X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/50376f845bf79ba752eb226efdeb2a46b2ff88cf..d9e664e60bd7fab62db0f1d838efd1d7bfd4d367:/src/mc/mc_checkpoint.c diff --git a/src/mc/mc_checkpoint.c b/src/mc/mc_checkpoint.c index 30dfc176d3..c75d4f51ac 100644 --- a/src/mc/mc_checkpoint.c +++ b/src/mc/mc_checkpoint.c @@ -29,8 +29,7 @@ void *start_text_binary; static void MC_snapshot_stack_free(mc_snapshot_stack_t s){ if(s){ - xbt_free(s->local_variables->data); - xbt_free(s->local_variables); + xbt_dynar_free(&(s->local_variables)); xbt_free(s); } } @@ -50,6 +49,23 @@ static void local_variable_free_voidp(void *v){ local_variable_free((local_variable_t) * (void **) v); } +static void MC_region_destroy(mc_mem_region_t reg) +{ + xbt_free(reg->data); + xbt_free(reg); +} + +void MC_free_snapshot(mc_snapshot_t snapshot){ + unsigned int i; + for(i=0; i < NB_REGIONS; i++) + MC_region_destroy(snapshot->regions[i]); + + xbt_free(snapshot->stack_sizes); + xbt_dynar_free(&(snapshot->stacks)); + xbt_dynar_free(&(snapshot->to_ignore)); + xbt_free(snapshot); +} + /******************************* Snapshot regions ********************************/ /*********************************************************************************/ @@ -73,16 +89,9 @@ static void MC_region_restore(mc_mem_region_t reg) before copying the data */ memcpy(reg->start_addr, reg->data, reg->size); - return; } -static void MC_region_destroy(mc_mem_region_t reg) -{ - xbt_free(reg->data); - xbt_free(reg); -} - static void MC_snapshot_add_region(mc_snapshot_t snapshot, int type, void *start_addr, size_t size) { mc_mem_region_t new_reg = MC_region_new(type, start_addr, size); @@ -492,16 +501,20 @@ static xbt_dynar_t MC_get_local_variables_values(void *stack_context){ int frame_found = 0, region_type; void *frame_pointer_address = NULL; long true_ip, value; + int stop = 0; xbt_dynar_t variables = xbt_dynar_new(sizeof(local_variable_t), local_variable_free_voidp); - while(ret >= 0){ + while(ret >= 0 && !stop){ unw_get_reg(&c, UNW_REG_IP, &ip); unw_get_reg(&c, UNW_REG_SP, &sp); unw_get_proc_name(&c, frame_name, sizeof (frame_name), &off); + if(!strcmp(frame_name, "smx_ctx_sysv_wrapper")) /* Stop before context switch with maestro */ + stop = 1; + if((long)ip > (long)start_text_libsimgrid) frame = xbt_dict_get_or_null(mc_local_variables_libsimgrid, frame_name); else @@ -698,10 +711,13 @@ static void MC_dump_checkpoint_ignore(mc_snapshot_t snapshot){ xbt_dynar_foreach(mc_checkpoint_ignore, cursor, region){ if(region->addr > snapshot->regions[0]->start_addr && (char *)(region->addr) < (char *)snapshot->regions[0]->start_addr + STD_HEAP_SIZE){ offset = (char *)region->addr - (char *)snapshot->regions[0]->start_addr; - memset((char *)snapshot->regions[0]->start_addr + offset, 0, region->size); + memset((char *)snapshot->regions[0]->data + offset, 0, region->size); }else if(region->addr > snapshot->regions[2]->start_addr && (char *)(region->addr) < (char*)snapshot->regions[2]->start_addr + snapshot->regions[2]->size){ offset = (char *)region->addr - (char *)snapshot->regions[2]->start_addr; - memset((char *)snapshot->regions[2]->start_addr + offset, 0, region->size); + memset((char *)snapshot->regions[2]->data + offset, 0, region->size); + }else if(region->addr > snapshot->regions[1]->start_addr && (char *)(region->addr) < (char*)snapshot->regions[1]->start_addr + snapshot->regions[1]->size){ + offset = (char *)region->addr - (char *)snapshot->regions[1]->start_addr; + memset((char *)snapshot->regions[1]->data + offset, 0, region->size); } } @@ -710,10 +726,6 @@ static void MC_dump_checkpoint_ignore(mc_snapshot_t snapshot){ mc_snapshot_t MC_take_snapshot(){ - int raw_mem = (mmalloc_get_current_heap() == raw_heap); - - MC_SET_RAW_MEM; - mc_snapshot_t snapshot = xbt_new0(s_mc_snapshot_t, 1); snapshot->nb_processes = xbt_swag_size(simix_global->process_list); @@ -730,11 +742,6 @@ mc_snapshot_t MC_take_snapshot(){ MC_dump_checkpoint_ignore(snapshot); - MC_UNSET_RAW_MEM; - - if(raw_mem) - MC_SET_RAW_MEM; - return snapshot; } @@ -747,17 +754,6 @@ void MC_restore_snapshot(mc_snapshot_t snapshot){ } -void MC_free_snapshot(mc_snapshot_t snapshot){ - unsigned int i; - for(i=0; i < NB_REGIONS; i++) - MC_region_destroy(snapshot->regions[i]); - - xbt_free(snapshot->stack_sizes); - xbt_dynar_free(&(snapshot->stacks)); - xbt_dynar_free(&(snapshot->to_ignore)); - xbt_free(snapshot); -} - mc_snapshot_t SIMIX_pre_mc_snapshot(smx_simcall_t simcall){ return MC_take_snapshot(); }