/**
* @brief Create llvm JIT Function and translate instructions to fill the JIT Function.
* Optimize the llvm IR and save the function and its entry address to map.
*
* @param cpu CPU core structure
*/
static void
cpu_translate_function(cpu_t *cpu)
{
BasicBlock *bb_ret, *bb_trap, *label_entry, *bb_start;
addr_t start_addr = cpu->f.get_pc(cpu, cpu->rf.grf);
/* create function and fill it with std basic blocks */
cpu->dyncom_engine->cur_func = cpu_create_function(cpu, "jitmain", &bb_ret, &bb_trap, &label_entry);
/* TRANSLATE! */
UPDATE_TIMING(cpu, TIMER_FE, true);
if (cpu->dyncom_engine->flags_debug & CPU_DEBUG_SINGLESTEP) {
bb_start = cpu_translate_singlestep(cpu, bb_ret, bb_trap);
} else if (cpu->dyncom_engine->flags_debug & CPU_DEBUG_SINGLESTEP_BB) {
bb_start = cpu_translate_singlestep_bb(cpu, bb_ret, bb_trap);
} else {
bb_start = cpu_translate_all(cpu, bb_ret, bb_trap);
}
UPDATE_TIMING(cpu, TIMER_FE, false);
/* finish entry basicblock */
BranchInst::Create(bb_start, label_entry);
/* make sure everything is OK */
verifyFunction(*cpu->dyncom_engine->cur_func, AbortProcessAction);
if (cpu->dyncom_engine->flags_debug & CPU_DEBUG_PRINT_IR)
cpu->dyncom_engine->mod->dump();
if (cpu->dyncom_engine->flags_codegen & CPU_CODEGEN_OPTIMIZE) {
UPDATE_TIMING(cpu, TIMER_OPT, true);
LOG("*** Optimizing...");
optimize(cpu);
LOG("done.\n");
UPDATE_TIMING(cpu, TIMER_OPT, false);
if (cpu->dyncom_engine->flags_debug & CPU_DEBUG_PRINT_IR_OPTIMIZED)
cpu->dyncom_engine->mod->dump();
}
LOG("*** Translating...");
UPDATE_TIMING(cpu, TIMER_BE, true);
cpu->dyncom_engine->fp[cpu->dyncom_engine->functions] = cpu->dyncom_engine->exec_engine->getPointerToFunction(cpu->dyncom_engine->cur_func);
//cpu->dyncom_engine->fmap[start_addr] = cpu->dyncom_engine->fp[cpu->dyncom_engine->functions];
save_addr_in_func(cpu, cpu->dyncom_engine->fp[cpu->dyncom_engine->functions]);
LOG("Generate native code for %x\n", start_addr);
UPDATE_TIMING(cpu, TIMER_BE, false);
LOG("done.\n");
cpu->dyncom_engine->functions++;/* Bug."functions" member could not be reset. */
}
static void
cpu_translate_function(cpu_t *cpu)
{
BasicBlock *bb_ret, *bb_trap, *label_entry, *bb_start;
/* create function and fill it with std basic blocks */
cpu->cur_func = cpu_create_function(cpu, "jitmain", &bb_ret, &bb_trap, &label_entry);
cpu->func[cpu->functions] = cpu->cur_func;
/* TRANSLATE! */
update_timing(cpu, TIMER_FE, true);
if (cpu->flags_debug & CPU_DEBUG_SINGLESTEP) {
bb_start = cpu_translate_singlestep(cpu, bb_ret, bb_trap);
} else if (cpu->flags_debug & CPU_DEBUG_SINGLESTEP_BB) {
bb_start = cpu_translate_singlestep_bb(cpu, bb_ret, bb_trap);
} else {
bb_start = cpu_translate_all(cpu, bb_ret, bb_trap);
}
update_timing(cpu, TIMER_FE, false);
/* finish entry basicblock */
BranchInst::Create(bb_start, label_entry);
/* make sure everything is OK */
verifyFunction(*cpu->cur_func, PrintMessageAction);
if (cpu->flags_debug & CPU_DEBUG_PRINT_IR)
cpu->mod->dump();
if (cpu->flags_codegen & CPU_CODEGEN_OPTIMIZE) {
LOG("*** Optimizing...");
optimize(cpu);
LOG("done.\n");
if (cpu->flags_debug & CPU_DEBUG_PRINT_IR_OPTIMIZED)
cpu->mod->dump();
}
LOG("*** Translating...");
update_timing(cpu, TIMER_BE, true);
cpu->fp[cpu->functions] = cpu->exec_engine->getPointerToFunction(cpu->cur_func);
update_timing(cpu, TIMER_BE, false);
LOG("done.\n");
cpu->functions++;
}