2005-07-21  Jeff Johnston  <jjohnstn@redhat.com>

	* gdb.base/attach-32.exp: New test for attaching in 32-bit

	mode on 64-bit systems.

	* gdb.base/attach-32.c: Ditto.

	* gdb.base/attach-32b.c: Ditto.

2007-12-26  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* gdb.base/attach-32.exp: Fix forgotten $GDBFLAGS as set.

Index: gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.c

===================================================================

--- /dev/null	1970-01-01 00:00:00.000000000 +0000

+++ gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.c	2011-03-20 20:15:57.000000000 +0100

@@ -0,0 +1,20 @@

+/* This program is intended to be started outside of gdb, and then

+   attached to by gdb.  Thus, it simply spins in a loop.  The loop

+   is exited when & if the variable 'should_exit' is non-zero.  (It

+   is initialized to zero in this program, so the loop will never

+   exit unless/until gdb sets the variable to non-zero.)

+   */

+#include <stdio.h>

+

+int  should_exit = 0;

+

+int main ()

+{

+  int  local_i = 0;

+

+  while (! should_exit)

+    {

+      local_i++;

+    }

+  return 0;

+}

Index: gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.exp

===================================================================

--- /dev/null	1970-01-01 00:00:00.000000000 +0000

+++ gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.exp	2011-03-20 20:20:03.000000000 +0100

@@ -0,0 +1,245 @@

+# Copyright 2005 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

+# (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.

+#

+# This test was based on attach.exp and modified for 32/64 bit Linux systems. */

+

+# On HP-UX 11.0, this test is causing a process running the program

+# "attach" to be left around spinning.  Until we figure out why, I am

+# commenting out the test to avoid polluting tiamat (our 11.0 nightly

+# test machine) with these processes. RT

+#

+# Setting the magic bit in the target app should work.  I added a

+# "kill", and also a test for the R3 register warning.  JB

+if { ![istarget "x86_64*-*linux*"] 

+     && ![istarget "powerpc64*-*linux*"]} {

+    return 0

+}

+

+# are we on a target board

+if [is_remote target] then {

+    return 0

+}

+

+set testfile "attach-32"

+set srcfile  ${testfile}.c

+set srcfile2 ${testfile}b.c

+set binfile  ${objdir}/${subdir}/${testfile}

+set binfile2 ${objdir}/${subdir}/${testfile}b

+set escapedbinfile  [string_to_regexp ${objdir}/${subdir}/${testfile}]

+

+#execute_anywhere "rm -f ${binfile} ${binfile2}"

+remote_exec build "rm -f ${binfile} ${binfile2}"

+# For debugging this test

+#

+#log_user 1

+

+# build the first test case

+#

+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "additional_flags=-m32"]] != "" } {

+    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."

+}

+

+# Build the in-system-call test

+

+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable [list debug "additional_flags=-m32"]] != "" } {

+    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."

+}

+

+if [get_compiler_info ${binfile}] {

+    return -1

+}

+

+proc do_attach_tests {} {

+    global gdb_prompt

+    global binfile

+    global escapedbinfile

+    global srcfile

+    global testfile

+    global objdir

+    global subdir

+    global timeout

+    global testpid

+    

+    # Verify that we can "see" the variable "should_exit" in the

+    # program, and that it is zero.

+   

+    gdb_test "print should_exit" " = 0" "after attach-32, print should_exit"

+

+    # Verify that we can modify the variable "should_exit" in the

+    # program.

+

+    gdb_test "set should_exit=1" "" "after attach-32, set should_exit"

+

+    # Verify that the modification really happened.

+

+    send_gdb "tbreak 19\n"

+    gdb_expect {

+	-re "reakpoint .*at.*$srcfile, line 19.*$gdb_prompt $" {

+	    pass "after attach-32, set tbreak postloop"

+	}

+	-re "$gdb_prompt $" {

+	    fail "after attach-32, set tbreak postloop"

+	}

+	timeout {

+	    fail "(timeout) after attach-32, set tbreak postloop"

+	}

+    }

+    send_gdb "continue\n"

+    gdb_expect {

+	-re "main.*at.*$srcfile:19.*$gdb_prompt $" {

+	    pass "after attach-32, reach tbreak postloop"

+	}

+	-re "$gdb_prompt $" {

+	    fail "after attach-32, reach tbreak postloop"

+	}

+	timeout {

+	    fail "(timeout) after attach-32, reach tbreak postloop"

+	}

+    }

+

+    # Allow the test process to exit, to cleanup after ourselves.

+

+    gdb_test "continue" {\[Inferior .* exited normally\]} "after attach-32, exit"

+

+    # Make sure we don't leave a process around to confuse

+    # the next test run (and prevent the compile by keeping

+    # the text file busy), in case the "set should_exit" didn't

+    # work.

+   

+    remote_exec build "kill -9 ${testpid}"

+

+    # Start the program running and then wait for a bit, to be sure

+    # that it can be attached to.

+   

+    set testpid [eval exec $binfile &]

+    exec sleep 2

+    if { [istarget "*-*-cygwin*"] } {

+	# testpid is the Cygwin PID, GDB uses the Windows PID, which might be

+	# different due to the way fork/exec works.

+	set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]

+    }

+

+    # Verify that we can attach to the process, and find its a.out

+    # when we're cd'd to some directory that doesn't contain the

+    # a.out.  (We use the source path set by the "dir" command.)

+    

+    gdb_test "dir ${objdir}/${subdir}" "Source directories searched: .*" \

+	"set source path"

+

+    gdb_test "cd /tmp" "Working directory /tmp." \

+	"cd away from process working directory"

+

+    # Explicitly flush out any knowledge of the previous attachment.

+

+    set test "before attach-32-3, flush symbols"

+    gdb_test_multiple "symbol" "$test" {

+	-re "Discard symbol table from.*y or n. $" {

+	    gdb_test "y" "No symbol file now." \

+		"$test"

+	}

+	-re "No symbol file now.*$gdb_prompt $" {

+	    pass "$test"

+	}

+    }

+

+    gdb_test "exec" "No executable file now." \

+	"before attach-32-3, flush exec"

+

+    gdb_test "attach $testpid" \

+	"Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*" \

+	"attach-32 when process' a.out not in cwd"

+

+    set test "after attach-32-3, exit"

+    gdb_test_multiple "kill" "$test" {

+	-re "Kill the program being debugged.*y or n. $" {

+	    gdb_test "y" "" "$test"

+	}

+    }

+    

+    # Another "don't leave a process around"

+    remote_exec build "kill -9 ${testpid}"

+}

+

+proc do_call_attach_tests {} {

+    global gdb_prompt

+    global binfile2

+    global testpid

+    

+    # See if other registers are problems

+    

+    set test "info other register"

+    gdb_test_multiple "i r r3" "$test" {

+	-re "warning: reading register.*$gdb_prompt $" {

+	    fail "$test"

+	}

+	-re "r3.*$gdb_prompt $" {

+	    pass "$test"

+	}

+    }

+

+    # Get rid of the process

+    

+    gdb_test "p should_exit = 1"

+    gdb_test "c" {\[Inferior .* exited normally\]}

+   

+    # Be paranoid

+   

+    remote_exec build "kill -9 ${testpid}"

+}

+

+

+# Start with a fresh gdb

+

+gdb_exit

+set testpid [eval exec $binfile &]

+exec sleep 3

+if { [istarget "*-*-cygwin*"] } {

+    # testpid is the Cygwin PID, GDB uses the Windows PID, which might be

+    # different due to the way fork/exec works.

+    set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]

+}

+

+set GDBFLAGS_orig $GDBFLAGS

+set GDBFLAGS "--pid=$testpid"

+gdb_start

+set GDBFLAGS $GDBFLAGS_orig

+

+gdb_reinitialize_dir $srcdir/$subdir

+

+# This is a test of gdb's ability to attach to a running process.

+

+do_attach_tests

+

+# Test attaching when the target is inside a system call

+

+gdb_exit

+set testpid [eval exec $binfile2 &]

+exec sleep 3

+if { [istarget "*-*-cygwin*"] } {

+    # testpid is the Cygwin PID, GDB uses the Windows PID, which might be

+    # different due to the way fork/exec works.

+    set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]

+}

+

+set GDBFLAGS_orig $GDBFLAGS

+set GDBFLAGS "--pid=$testpid"

+gdb_start

+set GDBFLAGS $GDBFLAGS_orig

+

+gdb_reinitialize_dir $srcdir/$subdir

+do_call_attach_tests

+

+return 0

Index: gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32b.c

===================================================================

--- /dev/null	1970-01-01 00:00:00.000000000 +0000

+++ gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32b.c	2011-03-20 20:15:57.000000000 +0100

@@ -0,0 +1,24 @@

+/* This program is intended to be started outside of gdb, and then

+   attached to by gdb.  Thus, it simply spins in a loop.  The loop

+   is exited when & if the variable 'should_exit' is non-zero.  (It

+   is initialized to zero in this program, so the loop will never

+   exit unless/until gdb sets the variable to non-zero.)

+   */

+#include <stdio.h>

+#include <stdlib.h>

+#include <unistd.h>

+

+int  should_exit = 0;

+

+int main ()

+{

+  int  local_i = 0;

+

+  sleep( 10 ); /* System call causes register fetch to fail */

+               /* This is a known HPUX "feature"            */

+  while (! should_exit)

+    {

+      local_i++;

+    }

+  return (0);

+}