gdb/testsuite/gdb.base/prologue.exp

   1 # Test for prologue skipping in minimal symbols with line info.
   2 # Copyright 2007 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 if { [skip_cplus_tests] } { continue }
  19
  20 set testfile "prologue"
  21 set srcfile ${testfile}.c
  22 set binfile ${objdir}/${subdir}/${testfile}
  23
  24 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  25      untested prologue.exp
  26      return -1
  27 }
  28
  29 gdb_exit
  30 gdb_start
  31 gdb_reinitialize_dir $srcdir/$subdir
  32 gdb_load ${binfile}
  33
  34 if ![runto_main] then {
  35     perror "couldn't run to breakpoint"
  36     continue
  37 }
  38
  39 proc find_breakpoint_pc { sym } {
  40     global decimal hex gdb_prompt
  41
  42     if { [gdb_breakpoint $sym temporary] } {
  43         pass "setting breakpoint at $sym"
  44     }
  45
  46     gdb_test "continue" "marker \\(.*\\) at.*" "continue to $sym"
  47
  48     set pc 0
  49     set msg "reading \$pc: $sym"
  50     gdb_test_multiple "print/x \$pc" $msg {
  51         -re "\\\$$decimal = ($hex)\r\n$gdb_prompt $" {
  52             set pc $expect_out(1,string)
  53             pass $msg
  54         }
  55     }
  56
  57     return $pc
  58 }
  59
  60 # GDB would skip the prologue differently when given a symbol with
  61 # debug info than when given a minimal symbol from the symbol table.
  62 # Make sure this is fixed.
  63
  64 set pc1 [find_breakpoint_pc "marker"]
  65
  66 set pc2 [find_breakpoint_pc "other"]
  67
  68 gdb_test "print $pc1 == $pc2" "\\\$$decimal = 1" "same pc from minimal symbol"