diff options
Diffstat (limited to 'src/base/loader/aout_object.cc')
-rw-r--r-- | src/base/loader/aout_object.cc | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/base/loader/aout_object.cc b/src/base/loader/aout_object.cc new file mode 100644 index 000000000..6691bd4ae --- /dev/null +++ b/src/base/loader/aout_object.cc @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Steve Reinhardt + */ + +#include <string> + +#include "base/loader/aout_object.hh" + +#include "base/loader/symtab.hh" + +#include "base/trace.hh" // for DPRINTF + +#include "base/loader/exec_aout.h" + +using namespace std; + +ObjectFile * +AoutObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data) +{ + if (!N_BADMAG(*(aout_exechdr *)data)) { + // right now this is only used for Alpha PAL code + return new AoutObject(fname, fd, len, data, + ObjectFile::Alpha, ObjectFile::UnknownOpSys); + } + else { + return NULL; + } +} + + +AoutObject::AoutObject(const string &_filename, int _fd, + size_t _len, uint8_t *_data, + Arch _arch, OpSys _opSys) + : ObjectFile(_filename, _fd, _len, _data, _arch, _opSys) +{ + execHdr = (aout_exechdr *)fileData; + + entry = execHdr->entry; + + text.baseAddr = N_TXTADDR(*execHdr); + text.size = execHdr->tsize; + text.fileImage = fileData + N_TXTOFF(*execHdr); + + data.baseAddr = N_DATADDR(*execHdr); + data.size = execHdr->dsize; + data.fileImage = fileData + N_DATOFF(*execHdr); + + bss.baseAddr = N_BSSADDR(*execHdr); + bss.size = execHdr->bsize; + bss.fileImage = NULL; + + DPRINTFR(Loader, "text: 0x%x %d\ndata: 0x%x %d\nbss: 0x%x %d\n", + text.baseAddr, text.size, data.baseAddr, data.size, + bss.baseAddr, bss.size); +} + + +bool +AoutObject::loadGlobalSymbols(SymbolTable *symtab) +{ + // a.out symbols not supported yet + return false; +} + +bool +AoutObject::loadLocalSymbols(SymbolTable *symtab) +{ + // a.out symbols not supported yet + return false; +} |