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f056ae4 |
gdb/linux-nat.c:
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f056ae4 |
- Workaround RHEL-5 kernels for detaching SIGSTOPped processes (BZ 498595).
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f056ae4 |
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f056ae4 |
--- gdb-6.8/gdb-orig/symfile.c 2008-08-21 00:06:50.000000000 +0200
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+++ gdb-6.8/gdb/symfile.c 2008-08-21 22:31:00.000000000 +0200
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f056ae4 |
@@ -1456,8 +1456,10 @@ find_separate_debug_file (struct objfile
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/* Prevent looping on a stripped .debug file. */
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if (build_id_name != NULL && strcmp (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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fe319bc |
--- ./gdb/corelow.c 2010-01-01 16:04:34.000000000 +0100
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fe319bc |
+++ ./gdb/corelow.c 2010-01-01 16:06:26.000000000 +0100
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fe319bc |
@@ -277,7 +277,7 @@ add_to_thread_list (bfd *abfd, asection
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fe319bc |
inferior_ptid = ptid; /* Yes, make it current */
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fe319bc |
}
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fe319bc |
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fe319bc |
-static int build_id_core_loads = 1;
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fe319bc |
+static int build_id_core_loads = 0;
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fe319bc |
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fe319bc |
static void
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fe319bc |
build_id_locate_exec (int from_tty)
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fe319bc |
--- ./gdb/symfile.c 2010-01-01 16:04:35.000000000 +0100
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fe319bc |
+++ ./gdb/symfile.c 2010-01-01 16:06:12.000000000 +0100
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fe319bc |
@@ -1249,7 +1249,7 @@ symbol_file_clear (int from_tty)
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fe319bc |
#define BUILD_ID_VERBOSE_NONE 0
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fe319bc |
#define BUILD_ID_VERBOSE_FILENAMES 1
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fe319bc |
#define BUILD_ID_VERBOSE_BINARY_PARSE 2
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fe319bc |
-static int build_id_verbose = BUILD_ID_VERBOSE_FILENAMES;
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fe319bc |
+static int build_id_verbose = BUILD_ID_VERBOSE_NONE;
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fe319bc |
static void
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fe319bc |
show_build_id_verbose (struct ui_file *file, int from_tty,
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fe319bc |
struct cmd_list_element *c, const char *value)
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f056ae4 |
--- gdb-7.0-orig/gdb/linux-nat.c 2009-12-19 20:53:46.000000000 +0100
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f056ae4 |
+++ gdb-7.0/gdb/linux-nat.c 2009-12-19 20:55:02.000000000 +0100
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f056ae4 |
@@ -1604,8 +1604,22 @@ GPT: lwp %s had signal %s, but it is in
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*status = lp->status;
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}
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f056ae4 |
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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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f056ae4 |
+ /* Workaround RHEL-5 kernel which has unreliable PTRACE_DETACH, SIGSTOP (that
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f056ae4 |
+ many TIDs are left unstopped). See RH Bug 496732. */
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f056ae4 |
+ if (GET_PID (lp->ptid) == pid_was_stopped)
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f056ae4 |
+ {
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f056ae4 |
+ 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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f056ae4 |
+ if (debug_linux_nat)
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f056ae4 |
+ {
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f056ae4 |
+ fprintf_unfiltered (gdb_stdlog,
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f056ae4 |
+ "SC: lwp kill %d %s\n",
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f056ae4 |
+ err,
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f056ae4 |
+ errno ? safe_strerror (errno) : "ERRNO-OK");
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f056ae4 |
+ }
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f056ae4 |
+ }
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f056ae4 |
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f056ae4 |
return 0;
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f056ae4 |
}
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