-# Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010
-# Free Software Foundation, Inc.
+# Copyright 2002-2016 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
# 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 "pthreads"
-set srcfile ${testfile}.c
-set binfile ${objdir}/${subdir}/gcore-${testfile}
+standard_testfile pthreads.c
+set objfile $binfile.o
+set corefile $binfile.test
+set core0file ${binfile}0.test
if [istarget "*-*-linux"] then {
set target_cflags "-D_MIT_POSIX_THREADS"
set target_cflags ""
}
-if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
+# Attempt to prevent -Wl,-z,relro which happens by default at least on
+# Kubuntu-10.10. Due to PR corefiles/11804 will then GDB be unable to find
+# libpthread, therefore libthread_db will not fail as expected
+# on the test `zeroed-threads cannot be listed'.
+
+set opts [list debug]
+if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${objfile}" object $opts] != ""
+ || ([gdb_compile_pthreads "${objfile}" "${binfile}" executable [concat $opts {additional_flags=-Wl,-z,norelro}] ] != ""
+ && [gdb_compile_pthreads "${objfile}" "${binfile}" executable $opts] != "") } {
return -1
}
# Start with a fresh gdb.
-gdb_exit
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
-gdb_load ${binfile}
+clean_restart ${testfile}
# regexp for "horizontal" text (i.e. doesn't include newline or
# carriage return)
# 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 $" {
- pass "help gcore"
- }
-}
-
if { ! [ runto_main ] } then {
untested gcore-thread.exp
return -1
}
-re "${nl}$gdb_prompt $" {
unsupported "gdb does not support threads on this target"
- return -1;
+ return -1
}
}
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 $" {
- unsupported "save a corefile"
- global core_supported
- set core_supported 0
- }
-}
+set core_supported [gdb_gcore_cmd "$corefile" "save a corefile"]
-global core_supported
if {!$core_supported} {
return -1
}
-# Now restart gdb and load the corefile.
-gdb_exit
-gdb_start
-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 $" {
- fail "re-load generated corefile (bad file format)"
- # No use proceeding from here.
- return;
- }
- -re ".*: No such file or directory.*$gdb_prompt $" {
- fail "re-load generated corefile (file not found)"
- # No use proceeding from here.
- return;
- }
- -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
- fail "re-load generated corefile (incomplete note section)"
+
+# 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 $test
}
- -re "Core was generated by .*$gdb_prompt $" {
- pass "re-load generated corefile"
+ -re "No symbol \"${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"
+}
+
-# 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:
+# Now restart gdb and load the corefile.
+clean_restart ${testfile}
+
+foreach name { corefile core0file } { with_test_prefix $name {
+ set core_loaded [gdb_core_cmd [subst $$name] "re-load generated corefile"]
+ if { $core_loaded == -1 } {
+ # No use proceeding from here.
+ continue
+ }
-gdb_test "info threads" ".*${nl} 2 ${horiz}${nl}\\* 1 .*" \
- "corefile contains at least two threads"
+ # 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:
-# One thread in the corefile should be in the "thread2" function.
+ gdb_test "info threads" "\\* 1 ${horiz}${nl} 2 ${horiz}.*" \
+ "corefile contains at least two threads"
-gdb_test "info threads" ".* thread2 .*" \
- "a corefile thread is executing thread2"
+ # One thread in the corefile should be in the "thread2" function.
-# The thread2 thread should be marked as the current thread.
+ gdb_test "info threads" ".* thread2 .*" \
+ "a corefile thread is executing thread2"
-gdb_test "info threads" ".*${nl}\\* ${horiz} thread2 .*" \
- "thread2 is current thread in corefile"
+ # The thread2 thread should be marked as the current thread.
-set timeout $prev_timeout
+ gdb_test "info threads" "\\* ${horiz} thread2 .*${nl}" \
+ "thread2 is current thread in corefile"
+}}
projects / thirdparty / binutils-gdb.git / blobdiff