| 1 | # Copyright 2004-2015 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 | if ![istarget "powerpc-*-aix*"] then { |
| 22 | verbose "Skipping powerpc-aix prologue tests." |
| 23 | return |
| 24 | } |
| 25 | |
| 26 | set testfile "powerpc-aix-prologue" |
| 27 | set srcfile ${testfile}.c |
| 28 | set binfile ${objdir}/${subdir}/${testfile} |
| 29 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } { |
| 30 | unsupported "Testcase compile failed." |
| 31 | return -1 |
| 32 | } |
| 33 | |
| 34 | gdb_exit |
| 35 | gdb_start |
| 36 | gdb_reinitialize_dir $srcdir/$subdir |
| 37 | gdb_load ${binfile} |
| 38 | |
| 39 | # Insert a breakpoint in FUNCTION and verifies that the breakpoint was |
| 40 | # inserted at the expected location. EXPECTED_LOCATION should be an |
| 41 | # offset relative to the function start address. |
| 42 | proc insert_breakpoint {function expected_location} { |
| 43 | global gdb_prompt |
| 44 | global expect_out |
| 45 | global hex |
| 46 | |
| 47 | set address "" |
| 48 | |
| 49 | # Insert a breakpoint using the given function name, and extract |
| 50 | # the breakpoint address for the output. |
| 51 | gdb_test_multiple "break $function" "set breakpoint in $function" { |
| 52 | -re "Breakpoint .* at ($hex).*$gdb_prompt $" { |
| 53 | set address $expect_out(1,string) |
| 54 | } |
| 55 | default { |
| 56 | fail "set breakpoint in $function" |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | # If we managed to get the breakpoing address, then check that |
| 61 | # we inserted it at the expected location by examining the |
| 62 | # instruction at that address (we're not interested in the insn |
| 63 | # itself, but rather at the address printed at the begining of |
| 64 | # the instruction). |
| 65 | if { $address != "" } then { |
| 66 | gdb_test "x /i $address" \ |
| 67 | ".*<$function\\+$expected_location>.*" \ |
| 68 | "check $function breakpoint address" |
| 69 | } else { |
| 70 | fail "unable to compute breakpoint address" |
| 71 | } |
| 72 | |
| 73 | } |
| 74 | |
| 75 | insert_breakpoint "li_stw" 12 |
| 76 | insert_breakpoint "stack_check_probe_1" 16 |
| 77 | insert_breakpoint "stack_check_probe_2" 40 |
| 78 | insert_breakpoint "stack_check_probe_loop_1" 68 |
| 79 | insert_breakpoint "stack_check_probe_loop_2" 60 |
| 80 | |