/* 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. */
#include "xbt/str.h"
#include "mc/mc.h"
#include "xbt/mmalloc.h"
+#include "mc/datatypes.h"
+#include "mc/mc_private.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 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);
+/********************************* Backtrace ***********************************/
+/******************************************************************************/
-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; */
/* } */
}
-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; */
}
-void mmalloc_backtrace_display(void *addr){
+static void mmalloc_backtrace_display(void *addr){
/* size_t block, frag_nb; */
/* int type; */
}
-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 ***********************************/
+/***************************************************************************************/
+
+typedef char* type_name;
+
+struct s_mm_diff {
+ void *s_heap, *heapbase1, *heapbase2;
+ malloc_info *heapinfo1, *heapinfo2;
+ size_t heaplimit, heapsize1, heapsize2;
+ xbt_dynar_t to_ignore1, to_ignore2;
+ heap_area_t **equals_to1, **equals_to2;
+ type_name **types1, **types2;
+};
+
+__thread struct s_mm_diff* mm_diff_info = NULL;
-int ignore_done = 0;
+/*********************************** Free functions ************************************/
-void init_heap_information(xbt_mheap_t heap1, xbt_mheap_t heap2){
+static void heap_area_pair_free(heap_area_pair_t pair){
+ xbt_free(pair);
+ pair = NULL;
+}
- heaplimit = ((struct mdesc *)heap1)->heaplimit;
+static void heap_area_pair_free_voidp(void *d){
+ heap_area_pair_free((heap_area_pair_t) * (void **) d);
+}
- s_heap = (char *)mmalloc_get_current_heap() - STD_HEAP_SIZE - getpagesize();
+static void heap_area_free(heap_area_t area){
+ xbt_free(area);
+ area = NULL;
+}
- 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)));
+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;
- heapsize1 = heap1->heapsize;
- heapsize2 = heap2->heapsize;
+ 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;
}
-int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stack1, xbt_dynar_t *stack2, xbt_dynar_t equals){
+static int add_heap_area_pair(xbt_dynar_t list, int block1, int fragment1, int block2, int fragment2){
- if(heap1 == NULL && heap1 == NULL){
- XBT_DEBUG("Malloc descriptors null");
- return 0;
+ 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);
+
+ return 1;
}
- if(heap1->heaplimit != heap2->heaplimit){
- XBT_DEBUG("Different limit of valid info table indices");
+ 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(struct s_mm_diff *state, 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(state->equals_to1[current_pair->block1][current_pair->fragment1] != NULL){
+ previous_area = state->equals_to1[current_pair->block1][current_pair->fragment1];
+ heap_area_free(state->equals_to2[previous_area->block][previous_area->fragment]);
+ state->equals_to2[previous_area->block][previous_area->fragment] = NULL;
+ heap_area_free(previous_area);
+ }
+ if(state->equals_to2[current_pair->block2][current_pair->fragment2] != NULL){
+ previous_area = state->equals_to2[current_pair->block2][current_pair->fragment2];
+ heap_area_free(state->equals_to1[previous_area->block][previous_area->fragment]);
+ state->equals_to1[previous_area->block][previous_area->fragment] = NULL;
+ heap_area_free(previous_area);
+ }
+
+ state->equals_to1[current_pair->block1][current_pair->fragment1] = new_heap_area(current_pair->block2, current_pair->fragment2);
+ state->equals_to2[current_pair->block2][current_pair->fragment2] = new_heap_area(current_pair->block1, current_pair->fragment1);
+
+ }else{
+
+ if(state->equals_to1[current_pair->block1][0] != NULL){
+ previous_area = state->equals_to1[current_pair->block1][0];
+ heap_area_free(state->equals_to2[previous_area->block][0]);
+ state->equals_to2[previous_area->block][0] = NULL;
+ heap_area_free(previous_area);
+ }
+ if(state->equals_to2[current_pair->block2][0] != NULL){
+ previous_area = state->equals_to2[current_pair->block2][0];
+ heap_area_free(state->equals_to1[previous_area->block][0]);
+ state->equals_to1[previous_area->block][0] = NULL;
+ heap_area_free(previous_area);
+ }
+
+ state->equals_to1[current_pair->block1][0] = new_heap_area(current_pair->block2, current_pair->fragment2);
+ state->equals_to2[current_pair->block2][0] = new_heap_area(current_pair->block1, current_pair->fragment1);
+
+ }
+
+ }
+}
+
+static int equal_blocks(struct s_mm_diff *state, int b1, int b2){
+
+ if(state->equals_to1[b1][0]->block == b2 && state->equals_to2[b2][0]->block == b1)
return 1;
+
+ return 0;
+}
+
+static int equal_fragments(struct s_mm_diff *state, int b1, int f1, int b2, int f2){
+
+ if(state->equals_to1[b1][f1]->block == b2
+ && state->equals_to1[b1][f1]->fragment == f2
+ && state->equals_to2[b2][f2]->block == b1
+ && state->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(mm_diff_info==NULL) {
+ mm_diff_info = xbt_new0(struct s_mm_diff, 1);
+ }
+ struct s_mm_diff *state = mm_diff_info;
+
+ if((((struct mdesc *)heap1)->heaplimit != ((struct mdesc *)heap2)->heaplimit)
+ || ((((struct mdesc *)heap1)->heapsize != ((struct mdesc *)heap2)->heapsize) ))
+ return -1;
+
+ int i, j;
+
+ state->heaplimit = ((struct mdesc *)heap1)->heaplimit;
+
+ state->s_heap = (char *)mmalloc_get_current_heap() - STD_HEAP_SIZE - getpagesize();
+
+ state->heapbase1 = (char *)heap1 + BLOCKSIZE;
+ state->heapbase2 = (char *)heap2 + BLOCKSIZE;
+
+ state->heapinfo1 = (malloc_info *)((char *)heap1 + ((uintptr_t)((char *)((struct mdesc *)heap1)->heapinfo - (char *)state->s_heap)));
+ state->heapinfo2 = (malloc_info *)((char *)heap2 + ((uintptr_t)((char *)((struct mdesc *)heap2)->heapinfo - (char *)state->s_heap)));
+
+ state->heapsize1 = heap1->heapsize;
+ state->heapsize2 = heap2->heapsize;
+
+ state->to_ignore1 = i1;
+ state-> to_ignore2 = i2;
+
+ state->equals_to1 = malloc(state->heaplimit * sizeof(heap_area_t *));
+ state->types1 = malloc(state->heaplimit * sizeof(type_name *));
+ for(i=0; i<=state->heaplimit; i++){
+ state->equals_to1[i] = malloc(MAX_FRAGMENT_PER_BLOCK * sizeof(heap_area_t));
+ state->types1[i] = malloc(MAX_FRAGMENT_PER_BLOCK * sizeof(type_name));
+ for(j=0; j<MAX_FRAGMENT_PER_BLOCK; j++){
+ state->equals_to1[i][j] = NULL;
+ state->types1[i][j] = NULL;
+ }
+ }
+
+ state->equals_to2 = malloc(state->heaplimit * sizeof(heap_area_t *));
+ state->types2 = malloc(state->heaplimit * sizeof(type_name *));
+ for(i=0; i<=state->heaplimit; i++){
+ state->equals_to2[i] = malloc(MAX_FRAGMENT_PER_BLOCK * sizeof(heap_area_t));
+ state->types2[i] = malloc(MAX_FRAGMENT_PER_BLOCK * sizeof(type_name));
+ for(j=0; j<MAX_FRAGMENT_PER_BLOCK; j++){
+ state->equals_to2[i][j] = NULL;
+ state->types2[i][j] = NULL;
+ }
+ }
+
+ if(MC_is_active()){
+ MC_ignore_global_variable("mm_diff_info");
+ }
+
+ return 0;
+
+}
+
+void reset_heap_information(){
+
+ struct s_mm_diff *state = mm_diff_info;
+
+ size_t i = 0, j;
+
+ for(i=0; i<=state->heaplimit; i++){
+ for(j=0; j<MAX_FRAGMENT_PER_BLOCK;j++){
+ heap_area_free(state->equals_to1[i][j]);
+ state->equals_to1[i][j] = NULL;
+ heap_area_free(state->equals_to2[i][j]);
+ state-> equals_to2[i][j] = NULL;
+ xbt_free(state->types1[i][j]);
+ state->types1[i][j] = NULL;
+ xbt_free(state->types2[i][j]);
+ state->types2[i][j] = NULL;
+ }
+ free(state->equals_to1[i]);
+ free(state->equals_to2[i]);
+ free(state->types1[i]);
+ free(state->types2[i]);
+ }
+
+ free(state->equals_to1);
+ free(state->equals_to2);
+ free(state->types1);
+ free(state->types2);
+
+ state->s_heap = NULL, state->heapbase1 = NULL, state->heapbase2 = NULL;
+ state->heapinfo1 = NULL, state->heapinfo2 = NULL;
+ state->heaplimit = 0, state->heapsize1 = 0, state->heapsize2 = 0;
+ state->to_ignore1 = NULL, state->to_ignore2 = NULL;
+ state->equals_to1 = NULL, state->equals_to2 = NULL;
+ state->types1 = NULL, state->types2 = NULL;
+
+}
+
+int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, mc_object_info_t info, mc_object_info_t other_info){
+
+ struct s_mm_diff *state = mm_diff_info;
+
+ if(heap1 == NULL && heap2 == NULL){
+ XBT_DEBUG("Malloc descriptors null");
+ return 0;
}
/* Start comparison */
- size_t i1, i2, j1, j2, k, current_block, current_fragment;
+ size_t i1, i2, j1, j2, k;
void *addr_block1, *addr_block2, *addr_frag1, *addr_frag2;
- void *snap_addr_block1, *snap_addr_block2;
- char *stack_name;
int nb_diff1 = 0, nb_diff2 = 0;
xbt_dynar_t previous = xbt_dynar_new(sizeof(heap_area_pair_t), heap_area_pair_free_voidp);
i1 = 1;
- while(i1 <= heaplimit){
+ while(i1 <= state->heaplimit){
- current_block = i1;
-
- if(heapinfo1[i1].type == -1){ /* Free block */
+ if(state->heapinfo1[i1].type == -1){ /* Free block */
i1++;
continue;
}
- addr_block1 = ((void*) (((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase));
- snap_addr_block1 = ((void*) (((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)heapbase1));
+ addr_block1 = ((void*) (((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)state->s_heap)->heapbase));
- if(heapinfo1[i1].type == 0){ /* Large block */
+ if(state->heapinfo1[i1].type == 0){ /* Large block */
- if((xbt_dynar_length(*stack1) < xbt_dynar_length(stacks_areas)) && ((stack_name = is_stack(addr_block1)) != NULL)){
- stack_region_t stack = xbt_new0(s_stack_region_t, 1);
- stack->address = snap_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(is_stack(addr_block1)){
+ for(k=0; k < state->heapinfo1[i1].busy_block.size; k++)
+ state->equals_to1[i1+k][0] = new_heap_area(i1, -1);
+ for(k=0; k < state->heapinfo2[i1].busy_block.size; k++)
+ state->equals_to2[i1+k][0] = new_heap_area(i1, -1);
+ i1 += state->heapinfo1[i1].busy_block.size;
+ continue;
}
- if(heapinfo1[i1].busy_block.equal_to != NULL){
+ if(state->equals_to1[i1][0] != NULL){
i1++;
continue;
}
res_compare = 0;
/* Try first to associate to same block in the other heap */
- if(heapinfo2[current_block].type == heapinfo1[current_block].type){
+ if(state->heapinfo2[i1].type == state->heapinfo1[i1].type){
- if(heapinfo2[current_block].busy_block.equal_to == NULL){
-
- addr_block2 = ((void*) (((ADDR2UINT(current_block)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase));
- snap_addr_block2 = ((void*) (((ADDR2UINT(current_block)) - 1) * BLOCKSIZE + (char*)heapbase2));
-
- if((xbt_dynar_length(*stack2) < xbt_dynar_length(stacks_areas)) && ((stack_name = is_stack(addr_block2)) != NULL)){
- stack_region_t stack = xbt_new0(s_stack_region_t, 1);
- stack->address = snap_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;
- }
+ if(state->equals_to2[i1][0] == NULL){
+
+ addr_block2 = ((void*) (((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)state->s_heap)->heapbase));
- res_compare = compare_area(addr_block1, addr_block2, previous, equals);
+ res_compare = compare_heap_area(addr_block1, addr_block2, NULL, info, other_info, NULL, 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);
+ if(res_compare != 1){
+ for(k=1; k < state->heapinfo2[i1].busy_block.size; k++)
+ state->equals_to2[i1+k][0] = new_heap_area(i1, -1);
+ for(k=1; k < state->heapinfo1[i1].busy_block.size; k++)
+ state->equals_to1[i1+k][0] = new_heap_area(i1, -1);
equal = 1;
- match_equals(previous, equals);
- i1 = i1 + heapinfo1[current_block].busy_block.size;
+ i1 += state->heapinfo1[i1].busy_block.size;
}
xbt_dynar_reset(previous);
}
- while(i2 <= heaplimit && !equal){
+ while(i2 <= state->heaplimit && !equal){
- addr_block2 = ((void*) (((ADDR2UINT(i2)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase));
- snap_addr_block2 = ((void*) (((ADDR2UINT(i2)) - 1) * BLOCKSIZE + (char*)heapbase2));
-
- if((xbt_dynar_length(*stack2) < xbt_dynar_length(stacks_areas)) && ((stack_name = is_stack(addr_block2)) != NULL)){
- stack_region_t stack = xbt_new0(s_stack_region_t, 1);
- stack->address = snap_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)state->s_heap)->heapbase));
- if(i2 == current_block){
+ if(i2 == i1){
i2++;
continue;
}
- if(heapinfo2[i2].type != 0){
+ if(state->heapinfo2[i2].type != 0){
i2++;
continue;
}
-
- if(heapinfo2[i2].busy_block.equal_to != NULL){
+
+ if(state->equals_to2[i2][0] != NULL){
i2++;
continue;
}
+
+ res_compare = compare_heap_area(addr_block1, addr_block2, NULL, info, other_info, NULL, 0);
- res_compare = compare_area(addr_block1, addr_block2, previous, equals);
-
- if(res_compare == 0 || 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);
- for(k=1; k < heapinfo1[i1].busy_block.size; k++)
- heapinfo1[i1+k].busy_block.equal_to = new_heap_area(i2, -1);
+ if(res_compare != 1 ){
+ for(k=1; k < state->heapinfo2[i2].busy_block.size; k++)
+ state->equals_to2[i2+k][0] = new_heap_area(i1, -1);
+ for(k=1; k < state->heapinfo1[i1].busy_block.size; k++)
+ state->equals_to1[i1+k][0] = new_heap_area(i2, -1);
equal = 1;
- match_equals(previous, equals);
- i1 = i1 + heapinfo1[i1].busy_block.size;
+ i1 += state->heapinfo1[i1].busy_block.size;
}
xbt_dynar_reset(previous);
}
if(!equal){
- XBT_DEBUG("Block %zu not found (size_used = %zu)", i1, heapinfo1[i1].busy_block.busy_size);
- i1 = heaplimit + 1;
+ XBT_DEBUG("Block %zu not found (size_used = %zu, addr = %p)", i1, state->heapinfo1[i1].busy_block.busy_size, addr_block1);
+ i1 = state->heaplimit + 1;
nb_diff1++;
+ //i1++;
}
}else{ /* Fragmented block */
- for(j1=0; j1 < (size_t) (BLOCKSIZE >> heapinfo1[i1].type); j1++){
-
- current_fragment = j1;
+ for(j1=0; j1 < (size_t) (BLOCKSIZE >> state->heapinfo1[i1].type); j1++){
- if(heapinfo1[i1].busy_frag.frag_size[j1] == -1) /* Free fragment */
+ if(state->heapinfo1[i1].busy_frag.frag_size[j1] == -1) /* Free fragment */
continue;
- if(heapinfo1[i1].busy_frag.equal_to[j1] != NULL)
+ if(state->equals_to1[i1][j1] != NULL)
continue;
- addr_frag1 = (void*) ((char *)addr_block1 + (j1 << heapinfo1[i1].type));
+ addr_frag1 = (void*) ((char *)addr_block1 + (j1 << state->heapinfo1[i1].type));
i2 = 1;
equal = 0;
/* Try first to associate to same fragment in the other heap */
- if(heapinfo2[current_block].type == heapinfo1[current_block].type){
+ if(state->heapinfo2[i1].type == state->heapinfo1[i1].type){
- if(heapinfo2[current_block].busy_frag.equal_to[current_fragment] == NULL){
-
- addr_block2 = ((void*) (((ADDR2UINT(current_block)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)s_heap)->heapbase));
- addr_frag2 = (void*) ((char *)addr_block2 + (current_fragment << ((xbt_mheap_t)s_heap)->heapinfo[current_block].type));
+ if(state->equals_to2[i1][j1] == NULL){
- res_compare = compare_area(addr_frag1, addr_frag2, previous, equals);
+ addr_block2 = ((void*) (((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)state->s_heap)->heapbase));
+ addr_frag2 = (void*) ((char *)addr_block2 + (j1 << ((xbt_mheap_t)state->s_heap)->heapinfo[i1].type));
- if(res_compare == 0){
+ res_compare = compare_heap_area(addr_frag1, addr_frag2, NULL, info, other_info, NULL, 0);
+
+ if(res_compare != 1)
equal = 1;
- match_equals(previous, equals);
- }
xbt_dynar_reset(previous);
- }
+ }
+
}
- while(i2 <= heaplimit && !equal){
+ while(i2 <= state->heaplimit && !equal){
-
- if(heapinfo2[i2].type <= 0){
+ if(state->heapinfo2[i2].type <= 0){
i2++;
continue;
}
- for(j2=0; j2 < (size_t) (BLOCKSIZE >> heapinfo2[i2].type); j2++){
+ for(j2=0; j2 < (size_t) (BLOCKSIZE >> state->heapinfo2[i2].type); j2++){
- if(heapinfo2[i2].type == heapinfo1[i1].type && i2 == current_block && j2 == current_fragment)
+ if(i2 == i1 && j2 == j1)
+ continue;
+
+ if(state->equals_to2[i2][j2] != NULL)
continue;
-
- if(heapinfo2[i2].busy_frag.equal_to[j2] != NULL)
- continue;
- 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));
+ addr_block2 = ((void*) (((ADDR2UINT(i2)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)state->s_heap)->heapbase));
+ addr_frag2 = (void*) ((char *)addr_block2 + (j2 <<((xbt_mheap_t)state->s_heap)->heapinfo[i2].type));
- res_compare = compare_area(addr_frag1, addr_frag2, previous, equals);
+ res_compare = compare_heap_area(addr_frag1, addr_frag2, NULL, info, other_info, NULL, 0);
- if(res_compare == 0){
+ if(res_compare != 1){
equal = 1;
- match_equals(previous, equals);
xbt_dynar_reset(previous);
break;
}
}
- 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]);
- i2 = heaplimit + 1;
- i1 = heaplimit + 1;
+ if(!equal){
+ XBT_DEBUG("Block %zu, fragment %zu not found (size_used = %zd, address = %p)\n", i1, j1, state->heapinfo1[i1].busy_frag.frag_size[j1], addr_frag1);
+ i2 = state->heaplimit + 1;
+ i1 = state->heaplimit + 1;
nb_diff1++;
break;
}
/* 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(heapinfo1[i].busy_block.busy_size > 0){
- if(heapinfo1[i].busy_block.equal_to == NULL){
+ while(i<=state->heaplimit){
+ if(state->heapinfo1[i].type == 0){
+ if(i1 == state->heaplimit){
+ if(state->heapinfo1[i].busy_block.busy_size > 0){
+ if(state->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);
+ addr_block1 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)state->heapbase1));
+ XBT_DEBUG("Block %zu (%p) not found (size used = %zu)", i, addr_block1, state->heapinfo1[i].busy_block.busy_size);
//mmalloc_backtrace_block_display((void*)heapinfo1, i);
}
nb_diff1++;
}
}
}
- 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));
- for(j=0; j < (size_t) (BLOCKSIZE >> heapinfo1[i].type); j++){
- if(current_block == heaplimit){
- if(heapinfo1[i].busy_frag.frag_size[j] > 0){
- if(heapinfo1[i].busy_frag.equal_to[j] == NULL){
+ if(state->heapinfo1[i].type > 0){
+ addr_block1 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)state->heapbase1));
+ real_addr_block1 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)((struct mdesc *)state->s_heap)->heapbase));
+ for(j=0; j < (size_t) (BLOCKSIZE >> state->heapinfo1[i].type); j++){
+ if(i1== state->heaplimit){
+ if(state->heapinfo1[i].busy_frag.frag_size[j] > 0){
+ if(state->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]);
+ addr_frag1 = (void*) ((char *)addr_block1 + (j << state->heapinfo1[i].type));
+ real_addr_frag1 = (void*) ((char *)real_addr_block1 + (j << ((struct mdesc *)state->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, state->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 == state->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(heapinfo2[i].busy_block.busy_size > 0){
- if(heapinfo2[i].busy_block.equal_to == NULL){
+ while(i<=state->heaplimit){
+ if(state->heapinfo2[i].type == 0){
+ if(i1 == state->heaplimit){
+ if(state->heapinfo2[i].busy_block.busy_size > 0){
+ if(state->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);
+ addr_block2 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)state->heapbase2));
+ XBT_DEBUG("Block %zu (%p) not found (size used = %zu)", i, addr_block2, state->heapinfo2[i].busy_block.busy_size);
//mmalloc_backtrace_block_display((void*)heapinfo2, i);
}
nb_diff2++;
}
}
}
- 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));
- for(j=0; j < (size_t) (BLOCKSIZE >> heapinfo2[i].type); j++){
- if(current_block == heaplimit){
- if(heapinfo2[i].busy_frag.frag_size[j] > 0){
- if(heapinfo2[i].busy_frag.equal_to[j] == NULL){
+ if(state->heapinfo2[i].type > 0){
+ addr_block2 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)state->heapbase2));
+ real_addr_block2 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)((struct mdesc *)state->s_heap)->heapbase));
+ for(j=0; j < (size_t) (BLOCKSIZE >> state->heapinfo2[i].type); j++){
+ if(i1 == state->heaplimit){
+ if(state->heapinfo2[i].busy_frag.frag_size[j] > 0){
+ if(state->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]);
+ addr_frag2 = (void*) ((char *)addr_block2 + (j << state->heapinfo2[i].type));
+ real_addr_frag2 = (void*) ((char *)real_addr_block2 + (j << ((struct mdesc *)state->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, state->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 == state->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(struct s_mm_diff *state, void *real_area1, void *real_area2, void *area1, void *area2, xbt_dynar_t previous, mc_object_info_t info, mc_object_info_t other_info, int size, int check_ignore){
+
+ int i = 0;
+ void *addr_pointed1, *addr_pointed2;
+ int pointer_align, res_compare;
+ ssize_t ignore1, ignore2;
+
+ while(i<size){
+
+ if(check_ignore > 0){
+ if((ignore1 = heap_comparison_ignore_size(state->to_ignore1, (char *)real_area1 + i)) != -1){
+ if((ignore2 = heap_comparison_ignore_size(state->to_ignore2, (char *)real_area2 + i)) == ignore1){
+ if(ignore1 == 0){
+ check_ignore--;
+ return 0;
+ }else{
+ i = i + ignore2;
+ check_ignore--;
+ continue;
+ }
+ }
+ }
+ }
+
+ 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 > state->s_heap) && ((char *)addr_pointed1 < (char *)state->s_heap + STD_HEAP_SIZE)
+ && (addr_pointed2 > state->s_heap) && ((char *)addr_pointed2 < (char *)state->s_heap + STD_HEAP_SIZE)){
+ res_compare = compare_heap_area(addr_pointed1, addr_pointed2, previous, info, other_info, NULL, 0);
+ if(res_compare == 1){
+ return res_compare;
+ }
+ i = pointer_align + sizeof(void *);
+ continue;
+ }else{
+ return 1;
+ }
+
+ }
+
+ i++;
+
+ }
+
+ return 0;
+
}
+// area_size is either a byte_size or an elements_count?&
+static int compare_heap_area_with_type(struct s_mm_diff *state, void *real_area1, void *real_area2, void *area1, void *area2,
+ xbt_dynar_t previous, mc_object_info_t info, mc_object_info_t other_info, char *type_id,
+ int area_size, int check_ignore, int pointer_level){
-static size_t heap_comparison_ignore_size(void *address){
+ if(is_stack(real_area1) && is_stack(real_area2))
+ return 0;
- unsigned int cursor = 0;
- int start = 0;
- int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
- mc_heap_ignore_region_t region;
+ ssize_t ignore1, ignore2;
- 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;
+ if((check_ignore > 0) && ((ignore1 = heap_comparison_ignore_size(state->to_ignore1, real_area1)) > 0) && ((ignore2 = heap_comparison_ignore_size(state->to_ignore2, real_area2)) == ignore1)){
+ return 0;
+ }
+
+ dw_type_t type = xbt_dict_get_or_null(info->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;;
+
+ 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(state, real_area1, real_area2, area1, area2, previous, info, other_info, type->dw_type_id, area_size, check_ignore, pointer_level);
+ break;
+ case DW_TAG_array_type:
+ subtype = xbt_dict_get_or_null(info->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_reference_type:
+ case DW_TAG_rvalue_reference_type:
+ case DW_TAG_structure_type:
+ case DW_TAG_union_type:
+ if(subtype->byte_size == 0){ /*declaration of the type, need the complete description */
+ subtype = xbt_dict_get_or_null(other_info->types_by_name, 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 = subtype->subtype;
+ if(subsubtype->byte_size == 0){ /*declaration of the type, need the complete description */
+ subsubtype = xbt_dict_get_or_null(other_info->types_by_name, subtype->name);
+ switch_types = 1;
+ }
+ elm_size = subsubtype->byte_size;
+ break;
+ default :
+ return 0;
+ break;
+ }
+ for(i=0; i<type->element_count; i++){
+ // TODO, add support for variable stride (DW_AT_byte_stride)
+ if(switch_types)
+ res = compare_heap_area_with_type(state, (char *)real_area1 + (i*elm_size), (char *)real_area2 + (i*elm_size), (char *)area1 + (i*elm_size), (char *)area2 + (i*elm_size), previous, other_info, info, type->dw_type_id, subtype->byte_size, check_ignore, pointer_level);
+ else
+ res = compare_heap_area_with_type(state, (char *)real_area1 + (i*elm_size), (char *)real_area2 + (i*elm_size), (char *)area1 + (i*elm_size), (char *)area2 + (i*elm_size), previous, info, other_info, type->dw_type_id, subtype->byte_size, check_ignore, pointer_level);
+ if(res == 1)
+ return res;
+ }
+ break;
+ case DW_TAG_reference_type:
+ case DW_TAG_rvalue_reference_type:
+ case DW_TAG_pointer_type:
+ if(type->dw_type_id && ((dw_type_t)xbt_dict_get_or_null(info->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 > state->s_heap && (char *)addr_pointed1 < (char*) state->s_heap + STD_HEAP_SIZE && addr_pointed2 > state->s_heap && (char *)addr_pointed2 < (char*) state->s_heap + STD_HEAP_SIZE)
+ res = compare_heap_area(addr_pointed1, addr_pointed2, previous, info, other_info, 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 > state->s_heap && (char *)addr_pointed1 < (char*) state->s_heap + STD_HEAP_SIZE && addr_pointed2 > state->s_heap && (char *)addr_pointed2 < (char*) state->s_heap + STD_HEAP_SIZE)
+ return compare_heap_area(addr_pointed1, addr_pointed2, previous, info, other_info, 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 */
+ dw_type_t full_type = xbt_dict_get_or_null(info->types_by_name, type->name);
+ if(full_type){
+ type = full_type;
+ }else{
+ type = xbt_dict_get_or_null(other_info->types_by_name, 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(state, (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_info, info, type_id, -1, check_ignore, 0);
+ else
+ res = compare_heap_area_with_type(state, (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, info, other_info, 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(state, (char *)real_area1 + member->offset, (char *)real_area2 + member->offset, (char *)area1 + member->offset, (char *)area2 + member->offset, previous, other_info, info, member->dw_type_id, -1, check_ignore, 0);
+ else
+ res = compare_heap_area_with_type(state, (char *)real_area1 + member->offset, (char *)real_area2 + member->offset, (char *)area1 + member->offset, (char *)area2 + member->offset, previous, info, other_info, 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(state, real_area1, real_area2, area1, area2, previous, info, other_info, type->byte_size, check_ignore);
+ break;
+ default:
+ break;
}
return 0;
+
}
+static char* get_offset_type(char* type_id, int offset, mc_object_info_t info, mc_object_info_t other_info, int area_size, int *switch_type){
+ dw_type_t type = xbt_dict_get_or_null(info->types, type_id);
+ if(type == NULL){
+ type = xbt_dict_get_or_null(other_info->types, type_id);
+ *switch_type = 1;
+ }
+ 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){
+ dw_type_t full_type = xbt_dict_get_or_null(info->types_by_name, type->name);
+ if(full_type){
+ type = full_type;
+ }else{
+ type = xbt_dict_get_or_null(other_info->types_by_name, type->name);
+ *switch_type = 1;
+ }
+ }else{
+ dw_type_t full_type = xbt_dict_get_or_null(other_info->types_by_name, type->name);
+ if(full_type){
+ type = full_type;
+ }else{
+ type = xbt_dict_get_or_null(info->types_by_name, 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;
+ }
+}
+
+int compare_heap_area(void *area1, void* area2, xbt_dynar_t previous, mc_object_info_t info, mc_object_info_t other_info, char *type_id, int pointer_level){
-int compare_area(void *area1, void* area2, xbt_dynar_t previous, xbt_dynar_t equals){
+ struct s_mm_diff* state = mm_diff_info;
- size_t i = 0, pointer_align = 0, ignore1 = 0, ignore2 = 0;
- void *address_pointed1, *address_pointed2;
int res_compare;
- size_t block1, frag1, block2, frag2, size;
+ ssize_t block1, frag1, block2, frag2;
+ ssize_t size;
int check_ignore = 0;
- void *addr_block1, *addr_block2, *addr_frag1, *addr_frag2;
+ 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;
+ 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;
match_pairs = 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;
+ block1 = ((char*)area1 - (char*)((xbt_mheap_t)state->s_heap)->heapbase) / BLOCKSIZE + 1;
+ block2 = ((char*)area2 - (char*)((xbt_mheap_t)state->s_heap)->heapbase) / BLOCKSIZE + 1;
- 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(is_block_stack((int)block1) && is_block_stack((int)block2)){
+ add_heap_area_pair(previous, block1, -1, block2, -1);
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
+ return 0;
+ }
+
+ if(((char *)area1 < (char*)((xbt_mheap_t)state->s_heap)->heapbase) || (block1 > state->heapsize1) || (block1 < 1) || ((char *)area2 < (char*)((xbt_mheap_t)state->s_heap)->heapbase) || (block2 > state->heapsize2) || (block2 < 1)){
+ if(match_pairs){
+ xbt_dynar_free(&previous);
+ }
return 1;
+ }
- addr_block1 = ((void*) (((ADDR2UINT(block1)) - 1) * BLOCKSIZE + (char*)heapbase1));
- addr_block2 = ((void*) (((ADDR2UINT(block2)) - 1) * BLOCKSIZE + (char*)heapbase2));
+ addr_block1 = ((void*) (((ADDR2UINT(block1)) - 1) * BLOCKSIZE + (char*)state->heapbase1));
+ addr_block2 = ((void*) (((ADDR2UINT(block2)) - 1) * BLOCKSIZE + (char*)state->heapbase2));
+
+ real_addr_block1 = ((void*) (((ADDR2UINT(block1)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)state->s_heap)->heapbase));
+ real_addr_block2 = ((void*) (((ADDR2UINT(block2)) - 1) * BLOCKSIZE + (char*)((xbt_mheap_t)state->s_heap)->heapbase));
+
+ if(type_id){
+ type = xbt_dict_get_or_null(info->types, type_id);
+ if(type->byte_size == 0){
+ if(type->subtype == NULL){
+ dw_type_t full_type = xbt_dict_get_or_null(info->types_by_name, type->name);
+ if(full_type)
+ type = full_type;
+ else
+ type = xbt_dict_get_or_null(other_info->types_by_name, type->name);
+ }else{
+ type = type->subtype;
+ }
+ }
+ if((type->type == 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 == heapinfo2[block2].type){
-
- if(heapinfo1[block1].type == -1){
- return 0;
- }else if(heapinfo1[block1].type == 0){
- if(heapinfo1[block1].busy_block.size != heapinfo2[block2].busy_block.size)
- return 1;
- if(heapinfo1[block1].busy_block.busy_size != heapinfo2[block2].busy_block.busy_size)
- return 1;
- if(!add_heap_area_pair(previous, block1, -1, block2, -1))
- return 0;
-
- size = heapinfo1[block1].busy_block.busy_size;
- frag1 = -1;
- frag2 = -1;
-
- area1_to_compare = addr_block1;
- area2_to_compare = addr_block2;
+ if((state->heapinfo1[block1].type == -1) && (state->heapinfo2[block2].type == -1)){ /* Free block */
- if((ignore_done < xbt_dynar_length(mc_heap_comparison_ignore)) && heapinfo1[block1].busy_block.ignore == 1)
- check_ignore = 1;
- }else{
- frag1 = ((uintptr_t) (ADDR2UINT (area1) % (BLOCKSIZE))) >> heapinfo1[block1].type;
- frag2 = ((uintptr_t) (ADDR2UINT (area2) % (BLOCKSIZE))) >> heapinfo2[block2].type;
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
+ return 0;
- if(heapinfo1[block1].busy_frag.frag_size[frag1] != heapinfo2[block2].busy_frag.frag_size[frag2])
- return 1;
- if(!add_heap_area_pair(previous, block1, frag1, block2, frag2))
+ }else if((state->heapinfo1[block1].type == 0) && (state->heapinfo2[block2].type == 0)){ /* Complete block */
+
+ if(state->equals_to1[block1][0] != NULL && state->equals_to2[block2][0] != NULL){
+ if(equal_blocks(state, block1, block2)){
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
return 0;
+ }
+ }
- addr_frag1 = (void*) ((char *)addr_block1 + (frag1 << heapinfo1[block1].type));
- addr_frag2 = (void*) ((char *)addr_block2 + (frag2 << heapinfo2[block2].type));
+ if(type_size != -1){
+ if(type_size != state->heapinfo1[block1].busy_block.busy_size
+ && type_size != state->heapinfo2[block2].busy_block.busy_size
+ && type->name!=NULL && !strcmp(type->name, "s_smx_context")){
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
+ return -1;
+ }
+ }
- area1_to_compare = addr_frag1;
- area2_to_compare = addr_frag2;
-
- size = heapinfo1[block1].busy_frag.frag_size[frag1];
+ if(state->heapinfo1[block1].busy_block.size != state->heapinfo2[block2].busy_block.size){
+ if(match_pairs){
+ xbt_dynar_free(&previous);
+ }
+ return 1;
+ }
- if(size == 0)
- return 0;
+ if(state->heapinfo1[block1].busy_block.busy_size != state->heapinfo2[block2].busy_block.busy_size){
+ if(match_pairs){
+ xbt_dynar_free(&previous);
+ }
+ return 1;
+ }
- if((ignore_done < xbt_dynar_length(mc_heap_comparison_ignore)) && heapinfo1[block1].busy_frag.ignore[frag1] == 1)
- check_ignore = 1;
+ if(!add_heap_area_pair(previous, block1, -1, block2, -1)){
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
+ return 0;
+ }
+
+ size = state->heapinfo1[block1].busy_block.busy_size;
+
+ if(type_id != NULL){
+ xbt_free(state->types1[block1][0]);
+ xbt_free(state->types2[block2][0]);
+ state->types1[block1][0] = strdup(type_id);
+ state->types2[block2][0] = strdup(type_id);
}
- }else if((heapinfo1[block1].type > 0) && (heapinfo2[block2].type > 0)){
- frag1 = ((uintptr_t) (ADDR2UINT (area1) % (BLOCKSIZE))) >> heapinfo1[block1].type;
- frag2 = ((uintptr_t) (ADDR2UINT (area2) % (BLOCKSIZE))) >> heapinfo2[block2].type;
- if(heapinfo1[block1].busy_frag.frag_size[frag1] != heapinfo2[block2].busy_frag.frag_size[frag2])
- return 1;
- if(!add_heap_area_pair(previous, block1, frag1, block2, frag2))
+ if(size <= 0){
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
return 0;
+ }
+
+ frag1 = -1;
+ frag2 = -1;
- addr_frag1 = (void*) ((char *)addr_block1 + (frag1 << heapinfo1[block1].type));
- addr_frag2 = (void*) ((char *)addr_block2 + (frag2 << heapinfo2[block2].type));
+ area1_to_compare = addr_block1;
+ area2_to_compare = addr_block2;
- area1_to_compare = addr_frag1;
- area2_to_compare = addr_frag2;
+ if((state->heapinfo1[block1].busy_block.ignore > 0) && (state->heapinfo2[block2].busy_block.ignore == state->heapinfo1[block1].busy_block.ignore))
+ check_ignore = state->heapinfo1[block1].busy_block.ignore;
- size = heapinfo1[block1].busy_frag.frag_size[frag1];
+ }else if((state->heapinfo1[block1].type > 0) && (state->heapinfo2[block2].type > 0)){ /* Fragmented block */
- if(size == 0)
- return 0;
+ frag1 = ((uintptr_t) (ADDR2UINT (area1) % (BLOCKSIZE))) >> state->heapinfo1[block1].type;
+ frag2 = ((uintptr_t) (ADDR2UINT (area2) % (BLOCKSIZE))) >> state->heapinfo2[block2].type;
- if((ignore_done < xbt_dynar_length(mc_heap_comparison_ignore)) && heapinfo1[block1].busy_frag.ignore[frag1] == 1)
- check_ignore = 1;
- }else{
- return 1;
- }
-
- while(i<size){
+ addr_frag1 = (void*) ((char *)addr_block1 + (frag1 << state->heapinfo1[block1].type));
+ addr_frag2 = (void*) ((char *)addr_block2 + (frag2 << state->heapinfo2[block2].type));
- if((ignore_done < xbt_dynar_length(mc_heap_comparison_ignore)) && check_ignore){
+ real_addr_frag1 = (void*) ((char *)real_addr_block1 + (frag1 << ((xbt_mheap_t)state->s_heap)->heapinfo[block1].type));
+ real_addr_frag2 = (void*) ((char *)real_addr_block2 + (frag2 << ((xbt_mheap_t)state->s_heap)->heapinfo[block2].type));
- if((ignore1 = heap_comparison_ignore_size((char *)area1 + i)) > 0){
- if((ignore2 = heap_comparison_ignore_size((char *)area2 + i)) == ignore1){
- i = i + ignore2;
- ignore_done++;
- continue;
+ if(type_size != -1){
+ if(state->heapinfo1[block1].busy_frag.frag_size[frag1] == -1 || state->heapinfo2[block2].busy_frag.frag_size[frag2] == -1){
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
+ return -1;
+ }
+ if(type_size != state->heapinfo1[block1].busy_frag.frag_size[frag1]|| type_size != state->heapinfo2[block2].busy_frag.frag_size[frag2]){
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
}
+ return -1;
}
}
-
- if(memcmp(((char *)area1_to_compare) + i, ((char *)area2_to_compare) + i, 1) != 0){
- /* Check pointer difference */
- pointer_align = (i / sizeof(void*)) * sizeof(void*);
- address_pointed1 = *((void **)((char *)area1_to_compare + pointer_align));
- address_pointed2 = *((void **)((char *)area2_to_compare + pointer_align));
+ if(state->equals_to1[block1][frag1] != NULL && state->equals_to2[block2][frag2] != NULL){
+ if(equal_fragments(state, block1, frag1, block2, frag2)){
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
+ return 0;
+ }
+ }
- res_compare = compare_area(address_pointed1, address_pointed2, previous, equals);
+ if(state->heapinfo1[block1].busy_frag.frag_size[frag1] != state->heapinfo2[block2].busy_frag.frag_size[frag2]){
+ if(type_size == -1){
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
+ return -1;
+ }else{
+ if(match_pairs){
+ xbt_dynar_free(&previous);
+ }
+ return 1;
+ }
+ }
- if(res_compare == 1)
- return 1;
+ size = state->heapinfo1[block1].busy_frag.frag_size[frag1];
- i = pointer_align + sizeof(void *);
-
- }else{
+ if(type_id != NULL){
+ xbt_free(state->types1[block1][frag1]);
+ xbt_free(state->types2[block2][frag2]);
+ state->types1[block1][frag1] = strdup(type_id);
+ state->types2[block2][frag2] = strdup(type_id);
+ }
- i++;
+ if(real_addr_frag1 != area1 || real_addr_frag2 != area2){
+ offset1 = (char *)area1 - (char *)real_addr_frag1;
+ offset2 = (char *)area2 - (char *)real_addr_frag2;
+ if(state->types1[block1][frag1] != NULL && state->types2[block2][frag2] != NULL){
+ new_type_id1 = get_offset_type(state->types1[block1][frag1], offset1, info, other_info, size, &switch_type);
+ new_type_id2 = get_offset_type(state->types2[block2][frag2], offset1, info, other_info, size, &switch_type);
+ }else if(state->types1[block1][frag1] != NULL){
+ new_type_id1 = get_offset_type(state->types1[block1][frag1], offset1, info, other_info, size, &switch_type);
+ new_type_id2 = get_offset_type(state->types1[block1][frag1], offset2, info, other_info, size, &switch_type);
+ }else if(state->types2[block2][frag2] != NULL){
+ new_type_id1 = get_offset_type(state->types2[block2][frag2], offset1, info, other_info, size, &switch_type);
+ new_type_id2 = get_offset_type(state->types2[block2][frag2], offset2, info, other_info, size, &switch_type);
+ }else{
+ if(match_pairs){
+ match_equals(state, 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_info->types, new_type_id1);
+ while(type->byte_size == 0 && type->dw_type_id != NULL)
+ type = xbt_dict_get_or_null(other_info->types, type->dw_type_id);
+ new_size1 = type->byte_size;
+ type = xbt_dict_get_or_null(other_info->types, new_type_id2);
+ while(type->byte_size == 0 && type->dw_type_id != NULL)
+ type = xbt_dict_get_or_null(other_info->types, type->dw_type_id);
+ new_size2 = type->byte_size;
+ }else{
+ type = xbt_dict_get_or_null(info->types, new_type_id1);
+ while(type->byte_size == 0 && type->dw_type_id != NULL)
+ type = xbt_dict_get_or_null(info->types, type->dw_type_id);
+ new_size1 = type->byte_size;
+ type = xbt_dict_get_or_null(info->types, new_type_id2);
+ while(type->byte_size == 0 && type->dw_type_id != NULL)
+ type = xbt_dict_get_or_null(info->types, type->dw_type_id);
+ new_size2 = type->byte_size;
+ }
+ }else{
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
+ return -1;
+ }
+ }
+ 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(match_pairs)
- match_equals(previous, equals);
+ if(offset1 == 0 && offset2 == 0){
+ if(!add_heap_area_pair(previous, block1, frag1, block2, frag2)){
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
+ return 0;
+ }
+ }
- return 0;
-
+ if(size <= 0){
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
+ }
+ return 0;
+ }
+
+ if((state->heapinfo1[block1].busy_frag.ignore[frag1] > 0) && ( state->heapinfo2[block2].busy_frag.ignore[frag2] == state->heapinfo1[block1].busy_frag.ignore[frag1]))
+ check_ignore = state->heapinfo1[block1].busy_frag.ignore[frag1];
+
+ }else{
-}
+ if(match_pairs){
+ xbt_dynar_free(&previous);
+ }
+ return 1;
-static void heap_area_pair_free(heap_area_pair_t pair){
- if (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 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);
+ /* Start comparison*/
+ if(type_id != NULL){
+ if(switch_type)
+ res_compare = compare_heap_area_with_type(state, area1, area2, area1_to_compare, area2_to_compare, previous, other_info, info, type_id, size, check_ignore, pointer_level);
+ else
+ res_compare = compare_heap_area_with_type(state, area1, area2, area1_to_compare, area2_to_compare, previous, info, other_info, 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(state, area1, area2, area1_to_compare, area2_to_compare, previous, other_info, info, size, check_ignore);
+ else
+ res_compare = compare_heap_area_without_type(state, area1, area2, area1_to_compare, area2_to_compare, previous, info, other_info, size, check_ignore);
+ if(res_compare == 1){
+ if(match_pairs)
+ xbt_dynar_free(&previous);
+ return res_compare;
+ }
+ }
- return 1;
+ if(match_pairs){
+ match_equals(state, previous);
+ xbt_dynar_free(&previous);
}
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;
- }
-
- return 1;
-}
+/*********************************************** Miscellaneous ***************************************************/
+/****************************************************************************************************************/
-void match_equals(xbt_dynar_t list, xbt_dynar_t equals){
+// Not used:
+static int get_pointed_area_size(void *area, int heap){
- unsigned int cursor = 0;
- heap_area_pair_t current_pair;
- heap_area_t previous_area;
+ struct s_mm_diff *state = mm_diff_info;
- void *real_addr_block1, *real_addr_block2, *real_addr_frag1, *real_addr_frag2;
+ int block, frag;
+ malloc_info *heapinfo;
- xbt_dynar_foreach(list, cursor, current_pair){
+ if(heap == 1)
+ heapinfo = state->heapinfo1;
+ else
+ heapinfo = state->heapinfo2;
- if(current_pair->fragment1 != -1){
+ block = ((char*)area - (char*)((xbt_mheap_t)state->s_heap)->heapbase) / BLOCKSIZE + 1;
- 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);
+ if(((char *)area < (char*)((xbt_mheap_t)state->s_heap)->heapbase) || (block > state->heapsize1) || (block < 1))
+ return -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);
-
- }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);
+// Not used:
+char *get_type_description(mc_object_info_t info, 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(info->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
+// Not used:
int mmalloc_linear_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2){
+ struct s_mm_diff *state = mm_diff_info;
+
if(heap1 == NULL && heap1 == NULL){
XBT_DEBUG("Malloc descriptors null");
return 0;
}
/* Heap information */
- heaplimit = ((struct mdesc *)heap1)->heaplimit;
+ state->heaplimit = ((struct mdesc *)heap1)->heaplimit;
- s_heap = (char *)mmalloc_get_current_heap() - STD_HEAP_SIZE - getpagesize();
+ state->s_heap = (char *)mmalloc_get_current_heap() - STD_HEAP_SIZE - getpagesize();
- heapbase1 = (char *)heap1 + BLOCKSIZE;
- heapbase2 = (char *)heap2 + BLOCKSIZE;
+ state->heapbase1 = (char *)heap1 + BLOCKSIZE;
+ state->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)));
+ state->heapinfo1 = (malloc_info *)((char *)heap1 + ((uintptr_t)((char *)heap1->heapinfo - (char *)state->s_heap)));
+ state->heapinfo2 = (malloc_info *)((char *)heap2 + ((uintptr_t)((char *)heap2->heapinfo - (char *)state->s_heap)));
- heapsize1 = heap1->heapsize;
- heapsize2 = heap2->heapsize;
+ state->heapsize1 = heap1->heapsize;
+ state->heapsize2 = heap2->heapsize;
/* Start comparison */
size_t i, j, k;
i = 1;
- while(i <= heaplimit){
+ while(i <= state->heaplimit){
- addr_block1 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)heapbase1));
- addr_block2 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)heapbase2));
+ addr_block1 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)state->heapbase1));
+ addr_block2 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)state->heapbase2));
- if(heapinfo1[i].type != heapinfo2[i].type){
+ if(state->heapinfo1[i].type != state->heapinfo2[i].type){
distance += BLOCKSIZE;
- XBT_DEBUG("Different type of blocks (%zu) : %d - %d -> distance = %d", i, heapinfo1[i].type, heapinfo2[i].type, distance);
+ XBT_DEBUG("Different type of blocks (%zu) : %d - %d -> distance = %d", i, state->heapinfo1[i].type, state->heapinfo2[i].type, distance);
i++;
}else{
- if(heapinfo1[i].type == -1){ /* Free block */
+ if(state->heapinfo1[i].type == -1){ /* Free block */
i++;
continue;
}
- if(heapinfo1[i].type == 0){ /* Large block */
+ if(state->heapinfo1[i].type == 0){ /* Large block */
- if(heapinfo1[i].busy_block.size != heapinfo2[i].busy_block.size){
- distance += BLOCKSIZE * max(heapinfo1[i].busy_block.size, heapinfo2[i].busy_block.size);
- i += max(heapinfo1[i].busy_block.size, heapinfo2[i].busy_block.size);
- XBT_DEBUG("Different larger of cluster at block %zu : %zu - %zu -> distance = %d", i, heapinfo1[i].busy_block.size, heapinfo2[i].busy_block.size, distance);
+ if(state->heapinfo1[i].busy_block.size != state->heapinfo2[i].busy_block.size){
+ distance += BLOCKSIZE * max(state->heapinfo1[i].busy_block.size, state->heapinfo2[i].busy_block.size);
+ i += max(state->heapinfo1[i].busy_block.size, state->heapinfo2[i].busy_block.size);
+ XBT_DEBUG("Different larger of cluster at block %zu : %zu - %zu -> distance = %d", i, state->heapinfo1[i].busy_block.size, state->heapinfo2[i].busy_block.size, distance);
continue;
}
k = 0;
//while(k < (heapinfo1[i].busy_block.busy_size)){
- while(k < heapinfo1[i].busy_block.size * BLOCKSIZE){
+ while(k < state->heapinfo1[i].busy_block.size * BLOCKSIZE){
if(memcmp((char *)addr_block1 + k, (char *)addr_block2 + k, 1) != 0){
distance ++;
}
}else { /* Fragmented block */
- for(j=0; j < (size_t) (BLOCKSIZE >> heapinfo1[i].type); j++){
+ for(j=0; j < (size_t) (BLOCKSIZE >> state->heapinfo1[i].type); j++){
- addr_frag1 = (void*) ((char *)addr_block1 + (j << heapinfo1[i].type));
- addr_frag2 = (void*) ((char *)addr_block2 + (j << heapinfo2[i].type));
+ addr_frag1 = (void*) ((char *)addr_block1 + (j << state->heapinfo1[i].type));
+ addr_frag2 = (void*) ((char *)addr_block2 + (j << state->heapinfo2[i].type));
- if(heapinfo1[i].busy_frag.frag_size[j] == 0 && heapinfo2[i].busy_frag.frag_size[j] == 0){
+ if(state->heapinfo1[i].busy_frag.frag_size[j] == 0 && state->heapinfo2[i].busy_frag.frag_size[j] == 0){
continue;
}
k=0;
//while(k < max(heapinfo1[i].busy_frag.frag_size[j], heapinfo2[i].busy_frag.frag_size[j])){
- while(k < (BLOCKSIZE / (BLOCKSIZE >> heapinfo1[i].type))){
+ while(k < (BLOCKSIZE / (BLOCKSIZE >> state->heapinfo1[i].type))){
if(memcmp((char *)addr_frag1 + k, (char *)addr_frag2 + k, 1) != 0){
distance ++;
}
}
-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;
-
-
-
-}
