X-Git-Url: https://git.llucax.com/software/dgc/cdgc.git/blobdiff_plain/624a6db4949f3e3a7ebba7506166e0f9d4be3e5e..0c03b35e455d2c8bb2c50bb2cdaf3b1538431a0a:/rt/gc/cdgc/gc.d?ds=inline diff --git a/rt/gc/cdgc/gc.d b/rt/gc/cdgc/gc.d index 5787455..ca30f56 100644 --- a/rt/gc/cdgc/gc.d +++ b/rt/gc/cdgc/gc.d @@ -30,7 +30,6 @@ module rt.gc.cdgc.gc; /************** Debugging ***************************/ -//debug = PRINTF; // turn on printf's //debug = COLLECT_PRINTF; // turn on printf's //debug = LOGGING; // log allocations / frees //debug = MEMSTOMP; // stomp on memory @@ -426,7 +425,6 @@ class GC void *p = null; Bins bin; - //debug(PRINTF) printf("GC::malloc(size = %d, gcx = %p)\n", size, gcx); assert(gcx); size += SENTINEL_EXTRA; @@ -481,7 +479,6 @@ class GC gcx.bucket[bin] = (cast(List*)p).next; if( !(bits & BlkAttr.NO_SCAN) ) libc.memset(p + size, 0, binsize[bin] - size); - //debug(PRINTF) printf("\tmalloc => %x\n", p); debug (MEMSTOMP) libc.memset(p, 0xF0, size); } else @@ -534,7 +531,6 @@ class GC { assert(size != 0); - //debug(PRINTF) printf("calloc: %x len %d\n", p, len); void *p = mallocNoSync(size, bits); libc.memset(p, 0, size); return p; @@ -579,7 +575,6 @@ class GC void *p2; size_t psize; - //debug(PRINTF) printf("GC::realloc(p = %x, size = %u)\n", p, size); version (SENTINEL) { sentinel_Invariant(p); @@ -608,7 +603,6 @@ class GC p2 = mallocNoSync(size, bits); if (psize < size) size = psize; - //debug(PRINTF) printf("\tcopying %d bytes\n",size); libc.memcpy(p2, p, size); p = p2; } @@ -689,7 +683,6 @@ class GC p2 = mallocNoSync(size, bits); if (psize < size) size = psize; - //debug(PRINTF) printf("\tcopying %d bytes\n",size); libc.memcpy(p2, p, size); p = p2; } @@ -731,7 +724,6 @@ class GC } body { - //debug(PRINTF) printf("GC::extend(p = %x, minsize = %u, maxsize = %u)\n", p, minsize, maxsize); version (SENTINEL) { return 0; @@ -1083,7 +1075,6 @@ class GC //p = (void *)((uint *)p + 4); if (p > gcx.stackBottom) { - //debug(PRINTF) printf("setStackBottom(%x)\n", p); gcx.stackBottom = p; } } @@ -1092,7 +1083,6 @@ class GC //p = (void *)((uint *)p - 4); if (p < gcx.stackBottom) { - //debug(PRINTF) printf("setStackBottom(%x)\n", p); gcx.stackBottom = cast(char*)p; } } @@ -1151,7 +1141,6 @@ class GC return; } - //debug(PRINTF) printf("+GC.addRange(pbot = x%x, ptop = x%x)\n", pbot, ptop); if (!thread_needLock()) { gcx.addRange(p, p + sz); @@ -1160,7 +1149,6 @@ class GC { gcx.addRange(p, p + sz); } - //debug(PRINTF) printf("-GC.addRange()\n"); } @@ -1190,7 +1178,6 @@ class GC */ void fullCollect() { - debug(PRINTF) printf("GC.fullCollect()\n"); if (!thread_needLock()) { @@ -1204,10 +1191,7 @@ class GC version (none) { GCStats stats; - getStats(stats); - debug(PRINTF) printf("poolsize = %x, usedsize = %x, freelistsize = %x\n", - stats.poolsize, stats.usedsize, stats.freelistsize); } gcx.log_collect(); @@ -1279,7 +1263,6 @@ class GC size_t n; size_t bsize = 0; - //debug(PRINTF) printf("getStats()\n"); libc.memset(&stats, 0, GCStats.sizeof); for (n = 0; n < gcx.npools; n++) @@ -1300,12 +1283,8 @@ class GC for (n = 0; n < B_PAGE; n++) { - //debug(PRINTF) printf("bin %d\n", n); for (List *list = gcx.bucket[n]; list; list = list.next) - { - //debug(PRINTF) printf("\tlist %x\n", list); flsize += binsize[n]; - } } usize = bsize - flsize; @@ -1620,8 +1599,6 @@ struct Gcx */ void addRange(void *pbot, void *ptop) { - debug (PRINTF) printf("%x.Gcx::addRange(%x, %x), nranges = %d\n", this, - pbot, ptop, nranges); if (nranges == rangedim) { size_t newdim = rangedim * 2 + 16; @@ -1649,8 +1626,6 @@ struct Gcx */ void removeRange(void *pbot) { - debug (PRINTF) printf("%x.Gcx.removeRange(%x), nranges = %d\n", this, - pbot, nranges); for (size_t i = nranges; i--;) { if (ranges[i].pbot == pbot) @@ -1661,7 +1636,6 @@ struct Gcx return; } } - debug(PRINTF) printf("Wrong thread\n"); // This is a fatal error, but ignore it. // The problem is that we can get a Close() call on a thread @@ -2019,7 +1993,6 @@ struct Gcx p = pool.baseAddr + pn * PAGESIZE; libc.memset(cast(char *)p + size, 0, npages * PAGESIZE - size); debug (MEMSTOMP) libc.memset(p, 0xF1, size); - //debug(PRINTF) printf("\tp = %x\n", p); return p; Lnomemory: @@ -2039,8 +2012,6 @@ struct Gcx size_t newnpools; size_t i; - //debug(PRINTF) printf("************Gcx::newPool(npages = %d)****************\n", npages); - // Minimum of POOLSIZE if (npages < POOLSIZE/PAGESIZE) npages = POOLSIZE/PAGESIZE; @@ -2114,7 +2085,6 @@ struct Gcx byte* p; byte* ptop; - //debug(PRINTF) printf("Gcx::allocPage(bin = %d)\n", bin); for (n = 0; n < npools; n++) { pool = pooltable[n]; @@ -2158,7 +2128,6 @@ struct Gcx Pool *pool; byte *p = cast(byte *)(*p1); - //if (log) debug(PRINTF) printf("\tmark %x\n", p); if (p >= minAddr && p < maxAddr) { if ((cast(size_t)p & ~(PAGESIZE-1)) == pcache) @@ -2172,14 +2141,9 @@ struct Gcx size_t pn = offset / PAGESIZE; Bins bin = cast(Bins)pool.pagetable[pn]; - //debug(PRINTF) printf("\t\tfound pool %x, base=%x, pn = %d, bin = %d, biti = x%x\n", pool, pool.baseAddr, pn, bin, biti); - // Adjust bit to be at start of allocated memory block if (bin <= B_PAGE) - { biti = (offset & notbinsize[bin]) >> 4; - //debug(PRINTF) printf("\t\tbiti = x%x\n", biti); - } else if (bin == B_PAGEPLUS) { do @@ -2198,10 +2162,8 @@ struct Gcx if (bin >= B_PAGE) // Cache B_PAGE and B_PAGEPLUS lookups pcache = cast(size_t)p & ~(PAGESIZE-1); - //debug(PRINTF) printf("\t\tmark(x%x) = %d\n", biti, pool.mark.test(biti)); if (!pool.mark.test(biti)) { - //if (log) debug(PRINTF) printf("\t\tmarking %x\n", p); pool.mark.set(biti); if (!pool.noscan.test(biti)) { @@ -2467,14 +2429,12 @@ struct Gcx gcx.clrBits(pool, biti, BlkAttr.ALL_BITS); List *list = cast(List *)p; - //debug(PRINTF) printf("\tcollecting %x\n", list); log_free(sentinel_add(list)); debug (MEMSTOMP) libc.memset(p, 0xF3, size); } pool.pagetable[pn] = B_FREE; freed += PAGESIZE; - //debug(PRINTF) printf("freeing entire page %d\n", pn); continue; } } @@ -2490,7 +2450,6 @@ struct Gcx clrBits(pool, biti, BlkAttr.ALL_BITS); List *list = cast(List *)p; - debug(PRINTF) printf("\tcollecting %x\n", list); log_free(sentinel_add(list)); debug (MEMSTOMP) libc.memset(p, 0xF3, size); @@ -2672,16 +2631,13 @@ struct Gcx void log_init() { - //debug(PRINTF) printf("+log_init()\n"); current.reserve(1000); prev.reserve(1000); - //debug(PRINTF) printf("-log_init()\n"); } void log_malloc(void *p, size_t size) { - //debug(PRINTF) printf("+log_malloc(p = %x, size = %d)\n", p, size); Log log; log.p = p; @@ -2694,32 +2650,22 @@ struct Gcx GC.file = null; current.push(log); - //debug(PRINTF) printf("-log_malloc()\n"); } void log_free(void *p) { - //debug(PRINTF) printf("+log_free(%x)\n", p); size_t i; i = current.find(p); - if (i == OPFAIL) - { - debug(PRINTF) printf("free'ing unallocated memory %x\n", p); - } - else + if (i != OPFAIL) current.remove(i); - //debug(PRINTF) printf("-log_free()\n"); } void log_collect() { - //debug(PRINTF) printf("+log_collect()\n"); // Print everything in current that is not in prev - - debug(PRINTF) printf("New pointers this cycle: --------------------------------\n"); size_t used = 0; for (size_t i = 0; i < current.dim; i++) { @@ -2732,7 +2678,6 @@ struct Gcx used++; } - debug(PRINTF) printf("All roots this cycle: --------------------------------\n"); for (size_t i = 0; i < current.dim; i++) { void *p; @@ -2742,30 +2687,21 @@ struct Gcx if (!findPool(current.data[i].parent)) { j = prev.find(current.data[i].p); - if (j == OPFAIL) - debug(PRINTF) printf("N"); - else - debug(PRINTF) printf(" ");; current.data[i].print(); } } - debug(PRINTF) printf("Used = %d-------------------------------------------------\n", used); prev.copy(¤t); - - debug(PRINTF) printf("-log_collect()\n"); } void log_parent(void *p, void *parent) { - //debug(PRINTF) printf("+log_parent()\n"); size_t i; i = current.find(p); if (i == OPFAIL) { - debug(PRINTF) printf("parent'ing unallocated memory %x, parent = %x\n", p, parent); Pool *pool; pool = findPool(p); assert(pool); @@ -2774,13 +2710,9 @@ struct Gcx size_t pn = offset / PAGESIZE; Bins bin = cast(Bins)pool.pagetable[pn]; biti = (offset & notbinsize[bin]); - debug(PRINTF) printf("\tbin = %d, offset = x%x, biti = x%x\n", bin, offset, biti); } else - { current.data[i].parent = parent; - } - //debug(PRINTF) printf("-log_parent()\n"); } } @@ -2814,10 +2746,7 @@ struct Pool void initialize(size_t npages) { - size_t poolsize; - - //debug(PRINTF) printf("Pool::Pool(%u)\n", npages); - poolsize = npages * PAGESIZE; + size_t poolsize = npages * PAGESIZE; assert(poolsize >= POOLSIZE); baseAddr = cast(byte *) alloc.os_mem_map(poolsize); @@ -2826,9 +2755,6 @@ struct Pool if (!baseAddr) { - //debug(PRINTF) printf("GC fail: poolsize = x%x, errno = %d\n", poolsize, errno); - //debug(PRINTF) printf("message = '%s'\n", sys_errlist[errno]); - npages = 0; poolsize = 0; } @@ -2911,17 +2837,13 @@ struct Pool size_t i; size_t n2; - //debug(PRINTF) printf("Pool::allocPages(n = %d)\n", n); n2 = n; for (i = 0; i < npages; i++) { if (pagetable[i] == B_FREE) { if (--n2 == 0) - { - //debug(PRINTF) printf("\texisting pn = %d\n", i - n + 1); return i - n + 1; - } } else n2 = n;