Subversion Repositories openrisc

# Copyright 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 .

#

# Test support for stepping over longjmp.

#

if $tracelevel then {

    strace $tracelevel

}

set testfile "longjmp"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {

     untested longjmp.exp

     return -1

}

if [get_compiler_info ${binfile}] {

    return -1

}

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

if ![runto_main] then {

   fail "Can't run to main"

   return 0

}

set bp_miss_step_1 [gdb_get_line_number "miss_step_1"]

set bp_miss_step_2 [gdb_get_line_number "miss_step_2"]

set bp_start_test_1 [gdb_get_line_number "patt1"]

set bp_start_test_2 [gdb_get_line_number "patt2"]

set bp_start_test_3 [gdb_get_line_number "patt3"]

#

# Pattern 1 - simple longjmp.

#

delete_breakpoints

gdb_test "break $bp_start_test_1" \

    "Breakpoint.*at.* file .*$srcfile, line.*$bp_start_test_1.*" \

    "breakpoint at pattern 1 start"

gdb_test "continue" "patt1.*" "continue to breakpoint at pattern 1 start"

# set safe-net break

gdb_test "break $bp_miss_step_1" \

    "Breakpoint.*at.* file .*$srcfile, line.*$bp_miss_step_1.*" \

    "breakpoint at miss_step_1"

gdb_test "next" "longjmps\\+\\+;.*" "next over setjmp (1)"

gdb_test "next" "longjmp \\(env, 1\\);.*" "next to longjmp (1)"

set msg "next over longjmp(1)"

gdb_test_multiple "next" $msg {

    -re ".*patt1.*$gdb_prompt $" {

        pass $msg

        gdb_test "next" "resumes\\+\\+.*" "next into else block (1)"

        gdb_test "next" "miss_step_1.*" "next into safety net (1)"

    }

    -re "miss_step_1.*$gdb_prompt $" {

        fail $msg

    }

}

#

# Pattern 2 - longjmp from an inner function.

#

delete_breakpoints

gdb_test "break $bp_start_test_2" \

    "Breakpoint.*at.* file .*$srcfile, line.*$bp_start_test_2.*" \

    "breakpoint at pattern 2 start"

gdb_test "continue" "patt2.*" "continue to breakpoint at pattern 2 start"

# set safe-net break

gdb_test "break $bp_miss_step_2" \

    "Breakpoint.*at.* file .*$srcfile, line.*$bp_miss_step_2.*" \

    "breakpoint at miss_step_2"

gdb_test "next" "call_longjmp.*" "next over setjmp (2)"

set msg "next over call_longjmp (2)"

gdb_test_multiple "next" $msg {

    -re ".*patt2.*$gdb_prompt $" {

        pass $msg

        gdb_test "next" "resumes\\+\\+.*" "next into else block (2)"

        gdb_test "next" "miss_step_2.*" "next into safety net (2)"

    }

    -re "miss_step_2.*$gdb_prompt $" {

        fail $msg

    }

}

#

# Pattern 3 - setjmp/longjmp inside stepped-over function.

#

delete_breakpoints

gdb_test "break $bp_start_test_3" \

    "Breakpoint.*at.* file .*$srcfile, line.*$bp_start_test_3.*" \

    "breakpoint at pattern 3 start"

gdb_test "continue" "patt3.*" "continue to breakpoint at pattern 3 start"

gdb_test "next" "longjmp caught.*" "next over patt3"