- Fix attaching to stopped processes, based on the upstream version now.
- Just kernel-2.6.25 neither upstream nor utrace work with it; 2.6.9 works. - Fix occasional crash on a removed watchpoint. - Fix false testcase FAILs for `gdb.pie/break.exp'. - Fix a false warning (+a testcase FAIL) on s390x watchpoints. - Fix a false FAIL on s390x `gdb.base/dump.exp'.
This commit is contained in:
Jan Kratochvil
parent
e3c8b47c74
commit
10f824b955
@ -1051,7 +1051,7 @@ Index: gdb-6.5/gdb/testsuite/gdb.pie/break.exp
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+set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]
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+
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+gdb_test "info break" \
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+ "Num Type\[ \]+Disp Enb Address\[ \]+What.*
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+ "Num\[ \]+Type\[ \]+Disp Enb Address\[ \]+What.*
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+\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.*
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+\[0-9\]+\[\t \]+breakpoint keep y.* in marker2 at .*$srcfile1:($bp_location8|$bp_location9).*
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+\[0-9\]+\[\t \]+breakpoint keep y.* in factorial$proto at .*$srcfile:$bp_location7.*
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@ -1181,7 +1181,7 @@ Index: gdb-6.5/gdb/testsuite/gdb.pie/break.exp
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+#
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+# check to see what breakpoints are set (temporary this time)
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+#
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+gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
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+gdb_test "info break" "Num.*Type.*Disp Enb Address.*What.*\[\r\n\]
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+\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
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+\[0-9\]+\[\t \]+breakpoint del.*y.*in factorial$proto at .*$srcfile:$bp_location7.*\[\r\n\]
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+\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
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@ -37,6 +37,8 @@
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[ With recent upstream GDB (6.8) reduced only to the testcase. ]
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FIXME: The testcase does not expects multiple watchpoints hits per one stop.
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Index: gdb-6.5/gdb/testsuite/gdb.threads/watchthreads2.c
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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@ -642,6 +642,17 @@ Index: gdb-6.7.50.20080227/gdb/s390-nat.c
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for (parea = &watch_base; *parea; parea = &(*parea)->next)
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if ((*parea)->lo_addr == addr
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&& (*parea)->hi_addr == addr + len - 1)
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@@ -378,8 +378,10 @@ s390_remove_watchpoint (CORE_ADDR addr,
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if (!*parea)
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{
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+#if 0 /* Red Hat fork/threads watchpoints changes may trigger it. */
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fprintf_unfiltered (gdb_stderr,
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"Attempt to remove nonexistent watchpoint.\n");
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+#endif
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return -1;
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}
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@@ -375,6 +392,15 @@ s390_remove_watchpoint (CORE_ADDR addr,
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return 0;
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}
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@ -1,436 +0,0 @@
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2008-01-09 Jan Kratochvil <jan.kratochvil@redhat.com>
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Support attaching to stopped processes/threads and/or with pending
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signals. This ChangeLog entry is OBSOLETE:
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* linux-nat.c (STRINGIFY, STRINGIFY_ARG): New macros.
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(kill_lwp): New declaration.
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(linux_ptrace_post_attach, pid_is_stopped): New function.
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(linux_child_follow_fork): New comment about WAS_STOPPED.
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(lin_lwp_attach_lwp): Variable PID removed. Part replaced by a call to
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LINUX_PTRACE_POST_ATTACH.
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(linux_nat_attach): Likewise.
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(linux_nat_detach): Optionally stop the detached process.
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(linux_nat_resume): Clear WAS_STOPPED if appropriate.
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* NEWS: Document the new behaviour.
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2007-06-30 Jan Kratochvil <jan.kratochvil@redhat.com>
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* gdb.texinfo (Attach): Document the ATTACH and DETACH commands for
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stopped processes. Document the messages on the seen pending signals.
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2008-02-24 Jan Kratochvil <jan.kratochvil@redhat.com>
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Port to GDB-6.8pre.
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Index: gdb-6.8cvs20080219/gdb/NEWS
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===================================================================
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--- gdb-6.8cvs20080219.orig/gdb/NEWS 2008-02-24 19:35:37.000000000 +0100
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+++ gdb-6.8cvs20080219/gdb/NEWS 2008-02-24 19:36:26.000000000 +0100
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@@ -412,6 +412,9 @@ Renesas M32C/M16C m32c-elf
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Morpho Technologies ms1 ms1-elf
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+* On GNU/Linux, stopped processes may get attached to now. Signals being
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+delivered at the time of the attach command no longer get lost.
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+
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* New commands
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init-if-undefined Initialize a convenience variable, but
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Index: gdb-6.8cvs20080219/gdb/linux-nat.c
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===================================================================
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--- gdb-6.8cvs20080219.orig/gdb/linux-nat.c 2008-02-24 19:36:26.000000000 +0100
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+++ gdb-6.8cvs20080219/gdb/linux-nat.c 2008-02-24 19:45:01.000000000 +0100
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@@ -89,6 +89,15 @@
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#define PTRACE_GETSIGINFO 0x4202
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#endif
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+#define STRINGIFY_ARG(x) #x
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+#define STRINGIFY(x) STRINGIFY_ARG (x)
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+
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+static int linux_ptrace_post_attach (ptid_t ptid, int *cloned_return);
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+static int kill_lwp (int lwpid, int signo);
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+
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+/* PID of the inferior stopped by SIGSTOP before attaching (or zero). */
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+static pid_t pid_was_stopped;
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+
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/* The single-threaded native GNU/Linux target_ops. We save a pointer for
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the use of the multi-threaded target. */
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static struct target_ops *linux_ops;
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@@ -539,6 +548,11 @@ linux_child_follow_fork (struct target_o
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}
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else
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{
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+ /* We should check PID_WAS_STOPPED and detach it stopped accordingly.
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+ In this point of code it cannot be 1 as we would not get FORK
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+ executed without CONTINUE first which resets PID_WAS_STOPPED.
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+ We would have to first TARGET_STOP and WAITPID it as with running
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+ inferior PTRACE_DETACH, SIGSTOP will ignore the signal. */
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target_detach (NULL, 0);
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}
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@@ -942,9 +956,8 @@ lin_lwp_attach_lwp (ptid_t ptid)
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to happen. */
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if (GET_LWP (ptid) != GET_PID (ptid) && lp == NULL)
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{
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- pid_t pid;
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int status;
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- int cloned = 0;
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+ int cloned;
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if (ptrace (PTRACE_ATTACH, GET_LWP (ptid), 0, 0) < 0)
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{
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@@ -958,37 +971,20 @@ lin_lwp_attach_lwp (ptid_t ptid)
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return -1;
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}
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- if (debug_linux_nat)
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- fprintf_unfiltered (gdb_stdlog,
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- "LLAL: PTRACE_ATTACH %s, 0, 0 (OK)\n",
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- target_pid_to_str (ptid));
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-
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- pid = my_waitpid (GET_LWP (ptid), &status, 0);
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- if (pid == -1 && errno == ECHILD)
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- {
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- /* Try again with __WCLONE to check cloned processes. */
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- pid = my_waitpid (GET_LWP (ptid), &status, __WCLONE);
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- cloned = 1;
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+ status = linux_ptrace_post_attach (ptid, &cloned);
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+ if (status != 0)
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+ {
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+ error (_("Thread %s exited: %s"), target_pid_to_str (ptid),
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+ status_to_str (status));
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}
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- gdb_assert (pid == GET_LWP (ptid)
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- && WIFSTOPPED (status) && WSTOPSIG (status));
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-
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- if (lp == NULL)
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- lp = add_lwp (ptid);
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+ /* ADD_LWP with TID only already after the WAITPID. */
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+ lp = add_lwp (ptid);
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lp->cloned = cloned;
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- target_post_attach (pid);
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+ target_post_attach (GET_LWP (ptid));
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lp->stopped = 1;
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-
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- if (debug_linux_nat)
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- {
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- fprintf_unfiltered (gdb_stdlog,
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- "LLAL: waitpid %s received %s\n",
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- target_pid_to_str (ptid),
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- status_to_str (status));
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- }
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}
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else
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{
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@@ -998,44 +994,202 @@ lin_lwp_attach_lwp (ptid_t ptid)
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threads. Note that this won't have already been done since
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the main thread will have, we assume, been stopped by an
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attach from a different layer. */
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- if (lp == NULL)
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- lp = add_lwp (ptid);
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lp->stopped = 1;
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}
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return 0;
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}
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+/* Detect `T (stopped)' in `/proc/PID/status'.
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+ Other states including `T (tracing stop)' are reported as false. */
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+
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+static int
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+pid_is_stopped (pid_t pid)
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+{
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+ FILE *status_file;
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+ char buf[100];
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+ int retval = 0;
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+
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+ snprintf (buf, sizeof (buf), "/proc/%d/status", (int) pid);
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+ status_file = fopen (buf, "r");
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+ if (status_file != NULL)
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+ {
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+ int have_state = 0;
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+
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+ while (fgets (buf, sizeof (buf), status_file))
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+ {
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+ if (strncmp (buf, "State:", 6) == 0)
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+ {
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+ have_state = 1;
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+ break;
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+ }
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+ }
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+ if (have_state && strstr (buf, "T (stopped)") != NULL)
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+ retval = 1;
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+ fclose (status_file);
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+ }
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+ return retval;
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+}
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+
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+/* Handle the processing after PTRACE_ATTACH, the first WAITPID -> SIGSTOP.
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+ Returns STATUS if the thread has exited, 0 otherwise.
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+ Sets PID_WAS_STOPPED if the process was originally stopped.
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+ Sets LP->CLONED if the given LWP is not the thread leader.
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+
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+ Scenario for a standard unstopped inferior:
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+ * `S (sleeping)' or `R (running)' or similiar states.
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+ * PTRACE_ATTACH is called.
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+ * `S (sleeping)' (or similiar) for some while.
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+ * `T (tracing stop)'.
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+ * WAITPID succeeds here returning SIGSTOP (signalled by PTRACE_ATTACH).
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+
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+ Scenario for a formerly stopped inferior:
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+ * `T (stopped)'.
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+ * PTRACE_ATTACH is called.
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+ * `T (stopped)' would stay indefinitely
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+ Note since this moment the `TracerPid' field gets filled
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+ (by PTRACE_ATTACH), it is no longer just the common `T (stopped)' state.
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+ * If no one did WAITPID since sending SIGSTOP our WAITPID would return
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+ SIGSTOP. The state still would not turn to `T (tracing stop)'.
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+ * Usually its original parent (before PTRACE_ATTACH was applied) already
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+ did WAITPID. The original parent already received our SIGSTOP
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+ sinalled by our PTRACE_ATTACH.
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+ In this case our own WAITPID would hang. Therefore...
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+ * ... we do artificial: tkill (SIGCONT);
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+ `PTRACE_CONT, SIGSTOP' does not work in 100% cases as sometimes SIGSTOP
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+ gets remembered by kernel during the first PTRACE_CONT later and we get
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+ spurious SIGSTOP event. Expecting the signal may get delivered to
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+ a different task of the thread group.
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+ `kill_lwp (SIGSTOP)' has no effect in this moment (it is already stopped).
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+ * WAITPID returns the artifical SIGCONT.
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+ (The possibly pending SIGSTOP gets vanished by specifically SIGCONT.)
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+ * State turns `T (tracing stop)'.
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+ In this moment everything is almost fine but we need a workaround as final
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+ `PTRACE_DETACH, SIGSTOP' would leave the process unstopped otherwise:
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+ * tkill (SIGSTOP);
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+ * `PTRACE_CONT, 0'
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+ * WAITPID returns the artifical SIGSTOP.
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+
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+ With the pending (unwaited for) SIGSTOP the artifical signal effects are:
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+ kill (SIGSTOP)
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+ PTRACE_ATTACH
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+ /-tkill (SIGCONT), WAITPID: SIGCONT, WAITPID: hang !
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+ //-tkill (SIGCONT), WAITPID: SIGCONT, PTRACE_CONT (SIG_0), WAITPID: wait (OK)
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+ \\-tkill (SIGALRM), WAITPID: SIGSTOP, WAITPID: hang !
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+ \-tkill (SIGALRM), WAITPID: SIGSTOP, PTRACE_CONT (SIG_0), WAITPID: SIGALRM !
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+ Therefore we signal artifical SIGCONT and stop waiting after its reception.
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+
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+ For the detection whether the process was formerly stopped we need to
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+ read `/proc/PID/status'. `PTRACE_CONT, SIGSTOP' returns ESRCH
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+ for `S (sleeping)' and succeeds for `T (stopped)' but it unfortunately
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+ succeeds even for `T (tracing stop)'. Depending on PTRACE_CONT, SIGSTOP
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+ success value for formerly stopped processes would mean a race condition
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+ as we would get false stopped processes detection if we get too slow.
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+
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+ `waitid (..., WSTOPPED)' hangs the same way as WAITPID.
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+
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+ Signals get queued for WAITPID. PTRACE_ATTACH (or TKILL) enqueues SIGSTOP
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+ there but WAITPID may return an already pending signal.
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+ Redeliver it by PTRACE_CONT, SIGxxx as otherwise it would get lost.
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+ Similiar processing is being done in this file by WAIT_LWP. */
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+
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+static int
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+linux_ptrace_post_attach (ptid_t ptid, int *cloned_return)
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+{
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+ unsigned long sig;
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||||
+ int this_thread_was_stopped;
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||||
+ int cloned = 0;
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||||
+
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+ if (debug_linux_nat)
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+ fprintf_unfiltered (gdb_stdlog,
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||||
+ "LLAL: PTRACE_ATTACH %s, 0, 0 (OK)\n",
|
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+ target_pid_to_str (ptid));
|
||||
+
|
||||
+ /* This code should not be run for the threads being attached after the first
|
||||
+ thread (process) as we would get later spurious SIGCONT otherwise. */
|
||||
+
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||||
+ this_thread_was_stopped = pid_is_stopped (GET_LWP (ptid));
|
||||
+ if (this_thread_was_stopped)
|
||||
+ {
|
||||
+ pid_was_stopped = GET_PID (ptid);
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||||
+ if (kill_lwp (GET_LWP (ptid), SIGCONT) != 0)
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||||
+ perror_with_name (("kill_lwp (SIGCONT)"));
|
||||
+ }
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||||
+
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||||
+ for (;;)
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||||
+ {
|
||||
+ pid_t pid;
|
||||
+ int status;
|
||||
+
|
||||
+ pid = my_waitpid (GET_LWP (ptid), &status, 0);
|
||||
+ if (pid == -1 && errno == ECHILD)
|
||||
+ {
|
||||
+ /* Try again with __WCLONE to check cloned processes. */
|
||||
+ pid = my_waitpid (GET_LWP (ptid), &status, __WCLONE);
|
||||
+ cloned = 1;
|
||||
+ }
|
||||
+
|
||||
+ gdb_assert (pid == GET_LWP (ptid));
|
||||
+
|
||||
+ if (debug_linux_nat)
|
||||
+ {
|
||||
+ fprintf_unfiltered (gdb_stdlog,
|
||||
+ "LLAL: waitpid %s received %s\n",
|
||||
+ target_pid_to_str (ptid),
|
||||
+ status_to_str (status));
|
||||
+ }
|
||||
+
|
||||
+ /* Check if the thread has exited. */
|
||||
+ if (WIFEXITED (status) || WIFSIGNALED (status))
|
||||
+ return status;
|
||||
+ gdb_assert (WIFSTOPPED (status));
|
||||
+ sig = WSTOPSIG (status);
|
||||
+ gdb_assert (sig != 0);
|
||||
+ if (sig == SIGSTOP)
|
||||
+ break;
|
||||
+
|
||||
+ /* As the second signal for stopped processes we send SIGSTOP. */
|
||||
+ if (this_thread_was_stopped && sig == SIGCONT)
|
||||
+ sig = SIGSTOP;
|
||||
+
|
||||
+ printf_unfiltered (_("Redelivering pending %s.\n"),
|
||||
+ target_signal_to_string (target_signal_from_host (sig)));
|
||||
+ if (sig == SIGSTOP)
|
||||
+ {
|
||||
+ if (kill_lwp (GET_LWP (ptid), sig) != 0)
|
||||
+ perror_with_name (("kill_lwp"));
|
||||
+ /* We now must resume the inferior to get SIGSTOP delivered. */
|
||||
+ sig = 0;
|
||||
+ }
|
||||
+ if (ptrace (PTRACE_CONT, GET_LWP (ptid), NULL, (void *) sig) != 0)
|
||||
+ perror_with_name (("ptrace"));
|
||||
+ }
|
||||
+ *cloned_return = cloned;
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
static void
|
||||
linux_nat_attach (char *args, int from_tty)
|
||||
{
|
||||
struct lwp_info *lp;
|
||||
- pid_t pid;
|
||||
int status;
|
||||
- int cloned = 0;
|
||||
+ int cloned;
|
||||
|
||||
/* FIXME: We should probably accept a list of process id's, and
|
||||
attach all of them. */
|
||||
linux_ops->to_attach (args, from_tty);
|
||||
|
||||
- /* Make sure the initial process is stopped. The user-level threads
|
||||
- layer might want to poke around in the inferior, and that won't
|
||||
- work if things haven't stabilized yet. */
|
||||
- pid = my_waitpid (GET_PID (inferior_ptid), &status, 0);
|
||||
- if (pid == -1 && errno == ECHILD)
|
||||
- {
|
||||
- warning (_("%s is a cloned process"), target_pid_to_str (inferior_ptid));
|
||||
-
|
||||
- /* Try again with __WCLONE to check cloned processes. */
|
||||
- pid = my_waitpid (GET_PID (inferior_ptid), &status, __WCLONE);
|
||||
- cloned = 1;
|
||||
- }
|
||||
-
|
||||
- gdb_assert (pid == GET_PID (inferior_ptid)
|
||||
- && WIFSTOPPED (status) && WSTOPSIG (status) == SIGSTOP);
|
||||
-
|
||||
/* Add the initial process as the first LWP to the list. */
|
||||
inferior_ptid = BUILD_LWP (GET_PID (inferior_ptid), GET_PID (inferior_ptid));
|
||||
+
|
||||
+ status = linux_ptrace_post_attach (inferior_ptid, &cloned);
|
||||
+ if (status != 0)
|
||||
+ error (_("Program %s exited: %s\n"), target_pid_to_str (inferior_ptid),
|
||||
+ status_to_str (status));
|
||||
+ if (cloned)
|
||||
+ warning (_("%s is a cloned process"), target_pid_to_str (inferior_ptid));
|
||||
+
|
||||
+ /* ADD_LWP with TID only already after the WAITPID. */
|
||||
lp = add_lwp (inferior_ptid);
|
||||
lp->cloned = cloned;
|
||||
|
||||
@@ -1046,8 +1200,8 @@ linux_nat_attach (char *args, int from_t
|
||||
lp->resumed = 1;
|
||||
if (debug_linux_nat)
|
||||
{
|
||||
- fprintf_unfiltered (gdb_stdlog,
|
||||
- "LLA: waitpid %ld, faking SIGSTOP\n", (long) pid);
|
||||
+ fprintf_unfiltered (gdb_stdlog, "LLA: waitpid %d, faking SIGSTOP\n",
|
||||
+ GET_PID (inferior_ptid));
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1092,6 +1246,9 @@ detach_callback (struct lwp_info *lp, vo
|
||||
overall process id just yet. */
|
||||
if (GET_LWP (lp->ptid) != GET_PID (lp->ptid))
|
||||
{
|
||||
+ /* None of these threads should be stopped for PID_WAS_STOPPED. Only the
|
||||
+ last thread (process) will be stopped by LINUX_NAT_DETACH. */
|
||||
+
|
||||
errno = 0;
|
||||
if (ptrace (PTRACE_DETACH, GET_LWP (lp->ptid), 0,
|
||||
WSTOPSIG (lp->status)) < 0)
|
||||
@@ -1120,6 +1277,9 @@ linux_nat_detach (char *args, int from_t
|
||||
|
||||
trap_ptid = null_ptid;
|
||||
|
||||
+ if (pid_was_stopped == GET_PID (lwp_list->ptid))
|
||||
+ args = STRINGIFY (SIGSTOP);
|
||||
+
|
||||
/* Destroy LWP info; it's no longer valid. */
|
||||
init_lwp_list ();
|
||||
|
||||
@@ -1255,6 +1415,14 @@ linux_nat_resume (ptid_t ptid, int step_
|
||||
resume_callback. */
|
||||
lp->stopped = 0;
|
||||
|
||||
+ /* At this point, we are going to resume the inferior and if we
|
||||
+ have attached to a stopped process, we no longer should leave
|
||||
+ it as stopped if the user detaches. PTID variable has PID set to LWP
|
||||
+ while we need to check the real PID here. */
|
||||
+
|
||||
+ if (!step && lp && pid_was_stopped == GET_PID (lp->ptid))
|
||||
+ pid_was_stopped = 0;
|
||||
+
|
||||
if (resume_all)
|
||||
iterate_over_lwps (resume_callback, NULL);
|
||||
|
||||
Index: gdb-6.8cvs20080219/gdb/doc/gdb.texinfo
|
||||
===================================================================
|
||||
--- gdb-6.8cvs20080219.orig/gdb/doc/gdb.texinfo 2008-02-24 19:36:24.000000000 +0100
|
||||
+++ gdb-6.8cvs20080219/gdb/doc/gdb.texinfo 2008-02-24 19:36:26.000000000 +0100
|
||||
@@ -2176,16 +2176,29 @@ can step and continue; you can modify st
|
||||
process continue running, you may use the @code{continue} command after
|
||||
attaching @value{GDBN} to the process.
|
||||
|
||||
+For a process already being stopped before the @code{attach} command executed
|
||||
+you get the informational message below. Other signals may be occasionally
|
||||
+shown if they were being delivered right the time the @code{attach} command
|
||||
+executed. Such process is left still stopped after the @code{detach} command
|
||||
+as long as you have not used the @code{continue} command (or similiar one)
|
||||
+during your debugging session.
|
||||
+
|
||||
+@smallexample
|
||||
+Attaching to program: /bin/sleep, process 16289
|
||||
+Redelivering pending Stopped (signal).
|
||||
+@end smallexample
|
||||
+
|
||||
@table @code
|
||||
@kindex detach
|
||||
@item detach
|
||||
When you have finished debugging the attached process, you can use the
|
||||
-@code{detach} command to release it from @value{GDBN} control. Detaching
|
||||
-the process continues its execution. After the @code{detach} command,
|
||||
-that process and @value{GDBN} become completely independent once more, and you
|
||||
-are ready to @code{attach} another process or start one with @code{run}.
|
||||
-@code{detach} does not repeat if you press @key{RET} again after
|
||||
-executing the command.
|
||||
+@code{detach} command to release it from @value{GDBN} control. Detaching the
|
||||
+process continues its execution unless it was already stopped before the
|
||||
+attachment and a @code{continue} type command has not been executed. After the
|
||||
+@code{detach} command, that process and @value{GDBN} become completely
|
||||
+independent once more, and you are ready to @code{attach} another process or
|
||||
+start one with @code{run}. @code{detach} does not repeat if you press
|
||||
+@key{RET} again after executing the command.
|
||||
@end table
|
||||
|
||||
If you exit @value{GDBN} while you have an attached process, you detach
|
||||
@ -1,894 +0,0 @@
|
||||
2008-01-09 Jan Kratochvil <jan.kratochvil@redhat.com>
|
||||
|
||||
* gdb.threads/attach-into-signal.c, gdb.threads/attach-into-signal.exp,
|
||||
gdb.threads/attach-stopped.c, gdb.threads/attach-stopped.exp: New files.
|
||||
|
||||
2008-03-29 Jan Kratochvil <jan.kratochvil@redhat.com>
|
||||
|
||||
Bugreport by Petr Muller.
|
||||
* gdb.threads/attach-stopped.exp: Fix the `Second sleep' breakpoint,
|
||||
add there a comment.
|
||||
|
||||
Formerly gdb-6.3-bz202705-attach-stop-20051011-race-fix-test.patch:
|
||||
gdb.threads/attachstop-mt.exp, gdb.threads/attachstop-mt.c
|
||||
|
||||
diff -u -X /home/short/.diffi.list -ruNp gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attach-into-signal.c gdb-6.5/gdb/testsuite/gdb.threads/attach-into-signal.c
|
||||
--- gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attach-into-signal.c 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ gdb-6.5/gdb/testsuite/gdb.threads/attach-into-signal.c 2008-01-09 15:26:30.000000000 +0100
|
||||
@@ -0,0 +1,70 @@
|
||||
+/* This testcase is part of GDB, the GNU debugger.
|
||||
+
|
||||
+ Copyright 2007 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. */
|
||||
+
|
||||
+#include <signal.h>
|
||||
+#include <unistd.h>
|
||||
+#include <string.h>
|
||||
+#include <stdio.h>
|
||||
+#include <stdlib.h>
|
||||
+#ifdef USE_THREADS
|
||||
+#include <pthread.h>
|
||||
+#endif
|
||||
+
|
||||
+void action(int sig, siginfo_t * info, void *uc)
|
||||
+{
|
||||
+ raise (SIGALRM);
|
||||
+}
|
||||
+
|
||||
+static void *func (void *arg)
|
||||
+{
|
||||
+ struct sigaction act;
|
||||
+
|
||||
+ memset (&act, 0, sizeof(struct sigaction));
|
||||
+ act.sa_sigaction = action;
|
||||
+ act.sa_flags = SA_RESTART;
|
||||
+ sigaction (SIGALRM, &act, 0);
|
||||
+
|
||||
+ raise (SIGALRM);
|
||||
+
|
||||
+ /* This should be NOTREACHED but sometimes it is reached - Bug 427860.
|
||||
+ We never get here without ptrace(2). It may also be a kernel bug. */
|
||||
+ for (;;)
|
||||
+ pause ();
|
||||
+
|
||||
+ abort ();
|
||||
+ /* NOTREACHED */
|
||||
+ return NULL;
|
||||
+}
|
||||
+
|
||||
+int main ()
|
||||
+{
|
||||
+
|
||||
+#ifndef USE_THREADS
|
||||
+
|
||||
+ func (NULL);
|
||||
+
|
||||
+#else
|
||||
+
|
||||
+ pthread_t th;
|
||||
+ pthread_create (&th, NULL, func, NULL);
|
||||
+ pthread_join (th, NULL);
|
||||
+
|
||||
+#endif
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
diff -u -X /home/short/.diffi.list -ruNp gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attach-into-signal.exp gdb-6.5/gdb/testsuite/gdb.threads/attach-into-signal.exp
|
||||
--- gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attach-into-signal.exp 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ gdb-6.5/gdb/testsuite/gdb.threads/attach-into-signal.exp 2008-01-09 15:26:30.000000000 +0100
|
||||
@@ -0,0 +1,179 @@
|
||||
+# Copyright 2007
|
||||
+
|
||||
+# 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 created by modifying attach-stopped.exp.
|
||||
+# This file was created by Jan Kratochvil <jan.kratochvil@redhat.com>.
|
||||
+
|
||||
+if $tracelevel then {
|
||||
+ strace $tracelevel
|
||||
+}
|
||||
+
|
||||
+set prms_id 0
|
||||
+set bug_id 0
|
||||
+
|
||||
+set testfile "attach-into-signal"
|
||||
+set srcfile ${testfile}.c
|
||||
+set binfile ${objdir}/${subdir}/${testfile}
|
||||
+set escapedbinfile [string_to_regexp ${objdir}/${subdir}/${testfile}]
|
||||
+
|
||||
+remote_exec build "rm -f ${binfile}"
|
||||
+# For debugging this test
|
||||
+#
|
||||
+#log_user 1
|
||||
+
|
||||
+proc corefunc { threadtype } {
|
||||
+ global srcfile
|
||||
+ global binfile
|
||||
+ global escapedbinfile
|
||||
+ global srcdir
|
||||
+ global subdir
|
||||
+ global gdb_prompt
|
||||
+
|
||||
+ if [get_compiler_info ${binfile}] {
|
||||
+ return -1
|
||||
+ }
|
||||
+
|
||||
+ # Start the program running and then wait for a bit, to be sure
|
||||
+ # that it can be attached to.
|
||||
+ # Statistically there is a better chance without giving process a nice.
|
||||
+
|
||||
+ set testpid [eval exec $binfile &]
|
||||
+ exec sleep 2
|
||||
+
|
||||
+ # Run 2 passes of the test.
|
||||
+ # The C file inferior stops pending its signals if a single one is lost,
|
||||
+ # we test successful redelivery of the caught signal by the 2nd pass.
|
||||
+
|
||||
+ # linux-2.6.20.4.x86_64 had maximal attempt # 20 in 4 test runs.
|
||||
+ set attempts 100
|
||||
+ set attempt 1
|
||||
+ set passes 1
|
||||
+ while { $passes < 3 && $attempt <= $attempts } {
|
||||
+
|
||||
+ # Start with clean gdb
|
||||
+ gdb_exit
|
||||
+
|
||||
+ set stoppedtry 0
|
||||
+ while { $stoppedtry < 10 } {
|
||||
+ if [catch {open /proc/${testpid}/status r} fileid] {
|
||||
+ set stoppedtry 10
|
||||
+ break
|
||||
+ }
|
||||
+ gets $fileid line1;
|
||||
+ gets $fileid line2;
|
||||
+ close $fileid;
|
||||
+
|
||||
+ if {![string match "*(stopped)*" $line2]} {
|
||||
+ # No PASS message as we may be looping in multiple attempts.
|
||||
+ break
|
||||
+ }
|
||||
+ sleep 1
|
||||
+ set stoppedtry [expr $stoppedtry + 1]
|
||||
+ }
|
||||
+ if { $stoppedtry >= 10 } {
|
||||
+ verbose -log $line2
|
||||
+ set test "$threadtype: process is still running on the attempt # $attempt of $attempts"
|
||||
+ break
|
||||
+ }
|
||||
+
|
||||
+ gdb_start
|
||||
+ gdb_reinitialize_dir $srcdir/$subdir
|
||||
+ gdb_load ${binfile}
|
||||
+
|
||||
+ # No PASS message as we may be looping in multiple attempts.
|
||||
+ gdb_test "set debug lin-lwp 1" "" ""
|
||||
+
|
||||
+ set test "$threadtype: set file (pass $passes), before attach1 to stopped process"
|
||||
+ if {[gdb_test_multiple "file $binfile" $test {
|
||||
+ -re "Load new symbol table from.*y or n. $" {
|
||||
+ # No PASS message as we may be looping in multiple attempts.
|
||||
+ gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." ""
|
||||
+ }
|
||||
+ -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" {
|
||||
+ # No PASS message as we may be looping in multiple attempts.
|
||||
+ }
|
||||
+ }] != 0 } {
|
||||
+ break
|
||||
+ }
|
||||
+
|
||||
+ # Main test:
|
||||
+ set test "$threadtype: attach (pass $passes), pending signal catch"
|
||||
+ if {[gdb_test_multiple "attach $testpid" $test {
|
||||
+ -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*Redelivering pending Alarm clock..*$gdb_prompt $" {
|
||||
+ # nonthreaded:
|
||||
+ pass $test
|
||||
+ verbose -log "$test succeeded on the attempt # $attempt of $attempts"
|
||||
+ set passes [expr $passes + 1]
|
||||
+ }
|
||||
+ -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
|
||||
+ # nonthreaded:
|
||||
+ # We just lack the luck, we should try it again.
|
||||
+ set attempt [expr $attempt + 1]
|
||||
+ }
|
||||
+ -re "Attaching to process $testpid.*Redelivering pending Alarm clock..*$gdb_prompt $" {
|
||||
+ # threaded:
|
||||
+ pass $test
|
||||
+ verbose -log "$test succeeded on the attempt # $attempt of $attempts"
|
||||
+ set passes [expr $passes + 1]
|
||||
+ }
|
||||
+ -re "Attaching to process $testpid.*$gdb_prompt $" {
|
||||
+ # threaded:
|
||||
+ # We just lack the luck, we should try it again.
|
||||
+ set attempt [expr $attempt - 1]
|
||||
+ }
|
||||
+ }] != 0 } {
|
||||
+ break
|
||||
+ }
|
||||
+ }
|
||||
+ if {$passes < 3} {
|
||||
+ if {$attempt > $attempts} {
|
||||
+ unresolved $test
|
||||
+ } else {
|
||||
+ fail $test
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ # Exit and detach the process.
|
||||
+
|
||||
+ gdb_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.
|
||||
+
|
||||
+ # Continue the program - some Linux kernels need it before -9 if the
|
||||
+ # process is stopped.
|
||||
+ remote_exec build "kill -s CONT ${testpid}"
|
||||
+
|
||||
+ remote_exec build "kill -9 ${testpid}"
|
||||
+}
|
||||
+
|
||||
+# build the test case first without threads
|
||||
+#
|
||||
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
|
||||
+ gdb_suppress_entire_file "Testcase nonthraded compile failed, so all tests in this file will automatically fail."
|
||||
+}
|
||||
+
|
||||
+corefunc nonthreaded
|
||||
+
|
||||
+# build the test case also with threads
|
||||
+#
|
||||
+if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DUSE_THREADS}] != "" } {
|
||||
+ gdb_suppress_entire_file "Testcase threaded compile failed, so all tests in this file will automatically fail."
|
||||
+}
|
||||
+
|
||||
+corefunc threaded
|
||||
diff -u -X /home/short/.diffi.list -ruNp gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attach-stopped.c gdb-6.5/gdb/testsuite/gdb.threads/attach-stopped.c
|
||||
--- gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attach-stopped.c 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ gdb-6.5/gdb/testsuite/gdb.threads/attach-stopped.c 2008-01-09 15:26:30.000000000 +0100
|
||||
@@ -0,0 +1,51 @@
|
||||
+/* This testcase is part of GDB, the GNU debugger.
|
||||
+
|
||||
+ Copyright 2005-2007 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 program is intended to be started outside of gdb, then
|
||||
+ manually stopped via a signal. */
|
||||
+
|
||||
+#include <stddef.h>
|
||||
+#include <unistd.h>
|
||||
+#ifdef USE_THREADS
|
||||
+#include <pthread.h>
|
||||
+#endif
|
||||
+
|
||||
+static void *func (void *arg)
|
||||
+{
|
||||
+ sleep (10000); /* Ridiculous time, but we will eventually kill it. */
|
||||
+ sleep (10000); /* Second sleep. */
|
||||
+ return NULL;
|
||||
+}
|
||||
+
|
||||
+int main ()
|
||||
+{
|
||||
+
|
||||
+#ifndef USE_THREADS
|
||||
+
|
||||
+ func (NULL);
|
||||
+
|
||||
+#else
|
||||
+
|
||||
+ pthread_t th;
|
||||
+ pthread_create (&th, NULL, func, NULL);
|
||||
+ pthread_join (th, NULL);
|
||||
+
|
||||
+#endif
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
diff -u -X /home/short/.diffi.list -ruNp gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attach-stopped.exp gdb-6.5/gdb/testsuite/gdb.threads/attach-stopped.exp
|
||||
--- gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attach-stopped.exp 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ gdb-6.5/gdb/testsuite/gdb.threads/attach-stopped.exp 2008-01-09 15:26:30.000000000 +0100
|
||||
@@ -0,0 +1,222 @@
|
||||
+# Copyright 2005-2007
|
||||
+
|
||||
+# 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 created by modifying attach.exp.
|
||||
+# This file was created by Jeff Johnston <jjohnstn@redhat.com>.
|
||||
+# This file was updated by Jan Kratochvil <jan.kratochvil@redhat.com>.
|
||||
+
|
||||
+if $tracelevel then {
|
||||
+ strace $tracelevel
|
||||
+}
|
||||
+
|
||||
+set prms_id 0
|
||||
+set bug_id 0
|
||||
+
|
||||
+# This test only works on Linux
|
||||
+if { ![istarget "*-*-linux-gnu*"] } {
|
||||
+ return 0
|
||||
+}
|
||||
+
|
||||
+set testfile "attach-stopped"
|
||||
+set srcfile ${testfile}.c
|
||||
+set binfile ${objdir}/${subdir}/${testfile}
|
||||
+set escapedbinfile [string_to_regexp ${objdir}/${subdir}/${testfile}]
|
||||
+
|
||||
+#execute_anywhere "rm -f ${binfile}"
|
||||
+remote_exec build "rm -f ${binfile}"
|
||||
+# For debugging this test
|
||||
+#
|
||||
+#log_user 1
|
||||
+
|
||||
+proc corefunc { threadtype } {
|
||||
+ global srcfile
|
||||
+ global binfile
|
||||
+ global escapedbinfile
|
||||
+ global srcdir
|
||||
+ global subdir
|
||||
+ global gdb_prompt
|
||||
+
|
||||
+ if [get_compiler_info ${binfile}] {
|
||||
+ return -1
|
||||
+ }
|
||||
+
|
||||
+ # Start the program running and then wait for a bit, to be sure
|
||||
+ # that it can be attached to.
|
||||
+
|
||||
+ set testpid [eval exec $binfile &]
|
||||
+
|
||||
+ # Avoid some race:
|
||||
+ sleep 2
|
||||
+
|
||||
+ # Stop the program
|
||||
+ remote_exec build "kill -s STOP ${testpid}"
|
||||
+
|
||||
+ # Start with clean gdb
|
||||
+ gdb_exit
|
||||
+ gdb_start
|
||||
+ gdb_reinitialize_dir $srcdir/$subdir
|
||||
+ gdb_load ${binfile}
|
||||
+
|
||||
+ # Verify that we can attach to the process by first giving its
|
||||
+ # executable name via the file command, and using attach with the
|
||||
+ # process ID.
|
||||
+
|
||||
+ set test "$threadtype: set file, before attach1 to stopped process"
|
||||
+ gdb_test_multiple "file $binfile" "$test" {
|
||||
+ -re "Load new symbol table from.*y or n. $" {
|
||||
+ gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \
|
||||
+ "$test (re-read)"
|
||||
+ }
|
||||
+ -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" {
|
||||
+ pass "$test"
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ set test "$threadtype: attach1 to stopped, after setting file"
|
||||
+ gdb_test_multiple "attach $testpid" "$test" {
|
||||
+ -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
|
||||
+ pass "$test"
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ # ".*sleep.*clone.*" would fail on s390x as bt stops at START_THREAD there.
|
||||
+ if {[string equal $threadtype threaded]} {
|
||||
+ gdb_test "thread apply all bt" ".*sleep.*start_thread.*" "$threadtype: attach1 to stopped bt"
|
||||
+ } else {
|
||||
+ gdb_test "bt" ".*sleep.*main.*" "$threadtype: attach1 to stopped bt"
|
||||
+ }
|
||||
+
|
||||
+ # Exit and detach the process.
|
||||
+
|
||||
+ gdb_exit
|
||||
+
|
||||
+ # Avoid some race:
|
||||
+ sleep 2
|
||||
+
|
||||
+ if [catch {open /proc/${testpid}/status r} fileid] {
|
||||
+ set line2 "NOTFOUND"
|
||||
+ } else {
|
||||
+ gets $fileid line1;
|
||||
+ gets $fileid line2;
|
||||
+ close $fileid;
|
||||
+ }
|
||||
+
|
||||
+ set test "$threadtype: attach1, exit leaves process stopped"
|
||||
+ if {[string match "*(stopped)*" $line2]} {
|
||||
+ pass $test
|
||||
+ } else {
|
||||
+ fail $test
|
||||
+ }
|
||||
+
|
||||
+ # At this point, the process should still be stopped
|
||||
+
|
||||
+ gdb_start
|
||||
+ gdb_reinitialize_dir $srcdir/$subdir
|
||||
+ gdb_load ${binfile}
|
||||
+
|
||||
+ # Verify that we can attach to the process just by giving the
|
||||
+ # process ID.
|
||||
+
|
||||
+ set test "$threadtype: attach2 to stopped, after setting file"
|
||||
+ gdb_test_multiple "attach $testpid" "$test" {
|
||||
+ -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
|
||||
+ pass "$test"
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ # ".*sleep.*clone.*" would fail on s390x as bt stops at START_THREAD there.
|
||||
+ if {[string equal $threadtype threaded]} {
|
||||
+ gdb_test "thread apply all bt" ".*sleep.*start_thread.*" "$threadtype: attach2 to stopped bt"
|
||||
+ } else {
|
||||
+ gdb_test "bt" ".*sleep.*main.*" "$threadtype: attach2 to stopped bt"
|
||||
+ }
|
||||
+ # This breakpoint is there for old/non-x86 kernels not restarting syscalls.
|
||||
+ gdb_breakpoint [gdb_get_line_number "Second sleep"]
|
||||
+ set test "$threadtype: attach2 continue"
|
||||
+ send_gdb "continue\n"
|
||||
+ gdb_expect {
|
||||
+ -re "Continuing"
|
||||
+ { pass "continue ($test)" }
|
||||
+ timeout
|
||||
+ { fail "continue ($test) (timeout)" }
|
||||
+ }
|
||||
+
|
||||
+ # For this to work we must be sure to consume the "Continuing."
|
||||
+ # message first, or GDB's signal handler may not be in place.
|
||||
+ after 1000 {send_gdb "\003"}
|
||||
+ set test "$threadtype: attach2 stop interrupt"
|
||||
+ gdb_expect 10 {
|
||||
+ -re "Program received signal SIGINT.*$gdb_prompt $"
|
||||
+ {
|
||||
+ pass $test
|
||||
+ }
|
||||
+ -re "Breakpoint \[0-9\].*$srcfile.*$gdb_prompt $"
|
||||
+ {
|
||||
+ pass $test
|
||||
+ }
|
||||
+ timeout
|
||||
+ {
|
||||
+ fail $test
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ gdb_exit
|
||||
+
|
||||
+ # Avoid some race:
|
||||
+ sleep 2
|
||||
+
|
||||
+ # At this point, the process should be sleeping
|
||||
+
|
||||
+ if [catch {open /proc/${testpid}/status r} fileid2] {
|
||||
+ set line2 "NOTFOUND"
|
||||
+ } else {
|
||||
+ gets $fileid2 line1;
|
||||
+ gets $fileid2 line2;
|
||||
+ close $fileid2;
|
||||
+ }
|
||||
+
|
||||
+ set test "$threadtype: attach2, exit leaves process sleeping"
|
||||
+ if {[string match "*(sleeping)*" $line2]} {
|
||||
+ pass $test
|
||||
+ } else {
|
||||
+ fail $test
|
||||
+ }
|
||||
+
|
||||
+ # 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 ${testpid}"
|
||||
+}
|
||||
+
|
||||
+# build the test case first without threads
|
||||
+#
|
||||
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
|
||||
+ gdb_suppress_entire_file "Testcase nonthraded compile failed, so all tests in this file will automatically fail."
|
||||
+}
|
||||
+
|
||||
+corefunc nonthreaded
|
||||
+
|
||||
+# build the test case first without threads
|
||||
+#
|
||||
+if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DUSE_THREADS}] != "" } {
|
||||
+ gdb_suppress_entire_file "Testcase threaded compile failed, so all tests in this file will automatically fail."
|
||||
+}
|
||||
+
|
||||
+corefunc threaded
|
||||
+
|
||||
+return 0
|
||||
diff -u -X /home/short/.diffi.list -ruNp gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attachstop-mt.c gdb-6.5/gdb/testsuite/gdb.threads/attachstop-mt.c
|
||||
--- gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attachstop-mt.c 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ gdb-6.5/gdb/testsuite/gdb.threads/attachstop-mt.c 2008-01-09 15:26:29.000000000 +0100
|
||||
@@ -0,0 +1,56 @@
|
||||
+/* This testcase is part of GDB, the GNU debugger.
|
||||
+
|
||||
+ 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 program is intended to be started outside of gdb, then
|
||||
+ manually stopped via a signal. */
|
||||
+
|
||||
+#include <unistd.h>
|
||||
+#include <pthread.h>
|
||||
+#include <stdio.h>
|
||||
+
|
||||
+/* Red Hat BZ PR 197584.c */
|
||||
+
|
||||
+void *func (void *arg)
|
||||
+{
|
||||
+ sleep (10000); /* Ridiculous time, but we will eventually kill it. */
|
||||
+ sleep (10000); /* RHEL3U8 kernel-2.4.21-47.EL will cut the sleep time. */
|
||||
+
|
||||
+ return NULL; /* thread-sleep */
|
||||
+}
|
||||
+
|
||||
+int main ()
|
||||
+{
|
||||
+ pthread_t t1,t2;
|
||||
+ int ret;
|
||||
+
|
||||
+ ret = pthread_create (&t1, NULL, func, NULL);
|
||||
+ if (ret)
|
||||
+ fprintf(stderr, "pthread_create(): %s", strerror (ret));
|
||||
+ ret = pthread_create (&t2, NULL, func, NULL);
|
||||
+ if (ret)
|
||||
+ fprintf(stderr, "pthread_create(): %s", strerror (ret));
|
||||
+
|
||||
+ ret = pthread_join (t1, NULL);
|
||||
+ if (ret) /* first-join */
|
||||
+ fprintf(stderr, "pthread_join(): %s", strerror (ret));
|
||||
+ ret = pthread_join (t2, NULL);
|
||||
+ if (ret)
|
||||
+ fprintf(stderr, "pthread_join(): %s", strerror (ret));
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
diff -u -X /home/short/.diffi.list -ruNp gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attachstop-mt.exp gdb-6.5/gdb/testsuite/gdb.threads/attachstop-mt.exp
|
||||
--- gdb-6.5-unpatched/gdb/testsuite/gdb.threads/attachstop-mt.exp 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ gdb-6.5/gdb/testsuite/gdb.threads/attachstop-mt.exp 2008-01-09 18:13:49.000000000 +0100
|
||||
@@ -0,0 +1,278 @@
|
||||
+# Copyright 2006
|
||||
+
|
||||
+# 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 created by modifying gdb.threads/attachstop.
|
||||
+# This file was created by Jan Kratochvil <jan.kratochvil@redhat.com>.
|
||||
+# Regression for: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=197584
|
||||
+
|
||||
+if $tracelevel then {
|
||||
+ strace $tracelevel
|
||||
+}
|
||||
+
|
||||
+set prms_id 0
|
||||
+set bug_id 0
|
||||
+
|
||||
+# This test only works on Linux
|
||||
+if { ![istarget "*-*-linux-gnu*"] } {
|
||||
+ return 0
|
||||
+}
|
||||
+
|
||||
+set testfile "attachstop-mt"
|
||||
+set srcfile ${testfile}.c
|
||||
+set binfile ${objdir}/${subdir}/${testfile}
|
||||
+set escapedbinfile [string_to_regexp ${objdir}/${subdir}/${testfile}]
|
||||
+
|
||||
+#execute_anywhere "rm -f ${binfile}"
|
||||
+remote_exec build "rm -f ${binfile}"
|
||||
+# For debugging this test
|
||||
+#
|
||||
+#log_user 1
|
||||
+
|
||||
+# build the test case
|
||||
+#
|
||||
+if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
|
||||
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
|
||||
+}
|
||||
+
|
||||
+if [get_compiler_info ${binfile}] {
|
||||
+ return -1
|
||||
+}
|
||||
+
|
||||
+# Start the program running and then wait for a bit, to be sure
|
||||
+# that it can be attached to.
|
||||
+
|
||||
+set testpid [eval exec $binfile &]
|
||||
+
|
||||
+# No race
|
||||
+sleep 2
|
||||
+
|
||||
+# Do not: set testpid2 [expr $testpid + 1]
|
||||
+# as it will not exist on Red Hat 2.6.9-34.0.2.ELsmp
|
||||
+set testpid2 [expr $testpid + 2]
|
||||
+
|
||||
+set status2 /proc/${testpid}/task/${testpid2}/status
|
||||
+if {[expr ! [file exists $status2]]} {
|
||||
+ # kernel-2.4
|
||||
+ set status2 /proc/${testpid2}/status
|
||||
+}
|
||||
+
|
||||
+# Initial sanity test it is normally sleeping
|
||||
+set fileid0 [open $status2 r];
|
||||
+gets $fileid0 line1;
|
||||
+gets $fileid0 line2;
|
||||
+close $fileid0;
|
||||
+
|
||||
+set test "attach0, initial sanity check of the sleeping state"
|
||||
+if {[string match "*(sleeping)*" $line2]} {
|
||||
+ pass $test
|
||||
+} else {
|
||||
+ fail $test
|
||||
+}
|
||||
+
|
||||
+# Sttach and detach to test it will not become stopped
|
||||
+gdb_start
|
||||
+gdb_reinitialize_dir $srcdir/$subdir
|
||||
+gdb_load ${binfile}
|
||||
+
|
||||
+set test "attach0 to sleeping"
|
||||
+gdb_test_multiple "attach $testpid" "$test" {
|
||||
+ -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
|
||||
+ pass "$test"
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+gdb_test "gcore /dev/null" ".*aved corefile.*" "attach0 to sleeping gcore invocation"
|
||||
+
|
||||
+gdb_test "thread 2" ".*witching to thread 2 .*" "attach0 to sleeping switch thread"
|
||||
+
|
||||
+gdb_test "bt" ".*sleep.*func.*" "attach0 to sleeping bt"
|
||||
+
|
||||
+# Exit and detach the process.
|
||||
+
|
||||
+gdb_exit
|
||||
+
|
||||
+# No race
|
||||
+sleep 2
|
||||
+
|
||||
+# Check it did not get stopped by our gdb
|
||||
+set fileid1 [open $status2 r];
|
||||
+gets $fileid1 line1;
|
||||
+gets $fileid1 line2;
|
||||
+close $fileid1;
|
||||
+
|
||||
+set test "attach1, post-gdb sanity check of the sleeping state - Red Hat BZ 197584"
|
||||
+if {[string match "*(sleeping)*" $line2]} {
|
||||
+ pass $test
|
||||
+} else {
|
||||
+ fail $test
|
||||
+}
|
||||
+
|
||||
+# Stop the program
|
||||
+remote_exec build "kill -s STOP ${testpid}"
|
||||
+
|
||||
+# No race
|
||||
+sleep 2
|
||||
+
|
||||
+# Check it really got stopped by kill(1)
|
||||
+set fileid2 [open $status2 r];
|
||||
+gets $fileid2 line1;
|
||||
+gets $fileid2 line2;
|
||||
+close $fileid2;
|
||||
+
|
||||
+set test "attach2, initial sanity check of the stopped state"
|
||||
+if {[string match "*(stopped)*" $line2]} {
|
||||
+ pass $test
|
||||
+} else {
|
||||
+ fail $test
|
||||
+}
|
||||
+
|
||||
+# Start with clean gdb
|
||||
+gdb_start
|
||||
+gdb_reinitialize_dir $srcdir/$subdir
|
||||
+gdb_load ${binfile}
|
||||
+
|
||||
+# Verify that we can attach to the process by first giving its
|
||||
+# executable name via the file command, and using attach with the
|
||||
+# process ID.
|
||||
+
|
||||
+set test "set file, before attach3 to stopped process"
|
||||
+gdb_test_multiple "file $binfile" "$test" {
|
||||
+ -re "Load new symbol table from.*y or n. $" {
|
||||
+ gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \
|
||||
+ "$test (re-read)"
|
||||
+ }
|
||||
+ -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" {
|
||||
+ pass "$test"
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+set test "attach3 to stopped, after setting file"
|
||||
+gdb_test_multiple "attach $testpid" "$test" {
|
||||
+ -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
|
||||
+ pass "$test"
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+# We may be already after the threads phase.
|
||||
+# `thread 2' command is important for the test to switch the current thread to
|
||||
+# a non-primary one for the detach process.
|
||||
+
|
||||
+gdb_test "thread 2" ".*(witching to thread 2 |hread ID 2 not known).*" "attach3 to stopped switch thread"
|
||||
+gdb_test "bt" ".*sleep.*(func|main).*" "attach3 to stopped bt"
|
||||
+
|
||||
+# Exit and detach the process.
|
||||
+gdb_exit
|
||||
+
|
||||
+# No race
|
||||
+sleep 2
|
||||
+
|
||||
+set fileid3 [open $status2 r];
|
||||
+gets $fileid3 line1;
|
||||
+gets $fileid3 line2;
|
||||
+close $fileid3;
|
||||
+
|
||||
+set test "attach3, exit leaves process stopped"
|
||||
+if {[string match "*(stopped)*" $line2]} {
|
||||
+ pass $test
|
||||
+} else {
|
||||
+ fail $test
|
||||
+}
|
||||
+
|
||||
+# At this point, the process should still be stopped
|
||||
+
|
||||
+# Continue the test as we would hit another expected bug regarding
|
||||
+# Program received signal SIGSTOP, Stopped (signal).
|
||||
+# across NPTL threads.
|
||||
+
|
||||
+gdb_start
|
||||
+gdb_reinitialize_dir $srcdir/$subdir
|
||||
+gdb_load ${binfile}
|
||||
+
|
||||
+# Verify that we can attach to the process just by giving the
|
||||
+# process ID.
|
||||
+
|
||||
+set test "attach4 to stopped, after setting file"
|
||||
+gdb_test_multiple "attach $testpid" "$test" {
|
||||
+ -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
|
||||
+ pass "$test"
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+# We may be already after the threads phase.
|
||||
+# `thread 2' command is important for the test to switch the current thread to
|
||||
+# a non-primary one for the detach process.
|
||||
+
|
||||
+gdb_test "thread 2" ".*(witching to thread 2 |hread ID 2 not known).*" "attach4 to stopped switch thread"
|
||||
+gdb_test "bt" ".*sleep.*(func|main).*" "attach4 to stopped bt"
|
||||
+
|
||||
+# RHEL3U8 kernel-2.4.21-47.EL will not return SIGINT but only shorten the sleep.
|
||||
+gdb_breakpoint [gdb_get_line_number "Ridiculous time"]
|
||||
+gdb_breakpoint [gdb_get_line_number "cut the sleep time"]
|
||||
+set test "attach4 continue"
|
||||
+send_gdb "continue\n"
|
||||
+gdb_expect {
|
||||
+ -re "Continuing"
|
||||
+ { pass "continue ($test)" }
|
||||
+ timeout
|
||||
+ { fail "continue ($test) (timeout)" }
|
||||
+}
|
||||
+
|
||||
+# For this to work we must be sure to consume the "Continuing."
|
||||
+# message first, or GDB's signal handler may not be in place.
|
||||
+after 1000 {send_gdb "\003"}
|
||||
+set test "attach4 stop by interrupt"
|
||||
+gdb_expect {
|
||||
+ -re "Program received signal SIGINT.*$gdb_prompt $"
|
||||
+ {
|
||||
+ pass $test
|
||||
+ }
|
||||
+ -re "Breakpoint \[0-9\].*$srcfile.*$gdb_prompt $"
|
||||
+ {
|
||||
+ pass $test
|
||||
+ }
|
||||
+ timeout
|
||||
+ {
|
||||
+ fail "$test (timeout)"
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+gdb_exit
|
||||
+
|
||||
+# No race
|
||||
+sleep 2
|
||||
+
|
||||
+# At this point, the process should be sleeping
|
||||
+
|
||||
+set fileid4 [open $status2 r];
|
||||
+gets $fileid4 line1;
|
||||
+gets $fileid4 line2;
|
||||
+close $fileid4;
|
||||
+
|
||||
+set test "attach4, exit leaves process sleeping"
|
||||
+if {[string match "*(sleeping)*" $line2]} {
|
||||
+ pass $test
|
||||
+} else {
|
||||
+ fail $test
|
||||
+}
|
||||
+
|
||||
+# 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}"
|
||||
+
|
||||
+return 0
|
||||
@ -121,3 +121,22 @@
|
||||
|
||||
if (args == NULL)
|
||||
error_no_arg (_("one or more choice numbers"));
|
||||
|
||||
|
||||
|
||||
Found on RHEL-5.s390x.
|
||||
|
||||
--- sources/gdb/testsuite/gdb.base/dump.exp-orig 2008-08-28 11:44:40.000000000 +0200
|
||||
+++ sources/gdb/testsuite/gdb.base/dump.exp 2008-08-28 11:44:49.000000000 +0200
|
||||
@@ -493,8 +493,10 @@ if ![string compare $is64bitonly "no"] t
|
||||
gdb_test "print zero_all ()" "" ""
|
||||
|
||||
# restore with expressions
|
||||
+ # Address may fit in int32 but its negative result would be 0xffffxxxx for
|
||||
+ # 64-bit LONGEST addresses.
|
||||
test_restore_saved_value \
|
||||
- "intarr3.srec ${array2_start}-${array_start} &intarray\[3\] &intarray\[4\]" \
|
||||
+ "intarr3.srec (long)${array2_start}-${array_start} &intarray\[3\] &intarray\[4\]" \
|
||||
"array partial with expressions" 4 "intarray2\[3\]"
|
||||
|
||||
gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4"
|
||||
|
||||
482
gdb-6.8-attach-signalled-detach-stopped.patch
Normal file
482
gdb-6.8-attach-signalled-detach-stopped.patch
Normal file
@ -0,0 +1,482 @@
|
||||
diff -up -u -X /home/jkratoch2/.diffi.list -rup gdb-6.8-base/gdb/linux-nat.c gdb-6.8/gdb/linux-nat.c
|
||||
--- gdb-6.8-base/gdb/linux-nat.c 2008-08-27 18:09:35.000000000 +0200
|
||||
+++ gdb-6.8/gdb/linux-nat.c 2008-08-27 18:48:40.000000000 +0200
|
||||
@@ -117,6 +117,9 @@
|
||||
static struct target_ops *linux_ops;
|
||||
static struct target_ops linux_ops_saved;
|
||||
|
||||
+/* PID of the inferior stopped by SIGSTOP before attaching (or zero). */
|
||||
+static pid_t pid_was_stopped;
|
||||
+
|
||||
/* The method to call, if any, when a new thread is attached. */
|
||||
static void (*linux_nat_new_thread) (ptid_t);
|
||||
|
||||
@@ -531,6 +534,11 @@ linux_child_follow_fork (struct target_o
|
||||
}
|
||||
else
|
||||
{
|
||||
+ /* We should check PID_WAS_STOPPED and detach it stopped accordingly.
|
||||
+ In this point of code it cannot be 1 as we would not get FORK
|
||||
+ executed without CONTINUE first which resets PID_WAS_STOPPED.
|
||||
+ We would have to first TARGET_STOP and WAITPID it as with running
|
||||
+ inferior PTRACE_DETACH, SIGSTOP will ignore the signal. */
|
||||
target_detach (NULL, 0);
|
||||
}
|
||||
|
||||
@@ -936,6 +944,7 @@ linux_nat_post_attach_wait (ptid_t ptid,
|
||||
if (debug_linux_nat)
|
||||
fprintf_unfiltered (gdb_stdlog,
|
||||
"LNPAW: Attaching to a stopped process\n");
|
||||
+ pid_was_stopped = GET_PID (ptid);
|
||||
|
||||
/* The process is definitely stopped. It is in a job control
|
||||
stop, unless the kernel predates the TASK_STOPPED /
|
||||
@@ -1128,6 +1137,9 @@ get_pending_status (struct lwp_info *lp,
|
||||
else
|
||||
*status = lp->status;
|
||||
|
||||
+ if (*status == 0 && GET_PID (lp->ptid) == pid_was_stopped)
|
||||
+ *status = W_STOPCODE (SIGSTOP);
|
||||
+
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -1207,6 +1219,8 @@ linux_nat_detach (char *args, int from_t
|
||||
|
||||
trap_ptid = null_ptid;
|
||||
|
||||
+ pid_was_stopped = 0;
|
||||
+
|
||||
/* Destroy LWP info; it's no longer valid. */
|
||||
init_lwp_list ();
|
||||
|
||||
@@ -1340,6 +1354,14 @@ linux_nat_resume (ptid_t ptid, int step,
|
||||
resume_callback. */
|
||||
lp->stopped = 0;
|
||||
|
||||
+ /* At this point, we are going to resume the inferior and if we
|
||||
+ have attached to a stopped process, we no longer should leave
|
||||
+ it as stopped if the user detaches. PTID variable has PID set to LWP
|
||||
+ while we need to check the real PID here. */
|
||||
+
|
||||
+ if (!step && lp && pid_was_stopped == GET_PID (lp->ptid))
|
||||
+ pid_was_stopped = 0;
|
||||
+
|
||||
if (resume_all)
|
||||
iterate_over_lwps (resume_callback, NULL);
|
||||
|
||||
diff -up -u -X /home/jkratoch2/.diffi.list -rup gdb-6.8-base/gdb/testsuite/gdb.threads/attach-into-signal.c gdb-6.8/gdb/testsuite/gdb.threads/attach-into-signal.c
|
||||
--- gdb-6.8-base/gdb/testsuite/gdb.threads/attach-into-signal.c 2008-08-27 17:44:23.000000000 +0200
|
||||
+++ gdb-6.8/gdb/testsuite/gdb.threads/attach-into-signal.c 2008-08-27 18:13:41.000000000 +0200
|
||||
@@ -1,19 +1,20 @@
|
||||
/* This testcase is part of GDB, the GNU debugger.
|
||||
|
||||
- Copyright 2008 Free Software Foundation, Inc.
|
||||
+ Copyright 2007 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
|
||||
+ 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, see <http://www.gnu.org/licenses/>. */
|
||||
+ along with this program; if not, write to the Free Software
|
||||
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include <signal.h>
|
||||
#include <unistd.h>
|
||||
@@ -40,8 +41,10 @@ static void *func (void *arg)
|
||||
|
||||
raise (SIGALRM);
|
||||
|
||||
- /* We must not get past this point, either in a free standing or debugged
|
||||
- state. */
|
||||
+ /* This should be NOTREACHED but sometimes it is reached - Bug 427860.
|
||||
+ We never get here without ptrace(2). It may also be a kernel bug. */
|
||||
+ for (;;)
|
||||
+ pause ();
|
||||
|
||||
abort ();
|
||||
/* NOTREACHED */
|
||||
diff -up -u -X /home/jkratoch2/.diffi.list -rup gdb-6.8-base/gdb/testsuite/gdb.threads/attach-into-signal.exp gdb-6.8/gdb/testsuite/gdb.threads/attach-into-signal.exp
|
||||
--- gdb-6.8-base/gdb/testsuite/gdb.threads/attach-into-signal.exp 2008-08-27 17:44:23.000000000 +0200
|
||||
+++ gdb-6.8/gdb/testsuite/gdb.threads/attach-into-signal.exp 2008-08-27 18:13:41.000000000 +0200
|
||||
@@ -1,27 +1,29 @@
|
||||
-# Copyright 2008
|
||||
-# Free Software Foundation, Inc.
|
||||
+# Copyright 2007
|
||||
|
||||
# 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
|
||||
+# 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, see <http://www.gnu.org/licenses/>.
|
||||
+# 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 created by modifying attach-stopped.exp.
|
||||
# This file was created by Jan Kratochvil <jan.kratochvil@redhat.com>.
|
||||
|
||||
-# This test only works on Linux
|
||||
-if { ![isnative] || [is_remote host] || ![istarget *-linux*] } {
|
||||
- continue
|
||||
+if $tracelevel then {
|
||||
+ strace $tracelevel
|
||||
}
|
||||
|
||||
+set prms_id 0
|
||||
+set bug_id 0
|
||||
+
|
||||
set testfile "attach-into-signal"
|
||||
set srcfile ${testfile}.c
|
||||
set binfile ${objdir}/${subdir}/${testfile}
|
||||
@@ -60,6 +62,10 @@ proc corefunc { threadtype } {
|
||||
set attempt 1
|
||||
set passes 1
|
||||
while { $passes < 3 && $attempt <= $attempts } {
|
||||
+
|
||||
+ # Start with clean gdb
|
||||
+ gdb_exit
|
||||
+
|
||||
set stoppedtry 0
|
||||
while { $stoppedtry < 10 } {
|
||||
if [catch {open /proc/${testpid}/status r} fileid] {
|
||||
@@ -83,10 +89,30 @@ proc corefunc { threadtype } {
|
||||
break
|
||||
}
|
||||
|
||||
+ gdb_start
|
||||
+ gdb_reinitialize_dir $srcdir/$subdir
|
||||
+ gdb_load ${binfile}
|
||||
+
|
||||
+ # No PASS message as we may be looping in multiple attempts.
|
||||
+ gdb_test "set debug lin-lwp 1" "" ""
|
||||
+
|
||||
+ set test "$threadtype: set file (pass $passes), before attach1 to stopped process"
|
||||
+ if {[gdb_test_multiple "file $binfile" $test {
|
||||
+ -re "Load new symbol table from.*y or n. $" {
|
||||
+ # No PASS message as we may be looping in multiple attempts.
|
||||
+ gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." ""
|
||||
+ }
|
||||
+ -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" {
|
||||
+ # No PASS message as we may be looping in multiple attempts.
|
||||
+ }
|
||||
+ }] != 0 } {
|
||||
+ break
|
||||
+ }
|
||||
+
|
||||
# Main test:
|
||||
set test "$threadtype: attach (pass $passes), pending signal catch"
|
||||
if {[gdb_test_multiple "attach $testpid" $test {
|
||||
- -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*Received Alarm clock.*$gdb_prompt $" {
|
||||
+ -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*Redelivering pending Alarm clock..*$gdb_prompt $" {
|
||||
# nonthreaded:
|
||||
pass $test
|
||||
verbose -log "$test succeeded on the attempt # $attempt of $attempts"
|
||||
@@ -97,7 +123,7 @@ proc corefunc { threadtype } {
|
||||
# We just lack the luck, we should try it again.
|
||||
set attempt [expr $attempt + 1]
|
||||
}
|
||||
- -re "Attaching to process $testpid.*Received Alarm clock.*$gdb_prompt $" {
|
||||
+ -re "Attaching to process $testpid.*Redelivering pending Alarm clock..*$gdb_prompt $" {
|
||||
# threaded:
|
||||
pass $test
|
||||
verbose -log "$test succeeded on the attempt # $attempt of $attempts"
|
||||
@@ -111,8 +137,6 @@ proc corefunc { threadtype } {
|
||||
}] != 0 } {
|
||||
break
|
||||
}
|
||||
-
|
||||
- gdb_test "detach" "Detaching from.*" ""
|
||||
}
|
||||
if {$passes < 3} {
|
||||
if {$attempt > $attempts} {
|
||||
@@ -138,20 +162,12 @@ proc corefunc { threadtype } {
|
||||
remote_exec build "kill -9 ${testpid}"
|
||||
}
|
||||
|
||||
-# Start with clean gdb
|
||||
-gdb_exit
|
||||
-
|
||||
# build the test case first without threads
|
||||
#
|
||||
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
|
||||
gdb_suppress_entire_file "Testcase nonthraded compile failed, so all tests in this file will automatically fail."
|
||||
}
|
||||
|
||||
-gdb_start
|
||||
-gdb_reinitialize_dir $srcdir/$subdir
|
||||
-gdb_load ${binfile}
|
||||
-gdb_test "set debug lin-lwp 1" "" ""
|
||||
-
|
||||
corefunc nonthreaded
|
||||
|
||||
# build the test case also with threads
|
||||
@@ -160,9 +176,4 @@ if { [gdb_compile_pthreads "${srcdir}/$
|
||||
gdb_suppress_entire_file "Testcase threaded compile failed, so all tests in this file will automatically fail."
|
||||
}
|
||||
|
||||
-gdb_start
|
||||
-gdb_reinitialize_dir $srcdir/$subdir
|
||||
-gdb_load ${binfile}
|
||||
-gdb_test "set debug lin-lwp 1" "" ""
|
||||
-
|
||||
corefunc threaded
|
||||
diff -up -u -X /home/jkratoch2/.diffi.list -rup gdb-6.8-base/gdb/testsuite/gdb.threads/attach-stopped.c gdb-6.8/gdb/testsuite/gdb.threads/attach-stopped.c
|
||||
--- gdb-6.8-base/gdb/testsuite/gdb.threads/attach-stopped.c 2008-08-27 17:44:23.000000000 +0200
|
||||
+++ gdb-6.8/gdb/testsuite/gdb.threads/attach-stopped.c 2008-08-27 18:13:41.000000000 +0200
|
||||
@@ -1,19 +1,20 @@
|
||||
/* This testcase is part of GDB, the GNU debugger.
|
||||
|
||||
- Copyright 2008 Free Software Foundation, Inc.
|
||||
+ Copyright 2005-2007 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
|
||||
+ 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, see <http://www.gnu.org/licenses/>. */
|
||||
+ along with this program; if not, write to the Free Software
|
||||
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* This program is intended to be started outside of gdb, then
|
||||
manually stopped via a signal. */
|
||||
diff -up -u -X /home/jkratoch2/.diffi.list -rup gdb-6.8-base/gdb/testsuite/gdb.threads/attach-stopped.exp gdb-6.8/gdb/testsuite/gdb.threads/attach-stopped.exp
|
||||
--- gdb-6.8-base/gdb/testsuite/gdb.threads/attach-stopped.exp 2008-08-27 17:44:23.000000000 +0200
|
||||
+++ gdb-6.8/gdb/testsuite/gdb.threads/attach-stopped.exp 2008-08-27 18:13:41.000000000 +0200
|
||||
@@ -1,26 +1,33 @@
|
||||
-# Copyright 2008
|
||||
-# Free Software Foundation, Inc.
|
||||
+# Copyright 2005-2007
|
||||
|
||||
# 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
|
||||
+# 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, see <http://www.gnu.org/licenses/>.
|
||||
+# 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 created by modifying attach.exp.
|
||||
# This file was created by Jeff Johnston <jjohnstn@redhat.com>.
|
||||
# This file was updated by Jan Kratochvil <jan.kratochvil@redhat.com>.
|
||||
|
||||
+if $tracelevel then {
|
||||
+ strace $tracelevel
|
||||
+}
|
||||
+
|
||||
+set prms_id 0
|
||||
+set bug_id 0
|
||||
+
|
||||
# This test only works on Linux
|
||||
-if { ![isnative] || [is_remote host] || ![istarget *-linux*] } {
|
||||
- continue
|
||||
+if { ![istarget "*-*-linux-gnu*"] } {
|
||||
+ return 0
|
||||
}
|
||||
|
||||
set testfile "attach-stopped"
|
||||
@@ -63,7 +70,65 @@ proc corefunc { threadtype } {
|
||||
gdb_reinitialize_dir $srcdir/$subdir
|
||||
gdb_load ${binfile}
|
||||
|
||||
- # Verify that we can attach to the stopped process.
|
||||
+ # Verify that we can attach to the process by first giving its
|
||||
+ # executable name via the file command, and using attach with the
|
||||
+ # process ID.
|
||||
+
|
||||
+ set test "$threadtype: set file, before attach1 to stopped process"
|
||||
+ gdb_test_multiple "file $binfile" "$test" {
|
||||
+ -re "Load new symbol table from.*y or n. $" {
|
||||
+ gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \
|
||||
+ "$test (re-read)"
|
||||
+ }
|
||||
+ -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" {
|
||||
+ pass "$test"
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ set test "$threadtype: attach1 to stopped, after setting file"
|
||||
+ gdb_test_multiple "attach $testpid" "$test" {
|
||||
+ -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
|
||||
+ pass "$test"
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ # ".*sleep.*clone.*" would fail on s390x as bt stops at START_THREAD there.
|
||||
+ if {[string equal $threadtype threaded]} {
|
||||
+ gdb_test "thread apply all bt" ".*sleep.*start_thread.*" "$threadtype: attach1 to stopped bt"
|
||||
+ } else {
|
||||
+ gdb_test "bt" ".*sleep.*main.*" "$threadtype: attach1 to stopped bt"
|
||||
+ }
|
||||
+
|
||||
+ # Exit and detach the process.
|
||||
+
|
||||
+ gdb_exit
|
||||
+
|
||||
+ # Avoid some race:
|
||||
+ sleep 2
|
||||
+
|
||||
+ if [catch {open /proc/${testpid}/status r} fileid] {
|
||||
+ set line2 "NOTFOUND"
|
||||
+ } else {
|
||||
+ gets $fileid line1;
|
||||
+ gets $fileid line2;
|
||||
+ close $fileid;
|
||||
+ }
|
||||
+
|
||||
+ set test "$threadtype: attach1, exit leaves process stopped"
|
||||
+ if {[string match "*(stopped)*" $line2]} {
|
||||
+ pass $test
|
||||
+ } else {
|
||||
+ fail $test
|
||||
+ }
|
||||
+
|
||||
+ # At this point, the process should still be stopped
|
||||
+
|
||||
+ gdb_start
|
||||
+ gdb_reinitialize_dir $srcdir/$subdir
|
||||
+ gdb_load ${binfile}
|
||||
+
|
||||
+ # Verify that we can attach to the process just by giving the
|
||||
+ # process ID.
|
||||
|
||||
set test "$threadtype: attach2 to stopped, after setting file"
|
||||
gdb_test_multiple "attach $testpid" "$test" {
|
||||
diff -up -u -X /home/jkratoch2/.diffi.list -rup gdb-6.8-base/gdb/testsuite/gdb.threads/attachstop-mt.c gdb-6.8/gdb/testsuite/gdb.threads/attachstop-mt.c
|
||||
--- gdb-6.8-base/gdb/testsuite/gdb.threads/attachstop-mt.c 2008-08-27 17:44:23.000000000 +0200
|
||||
+++ gdb-6.8/gdb/testsuite/gdb.threads/attachstop-mt.c 2008-08-27 18:13:41.000000000 +0200
|
||||
@@ -1,19 +1,20 @@
|
||||
/* This testcase is part of GDB, the GNU debugger.
|
||||
|
||||
- Copyright 2008 Free Software Foundation, Inc.
|
||||
+ 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 3 of the License, or
|
||||
+ 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, see <http://www.gnu.org/licenses/>. */
|
||||
+ along with this program; if not, write to the Free Software
|
||||
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* This program is intended to be started outside of gdb, then
|
||||
manually stopped via a signal. */
|
||||
diff -up -u -X /home/jkratoch2/.diffi.list -rup gdb-6.8-base/gdb/testsuite/gdb.threads/attachstop-mt.exp gdb-6.8/gdb/testsuite/gdb.threads/attachstop-mt.exp
|
||||
--- gdb-6.8-base/gdb/testsuite/gdb.threads/attachstop-mt.exp 2008-08-27 17:44:23.000000000 +0200
|
||||
+++ gdb-6.8/gdb/testsuite/gdb.threads/attachstop-mt.exp 2008-08-27 18:13:41.000000000 +0200
|
||||
@@ -1,26 +1,33 @@
|
||||
-# Copyright 2008
|
||||
-# Free Software Foundation, Inc.
|
||||
+# Copyright 2006
|
||||
|
||||
# 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
|
||||
+# 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, see <http://www.gnu.org/licenses/>.
|
||||
+# 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 created by modifying gdb.threads/attachstop.
|
||||
# This file was created by Jan Kratochvil <jan.kratochvil@redhat.com>.
|
||||
# Regression for: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=197584
|
||||
|
||||
+if $tracelevel then {
|
||||
+ strace $tracelevel
|
||||
+}
|
||||
+
|
||||
+set prms_id 0
|
||||
+set bug_id 0
|
||||
+
|
||||
# This test only works on Linux
|
||||
-if { ![isnative] || [is_remote host] || ![istarget *-linux*] } {
|
||||
- continue
|
||||
+if { ![istarget "*-*-linux-gnu*"] } {
|
||||
+ return 0
|
||||
}
|
||||
|
||||
set testfile "attachstop-mt"
|
||||
@@ -169,12 +176,23 @@ gdb_test "bt" ".*sleep.*(func|main).*" "
|
||||
# Exit and detach the process.
|
||||
gdb_exit
|
||||
|
||||
-# Stop the program
|
||||
-remote_exec build "kill -s STOP ${testpid}"
|
||||
-
|
||||
# No race
|
||||
sleep 2
|
||||
|
||||
+set fileid3 [open $status2 r];
|
||||
+gets $fileid3 line1;
|
||||
+gets $fileid3 line2;
|
||||
+close $fileid3;
|
||||
+
|
||||
+set test "attach3, exit leaves process stopped"
|
||||
+if {[string match "*(stopped)*" $line2]} {
|
||||
+ pass $test
|
||||
+} else {
|
||||
+ fail $test
|
||||
+}
|
||||
+
|
||||
+# At this point, the process should still be stopped
|
||||
+
|
||||
# Continue the test as we would hit another expected bug regarding
|
||||
# Program received signal SIGSTOP, Stopped (signal).
|
||||
# across NPTL threads.
|
||||
1260
gdb-6.8-attach-signalled-upstream.patch
Normal file
1260
gdb-6.8-attach-signalled-upstream.patch
Normal file
File diff suppressed because it is too large
Load Diff
18
gdb-6.8-breakpoint-gone.patch
Normal file
18
gdb-6.8-breakpoint-gone.patch
Normal file
@ -0,0 +1,18 @@
|
||||
A part of:
|
||||
http://sourceware.org/ml/gdb-cvs/2008-06/msg00160.html
|
||||
|
||||
It was crashing the RH testcase `gdb.threads/watchthreads2.exp'.
|
||||
|
||||
diff -up -u -X /root/jkratoch/.diffi.list -rup gdb-6.8/gdb/breakpoint.c gdb-6.8-patched/gdb/breakpoint.c
|
||||
--- gdb-6.8/gdb/breakpoint.c 2008-08-28 11:56:56.000000000 +0200
|
||||
+++ gdb-6.8-patched/gdb/breakpoint.c 2008-08-28 11:53:43.000000000 +0200
|
||||
@@ -3173,6 +3173,9 @@ bpstat_what (bpstat bs)
|
||||
/* I suspect this can happen if it was a momentary breakpoint
|
||||
which has since been deleted. */
|
||||
continue;
|
||||
+ if (bs->breakpoint_at->owner == NULL)
|
||||
+ bs_class = bp_nostop;
|
||||
+ else
|
||||
switch (bs->breakpoint_at->owner->type)
|
||||
{
|
||||
case bp_none:
|
||||
27
gdb.spec
27
gdb.spec
@ -13,7 +13,7 @@ Version: 6.8
|
||||
|
||||
# The release always contains a leading reserved number, start it at 1.
|
||||
# `upstream' is not a part of `name' to stay fully rpm dependencies compatible for the testing.
|
||||
Release: 22%{?_with_upstream:.upstream}%{?dist}
|
||||
Release: 23%{?_with_upstream:.upstream}%{?dist}
|
||||
|
||||
License: GPLv3+
|
||||
Group: Development/Debuggers
|
||||
@ -278,11 +278,6 @@ Patch249: gdb-6.6-gcore32-test.patch
|
||||
# Avoid too long timeouts on failing cases of "annota1.exp annota3.exp".
|
||||
Patch254: gdb-6.6-testsuite-timeouts.patch
|
||||
|
||||
# Fix attaching to stopped processes (BZ 219118, 233852).
|
||||
# Fix attaching during a pending signal being delivered.
|
||||
Patch256: gdb-6.7-bz233852-attach-signalled-fix.patch
|
||||
Patch275: gdb-6.7-bz233852-attach-signalled-test.patch
|
||||
|
||||
# Support for stepping over PPC atomic instruction sequences (BZ 237572).
|
||||
Patch258: gdb-6.6-bz237572-ppc-atomic-sequence-test.patch
|
||||
|
||||
@ -414,6 +409,13 @@ Patch333: gdb-6.8-fortran-module-ignore.patch
|
||||
# bare names of constructors and destructors should be unique for GDB-6.8+.
|
||||
Patch334: gdb-6.8-ctors-dtors-unique.patch
|
||||
|
||||
# Fix attaching to stopped processes and/or pending signals.
|
||||
Patch336: gdb-6.8-attach-signalled-upstream.patch
|
||||
Patch337: gdb-6.8-attach-signalled-detach-stopped.patch
|
||||
|
||||
# Fix occasional crash on a removed watchpoint.
|
||||
Patch338: gdb-6.8-breakpoint-gone.patch
|
||||
|
||||
BuildRequires: ncurses-devel glibc-devel gcc make gzip texinfo dejagnu gettext
|
||||
BuildRequires: flex bison sharutils expat-devel
|
||||
Requires: readline
|
||||
@ -565,7 +567,6 @@ rm -f gdb/jv-exp.c gdb/m2-exp.c gdb/objc-exp.c gdb/p-exp.c
|
||||
%patch247 -p1
|
||||
%patch249 -p1
|
||||
%patch254 -p1
|
||||
###%patch256 -p1
|
||||
%patch258 -p1
|
||||
%patch260 -p1
|
||||
%patch261 -p1
|
||||
@ -574,7 +575,6 @@ rm -f gdb/jv-exp.c gdb/m2-exp.c gdb/objc-exp.c gdb/p-exp.c
|
||||
%patch266 -p1
|
||||
%patch271 -p1
|
||||
%patch274 -p1
|
||||
%patch275 -p1
|
||||
%patch277 -p1
|
||||
%patch280 -p1
|
||||
%patch282 -p1
|
||||
@ -613,6 +613,9 @@ rm -f gdb/jv-exp.c gdb/m2-exp.c gdb/objc-exp.c gdb/p-exp.c
|
||||
%patch332 -p1
|
||||
%patch333 -p1
|
||||
%patch334 -p1
|
||||
%patch336 -p1
|
||||
%patch337 -p1
|
||||
%patch338 -p1
|
||||
%patch124 -p1
|
||||
|
||||
find -name "*.orig" | xargs rm -f
|
||||
@ -879,6 +882,14 @@ fi
|
||||
%endif
|
||||
|
||||
%changelog
|
||||
* Thu Aug 28 2008 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.8-23
|
||||
- Fix attaching to stopped processes, based on the upstream version now.
|
||||
- Just kernel-2.6.25 neither upstream nor utrace work with it; 2.6.9 works.
|
||||
- Fix occasional crash on a removed watchpoint.
|
||||
- Fix false testcase FAILs for `gdb.pie/break.exp'.
|
||||
- Fix a false warning (+a testcase FAIL) on s390x watchpoints.
|
||||
- Fix a false FAIL on s390x `gdb.base/dump.exp'.
|
||||
|
||||
* Wed Aug 27 2008 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.8-22
|
||||
- Remove `gdb-6.3-nonthreaded-wp-20050117.patch' as obsoleted + regressing now.
|
||||
- Make the GDB quit processing non-abortable to cleanup everything properly.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user