run_cmd {args} {
if [target_info exists use_gdb_stub] {
if [target_info exists gdb,do_reload_on_run] {
- # Specifying no file, defaults to the executable
- # currently being debugged.
- if { [gdb_load ""] != 0 } {
+ if { [gdb_reload] != 0 } {
return;
}
send_gdb "continue\n";
@@ -245,7 +254,7 @@ proc gdb_run_cmd {args} {
send_gdb "y\n"
}
-re "The program is not being run.*$gdb_prompt $" {
- if { [gdb_load ""] != 0 } {
+ if { [gdb_reload] != 0 } {
return;
}
send_gdb "jump *$start\n";
@@ -267,23 +276,62 @@ proc gdb_run_cmd {args} {
}
if [target_info exists gdb,do_reload_on_run] {
- if { [gdb_load ""] != 0 } {
+ if { [gdb_reload] != 0 } {
return;
}
}
send_gdb "run $args\n"
# This doesn't work quite right yet.
+# 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: \[^\r\n\]*" {}
+ -notransfer -re "Starting program: \[^\r\n\]*" {
+ return 0
+ }
}
+ return -1
}
# Set a breakpoint at FUNCTION. If there is an additional argument it is
-# a list of options; the only currently supported option is allow-pending.
+# a list of options; the supported options are allow-pending, temporary,
+# and no-message.
proc gdb_breakpoint { function args } {
global gdb_prompt
@@ -294,15 +342,29 @@ proc gdb_breakpoint { function args } {
set pending_response y
}
- send_gdb "break $function\n"
+ 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 $function"
+ }
return 0
}
}
@@ -310,8 +372,18 @@ proc gdb_breakpoint { function args } {
send_gdb "$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;
}
@@ -348,6 +420,10 @@ proc runto { function args } {
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
@@ -383,13 +459,13 @@ proc runto_main { } {
### 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 $" {
@@ -525,12 +601,23 @@ proc gdb_test_multiple { command message user_code } {
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
}
@@ -630,6 +717,9 @@ proc gdb_test_multiple { command message user_code } {
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."
@@ -638,9 +728,6 @@ proc gdb_test_multiple { command message user_code } {
gdb_start
set result -1
}
- }
- append code $processed_code
- append code {
-re "Undefined\[a-z\]* command:.*$gdb_prompt $" {
perror "Undefined command \"$command\"."
fail "$message"
@@ -660,7 +747,7 @@ proc gdb_test_multiple { command message user_code } {
fail "$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 {
@@ -690,10 +777,16 @@ proc gdb_test_multiple { command message user_code } {
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 {
@@ -943,7 +1036,7 @@ proc gdb_reinitialize_dir { subdir } {
#
proc default_gdb_exit {} {
global GDB
- global GDBFLAGS
+ global INTERNAL_GDBFLAGS GDBFLAGS
global verbose
global gdb_spawn_id;
@@ -953,7 +1046,7 @@ proc default_gdb_exit {} {
return;
}
- verbose "Quitting $GDB $GDBFLAGS"
+ verbose "Quitting $GDB $INTERNAL_GDBFLAGS $GDBFLAGS"
if { [is_remote host] && [board_info host exists fileid] } {
send_gdb "quit\n";
@@ -994,6 +1087,9 @@ proc gdb_file_cmd { arg } {
global gdb_prompt
global verbose
global GDB
+ global last_loaded_file
+
+ set last_loaded_file $arg
# Set whether debug info was found.
# Default to "fail".
@@ -1080,14 +1176,30 @@ 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 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 $GDBFLAGS"
if [info exists gdb_spawn_id] {
return 0;
@@ -1099,7 +1211,7 @@ proc default_gdb_start { } {
exit 1
}
}
- set res [remote_spawn host "$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;
@@ -1143,13 +1255,30 @@ proc default_gdb_start { } {
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 $src]"
+ }
+}
+
# Return a 1 for configurations for which we don't even want to try to
# test C++.
proc skip_cplus_tests {} {
- if { [istarget "d10v-*-*"] } {
- return 1
- }
if { [istarget "h8300-*-*"] } {
return 1
}
@@ -1165,12 +1294,74 @@ proc skip_cplus_tests {} {
return 0
}
+# Return a 1 for configurations for which don't have both C++ and the STL.
+
+proc skip_stl_tests {} {
+ # Symbian supports the C++ language, but the STL is missing
+ # (both headers and libraries).
+ if { [istarget "arm*-*-symbianelf*"] } {
+ return 1
+ }
+
+ return [skip_cplus_tests]
+}
+
# Return a 1 if I don't even want to try to test FORTRAN.
proc skip_fortran_tests {} {
return 0
}
+# Return a 1 if I don't even want to try to test ada.
+
+proc skip_ada_tests {} {
+ return 0
+}
+
+# Return a 1 if I don't even want to try to test java.
+
+proc skip_java_tests {} {
+ return 0
+}
+
+# Return a 1 for configurations that do not support Python scripting.
+
+proc skip_python_tests {} {
+ global gdb_prompt
+ gdb_test_multiple "python print 'test'" "verify python support" {
+ -re "not supported.*$gdb_prompt $" {
+ unsupported "Python support is disabled."
+ return 1
+ }
+ -re "$gdb_prompt $" {}
+ }
+
+ return 0
+}
+
+# Return a 1 if we should skip shared library tests.
+
+proc skip_shlib_tests {} {
+ # Run the shared library tests on native systems.
+ if {[isnative]} {
+ return 0
+ }
+
+ # An abbreviated list of remote targets where we should be able to
+ # run shared library tests.
+ if {([istarget *-*-linux*]
+ || [istarget *-*-*bsd*]
+ || [istarget *-*-solaris2*]
+ || [istarget arm*-*-symbianelf*]
+ || [istarget *-*-mingw*]
+ || [istarget *-*-cygwin*]
+ || [istarget *-*-pe*])} {
+ return 0
+ }
+
+ return 1
+}
+
# Run a test on the target to see if it supports vmx hardware. Return 0 if so,
# 1 if it does not. Based on 'check_vmx_hw_available' from the GCC testsuite.
@@ -1188,7 +1379,7 @@ proc skip_altivec_tests {} {
# Some simulators are known to not support VMX instructions.
if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] } {
verbose "$me: target known to not support VMX, returning 1" 2
- return [set $skip_vmx_tests_saved 1]
+ return [set skip_vmx_tests_saved 1]
}
# Make sure we have a compiler that understands altivec.
@@ -1259,6 +1450,92 @@ proc skip_altivec_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.
@@ -1268,6 +1545,37 @@ proc skip_hp_tests {} {
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
@@ -1352,7 +1660,17 @@ proc get_compiler_info {binfile args} {
# 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.
@@ -1424,12 +1742,24 @@ proc test_compiler_info { {compiler ""} } {
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; }
@@ -1444,42 +1774,81 @@ proc gdb_wrapper_init { args } {
}
}
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
- foreach opt $options {
+ # 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"
+ # 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} {
+ if { $shlib_found == 0 } {
set shlib_found 1
- if { ([test_compiler_info "gcc-*"]
- && ([istarget "powerpc*-*-aix*"]
- || [istarget "rs6000*-*-aix*"] )) } {
- lappend options "additional_flags=-L${objdir}/${subdir}"
- } elseif { [istarget "mips-sgi-irix*"] } {
- lappend options "additional_flags=-rpath ${objdir}/${subdir}"
- }
+ 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
}
- }
- set options $new_options
+ }
+
+ # 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 options2 { "additional_flags=-Dusestubs" }
@@ -1518,11 +1887,65 @@ proc gdb_compile {source dest type options} {
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 != "" && [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;
}
@@ -1534,7 +1957,7 @@ proc gdb_compile {source dest type 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]]
@@ -1575,7 +1998,10 @@ proc gdb_compile_shlib {sources dest options} {
}
"gcc-*" {
if { !([istarget "powerpc*-*-aix*"]
- || [istarget "rs6000*-*-aix*"]) } {
+ || [istarget "rs6000*-*-aix*"]
+ || [istarget "*-*-cygwin*"]
+ || [istarget "*-*-mingw*"]
+ || [istarget "*-*-pe*"]) } {
lappend obj_options "additional_flags=-fpic"
}
}
@@ -1613,6 +2039,12 @@ proc gdb_compile_shlib {sources dest options} {
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
@@ -1673,34 +2105,44 @@ proc send_gdb { string } {
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] {
@@ -1889,7 +2331,7 @@ proc gdb_load_cmd { args } {
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
@@ -1912,13 +2354,60 @@ proc gdb_load_cmd { args } {
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.
+# 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 [shlib_target_file $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.
@@ -1927,6 +2416,18 @@ 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
@@ -1935,16 +2436,25 @@ proc gdb_continue { 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.
- set gdb_wrapper_initialized 0
+ if { $gdb_wrapper_target != [current_target_name] } {
+ set gdb_wrapper_initialized 0
+ }
- # Uh, this is lame. Really, really, really lame. But there's this *one*
- # testcase that will fail in random places if we don't increase this.
- match_max -d 20000
+ # 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 } {
@@ -1962,12 +2472,35 @@ proc default_gdb_init { args } {
}
}
+# 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 { } {
- gdb_exit;
+ 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
@@ -2272,12 +2805,36 @@ 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 idebuginfo 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
@@ -2286,40 +2843,53 @@ proc gdb_skip_bogus_test { msg } {
# 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:
- # /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 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]
- return $debug_file
+ 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
+ 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 } {
+proc gdb_gnu_strip_debug { dest args } {
- set debug_file [separate_debug_filename $dest]
- set strip_to_file_program strip
- set objcopy_program objcopy
+ # Use the first separate debug info file location searched by GDB so the
+ # run cannot be broken by some stale file searched with higher precedence.
+ set debug_file "${dest}.debug"
- # 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 strip_to_file_program [transform strip]
+ set objcopy_program [transform objcopy]
set debug_link [file tail $debug_file]
set stripped_file "${dest}.stripped"
@@ -2333,6 +2903,11 @@ proc gdb_gnu_strip_debug { dest } {
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]
@@ -2342,6 +2917,22 @@ proc gdb_gnu_strip_debug { dest } {
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.
@@ -2353,6 +2944,304 @@ proc gdb_gnu_strip_debug { dest } {
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
+# 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
+}