| Index: gdb/testsuite/gdb.base/foll-vfork.exp
|
| diff --git a/gdb/testsuite/gdb.base/foll-vfork.exp b/gdb/testsuite/gdb.base/foll-vfork.exp
|
| index 7a3c04e582b9e37cb1ad1b0439329440cca05660..29d6da01aaa51037e5bce49545a5d129b84b01c3 100644
|
| --- a/gdb/testsuite/gdb.base/foll-vfork.exp
|
| +++ b/gdb/testsuite/gdb.base/foll-vfork.exp
|
| @@ -1,4 +1,4 @@
|
| -# Copyright 1997, 1999, 2007-2012 Free Software Foundation, Inc.
|
| +# Copyright 1997-2013 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
|
| @@ -13,6 +13,11 @@
|
| # You should have received a copy of the GNU General Public License
|
| # along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
| +# Various tests of gdb's ability to follow the parent or child of a
|
| +# Unix vfork system call. A vfork parent is blocked until the child
|
| +# either execs or exits --- since those events take somewhat different
|
| +# code paths in GDB, both variants are exercised.
|
| +
|
| if { [is_remote target] || ![isnative] } then {
|
| continue
|
| }
|
| @@ -40,22 +45,23 @@ if [istarget "hppa*-hp-hpux10.20"] then {
|
| ## return 0
|
| ##}
|
|
|
| -global srcfile
|
| -set testfile "foll-vfork"
|
| -set testfile2 "vforked-prog"
|
| -set srcfile ${testfile}.c
|
| -set srcfile2 ${testfile2}.c
|
| -set binfile ${objdir}/${subdir}/${testfile}
|
| -set binfile2 ${objdir}/${subdir}/${testfile2}
|
| +standard_testfile
|
| +
|
| +set compile_options debug
|
| +set dirname [relative_filename [pwd] [file dirname $binfile]]
|
| +lappend compile_options "additional_flags=-DBASEDIR=\"$dirname\""
|
|
|
| -if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
|
| - untested foll-vfork.exp
|
| - return -1
|
| +if {[build_executable $testfile.exp $testfile $srcfile $compile_options] == -1} {
|
| + untested "failed to compile $testfile"
|
| + return -1
|
| }
|
|
|
| -if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } {
|
| - untested foll-vfork.exp
|
| - return -1
|
| +set testfile2 "vforked-prog"
|
| +set srcfile2 ${testfile2}.c
|
| +
|
| +if {[build_executable $testfile.exp $testfile2 $srcfile2 $compile_options] == -1} {
|
| + untested "failed to compile $testfile2"
|
| + return -1
|
| }
|
|
|
| # A few of these tests require a little more time than the standard
|
| @@ -63,10 +69,29 @@ if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {d
|
| set oldtimeout $timeout
|
| set timeout [expr "$timeout + 10"]
|
|
|
| +# Start with a fresh GDB, with verbosity enabled, and run to main. On
|
| +# error, behave as "return", so we don't try to continue testing with
|
| +# a borked session.
|
| +proc setup_gdb {} {
|
| + global testfile
|
| +
|
| + clean_restart $testfile
|
| +
|
| + # The "Detaching..." and "Attaching..." messages may be hidden by
|
| + # default.
|
| + gdb_test_no_output "set verbose"
|
| +
|
| + if ![runto_main] {
|
| + return -code return
|
| + }
|
| +}
|
| +
|
| proc check_vfork_catchpoints {} {
|
| global gdb_prompt
|
| global has_vfork_catchpoints
|
|
|
| + setup_gdb
|
| +
|
| # Verify that the system supports "catch vfork".
|
| gdb_test "catch vfork" "Catchpoint \[0-9\]* \\(vfork\\)" "insert first vfork catchpoint"
|
| set has_vfork_catchpoints 0
|
| @@ -87,273 +112,361 @@ proc check_vfork_catchpoints {} {
|
| }
|
|
|
| proc vfork_parent_follow_through_step {} {
|
| + with_test_prefix "vfork parent follow, through step" {
|
| global gdb_prompt
|
|
|
| - send_gdb "set follow-fork parent\n"
|
| - gdb_expect {
|
| - -re "$gdb_prompt $" {pass "set follow-fork parent, vfork through step"}
|
| - timeout {fail "set follow-fork parent, vfork through step"}
|
| - }
|
| - send_gdb "next\n"
|
| - gdb_expect {
|
| - -re "Detaching after fork from.*13.*$gdb_prompt "\
|
| - {pass "vfork parent follow, through step"}
|
| - -re "$gdb_prompt $" {fail "vfork parent follow, through step"}
|
| - timeout {fail "(timeout) vfork parent follow, through step" }
|
| + setup_gdb
|
| +
|
| + gdb_test_no_output "set follow-fork parent"
|
| +
|
| + set test "step"
|
| + gdb_test_multiple "next" $test {
|
| + -re "Detaching after fork from.*if \\(pid == 0\\).*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| }
|
| # The child has been detached; allow time for any output it might
|
| # generate to arrive, so that output doesn't get confused with
|
| # any gdb_expected debugger output from a subsequent testpoint.
|
| #
|
| exec sleep 1
|
| -}
|
| +}}
|
|
|
| proc vfork_parent_follow_to_bp {} {
|
| + with_test_prefix "vfork parent follow, to bp" {
|
| global gdb_prompt
|
| global srcfile
|
|
|
| - send_gdb "set follow-fork parent\n"
|
| - gdb_expect {
|
| - -re "$gdb_prompt $" {pass "set follow-fork parent, vfork to bp"}
|
| - timeout {fail "set follow-fork parent, vfork to bp"}
|
| - }
|
| - send_gdb "break ${srcfile}:18\n"
|
| - gdb_expect {
|
| - -re "$gdb_prompt $" {pass "break, vfork to bp"}
|
| - timeout {fail "break, vfork to bp"}
|
| - }
|
| - send_gdb "continue\n"
|
| - gdb_expect {
|
| - -re ".*Detaching after fork from child process.*Breakpoint.*18.*$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" }
|
| + setup_gdb
|
| +
|
| + gdb_test_no_output "set follow-fork parent"
|
| +
|
| + set bp_location [gdb_get_line_number "printf (\"I'm the proud parent of child"]
|
| + gdb_test "break ${srcfile}:${bp_location}" ".*" "break, vfork to bp"
|
| +
|
| + set test "continue to bp"
|
| + gdb_test_multiple "continue" $test {
|
| + -re ".*Detaching after fork from child process.*Breakpoint.*${bp_location}.*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| }
|
| # The child has been detached; allow time for any output it might
|
| # generate to arrive, so that output doesn't get confused with
|
| # any expected debugger output from a subsequent testpoint.
|
| #
|
| exec sleep 1
|
| -}
|
| +}}
|
|
|
| -proc vfork_and_exec_child_follow_to_main_bp {} {
|
| +proc vfork_child_follow_to_exit {} {
|
| + with_test_prefix "vfork child follow, to exit" {
|
| global gdb_prompt
|
| - global binfile
|
|
|
| - send_gdb "set follow-fork child\n"
|
| - gdb_expect {
|
| - -re "$gdb_prompt $" {pass "set follow-fork child, vfork and exec to main bp"}
|
| - timeout {fail "set follow-fork child, vfork and exec to main bp"}
|
| - }
|
| - send_gdb "continue\n"
|
| - gdb_expect {
|
| - -re "Attaching after.* vfork to.*xecuting new program.*Breakpoint.*vforked-prog.c:9.*$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" }
|
| + setup_gdb
|
| +
|
| + gdb_test_no_output "set follow-fork child"
|
| +
|
| + set test "continue to child exit"
|
| + gdb_test_multiple "continue" $test {
|
| + -re "Couldn't get registers.*$gdb_prompt " {
|
| + # PR gdb/14766
|
| + fail "$test"
|
| + }
|
| + -re "Attaching after.* vfork to.*Detaching vfork parent .* after child exit.*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| }
|
| # The parent has been detached; allow time for any output it might
|
| # generate to arrive, so that output doesn't get confused with
|
| # any gdb_expected debugger output from a subsequent testpoint.
|
| #
|
| exec sleep 1
|
| +}}
|
|
|
| - # Explicitly kill this child, or a subsequent rerun actually runs
|
| - # the exec'd child, not the original program...
|
| - send_gdb "kill\n"
|
| - gdb_expect {
|
| - -re ".*Kill the program being debugged.*y or n. $" {
|
| - gdb_test_no_output "y" ""
|
| - send_gdb "file $binfile\n"
|
| - gdb_expect {
|
| - -re ".*Load new symbol table from.*y or n. $" {
|
| - send_gdb "y\n"
|
| - gdb_expect {
|
| - -re "Reading symbols from.*$gdb_prompt $" {}
|
| - timeout { fail "loading symbols (timeout)"; return }
|
| - }
|
| - }
|
| - -re ".*gdb_prompt $" {}
|
| - timeout { fail "loading symbols (timeout)"; return }
|
| - }
|
| +proc vfork_and_exec_child_follow_to_main_bp {} {
|
| + with_test_prefix "vfork and exec child follow, to main bp" {
|
| + global gdb_prompt
|
| + global srcfile2
|
| +
|
| + setup_gdb
|
| +
|
| + gdb_test_no_output "set follow-fork child"
|
| +
|
| + set linenum [gdb_get_line_number "printf(\"Hello from vforked-prog" ${srcfile2}]
|
| +
|
| + set test "continue to bp"
|
| + gdb_test_multiple "continue" $test {
|
| + -re "Attaching after.* vfork to.*xecuting new program.*Breakpoint.*vforked-prog.c:${linenum}.*$gdb_prompt " {
|
| + pass $test
|
| }
|
| - -re ".*$gdb_prompt $" {}
|
| - timeout { fail "killing inferior (timeout)" ; return }
|
| - }
|
| -}
|
| + }
|
| + # The parent has been detached; allow time for any output it might
|
| + # generate to arrive, so that output doesn't get confused with
|
| + # any gdb_expected debugger output from a subsequent testpoint.
|
| + #
|
| + exec sleep 1
|
| +}}
|
|
|
| proc vfork_and_exec_child_follow_through_step {} {
|
| + with_test_prefix "vfork and exec child follow, through step" {
|
| global gdb_prompt
|
| - global binfile
|
| -
|
| -# This test cannot be performed prior to HP-UX 10.30, because ptrace-based
|
| -# debugging of a vforking program basically doesn't allow the child to do
|
| -# things like hit a breakpoint between a vfork and exec. This means that
|
| -# saying "set follow-fork child; next" at a vfork() call won't work, because
|
| -# the implementation of "next" sets a "step resume" breakpoint at the
|
| -# return from the vfork(), which the child will hit on its way to exec'ing.
|
| -#
|
| - if { ![istarget "hppa*-*-hpux11.*"] } {
|
| - verbose "vfork child-following next test ignored for non-hppa or pre-HP/UX-10.30 targets."
|
| + global srcfile2
|
| +
|
| + if { [istarget "hppa*-*-hpux*"] && ![istarget "hppa*-*-hpux11.*"] } {
|
| + # This test cannot be performed prior to HP-UX 10.30, because
|
| + # ptrace-based debugging of a vforking program basically doesn't
|
| + # allow the child to do things like hit a breakpoint between a
|
| + # vfork and exec. This means that saying "set follow-fork
|
| + # child; next" at a vfork() call won't work, because the
|
| + # implementation of "next" sets a "step resume" breakpoint at
|
| + # the return from the vfork(), which the child will hit on its
|
| + # way to exec'ing.
|
| + #
|
| + verbose "vfork child-following next test ignored for pre-HP/UX-10.30 targets."
|
| return 0
|
| }
|
|
|
| - send_gdb "set follow-fork child\n"
|
| - gdb_expect {
|
| - -re "$gdb_prompt $" {pass "set follow-fork child, vfork and exec through step"}
|
| - timeout {fail "set follow-fork child, vfork and exec through step"}
|
| - }
|
| - send_gdb "next\n"
|
| - gdb_expect {
|
| - -re "Attaching after fork to.*Executing new program.*Breakpoint.*vforked-prog.c:9.*$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" }
|
| + setup_gdb
|
| +
|
| + gdb_test_no_output "set follow-fork child"
|
| +
|
| + set test "step over vfork"
|
| + if { [istarget "hppa*-*-hpux*"]} {
|
| + # Since the child cannot be debugged until after it has exec'd,
|
| + # and since there's a bp on "main" in the parent, and since the
|
| + # bp's for the parent are recomputed in the exec'd child, the
|
| + # step through a vfork should land us in the "main" for the
|
| + # exec'd child, too.
|
| + #
|
| + set linenum [gdb_get_line_number "printf(\"Hello from vforked-prog" ${srcfile2}]
|
| + gdb_test_multiple "next" $test {
|
| + -re "Attaching after fork to.*Executing new program.*Breakpoint.*vforked-prog.c:${linenum}.*$gdb_prompt " {
|
| + pass "$test"
|
| + }
|
| + }
|
| + } else {
|
| + # The ideal support is to be able to debug the child even
|
| + # before it execs. Thus, "next" lands on the next line after
|
| + # the vfork.
|
| + gdb_test_multiple "next" $test {
|
| + -re "Attaching after .* vfork to child.*if \\(pid == 0\\).*$gdb_prompt " {
|
| + pass "$test"
|
| + }
|
| + }
|
| }
|
| # The parent has been detached; allow time for any output it might
|
| # generate to arrive, so that output doesn't get confused with
|
| # any expected debugger output from a subsequent testpoint.
|
| #
|
| exec sleep 1
|
| -
|
| - # Explicitly kill this child, or a subsequent rerun actually runs
|
| - # the exec'd child, not the original program...
|
| - send_gdb "kill\n"
|
| - gdb_expect {
|
| - -re ".*Kill the program being debugged.*y or n. $" {
|
| - gdb_test_no_output "y" ""
|
| - send_gdb "file $binfile\n"
|
| - gdb_expect {
|
| - -re ".*Load new symbol table from.*y or n. $" {
|
| - send_gdb "y\n"
|
| - gdb_expect {
|
| - -re "Reading symbols from.*$gdb_prompt $" {}
|
| - timeout { fail "loading symbols (timeout)"; return }
|
| - }
|
| - }
|
| - -re ".*gdb_prompt $" {}
|
| - timeout { fail "loading symbols (timeout)"; return }
|
| - }
|
| - }
|
| - -re ".*$gdb_prompt $" {}
|
| - timeout { fail "killing inferior (timeout)" ; return }
|
| - }
|
| -}
|
| +}}
|
|
|
| proc tcatch_vfork_then_parent_follow {} {
|
| + with_test_prefix "vfork parent follow, finish after tcatch vfork" {
|
| global gdb_prompt
|
| global srcfile
|
|
|
| - send_gdb "set follow-fork parent\n"
|
| - gdb_expect {
|
| - -re "$gdb_prompt $" {pass "set follow-fork parent, tcatch vfork"}
|
| - timeout {fail "set follow-fork parent, tcatch vfork"}
|
| - }
|
| - send_gdb "tcatch vfork\n"
|
| - gdb_expect {
|
| - -re "Catchpoint .*(vfork).*$gdb_prompt $"\
|
| - {pass "vfork parent follow, set tcatch vfork"}
|
| - -re "$gdb_prompt $" {fail "vfork parent follow, set tcatch vfork"}
|
| - timeout {fail "(timeout) vfork parent follow, set tcatch vfork"}
|
| - }
|
| - send_gdb "continue\n"
|
| -# 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|__kernel_v?syscall).*$gdb_prompt "\
|
| - {pass "vfork parent follow, tcatch vfork"}
|
| - -re "vfork \\(\\) at.*$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"}
|
| + setup_gdb
|
| +
|
| + gdb_test_no_output "set follow-fork parent"
|
| +
|
| + gdb_test "tcatch vfork" "Catchpoint .*(vfork).*"
|
| +
|
| + # HP-UX 10.20 seems to stop you in "vfork", while more recent
|
| + # HP-UXs stop you in "_vfork".
|
| + set test "continue to vfork"
|
| + gdb_test_multiple "continue" $test {
|
| + -re "0x\[0-9a-fA-F\]*.*(vfork|__kernel_v?syscall).*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| + -re "vfork \\(\\) at.*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| }
|
| - send_gdb "finish\n"
|
| - 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"}
|
| +
|
| + set linenum [gdb_get_line_number "pid = vfork ();"]
|
| + set test "finish"
|
| + gdb_test_multiple "finish" $test {
|
| + -re "Run till exit from.*vfork.*0x\[0-9a-fA-F\]* in main .* at .*${srcfile}:${linenum}.*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| -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 $" {fail "vfork parent follow, finish after tcatch vfork"}
|
| - timeout {fail "(timeout) vfork parent follow, finish after tcatch vfork" }
|
| }
|
| # The child has been detached; allow time for any output it might
|
| # generate to arrive, so that output doesn't get confused with
|
| # any expected debugger output from a subsequent testpoint.
|
| #
|
| exec sleep 1
|
| -}
|
| +}}
|
|
|
| -proc tcatch_vfork_then_child_follow {} {
|
| +proc tcatch_vfork_then_child_follow_exec {} {
|
| + with_test_prefix "vfork child follow, finish after tcatch vfork" {
|
| global gdb_prompt
|
| global srcfile
|
| global srcfile2
|
|
|
| - send_gdb "set follow-fork child\n"
|
| - gdb_expect {
|
| - -re "$gdb_prompt $" {pass "set follow-fork child, tcatch vfork"}
|
| - timeout {fail "set follow-fork child, tcatch vfork"}
|
| + setup_gdb
|
| +
|
| + gdb_test_no_output "set follow-fork child"
|
| +
|
| + gdb_test "tcatch vfork" "Catchpoint .*(vfork).*"
|
| +
|
| + # HP-UX 10.20 seems to stop you in "vfork", while more recent HP-UXs
|
| + # stop you in "_vfork".
|
| + set test "continue to vfork"
|
| + gdb_test_multiple "continue" $test {
|
| + -re "vfork \\(\\) at .*$gdb_prompt $" {
|
| + pass $test
|
| + }
|
| + -re "0x\[0-9a-fA-F\]*.*(vfork|__kernel_v?syscall).*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| }
|
| - send_gdb "tcatch vfork\n"
|
| - gdb_expect {
|
| - -re "Catchpoint .*(vfork).*$gdb_prompt $"\
|
| - {pass "vfork child follow, set tcatch vfork"}
|
| - -re "$gdb_prompt $" {fail "vfork child follow, set tcatch vfork"}
|
| - timeout {fail "(timeout) vfork child follow, set tcatch vfork"}
|
| +
|
| + set linenum1 [gdb_get_line_number "pid = vfork ();"]
|
| + set linenum2 [gdb_get_line_number "printf(\"Hello from vforked-prog" ${srcfile2}]
|
| +
|
| + set test "finish"
|
| + gdb_test_multiple "finish" $test {
|
| + -re "Run till exit from.*vfork.*${srcfile}:${linenum1}.*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| + -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}:${linenum2}.*$gdb_prompt " {
|
| + pass "$test (followed exec)"
|
| + }
|
| }
|
| - send_gdb "continue\n"
|
| -# HP-UX 10.20 seems to stop you in "vfork", while more recent HP-UXs
|
| -# stop you in "_vfork".
|
| - gdb_expect {
|
| - -re "vfork \\(\\) at .*$gdb_prompt $"\
|
| - {pass "vfork child follow, tcatch vfork"}
|
| - -re "0x\[0-9a-fA-F\]*.*(vfork|__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"}
|
| + # The parent has been detached; allow time for any output it might
|
| + # generate to arrive, so that output doesn't get confused with
|
| + # any expected debugger output from a subsequent testpoint.
|
| + #
|
| + exec sleep 1
|
| +}}
|
| +
|
| +proc tcatch_vfork_then_child_follow_exit {} {
|
| + with_test_prefix "vfork child follow, finish after tcatch vfork" {
|
| + global gdb_prompt
|
| + global srcfile
|
| +
|
| + setup_gdb
|
| +
|
| + gdb_test_no_output "set follow-fork child"
|
| +
|
| + gdb_test "tcatch vfork" "Catchpoint .*(vfork).*"
|
| +
|
| + # HP-UX 10.20 seems to stop you in "vfork", while more recent HP-UXs
|
| + # stop you in "_vfork".
|
| + set test "continue to vfork"
|
| + gdb_test_multiple "continue" $test {
|
| + -re "vfork \\(\\) at .*$gdb_prompt $" {
|
| + pass $test
|
| + }
|
| + -re "0x\[0-9a-fA-F\]*.*(vfork|__kernel_v?syscall).*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| }
|
| - send_gdb "finish\n"
|
| - gdb_expect {
|
| - -re "Run till exit from.*vfork.*${srcfile}:12.*$gdb_prompt "\
|
| - {pass "vfork child follow, finish after tcatch vfork"}
|
| +
|
| + set test "finish"
|
| + gdb_test_multiple "finish" $test {
|
| + -re "Run till exit from.*vfork.*exited normally.*$gdb_prompt " {
|
| + setup_kfail "gdb/14762" *-*-*
|
| + fail $test
|
| + }
|
| + -re "Run till exit from.*vfork.*pid = vfork \\(\\).*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| -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" }
|
| }
|
| # The parent has been detached; allow time for any output it might
|
| # generate to arrive, so that output doesn't get confused with
|
| # any expected debugger output from a subsequent testpoint.
|
| #
|
| exec sleep 1
|
| -}
|
| +}}
|
|
|
| -proc do_vfork_and_exec_tests {} {
|
| +proc vfork_relations_in_info_inferiors { variant } {
|
| + with_test_prefix "vfork relations in info inferiors" {
|
| 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 }
|
| + setup_gdb
|
| +
|
| + gdb_test_no_output "set follow-fork child"
|
| +
|
| + set test "step over vfork"
|
| + gdb_test_multiple "next" $test {
|
| + -re "Attaching after .* vfork to child.*if \\(pid == 0\\).*$gdb_prompt " {
|
| + pass "$test"
|
| + }
|
| + }
|
| +
|
| + gdb_test "info inferiors" \
|
| + ".*is vfork child of inferior 1.*is vfork parent of inferior 2" \
|
| + "info inferiors shows vfork parent/child relation"
|
| +
|
| + if { $variant == "exec" } {
|
| + global srcfile2
|
| +
|
| + set linenum [gdb_get_line_number "printf(\"Hello from vforked-prog" ${srcfile2}]
|
| + set test "continue to bp"
|
| + gdb_test_multiple "continue" $test {
|
| + -re ".*xecuting new program.*Breakpoint.*vforked-prog.c:${linenum}.*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| + }
|
| + } else {
|
| + set test "continue to child exit"
|
| + gdb_test_multiple "continue" $test {
|
| + -re "exited normally.*$gdb_prompt " {
|
| + pass $test
|
| + }
|
| + }
|
| + }
|
| +
|
| + set test "vfork relation no longer appears in info inferiors"
|
| + gdb_test_multiple "info inferiors" $test {
|
| + -re "is vfork child of inferior 1.*$gdb_prompt $" {
|
| + fail $test
|
| + }
|
| + -re "is vfork parent of inferior 2.*$gdb_prompt $" {
|
| + fail $test
|
| + }
|
| + -re "$gdb_prompt $" {
|
| + pass $test
|
| + }
|
| + }
|
| +}}
|
| +
|
| +proc do_vfork_and_follow_parent_tests {} {
|
| + global gdb_prompt
|
|
|
| # 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 }
|
| + vfork_parent_follow_through_step
|
|
|
| # Try following the parent process by setting a breakpoint on the
|
| # other side of a vfork, and running to that point. Do this
|
| # without catchpoints.
|
| - if [runto_main] then { vfork_parent_follow_to_bp }
|
| + vfork_parent_follow_to_bp
|
| +
|
| + # Try catching a vfork, and stepping out to the parent.
|
| + #
|
| + tcatch_vfork_then_parent_follow
|
| +}
|
|
|
| +proc do_vfork_and_follow_child_tests_exec {} {
|
| # Try following the child process by just continuing through the
|
| # vfork, and letting the parent's breakpoint on "main" be auto-
|
| # magically reset in the child.
|
| #
|
| - if [runto_main] then { vfork_and_exec_child_follow_to_main_bp }
|
| + vfork_and_exec_child_follow_to_main_bp
|
|
|
| # Try following the child process by stepping through a call to
|
| # vfork. The child also executes an exec. Since the child cannot
|
| @@ -362,15 +475,11 @@ proc do_vfork_and_exec_tests {} {
|
| # recomputed in the exec'd child, the step through a vfork should
|
| # land us in the "main" for the exec'd child, too.
|
| #
|
| - if [runto_main] then { vfork_and_exec_child_follow_through_step }
|
| -
|
| - # Try catching a vfork, and stepping out to the parent.
|
| - #
|
| - if [runto_main] then { tcatch_vfork_then_parent_follow }
|
| + vfork_and_exec_child_follow_through_step
|
|
|
| # Try catching a vfork, and stepping out to the child.
|
| #
|
| - if [runto_main] then { tcatch_vfork_then_child_follow }
|
| + tcatch_vfork_then_child_follow_exec
|
|
|
| # Test the ability to follow both child and parent of a vfork. Do
|
| # this without catchpoints.
|
| @@ -382,24 +491,76 @@ proc do_vfork_and_exec_tests {} {
|
| # catchpoints.
|
| # ??rehrauer: NYI. Will add testpoints here when implemented.
|
| #
|
| +
|
| + # Step over a vfork in the child, do "info inferiors" and check the
|
| + # parent/child relation is displayed. Run the child over the exec,
|
| + # and confirm the relation is no longer displayed in "info
|
| + # inferiors".
|
| + #
|
| + vfork_relations_in_info_inferiors "exec"
|
| +}
|
| +
|
| +proc do_vfork_and_follow_child_tests_exit {} {
|
| + # Try following the child process by just continuing through the
|
| + # vfork, and letting the child exit.
|
| + #
|
| + vfork_child_follow_to_exit
|
| +
|
| + # Try catching a vfork, and stepping out to the child.
|
| + #
|
| + tcatch_vfork_then_child_follow_exit
|
| +
|
| + # Step over a vfork in the child, do "info inferiors" and check the
|
| + # parent/child relation is displayed. Run the child to completion,
|
| + # and confirm the relation is no longer displayed in "info
|
| + # inferiors".
|
| + #
|
| + vfork_relations_in_info_inferiors "exit"
|
| }
|
|
|
| -# Start with a fresh gdb
|
| +with_test_prefix "check vfork support" {
|
| + # Check that vfork catchpoints are supported, as an indicator for
|
| + # whether vfork-following is supported.
|
| + check_vfork_catchpoints
|
| +}
|
|
|
| -gdb_exit
|
| -gdb_start
|
| -gdb_reinitialize_dir $srcdir/$subdir
|
| -gdb_load ${binfile}
|
| +# Follow parent and follow child vfork tests with a child that execs.
|
| +with_test_prefix "exec" {
|
| + # These are tests of gdb's ability to follow the parent of a Unix
|
| + # vfork system call. The child will subsequently call a variant
|
| + # of the Unix exec system call.
|
| + do_vfork_and_follow_parent_tests
|
| +
|
| + # These are tests of gdb's ability to follow the child of a Unix
|
| + # vfork system call. The child will subsequently call a variant
|
| + # of a Unix exec system call.
|
| + #
|
| + do_vfork_and_follow_child_tests_exec
|
| +}
|
|
|
| -# The "Detaching..." and "Attaching..." messages may be hidden by
|
| -# default.
|
| -gdb_test_no_output "set verbose"
|
| +# Switch to test the case of the child exiting. We can't use
|
| +# standard_testfile here because we don't want to overwrite the binary
|
| +# of the previous tests.
|
| +set testfile "foll-vfork-exit"
|
| +set srcfile ${testfile}.c
|
| +set binfile [standard_output_file ${testfile}]
|
|
|
| -# This is a test of gdb's ability to follow the parent or child
|
| -# of a Unix vfork() system call. (The child will subsequently
|
| -# call a variant of a Unix exec() system call.)
|
| -#
|
| -do_vfork_and_exec_tests
|
| +if {[build_executable $testfile.exp $testfile $srcfile] == -1} {
|
| + untested "failed to build $testfile"
|
| + return
|
| +}
|
| +
|
| +# Follow parent and follow child vfork tests with a child that exits.
|
| +with_test_prefix "exit" {
|
| + # These are tests of gdb's ability to follow the parent of a Unix
|
| + # vfork system call. The child will subsequently exit.
|
| + do_vfork_and_follow_parent_tests
|
| +
|
| + # These are tests of gdb's ability to follow the child of a Unix
|
| + # vfork system call. The child will subsequently exit.
|
| + #
|
| + do_vfork_and_follow_child_tests_exit
|
| +}
|
|
|
| set timeout $oldtimeout
|
| return 0
|
|
|