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; }
/*@ * @deftypemethod jit_function void create (jit_type_t @var{signature}) * Create this function if it doesn't already exist. * @end deftypemethod @*/ void jit_function::create(jit_type_t signature) { // Bail out if the function is already created. if(func) { return; } // Lock down the context. jit_context_build_start(context); // Create the new function. func = jit_function_create(context, signature); if(!func) { jit_context_build_end(context); return; } // Store this object's pointer on the raw function so that we can // map the raw function back to this object later. jit_function_set_meta(func, JITPP_MAPPING, (void *)this, 0, 0); // Register us as the on-demand compiler. register_on_demand(); // Unlock the context. jit_context_build_end(context); }
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); }
int main() { jit_context_t ctx; // Create a context to hold the JIT's primary stats ctx = jit_context_create(); // Lock the context while we build and compile the function jit_context_build_start(ctx); // Build the function signature jit_function_t function; jit_type_t params[3]; jit_type_t signature; params[0] = jit_type_int; params[1] = jit_type_int; params[2] = jit_type_int; signature = jit_type_create_signature(jit_abi_cdecl, jit_type_int, params, 3, 1); // Create the function object function = jit_function_create(ctx, signature); jit_type_free(signature); // Construct the function body jit_value_t x, y, z; x = jit_value_get_param(function, 0); y = jit_value_get_param(function, 1); z = jit_value_get_param(function, 2); jit_value_t temp1, temp2; temp1 = jit_insn_mul(function, x, y); temp2 = jit_insn_add(function, temp1, z); jit_insn_return(function, temp2); // Compile the function jit_function_compile(function); // Unlock the context jit_context_build_end(ctx); // Execute the function and print the result jit_int arg1, arg2, arg3; jit_int result; void *args[3]; arg1 = 3; arg2 = 5; arg3 = 2; args[0] = &arg1; args[1] = &arg2; args[2] = &arg3; jit_function_apply(function, args, &result); printf("mul_add(3,5,2) = %d\n", (int)result); // Clean up jit_context_destroy(ctx); return 0; }
jit_function_t create_function() { jit_function_t func = jit_function_create(context, block_sig); state = jit_value_get_param(func, 0); _ReadAbsorb = jit_value_get_param(func, 1); _ReadAbsorbWhich = jit_value_get_param(func, 2); _ReadFudge = jit_value_get_param(func, 3); LDWhich = jit_value_get_param(func, 4); LDValue = jit_value_get_param(func, 5); LDAbsorb = jit_value_get_param(func, 6); return func; }
/*@ * @deftypefun jit_function_t jit_function_create_nested (jit_context_t @var{context}, jit_type_t @var{signature}, jit_function_t @var{parent}) * Create a new function block and associate it with a JIT context. * In addition, this function is nested inside the specified * @var{parent} function and is able to access its parent's * (and grandparent's) local variables. * * The front end is responsible for ensuring that the nested function can * never be called by anyone except its parent and sibling functions. * The front end is also responsible for ensuring that the nested function * is compiled before its parent. * @end deftypefun @*/ jit_function_t jit_function_create_nested (jit_context_t context, jit_type_t signature, jit_function_t parent) { jit_function_t func; func = jit_function_create(context, signature); if(!func) { return 0; } func->nested_parent = parent; return func; }
jit_function_t parse_function() { jit_type_t params[3] = {jit_type_float64, jit_type_nuint, jit_type_nuint}, signature = jit_type_create_signature(jit_abi_cdecl, jit_type_float64, params, 3, 1); jit_function_t func = jit_function_create(jit_context, signature); const_rate = jit_value_create_float64_constant(func, jit_type_float64, (double)RATE), const_pi = jit_value_create_float64_constant(func, jit_type_float64, (double)M_PI), val_freq = jit_value_get_param(func, 0); val_sample = jit_value_get_param(func, 1); val_length = jit_value_get_param(func, 2); jit_insn_return(func, parse_recursive(func)); jit_function_compile(func); return func; }
bool LibJITFormula::buildFunction () { // Create a context jit_context_t context; context = jit_context_create (); jit_context_build_start (context); // Create a signature for double (*func)(); jit_type_t signature; signature = jit_type_create_signature (jit_abi_cdecl, jit_type_float64, NULL, 0, 1); // Create a function function = jit_function_create (context, signature); // Return the result of compiling the whole mess jit_value_t val; val = (jit_value_t)parseTree->generate (this); if (!val) return false; jit_insn_return (function, val); jit_context_build_end (context); if (!jit_function_compile (function)) { jit_function_abandon (function); return false; } func = (FunctionPointer)jit_function_to_closure (function); if (!func) { jit_function_abandon (function); return false; } return true; }
int main(int argc, char **argv) { jit_context_t context; jit_type_t params[2]; jit_type_t signature; jit_function_t function; jit_value_t x, y; jit_value_t temp1, temp2; jit_value_t temp3, temp4; jit_value_t temp_args[2]; jit_label_t label1 = jit_label_undefined; jit_label_t label2 = jit_label_undefined; jit_uint arg1, arg2; void *args[2]; jit_uint result; /* 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); /* Build the function signature */ params[0] = jit_type_uint; params[1] = jit_type_uint; signature = jit_type_create_signature (jit_abi_cdecl, jit_type_uint, params, 2, 1); /* Create the function object */ function = jit_function_create(context, signature); /* Check the condition "if(x == y)" */ x = jit_value_get_param(function, 0); y = jit_value_get_param(function, 1); temp1 = jit_insn_eq(function, x, y); jit_insn_branch_if_not(function, temp1, &label1); /* Implement "return x" */ jit_insn_return(function, x); /* Set "label1" at this position */ jit_insn_label(function, &label1); /* Check the condition "if(x < y)" */ temp2 = jit_insn_lt(function, x, y); jit_insn_branch_if_not(function, temp2, &label2); /* Implement "return gcd(x, y - x)" */ temp_args[0] = x; temp_args[1] = jit_insn_sub(function, y, x); temp3 = jit_insn_call (function, "gcd", function, 0, temp_args, 2, 0); jit_insn_return(function, temp3); /* Set "label2" at this position */ jit_insn_label(function, &label2); /* Implement "return gcd(x - y, y)" */ temp_args[0] = jit_insn_sub(function, x, y); temp_args[1] = y; temp4 = jit_insn_call (function, "gcd", function, 0, temp_args, 2, 0); jit_insn_return(function, temp4); /* Compile the function */ jit_function_compile(function); /* Unlock the context */ jit_context_build_end(context); /* Execute the function and print the result */ arg1 = 27; arg2 = 14; args[0] = &arg1; args[1] = &arg2; jit_function_apply(function, args, &result); printf("gcd(27, 14) = %u\n", (unsigned int)result); /* Clean up */ jit_context_destroy(context); /* Finished */ return 0; }
jit_function JitStaticMemberFunction::createJitFunction( jit_context context ) { return jit_function_create((jit_context_t)context.context, toJitSignature(e_JitAbi_stdcall, getSignature())); }
int pj_tree_jit(jit_context_t context, pj_term_t *term, jit_function_t *outfun, pj_basic_type *funtype) { unsigned int i; jit_function_t function; jit_type_t *params; jit_type_t signature; jit_context_build_start(context); /* Get the "function type" which is the type that will be used for the * return value as well as all arguments. Double trumps ints. */ *funtype = pj_tree_determine_funtype(term); /* Extract all variable occurrances from the AST */ pj_variable_t **vars; unsigned int nvars; pj_tree_extract_vars(term, &vars, &nvars); printf("Found %i variable occurrances in tree.\n", nvars); /* Naive assumption: the maximum ivar is the total number if distinct arguments (-1) */ unsigned int max_var = 0; for (i = 0; i < nvars; ++i) { if (max_var < (unsigned int)vars[i]->ivar) max_var = vars[i]->ivar; } printf("Found %i distinct variables in tree.\n", 1+max_var); nvars = max_var+1; free(vars); /* Setup libjit func signature */ params = (jit_type_t *)malloc(nvars*sizeof(jit_type_t)); for (i = 0; i < nvars; ++i) { params[i] = (*funtype == pj_int_type ? jit_type_sys_int : jit_type_sys_double); } signature = jit_type_create_signature( jit_abi_cdecl, (*funtype == pj_int_type ? jit_type_sys_int : jit_type_sys_double), params, nvars, 1 ); function = jit_function_create(context, signature); /* Setup libjit values for func params */ jit_value_t *var_values; var_values = (jit_value_t *)malloc(nvars*sizeof(jit_value_t)); for (i = 0; i < nvars; ++i) { var_values[i] = jit_value_get_param(function, i); } /* Recursively emit instructions for JIT and final return */ jit_value_t rv = pj_jit_internal(function, var_values, nvars, term); jit_insn_return(function, rv); /* Make it so! */ /* jit_function_set_optimization_level(function, jit_function_get_max_optimization_level()); */ jit_function_compile(function); jit_context_build_end(context); *outfun = function; return 0; }
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; }
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; }
// 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 */ }