gdb/patches/gdb-6.3-inferior-notification-20050721.patch

   1 2005-07-21  Jeff Johnston  <jjohnstn@redhat.com>
   2
   3         * gdb.base/attach-32.exp: New test for attaching in 32-bit
   4         mode on 64-bit systems.
   5         * gdb.base/attach-32.c: Ditto.
   6         * gdb.base/attach-32b.c: Ditto.
   7
   8 2007-12-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
   9
  10         * gdb.base/attach-32.exp: Fix forgotten $GDBFLAGS as set.
  11
  12 Index: gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.c
  13 ===================================================================
  14 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
  15 +++ gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.c      2011-03-20 20:15:57.000000000 +0100
  16 @@ -0,0 +1,20 @@
  17 +/* This program is intended to be started outside of gdb, and then
  18 +   attached to by gdb.  Thus, it simply spins in a loop.  The loop
  19 +   is exited when & if the variable 'should_exit' is non-zero.  (It
  20 +   is initialized to zero in this program, so the loop will never
  21 +   exit unless/until gdb sets the variable to non-zero.)
  22 +   */
  23 +#include <stdio.h>
  24 +
  25 +int  should_exit = 0;
  26 +
  27 +int main ()
  28 +{
  29 +  int  local_i = 0;
  30 +
  31 +  while (! should_exit)
  32 +    {
  33 +      local_i++;
  34 +    }
  35 +  return 0;
  36 +}
  37 Index: gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.exp
  38 ===================================================================
  39 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
  40 +++ gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.exp    2011-03-20 20:20:03.000000000 +0100
  41 @@ -0,0 +1,245 @@
  42 +# Copyright 2005 Free Software Foundation, Inc.
  43 +
  44 +# This program is free software; you can redistribute it and/or modify
  45 +# it under the terms of the GNU General Public License as published by
  46 +# the Free Software Foundation; either version 2 of the License, or
  47 +# (at your option) any later version.
  48 +#
  49 +# This program is distributed in the hope that it will be useful,
  50 +# but WITHOUT ANY WARRANTY; without even the implied warranty of
  51 +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  52 +# GNU General Public License for more details.
  53 +#
  54 +# You should have received a copy of the GNU General Public License
  55 +# along with this program; if not, write to the Free Software
  56 +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  57 +#
  58 +# This test was based on attach.exp and modified for 32/64 bit Linux systems. */
  59 +
  60 +# On HP-UX 11.0, this test is causing a process running the program
  61 +# "attach" to be left around spinning.  Until we figure out why, I am
  62 +# commenting out the test to avoid polluting tiamat (our 11.0 nightly
  63 +# test machine) with these processes. RT
  64 +#
  65 +# Setting the magic bit in the target app should work.  I added a
  66 +# "kill", and also a test for the R3 register warning.  JB
  67 +if { ![istarget "x86_64*-*linux*"]
  68 +     && ![istarget "powerpc64*-*linux*"]} {
  69 +    return 0
  70 +}
  71 +
  72 +# are we on a target board
  73 +if [is_remote target] then {
  74 +    return 0
  75 +}
  76 +
  77 +set testfile "attach-32"
  78 +set srcfile  ${testfile}.c
  79 +set srcfile2 ${testfile}b.c
  80 +set binfile  ${objdir}/${subdir}/${testfile}
  81 +set binfile2 ${objdir}/${subdir}/${testfile}b
  82 +set escapedbinfile  [string_to_regexp ${objdir}/${subdir}/${testfile}]
  83 +
  84 +#execute_anywhere "rm -f ${binfile} ${binfile2}"
  85 +remote_exec build "rm -f ${binfile} ${binfile2}"
  86 +# For debugging this test
  87 +#
  88 +#log_user 1
  89 +
  90 +# build the first test case
  91 +#
  92 +if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "additional_flags=-m32"]] != "" } {
  93 +    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  94 +}
  95 +
  96 +# Build the in-system-call test
  97 +
  98 +if  { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable [list debug "additional_flags=-m32"]] != "" } {
  99 +    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
 100 +}
 101 +
 102 +if [get_compiler_info ${binfile}] {
 103 +    return -1
 104 +}
 105 +
 106 +proc do_attach_tests {} {
 107 +    global gdb_prompt
 108 +    global binfile
 109 +    global escapedbinfile
 110 +    global srcfile
 111 +    global testfile
 112 +    global objdir
 113 +    global subdir
 114 +    global timeout
 115 +    global testpid
 116 +
 117 +    # Verify that we can "see" the variable "should_exit" in the
 118 +    # program, and that it is zero.
 119 +
 120 +    gdb_test "print should_exit" " = 0" "after attach-32, print should_exit"
 121 +
 122 +    # Verify that we can modify the variable "should_exit" in the
 123 +    # program.
 124 +
 125 +    gdb_test "set should_exit=1" "" "after attach-32, set should_exit"
 126 +
 127 +    # Verify that the modification really happened.
 128 +
 129 +    send_gdb "tbreak 19\n"
 130 +    gdb_expect {
 131 +       -re "reakpoint .*at.*$srcfile, line 19.*$gdb_prompt $" {
 132 +           pass "after attach-32, set tbreak postloop"
 133 +       }
 134 +       -re "$gdb_prompt $" {
 135 +           fail "after attach-32, set tbreak postloop"
 136 +       }
 137 +       timeout {
 138 +           fail "(timeout) after attach-32, set tbreak postloop"
 139 +       }
 140 +    }
 141 +    send_gdb "continue\n"
 142 +    gdb_expect {
 143 +       -re "main.*at.*$srcfile:19.*$gdb_prompt $" {
 144 +           pass "after attach-32, reach tbreak postloop"
 145 +       }
 146 +       -re "$gdb_prompt $" {
 147 +           fail "after attach-32, reach tbreak postloop"
 148 +       }
 149 +       timeout {
 150 +           fail "(timeout) after attach-32, reach tbreak postloop"
 151 +       }
 152 +    }
 153 +
 154 +    # Allow the test process to exit, to cleanup after ourselves.
 155 +
 156 +    gdb_test "continue" {\[Inferior .* exited normally\]} "after attach-32, exit"
 157 +
 158 +    # Make sure we don't leave a process around to confuse
 159 +    # the next test run (and prevent the compile by keeping
 160 +    # the text file busy), in case the "set should_exit" didn't
 161 +    # work.
 162 +
 163 +    remote_exec build "kill -9 ${testpid}"
 164 +
 165 +    # Start the program running and then wait for a bit, to be sure
 166 +    # that it can be attached to.
 167 +
 168 +    set testpid [eval exec $binfile &]
 169 +    exec sleep 2
 170 +    if { [istarget "*-*-cygwin*"] } {
 171 +       # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
 172 +       # different due to the way fork/exec works.
 173 +       set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
 174 +    }
 175 +
 176 +    # Verify that we can attach to the process, and find its a.out
 177 +    # when we're cd'd to some directory that doesn't contain the
 178 +    # a.out.  (We use the source path set by the "dir" command.)
 179 +
 180 +    gdb_test "dir ${objdir}/${subdir}" "Source directories searched: .*" \
 181 +       "set source path"
 182 +
 183 +    gdb_test "cd /tmp" "Working directory /tmp." \
 184 +       "cd away from process working directory"
 185 +
 186 +    # Explicitly flush out any knowledge of the previous attachment.
 187 +
 188 +    set test "before attach-32-3, flush symbols"
 189 +    gdb_test_multiple "symbol" "$test" {
 190 +       -re "Discard symbol table from.*y or n. $" {
 191 +           gdb_test "y" "No symbol file now." \
 192 +               "$test"
 193 +       }
 194 +       -re "No symbol file now.*$gdb_prompt $" {
 195 +           pass "$test"
 196 +       }
 197 +    }
 198 +
 199 +    gdb_test "exec" "No executable file now." \
 200 +       "before attach-32-3, flush exec"
 201 +
 202 +    gdb_test "attach $testpid" \
 203 +       "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*" \
 204 +       "attach-32 when process' a.out not in cwd"
 205 +
 206 +    set test "after attach-32-3, exit"
 207 +    gdb_test_multiple "kill" "$test" {
 208 +       -re "Kill the program being debugged.*y or n. $" {
 209 +           gdb_test "y" "" "$test"
 210 +       }
 211 +    }
 212 +
 213 +    # Another "don't leave a process around"
 214 +    remote_exec build "kill -9 ${testpid}"
 215 +}
 216 +
 217 +proc do_call_attach_tests {} {
 218 +    global gdb_prompt
 219 +    global binfile2
 220 +    global testpid
 221 +
 222 +    # See if other registers are problems
 223 +
 224 +    set test "info other register"
 225 +    gdb_test_multiple "i r r3" "$test" {
 226 +       -re "warning: reading register.*$gdb_prompt $" {
 227 +           fail "$test"
 228 +       }
 229 +       -re "r3.*$gdb_prompt $" {
 230 +           pass "$test"
 231 +       }
 232 +    }
 233 +
 234 +    # Get rid of the process
 235 +
 236 +    gdb_test "p should_exit = 1"
 237 +    gdb_test "c" {\[Inferior .* exited normally\]}
 238 +
 239 +    # Be paranoid
 240 +
 241 +    remote_exec build "kill -9 ${testpid}"
 242 +}
 243 +
 244 +
 245 +# Start with a fresh gdb
 246 +
 247 +gdb_exit
 248 +set testpid [eval exec $binfile &]
 249 +exec sleep 3
 250 +if { [istarget "*-*-cygwin*"] } {
 251 +    # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
 252 +    # different due to the way fork/exec works.
 253 +    set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
 254 +}
 255 +
 256 +set GDBFLAGS_orig $GDBFLAGS
 257 +set GDBFLAGS "--pid=$testpid"
 258 +gdb_start
 259 +set GDBFLAGS $GDBFLAGS_orig
 260 +
 261 +gdb_reinitialize_dir $srcdir/$subdir
 262 +
 263 +# This is a test of gdb's ability to attach to a running process.
 264 +
 265 +do_attach_tests
 266 +
 267 +# Test attaching when the target is inside a system call
 268 +
 269 +gdb_exit
 270 +set testpid [eval exec $binfile2 &]
 271 +exec sleep 3
 272 +if { [istarget "*-*-cygwin*"] } {
 273 +    # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
 274 +    # different due to the way fork/exec works.
 275 +    set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
 276 +}
 277 +
 278 +set GDBFLAGS_orig $GDBFLAGS
 279 +set GDBFLAGS "--pid=$testpid"
 280 +gdb_start
 281 +set GDBFLAGS $GDBFLAGS_orig
 282 +
 283 +gdb_reinitialize_dir $srcdir/$subdir
 284 +do_call_attach_tests
 285 +
 286 +return 0
 287 Index: gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32b.c
 288 ===================================================================
 289 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 290 +++ gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32b.c     2011-03-20 20:15:57.000000000 +0100
 291 @@ -0,0 +1,24 @@
 292 +/* This program is intended to be started outside of gdb, and then
 293 +   attached to by gdb.  Thus, it simply spins in a loop.  The loop
 294 +   is exited when & if the variable 'should_exit' is non-zero.  (It
 295 +   is initialized to zero in this program, so the loop will never
 296 +   exit unless/until gdb sets the variable to non-zero.)
 297 +   */
 298 +#include <stdio.h>
 299 +#include <stdlib.h>
 300 +#include <unistd.h>
 301 +
 302 +int  should_exit = 0;
 303 +
 304 +int main ()
 305 +{
 306 +  int  local_i = 0;
 307 +
 308 +  sleep( 10 ); /* System call causes register fetch to fail */
 309 +               /* This is a known HPUX "feature"            */
 310 +  while (! should_exit)
 311 +    {
 312 +      local_i++;
 313 +    }
 314 +  return (0);
 315 +}