static jit_value_t
pj_jit_internal(jit_function_t function, jit_value_t *var_values, int nvars, pj_term_t *term)
{
if (term->type == pj_ttype_variable) {
pj_variable_t *v = (pj_variable_t *)term;
return var_values[v->ivar];
}
else if (term->type == pj_ttype_constant) {
pj_constant_t *c = (pj_constant_t *)term;
if (c->const_type == pj_int_type)
return jit_value_create_nint_constant(function, jit_type_sys_int, c->value_u.int_value);
else if (c->const_type == pj_uint_type) /* FIXME no jit_value_create_nuint_constant defined? */
return jit_value_create_nint_constant(function, jit_type_sys_int, c->value_u.uint_value);
else if (c->const_type == pj_double_type)
return jit_value_create_float64_constant(function, jit_type_sys_double, c->value_u.dbl_value);
else
abort();
}
else if (term->type == pj_ttype_op) {
return pj_jit_internal_op(function, var_values, nvars, (pj_op_t *)term);
}
else {
abort();
}
}
void emitDecrement(jit_function_t function, jit_value_t ptr, ops *unit) {
jit_value_t tmp = jit_insn_load_relative(function, ptr, 0, jit_type_ubyte);
jit_value_t numbyte = jit_value_create_nint_constant(function, jit_type_ubyte, unit->count);
tmp = jit_insn_sub(function, tmp, numbyte);
tmp = jit_insn_convert(function, tmp, jit_type_ubyte, 0);
jit_insn_store_relative(function, ptr, 0, tmp);
}
void JitInstanceMemberFunction::compileThisAdjustementThunk( size_t a_uiThisOffset ) const
{
o_assert(m_ThisAdjustmentThunks.find(a_uiThisOffset) == m_ThisAdjustmentThunks.end());
size_t argCount = getSignature()->getParameterCount()+1; // parameters+this
jit_value_t* args = o_allocate_n(argCount, jit_value_t);
// The fixing function has the same signature as the indirected one
jit_function_t func = jit_function_create((jit_context_t)m_jit_context.context, jit_function_get_signature((jit_function_t)m_jit_function.function));
jit_value_t new_this = jit_insn_add(func, jit_value_get_param(func, 0), jit_value_create_nint_constant(func, jit_type_nint, -((int)a_uiThisOffset)));
args[0] = new_this;
size_t i = 1;
for(;i<argCount;++i)
{
args[i] = jit_value_get_param(func, i);
}
string name = "[thunk]:"+m_pSubroutine->getQualifiedDecoratedName()+":adjustor{"+boost::lexical_cast<string>(a_uiThisOffset)+"}";
jit_insn_call(func
, name.c_str()
, (jit_function_t)m_jit_function.function
, jit_function_get_signature((jit_function_t)m_jit_function.function)
, args
, argCount
, 0);
int result = jit_function_compile(func);
o_assert(result != 0);
o_deallocate_n(args, argCount, jit_value_t);
m_ThisAdjustmentThunks[a_uiThisOffset] = func;
}
void JitInstanceMemberFunction::compileVTableIndirectionFunction()
{
m_jit_virtual_indirection_function = jit_function_create((jit_context_t)m_jit_context.context, toJitSignature(m_eAbi, getSignature()));
o_assert(m_jit_virtual_indirection_function.function);
jit_context_build_start((jit_context_t)m_jit_context.context);
size_t argCount = getSignature()->getParameterCount()+1; // parameters+this
jit_value_t* args = o_allocate_n(argCount, jit_value_t);
// The indirection has the same signature as the indirected one
jit_value_t this_pointer = jit_value_get_param((jit_function_t)m_jit_virtual_indirection_function.function, 0);
jit_value_t vtable_index = jit_value_create_nint_constant((jit_function_t)m_jit_virtual_indirection_function.function, jit_type_nuint, getInstanceMemberFunction()->getVirtualTableIndex());
jit_value_t vtable_array = jit_insn_load_relative ((jit_function_t)m_jit_virtual_indirection_function.function, this_pointer, 0, jit_type_void_ptr);
jit_value_t vtable_pointer = jit_insn_load_elem((jit_function_t)m_jit_virtual_indirection_function.function, vtable_array, vtable_index, jit_type_void_ptr);
size_t i = 0;
for(;i<argCount;++i)
{
args[i] = jit_value_get_param((jit_function_t)m_jit_virtual_indirection_function.function, i);
}
jit_insn_call_indirect_vtable ((jit_function_t)m_jit_virtual_indirection_function.function, vtable_pointer, jit_function_get_signature((jit_function_t)m_jit_function.function), args, argCount, 0);
int result = jit_function_compile((jit_function_t)m_jit_virtual_indirection_function.function);
o_assert(result != 0);
jit_context_build_end((jit_context_t)m_jit_context.context);
o_deallocate_n(args, argCount, jit_value_t);
}
jit_value jit_function::new_constant(jit_uint value, jit_type_t type)
{
if(!type)
{
type = jit_type_uint;
}
value_wrap(jit_value_create_nint_constant(func, type, (jit_nint)value));
}
jit_value jit_function::new_constant(void *value, jit_type_t type)
{
if(!type)
{
type = jit_type_void_ptr;
}
value_wrap(jit_value_create_nint_constant(func, type, (jit_nint)value));
}
/*@
* @deftypefun jit_value_t jit_value_create_constant (jit_function_t @var{func}, const jit_constant_t *@var{const_value})
* Create a new constant from a generic constant structure in the specified
* function. Returns NULL if out of memory or if the type in
* @var{const_value} is not suitable for a constant.
* @end deftypefun
@*/
jit_value_t
jit_value_create_constant(jit_function_t func, const jit_constant_t *const_value)
{
jit_type_t stripped = jit_type_remove_tags(const_value->type);
if(!stripped)
{
return 0;
}
switch(stripped->kind)
{
case JIT_TYPE_SBYTE:
case JIT_TYPE_UBYTE:
case JIT_TYPE_SHORT:
case JIT_TYPE_USHORT:
case JIT_TYPE_INT:
case JIT_TYPE_UINT:
return jit_value_create_nint_constant(func, const_value->type,
const_value->un.int_value);
case JIT_TYPE_NINT:
case JIT_TYPE_NUINT:
case JIT_TYPE_PTR:
case JIT_TYPE_SIGNATURE:
return jit_value_create_nint_constant(func, const_value->type,
const_value->un.nint_value);
case JIT_TYPE_LONG:
case JIT_TYPE_ULONG:
return jit_value_create_long_constant(func, const_value->type,
const_value->un.long_value);
case JIT_TYPE_FLOAT32:
return jit_value_create_float32_constant(func, const_value->type,
const_value->un.float32_value);
case JIT_TYPE_FLOAT64:
return jit_value_create_float64_constant(func, const_value->type,
const_value->un.float64_value);
case JIT_TYPE_NFLOAT:
return jit_value_create_nfloat_constant(func, const_value->type,
const_value->un.nfloat_value);
}
return 0;
}
void *LibJITFormula::emit (VariableExprAST *expr)
{
// Create a pointer temporary with the address stored in it
jit_value_t pointer = jit_value_create_nint_constant (function, jit_type_void_ptr,
(jit_nint)expr->pointer);
// Create a load instruction for this address
return jit_insn_load_relative (function, pointer, 0, jit_type_float64);
}
/*
* Initialize the local value to 0.
*/
static int _ILJitLocalInit(ILJITCoder *coder, ILJitLocalSlot *slot)
{
if((slot->flags & _IL_JIT_VALUE_INITIALIZED) == 0)
{
ILJitType type = jit_value_get_type(slot->value);
if(!jit_type_is_struct(type))
{
int typeKind = jit_type_get_kind(type);
ILJitValue constant = 0;
if(_JIT_TYPEKIND_IS_FLOAT(typeKind))
{
if(!(constant = jit_value_create_nfloat_constant(coder->jitFunction,
type,
(jit_nfloat)0)))
{
return 0;
}
jit_insn_store(coder->jitFunction, slot->value, constant);
}
else
{
if(_JIT_TYPEKIND_IS_LONG(typeKind))
{
if(!(constant = jit_value_create_long_constant(coder->jitFunction,
type, (jit_long)0)))
{
return 0;
}
jit_insn_store(coder->jitFunction, slot->value, constant);
}
else
{
if(!(constant = jit_value_create_nint_constant(coder->jitFunction,
type, (jit_nint)0)))
{
return 0;
}
jit_insn_store(coder->jitFunction, slot->value, constant);
}
}
}
slot->flags |= _IL_JIT_VALUE_INITIALIZED;
}
return 1;
}
/*
* Output an entry for a table-based switch statement.
*/
static void JITCoder_SwitchEntry(ILCoder *_coder, ILUInt32 dest)
{
ILJITCoder *jitCoder = _ILCoderToILJITCoder(_coder);
ILJITLabel *label = _ILJitLabelGet(jitCoder, dest, _IL_JIT_LABEL_NORMAL);
ILJitValue constant = jit_value_create_nint_constant(jitCoder->jitFunction,
jit_type_nint,
jitCoder->numSwitch);
ILJitValue temp = jit_insn_eq(jitCoder->jitFunction,
jitCoder->switchValue,
constant);
jit_insn_branch_if(jitCoder->jitFunction, temp, &(label->label));
++jitCoder->numSwitch;
}
/*
* Create the slots for the declared local variables.
* Returns zero if out of memory.
*/
static int _ILJitLocalsCreate(ILJITCoder *coder, ILStandAloneSig *localVarSig)
{
if(!_ILJitLocalSlotsCreateLocals(coder, &(coder->jitLocals), localVarSig))
{
return 0;
}
#ifdef IL_CONFIG_DEBUGGER
if(coder->markBreakpoints)
{
ILUInt32 current;
jit_value_t data1;
jit_value_t data2;
/* Set the offsets for each of the local variables */
for(current = 0; current < coder->jitLocals.numSlots; ++current)
{
ILJitLocalSlot *local = &_ILJitLocalSlotFromSlots(coder->jitLocals, current);
/* Notify debugger about address of local variable */
/* Make the variable accessible for debugger */
jit_value_set_volatile(local->value);
jit_value_set_addressable(local->value);
/* Report address of the variable to debugger */
data1 = jit_value_create_nint_constant(coder->jitFunction,
jit_type_nint,
JIT_DEBUGGER_DATA1_LOCAL_VAR_ADDR);
data2 = jit_insn_address_of(coder->jitFunction, local->value);
jit_insn_mark_breakpoint_variable(coder->jitFunction, data1, data2);
}
}
#endif
#ifndef _IL_JIT_OPTIMIZE_INIT_LOCALS
/* Initialize the locals. */
if(!_ILJitLocalsInit(coder))
{
return 0;
}
#endif
return 1;
}
jit_value_t GPerlJITCompiler::compileMOV(GPerlVirtualMachineCode *pc, jit_function_t *func)
{
jit_value_t ret = NULL;
switch (TYPE_CHECK(pc->v)) {
case 0:
break;
case 1:
ret = jit_value_create_nint_constant(*func, jit_type_int, pc->v.ivalue);
break;
case 2:
break;
case 3:
break;
default:
break;
}
return ret;
}
jit_value_t _make_ptr(jit_function_t func, void *val) {
return jit_value_create_nint_constant(func, jit_type_void_ptr, (jit_nint) val);
}
int __cdecl main(int argc, char **argv)
{
jit_context_t context;
jit_type_t params[5];
jit_type_t signature;
jit_function_t function;
void* _this;
bool a = true;
bool b = true;
bool c = true;
bool d = true;
void *args[5];
//jit_int result;`
MyClass* pMyClass = new MyClass;
void*** pMyClassCasted = (void***)pMyClass;
void ** vtable_ptr = *pMyClassCasted;
std::cout<<vtable_ptr[0]<<std::endl;
typedef void (*void_method)();
void** new_vtable = (void**)malloc(sizeof(void*)*2);
*pMyClassCasted = new_vtable;
memcpy(new_vtable, vtable_ptr, NativeVTableIndexInspector::getVirtualMethodCount<MySubClass>()*sizeof(void*));
auto method_ptr = &MyClass::doSmth;
auto method_ptr2 = &MyClass::doSmthElse;
//std::cout<< "index of MyClass::doSmth"<< NativeVTableIndexInspector::getIndexOf(&MyClass::doSmth) <<std::endl;
/* Create a context to hold the JIT's primary state */
context = jit_context_create();
// DEBUGGER
debugger = jit_debugger_create(context);
jit_debugger_set_hook(context, debugger_hook);
/*
// Create threads
pthread_t thread0;
pthread_t thread1;
pthread_create(&thread0, NULL, thread0_func, NULL);
pthread_create(&thread1, NULL, thread1_func, NULL);*/
/* Lock the context while we construct the function */
jit_context_build_start(context);
/* Build the function signature */
params[0] = jit_type_void_ptr; // this
params[1] = jit_type_sys_bool; // a
params[2] = jit_type_sys_bool; // b
params[3] = jit_type_sys_bool; // c
params[4] = jit_type_sys_bool; // d
signature = jit_type_create_signature(jit_abi_thiscall, jit_type_void_ptr, params, 1, 1);
/* Create the function object */
function = jit_function_create(context, signature);
//Expression* expression = new Or(new And(new ArgumentAccess(0), new ArgumentAccess(1))
// , new And(new ArgumentAccess(2), new NativeMethodCall(native_method)));
void* hacked_ptr = *reinterpret_cast<void**>(&method_ptr);
signature = jit_type_create_signature(jit_abi_thiscall, jit_type_void, params, 1, 1);
jit_value_t args_this = jit_value_create_nint_constant(function, jit_type_void_ptr, 0);
jit_insn_call_native(function, "doSmth", hacked_ptr, signature, &args_this, 1, 0);
jit_insn_mark_breakpoint (function, JIT_DEBUGGER_DATA1_LINE, 0);
jit_insn_return(function, jit_value_get_param(function, 0));
jit_insn_mark_breakpoint (function, JIT_DEBUGGER_DATA1_LINE, 1);
/* Unlock the context. It will be automatically locked for
us when the on-demand compiler is called */
jit_context_build_end(context);
/* Execute the function and print the result. This will arrange
to call the on-demand compiler to build the function's body */
jit_function_compile(function);
_this = (void*)10;
void* result;
args[0] = &pMyClass;
args[1] = &a;
args[2] = &b;
args[3] = &c;
args[4] = &d;
/*__asm
{
mov ecx, pMyClass
};*/
jit_function_apply(function, args, &result);
printf("(a && b) || (c && call) = %d\n", result);
new_vtable[1] = jit_function_to_vtable_pointer(function);
result = pMyClass->doSmthElse();
printf("(a && b) || (c && call) = %d\n", result);
/* Execute the function again, to demonstrate that the
on-demand compiler is not invoked a second time */
/*arg1 = 13;
arg2 = 5;
arg3 = 7;
args[0] = &arg1;
args[1] = &arg2;
args[2] = &arg3;
jit_function_apply(function, args, &result);
printf("mul_add(13, 5, 7) = %d\n", (int)result);*/
/* Execute the function a third time, after it is recompiled */
/*arg1 = 2;
arg2 = 18;
arg3 = -3;
args[0] = &arg1;
args[1] = &arg2;
args[2] = &arg3;
jit_function_apply(function, args, &result);
printf("mul_add(2, 18, -3) = %d\n", (int)result);*/
/* Clean up */
jit_context_destroy(context);
system("pause");
/* Finished */
return 0;
}
jit_function_t bf_compile(jit_context_t cx, FILE *fp) {
jit_type_t params[1], putchar_params[1], signature, putchar_sig, getchar_sig;
jit_value_t ptr, uptr, ubyte, tmp;
bf_loop_t loop = NULL;
ubyte_ptr = jit_type_create_pointer(jit_type_ubyte, 1);
params[0] = ubyte_ptr;
putchar_params[0] = jit_type_ubyte;
signature = jit_type_create_signature(jit_abi_cdecl, jit_type_void, params, 1, 1);
putchar_sig = jit_type_create_signature(jit_abi_cdecl, jit_type_ubyte, putchar_params, 1, 1);
getchar_sig = jit_type_create_signature(jit_abi_cdecl, jit_type_ubyte, NULL, 0, 1);
jit_function_t function = jit_function_create(cx, signature);
ptr = jit_value_get_param(function, 0);
uptr = jit_value_create_nint_constant(function, ubyte_ptr, 1);
ubyte = jit_value_create_nint_constant(function, jit_type_ubyte, 1);
ops *unit = (ops*)malloc(sizeof(ops));
unit->count = 0;
int first = 1;
while(!feof(fp)) {
char c = fgetc(fp);
if (first) {
unit->token = c;
first = 0;
}
switch(c) {
case '>':
OPTIMIZE_TOKEN('>')
case '<':
OPTIMIZE_TOKEN('<')
case '+':
OPTIMIZE_TOKEN('+')
case '-':
OPTIMIZE_TOKEN('-')
case '.':
emitOpcodes(function, ptr, unit);
unit->token = '.';
tmp = jit_insn_load_relative(function, ptr, 0, jit_type_ubyte);
jit_insn_call_native(function, "putchar", putchar, putchar_sig, &tmp, 1, JIT_CALL_NOTHROW);
break;
case ',':
emitOpcodes(function, ptr, unit);
unit->token = ',';
jit_insn_call_native(function, "getchar", getchar, getchar_sig, NULL, 0, JIT_CALL_NOTHROW);
jit_insn_store_relative(function, ptr, 0, tmp);
break;
case '[':
emitOpcodes(function, ptr, unit);
unit->token = '[';
loop_start(function, &loop);
tmp = jit_insn_load_relative(function, ptr, 0, jit_type_ubyte);
jit_insn_branch_if_not(function, tmp, &loop->stop);
break;
case ']':
emitOpcodes(function, ptr, unit);
unit->token = ']';
loop_stop(function, &loop);
break;
}
}
jit_insn_return(function, NULL);
jit_function_compile(function);
return function;
}
/*@
* @deftypefun int _jit_create_call_setup_insns (jit_function_t @var{func}, jit_type_t @var{signature}, jit_value_t *@var{args}, unsigned int @var{num_args}, int @var{is_nested}, int @var{nested_level}, jit_value_t *@var{struct_return}, int @var{flags})
* Create instructions within @var{func} necessary to set up for a
* function call to a function with the specified @var{signature}.
* Use @code{jit_insn_push} to push values onto the system stack,
* or @code{jit_insn_outgoing_reg} to copy values into call registers.
*
* If @var{is_nested} is non-zero, then it indicates that we are calling a
* nested function within the current function's nested relationship tree.
* The @var{nested_level} value will be -1 to call a child, zero to call a
* sibling of @var{func}, 1 to call a sibling of the parent, 2 to call
* a sibling of the grandparent, etc. The @code{jit_insn_setup_for_nested}
* instruction should be used to create the nested function setup code.
*
* If the function returns a structure by pointer, then @var{struct_return}
* must be set to a new local variable that will contain the returned
* structure. Otherwise it should be set to NULL.
* @end deftypefun
@*/
int _jit_create_call_setup_insns
(jit_function_t func, jit_type_t signature,
jit_value_t *args, unsigned int num_args,
int is_nested, int nested_level, jit_value_t *struct_return, int flags)
{
jit_type_t type;
jit_type_t vtype;
jit_value_t value;
unsigned int arg_num;
jit_nint offset;
jit_nuint size;
/* Regular or tail call? */
if((flags & JIT_CALL_TAIL) == 0)
{
/* Push all of the arguments in reverse order */
while(num_args > 0)
{
--num_args;
type = jit_type_get_param(signature, num_args);
type = jit_type_remove_tags(type);
if(type->kind == JIT_TYPE_STRUCT || type->kind == JIT_TYPE_UNION)
{
/* If the value is a pointer, then we are pushing a structure
argument by pointer rather than by local variable */
vtype = jit_type_normalize(jit_value_get_type(args[num_args]));
if(vtype->kind <= JIT_TYPE_MAX_PRIMITIVE)
{
if(!jit_insn_push_ptr(func, args[num_args], type))
{
return 0;
}
continue;
}
}
if(!jit_insn_push(func, args[num_args]))
{
return 0;
}
}
/* Do we need to add a structure return pointer argument? */
type = jit_type_get_return(signature);
if(jit_type_return_via_pointer(type))
{
value = jit_value_create(func, type);
if(!value)
{
return 0;
}
*struct_return = value;
value = jit_insn_address_of(func, value);
if(!value)
{
return 0;
}
if(!jit_insn_push(func, value))
{
return 0;
}
}
else if((flags & JIT_CALL_NATIVE) != 0)
{
/* Native calls always return a return area pointer */
if(!jit_insn_push_return_area_ptr(func))
{
return 0;
}
*struct_return = 0;
}
else
{
*struct_return = 0;
}
/* Do we need to add nested function scope information? */
if(is_nested)
{
if(!jit_insn_setup_for_nested(func, nested_level, -1))
{
return 0;
}
}
}
else
{
/* Copy the arguments into our own parameter slots */
offset = -1;
if(func->nested_parent)
{
offset -= 2;
}
type = jit_type_get_return(signature);
if(jit_type_return_via_pointer(type))
{
--offset;
}
for(arg_num = 0; arg_num < num_args; ++arg_num)
{
type = jit_type_get_param(signature, arg_num);
value = jit_value_create(func, type);
if(!value)
{
return 0;
}
if(!jit_insn_outgoing_frame_posn(func, value, offset))
{
return 0;
}
type = jit_type_remove_tags(type);
size = jit_type_get_size(type);
offset -= (jit_nint)(JIT_NUM_ITEMS_IN_STRUCT(size));
if(type->kind == JIT_TYPE_STRUCT || type->kind == JIT_TYPE_UNION)
{
/* If the value is a pointer, then we are pushing a structure
argument by pointer rather than by local variable */
vtype = jit_type_normalize(jit_value_get_type(args[arg_num]));
if(vtype->kind <= JIT_TYPE_MAX_PRIMITIVE)
{
value = jit_insn_address_of(func, value);
if(!value)
{
return 0;
}
if(!jit_insn_memcpy
(func, value, args[arg_num],
jit_value_create_nint_constant
(func, jit_type_nint, (jit_nint)size)))
{
return 0;
}
continue;
}
}
if(!jit_insn_store(func, value, args[arg_num]))
{
return 0;
}
}
*struct_return = 0;
}
/* The call is ready to proceed */
return 1;
}
void *LibJITFormula::emit (BinaryExprAST *expr)
{
// Deal with assign separately, we don't want to compile the LHS
if (expr->op == "=")
{
VariableExprAST *var = dynamic_cast<VariableExprAST *>(expr->LHS);
if (!var) return NULL;
jit_value_t val = (jit_value_t)expr->RHS->generate (this);
if (!val) return NULL;
// Get a pointer for this variable
jit_value_t pointer = jit_value_create_nint_constant (function, jit_type_void_ptr,
(jit_nint)var->pointer);
// Emit a store instruction
jit_insn_store_relative (function, pointer, 0, val);
// Return value
return val;
}
// Generate both sides
jit_value_t L = (jit_value_t)expr->LHS->generate (this);
jit_value_t R = (jit_value_t)expr->RHS->generate (this);
if (L == NULL || R == NULL) return NULL;
if (expr->op == "<=")
return jit_insn_le (function, L, R);
else if (expr->op == ">=")
return jit_insn_ge (function, L, R);
else if (expr->op == "!=")
return jit_insn_ne (function, L, R);
else if (expr->op == "==")
return jit_insn_eq (function, L, R);
else if (expr->op == "<")
return jit_insn_lt (function, L, R);
else if (expr->op == ">")
return jit_insn_gt (function, L, R);
else if (expr->op == "+")
return jit_insn_add (function, L, R);
else if (expr->op == "-")
return jit_insn_sub (function, L, R);
else if (expr->op == "*")
return jit_insn_mul (function, L, R);
else if (expr->op == "/")
return jit_insn_div (function, L, R);
else if (expr->op == "^")
{
// jit_insn_pow seems to give the wrong results?
jit_type_t params[2];
params[0] = jit_type_float64;
params[1] = jit_type_float64;
jit_type_t signature;
signature = jit_type_create_signature (jit_abi_cdecl, jit_type_float64,
params, 2, 1);
jit_value_t args[2];
args[0] = L;
args[1] = R;
return jit_insn_call_native (function, "pow",
(void *)((double (*)(double, double))pow),
signature, args, 2, 0);
}
else
return NULL;
}
jit_value_t _make_ubyte(jit_function_t func, uint32_t val) {
return jit_value_create_nint_constant(func, jit_type_ubyte, val);
}
/*
* Inline function to create a new string with the given length
*/
static int _ILJitSystemStringNew(ILJITCoder *jitCoder,
ILMethod *method,
ILCoderMethodInfo *methodInfo,
ILJitStackItem *args,
ILInt32 numArgs)
{
ILJitFunction jitFunction = ILJitFunctionFromILMethod(method);
ILClass *stringClass = ILMethod_Owner(method);
ILJitValue newString;
ILJitValue callArgs[2];
if(!jitFunction)
{
/* We need to layout the class first. */
if(!_LayoutClass(ILExecThreadCurrent(), stringClass))
{
return 0;
}
if(!(jitFunction = ILJitFunctionFromILMethod(method)))
{
return 0;
}
}
#if !defined(IL_CONFIG_REDUCE_CODE) && !defined(IL_WITHOUT_TOOLS) && defined(_IL_JIT_ENABLE_DEBUG)
if(jitCoder->flags & IL_CODER_FLAG_STATS)
{
ILMutexLock(globalTraceMutex);
fprintf(stdout, "Inline System.String::NewString\n");
ILMutexUnlock(globalTraceMutex);
}
#endif
/* We call the alloc functions. */
/* They thow an out of memory exception so we don't need to care. */
callArgs[0] = jit_value_create_nint_constant(jitCoder->jitFunction,
_IL_JIT_TYPE_VPTR,
(jit_nint)stringClass);
if(!callArgs[0])
{
return 0;
}
callArgs[1] = _ILJitValueConvertImplicit(jitCoder->jitFunction,
_ILJitStackItemValue(args[0]),
_IL_JIT_TYPE_UINT32);
if(!callArgs[1])
{
return 0;
}
newString = jit_insn_call_native(jitCoder->jitFunction,
"_ILJitStringAlloc",
_ILJitStringAlloc,
_ILJitSignature_ILJitStringAlloc,
callArgs, 2, 0);
if(!newString)
{
return 0;
}
_ILJitStackPushValue(jitCoder, newString);
return 1;
}
void emitDecrementPtr(jit_function_t function, jit_value_t ptr, ops *unit) {
jit_value_t numbyte = jit_value_create_nint_constant(function, ubyte_ptr, unit->count);
jit_value_t tmp = jit_insn_sub(function, ptr, numbyte);
jit_insn_store(function, ptr, tmp);
}
// LIBJIT
void vm_cpu_4(uint32_t newPC,int opt, int size)
{
int i;
PC = newPC;
nPC = 4;
RF[0] = 0; //Register $zero must always be zero
RF[31] = 1; //Return default (if the program does not set to zero, should put error)
uint32_t HI = 0, LO = 0;
uint32_t offset = 4;
uint8_t halted = 0;
uint32_t instr;
uint8_t op;
uint8_t rs;
uint8_t rt;
uint8_t rd;
int16_t immediate;
uint32_t address;
uint8_t shamt;
uint8_t funct;
uint64_t mult;
/*lib jit variables */
jit_context_t context;
jit_type_t signature;
jit_function_t function;
jit_type_t params[VM_MEMORY_SZ+2];
jit_int result;
jit_value_t constant_sum;
jit_value_t constant_while;
jit_value_t v_it;
jit_value_t constant_update;
jit_value_t compare;
jit_value_t reg[32]; /* Reg */
jit_value_t mem[VM_MEMORY_SZ]; /* Memory */
jit_label_t labels[10]; /* Labs for jumping :D */
jit_value_t sum, t_sum;
void *args[VM_MEMORY_SZ+2]; /* Args */
jit_int arg_uint[VM_MEMORY_SZ+2];
/* Create a context to hold the JIT's primary state */
context = jit_context_create();
/* Lock the context while we build and compile the function */
jit_context_build_start(context);
for(i=0; i<(VM_MEMORY_SZ+2); i++) {
params[i] = jit_type_int;
}
signature = jit_type_create_signature(jit_abi_cdecl, jit_type_int, params, VM_MEMORY_SZ+2, 1);
/* Create the function object */
function = jit_function_create(context, signature);
jit_type_free(signature);
// Read memory and start registers
for(i=0; i<VM_MEMORY_SZ; i++) {
//printf("%d\n",i);
mem[i] = jit_value_get_param(function, i);
}
reg[0] = jit_value_get_param(function, VM_MEMORY_SZ);
reg[31] = jit_value_get_param(function, VM_MEMORY_SZ+1);
/*int verify = 0 - 1;
for (i=1; i<VM_MEMORY_SZ; i++) {
if((i%2)==0) {
verify = verify + (i);
}
else {
verify = verify - i;
}
}
printf("verify %d\n", verify); */
int l_index;
// Only doing the micro benchmark, for analysis
// Addiu
#define loopSize 10000
#define smallerLoopSize 1000
#define opPerLoop 100
// v_it = 0 ; constant_while = loopSize ; constant_update = 1
v_it = jit_value_create(function, jit_type_uint);
constant_update = jit_value_create_nint_constant(function, jit_type_int, (int)0);
jit_insn_store(function, v_it, constant_update);
reg[2] = jit_value_create(function, jit_type_uint);
constant_while = jit_value_create_nint_constant(function, jit_type_int, 0);
jit_insn_store(function, reg[2], constant_while);
reg[3] = jit_value_create(function, jit_type_uint);
constant_while = jit_value_create_nint_constant(function, jit_type_int, 1);
jit_insn_store(function, reg[3], constant_while);
// do while (v_it < constant_while) {
jit_insn_label(function, &labels[0]);
if (opt == 0) {
constant_update = jit_insn_add(function, reg[2], reg[3]);
}
else if(opt == 1) {
constant_update = jit_insn_xor(function, reg[2], reg[3]);
}
else if(opt == 2) {
constant_update = jit_insn_load(function, mem[0]);
}
for (l_index = 1; l_index < opPerLoop; l_index++) {
if (opt == 0) {
constant_update = jit_insn_add(function, constant_update, reg[3]);
}
else if(opt == 1) {
constant_update = jit_insn_xor(function, constant_update, reg[3]);
}
else if(opt == 2) {
constant_update = jit_insn_load(function, mem[l_index % 5]);
}
}
jit_insn_store(function, reg[2], constant_update);
// do while
constant_update = jit_value_create_nint_constant(function, jit_type_uint, 1);
constant_sum = jit_insn_add(function, v_it, constant_update);
jit_insn_store(function, v_it, constant_sum);
if(size > 0) {
constant_while = jit_value_create_nint_constant(function, jit_type_uint, loopSize);
}
else {
constant_while = jit_value_create_nint_constant(function, jit_type_uint, smallerLoopSize);
}
compare = jit_insn_gt(function, constant_while, v_it);
jit_insn_branch_if(function, compare, &labels[0]);
// Return
//jit_insn_return(function, reg[2]);
jit_insn_return(function, reg[2]);
// START OF FINAL PART
/* Compile the function */
jit_function_compile(function);
/* Unlock the context */
jit_context_build_end(context);
// Put memory and first registers
for (i=0; i<VM_MEMORY_SZ; i++) {
arg_uint[i] = (int) VM_memory[i];
//arg_uint[i] = (int)i;
args[i] = &(arg_uint[i]);
}
arg_uint[VM_MEMORY_SZ] = 0;
args[VM_MEMORY_SZ] = &(arg_uint[VM_MEMORY_SZ]);
arg_uint[VM_MEMORY_SZ+1] = 1;
args[VM_MEMORY_SZ+1] = &(arg_uint[VM_MEMORY_SZ+1]);
jit_function_apply(function, args, &result);
//printf("%d\n", result);
return;
/* end lib jit variables */
}
jit_function_t GPerlJITCompiler::compile(JITParam *param)
{
GPerlVirtualMachineCode *pc = param->mtd;
jit_context_t ctx = jit_context_create();
jit_context_build_start(ctx);
int argc = param->argc;
jit_type_t _params[argc];
for (int i = 0; i < argc; i++) {
_params[i] = getJitType(param->arg_types[i]);
}
jit_type_t rtype = getJitType(param->return_type);
jit_value_t curstack[32] = {0};
jit_value_t argstack[MAX_ARGSTACK_SIZE] = {0};
jit_type_t signature = jit_type_create_signature(jit_abi_fastcall, rtype, _params, argc, 0);
jit_function_t func = jit_function_create(ctx, signature);
jit_value_t _v[MAX_REG_SIZE] = {0};
GPerlJmpStack *jmp_stack = new GPerlJmpStack();
argc = 0;
for (; pc->op != UNDEF; pc++) {
if (jmp_stack->isJmp()) {
GPerlJmpInfo *inf = jmp_stack->pop();
jit_insn_label(func, &inf->label);
}
switch (pc->op) {
case LET:
DBG_PL("COMPILE LET");
curstack[pc->dst] = _v[pc->src];
break;
case MOV:
DBG_PL("COMPILE MOV");
_v[pc->dst] = compileMOV(pc, &func);
break;
case ARRAY_ARGAT: {
DBG_PL("COMPILE ARGAT");
jit_value_t arg = jit_value_get_param(func, pc->src);
jit_nint offset = 48;
jit_value_t list = jit_insn_load_relative(func, arg, offset, object_ptr_type);
jit_value_t idx = jit_value_create_nint_constant(func, jit_type_int, pc->idx);
jit_value_t elem = jit_insn_load_elem(func, list, idx, value_type);
_v[pc->dst] = elem;
break;
}
case vMOV:
DBG_PL("COMPILE vMOV");
_v[pc->dst] = curstack[pc->src];
break;
case gMOV:
break;
case ARGMOV:
DBG_PL("COMPILE ARGMOV");
_v[pc->dst] = jit_value_get_param(func, pc->src);
break;
case ADD:
DBG_PL("COMPILE ADD");
_v[pc->dst] = jit_insn_add(func, _v[pc->dst], _v[pc->src]);
break;
case SUB:
DBG_PL("COMPILE SUB");
_v[pc->dst] = jit_insn_sub(func, _v[pc->dst], _v[pc->src]);
break;
case iADDC: {
DBG_PL("COMPILE iADDC");
jit_value_t c = jit_value_create_nint_constant(func, jit_type_int, pc->v.ivalue);
_v[pc->dst] = jit_insn_add(func, _v[pc->dst], c);
break;
}
case iSUBC: {
DBG_PL("COMPILE iSUBC");
jit_value_t c = jit_value_create_nint_constant(func, jit_type_int, pc->v.ivalue);
_v[pc->dst] = jit_insn_sub(func, _v[pc->dst], c);
break;
}
case IS: {
DBG_PL("COMPILE IS");
jit_value_t c = jit_value_create_nint_constant(func, jit_type_int, 1);
jit_value_t tmp = jit_insn_eq(func, _v[pc->dst], c);
GPerlJmpInfo *inf = new GPerlJmpInfo(pc->jmp);
jmp_stack->push(inf);
jit_insn_branch_if_not(func, tmp, &inf->label);
break;
}
case iJLC: {
DBG_PL("COMPILE iJLC");
jit_value_t c = jit_value_create_nint_constant(func, jit_type_int, pc->v.ivalue);
jit_value_t tmp = jit_insn_lt(func, _v[pc->dst], c);
GPerlJmpInfo *inf = new GPerlJmpInfo(pc->jmp);
jmp_stack->push(inf);
jit_insn_branch_if_not(func, tmp, &inf->label);
break;
}
case iJLEC: {
DBG_PL("COMPILE iJLEC");
jit_value_t c = jit_value_create_nint_constant(func, jit_type_int, pc->v.ivalue);
jit_value_t tmp = jit_insn_le(func, _v[pc->dst], c);
GPerlJmpInfo *inf = new GPerlJmpInfo(pc->jmp);
jmp_stack->push(inf);
jit_insn_branch_if_not(func, tmp, &inf->label);
break;
}
case JE: {
DBG_PL("COMPILE JE");
jit_value_t tmp = jit_insn_eq(func, _v[pc->dst], _v[pc->src]);
GPerlJmpInfo *inf = new GPerlJmpInfo(pc->jmp);
jmp_stack->push(inf);
jit_insn_branch_if_not(func, tmp, &inf->label);
break;
}
case JLE: {
DBG_PL("COMPILE JLE");
jit_value_t tmp = jit_insn_le(func, _v[pc->dst], _v[pc->src]);
GPerlJmpInfo *inf = new GPerlJmpInfo(pc->jmp);
jmp_stack->push(inf);
jit_insn_branch_if_not(func, tmp, &inf->label);
break;
}
case PUSH:
DBG_PL("COMPILE PUSH");
argstack[pc->src] = _v[pc->dst];
argc++;
break;
case SELFCALL: {
DBG_PL("COMPILE SELFCALL");
_v[pc->dst] = jit_insn_call(func, "", func, NULL, argstack, argc, 0);//JIT_CALL_TAIL);
argc = 0;
break;
}
case SELF_FASTCALL0: {
DBG_PL("COMPILE SELF_FASTCALL0");
argstack[0] = _v[pc->arg0];
_v[pc->dst] = jit_insn_call(func, "", func, NULL, argstack, 1, 0);//JIT_CALL_TAIL);
break;
}
case SELF_FASTCALL1: {
DBG_PL("COMPILE SELF_FASTCALL1");
argstack[0] = _v[pc->arg0];
argstack[1] = _v[pc->arg1];
_v[pc->dst] = jit_insn_call(func, "", func, NULL, argstack, 2, 0);//JIT_CALL_TAIL);
break;
}
case SELF_FASTCALL2: {
DBG_PL("COMPILE SELF_FASTCALL2");
argstack[0] = _v[pc->arg0];
argstack[1] = _v[pc->arg1];
argstack[2] = _v[pc->arg2];
_v[pc->dst] = jit_insn_call(func, "", func, NULL, argstack, 3, 0);//JIT_CALL_TAIL);
break;
}
case SELF_FASTCALL3: {
DBG_PL("COMPILE SELF_FASTCALL3");
argstack[0] = _v[pc->arg0];
argstack[1] = _v[pc->arg1];
argstack[2] = _v[pc->arg2];
argstack[3] = _v[pc->arg3];
_v[pc->dst] = jit_insn_call(func, "", func, NULL, argstack, 4, 0);//JIT_CALL_TAIL);
break;
}
case REF: {
//int ret = 0;
//if (TYPE_CHECK(v) > 1) {
//GPerlObject *o = (GPerlObject *)getObject(v);
//if (o->h.type == ArrayRef) {
//ret = 1;
//}
//}
//INT_init(reg[0], ret);
break;
}
case RET: case JIT_COUNTDOWN_RET:
DBG_PL("COMPILE RET");
_v[0] = _v[pc->src];
jit_insn_return(func, _v[0]);
break;
default:
DBG_PL("COMPILE DEFALUT");
break;
}
}
jit_function_compile(func);
jit_context_build_end(ctx);
return func;
}