| 1 | // =============================================================== // |
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| 2 | // // |
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| 3 | // File : admalloc.cxx // |
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| 4 | // Purpose : // |
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| 5 | // // |
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| 6 | // Institute of Microbiology (Technical University Munich) // |
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| 7 | // http://www.arb-home.de/ // |
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| 8 | // // |
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| 9 | // =============================================================== // |
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| 10 | |
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| 11 | #include <unistd.h> |
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| 12 | #include <climits> |
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| 13 | #include <set> |
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| 14 | |
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| 15 | #include <arb_backtrace.h> |
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| 16 | #include "gb_storage.h" |
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| 17 | |
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| 18 | // #define DUMP_MEMBLKS |
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| 19 | // #define DUMP_MEMBLKS_AT_EXIT |
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| 20 | |
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| 21 | #ifdef DEBUG |
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| 22 | // #define TEST_MEMBLKS |
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| 23 | // #define TRACE_ALLOCS |
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| 24 | #if defined(WARN_TODO) |
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| 25 | #warning unit tests fail when TRACE_ALLOCS is defined (due to wrong sized block during load(?). cant fix atm. see [6672]) |
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| 26 | #endif |
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| 27 | #endif |
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| 28 | |
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| 29 | #define GBM_MAGIC 0x74732876 |
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| 30 | |
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| 31 | #define GBM_SYSTEM_PAGE_SIZE 4096 // 4k Tables |
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| 32 | #define GBM_MALLOC_OVERHEAD 32 // pointer for alloc |
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| 33 | #define GBM_TABLE_SIZE (GBM_SYSTEM_PAGE_SIZE-GBM_MALLOC_OVERHEAD) // usable size of table |
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| 34 | |
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| 35 | #define GBM_ALIGNED 8 |
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| 36 | #define GBM_LD_ALIGNED 3 |
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| 37 | |
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| 38 | #define GBM_MAX_TABLES 16 // n different sizes -> max = GBM_MAX_TABLES * GBM_ALIGNED |
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| 39 | #define GBM_MAX_SIZE (GBM_MAX_TABLES*GBM_ALIGNED) |
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| 40 | #define GBM_MAX_INDEX 256 // has to be 2 ^ x (with x = GBM_MAX_TABLES ? ) |
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| 41 | |
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| 42 | |
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| 43 | struct gbm_data { |
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| 44 | long magic; // indicates free element |
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| 45 | gbm_data *next; // next free element |
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| 46 | }; |
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| 47 | |
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| 48 | struct gbm_table { // a block containing data |
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| 49 | gbm_table *next; |
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| 50 | gbm_data data[1]; |
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| 51 | }; |
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| 52 | |
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| 53 | static struct gbm_pool { // one pool for each memory index |
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| 54 | gbm_data *gds; // free data area |
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| 55 | size_t size; // free size of current table |
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| 56 | size_t allsize; // full size of all tables |
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| 57 | gbm_table *first; // link list of tables |
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| 58 | gbm_data *tables[GBM_MAX_TABLES+1]; // free entries |
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| 59 | long tablecnt[GBM_MAX_TABLES+1]; // number of free entries |
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| 60 | long useditems[GBM_MAX_TABLES+1]; // number of used items (everything) |
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| 61 | size_t extern_data_size; // not handled by this routine |
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| 62 | long extern_data_items; |
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| 63 | } gbm_pool4idx[GBM_MAX_INDEX]; |
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| 64 | |
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| 65 | static struct { |
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| 66 | char *old_sbrk; |
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| 67 | } gbm_global; |
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| 68 | |
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| 69 | |
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| 70 | #define GBB_INCR 11 // memsize increment in percent between adjacent clusters |
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| 71 | #define GBB_CLUSTERS 64 // # of different clusters |
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| 72 | #define GBB_ALIGN GBM_LD_ALIGNED // align memsize of clusters (# of bits) |
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| 73 | #define GBB_MINSIZE GBM_MAX_SIZE // minimal size of allocated big block |
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| 74 | #define GBB_MAX_TRIALS 4 // maximal number of clusters to search for an unused block |
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| 75 | #define GBB_MAGIC 0x67823747 |
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| 76 | |
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| 77 | struct gbb_data; |
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| 78 | |
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| 79 | struct gbb_freedata { // part of gbb_data if it`s a free block |
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| 80 | // cppcheck-suppress unusedStructMember |
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| 81 | long magic; |
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| 82 | gbb_data *next; // next unused memblock |
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| 83 | }; |
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| 84 | |
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| 85 | struct gbb_data { |
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| 86 | size_t size; // real size of memblock (from `content` to end of block) |
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| 87 | long allocFromSystem; // ==0 -> it`s a block imported by gbm_put_mem |
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| 88 | gbb_freedata content; // startposition of block returned to user or chain info for free blocks |
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| 89 | }; |
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| 90 | |
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| 91 | #define GBB_HEADER_SIZE (sizeof(gbb_data)-sizeof(gbb_freedata)) |
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| 92 | |
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| 93 | static struct gbb_Cluster { |
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| 94 | size_t size; // minimum size of memblocks in this cluster |
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| 95 | gbb_data *first; // first free block |
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| 96 | |
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| 97 | } gbb_cluster[GBB_CLUSTERS+1]; |
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| 98 | |
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| 99 | |
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| 100 | #ifdef TRACE_ALLOCS |
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| 101 | |
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| 102 | class AllocLogEntry { |
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| 103 | void *block; |
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| 104 | size_t size; |
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| 105 | long index; |
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| 106 | |
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| 107 | mutable BackTraceInfo *trace; |
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| 108 | |
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| 109 | public: |
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| 110 | AllocLogEntry(void *block_, size_t size_, long index_, bool do_trace) : |
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| 111 | block(block_), |
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| 112 | size(size_), |
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| 113 | index(index_), |
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| 114 | trace(do_trace ? GBK_get_backtrace(5) : NULp) |
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| 115 | { } |
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| 116 | AllocLogEntry(const AllocLogEntry& other) : |
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| 117 | block(other.block), |
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| 118 | size(other.size), |
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| 119 | index(other.index), |
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| 120 | trace(other.trace) |
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| 121 | { |
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| 122 | other.trace = NULp; |
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| 123 | } |
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| 124 | ~AllocLogEntry() { if (trace) GBK_free_backtrace(trace); } |
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| 125 | |
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| 126 | size_t get_size() const { return size; } |
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| 127 | long get_index() const { return index; } |
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| 128 | |
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| 129 | bool operator<(const AllocLogEntry& other) const { return block < other.block; } |
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| 130 | void dump(FILE *out, GB_CSTR message) const { GBK_dump_former_backtrace(trace, out, message); } |
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| 131 | }; |
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| 132 | |
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| 133 | typedef std::set<AllocLogEntry> AllocLogEntries; |
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| 134 | |
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| 135 | class AllocLogger { |
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| 136 | AllocLogEntries entries; |
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| 137 | |
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| 138 | const AllocLogEntry *existingEntry(void *block) { |
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| 139 | AllocLogEntries::const_iterator found = entries.find(AllocLogEntry(block, 0, 0, false)); |
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| 140 | |
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| 141 | return found == entries.end() ? NULp : &*found; |
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| 142 | } |
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| 143 | |
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| 144 | public: |
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| 145 | AllocLogger() { |
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| 146 | } |
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| 147 | ~AllocLogger() { |
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| 148 | size_t count = entries.size(); |
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| 149 | if (count) { |
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| 150 | fprintf(stderr, "%zu non-freed blocks:\n", count); |
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| 151 | AllocLogEntries::const_iterator end = entries.end(); |
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| 152 | for (AllocLogEntries::const_iterator entry = entries.begin(); entry != end; ++entry) { |
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| 153 | entry->dump(stderr, "block was allocated from here"); |
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| 154 | } |
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| 155 | } |
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| 156 | } |
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| 157 | |
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| 158 | void allocated(void *block, size_t size, long index) { |
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| 159 | const AllocLogEntry *exists = existingEntry(block); |
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| 160 | if (exists) { |
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| 161 | GBK_dump_backtrace(stderr, "Block allocated again"); |
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| 162 | exists->dump(stderr, "Already allocated from here"); |
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| 163 | } |
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| 164 | else { |
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| 165 | entries.insert(AllocLogEntry(block, size, index, true)); |
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| 166 | } |
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| 167 | } |
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| 168 | void freed(void *block, size_t size, long index) { |
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| 169 | const AllocLogEntry *exists = existingEntry(block); |
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| 170 | if (!exists) { |
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| 171 | if (!gb_isMappedMemory(block)) { |
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| 172 | gb_assert(0); |
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| 173 | // GBK_dump_backtrace(stderr, "Tried to free unallocated block"); |
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| 174 | } |
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| 175 | } |
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| 176 | else { |
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| 177 | gb_assert(exists->get_size() == size); |
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| 178 | gb_assert(exists->get_index() == index); |
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| 179 | entries.erase(*exists); |
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| 180 | } |
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| 181 | } |
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| 182 | }; |
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| 183 | |
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| 184 | static AllocLogger allocLogger; |
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| 185 | |
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| 186 | #endif |
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| 187 | |
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| 188 | inline void free_gbm_table(gbm_table *table) { |
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| 189 | while (table) { |
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| 190 | gbm_table *next = table->next; |
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| 191 | |
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| 192 | free(table); |
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| 193 | table = next; |
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| 194 | } |
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| 195 | } |
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| 196 | |
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| 197 | static bool gbm_mem_initialized = false; |
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| 198 | |
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| 199 | void gbm_flush_mem() { |
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| 200 | gb_assert(gbm_mem_initialized); |
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| 201 | |
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| 202 | for (int i = 0; i<GBM_MAX_INDEX; ++i) { |
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| 203 | gbm_pool& gbm = gbm_pool4idx[i]; |
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| 204 | bool have_used_items = false; |
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| 205 | |
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| 206 | for (int t = 0; t < GBM_MAX_TABLES; t++) { |
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| 207 | if (gbm.useditems[t]) { |
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| 208 | have_used_items = true; |
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| 209 | break; |
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| 210 | } |
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| 211 | } |
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| 212 | |
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| 213 | if (!have_used_items) { |
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| 214 | free_gbm_table(gbm.first); |
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| 215 | memset((char*)&gbm, 0, sizeof(gbm)); |
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| 216 | } |
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| 217 | } |
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| 218 | } |
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| 219 | |
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| 220 | void gbm_init_mem() { |
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| 221 | if (!gbm_mem_initialized) { |
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| 222 | for (int i = 0; i<GBM_MAX_INDEX; ++i) { |
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| 223 | memset((char *)&gbm_pool4idx[i], 0, sizeof(gbm_pool)); |
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| 224 | gbm_pool4idx[i].tables[0] = NULp; // CORE zero get mem |
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| 225 | } |
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| 226 | gbm_global.old_sbrk = (char *)sbrk(0); |
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| 227 | |
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| 228 | /* init GBB: |
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| 229 | * --------- */ |
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| 230 | |
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| 231 | gbb_cluster[0].size = GBB_MINSIZE; |
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| 232 | gbb_cluster[0].first = NULp; |
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| 233 | |
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| 234 | for (int i = 1; i<GBB_CLUSTERS; ++i) { |
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| 235 | long nextSize = gbb_cluster[i-1].size * (100+GBB_INCR); |
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| 236 | |
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| 237 | nextSize /= 100; |
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| 238 | nextSize >>= GBB_ALIGN; |
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| 239 | nextSize ++; |
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| 240 | nextSize <<= GBB_ALIGN; |
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| 241 | |
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| 242 | gbb_cluster[i].size = nextSize; |
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| 243 | gbb_cluster[i].first = NULp; |
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| 244 | } |
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| 245 | |
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| 246 | // last cluster contains ALL bigger blocks |
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| 247 | |
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| 248 | gbb_cluster[GBB_CLUSTERS].size = INT_MAX; |
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| 249 | gbb_cluster[GBB_CLUSTERS].first = NULp; |
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| 250 | |
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| 251 | gbm_mem_initialized = true; |
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| 252 | } |
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| 253 | } |
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| 254 | |
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| 255 | struct ARBDB_memory_manager { |
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| 256 | ARBDB_memory_manager() { |
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| 257 | gb_assert(!gbm_mem_initialized); // there may be only one instance! |
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| 258 | gbm_init_mem(); |
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| 259 | } |
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| 260 | ~ARBDB_memory_manager() { |
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| 261 | #if defined(DUMP_MEMBLKS_AT_EXIT) |
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| 262 | printf("memory at exit:\n"); |
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| 263 | gbm_debug_mem(); |
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| 264 | #endif // DUMP_MEMBLKS_AT_EXIT |
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| 265 | gbm_flush_mem(); |
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| 266 | #if defined(DUMP_MEMBLKS_AT_EXIT) |
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| 267 | printf("memory at exit (after flush):\n"); |
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| 268 | gbm_debug_mem(); |
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| 269 | #endif // DUMP_MEMBLKS_AT_EXIT |
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| 270 | } |
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| 271 | }; |
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| 272 | static ARBDB_memory_manager memman; |
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| 273 | |
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| 274 | #ifdef TEST_MEMBLKS |
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| 275 | |
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| 276 | #define TEST() testMemblocks(__FILE__, __LINE__) |
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| 277 | |
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| 278 | void testMemblocks(const char *file, int line) { |
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| 279 | int idx; |
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| 280 | |
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| 281 | for (idx=0; idx<GBB_CLUSTERS; idx++) { |
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| 282 | struct gbb_Cluster *cl = &(gbb_cluster[idx]); |
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| 283 | gbb_data *blk = cl->first; |
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| 284 | |
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| 285 | while (blk) { |
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| 286 | if (blk->size<cl->size) { |
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| 287 | fprintf(stderr, "Illegal block (size=%zu) in cluster %i (size=%zu) (%s,%i)\n", blk->size, idx, cl->size, file, line); |
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| 288 | gb_assert(0); |
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| 289 | } |
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| 290 | blk = blk->content.next; |
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| 291 | } |
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| 292 | } |
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| 293 | } |
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| 294 | |
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| 295 | #else |
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| 296 | # define TEST() |
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| 297 | #endif |
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| 298 | |
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| 299 | |
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| 300 | #if (MEMORY_TEST==0) |
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| 301 | |
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| 302 | static void imemerr(const char *why) { |
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| 303 | GB_internal_errorf("Dangerous internal error: '%s'\n" |
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| 304 | "Inconsistent database: Do not overwrite old files with this database", why); |
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| 305 | } |
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| 306 | |
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| 307 | static int getClusterIndex(size_t size) { |
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| 308 | // searches the index of the lowest cluster for that: size <= cluster->size |
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| 309 | int l, m, h; |
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| 310 | |
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| 311 | if (size<GBB_MINSIZE) return 0; |
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| 312 | |
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| 313 | l = 1; |
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| 314 | h = GBB_CLUSTERS; |
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| 315 | |
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| 316 | while (l!=h) { |
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| 317 | m = (l+h)/2; |
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| 318 | if (gbb_cluster[m].size < size) l = m+1; |
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| 319 | else h = m; |
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| 320 | } |
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| 321 | |
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| 322 | gb_assert(l<=GBB_CLUSTERS); |
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| 323 | |
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| 324 | return l; |
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| 325 | } |
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| 326 | |
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| 327 | static void gbm_put_memblk(char *memblk, size_t size) { |
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| 328 | /* gives any memory block (allocated or not) |
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| 329 | into the responsibility of this module; |
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| 330 | the block has to be aligned!!! */ |
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| 331 | |
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| 332 | gbb_data *block; |
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| 333 | int idx; |
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| 334 | |
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| 335 | TEST(); |
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| 336 | |
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| 337 | #ifdef DUMP_MEMBLKS |
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| 338 | printf("put %p (%li bytes)\n", memblk, size); |
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| 339 | #endif |
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| 340 | |
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| 341 | if (size<(GBB_HEADER_SIZE+GBB_MINSIZE)) { |
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| 342 | GB_internal_errorf("gmb_put_memblk() called with size below %zu bytes", |
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| 343 | GBB_HEADER_SIZE+GBB_MINSIZE); |
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| 344 | return; |
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| 345 | } |
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| 346 | |
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| 347 | block = (gbb_data *)memblk; |
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| 348 | block->size = size-GBB_HEADER_SIZE; |
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| 349 | block->allocFromSystem = 0; |
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| 350 | |
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| 351 | idx = getClusterIndex(block->size)-1; |
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| 352 | if (idx<0) { // (silences warning in NDEBUG mode) |
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| 353 | gb_assert(0); // should be impossible |
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| 354 | return; |
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| 355 | } |
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| 356 | |
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| 357 | block->content.next = gbb_cluster[idx].first; |
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| 358 | block->content.magic = GBB_MAGIC; |
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| 359 | gbb_cluster[idx].first = block; |
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| 360 | |
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| 361 | gb_assert(idx==GBB_CLUSTERS || block->size>=gbb_cluster[idx].size); |
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| 362 | TEST(); |
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| 363 | } |
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| 364 | |
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| 365 | static char *gbm_get_memblk(size_t size) { |
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| 366 | gbb_data *block = NULp; |
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| 367 | int trials = GBB_MAX_TRIALS; |
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| 368 | int idx; |
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| 369 | |
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| 370 | TEST(); |
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| 371 | |
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| 372 | idx = getClusterIndex(size); |
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| 373 | gb_assert(gbb_cluster[idx].size>=size); |
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| 374 | |
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| 375 | while (trials--) { // search a cluster containing a block |
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| 376 | if ((block = gbb_cluster[idx].first)) break; // found! |
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| 377 | if (idx==GBB_CLUSTERS) break; // last cluster! |
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| 378 | idx++; |
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| 379 | } |
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| 380 | |
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| 381 | if (!block) { // if no unused block -> allocate from system |
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| 382 | int allocationSize; |
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| 383 | |
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| 384 | allocFromSys : |
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| 385 | |
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| 386 | allocationSize = (idx==GBB_CLUSTERS |
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| 387 | ? (size_t)size |
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| 388 | : (size_t)(gbb_cluster[idx].size)) + GBB_HEADER_SIZE; |
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| 389 | |
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| 390 | block = (gbb_data *)ARB_calloc<char>(allocationSize); |
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| 391 | |
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| 392 | block->size = allocationSize-GBB_HEADER_SIZE; |
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| 393 | block->allocFromSystem = 1; |
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| 394 | |
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| 395 | gb_assert(block->size>=size); |
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| 396 | |
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| 397 | #ifdef DUMP_MEMBLKS |
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| 398 | printf("allocated %li bytes\n", size); |
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| 399 | #endif |
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| 400 | } |
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| 401 | else { |
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| 402 | gbb_data **blockPtr = &(gbb_cluster[idx].first); |
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| 403 | |
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| 404 | if (idx==GBB_CLUSTERS) { // last cluster (test for block size necessary) |
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| 405 | while ((block=*blockPtr) && block->size<size) |
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| 406 | blockPtr = &(block->content.next); |
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| 407 | |
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| 408 | if (!block) goto allocFromSys; |
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| 409 | gb_assert(block->size>=size); |
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| 410 | } |
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| 411 | |
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| 412 | if (block->content.magic!=GBB_MAGIC) { imemerr("bad magic number if free block"); return NULp; } |
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| 413 | *blockPtr = block->content.next; |
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| 414 | memset((char*)&(block->content), 0, size); // act like calloc |
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| 415 | |
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| 416 | #ifdef DUMP_MEMBLKS |
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| 417 | printf("using unused block " |
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| 418 | "(add=%p,size=%li, block->size=%li,cluster->size=%li)\n", |
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| 419 | block, size, block->size, gbb_cluster[idx].size); |
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| 420 | #endif |
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| 421 | |
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| 422 | gb_assert(block->size>=size); |
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| 423 | } |
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| 424 | |
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| 425 | gb_assert(block->size>=size); |
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| 426 | |
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| 427 | TEST(); |
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| 428 | |
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| 429 | return (char*)&(block->content); |
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| 430 | } |
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| 431 | |
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| 432 | void *gbmGetMemImpl(size_t size, long index) { |
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| 433 | if (size < sizeof(gbm_data)) size = sizeof(gbm_data); |
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| 434 | index &= GBM_MAX_INDEX-1; |
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| 435 | |
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| 436 | gbm_pool *ggi = &gbm_pool4idx[index]; |
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| 437 | unsigned long nsize = (size + (GBM_ALIGNED - 1)) & (-GBM_ALIGNED); |
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| 438 | |
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| 439 | char *result; |
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| 440 | if (nsize > GBM_MAX_SIZE) { |
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| 441 | ggi->extern_data_size += nsize; |
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| 442 | ggi->extern_data_items++; |
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| 443 | |
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| 444 | result = gbm_get_memblk((size_t)nsize); |
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| 445 | } |
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| 446 | else { |
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| 447 | unsigned long pos = nsize >> GBM_LD_ALIGNED; |
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| 448 | gbm_data *gds = ggi->tables[pos]; |
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| 449 | if (gds) { |
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| 450 | ggi->tablecnt[pos]--; |
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| 451 | result = (char *)gds; |
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| 452 | if (gds->magic != GBM_MAGIC) { |
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| 453 | printf("%lX!= %lX\n", gds->magic, (long)GBM_MAGIC); |
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| 454 | GB_internal_error("Dangerous internal error: Inconsistent database: " |
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| 455 | "Do not overwrite old files with this database"); |
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| 456 | } |
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| 457 | ggi->tables[pos] = ggi->tables[pos]->next; |
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| 458 | } |
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| 459 | else { |
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| 460 | if (ggi->size < nsize) { |
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| 461 | gbm_table *gts; |
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| 462 | arb_mem::alloc_aligned((void**)(>s), GBM_SYSTEM_PAGE_SIZE, GBM_TABLE_SIZE); |
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| 463 | |
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| 464 | memset((char *)gts, 0, GBM_TABLE_SIZE); |
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| 465 | ggi->gds = >s->data[0]; |
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| 466 | gts->next = ggi->first; // link tables |
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| 467 | ggi->first = gts; |
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| 468 | ggi->size = GBM_TABLE_SIZE - sizeof(void *); |
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| 469 | ggi->allsize += GBM_TABLE_SIZE; |
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| 470 | } |
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| 471 | result = (char *)ggi->gds; |
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| 472 | ggi->gds = (gbm_data *)(((char *)ggi->gds) + nsize); |
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| 473 | ggi->size -= (size_t)nsize; |
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| 474 | } |
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| 475 | |
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| 476 | ggi->useditems[pos]++; |
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| 477 | memset(result, 0, nsize); // act like calloc() |
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| 478 | } |
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| 479 | |
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| 480 | #ifdef TRACE_ALLOCS |
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| 481 | allocLogger.allocated(erg, size, index); |
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| 482 | #endif |
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| 483 | return result; |
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| 484 | } |
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| 485 | |
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| 486 | void gbmFreeMemImpl(void *data, size_t size, long index) { |
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| 487 | if (size < sizeof(gbm_data)) size = sizeof(gbm_data); |
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| 488 | index &= GBM_MAX_INDEX-1; |
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| 489 | |
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| 490 | gbm_pool *ggi = &gbm_pool4idx[index]; |
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| 491 | long nsize = (size + (GBM_ALIGNED - 1)) & (-GBM_ALIGNED); |
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| 492 | |
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| 493 | #ifdef TRACE_ALLOCS |
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| 494 | allocLogger.freed(data, size, index); |
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| 495 | #endif |
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| 496 | |
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| 497 | if (nsize > GBM_MAX_SIZE) { |
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| 498 | gbb_data *block; |
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| 499 | |
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| 500 | if (gb_isMappedMemory(data)) { |
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| 501 | block = (gbb_data *)data; |
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| 502 | |
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| 503 | block->size = size-GBB_HEADER_SIZE; |
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| 504 | block->allocFromSystem = 0; |
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| 505 | |
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| 506 | if (size>=(GBB_HEADER_SIZE+GBB_MINSIZE)) { |
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| 507 | gbm_put_memblk((char*)block, size); |
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| 508 | } |
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| 509 | } |
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| 510 | else { |
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| 511 | block = (gbb_data *)((char*)data-GBB_HEADER_SIZE); |
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| 512 | |
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| 513 | ggi->extern_data_size -= (size_t)nsize; |
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| 514 | ggi->extern_data_items--; |
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| 515 | |
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| 516 | if (block->size<size) { imemerr("block size does not match"); return; } |
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| 517 | |
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| 518 | if (block->allocFromSystem) { |
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| 519 | free(block); |
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| 520 | } |
|---|
| 521 | else { |
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| 522 | /* printf("put unused block (size=%li block->size=%li)\n", |
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| 523 | size,block->size); */ |
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| 524 | gbm_put_memblk((char*)block, block->size + GBB_HEADER_SIZE); |
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| 525 | } |
|---|
| 526 | } |
|---|
| 527 | } |
|---|
| 528 | else { |
|---|
| 529 | if (gb_isMappedMemory(data)) return; // @@@ reason: size may be shorter |
|---|
| 530 | |
|---|
| 531 | gbm_data *gdata = (gbm_data*)data; |
|---|
| 532 | |
|---|
| 533 | if (gdata->magic == GBM_MAGIC) { |
|---|
| 534 | imemerr("double free"); |
|---|
| 535 | return; |
|---|
| 536 | } |
|---|
| 537 | |
|---|
| 538 | long pos = nsize >> GBM_LD_ALIGNED; |
|---|
| 539 | |
|---|
| 540 | gdata->next = ggi->tables[pos]; |
|---|
| 541 | gdata->magic = GBM_MAGIC; |
|---|
| 542 | ggi->tables[pos] = gdata; |
|---|
| 543 | ggi->tablecnt[pos]++; |
|---|
| 544 | ggi->useditems[pos]--; |
|---|
| 545 | } |
|---|
| 546 | } |
|---|
| 547 | |
|---|
| 548 | #endif // MEMORY_TEST==0 |
|---|
| 549 | |
|---|
| 550 | void gbm_debug_mem() { |
|---|
| 551 | int i; |
|---|
| 552 | int index; |
|---|
| 553 | long total = 0; |
|---|
| 554 | long index_total; |
|---|
| 555 | gbm_pool *ggi; |
|---|
| 556 | |
|---|
| 557 | printf("Memory Debug Information:\n"); |
|---|
| 558 | for (index = 0; index < GBM_MAX_INDEX; index++) { |
|---|
| 559 | index_total = 0; |
|---|
| 560 | ggi = &gbm_pool4idx[index]; |
|---|
| 561 | for (i = 0; i < GBM_MAX_TABLES; i++) { |
|---|
| 562 | index_total += i * GBM_ALIGNED * (int) ggi->useditems[i]; |
|---|
| 563 | total += i * GBM_ALIGNED * (int) ggi->useditems[i]; |
|---|
| 564 | |
|---|
| 565 | if (ggi->useditems[i] || ggi->tablecnt[i]) { |
|---|
| 566 | printf("\t'I=%3i' 'Size=%3i' * 'Items %4i' = 'size %7i' 'sum=%7li' 'totalsum=%7li' : Free %3i\n", |
|---|
| 567 | index, |
|---|
| 568 | i * GBM_ALIGNED, |
|---|
| 569 | (int) ggi->useditems[i], |
|---|
| 570 | i * GBM_ALIGNED * (int) ggi->useditems[i], |
|---|
| 571 | index_total, |
|---|
| 572 | total, |
|---|
| 573 | (int) ggi->tablecnt[i]); |
|---|
| 574 | } |
|---|
| 575 | } |
|---|
| 576 | if (ggi->extern_data_size) { |
|---|
| 577 | index_total += ggi->extern_data_size; |
|---|
| 578 | total += ggi->extern_data_size; |
|---|
| 579 | printf("\t'I=%3i' External Data Items=%3li = Sum=%3li 'sum=%7li' 'total=%7li\n", |
|---|
| 580 | index, |
|---|
| 581 | ggi->extern_data_items, |
|---|
| 582 | (long)ggi->extern_data_size, |
|---|
| 583 | index_total, |
|---|
| 584 | total); |
|---|
| 585 | } |
|---|
| 586 | } |
|---|
| 587 | |
|---|
| 588 | { |
|---|
| 589 | char *topofmem = (char *)sbrk(0); |
|---|
| 590 | printf("spbrk %lx old %lx size %ti\n", |
|---|
| 591 | (long)topofmem, |
|---|
| 592 | (long)gbm_global.old_sbrk, |
|---|
| 593 | topofmem-gbm_global.old_sbrk); |
|---|
| 594 | } |
|---|
| 595 | } |
|---|
| 596 | |
|---|
| 597 | // -------------------------------------------------------------------------------- |
|---|
| 598 | |
|---|
| 599 | #if defined(UNIT_TESTS) && 0 |
|---|
| 600 | |
|---|
| 601 | #include <test_unit.h> |
|---|
| 602 | |
|---|
| 603 | void TEST_ARBDB_memory() { // not a real unit test - just was used for debugging |
|---|
| 604 | #define ALLOCS 69 |
|---|
| 605 | long *blocks[ALLOCS]; |
|---|
| 606 | |
|---|
| 607 | #if (MEMORY_TEST == 0) |
|---|
| 608 | printf("Before allocations:\n"); |
|---|
| 609 | gbm_debug_mem(); |
|---|
| 610 | |
|---|
| 611 | #if 1 |
|---|
| 612 | static int16_t non_alloc[75]; // 150 byte |
|---|
| 613 | gbm_put_memblk((char*)non_alloc, sizeof(non_alloc)); |
|---|
| 614 | |
|---|
| 615 | printf("Added one non-allocated block:\n"); |
|---|
| 616 | gbm_debug_mem(); |
|---|
| 617 | #endif |
|---|
| 618 | #endif |
|---|
| 619 | |
|---|
| 620 | for (int pass = 1; pass <= 2; ++pass) { |
|---|
| 621 | long allocs = 0; |
|---|
| 622 | |
|---|
| 623 | for (size_t size = 10; size<5000; size += size/3) { |
|---|
| 624 | for (long index = 0; index<3; ++index) { |
|---|
| 625 | if (pass == 1) { |
|---|
| 626 | long *block = (long*)gbm_get_mem(size, index); |
|---|
| 627 | |
|---|
| 628 | block[0] = size; |
|---|
| 629 | block[1] = index; |
|---|
| 630 | |
|---|
| 631 | blocks[allocs++] = block; |
|---|
| 632 | } |
|---|
| 633 | else { |
|---|
| 634 | long *block = blocks[allocs++]; |
|---|
| 635 | gbm_free_mem(block, (size_t)block[0], block[1]); |
|---|
| 636 | } |
|---|
| 637 | } |
|---|
| 638 | } |
|---|
| 639 | |
|---|
| 640 | #if (MEMORY_TEST == 0) |
|---|
| 641 | if (pass == 1) { |
|---|
| 642 | printf("%li memory blocks allocated:\n", allocs); |
|---|
| 643 | gbm_debug_mem(); |
|---|
| 644 | } |
|---|
| 645 | else { |
|---|
| 646 | printf("Memory freed:\n"); |
|---|
| 647 | gbm_debug_mem(); |
|---|
| 648 | } |
|---|
| 649 | printf("Memory flushed:\n"); |
|---|
| 650 | gbm_flush_mem(); |
|---|
| 651 | gbm_debug_mem(); |
|---|
| 652 | #endif |
|---|
| 653 | |
|---|
| 654 | gb_assert(allocs == ALLOCS); |
|---|
| 655 | } |
|---|
| 656 | |
|---|
| 657 | GBK_dump_backtrace(stderr, "test"); |
|---|
| 658 | } |
|---|
| 659 | |
|---|
| 660 | |
|---|
| 661 | #endif // UNIT_TESTS |
|---|