mirror of
https://src.fedoraproject.org/rpms/grub2.git
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63f1a982b9
Fixups to work with gcc 8 Experimental https boot support on UEFI XFS fixes for sparse inode support Resolves: rhbz#1575797 Signed-off-by: Peter Jones <pjones@redhat.com>
175 lines
4.6 KiB
Diff
175 lines
4.6 KiB
Diff
From eb1a27144476324a22561383a0a2e61aa327d2f5 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Wed, 27 Jan 2016 09:22:42 -0500
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Subject: [PATCH 153/250] Make grub_fatal() also backtrace.
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---
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grub-core/Makefile.core.def | 3 ++
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grub-core/kern/misc.c | 8 +++++-
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grub-core/lib/arm64/backtrace.c | 62 +++++++++++++++++++++++++++++++++++++++++
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grub-core/lib/backtrace.c | 2 ++
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grub-core/lib/i386/backtrace.c | 14 +++++++++-
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5 files changed, 87 insertions(+), 2 deletions(-)
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create mode 100644 grub-core/lib/arm64/backtrace.c
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diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
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index 75a7ab3441d..3a5d450f3d0 100644
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--- a/grub-core/Makefile.core.def
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+++ b/grub-core/Makefile.core.def
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@@ -175,6 +175,9 @@ kernel = {
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softdiv = lib/division.c;
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+ x86 = lib/i386/backtrace.c;
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+ x86 = lib/backtrace.c;
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+
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i386 = kern/i386/dl.c;
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i386_xen = kern/i386/dl.c;
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diff --git a/grub-core/kern/misc.c b/grub-core/kern/misc.c
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index f1fab700048..5ce89a40c68 100644
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--- a/grub-core/kern/misc.c
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+++ b/grub-core/kern/misc.c
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@@ -24,6 +24,7 @@
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#include <grub/term.h>
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#include <grub/env.h>
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#include <grub/i18n.h>
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+#include <grub/backtrace.h>
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union printf_arg
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{
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@@ -1101,8 +1102,13 @@ grub_xasprintf (const char *fmt, ...)
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static void __attribute__ ((noreturn))
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grub_abort (void)
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{
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+#ifndef GRUB_UTIL
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+#if defined(__i386__) || defined(__x86_64__)
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+ grub_backtrace();
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+#endif
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+#endif
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grub_printf ("\nAborted.");
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-
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+
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#ifndef GRUB_UTIL
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if (grub_term_inputs)
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#endif
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diff --git a/grub-core/lib/arm64/backtrace.c b/grub-core/lib/arm64/backtrace.c
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new file mode 100644
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index 00000000000..1079b5380e1
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--- /dev/null
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+++ b/grub-core/lib/arm64/backtrace.c
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@@ -0,0 +1,62 @@
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+/*
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+ * GRUB -- GRand Unified Bootloader
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+ * Copyright (C) 2009 Free Software Foundation, Inc.
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+ *
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+ * GRUB is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation, either version 3 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * GRUB is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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+ */
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+
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+#include <grub/misc.h>
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+#include <grub/command.h>
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+#include <grub/err.h>
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+#include <grub/dl.h>
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+#include <grub/mm.h>
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+#include <grub/term.h>
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+#include <grub/backtrace.h>
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+
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+#define MAX_STACK_FRAME 102400
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+
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+void
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+grub_backtrace_pointer (int frame)
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+{
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+ while (1)
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+ {
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+ void *lp = __builtin_return_address (frame);
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+ if (!lp)
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+ break;
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+
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+ lp = __builtin_extract_return_addr (lp);
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+
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+ grub_printf ("%p: ", lp);
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+ grub_backtrace_print_address (lp);
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+ grub_printf (" (");
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+ for (i = 0; i < 2; i++)
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+ grub_printf ("%p,", ((void **)ptr) [i + 2]);
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+ grub_printf ("%p)\n", ((void **)ptr) [i + 2]);
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+ nptr = *(void **)ptr;
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+ if (nptr < ptr || (void **) nptr - (void **) ptr > MAX_STACK_FRAME
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+ || nptr == ptr)
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+ {
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+ grub_printf ("Invalid stack frame at %p (%p)\n", ptr, nptr);
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+ break;
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+ }
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+ ptr = nptr;
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+ }
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+}
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+
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+void
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+grub_backtrace (void)
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+{
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+ grub_backtrace_pointer (1);
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+}
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+
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diff --git a/grub-core/lib/backtrace.c b/grub-core/lib/backtrace.c
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index 825a8800e25..c0ad6ab8be1 100644
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--- a/grub-core/lib/backtrace.c
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+++ b/grub-core/lib/backtrace.c
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@@ -29,6 +29,7 @@ GRUB_MOD_LICENSE ("GPLv3+");
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void
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grub_backtrace_print_address (void *addr)
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{
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+#ifndef GRUB_UTIL
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grub_dl_t mod;
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FOR_DL_MODULES (mod)
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@@ -44,6 +45,7 @@ grub_backtrace_print_address (void *addr)
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}
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}
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+#endif
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grub_printf ("%p", addr);
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}
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diff --git a/grub-core/lib/i386/backtrace.c b/grub-core/lib/i386/backtrace.c
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index c3e03c7275c..c67273db3ae 100644
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--- a/grub-core/lib/i386/backtrace.c
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+++ b/grub-core/lib/i386/backtrace.c
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@@ -15,11 +15,23 @@
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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+#include <config.h>
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+#ifdef GRUB_UTIL
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+#define REALLY_GRUB_UTIL GRUB_UTIL
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+#undef GRUB_UTIL
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+#endif
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+
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+#include <grub/symbol.h>
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+#include <grub/dl.h>
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+
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+#ifdef REALLY_GRUB_UTIL
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+#define GRUB_UTIL REALLY_GRUB_UTIL
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+#undef REALLY_GRUB_UTIL
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+#endif
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#include <grub/misc.h>
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#include <grub/command.h>
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#include <grub/err.h>
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-#include <grub/dl.h>
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#include <grub/mm.h>
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#include <grub/term.h>
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#include <grub/backtrace.h>
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--
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2.14.3
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