a911c3606d
* gdb.base/gcore.exp: New test for generate-core-file command. * gdb.base/gcore.c: Testcase for above. * gdb.threads/gcore-thread.exp: New test for gcore (threaded).
186 lines
5 KiB
Text
186 lines
5 KiB
Text
# Copyright 2002 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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# This file was written by Michael Snyder (msnyder@redhat.com)
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# This is a test for the gdb command "generate-core-file".
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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# Single-threaded test case
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set testfile "pthreads"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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set built_binfile 0
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if [istarget "*-*-linux"] then {
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set target_cflags "-D_MIT_POSIX_THREADS"
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} else {
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set target_cflags ""
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}
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set why_msg "unrecognized error"
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foreach lib {-lpthreads -lpthread -lthread} {
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set options "debug"
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lappend options "incdir=${objdir}/${subdir}"
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lappend options "libs=$lib"
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set ccout [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options]
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switch -regexp -- $ccout {
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".*no posix threads support.*" {
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set why_msg "missing threads include file"
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break
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}
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".*cannot open -lpthread.*" {
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set why_msg "missing runtime threads library"
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}
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".*Can't find library for -lpthread.*" {
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set why_msg "missing runtime threads library"
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}
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{^$} {
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pass "successfully compiled posix threads test case"
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set built_binfile 1
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break
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}
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}
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}
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if {$built_binfile == "0"} {
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unsupported "Couldn't compile ${srcfile}, ${why_msg}"
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return -1
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}
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# Now we can proceed with the real testing.
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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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# regexp for "horizontal" text (i.e. doesn't include newline or
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# carriage return)
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set horiz "\[^\n\r\]*"
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# regexp for newline
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set nl "\[\r\n\]+"
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set timeout 30
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send_gdb "help gcore\n"
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gdb_expect {
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-re "Undefined command: .gcore.*$gdb_prompt $" {
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# gcore command not supported -- nothing to test here.
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unsupported "gdb does not support gcore on this target"
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return -1;
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}
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-re "Save a core file .*$gdb_prompt $" {
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pass "help gcore"
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}
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-re ".*$gdb_prompt $" {
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fail "help gcore"
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}
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timeout {
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fail "help gcore (timeout)"
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}
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}
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if { ! [ runto main ] } then {
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gdb_suppress_entire_file "Run to main failed, so all tests in this file will automatically fail."
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}
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send_gdb "info threads\n"
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gdb_expect {
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-re ".* main .*$gdb_prompt $" {
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# OK, threads are supported.
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}
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-re "${nl}$gdb_prompt $" {
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unsupported "gdb does not support threads on this target"
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return -1;
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}
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}
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# Make sure thread 1 is running
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delete_breakpoints
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gdb_breakpoint "thread1"
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gdb_test "continue" "Continuing.*Breakpoint.* thread1 .*" "thread 1 is running"
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# Make sure thread 2 is running
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delete_breakpoints
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gdb_breakpoint "thread2"
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gdb_test "continue" "Continuing.*Breakpoint.* thread2 .*" "thread 2 is running"
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# Drop corefile
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gdb_test "gcore ${objdir}/${subdir}/gcore.test" \
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"Saved corefile ${objdir}/${subdir}/gcore.test" \
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"save a corefile"
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# Now restart gdb and load the corefile.
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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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send_gdb "core ${objdir}/${subdir}/gcore.test\n"
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gdb_expect {
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-re ".* is not a core dump:.*$gdb_prompt $" {
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fail "re-load generated corefile (bad file format)"
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# No use proceeding from here.
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return;
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}
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-re ".*: No such file or directory.*$gdb_prompt $" {
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fail "re-load generated corefile (file not found)"
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# No use proceeding from here.
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return;
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}
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-re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
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fail "re-load generated corefile (incomplete note section)"
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}
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-re "Core was generated by .*$gdb_prompt $" {
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pass "re-load generated corefile"
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}
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-re ".*$gdb_prompt $" {
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fail "re-load generated corefile"
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}
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timeout {
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fail "re-load generated corefile (timeout)"
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}
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}
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# FIXME: now what can we test about the thread state?
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# We do not know for certain that there should be at least
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# three threads, because who knows what kind of many-to-one
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# mapping various OS's may do? Let's assume that there must
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# be at least two threads:
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gdb_test "info threads" ".*${nl} 2 ${horiz}${nl}\\* 1 .*" \
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"corefile contains at least two threads"
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# One thread in the corefile should be in the "thread2" function.
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gdb_test "info threads" ".* thread2 .*" \
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"a corefile thread is executing thread2"
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# The thread2 thread should be marked as the current thread.
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gdb_test "info threads" ".*${nl}\\* ${horiz} thread2 .*" \
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"thread2 is current thread in corefile"
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