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# Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010
# 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 3 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
# 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, see <>.
# This file was written by Michael Snyder (
# This is a test for the gdb command "generate-core-file".
if $tracelevel then {
strace $tracelevel
# Single-threaded test case
set testfile "pthreads"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/gcore-${testfile}
if [istarget "*-*-linux"] then {
set target_cflags "-D_MIT_POSIX_THREADS"
} else {
set target_cflags ""
if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
return -1
# Now we can proceed with the real testing.
# Start with a fresh gdb.
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
# regexp for "horizontal" text (i.e. doesn't include newline or
# carriage return)
set horiz "\[^\n\r\]*"
# regexp for newline
set nl "\[\r\n\]+"
set prev_timeout $timeout
set timeout 30
gdb_test_multiple "help gcore" "help gcore" {
-re "Undefined command: .gcore.*$gdb_prompt $" {
# gcore command not supported -- nothing to test here.
unsupported "gdb does not support gcore on this target"
return -1;
-re "Save a core file .*$gdb_prompt $" {
pass "help gcore"
if { ! [ runto_main ] } then {
untested gcore-thread.exp
return -1
gdb_test_multiple "info threads" "threads are supported" {
-re ".* main .*$gdb_prompt $" {
# OK, threads are supported.
-re "${nl}$gdb_prompt $" {
unsupported "gdb does not support threads on this target"
return -1;
# Make sure thread 1 is running
gdb_breakpoint "thread1"
gdb_test "continue" "Continuing.*Breakpoint.* thread1 .*" "thread 1 is running"
# Make sure thread 2 is running
gdb_breakpoint "thread2"
gdb_test "continue" "Continuing.*Breakpoint.* thread2 .*" "thread 2 is running"
set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]
# Drop corefile
gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
"save a corefile" \
-re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
pass "save a corefile"
global core_supported
set core_supported 1
-re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
unsupported "save a corefile"
global core_supported
set core_supported 0
global core_supported
if {!$core_supported} {
return -1
# Now restart gdb and load the corefile.
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
gdb_test_multiple "core ${objdir}/${subdir}/gcore.test" \
"re-load generated corefile" {
-re ".* is not a core dump:.*$gdb_prompt $" {
fail "re-load generated corefile (bad file format)"
# No use proceeding from here.
-re ".*: No such file or directory.*$gdb_prompt $" {
fail "re-load generated corefile (file not found)"
# No use proceeding from here.
-re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
fail "re-load generated corefile (incomplete note section)"
-re "Core was generated by .*$gdb_prompt $" {
pass "re-load generated corefile"
# FIXME: now what can we test about the thread state?
# We do not know for certain that there should be at least
# three threads, because who knows what kind of many-to-one
# mapping various OS's may do? Let's assume that there must
# be at least two threads:
gdb_test "info threads" ".*${nl} 2 ${horiz}${nl}\\* 1 .*" \
"corefile contains at least two threads"
# One thread in the corefile should be in the "thread2" function.
gdb_test "info threads" ".* thread2 .*" \
"a corefile thread is executing thread2"
# The thread2 thread should be marked as the current thread.
gdb_test "info threads" ".*${nl}\\* ${horiz} thread2 .*" \
"thread2 is current thread in corefile"
set timeout $prev_timeout
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