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

   1 # Copyright 2004-2024 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 # Test rs6000 prologue analyzer.
  19
  20
  21 require {istarget "powerpc-*-aix*"}
  22
  23 set testfile "powerpc-aix-prologue"
  24 set srcfile ${testfile}.c
  25 set binfile ${objdir}/${subdir}/${testfile}
  26 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
  27     unsupported "failed to compile"
  28     return -1
  29 }
  30
  31 clean_restart $binfile
  32
  33 # Insert a breakpoint in FUNCTION and verifies that the breakpoint was
  34 # inserted at the expected location.  EXPECTED_LOCATION should be an
  35 # offset relative to the function start address.
  36 proc insert_breakpoint {function expected_location} {
  37     global gdb_prompt
  38     global expect_out
  39     global hex
  40
  41     set address ""
  42
  43     # Insert a breakpoint using the given function name, and extract
  44     # the breakpoint address for the output.
  45     gdb_test_multiple "break $function" "set breakpoint in $function" {
  46         -re "Breakpoint .* at ($hex).*$gdb_prompt $" {
  47             set address $expect_out(1,string)
  48         }
  49         default {
  50             fail "set breakpoint in $function"
  51         }
  52     }
  53
  54     # If we managed to get the breakpoing address, then check that
  55     # we inserted it at the expected location by examining the
  56     # instruction at that address (we're not interested in the insn
  57     # itself, but rather at the address printed at the begining of
  58     # the instruction).
  59     if {$address != ""} {
  60        gdb_test "x /i $address" \
  61                 ".*<$function\\+$expected_location>.*" \
  62                 "check $function breakpoint address"
  63     } else {
  64        fail "unable to compute breakpoint address"
  65     }
  66
  67 }
  68
  69 insert_breakpoint "li_stw" 12
  70 insert_breakpoint "stack_check_probe_1" 16
  71 insert_breakpoint "stack_check_probe_2" 40
  72 insert_breakpoint "stack_check_probe_loop_1" 68
  73 insert_breakpoint "stack_check_probe_loop_2" 60
  74