forked from Imagelibrary/binutils-gdb
213516ef31
This commit is the result of running the gdb/copyright.py script, which automated the update of the copyright year range for all source files managed by the GDB project to be updated to include year 2023.
154 lines
4.3 KiB
Plaintext
154 lines
4.3 KiB
Plaintext
# Copyright 2002-2023 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 3 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, see <http://www.gnu.org/licenses/>.
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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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# Single-threaded test case
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standard_testfile pthreads.c
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set objfile $binfile.o
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set corefile $binfile.test
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set core0file ${binfile}0.test
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if {[istarget "*-*-linux"]} {
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set target_cflags "-D_MIT_POSIX_THREADS"
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} else {
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set target_cflags ""
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}
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# Attempt to prevent -Wl,-z,relro which happens by default at least on
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# Kubuntu-10.10. Due to PR corefiles/11804 will then GDB be unable to find
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# libpthread, therefore libthread_db will not fail as expected
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# on the test `zeroed-threads cannot be listed'.
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set opts [list debug]
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if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${objfile}" object $opts] != ""
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|| ([gdb_compile_pthreads "${objfile}" "${binfile}" executable [concat $opts {ldflags=-Wl,-z,norelro}] ] != ""
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&& [gdb_compile_pthreads "${objfile}" "${binfile}" executable $opts] != "") } {
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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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clean_restart ${testfile}
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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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if {![runto_main]} {
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return -1
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}
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gdb_test_multiple "info threads" "threads are supported" {
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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 $" {
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unsupported "gdb does not support threads on this target"
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return -1
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}
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}
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# Make sure thread 1 is running
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delete_breakpoints
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gdb_breakpoint "thread1"
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gdb_test "continue" "Continuing.*Breakpoint.* thread1 .*" "thread 1 is running"
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# Make sure thread 2 is running
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delete_breakpoints
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gdb_breakpoint "thread2"
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gdb_test "continue" "Continuing.*Breakpoint.* thread2 .*" "thread 2 is running"
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# Drop corefile
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set core_supported [gdb_gcore_cmd "$corefile" "save a corefile"]
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if {!$core_supported} {
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return -1
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}
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# Test the uninitialized thread list.
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# Provide the case of glibc td_thr_get_info handling of:
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# /* Special case for the main thread before initialization. */
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foreach symbol {__stack_user stack_used} {
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set test "clear ${symbol}.next"
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gdb_test_multiple "p *(void **) &${symbol} = 0" $test {
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-re " = \\(void \\*\\) 0x0\r\n$gdb_prompt $" {
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pass $test
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}
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-re "No symbol \"${symbol}\" in current context\\.\r\n$gdb_prompt $" {
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xfail $test
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# Do not do the verification.
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set core0file ""
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}
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}
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}
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if {"$core0file" != ""} {
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gdb_gcore_cmd $core0file "save a zeroed-threads corefile"
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}
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# Now restart gdb and load the corefile.
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clean_restart ${testfile}
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proc load_core { filename } {
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global horiz nl
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set core_loaded [gdb_core_cmd $filename "re-load generated corefile"]
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if { $core_loaded == -1 } {
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# No use proceeding from here.
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return
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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" "\\* 1 ${horiz}${nl} 2 ${horiz}.*" \
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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" "\\* ${horiz} thread2 .*${nl}" \
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"thread2 is current thread in corefile"
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}
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foreach name { corefile core0file } {
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set filename [subst $$name]
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if { $filename == "" } {
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continue
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}
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with_test_prefix $name {
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load_core $filename
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}
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}
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