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gdb/gdb-6.3-inferior-notification-20050721.patch
Jan Kratochvil 48cf710500 Rebase to FSF GDB 7.2.50.20110320 (which is a 7.3 pre-release). 
Merge archer-sergiodj-stap, the SystemTap probes breakpoints feature.
[stap] Fix -O2 warnings.
Fix Ada support crash on uninitialized gdbarch.
2011-03-20 21:44:20 +01:00

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2005-07-21 Jeff Johnston <jjohnstn@redhat.com>
* gdb.base/attach-32.exp: New test for attaching in 32-bit
mode on 64-bit systems.
* gdb.base/attach-32.c: Ditto.
* gdb.base/attach-32b.c: Ditto.
2007-12-26 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.base/attach-32.exp: Fix forgotten $GDBFLAGS as set.
Index: gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.c 2011-03-20 20:15:57.000000000 +0100
@@ -0,0 +1,20 @@
+/* This program is intended to be started outside of gdb, and then
+ attached to by gdb. Thus, it simply spins in a loop. The loop
+ is exited when & if the variable 'should_exit' is non-zero. (It
+ is initialized to zero in this program, so the loop will never
+ exit unless/until gdb sets the variable to non-zero.)
+ */
+#include <stdio.h>
+
+int should_exit = 0;
+
+int main ()
+{
+ int local_i = 0;
+
+ while (! should_exit)
+ {
+ local_i++;
+ }
+ return 0;
+}
Index: gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.exp
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32.exp 2011-03-20 20:20:03.000000000 +0100
@@ -0,0 +1,245 @@
+# Copyright 2005 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 2 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# This test was based on attach.exp and modified for 32/64 bit Linux systems. */
+
+# On HP-UX 11.0, this test is causing a process running the program
+# "attach" to be left around spinning. Until we figure out why, I am
+# commenting out the test to avoid polluting tiamat (our 11.0 nightly
+# test machine) with these processes. RT
+#
+# Setting the magic bit in the target app should work. I added a
+# "kill", and also a test for the R3 register warning. JB
+if { ![istarget "x86_64*-*linux*"]
+ && ![istarget "powerpc64*-*linux*"]} {
+ return 0
+}
+
+# are we on a target board
+if [is_remote target] then {
+ return 0
+}
+
+set testfile "attach-32"
+set srcfile ${testfile}.c
+set srcfile2 ${testfile}b.c
+set binfile ${objdir}/${subdir}/${testfile}
+set binfile2 ${objdir}/${subdir}/${testfile}b
+set escapedbinfile [string_to_regexp ${objdir}/${subdir}/${testfile}]
+
+#execute_anywhere "rm -f ${binfile} ${binfile2}"
+remote_exec build "rm -f ${binfile} ${binfile2}"
+# For debugging this test
+#
+#log_user 1
+
+# build the first test case
+#
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "additional_flags=-m32"]] != "" } {
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+}
+
+# Build the in-system-call test
+
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable [list debug "additional_flags=-m32"]] != "" } {
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+}
+
+if [get_compiler_info ${binfile}] {
+ return -1
+}
+
+proc do_attach_tests {} {
+ global gdb_prompt
+ global binfile
+ global escapedbinfile
+ global srcfile
+ global testfile
+ global objdir
+ global subdir
+ global timeout
+ global testpid
+
+ # Verify that we can "see" the variable "should_exit" in the
+ # program, and that it is zero.
+
+ gdb_test "print should_exit" " = 0" "after attach-32, print should_exit"
+
+ # Verify that we can modify the variable "should_exit" in the
+ # program.
+
+ gdb_test "set should_exit=1" "" "after attach-32, set should_exit"
+
+ # Verify that the modification really happened.
+
+ send_gdb "tbreak 19\n"
+ gdb_expect {
+ -re "reakpoint .*at.*$srcfile, line 19.*$gdb_prompt $" {
+ pass "after attach-32, set tbreak postloop"
+ }
+ -re "$gdb_prompt $" {
+ fail "after attach-32, set tbreak postloop"
+ }
+ timeout {
+ fail "(timeout) after attach-32, set tbreak postloop"
+ }
+ }
+ send_gdb "continue\n"
+ gdb_expect {
+ -re "main.*at.*$srcfile:19.*$gdb_prompt $" {
+ pass "after attach-32, reach tbreak postloop"
+ }
+ -re "$gdb_prompt $" {
+ fail "after attach-32, reach tbreak postloop"
+ }
+ timeout {
+ fail "(timeout) after attach-32, reach tbreak postloop"
+ }
+ }
+
+ # Allow the test process to exit, to cleanup after ourselves.
+
+ gdb_test "continue" {\[Inferior .* exited normally\]} "after attach-32, exit"
+
+ # Make sure we don't leave a process around to confuse
+ # the next test run (and prevent the compile by keeping
+ # the text file busy), in case the "set should_exit" didn't
+ # work.
+
+ remote_exec build "kill -9 ${testpid}"
+
+ # Start the program running and then wait for a bit, to be sure
+ # that it can be attached to.
+
+ set testpid [eval exec $binfile &]
+ exec sleep 2
+ if { [istarget "*-*-cygwin*"] } {
+ # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
+ # different due to the way fork/exec works.
+ set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
+ }
+
+ # Verify that we can attach to the process, and find its a.out
+ # when we're cd'd to some directory that doesn't contain the
+ # a.out. (We use the source path set by the "dir" command.)
+
+ gdb_test "dir ${objdir}/${subdir}" "Source directories searched: .*" \
+ "set source path"
+
+ gdb_test "cd /tmp" "Working directory /tmp." \
+ "cd away from process working directory"
+
+ # Explicitly flush out any knowledge of the previous attachment.
+
+ set test "before attach-32-3, flush symbols"
+ gdb_test_multiple "symbol" "$test" {
+ -re "Discard symbol table from.*y or n. $" {
+ gdb_test "y" "No symbol file now." \
+ "$test"
+ }
+ -re "No symbol file now.*$gdb_prompt $" {
+ pass "$test"
+ }
+ }
+
+ gdb_test "exec" "No executable file now." \
+ "before attach-32-3, flush exec"
+
+ gdb_test "attach $testpid" \
+ "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*" \
+ "attach-32 when process' a.out not in cwd"
+
+ set test "after attach-32-3, exit"
+ gdb_test_multiple "kill" "$test" {
+ -re "Kill the program being debugged.*y or n. $" {
+ gdb_test "y" "" "$test"
+ }
+ }
+
+ # Another "don't leave a process around"
+ remote_exec build "kill -9 ${testpid}"
+}
+
+proc do_call_attach_tests {} {
+ global gdb_prompt
+ global binfile2
+ global testpid
+
+ # See if other registers are problems
+
+ set test "info other register"
+ gdb_test_multiple "i r r3" "$test" {
+ -re "warning: reading register.*$gdb_prompt $" {
+ fail "$test"
+ }
+ -re "r3.*$gdb_prompt $" {
+ pass "$test"
+ }
+ }
+
+ # Get rid of the process
+
+ gdb_test "p should_exit = 1"
+ gdb_test "c" {\[Inferior .* exited normally\]}
+
+ # Be paranoid
+
+ remote_exec build "kill -9 ${testpid}"
+}
+
+
+# Start with a fresh gdb
+
+gdb_exit
+set testpid [eval exec $binfile &]
+exec sleep 3
+if { [istarget "*-*-cygwin*"] } {
+ # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
+ # different due to the way fork/exec works.
+ set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
+}
+
+set GDBFLAGS_orig $GDBFLAGS
+set GDBFLAGS "--pid=$testpid"
+gdb_start
+set GDBFLAGS $GDBFLAGS_orig
+
+gdb_reinitialize_dir $srcdir/$subdir
+
+# This is a test of gdb's ability to attach to a running process.
+
+do_attach_tests
+
+# Test attaching when the target is inside a system call
+
+gdb_exit
+set testpid [eval exec $binfile2 &]
+exec sleep 3
+if { [istarget "*-*-cygwin*"] } {
+ # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
+ # different due to the way fork/exec works.
+ set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
+}
+
+set GDBFLAGS_orig $GDBFLAGS
+set GDBFLAGS "--pid=$testpid"
+gdb_start
+set GDBFLAGS $GDBFLAGS_orig
+
+gdb_reinitialize_dir $srcdir/$subdir
+do_call_attach_tests
+
+return 0
Index: gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32b.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.2.50.20110320/gdb/testsuite/gdb.base/attach-32b.c 2011-03-20 20:15:57.000000000 +0100
@@ -0,0 +1,24 @@
+/* This program is intended to be started outside of gdb, and then
+ attached to by gdb. Thus, it simply spins in a loop. The loop
+ is exited when & if the variable 'should_exit' is non-zero. (It
+ is initialized to zero in this program, so the loop will never
+ exit unless/until gdb sets the variable to non-zero.)
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int should_exit = 0;
+
+int main ()
+{
+ int local_i = 0;
+
+ sleep( 10 ); /* System call causes register fetch to fail */
+ /* This is a known HPUX "feature" */
+ while (! should_exit)
+ {
+ local_i++;
+ }
+ return (0);
+}
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