401 lines
14 KiB
Plaintext
401 lines
14 KiB
Plaintext
# Copyright (C) 1997 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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if $tracelevel then {
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strace $tracelevel
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}
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if { ![isnative] } then {
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continue
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}
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set prms_id 0
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set bug_id 0
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set testfile "foll-exec"
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set testfile2 "execd-prog"
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set srcfile ${testfile}.c
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set srcfile2 ${testfile2}.c
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set binfile ${objdir}/${subdir}/${testfile}
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set binfile2 ${objdir}/${subdir}/${testfile2}
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# build the first test case
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } {
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gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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}
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# Until "catch exec" is implemented on other targets...
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#
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if ![istarget "hppa*-hp-hpux*"] then {
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continue
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}
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proc zap_session {} {
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global gdb_prompt
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global binfile
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send_gdb "kill\n"
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gdb_expect {
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-re ".*Kill the program being debugged.*y or n. $" {
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send_gdb "y\n"
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send_gdb "file $binfile\n"
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gdb_expect {
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-re ".*Load new symbol table from.*y or n. $" {
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send_gdb "y\n"
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gdb_expect {
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-re "Reading symbols from.*$gdb_prompt $" {}
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timeout { fail "loading symbols (timeout)"; return }
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}
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}
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-re ".*gdb_prompt $" {}
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timeout { fail "loading symbols (timeout)"; return }
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}
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}
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-re ".*$gdb_prompt $" {}
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timeout { fail "killing inferior (timeout)" ; return }
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}
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}
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proc do_exec_tests {} {
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global gdb_prompt
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global binfile
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global srcfile
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global srcfile2
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global testfile
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global testfile2
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# Start the program running, and stop at main.
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#
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if ![runto_main] then {
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perror "Couldn't run ${testfile}"
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return
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}
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# Verify that we can see various global and local variables
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# in this program, and that they have expected values. Some
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# of these variables are also declared in the program we'll
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# exec in a moment.
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#
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send_gdb "next 3\n"
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gdb_expect {
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-re "20.*execlp.*$gdb_prompt $"\
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{pass "step to exec call"}
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-re "$gdb_prompt $" {fail "step to exec call"}
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timeout {fail "(timeout) step to exec call"}
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}
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send_gdb "print global_i\n"
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gdb_expect {
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-re ".* = 100.*$gdb_prompt $"\
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{pass "print follow-exec/global_i"}
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-re "$gdb_prompt $" {fail "print follow-exec/global_i"}
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timeout {fail "(timeout) print follow-exec/global_i"}
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}
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send_gdb "print local_j\n"
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gdb_expect {
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-re ".* = 101.*$gdb_prompt $"\
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{pass "print follow-exec/local_j"}
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-re "$gdb_prompt $" {fail "print follow-exec/local_j"}
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timeout {fail "(timeout) print follow-exec/local_j"}
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}
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send_gdb "print local_k\n"
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gdb_expect {
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-re ".* = 102.*$gdb_prompt $"\
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{pass "print follow-exec/local_k"}
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-re "$gdb_prompt $" {fail "print follow-exec/local_k"}
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timeout {fail "(timeout) print follow-exec/local_k"}
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}
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# Try stepping through an execlp call, without catching it.
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# We should stop in execd-program, at its first statement.
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#
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send_gdb "next\n"
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gdb_expect {
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-re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\
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{pass "step through execlp call"}
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-re "$gdb_prompt $" {fail "step through execlp call"}
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timeout {fail "(timeout) step through execlp call"}
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}
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# Verify that we can see the variables defined in the newly-exec'd
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# program, and CANNOT see those defined in the exec'ing program.
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#
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send_gdb "next\n"
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gdb_expect {
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-re "26.*printf.*$gdb_prompt $"\
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{pass "step after execlp call"}
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-re "$gdb_prompt $" {fail "step after execlp call"}
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timeout {fail "(timeout) step after execlp call"}
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}
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send_gdb "print global_i\n"
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gdb_expect {
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-re ".* = 0.*$gdb_prompt $"\
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{pass "print execd-program/global_i (after execlp)"}
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-re "$gdb_prompt $" {fail "print execd-program/global_i (after execlp)"}
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timeout {fail "(timeout) print execd-program/global_i (after execlp)"}
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}
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send_gdb "print local_j\n"
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gdb_expect {
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-re ".* = 2.*$gdb_prompt $"\
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{pass "print execd-program/local_j (after execlp)"}
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-re "$gdb_prompt $" {fail "print execd-program/local_j (after execlp)"}
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timeout {fail "(timeout) print execd-program/local_j (after execlp)"}
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}
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send_gdb "print local_k\n"
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gdb_expect {
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-re "No symbol \"local_k\" in current context.*$gdb_prompt $"\
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{pass "print follow-exec/local_k (after execlp)"}
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-re "$gdb_prompt $" {fail "print follow-exec/local_k (after execlp)"}
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timeout {fail "(timeout) print follow-exec/local_k (after execlp)"}
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}
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# Explicitly kill this program, or a subsequent rerun actually runs
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# the exec'd program, not the original program...
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zap_session
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# Start the program running, and stop at main.
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#
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if ![runto_main] then {
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perror "Couldn't run ${testfile} (2nd try)"
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return
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}
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# Verify that we can catch an exec event, and then continue
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# to follow through the exec. (Since there's a breakpoint on
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# "main", it'll also be transferred to the exec'd program,
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# and we expect to stop there.)
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#
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send_gdb "catch exec\n"
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gdb_expect {
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-re "Catchpoint .*(exec).*$gdb_prompt $"\
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{pass "set catch exec"}
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-re "$gdb_prompt $" {fail "set catch exec"}
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timeout {fail "(timeout) set catch exec"}
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}
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# Verify that the catchpoint is mentioned in an "info breakpoints",
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# and further that the catchpoint mentions no program name.
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#
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send_gdb "info breakpoints\n"
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gdb_expect {
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-re ".*catch exec.*keep y.*$gdb_prompt $"\
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{pass "info shows catchpoint without exec pathname"}
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-re ".*catch exec.*program \"\".*$gdb_prompt $"\
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{fail "info shows catchpoint without exec pathname"}
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-re "$gdb_prompt $" {fail "info shows catchpoint without exec pathname"}
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timeout {fail "(timeout) info shows catchpoint without exec pathname"}
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}
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# DTS CLLbs16760
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# PA64 doesn't know about $START$ in dld.sl at this point. It should.
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# - Michael Coulter
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setup_xfail hppa2.0w-hp-hpux* CLLbs16760
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send_gdb "continue\n"
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gdb_expect {
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-re ".*Executing new program:.*${testfile2}.*Catchpoint .*(exec\'d .*${testfile2}).*in .START..*$gdb_prompt $"\
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{pass "hit catch exec"}
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-re "$gdb_prompt $" {fail "hit catch exec"}
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timeout {fail "(timeout) hit catch exec"}
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}
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# DTS CLLbs16760
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# test gets out of sync if previous test fails.
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gdb_test "bt" ".*" "sync up after possible failure 1"
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gdb_test "bt" "#0.*" "sync up after possible failure 2"
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# Verify that the catchpoint is mentioned in an "info breakpoints",
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# and further that the catchpoint managed to capture the exec'd
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# program's name.
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#
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send_gdb "info breakpoints\n"
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gdb_expect {
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-re ".*catch exec .*program \".*${testfile2}\".*$gdb_prompt $"\
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{pass "info shows catchpoint exec pathname"}
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-re "$gdb_prompt $" {fail "info shows catchpoint exec pathname"}
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timeout {fail "(timeout) info shows catchpoint exec pathname"}
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}
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# Verify that we can continue from the catchpoint, and land in the
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# main of the newly-exec'd program.
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#
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send_gdb "continue\n"
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gdb_expect {
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-re ".*${srcfile2}:23.*$gdb_prompt $"\
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{pass "continue after hit catch exec"}
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-re "$gdb_prompt $" {fail "continue after hit catch exec"}
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timeout {fail "(timeout) continue after hit catch exec"}
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}
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# Explicitly kill this program, or a subsequent rerun actually runs
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# the exec'd program, not the original program...
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zap_session
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# Start the program running, and stop at main.
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#
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if ![runto_main] then {
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perror "Couldn't run ${testfile} (3rd try)"
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return
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}
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# Verify that we can follow through follow an execl()
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# call. (We must jump around earlier exec* calls.)
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#
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send_gdb "tbreak 27\n"
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gdb_expect {
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-re "Breakpoint .*file .*${srcfile}, line 27.*$gdb_prompt $"\
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{pass "prepare to jump to execl call"}
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-re "$gdb_prompt $" {fail "prepare to jump to execl call"}
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timeout {fail "(timeout) prepare to jump to execl call"}
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}
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send_gdb "jump 27\n"
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gdb_expect {
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-re "main.* at .*${srcfile}:27.*$gdb_prompt $"\
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{pass "jump to execl call"}
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-re "$gdb_prompt $" {fail "jump to execl call"}
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timeout {fail "(timeout) jump to execl call"}
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}
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# Note that stepping through an exec call causes the step-count
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# to be reset to zero. I.e.: you may specify "next 2" at the
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# call, but you'll actually stop at the first breakpoint set in
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# the newly-exec'd program, not after the remaining step-count
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# reaches zero.
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#
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send_gdb "next 2\n"
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gdb_expect {
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-re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\
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{pass "step through execl call"}
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-re "$gdb_prompt $" {fail "step through execl call"}
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timeout {fail "(timeout) step through execl call"}
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}
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send_gdb "next\n"
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gdb_expect {
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-re "26.*printf.*$gdb_prompt $"\
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{pass "step after execl call"}
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-re "$gdb_prompt $" {fail "step after execl call"}
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timeout {fail "(timeout) step after execl call"}
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}
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# Verify that we can print a local variable (which happens to be
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# assigned the value of main's argc).
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#
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send_gdb "print local_j\n"
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gdb_expect {
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-re ".* = 3.*$gdb_prompt $"\
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{pass "print execd-program/local_j (after execl)"}
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-re "$gdb_prompt $" {fail "print execd-program/local_j (after execl)"}
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timeout {fail "(timeout) print execd-program/local_j (after execl)"}
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}
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# Explicitly kill this program, or a subsequent rerun actually runs
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# the exec'd program, not the original program...
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zap_session
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# Start the program running, and stop at main.
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#
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if ![runto_main] then {
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perror "Couldn't run ${testfile} (4th try)"
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return
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}
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# Verify that we can follow through follow an execv()
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# call. (We must jump around earlier exec* calls.)
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#
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send_gdb "tbreak 41\n"
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gdb_expect {
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-re "Breakpoint .*file .*${srcfile}, line 41.*$gdb_prompt $"\
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{pass "prepare to jump to execv call"}
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-re "$gdb_prompt $" {fail "prepare to jump to execv call"}
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timeout {fail "(timeout) prepare to jump to execv call"}
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}
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send_gdb "jump 41\n"
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gdb_expect {
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-re "main.* at .*${srcfile}:41.*$gdb_prompt $"\
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{pass "jump to execv call"}
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-re "$gdb_prompt $" {fail "jump to execv call"}
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timeout {fail "(timeout) jump to execv call"}
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}
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send_gdb "next\n"
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gdb_expect {
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-re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\
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{pass "step through execv call"}
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-re "$gdb_prompt $" {fail "step through execv call"}
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timeout {fail "(timeout) step through execv call"}
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}
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send_gdb "next\n"
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gdb_expect {
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-re "26.*printf.*$gdb_prompt $"\
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{pass "step after execv call"}
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-re "$gdb_prompt $" {fail "step after execv call"}
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timeout {fail "(timeout) step after execv call"}
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}
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# Verify that we can print a local variable (which happens to be
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# assigned the value of main's argc).
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#
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send_gdb "print local_j\n"
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gdb_expect {
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-re ".* = 2.*$gdb_prompt $"\
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{pass "print execd-program/local_j (after execv)"}
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-re "$gdb_prompt $" {fail "print execd-program/local_j (after execv)"}
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timeout {fail "(timeout) print execd-program/local_j (after execv)"}
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}
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# Explicitly kill this program, or a subsequent rerun actually runs
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# the exec'd program, not the original program...
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zap_session
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# Start the program running, and stop at main.
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#
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if ![runto_main] then {
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perror "Couldn't run ${testfile} (5th try)"
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return
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}
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# Verify that we can just continue and thereby follow through an
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# exec call. (Since the breakpoint on "main" is reset, we should
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# just stop in main of the newly-exec'd program.)
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#
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send_gdb "continue\n"
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gdb_expect {
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-re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\
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{pass "continue through exec"}
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-re "$gdb_prompt $" {fail "continue through exec"}
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timeout {fail "(timeout) continue through exec"}
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}
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}
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# Start with a fresh gdb
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# This is a test of gdb's ability to follow a process through a
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# Unix exec() system call.
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#
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do_exec_tests
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return 0
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