gnu/dist/gdb6/gdb/testsuite/gdb.arch/powerpc-aix-prologue.exp

   1 # Copyright 2004 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16 #
  17 # This file is part of the gdb testsuite.
  18
  19 if $tracelevel {
  20     strace $tracelevel
  21 }
  22
  23 # Test rs6000 prologue analyzer.
  24
  25 set prms_id 0
  26 set bug_id 0
  27
  28 if ![istarget "powerpc-*-aix*"] then {
  29     verbose "Skipping powerpc-aix prologue tests."
  30     return
  31 }
  32
  33 set testfile "powerpc-aix-prologue"
  34 set srcfile ${testfile}.c
  35 set binfile ${objdir}/${subdir}/${testfile}
  36 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
  37     unsupported "Testcase compile failed."
  38     return -1
  39 }
  40
  41 gdb_exit
  42 gdb_start
  43 gdb_reinitialize_dir $srcdir/$subdir
  44 gdb_load ${binfile}
  45
  46 # Insert a breakpoint in FUNCTION and verifies that the breakpoint was
  47 # inserted at the expected location.  EXPECTED_LOCATION should be an
  48 # offset relative to the function start address.
  49 proc insert_breakpoint {function expected_location} {
  50     global gdb_prompt
  51     global expect_out
  52     global hex
  53
  54     set address ""
  55
  56     # Insert a breakpoint using the given function name, and extract
  57     # the breakpoint address for the output.
  58     gdb_test_multiple "break $function" "set breakpoint in $function" {
  59         -re "Breakpoint 1 at ($hex).*$gdb_prompt $" {
  60             set address $expect_out(1,string)
  61         }
  62         default {
  63             fail "set breakpoint in $function"
  64         }
  65     }
  66
  67     # If we managed to get the breakpoing address, then check that
  68     # we inserted it at the expected location by examining the
  69     # instruction at that address (we're not interested in the insn
  70     # itself, but rather at the address printed at the begining of
  71     # the instruction).
  72     if { $address != "" } then {
  73        gdb_test "x /i $address" \
  74                 ".*<$function\\+$expected_location>.*" \
  75                 "check $function breakpoint address"
  76     } else {
  77        fail "unable to compute breakpoint address"
  78     }
  79
  80 }
  81
  82 insert_breakpoint "li_stw" 12