X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/931f8df48073275d32886390f5182c5b9663d5fd..4f17c639fb7c5e45bdece89eb9cc8238a70e36b1:/src/xbt/mmalloc/mm_diff.c diff --git a/src/xbt/mmalloc/mm_diff.c b/src/xbt/mmalloc/mm_diff.c index 6edc765b87..c9154e0e84 100644 --- a/src/xbt/mmalloc/mm_diff.c +++ b/src/xbt/mmalloc/mm_diff.c @@ -1,6 +1,7 @@ /* mm_diff - Memory snapshooting and comparison */ -/* Copyright (c) 2008-2012. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2008-2013. The SimGrid Team. + * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -9,30 +10,20 @@ #include "xbt/str.h" #include "mc/mc.h" #include "xbt/mmalloc.h" +#include "mc/datatypes.h" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mm_diff, xbt, "Logging specific to mm_diff in mmalloc"); xbt_dynar_t mc_heap_comparison_ignore; xbt_dynar_t stacks_areas; +void *maestro_stack_start, *maestro_stack_end; -static void heap_area_pair_free(heap_area_pair_t pair); -static void heap_area_pair_free_voidp(void *d); -static int add_heap_area_pair(xbt_dynar_t list, int block1, int fragment1, int block2, int fragment2); -static int is_new_heap_area_pair(xbt_dynar_t list, int block1, int fragment1, int block2, int fragment2); -static heap_area_t new_heap_area(int block, int fragment); -static int compare_area(void *area1, void* area2, size_t size, xbt_dynar_t previous, int check_ignore); -static void match_equals(xbt_dynar_t list, xbt_dynar_t *equals); +/********************************* Backtrace ***********************************/ +/******************************************************************************/ -static int in_mc_comparison_ignore(int block, int fragment); -static size_t heap_comparison_ignore_size(void *address); -static void add_heap_equality(xbt_dynar_t *equals, void *a1, void *a2); -static void remove_heap_equality(xbt_dynar_t *equals, int address, void *a); - -static char* is_stack(void *address); - -void mmalloc_backtrace_block_display(void* heapinfo, int block){ +static void mmalloc_backtrace_block_display(void* heapinfo, int block){ /* xbt_ex_t e; */ @@ -59,7 +50,7 @@ void mmalloc_backtrace_block_display(void* heapinfo, int block){ /* } */ } -void mmalloc_backtrace_fragment_display(void* heapinfo, int block, int frag){ +static void mmalloc_backtrace_fragment_display(void* heapinfo, int block, int frag){ /* xbt_ex_t e; */ @@ -82,7 +73,7 @@ void mmalloc_backtrace_fragment_display(void* heapinfo, int block, int frag){ } -void mmalloc_backtrace_display(void *addr){ +static void mmalloc_backtrace_display(void *addr){ /* size_t block, frag_nb; */ /* int type; */ @@ -113,25 +104,216 @@ void mmalloc_backtrace_display(void *addr){ } -void *s_heap = NULL, *heapbase1 = NULL, *heapbase2 = NULL; -malloc_info *heapinfo1 = NULL, *heapinfo2 = NULL; -size_t heaplimit = 0, heapsize1 = 0, heapsize2 = 0; +static int compare_backtrace(int b1, int f1, int b2, int f2){ + /*int i = 0; + if(f1 != -1){ + for(i=0; i< XBT_BACKTRACE_SIZE; i++){ + if(heapinfo1[b1].busy_frag.bt[f1][i] != heapinfo2[b2].busy_frag.bt[f2][i]){ + //mmalloc_backtrace_fragment_display((void*)heapinfo1, b1, f1); + //mmalloc_backtrace_fragment_display((void*)heapinfo2, b2, f2); + return 1; + } + } + }else{ + for(i=0; i< heapinfo1[b1].busy_block.bt_size; i++){ + if(heapinfo1[b1].busy_block.bt[i] != heapinfo2[b2].busy_block.bt[i]){ + //mmalloc_backtrace_block_display((void*)heapinfo1, b1); + //mmalloc_backtrace_block_display((void*)heapinfo2, b2); + return 1; + } + } + }*/ + return 0; +} + + +/*********************************** Heap comparison ***********************************/ +/***************************************************************************************/ -int ignore_done = 0; +typedef char* type_name; -int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stack1, xbt_dynar_t *stack2, xbt_dynar_t *equals){ +__thread void *s_heap = NULL, *heapbase1 = NULL, *heapbase2 = NULL; +__thread malloc_info *heapinfo1 = NULL, *heapinfo2 = NULL; +__thread size_t heaplimit = 0, heapsize1 = 0, heapsize2 = 0; +__thread xbt_dynar_t to_ignore1 = NULL, to_ignore2 = NULL; +__thread heap_area_t **equals_to1, **equals_to2; +__thread type_name **types1, **types2; - if(heap1 == NULL && heap1 == NULL){ - XBT_DEBUG("Malloc descriptors null"); - return 0; +/*********************************** Free functions ************************************/ + +static void heap_area_pair_free(heap_area_pair_t pair){ + xbt_free(pair); + pair = NULL; +} + +static void heap_area_pair_free_voidp(void *d){ + heap_area_pair_free((heap_area_pair_t) * (void **) d); +} + +static void heap_area_free(heap_area_t area){ + xbt_free(area); + area = NULL; +} + +/************************************************************************************/ + +static heap_area_t new_heap_area(int block, int fragment){ + heap_area_t area = NULL; + area = xbt_new0(s_heap_area_t, 1); + area->block = block; + area->fragment = fragment; + return area; +} + + +static int is_new_heap_area_pair(xbt_dynar_t list, int block1, int fragment1, int block2, int fragment2){ + + unsigned int cursor = 0; + heap_area_pair_t current_pair; + + xbt_dynar_foreach(list, cursor, current_pair){ + if(current_pair->block1 == block1 && current_pair->block2 == block2 && current_pair->fragment1 == fragment1 && current_pair->fragment2 == fragment2) + return 0; } + + return 1; +} + +static int add_heap_area_pair(xbt_dynar_t list, int block1, int fragment1, int block2, int fragment2){ + + if(is_new_heap_area_pair(list, block1, fragment1, block2, fragment2)){ + heap_area_pair_t pair = NULL; + pair = xbt_new0(s_heap_area_pair_t, 1); + pair->block1 = block1; + pair->fragment1 = fragment1; + pair->block2 = block2; + pair->fragment2 = fragment2; + + xbt_dynar_push(list, &pair); - if(heap1->heaplimit != heap2->heaplimit){ - XBT_DEBUG("Different limit of valid info table indices"); return 1; } - /* Heap information */ + return 0; +} + +static ssize_t heap_comparison_ignore_size(xbt_dynar_t ignore_list, void *address){ + + unsigned int cursor = 0; + int start = 0; + int end = xbt_dynar_length(ignore_list) - 1; + mc_heap_ignore_region_t region; + + while(start <= end){ + cursor = (start + end) / 2; + region = (mc_heap_ignore_region_t)xbt_dynar_get_as(ignore_list, cursor, mc_heap_ignore_region_t); + if(region->address == address) + return region->size; + if(region->address < address) + start = cursor + 1; + if(region->address > address) + end = cursor - 1; + } + + return -1; +} + +static int is_stack(void *address){ + unsigned int cursor = 0; + stack_region_t stack; + + xbt_dynar_foreach(stacks_areas, cursor, stack){ + if(address == stack->address) + return 1; + } + + return 0; +} + +static int is_block_stack(int block){ + unsigned int cursor = 0; + stack_region_t stack; + + xbt_dynar_foreach(stacks_areas, cursor, stack){ + if(block == stack->block) + return 1; + } + + return 0; +} + +static void match_equals(xbt_dynar_t list){ + + unsigned int cursor = 0; + heap_area_pair_t current_pair; + heap_area_t previous_area; + + xbt_dynar_foreach(list, cursor, current_pair){ + + if(current_pair->fragment1 != -1){ + + if(equals_to1[current_pair->block1][current_pair->fragment1] != NULL){ + previous_area = equals_to1[current_pair->block1][current_pair->fragment1]; + heap_area_free(equals_to2[previous_area->block][previous_area->fragment]); + equals_to2[previous_area->block][previous_area->fragment] = NULL; + heap_area_free(previous_area); + } + if(equals_to2[current_pair->block2][current_pair->fragment2] != NULL){ + previous_area = equals_to2[current_pair->block2][current_pair->fragment2]; + heap_area_free(equals_to1[previous_area->block][previous_area->fragment]); + equals_to1[previous_area->block][previous_area->fragment] = NULL; + heap_area_free(previous_area); + } + + equals_to1[current_pair->block1][current_pair->fragment1] = new_heap_area(current_pair->block2, current_pair->fragment2); + equals_to2[current_pair->block2][current_pair->fragment2] = new_heap_area(current_pair->block1, current_pair->fragment1); + + }else{ + + if(equals_to1[current_pair->block1][0] != NULL){ + previous_area = equals_to1[current_pair->block1][0]; + heap_area_free(equals_to2[previous_area->block][0]); + equals_to2[previous_area->block][0] = NULL; + heap_area_free(previous_area); + } + if(equals_to2[current_pair->block2][0] != NULL){ + previous_area = equals_to2[current_pair->block2][0]; + heap_area_free(equals_to1[previous_area->block][0]); + equals_to1[previous_area->block][0] = NULL; + heap_area_free(previous_area); + } + + equals_to1[current_pair->block1][0] = new_heap_area(current_pair->block2, current_pair->fragment2); + equals_to2[current_pair->block2][0] = new_heap_area(current_pair->block1, current_pair->fragment1); + + } + + } +} + +static int equal_blocks(int b1, int b2){ + + if(equals_to1[b1][0]->block == b2 && equals_to2[b2][0]->block == b1) + return 1; + + return 0; +} + +static int equal_fragments(int b1, int f1, int b2, int f2){ + + if(equals_to1[b1][f1]->block == b2 && equals_to1[b1][f1]->fragment == f2 && equals_to2[b2][f2]->block == b1 && equals_to2[b2][f2]->fragment == f1) + return 1; + + return 0; +} + +int init_heap_information(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t i1, xbt_dynar_t i2){ + + if((((struct mdesc *)heap1)->heaplimit != ((struct mdesc *)heap2)->heaplimit) || ((((struct mdesc *)heap1)->heapsize != ((struct mdesc *)heap2)->heapsize) )) + return -1; + + int i, j; + heaplimit = ((struct mdesc *)heap1)->heaplimit; s_heap = (char *)mmalloc_get_current_heap() - STD_HEAP_SIZE - getpagesize(); @@ -139,17 +321,103 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac heapbase1 = (char *)heap1 + BLOCKSIZE; heapbase2 = (char *)heap2 + BLOCKSIZE; - heapinfo1 = (malloc_info *)((char *)heap1 + ((uintptr_t)((char *)heap1->heapinfo - (char *)s_heap))); - heapinfo2 = (malloc_info *)((char *)heap2 + ((uintptr_t)((char *)heap2->heapinfo - (char *)s_heap))); + heapinfo1 = (malloc_info *)((char *)heap1 + ((uintptr_t)((char *)((struct mdesc *)heap1)->heapinfo - (char *)s_heap))); + heapinfo2 = (malloc_info *)((char *)heap2 + ((uintptr_t)((char *)((struct mdesc *)heap2)->heapinfo - (char *)s_heap))); heapsize1 = heap1->heapsize; heapsize2 = heap2->heapsize; + to_ignore1 = i1; + to_ignore2 = i2; + + equals_to1 = malloc(heaplimit * sizeof(heap_area_t *)); + types1 = malloc(heaplimit * sizeof(type_name *)); + for(i=0; i<=heaplimit; i++){ + equals_to1[i] = malloc(MAX_FRAGMENT_PER_BLOCK * sizeof(heap_area_t)); + types1[i] = malloc(MAX_FRAGMENT_PER_BLOCK * sizeof(type_name)); + for(j=0; jheapbase + (((char *)addr_block1) - (char *)heapbase1); + addr_block1 = ((void*) (((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase)); if(heapinfo1[i1].type == 0){ /* Large block */ - if((xbt_dynar_length(*stack1) < xbt_dynar_length(stacks_areas)) && ((stack_name = is_stack(real_addr_block1)) != NULL)){ - stack_region_t stack = xbt_new0(s_stack_region_t, 1); - stack->address = addr_block1; - stack->process_name = strdup(stack_name); - stack->size = heapinfo1[i1].busy_block.busy_size; - xbt_dynar_push(*stack1, &stack); - res_compare = -1; - } - - if(heapinfo1[i1].busy_block.busy_size == 0){ - i1++; + if(is_stack(addr_block1)){ + for(k=0; k < heapinfo1[i1].busy_block.size; k++) + equals_to1[i1+k][0] = new_heap_area(i1, -1); + for(k=0; k < heapinfo2[i1].busy_block.size; k++) + equals_to2[i1+k][0] = new_heap_area(i1, -1); + i1 += heapinfo1[i1].busy_block.size; continue; } - if(heapinfo1[i1].busy_block.equal_to != NULL){ + if(equals_to1[i1][0] != NULL){ i1++; continue; } @@ -198,67 +458,34 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac res_compare = 0; /* Try first to associate to same block in the other heap */ - if(heapinfo2[current_block].type == heapinfo1[current_block].type){ + if(heapinfo2[i1].type == heapinfo1[i1].type){ - if(heapinfo2[current_block].busy_block.equal_to == NULL){ - - if(heapinfo1[current_block].busy_block.busy_size == heapinfo2[current_block].busy_block.busy_size){ + if(equals_to2[i1][0] == NULL){ - addr_block2 = ((void*) (((ADDR2UINT(current_block)) - 1) * BLOCKSIZE + (char*)heapbase2)); - real_addr_block2 = (char*)((xbt_mheap_t)s_heap)->heapbase + (((char *)addr_block2) - (char *)heapbase2); - - if((xbt_dynar_length(*stack2) < xbt_dynar_length(stacks_areas)) && ((stack_name = is_stack(real_addr_block2)) != NULL)){ - stack_region_t stack = xbt_new0(s_stack_region_t, 1); - stack->address = addr_block2; - stack->process_name = strdup(stack_name); - stack->size = heapinfo2[current_block].busy_block.busy_size; - xbt_dynar_push(*stack2, &stack); - res_compare = -1; - } + addr_block2 = ((void*) (((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase)); - add_heap_area_pair(previous, current_block, -1, current_block, -1); + res_compare = compare_heap_area(addr_block1, addr_block2, NULL, all_types, other_types, NULL, 0); - if(res_compare != -1){ - if((ignore_done < xbt_dynar_length(mc_heap_comparison_ignore)) && heapinfo1[current_block].busy_block.ignore == 1){ - res_compare = compare_area(addr_block1, addr_block2, heapinfo1[current_block].busy_block.busy_size, previous, 1); - }else{ - res_compare = compare_area(addr_block1, addr_block2, heapinfo1[current_block].busy_block.busy_size, previous, 0); - } - } - - if(res_compare == 0 || res_compare == -1){ - for(k=1; k < heapinfo2[current_block].busy_block.size; k++) - heapinfo2[current_block+k].busy_block.equal_to = new_heap_area(i1, -1); - for(k=1; k < heapinfo1[current_block].busy_block.size; k++) - heapinfo1[current_block+k].busy_block.equal_to = new_heap_area(i1, -1); - equal = 1; - match_equals(previous, equals); - i1 = i1 + heapinfo1[current_block].busy_block.size; - } + if(res_compare != 1){ + for(k=1; k < heapinfo2[i1].busy_block.size; k++) + equals_to2[i1+k][0] = new_heap_area(i1, -1); + for(k=1; k < heapinfo1[i1].busy_block.size; k++) + equals_to1[i1+k][0] = new_heap_area(i1, -1); + equal = 1; + i1 += heapinfo1[i1].busy_block.size; + } - xbt_dynar_reset(previous); + xbt_dynar_reset(previous); - } - } } while(i2 <= heaplimit && !equal){ - addr_block2 = ((void*) (((ADDR2UINT(i2)) - 1) * BLOCKSIZE + (char*)heapbase2)); - real_addr_block2 = (char*)((xbt_mheap_t)s_heap)->heapbase + (((char *)addr_block2) - (char *)heapbase2); - - if((xbt_dynar_length(*stack2) < xbt_dynar_length(stacks_areas)) && ((stack_name = is_stack(real_addr_block2)) != NULL)){ - stack_region_t stack = xbt_new0(s_stack_region_t, 1); - stack->address = addr_block2; - stack->process_name = strdup(stack_name); - stack->size = heapinfo2[i2].busy_block.busy_size; - xbt_dynar_push(*stack2, &stack); - res_compare = -1; - } + addr_block2 = ((void*) (((ADDR2UINT(i2)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase)); - if(i2 == current_block){ + if(i2 == i1){ i2++; continue; } @@ -267,41 +494,21 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac i2++; continue; } - - if(heapinfo2[i2].busy_block.equal_to != NULL){ - i2++; - continue; - } - - if(heapinfo1[i1].busy_block.size != heapinfo2[i2].busy_block.size){ - i2++; - continue; - } - - if(heapinfo1[i1].busy_block.busy_size != heapinfo2[i2].busy_block.busy_size){ + + if(equals_to2[i2][0] != NULL){ i2++; continue; } - - /* Comparison */ - add_heap_area_pair(previous, i1, -1, i2, -1); - - if(res_compare != -1){ - if((ignore_done < xbt_dynar_length(mc_heap_comparison_ignore)) && heapinfo1[i1].busy_block.ignore == 1){ - res_compare = compare_area(addr_block1, addr_block2, heapinfo1[i1].busy_block.busy_size, previous, 1); - }else{ - res_compare = compare_area(addr_block1, addr_block2, heapinfo1[i1].busy_block.busy_size, previous, 0); - } - } + + res_compare = compare_heap_area(addr_block1, addr_block2, NULL, all_types, other_types, NULL, 0); - if(res_compare == 0 || res_compare == -1){ + if(res_compare != 1 ){ for(k=1; k < heapinfo2[i2].busy_block.size; k++) - heapinfo2[i2+k].busy_block.equal_to = new_heap_area(i1, -1); + equals_to2[i2+k][0] = new_heap_area(i1, -1); for(k=1; k < heapinfo1[i1].busy_block.size; k++) - heapinfo1[i1+k].busy_block.equal_to = new_heap_area(i2, -1); + equals_to1[i1+k][0] = new_heap_area(i2, -1); equal = 1; - match_equals(previous, equals); - i1 = i1 + heapinfo1[i1].busy_block.size; + i1 += heapinfo1[i1].busy_block.size; } xbt_dynar_reset(previous); @@ -311,21 +518,20 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac } if(!equal){ - XBT_DEBUG("Block %zu not found (size_used = %zu)", i1, heapinfo1[i1].busy_block.busy_size); + XBT_DEBUG("Block %zu not found (size_used = %zu, addr = %p)", i1, heapinfo1[i1].busy_block.busy_size, addr_block1); i1 = heaplimit + 1; nb_diff1++; + //i1++; } }else{ /* Fragmented block */ for(j1=0; j1 < (size_t) (BLOCKSIZE >> heapinfo1[i1].type); j1++){ - current_fragment = j1; - if(heapinfo1[i1].busy_frag.frag_size[j1] == -1) /* Free fragment */ continue; - if(heapinfo1[i1].busy_frag.equal_to[j1] != NULL) + if(equals_to1[i1][j1] != NULL) continue; addr_frag1 = (void*) ((char *)addr_block1 + (j1 << heapinfo1[i1].type)); @@ -334,38 +540,26 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac equal = 0; /* Try first to associate to same fragment in the other heap */ - if(heapinfo2[current_block].type == heapinfo1[current_block].type){ + if(heapinfo2[i1].type == heapinfo1[i1].type){ - if(heapinfo2[current_block].busy_frag.equal_to[current_fragment] == NULL){ - - if(heapinfo1[current_block].busy_frag.frag_size[current_fragment] == heapinfo2[current_block].busy_frag.frag_size[current_fragment]){ + if(equals_to2[i1][j1] == NULL){ - addr_block2 = ((void*) (((ADDR2UINT(current_block)) - 1) * BLOCKSIZE + (char*)heapbase2)); - addr_frag2 = (void*) ((char *)addr_block2 + (current_fragment << heapinfo2[current_block].type)); - - add_heap_area_pair(previous, current_block, current_fragment, current_block, current_fragment); - - if((ignore_done < xbt_dynar_length(mc_heap_comparison_ignore)) && (heapinfo1[current_block].busy_frag.ignore[current_fragment] == 1)){ - res_compare = compare_area(addr_frag1, addr_frag2, heapinfo1[current_block].busy_frag.frag_size[current_fragment], previous, 1); - }else{ - res_compare = compare_area(addr_frag1, addr_frag2, heapinfo1[current_block].busy_frag.frag_size[current_fragment], previous, 0); - } - - if(res_compare == 0){ - equal = 1; - match_equals(previous, equals); - } - - xbt_dynar_reset(previous); - - } + addr_block2 = ((void*) (((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase)); + addr_frag2 = (void*) ((char *)addr_block2 + (j1 << ((xbt_mheap_t)s_heap)->heapinfo[i1].type)); + + res_compare = compare_heap_area(addr_frag1, addr_frag2, NULL, all_types, other_types, NULL, 0); + + if(res_compare != 1) + equal = 1; + + xbt_dynar_reset(previous); + + } - } } while(i2 <= heaplimit && !equal){ - if(heapinfo2[i2].type <= 0){ i2++; continue; @@ -373,30 +567,19 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac for(j2=0; j2 < (size_t) (BLOCKSIZE >> heapinfo2[i2].type); j2++){ - if(heapinfo2[i2].type == heapinfo1[i1].type && i2 == current_block && j2 == current_fragment) + if(i2 == i1 && j2 == j1) continue; - - if(heapinfo2[i2].busy_frag.equal_to[j2] != NULL) - continue; - - if(heapinfo1[i1].busy_frag.frag_size[j1] != heapinfo2[i2].busy_frag.frag_size[j2]) /* Different size_used */ + + if(equals_to2[i2][j2] != NULL) continue; - - addr_block2 = ((void*) (((ADDR2UINT(i2)) - 1) * BLOCKSIZE + (char*)heapbase2)); - addr_frag2 = (void*) ((char *)addr_block2 + (j2 << heapinfo2[i2].type)); - - /* Comparison */ - add_heap_area_pair(previous, i1, j1, i2, j2); - - if((ignore_done < xbt_dynar_length(mc_heap_comparison_ignore)) && (heapinfo1[i1].busy_frag.ignore[j1] == 1)){ - res_compare = compare_area(addr_frag1, addr_frag2, heapinfo1[i1].busy_frag.frag_size[j1], previous, 1); - }else{ - res_compare = compare_area(addr_frag1, addr_frag2, heapinfo1[i1].busy_frag.frag_size[j1], previous, 0); - } + + addr_block2 = ((void*) (((ADDR2UINT(i2)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase)); + addr_frag2 = (void*) ((char *)addr_block2 + (j2 <<((xbt_mheap_t)s_heap)->heapinfo[i2].type)); + + res_compare = compare_heap_area(addr_frag1, addr_frag2, NULL, all_types, other_types, NULL, 0); - if(res_compare == 0){ + if(res_compare != 1){ equal = 1; - match_equals(previous, equals); xbt_dynar_reset(previous); break; } @@ -409,8 +592,8 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac } - if(heapinfo1[i1].busy_frag.equal_to[j1] == NULL){ - XBT_DEBUG("Block %zu, fragment %zu not found (size_used = %d)", i1, j1, heapinfo1[i1].busy_frag.frag_size[j1]); + if(!equal){ + XBT_DEBUG("Block %zu, fragment %zu not found (size_used = %zd, address = %p)\n", i1, j1, heapinfo1[i1].busy_frag.frag_size[j1], addr_frag1); i2 = heaplimit + 1; i1 = heaplimit + 1; nb_diff1++; @@ -427,12 +610,13 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac /* All blocks/fragments are equal to another block/fragment ? */ size_t i = 1, j = 0; + void *real_addr_frag1 = NULL, *real_addr_block1 = NULL, *real_addr_block2 = NULL, *real_addr_frag2 = NULL; while(i<=heaplimit){ if(heapinfo1[i].type == 0){ - if(current_block == heaplimit){ + if(i1 == heaplimit){ if(heapinfo1[i].busy_block.busy_size > 0){ - if(heapinfo1[i].busy_block.equal_to == NULL){ + if(equals_to1[i][0] == NULL){ if(XBT_LOG_ISENABLED(mm_diff, xbt_log_priority_debug)){ addr_block1 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)heapbase1)); XBT_DEBUG("Block %zu (%p) not found (size used = %zu)", i, addr_block1, heapinfo1[i].busy_block.busy_size); @@ -442,38 +626,39 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac } } } - xbt_free(heapinfo1[i].busy_block.equal_to); - heapinfo1[i].busy_block.equal_to = NULL; } if(heapinfo1[i].type > 0){ addr_block1 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)heapbase1)); + real_addr_block1 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)((struct mdesc *)s_heap)->heapbase)); for(j=0; j < (size_t) (BLOCKSIZE >> heapinfo1[i].type); j++){ - if(current_block == heaplimit){ + if(i1== heaplimit){ if(heapinfo1[i].busy_frag.frag_size[j] > 0){ - if(heapinfo1[i].busy_frag.equal_to[j] == NULL){ + if(equals_to1[i][j] == NULL){ if(XBT_LOG_ISENABLED(mm_diff, xbt_log_priority_debug)){ addr_frag1 = (void*) ((char *)addr_block1 + (j << heapinfo1[i].type)); - XBT_DEBUG("Block %zu, Fragment %zu (%p) not found (size used = %d)", i, j, addr_frag1, heapinfo1[i].busy_frag.frag_size[j]); + real_addr_frag1 = (void*) ((char *)real_addr_block1 + (j << ((struct mdesc *)s_heap)->heapinfo[i].type)); + XBT_DEBUG("Block %zu, Fragment %zu (%p - %p) not found (size used = %zd)", i, j, addr_frag1, real_addr_frag1, heapinfo1[i].busy_frag.frag_size[j]); //mmalloc_backtrace_fragment_display((void*)heapinfo1, i, j); } nb_diff1++; } } } - xbt_free(heapinfo1[i].busy_frag.equal_to[j]); - heapinfo1[i].busy_frag.equal_to[j] = NULL; } } i++; } + if(i1 == heaplimit) + XBT_DEBUG("Number of blocks/fragments not found in heap1 : %d", nb_diff1); + i = 1; while(i<=heaplimit){ if(heapinfo2[i].type == 0){ - if(current_block == heaplimit){ + if(i1 == heaplimit){ if(heapinfo2[i].busy_block.busy_size > 0){ - if(heapinfo2[i].busy_block.equal_to == NULL){ + if(equals_to2[i][0] == NULL){ if(XBT_LOG_ISENABLED(mm_diff, xbt_log_priority_debug)){ addr_block2 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)heapbase2)); XBT_DEBUG("Block %zu (%p) not found (size used = %zu)", i, addr_block2, heapinfo2[i].busy_block.busy_size); @@ -483,352 +668,691 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac } } } - xbt_free(heapinfo2[i].busy_block.equal_to); - heapinfo2[i].busy_block.equal_to = NULL; } if(heapinfo2[i].type > 0){ addr_block2 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)heapbase2)); + real_addr_block2 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)((struct mdesc *)s_heap)->heapbase)); for(j=0; j < (size_t) (BLOCKSIZE >> heapinfo2[i].type); j++){ - if(current_block == heaplimit){ + if(i1 == heaplimit){ if(heapinfo2[i].busy_frag.frag_size[j] > 0){ - if(heapinfo2[i].busy_frag.equal_to[j] == NULL){ + if(equals_to2[i][j] == NULL){ if(XBT_LOG_ISENABLED(mm_diff, xbt_log_priority_debug)){ addr_frag2 = (void*) ((char *)addr_block2 + (j << heapinfo2[i].type)); - XBT_DEBUG( "Block %zu, Fragment %zu (%p) not found (size used = %d)", i, j, addr_frag2, heapinfo2[i].busy_frag.frag_size[j]); + real_addr_frag2 = (void*) ((char *)real_addr_block2 + (j << ((struct mdesc *)s_heap)->heapinfo[i].type)); + XBT_DEBUG( "Block %zu, Fragment %zu (%p - %p) not found (size used = %zd)", i, j, addr_frag2, real_addr_frag2, heapinfo2[i].busy_frag.frag_size[j]); //mmalloc_backtrace_fragment_display((void*)heapinfo2, i, j); } nb_diff2++; } } } - xbt_free(heapinfo2[i].busy_frag.equal_to[j]); - heapinfo2[i].busy_frag.equal_to[j] = NULL; } } i++; } + if(i1 == heaplimit) + XBT_DEBUG("Number of blocks/fragments not found in heap2 : %d", nb_diff2); + xbt_dynar_free(&previous); - ignore_done = 0; - s_heap = NULL, heapbase1 = NULL, heapbase2 = NULL; - heapinfo1 = NULL, heapinfo2 = NULL; - heaplimit = 0, heapsize1 = 0, heapsize2 = 0; + real_addr_frag1 = NULL, real_addr_block1 = NULL, real_addr_block2 = NULL, real_addr_frag2 = NULL; return ((nb_diff1 > 0) || (nb_diff2 > 0)); } -static heap_area_t new_heap_area(int block, int fragment){ - heap_area_t area = NULL; - area = xbt_new0(s_heap_area_t, 1); - area->block = block; - area->fragment = fragment; - return area; -} +static int compare_heap_area_without_type(void *real_area1, void *real_area2, void *area1, void *area2, xbt_dynar_t previous, xbt_dict_t all_types, xbt_dict_t other_types, int size, int check_ignore){ -static int in_mc_comparison_ignore(int block, int fragment){ + int i = 0; + void *addr_pointed1, *addr_pointed2; + int pointer_align, res_compare; + ssize_t ignore1, ignore2; - unsigned int cursor = 0; - int start = 0; - int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1; - mc_heap_ignore_region_t region; + while(iblock == block){ - if(region->fragment == fragment) - return 1; - if(region->fragment < fragment) - start = cursor + 1; - if(region->fragment > fragment) - end = cursor - 1; + if(check_ignore > 0){ + if((ignore1 = heap_comparison_ignore_size(to_ignore1, (char *)real_area1 + i)) != -1){ + if((ignore2 = heap_comparison_ignore_size(to_ignore2, (char *)real_area2 + i)) == ignore1){ + if(ignore1 == 0){ + check_ignore--; + return 0; + }else{ + i = i + ignore2; + check_ignore--; + continue; + } + } + } } - if(region->block < block) - start = cursor + 1; - if(region->block > block) - end = cursor - 1; - } - - return 0; -} -static size_t heap_comparison_ignore_size(void *address){ - unsigned int cursor = 0; - int start = 0; - int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1; - mc_heap_ignore_region_t region; + if(memcmp(((char *)area1) + i, ((char *)area2) + i, 1) != 0){ + + pointer_align = (i / sizeof(void*)) * sizeof(void*); + addr_pointed1 = *((void **)((char *)area1 + pointer_align)); + addr_pointed2 = *((void **)((char *)area2 + pointer_align)); + + if(addr_pointed1 > maestro_stack_start && addr_pointed1 < maestro_stack_end && addr_pointed2 > maestro_stack_start && addr_pointed2 < maestro_stack_end){ + i = pointer_align + sizeof(void *); + continue; + }else if((addr_pointed1 > s_heap) && ((char *)addr_pointed1 < (char *)s_heap + STD_HEAP_SIZE) + && (addr_pointed2 > s_heap) && ((char *)addr_pointed2 < (char *)s_heap + STD_HEAP_SIZE)){ + res_compare = compare_heap_area(addr_pointed1, addr_pointed2, previous, all_types, other_types, NULL, 0); + if(res_compare == 1){ + return res_compare; + } + i = pointer_align + sizeof(void *); + continue; + }else{ + return 1; + } + + } + + i++; - while(start <= end){ - cursor = (start + end) / 2; - region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t); - if(region->address == address) - return region->size; - if(region->address < address) - start = cursor + 1; - if(region->address > address) - end = cursor - 1; } return 0; + } +// area_size is either a byte_size or an elements_count?& +static int compare_heap_area_with_type(void *real_area1, void *real_area2, void *area1, void *area2, + xbt_dynar_t previous, xbt_dict_t all_types, xbt_dict_t other_types, char *type_id, + int area_size, int check_ignore, int pointer_level){ -static int compare_area(void *area1, void* area2, size_t size, xbt_dynar_t previous, int check_ignore){ - - size_t i = 0, pointer_align = 0, ignore1 = 0, ignore2 = 0; - void *address_pointed1, *address_pointed2, *addr_block_pointed1, *addr_block_pointed2, *addr_frag_pointed1, *addr_frag_pointed2; - size_t block_pointed1, block_pointed2, frag_pointed1, frag_pointed2; - int res_compare; - void *current_area1, *current_area2; - - while(iheapbase + ((((char *)area1) + i) - (char *)heapbase1); - if((ignore1 = heap_comparison_ignore_size(current_area1)) > 0){ - current_area2 = (char*)((xbt_mheap_t)s_heap)->heapbase + ((((char *)area2) + i) - (char *)heapbase2); - if((ignore2 = heap_comparison_ignore_size(current_area2)) == ignore1){ - i = i + ignore2; - ignore_done++; - continue; + if((check_ignore > 0) && ((ignore1 = heap_comparison_ignore_size(to_ignore1, real_area1)) > 0) && ((ignore2 = heap_comparison_ignore_size(to_ignore2, real_area2)) == ignore1)){ + return 0; + } + + dw_type_t type = xbt_dict_get_or_null(all_types, type_id); + dw_type_t subtype, subsubtype; + int res, elm_size, i, switch_types = 0; + unsigned int cursor = 0; + dw_type_t member; + void *addr_pointed1, *addr_pointed2;; + char *type_desc; + + switch(type->type){ + case DW_TAG_base_type: + if(type->name!=NULL && strcmp(type->name, "char") == 0){ /* String, hence random (arbitrary ?) size */ + if(real_area1 == real_area2) + return -1; + else + return (memcmp(area1, area2, area_size) != 0); + }else{ + if(area_size != -1 && type->byte_size != area_size) + return -1; + else{ + return (memcmp(area1, area2, type->byte_size) != 0); + } + } + break; + case DW_TAG_enumeration_type: + if(area_size != -1 && type->byte_size != area_size) + return -1; + else + return (memcmp(area1, area2, type->byte_size) != 0); + break; + case DW_TAG_typedef: + case DW_TAG_const_type: + case DW_TAG_volatile_type: + return compare_heap_area_with_type(real_area1, real_area2, area1, area2, previous, all_types, other_types, type->dw_type_id, area_size, check_ignore, pointer_level); + break; + case DW_TAG_array_type: + subtype = xbt_dict_get_or_null(all_types, type->dw_type_id); + switch(subtype->type){ + case DW_TAG_base_type: + case DW_TAG_enumeration_type: + case DW_TAG_pointer_type: + case DW_TAG_structure_type: + case DW_TAG_union_type: + if(subtype->byte_size == 0){ /*declaration of the type, need the complete description */ + type_desc = get_type_description(all_types, subtype->name); + if(type_desc){ + subtype = xbt_dict_get_or_null(all_types, type_desc); + }else{ + subtype = xbt_dict_get_or_null(other_types, get_type_description(other_types, subtype->name)); + switch_types = 1; } } - + elm_size = subtype->byte_size; + break; + // TODO, just remove the type indirection? + case DW_TAG_const_type: + case DW_TAG_typedef: + case DW_TAG_volatile_type: + subsubtype = xbt_dict_get_or_null(all_types, subtype->dw_type_id); + if(subsubtype->byte_size == 0){ /*declaration of the type, need the complete description */ + type_desc = get_type_description(all_types, subsubtype->name); + if(type_desc){ + subsubtype = xbt_dict_get_or_null(all_types, type_desc); + }else{ + subsubtype = xbt_dict_get_or_null(other_types, get_type_description(other_types, subtype->name)); + switch_types = 1; + } + } + elm_size = subsubtype->byte_size; + break; + default : + return 0; + break; } - - if(memcmp(((char *)area1) + i, ((char *)area2) + i, 1) != 0){ - - /* Check pointer difference */ - pointer_align = (i / sizeof(void*)) * sizeof(void*); - address_pointed1 = *((void **)((char *)area1 + pointer_align)); - address_pointed2 = *((void **)((char *)area2 + pointer_align)); + for(i=0; ielement_count; i++){ + // TODO, add support for variable stride (DW_AT_byte_stride) + if(switch_types) + res = compare_heap_area_with_type((char *)real_area1 + (i*elm_size), (char *)real_area2 + (i*elm_size), (char *)area1 + (i*elm_size), (char *)area2 + (i*elm_size), previous, other_types, all_types, type->dw_type_id, subtype->byte_size, check_ignore, pointer_level); + else + res = compare_heap_area_with_type((char *)real_area1 + (i*elm_size), (char *)real_area2 + (i*elm_size), (char *)area1 + (i*elm_size), (char *)area2 + (i*elm_size), previous, all_types, other_types, type->dw_type_id, subtype->byte_size, check_ignore, pointer_level); + if(res == 1) + return res; + } + break; + case DW_TAG_pointer_type: + if(type->dw_type_id && ((dw_type_t)xbt_dict_get_or_null(all_types, type->dw_type_id))->type == DW_TAG_subroutine_type){ + addr_pointed1 = *((void **)(area1)); + addr_pointed2 = *((void **)(area2)); + return (addr_pointed1 != addr_pointed2);; + }else{ + pointer_level++; + if(pointer_level > 1){ /* Array of pointers */ + for(i=0; i<(area_size/sizeof(void *)); i++){ + addr_pointed1 = *((void **)((char *)area1 + (i*sizeof(void *)))); + addr_pointed2 = *((void **)((char *)area2 + (i*sizeof(void *)))); + if(addr_pointed1 > s_heap && (char *)addr_pointed1 < (char*) s_heap + STD_HEAP_SIZE && addr_pointed2 > s_heap && (char *)addr_pointed2 < (char*) s_heap + STD_HEAP_SIZE) + res = compare_heap_area(addr_pointed1, addr_pointed2, previous, all_types, other_types, type->dw_type_id, pointer_level); + else + res = (addr_pointed1 != addr_pointed2); + if(res == 1) + return res; + } + }else{ + addr_pointed1 = *((void **)(area1)); + addr_pointed2 = *((void **)(area2)); + if(addr_pointed1 > s_heap && (char *)addr_pointed1 < (char*) s_heap + STD_HEAP_SIZE && addr_pointed2 > s_heap && (char *)addr_pointed2 < (char*) s_heap + STD_HEAP_SIZE) + return compare_heap_area(addr_pointed1, addr_pointed2, previous, all_types, other_types, type->dw_type_id, pointer_level); + else + return (addr_pointed1 != addr_pointed2); + } + } + break; + case DW_TAG_structure_type: + if(type->byte_size == 0){ /*declaration of the structure, need the complete description */ + type_desc = get_type_description(all_types, type->name); + if(type_desc){ + type = xbt_dict_get_or_null(all_types, type_desc); + }else{ + type = xbt_dict_get_or_null(other_types, get_type_description(other_types, type->name)); + switch_types = 1; + } + } + if(area_size != -1 && type->byte_size != area_size){ + if(area_size>type->byte_size && area_size%type->byte_size == 0){ + for(i=0; i<(area_size/type->byte_size); i++){ + if(switch_types) + res = compare_heap_area_with_type((char *)real_area1 + (i*type->byte_size), (char *)real_area2 + (i*type->byte_size), (char *)area1 + (i*type->byte_size), (char *)area2 + (i*type->byte_size), previous, other_types, all_types, type_id, -1, check_ignore, 0); + else + res = compare_heap_area_with_type((char *)real_area1 + (i*type->byte_size), (char *)real_area2 + (i*type->byte_size), (char *)area1 + (i*type->byte_size), (char *)area2 + (i*type->byte_size), previous, all_types, other_types, type_id, -1, check_ignore, 0); + if(res == 1) + return res; + } + }else{ + return -1; + } + }else{ + cursor = 0; + xbt_dynar_foreach(type->members, cursor, member){ + if(switch_types) + res = compare_heap_area_with_type((char *)real_area1 + member->offset, (char *)real_area2 + member->offset, (char *)area1 + member->offset, (char *)area2 + member->offset, previous, other_types, all_types, member->dw_type_id, -1, check_ignore, 0); + else + res = compare_heap_area_with_type((char *)real_area1 + member->offset, (char *)real_area2 + member->offset, (char *)area1 + member->offset, (char *)area2 + member->offset, previous, all_types, other_types, member->dw_type_id, -1, check_ignore, 0); + if(res == 1){ + return res; + } + } + } + break; + case DW_TAG_union_type: + return compare_heap_area_without_type(real_area1, real_area2, area1, area2, previous, all_types, other_types, type->byte_size, check_ignore); + break; + default: + break; + } - /* Get pointed blocks number */ - block_pointed1 = ((char*)address_pointed1 - (char*)((xbt_mheap_t)s_heap)->heapbase) / BLOCKSIZE + 1; - block_pointed2 = ((char*)address_pointed2 - (char*)((xbt_mheap_t)s_heap)->heapbase) / BLOCKSIZE + 1; + return 0; - /* Check if valid blocks number */ - if((char *)address_pointed1 < (char*)((xbt_mheap_t)s_heap)->heapbase || block_pointed1 > heapsize1 || block_pointed1 < 1 || (char *)address_pointed2 < (char*)((xbt_mheap_t)s_heap)->heapbase || block_pointed2 > heapsize2 || block_pointed2 < 1) - return 1; +} - if(heapinfo1[block_pointed1].type == heapinfo2[block_pointed2].type){ /* Same type of block (large or fragmented) */ +static char* get_offset_type(char* type_id, int offset, xbt_dict_t all_types, xbt_dict_t other_types, int area_size, int *switch_type){ + dw_type_t type = xbt_dict_get_or_null(all_types, type_id); + if(type == NULL){ + type = xbt_dict_get_or_null(other_types, type_id); + *switch_type = 1; + } + char* type_desc; + switch(type->type){ + case DW_TAG_structure_type : + if(type->byte_size == 0){ /*declaration of the structure, need the complete description */ + if(*switch_type == 0){ + type_desc = get_type_description(all_types, type->name); + if(type_desc){ + type = xbt_dict_get_or_null(all_types, type_desc); + }else{ + type = xbt_dict_get_or_null(other_types, get_type_description(other_types, type->name)); + *switch_type = 1; + } + }else{ + type_desc = get_type_description(other_types, type->name); + if(type_desc){ + type = xbt_dict_get_or_null(other_types, type_desc); + }else{ + type = xbt_dict_get_or_null(all_types, get_type_description(other_types, type->name)); + *switch_type = 0; + } + } + + } + if(area_size != -1 && type->byte_size != area_size){ + if(area_size>type->byte_size && area_size%type->byte_size == 0) + return type_id; + else + return NULL; + }else{ + unsigned int cursor = 0; + dw_type_t member; + xbt_dynar_foreach(type->members, cursor, member){ + if(member->offset == offset) + return member->dw_type_id; + } + return NULL; + } + break; + default: + /* FIXME : other cases ? */ + return NULL; + break; + } +} - addr_block_pointed1 = ((void*) (((ADDR2UINT(block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1)); - addr_block_pointed2 = ((void*) (((ADDR2UINT(block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2)); - - if(heapinfo1[block_pointed1].type == 0){ /* Large block */ +int compare_heap_area(void *area1, void* area2, xbt_dynar_t previous, xbt_dict_t all_types, xbt_dict_t other_types, char *type_id, int pointer_level){ - if(heapinfo1[block_pointed1].busy_block.size != heapinfo2[block_pointed2].busy_block.size){ - return 1; - } + int res_compare; + ssize_t block1, frag1, block2, frag2; + ssize_t size; + int check_ignore = 0; + + void *addr_block1, *addr_block2, *addr_frag1, *addr_frag2, *real_addr_block1, *real_addr_block2, *real_addr_frag1, *real_addr_frag2; + void *area1_to_compare, *area2_to_compare; + dw_type_t type = NULL; + char *type_desc; + int type_size = -1; + int offset1 =0, offset2 = 0; + int new_size1 = -1, new_size2 = -1; + char *new_type_id1 = NULL, *new_type_id2 = NULL; + int switch_type = 0; + + int match_pairs = 0; + + if(previous == NULL){ + previous = xbt_dynar_new(sizeof(heap_area_pair_t), heap_area_pair_free_voidp); + match_pairs = 1; + } - if(heapinfo1[block_pointed1].busy_block.busy_size != heapinfo2[block_pointed2].busy_block.busy_size){ - return 1; - } + block1 = ((char*)area1 - (char*)((xbt_mheap_t)s_heap)->heapbase) / BLOCKSIZE + 1; + block2 = ((char*)area2 - (char*)((xbt_mheap_t)s_heap)->heapbase) / BLOCKSIZE + 1; - if(add_heap_area_pair(previous, block_pointed1, -1, block_pointed2, -1)){ + if(is_block_stack((int)block1) && is_block_stack((int)block2)){ + add_heap_area_pair(previous, block1, -1, block2, -1); + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return 0; + } - if((ignore_done < xbt_dynar_length(mc_heap_comparison_ignore)) && (heapinfo1[block_pointed1].busy_block.ignore == 1)){ - res_compare = compare_area(addr_block_pointed1, addr_block_pointed2, heapinfo1[block_pointed1].busy_block.busy_size, previous, 1); - }else{ - res_compare = compare_area(addr_block_pointed1, addr_block_pointed2, heapinfo1[block_pointed1].busy_block.busy_size, previous, 0); - } - - if(res_compare == 1) - return 1; - - } - - }else{ /* Fragmented block */ - - /* Get pointed fragments number */ - frag_pointed1 = ((uintptr_t) (ADDR2UINT (address_pointed1) % (BLOCKSIZE))) >> heapinfo1[block_pointed1].type; - frag_pointed2 = ((uintptr_t) (ADDR2UINT (address_pointed2) % (BLOCKSIZE))) >> heapinfo2[block_pointed2].type; - - if(heapinfo1[block_pointed1].busy_frag.frag_size[frag_pointed1] != heapinfo2[block_pointed2].busy_frag.frag_size[frag_pointed2]) /* Different size_used */ - return 1; - - addr_frag_pointed1 = (void*) ((char *)addr_block_pointed1 + (frag_pointed1 << heapinfo1[block_pointed1].type)); - addr_frag_pointed2 = (void*) ((char *)addr_block_pointed2 + (frag_pointed2 << heapinfo2[block_pointed2].type)); + if(((char *)area1 < (char*)((xbt_mheap_t)s_heap)->heapbase) || (block1 > heapsize1) || (block1 < 1) || ((char *)area2 < (char*)((xbt_mheap_t)s_heap)->heapbase) || (block2 > heapsize2) || (block2 < 1)){ + if(match_pairs){ + xbt_dynar_free(&previous); + } + return 1; + } - if(add_heap_area_pair(previous, block_pointed1, frag_pointed1, block_pointed2, frag_pointed2)){ + addr_block1 = ((void*) (((ADDR2UINT(block1)) - 1) * BLOCKSIZE + (char*)heapbase1)); + addr_block2 = ((void*) (((ADDR2UINT(block2)) - 1) * BLOCKSIZE + (char*)heapbase2)); + + real_addr_block1 = ((void*) (((ADDR2UINT(block1)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase)); + real_addr_block2 = ((void*) (((ADDR2UINT(block2)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase)); + + if(type_id){ + type = xbt_dict_get_or_null(all_types, type_id); + if(type->byte_size == 0){ + if(type->dw_type_id == NULL){ + type_desc = get_type_description(all_types, type->name); + if(type_desc) + type = xbt_dict_get_or_null(all_types, type_desc); + else + type = xbt_dict_get_or_null(other_types, get_type_description(other_types, type->name)); + }else{ + type = xbt_dict_get_or_null(all_types, type->dw_type_id); + } + } + if((type->byte_size == DW_TAG_pointer_type) || ((type->type == DW_TAG_base_type) && type->name!=NULL && (!strcmp(type->name, "char")))) + type_size = -1; + else + type_size = type->byte_size; + } + + if((heapinfo1[block1].type == -1) && (heapinfo2[block2].type == -1)){ /* Free block */ - if((ignore_done < xbt_dynar_length(mc_heap_comparison_ignore)) && (heapinfo1[block_pointed1].busy_frag.ignore[frag_pointed1] == 1)){ - res_compare = compare_area(addr_frag_pointed1, addr_frag_pointed2, heapinfo1[block_pointed1].busy_frag.frag_size[frag_pointed1], previous, 1); - }else{ - res_compare = compare_area(addr_frag_pointed1, addr_frag_pointed2, heapinfo1[block_pointed1].busy_frag.frag_size[frag_pointed1], previous, 0); - } + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return 0; - if(res_compare == 1) - return 1; - - } - + }else if((heapinfo1[block1].type == 0) && (heapinfo2[block2].type == 0)){ /* Complete block */ + + if(equals_to1[block1][0] != NULL && equals_to2[block2][0] != NULL){ + if(equal_blocks(block1, block2)){ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); } - - }else{ + return 0; + } + } - if((heapinfo1[block_pointed1].type > 0) && (heapinfo2[block_pointed2].type > 0)){ - - addr_block_pointed1 = ((void*) (((ADDR2UINT(block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1)); - addr_block_pointed2 = ((void*) (((ADDR2UINT(block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2)); - - frag_pointed1 = ((uintptr_t) (ADDR2UINT (address_pointed1) % (BLOCKSIZE))) >> heapinfo1[block_pointed1].type; - frag_pointed2 = ((uintptr_t) (ADDR2UINT (address_pointed2) % (BLOCKSIZE))) >> heapinfo2[block_pointed2].type; + if(type_size != -1){ + if(type_size != heapinfo1[block1].busy_block.busy_size && type_size != heapinfo2[block2].busy_block.busy_size && type->name!=NULL && !strcmp(type->name, "s_smx_context")){ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return -1; + } + } - if(heapinfo1[block_pointed1].busy_frag.frag_size[frag_pointed1] != heapinfo2[block_pointed2].busy_frag.frag_size[frag_pointed2]) /* Different size_used */ - return 1; + if(heapinfo1[block1].busy_block.size != heapinfo2[block2].busy_block.size){ + if(match_pairs){ + xbt_dynar_free(&previous); + } + return 1; + } - addr_frag_pointed1 = (void*) ((char *)addr_block_pointed1 + (frag_pointed1 << heapinfo1[block_pointed1].type)); - addr_frag_pointed2 = (void*) ((char *)addr_block_pointed2 + (frag_pointed2 << heapinfo2[block_pointed2].type)); + if(heapinfo1[block1].busy_block.busy_size != heapinfo2[block2].busy_block.busy_size){ + if(match_pairs){ + xbt_dynar_free(&previous); + } + return 1; + } - if(add_heap_area_pair(previous, block_pointed1, frag_pointed1, block_pointed2, frag_pointed2)){ + if(!add_heap_area_pair(previous, block1, -1, block2, -1)){ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return 0; + } + + size = heapinfo1[block1].busy_block.busy_size; + + if(type_id != NULL){ + xbt_free(types1[block1][0]); + xbt_free(types2[block2][0]); + types1[block1][0] = strdup(type_id); + types2[block2][0] = strdup(type_id); + } - if((ignore_done < xbt_dynar_length(mc_heap_comparison_ignore)) && (heapinfo1[block_pointed1].busy_frag.ignore[frag_pointed1] == 1)){ - res_compare = compare_area(addr_frag_pointed1, addr_frag_pointed2, heapinfo1[block_pointed1].busy_frag.frag_size[frag_pointed1], previous, 1); - }else{ - res_compare = compare_area(addr_frag_pointed1, addr_frag_pointed2, heapinfo1[block_pointed1].busy_frag.frag_size[frag_pointed1], previous, 0); - } - - if(res_compare == 1) - return 1; - - } + if(size <= 0){ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return 0; + } - }else{ - return 1; - } + frag1 = -1; + frag2 = -1; - } + area1_to_compare = addr_block1; + area2_to_compare = addr_block2; - i = pointer_align + sizeof(void *); + if((heapinfo1[block1].busy_block.ignore > 0) && (heapinfo2[block2].busy_block.ignore == heapinfo1[block1].busy_block.ignore)) + check_ignore = heapinfo1[block1].busy_block.ignore; - }else{ + }else if((heapinfo1[block1].type > 0) && (heapinfo2[block2].type > 0)){ /* Fragmented block */ - i++; + frag1 = ((uintptr_t) (ADDR2UINT (area1) % (BLOCKSIZE))) >> heapinfo1[block1].type; + frag2 = ((uintptr_t) (ADDR2UINT (area2) % (BLOCKSIZE))) >> heapinfo2[block2].type; + addr_frag1 = (void*) ((char *)addr_block1 + (frag1 << heapinfo1[block1].type)); + addr_frag2 = (void*) ((char *)addr_block2 + (frag2 << heapinfo2[block2].type)); + + real_addr_frag1 = (void*) ((char *)real_addr_block1 + (frag1 << ((xbt_mheap_t)s_heap)->heapinfo[block1].type)); + real_addr_frag2 = (void*) ((char *)real_addr_block2 + (frag2 << ((xbt_mheap_t)s_heap)->heapinfo[block2].type)); + + if(type_size != -1){ + if(heapinfo1[block1].busy_frag.frag_size[frag1] == -1 || heapinfo2[block2].busy_frag.frag_size[frag2] == -1){ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return -1; + } + if(type_size != heapinfo1[block1].busy_frag.frag_size[frag1] || type_size != heapinfo2[block2].busy_frag.frag_size[frag2]){ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return -1; + } } - } - return 0; - + if(equals_to1[block1][frag1] != NULL && equals_to2[block2][frag2] != NULL){ + if(equal_fragments(block1, frag1, block2, frag2)){ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return 0; + } + } -} + if(heapinfo1[block1].busy_frag.frag_size[frag1] != heapinfo2[block2].busy_frag.frag_size[frag2]){ + if(type_size == -1){ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return -1; + }else{ + if(match_pairs){ + xbt_dynar_free(&previous); + } + return 1; + } + } + + size = heapinfo1[block1].busy_frag.frag_size[frag1]; -static void heap_area_pair_free(heap_area_pair_t pair){ - if (pair){ - xbt_free(pair); - pair = NULL; - } -} + if(type_id != NULL){ + xbt_free(types1[block1][frag1]); + xbt_free(types2[block2][frag2]); + types1[block1][frag1] = strdup(type_id); + types2[block2][frag2] = strdup(type_id); + } -static void heap_area_pair_free_voidp(void *d) -{ - heap_area_pair_free((heap_area_pair_t) * (void **) d); -} + if(real_addr_frag1 != area1 || real_addr_frag2 != area2){ + offset1 = (char *)area1 - (char *)real_addr_frag1; + offset2 = (char *)area2 - (char *)real_addr_frag2; + if(types1[block1][frag1] != NULL && types2[block2][frag2] != NULL){ + new_type_id1 = get_offset_type(types1[block1][frag1], offset1, all_types, other_types, size, &switch_type); + new_type_id2 = get_offset_type(types2[block2][frag2], offset1, all_types, other_types, size, &switch_type); + }else if(types1[block1][frag1] != NULL){ + new_type_id1 = get_offset_type(types1[block1][frag1], offset1, all_types, other_types, size, &switch_type); + new_type_id2 = get_offset_type(types1[block1][frag1], offset2, all_types, other_types, size, &switch_type); + }else if(types2[block2][frag2] != NULL){ + new_type_id1 = get_offset_type(types2[block2][frag2], offset1, all_types, other_types, size, &switch_type); + new_type_id2 = get_offset_type(types2[block2][frag2], offset2, all_types, other_types, size, &switch_type); + }else{ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return -1; + } + + if(new_type_id1 != NULL && new_type_id2 != NULL && !strcmp(new_type_id1, new_type_id2)){ + if(switch_type){ + type = xbt_dict_get_or_null(other_types, new_type_id1); + while(type->byte_size == 0 && type->dw_type_id != NULL) + type = xbt_dict_get_or_null(other_types, type->dw_type_id); + new_size1 = type->byte_size; + type = xbt_dict_get_or_null(other_types, new_type_id2); + while(type->byte_size == 0 && type->dw_type_id != NULL) + type = xbt_dict_get_or_null(other_types, type->dw_type_id); + new_size2 = type->byte_size; + }else{ + type = xbt_dict_get_or_null(all_types, new_type_id1); + while(type->byte_size == 0 && type->dw_type_id != NULL) + type = xbt_dict_get_or_null(all_types, type->dw_type_id); + new_size1 = type->byte_size; + type = xbt_dict_get_or_null(all_types, new_type_id2); + while(type->byte_size == 0 && type->dw_type_id != NULL) + type = xbt_dict_get_or_null(all_types, type->dw_type_id); + new_size2 = type->byte_size; + } + }else{ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return -1; + } + } -static int add_heap_area_pair(xbt_dynar_t list, int block1, int fragment1, int block2, int fragment2){ + area1_to_compare = (char *)addr_frag1 + offset1; + area2_to_compare = (char *)addr_frag2 + offset2; + + if(new_size1 > 0 && new_size1 == new_size2){ + type_id = new_type_id1; + size = new_size1; + } - if(is_new_heap_area_pair(list, block1, fragment1, block2, fragment2)){ - heap_area_pair_t pair = NULL; - pair = xbt_new0(s_heap_area_pair_t, 1); - pair->block1 = block1; - pair->fragment1 = fragment1; - pair->block2 = block2; - pair->fragment2 = fragment2; + if(offset1 == 0 && offset2 == 0){ + if(!add_heap_area_pair(previous, block1, frag1, block2, frag2)){ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return 0; + } + } + + if(size <= 0){ + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + return 0; + } + + if((heapinfo1[block1].busy_frag.ignore[frag1] > 0) && ( heapinfo2[block2].busy_frag.ignore[frag2] == heapinfo1[block1].busy_frag.ignore[frag1])) + check_ignore = heapinfo1[block1].busy_frag.ignore[frag1]; - xbt_dynar_push(list, &pair); + }else{ + if(match_pairs){ + xbt_dynar_free(&previous); + } return 1; - } - return 0; -} - -static int is_new_heap_area_pair(xbt_dynar_t list, int block1, int fragment1, int block2, int fragment2){ + } - unsigned int cursor = 0; - heap_area_pair_t current_pair; - xbt_dynar_foreach(list, cursor, current_pair){ - if(current_pair->block1 == block1 && current_pair->block2 == block2 && current_pair->fragment1 == fragment1 && current_pair->fragment2 == fragment2) - return 0; + /* Start comparison*/ + if(type_id != NULL){ + if(switch_type) + res_compare = compare_heap_area_with_type(area1, area2, area1_to_compare, area2_to_compare, previous, other_types, all_types, type_id, size, check_ignore, pointer_level); + else + res_compare = compare_heap_area_with_type(area1, area2, area1_to_compare, area2_to_compare, previous, all_types, other_types, type_id, size, check_ignore, pointer_level); + if(res_compare == 1){ + if(match_pairs) + xbt_dynar_free(&previous); + return res_compare; + } + }else{ + if(switch_type) + res_compare = compare_heap_area_without_type(area1, area2, area1_to_compare, area2_to_compare, previous, other_types, all_types, size, check_ignore); + else + res_compare = compare_heap_area_without_type(area1, area2, area1_to_compare, area2_to_compare, previous, all_types, other_types, size, check_ignore); + if(res_compare == 1){ + if(match_pairs) + xbt_dynar_free(&previous); + return res_compare; + } } - - return 1; + + if(match_pairs){ + match_equals(previous); + xbt_dynar_free(&previous); + } + + return 0; } -static void match_equals(xbt_dynar_t list, xbt_dynar_t *equals){ +/*********************************************** Miscellaneous ***************************************************/ +/****************************************************************************************************************/ - unsigned int cursor = 0; - heap_area_pair_t current_pair; - heap_area_t previous_area; - void *real_addr_block1, *real_addr_block2, *real_addr_frag1, *real_addr_frag2; +int get_pointed_area_size(void *area, int heap){ - xbt_dynar_foreach(list, cursor, current_pair){ + int block, frag; + malloc_info *heapinfo; - if(current_pair->fragment1 != -1){ + if(heap == 1) + heapinfo = heapinfo1; + else + heapinfo = heapinfo2; - real_addr_block1 = ((void*) (((ADDR2UINT((size_t)current_pair->block1)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase)); - real_addr_frag1 = (void*) ((char *)real_addr_block1 + (current_pair->fragment1 << heapinfo1[current_pair->block1].type)); - real_addr_block2 = ((void*) (((ADDR2UINT((size_t)current_pair->block2)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase)); - real_addr_frag2 = (void*) ((char *)real_addr_block2 + (current_pair->fragment2 << heapinfo2[current_pair->block2].type)); - - if(heapinfo1[current_pair->block1].busy_frag.equal_to[current_pair->fragment1] != NULL){ - remove_heap_equality(equals, 1, real_addr_frag1); - previous_area = heapinfo1[current_pair->block1].busy_frag.equal_to[current_pair->fragment1]; - xbt_free(heapinfo2[previous_area->block].busy_frag.equal_to[previous_area->fragment]); - heapinfo2[previous_area->block].busy_frag.equal_to[previous_area->fragment] = NULL; - xbt_free(previous_area); - } - if(heapinfo2[current_pair->block2].busy_frag.equal_to[current_pair->fragment2] != NULL){ - remove_heap_equality(equals, 2, real_addr_frag2); - previous_area = heapinfo2[current_pair->block2].busy_frag.equal_to[current_pair->fragment2]; - xbt_free(heapinfo1[previous_area->block].busy_frag.equal_to[previous_area->fragment]); - heapinfo1[previous_area->block].busy_frag.equal_to[previous_area->fragment] = NULL; - xbt_free(previous_area); - } - - if(real_addr_frag1 != real_addr_frag2) - add_heap_equality(equals, real_addr_frag1, real_addr_frag2); + block = ((char*)area - (char*)((xbt_mheap_t)s_heap)->heapbase) / BLOCKSIZE + 1; - heapinfo1[current_pair->block1].busy_frag.equal_to[current_pair->fragment1] = new_heap_area(current_pair->block2, current_pair->fragment2); - heapinfo2[current_pair->block2].busy_frag.equal_to[current_pair->fragment2] = new_heap_area(current_pair->block1, current_pair->fragment1); + if(((char *)area < (char*)((xbt_mheap_t)s_heap)->heapbase) || (block > heapsize1) || (block < 1)) + return -1; - }else{ + if(heapinfo[block].type == -1){ /* Free block */ + return -1; + }else if(heapinfo[block].type == 0){ /* Complete block */ + return (int)heapinfo[block].busy_block.busy_size; + }else{ + frag = ((uintptr_t) (ADDR2UINT (area) % (BLOCKSIZE))) >> heapinfo[block].type; + return (int)heapinfo[block].busy_frag.frag_size[frag]; + } - real_addr_block1 = ((void*) (((ADDR2UINT((size_t)current_pair->block1)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase)); - real_addr_block2 = ((void*) (((ADDR2UINT((size_t)current_pair->block2)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase)); +} - if(heapinfo1[current_pair->block1].busy_block.equal_to != NULL){ - remove_heap_equality(equals, 1, real_addr_block1); - previous_area = heapinfo1[current_pair->block1].busy_block.equal_to; - xbt_free(heapinfo2[previous_area->block].busy_block.equal_to); - heapinfo2[previous_area->block].busy_block.equal_to = NULL; - xbt_free(previous_area); - } - if(heapinfo2[current_pair->block2].busy_block.equal_to != NULL){ - remove_heap_equality(equals, 2, real_addr_block2); - previous_area = heapinfo2[current_pair->block2].busy_block.equal_to; - xbt_free(heapinfo1[previous_area->block].busy_block.equal_to); - heapinfo1[previous_area->block].busy_block.equal_to = NULL; - xbt_free(previous_area); - } - - if(real_addr_block1 != real_addr_block2) - add_heap_equality(equals, real_addr_block1, real_addr_block2); +char *get_type_description(xbt_dict_t types, char *type_name){ - heapinfo1[current_pair->block1].busy_block.equal_to = new_heap_area(current_pair->block2, current_pair->fragment2); - heapinfo2[current_pair->block2].busy_block.equal_to = new_heap_area(current_pair->block1, current_pair->fragment1); + xbt_dict_cursor_t dict_cursor; + char *type_origin; + dw_type_t type; + xbt_dict_foreach(types, dict_cursor, type_origin, type){ + if(type->name && (strcmp(type->name, type_name) == 0) && type->byte_size > 0){ + xbt_dict_cursor_free(&dict_cursor); + return type_origin; } } - + xbt_dict_cursor_free(&dict_cursor); + return NULL; } + #ifndef max #define max( a, b ) ( ((a) > (b)) ? (a) : (b) ) #endif @@ -957,135 +1481,3 @@ int mmalloc_linear_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2){ } -static char* is_stack(void *address){ - unsigned int cursor = 0; - stack_region_t stack; - - xbt_dynar_foreach(stacks_areas, cursor, stack){ - if(address == stack->address) - return stack->process_name; - } - - return NULL; -} - -static void add_heap_equality(xbt_dynar_t *equals, void *a1, void *a2){ - - if(xbt_dynar_is_empty(*equals)){ - - heap_equality_t he = xbt_new0(s_heap_equality_t, 1); - he->address1 = a1; - he->address2 = a2; - - xbt_dynar_insert_at(*equals, 0, &he); - - }else{ - - unsigned int cursor = 0; - int start = 0; - int end = xbt_dynar_length(*equals) - 1; - heap_equality_t current_equality = NULL; - - while(start <= end){ - cursor = (start + end) / 2; - current_equality = (heap_equality_t)xbt_dynar_get_as(*equals, cursor, heap_equality_t); - if(current_equality->address1 == a1){ - if(current_equality->address2 == a2) - return; - if(current_equality->address2 < a2) - start = cursor + 1; - if(current_equality->address2 > a2) - end = cursor - 1; - } - if(current_equality->address1 < a1) - start = cursor + 1; - if(current_equality->address1 > a1) - end = cursor - 1; - } - - heap_equality_t he = xbt_new0(s_heap_equality_t, 1); - he->address1 = a1; - he->address2 = a2; - - if(current_equality->address1 < a1) - xbt_dynar_insert_at(*equals, cursor + 1 , &he); - else - xbt_dynar_insert_at(*equals, cursor, &he); - - } - -} - -static void remove_heap_equality(xbt_dynar_t *equals, int address, void *a){ - - unsigned int cursor = 0; - heap_equality_t current_equality; - int found = 0; - - if(address == 1){ - - int start = 0; - int end = xbt_dynar_length(*equals) - 1; - - - while(start <= end && found == 0){ - cursor = (start + end) / 2; - current_equality = (heap_equality_t)xbt_dynar_get_as(*equals, cursor, heap_equality_t); - if(current_equality->address1 == a) - found = 1; - if(current_equality->address1 < a) - start = cursor + 1; - if(current_equality->address1 > a) - end = cursor - 1; - } - - if(found == 1) - xbt_dynar_remove_at(*equals, cursor, NULL); - - }else{ - - xbt_dynar_foreach(*equals, cursor, current_equality){ - if(current_equality->address2 == a){ - found = 1; - break; - } - } - - if(found == 1) - xbt_dynar_remove_at(*equals, cursor, NULL); - - } - -} - -int is_free_area(void *area, xbt_mheap_t heap){ - - void *sheap = (char *)mmalloc_get_current_heap() - STD_HEAP_SIZE - getpagesize(); - malloc_info *heapinfo = (malloc_info *)((char *)heap + ((uintptr_t)((char *)heap->heapinfo - (char *)sheap))); - size_t heapsize = heap->heapsize; - - /* Get block number */ - size_t block = ((char*)area - (char*)((xbt_mheap_t)sheap)->heapbase) / BLOCKSIZE + 1; - size_t fragment; - - /* Check if valid block number */ - if((char *)area < (char*)((xbt_mheap_t)sheap)->heapbase || block > heapsize || block < 1) - return 0; - - if(heapinfo[block].type < 0) - return 1; - - if(heapinfo[block].type == 0) - return 0; - - if(heapinfo[block].type > 0){ - fragment = ((uintptr_t) (ADDR2UINT(area) % (BLOCKSIZE))) >> heapinfo[block].type; - if(heapinfo[block].busy_frag.frag_size[fragment] == 0) - return 1; - } - - return 0; - - - -}