70 lines
2.6 KiB
Diff
70 lines
2.6 KiB
Diff
gdb/linux-nat.c:
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- Workaround RHEL-5 kernels for detaching SIGSTOPped processes (BZ 498595).
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Index: gdb-7.2.50.20110328/gdb/elfread.c
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===================================================================
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--- gdb-7.2.50.20110328.orig/gdb/elfread.c 2011-03-28 18:46:16.000000000 +0200
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+++ gdb-7.2.50.20110328/gdb/elfread.c 2011-03-28 18:48:19.000000000 +0200
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@@ -1083,7 +1083,7 @@ elf_gnu_ifunc_resolver_return_stop (stru
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#define BUILD_ID_VERBOSE_NONE 0
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#define BUILD_ID_VERBOSE_FILENAMES 1
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#define BUILD_ID_VERBOSE_BINARY_PARSE 2
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-static int build_id_verbose = BUILD_ID_VERBOSE_FILENAMES;
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+static int build_id_verbose = BUILD_ID_VERBOSE_NONE;
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static void
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show_build_id_verbose (struct ui_file *file, int from_tty,
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struct cmd_list_element *c, const char *value)
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@@ -2173,8 +2173,10 @@ find_separate_debug_file_by_buildid (str
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if (build_id_name != NULL
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&& filename_cmp (build_id_name, objfile->name) == 0)
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{
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+#if 0 /* RHEL-5 backward behavior compatibility. */
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warning (_("\"%s\": separate debug info file has no debug info"),
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build_id_name);
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+#endif
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xfree (build_id_name);
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}
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else if (build_id_name != NULL)
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Index: gdb-7.2.50.20110328/gdb/corelow.c
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===================================================================
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--- gdb-7.2.50.20110328.orig/gdb/corelow.c 2011-03-28 18:46:16.000000000 +0200
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+++ gdb-7.2.50.20110328/gdb/corelow.c 2011-03-28 18:47:56.000000000 +0200
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@@ -282,7 +282,7 @@ add_to_thread_list (bfd *abfd, asection
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inferior_ptid = ptid; /* Yes, make it current. */
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}
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-static int build_id_core_loads = 1;
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+static int build_id_core_loads = 0;
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static void
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build_id_locate_exec (int from_tty)
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Index: gdb-7.2.50.20110328/gdb/linux-nat.c
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===================================================================
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--- gdb-7.2.50.20110328.orig/gdb/linux-nat.c 2011-03-28 18:46:16.000000000 +0200
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+++ gdb-7.2.50.20110328/gdb/linux-nat.c 2011-03-28 18:47:56.000000000 +0200
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@@ -1774,8 +1774,22 @@ get_pending_status (struct lwp_info *lp,
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target_signal_to_string (signo));
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}
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- if (*status == 0 && GET_PID (lp->ptid) == pid_was_stopped)
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- *status = W_STOPCODE (SIGSTOP);
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+ /* Workaround RHEL-5 kernel which has unreliable PTRACE_DETACH, SIGSTOP (that
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+ many TIDs are left unstopped). See RH Bug 496732. */
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+ if (GET_PID (lp->ptid) == pid_was_stopped)
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+ {
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+ int err;
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+
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+ errno = 0;
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+ err = kill_lwp (GET_LWP (lp->ptid), SIGSTOP);
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+ if (debug_linux_nat)
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+ {
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+ fprintf_unfiltered (gdb_stdlog,
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+ "SC: lwp kill %d %s\n",
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+ err,
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+ errno ? safe_strerror (errno) : "ERRNO-OK");
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+ }
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+ }
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return 0;
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}
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