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# Copyright 2008, 2009 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/>.
#
# Test support for stepping over longjmp.
#
if $tracelevel then {
strace $tracelevel
}
set prms_id 0
set bug_id 0
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"
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