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

   1 #   Copyright 1997, 1998, 1999, 2000, 2004, 2007
   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 2 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, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 # Please email any bugs, comments, and/or additions to this file to:
  19 # bug-gdb@prep.ai.mit.edu
  20
  21 # file to test calls into shared libraries
  22 # the source files for this test are:
  23 #
  24 # shmain.c
  25 # shr1.c (shared lib)
  26 # shr2.c (shared lib)
  27 # ss.h (header for shr2.c)
  28 #
  29 # file written by Elena Zannoni: elz@ch.apollo.com
  30 #
  31
  32 #debug shmain
  33 #prop lib shr1.sl
  34 #prop lib shr2.sl
  35
  36 if $tracelevel then {
  37         strace $tracelevel
  38 }
  39
  40 set prms_id 0
  41 set bug_id 0
  42
  43 if {[skip_shlib_tests]} {
  44     return 0
  45 }
  46
  47 set testfile "shmain"
  48 set libfile1 "shr1"
  49 set libfile2 "shr2"
  50 set srcfile  ${srcdir}/${subdir}/${testfile}.c
  51 set lib1src  ${srcdir}/${subdir}/${libfile1}.c
  52 set lib2src  ${srcdir}/${subdir}/${libfile2}.c
  53 set lib1     ${objdir}/${subdir}/${libfile1}.sl
  54 set lib2     ${objdir}/${subdir}/${libfile2}.sl
  55 set binfile  ${objdir}/${subdir}/${testfile}
  56
  57 set lib_opts "debug"
  58 set exec_opts [list debug shlib=${lib1} shlib=${lib2}]
  59
  60 if [get_compiler_info ${binfile}] {
  61     return -1
  62 }
  63
  64 if { [gdb_compile_shlib ${lib1src} ${lib1} $lib_opts] != ""
  65      || [gdb_compile_shlib ${lib2src} ${lib2} $lib_opts] != ""
  66      || [gdb_compile ${srcfile} ${binfile} executable $exec_opts] != ""} {
  67     untested "Could not compile $lib1, $lib2, or $srcfile."
  68     return -1
  69 }
  70
  71 # Start with a fresh gdb.
  72
  73 gdb_exit
  74 gdb_start
  75 gdb_reinitialize_dir $srcdir/$subdir
  76 gdb_load ${binfile}
  77 gdb_load_shlibs $lib1 $lib2
  78
  79 send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
  80 send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
  81 send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
  82
  83
  84 if ![runto_main] then {
  85         perror "C function calling tests suppressed"
  86 }
  87
  88
  89 #step -over
  90
  91     send_gdb "next\n"
  92     gdb_expect {
  93         -re ".*g = shr1\\(g\\).*$gdb_prompt $" {pass "next to shr1"}
  94         -re ".*$gdb_prompt $" { fail "next to shr1" }
  95         timeout { fail "next to shr1 (timeout)" }
  96     }
  97
  98
  99
 100 #print g
 101
 102 send_gdb "print g\n"
 103 gdb_expect {
 104     -re ".*\[0-9\]* = 1.*$gdb_prompt $" {
 105         pass "print g"
 106       }
 107     -re ".*$gdb_prompt $" { fail "print  g" }
 108     timeout           { fail "(timeout) print g" }
 109   }
 110
 111
 112 #step -over
 113   if ![gdb_skip_stdio_test "next over shr1"] {
 114       send_gdb "next\n"
 115       gdb_expect {
 116           -re ".*address of sgs is $hex.*g = shr2\\(g\\).*$gdb_prompt $" {
 117               pass "next over shr1"
 118           }
 119           -re ".*$gdb_prompt $" { fail "next over shr1" }
 120           timeout { fail "next over shr1 (timeout)" }
 121       }
 122   } else {
 123       gdb_test "next" "" ""
 124   }
 125
 126
 127 #print g
 128 send_gdb "print g\n"
 129 gdb_expect {
 130     -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
 131         pass "print g" }
 132     -re ".*$gdb_prompt $" { fail "print  g" }
 133     timeout           { fail "(timeout) print g" }
 134   }
 135
 136 #print shr1(1)
 137   if ![gdb_skip_stdio_test "print shr1(1)"] {
 138       send_gdb "print shr1(1)\n"
 139       gdb_expect {
 140           -re ".*address of sgs is $hex.*\[0-9\]* = 2.*$gdb_prompt $" {
 141               pass "print shr1(1)"
 142           }
 143           -re ".*$gdb_prompt $" { fail "print shr1(1)" }
 144           timeout               { fail "(timeout) print shr1(1)" }
 145       }
 146   }
 147
 148 #print shr1(g)
 149   if ![gdb_skip_stdio_test "print shr1(g)"] {
 150       send_gdb "print shr1(g)\n"
 151       gdb_expect {
 152           -re ".*address of sgs is $hex.*\[0-9\]* = 4.*$gdb_prompt $" {
 153               pass "print shr1(g)"
 154           }
 155           -re ".*$gdb_prompt $" { fail "print shr1(g)" }
 156           timeout               { fail "(timeout) print shr1(g)" }
 157       }
 158   }
 159
 160 #break shr2
 161 #go
 162 gdb_test "break shr2" \
 163     "Breakpoint.*file.*shr2.c, line.*" \
 164     "breakpoint function shr2"
 165
 166 gdb_test "continue" \
 167         "Continuing\\..*Breakpoint \[0-9\]+, shr2 \\(.*\\) at.*shr2\\.c:7.*7.*return 2.x;" \
 168         "run until breakpoint set at a function"
 169
 170
 171 #print shr1(1)
 172 if ![gdb_skip_stdio_test "print shr1(1) 2nd time"] {
 173     send_gdb "print shr1(1)\n"
 174     gdb_expect {
 175         -re ".*address of sgs is $hex.*\[0-9\]* = 2.*$gdb_prompt $" {
 176             pass "print shr1(1) 2nd time"
 177         }
 178         -re ".*$gdb_prompt $" { fail "print shr1(1) 2nd time" }
 179         timeout               { fail "(timeout) print shr1(1) 2nd time" }
 180     }
 181 }
 182
 183 #print mainshr1(1)
 184 send_gdb "print mainshr1(1)\n"
 185 gdb_expect {
 186     -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
 187         pass "print mainshr1(1) from shlib func"
 188       }
 189     -re ".*$gdb_prompt $" { fail "print  mainshr1(1) from shlib func" }
 190     timeout           { fail "(timeout) print mainshr1(1) from shlib func" }
 191   }
 192
 193 #step -return
 194     send_gdb "step\n"
 195     # A step at this point will either take us entirely out of
 196     # the function or into the function's epilogue.  The exact
 197     # behavior will differ depending upon upon whether or not
 198     # the compiler emits line number information for the epilogue.
 199     gdb_expect {
 200         -re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" {
 201             pass "step out of shr2 to main"
 202         }
 203         -re ".*\\\}.*$gdb_prompt $" {
 204             pass "step out of shr2 to main (stopped in shr2 epilogue)"
 205             send_gdb "step\n"
 206             gdb_expect {
 207                 -re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" { pass "step out of shr2 epilogue to main"}
 208                 -re ".*$gdb_prompt $" { fail "step out of shr2 epilogue to main" }
 209                 timeout { fail "step out of shr2 epilogue to main (timeout)" }
 210             }
 211         }
 212         -re ".*$gdb_prompt $" { fail "step out of shr2" }
 213         timeout { fail "step out of shr2 to main (timeout)" }
 214     }
 215
 216
 217 #print mainshr1(1)
 218 send_gdb "print mainshr1(1)\n"
 219 gdb_expect {
 220     -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
 221         pass "print mainshr1(1)"
 222       }
 223     -re ".*$gdb_prompt $" { fail "print  mainshr1(1) from main" }
 224     timeout           { fail "(timeout) print mainshr1(1) from main" }
 225   }
 226
 227 #step
 228     send_gdb "step\n"
 229     gdb_expect {
 230         -re ".*mainshr1 \\(g=4\\) at.*return 2.g;.*$gdb_prompt $" { pass "step into mainshr1"}
 231         -re ".*$gdb_prompt $" { fail "step into mainshr1" }
 232         timeout { fail "step into mainshr1 (timeout)" }
 233     }
 234
 235 # Start with a fresh gdb.
 236
 237 gdb_exit
 238 gdb_start
 239 gdb_reinitialize_dir $srcdir/$subdir
 240 gdb_load ${binfile}
 241 send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
 242 send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
 243 send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
 244
 245 # PR's 16495, 18213
 246 # test that we can re-set breakpoints in shared libraries
 247 gdb_breakpoint "shr1" "allow-pending"
 248
 249 # FIXME: should not send "run" explicitly.  Non-portable.
 250
 251 if ![is_remote target] {
 252   gdb_test "run" "Starting program:.*Breakpoint .,.*" \
 253         "run to bp in shared library"
 254
 255   gdb_test "cont" ".*Program exited normally..*"
 256
 257   gdb_test "run" "Starting program:.*Breakpoint .,.*" \
 258         "re-run to bp in shared library (PR's 16495, 18213)"
 259
 260   gdb_test "cont" ".*Program exited normally..*"
 261 }
 262
 263 return 0