dtb_object.cc (10508:aa46a8ae3487) dtb_object.cc (10880:61a56f76222b)
1/*
2 * Copyright (c) 2013 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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35#include <cassert>
36
37#include "base/loader/dtb_object.hh"
38#include "sim/byteswap.hh"
39#include "fdt.h"
40#include "libfdt.h"
41
42ObjectFile *
1/*
2 * Copyright (c) 2013 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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35#include <cassert>
36
37#include "base/loader/dtb_object.hh"
38#include "sim/byteswap.hh"
39#include "fdt.h"
40#include "libfdt.h"
41
42ObjectFile *
43DtbObject::tryFile(const std::string &fname, int fd, size_t len, uint8_t *data)
43DtbObject::tryFile(const std::string &fname, size_t len, uint8_t *data)
44{
45 // Check if this is a FDT file by looking for magic number
46 if (fdt_magic((void*)data) == FDT_MAGIC) {
44{
45 // Check if this is a FDT file by looking for magic number
46 if (fdt_magic((void*)data) == FDT_MAGIC) {
47 return new DtbObject(fname, fd, len, data,
47 return new DtbObject(fname, len, data,
48 ObjectFile::UnknownArch, ObjectFile::UnknownOpSys);
49 } else {
50 return NULL;
51 }
52}
53
48 ObjectFile::UnknownArch, ObjectFile::UnknownOpSys);
49 } else {
50 return NULL;
51 }
52}
53
54DtbObject::DtbObject(const std::string &_filename, int _fd,
55 size_t _len, uint8_t *_data,
54DtbObject::DtbObject(const std::string &_filename, size_t _len, uint8_t *_data,
56 Arch _arch, OpSys _opSys)
55 Arch _arch, OpSys _opSys)
57 : ObjectFile(_filename, _fd, _len, _data, _arch, _opSys)
56 : ObjectFile(_filename, _len, _data, _arch, _opSys)
58{
59 text.baseAddr = 0;
60 text.size = len;
61 text.fileImage = fileData;
62
63 data.baseAddr = 0;
64 data.size = 0;
65 data.fileImage = NULL;
66
67 bss.baseAddr = 0;
68 bss.size = 0;
69 bss.fileImage = NULL;
70
71 fileDataMmapped = true;
72}
73
74DtbObject::~DtbObject()
75{
57{
58 text.baseAddr = 0;
59 text.size = len;
60 text.fileImage = fileData;
61
62 data.baseAddr = 0;
63 data.size = 0;
64 data.fileImage = NULL;
65
66 bss.baseAddr = 0;
67 bss.size = 0;
68 bss.fileImage = NULL;
69
70 fileDataMmapped = true;
71}
72
73DtbObject::~DtbObject()
74{
76 if (descriptor >= 0) {
77 ::close(descriptor);
78 descriptor = -1;
79 }
80
81 // Make sure to clean up memory properly depending
82 // on how buffer was allocated.
83 if (fileData && !fileDataMmapped) {
84 delete [] fileData;
85 fileData = NULL;
86 } else if (fileData) {
87 munmap(fileData, len);
88 fileData = NULL;

--- 102 unchanged lines hidden --- 		75 // Make sure to clean up memory properly depending
76 // on how buffer was allocated.
77 if (fileData && !fileDataMmapped) {
78 delete [] fileData;
79 fileData = NULL;
80 } else if (fileData) {
81 munmap(fileData, len);
82 fileData = NULL;

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