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Diffstat (limited to 'agent/tcf/services/dwarfframe.h')
-rw-r--r--agent/tcf/services/dwarfframe.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/agent/tcf/services/dwarfframe.h b/agent/tcf/services/dwarfframe.h
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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 <config.h>
+
+#if ENABLE_ELF && ENABLE_DebugContext
+
+#include <framework/context.h>
+#include <services/dwarfcache.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 StackTracingCommandSequence * dwarf_stack_trace_fp;
+
+extern int dwarf_stack_trace_regs_cnt;
+extern StackTracingCommandSequence ** dwarf_stack_trace_regs;
+
+#endif /* ENABLE_ELF && ENABLE_DebugContext */
+
+#endif /* D_dwarfframe */

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