#include "mc_unw.h"
#include "mc_protocol.h"
#include "mc_smx.h"
+#include "mc_hash.hpp"
using simgrid::mc::remote;
s_mc_snapshot_stack::~s_mc_snapshot_stack()
{
- xbt_dynar_free(&(this->stack_frames));
- mc_unw_destroy_context(this->context);
+ if (this->context)
+ mc_unw_destroy_context(this->context);
xbt_free(this->context);
}
-static void MC_snapshot_stack_free(mc_snapshot_stack_t s)
-{
- if (s)
- delete(s);
-}
-
static void MC_snapshot_stack_free_voidp(void *s)
{
mc_snapshot_stack_t stack = (mc_snapshot_stack_t) * (void **) s;
- MC_snapshot_stack_free(stack);
+ delete stack;
}
static void local_variable_free_voidp(void *v)
}
}
-static std::vector<s_local_variable> MC_get_local_variables_values(xbt_dynar_t stack_frames, int process_index)
+static std::vector<s_local_variable> MC_get_local_variables_values(
+ std::vector<s_mc_stack_frame_t>& stack_frames, int process_index)
{
-
- unsigned cursor1 = 0;
- mc_stack_frame_t stack_frame;
-
std::vector<s_local_variable> variables;
- xbt_dynar_foreach(stack_frames, cursor1, stack_frame) {
- mc_fill_local_variables_values(stack_frame, stack_frame->frame, process_index, variables);
- }
+ for (s_mc_stack_frame_t& stack_frame : stack_frames)
+ mc_fill_local_variables_values(&stack_frame, stack_frame.frame, process_index, variables);
return std::move(variables);
}
static void MC_stack_frame_free_voipd(void *s)
{
mc_stack_frame_t stack_frame = *(mc_stack_frame_t *) s;
- if (stack_frame) {
- xbt_free(stack_frame->frame_name);
- xbt_free(stack_frame);
- }
+ delete(stack_frame);
}
-static xbt_dynar_t MC_unwind_stack_frames(mc_unw_context_t stack_context)
+static std::vector<s_mc_stack_frame_t> MC_unwind_stack_frames(mc_unw_context_t stack_context)
{
mc_process_t process = &mc_model_checker->process();
- xbt_dynar_t result =
- xbt_dynar_new(sizeof(mc_stack_frame_t), MC_stack_frame_free_voipd);
+ std::vector<s_mc_stack_frame_t> result;
unw_cursor_t c;
} else
while (1) {
- mc_stack_frame_t stack_frame = xbt_new(s_mc_stack_frame_t, 1);
- xbt_dynar_push(result, &stack_frame);
+ s_mc_stack_frame_t stack_frame;
- stack_frame->unw_cursor = c;
+ stack_frame.unw_cursor = c;
unw_word_t ip, sp;
unw_get_reg(&c, UNW_REG_IP, &ip);
unw_get_reg(&c, UNW_REG_SP, &sp);
- stack_frame->ip = ip;
- stack_frame->sp = sp;
+ stack_frame.ip = ip;
+ stack_frame.sp = sp;
// TODO, use real addresses in frame_t instead of fixing it here
dw_frame_t frame = process->find_function(remote(ip));
- stack_frame->frame = frame;
+ stack_frame.frame = frame;
if (frame) {
- stack_frame->frame_name = xbt_strdup(frame->name);
- stack_frame->frame_base =
+ stack_frame.frame_name = frame->name;
+ stack_frame.frame_base =
(unw_word_t) mc_find_frame_base(frame, frame->object_info, &c);
} else {
- stack_frame->frame_base = 0;
- stack_frame->frame_name = NULL;
+ stack_frame.frame_base = 0;
+ stack_frame.frame_name = std::string();
}
+ result.push_back(std::move(stack_frame));
+
/* Stop before context switch with maestro */
if (frame != NULL && frame->name != NULL
&& !strcmp(frame->name, "smx_ctx_sysv_wrapper"))
}
}
- if (xbt_dynar_length(result) == 0) {
+ if (result.empty()) {
XBT_INFO("unw_init_local failed");
xbt_abort();
}
- return result;
+ return std::move(result);
};
-static xbt_dynar_t MC_take_snapshot_stacks(mc_snapshot_t * snapshot)
+static std::vector<s_mc_snapshot_stack_t> MC_take_snapshot_stacks(mc_snapshot_t * snapshot)
{
-
- xbt_dynar_t res =
- xbt_dynar_new(sizeof(s_mc_snapshot_stack_t),
- MC_snapshot_stack_free_voidp);
+ std::vector<s_mc_snapshot_stack_t> res;
unsigned int cursor = 0;
stack_region_t current_stack;
// FIXME, cross-process support (stack_areas)
xbt_dynar_foreach(stacks_areas, cursor, current_stack) {
- mc_snapshot_stack_t st = new s_mc_snapshot_stack();
+ s_mc_snapshot_stack_t st;
// Read the context from remote process:
unw_context_t context;
mc_model_checker->process().read_bytes(
&context, sizeof(context), remote(current_stack->context));
- st->context = xbt_new0(s_mc_unw_context_t, 1);
- if (mc_unw_init_context(st->context, &mc_model_checker->process(),
+ st.context = xbt_new0(s_mc_unw_context_t, 1);
+ if (mc_unw_init_context(st.context, &mc_model_checker->process(),
&context) < 0) {
xbt_die("Could not initialise the libunwind context.");
}
+ st.stack_frames = MC_unwind_stack_frames(st.context);
+ st.local_variables = MC_get_local_variables_values(st.stack_frames, current_stack->process_index);
+ st.process_index = current_stack->process_index;
- st->stack_frames = MC_unwind_stack_frames(st->context);
- st->local_variables = MC_get_local_variables_values(st->stack_frames, current_stack->process_index);
- st->process_index = current_stack->process_index;
+ unw_word_t sp = st.stack_frames[0].sp;
- unw_word_t sp = xbt_dynar_get_as(st->stack_frames, 0, mc_stack_frame_t)->sp;
+ res.push_back(std::move(st));
- xbt_dynar_push(res, &st);
size_t stack_size =
(char*) current_stack->address + current_stack->size - (char*) sp;
(*snapshot)->stack_sizes.push_back(stack_size);
}
- return res;
+ return std::move(res);
}
if (_sg_mc_visited > 0 || strcmp(_sg_mc_property_file, "")) {
snapshot->stacks =
MC_take_snapshot_stacks(&snapshot);
- if (_sg_mc_hash && snapshot->stacks != NULL) {
+ if (_sg_mc_hash && !snapshot->stacks.empty()) {
snapshot->hash = mc_hash_processes_state(num_state, snapshot->stacks);
} else {
snapshot->hash = 0;