-# Copyright 1997, 1999 Free Software Foundation, Inc.
+# Copyright 1997, 1999, 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 2 of the License, or
+# 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-# Please email any bugs, comments, and/or additions to this file to:
-# bug-gdb@prep.ai.mit.edu
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
-if $tracelevel then {
- strace $tracelevel
- }
-
-if { ![isnative] } then {
+if { [is_remote target] || ![isnative] } then {
continue
}
-set prms_id 0
-set bug_id 0
-if [istarget "hppa2.0w-hp-hpux*"] {
- warning "Don't run gdb.base/foll-vfork.exp until JAGaa43495 kernel problem is fixed."
- return 0
-}
+# NOTE drow/2002-12-06: I don't know what the referenced kernel problem
+# is, but it appears to be fixed in recent HP/UX versions.
+##if [istarget "hppa2.0w-hp-hpux*"] {
+## warning "Don't run gdb.base/foll-vfork.exp until JAGaa43495 kernel problem is fixed."
+## return 0
+##}
+
+global srcfile
set testfile "foll-vfork"
set testfile2 "vforked-prog"
set srcfile ${testfile}.c
set binfile2 ${objdir}/${subdir}/${testfile2}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
- gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+ untested foll-vfork.exp
+ return -1
}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } {
- gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+ untested foll-vfork.exp
+ return -1
}
# 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
- send_gdb "set follow parent\n"
+ send_gdb "set follow-fork parent\n"
gdb_expect {
- -re "$gdb_prompt $" {pass "set follow parent, vfork through step"}
- timeout {fail "set follow parent, vfork through step"}
+ -re "$gdb_prompt $" {pass "set follow-fork parent, vfork through step"}
+ timeout {fail "set follow-fork parent, vfork through step"}
}
send_gdb "next\n"
gdb_expect {
proc vfork_parent_follow_to_bp {} {
global gdb_prompt
+ global srcfile
- send_gdb "set follow parent\n"
+ send_gdb "set follow-fork parent\n"
gdb_expect {
- -re "$gdb_prompt $" {pass "set follow parent, vfork to bp"}
- timeout {fail "set follow parent, vfork to bp"}
+ -re "$gdb_prompt $" {pass "set follow-fork parent, vfork to bp"}
+ timeout {fail "set follow-fork 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 $" {fail "vfork parent follow, to bp"}
timeout {fail "(timeout) vfork parent follow, to bp" }
global gdb_prompt
global binfile
- send_gdb "set follow child\n"
+ send_gdb "set follow-fork child\n"
gdb_expect {
- -re "$gdb_prompt $" {pass "set follow child, vfork and exec to main bp"}
- timeout {fail "set follow child, vfork and exec to main bp"}
+ -re "$gdb_prompt $" {pass "set follow-fork child, vfork and exec to main bp"}
+ timeout {fail "set follow-fork child, vfork and exec to main bp"}
}
send_gdb "continue\n"
gdb_expect {
- -re "Detaching from program.*Attaching after fork to.*Executing new program.*Breakpoint.*vforked-prog.c:9.*$gdb_prompt "\
+ -re "Attaching after.* vfork to.*xecuting new program.*Breakpoint.*vforked-prog.c:9.*$gdb_prompt "\
{pass "vfork and exec child follow, to main bp"}
-re "$gdb_prompt $" {fail "vfork and exec child follow, to main bp"}
timeout {fail "(timeout) vfork and exec child follow, to main bp" }
# This test cannot be performed prior to HP-UX 10.30, because ptrace-based
# debugging of a vforking program basically doesn't allow the child to do
# things like hit a breakpoint between a vfork and exec. This means that
-# saying "set follow child; next" at a vfork() call won't work, because
+# saying "set follow-fork child; next" at a vfork() call won't work, because
# the implementation of "next" sets a "step resume" breakpoint at the
# return from the vfork(), which the child will hit on its way to exec'ing.
#
return 0
}
- send_gdb "set follow child\n"
+ send_gdb "set follow-fork child\n"
gdb_expect {
- -re "$gdb_prompt $" {pass "set follow child, vfork and exec through step"}
- timeout {fail "set follow child, vfork and exec through step"}
+ -re "$gdb_prompt $" {pass "set follow-fork child, vfork and exec through step"}
+ timeout {fail "set follow-fork child, vfork and exec through step"}
}
send_gdb "next\n"
gdb_expect {
- -re "Detaching from program.*Attaching after fork to.*Executing new program.*Breakpoint.*vforked-prog.c:9.*$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 $" {fail "vfork and exec child follow, through step"}
timeout {fail "(timeout) vfork and exec child follow, through step" }
global gdb_prompt
global srcfile
- send_gdb "set follow parent\n"
+ send_gdb "set follow-fork parent\n"
gdb_expect {
- -re "$gdb_prompt $" {pass "set follow parent, tcatch vfork"}
- timeout {fail "set follow parent, tcatch vfork"}
+ -re "$gdb_prompt $" {pass "set follow-fork parent, tcatch vfork"}
+ timeout {fail "set follow-fork parent, tcatch vfork"}
}
send_gdb "tcatch vfork\n"
gdb_expect {
# HP-UX 10.20 seems to stop you in "vfork", while more recent HP-UXs
# stop you in "_vfork".
gdb_expect {
- -re "0x\[0-9a-fA-F\]*.*vfork.*$gdb_prompt "\
+ -re "0x\[0-9a-fA-F\]*.*(vfork|__kernel_v?syscall).*$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"}
gdb_expect {
-re "Run till exit from.*vfork.*0x\[0-9a-fA-F\]* in main .* at .*${srcfile}:12.*$gdb_prompt "\
{pass "vfork parent follow, finish after tcatch vfork"}
+ -re "Run till exit from.*__kernel_v?syscall.*0x\[0-9a-fA-F\]* in vfork .*$gdb_prompt " {
+ send_gdb "finish\n"
+ exp_continue
+ }
-re "$gdb_prompt $" {fail "vfork parent follow, finish after tcatch vfork"}
timeout {fail "(timeout) vfork parent follow, finish after tcatch vfork" }
}
proc tcatch_vfork_then_child_follow {} {
global gdb_prompt
+ global srcfile
global srcfile2
- send_gdb "set follow child\n"
+ send_gdb "set follow-fork child\n"
gdb_expect {
- -re "$gdb_prompt $" {pass "set follow child, tcatch vfork"}
- timeout {fail "set follow child, tcatch vfork"}
+ -re "$gdb_prompt $" {pass "set follow-fork child, tcatch vfork"}
+ timeout {fail "set follow-fork child, tcatch vfork"}
}
send_gdb "tcatch vfork\n"
gdb_expect {
# HP-UX 10.20 seems to stop you in "vfork", while more recent HP-UXs
# stop you in "_vfork".
gdb_expect {
- -re "0x\[0-9a-fA-F\]*.*vfork.*$gdb_prompt "\
+ -re "vfork \\(\\) at .*$gdb_prompt $"\
{pass "vfork child follow, tcatch vfork"}
- -re "0x\[0-9a-fA-F\]*.*_vfork.*$gdb_prompt "\
+ -re "0x\[0-9a-fA-F\]*.*(vfork|__kernel_v?syscall).*$gdb_prompt "\
{pass "vfork child follow, tcatch vfork"}
-re "$gdb_prompt $" {fail "vfork child follow, tcatch vfork"}
timeout {fail "(timeout) vfork child follow, tcatch vfork"}
}
send_gdb "finish\n"
gdb_expect {
- -re "Run till exit from.*vfork.*${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.*__kernel_v?syscall.*0x\[0-9a-fA-F\]* in vfork .*$gdb_prompt " {
+ send_gdb "finish\n"
+ exp_continue
+ }
+ -re "Run till exit from.*vfork.*${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_no_output "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
projects / deliverable / binutils-gdb.git / blobdiff