void core(t_machine *vm, t_exec *begin, T_TEAM lampions, void *mem)
{
int cont;
t_graph *g;
t_instruct *ops;
int dec;
cont = 1;
dec = 1;
ops = init_call();
vm->cycle_to_die = CYCLE_TO_DIE;
g = init(begin, lampions);
g->lampions = lampions;
while (begin && (vm->n_cycles < vm->dump || vm->dump == NO_DUMP) && cont)
{
g->vm = vm;
gere_event(g, &cont, 0, dec);
check_for_near(begin, &begin, vm->cycle_to_die);
dec = call(begin, lampions, mem, ops);
vm->last_live = last(lampions, vm->last_live);
count_and_live(vm, begin);
vm->n_cycles++;
}
if (cont)
gere_event(g, &cont, 1, 0);
if (vm->dump != NO_DUMP || !cont)
opt_dump(mem);
}
int main(int argc, char *argv[])
{
long call_num;
int status;
int insyscall = 0;
char **args;
if(argc < 4){
printf("Usage: tracer xx rodata_addr rodata_size\n");
return 0;
}
rodata_addr_start = atoi(argv[2]);
rodata_size = atoi(argv[3]);
rodata_addr_end = rodata_size + rodata_addr_start;
init_call();
child = fork();
if (child == 0) {
ptrace(PTRACE_TRACEME, 0, NULL, NULL);
if(argc <= 4)
args = NULL;
else
args = &argv[4];
close(1);
execve(argv[1], args, NULL);
} else {
while (1) {
wait(&status);
if (WIFEXITED(status))
break;
call_num = ptrace(PTRACE_PEEKUSER, child, BYTES * ORIG_REG0, NULL);
if (insyscall == 0) {
insyscall = 1;
reg0 = ptrace(PTRACE_PEEKUSER, child, BYTES * REG0, NULL);
} else {
insyscall = 0;
ptrace(PTRACE_GETREGS, child, NULL, ®s);
syscall_trace[call_num](call_num);
}
ptrace(PTRACE_SYSCALL, child, NULL, NULL);
}
}
return 0;
}
