# Copyright 1997, 1999 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
# (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
if $tracelevel then {
strace $tracelevel
}
if { ![isnative] } then {
continue
}
set prms_id 0
set bug_id 0
set testfile "foll-exec"
set testfile2 "execd-prog"
set srcfile ${testfile}.c
set srcfile2 ${testfile2}.c
set binfile ${objdir}/${subdir}/${testfile}
set binfile2 ${objdir}/${subdir}/${testfile2}
# build the first test case
if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } {
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}
# Until "catch exec" is implemented on other targets...
#
if ![istarget "hppa*-hp-hpux*"] then {
continue
}
proc zap_session {} {
global gdb_prompt
global binfile
send_gdb "kill\n"
gdb_expect {
-re ".*Kill the program being debugged.*y or n. $" {
send_gdb "y\n"
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 do_exec_tests {} {
global gdb_prompt
global binfile
global srcfile
global srcfile2
global testfile
global testfile2
# Start the program running, and stop at main.
#
if ![runto_main] then {
perror "Couldn't run ${testfile}"
return
}
# Verify that we can see various global and local variables
# in this program, and that they have expected values. Some
# of these variables are also declared in the program we'll
# exec in a moment.
#
send_gdb "next 3\n"
gdb_expect {
-re "20.*execlp.*$gdb_prompt $"\
{pass "step to exec call"}
-re "$gdb_prompt $" {fail "step to exec call"}
timeout {fail "(timeout) step to exec call"}
}
send_gdb "print global_i\n"
gdb_expect {
-re ".* = 100.*$gdb_prompt $"\
{pass "print follow-exec/global_i"}
-re "$gdb_prompt $" {fail "print follow-exec/global_i"}
timeout {fail "(timeout) print follow-exec/global_i"}
}
send_gdb "print local_j\n"
gdb_expect {
-re ".* = 101.*$gdb_prompt $"\
{pass "print follow-exec/local_j"}
-re "$gdb_prompt $" {fail "print follow-exec/local_j"}
timeout {fail "(timeout) print follow-exec/local_j"}
}
send_gdb "print local_k\n"
gdb_expect {
-re ".* = 102.*$gdb_prompt $"\
{pass "print follow-exec/local_k"}
-re "$gdb_prompt $" {fail "print follow-exec/local_k"}
timeout {fail "(timeout) print follow-exec/local_k"}
}
# Try stepping through an execlp call, without catching it.
# We should stop in execd-program, at its first statement.
#
send_gdb "next\n"
gdb_expect {
-re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\
{pass "step through execlp call"}
-re "$gdb_prompt $" {fail "step through execlp call"}
timeout {fail "(timeout) step through execlp call"}
}
# Verify that we can see the variables defined in the newly-exec'd
# program, and CANNOT see those defined in the exec'ing program.
#
send_gdb "next\n"
gdb_expect {
-re "26.*printf.*$gdb_prompt $"\
{pass "step after execlp call"}
-re "$gdb_prompt $" {fail "step after execlp call"}
timeout {fail "(timeout) step after execlp call"}
}
send_gdb "print global_i\n"
gdb_expect {
-re ".* = 0.*$gdb_prompt $"\
{pass "print execd-program/global_i (after execlp)"}
-re "$gdb_prompt $" {fail "print execd-program/global_i (after execlp)"}
timeout {fail "(timeout) print execd-program/global_i (after execlp)"}
}
send_gdb "print local_j\n"
gdb_expect {
-re ".* = 2.*$gdb_prompt $"\
{pass "print execd-program/local_j (after execlp)"}
-re "$gdb_prompt $" {fail "print execd-program/local_j (after execlp)"}
timeout {fail "(timeout) print execd-program/local_j (after execlp)"}
}
send_gdb "print local_k\n"
gdb_expect {
-re "No symbol \"local_k\" in current context.*$gdb_prompt $"\
{pass "print follow-exec/local_k (after execlp)"}
-re "$gdb_prompt $" {fail "print follow-exec/local_k (after execlp)"}
timeout {fail "(timeout) print follow-exec/local_k (after execlp)"}
}
# Explicitly kill this program, or a subsequent rerun actually runs
# the exec'd program, not the original program...
zap_session
# Start the program running, and stop at main.
#
if ![runto_main] then {
perror "Couldn't run ${testfile} (2nd try)"
return
}
# Verify that we can catch an exec event, and then continue
# to follow through the exec. (Since there's a breakpoint on
# "main", it'll also be transferred to the exec'd program,
# and we expect to stop there.)
#
send_gdb "catch exec\n"
gdb_expect {
-re "Catchpoint .*(exec).*$gdb_prompt $"\
{pass "set catch exec"}
-re "$gdb_prompt $" {fail "set catch exec"}
timeout {fail "(timeout) set catch exec"}
}
# Verify that the catchpoint is mentioned in an "info breakpoints",
# and further that the catchpoint mentions no program name.
#
send_gdb "info breakpoints\n"
gdb_expect {
-re ".*catch exec.*keep y.*$gdb_prompt $"\
{pass "info shows catchpoint without exec pathname"}
-re ".*catch exec.*program \"\".*$gdb_prompt $"\
{fail "info shows catchpoint without exec pathname"}
-re "$gdb_prompt $" {fail "info shows catchpoint without exec pathname"}
timeout {fail "(timeout) info shows catchpoint without exec pathname"}
}
# DTS CLLbs16760
# PA64 doesn't know about $START$ in dld.sl at this point. It should.
# - Michael Coulter
setup_xfail hppa2.0w-hp-hpux* CLLbs16760
send_gdb "continue\n"
gdb_expect {
-re ".*Executing new program:.*${testfile2}.*Catchpoint .*(exec\'d .*${testfile2}).*in .START..*$gdb_prompt $"\
{pass "hit catch exec"}
-re "$gdb_prompt $" {fail "hit catch exec"}
timeout {fail "(timeout) hit catch exec"}
}
# DTS CLLbs16760
# test gets out of sync if previous test fails.
gdb_test "bt" ".*" "sync up after possible failure 1"
gdb_test "bt" "#0.*" "sync up after possible failure 2"
# Verify that the catchpoint is mentioned in an "info breakpoints",
# and further that the catchpoint managed to capture the exec'd
# program's name.
#
send_gdb "info breakpoints\n"
gdb_expect {
-re ".*catch exec .*program \".*${testfile2}\".*$gdb_prompt $"\
{pass "info shows catchpoint exec pathname"}
-re "$gdb_prompt $" {fail "info shows catchpoint exec pathname"}
timeout {fail "(timeout) info shows catchpoint exec pathname"}
}
# Verify that we can continue from the catchpoint, and land in the
# main of the newly-exec'd program.
#
send_gdb "continue\n"
gdb_expect {
-re ".*${srcfile2}:23.*$gdb_prompt $"\
{pass "continue after hit catch exec"}
-re "$gdb_prompt $" {fail "continue after hit catch exec"}
timeout {fail "(timeout) continue after hit catch exec"}
}
# Explicitly kill this program, or a subsequent rerun actually runs
# the exec'd program, not the original program...
zap_session
# Start the program running, and stop at main.
#
if ![runto_main] then {
perror "Couldn't run ${testfile} (3rd try)"
return
}
# Verify that we can follow through follow an execl()
# call. (We must jump around earlier exec* calls.)
#
send_gdb "tbreak 27\n"
gdb_expect {
-re "Breakpoint .*file .*${srcfile}, line 27.*$gdb_prompt $"\
{pass "prepare to jump to execl call"}
-re "$gdb_prompt $" {fail "prepare to jump to execl call"}
timeout {fail "(timeout) prepare to jump to execl call"}
}
send_gdb "jump 27\n"
gdb_expect {
-re "main.* at .*${srcfile}:27.*$gdb_prompt $"\
{pass "jump to execl call"}
-re "$gdb_prompt $" {fail "jump to execl call"}
timeout {fail "(timeout) jump to execl call"}
}
# Note that stepping through an exec call causes the step-count
# to be reset to zero. I.e.: you may specify "next 2" at the
# call, but you'll actually stop at the first breakpoint set in
# the newly-exec'd program, not after the remaining step-count
# reaches zero.
#
send_gdb "next 2\n"
gdb_expect {
-re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\
{pass "step through execl call"}
-re "$gdb_prompt $" {fail "step through execl call"}
timeout {fail "(timeout) step through execl call"}
}
send_gdb "next\n"
gdb_expect {
-re "26.*printf.*$gdb_prompt $"\
{pass "step after execl call"}
-re "$gdb_prompt $" {fail "step after execl call"}
timeout {fail "(timeout) step after execl call"}
}
# Verify that we can print a local variable (which happens to be
# assigned the value of main's argc).
#
send_gdb "print local_j\n"
gdb_expect {
-re ".* = 3.*$gdb_prompt $"\
{pass "print execd-program/local_j (after execl)"}
-re "$gdb_prompt $" {fail "print execd-program/local_j (after execl)"}
timeout {fail "(timeout) print execd-program/local_j (after execl)"}
}
# Explicitly kill this program, or a subsequent rerun actually runs
# the exec'd program, not the original program...
zap_session
# Start the program running, and stop at main.
#
if ![runto_main] then {
perror "Couldn't run ${testfile} (4th try)"
return
}
# Verify that we can follow through follow an execv()
# call. (We must jump around earlier exec* calls.)
#
send_gdb "tbreak 41\n"
gdb_expect {
-re "Breakpoint .*file .*${srcfile}, line 41.*$gdb_prompt $"\
{pass "prepare to jump to execv call"}
-re "$gdb_prompt $" {fail "prepare to jump to execv call"}
timeout {fail "(timeout) prepare to jump to execv call"}
}
send_gdb "jump 41\n"
gdb_expect {
-re "main.* at .*${srcfile}:41.*$gdb_prompt $"\
{pass "jump to execv call"}
-re "$gdb_prompt $" {fail "jump to execv call"}
timeout {fail "(timeout) jump to execv call"}
}
send_gdb "next\n"
gdb_expect {
-re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\
{pass "step through execv call"}
-re "$gdb_prompt $" {fail "step through execv call"}
timeout {fail "(timeout) step through execv call"}
}
send_gdb "next\n"
gdb_expect {
-re "26.*printf.*$gdb_prompt $"\
{pass "step after execv call"}
-re "$gdb_prompt $" {fail "step after execv call"}
timeout {fail "(timeout) step after execv call"}
}
# Verify that we can print a local variable (which happens to be
# assigned the value of main's argc).
#
send_gdb "print local_j\n"
gdb_expect {
-re ".* = 2.*$gdb_prompt $"\
{pass "print execd-program/local_j (after execv)"}
-re "$gdb_prompt $" {fail "print execd-program/local_j (after execv)"}
timeout {fail "(timeout) print execd-program/local_j (after execv)"}
}
# Explicitly kill this program, or a subsequent rerun actually runs
# the exec'd program, not the original program...
zap_session
# Start the program running, and stop at main.
#
if ![runto_main] then {
perror "Couldn't run ${testfile} (5th try)"
return
}
# Verify that we can just continue and thereby follow through an
# exec call. (Since the breakpoint on "main" is reset, we should
# just stop in main of the newly-exec'd program.)
#
send_gdb "continue\n"
gdb_expect {
-re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\
{pass "continue through exec"}
-re "$gdb_prompt $" {fail "continue through exec"}
timeout {fail "(timeout) continue through exec"}
}
}
# Start with a fresh gdb
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
# This is a test of gdb's ability to follow a process through a
# Unix exec() system call.
#
do_exec_tests
return 0