gdb/testsuite/gdb.cp/cp-relocate.exp

   1 # Copyright 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>.  */
  15
  16 # Test loading symbols from unrelocated C++ object files.
  17
  18 set testfile cp-relocate
  19 set srcfile ${testfile}.cc
  20 set binfile ${objdir}/${subdir}/${testfile}.o
  21
  22 if { [skip_cplus_tests] } { continue }
  23
  24 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" object {c++ debug}] != "" } {
  25      untested cp-relocate.exp
  26      return -1
  27 }
  28
  29 proc get_func_address { func } {
  30     global gdb_prompt hex
  31
  32     set rfunc [string_to_regexp $func]
  33     gdb_test_multiple "print '${func}'" "get address of ${func}" {
  34         -re "\\\$\[0-9\]+ = \\{.*\\} (0|($hex) <${rfunc}>)\[\r\n\]+${gdb_prompt} $" {
  35             # $1 = {int ()} 0x24 <function_bar>
  36             # But if the function is at zero, the name may be omitted.
  37             pass "get address of ${func}"
  38             if { $expect_out(1,string) == "0" } {
  39                 return "0x0"
  40             } else {
  41                 return $expect_out(2,string)
  42             }
  43         }
  44     }
  45   return ""
  46 }
  47
  48 # Load the file as an executable; GDB should assign non-overlapping
  49 # section offsets.
  50 gdb_exit
  51 gdb_start
  52 gdb_reinitialize_dir $srcdir/$subdir
  53 gdb_file_cmd ${binfile}
  54
  55 # Find the interesting functions.  We go to a little effort to find
  56 # the right function names here, to work around PR c++/40.
  57 set func1_name ""
  58 set func2_name ""
  59 gdb_test_multiple "info functions func<.>" "info functions" {
  60     -re "\r\nint (\[^\r\]*func<1>\[^\r]*);" {
  61         set func1_name $expect_out(1,string)
  62         exp_continue
  63     }
  64     -re "\r\nint (\[^\r\]*func<2>\[^\r]*);" {
  65         set func2_name $expect_out(1,string)
  66         exp_continue
  67     }
  68     -re "$gdb_prompt $" {
  69         if { ${func1_name} != "" && ${func2_name} != "" } {
  70             pass "info functions"
  71         } else {
  72             fail "info functions"
  73             return -1
  74         }
  75     }
  76 }
  77
  78 # Check that all the functions have different addresses.
  79 set func1_addr [get_func_address "$func1_name"]
  80 set func2_addr [get_func_address "$func2_name"]
  81 set caller_addr [get_func_address "caller"]
  82
  83 if { "${func1_addr}" == "${func2_addr}"
  84      || "${func1_addr}" == "${func2_addr}"
  85      || "${func2_addr}" == "${caller_addr}" } {
  86   fail "C++ functions have different addresses"
  87 } else {
  88   pass "C++ functions have different addresses"
  89 }
  90
  91 # Figure out the names of the sections containing the template
  92 # functions.
  93 set func1_sec ""
  94 set func2_sec ""
  95 gdb_test_multiple "info file" "info file" {
  96     -re "($hex) - ($hex) is (\[^\r\]*)\r" {
  97         if { $expect_out(1,string) <= $func1_addr
  98              && $expect_out(2,string) > $func1_addr } {
  99             set func1_sec $expect_out(3,string)
 100         } elseif { $expect_out(1,string) <= $func2_addr
 101             && $expect_out(2,string) > $func2_addr } {
 102             set func2_sec $expect_out(3,string)
 103         }
 104         exp_continue
 105     }
 106     -re "$gdb_prompt $" {
 107         if { ${func1_sec} != "" && ${func2_sec} != "" } {
 108             pass "info file"
 109         } else {
 110             fail "info file"
 111             return -1
 112         }
 113     }
 114 }
 115
 116 if { $func1_sec == $func2_sec } {
 117     untested "cp-relocate.exp - template functions in same sections"
 118     return -1
 119 }
 120
 121 # Now start a clean GDB, for add-symbol-file tests.
 122 gdb_exit
 123 gdb_start
 124 gdb_reinitialize_dir $srcdir/$subdir
 125
 126 gdb_test "add-symbol-file ${binfile} 0 -s ${func1_sec} 0x10000 -s ${func2_sec} 0x20000" \
 127         "Reading symbols from .*${testfile}\\.o\\.\\.\\.done\\.(|\r\nUsing host libthread_db library .*libthread_db.so.*\\.)" \
 128         "add-symbol-file ${testfile}.o" \
 129         "add symbol table from file \".*${testfile}\\.o\" at.*\\(y or n\\) " \
 130         "y"
 131
 132 # Make sure the function addresses were updated.
 133 gdb_test "break *'$func1_name'" \
 134     "Breakpoint $decimal at 0x1....: file .*"
 135 gdb_test "break *'$func2_name'" \
 136     "Breakpoint $decimal at 0x2....: file .*"