-# Copyright 1997, 1999, 2007, 2008 Free Software Foundation, Inc.
+# Copyright 1997, 1999, 2007, 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
proc default_fork_parent_follow {} {
global gdb_prompt
- send_gdb "show follow\n"
+ send_gdb "show follow-fork\n"
gdb_expect {
-re "Debugger response to a program call of fork or vfork is \"parent\"..*$gdb_prompt $"\
{pass "default show parent follow, no catchpoints"}
proc explicit_fork_parent_follow {} {
global gdb_prompt
- send_gdb "set follow parent\n"
+ send_gdb "set follow-fork parent\n"
gdb_expect {
- -re "$gdb_prompt $" {pass "set follow parent"}
- timeout {fail "(timeout) set follow parent"}
+ -re "$gdb_prompt $" {pass "set follow-fork parent"}
+ timeout {fail "(timeout) set follow-fork parent"}
}
- send_gdb "show follow\n"
+ send_gdb "show follow-fork\n"
gdb_expect {
-re "Debugger response to a program call of fork or vfork is \"parent\"..*$gdb_prompt $"\
{pass "explicit show parent follow, no catchpoints"}
proc explicit_fork_child_follow {} {
global gdb_prompt
- send_gdb "set follow child\n"
+ send_gdb "set follow-fork child\n"
gdb_expect {
- -re "$gdb_prompt $" {pass "set follow child"}
- timeout {fail "(timeout) set follow child"}
+ -re "$gdb_prompt $" {pass "set follow-fork child"}
+ timeout {fail "(timeout) set follow-fork child"}
}
- send_gdb "show follow\n"
+ send_gdb "show follow-fork\n"
gdb_expect {
-re "Debugger response to a program call of fork or vfork is \"child\"..*$gdb_prompt $"\
{pass "explicit show child follow, no catchpoints"}
}
send_gdb "next 2\n"
gdb_expect {
- -re "Attaching after fork to.*$gdb_prompt $"\
+ -re "Attaching after.* fork to.*$gdb_prompt $"\
{pass "explicit child follow, no catchpoints"}
-re "$gdb_prompt $" {fail "explicit child follow, no catchpoints"}
timeout {fail "(timeout) explicit child follow, no catchpoints"}
global gdb_prompt
global srcfile
+ set bp_after_fork [gdb_get_line_number "set breakpoint here"]
+
send_gdb "catch fork\n"
gdb_expect {
-re "Catchpoint .*(fork).*$gdb_prompt $"\
send_gdb "continue\n"
gdb_expect {
- -re "Catchpoint.*(forked process.*),.*in .*(fork|__kernel_vsyscall).*$gdb_prompt $"\
+ -re "Catchpoint.*(forked process.*),.*in .*(fork|__kernel_v?syscall).*$gdb_prompt $"\
{pass "explicit child follow, catch fork"}
-re "$gdb_prompt $" {fail "explicit child follow, catch fork"}
timeout {fail "(timeout) explicit child follow, catch fork"}
}
}
- send_gdb "set follow child\n"
+ send_gdb "set follow-fork child\n"
gdb_expect {
- -re "$gdb_prompt $" {pass "set follow child"}
- timeout {fail "(timeout) set follow child"}
+ -re "$gdb_prompt $" {pass "set follow-fork child"}
+ timeout {fail "(timeout) set follow-fork child"}
}
- send_gdb "tbreak ${srcfile}:24\n"
+ send_gdb "tbreak ${srcfile}:$bp_after_fork\n"
gdb_expect {
- -re "Temporary breakpoint.*, line 24.*$gdb_prompt $"\
- {pass "set follow child, tbreak"}
- -re "$gdb_prompt $" {fail "set follow child, tbreak"}
- timeout {fail "(timeout) set follow child, tbreak"}
+ -re "Temporary breakpoint.*, line $bp_after_fork.*$gdb_prompt $"\
+ {pass "set follow-fork child, tbreak"}
+ -re "$gdb_prompt $" {fail "set follow-fork child, tbreak"}
+ timeout {fail "(timeout) set follow-fork child, tbreak"}
}
send_gdb "continue\n"
gdb_expect {
- -re "Attaching after fork to.* at .*24.*$gdb_prompt $"\
- {pass "set follow child, hit tbreak"}
- -re "$gdb_prompt $" {fail "set follow child, hit tbreak"}
- timeout {fail "(timeout) set follow child, hit tbreak"}
+ -re "Attaching after.* fork to.* at .*$bp_after_fork.*$gdb_prompt $"\
+ {pass "set follow-fork child, hit tbreak"}
+ -re "$gdb_prompt $" {fail "set follow-fork child, hit tbreak"}
+ timeout {fail "(timeout) set follow-fork child, hit tbreak"}
}
- # The child has been detached; allow time for any output it might
+ # The parent has been detached; allow time for any output it might
# generate to arrive, so that output doesn't get confused with
# any expected debugger output from a subsequent testpoint.
#
send_gdb "y\n"
gdb_expect {
-re "$gdb_prompt $"\
- {pass "set follow child, cleanup"}
- timeout {fail "(timeout) set follow child, cleanup"}
+ {pass "set follow-fork child, cleanup"}
+ timeout {fail "(timeout) set follow-fork child, cleanup"}
}
}
- -re "$gdb_prompt $" {fail "set follow child, cleanup"}
- timeout {fail "(timeout) set follow child, cleanup"}
+ -re "$gdb_prompt $" {fail "set follow-fork child, cleanup"}
+ timeout {fail "(timeout) set follow-fork child, cleanup"}
+ }
+}
+
+proc catch_fork_unpatch_child {} {
+ global gdb_prompt
+ global srcfile
+
+ set bp_exit [gdb_get_line_number "at exit"]
+
+ gdb_test "break callee" "file .*$srcfile, line .*" "unpatch child, break at callee"
+ gdb_test "catch fork" "Catchpoint \[0-9\]* \\(fork\\)" "unpatch child, set catch fork"
+
+ gdb_test "continue" \
+ "Catchpoint.*\\(forked process.*\\).*,.*in .*(fork|__kernel_v?syscall).*" \
+ "unpatch child, catch fork"
+
+ # Delete all breakpoints and catchpoints.
+ delete_breakpoints
+
+ gdb_test "break $bp_exit" \
+ "Breakpoint .*file .*$srcfile, line .*" \
+ "unpatch child, breakpoint at exit call"
+
+ gdb_test "set follow-fork child" "" "unpatch child, set follow-fork child"
+
+ set test "unpatch child, unpatched parent breakpoints from child"
+ gdb_test_multiple "continue" $test {
+ -re "at exit.*$gdb_prompt $" {
+ pass "$test"
+ }
+ -re "SIGTRAP.*$gdb_prompt $" {
+ fail "$test"
+
+ # Explicitly kill this child, so we can continue gracefully
+ # with further testing...
+ send_gdb "kill\n"
+ gdb_expect {
+ -re ".*Kill the program being debugged.*y or n. $" {
+ send_gdb "y\n"
+ gdb_expect -re "$gdb_prompt $" {}
+ }
+ }
+ }
+ -re ".*$gdb_prompt $" {
+ fail "$test (unknown output)"
+ }
+ timeout {
+ fail "$test (timeout)"
+ }
}
}
global gdb_prompt
global srcfile
+ set bp_after_fork [gdb_get_line_number "set breakpoint here"]
+
send_gdb "catch fork\n"
gdb_expect {
-re "Catchpoint .*(fork).*$gdb_prompt $"\
send_gdb "continue\n"
gdb_expect {
- -re ".*in .*(fork|__kernel_vsyscall).*$gdb_prompt $"\
+ -re ".*in .*(fork|__kernel_v?syscall).*$gdb_prompt $"\
{pass "explicit parent follow, tcatch fork"}
-re "$gdb_prompt $" {fail "explicit parent follow, tcatch fork"}
timeout {fail "(timeout) explicit parent follow, tcatch fork"}
}
- send_gdb "set follow parent\n"
+ send_gdb "set follow-fork parent\n"
gdb_expect {
- -re "$gdb_prompt $" {pass "set follow parent"}
- timeout {fail "(timeout) set follow parent"}
+ -re "$gdb_prompt $" {pass "set follow-fork parent"}
+ timeout {fail "(timeout) set follow-fork parent"}
}
- send_gdb "tbreak ${srcfile}:24\n"
+ send_gdb "tbreak ${srcfile}:$bp_after_fork\n"
gdb_expect {
- -re "Temporary breakpoint.*, line 24.*$gdb_prompt $"\
- {pass "set follow parent, tbreak"}
- -re "$gdb_prompt $" {fail "set follow parent, tbreak"}
- timeout {fail "(timeout) set follow child, tbreak"}
+ -re "Temporary breakpoint.*, line $bp_after_fork.*$gdb_prompt $"\
+ {pass "set follow-fork parent, tbreak"}
+ -re "$gdb_prompt $" {fail "set follow-fork parent, tbreak"}
+ timeout {fail "(timeout) set follow-fork child, tbreak"}
}
send_gdb "continue\n"
gdb_expect {
- -re ".*Detaching after fork from.* at .*24.*$gdb_prompt $"\
- {pass "set follow parent, hit tbreak"}
- -re "$gdb_prompt $" {fail "set follow parent, hit tbreak"}
- timeout {fail "(timeout) set follow parent, hit tbreak"}
+ -re ".*Detaching after fork from.* at .*$bp_after_fork.*$gdb_prompt $"\
+ {pass "set follow-fork parent, hit tbreak"}
+ -re "$gdb_prompt $" {fail "set follow-fork parent, hit tbreak"}
+ timeout {fail "(timeout) set follow-fork parent, hit tbreak"}
}
# The child has been detached; allow time for any output it might
# generate to arrive, so that output doesn't get confused with
send_gdb "y\n"
gdb_expect {
-re "$gdb_prompt $"\
- {pass "set follow parent, cleanup"}
- timeout {fail "(timeout) set follow parent, cleanup"}
+ {pass "set follow-fork parent, cleanup"}
+ timeout {fail "(timeout) set follow-fork parent, cleanup"}
}
}
- -re "$gdb_prompt $" {fail "set follow parent, cleanup"}
- timeout {fail "(timeout) set follow parent, cleanup"}
+ -re "$gdb_prompt $" {fail "set follow-fork parent, cleanup"}
+ timeout {fail "(timeout) set follow-fork parent, cleanup"}
}
}
.*child - the new process is debugged after a fork.*
The unfollowed process will continue to run..*
By default, the debugger will follow the parent process..*$gdb_prompt $"\
- { pass "help set follow" }
+ { pass "help set follow-fork" }
-re "$gdb_prompt $" { fail "help set follow" }
- timeout { fail "(timeout) help set follow" }
+ timeout { fail "(timeout) help set follow-fork" }
}
# Verify that we can set follow-fork-mode, using an abbreviation
# for both the flag and its value.
#
- send_gdb "set follow ch\n"
- send_gdb "show fol\n"
+ send_gdb "set follow-fork ch\n"
+ send_gdb "show follow-fork\n"
gdb_expect {
-re "Debugger response to a program call of fork or vfork is \"child\".*$gdb_prompt $"\
- {pass "set follow, using abbreviations"}
- timeout {fail "(timeout) set follow, using abbreviations"}
+ {pass "set follow-fork, using abbreviations"}
+ timeout {fail "(timeout) set follow-fork, using abbreviations"}
}
# Verify that we cannot set follow-fork-mode to nonsense.
#
- send_gdb "set follow chork\n"
+ send_gdb "set follow-fork chork\n"
gdb_expect {
-re "Undefined item: \"chork\".*$gdb_prompt $"\
- {pass "set follow to nonsense is prohibited"}
- -re "$gdb_prompt $" {fail "set follow to nonsense is prohibited"}
- timeout {fail "(timeout) set follow to nonsense is prohibited"}
+ {pass "set follow-fork to nonsense is prohibited"}
+ -re "$gdb_prompt $" {fail "set follow-fork to nonsense is prohibited"}
+ timeout {fail "(timeout) set follow-fork to nonsense is prohibited"}
}
- send_gdb "set follow parent\n"
+ send_gdb "set follow-fork parent\n"
gdb_expect {
- -re "$gdb_prompt $" {pass "set follow to nonsense is prohibited (reset parent)"}
- timeout {fail "set follow to nonsense is prohibited (reset parent)"}
+ -re "$gdb_prompt $" {pass "set follow-fork to nonsense is prohibited (reset parent)"}
+ timeout {fail "set follow-fork to nonsense is prohibited (reset parent)"}
}
# Check that fork catchpoints are supported, as an indicator for whether
#
if [runto_main] then { catch_fork_child_follow }
+ # Test that parent breakpoints are successfully detached from the
+ # child at fork time, even if the user removes them from the
+ # breakpoints list after stopping at a fork catchpoint.
+ if [runto_main] then { catch_fork_unpatch_child }
+
# Test the ability to catch a fork, specify via a -do clause that
# the parent be followed, and continue. Make the catchpoint temporary.
#
projects / deliverable / binutils-gdb.git / blobdiff