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

   1 #   Copyright 1997, 1998, 1999, 2000, 2004 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # file to test calls into shared libraries
  21 # the source files for this test are:
  22 #
  23 # shmain.c
  24 # shr1.c (shared lib)
  25 # shr2.c (shared lib)
  26 # ss.h (header for shr2.c)
  27 #
  28 # file written by Elena Zannoni: elz@ch.apollo.com
  29 #
  30
  31 #debug shmain
  32 #prop lib shr1.sl
  33 #prop lib shr2.sl
  34
  35 if $tracelevel then {
  36         strace $tracelevel
  37 }
  38
  39 set prms_id 0
  40 set bug_id 0
  41
  42 # are we on a target board?
  43 if ![isnative] then {
  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 ${binfile}
  77 send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
  78 send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
  79 send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
  80
  81
  82 if ![runto_main] then {
  83         perror "C function calling tests suppressed"
  84 }
  85
  86
  87 #step -over
  88
  89     send_gdb "next\n"
  90     gdb_expect {
  91         -re ".*g = shr1\\(g\\).*$gdb_prompt $" {pass "next to shr1"}
  92         -re ".*$gdb_prompt $" { fail "next to shr1" }
  93         timeout { fail "next to shr1 (timeout)" }
  94     }
  95
  96
  97
  98 #print g
  99
 100 send_gdb "print g\n"
 101 gdb_expect {
 102     -re ".*\[0-9\]* = 1.*$gdb_prompt $" {
 103         pass "print g"
 104       }
 105     -re ".*$gdb_prompt $" { fail "print  g" }
 106     timeout           { fail "(timeout) print g" }
 107   }
 108
 109
 110 #step -over
 111   if ![gdb_skip_stdio_test "next over shr1"] {
 112       send_gdb "next\n"
 113       gdb_expect {
 114           -re ".*address of sgs is $hex.*g = shr2\\(g\\).*$gdb_prompt $" {
 115               pass "next over shr1"
 116           }
 117           -re ".*$gdb_prompt $" { fail "next over shr1" }
 118           timeout { fail "next over shr1 (timeout)" }
 119       }
 120   } else {
 121       gdb_test "next" "" ""
 122   }
 123
 124
 125 #print g
 126 send_gdb "print g\n"
 127 gdb_expect {
 128     -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
 129         pass "print g" }
 130     -re ".*$gdb_prompt $" { fail "print  g" }
 131     timeout           { fail "(timeout) print g" }
 132   }
 133
 134 #print shr1(1)
 135   if ![gdb_skip_stdio_test "print shr1(1)"] {
 136       send_gdb "print shr1(1)\n"
 137       gdb_expect {
 138           -re ".*address of sgs is $hex.*\[0-9\]* = 2.*$gdb_prompt $" {
 139               pass "print shr1(1)"
 140           }
 141           -re ".*$gdb_prompt $" { fail "print shr1(1)" }
 142           timeout               { fail "(timeout) print shr1(1)" }
 143       }
 144   }
 145
 146 #print shr1(g)
 147   if ![gdb_skip_stdio_test "print shr1(g)"] {
 148       send_gdb "print shr1(g)\n"
 149       gdb_expect {
 150           -re ".*address of sgs is $hex.*\[0-9\]* = 4.*$gdb_prompt $" {
 151               pass "print shr1(g)"
 152           }
 153           -re ".*$gdb_prompt $" { fail "print shr1(g)" }
 154           timeout               { fail "(timeout) print shr1(g)" }
 155       }
 156   }
 157
 158 #break shr2
 159 #go
 160 gdb_test "break shr2" \
 161     "Breakpoint.*file.*shr2.c, line.*" \
 162     "breakpoint function shr2"
 163
 164 gdb_test "continue" \
 165         "Continuing\\..*Breakpoint \[0-9\]+, shr2 \\(.*\\) at.*shr2\\.c:7.*7.*return 2.x;" \
 166         "run until breakpoint set at a function"
 167
 168
 169 #print shr1(1)
 170 if ![gdb_skip_stdio_test "print shr1(1) 2nd time"] {
 171     send_gdb "print shr1(1)\n"
 172     gdb_expect {
 173         -re ".*address of sgs is $hex.*\[0-9\]* = 2.*$gdb_prompt $" {
 174             pass "print shr1(1) 2nd time"
 175         }
 176         -re ".*$gdb_prompt $" { fail "print shr1(1) 2nd time" }
 177         timeout               { fail "(timeout) print shr1(1) 2nd time" }
 178     }
 179 }
 180
 181 #print mainshr1(1)
 182 send_gdb "print mainshr1(1)\n"
 183 gdb_expect {
 184     -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
 185         pass "print mainshr1(1) from shlib func"
 186       }
 187     -re ".*$gdb_prompt $" { fail "print  mainshr1(1) from shlib func" }
 188     timeout           { fail "(timeout) print mainshr1(1) from shlib func" }
 189   }
 190
 191 #step -return
 192     send_gdb "step\n"
 193     # A step at this point will either take us entirely out of
 194     # the function or into the function's epilogue.  The exact
 195     # behavior will differ depending upon upon whether or not
 196     # the compiler emits line number information for the epilogue.
 197     gdb_expect {
 198         -re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" {
 199             pass "step out of shr2 to main"
 200         }
 201         -re ".*\\\}.*$gdb_prompt $" {
 202             pass "step out of shr2 to main (stopped in shr2 epilogue)"
 203             send_gdb "step\n"
 204             gdb_expect {
 205                 -re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" { pass "step out of shr2 epilogue to main"}
 206                 -re ".*$gdb_prompt $" { fail "step out of shr2 epilogue to main" }
 207                 timeout { fail "step out of shr2 epilogue to main (timeout)" }
 208             }
 209         }
 210         -re ".*$gdb_prompt $" { fail "step out of shr2" }
 211         timeout { fail "step out of shr2 to main (timeout)" }
 212     }
 213
 214
 215 #print mainshr1(1)
 216 send_gdb "print mainshr1(1)\n"
 217 gdb_expect {
 218     -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
 219         pass "print mainshr1(1)"
 220       }
 221     -re ".*$gdb_prompt $" { fail "print  mainshr1(1) from main" }
 222     timeout           { fail "(timeout) print mainshr1(1) from main" }
 223   }
 224
 225 #step
 226     send_gdb "step\n"
 227     gdb_expect {
 228         -re ".*mainshr1 \\(g=4\\) at.*return 2.g;.*$gdb_prompt $" { pass "step into mainshr1"}
 229         -re ".*$gdb_prompt $" { fail "step into mainshr1" }
 230         timeout { fail "step into mainshr1 (timeout)" }
 231     }
 232
 233 # Start with a fresh gdb.
 234
 235 gdb_exit
 236 gdb_start
 237 gdb_reinitialize_dir $srcdir/$subdir
 238 gdb_load ${binfile}
 239 send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
 240 send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
 241 send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
 242
 243 # PR's 16495, 18213
 244 # test that we can re-set breakpoints in shared libraries
 245 gdb_breakpoint "shr1" "allow-pending"
 246
 247 # FIXME: should not send "run" explicitly.  Non-portable.
 248
 249 if ![is_remote target] {
 250   gdb_test "run" "Starting program:.*Breakpoint .,.*" \
 251         "run to bp in shared library"
 252
 253   gdb_test "cont" ".*Program exited normally..*"
 254
 255   gdb_test "run" "Starting program:.*Breakpoint .,.*" \
 256         "re-run to bp in shared library (PR's 16495, 18213)"
 257
 258   gdb_test "cont" ".*Program exited normally..*"
 259 }
 260
 261 return 0