diff options
Diffstat (limited to 'base/loader/ecoff_object.cc')
| -rw-r--r-- | base/loader/ecoff_object.cc | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/base/loader/ecoff_object.cc b/base/loader/ecoff_object.cc deleted file mode 100644 index 353a5f333..000000000 --- a/base/loader/ecoff_object.cc +++ /dev/null @@ -1,171 +0,0 @@ -/* - * 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. - */ - -#include <string> - -#include "base/loader/ecoff_object.hh" - -#include "mem/functional/functional.hh" -#include "base/loader/symtab.hh" - -#include "base/trace.hh" // for DPRINTF - -#include "base/loader/exec_ecoff.h" -#include "base/loader/coff_sym.h" -#include "base/loader/coff_symconst.h" - -using namespace std; - -ObjectFile * -EcoffObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data) -{ - if (((ecoff_filehdr *)data)->f_magic == ECOFF_MAGIC_ALPHA) { - // it's Alpha ECOFF - return new EcoffObject(fname, fd, len, data, - ObjectFile::Alpha, ObjectFile::Tru64); - } - else { - return NULL; - } -} - - -EcoffObject::EcoffObject(const string &_filename, int _fd, - size_t _len, uint8_t *_data, - Arch _arch, OpSys _opSys) - : ObjectFile(_filename, _fd, _len, _data, _arch, _opSys) -{ - execHdr = (ecoff_exechdr *)fileData; - fileHdr = &(execHdr->f); - aoutHdr = &(execHdr->a); - - entry = aoutHdr->entry; - - text.baseAddr = aoutHdr->text_start; - text.size = aoutHdr->tsize; - - data.baseAddr = aoutHdr->data_start; - data.size = aoutHdr->dsize; - - bss.baseAddr = aoutHdr->bss_start; - bss.size = aoutHdr->bsize; - - 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 -EcoffObject::loadSections(FunctionalMemory *mem, bool loadPhys) -{ - Addr textAddr = text.baseAddr; - Addr dataAddr = data.baseAddr; - - if (loadPhys) { - textAddr &= (ULL(1) << 40) - 1; - dataAddr &= (ULL(1) << 40) - 1; - } - - // Since we don't really have an MMU and all memory is - // zero-filled, there's no need to set up the BSS segment. - mem->prot_write(textAddr, fileData + ECOFF_TXTOFF(execHdr), text.size); - mem->prot_write(dataAddr, fileData + ECOFF_DATOFF(execHdr), data.size); - - return true; -} - - -bool -EcoffObject::loadGlobalSymbols(SymbolTable *symtab) -{ - if (!symtab) - return false; - - if (fileHdr->f_magic != ECOFF_MAGIC_ALPHA) { - warn("loadGlobalSymbols: wrong magic on %s\n", filename); - return false; - } - - ecoff_symhdr *syms = (ecoff_symhdr *)(fileData + fileHdr->f_symptr); - if (syms->magic != magicSym2) { - warn("loadGlobalSymbols: bad symbol header magic on %s\n", filename); - return false; - } - - ecoff_extsym *ext_syms = (ecoff_extsym *)(fileData + syms->cbExtOffset); - - char *ext_strings = (char *)(fileData + syms->cbSsExtOffset); - for (int i = 0; i < syms->iextMax; i++) { - ecoff_sym *entry = &(ext_syms[i].asym); - if (entry->iss != -1) - symtab->insert(entry->value, ext_strings + entry->iss); - } - - return true; -} - -bool -EcoffObject::loadLocalSymbols(SymbolTable *symtab) -{ - if (!symtab) - return false; - - if (fileHdr->f_magic != ECOFF_MAGIC_ALPHA) { - warn("loadGlobalSymbols: wrong magic on %s\n", filename); - return false; - } - - ecoff_symhdr *syms = (ecoff_symhdr *)(fileData + fileHdr->f_symptr); - if (syms->magic != magicSym2) { - warn("loadGlobalSymbols: bad symbol header magic on %s\n", filename); - return false; - } - - ecoff_sym *local_syms = (ecoff_sym *)(fileData + syms->cbSymOffset); - char *local_strings = (char *)(fileData + syms->cbSsOffset); - ecoff_fdr *fdesc = (ecoff_fdr *)(fileData + syms->cbFdOffset); - - for (int i = 0; i < syms->ifdMax; i++) { - ecoff_sym *entry = (ecoff_sym *)(local_syms + fdesc[i].isymBase); - char *strings = (char *)(local_strings + fdesc[i].issBase); - for (int j = 0; j < fdesc[i].csym; j++) { - if (entry[j].st == stGlobal || entry[j].st == stProc) - if (entry[j].iss != -1) - symtab->insert(entry[j].value, strings + entry[j].iss); - } - } - - for (int i = 0; i < syms->isymMax; i++) { - ecoff_sym *entry = &(local_syms[i]); - if (entry->st == stProc) - symtab->insert(entry->value, local_strings + entry->iss); - } - - return true; -} |