52b31ea0a6
#include changes. --HG-- rename : sim/cache/lzss_compression.cc => base/compression/lzss_compression.cc rename : sim/cache/lzss_compression.hh => base/compression/lzss_compression.hh rename : sim/cache/null_compression.hh => base/compression/null_compression.hh rename : sim/hybrid_pred.cc => base/hybrid_pred.cc rename : sim/hybrid_pred.hh => base/hybrid_pred.hh rename : base/aout_object.cc => base/loader/aout_object.cc rename : base/aout_object.hh => base/loader/aout_object.hh rename : base/coff_sym.h => base/loader/coff_sym.h rename : base/coff_symconst.h => base/loader/coff_symconst.h rename : base/ecoff_object.cc => base/loader/ecoff_object.cc rename : base/ecoff_object.hh => base/loader/ecoff_object.hh rename : base/elf_object.cc => base/loader/elf_object.cc rename : base/elf_object.hh => base/loader/elf_object.hh rename : base/exec_aout.h => base/loader/exec_aout.h rename : base/exec_ecoff.h => base/loader/exec_ecoff.h rename : base/object_file.cc => base/loader/object_file.cc rename : base/object_file.hh => base/loader/object_file.hh rename : base/symtab.cc => base/loader/symtab.cc rename : base/symtab.hh => base/loader/symtab.hh rename : sim/predictor.hh => base/predictor.hh rename : sim/sat_counter.cc => base/sat_counter.cc rename : sim/sat_counter.hh => base/sat_counter.hh rename : sim/base_cpu.cc => cpu/base_cpu.cc rename : sim/base_cpu.hh => cpu/base_cpu.hh rename : sim/exec_context.cc => cpu/exec_context.cc rename : sim/exec_context.hh => cpu/exec_context.hh rename : sim/exetrace.cc => cpu/exetrace.cc rename : sim/exetrace.hh => cpu/exetrace.hh rename : sim/op_class.hh => cpu/full_cpu/op_class.hh rename : sim/smt.hh => cpu/full_cpu/smt.hh rename : sim/inst_seq.hh => cpu/inst_seq.hh rename : sim/intr_control.cc => cpu/intr_control.cc rename : sim/intr_control.hh => cpu/intr_control.hh rename : sim/memtest.cc => cpu/memtest/memtest.cc rename : sim/memtest.hh => cpu/memtest/memtest.hh rename : sim/pc_event.cc => cpu/pc_event.cc rename : sim/pc_event.hh => cpu/pc_event.hh rename : sim/simple_cpu.cc => cpu/simple_cpu/simple_cpu.cc rename : sim/simple_cpu.hh => cpu/simple_cpu/simple_cpu.hh rename : sim/static_inst.cc => cpu/static_inst.cc rename : sim/static_inst.hh => cpu/static_inst.hh extra : convert_revision : 05bd41acb2a424f1a38609fd4ac6df681bb479d6
115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
/*
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* Copyright (c) 2003 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <list>
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#include <string>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "cprintf.hh"
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#include "object_file.hh"
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#include "symtab.hh"
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#include "ecoff_object.hh"
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#include "aout_object.hh"
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#include "elf_object.hh"
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using namespace std;
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ObjectFile::ObjectFile(const string &_filename, int _fd,
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size_t _len, uint8_t *_data)
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: filename(_filename), descriptor(_fd), fileData(_data), len(_len)
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{
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}
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ObjectFile::~ObjectFile()
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{
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close();
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}
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void
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ObjectFile::close()
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{
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if (descriptor >= 0) {
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::close(descriptor);
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descriptor = -1;
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}
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if (fileData) {
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::munmap(fileData, len);
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fileData = NULL;
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}
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}
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ObjectFile *
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createObjectFile(const string &fname)
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{
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// open the file
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int fd = open(fname.c_str(), O_RDONLY);
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if (fd < 0) {
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return NULL;
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}
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// find the length of the file by seeking to the end
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size_t len = (size_t)lseek(fd, 0, SEEK_END);
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// mmap the whole shebang
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uint8_t *fileData =
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(uint8_t *)mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0);
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if (fileData == MAP_FAILED) {
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close(fd);
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return NULL;
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}
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ObjectFile *fileObj = NULL;
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// figure out what we have here
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if ((fileObj = EcoffObject::tryFile(fname, fd, len, fileData)) != NULL) {
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return fileObj;
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}
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if ((fileObj = AoutObject::tryFile(fname, fd, len, fileData)) != NULL) {
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return fileObj;
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}
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if ((fileObj = ElfObject::tryFile(fname, fd, len, fileData)) != NULL) {
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return fileObj;
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}
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// don't know what it is
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close(fd);
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munmap(fileData, len);
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return NULL;
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}
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