# Copyright 2007, 2008, 2009, 2010 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# This file is part of the gdb testsuite.

if $tracelevel {
    strace $tracelevel
}

# Test that GDB can handle overlapping sizes of symbols.

if {(![istarget "x86_64-*-*"] && ![istarget "i?86-*-*"]) || ![is_ilp32_target] } then {
    verbose "Skipping i386 unwinder tests."
    return
}

set testfile "i386-size-overlap"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

# some targets have leading underscores on assembly symbols.
# TODO: detect this automatically
set additional_flags ""
if [istarget "i?86-*-cygwin*"] then {
  set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\""
}

if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
	  executable [list debug $additional_flags]] != "" } {
    untested "i386-size"
    return -1
}

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

# We use gdb_run_cmd so this stands a chance to work for remote
# targets too.
gdb_run_cmd

gdb_expect {
    -re "Program received signal SIGTRAP.*$gdb_prompt $" {
	pass "run past main"
    }
    -re ".*$gdb_prompt $" {
	fail "run past main"
    }
    timeout {
	fail "run past main (timeout)"
    }
}

set message "backtrace shows the outer function"
gdb_test_multiple "backtrace 10" $message {
    -re "#1\[ \t]*$hex in inner.*$gdb_prompt $" {
	fail $message
    }
    -re "#1\[ \t]*$hex in main.*$gdb_prompt $" {
	pass $message
    }
}