# Copyright 2002, 2003, 2005, 2007, 2008 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/>.

# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu

# Test MI output with synthetic frames on the stack (call dummies,
# signal handlers).

if [target_info exists gdb,nosignals] {
    verbose "Skipping mi-syn-frame.exp because of nosignals."
    continue
}

load_lib mi-support.exp
set MIFLAGS "-i=mi"

set testfile "mi-syn-frame"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } {
     untested mi-syn-frame.exp
     return -1
}

mi_gdb_exit
mi_gdb_start
mi_run_to_main

mi_create_breakpoint "foo" 2 keep foo ".*mi-syn-frame.c" $decimal $hex \
    "insert breakpoint foo"

#
# Call foo() by hand, where we'll hit a breakpoint.
#

mi_gdb_test "401-data-evaluate-expression foo()" "401\\^error,msg=\"The program being debugged stopped while in a function called from GDB.\\\\nWhen the function \\(foo\\) is done executing, GDB will silently\\\\nstop \\(instead of continuing to evaluate the expression containing\\\\nthe function call\\).\"" "call inferior's function with a breakpoint set in it"


mi_gdb_test "402-stack-list-frames" "402\\^done,stack=\\\[frame=\{level=\"0\",addr=\"$hex\",func=\"foo\",file=\".*mi-syn-frame.c\",line=\"$decimal\"\},frame=\{level=\"1\",addr=\"$hex\",func=\"<function called from gdb>\"\},frame=\{level=\"2\",addr=\"$hex\",func=\"main\",file=\".*mi-syn-frame.c\",line=\"$decimal\"\}.*\\\]" "backtrace from inferior function stopped at bp, showing gdb dummy frame"

#
# Continue back to main()
#
mi_gdb_test "403-exec-continue" \
  "403\\^running" \
  "testing exec continue"

# Presently, the *stopped notification for this case does not include
# any information.  This can be considered a bug.
mi_gdb_test "" "\\*stopped" "finished exec continue"

mi_gdb_test "404-stack-list-frames 0 0" \
  "404\\^done,stack=\\\[frame=\{level=\"0\",addr=\"$hex\",func=\"main\",file=\".*mi-syn-frame.c\",fullname=\"${fullname_syntax}${srcfile}\",line=\"$decimal\"\}.*\\\]" \
  "list stack frames"


#
# Call have_a_very_merry_interrupt() which will eventually raise a signal
# that's caught by handler() which calls subroutine().

mi_create_breakpoint "subroutine" 3 keep subroutine ".*mi-syn-frame.c" $decimal $hex \
    "insert breakpoint subroutine"

mi_gdb_test "406-data-evaluate-expression have_a_very_merry_interrupt()" \
  "406\\^error,msg=\"The program being debugged stopped while in a function called from GDB.\\\\nWhen the function \\(have_a_very_merry_interrupt\\) is done executing, GDB will silently\\\\nstop \\(instead of continuing to evaluate the expression containing\\\\nthe function call\\).\"" \
  "data evaluate expression"

# We should have both a signal handler and a call dummy frame
# in this next output.

mi_gdb_test "407-stack-list-frames" \
  "407\\^done,stack=\\\[frame=\{level=\"0\",addr=\"$hex\",func=\"subroutine\",file=\".*mi-syn-frame.c\",fullname=\"${fullname_syntax}${srcfile}\",line=\"$decimal\"\},frame=\{level=\"1\",addr=\"$hex\",func=\"handler\",file=\".*mi-syn-frame.c\",fullname=\"${fullname_syntax}${srcfile}\",line=\"$decimal\"\},frame=\{level=\"2\",addr=\"$hex\",func=\"<signal handler called>\"\},.*frame=\{level=\"$decimal\",addr=\"$hex\",func=\"have_a_very_merry_interrupt\",file=\".*mi-syn-frame.c\",fullname=\"${fullname_syntax}${srcfile}\",line=\"$decimal\"\},frame=\{level=\"$decimal\",addr=\"$hex\",func=\"<function called from gdb>\"\},frame=\{level=\"$decimal\",addr=\"$hex\",func=\"main\",file=\".*mi-syn-frame.c\",fullname=\"${fullname_syntax}${srcfile}\",line=\"$decimal\"\}.*\\\]" \
  "list stack frames"


mi_gdb_test "408-exec-continue" "408\\^running"

mi_gdb_test "" ".*\\*stopped.*" "finished exec continue"

mi_gdb_test "409-stack-list-frames 0 0" \
  "409\\^done,stack=\\\[frame=\{level=\"0\",addr=\"$hex\",func=\"main\",file=\".*mi-syn-frame.c\",fullname=\"${fullname_syntax}${srcfile}\",line=\"$decimal\"\}.*\\\]" \
  "list stack frames"

#
# Call bar() by hand, which should get an exception while running.
# 

mi_gdb_test "410-data-evaluate-expression bar()" \
  "410\\^error,msg=\"The program being debugged was signaled while in a function called from GDB.\\\\nGDB remains in the frame where the signal was received.\\\\nTo change this behavior use \\\\\"set unwindonsignal on\\\\\"\\\\nEvaluation of the expression containing the function \\(bar\\) will be abandoned.\"" \
  "call inferior function which raises exception"

mi_gdb_test "411-stack-list-frames" "411\\^done,stack=\\\[frame=\{level=\"0\",addr=\"$hex\",func=\"bar\",file=\".*mi-syn-frame.c\",fullname=\"${fullname_syntax}${srcfile}\",line=\"$decimal\"},frame=\{level=\"1\",addr=\"$hex\",func=\"<function called from gdb>\"\},frame=\{level=\"2\",addr=\"$hex\",func=\"main\",file=\".*mi-syn-frame.c\",fullname=\"${fullname_syntax}${srcfile}\",line=\"$decimal\"}.*\\\]" "backtrace from inferior function at exception"

mi_gdb_exit

return 0