1 /* Copyright (c) 2008-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "internal_config.h"
8 #include "mc_object_info.h"
9 #include "mc_private.h"
10 #include "smpi/private.h"
11 #include "mc/mc_snapshot.h"
12 #include "mc_ignore.h"
13 #include "mc_protocol.h"
14 #include "mc_client.h"
18 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_ignore, mc,
19 "Logging specific to MC ignore mechanism");
21 // ***** Model-checked
23 void MC_ignore_heap(void *address, size_t size)
25 if (mc_mode != MC_MODE_CLIENT)
28 xbt_mheap_t heap = mmalloc_get_current_heap();
30 s_mc_heap_ignore_region_t region;
31 memset(®ion, 0, sizeof(region));
32 region.address = address;
36 (char *) heap->heapbase) / BLOCKSIZE + 1;
37 if (heap->heapinfo[region.block].type == 0) {
39 heap->heapinfo[region.block].busy_block.ignore++;
42 ((uintptr_t) (ADDR2UINT(address) % (BLOCKSIZE))) >>
43 heap->heapinfo[region.block].type;
44 heap->heapinfo[region.block].busy_frag.ignore[region.fragment]++;
47 s_mc_ignore_heap_message_t message;
48 message.type = MC_MESSAGE_IGNORE_HEAP;
49 message.region = region;
50 if (MC_protocol_send(mc_client->fd, &message, sizeof(message)))
51 xbt_die("Could not send ignored region to MCer");
54 void MC_remove_ignore_heap(void *address, size_t size)
56 if (mc_mode != MC_MODE_CLIENT)
59 s_mc_ignore_memory_message_t message;
60 message.type = MC_MESSAGE_UNIGNORE_HEAP;
61 message.addr = address;
63 MC_client_send_message(&message, sizeof(message));
66 void MC_ignore_global_variable(const char *name)
68 // TODO, send a message to the model_checker
69 xbt_die("Unimplemented");
72 /** @brief Register a stack in the model checker
74 * The stacks are allocated in the heap. The MC handle them especially
75 * when we analyse/compare the content of the heap so it must be told where
76 * they are with this function.
79 * @param process Process owning the stack
81 * @param size Size of the stack
83 void MC_register_stack_area(void *stack, smx_process_t process, void *context, size_t size)
85 if (mc_mode != MC_MODE_CLIENT)
88 xbt_mheap_t heap = mmalloc_get_current_heap();
90 s_stack_region_t region;
91 memset(®ion, 0, sizeof(region));
92 region.address = stack;
93 region.context = context;
97 (char *) heap->heapbase) / BLOCKSIZE + 1;
99 if (smpi_privatize_global_variables && process) {
100 region.process_index = smpi_process_index_of_smx_process(process);
103 region.process_index = -1;
105 s_mc_stack_region_message_t message;
106 message.type = MC_MESSAGE_STACK_REGION;
107 message.stack_region = region;
108 MC_client_send_message(&message, sizeof(message));