[176] | 1 | /* -*- C++ -*- */ |
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| 2 | |
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| 3 | #ifndef _TRACEHEAP_H_ |
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| 4 | #define _TRACEHEAP_H_ |
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| 5 | |
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| 6 | #include <stdlib.h> |
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| 7 | |
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| 8 | #ifdef WIN32 |
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| 9 | #include <io.h> |
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| 10 | #endif |
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| 11 | |
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| 12 | #include <fcntl.h> |
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| 13 | #include <sys/types.h> |
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| 14 | #include <sys/stat.h> |
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| 15 | #include <string.h> |
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| 16 | #include <stdio.h> |
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| 17 | |
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| 18 | // An object that manages direct writing to a file. |
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| 19 | |
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| 20 | class FileObject { |
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| 21 | public: |
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| 22 | |
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| 23 | FileObject (void) |
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| 24 | : isOpen (0) |
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| 25 | {} |
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| 26 | |
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| 27 | ~FileObject (void) { |
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| 28 | close(); |
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| 29 | } |
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| 30 | |
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| 31 | void open (char * fname) |
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| 32 | { |
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| 33 | #if 1 |
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| 34 | file = fopen(fname, "w+"); |
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| 35 | #else |
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| 36 | #ifdef WIN32 |
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| 37 | file = _open(fname, _O_WRONLY | _O_CREAT, _S_IREAD | _S_IWRITE); |
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| 38 | #else |
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| 39 | file = ::open(fname, O_WRONLY | O_CREAT, S_IREAD | S_IWRITE); |
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| 40 | #endif |
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| 41 | #endif |
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| 42 | } |
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| 43 | |
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| 44 | int is_open (void) { |
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| 45 | return isOpen; |
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| 46 | } |
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| 47 | |
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| 48 | void close (void) |
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| 49 | { |
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| 50 | if (isOpen) { |
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| 51 | #if 1 |
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| 52 | fclose (file); |
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| 53 | #else |
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| 54 | #ifdef WIN32 |
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| 55 | _close (file); |
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| 56 | #else |
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| 57 | ::close (file); |
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| 58 | #endif |
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| 59 | #endif |
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| 60 | isOpen = 0; |
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| 61 | } |
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| 62 | } |
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| 63 | |
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| 64 | |
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| 65 | friend FileObject& operator<<(FileObject& f, int n) { |
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| 66 | // fprintf (f.file, "%d", n); |
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| 67 | char buf[255]; |
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| 68 | sprintf (buf, "%d", n); |
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| 69 | f.writeString (buf); |
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| 70 | return f; |
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| 71 | } |
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| 72 | |
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| 73 | friend FileObject& operator<<(FileObject& f, char * s) { |
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| 74 | // fprintf (f.file, "%s", s); |
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| 75 | char buf[255]; |
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| 76 | sprintf (buf, "%s", s); |
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| 77 | f.writeString (buf); |
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| 78 | return f; |
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| 79 | } |
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| 80 | |
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| 81 | friend FileObject& operator<<(FileObject& f, void * s) { |
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| 82 | // fprintf (f.file, "%p", s); |
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| 83 | char buf[255]; |
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| 84 | sprintf (buf, "%p", s); |
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| 85 | f.writeString (buf); |
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| 86 | return f; |
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| 87 | } |
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| 88 | |
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| 89 | private: |
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| 90 | |
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| 91 | void writeString (char * buf) { |
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| 92 | #if 1 |
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| 93 | fprintf(file, buf); |
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| 94 | #else |
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| 95 | #ifdef WIN32 |
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| 96 | _write (file, buf, strlen(buf)); |
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| 97 | #else |
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| 98 | write (file, buf, strlen(buf)); |
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| 99 | #endif |
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| 100 | #endif |
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| 101 | } |
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| 102 | |
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| 103 | #if 1 |
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| 104 | FILE * file; |
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| 105 | #else |
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| 106 | int file; |
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| 107 | #endif |
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| 108 | |
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| 109 | bool isOpen; |
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| 110 | |
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| 111 | }; |
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| 112 | |
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| 113 | |
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| 114 | // The TraceHeap itself. |
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| 115 | // Traces malloc & free calls. |
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| 116 | |
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| 117 | template <class Super, int Number> |
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| 118 | class TraceHeap : public Super { |
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| 119 | public: |
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| 120 | |
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| 121 | TraceHeap (void) |
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| 122 | { |
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| 123 | if (!theFile().is_open()) { |
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| 124 | char fname[255]; |
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| 125 | sprintf (fname, "trace-%d", Number); |
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| 126 | theFile().open (fname); |
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| 127 | printf ("OPEN %s\n", fname); |
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| 128 | } |
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| 129 | getRefs()++; |
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| 130 | } |
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| 131 | |
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| 132 | ~TraceHeap (void) |
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| 133 | { |
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| 134 | // theFile() << ::std::flush; |
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| 135 | --getRefs(); |
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| 136 | if (getRefs() == 0) { |
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| 137 | if (theFile().is_open()) |
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| 138 | theFile().close(); |
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| 139 | } |
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| 140 | } |
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| 141 | |
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| 142 | inline void * malloc (size_t sz) { |
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| 143 | void * ptr = Super::malloc (sz); |
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| 144 | theFile() << "M " << Number << "\t" << sz << "\t" << ptr << "\n"; |
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| 145 | return ptr; |
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| 146 | } |
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| 147 | |
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| 148 | inline void free (void * ptr) { |
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| 149 | theFile() << "F " << Number << "\t" << ptr << "\n"; |
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| 150 | Super::free (ptr); |
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| 151 | } |
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| 152 | |
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| 153 | private: |
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| 154 | |
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| 155 | FileObject& theFile (void) { |
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| 156 | static FileObject f; |
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| 157 | return f; |
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| 158 | } |
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| 159 | |
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| 160 | int& getRefs (void) { |
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| 161 | static int refs = 0; |
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| 162 | return refs; |
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| 163 | } |
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| 164 | |
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| 165 | }; |
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| 166 | |
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| 167 | |
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| 168 | #endif |
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| 169 | |
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| 170 | #if 0 |
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| 171 | /* -*- C++ -*- */ |
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| 172 | #ifndef _TRACEHEAP_H_ |
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| 173 | #define _TRACEHEAP_H_ |
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| 174 | // #include <iostream.h> |
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| 175 | //#include <fstream.h> |
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| 176 | #include <fstream> |
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| 177 | #include <map> |
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| 178 | |
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| 179 | template <class Super, int Number> |
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| 180 | class TraceHeap : public Super { |
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| 181 | public: |
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| 182 | |
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| 183 | TraceHeap (void) |
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| 184 | { |
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| 185 | if (!theFile().is_open()) { |
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| 186 | printf ("OPEN\n"); |
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| 187 | theFile().open ("trace"); |
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| 188 | } |
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| 189 | getRefs()++; |
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| 190 | } |
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| 191 | ~TraceHeap (void) |
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| 192 | { |
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| 193 | theFile() << ::std::flush; |
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| 194 | --getRefs(); |
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| 195 | if (getRefs() == 0) { |
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| 196 | if (theFile().is_open()) |
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| 197 | theFile().close(); |
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| 198 | } |
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| 199 | } |
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| 200 | inline void * malloc (size_t sz) { |
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| 201 | void * ptr = Super::malloc (sz); |
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| 202 | theFile() << "M\t" << sz << "\t" << ptr << "\n"; |
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| 203 | return ptr; |
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| 204 | } |
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| 205 | |
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| 206 | inline void free (void * ptr) { |
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| 207 | theFile() << "F\t" << ptr << "\n"; |
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| 208 | Super::free (ptr); |
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| 209 | } |
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| 210 | private: |
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| 211 | std::ofstream& theFile (void) { |
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| 212 | static std::ofstream f; |
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| 213 | return f; |
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| 214 | } |
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| 215 | int& getRefs (void) { |
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| 216 | static int refs = 0; |
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| 217 | return refs; |
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| 218 | } |
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| 219 | }; |
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| 220 | |
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| 221 | #endif |
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| 222 | #endif |
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