gdb/testsuite/gdb.arch/powerpc-fpscr-gcore.exp

   1 # Copyright (C) 2018-2022 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 # This tests checks that generating and loading a core file preserves
  19 # the correct FPSCR size.
  20
  21 if {![istarget "powerpc*-*-linux*"]} then {
  22     verbose "Skipping PowerPC test for corefiles with FPSCR."
  23     return
  24 }
  25
  26 standard_testfile .c
  27
  28 set gen_src [standard_output_file $srcfile]
  29
  30 gdb_produce_source $gen_src {
  31         int main() {
  32             return 0;
  33         }
  34 }
  35
  36 if {[build_executable "compile" $binfile $gen_src] == -1} {
  37     return -1
  38 }
  39
  40 clean_restart $binfile
  41
  42 if ![runto_main] then {
  43     fail "could not run to main"
  44     return -1
  45 }
  46
  47 # Check if our target has FPSCR
  48 proc check_fpscr_access {} {
  49     global gdb_prompt
  50
  51     set test "fpscr register access"
  52     gdb_test_multiple "info reg fpscr" "$test" {
  53         -re "Invalid register.*\r\n$gdb_prompt $" {
  54             unsupported "$test"
  55             return 0
  56         }
  57         -re "\r\nfpscr.*\r\n$gdb_prompt $" {
  58             pass "$test"
  59             return 1
  60         }
  61     }
  62     return 0
  63 }
  64
  65 if { ![check_fpscr_access] } {
  66     return -1
  67 }
  68
  69 set fpscr_size_process [get_integer_valueof "sizeof(\$fpscr)" -1 "process size"]
  70
  71 set core_filename [standard_output_file "$testfile.core"]
  72 set core_generated [gdb_gcore_cmd "$core_filename" "generate core file"]
  73
  74 if { !$core_generated } {
  75     return -1
  76 }
  77
  78 clean_restart
  79
  80 set core_loaded [gdb_core_cmd "$core_filename" "load core file"]
  81
  82 if { $core_loaded != 1 } {
  83     return -1
  84 }
  85
  86 set fpscr_size_corefile [get_integer_valueof "sizeof(\$fpscr)" -2 "corefile size" ]
  87
  88 set test "fpscr size matches"
  89 if {$fpscr_size_process == $fpscr_size_corefile} {
  90     pass $test
  91 } else {
  92     fail $test
  93 }