1# Copyright 2003-2020 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 27if ![istarget "sh-*-*"] then { 28 verbose "Skipping SH backtrace tests." 29 return 30} 31 32set testfile "gdb1291" 33set srcfile ${testfile}.s 34set binfile ${objdir}/${subdir}/${testfile} 35if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ""] != "" } { 36 untested "failed to compile" 37 return -1 38} 39 40gdb_exit 41gdb_start 42gdb_reinitialize_dir $srcdir/$subdir 43gdb_load ${binfile} 44 45# 46# Run to `main' where we begin our tests. 47# 48 49if ![runto_main] then { 50 fail "can't run to main" 51 return 0 52} 53 54gdb_test "b sub1" "Breakpoint 2.*" "set breakpoint" 55gdb_test "c" "Breakpoint 2.* sub1 .*" "get to sub1" 56 57send_gdb "bt\n" 58gdb_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 70gdb_test "b sub2" "Breakpoint 3.*" "set breakpoint" 71gdb_test "c" "Breakpoint 3.* sub2 .*" "get to sub2" 72 73send_gdb "bt\n" 74gdb_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} 88