diff options
Diffstat (limited to 'src/lib/kStuff/kDbg/kDbgSymbol.cpp')
-rw-r--r-- | src/lib/kStuff/kDbg/kDbgSymbol.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/lib/kStuff/kDbg/kDbgSymbol.cpp b/src/lib/kStuff/kDbg/kDbgSymbol.cpp new file mode 100644 index 0000000..d542807 --- /dev/null +++ b/src/lib/kStuff/kDbg/kDbgSymbol.cpp @@ -0,0 +1,78 @@ +/* $Id: kDbgSymbol.cpp 29 2009-07-01 20:30:29Z bird $ */ +/** @file + * kDbg - The Debug Info Reader, Symbols. + */ + +/* + * Copyright (c) 2006-2007 Knut St. Osmundsen <bird-kStuff-spamix@anduin.net> + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/******************************************************************************* +* Header Files * +*******************************************************************************/ +#include "kDbgInternal.h" +#include <k/kHlpAlloc.h> + + +/** + * Duplicates a symbol. + * + * To save heap space, the returned symbol will not own more heap space than + * it strictly need to. So, it's not possible to append stuff to the symbol + * or anything of that kind. + * + * @returns Pointer to the duplicate. + * This must be freed using kDbgSymbolFree(). + * @param pSymbol The symbol to be duplicated. + */ +KDBG_DECL(PKDBGSYMBOL) kDbgSymbolDup(PCKDBGSYMBOL pSymbol) +{ + kDbgAssertPtrReturn(pSymbol, NULL); + KSIZE cb = K_OFFSETOF(KDBGSYMBOL, szName[pSymbol->cchName + 1]); + PKDBGSYMBOL pNewSymbol = (PKDBGSYMBOL)kHlpDup(pSymbol, cb); + if (pNewSymbol) + pNewSymbol->cbSelf = cb; + return pNewSymbol; +} + + +/** + * Frees a symbol obtained from the kDbg API. + * + * @returns 0 on success. + * @returns KERR_INVALID_POINTER if pSymbol isn't a valid pointer. + * + * @param pSymbol The symbol to be freed. The null pointer is ignored. + */ +KDBG_DECL(int) kDbgSymbolFree(PKDBGSYMBOL pSymbol) +{ + if (!pSymbol) + { + kDbgAssertPtrReturn(pSymbol, KERR_INVALID_POINTER); + pSymbol->cbSelf = 0; + kHlpFree(pSymbol); + } + return 0; +} + |