From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001
From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com>
Date: Thu, 4 Mar 2021 22:54:23 +0500
Subject: Initial commit

---
 Marlin/src/HAL/shared/backtrace/unwarmbytab.h | 31 +++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 Marlin/src/HAL/shared/backtrace/unwarmbytab.h

(limited to 'Marlin/src/HAL/shared/backtrace/unwarmbytab.h')

diff --git a/Marlin/src/HAL/shared/backtrace/unwarmbytab.h b/Marlin/src/HAL/shared/backtrace/unwarmbytab.h
new file mode 100644
index 0000000..e2f80db
--- /dev/null
+++ b/Marlin/src/HAL/shared/backtrace/unwarmbytab.h
@@ -0,0 +1,31 @@
+/***************************************************************************
+ * ARM Stack Unwinder, Michael.McTernan.2001@cs.bris.ac.uk
+ * Updated, adapted and several bug fixes on 2018 by Eduardo José Tagle
+ *
+ * This program is PUBLIC DOMAIN.
+ * This means that there is no copyright and anyone is able to take a copy
+ * for free and use it as they wish, with or without modifications, and in
+ * any context, commerically or otherwise. The only limitation is that I
+ * don't guarantee that the software is fit for any purpose or accept any
+ * liability for its use or misuse - this software is without warranty.
+ ***************************************************************************
+ * File Description: Interface to the memory tracking sub-system.
+ **************************************************************************/
+
+#pragma once
+
+#include "unwarm.h"
+
+typedef struct {
+  uint32_t vrs[16];
+  uint32_t current; /* Address of current byte */
+  int remaining;
+  int byte;
+} UnwTabState;
+
+typedef struct {
+  uint32_t addr_offset;
+  uint32_t insn;
+} UnwTabEntry;
+
+UnwResult UnwindByTableStart(UnwindFrame* frame, const UnwindCallbacks *cb, void *data);
-- 
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