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# Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011
# 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
# 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, see <http://www.gnu.org/licenses/>.
# This file was written by Michael Snyder (msnyder@redhat.com)
# This is a test for the gdb command "generate-core-file".
if $tracelevel then {
strace $tracelevel
}
# Single-threaded test case
set testfile "gcore-thread"
set srcfile pthreads.c
set binfile ${objdir}/${subdir}/${testfile}
set corefile ${objdir}/${subdir}/${testfile}.test
set core0file ${objdir}/${subdir}/${testfile}0.test
if [istarget "*-*-linux"] then {
set target_cflags "-D_MIT_POSIX_THREADS"
} else {
set target_cflags ""
}
if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
return -1
}
# Now we can proceed with the real testing.
# Start with a fresh gdb.
clean_restart ${testfile}
# 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 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
delete_breakpoints
gdb_breakpoint "thread1"
gdb_test "continue" "Continuing.*Breakpoint.* thread1 .*" "thread 1 is running"
# Make sure thread 2 is running
delete_breakpoints
gdb_breakpoint "thread2"
gdb_test "continue" "Continuing.*Breakpoint.* thread2 .*" "thread 2 is running"
set escapedfilename [string_to_regexp $corefile]
# Drop corefile
gdb_test_multiple "gcore $corefile" "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
}
# Test the uninitialized thread list.
# Provide the case of glibc td_thr_get_info handling of:
# /* Special case for the main thread before initialization. */
foreach symbol {__stack_user stack_used} {
set test "clear ${symbol}.next"
gdb_test_multiple "p *(void **) &${symbol} = 0" $test {
-re " = \\(void \\*\\) 0x0\r\n$gdb_prompt $" {
pass $test
}
-re "No symbol \"${symbol}\" in current context\\.\r\n$gdb_prompt $" {
xfail $test
# Do not do the verification.
set core0file ""
}
}
}
if {"$core0file" != ""} {
gdb_test "gcore $core0file" "Saved corefile .*" "save a zeroed-threads corefile"
}
# Now restart gdb and load the corefile.
clean_restart ${testfile}
proc load_core { corefile } {
global gdb_prompt
gdb_test_multiple "core $corefile" \
"re-load generated corefile" {
-re " is not a core dump:.*\r\n$gdb_prompt $" {
fail "re-load generated corefile (bad file format)"
# No use proceeding from here.
return 0;
}
-re ": No such file or directory.*\r\n$gdb_prompt $" {
fail "re-load generated corefile (file not found)"
# No use proceeding from here.
return 0;
}
-re "Couldn't find .* registers in core file.*\r\n$gdb_prompt $" {
fail "re-load generated corefile (incomplete note section)"
}
-re "Core was generated by .*\r\n$gdb_prompt $" {
pass "re-load generated corefile"
}
}
return 1
}
if ![load_core $corefile] {
return
}
# FIXME: now what can we test about the thread state?
# We do not know for certain that there should be at least
# three threads, because who knows what kind of many-to-one
# mapping various OS's may do? Let's assume that there must
# be at least two threads:
gdb_test "info threads" ".*${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}\\* ${horiz} thread2 .*" \
"thread2 is current thread in corefile"
# Test the uninitialized thread list.
if {"$core0file" != "" && [load_core $core0file]} {
gdb_test "info threads" "Cannot find new threads: .*" "zeroed-threads cannot be listed"
}
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