From ec688b4723a041044226358bcd4dd6e2da39da49 Mon Sep 17 00:00:00 2001 From: Luca Muscariello Date: Thu, 23 Feb 2017 17:01:02 +0100 Subject: Initial commit: cframework. Longbow and Libparc Change-Id: I90378dbd30da6033b20fb1f829b3b822cf366c59 Signed-off-by: Luca Muscariello --- longbow/src/LongBow/longBow_Backtrace.h | 80 +++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100755 longbow/src/LongBow/longBow_Backtrace.h (limited to 'longbow/src/LongBow/longBow_Backtrace.h') diff --git a/longbow/src/LongBow/longBow_Backtrace.h b/longbow/src/LongBow/longBow_Backtrace.h new file mode 100755 index 00000000..b7b12bef --- /dev/null +++ b/longbow/src/LongBow/longBow_Backtrace.h @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * @file longBow_Backtrace.h + * @ingroup internals + * @brief Support for Stack Traces + * + */ +#ifndef LongBow_longBow_Backtrace_h +#define LongBow_longBow_Backtrace_h +#include + +struct longbow_backtrace; +/** + * @typedef LongBowBacktrace + * @brief A Backtrace representation. + */ +typedef struct longbow_backtrace LongBowBacktrace; + +/** + * Create a `LongBowBacktrace`. + * + * The backtrace includes depth number of elements from the stack. + * + * @param [in] depth The number of elements from the stack to include. + * @param [in] offset The offset of the stack to start the Backtrace. + * @return A pointer to an allocated LongBowBacktrace instance. + */ +LongBowBacktrace *longBowBacktrace_Create(uint32_t depth, uint32_t offset); + +/** + * Get the array of symbols from the given `LongBowBacktrace instance`. + * + * @param [in] backtrace A pointer to a valid LongBowBacktrace instance. + * + * @return An array of nul-terminated, C strings each containing a symbolic representatino of the corresponding stack frame. + * + * Example: + * @code + * { + * <#example#> + * } + * @endcode + */ +char **longBowBacktrace_Symbols(const LongBowBacktrace *backtrace); +/** + * Get the number of frames in the given LongBowBacktrace instance. + * + * @param [in] backtrace A pointer to a valid LongBowBacktrace instance. + * + * @return The number of frames in the LongBowBacktrace. + */ +unsigned int longBowBacktrace_GetFrameCount(const LongBowBacktrace *backtrace); + +/** + * + * @param [in,out] backtracePtr A pointer to a pointer to a valid LongBowBacktrace instance. + */ +void longBowBacktrace_Destroy(LongBowBacktrace **backtracePtr); + +/** + * + * @param [in] backtrace A pointer to a valid LongBowBacktrace instance. + * @return An allocated C string that must be deallocated via longBowMemory_Deallocate(). + */ +char *longBowBacktrace_ToString(const LongBowBacktrace *backtrace); +#endif -- cgit 1.2.3-korg