-/* mc_diff - Memory snapshooting and comparison */
-
-/* Copyright (c) 2008-2014. The SimGrid Team.
+/* Copyright (c) 2008-2015. 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/ex_interface.h" /* internals of backtrace setup */
+/* mc_diff - Memory snapshooting and comparison */
+
+#include "src/xbt/ex_interface.h" /* internals of backtrace setup */
#include "xbt/str.h"
#include "mc/mc.h"
#include "xbt/mmalloc.h"
-#include "mc_object_info.h"
#include "mc/datatypes.h"
-#include "mc/mc_private.h"
-#include "mc/mc_snapshot.h"
+#include "src/mc/mc_private.h"
+#include "src/mc/mc_snapshot.h"
+#include "src/mc/mc_dwarf.hpp"
+#include "src/mc/Type.hpp"
+
+using simgrid::mc::remote;
extern "C" {
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_diff, xbt,
"Logging specific to mc_diff in mc");
-xbt_dynar_t mc_heap_comparison_ignore;
-xbt_dynar_t stacks_areas;
-
-
-
-/********************************* Backtrace ***********************************/
-/******************************************************************************/
-
-static void mmalloc_backtrace_block_display(void *heapinfo, int block)
-{
-
- /* xbt_ex_t e; */
-
- /* if (((malloc_info *)heapinfo)[block].busy_block.bt_size == 0) { */
- /* fprintf(stderr, "No backtrace available for that block, sorry.\n"); */
- /* return; */
- /* } */
-
- /* memcpy(&e.bt,&(((malloc_info *)heapinfo)[block].busy_block.bt),sizeof(void*)*XBT_BACKTRACE_SIZE); */
- /* e.used = ((malloc_info *)heapinfo)[block].busy_block.bt_size; */
-
- /* xbt_ex_setup_backtrace(&e); */
- /* if (e.used == 0) { */
- /* fprintf(stderr, "(backtrace not set)\n"); */
- /* } else if (e.bt_strings == NULL) { */
- /* fprintf(stderr, "(backtrace not ready to be computed. %s)\n",xbt_binary_name?"Dunno why":"xbt_binary_name not setup yet"); */
- /* } else { */
- /* int i; */
-
- /* fprintf(stderr, "Backtrace of where the block %d was malloced (%d frames):\n", block ,e.used); */
- /* for (i = 0; i < e.used; i++) /\* no need to display "xbt_backtrace_display" *\/{ */
- /* fprintf(stderr, "%d ---> %s\n",i, e.bt_strings[i] + 4); */
- /* } */
- /* } */
-}
-
-static void mmalloc_backtrace_fragment_display(void *heapinfo, int block,
- int frag)
-{
-
- /* xbt_ex_t e; */
-
- /* memcpy(&e.bt,&(((malloc_info *)heapinfo)[block].busy_frag.bt[frag]),sizeof(void*)*XBT_BACKTRACE_SIZE); */
- /* e.used = XBT_BACKTRACE_SIZE; */
-
- /* xbt_ex_setup_backtrace(&e); */
- /* if (e.used == 0) { */
- /* fprintf(stderr, "(backtrace not set)\n"); */
- /* } else if (e.bt_strings == NULL) { */
- /* fprintf(stderr, "(backtrace not ready to be computed. %s)\n",xbt_binary_name?"Dunno why":"xbt_binary_name not setup yet"); */
- /* } else { */
- /* int i; */
-
- /* fprintf(stderr, "Backtrace of where the fragment %d in block %d was malloced (%d frames):\n", frag, block ,e.used); */
- /* for (i = 0; i < e.used; i++) /\* no need to display "xbt_backtrace_display" *\/{ */
- /* fprintf(stderr, "%d ---> %s\n",i, e.bt_strings[i] + 4); */
- /* } */
- /* } */
-
-}
-
-static void mmalloc_backtrace_display(void *addr)
-{
-
- /* size_t block, frag_nb; */
- /* int type; */
-
- /* block = (((char*) (addr) - (char*) heap -> heapbase) / BLOCKSIZE + 1); */
-
- /* type = heap->heapinfo[block].type; */
-
- /* switch(type){ */
- /* case MMALLOC_TYPE_HEAPINFO : */
- /* case MMALLOC_TYPE_FREE : /\* Free block *\/ */
- /* fprintf(stderr, "Asked to display the backtrace of a block that is free. I'm puzzled\n"); */
- /* xbt_abort(); */
- /* break; */
- /* case 0: /\* Large block *\/ */
- /* mmalloc_backtrace_block_display(heap->heapinfo, block); */
- /* break; */
- /* default: /\* Fragmented block *\/ */
- /* frag_nb = RESIDUAL(addr, BLOCKSIZE) >> type; */
- /* if(heap->heapinfo[block].busy_frag.frag_size[frag_nb] == -1){ */
- /* fprintf(stderr , "Asked to display the backtrace of a fragment that is free. I'm puzzled\n"); */
- /* xbt_abort(); */
- /* } */
- /* mmalloc_backtrace_fragment_display(heap->heapinfo, block, frag_nb); */
- /* break; */
- /* } */
-}
-
-
-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_mc_diff {
+struct XBT_PRIVATE s_mc_diff {
s_xbt_mheap_t std_heap_copy;
- size_t heaplimit;
+ std::size_t heaplimit;
// Number of blocks in the heaps:
- size_t heapsize1, heapsize2;
- xbt_dynar_t to_ignore1, to_ignore2;
+ std::size_t heapsize1, heapsize2;
+ std::vector<simgrid::mc::IgnoredHeapRegion>* to_ignore1;
+ std::vector<simgrid::mc::IgnoredHeapRegion>* to_ignore2;
s_heap_area_t *equals_to1, *equals_to2;
- dw_type_t *types1, *types2;
- size_t available;
+ simgrid::mc::Type **types1;
+ simgrid::mc::Type **types2;
+ std::size_t available;
};
#define equals_to1_(i,j) equals_to1[ MAX_FRAGMENT_PER_BLOCK*(i) + (j)]
#define types1_(i,j) types1[ MAX_FRAGMENT_PER_BLOCK*(i) + (j)]
#define types2_(i,j) types2[ MAX_FRAGMENT_PER_BLOCK*(i) + (j)]
-__thread struct s_mc_diff *mc_diff_info = NULL;
+static __thread struct s_mc_diff *mc_diff_info = nullptr;
/*********************************** Free functions ************************************/
static void heap_area_pair_free(heap_area_pair_t pair)
{
xbt_free(pair);
- pair = NULL;
+ pair = nullptr;
}
static void heap_area_pair_free_voidp(void *d)
static void heap_area_free(heap_area_t area)
{
xbt_free(area);
- area = NULL;
+ area = nullptr;
}
/************************************************************************************/
{
if (is_new_heap_area_pair(list, block1, fragment1, block2, fragment2)) {
- heap_area_pair_t pair = NULL;
+ heap_area_pair_t pair = nullptr;
pair = xbt_new0(s_heap_area_pair_t, 1);
pair->block1 = block1;
pair->fragment1 = fragment1;
return 0;
}
-static ssize_t heap_comparison_ignore_size(xbt_dynar_t ignore_list,
- const void *address)
+static ssize_t heap_comparison_ignore_size(
+ std::vector<simgrid::mc::IgnoredHeapRegion>* ignore_list,
+ const void *address)
{
-
- unsigned int cursor = 0;
int start = 0;
- int end = xbt_dynar_length(ignore_list) - 1;
- mc_heap_ignore_region_t region;
+ int end = ignore_list->size() - 1;
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)
+ unsigned int cursor = (start + end) / 2;
+ simgrid::mc::IgnoredHeapRegion const& region = (*ignore_list)[cursor];
+ if (region.address == address)
+ return region.size;
+ if (region.address < address)
start = cursor + 1;
- if (region->address > address)
+ if (region.address > address)
end = cursor - 1;
}
return -1;
}
-static int is_stack(const void *address)
+static bool is_stack(const 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;
+ for (auto const& stack : mc_model_checker->process().stack_areas())
+ if (address == stack.address)
+ return true;
+ return false;
}
// TODO, this should depend on the snapshot?
-static int is_block_stack(int block)
+static bool 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;
+ for (auto const& stack : mc_model_checker->process().stack_areas())
+ if (block == stack.block)
+ return true;
+ return false;
}
static void match_equals(struct s_mc_diff *state, xbt_dynar_t list)
return 0;
}
-int init_heap_information(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t i1,
- xbt_dynar_t i2)
+}
+
+int init_heap_information(xbt_mheap_t heap1, xbt_mheap_t heap2,
+ std::vector<simgrid::mc::IgnoredHeapRegion>* i1,
+ std::vector<simgrid::mc::IgnoredHeapRegion>* i2)
{
- if (mc_diff_info == NULL) {
+ if (mc_diff_info == nullptr) {
mc_diff_info = xbt_new0(struct s_mc_diff, 1);
- mc_diff_info->equals_to1 = NULL;
- mc_diff_info->equals_to2 = NULL;
- mc_diff_info->types1 = NULL;
- mc_diff_info->types2 = NULL;
+ mc_diff_info->equals_to1 = nullptr;
+ mc_diff_info->equals_to2 = nullptr;
+ mc_diff_info->types1 = nullptr;
+ mc_diff_info->types2 = nullptr;
}
struct s_mc_diff *state = mc_diff_info;
realloc(state->equals_to1,
state->heaplimit * MAX_FRAGMENT_PER_BLOCK *
sizeof(s_heap_area_t));
- state->types1 = (s_dw_type**)
+ state->types1 = (simgrid::mc::Type**)
realloc(state->types1,
state->heaplimit * MAX_FRAGMENT_PER_BLOCK *
- sizeof(type_name *));
+ sizeof(simgrid::mc::Type*));
state->equals_to2 = (s_heap_area_t*)
realloc(state->equals_to2,
state->heaplimit * MAX_FRAGMENT_PER_BLOCK *
sizeof(s_heap_area_t));
- state->types2 = (s_dw_type**)
+ state->types2 = (simgrid::mc::Type**)
realloc(state->types2,
state->heaplimit * MAX_FRAGMENT_PER_BLOCK *
- sizeof(type_name *));
+ sizeof(simgrid::mc::Type*));
state->available = state->heaplimit;
}
}
+extern "C" {
+
void reset_heap_information()
{
static inline
mc_mem_region_t MC_get_heap_region(mc_snapshot_t snapshot)
{
- size_t n = snapshot->snapshot_regions_count;
+ size_t n = snapshot->snapshot_regions.size();
for (size_t i=0; i!=n; ++i) {
- mc_mem_region_t region = snapshot->snapshot_regions[i];
- if (region->region_type == MC_REGION_TYPE_HEAP)
+ mc_mem_region_t region = snapshot->snapshot_regions[i].get();
+ if (region->region_type() == simgrid::mc::RegionType::Heap)
return region;
}
xbt_die("No heap region");
int mmalloc_compare_heap(mc_snapshot_t snapshot1, mc_snapshot_t snapshot2)
{
- mc_process_t process = &mc_model_checker->process();
+ simgrid::mc::Process* process = &mc_model_checker->process();
struct s_mc_diff *state = mc_diff_info;
/* Start comparison */
res_compare =
compare_heap_area(simgrid::mc::ProcessIndexMissing, addr_block1, addr_block2, snapshot1, snapshot2,
- NULL, NULL, 0);
+ nullptr, NULL, 0);
if (res_compare != 1) {
for (k = 1; k < heapinfo2->busy_block.size; k++)
res_compare =
compare_heap_area(simgrid::mc::ProcessIndexMissing, addr_block1, addr_block2, snapshot1, snapshot2,
- NULL, NULL, 0);
+ nullptr, NULL, 0);
if (res_compare != 1) {
for (k = 1; k < heapinfo2b->busy_block.size; k++)
res_compare =
compare_heap_area(simgrid::mc::ProcessIndexMissing, addr_frag1, addr_frag2, snapshot1, snapshot2,
- NULL, NULL, 0);
+ nullptr, NULL, 0);
if (res_compare != 1)
equal = 1;
res_compare =
compare_heap_area(simgrid::mc::ProcessIndexMissing, addr_frag1, addr_frag2, snapshot2, snapshot2,
- NULL, NULL, 0);
+ nullptr, NULL, 0);
if (res_compare != 1) {
equal = 1;
xbt_dynar_t previous, int size,
int check_ignore)
{
- mc_process_t process = &mc_model_checker->process();
+ simgrid::mc::Process* process = &mc_model_checker->process();
int i = 0;
const void *addr_pointed1, *addr_pointed2;
if (MC_snapshot_region_memcmp(((char *) real_area1) + i, heap_region1, ((char *) real_area2) + i, heap_region2, 1) != 0) {
pointer_align = (i / sizeof(void *)) * sizeof(void *);
- addr_pointed1 = MC_snapshot_read_pointer(snapshot1, (char *) real_area1 + pointer_align, process_index);
- addr_pointed2 = MC_snapshot_read_pointer(snapshot2, (char *) real_area2 + pointer_align, process_index);
+ addr_pointed1 = snapshot1->read(
+ remote((void**)((char *) real_area1 + pointer_align)), process_index);
+ addr_pointed2 = snapshot2->read(
+ remote((void**)((char *) real_area2 + pointer_align)), process_index);
- if (addr_pointed1 > process->maestro_stack_start
- && addr_pointed1 < process->maestro_stack_end
- && addr_pointed2 > process->maestro_stack_start
- && addr_pointed2 < process->maestro_stack_end) {
+ if (process->in_maestro_stack(remote(addr_pointed1))
+ && process->in_maestro_stack(remote(addr_pointed2))) {
i = pointer_align + sizeof(void *);
continue;
} else if (addr_pointed1 > state->std_heap_copy.heapbase
// Both addreses are in the heap:
res_compare =
compare_heap_area(process_index, addr_pointed1, addr_pointed2, snapshot1,
- snapshot2, previous, NULL, 0);
+ snapshot2, previous, nullptr, 0);
if (res_compare == 1) {
return res_compare;
}
const void *real_area1, const void *real_area2,
mc_snapshot_t snapshot1,
mc_snapshot_t snapshot2,
- xbt_dynar_t previous, dw_type_t type,
+ xbt_dynar_t previous, simgrid::mc::Type* type,
int area_size, int check_ignore,
int pointer_level)
{
top:
- if (is_stack(real_area1) && is_stack(real_area2))
+ // HACK: This should not happen but in pratice, there is some
+ // DW_TAG_typedef without DW_AT_type. We should fix this somehow.
+ if (type == nullptr)
return 0;
+ if (is_stack(real_area1) && is_stack(real_area2))
+ return 0;
ssize_t ignore1, ignore2;
if ((check_ignore > 0)
return 0;
}
- dw_type_t subtype, subsubtype;
+ simgrid::mc::Type *subtype, *subsubtype;
int res, elm_size;
- unsigned int cursor = 0;
- dw_type_t member;
- const void *addr_pointed1, *addr_pointed2;;
+ const void *addr_pointed1, *addr_pointed2;
mc_mem_region_t heap_region1 = MC_get_heap_region(snapshot1);
mc_mem_region_t heap_region2 = MC_get_heap_region(snapshot2);
return 1;
case DW_TAG_base_type:
- if (type->name != NULL && strcmp(type->name, "char") == 0) { /* String, hence random (arbitrary ?) size */
+ if (!type->name.empty() && type->name == "char") { /* String, hence random (arbitrary ?) size */
if (real_area1 == real_area2)
return -1;
else
case DW_TAG_rvalue_reference_type:
case DW_TAG_pointer_type:
if (type->subtype && type->subtype->type == DW_TAG_subroutine_type) {
- addr_pointed1 = MC_snapshot_read_pointer(snapshot1, real_area1, process_index);
- addr_pointed2 = MC_snapshot_read_pointer(snapshot2, real_area2, process_index);
+ addr_pointed1 = snapshot1->read(remote((void**)real_area1), process_index);
+ addr_pointed2 = snapshot2->read(remote((void**)real_area2), process_index);
return (addr_pointed1 != addr_pointed2);;
} else {
pointer_level++;
if (pointer_level > 1) { /* Array of pointers */
for (size_t i = 0; i < (area_size / sizeof(void *)); i++) {
- addr_pointed1 = MC_snapshot_read_pointer(snapshot1, (char*) real_area1 + i * sizeof(void *), process_index);
- addr_pointed2 = MC_snapshot_read_pointer(snapshot2, (char*) real_area2 + i * sizeof(void *), process_index);
+ addr_pointed1 = snapshot1->read(
+ remote((void**)((char*) real_area1 + i * sizeof(void *))),
+ process_index);
+ addr_pointed2 = snapshot2->read(
+ remote((void**)((char*) real_area2 + i * sizeof(void *))),
+ process_index);
if (addr_pointed1 > state->std_heap_copy.heapbase
&& addr_pointed1 < mc_snapshot_get_heap_end(snapshot1)
&& addr_pointed2 > state->std_heap_copy.heapbase
return res;
}
} else {
- addr_pointed1 = MC_snapshot_read_pointer(snapshot1, real_area1, process_index);
- addr_pointed2 = MC_snapshot_read_pointer(snapshot2, real_area2, process_index);
+ addr_pointed1 = snapshot1->read(remote((void**)real_area1), process_index);
+ addr_pointed2 = snapshot2->read(remote((void**)real_area2), process_index);
if (addr_pointed1 > state->std_heap_copy.heapbase
&& addr_pointed1 < mc_snapshot_get_heap_end(snapshot1)
&& addr_pointed2 > state->std_heap_copy.heapbase
return -1;
}
} else {
- cursor = 0;
- xbt_dynar_foreach(type->members, cursor, member) {
+ for(simgrid::mc::Member& member : type->members) {
// TODO, optimize this? (for the offset case)
- void *real_member1 =
- mc_member_resolve(real_area1, type, member, (mc_address_space_t) snapshot1, process_index);
- void *real_member2 =
- mc_member_resolve(real_area2, type, member, (mc_address_space_t) snapshot2, process_index);
+ void *real_member1 = simgrid::dwarf::resolve_member(
+ real_area1, type, &member, (simgrid::mc::AddressSpace*) snapshot1, process_index);
+ void *real_member2 = simgrid::dwarf::resolve_member(
+ real_area2, type, &member, (simgrid::mc::AddressSpace*) snapshot2, process_index);
res =
- compare_heap_area_with_type(state, process_index, real_member1, real_member2,
+ compare_heap_area_with_type(state, process_index, real_member1, real_member2,
snapshot1, snapshot2,
- previous, member->subtype, -1,
+ previous, member.type, -1,
check_ignore, 0);
if (res == 1) {
return res;
* @param area_size
* @return DWARF type ID for given offset
*/
-static dw_type_t get_offset_type(void *real_base_address, dw_type_t type,
+static simgrid::mc::Type* get_offset_type(void *real_base_address, simgrid::mc::Type* type,
int offset, int area_size,
mc_snapshot_t snapshot, int process_index)
{
if (area_size > type->byte_size && area_size % type->byte_size == 0)
return type;
else
- return NULL;
+ return nullptr;
} else {
- unsigned int cursor = 0;
- dw_type_t member;
- xbt_dynar_foreach(type->members, cursor, member) {
+ for(simgrid::mc::Member& member : type->members) {
- if (!member->location.size) {
+ if (member.has_offset_location()) {
// We have the offset, use it directly (shortcut):
- if (member->offset == offset)
- return member->subtype;
+ if (member.offset() == offset)
+ return member.type;
} else {
- void *real_member =
- mc_member_resolve(real_base_address, type, member,
- snapshot, process_index);
+ void *real_member = simgrid::dwarf::resolve_member(
+ real_base_address, type, &member, snapshot, process_index);
if ((char*) real_member - (char *) real_base_address == offset)
- return member->subtype;
+ return member.type;
}
}
- return NULL;
+ return nullptr;
}
break;
default:
/* FIXME : other cases ? */
- return NULL;
+ return nullptr;
break;
}
}
* @param area2 Process address for state 2
* @param snapshot1 Snapshot of state 1
* @param snapshot2 Snapshot of state 2
- * @param previous Pairs of blocks already compared on the current path (or NULL)
+ * @param previous Pairs of blocks already compared on the current path (or nullptr)
* @param type_id Type of variable
* @param pointer_level
* @return 0 (same), 1 (different), -1
*/
int compare_heap_area(int process_index, const void *area1, const void *area2, mc_snapshot_t snapshot1,
mc_snapshot_t snapshot2, xbt_dynar_t previous,
- dw_type_t type, int pointer_level)
+ simgrid::mc::Type* type, int pointer_level)
{
- mc_process_t process = &mc_model_checker->process();
+ simgrid::mc::Process* process = &mc_model_checker->process();
struct s_mc_diff *state = mc_diff_info;
int type_size = -1;
int offset1 = 0, offset2 = 0;
int new_size1 = -1, new_size2 = -1;
- dw_type_t new_type1 = NULL, new_type2 = NULL;
+ simgrid::mc::Type *new_type1 = nullptr, *new_type2 = NULL;
int match_pairs = 0;
// This is the address of std_heap->heapinfo in the application process:
void* heapinfo_address = &((xbt_mheap_t) process->heap_address)->heapinfo;
- const malloc_info* heapinfos1 = (const malloc_info*) MC_snapshot_read_pointer(
- snapshot1, heapinfo_address, process_index);
- const malloc_info* heapinfos2 = (const malloc_info*) MC_snapshot_read_pointer(
- snapshot2, heapinfo_address, process_index);
+ const malloc_info* heapinfos1 = snapshot1->read(
+ remote((const malloc_info**)heapinfo_address), process_index);
+ const malloc_info* heapinfos2 = snapshot2->read(
+ remote((const malloc_info**)heapinfo_address), process_index);
malloc_info heapinfo_temp1, heapinfo_temp2;
- if (previous == NULL) {
+ if (previous == nullptr) {
previous =
xbt_dynar_new(sizeof(heap_area_pair_t), heap_area_pair_free_voidp);
match_pairs = 1;
type = type->full_type;
// This assume that for "boring" types (volatile ...) byte_size is absent:
- while (type->byte_size == 0 && type->subtype != NULL)
+ while (type->byte_size == 0 && type->subtype != nullptr)
type = type->subtype;
// Find type_size:
if ((type->type == DW_TAG_pointer_type)
- || ((type->type == DW_TAG_base_type) && type->name != NULL
- && (!strcmp(type->name, "char"))))
+ || ((type->type == DW_TAG_base_type) && !type->name.empty()
+ && type->name == "char"))
type_size = -1;
else
type_size = type->byte_size;
if (type_size != -1) {
if (type_size != (ssize_t) heapinfo1->busy_block.busy_size
&& type_size != (ssize_t) heapinfo2->busy_block.busy_size
- && (type->name == NULL || !strcmp(type->name, "struct s_smx_context"))) {
+ && (type->name.empty() || type->name == "struct s_smx_context")) {
if (match_pairs) {
match_equals(state, previous);
xbt_dynar_free(&previous);
// Remember (basic) type inference.
// The current data structure only allows us to do this for the whole block.
- if (type != NULL && area1 == real_addr_block1) {
+ if (type != nullptr && area1 == real_addr_block1) {
state->types1_(block1, 0) = type;
}
- if (type != NULL && area2 == real_addr_block2) {
+ if (type != nullptr && area2 == real_addr_block2) {
state->types2_(block2, 0) = type;
}
// Remember (basic) type inference.
// The current data structure only allows us to do this for the whole fragment.
- if (type != NULL && area1 == real_addr_frag1) {
+ if (type != nullptr && area1 == real_addr_frag1) {
state->types1_(block1, frag1) = type;
}
- if (type != NULL && area2 == real_addr_frag2) {
+ if (type != nullptr && area2 == real_addr_frag2) {
state->types2_(block2, frag2) = type;
}
// The type of the variable is already known:
new_type2 = type;
}
// Type inference from the block type.
- else if (state->types1_(block1, frag1) != NULL
- || state->types2_(block2, frag2) != NULL) {
+ else if (state->types1_(block1, frag1) != nullptr
+ || state->types2_(block2, frag2) != nullptr) {
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) {
+ if (state->types1_(block1, frag1) != nullptr
+ && state->types2_(block2, frag2) != nullptr) {
new_type1 =
get_offset_type(real_addr_frag1, state->types1_(block1, frag1),
offset1, size, snapshot1, process_index);
new_type2 =
get_offset_type(real_addr_frag2, state->types2_(block2, frag2),
offset1, size, snapshot2, process_index);
- } else if (state->types1_(block1, frag1) != NULL) {
+ } else if (state->types1_(block1, frag1) != nullptr) {
new_type1 =
get_offset_type(real_addr_frag1, state->types1_(block1, frag1),
offset1, size, snapshot1, process_index);
new_type2 =
get_offset_type(real_addr_frag2, state->types1_(block1, frag1),
offset2, size, snapshot2, process_index);
- } else if (state->types2_(block2, frag2) != NULL) {
+ } else if (state->types2_(block2, frag2) != nullptr) {
new_type1 =
get_offset_type(real_addr_frag1, state->types2_(block2, frag2),
offset1, size, snapshot1, process_index);
return -1;
}
- if (new_type1 != NULL && new_type2 != NULL && new_type1 != new_type2) {
+ if (new_type1 != nullptr && new_type2 != NULL && new_type1 != new_type2) {
type = new_type1;
- while (type->byte_size == 0 && type->subtype != NULL)
+ while (type->byte_size == 0 && type->subtype != nullptr)
type = type->subtype;
new_size1 = type->byte_size;
type = new_type2;
- while (type->byte_size == 0 && type->subtype != NULL)
+ while (type->byte_size == 0 && type->subtype != nullptr)
type = type->subtype;
new_size2 = type->byte_size;
}
}
-// Not used:
-char *get_type_description(mc_object_info_t info, char *type_name)
-{
-
- 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
struct s_mc_diff *state = mc_diff_info;
- if (heap1 == NULL && heap1 == NULL) {
+ if (heap1 == nullptr && heap1 == NULL) {
XBT_DEBUG("Malloc descriptors null");
return 0;
}
