# 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/>. */
+# 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
-
-if $tracelevel then {
- strace $tracelevel
- }
-
-if { ![isnative] } then {
+if { [is_remote target] || ![isnative] } then {
continue
}
## return 0
##}
+global srcfile
set testfile "foll-vfork"
set testfile2 "vforked-prog"
set srcfile ${testfile}.c
# Until "set follow-fork-mode" and "catch vfork" are implemented on
# other targets...
#
-if ![istarget "hppa*-hp-hpux*"] then {
+if {![istarget "hppa*-hp-hpux*"] && ![istarget "*-linux*"]} then {
continue
}
set oldtimeout $timeout
set timeout [expr "$timeout + 10"]
+proc check_vfork_catchpoints {} {
+ global gdb_prompt
+ global has_vfork_catchpoints
+
+ # Verify that the system supports "catch vfork".
+ gdb_test "catch vfork" "Catchpoint \[0-9\]* \\(vfork\\)" "insert first vfork catchpoint"
+ set has_vfork_catchpoints 0
+ gdb_test_multiple "continue" "continue to first vfork catchpoint" {
+ -re ".*Your system does not support vfork catchpoints.*$gdb_prompt $" {
+ unsupported "continue to first vfork catchpoint"
+ }
+ -re ".*Catchpoint.*$gdb_prompt $" {
+ set has_vfork_catchpoints 1
+ pass "continue to first vfork catchpoint"
+ }
+ }
+
+ if {$has_vfork_catchpoints == 0} {
+ unsupported "vfork catchpoints"
+ return -code return
+ }
+}
+
proc vfork_parent_follow_through_step {} {
global gdb_prompt
proc vfork_parent_follow_to_bp {} {
global gdb_prompt
+ global srcfile
send_gdb "set follow parent\n"
gdb_expect {
-re "$gdb_prompt $" {pass "set follow parent, vfork to bp"}
timeout {fail "set follow parent, vfork to bp"}
}
- send_gdb "break 18\n"
+ send_gdb "break ${srcfile}:18\n"
gdb_expect {
-re "$gdb_prompt $" {pass "break, vfork to bp"}
timeout {fail "break, vfork to bp"}
}
send_gdb "continue\n"
gdb_expect {
- -re ".*Detaching after fork from process.*Breakpoint.*18.*$gdb_prompt "\
+ -re ".*Detaching after fork from child process.*Breakpoint.*18.*$gdb_prompt "\
{pass "vfork parent follow, to bp"}
-re "$gdb_prompt $" {fail "vfork parent follow, to bp"}
timeout {fail "(timeout) vfork parent follow, to bp" }
}
send_gdb "continue\n"
gdb_expect {
- -re "Detaching from program.*Attaching after fork to.*Executing new program.*Breakpoint.*vforked-prog.c:9.*$gdb_prompt "\
+ -re "Attaching after fork to.*Executing new program.*Breakpoint.*vforked-prog.c:9.*$gdb_prompt "\
{pass "vfork and exec child follow, to main bp"}
-re "$gdb_prompt $" {fail "vfork and exec child follow, to main bp"}
timeout {fail "(timeout) vfork and exec child follow, to main bp" }
}
send_gdb "next\n"
gdb_expect {
- -re "Detaching from program.*Attaching after fork to.*Executing new program.*Breakpoint.*vforked-prog.c:9.*$gdb_prompt "\
+ -re "Attaching after fork to.*Executing new program.*Breakpoint.*vforked-prog.c:9.*$gdb_prompt "\
{pass "vfork and exec child follow, through step"}
-re "$gdb_prompt $" {fail "vfork and exec child follow, through step"}
timeout {fail "(timeout) vfork and exec child follow, through step" }
gdb_expect {
-re "0x\[0-9a-fA-F\]*.*vfork.*$gdb_prompt "\
{pass "vfork parent follow, tcatch vfork"}
- -re "0x\[0-9a-fA-F\]*.*_vfork.*$gdb_prompt "\
+ -re "vfork \\(\\) at.*$gdb_prompt "\
{pass "vfork parent follow, tcatch vfork"}
-re "$gdb_prompt $" {fail "vfork parent follow, tcatch vfork"}
timeout {fail "(timeout) vfork parent follow, tcatch vfork"}
proc tcatch_vfork_then_child_follow {} {
global gdb_prompt
+ global srcfile
global srcfile2
send_gdb "set follow child\n"
# HP-UX 10.20 seems to stop you in "vfork", while more recent HP-UXs
# stop you in "_vfork".
gdb_expect {
+ -re "vfork \\(\\) at .*$gdb_prompt $"\
+ {pass "vfork child follow, tcatch vfork"}
-re "0x\[0-9a-fA-F\]*.*vfork.*$gdb_prompt "\
{pass "vfork child follow, tcatch vfork"}
-re "0x\[0-9a-fA-F\]*.*_vfork.*$gdb_prompt "\
}
send_gdb "finish\n"
gdb_expect {
- -re "Run till exit from.*vfork.*${srcfile2}:9.*$gdb_prompt "\
+ -re "Run till exit from.*vfork.*${srcfile}:12.*$gdb_prompt "\
{pass "vfork child follow, finish after tcatch vfork"}
+ -re "Run till exit from.*vfork.*${srcfile2}:9.*$gdb_prompt "\
+ {pass "vfork child follow, finish after tcatch vfork (followed exec)"}
-re "$gdb_prompt $" {fail "vfork child follow, finish after tcatch vfork"}
timeout {fail "(timeout) vfork child follow, finish after tcatch vfork" }
}
proc do_vfork_and_exec_tests {} {
global gdb_prompt
+ # Check that vfork catchpoints are supported, as an indicator for whether
+ # vfork-following is supported.
+ if [runto_main] then { check_vfork_catchpoints }
+
# Try following the parent process by stepping through a call to
# vfork. Do this without catchpoints.
if [runto_main] then { vfork_parent_follow_through_step }
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
+# The "Detaching..." and "Attaching..." messages may be hidden by
+# default.
+gdb_test "set verbose" ""
# This is a test of gdb's ability to follow the parent or child
# of a Unix vfork() system call. (The child will subsequently