mirror of
https://src.fedoraproject.org/rpms/grub2.git
synced 2024-11-24 14:32:58 +00:00
175 lines
4.5 KiB
Diff
175 lines
4.5 KiB
Diff
From 2666d3d99c3d979625c28655165195177bc2290c Mon Sep 17 00:00:00 2001
|
|
From: Peter Jones <pjones@redhat.com>
|
|
Date: Wed, 27 Jan 2016 09:22:42 -0500
|
|
Subject: [PATCH 75/84] Make grub_fatal() also backtrace.
|
|
|
|
---
|
|
grub-core/Makefile.core.def | 3 ++
|
|
grub-core/kern/misc.c | 8 +++++-
|
|
grub-core/lib/arm64/backtrace.c | 62 +++++++++++++++++++++++++++++++++++++++++
|
|
grub-core/lib/backtrace.c | 2 ++
|
|
grub-core/lib/i386/backtrace.c | 14 +++++++++-
|
|
5 files changed, 87 insertions(+), 2 deletions(-)
|
|
create mode 100644 grub-core/lib/arm64/backtrace.c
|
|
|
|
diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
|
|
index ac195d1..990e41b 100644
|
|
--- a/grub-core/Makefile.core.def
|
|
+++ b/grub-core/Makefile.core.def
|
|
@@ -157,6 +157,9 @@ kernel = {
|
|
|
|
softdiv = lib/division.c;
|
|
|
|
+ x86 = lib/i386/backtrace.c;
|
|
+ x86 = lib/backtrace.c;
|
|
+
|
|
i386 = kern/i386/dl.c;
|
|
i386_xen = kern/i386/dl.c;
|
|
|
|
diff --git a/grub-core/kern/misc.c b/grub-core/kern/misc.c
|
|
index 81be344..d7dcd97 100644
|
|
--- a/grub-core/kern/misc.c
|
|
+++ b/grub-core/kern/misc.c
|
|
@@ -24,6 +24,7 @@
|
|
#include <grub/term.h>
|
|
#include <grub/env.h>
|
|
#include <grub/i18n.h>
|
|
+#include <grub/backtrace.h>
|
|
|
|
union printf_arg
|
|
{
|
|
@@ -1087,8 +1088,13 @@ grub_xasprintf (const char *fmt, ...)
|
|
static void __attribute__ ((noreturn))
|
|
grub_abort (void)
|
|
{
|
|
+#ifndef GRUB_UTIL
|
|
+#if defined(__i386__) || defined(__x86_64__)
|
|
+ grub_backtrace();
|
|
+#endif
|
|
+#endif
|
|
grub_printf ("\nAborted.");
|
|
-
|
|
+
|
|
#ifndef GRUB_UTIL
|
|
if (grub_term_inputs)
|
|
#endif
|
|
diff --git a/grub-core/lib/arm64/backtrace.c b/grub-core/lib/arm64/backtrace.c
|
|
new file mode 100644
|
|
index 0000000..1079b53
|
|
--- /dev/null
|
|
+++ b/grub-core/lib/arm64/backtrace.c
|
|
@@ -0,0 +1,62 @@
|
|
+/*
|
|
+ * GRUB -- GRand Unified Bootloader
|
|
+ * Copyright (C) 2009 Free Software Foundation, Inc.
|
|
+ *
|
|
+ * GRUB 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
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
+ */
|
|
+
|
|
+#include <grub/misc.h>
|
|
+#include <grub/command.h>
|
|
+#include <grub/err.h>
|
|
+#include <grub/dl.h>
|
|
+#include <grub/mm.h>
|
|
+#include <grub/term.h>
|
|
+#include <grub/backtrace.h>
|
|
+
|
|
+#define MAX_STACK_FRAME 102400
|
|
+
|
|
+void
|
|
+grub_backtrace_pointer (int frame)
|
|
+{
|
|
+ while (1)
|
|
+ {
|
|
+ void *lp = __builtin_return_address (frame);
|
|
+ if (!lp)
|
|
+ break;
|
|
+
|
|
+ lp = __builtin_extract_return_addr (lp);
|
|
+
|
|
+ grub_printf ("%p: ", lp);
|
|
+ grub_backtrace_print_address (lp);
|
|
+ grub_printf (" (");
|
|
+ for (i = 0; i < 2; i++)
|
|
+ grub_printf ("%p,", ((void **)ptr) [i + 2]);
|
|
+ grub_printf ("%p)\n", ((void **)ptr) [i + 2]);
|
|
+ nptr = *(void **)ptr;
|
|
+ if (nptr < ptr || (void **) nptr - (void **) ptr > MAX_STACK_FRAME
|
|
+ || nptr == ptr)
|
|
+ {
|
|
+ grub_printf ("Invalid stack frame at %p (%p)\n", ptr, nptr);
|
|
+ break;
|
|
+ }
|
|
+ ptr = nptr;
|
|
+ }
|
|
+}
|
|
+
|
|
+void
|
|
+grub_backtrace (void)
|
|
+{
|
|
+ grub_backtrace_pointer (1);
|
|
+}
|
|
+
|
|
diff --git a/grub-core/lib/backtrace.c b/grub-core/lib/backtrace.c
|
|
index 825a880..c0ad6ab 100644
|
|
--- a/grub-core/lib/backtrace.c
|
|
+++ b/grub-core/lib/backtrace.c
|
|
@@ -29,6 +29,7 @@ GRUB_MOD_LICENSE ("GPLv3+");
|
|
void
|
|
grub_backtrace_print_address (void *addr)
|
|
{
|
|
+#ifndef GRUB_UTIL
|
|
grub_dl_t mod;
|
|
|
|
FOR_DL_MODULES (mod)
|
|
@@ -44,6 +45,7 @@ grub_backtrace_print_address (void *addr)
|
|
}
|
|
}
|
|
|
|
+#endif
|
|
grub_printf ("%p", addr);
|
|
}
|
|
|
|
diff --git a/grub-core/lib/i386/backtrace.c b/grub-core/lib/i386/backtrace.c
|
|
index c3e03c7..c67273d 100644
|
|
--- a/grub-core/lib/i386/backtrace.c
|
|
+++ b/grub-core/lib/i386/backtrace.c
|
|
@@ -15,11 +15,23 @@
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
+#include <config.h>
|
|
+#ifdef GRUB_UTIL
|
|
+#define REALLY_GRUB_UTIL GRUB_UTIL
|
|
+#undef GRUB_UTIL
|
|
+#endif
|
|
+
|
|
+#include <grub/symbol.h>
|
|
+#include <grub/dl.h>
|
|
+
|
|
+#ifdef REALLY_GRUB_UTIL
|
|
+#define GRUB_UTIL REALLY_GRUB_UTIL
|
|
+#undef REALLY_GRUB_UTIL
|
|
+#endif
|
|
|
|
#include <grub/misc.h>
|
|
#include <grub/command.h>
|
|
#include <grub/err.h>
|
|
-#include <grub/dl.h>
|
|
#include <grub/mm.h>
|
|
#include <grub/term.h>
|
|
#include <grub/backtrace.h>
|
|
--
|
|
2.5.0
|
|
|