gdb/testsuite/gdb.base/prologue.exp

   1 # Test for prologue skipping in minimal symbols with line info.
   2 # Copyright 2007-2014 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 if { [skip_cplus_tests] } { continue }
  18
  19 standard_testfile .c
  20
  21 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  22      untested prologue.exp
  23      return -1
  24 }
  25
  26 clean_restart ${binfile}
  27
  28 if ![runto_main] then {
  29     perror "couldn't run to breakpoint"
  30     continue
  31 }
  32
  33 proc find_breakpoint_pc { sym } {
  34     global decimal hex gdb_prompt
  35
  36     if { [gdb_breakpoint $sym temporary] } {
  37         pass "setting breakpoint at $sym"
  38     }
  39
  40     gdb_test "continue" "marker \\(.*\\) at.*" "continue to $sym"
  41
  42     set pc 0
  43     set msg "reading \$pc: $sym"
  44     gdb_test_multiple "print/x \$pc" $msg {
  45         -re "\\\$$decimal = ($hex)\r\n$gdb_prompt $" {
  46             set pc $expect_out(1,string)
  47             pass $msg
  48         }
  49     }
  50
  51     return $pc
  52 }
  53
  54 # GDB would skip the prologue differently when given a symbol with
  55 # debug info than when given a minimal symbol from the symbol table.
  56 # Make sure this is fixed.
  57
  58 set pc1 [find_breakpoint_pc "marker"]
  59
  60 set pc2 [find_breakpoint_pc "other"]
  61
  62 gdb_test "print $pc1 == $pc2" "\\\$$decimal = 1" "same pc from minimal symbol"