gdb/testsuite/gdb.arch/powerpc-aix-prologue.exp

   1 # Copyright 2004, 2007, 2008, 2009, 2010 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 # This file is part of the gdb testsuite.
  17
  18 if $tracelevel {
  19     strace $tracelevel
  20 }
  21
  22 # Test rs6000 prologue analyzer.
  23
  24
  25 if ![istarget "powerpc-*-aix*"] then {
  26     verbose "Skipping powerpc-aix prologue tests."
  27     return
  28 }
  29
  30 set testfile "powerpc-aix-prologue"
  31 set srcfile ${testfile}.c
  32 set binfile ${objdir}/${subdir}/${testfile}
  33 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
  34     unsupported "Testcase compile failed."
  35     return -1
  36 }
  37
  38 gdb_exit
  39 gdb_start
  40 gdb_reinitialize_dir $srcdir/$subdir
  41 gdb_load ${binfile}
  42
  43 # Insert a breakpoint in FUNCTION and verifies that the breakpoint was
  44 # inserted at the expected location.  EXPECTED_LOCATION should be an
  45 # offset relative to the function start address.
  46 proc insert_breakpoint {function expected_location} {
  47     global gdb_prompt
  48     global expect_out
  49     global hex
  50
  51     set address ""
  52
  53     # Insert a breakpoint using the given function name, and extract
  54     # the breakpoint address for the output.
  55     gdb_test_multiple "break $function" "set breakpoint in $function" {
  56         -re "Breakpoint .* at ($hex).*$gdb_prompt $" {
  57             set address $expect_out(1,string)
  58         }
  59         default {
  60             fail "set breakpoint in $function"
  61         }
  62     }
  63
  64     # If we managed to get the breakpoing address, then check that
  65     # we inserted it at the expected location by examining the
  66     # instruction at that address (we're not interested in the insn
  67     # itself, but rather at the address printed at the begining of
  68     # the instruction).
  69     if { $address != "" } then {
  70        gdb_test "x /i $address" \
  71                 ".*<$function\\+$expected_location>.*" \
  72                 "check $function breakpoint address"
  73     } else {
  74        fail "unable to compute breakpoint address"
  75     }
  76
  77 }
  78
  79 insert_breakpoint "li_stw" 12
  80 insert_breakpoint "stack_check_probe_1" 16
  81 insert_breakpoint "stack_check_probe_2" 40
  82 insert_breakpoint "stack_check_probe_loop_1" 68
  83 insert_breakpoint "stack_check_probe_loop_2" 60
  84