gdb/testsuite/gdb.base/shlib-call.exp

   1 #   Copyright 1997, 1998, 1999, 2000, 2004, 2007, 2008, 2009, 2010
   2 #   Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # file to test calls into shared libraries
  18 # the source files for this test are:
  19 #
  20 # shmain.c
  21 # shr1.c (shared lib)
  22 # shr2.c (shared lib)
  23 # ss.h (header for shr2.c)
  24 #
  25 # file written by Elena Zannoni: elz@ch.apollo.com
  26 #
  27
  28 #debug shmain
  29 #prop lib shr1.sl
  30 #prop lib shr2.sl
  31
  32 if $tracelevel then {
  33         strace $tracelevel
  34 }
  35
  36 set prms_id 0
  37 set bug_id 0
  38
  39 if {[skip_shlib_tests]} {
  40     return 0
  41 }
  42
  43 set testfile "shmain"
  44 set libfile1 "shr1"
  45 set libfile2 "shr2"
  46 set srcfile  ${srcdir}/${subdir}/${testfile}.c
  47 set lib1src  ${srcdir}/${subdir}/${libfile1}.c
  48 set lib2src  ${srcdir}/${subdir}/${libfile2}.c
  49 set lib1     ${objdir}/${subdir}/${libfile1}.sl
  50 set lib2     ${objdir}/${subdir}/${libfile2}.sl
  51 set binfile  ${objdir}/${subdir}/${testfile}
  52
  53 set lib_opts "debug"
  54 set exec_opts [list debug shlib=${lib1} shlib=${lib2}]
  55
  56 if [get_compiler_info ${binfile}] {
  57     return -1
  58 }
  59
  60 if { [gdb_compile_shlib ${lib1src} ${lib1} $lib_opts] != ""
  61      || [gdb_compile_shlib ${lib2src} ${lib2} $lib_opts] != ""
  62      || [gdb_compile ${srcfile} ${binfile} executable $exec_opts] != ""} {
  63     untested "Could not compile $lib1, $lib2, or $srcfile."
  64     return -1
  65 }
  66
  67 # Start with a fresh gdb.
  68
  69 gdb_exit
  70 gdb_start
  71 gdb_reinitialize_dir $srcdir/$subdir
  72 gdb_load ${binfile}
  73 gdb_load_shlibs $lib1 $lib2
  74
  75 send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
  76 send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
  77 send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
  78
  79
  80 if ![runto_main] then {
  81         perror "C function calling tests suppressed"
  82 }
  83
  84
  85 #step -over
  86
  87     send_gdb "next\n"
  88     gdb_expect {
  89         -re ".*g = shr1\\(g\\).*$gdb_prompt $" {pass "next to shr1"}
  90         -re ".*$gdb_prompt $" { fail "next to shr1" }
  91         timeout { fail "next to shr1 (timeout)" }
  92     }
  93
  94
  95
  96 #print g
  97
  98 send_gdb "print g\n"
  99 gdb_expect {
 100     -re ".*\[0-9\]* = 1.*$gdb_prompt $" {
 101         pass "print g"
 102       }
 103     -re ".*$gdb_prompt $" { fail "print  g" }
 104     timeout           { fail "(timeout) print g" }
 105   }
 106
 107
 108 #step -over
 109   if ![gdb_skip_stdio_test "next over shr1"] {
 110       send_gdb "next\n"
 111       gdb_expect {
 112           -re ".*address of sgs is $hex.*g = shr2\\(g\\).*$gdb_prompt $" {
 113               pass "next over shr1"
 114           }
 115           -re ".*$gdb_prompt $" { fail "next over shr1" }
 116           timeout { fail "next over shr1 (timeout)" }
 117       }
 118   } else {
 119       gdb_test "next" "" ""
 120   }
 121
 122
 123 #print g
 124 send_gdb "print g\n"
 125 gdb_expect {
 126     -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
 127         pass "print g" }
 128     -re ".*$gdb_prompt $" { fail "print  g" }
 129     timeout           { fail "(timeout) print g" }
 130   }
 131
 132 #print shr1(1)
 133   if ![gdb_skip_stdio_test "print shr1(1)"] {
 134       send_gdb "print shr1(1)\n"
 135       gdb_expect {
 136           -re ".*address of sgs is $hex.*\[0-9\]* = 2.*$gdb_prompt $" {
 137               pass "print shr1(1)"
 138           }
 139           -re ".*$gdb_prompt $" { fail "print shr1(1)" }
 140           timeout               { fail "(timeout) print shr1(1)" }
 141       }
 142   }
 143
 144 #print shr1(g)
 145   if ![gdb_skip_stdio_test "print shr1(g)"] {
 146       send_gdb "print shr1(g)\n"
 147       gdb_expect {
 148           -re ".*address of sgs is $hex.*\[0-9\]* = 4.*$gdb_prompt $" {
 149               pass "print shr1(g)"
 150           }
 151           -re ".*$gdb_prompt $" { fail "print shr1(g)" }
 152           timeout               { fail "(timeout) print shr1(g)" }
 153       }
 154   }
 155
 156 #break shr2
 157 #go
 158 gdb_test "break shr2" \
 159     "Breakpoint.*file.*shr2.c, line.*" \
 160     "breakpoint function shr2"
 161
 162 gdb_test "continue" \
 163         "Continuing\\..*Breakpoint \[0-9\]+, shr2 \\(.*\\) at.*shr2\\.c:7.*7.*return 2.x;" \
 164         "run until breakpoint set at a function"
 165
 166
 167 #print shr1(1)
 168 if ![gdb_skip_stdio_test "print shr1(1) 2nd time"] {
 169     send_gdb "print shr1(1)\n"
 170     gdb_expect {
 171         -re ".*address of sgs is $hex.*\[0-9\]* = 2.*$gdb_prompt $" {
 172             pass "print shr1(1) 2nd time"
 173         }
 174         -re ".*$gdb_prompt $" { fail "print shr1(1) 2nd time" }
 175         timeout               { fail "(timeout) print shr1(1) 2nd time" }
 176     }
 177 }
 178
 179 #print mainshr1(1)
 180 send_gdb "print mainshr1(1)\n"
 181 gdb_expect {
 182     -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
 183         pass "print mainshr1(1) from shlib func"
 184       }
 185     -re ".*$gdb_prompt $" { fail "print  mainshr1(1) from shlib func" }
 186     timeout           { fail "(timeout) print mainshr1(1) from shlib func" }
 187   }
 188
 189 #step -return
 190     send_gdb "step\n"
 191     # A step at this point will either take us entirely out of
 192     # the function or into the function's epilogue.  The exact
 193     # behavior will differ depending upon upon whether or not
 194     # the compiler emits line number information for the epilogue.
 195     gdb_expect {
 196         -re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" {
 197             pass "step out of shr2 to main"
 198         }
 199         -re ".*\\\}.*$gdb_prompt $" {
 200             pass "step out of shr2 to main (stopped in shr2 epilogue)"
 201             send_gdb "step\n"
 202             gdb_expect {
 203                 -re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" { pass "step out of shr2 epilogue to main"}
 204                 -re ".*$gdb_prompt $" { fail "step out of shr2 epilogue to main" }
 205                 timeout { fail "step out of shr2 epilogue to main (timeout)" }
 206             }
 207         }
 208         -re ".*$gdb_prompt $" { fail "step out of shr2" }
 209         timeout { fail "step out of shr2 to main (timeout)" }
 210     }
 211
 212
 213 #print mainshr1(1)
 214 send_gdb "print mainshr1(1)\n"
 215 gdb_expect {
 216     -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
 217         pass "print mainshr1(1)"
 218       }
 219     -re ".*$gdb_prompt $" { fail "print  mainshr1(1) from main" }
 220     timeout           { fail "(timeout) print mainshr1(1) from main" }
 221   }
 222
 223 #step
 224     send_gdb "step\n"
 225     gdb_expect {
 226         -re ".*mainshr1 \\(g=4\\) at.*return 2.g;.*$gdb_prompt $" { pass "step into mainshr1"}
 227         -re ".*$gdb_prompt $" { fail "step into mainshr1" }
 228         timeout { fail "step into mainshr1 (timeout)" }
 229     }
 230
 231 # Start with a fresh gdb.
 232
 233 gdb_exit
 234 gdb_start
 235 gdb_reinitialize_dir $srcdir/$subdir
 236 gdb_load ${binfile}
 237 send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
 238 send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
 239 send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
 240
 241 # PR's 16495, 18213
 242 # test that we can re-set breakpoints in shared libraries
 243 gdb_breakpoint "shr1" "allow-pending"
 244
 245 # FIXME: should not send "run" explicitly.  Non-portable.
 246
 247 if ![is_remote target] {
 248   gdb_test "run" "Starting program:.*Breakpoint .,.*" \
 249         "run to bp in shared library"
 250
 251   gdb_test "cont" ".*Program exited normally..*"
 252
 253   gdb_test "run" "Starting program:.*Breakpoint .,.*" \
 254         "re-run to bp in shared library (PR's 16495, 18213)"
 255
 256   gdb_test "cont" ".*Program exited normally..*"
 257 }
 258
 259 return 0