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/*
* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#include "precompiled.hpp"
#if !defined(_WINDOWS) && !defined(__APPLE__)
#include "decoder_elf.hpp"
ElfDecoder::~ElfDecoder() {
if (_opened_elf_files != NULL) {
delete _opened_elf_files;
_opened_elf_files = NULL;
}
}
bool ElfDecoder::decode(address addr, char *buf, int buflen, int* offset, const char* filepath) {
assert(filepath, "null file path");
assert(buf != NULL && buflen > 0, "Invalid buffer");
if (has_error()) return false;
ElfFile* file = get_elf_file(filepath);
if (file == NULL) {
return false;
}
if (!file->decode(addr, buf, buflen, offset)) {
return false;
}
if (buf[0] != '\0') {
demangle(buf, buf, buflen);
}
return true;
}
ElfFile* ElfDecoder::get_elf_file(const char* filepath) {
ElfFile* file;
file = _opened_elf_files;
while (file != NULL) {
if (file->same_elf_file(filepath)) {
return file;
}
file = file->next();
}
file = new (std::nothrow)ElfFile(filepath);
if (file != NULL) {
if (_opened_elf_files != NULL) {
file->set_next(_opened_elf_files);
}
_opened_elf_files = file;
}
return file;
}
#endif
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