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/*******************************************************************************
* Copyright (c) 2007, 2010 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
/*
* This module implements handling of .debug_frame and .eh_frame sections.
*
* Functions in this module use exceptions to report errors, see exceptions.h
*/
#ifndef D_dwarfframe
#define D_dwarfframe
#include <tcf/config.h>
#if ENABLE_ELF && ENABLE_DebugContext
#include <tcf/services/dwarfcache.h>
#include <tcf/services/symbols.h>
/*
* Lookup stack tracing information in ELF file, in .debug_frame and .eh_frame sections.
*
* Given register values in one frame, stack tracing information allows to calculate
* frame address and register values in the next frame.
*
* When function returns, dwarf_stack_trace_fp contains commands to calculate frame address,
* and dwarf_stack_trace_regs contains commands to calculate register values.
* In case of error reading frame data, the function throws an exception.
*
* 'ip' is link-time instruction address.
*/
extern void get_dwarf_stack_frame_info(Context * ctx, ELF_File * file, ELF_Section * sec, U8_T ip);
extern U8_T dwarf_stack_trace_addr;
extern U8_T dwarf_stack_trace_size;
extern StackFrameRegisterLocation * dwarf_stack_trace_fp;
extern int dwarf_stack_trace_regs_cnt;
extern StackFrameRegisterLocation ** dwarf_stack_trace_regs;
#endif /* ENABLE_ELF && ENABLE_DebugContext */
#endif /* D_dwarfframe */
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