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

   1 # Copyright 2004, 2007 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 set prms_id 0
  25 set bug_id 0
  26
  27 if ![istarget "powerpc-*-aix*"] then {
  28     verbose "Skipping powerpc-aix prologue tests."
  29     return
  30 }
  31
  32 set testfile "powerpc-aix-prologue"
  33 set srcfile ${testfile}.c
  34 set binfile ${objdir}/${subdir}/${testfile}
  35 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
  36     unsupported "Testcase compile failed."
  37     return -1
  38 }
  39
  40 gdb_exit
  41 gdb_start
  42 gdb_reinitialize_dir $srcdir/$subdir
  43 gdb_load ${binfile}
  44
  45 # Insert a breakpoint in FUNCTION and verifies that the breakpoint was
  46 # inserted at the expected location.  EXPECTED_LOCATION should be an
  47 # offset relative to the function start address.
  48 proc insert_breakpoint {function expected_location} {
  49     global gdb_prompt
  50     global expect_out
  51     global hex
  52
  53     set address ""
  54
  55     # Insert a breakpoint using the given function name, and extract
  56     # the breakpoint address for the output.
  57     gdb_test_multiple "break $function" "set breakpoint in $function" {
  58         -re "Breakpoint 1 at ($hex).*$gdb_prompt $" {
  59             set address $expect_out(1,string)
  60         }
  61         default {
  62             fail "set breakpoint in $function"
  63         }
  64     }
  65
  66     # If we managed to get the breakpoing address, then check that
  67     # we inserted it at the expected location by examining the
  68     # instruction at that address (we're not interested in the insn
  69     # itself, but rather at the address printed at the begining of
  70     # the instruction).
  71     if { $address != "" } then {
  72        gdb_test "x /i $address" \
  73                 ".*<$function\\+$expected_location>.*" \
  74                 "check $function breakpoint address"
  75     } else {
  76        fail "unable to compute breakpoint address"
  77     }
  78
  79 }
  80
  81 insert_breakpoint "li_stw" 12