gdb/testsuite/gdb.arch/gdb1291.exp

   1 # Copyright 2003-2019 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@gnu.org
  18
  19 # This file is part of the gdb testsuite.
  20
  21 # Tests for PR:1291.  Ensure that backtrace works properly for stack
  22 # frames greater than 256 bytes.
  23
  24 # Test SH backtraces with >256 byte frame stack. (PR:1291)
  25
  26
  27 if ![istarget "sh-*-*"] then {
  28     verbose "Skipping SH backtrace tests."
  29     return
  30 }
  31
  32 set testfile "gdb1291"
  33 set srcfile ${testfile}.s
  34 set binfile ${objdir}/${subdir}/${testfile}
  35 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ""] != "" } {
  36     untested "failed to compile"
  37     return -1
  38 }
  39
  40 gdb_exit
  41 gdb_start
  42 gdb_reinitialize_dir $srcdir/$subdir
  43 gdb_load ${binfile}
  44
  45 #
  46 # Run to `main' where we begin our tests.
  47 #
  48
  49 if ![runto_main] then {
  50     fail "can't run to main"
  51     return 0
  52 }
  53
  54 gdb_test "b sub1" "Breakpoint 2.*" "set breakpoint"
  55 gdb_test "c" "Breakpoint 2.* sub1 .*" "get to sub1"
  56
  57 send_gdb "bt\n"
  58 gdb_expect {
  59     -re "#0.* sub1 .*\r\n#1\[ \t\]*$hex in main \\(\\).*\r\n$gdb_prompt $" {
  60         pass "backtrace with local variable less than or equal to 256 bytes"
  61     }
  62     -re ".*$gdb_prompt $" {
  63         fail "backtrace with local variable less than or equal to 256 bytes"
  64     }
  65     timeout {
  66         fail "backtrace with local variable less than or equal to 256 bytes (timeout)"
  67     }
  68 }
  69
  70 gdb_test "b sub2" "Breakpoint 3.*" "set breakpoint"
  71 gdb_test "c" "Breakpoint 3.* sub2 .*" "get to sub2"
  72
  73 send_gdb "bt\n"
  74 gdb_expect {
  75     -re "#0.* sub2 .*\r\n#1\[ \t\]*$hex in main \\(\\).*\r\n$gdb_prompt $" {
  76         pass "backtrace with local variable larger than 256 bytes"
  77     }
  78     -re "#0.* sub2 .*\r\n#1  0x00000000 in \\?\\? \\(\\).*\r\n$gdb_prompt $" {
  79         kfail "gdb/1291" "backtrace with local variable larger than 256 bytes"
  80     }
  81     -re ".*$gdb_prompt $" {
  82         fail "backtrace with local variable larger than 256 bytes"
  83     }
  84     timeout {
  85         fail "backtrace with local variable larger than 256 bytes (timeout)"
  86     }
  87 }